CN205725316U - A treadmill lifting drive device - Google Patents

Abstract

The utility model relates to a kind of treadmill and rises driving means, include fixed pedestal (1) and the motor (2) being arranged on fixed pedestal (1) and push rod (3), described motor (2) drives push rod (3) to realize treadmill elevating function by a transmission device (4), described transmission device (4) is arranged on fixed pedestal (1), this transmission device (4) is provided with a bidirectional control device (5), this bidirectional control device (5) is when motor (2) drives transmission device (4) to drive push rod (3) stretching motion, transmission device (4) is driven to drive push rod (3) to stretch out or contractile motion by bidirectional control device (5) control motor (2).The utility model simple in construction, easy to operate, also realize automatic control function, use more hommization.

Description

A treadmill lifting drive device

technical field

The utility model relates to a lifting drive device, in particular to a motor-driven lifting mechanism of a treadmill, which belongs to the technical field of treadmills.

Background technique

The lifting mechanism of the existing treadmill mainly includes a motor, a gear transmission, and a telescopic rod. The motor drives the gear transmission to make the telescopic rod realize the function of up and down telescopic expansion. Therefore, the telescopic stroke of the lifting mechanism is generally an unadjustable fixed stroke driving device or The telescopic stroke of the telescopic rod is controlled by the limit device to realize the adjustment of the lifting angle. Therefore, in application, it is necessary to make special lifting mechanisms with different strokes for treadmills of different models and different inclination angles, thus increasing the production cost. Simultaneously also brings unnecessary trouble to the user, can only be used in a kind of inclination angle of lifting, is not humanized enough.

Utility model content

The purpose of this utility model is to provide a treadmill lifting drive device in order to solve the above-mentioned technical defects of the existing treadmill lifting drive.

The utility model purpose can be realized through the following technical solutions:

A treadmill lifting driving device, including a fixed base, a motor and a push rod installed on the fixed base, the motor drives the push rod through a transmission device to realize the lifting function of the treadmill, and the transmission device is installed on a fixed On the base, the transmission device is provided with a two-way control device. When the motor drives the transmission device to drive the push rod to stretch, the two-way control device controls the motor to drive the transmission device to drive the push rod to extend or contract.

The specific structural features of a lifting drive device for a treadmill in the utility model are as follows: the two-way control device is composed of a speed change gear set installed on a fixed base, a micro switch, a potential controller and a control rotating part; the speed change gear Set at the corresponding position of the transmission device, the motor drives the rotation of the transmission device to rotate; the control circuit of the micro switch is connected with the potentiometer controller, which is the control switch of the potentiometer controller; the control circuit of the potentiometer controller Connected with the motor, it is used to control the speed or/and stroke of the motor driving the transmission device to drive the push rod; the control rotating part is located at the corresponding position of the micro switch, and the control rotating part is driven to rotate by the speed change gear set, and the control rotating part It is used to turn on the micro switch, and the micro switch controls the motor to drive the transmission device to drive the push rod to realize the lifting function. The transmission gear set, the potentiometer controller and the control rotating part are respectively provided with transmission gears, and the transmission gears make the transmission gear set, the potential controller and the control rotating part mutually connected and controlled.

The specific structural features of a lifting drive device for a treadmill in the utility model are as follows: there are two micro switches, and the two micro switches are distributed and fixed up and down; The raised rotating part, the upper and lower protrusions of the rotating part correspond to the micro switches distributed up and down respectively, so that the upper and lower protrusions respectively control the opening work of the micro switches distributed up and down, thereby controlling the extension or extension of the push rod Shrink function.

The specific structural features of a lifting drive device for a treadmill in the utility model are as follows: the control rotating part is composed of an upper rotating part and a lower rotating part, the upper protrusion is arranged on the upper rotating part, and the lower protrusion is arranged on the upper rotating part. On the lower rotating part, the upper rotating part and the lower rotating part are connected through gears, and the upper rotating part and the lower rotating part are fixed through screw transfer. Transmission gear drive connection.

The specific structural features of a lifting drive device for a treadmill in the utility model are as follows: the transmission device is composed of a gear shaft on the motor, a gear on the push rod, and a transmission gear between the gear shaft and the gear, and the gear shaft The gear of the push rod is driven to rotate through the transmission gear to realize the function of the push rod up and down.

The specific structural features of a lifting drive device for a treadmill in the utility model are: the push rod is composed of a screw rod and a push tube, and a screw sleeve is fixed on the push tube; the push rod drives the screw rod to rotate through a motor-driven transmission device. , the screw rod rotates on the screw sleeve to realize the passive telescopic movement of the push tube.

The specific structural features of a lifting drive device for a treadmill in the utility model are as follows: the push tube includes an outer tube and an inner tube, the outer tube is fixed on a fixed base, and the inner tube is embedded in the outer tube. Said screw sleeve is fixed on the telescopic inner tube.

The specific structural feature of the lifting drive device of the treadmill of the utility model is: a guide sleeve is provided on the screw rod in the push tube, and the guide sleeve is located at the end of the screw rod of the inner tube.

The specific structural features of a lifting drive device for a treadmill in the utility model are as follows: the fixed base is a fixed seat with an inner chamber for installation, and an installation connecting piece is also provided on the fixed seat.

The specific structural feature of the lifting drive device of the treadmill of the utility model is that: the installation connector is a raised column with an installation hole.

The beneficial effects of the utility model:

1. The transmission device of the utility model is provided with a two-way control device, which controls the telescopic function of the motor and controls the lifting angle of the treadmill. It has a simple structure and is easy to operate.

2. The two-way control device of the present utility model is composed of a speed change gear set installed on a fixed base, a micro switch, a potential controller and a control rotating part, so that the speed change gear set can be driven to rotate while the motor rotates. Then drive and control the rotating parts to control the micro switch and the potentiometer, and control the motor in turn through the micro switch and the potential controller, so that not only the speed or/and stroke of the push rod can be better controlled, but also the automatic control function can be realized. more humane.

3. The control rotating part of the utility model is composed of an upper rotating part and a lower rotating part. The upper rotating part and the lower rotating part are connected through gears. When in use, the upper and lower rotating parts can adjust the stagger of the upper and lower protrusions. The micro switch is used to control the distance, and then automatically controls the pushing stroke of the push rod, and adjusts the lifting angle of the treadmill. It is easy to use and easy to operate, and can be used for various types of treadmill lifting functions.

4. The fixing seat of the utility model is also provided with an installation connector, which is a raised column with a mounting hole. When in use, the utility model is installed on the mounting frame of the treadmill through the through hole, and the installation is more convenient. It is convenient, and it can avoid the installation error, the telescopic force is not in a straight line, so that the lifting performance is more stable.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Figure 2 is a schematic diagram of the assembly of the utility model.

Figure 3 is an exploded view of the utility model.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figures 1 to 3, a treadmill lifting drive device includes a fixed base 1, a motor 2 and a push rod 3 installed on the fixed base 1, and the motor 2 drives the push rod through a transmission device 4. The rod 3 realizes the lifting function of the treadmill. The transmission device 4 is installed on the fixed base 1. The transmission device 4 is provided with a two-way control device 5. The two-way control device 5 drives the transmission device 4 to drive the push rod 3 to expand and contract when the motor 2 When moving, the transmission device 4 starts the two-way control device 5 at the same time, and the two-way control device 5 controls the motor 2 to drive the transmission device 4 to drive the push rod 3 to move telescopically. That is, when the motor 2 drives the transmission device 4 to drive the push rod 3 to telescopically move, the two-way control device 5 controls the motor 2 to drive the transmission device 4 to drive the push rod 3 to extend or shrink.

The concrete structure of above-mentioned treadmill ascension driving device is:

The two-way control device 5 is composed of a speed change gear set 51 installed on the fixed base 1, a micro switch 52, a potential controller 53 and a control rotating member 54; The position is driven by the motor 1 to rotate the transmission device 4; the control circuit of the micro switch 52 is connected with the potential controller 53, which is the control switch of the potential controller 53; the control circuit of the potential controller 53 is connected with the potential controller 53 The motor 2 is connected, and is used to control the speed or/and stroke that the motor 2 drives the transmission device 4 to drive the push rod 3; Drive the rotation, the control rotating part 54 is used to open the micro switch 52, the micro switch 52 controls the motor 2 to drive the transmission device 4 to drive the push rod 3 to realize the lifting function. The transmission gear set 51, the potential controller 53 and the control rotating member 54 are respectively provided with transmission gears, and the transmission gears make the transmission gear set 51, the potential controller 53 and the control rotating member 54 mutually connected and controlled. When the motor 2 rotates, it also drives the speed change gear set 15 to rotate, and then drives the control rotating member 54 to control the microswitch 52 and the potentiometer 53, thereby controlling the pushing speed or/and pushing stroke of the push rod 3. In order to improve the performance of the motor 2, a temperature controller is provided on the motor 2.

Further, there are two microswitches 52, and the two microswitches 52 are distributed and fixed up and down. The control rotating part 54 is a rotating part provided with a vertically staggered distribution protrusion 541, and the rotating part is vertically distributed. The protrusions 541 are corresponding to the micro switches 52 distributed up and down respectively, so that the upper and lower protrusions 541 respectively control the opening work of the micro switches 52 distributed up and down, thereby controlling the extension or contraction function of the push rod 3, specifically , the upper protrusion corresponds to the start button 522 of the upper micro switch to control the extension function of the push rod, and the lower protrusion corresponds to the start button 522 of the lower micro switch to control the retraction function of the push rod. , among the two microswitches, one microswitch is to control the extension of the longest required stroke, then stop the operation of the main motor, that is, when the push rod 3 extends to the longest position, the motor 2 stops , the other microswitch is opposite, is to stop the main motor running after controlling the shortest required stroke of indentation, that is, when the push rod 3 stretches out to the shortest position, the motor 2 stops running.

The control rotating part 54 is composed of an upper rotating part 55 and a lower rotating part 56. The protrusion 541 above it is arranged on the upper rotating part 55, and the protrusion 541 below it is arranged on the lower rotating part 56. The rotating part 55 and the lower rotating part 56 are connected through gears, and the upper rotating part 55 and the lower rotating part 56 are connected and fixed by a screw 57. The transmission gear for controlling the rotating part 54 is arranged on the outside of the lower rotating part 56 to drive with the potentiometer 53. The gear transmission connection, in application, can be adjusted by adjusting the staggered position of the upper and lower rotating parts 55 and 56 to adjust and control the staggered distance of the protrusions 541 distributed up and down on the rotating part 54, thereby adjusting the upper and lower micro switches 52. Control the gap, and then adjust the telescopic stroke of the push rod 3, so as to better adjust the lifting angle of the treadmill, and is suitable for treadmills of various models, sizes and different lifting angles.

Described transmission device 4 is made up of pinion 21 on the motor 2, gear 31 on the push rod 3 and transmission gear 6 between pinion 21 and gear 31, and the tooth of described pinion 21 is helical tooth, and described The transmission gear 6 is provided with helical teeth correspondingly engaged with the helical teeth of the pinion shaft 21; the pinion shaft 21 drives the gear 31 of the push rod 3 to rotate through the transmission gear 6, so as to realize the telescopic function of the push rod 3 up and down.

The push rod 3 is composed of a screw rod 32 and a push tube 33, and a screw sleeve 34 is fixed on the push tube 33; Rotate to realize the passive telescopic movement of the push tube 33. Specifically, the push tube 33 includes an outer tube 331 and an inner tube 332, the outer tube 331 is fixed on the fixed base 1, the inner tube 332 is embedded in the outer tube 331, and the screw sleeve 34 is fixed on the On the telescopic inner tube 331. Also be provided with a guide sleeve 333 on the screw rod 32 in the push tube 33, this guide sleeve 333 is positioned at the screw rod end of inner tube 332, and this guide sleeve 333 makes push rod 32 more stable when stretching and pushing in inner tube 332, can effectively Improve its telescoping capabilities.

The fixing base 1 is a fixing base with a mounting cavity 11 , and a mounting connector 12 is provided on the fixing base, and the mounting connector 12 is a protruding post 122 with a mounting hole 121 . The fixed base 1 can be better and more conveniently installed on the mounting frame of the treadmill by using the raised column 122 with the mounting hole 121, so as to better improve the lifting performance.

Claims (10)

1. A treadmill hoisting driving device, comprising a fixed base (1) and a motor (2) and a push rod (3) installed on the fixed base (1), the motor (2) is passed through a transmission The device (4) drives the push rod (3) to realize the lifting function of the treadmill. It is characterized in that: the transmission device (4) is installed on the fixed base (1), and the transmission device (4) is provided with a two-way control device ( 5), when the motor (2) drives the transmission device (4) to drive the telescopic movement of the push rod (3), the bidirectional control device (5) controls the motor (2) to drive the transmission device (4) to drive Push rod (3) stretches out or retracts motion. 2. A treadmill lifting drive device according to claim 1, characterized in that: the two-way control device (5) consists of a gear set (51) mounted on the fixed base (1), a micro switch (52), potentiometer (53) and control rotating part (54) form; The speed change gear set (51) is located at the corresponding position of the transmission device (4), and the rotation of the transmission device (4) is driven by the motor (1) to rotate; The control circuit of the microswitch (52) is connected with the potential controller (53), and is the control switch of the potential controller (53); The control circuit of the potentiometer (53) is connected with the motor (2), and is used to control the speed or/and stroke of the push rod (3) driven by the motor (2) driven by the transmission device (4); The control rotating part (54) is located at the corresponding position of the micro switch (52), and the control rotating part (54) is driven to rotate by the speed change gear set (51), and the control rotating part (54) is used to open the micro switch ( 52), the micro switch (52) controls the motor (2) to drive the transmission device (4) to drive the push rod (3) to realize the lifting function; Described speed change gear set (51), potential controller (53) and control rotating member (54) are respectively provided with transmission gear, and this transmission gear makes speed change gear set (51), potential controller (53) and control rotating member (54) Mutual transmission connection control. 3. A treadmill lifting drive device according to claim 2, characterized in that: two micro switches (52) are provided, and the two micro switches (52) are distributed and fixed up and down. The control rotating part (54) described above is a rotating part provided with staggered distribution protrusions (541) up and down. The protrusions (541) respectively control the opening and closing of the microswitches (52) distributed up and down, thereby controlling the extension or contraction function of the push rod (3). 4. A treadmill lifting drive device according to claim 2, characterized in that: the control rotating part (54) is composed of an upper rotating part (55) and a lower rotating part (56), and the upper rotating part (56) The protrusion is arranged on the upper rotating part (55), and the protrusion below it is arranged on the lower rotating part (56). Part (55) and lower rotating part (56) are transferred and fixed by screw rod (57), and the transmission gear of this control rotating part (54) is arranged on the lower rotating part (56) outside and is connected with potential controller (53) transmission gear transmission. 5. A treadmill lifting drive device according to claim 1, characterized in that: the transmission device (4) is composed of the pinion shaft (21) on the motor (2) and the gear on the push rod (3). (31) and the transmission gear (6) between the pinion shaft (21) and the gear (31), the gear (31) of the described pinion shaft (21) drives the push rod (3) to rotate through the transmission gear (6) , to realize the push rod (3) telescopic function up and down. 6. A treadmill lifting drive device according to claim 1, characterized in that: the push rod (3) is composed of a screw (32) and a push tube (33), and is fixed on the push tube (33) There is a screw sleeve (34); the described push rod (3) drives the screw rod (32) to rotate through the motor (2) driving transmission device (4), and the screw rod (3) rotates on the screw sleeve (34) to realize pushing the tube (33) Passive telescopic movement. 7. A treadmill lifting drive device according to claim 6, characterized in that: the push tube (33) includes an outer tube (331) and an inner tube (332), and the outer tube (331) It is fixed on the fixed base (1), the inner tube (332) is embedded in the outer tube (331), and the screw sleeve (34) is fixed on the telescopic inner tube (331). 8. A treadmill lifting drive device according to claim 6, characterized in that: the screw (32) in the push tube (33) is also provided with a guide sleeve (333), the guide sleeve (333 ) at the screw end of the inner tube (332). 9. A treadmill lifting drive device according to claim 1, characterized in that: the fixed base (1) is a fixed base with a mounting cavity (11), and the fixed base is also provided with a mounting Connector (12). 10. A lifting drive device for a treadmill according to claim 9, characterized in that: the installation connector (12) is a raised post (122) with an installation hole (121).