CN103768760B - A kind of health and fitness facilities - Google Patents

Abstract

The invention provides a kind of fitness equipment, which has a load-bearing bar and a plurality of counterweight irons, which includes: a connection and separation mechanism, including a lock plate rotatably arranged on the counterweight irons to clamp and separate the load-bearing bars; Mechanism, including guide rails and slides arranged on the guide rails, and can push the locking piece to rotate one by one; self-locking mechanism, including the self-locking frame arranged on the sliding part and moving with it, the self-locking frame is equipped with self-locking The card slot can rotate around the guide rail; the positioning rod is provided with multiple positioning grooves that can cooperate with the self-locking card slot; the elastic part connecting the sliding part and the self-locking frame; drives the toggle block to move on the guide rail and controls the movement Drive control mechanism for direction and travel distance. In the present invention, by setting the connection and separation mechanism, the selection mechanism, the self-locking mechanism and the drive control mechanism, the number of counterweight irons can be automatically changed, and the user does not need to pull out, align, insert, etc., so that the selection of counterweight irons Quantitative operations are significantly simplified.

Description

a fitness equipment

technical field

The invention relates to the technical field of fitness equipment, and more specifically, relates to a fitness equipment.

Background technique

Among many fitness equipment, various pull-down trainers, arm flexors, leg flexors, abdominal muscle trainers and other equipment suitable for anaerobic exercise are all equipped with multiple counterweight irons to form a counterweight iron group. When exercising, the user can form different exercise loads by selecting different weight iron quantities, and then achieve different exercise effects.

In the prior art, the selection of the number of counterweight irons for fitness equipment is achieved by plugging and unplugging the pins. There is a socket 03 on the iron 01. When it is necessary to select the number of the counterweight iron 01, the user needs to pull out the pin 04 from the socket of the original counterweight iron, and then make it pass through the hole of the counterweight iron to be selected. jack, and insert the bolt 04 into the load-bearing rod 02, so as to form a fixed position between the bolt 04 and the load-bearing rod 02. At this time, the counterweight iron passed by the bolt 04 and other counterweight irons above the counterweight iron are For the selected counterweight iron.

However, in the above process, the user often needs to pull out, align, insert and other actions to complete the selection and change of the number of counterweight irons. The entire operation process is cumbersome, which causes great inconvenience to the user. , which affects the user's experience of using the fitness equipment.

Therefore, how to simplify the operation process of selecting the quantity of counterweight irons is an urgent problem to be solved by those skilled in the art.

Contents of the invention

In view of this, the present invention provides a fitness equipment, which simplifies the operation process of selecting the quantity of counterweight irons, and improves users' satisfaction with the fitness equipment.

In order to achieve the above object, the present invention provides the following technical solutions:

A kind of fitness equipment, this fitness equipment is installed with a plurality of counterweight irons that are passed through by load-bearing bars, and it comprises:

The connection and separation mechanism includes: a locking piece rotatably arranged on the counterweight iron, one end of the locking piece is an operating end protruding from the edge of the counterweight iron, and the other end is provided with a Clamp the bayonet of the load-bearing rod; be arranged on the counterweight iron to position the locking piece so as to prevent the locking piece from rotating relative to the counterweight iron;

A selection mechanism, the selection mechanism includes: a plurality of guide rails arranged parallel to the stacking direction of the counterweight irons; a toggle block that is slidably arranged on the guide rails through a slider and can push the lock pieces to rotate one by one;

A self-locking mechanism, the self-locking mechanism includes: a self-locking frame arranged on the slide and moving along with the slide, the self-locking frame can rotate around the guide rail, and the self-locking frame is provided with There are self-locking slots; positioning rods, and the positioning rods are provided with a plurality of positioning grooves that can cooperate with the self-locking slots to prevent the slider from moving on the guide rail; The sliding part is connected with the self-locking frame to promote the rotation of the self-locking frame, so that one end of the self-locking frame is in contact with the elastic member of the counterweight iron;

A driving control mechanism capable of driving the toggle block to move on the guide rail and controlling the moving direction and moving distance.

Preferably, in the aforementioned fitness equipment with counterweight irons, the plane where the locking piece rotates is parallel to the flat counterweight irons.

Preferably, in the above-mentioned fitness equipment with counterweight irons, the positioning member is a bumper ball, and the locking plate is provided with two locking holes that can be positioned in cooperation with the bumper ball; the bumper ball and the two When one of the clamping holes is matched and positioned, the bayonet and the load-bearing rod are in a locked state, and when the bumper is matched with the other one, the bayonet and the load-bearing rod are in a disengaged state.

Preferably, in the above-mentioned fitness equipment with counterweight irons, there are two guide rails, and each of the guide rails is provided with a toggle block, and the two toggle blocks move synchronously and cooperate to form a relative A guide groove inclined to the guide rail.

Preferably, in the aforementioned fitness equipment with counterweight irons, each of the toggle blocks is provided with a guide hypotenuse that guides the operating end of the locking piece into the guide groove, and the toggle block is not The guide hypotenuses on the top are respectively located at both ends of the guide groove.

Preferably, in the aforementioned fitness equipment with counterweight irons, a roller is provided at one end of the self-locking frame in contact with the counterweight irons, and the self-locking frame contacts the counterweight irons through the rollers.

Preferably, in the aforementioned fitness equipment with counterweight irons, the self-locking frame is connected to the sliding member through a cage fixed on the sliding member.

Preferably, in the aforementioned fitness equipment with counterweight irons, the elastic member is a torsion spring.

Preferably, in the above fitness equipment with counterweight irons, the drive control mechanism includes:

a drive motor arranged on the mounting frame of the selection mechanism, the drive motor can drive the toggle block to reciprocate and slide on the guide rail through a transmission member;

A controller for controlling the start and stop of the drive motor.

Preferably, in the above fitness equipment with counterweight irons, the drive control mechanism includes:

Connecting ropes, the connecting ropes are multiple connected to the toggle block, so as to pull the toggle block to move on the guide rail in different directions;

A manual adjustment device that is connected with the connecting rope, and can pull the shifting block to move through the connecting rope, and can control the moving distance of the shifting block.

The fitness equipment provided by the present invention includes a connection and separation mechanism, a selection mechanism, a self-locking mechanism and a drive control mechanism. Among them, a locking plate is rotatably provided on the counterweight iron, and one end of the locking plate is provided with a bayonet that can be clamped with the load-bearing rod, and the other end is an operating end extending from the edge of the counterweight iron. When the operating end is rotated, The bayonet can be clamped or separated from the load-bearing bar, and the positioning piece can be used to position the lock piece to prevent accidental loosening or accidental clamping of the lock piece and the load-bearing bar.

A guide rail parallel to the stacking direction of multiple counterweight irons, a toggle block is slidably provided on the guide rail through a slider, and when the toggle block moves on the guide rail, it can control the operation end of the locking plate on each counterweight iron Toggle one by one to make the locking piece rotate, and realize the clamping or separating operation of the bayonet socket and the load-bearing rod.

The self-locking frame is arranged on the sliding part, and moves on the guide rail together with the sliding part, and the self-locking frame can rotate around the guide rail, and a self-locking card slot is also opened on the self-locking frame, and the self-locking frame slides along with the sliding block When selecting the number of counterweight irons, one end of the self-locking frame is attached to the side of the counterweight iron, so that the counterweight iron resists and blocks the self-locking frame, so that the self-locking frame cannot continue to rotate around the guide rail. When the counterweight After the operation of selecting the number of irons is completed, the sliding part and the self-locking frame stop moving on the guide rail. After the user pulls up the selected weight iron during exercise, the self-locking frame loses its resistance, and it will be driven by the elastic part. Continue to rotate around the guide rail until the self-locking slot engages with the positioning groove on the positioning rod, and the self-locking frame realizes the positioning of the slider and the toggle block.

When the user needs to reselect the number of counterweight irons, the pulled up counterweight irons will squeeze the self-locking frame and rotate in reverse under the action of its own gravity during the descent process until the self-locking frame returns to At the position before the counterweight iron is pulled up, the self-locking card slot is out of contact with the positioning groove, and the self-locking frame cancels the positioning of the slider and the toggle block. Under the control of the drive control mechanism, the slider and the toggle block can continue to move forward. Slide along the guide rail to toggle the operating end to rotate according to the user's requirements, so as to reselect the number of counterweight irons.

The fitness equipment provided by the present invention can automatically change the quantity of counterweight irons by setting a connection and separation mechanism, a selection mechanism, a self-locking mechanism and a drive control mechanism, and replaces the traditional way of plugging and unplugging the pins by rotating and clamping and disengaging. To select the number of counterweight irons, the user no longer needs to bend down, lower his head to perform multiple actions such as pulling out, aligning, and inserting, which greatly simplifies the operation process of selecting the number of counterweight irons, and improves the user's awareness of fitness equipment. Use satisfaction.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the counterweight iron group that prior art provides;

Fig. 2 is a schematic structural view of the connection and separation device in the fitness equipment provided by the embodiment of the present invention;

Figure 3 is a structural schematic diagram of the cooperation between the selection mechanism and the counterweight iron group

Fig. 4 is a structural schematic diagram of the cooperation of the self-locking mechanism, the selection mechanism and the counterweight iron group;

Fig. 5 is a structural schematic diagram of the cooperation between the drive control mechanism, the self-locking mechanism, the selection mechanism and the counterweight iron group in a specific embodiment;

Fig. 6 is a structural schematic view of the cooperation between the drive control mechanism, the self-locking mechanism, the selection mechanism and the counterweight iron group in another specific embodiment;

Fig. 7 is an exploded schematic diagram of the manual adjustment device in Fig. 6 .

In the above Figures 1-7:

Counterweight iron 01, load-bearing rod 02, socket 03, latch 04;

Counterweight iron 1, locking piece 2, operating end 3, bayonet 4, positioning piece 5, guide rail 6, sliding piece 7, toggle block 8, self-locking frame 9, self-locking slot 10, positioning rod 11, positioning recess Groove 12, elastic member 13, card hole 14, guide groove 15, guide bevel 16, roller 17, cage 18, driving motor 19, transmission member 20, connecting rope 21, front cover 22, rear cover 23, wire reel 24 , Rotating handle 25, depression 26, bearing bar 27.

detailed description

The invention provides a body-building apparatus, which simplifies the operation process of selecting the quantity of counterweight irons and improves users' satisfaction with the use of the body-building apparatus.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in FIGS. 2-7 , the fitness equipment provided by the embodiment of the present invention is equipped with a plurality of counterweight irons 1 passed by the load-bearing rod 27, which includes:

The connection and separation mechanism includes: a lock plate 2 rotatably arranged on the counterweight iron 1, one end of the lock plate 2 is the operating end 3 protruding from the edge of the counterweight iron 1, and the other end is provided with a lock that can be locked. The bayonet 4 of the tight load-bearing rod 27; the positioning member 5 that is arranged on the counterweight iron 1 to position the locking piece 2 to prevent the locking piece 2 from rotating relative to the counterweight iron 1;

A selection mechanism, which includes: a guide rail 6 arranged parallel to the stacking direction of a plurality of counterweight irons 1; a toggle block 8 that is slidably arranged on the guide rail 6 through a slider 7, and can push the locking pieces 2 to rotate one by one;

Self-locking mechanism, this self-locking mechanism comprises: be arranged on the sliding part 7, and the self-locking frame 9 that moves along with sliding part 7, self-locking frame 9 can rotate around the guide rail 6 of selection mechanism, and is provided with on the self-locking frame 9 Self-locking slot 10; positioning bar 11, positioning bar 11 is provided with a plurality of can cooperate with self-locking slot 10, to stop the positioning groove 12 that slide 7 moves on guide rail 6; 7 is connected with the self-locking frame 9 to promote the rotation of the self-locking frame 9, so that one end of the self-locking frame 9 contacts the elastic member 13 with the counterweight iron 1;

A driving control mechanism capable of driving the toggle block 8 to move on the guide rail 6 and controlling the moving direction and moving distance.

The fitness equipment provided in this embodiment includes a connection and separation mechanism, a selection mechanism, a self-locking mechanism and a drive control mechanism. Wherein, a locking piece 2 is arranged on the counterweight iron 1 , and the locking piece 2 can rotate on the counterweight iron 1 . When it is necessary to change the quantity of the counterweight iron 1 fixed on the load-bearing rod 27, it is only necessary to rotate the operating end 3 to make the locking plate 2 rotate relative to the counterweight iron 1, and then make the bayonet 4 close to the load-bearing rod 27, and be connected with the load-bearing The rod 27 is clamped. At this time, the positioning member 5 positions the locking piece 2, so that the locking piece 2 will not accidentally disengage from the load-bearing rod 27 due to external force. operation, the purpose of selecting the quantity of counterweight iron 1 can be realized.

A guide rail 6 arranged parallel to the stacking direction of a plurality of counterweight irons 1, a toggle block 8 is slidably arranged on the guide rail 6 through a slider 7, and when the toggle block 8 moves on the guide rail 6, each counterweight iron The operating ends 3 of the locking pieces 2 on the 1 are toggled one by one, so that the locking pieces 2 are rotated to realize the clamping or separating operation of the bayonet 4 and the load-bearing rod 27 .

The self-locking frame 9 is arranged on the slider 7, and moves on the guide rail 6 together with the slider 7, and the self-locking frame 9 can rotate around the guide rail 6, and a self-locking card slot 10 is also provided on the self-locking frame 9, When the self-locking frame 9 slides with the sliding block to select the quantity of the counterweight iron 1, one end of the self-locking frame 9 fits with the side of the counterweight iron 1, so that the counterweight iron 1 interferes with the self-locking frame 9, The self-locking frame 9 cannot continue to rotate around the guide rail 6. After the operation of selecting the number of the counterweight iron 1 is completed, the slider 7 and the self-locking frame 9 stop moving on the guide rail 6, and the user will select the counterweight when exercising. After the iron 1 is pulled up, the self-locking frame 9 loses its resistance, and it will continue to rotate around the guide rail 6 under the drive of the elastic member 13 until the self-locking slot 10 engages with the positioning groove 12 on the positioning rod 11, and the self-locking The frame 9 has realized the positioning of the slider 7 and the toggle block 8 .

When the user needs to re-select the quantity of the counterweight iron 1, the pulled up counterweight iron 1 will press the self-locking frame 9 and rotate in reverse under the action of its own gravity in the process of falling until the self-locking The frame 9 returns to the position before the counterweight iron 1 is pulled up, the self-locking slot 10 is out of contact with the positioning groove 12, and the self-locking frame 9 releases the positioning of the slider 7 and the toggle block 8, and the control of the drive control mechanism Next, the slider 7 and the toggle block 8 can continue to slide along the guide rail 6 to toggle the operating end 3 to rotate according to the user's requirements, and then reselect the quantity of the counterweight iron 1 .

The fitness equipment provided in this embodiment can automatically change the number of counterweight irons 1 by setting a connection and separation mechanism, a selection mechanism, a self-locking mechanism, and a drive control mechanism, and replaces the traditional plug-in and pull-out method by rotating, clamping and disengaging. The number of counterweight irons 1 is selected by means of pins, and the user no longer needs to bend down, lower his head to perform multiple actions such as pulling out, aligning, and inserting, which greatly simplifies the operation process of selecting the number of counterweight irons 1, and improves the user's Satisfaction with the use of fitness equipment.

In order to further optimize the above-mentioned technical solution, in the fitness equipment provided in this embodiment, the plane where the locking plate 2 rotates is parallel to the flat weight iron 1 . As shown in Figure 2, in this embodiment, the locking piece 2 is preferably arranged parallel to the top surface of the counterweight iron 1, so that multiple counterweight irons 1 can be stacked to cover the locking piece 2 between different counterweight irons 1 time, so that the overall appearance is more beautiful, and at the same time, the bayonet 4 can better clamp the load-bearing rod 27. On the basis of the above arrangement, the plane on which the locking plate 2 is located when it rotates is also parallel to the top surface of the counterweight iron 1 .

Specifically, the positioning member 5 is a bead, and the locking plate 2 is provided with two locking holes 14 that can be positioned in cooperation with the bead. In this embodiment, the rotating locking piece 2 is preferably positioned by means of the bumper ball and the locking hole 14 . Of course, other structures can also be used to achieve the relative fixing of the counterweight iron 1 and the locking piece 2 .

Preferably, when the bead is positioned with one of the two locking holes 14, the bayonet socket 4 and the load-bearing rod 27 are in a clamped state, and when the bead is positioned with the other, the bayonet socket 4 is disengaged from the load-bearing rod 27 state. In this embodiment, there are two clamping holes 14, and when the two clamping holes 14 are respectively positioned in cooperation with the touch beads, they correspond to the clamped and disengaged states of the bayonet socket 4 and the load-bearing rod 27, even if the locking piece 2 can It is in the two positions of "open" and "locked", so as to avoid accidental rotation of the locking plate 2 and affect the clamping and disengaging effect of the bayonet 4 and the load-bearing rod 27 .

Further, the load-bearing bar 27 is provided with a plurality of slots (not shown in FIG. 2 ) that can be engaged with the bayonet socket 4 . In this embodiment, the relative fixing of the counterweight iron 1 and the load-bearing rod 27 is realized by clamping the bayonet 4 to the load-bearing rod 27, so a plurality of slots evenly distributed in the axial direction are arranged on the load-bearing rod 27, which can The clamping effect between the bayonet port 4 and the card slot is further improved.

As shown in FIG. 2 , the locking piece 2 is arranged on the counterweight iron 1 through a rotating shaft. The locking piece 2 is rotatably arranged on the counterweight iron 1, and there are many ways to realize it. The use of a rotating shaft to connect the locking piece 2 and the counterweight iron 1 is because the rotating shaft bears both bending moment and torque, which is more suitable for this application. The application environment of the embodiment provides sufficient connection strength for the locking piece 2 to clamp the load-bearing rod 27 and for the lock piece 2 to drive the weight iron 1 to move together with the load-bearing rod 27 .

In the fitness equipment provided in this embodiment, there are two guide rails 6, and each guide rail 6 is provided with a toggle block 8, and the two toggle blocks 8 move synchronously and cooperate to form a guide groove 15 inclined relative to the guide rail 6 . In this embodiment, the structure of the toggle block 8 can be arranged in various ways, wherein a more preferred solution is the structure shown in Figure 3, that is, two guide rails 6 are set, and each guide rail 6 is provided with a toggle block 8. The two shifting blocks 8 move synchronously on the two guide rails 6, so that the relative positions of the two shifting blocks 8 will not change, and the state of forming the guide groove 15 will always be maintained. The direction of extension of the guide groove 15 remains inclined relative to the vertically arranged guide rail 6. When the two toggle blocks 8 move up and down on the guide rail 6, the operating ends 3 of the plurality of lock plates 2 on different counterweight irons 1 will be sequentially Entering the guide groove 15, since the guide groove 15 is inclined relative to the guide rail 6, so when the toggle block 8 moves, the operating end 3 will pass through the guide groove 15 along the inclined path formed by the guide groove 15, as shown in Figure 3, During this process, the operating end 3 will rotate relative to the counterweight iron 1, and then the bayonet 4 on the locking piece 2 will be locked or disengaged from the load-bearing rod 27, so as to finally realize the selection of the quantity of the counterweight iron 1.

Preferably, each toggle block 8 is provided with a guide bevel 16 that guides the operating end 3 of the locking piece 2 into the guide groove 15, and the guide bevels 16 on different toggle blocks 8 are respectively located at the ends of the guide groove 15. both ends, as shown in Figure 3. The positions of the guide grooves 15 formed by the cooperation of the two shifting blocks 8 correspond to the operating ends 3 of all lock pieces 2 in the horizontal direction, and during the movement of the shifting blocks 8, in order to further ensure that each operating end 3 can Smoothly enter the guide groove 15, guide bevels 16 are set on the two toggle blocks 8, so as to guide the operating end 3 that has not entered the guide groove 15, so as to be introduced into the guide groove 15 middle.

Further, in order to enable the toggle block 8 to guide the operating end 3 when it moves up and down (the movement in the up and down directions corresponds to the detachment and clamping operation of the lock plate 2 to the load-bearing rod 27 respectively), the present embodiment Make the guide slopes 16 on different toggle blocks 8 respectively located at both ends of the guide groove 15 , as shown in FIG. 3 .

Specifically, the guide rail 6 is a guide rod, and the toggle block 8 is arranged on the guide rod through a linear bearing. In the process of specific implementation of the technical solution, there are many options for the setting structure of the slide rail and the slider (such as a screw and a nut, etc.). In this embodiment, the guide rail 6 is preferably a guide rod, and the slider is a linear bearing, because its structure It is relatively simple and cheap, and is more suitable for the installation environment of this embodiment, and can better meet the working requirements of the fitness equipment provided by this embodiment with the weight iron 1 .

As shown in FIG. 4 , the end of the self-locking frame 9 in contact with the counterweight iron 1 is provided with a roller 17 , and the self-locking frame 9 contacts the counterweight iron 1 through the roller 17 . The self-locking frame 9 is contacted with the counterweight iron 1 by setting the roller 17, which can make the self-locking frame 9 rotate more flexibly and gently, reduce the friction with the surface of the counterweight iron 1, and avoid the self-locking frame 9 from contacting the counterweight iron 1. The stuck phenomenon occurs between heavy iron 1. Of course, the self-locking frame 9 can also directly contact the counterweight iron 1 or realize contact through other smooth structures.

Specifically, the self-locking frame 9 is connected to the sliding member 7 through a cage 18 fixed on the sliding member 7, as shown in FIG. 4 . In order to improve the connection strength between the self-locking frame 9 and the sliding part 7, and also to reduce the impact on the normal operation of the sliding part 7 due to the setting of the self-locking frame 9, this embodiment covers the cage 18 of the sliding part 7 Connect self-locking frame 9, it is preferred technical scheme. On the premise of not affecting the normal operation of the self-locking frame 9 and the sliding part 7, the self-locking frame 9 can also realize the connection with the sliding part 7 through other structures.

Preferably, the elastic member 13 is a torsion spring. As shown in Figure 4, the function of the elastic member 13 is to drive the self-locking frame 9 to rotate around the guide rail 6, so the elastic member 13 is preferably a torsion spring, which can better meet the work requirements and is more suitable for the installation environment of this embodiment.

Further preferably, the positioning rod 11 is arranged parallel to the guide rail 6 and is fixedly connected to the mounting bracket of the selection mechanism, as shown in FIG. 4 . This arrangement allows the self-locking frame 9 to be installed and rotated in a direction perpendicular to the guide rail 6, so that the self-locking frame 9 is vertically engaged with the positioning rod 11 to achieve the best positioning effect.

Specifically, the drive control mechanism includes: a drive motor 19 arranged on the mounting frame of the selection mechanism, which can drive the toggle block 8 to slide back and forth on the guide rail 6 through the transmission member 20; control the start and stop of the drive motor 19 device (not shown in Figure 6), as shown in Figure 5. In this embodiment, a motor capable of forward and reverse rotation is selected as the driving device for the slider 7 and the toggle block 8, so as to realize the automatic movement of the slider 7 and the toggle block 8, which improves the intelligence of the fitness equipment. Wherein, the driving motor 19 drives the movement of the sliding member 7 and the toggle block 8 on the guide rail 6 through a flexible transmission member 20 (such as a transmission belt), and the controller can control according to the selected quantity of the counterweight iron 1 input by the user. The moving direction and moving distance of the slider 7 and the toggle block 8, when the slider 7 and the toggle block 8 are moved in place (that is, the number of the selected counterweight iron 1 is consistent with the number input by the user), the controller controls the drive The motor 19 stops working, and when the user inputs the selected quantity of the counterweight iron 1 again, the controller controls the drive motor 19 to start working to drive the toggle block 8 to move and toggle the locking piece 2 to realize the resetting of the counterweight iron 1 quantity. choose.

In addition, in addition to the above-mentioned automatic control mode, the drive control mechanism can also be set to a manual control mode, that is, the drive control mechanism includes: a connecting rope 21 and a manual adjustment device, wherein the connecting rope 21 is connected to the toggle block 8 connected multiple, to pull the toggle block 8 to move on the guide rail 6 in different directions; the manual adjustment device is connected to the connecting rope 21, and can pull the toggle block 8 to move through the connecting rope 21, and can also control the toggle block 8 The moving distance is shown in Figure 6.

Specifically, the manual adjustment device is shown in Figure 7, which includes a housing with a scale (including a front cover 22 and a rear cover 23), a wire reel 24 located inside the housing, and a wire reel 24 connected to indicate the rotation of the scale. handle 25. The scale on the shell indicates the selected quantity of the counterweight iron 1, and the inner coil 24 is used for winding the connecting rope 21. When the user changes the quantity of the counterweight iron 1, he only needs to rotate the handle 25 to point to the required counterweight iron 1. quantity, in the process of turning the handle 25, it will drive the reel 24 to rotate, and then pull the connecting rope 21, so that the slider 7 and the toggle block 8 will slide correspondingly (including the sliding direction and sliding distance), and then through the dial The moving lock piece 2 connects the counterweight iron 1 of the number corresponding to the scale on the load-bearing rod 27 . In this embodiment, the connecting rope 21 is specifically a steel wire rope.

Further, a plurality of depressions 26 are uniformly arranged on the wire reel 24 along its circumference, and a protrusion (not shown in FIG. Specifically, it is preferably a bumper ball, so that the wire reel 24 can have the smallest rotation angle during the rotation process, so as to form a series of relatively fixed rotation positions, thereby corresponding to the number of counterweight irons 1 with different numbers.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. a health and fitness facilities, this health and fitness facilities is provided with the multiple balance weight irons that passed by bearing bar (27)(1), it is characterized in that, comprising:

Connection separation mechanism, this connection separation mechanism comprises: the rotating described balance weight iron (1) that is arranged onOn locking plate (2), one end of described locking plate (2) is the operating side of stretching out described balance weight iron (1) edge(3), on the other end, offer the bayonet socket (4) that can clamp described bearing bar; Be arranged on described counterweightIron (1) is upper, positions to stop described locking plate (2) with respect to described counterweight to described locking plate (2)The keeper that iron (1) rotates;

Selection mechanism, this selection mechanism comprises: be arranged in parallel with multiple described balance weight irons (1) stacked directionGuide rail (6); Slidably be arranged on described guide rail (6) by sliding part (7) upper, and can be byThe slide block (8) that the described locking plate of individual promotion (2) rotates;

Self-locking mechanism, this self-locking mechanism comprises: be arranged on described sliding part (7) upper, and in company with described cunningThe self-locking frame (9) that moving part (7) is mobile, described self-locking frame (9) can rotate around described guide rail (6),And on described self-locking frame (9), offer self-locking draw-in groove (10); Backstay (11), described backstay (11)On be provided with multiple can cooperation with described self-locking draw-in groove (10), to stop described sliding part (7) in instituteState the detent (12) being moved on guide rail (6); Two ends respectively with described sliding part (7) andDescribed self-locking frame (9) connects, and promoting described self-locking frame (9) rotation, makes described self-locking frame (9)The elastic component (13) that one end contacts with described balance weight iron (1);

Can drive described slide block (8) upper mobile at described guide rail (6), and can control movement sideTo with the driving controlling organization of displacement.

2. health and fitness facilities according to claim 1, is characterized in that, described locking plate (2) rotatesTime place plane, parallel with flat described balance weight iron (1).

3. health and fitness facilities according to claim 1, is characterized in that, described keeper (5) isCollision bead, offers two hole clippings (14) that can coordinate with described collision bead location on described locking plate (2);Described collision bead coordinates when location with the one in two described hole clippings (14), described bayonet socket (4) with described inBearing bar (27) is in gripping orientation, and described collision bead coordinates with another one while location, described bayonet socket (4)With described bearing bar (27) in disengaged position.

4. health and fitness facilities according to claim 1, is characterized in that, described guide rail (6) is twoIndividual, and on each described guide rail (6), be provided with a described slide block (8), described in two, stirPiece (8) synchronizing moving also coordinates the gathering sill (15) forming with respect to described guide rail (6) inclination.

5. health and fitness facilities according to claim 4, is characterized in that, each described slide block (8)On be provided with described operating side (3) introduced to the guiding hypotenuse (16) in described gathering sill (15),And the described guiding hypotenuse (16) on different described slide blocks (8) lays respectively at described gathering sill (15)Two ends.

6. health and fitness facilities according to claim 1, is characterized in that, described self-locking frame (9) withOne end of described balance weight iron (1) contact is provided with roller (17), described in described self-locking frame (9) passes throughRoller (17) contacts with described balance weight iron (1).

7. health and fitness facilities according to claim 1, is characterized in that, described self-locking frame (9) is logicalCrossing the retainer (18) being fixed on described sliding part (7) is connected with described sliding part (7).

8. according to the health and fitness facilities described in any one in claim 1-7, it is characterized in that described bulletProperty part (13) is torsionspring.

9. health and fitness facilities according to claim 1, is characterized in that, drives controlling organization to comprise:

Be arranged on the drive motors (19) on the installing rack of described selection mechanism, described drive motors (19)Can drive described slide block (8) to reciprocatingly slide on described guide rail (6) by driving member (20);

Control the controller of described drive motors (19) start and stop.

10. health and fitness facilities according to claim 1, is characterized in that, drives controlling organization to comprise:

Connection cord (21), described connection cord (21) is many that are all connected with described slide block (8),To pull described slide block (8) upper mobile at described guide rail (6) along different directions;

Be connected with described connection cord (21), and stir described in can pulling by described connection cord (21)Piece (8) is mobile, and can control the manual regulating device of described slide block (8) displacement.