TW201532644A - Fitness machine - Google Patents

Abstract

The invention provides a fitness machine. The fitness machine comprises bearing rods and a plurality of counter weight irons and further comprises a connection and separation mechanism. The selection mechanism comprises guide rails and a moving block which is arranged on the guide rails and can push the locking pieces to rotate one by one, the self-locking mechanism comprises a self-locking frame, the self-locking frame is arranged on a sliding member, moves with the sliding member, is provided with a self-locking clamping groove and can rotate around the guide rails, the positioning rod is provided with a plurality of positioning grooves capable of matching with the self-locking clamping groove, the elastic member is used for connecting the sliding member and the self-locking frame, and the actuating and control mechanism is used for driving the moving block to move on the guide rails and controlling the movement direction and distance. According to the fitness machine, the connection and separation mechanism, the selection mechanism, the self-locking mechanism and the actuating and control mechanism are arranged for automatically changing the number of the counter weight irons, so that a user can omit operations such as pulling out, alignment and insertion, and the operation process for selecting the number of the counter weight irons is simplified significantly.

Description

Fitness equipment

The present invention relates to the field of fitness equipment technology, and more particularly to a fitness apparatus.

Among the many fitness equipments, various pull-down exercisers, arm flexors, leg flexors, abdominal muscle trainers, etc., which are suitable for anaerobic exercise, are equipped with a plurality of weight irons to form a weight iron group. When exercising, you can achieve different exercise effects by selecting different weights of iron to form different exercise loads.

In the prior art, the selection of the weight of the weight of the fitness equipment is realized by the insertion and removal of the bolt. Specifically, as shown in FIG. 1 , the plurality of weight irons 01 are all passed by a load-bearing rod 02, and each weight iron 01 is provided with a jack 03. When the number of counterweight irons 01 needs to be selected, the user needs to pull the latch 04 out of the jack of the original heavy iron and then pass it through the jack of the weight to be selected. The hole and the pin 04 are inserted into the load-bearing rod 02, so that the latching position of the pin 04 and the load-bearing rod 02 is fixed. At this time, the weight iron which is passed by the bolt 04 and the other weight iron located above the weight iron are The weight of the selected iron.

However, in the above process, the user often needs to perform multiple actions such as pulling out, aligning, inserting, etc. to complete the selection and change of the weight of the weight iron, and the whole operation process is cumbersome, thereby causing great inconvenience to the user. It affects the user's feeling of using the fitness equipment.

Therefore, how to simplify the operation process of selecting the number of weight irons is currently in the field. The problem that technicians need to solve.

In view of this, the present invention provides an exercise machine that simplifies the operation process of selecting the number of weight irons and improves the user's satisfaction with the use of the fitness equipment.

In order to achieve the above object, the present invention provides the following technical solution: an exercise machine equipped with a plurality of weight irons passed by a load-bearing rod, comprising: a connection separation mechanism, the connection separation mechanism comprising: a rotatable setting a locking piece on the weight iron, one end of the locking piece is an operating end extending from the edge of the weight iron, and the other end is provided with a bayonet capable of clamping the load-bearing rod; a positioning member for positioning the locking piece to prevent rotation of the locking piece relative to the weight iron; and a selecting mechanism comprising: parallelizing a stacking direction of the plurality of weight irons a guide rail slidably disposed on the guide rail by a sliding member, wherein the cymbal can push the toggle block that rotates the lock piece one by one; the self-locking mechanism includes: disposed on the sliding member, a self-locking frame on which the sliding member moves, the self-locking frame is rotatable around the guiding rail, and the self-locking frame is provided with a self-locking card slot; a positioning rod, and the positioning rod is provided with a plurality of The self-locking card slot fits a positioning groove for preventing the sliding member from moving on the guide rail; two ends are respectively connected with the sliding member and the self-locking frame to push the self-locking frame to rotate, so that the self-locking frame is An elastic member that is in contact with the weight iron at one end; a drive control mechanism capable of driving the dial block to move on the guide rail and capable of controlling a moving direction and a moving distance.

Preferably, in the above-mentioned exercise machine with counterweight iron, the plane in which the locking piece rotates is parallel to the flat weight of the weight.

Preferably, in the above-mentioned fitness equipment with weight iron, the positioning member is a ball, and the locking piece is provided with two card holes which can be positioned and matched with the ball; the ball and the two are described. When one of the card holes is engaged with the positioning, the bayonet and the load-bearing rod are in a state of being clamped, and when the ball is engaged with the other, the bayonet and the load-bearing rod are in a disengaged state.

Preferably, in the above-mentioned exercise machine with weight iron, the guide rails are two, and each of the guide rails is provided with one of the dialing blocks, and the two of the dialing blocks are synchronously moved and configured to be opposite. a guide groove inclined to the guide rail.

Preferably, in the above-mentioned exercise machine with weight iron, each of the dial blocks is provided with a guiding bevel to introduce the operating end of the locking piece into the guiding groove, and the dialing block is different. The guiding bevels on the upper side are respectively located at two ends of the guiding groove.

Preferably, in the above-mentioned fitness equipment with weight iron, one end of the self-locking frame contacting the weight iron is provided with a roller, and the self-locking frame is in contact with the weight iron through the roller.

Preferably, in the above-mentioned exercise machine having a weight iron, the self-locking frame is connected to the sliding member by a holder fixed to the sliding member.

Preferably, in the above exercise machine with weight iron, the elastic member is a torsion spring.

Preferably, in the above-described exercise machine having a weight iron, the drive control mechanism includes: a drive motor disposed on a mounting bracket of the selection mechanism, the drive motor The driving block can be driven to reciprocally slide on the guide rail by a transmission member; and the controller for controlling the start and stop of the driving motor is controlled.

Preferably, in the above-mentioned exercise machine with weight iron, the drive control mechanism comprises: a connecting rope, wherein the connecting rope is a plurality of connected to the dialing block, so as to pull the dialing block in different directions. Moving on the guide rail; connecting with the connecting rope, the manual adjusting device capable of pulling the toggle block by the connecting rope and controlling the moving distance of the dial block.

The fitness equipment provided by the invention comprises a connection separation mechanism, a selection mechanism, a self-locking mechanism and a drive control mechanism. Wherein, the lock iron is rotatably disposed on the weight iron, and one end of the lock piece is provided with a bayonet lockable with the load-bearing rod, and the other end is an operation end extending from the edge of the weight iron, when the operation end is rotated, The bayonet can be clamped or separated from the load-bearing rod, so that the positioning member can position the locking piece to prevent the locking piece and the load-bearing rod from being accidentally loosened or accidentally clamped.

a guide rail disposed parallel to the stacking direction of the plurality of weight irons, wherein the guide rail is slidably provided with a dial block through the sliding member, and the dialing block can be operated on the locking piece of each weight iron when moving on the rail The shifting is performed one by one to rotate the locking piece to realize the clamping or separating operation of the bayonet and the load-bearing rod.

The self-locking frame is disposed on the sliding member, and the sliding member moves along the sliding member, and the self-locking frame can rotate around the guiding rail, and the self-locking frame is further provided with a self-locking card slot, and the self-locking frame slides along with the sliding block. When the number of weight irons is selected, one end of the self-locking frame is attached to the side of the weight iron, so that the weight iron resists the self-locking frame, so that the self-locking frame cannot continue to rotate around the guide rail, when the weight is After the operation of the iron quantity selection is completed, the slider 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 blocking, and continues to rotate around the guide rail under the driving of the elastic member until the self-locking card slot and the positioning rod are positioned concavely. The slot is engaged, and the self-locking frame realizes positioning of the sliding member and the dialing block.

When the user needs to re-select the quantity of the weight iron, the pulled weight iron is in the process of descending, and under the action of its own gravity, it will squeeze the reverse rotation of the self-locking frame until the self-locking frame is restored to The position of the counterweight iron before pulling up, the self-locking card slot is out of contact with the positioning groove, and the self-locking frame cancels the positioning of the sliding member and the dialing block, and under the control of the driving control mechanism, the sliding member and the dialing block can continue Sliding along the guide rail to rotate the operating end according to the user's request to perform the re-selection of the weight of the counterweight.

The fitness equipment provided by the invention can realize the automatic change of the number of weight irons by setting the connection separation mechanism, the selection mechanism, the self-locking mechanism and the drive control mechanism, and replace the traditional plugging and unloading manner by rotating the clamping and disengaging manner. To select the number of weight irons, the user does not need to bend over, bow down to pull out, align, insert and other actions, so that the operation process of selecting the weight of iron is significantly simplified, and the user's fitness equipment is improved. Use satisfaction.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only Some embodiments of the invention may also be used to obtain other figures from these figures without departing from the art.

Conventional component symbols:

01‧‧‧Heavy iron

02‧‧‧Loading pole

03‧‧‧ socket

04‧‧‧Tram

The symbol of this case:

1‧‧‧Heavy iron

2‧‧‧Locks

3‧‧‧Operator

4‧‧‧ bayonet

5‧‧‧ Positioning parts

6‧‧‧ rail

7‧‧‧Sliding parts

8‧‧‧ Swipe block

9‧‧‧Self-locking frame

10‧‧‧Self-locking card slot

11‧‧‧ Positioning rod

12‧‧‧ positioning groove

13‧‧‧Flexible parts

14‧‧‧Kakong

15‧‧‧ Guide groove

16‧‧‧Directed bevel

17‧‧‧Roller

18‧‧‧Cage

19‧‧‧Drive motor

20‧‧‧ Transmission parts

21‧‧‧Connected rope

22‧‧‧ front cover

23‧‧‧ Back cover

24‧‧‧Wire tray

25‧‧‧Rotating handle

26‧‧‧ dent

27‧‧‧bearing rod

1 is a schematic structural view of a weight iron group provided by the prior art; 2 is a schematic structural view of a connection and separation device in a fitness apparatus according to an embodiment of the present invention; FIG. 3 is a schematic structural view of a selection mechanism and a weight iron group; FIG. 4 is a self-locking mechanism, a selection mechanism, and a weight iron group. FIG. 5 is a schematic structural view showing a driving control mechanism of a specific embodiment in cooperation with a self-locking mechanism, a selection mechanism, and a weight iron group; FIG. 6 is a driving control mechanism and a self-locking mechanism of another specific embodiment; FIG. 7 is an exploded perspective view of the manual adjustment device of FIG. 6 .

The invention provides an exercise machine which simplifies the operation process of selecting the number of weight irons and improves the user's satisfaction with the use of the fitness equipment.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

As shown in FIG. 2 to FIG. 7 , the fitness apparatus provided by the embodiment of the present invention is equipped with a plurality of weight irons 1 that are passed through by the load-bearing rods 27, and includes: a connection separation mechanism, the connection separation mechanism includes: Rotatable locking piece 2 disposed on the weight iron 1, one end of the locking piece 2 is an operating end 3 extending from the edge of the weight iron 1, and the other end is provided with a bayonet 4 capable of clamping the load-bearing rod 27; On the counterweight iron 1, the locking piece 2 is positioned to block the positioning piece 5 of the locking piece 2 relative to the weight iron 1; a selection mechanism comprising: a guide rail 6 disposed in parallel with a stacking direction of the plurality of counterweight irons 1; a slide block 8 slidably disposed on the guide rail 6 by the slide member 7 and capable of pushing the lock piece 2 to rotate one by one; The self-locking mechanism comprises: a self-locking frame 9 disposed on the sliding member 7 and moving along with the sliding member 7, the self-locking frame 9 being rotatable around the guide rail 6 of the selection mechanism, and being provided on the self-locking frame 9 The self-locking card slot 10; the positioning rod 11, the positioning rod 11 is provided with a plurality of positioning grooves 12 which can cooperate with the self-locking card slot 10 to prevent the sliding member 7 from moving on the guide rail 6; 7 and the self-locking frame 9 is connected to push the self-locking frame 9 to rotate, the elastic member 13 of the self-locking frame 9 is in contact with the weight iron 1; the driving block 8 can be driven to move on the guide rail 6, and the movement can be controlled Drive control mechanism for direction and movement distance.

The fitness equipment provided in this embodiment includes a connection separation mechanism, a selection mechanism, a self-locking mechanism, and a drive control mechanism. Among them, a lock piece 2 is provided on the weight iron 1, and the lock piece 2 can be rotated on the weight iron 1. When it is necessary to change the number of the weight irons 1 fixed on the load-bearing rod 27, it is only necessary to rotate the operating end 3 to rotate the locking piece 2 relative to the weight iron 1, thereby bringing the bayonet 4 close to the load-bearing rod 27, smashing and bearing When the rod 27 is clamped, the positioning member 5 positions the locking piece 2 at this time, so that the locking piece 2 does not accidentally disengage from the bearing rod 27 due to an external force, and the above operation or reverse is performed on the locking piece 2 on the different weight irons 1. By operation, the purpose of selecting the weight of the iron 1 can be achieved.

a guide rail 6 disposed in parallel with a stacking direction of a plurality of counterweight irons 1, and a slide block 8 slidably provided on the guide rail 6 by the slider 7, the dial block 8 being capable of being attached to each counterweight iron when moving on the guide rail 6 The operating end 3 of the locking piece 2 on the 1 is toggled one by one to rotate the locking piece 2 to effect the clamping or separating operation of the bayonet 4 and the load-bearing rod 27.

The self-locking frame 9 is disposed on the sliding member 7 and moves along the sliding member 7 on the guide rail 6. The self-locking frame 9 is rotatable around the guide rail 6. The self-locking frame 9 is further provided with a self-locking card slot 10, When the self-locking frame 9 slides along with the sliding block to select the number of the weight irons 1, one end of the self-locking frame 9 is attached to the side surface of the weight iron 1, so that the weight iron 1 interferes with the self-locking frame 9. The self-locking frame 9 can not continue to rotate around the guide rail 6. When the operation of selecting the number of the weight irons 1 is completed, the sliding member 7 and the self-locking frame 9 stop moving on the guide rail 6, and the user selects the matching when exercising. After the heavy iron 1 is pulled up, the self-locking frame 9 loses its blocking, and it will continue to rotate around the guide rail 6 under the driving of the elastic member 13, until the self-locking card slot 10 is engaged with the positioning groove 12 on the positioning rod 11, since The lock frame 9 achieves positioning of the slider 7 and the dial block 8.

When the user needs to re-select the number of the weight iron 1, the pulled weight iron 1 is in the process of descending, and under the action of its own gravity, it will squeeze the self-locking frame 9 to rotate in the reverse direction until the self-locking The frame 9 is restored to the position before the weight iron 1 is pulled up, and the self-locking card slot 10 is disengaged from the positioning groove 12, and the self-locking frame 9 releases the positioning of the sliding member 7 and the dialing block 8, and is controlled by the driving control mechanism. Next, the slider 7 and the dial block 8 can continue to slide along the guide rail 6 to rotate the operation end 3 according to the user's request, thereby performing the reselection of the number of the weight irons 1.

The fitness equipment provided by the embodiment provides automatic connection of the weight of the weight iron 1 by setting the connection separation mechanism, the selection mechanism, the self-locking mechanism and the drive control mechanism, and replaces the traditional insertion and removal by rotating the clamping and disengaging manner. The bolting method selects the number of counterweight irons 1, and the user does not need to bend over, bow down to pull out, align, insert, and the like, so that the operation process of selecting the weight of iron 1 is significantly simplified, and the user is improved. Satisfaction with the use of fitness equipment.

In order to further optimize the above technical solution, in the exercise machine provided by the embodiment, the plane in which the locking piece 2 rotates is parallel to the flat weight iron 1. As shown in Figure 2, this is The embodiment preferably places the locking piece 2 parallel to the top surface of the weight iron 1, so that the plurality of weight irons 1 can be stacked to cover the locking piece 2 between the different weight irons 1 to make the overall shape more uniform. The appearance is also good, and the bayonet 4 can also be better clamped to the load-bearing rod 27. On the basis of the above arrangement, the plane in which the locking piece 2 is located is also parallel to the top surface of the weight iron 1.

Specifically, the positioning member 5 is a ball bump, and the locking piece 2 is provided with two card holes 14 that can be positioned and matched with the ball. In this embodiment, the rotating locking piece 2 is preferably positioned by means of the ball and the hole 14 . Of course, other structures can be used to realize the relative fixing of the weight iron 1 and the locking piece 2 .

Preferably, when the ball is engaged with one of the two card holes 14, the bayonet 4 and the load-bearing rod 27 are in a state of being clamped, and when the ball is engaged with the other, the bayonet 4 is separated from the load-bearing rod 27 status. In this embodiment, the card holes 14 are disposed in two, and when the two card holes 14 are respectively positioned and matched with the ball, respectively, the card mouth 4 and the load-bearing rod 27 are respectively clamped and disengaged, even if the locking piece 2 can The two position states of "opening" and "locking" are used to avoid the accidental rotation of the locking piece 2, which affects the clamping and disengaging effect of the bayonet 4 and the load-bearing rod 27.

Further, the load-bearing rod 27 is provided with a plurality of card slots (not shown in FIG. 2) that can be engaged with the bayonet 4. In this embodiment, the relative fixing of the weight iron 1 and the load-bearing rod 27 is achieved by the clamping of the load-bearing rod 27 by the bayonet 4, so that a plurality of card slots uniformly distributed in the axial direction are disposed on the load-bearing rod 27, Further improve the clamping effect of the bayonet 4 and the card slot.

As shown in FIG. 2, the lock piece 2 is disposed on the weight iron 1 through a rotating shaft. The locking piece 2 is rotatably disposed on the weight iron 1, and can be implemented in various manners. The rotating shaft is used to connect the locking piece 2 and the weight iron 1 because the rotating shaft is subjected to both bending moment and torque, which is more suitable for the implementation. The application environment provides sufficient connection strength for the locking piece 2 to clamp the load-bearing rod 27 and the locking piece 2 to drive the weight iron 1 together with the load-bearing rod 27.

In the fitness apparatus provided in this embodiment, the guide rails 6 are two, and each of the guide rails 6 is provided with a dialing block 8 , and the two dialing blocks 8 synchronously move and cooperate to form a guiding slot 15 inclined with respect to the guide rail 6 . . In this embodiment, the structure of the dial block 8 can be arranged in various manners, wherein a more preferred solution is the structure shown in FIG. 3, that is, two guide rails 6 are disposed, and each of the guide rails 6 is provided with a dialing block 8 The two dial blocks 8 are synchronously moved on the two guide rails 6, so that the relative positions of the two dial blocks 8 are not changed, and the state in which the guide grooves 15 are formed is always maintained. The extending direction of the guiding groove 15 is inclined with respect to the vertically disposed guide rail 6. When the two dialing blocks 8 move up and down on the guide rail 6, the operating ends 3 of the plurality of locking pieces 2 on the different weight irons 1 are sequentially Into the guide groove 15, since the guide groove 15 is inclined with respect to the guide rail 6, when the toggle block 8 moves, the operation end 3 passes through the guide groove 15 along the inclined path formed by the guide groove 15, as shown in FIG. During this process, the operating end 3 will rotate relative to the counterweight iron 1, thereby causing the bayonet 4 on the locking disc 2 to be clamped or disengaged from the load-bearing rod 27 to ultimately achieve the selection of the number of counterweight irons 1.

Preferably, each of the dial blocks 8 is provided with a guiding bevel 16 for guiding the operating end 3 of the locking piece 2 into the guiding slot 15, and the guiding bevel 16 of the different dialing block 8 is respectively located at the guiding slot 15 Both ends, as shown in Figure 3. The position of the guide groove 15 formed by the two dial blocks 8 in the horizontal direction corresponds to the operation end 3 of all the locking pieces 2, and in the process of moving the dial block 8, in order to further ensure that each of the operation terminals 3 can The guide groove 15 is smoothly inserted into the guide groove 15, and the guide bevel 16 is disposed on the two dial blocks 8, thereby guiding the operation end 3 that does not enter the guide groove 15 to introduce it into the guide groove 15. in.

Further, in order to make the dial block 8 move up and down (the movement in the upper and lower directions respectively corresponds to the disengagement and clamping operation of the lock piece 2 to the load-bearing rod 27), the operation end 3 can be guided. The guiding bevels 16 on the different dial blocks 8 are respectively located at the two guiding grooves 15 End, as shown in Figure 3.

Specifically, the guide rail 6 is a guide rod, and the dial block 8 is disposed on the guide rod through a linear bearing. In the specific implementation process, the sliding rail and the slider are arranged in various configurations (for example, a screw and a nut). In this embodiment, the guide rail 6 is preferably a guide rod, and the slider is a linear bearing because the structure is relatively The utility model has the advantages of simple and low price, and is suitable for the installation environment of the embodiment, and can also better meet the working requirements of the fitness equipment with the weight iron 1 provided by the embodiment.

As shown in FIG. 4, one end of the self-locking frame 9 in contact with the weight iron 1 is provided with a roller 17, and the self-locking frame 9 is in contact with the weight iron 1 through the roller 17. By setting the roller 17 to make the self-locking frame 9 contact with the weight iron 1, the self-locking frame 9 can be more flexibly and gently rotated, and the friction with the surface of the weight iron 1 can be reduced, and the self-locking frame 9 can be avoided. A seizure occurred between heavy irons 1. Of course, the self-locking frame 9 can also be in direct contact with the weight iron 1 or through other smooth structures.

Specifically, the self-locking frame 9 is coupled to the slider 7 by a holder 18 fixed to the slider 7, as shown in FIG. In order to increase the connection strength between the self-locking frame 9 and the slider 7, and also to reduce the influence of the self-locking frame 9 on the normal operation of the slider 7, the present embodiment passes the cage 18 covering the slider 7. The self-locking frame 9 is connected, which is a preferred technical solution. The self-locking frame 9 can also be connected to the sliding member 7 by other structures without affecting the normal operation of the self-locking frame 9 and the sliding member 7.

Preferably, the elastic member 13 is a torsion spring. As shown in FIG. 4, the elastic member 13 functions to drive the self-locking frame 9 to rotate around the guide rail 6. Therefore, it is preferable that the elastic member 13 is a torsion spring, which can better meet the working requirements and is also suitable for the installation environment of the embodiment.

Further preferably, the positioning rod 11 is disposed in parallel with the guide rail 6 and fixedly coupled to the mounting bracket of the selection mechanism, as shown in FIG. This arrangement can make the self-locking frame 9 hang down Installed and rotated directly in the direction of the guide rail 6, so that the self-locking frame 9 and the positioning rod 11 are vertically engaged to achieve an optimal positioning effect.

Specifically, the drive control mechanism includes: a drive motor 19 disposed on the mounting bracket of the selection mechanism, the drive motor 19 can drive the dial block 8 to reciprocate on the guide rail 6 through the transmission member 20; and control the start and stop of the drive motor 19 (not shown in Figure 6), as shown in Figure 5. In this embodiment, the motor capable of rotating in the forward direction and the reverse direction is selected as the driving device of the sliding member 7 and the dialing block 8, so as to realize the automatic movement of the sliding member 7 and the dialing block 8, thereby improving the intelligence degree of the fitness equipment. Wherein, the driving motor 19 drives the movement of the sliding member 7 and the dialing block 8 on the guide rail 6 through the flexible transmission member 20 (such as the transmission belt), and the controller can control according to the selected number of the weight iron 1 input by the user. The moving direction and moving distance of the slider 7 and the dial block 8 are controlled by the controller when the slider 7 and the dial block 8 are moved into position (ie, the number of selected weight irons 1 is the same as the number of user inputs) The motor 19 stops working. When the user inputs the selected number of the weight irons 1 again, the controller controls the driving motor 19 to start working to drive the dialing block 8 to move and move the locking piece 2 to realize the re-weighting of the weight iron 1 select.

In addition, the drive control mechanism may be configured to be manually controlled in addition to the above-mentioned automatic control mode, that is, the drive control mechanism includes: a connecting cord 21 and a manual adjusting device, wherein the connecting cord 21 is both a dialing block and a dialing block. 8 connected to drive the toggle block 8 to move on the guide rail 6 in different directions; the manual adjustment device is connected with the connecting rope 21, the cymbal can move the toggle block 8 through the connecting rope 21, and the toggle block 8 can also be controlled. The moving distance is shown in Figure 6.

Specifically, the manual adjustment device is as shown in FIG. 7, and includes a housing provided with a scale (including a front cover 22 and a rear cover 23), a reel 24 located inside the housing, and connected to the reel 24 to indicate the rotation of the scale. Handle 25. The scale on the outer casing indicates the selected number of weight irons 1 The wire reel 24 is used to wrap the connecting wire 21, and when the user changes the number of the weight irons 1, the user only needs to rotate the rotating handle 25 to point it to the required number. During the rotation of the rotating handle 25, the wire is driven. The disk 24 rotates, thereby pulling the connecting rope 21, causing the sliding member 7 and the dialing block 8 to slide correspondingly (including the sliding direction and the sliding distance), and then connecting the load-bearing rod 27 to the corresponding number of the scale by pushing the locking piece 2 Counterweight iron 1. In this embodiment, the connecting cord 21 is specifically a steel cord.

Further, the reel 24 is uniformly disposed with a plurality of recesses 26 along the circumferential direction thereof, and corresponding positions on the inner wall of the outer casing are provided with protrusions (not shown in FIG. 7) which can be coordinated with the recesses 26 (also not shown in FIG. 7). The bead may be specifically preferred so that the reel 24 can have a minimum angle of rotation during rotation to form a series of relatively fixed rotational positions, thereby correspondingly a different number of counterweight irons 1 .

The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same similar parts between the various embodiments may be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments are obvious 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 is not to be limited to the embodiments shown herein, but the scope of the invention is to be accorded

1‧‧‧Heavy iron

6‧‧‧ rail

7‧‧‧Sliding parts

9‧‧‧Self-locking frame

10‧‧‧Self-locking card slot

11‧‧‧ Positioning rod

12‧‧‧ positioning groove

13‧‧‧Flexible parts

17‧‧‧Roller

18‧‧‧Cage

Claims (10)

An exercise machine equipped with a plurality of weight irons passed by a load-bearing rod, characterized in that it comprises: a connection separating mechanism, the connection separation mechanism comprising: a rotatable lock disposed on the weight iron a locking piece having an end extending from an edge of the weight iron and having a bayonet at abutting the load-bearing rod; the lock is disposed on the counterweight iron a positioning member for positioning to prevent the locking piece from rotating relative to the weight iron; a selection mechanism comprising: a guide rail disposed in parallel with a plurality of the weight iron lamination directions; slidable by the sliding member a latching block disposed on the rail, the cymbal can push the lock piece to rotate one by one; the self-locking mechanism includes: a self-locking frame disposed on the sliding member and moving along with the sliding member The self-locking frame is rotatable around the guide rail, and the self-locking frame is provided with a self-locking card slot; the positioning rod is provided with a plurality of positioning rods that can cooperate with the self-locking card slot, Blocking the slider from being issued on the rail a moving positioning groove; two ends respectively connected with the sliding member and the self-locking frame to push the self-locking frame to rotate, so that one end of the self-locking frame contacts the weight iron; A drive control mechanism capable of driving the dial block to move on the guide rail and capable of controlling a moving direction and a moving distance. The exercise machine of claim 1, wherein the plane in which the lock piece rotates is parallel to the flat weight of the weight. The exercise device of claim 1, wherein the positioning member is a ball, and the locking plate is provided with two card holes that can be positioned and matched with the ball; the ball and the ball are When the one of the two card holes is cooperatively positioned, the bayonet is in a state of being clamped with the load-bearing rod, and the bayonet is at a position with the load-bearing rod when the ball is cooperatively positioned with the other Departed from the state. The exercise machine of claim 1, wherein the guide rails are two, and each of the guide rails is provided with one of the dial blocks, and the two of the dial blocks are synchronously moved. The 幷 fit forms a guide groove that is inclined with respect to the guide rail. The exercise machine of claim 1, wherein each of the dial blocks is provided with a guiding bevel that introduces the operating end into the guiding slot, and the dialing is different. The guiding bevels on the block are respectively located at both ends of the guiding groove. The exercise machine of claim 1, wherein one end of the self-locking frame in contact with the weight iron is provided with a roller, and the self-locking frame passes the roller and the weight iron contact. The exercise machine of claim 1, wherein the self-locking frame is coupled to the slider by a holder fixed to the slider. The exercise machine according to any one of claims 1 to 7, wherein the elastic member is a torsion spring. The exercise machine of claim 1, wherein the drive control mechanism comprises: a drive motor disposed on a mounting bracket of the selection mechanism, wherein the drive motor is capable of driving the dial block through a transmission member Reciprocating sliding on the guide rail; controlling the start and stop of the drive motor. The exercise machine of claim 1, wherein the drive control mechanism comprises: a connecting cord, the connecting rope being a plurality of connecting to the dialing block, to move the dialing block to move on the rail in different directions; and connecting with the connecting cord, the connecting line can pass through the connecting line The rope pulls the toggle block to move, and can control the manual adjustment device of the moving distance of the dial block.