CN216335926U - Take-up device of strength training instrument - Google Patents
Take-up device of strength training instrument Download PDFInfo
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- CN216335926U CN216335926U CN202122992679.5U CN202122992679U CN216335926U CN 216335926 U CN216335926 U CN 216335926U CN 202122992679 U CN202122992679 U CN 202122992679U CN 216335926 U CN216335926 U CN 216335926U
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Abstract
The utility model discloses a take-up device of a strength training instrument, which comprises a take-up box, wherein the take-up box comprises a lower take-up box and an upper take-up box, the lower take-up box and the upper take-up box are respectively arranged at the lower end and the upper end of a differential, the differential is provided with a first output shaft and a second output shaft, the lower take-up box is sleeved on the first output shaft and is fixedly connected with the first output shaft, and the upper take-up box is sleeved on the second output shaft and is fixedly connected with the second output shaft. According to the utility model, the upper wire collecting box and the lower wire collecting box are respectively arranged at two ends of the differential mechanism, so that the structure is compact.
Description
Technical Field
The utility model relates to a strength training instrument, in particular to a take-up device of the strength training instrument.
Background
Most of the strength training instruments are heavy mechanical frames, are matched with various load-bearing weights, and are inflexible in load change. Therefore, a strength training apparatus using a motor to control a pulling force has been developed, and the strength training apparatus generally includes a pedal, strength control portions located on left and right sides of the pedal, and a pulling rope connected to the strength control portions, and the strength control portions are mainly controlled by the motor. However, the motion modes of the existing strength training apparatus are separated from left to right, that is, each strength control part is driven by an independent motor, two motors are required, and the structure is complex and the cost is high. The take-up boxes are also separately and independently arranged and are not related to each other.
SUMMERY OF THE UTILITY MODEL
The utility model provides a take-up device of a strength training instrument, aiming at solving the technical problems that the take-up boxes of the strength training instrument in the prior art are separately and independently arranged and are not related to each other.
In order to solve the technical problems, the utility model adopts the technical scheme that the take-up device of the strength training instrument comprises a take-up box, wherein the take-up box comprises a lower take-up box and an upper take-up box, the lower take-up box and the upper take-up box are respectively arranged at the lower end and the upper end of a differential mechanism, the differential mechanism is provided with a first output shaft and a second output shaft, the lower take-up box is sleeved on the first output shaft and is fixedly connected with the first output shaft, and the upper take-up box is sleeved on the second output shaft and is fixedly connected with the second output shaft.
The side of the lower wire winding box is provided with a first wire winding groove which is sunken inwards, and the side of the upper wire winding box is provided with a second wire winding groove which is sunken inwards.
The take-up device of the strength training instrument further comprises:
the differential mechanism is arranged on the rack;
the first lead frame is arranged on the rack and positioned on the side of the lower take-up box;
the first lead wheel is arranged on the first lead frame and can rotate relative to the first lead frame; a first wire guiding groove is formed in the side face of the first wire guiding wheel, the first wire guiding wheel is arranged right opposite to the first winding groove, and the height of the first wire guiding wheel is the same as that of the first winding groove;
the second lead frame is arranged on the rack and positioned on the side of the upper take-up box;
the second lead wheel is arranged on the second lead frame and can rotate relative to the second lead frame; and a second wire guide groove is formed in the side surface of the second wire guide wheel, the second wire guide wheel is arranged right opposite to the second wire winding groove, and the height of the second wire guide wheel is the same as that of the second wire winding groove.
The first wire frame and the second wire frame are arranged on the left side and the right side of the wire collecting box in a right-to-left mode, the first wire guide wheel is located on a wire cutting line of the first wire winding groove, and the second wire guide wheel is located on a wire cutting line of the second wire winding groove.
And a third wire guide wheel which is opposite to the first wire guide wheel is arranged below the second wire guide frame.
The first wire guide wheel is also provided with a first anti-falling column positioned between two side surfaces of the first wire guide groove; and a second anti-falling column positioned between two side surfaces of the second wire guide groove is also arranged on the second wire guide wheel.
The lower take-up box comprises:
the lower take-up box is arranged on the upper shell;
the lower take-up box lower shell is fixedly connected with the lower take-up box upper shell; a first wire fixing gap and a first wire fixing groove communicated with the first wire fixing gap are formed between the upper shell of the lower wire collecting box and the lower shell of the lower wire collecting box;
go up the line box and include:
an upper shell of the upper take-up box;
the upper take-up box lower shell is fixedly connected with the upper take-up box upper shell; and a second wire fixing gap and a second wire fixing groove communicated with the second wire fixing gap are formed between the upper casing of the upper wire collecting box and the lower casing of the upper wire collecting box.
The lower take-up box and the upper take-up box are respectively arranged at the lower end and the upper end of the differential mechanism, the differential mechanism is provided with a first output shaft and a second output shaft, the lower take-up box is sleeved on the first output shaft and fixedly connected with the first output shaft, and the upper take-up box is sleeved on the second output shaft and fixedly connected with the second output shaft. The wire-rewinding box and the differential are perfectly combined together, the structure is compact, and the upper wire-rewinding box and the lower wire-rewinding box are connected together through the differential.
Drawings
The utility model is described in detail below with reference to examples and figures, in which:
FIG. 1 is a block diagram of the strength training apparatus of the present invention;
FIG. 2 is a block diagram of the transmission, differential and take-up of the strength training apparatus of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a block diagram of FIG. 2 with the upper housing removed;
FIG. 5 is a block diagram of FIG. 2 from another perspective with the upper housing removed;
FIG. 6 is a block diagram of FIG. 4 with the upper terminal box removed and the differential removed from the upper housing;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a perspective view of the transmission of the present invention;
FIG. 9 is an exploded view of the differential of the present invention;
FIG. 10 is a structural view of the upper case of the take-up reel of the present invention;
fig. 11 is a structural view of a lower case of the take-up reel case according to the present invention.
Detailed Description
The embodiments of the utility model are further illustrated in the following figures:
please refer to fig. 1 to 11. The strength training apparatus comprises a strength control part 9, pedals 8 positioned at two sides of the strength control part 9 and a rope pulling hole 7 arranged at the outer sides of the pedals. The pull rope is connected with the force control part 9 through the pull rope hole 7, the pull rope can be pulled by overcoming the force of the force control part acting on the pull rope, and therefore the purpose of strength training is achieved.
The force control section 9 includes a frame 1, a transmission 2, a differential 3, and a take-up 4. Wherein:
the frame 1 includes an upper frame 11 and a lower frame 12.
The transmission 2 includes a drive motor 21 and a transmission 22. The driving motor comprises one driving motor which is arranged on the rack. The drive motor 21 has a motor output shaft 211.
The transmission 22 is arranged on the frame and connected with the driving motor, and outputs the output of the driving motor after being decelerated by the transmission. In this embodiment, the transmission 22 includes a first reduction gear set 221 connected to the driving motor and a second reduction gear set 222 connected to the first reduction gear set. Namely, the output of the driving motor is output after two times of speed reduction. The speed ratio of the first reduction gear set and the speed ratio of the second reduction gear set are both larger than 1 and smaller than 6.
The first reduction gear set 221 includes a drive gear 2211 and a first reduction gear 2212, wherein: the driving gear 2211 is fixed to an output shaft of the driving motor. The first reduction gear 2212 is engaged with the drive gear.
The second reduction gear set 222 includes a second main reduction gear 2221 and a second sub reduction gear 2222. Wherein: the second slave reduction gear 2222 is meshed with the second main reduction gear. The second main reduction gear 2221 and the first reduction gear 2212 may be connected in a meshing manner, but the connection in a meshing manner may result in a large size and a large occupied space of the second main reduction gear and the second slave reduction gear. Therefore, in this embodiment, the transmission further includes a first reduction gear shaft 223, two ends of the first reduction gear shaft 223 are supported on the frame and can rotate relative to the frame, and the first reduction gear and the second main reduction gear are fixed on the first reduction gear shaft. Therefore, the second main reduction gear and the first reduction gear synchronously rotate, the size of the second main reduction gear can be made smaller, the structure is compact, and the occupied space is small. In this embodiment, the first reduction gear and the second reduction gear are integrally formed as duplicate gears distributed vertically. The second main reduction gear is formed by extending the center of the first reduction gear downwards, so that the manufacturing is simpler and the structure is more compact.
In this embodiment, two ends of the first reduction gear shaft are respectively supported between the upper frame and the lower frame through bearings, so that the first reduction gear shaft can rotate relative to the frame.
The driving gear, the first reduction gear, the second main reduction gear and the second slave reduction gear are arranged in the horizontal direction, and the driving gear, the first reduction gear, the second main reduction gear and the second slave reduction gear are straight-tooth gears. Because of the straight-tooth gear, the manufacture is simpler and the installation is more convenient.
The diameter of the driving gear is smaller than that of the first reduction gear, and the diameter of the second main reduction gear is smaller than that of the first reduction gear and that of the second slave reduction gear. The specific parameters of the driving gear, the first main reduction gear, the second main reduction gear and the second slave reduction gear can be selected according to actual needs.
The speed change device has the advantages that through the structural design of the driving gear, the first reduction gear, the second main reduction gear and the second auxiliary reduction gear, the structure is compact, the space size required by the speed change device is smaller than that of the existing belt chain transmission, meanwhile, the transmission is more stable, and the transmission efficiency is higher.
According to the utility model, the driving motor and the transmission connected with the driving motor are arranged, and the transmission is used for outputting the output of the driving motor after the speed is reduced, so as to provide power for the strength training instrument. Also, the transmission includes a first reduction gear set connected with the driving motor and a second reduction gear set connected with the first reduction gear set. The existing belt chain transmission is changed into gear transmission, and the two-stage gear transmission is formed by the first reduction gear set and the second reduction gear set, so that the output of the motor can be perfectly attached to the requirement of the strength training instrument after being transmitted by the gear sets. Compact structure, small occupied space, stable transmission and high transmission efficiency.
The differential 3 is connected with the transmission and is provided with a first output shaft and a second output shaft, and the differential can convert the output of the transmission after speed change into asymmetric force and output the asymmetric force from the first output shaft and the second output shaft.
In the present embodiment, the differential 3 includes a differential case 31, a first output shaft 32, a second output shaft 33, a first differential gear 34, a second differential gear 35, a first planetary gear 36, a second planetary gear 37, a first planetary shaft 38, a second planetary shaft 39, and a differential shaft 30.
The differential case 31 is connected to the frame and is rotatable relative to the frame. The second driven reduction gear is sleeved on the differential case and is fixedly connected with the differential case. A recessed locking groove 311 is provided on the outer side surface of the differential case 31. The second driven reduction gear 2222 is provided with a clamping protrusion 312, and the clamping protrusion 312 is clamped in the clamping groove 311 to realize the fixed connection between the second driven reduction gear and the differential case.
The differential case 31 includes a lower case 313, an upper case 314, and a middle case 315 that connects the upper case and the lower case. A first bearing 3131 is provided at the center of the lower housing 313, and a second bearing 3141 is provided at the center of the upper housing 314. In this embodiment, the second slave reduction gear 2222 is caught on the lower case 313 of the differential.
The first output shaft 32 is rotatably connected to the differential housing. In this embodiment, the first bearing 3131 is sleeved on the first output shaft to rotatably connect the first output shaft and the lower housing.
The first differential gear 33 is fixedly connected with the first output shaft.
The second output shaft 34 is rotatably connected to the differential housing. In this embodiment, the second bearing is sleeved on the second output shaft to rotatably connect the second output shaft and the upper housing.
In this embodiment, the axes of the first output shaft and the second output shaft are on the same line.
The second differential gear 35 is fixedly connected to the second output shaft.
The first planetary gears 36 mesh with the first differential gear.
The second planetary gears 37 are meshed with the second differential gear and the first planetary gears.
The first and second planet gears may rotate with the differential case, and at the same time, the first and second planet gears may also rotate with respect to the differential case.
The first planetary shaft 38 is fixedly connected with the differential case 31; the first planetary gears 36 are mounted on the first planetary shafts 38 and are rotatable relative to the first planetary shafts.
The second planet shaft 39 is fixedly connected with the differential case 31; the second planetary gear 37 is sleeved on the second planetary shaft and can rotate relative to the second planetary shaft.
In this embodiment, the first and second planetary shafts 38 and 39 are disposed in parallel with the first and second output shafts 32 and 34, and both ends of the first and second planetary shafts are fixed to the upper and lower cases 314 and 313, respectively.
The second output shaft 34 is positioned directly above the first output shaft 32, the first differential gear 33 is positioned at the upper end of the first output shaft 32, and the second differential gear 35 is positioned at the lower end of the second output shaft 34; the first and second planetary shafts 38 and 39 are located on the sides of the first and second differential gears 33 and 35.
A gap is formed between the first differential gear 33 and the second differential gear 35, the first planetary gear is lower in height than the lower surface of the second differential gear, and the second differential gear is lower in height than the upper surface of the first planetary gear and higher than the upper surface of the first differential gear. So that the arrangement of the first differential gear, the second differential gear, the first planetary gear and the second planetary gear can be made tighter.
The differential shaft 30 is rotatably connected with the first differential gear 33 and the second differential gear 34, the bottom of the differential shaft is fixedly connected with the bottom surface of the frame, and the top of the second output shaft 34 is rotatably connected with the frame. The differential shaft and the second output shaft are matched to play a role in supporting the differential.
The differential shaft 30 is rotatably connected with the second differential gear, the first differential gear and the first output shaft sequentially through a third bearing 301, a fourth bearing 302 and a fifth bearing 303 from top to bottom.
The first differential gear, the second differential gear, the first planetary gear and the second planetary gear are straight gears. The straight-tooth gear is convenient to manufacture and install.
The working principle of the differential mechanism is as follows: when the first differential gear and the second differential gear rotate at the same speed, the differential housing rotates at the same speed as the first differential gear and the second differential gear, and the first planetary gear and the second planetary gear revolve with the differential housing. When the first differential gear and the second differential gear have different rotating speeds, the differential case rotates, and the first planetary gear and the second planetary gear revolve with the differential case while rotating, so that differential rotation is realized between the first differential gear and the second differential gear.
According to the differential mechanism, the first output shaft, the first differential gear, the second output shaft, the second differential gear, the first planetary gear and the second planetary gear are arranged, and the first output shaft and the second output shaft are both rotatably connected with the differential mechanism shell; the first differential gear is fixedly connected with the first output shaft; the second differential gear is fixedly connected with the second output shaft; the first planetary gear is meshed with the first differential gear; a second planetary gear is meshed with the second differential gear and the first planetary gear; the first and second planet gears may rotate with the differential case, and at the same time, the first and second planet gears may also rotate with respect to the differential case. Therefore, the strength transmitted to the differential shell through the single motor can be output through the first output shaft and the second output shaft, the strength training instrument can be only provided with one motor, two groups of strength are output through the differential, the structure is more compact, the cost is lower, and the occupied space is smaller.
The differential mechanism has compact and simple structure. The single motor torque is utilized, and two groups of forces are output through the differential mechanism, so that the space structure of the whole force training instrument is optimized, and meanwhile, the manufacturing cost of the product is reduced.
The driving gear on the driving motor main shaft outputs motor torque force which is transmitted to a differential shell of a differential through a speed changer, and the first differential gear and the second differential gear receive two groups of pulling force transmitted by an external pulling rope and form acting force and reacting force with the force output by the driving motor. The torque output by the driving motor and the two groups of external tension force output different torques through the device action of the differential mechanism, thereby outputting a group of asymmetric forces and meeting the diversity during the strength training.
The wire rewinding device 4 comprises a wire rewinding box 41, wherein the wire rewinding box 41 comprises a lower wire rewinding box 411 and an upper wire rewinding box 412, and the two wire rewinding boxes are respectively connected with the first output shaft and the second output shaft. The lower take-up box and the upper take-up box are respectively arranged at the lower end and the upper end of the differential, the lower take-up box 411 is sleeved on the first output shaft 32 and fixedly connected with the first output shaft, and the upper take-up box is sleeved on the second output shaft 34 and fixedly connected with the second output shaft.
The upper take-up box and the lower take-up box are mainly used for being connected with the pull ropes on the left side and the right side to take up and pay off the pull ropes.
A first winding groove 4111 recessed inwards is formed in the side surface of the lower take-up box 411, and a second winding groove 4121 recessed inwards is formed in the side surface of the upper take-up box 412. The first winding groove and the second winding groove are mainly used for accommodating the pull rope.
The lower take-up box 411 comprises a lower take-up box upper shell 4119 and a lower take-up box lower shell 4118, and the lower take-up box lower shell 4118 is fixedly connected with the lower take-up box upper shell; a first wire fixing gap 4117 and a first wire fixing groove 4116 communicated with the first wire fixing gap are formed between the upper casing and the lower casing of the lower wire collecting box.
The upper take-up box 412 comprises an upper take-up box shell 4129 and an upper take-up box lower shell 4128, and the upper take-up box lower shell 4128 is fixedly connected with the upper take-up box shell; a second wire fixing gap 4127 and a second wire fixing groove 4126 communicated with the second wire fixing gap are formed between the upper take-up box upper shell and the upper take-up box lower shell.
The first wire fixing groove and the second wire fixing groove are respectively positioned in the first winding groove and the second winding groove.
Through the arrangement of the first wire fixing gap, the first wire fixing groove, the second wire fixing gap and the second wire fixing groove, the end part of the pull rope can be fixed on the lower wire collecting box and the upper wire collecting box, and the pull rope can be conveniently collected and released in the wire collecting box.
In this embodiment, the first wire fixing groove and the second wire fixing groove are respectively disposed on the upper case and the lower case of the take-up box.
In order to make the wire collecting box better collect and collect the pulling rope, the wire collecting device further includes a first wire frame 42, a first wire wheel 43, a second wire frame 44 and a second wire wheel 45. Wherein:
the first lead frame 42 is disposed on the frame and located at a side of the lower wire collecting box.
The first lead wheel 43 is arranged on the first lead frame and can rotate relative to the first lead frame; a first wire guiding groove 431 is formed in the side face of the first wire guiding wheel, the first wire guiding wheel is arranged right opposite to the first wire winding groove, and the height of the first wire guiding wheel is the same as that of the first wire winding groove.
The second lead frame 44 is disposed on the frame and located at a side of the upper wire-rewinding box.
A second lead wheel 45 is arranged on the second lead frame and can rotate relative to the second lead frame; a second wire guiding groove 451 is formed in the side face of the second wire guiding wheel, the second wire guiding wheel is arranged right opposite to the second wire winding groove, and the height of the second wire guiding wheel is the same as that of the second wire winding groove.
The setting of first wire wheel and second wire wheel for during the stay cord, the stay cord is passed in and out along the horizontal direction in first wire winding groove and second wire winding groove, can not lead to the stay cord to break away from first wire winding groove or second wire winding groove because of the difference in height.
In this embodiment, the first lead frame 42 and the second lead frame 44 are disposed opposite to each other on the left and right sides of the wire collecting box, and the first lead wheel is located on the tangent line of the first winding slot, and the second lead wheel is located on the tangent line of the second winding slot. Thereby being more beneficial to the retraction of the pull rope.
Further, a third wire guide wheel 46 opposite to the first wire guide wheel is disposed below the second wire guide frame 44, and a third wire guide slot 461 is disposed on the third wire guide wheel. The third wire guide wheel is mainly used for guiding the pull rope down from the second wire guide wheel, so that the wire can be conveniently routed from the bottom.
In order to prevent the pull rope from being pulled out from the wire guide wheel, the first wire guide wheel 43 is further provided with a first anti-dropping column 432 positioned between two side surfaces of the first wire guide groove; the second wire guiding wheel 45 is further provided with a second anti-falling column 452 located between two side surfaces of the second wire guiding groove. The second wire guiding wheel 46 is further provided with a third anti-drop column 462 located between two side surfaces of the third wire guiding groove.
According to the utility model, the upper wire collecting box and the lower wire collecting box are respectively arranged at the upper end and the lower end of the differential mechanism, so that the structure is very compact. And the first wire guide wheel, the second wire guide wheel and the third wire guide wheel are matched, so that the wiring and the winding and unwinding of the pull rope are facilitated.
The lower take-up box and the upper take-up box are respectively arranged at the lower end and the upper end of the differential mechanism, the differential mechanism is provided with a first output shaft and a second output shaft, the lower take-up box is sleeved on the first output shaft and fixedly connected with the first output shaft, and the upper take-up box is sleeved on the second output shaft and fixedly connected with the second output shaft. The wire-rewinding box and the differential are perfectly combined together, the structure is compact, and the upper wire-rewinding box and the lower wire-rewinding box are connected together through the differential.
The strength training instrument is provided with a speed change device, a differential mechanism and a wire take-up device, wherein the speed change device is internally provided with a driving motor and a speed changer, and the speed changer outputs the output of the driving motor after the speed is reduced; the differential is connected with the transmission and is provided with a first output shaft and a second output shaft, and the differential can convert the output of the transmission after the transmission is shifted into asymmetric force and output the asymmetric force from the first output shaft and the second output shaft; the take-up device comprises a take-up box, wherein the take-up box comprises a lower take-up box and an upper take-up box, and the two take-up boxes are respectively connected with the first output shaft and the second output shaft. Thereby can convert a driving motor's output into two strands of strength outputs to the steerable is received the line box and is received the line box with last down, and then the pulling force of the stay cord of being connected with lower line box and last line box respectively of control, compares two sets of drives that have now, and not only simple structure, the cost is also lower. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a take-up of strength training apparatus which characterized in that: the take-up device of the strength training instrument comprises a take-up box, wherein the take-up box comprises a lower take-up box and an upper take-up box, the lower take-up box and the upper take-up box are respectively arranged at the lower end and the upper end of a differential mechanism, the differential mechanism is provided with a first output shaft and a second output shaft, the lower take-up box is sleeved on the first output shaft and is fixedly connected with the first output shaft, and the upper take-up box is sleeved on the second output shaft and is fixedly connected with the second output shaft.
2. A wire takeup device for a strength training instrument, as claimed in claim 1, wherein: the side of the lower wire winding box is provided with a first wire winding groove which is sunken inwards, and the side of the upper wire winding box is provided with a second wire winding groove which is sunken inwards.
3. A wire takeup device for a strength training instrument, as claimed in claim 2, wherein: the take-up device of the strength training instrument further comprises:
the differential mechanism is arranged on the rack;
the first lead frame is arranged on the rack and positioned on the side of the lower take-up box;
the first lead wheel is arranged on the first lead frame and can rotate relative to the first lead frame; a first wire guiding groove is formed in the side face of the first wire guiding wheel, the first wire guiding wheel is arranged right opposite to the first winding groove, and the height of the first wire guiding wheel is the same as that of the first winding groove;
the second lead frame is arranged on the rack and positioned on the side of the upper take-up box;
the second lead wheel is arranged on the second lead frame and can rotate relative to the second lead frame; and a second wire guide groove is formed in the side surface of the second wire guide wheel, the second wire guide wheel is arranged right opposite to the second wire winding groove, and the height of the second wire guide wheel is the same as that of the second wire winding groove.
4. A wire takeup device for a strength training instrument, as claimed in claim 3, wherein: the first wire frame and the second wire frame are arranged on the left side and the right side of the wire collecting box in a right-to-left mode, the first wire guide wheel is located on a wire cutting line of the first wire winding groove, and the second wire guide wheel is located on a wire cutting line of the second wire winding groove.
5. A wire takeup device for a strength training instrument, as claimed in claim 4, wherein: and a third wire guide wheel which is opposite to the first wire guide wheel is arranged below the second wire guide frame.
6. A wire takeup device for a strength training instrument, as claimed in claim 4, wherein: the first wire guide wheel is also provided with a first anti-falling column positioned between two side surfaces of the first wire guide groove; and a second anti-falling column positioned between two side surfaces of the second wire guide groove is also arranged on the second wire guide wheel.
7. A wire takeup device for a strength training instrument, as claimed in claim 2, wherein: the lower take-up box comprises:
the lower take-up box is arranged on the upper shell;
the lower take-up box lower shell is fixedly connected with the lower take-up box upper shell; a first wire fixing gap and a first wire fixing groove communicated with the first wire fixing gap are formed between the upper shell of the lower wire collecting box and the lower shell of the lower wire collecting box;
go up the line box and include:
an upper shell of the upper take-up box;
the upper take-up box lower shell is fixedly connected with the upper take-up box upper shell; and a second wire fixing gap and a second wire fixing groove communicated with the second wire fixing gap are formed between the upper casing of the upper wire collecting box and the lower casing of the upper wire collecting box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122992679.5U CN216335926U (en) | 2021-11-30 | 2021-11-30 | Take-up device of strength training instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122992679.5U CN216335926U (en) | 2021-11-30 | 2021-11-30 | Take-up device of strength training instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216335926U true CN216335926U (en) | 2022-04-19 |
Family
ID=81158806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122992679.5U Active CN216335926U (en) | 2021-11-30 | 2021-11-30 | Take-up device of strength training instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216335926U (en) |
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2021
- 2021-11-30 CN CN202122992679.5U patent/CN216335926U/en active Active
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