CN216222748U

CN216222748U - Transmission control device for pulley block of sports equipment

Info

Publication number: CN216222748U
Application number: CN202122211802.5U
Authority: CN
Inventors: 汪运
Original assignee: Suzhou Zhonglian Sports Technology Co ltd
Current assignee: Suzhou Zhonglian Sports Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-04-08
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a transmission control device for a pulley block of a sports apparatus, which comprises the sports apparatus and a secondary fixed pulley block, wherein the secondary fixed pulley block is installed at the bottom of the sports apparatus, a movable sliding seat is installed at the bottom of the sports apparatus, a fixed seat is installed at the lower right corner of the movable sliding seat, a servo motor is installed at the top of the fixed seat, and a guide device is installed inside the movable sliding seat in a penetrating manner. According to the utility model, through the supporting seat, a worker can fix the supporting seat on the top of the sports equipment through the fixing bolt, the worker can enable the pull rope to lift the movable pulley, the connecting rod and the movable sliding seat under the support of the primary fixed pulley by pulling the pull rope, the movable pulley can rotate around the connecting rod under the action of external force, and the primary fixed pulley and the supporting seat rotate around the rotating rod under the action of external force.

Description

Transmission control device for pulley block of sports equipment

Technical Field

The utility model relates to the technical field of transmission control of sports equipment, in particular to a pulley block transmission control device of the sports equipment.

Background

The pulley block transmission device of the sports equipment is one of indispensable devices in the sports equipment, can provide resistance through the power transmission of the pulley block to help people achieve the purpose of exercise, and can provide convenience for people.

The pulley block transmission device of the sports apparatus in the prior art has the following defects:

1. the reference document CN2486175 discloses a transmission mechanism for fitness exercise equipment, which comprises a flywheel, a first shaft lever fixedly provided with a first transmission wheel, a second transmission wheel and a third transmission wheel which are linked by a forward overrunning clutch group, a fourth transmission wheel fixedly provided with a second shaft lever, a fifth transmission wheel, a sixth transmission wheel which is linked with the third transmission wheel by a linked element by a reverse overrunning clutch group, and a seventh transmission wheel fixedly provided with a fourth transmission wheel meshed with the fourth transmission wheel; second, five drive wheels and first drive wheel and flywheel between respectively with first, two interlock components are connected, traditional body-building apparatus is bulky, it is heavy, most all are the mode that adds the weight and increase the resistance, and the resistance differs, can't provide stable constant force resistance for the training personnel, still need the manual work to carry the weight installation, the flexibility is relatively poor, the operation is troublesome, and the security is poor, also some utilize the hydraulic pressure principle to provide constant resistance on the existing market, but hydraulic pressure realizes that the constant force reaction rate is slow, it is sensitive inadequately, hydraulic pressure is bulky, it is troublesome to adjust, also favorable with the electric control principle, can provide stable constant force to a certain extent, but often adopt the single-wheel group to solve, make volume and constant force control range undersize, and make equipment height than higher, weight is big.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pulley block transmission control device of a sports apparatus, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a transmission control device for a pulley block of a sports apparatus comprises the sports apparatus and a secondary fixed pulley block, wherein the secondary fixed pulley block is installed at the bottom of the sports apparatus, a movable sliding seat is installed at the bottom of the sports apparatus, a fixed seat is installed at the lower right corner of the movable sliding seat, a servo motor is installed at the top of the fixed seat, and a guide device is installed inside the movable sliding seat in a penetrating manner;

the supporting seat is installed at the top of the sports equipment, the bull stick is installed in the front of the supporting seat, the outside movable mounting of bull stick has the one-level fixed pulley, a set of slide that moves is installed in guider's the outside, move the front of slide and install the connecting rod, movable pulley is installed in the outside of connecting rod.

Preferably, the inside of the supporting seat is provided with a fixing bolt in a penetrating way, and the fixing bolt is in threaded installation with the sports equipment.

Preferably, the bottom of the exercise apparatus is provided with a third-stage fixed pulley block, and the third-stage fixed pulley block is positioned on one side of the second-stage fixed pulley block.

Preferably, the inside through mounting of fixing base has the bolt, and the nut is installed to the outside screw thread of bolt, and servo motor is installed at the top of fixing base, and play transmission shaft is installed to servo motor's output, and the serving ware is installed in the outside of transmission shaft, and the outside winding of serving ware has the rope, and the rope is connected with wherein bottom of moving the slide.

Preferably, the guide device penetrates through the movable sliding seat to be connected with the rotating rod, the pull rope is sleeved on the outer side of the first-stage fixed pulley, then the two ends of the pull rope penetrate through the movable pulley, the pull rope penetrates through the outer side of the movable pulley at the lowest part of the pull rope, one end of the pull rope is sleeved on the outer side of the top of the second-stage fixed pulley block, and the other end of the pull rope is sleeved on the outer side of the top of the third-stage fixed pulley block.

Preferably, the movable pulley is located inside the pulling rope.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model can fix the support seat on the top of the sports apparatus through the support seat by a worker through the fixing bolt, so that the pull rope can be sleeved on the outer side of the first-stage fixed pulley and then the two ends of the pull rope pass through the movable pulley, the outer side of the movable pulley positioned at the lowest part is crossed and passed through, one end of the pull rope is sleeved on the outer side of the top of the second-stage fixed pulley group, the other end of the pull rope is sleeved on the outer side of the top of the third-stage fixed pulley group, the worker can pull the movable pulley, the connecting rod and the movable sliding seat under the support of the first-stage fixed pulley by pulling the pull rope, the movable pulley can rotate by taking the connecting rod as the center under the action of external force, and the first-stage fixed pulley and the support seat rotate by taking the rotating rod as the center of a circle under the action of external force, because the device is additionally provided with the first-stage fixed pulley and the group of movable pulleys, the device has simple structure and larger adjusting range, and the total length of the pull rope is 4 times of the rising height of the movable pulley, can practice thrift exerciser's height and volume greatly, move the slide and install guider, safe and reliable compares with the tradition under the same condition, can enlarge application range's crowd, and the strength control range is more extensive.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the structure at position A of the present invention;

FIG. 4 is a schematic view of the structure at B of the present invention;

in the figure: 1. an exercise apparatus; 101. a supporting seat; 102. a fixing bolt; 103. a rotating rod; 104. a primary fixed pulley; 2. a secondary fixed pulley block; 201. a third-stage fixed pulley block; 3. a movable sliding seat; 301. a connecting rod; 302. a movable pulley; 4. a fixed seat; 401. a bolt; 402. a nut; 403. a servo motor; 404. a drive shaft; 405. a rope winder; 406. a rope; 5. a guide device; 501. and pulling a rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a transmission control device for a pulley block of a sports apparatus comprises the sports apparatus 1 and a secondary fixed pulley block 2, the secondary fixed pulley block 2 is installed at the bottom of the sports apparatus 1, a movable sliding seat 3 is installed at the bottom of the sports apparatus 1, a fixed seat 4 is installed at the lower right corner of the movable sliding seat 3, a servo motor 403 is installed at the top of the fixed seat 4, a guide device 5 is installed inside the movable sliding seat 3 in a penetrating mode, the sports apparatus 1 can provide a fixing effect for the secondary fixed pulley block 2, the secondary fixed pulley block 2 can provide support for a pull rope 501, the movable sliding seat 3 can provide a support effect for a connecting rod 301, the fixed seat 4 can provide support for the servo motor 403 to provide a fixing space for workers, and the guide device 5 can provide a guide effect when the movable sliding seat 3 is moved by external force;

the top of the sports equipment 1 is provided with a supporting seat 101, the front of the supporting seat 101 is provided with a rotating rod 103, the outer side of the rotating rod 103 is movably provided with a first-level fixed pulley 104, the outer side of a guiding device 5 is provided with a group of movable sliding seats 3, the front of each movable sliding seat 3 is provided with a connecting rod 301, the outer side of each connecting rod 301 is provided with a movable pulley 302, a worker can fix the supporting seat 101 on the top of the sports equipment 1 through a fixing bolt 102, the worker can pull a pull rope 501 to lift the movable pulleys 302, the connecting rods 301 and the movable sliding seats 3 under the support of the first-level fixed pulley 104, the movable pulleys 302 can rotate around the connecting rods 301 under the action of external force, and the first-level fixed pulley 104 rotates around the rotating rod 103 under the support of the supporting seat 101 under the action of external force, because the device is additionally provided with the first-level fixed pulley 104 and the group of movable pulleys 302 on the traditional basis, assuming that the force on the pull rope 501 is F, when the movable pulley 302 is 2, the constant force Fm of the servo motor 403 is 2 × F4F. Assuming that the height at which the movable pulley 302 rises is H, the total length of the pull rope 501 is L_{General assembly}2L 2H 4H, it is seen from the above that the pulling force of this constructor is 1/4 that the servo motor is constantly exerting force, thus make the device realize simple structure, the range of regulation is bigger, the total length of stay cord is 4 times of the rising height of movable pulley, can greatly practice thrift the height and the volume of exerciser.

Further, the inside of the supporting seat 101 is provided with a fixing bolt 102 in a penetrating manner, the fixing bolt 102 is installed on the sports apparatus 1 in a threaded manner, and a worker can use the fixing bolt 102 to stably install the supporting seat 101 on the top of the sports apparatus 1, so that the supporting seat 101 can stably support the rotating rod 103.

Further, tertiary crown block 201 is installed to the bottom of exerciser 1, and tertiary crown block 201 is located one side of second grade crown block 2, and exerciser 1 can provide firm support for tertiary crown block 201 and second grade crown block 2, and tertiary crown block 201 and second grade crown block 2 can provide the support for stay cord 501, rotate under the effect of stay cord 501.

Further, the inside through-mounting of fixing base 4 has bolt 401, nut 402 is installed to bolt 401's outside screw thread, servo motor 403 is installed at the top of fixing base 4, a transmission shaft 404 is installed to servo motor 403's output, ropewinder 405 is installed in the outside of transmission shaft 404, ropewinder 405's outside winding has rope 406, and rope 406 is connected with the bottom of individual slide 3 among them, the staff can fix fixing base 4 in suitable work place department with bolt 401 and nut 402 screw-thread fit, servo motor 403 can pass through the invariable resistance of intelligent control ware control output, can drive ropewinder 405 through transmission shaft 404 and carry out just reversing, realize ropewinder 405 rolling and the effect of playing rope 406, and can exert the resistance.

Further, the guiding device 5 penetrates through the movable sliding seat 3 to be connected with the rotating rod 103, the pull rope 501 is sleeved on the outer side of the first-stage fixed pulley 104, then two ends of the pull rope pass through the movable pulley 302, the outer side of the movable pulley 302 located at the lowest part is crossed and passed, one end of the pull rope is sleeved on the outer side of the top of the second-stage fixed pulley block 2, the other end of the pull rope is sleeved on the outer side of the top of the third-stage fixed pulley block 201, when the fitness staff moves, two ends of the pull rope 501 are pulled, the intelligent controller can control the servo motor 403 to output constant resistance, the movable sliding seat 3 moves upwards along the guiding device 5 under the action of the pull rope 501, the pull rope 501 extends, the servo motor 403 rotates forwards, when the pull rope 501 is loosened, the servo motor 4 rotates backwards, the movable sliding seat 3 moves downwards along the guiding device 5, the pull rope 501 contracts with constant force, the stable and reliable constant force can protect the fitness staff from being injured.

Further, the movable pulley 302 is located on the inner side of the pulling rope 501, the pulling rope 501 can transmit the pulling force to the movable pulley 302 under the action of external force, the movable pulley 302 can transmit the pulling force to the movable sliding seat 3 through the connecting rod 301, and therefore the movable sliding seat 3 can move along the guide device 5.

The working principle is as follows: before the pulley block transmission device of the sports equipment is used, whether the device has the problem of influencing use or not is checked, when a worker needs to use the device, the support seat 101 is installed at the top of the sports equipment 1 through the fixing bolt 102, the second-stage fixed pulley block 2 and the third-stage fixed pulley block 201 are installed at the bottom of the sports equipment, then the bolt 401 is matched with the nut 402, the servo motor 403 is fixed at a working place through the fixing seat 4, and the two ends of the pull rope 501 are provided with the fitness gripping devices and then pull the fitness grips at the two ends of the pull rope 501 to perform fitness exercise.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a sports apparatus assembly pulley transmission controlling means, includes sports apparatus (1) and second grade crown block (2), its characterized in that: the bottom of the sports equipment (1) is provided with a secondary fixed pulley block (2), the bottom of the sports equipment (1) is provided with a movable sliding seat (3), the lower right corner of the movable sliding seat (3) is provided with a fixed seat (4), the top of the fixed seat (4) is provided with a servo motor (403), and the interior of the movable sliding seat (3) is provided with a guide device (5) in a penetrating way;

supporting seat (101) are installed at the top of exerciser (1), bull stick (103) are installed in the front of supporting seat (101), the outside movable mounting of bull stick (103) has one-level fixed pulley (104), a set of slide (3) that move is installed in the outside of guider (5), move front-mounted of slide (3) and install connecting rod (301), movable pulley (302) are installed in the outside of connecting rod (301).

2. The device as claimed in claim 1, wherein the drive control device comprises: the inside of the supporting seat (101) is provided with a fixing bolt (102) in a penetrating way, and the fixing bolt (102) is in threaded installation with the sports apparatus (1).

3. The device as claimed in claim 1, wherein the drive control device comprises: the bottom of the sports apparatus (1) is provided with a third-stage fixed pulley block (201), and the third-stage fixed pulley block (201) is positioned on one side of the second-stage fixed pulley block (2).

4. The device as claimed in claim 1, wherein the drive control device comprises: the inside through-mounting of fixing base (4) has bolt (401), nut (402) are installed to the outside screw thread of bolt (401), servo motor (403) are installed at the top of fixing base (4), transmission shaft (404) are installed to the output of servo motor (403), serving (405) are installed in the outside of transmission shaft (404), the outside winding of serving (405) has rope (406), and rope (406) are connected with the bottom that wherein individual moves slide (3).

5. The device as claimed in claim 1, wherein the drive control device comprises: the guide device (5) penetrates through the movable sliding seat (3) to be connected with the rotating rod (103), the pull rope (501) is sleeved on the outer side of the first-stage fixed pulley (104), then two ends of the pull rope penetrate through the movable pulley (302), the pull rope penetrates through the outer side of the movable pulley (302) located at the lowest portion in a crossed mode, one end of the pull rope is sleeved on the outer side of the top of the second-stage fixed pulley block (2), and the other end of the pull rope is sleeved on the outer side of the top of the third-stage fixed pulley block (201).

6. The device as claimed in claim 1, wherein the drive control device comprises: the movable pulley (302) is positioned on the inner side of the pull rope (501).