CN105443619B - Control structure for locking and releasing vehicle wheel - Google Patents

Abstract

The present invention relates to a structure for controlling the rotation or stopping of a vehicle wheel, specifically a control structure for locking and releasing a vehicle wheel, comprising a wheel hub, a turntable, an adjustment knob and a driving unit. Center holes are provided on both sides of an internal accommodation space of the wheel hub to penetrate outward, and one side of the center hole is provided with one or more locking grooves on an outer side ring, and a driving unit is installed in the accommodation space, and the driving unit is used to drive the turntable. A key groove is provided on the outer side of the turntable to rotate and align with each locking groove, and a sliding key is movably installed in the key groove. A rotating knob is provided at the center of the turntable, and a wheel axle passes through the outer side of the wheel hub and is used to assemble the adjustment knob. A guiding means is provided on the inner side of the rotating knob to drive the sliding key to slide, and the sliding key is linked to slide into the locking groove of the wheel hub and the turntable to form a lock or release, so that the wheel hub and a preset vehicle tire can be easily switched to be driven by the driving unit or driven manually, thereby achieving the purpose of facilitating manual pushing of the preset vehicle.

Description

The control structure of vehicle wheel clamping and release

technical field

The invention relates to a structure for controlling the rotation or stopping of vehicle wheels, in particular to a control structure for locking and releasing vehicle wheels.

Background technique

Many vehicles use wheels to travel to achieve the purpose of moving, and can reach various far and near places, such as automobiles, locomotives, bicycles, rickshaws, tricycles or wheelchairs, etc. are driven by wheels, and various vehicles are also available. Equipped with a brake system, which can directly control the rotation or stop of the wheels, wherein electric vehicles such as wheelchairs, scooters (two wheels), trolleys or tricycles are equipped with brake systems with electromagnetic brakes. Because electric vehicles are used after being powered on, for example, people with disabilities riding electric wheelchairs cannot brake with their hands or feet. Therefore, general electric wheelchairs are equipped with operating devices such as knobs or joysticks. Toggle the operating device; when toggled, the power is turned on to start the power unit to make the wheelchair move forward, and when the hand is released, the power is turned off to stop the power unit to stop the wheelchair. Because there may be emergencies, damage or encountering slopes, etc., it is necessary to keep the wheels from moving after power failure to ensure the safety of users; in this case, the electromagnetic brake system must use electricity to make the electromagnet generate magnetic force. The brake pads that absorb the electromagnetic brake are released to release the brake state, and the motor can drive the wheel hub and the fixed tire to rotate normally; after the vehicle stops, the motor is powered off, and the electromagnetic brake is also powered off , so that the pad will be powered off by the electromagnet without generating suction, the brake pad will be pushed out by the spring and suppressed so that the pad will not move to achieve the purpose of braking, directly press the hub shell, let the wheel be in the braking state, and The electromagnetic brake system cooperates with the power device to enhance the safety in use.

Electric trolleys are often loaded with heavy objects, and the gravitational acceleration is large when loading heavy objects, so braking is more difficult. If manual braking is used, two people need to apply force together, which will greatly increase the labor cost. Therefore, it must Utilize the electromagnetic brake system to directly brake, so its power unit and electromagnetic brake system will also be designed like the above structure.

However, when the electric vehicle breaks down, people who want to push the car or take a wheelchair need to move the vehicle manually for hand exercise and rehabilitation; but because the internal reduction device of the motor is still connected to the wheel hub and the vehicle, manual When pushing the vehicle, it is necessary to push the deceleration device together, resulting in the problem of high energy consumption and difficulty in moving.

Therefore, how to solve the problem and trouble that it is difficult to manually push the vehicle to move when the vehicle is stopped is the direction that the applicant and related manufacturers engaged in this industry want to study and improve.

Contents of the invention

In view of the shortcomings of the above-mentioned commonly used vehicles, it is difficult to use manual methods to push the vehicle to move, the applicant collected relevant data, evaluated and considered in many ways, and based on many years of experience in this industry, through continuous conception and modification, the applicant began to design a The present invention can use the clamping groove and the keyway which are arranged opposite to the wheel hub and the turntable, and the accommodated sliding key cooperates with the rotation knob of the adjustment knob, and the rotation of the rotation knob drives the sliding key to slide between the keyway and the clamping groove to achieve clamping The invention patent of the vehicle wheel clamping and releasing control structure was born.

The main purpose of the present invention is to provide a vehicle wheel locking and releasing control structure. There are central holes on both sides of the internal accommodation space of the wheel hub, and one or more clamping grooves are provided on the outer surface of the central hole on one side, and the drive unit in the accommodation space drives the turntable, and the outer surface of the turntable There is a keyway that can be rotatably positioned in each clamping groove, a sliding key is installed in the keyway, and the center of the turntable is provided with a wheel shaft for assembling the rotating knob of the adjusting knob. The sliding key slides into the clamping groove of the wheel hub and the turntable to form clamping or release, and then it can be switched to allow the drive unit to drive and manually drive the wheels of the preset vehicle to rotate.

The secondary purpose of the present invention is to provide a control structure for locking and releasing the vehicle wheel. The hub is on the surface of the turntable, on the other side of the keyway and the feather key, there is an elastic buckle, and the elastic buckle is provided with an accommodation hole on the surface of the turntable, and an elastic body is placed in the accommodation hole to hold the ball, and it is relatively Elastic buckle on the surface of the rotary knob of the adjustment knob, located outside the two sides of the chute of the guide means, respectively provided with a first clamping hole and a second clamping hole, and the protrusion on the sliding key of the turntable is embedded in the rotary knob When one side of the chute is open, the holding ball of the elastic buckle is clamped at the second clamping hole on the outside of the other side of the chute; When the other side of the slot is locked, the holding ball of the elastic buckle is locked at the first locking hole outside the open side of the other side of the chute, and is used for accurate positioning of the rotary knob, and is driven by the drive unit or external force. When pushed, the rotary knob can be accurately positioned on the open side or the locked side, and will not turn or loosen with the hub.

Another object of the present invention is to provide a vehicle wheel locking and releasing control structure. The rotary knob outside the turntable of the hub can also be provided with magnets (ordinary magnets, powerful magnets or permanent magnets, etc.) When turning outward, when the open side of the chute on one side of the rotary knob and the locking side on the other side are respectively rotated to the bump against the sliding key, the magnets inside the open side or the locking side can be used to attract the bump side respectively. The magnet can also temporarily lock the rotary knob on the turntable and is not easy to loosen or move, so that the turntable is definitely limited by the rotary knob, and will not be driven by external force or driven by the drive unit to rotate or loosen away from the hub. For the rotary knob to achieve accurate open or stop positioning.

Another object of the present invention is to provide a vehicle wheel locking and releasing control structure. The rotary knob of the adjustment knob is provided with a chute for guiding means on the outer wall, and the limit stop body is provided with one or more fastening grooves on the outer peripheral edge. The cover lock has a fixed cover plate, and the cover plate is provided with perforations aligned with the sliding groove and the fastening groove, and the inner wall of the pushing component installed on the outer wall of the cover plate extends through the penetration groove into the sliding groove The sliding bolt, and the sliding groove is equipped with an elastic component with two ends respectively against the wall surface and the sliding bolt to push the sliding bolt into the clamping groove. By pushing one end of the sliding bolt of the component into the clamping groove, the rotation The button is stuck on the limit stop body, so that the rotary knob cannot be rotated, and after the pushing component is pushed to disengage the sliding bolt from the clamping groove, the rotary knob can be rotated, because the rotation of the rotary knob does not affect the preset vehicle It can be moved by electric and manual methods, and the function of safety switch can be achieved by pushing the components, which can improve the safety of use.

The purpose of the present invention is achieved through the following technical solutions:

The present invention includes a hub, a turntable, an adjustment knob and a drive unit, wherein the hub has an accommodating space for accommodating the drive unit, and the two sides of the hub are respectively provided with central holes communicating with the accommodating space. The central hole on the side is provided with one or more clamping grooves on the outer edge ring; The unit is driven to rotate, and the outer edge of the turntable is provided with key grooves corresponding to the clamping grooves. The key grooves are equipped with sliding keys that slide back and forth in the radial direction, and the center of the turntable is provided with a wheel shaft that runs through the hub. ; The adjustment knob is located on the outside of the turntable, and has a rotary knob that can rotate relative to the turntable. The inner surface of the rotary knob is provided with a guide means, and the guide means is linked with the sliding key to drive the sliding key in the described Sliding between the key groove and the locking groove corresponding to the key groove forms locking or releasing.

Wherein: the center of the rotary knob is provided with an inner hole, and a limit stop body connected to the turntable is placed in the inner hole, and the rotary knob can be relatively rotatably sleeved on the limit stop body; The outer edge of the limit stop body is protruded with a stop flange for axial positioning of the rotary knob;

The center of the rotary knob is provided with an inner hole, and the guiding means is a semicircular arc-shaped chute opened on the inner surface of the rotary knob. The chute is located at the periphery of the inner hole, and one end of the chute is close to the inner hole The open side is the open side, and the other end is the clamping side away from the inner hole; the outer side of the sliding key is provided with a protrusion accommodated in the guide means, and the protrusion is positioned at the position during the rotation of the rotary knob. between the opening side and the clamping side, and then drive the sliding key to slide between the keyway and the clamping groove corresponding to the keyway; The outer surface of the turntable is provided with an elastic buckle. The elastic buckle includes a holding hole, an elastic body and a holding ball. On the contrary, the elastic body and the clamping ball are sequentially placed in the accommodating hole; the clamping ball is pushed into the clamp outside the opening side or the clamping side by the elastic force of the elastic body during the rotation of the rotary knob. In the hole, the rotary knob is positioned; the open side and the inside of the clamping side of the rotary knob and the inside of the sliding key are provided with magnets, and the magnets inside the open side and the clamping side are positioned on the inside of the rotary knob. During the rotation process, it is attracted to the magnet on the feather key alternately to position the rotary knob;

The hub includes a base and a side cover covering one side of the base, and the accommodating space is formed inside the base and the side cover, and the other side of the base and the side cover are respectively opened with a The central hole connected with the space; the outer surface of the rotary knob is provided with two relative turning marks, and the outer surface of the side cover is respectively provided with a plurality of indicator marks corresponding to the turning marks;

The center of the rotary knob is provided with an inner hole, and a limit stop body connected to the turntable is placed in the inner hole, and the rotary knob is relatively rotatably sleeved on the limit stop body; The outer wall of the button is concavely provided with a sliding groove extending linearly outward from the inner hole, and the outer peripheral edge of the limit stop body is provided with one or more fastening grooves radially inward; the limit stop The outer cover of the body is covered with a cover plate installed on the rotary knob, and the cover plate is provided with a perforation, and the outer side of the cover plate is provided with a pushing assembly, and the pushing assembly is provided with a reciprocating movement located in the perforation. A guide post, the guide post extends axially inwards with a sliding bolt extending into the sliding groove, and the sliding groove is equipped with an elastic component whose two ends respectively resist the surface of the sliding groove and the sliding bolt The perforation corresponds to the sliding groove, the perforation is aligned with the sliding groove, and extends beyond the fastening groove, that is, the radial length of the perforation is greater than the sum of the radial lengths of the sliding groove and the fastening groove, The radially inward end of the perforation is provided with a penetration groove, and the width of the penetration groove is greater than the width of other parts of the perforation; the clamping groove is semicircular and radially inwardly recessed, and the sliding bolt is close to One end of the clamping groove is a corresponding semicircular protrusion, and the other end of the slide bolt is provided with a guiding lug pierced in the elastic component; the end of the pushing component away from the axle is bent outward, Form the resist.

Advantage of the present invention and positive effect are:

1. The wheel hub of the present invention utilizes the keyway of the turntable and one or more clamping grooves on the outer surface of the center hole, and drives the bump and the slide key through the chute of the rotary knob set by the adjusting knob, and the keyway and the clamping groove The sliding and displacement between the wheel hub and the turntable form a stable clamping or release, which can be used to switch the wheel hub to drive the wheel with the drive unit or manually, so as to achieve the purpose of manually pushing the vehicle.

2. The side cover of the wheel hub of the present invention is provided with a plurality of indicator marks on the surface, and on the outer surface of the rotary knob of the adjustment knob, there are rotation marks corresponding to each indicator mark, so that when the rotary knob is rotated, the rotation will be reversed. The mark pair is located at two opposite indicator marks, and reaches the position of opening an account or locking and positioning by quickly turning the rotary knob.

Description of drawings

1 is a three-dimensional appearance view of Embodiment 1 of the present invention;

Figure 2 is an exploded perspective view of Embodiment 1 of the present invention;

Fig. 3 is a side sectional view of Embodiment 1 of the present invention;

Fig. 4 is a partial front view of Embodiment 1 of the present invention;

Fig. 5 is a side sectional view of a rotating knob according to an embodiment of the present invention;

Fig. 6 is a partial front view of the embodiment of the present invention after the rotation of the rotary knob;

Fig. 7 is a diagram of the use status of Embodiment 1 of the present invention;

Fig. 8 is a three-dimensional exploded view of Embodiment 2 of the present invention;

Fig. 9 is the front view of Embodiment 3 of the present invention;

Fig. 10 is a three-dimensional exploded view of Embodiment 3 of the present invention;

Fig. 11 is a front view of Embodiment 4 of the present invention;

Fig. 12 is a side sectional view of Embodiment 4 of the present invention;

Among them: 1 is the hub, 10 is the accommodation space, 101 is the first center hole, 102 is the second center hole, 11 is the base, 111 is the clamping groove, 112 is the index mark, 12 is the side cover, 13 is the drive Unit, 130 is a reduction device, 131 is a driving gear, 132 is a planetary gear, 133 is a ring gear, 14 is a turntable, 140 is a keyway, 141 is a screw hole, 142 is a sliding key, 143 is a bump, 144 is an elastic buckle , 1440 is the accommodation hole, 1441 is the elastic body, 1442 is the clamping ball, 15 is the axle, 151 is the external thread, 16 is the lock nut, 160 is the inner screw hole, 2 is the adjustment knob, 21 is the rotation knob, 210 is an inner hole, 2101 is an inclined surface, 211 is a guiding means, 2111 is an open side, 2112 is a clamping side, 2113 is a first clamping hole, 2114 is a second clamping hole, 212 is a finger groove, 213 is a magnet, 2131 is a magnet, 2132 is a magnet, 214 is a turning mark, 215 is a sliding groove, 22 is a limit stop body, 220 is a shaft hole, 221 is a screw, 222 is a fastening groove, 23 is a cover plate, 231 is a perforation , 232 is a piercing groove, 24 is a pushing element, 241 is a guide post, 242 is a slide bolt, 243 is a resisting portion, 244 is a guiding lug, 25 is an elastic element, and 3 is a wheel.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Embodiment one

As shown in Figures 1 to 3, the present invention includes a hub 1, a turntable 14, an adjustment knob 2 and a drive unit 13, wherein:

The hub 1 includes a base 11 and a side cover 12 covering one side of the base 11, and a hollow accommodating space 10 is formed inside the base 11 and the side cover 12, and the two sides of the accommodating space 10 are respectively A first center hole 101 and a second center hole 102 penetrating outwards are provided (i.e., the side cover 12 is provided with a first center hole 101 communicating with the accommodating space 10, and the other side of the base 11 is provided with an accommodating space. Space 10 communicates with the second central hole 102), and the drive unit 13 is installed in the accommodation space 10, and the drive unit 13 can drive one or more layers of reduction gear 130 to rotate, and one or more layers of reduction gears 130 is installed on the inner surface of the turntable 14, and the turntable 14 is movably sleeved in the first central hole 101. In addition, a plurality of screw holes 141 are evenly distributed on the outer surface of the turntable 14 along the circumferential direction, and the outer edge of the turntable 14 is along the A keyway 140 is provided radially outward, and a sliding key 142 reciprocatingly sliding in the radial direction is housed in the keyway 140, and a protrusion 143 is protruded on the outer surface of the sliding key 142, and the opposite keyway 140 is on the outside of the first central hole 101. On the edge of the outer surface of the side cover 12, one or more clamping grooves 111 are arranged on the ring, and indicator marks 112 are respectively provided on the surface of the side cover 12 corresponding to each clamping groove 111, and the two sides of the accommodation space 10 are located on the base 11 1. The second center hole 102 and the first center hole 101 of the side cover 12 are provided with the wheel shaft 15, and an external thread 151 is provided on one side of the wheel shaft 15, and a locking nut 16 that can be locked on the wheel shaft 15 is provided. , the inner screw hole 160 inside the locking nut 16 can be aligned and locked on the outer thread 151, the drive unit 13 can drive the turntable 14 through the deceleration device 130, or the drive unit 13 can directly drive the turntable without the deceleration device 130 14. The present invention is described with the design of the deceleration device 130 as an embodiment, and the central shaft 15 can be divided into two sections, which are respectively installed at the connection between the base 11 and the deceleration device 130 to reduce volume and weight. This is Prior art, not repeated.

The adjustment knob 2 is located on the outside of the turntable 14, and includes a rotary knob 21 and a limit stop body 22 assembled in the inner hole 210 of the rotary knob 21, while the inner hole 210 of the rotary knob 21 has a through hole, and the outer edge of the inner hole 210 An outward inclined surface 2101 is provided, and a guide means 211 is provided on the inner surface of the rotary knob 21. The guide means 211 can be a semi-arc-shaped chute, and the outer circumference of the rotary knob 21 is provided with a plurality of grips. One end of the finger groove 212, the guide means 211 is an open side 2111 close to the edge of the inner hole 210, the other end is a clamping side 2112 away from the inner hole 210, and the opposite open side 2111 and the clamping side 2112 are outside the rotary knob 21 The sides are respectively provided with corresponding turning marks 214; and the inside of the limit stop body 22 has a through shaft hole 220, and the edge of one side is protrudingly provided with a stop flange, and the limit stop body 22 is locked and locked. A plurality of screw rods 221 are provided (the number of screw rods 221 is the same as the number of screw holes 141 on the turntable 14 ).

When the above-mentioned components are assembled, the rotating disk 14 in the first center hole 101 on the side cover 12 and the wheel shaft 15 passed through are used for the movable sleeve and assembly of the adjusting knob 2, and are installed in the inner hole 210 of the rotating knob 21. The limit stop body 22 is locked into each screw hole 141 on the surface of the turntable 14 with a plurality of screw rods 221 respectively. At the external thread 151 of the lock nut 16, the internal screw hole 160 of the locking nut 16 is used to align and lock the external thread 151, so that the adjustment knob 2 is positioned on the side of the hub 1, and the limit stop body 22 of the adjustment knob 2 is The stopper flange on one side is held against the inclined surface 2101 outside the inner hole 210 of the rotary knob 21 to lock the rotary knob 21 on the outside of the turntable 14, and the two opposite turning marks on the outer surface of the rotary knob 21 214, respectively facing any two opposite indicator marks 112 on the surface of the side cover 12, and for the rotary knob 21 to rotate along the limit stop body 22 without disengagement, and then use the keyway 140 of the turntable 14 to use the sliding key 142 outside The protrusion 143 on the surface is embedded in the guide means 211 on the inner surface of the rotary knob 21 , that is, the control structure of the present invention is formed by the hub 1 and the adjustment knob 2 .

The aforementioned wheel hub 1 is provided with one or more clamping grooves 111 on the outer surface of the first central hole 101 of the side cover 12. This embodiment uses four clamping grooves 111 opposite to each other as an illustration. The slots 111 are respectively recessed toward the first center hole 101, so that a plurality of clamping slots 111 are arranged in a cross shape outside the first center hole 101; moreover, the drive unit 13 installed in the inner accommodation space 10 of the hub 1 , can be various motors, such as: brushed motors, brushless motors, servo motors, stepping motors or coil induction motors and other equivalent power sources with power, and can drive the deceleration device 130 to move, and the deceleration device 130 is controlled by The driving gear 131 is composed of one or more planetary gears 132 and the ring gear 133. The driving gear 131 is driven by the driving unit 13 to rotate, and the driving gear 131 meshes with one or more planetary gears 132 and the ring gear 133. The ring gear 133 is arranged on the motor of the drive unit 13 to achieve the deceleration effect, and in this embodiment, one or more planetary gears 132 and one or more ring gears 133 are arranged inside the turntable 14, thereby driving the turntable 14 to decelerate and rotate and drive The wheel hub 1 rotates, and the wheel hub 1 is equipped with the wheels 3 of preset vehicles (such as wheelchairs, scooter, trolleys or tricycles, etc.) on the outside of the base 11 and side cover 12. The above-mentioned speed reduction device 130 can be provided with one or more layers. Devices that can achieve the deceleration effect are all included in the patent scope of the present invention, but the deceleration device 130 is a prior art and will not be described in detail, and the drive unit 13 can also directly drive the turntable 14 without the deceleration device 130 .

As shown in Figures 2 to 7, when the control structure of the present invention is used in practice, the adjustment knob 2 assembled outside the hub 1 can be used for the user to grasp the finger grooves 212 on the outer circumference of the rotation knob 21 and rotate 1. Twist the rotary knob 21, and rotate the two relative rotation marks 214 on the rotary knob 21 to the other two relative index marks 112, and drive the stuck bump 143 through the guide means 211 inside the rotary knob 21, With the rotation of the rotary knob 21, the protrusion 143 slides and displaces between the open side 2111 and the clamping side 2112 of the guide means 211. When the guide means 211 drives the protrusion 143 to slide away from the first central hole 101 When locking the side 2112, the sliding key 142 of the interlocking protrusion 143 slides outwards from the keyway 140 of the turntable 14 to be partially locked into the locking groove 111 outside the first center hole 101, that is, the sliding key 142 is locked. The keyway 140 of the turntable 14 and the clamping groove 111 of the side cover 12, when the drive unit 13 works and drives the turntable 14 to rotate through the reduction device 130, the turntable 14 and the side cover 12 are locked by the sliding key 142. The wheel hub 1 rotates accordingly, and the wheel 3 rotates accordingly to allow the preset vehicle to move.

If you want to release the locked state of the wheel hub 1, you only need to grasp the finger grooves 212 outside the rotary knob 21 of the adjustment knob 2, and then turn the rotary knob 21 in the opposite direction, so as to turn the two relative rotation marks 214 on the rotary knob 21, Rotate to reset and align with the original two relative index marks 112, then the guide means 211 can be used to drive the protrusion 143 from the clamping side 2112 away from the center hole 101 to the other side of the guide means 211 close to the first The open side 2111 of the central hole 101, and during the movement of the protrusion 143 on the guide means 211, the sliding key 142 moves through the protrusion 143, so that the partial sliding key 142 exits the clamping groove 111, and the sliding key 142 is reset , Returning to the keyway 140 of the turntable 14, the clamping of the turntable 14 and the side cover 12 can be quickly and accurately released, because the side cover 12 is separated from the turntable 14 and the reduction gear 130 connected to it, so when the force is applied manually to rotate When the hub 1 and the wheel 3 are used, there is no need to drive the turntable 14 and the speed reduction device 130, which can reduce the effort consumed.

And the outer surface of the first central hole 101 of the wheel hub 1 on the side cover 12, the ring is provided with one or more clamping grooves 111 (can be tooth-shaped one, two relative or radial four, six) , eight or more, etc., the number, type, or arrangement of the locking slots 111 can be changed according to the design of different application preset vehicles. In this embodiment, four are arranged in a cross shape as an example. For illustration, but it does not limit the application number, type or arrangement of the locking grooves 111 of the present invention, etc.), so that when the wheel hub 1 drives the wheel 3 to rotate, when any locking groove 111 aligns with the keyway 140 of the turntable 14, That is to say, the rotary knob 21 of the adjusting knob 2 can be rotated to use the guiding means 211 to drive the protrusion 143 to link with the sliding key 142, so that the sliding key 142 can slide and move between the keyway 140 and the clamping groove 111, so as to achieve fast and accurate Locking or releasing the wheel hub 1 is for the purpose of switching electric or manual travel, and the operation of locking or releasing is quite simple and convenient.

And in the normal operating state, the rotary knob 21 of the adjustment knob 2 is in a locked state, and the protrusion 143 of the sliding key 142 is located at the clamping side 2112 of the rotary knob 21, and the sliding key 142 is locked on the side cover 12. In the clamping groove 111 on the periphery of the first center hole, when the planetary gears 132 and the ring gear 133 operate together with the drive gear 131, the drive unit 13 and the internal related electromagnetic brakes, the turntable with the planetary gears 132 is installed. 14 will then decelerate and rotate accordingly, and allow the wheel hub 1 held by the feather key 142 to rotate synchronously thereupon, so that the wheel 3 outside the wheel hub 1 can be rotated to make the preset vehicle move and advance; if the drive unit 13 inside the wheel 3 Or relevant electromagnetic brake etc. break down or power is out of power, and when unable to drive wheel 3 to rotate, when advancing, then the rotary knob 21 of adjustment knob 2 can be rotated, and the clamping side 2112 that rotary knob 21 is provided can be rotated away The protrusion 143 of the sliding key 142, and the opening side 2111 is rotated to be aligned with the protrusion 143 of the sliding key 142, because the locking side 2112 is far away from the inner hole 210 and the opening side 2111 is close to the inner hole 210, so the sliding key 142 can be driven. When the displacement is close to the inner hole 210 and withdraws from the clamping groove 111, the drive unit 13, the driving gear 131, the planetary gear 132, the ring gear 133 and the turntable 14 are separated from the wheel hub 1, and the wheel 3 can be driven manually. Rotate, advance; Then wheel 3 can utilize electric or manual mode (as the auxiliary armrest circle beside the wheel for wheelchairs) to advance, and the vehicle (for example: wheelchair, scooter, trolley or tricycle etc.) that wheel 3 is installed, can have multiple A driving operation mode is provided, which is convenient for the vehicle to select and apply an appropriate driving mode.

Embodiment two

As shown in Figure 8, in this embodiment, the wheel hub 1 in the first embodiment is provided with an elastic buckle 144 on the outer surface of the turntable 14, opposite to the keyway 140 and the sliding key 142, and the elastic buckle 144 is on the turntable. The surface of 14 is provided with an accommodation hole 1440, and in the accommodation hole 1440, an elastic body 1441 (the elastic body 1441 in this embodiment can be a spring), a holding ball 1442, and an elastic buckle 144 are placed on the adjustment knob in sequence The surface of the rotary knob 21 of 2 is provided with a first clamping hole 2113 and a second clamping hole 2114 respectively located outside the two ends of the guide means 211, and the slide key 142 of the turntable 14 is inserted into the guide located on the rotary knob 21 with the protrusion 143. When one end of the means 211 is open to the side 2111, the holding ball 1442 in the elastic buckle 144 is locked at the second locking hole 2114 outside the locking side 2112 of the other end of the guiding means 211, then when the rotating knob 21 of the adjusting knob 2 is rotated At this time, the holding ball 1442 of the elastic buckle 144 is compressed by the surface of the rotating knob 21, and the holding ball 1442 is pushed into the accommodating hole 1440. The open side 2111 of one end of the guiding means 211 is rotated away from the protrusion 143 of the sliding key 142 on the turntable 14, and the locking side 2112 of the guiding means 211 is rotated to move to the protrusion 143 of the sliding key 142, that is, for the turntable 14. The elastic buckle 144 aligns with the position of the first clamping hole 2113, and the holding ball 1442 of the elastic buckle 144 receives the rebound thrust of the elastic body 1441, so that the holding ball 1442 is pushed into the first clamping hole 2113, so that the rotating knob 21 can be rotated. When the turntable 14 is externally rotated, locked or released, the holding ball 1442 of the elastic buckle 144 moves between the first locking hole 2113 and the second locking hole 2114 on both sides of the outer periphery of the guide means 211, causing the hand When the rotary knob 21 is fully rotated, a twisting tactile feeling of clamping and positioning is generated, and at the same time, the clamping ball 1442 is clamped at the first clamping hole 2113 and the second clamping hole 2114 to form a temporary clamping effect, so that the rotary knob 21 is positioned on the open side 2111 or clamping side 2112, it will not be pushed by external force or driven by the driving unit 13 to rotate or loosen with the hub 1, so as to prevent the rotary knob 21 from sliding on the outside of the turntable 14, so that the rotary knob 21 can be truly opened or stop positioning.

Embodiment three

As shown in Fig. 9 and Fig. 10, the present embodiment is the rotary knob 21 located outside the turntable 14 in the first embodiment, and magnets ( Can be ordinary magnet, powerful magnet or permanent magnet etc.), open side 2111 inside is magnet 2131, clamping side 2112 inside is magnet 2132, and when rotating knob 21 rotates outside rotating disk 14, when turning knob 21 uses guiding means When the open side 2111 of one end of 211 or the clamping side 2112 of the other end are respectively rotated to the protrusion 143 of the sliding key 142, the magnet 2131 or 2132 inside the open side 2111 or the clamping side 2112 can be used to attract the protrusion 143 or The magnet 213 embedded in the sliding key 142 can also temporarily clamp the rotary knob 21 on the turntable 14, so that it is not easy to loosen or move, so that the turntable 14 is definitely limited by the rotary knob 21, and it will not be pushed by an external force or driven by the drive unit. 13 drives and rotates with wheel hub 1 or loosens away from wheel hub 1, just can allow rotary knob 21 to reach the location that really opens or stops.

Embodiment Four

As shown in Figure 11 and Figure 12, in this embodiment, the rotary knob 21 of the adjustment knob 2 in the first embodiment is recessed on the outer wall away from the reduction gear 130, and extends straightly outward from the inner hole 210 (radially outward) ), the limit stop body 22 is provided with one or more fastening grooves 222 on the outer peripheral edge, and the outer side of the limit stop body 22 is covered and locked to accommodate the inner hole 210 In the cover plate 23, the cover plate 23 is provided with a perforation 231 aligned with the sliding groove 215 and extending beyond the clamping groove 222, and the end of the perforation 231 is provided with a penetration groove 232, and the width of the penetration groove 232 is larger than that of the perforation 231 The width of other parts, and the outer wall of the cover plate 23 is provided with a pushing assembly 24, which extends a guide post 241 that is located in the through hole 231 and moves back and forth. The slot 232 extends into the sliding bolt 242 in the sliding groove 215, and the end of the pushing assembly 24 away from the axle 15 is provided with a resisting portion 243, and the sliding groove 215 is equipped with two ends respectively against the wall surface of the sliding groove and a slide. The bolt 242 snaps into the elastic component 25 of the fastening groove 222 by pushing against the sliding bolt 242 (the elastic component 25 in this embodiment can be a spring). There is a guiding protrusion 244 pierced through one end of the elastic component 25 to form a positioning position, and the elastic component 25 is not easy to slip through the guiding protrusion 244 to facilitate assembly.

When the clamping groove 222 of the limit stop body 22 is aligned and communicated with the sliding groove 215, the sliding bolt 242 of the pushing component 24 is pushed by the elastic component 25 to slide through the sliding groove 215, so that the sliding bolt 242 One end is displaced into the fastening groove 222. Since the slide bolt 242 is located in the sliding groove 215 and the fastening groove 222, when the user applies force to the rotary knob 21, the rotary knob 21 cannot be rotated. When the knob 21 is rotated, a force is first applied to the abutment portion 243 of the push assembly 24, and the push assembly 24 is pushed away from the limit stop body 22, and then the guide post 241 of the push assembly 24 will be on the cover. The through-hole 231 of the plate 23 is displaced, and the sliding bolt 242 of the pushing component 24 is displaced in the sliding groove 215 in a direction away from the limit stop body 22 and disengaged from the fastening groove 222, and at the same time, the sliding bolt 242 will press the elastic component. 25 produces elastic deformation, because at this time the sliding bolt 242 completely enters the sliding groove 215, that is, the other end of the fastening groove 222, so the rotary knob 21 can be smoothly rotated by the user, because the rotating direction of the rotary knob 21 is in line with the pushing The pushing directions of the components 24 are different, so as to prevent unintentional touches and turn the rotary knob 21, causing the preset vehicle to suddenly malfunction when the electric and manual mode is switched, causing injuries to the occupants, so push the components 24 has the effect of a safety switch, thereby achieving the purpose of improving the safety of use.

And when the user does not need to turn the rotary knob 21 to switch between electric and manual modes, the rotary knob 21 is rotated so that the sliding groove 215 is aligned with the clamping groove 222 of the limit stop body 22. At this time, the elastic assembly The elastic restoring force of 25 will push the sliding bolt 242, so that one end of the sliding bolt 242 enters the clamping groove 222 with the guide and displacement of the guiding means 211 to form a lock, and then the rotary knob 21 will be locked.

The above-mentioned pushing component 24 can be in different shapes such as sheet, rod or ball, and the sliding bolt 242 of the pushing component 24 is first penetrated to the other side through the penetration groove 232 of the cover plate 23, and then the pushing component The displacement of 24 makes the guide post 241 enter the perforation 231, and the cover plate 23 and the push assembly 24 are installed on the outside of the rotary knob 21 and the limit stop body 22, so that the sliding bolt 242 of the push assembly 24 enters the slide of the rotary knob 21. Move into the groove 215 and press against the elastic component 25 to make it elastically deformed, and then lock the cover plate 23 on the rotary knob 21. The slot 222 is adjacent to the side of the shaft hole 220, so after the cover plate 23 is locked, the slide bolt 242 that pushes against the component 24 will be stopped by the limit stop body 22 and cannot be displaced to the insertion slot 232, so it is pushed against The assembly 24 is then positively positioned without dislodging.

In addition, the clamping groove 222 of the limit stop body 22 is semicircular concave, and the sliding bolt 242 of the pushing component 24 is adjacent to the limit stop body 22 and has the same semicircular protrusion as the clamp groove 222 shape, then when the sliding bolt 242 of the pushing component 24 is pushed by the elastic component 25, if its fastening groove 222 is aligned with the sliding groove 215, the sliding bolt 242 will slide into the fastening groove 222 and fit together Positioning is formed, and if the pushing component 24 or the elastic component 25 is stuck in the process, so that the semicircular protruding side of the sliding bolt 242 only partially enters the locking groove 222, then when the rotary knob 21 is turned, because the semicircular concave One side wall surface of the shape clamping groove 222 will exert force to push against the semicircular protruding side of the sliding bolt 242, and use the force on the semicircular wall surface to guide and push the sliding bolt 242 back into the sliding groove 215, so that the sliding bolt 242 can be avoided due to The push assembly 24 is stuck and cannot be unlocked, so the rotary knob 21 can be rotated smoothly by the user, so that the keyway 140, the sliding key 142, and the guide means 211 are slid to the locking side 2112 and the opening side 2111 at the same time The latching position of the matching slide bolt 242 and the latching groove 222 does not disengage, so as to achieve the effect of latching or unlocking. In addition, the greater the number of locking slots 111 , the quicker the locking or unlocking is, the moving distance of the sliding key 142 in the guiding means 211 can be relatively shortened, and the rotation angle of the rotary knob 21 is also relatively reduced.

Therefore, the above description is only a preferred embodiment of the present invention, and does not limit the scope of patent protection of the present invention. The control structure of the vehicle wheel clamping and release of the present invention is based on the base 11 and side cover of the wheel hub 1. 12 is provided with an accommodating space 10 inside, and on both sides of the accommodating space 10 are respectively provided with first and second central holes 101, 102 penetrating outwards, and a driving unit 13 is installed inside, and the driving unit 13 is used to drive the driving gear 131, Cooperate with one or more planetary gears 132 and one or more ring gears 133 to rotate and decelerate, and one or more planetary gears 132 are respectively installed on the inner surface of the turntable 14, the turntable 14 is located in the first center hole 101, and then on the turntable The outer surface of 14 is provided with a keyway 140, a sliding key 142 with a protrusion 143 installed in the keyway 140, and the keyway 140 and the sliding key 142 of the relative turntable 14 are on the outer surface of the first center hole 101 of the side cover 12, and the ring is provided with one or A plurality of clamping grooves 111, for when the rotating knob 21 is rotated, the chute of the guiding means 211 on the inner surface of the rotating knob 21 is used to drive the protrusion 143 and the sliding key 142 to slide from the keyway 140 to the corresponding clamping groove 111 Inside, the wheel hub 1 can be locked by rotating the rotary knob 21 and linked with the sliding key 142, so that the wheel hub 1 and the turntable 14 can be locked or released. The wheel hub 1 and the vehicle wheel 3 can be easily switched for driving by the drive unit or manually. , and then achieve the purpose of manually pushing the vehicle. The above actions are all to use the rotary knob 21 to press the sliding key 142, so that the sliding key 142 allows the wheel hub 1 and the turntable 14 to form a locking or releasing effect, and the guiding means 211 of the rotary knob 21 also The sliding key 142 can be pushed away by a bump or an elliptical wheel to achieve locking or release; in addition, an elastic component 25 can be set at the pushing position of the sliding key 142 to push or pull the sliding key 142 to return to its original position. The purpose, effect, etc. that can achieve the aforementioned effects, and related equipment and devices, all should be covered by the present invention, such as the shortening of the chute stroke, the change of the structure of the pushing assembly 24, the use of the cover plate 23, the sliding key 142 structure changes, etc., such simple modifications and equivalent structural changes, should be included in the scope of patent protection of the present invention in the same way.

Therefore, the present invention is mainly aimed at the design of the control structure for locking and releasing the vehicle wheel. The turntable is assembled through the center hole on one side of the wheel hub, and a keyway is provided on the outer surface of the turntable to install the sliding key, and the outer ring of the center hole There are one or more clamping grooves opposite to the keyway, and with the adjustment knob installed on the outside of the turntable, the rotary knob is used to drive the sliding key to slide and fasten in the clamping groove, so that the wheel hub and the turntable can be connected by the rotary knob. Locking, for the drive unit to drive the wheel of the preset vehicle as the main protection point, and if you want to release the locking of the wheel hub, just turn the rotary knob to drive the sliding key through the chute to leave the locking groove, and then the wheel hub and The wheels of the preset vehicle are driven manually to achieve the effect of conveniently switching the drive unit to drive or manually drive the preset vehicle. However, the above description is only a preferred embodiment of the present invention, and does not limit the scope of patent protection of the present invention. Therefore, any simple modification, replacement and equivalent principle changes made by using the description and drawings of the present invention, All should be equally included in the patent protection scope of the present invention.

Claims (10)

1. a kind of wheel of vehicle blocking and the control structure of releasing, it is characterised in that：Including wheel hub (1), rotating disk (14), adjustment rotation There is the accommodation space (10) for housing the driver element (13), institute inside button (2) and driver element (13), wherein wheel hub (1) The both sides for stating wheel hub (1) have the centre bore to be connected with the accommodation space (10), and the centre bore of either side is in lateral surface Edge ring is provided with one or more clamping slots (111)；The rotating disk (14) is placed in the centre bore provided with clamping slot (111) side In, the inner side of the rotating disk (14) is connected with the driver element (13), drives rotation, the rotating disk by driver element (13) (14) lateral surface edge is provided with the keyway (140) corresponding with each clamping slot (111), and edge is equipped with the keyway (140) The feather key (142) radially to reciprocatingly slide, rotating disk (14) center are provided with the wheel shaft (15) through the wheel hub (1)；The tune Whole knob (2) is located at the outside of rotating disk (14), has the knob (21) that can be rotated relative to rotating disk (14), the knob (21) Medial surface be provided with guidance means (211), the guidance means (211) interlock with the feather key (142), drive feather key (142) to exist Slided between the keyway (140) and the clamping slot (111) corresponding with keyway (140), form blocking or releasing；The rotation Button (21) and is rotated with the wheel hub (1) in the driving of blocking state driven moving cell (13) together with rotating disk (14).

2. the control structure of wheel of vehicle blocking and releasing as described in claim 1, it is characterised in that：In the knob (21) The heart is provided with endoporus (210), and the limit stops body (22) being connected with the rotating disk (14) is equipped with the endoporus (210), described Knob (21) is rotatably set on limit stops body (22)；The outer ledge projection of the limit stops body (22) Having makes the stop lug of knob (21) axially position.

3. the control structure of wheel of vehicle blocking and releasing as described in claim 1, it is characterised in that：In the knob (21) The heart is provided with endoporus (210), and the guidance means (211) are the chute of the semicircle arcuation opened up in knob (21) medial surface, should Chute is located at the periphery of the endoporus (210), and one end of the chute is the open sides (2111) close to endoporus (210), another Hold as the blocking side (2112) away from endoporus (210).

4. the control structure of wheel of vehicle blocking and releasing as described in claim 3, it is characterised in that：The feather key (142) Outside is provided with the projection (143) being placed in the guidance means (211), and the projection (143) rotates in the knob (21) During moved between the open sides (2111) and blocking side (2112), and then drive feather key (142) in the keyway (140) and between the clamping slot (111) corresponding with keyway (140) slide.

5. by the control structure of the wheel of vehicle blocking of claim 3 or 4 and releasing, it is characterised in that：The knob (21) open sides (2111) of medial surface and the outside of blocking side (2112) are respectively equipped with hole clipping, and rotating disk (14) lateral surface is set Flexible buckle (144), the Elastic buckle (144) include accommodating hole (1440), elastomer (1441) and clamping spheroid (1442), The accommodating hole (1440) be opened in the lateral surface of rotating disk (14) and with the keyway (140) and feather key (142) relatively, the appearance Put in hole (1440) and be sequentially placed the elastomer (1441), clamping spheroid (1442)；The clamping spheroid (1442) is rotating The open sides (2111) or blocking side are pushed into by the elastic force of the elastomer (1441) during button (21) rotation (2112) in outside hole clipping, the knob (21) is positioned.

6. by the control structure of the wheel of vehicle blocking of claim 3 or 4 and releasing, it is characterised in that：The knob (21) magnet is equipped with the open sides (2111) of medial surface and blocking side (2112) inside and the feather key (142), this is opened The internal magnet in side (2111) and blocking side (2112) is put during the knob (21) rotates alternately and the feather key (142) magnet on mutually attracts, and the knob (21) is positioned.

7. the control structure of wheel of vehicle blocking and releasing as described in claim 1, it is characterised in that：The wheel hub (1) includes Pedestal (11) and cover in the side cover (12) of pedestal (11) side, and be internally formed in pedestal (11) and side cover (12) described accommodating Space (10), the center being connected with accommodation space (10) is had on the opposite side and side cover (12) of the pedestal (11) Hole；The outer surface of the knob (21) be provided with two it is relative turn mark (214), in the outside table of the side cover (12) Face is respectively equipped with multiple with the cue mark (112) that to turn mark (214) corresponding.

8. the control structure of wheel of vehicle blocking and releasing as described in claim 1, it is characterised in that：In the knob (21) The heart is provided with endoporus (210), and the limit stops body (22) being connected with the rotating disk (14) is equipped with the endoporus (210), described Knob (21) is rotatably set on limit stops body (22)；Knob (21) lateral wall is arranged with by endoporus (210) outside linearly extended slippage slot (215), the outer peripheral edge of the limit stops body (22) is arranged with one radially inwards Or multiple fixing slots (222)；The outside mask of the limit stops body (22) is covered with the cover plate (23) on knob (21), Perforation (231) is provided with the cover plate (23), the outside of the cover plate (23), which is provided with, pushes against component (24), on the pushing and pressing component (24) Provided with the guide pillar (241) moved back and forth in the perforation (231), the guide pillar (241) is inwardly in the axial direction to be stretched into Retainer (242) in the slippage slot (215), both ends are equiped with the slippage slot (215) and support slippage slot (215) groove respectively Face and the elastic parts (25) of retainer (242).

9. the control structure of wheel of vehicle blocking and releasing as described in claim 8, it is characterised in that：It is described perforation (231) with Slippage slot (215) is corresponding, and the perforation (231) aligns with slippage slot (215), and extends beyond fixing slot (222), i.e., described to wear Hole (231) radical length is more than the slippage slot (215) and fixing slot (222) radical length sum, described perforation (231) footpath It is provided with to inside end and places groove (232), the width for placing groove (232) is more than the width at described perforation (231) other positions Degree.

10. the control structure of wheel of vehicle blocking and releasing as described in claim 8, it is characterised in that：The fixing slot (222) For semicircle, recess, the retainer (242) are protruded close to one end of fixing slot (222) for corresponding semicircle radially inward Shape, the other end of the retainer (242) are provided with the correcting projection (244) being arranged in the elastic parts (25)；The pushing and pressing group One end outward bending of the part (24) away from wheel shaft (15), forms support division (243).