Quick-change leggings mechanism and hip training test device having the same

Abstract

The present application discloses a quick-change legging mechanism and a hip training test device having the same. The quick-change legging mechanism comprises: a plurality of first guide rods; a sliding member, which is respectively slidably connected to the plurality of first guide rods, the sliding member is respectively rotatably connected to a first rotating member and a second rotating member, the end of the first rotating member extending out of the sliding member is the first rotating end, the end of the second rotating member extending out of the sliding member is the second rotating end, and the first rotating end and the second rotating end are symmetrically distributed on both sides of the sliding member; a transmission belt, which is connected to the sliding member and drives the sliding member to slide; a legging member, which is detachably fixedly connected to any one of the first rotating end and the second rotating end. The legging member can bind the user's legs, and the user can adjust the position of the legging member and the sliding member according to the training needs to realize hip training test for the left leg or the right leg, and the replacement is relatively convenient.

Description

Technical Field

[0001] The invention generally relates to the field of fitness equipment, specifically to the field of hip training, and in particular to a quick-changing leggings mechanism and a hip training test device having the same. Background Art

[0002] At present, track and field athletes use active exercises such as field running to train their hips in order to increase their running frequency. However, this training method is affected by the field, climate, etc., and can easily cause sports injuries. The hip speed test training device can facilitate athletes to perform hip training. The athlete fixes one leg on the hip speed test training device and uses the drive mechanism to drive the single leg to swing to achieve the purpose of hip training. The athlete can switch between the left and right legs for training.

[0003] The existing hip speed test training device has the problem of being troublesome when switching between left and right legs for training during use. Summary of the invention

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a quick-changing legging mechanism that is convenient for left and right leg switching training and a hip training test device having the same.

[0005] In a first aspect, the quick-change leggings mechanism of the present invention comprises:

[0006] a plurality of first guide rods;

[0007] A sliding member, which is slidably connected to the plurality of first guide rods respectively, and the sliding member is rotatably connected to a first rotating member and a second rotating member respectively, one end of the first rotating member extending from the sliding member is a first rotating end, and one end of the second rotating member extending from the sliding member is a second rotating end, and the first rotating end and the second rotating end are symmetrically distributed on both sides of the sliding member;

[0008] A transmission belt connected to the sliding member and driving the sliding member to slide;

[0009] A legging member is detachably fixedly connected to any one of the first rotating end and the second rotating end.

[0010] In a second aspect, a hip training test device of the present invention comprises:

[0011] Driving mechanism;

[0012] The fast-changing leggings mechanism, wherein the driving mechanism drives the sliding member to slide back and forth through a transmission belt.

[0013] According to the technical solution provided in the embodiment of the present application, by fixing the leggings component to the first rotating end or the second rotating end, the positions of the leggings component and the sliding component are changed, and the leggings component can bind the user's legs to fix the user's left leg or right leg. The user can adjust the positions of the leggings component and the sliding component according to training needs to achieve hip training testing for the left leg or right leg, and the replacement is relatively convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0015] Figure 1 It is a structural schematic diagram of a quick-change legging mechanism according to an embodiment of the present invention;

[0016] Figure 2 A front view of a leggings component of a quick-change leggings mechanism according to an embodiment of the present invention;

[0017] Figure 3 A top view of a leggings component of a quick-change leggings mechanism according to an embodiment of the present invention;

[0018] Figure 4 A right side view of a leggings component of a quick-change leggings mechanism according to an embodiment of the present invention;

[0019] Figure 5 A three-dimensional view of a leggings component of a quick-change leggings mechanism according to an embodiment of the present invention;

[0020] Figure 6 It is a front view of a sliding component of a quick-change legging mechanism according to an embodiment of the present invention;

[0021] Figure 7 A top view of a sliding member of a quick-change legging mechanism according to an embodiment of the present invention;

[0022] Figure 8 It is a left side view of a sliding member of a quick-change legging mechanism according to an embodiment of the present invention;

[0023] Fig. 9 A three-dimensional diagram of a sliding member of a quick-change legging mechanism according to an embodiment of the present invention;

[0024] Fig.10 For along Figure 6 Sectional view along line AA;

[0025] Fig.11 For along Figure 6 Sectional view along the midline BB;

[0026] Fig.12 It is a schematic structural diagram of the cooperation between the first housing, the first rotating member and the first clamping block of the quick-change legging mechanism according to one embodiment of the present invention;

[0027] Fig.13 It is a schematic structural diagram of the cooperation between the first rotating member, the first clamping block, the second rotating member and the second clamping block of the quick-change legging mechanism according to one embodiment of the present invention;

[0028] Fig.14 It is a structural schematic diagram of a first shell of a quick-change legging mechanism according to an embodiment of the present invention;

[0029] Fig.15 It is a structural schematic diagram of a second housing of a quick-change legging mechanism according to an embodiment of the present invention;

[0030] Fig.16 This is a schematic structural diagram of a hip training test device according to another embodiment of the present invention. DETAILED DESCRIPTION

[0031] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0032] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0033] One embodiment of the present invention is, please refer to Figures 1 to 15 A quick-change legging mechanism 100, the quick-change legging mechanism 100 comprises: a plurality of first guide rods 200; a sliding member 1100, which is respectively slidably connected to the plurality of first guide rods 200, the sliding member 1100 is respectively rotatably connected to a first rotating member 1200 and a second rotating member 1300, the end of the first rotating member 1200 extending out of the sliding member 1100 is a first rotating end 1210, the end of the second rotating member 1300 extending out of the sliding member 1100 is a second rotating end 1310, the first rotating end 1210 and the second rotating end 1310 are symmetrically distributed on both sides of the sliding member 1100; a transmission belt 300, which is connected to the sliding member 1100 and drives the sliding member 1100 to slide; a legging member 1400, which is detachably fixedly connected to any one of the first rotating end 1210 and the second rotating end 1310.

[0034] In the embodiments of the present invention, reference Figure 1The plurality of first guide rods are parallel to each other, and may be, but not limited to, two first guide rods are provided and arranged in the vertical direction. The plurality of first guide rods are respectively slidably connected to the sliding member, and the sliding member can slide along the guide of the first guide rod. The first guide rod may be, but not limited to, movably fixedly connected with a stopper 2110, and the stopper 2110 is located below the sliding member, and the stopper 2110 can stop the sliding member to prevent the sliding member from sliding to the bottom of the first guide rod.

[0035] The sliding member is rotatably connected with a first rotating member and a second rotating member respectively, one end of the first rotating member extending out of the sliding member is the first rotating end, and one end of the second rotating member extending out of the sliding member is the second rotating end, the first rotating end and the second rotating end are located on both sides of the sliding member, and the leggings member is detachably fixedly connected with the first rotating end or the second rotating end. When the user performs a hip training test, the leggings member is fixedly connected with the first rotating end, and one leg is bound to the leggings member. The driving mechanism drives the sliding member to reciprocate through the transmission belt, and then drives the leg bound to the leggings member to swing back and forth. During the reciprocating swing of the leggings member, the first rotating member rotates relative to the sliding member, so that the leg can be close to the leggings member. When it is necessary to change the training leg, the leggings member is loosened from one leg, the leggings member is removed from the first rotating end and then fixed to the second rotating end, the other leg of the user is bound to the leggings member, and the hip training test is performed on the other leg, and the user can easily change the training leg.

[0036] refer to Figures 7 to 15 Furthermore, the sliding member 1100 includes a sliding seat 1110 , and the sliding seat 1110 is provided with a first through hole 1111 for the transmission belt 300 to pass through. At least one clamping assembly 1120 is arranged in the first through hole 1111 , and the clamping assembly 1120 clamps the transmission belt 300 .

[0037] In an embodiment of the present invention, the sliding member includes a sliding seat, and a plurality of first guide rods are respectively slidably connected to the sliding seat. The first guide rods may be slidably connected to the sliding seat through a linear sliding bearing 2100, which ensures the smoothness of the sliding connection between the first guide rods and the sliding seat. The transmission belt passes through the first through hole, and the clamping assembly arranged in the first through hole can clamp the transmission belt, so that the transmission belt can drive the sliding seat to reciprocate. It may be, but is not limited to, two clamping assemblies are arranged in the first through hole, and the two clamping assemblies clamp the transmission belt together, which ensures the reliability of clamping the transmission belt, avoids the situation where the transmission belt is loose, and ensures the reliability of the transmission belt driving the sliding member to reciprocate. At the same time, the two clamping assemblies can also control the manufacturing cost and weight of the sliding member.

[0038] Furthermore, the clamping assembly 1120 includes a first clamping block 1121 and a second clamping block 1123 that are relatively arranged, and the transmission belt 300 passes between the first clamping block 1121 and the second clamping block 1123. The first through hole 1111 includes a first side wall 1112 and a second side wall 1113 that are relatively arranged. The first clamping block 1121 is connected to the first side wall 1112, and the second clamping block 1123 is connected to the second side wall 1113. The clamping assembly 1120 is provided with at least one driving member 1130, and the driving member 1130 drives the first clamping block 1121 to be close to the second clamping block 1123, so that the first clamping block 1121 and the second clamping block 1123 clamp the transmission belt 300.

[0039] In an embodiment of the present invention, the first clamping block is connected to the first side wall, the second clamping block is connected to the second side wall, at least one of the first clamping block and the second clamping block can move relative to the sliding seat, and the driving member can drive the movable one of the first clamping block and the second clamping block to approach each other, so that the first clamping block and the second clamping block clamp the transmission belt, so that the transmission belt can drive the sliding seat to reciprocate.

[0040] Furthermore, the first clamping block 1121 includes a first connecting portion 1121a and a first clamping portion 1121b, the first connecting portion 1121a is rotatably connected to the first side wall 1112 via a first rotating shaft 1122, the second clamping block 1123 includes a second connecting portion 1123a and a second clamping portion 1123b, the second connecting portion 1123a is rotatably connected to the second side wall 1113 via a second rotating shaft 1124, and the first clamping portion 1121b and the second clamping portion 1123b clamp the transmission belt 300.

[0041] In an embodiment of the present invention, the first connecting portion is rotatably connected to the first side wall via a first rotating shaft, and the first clamping portion can rotate around the first rotating shaft, so that the first clamping portion is close to or away from the second clamping portion. Similarly, the second connecting portion is rotatably connected to the second side wall via a second rotating shaft, and the second clamping portion can rotate around the second rotating shaft, so that the second clamping portion is close to or away from the first clamping portion. The sliding seat is respectively screwed with a plurality of first driving bolts 1131 and a plurality of second driving bolts 1132, and the plurality of first driving bolts 1131 are located on the side of the first clamping portion facing away from the second clamping portion, and the plurality of second driving bolts 1132 are located on the side of the second clamping portion facing away from the first clamping portion. By screwing the first driving bolts 1131 and the second driving bolts 1132, the first clamping portion and the second clamping portion are clamped to each other. The transmission belt passes between the first clamping portion and the second clamping portion, and the first clamping portion and the second clamping portion can clamp the transmission belt.

[0042] It is possible but not limited to that the first clamping portion 1121b is provided with a first sawtooth 1121b1 on the side facing the transmission belt 300, and the first sawtooth 1121b1 can increase the friction between the first clamping portion and the transmission belt. The second clamping portion 1123b is provided with a second sawtooth 1123b1 on the side facing the transmission belt 300, and the second sawtooth 1123b1 can increase the friction between the second clamping portion 1123b and the transmission belt 300, so that the first clamping portion 1121b and the second clamping portion 1123b can clamp the transmission belt 300 more reliably.

[0043] refer to Fig.10 and 13 , it can be but is not limited to that two clamping assemblies arranged along the length direction of the transmission belt are provided in the first through hole, the two first clamping parts are located between the two first rotating shafts, and the two second clamping parts are located between the two second rotating shafts. In the process of the transmission belt driving the sliding seat to reciprocate, at least the first clamping part and the second clamping part in one clamping assembly are pulled by the transmission belt and have a tendency to approach each other, which can further improve the reliability of the connection between the transmission belt and the sliding seat.

[0044] Furthermore, the sliding seat 1110 is composed of a first shell 1140 and a second shell 1150 that are detachably fixed, and the first shell 1140 and the second shell 1150 have the same structure.

[0045] In an embodiment of the present invention, the sliding seat is composed of a first shell and a second shell that are detachably fixed. The first shell and the second shell can be, but are not limited to, detachably fixedly connected by a plurality of bolts, which is convenient for assembling the sliding seat and also for installing the structure in the first through hole. The first shell and the second shell have the same structure and can be manufactured by a set of molds, thereby reducing the manufacturing cost.

[0046] Furthermore, the first shell 1140 is provided with a first step hole 1141, the first rotating member 1200 passes through the first step hole 1141, the first rotating member 1200 is rotatably connected to the first shell 1140 through the first bearing 1220, the first step hole 1141 is provided with a first step 1142, and the end of the first rotating member 1200 facing away from the first rotating end 1210 is provided with a first limiting portion 1230, the diameter of the first limiting portion 1230 is larger than the diameter of the first rotating member 1200, the first bearing 1220 is located between the first limiting portion 1230 and the first step 1142, and the first shell 1140 is detachably fixedly connected with a first stop rod 1143, the first stop rod 1143 extends into the first step hole 1141, and the first stop rod 1143 is located at the end of the first limiting portion 1230 facing away from the first rotating end 1210 On one side, the second shell 1150 is provided with a second step hole 1151, the second rotating member 1300 passes through the second step hole 1151, and the second rotating member 1300 is rotatably connected to the second shell 1150 through a second bearing 1320. The second step hole 1151 is provided with a second step 1152, and the end of the second rotating member 1300 facing away from the second rotating end 1310 is provided with a second limiting portion 1330, the diameter of the second limiting portion 1330 is larger than the diameter of the second rotating member 1300, and the second bearing 1320 is located between the second limiting portion 1330 and the second step 1152. The second shell 1150 is detachably fixedly connected with a second stop rod 1153, the second stop rod 1153 extends into the second step hole 1151, and the second stop rod 1153 is located on the side of the second limiting portion 1330 facing away from the second rotating end 1310.

[0047] In an embodiment of the present invention, the first housing is provided with a first step hole, and the first rotating member passes through the first step hole from the side of the first housing facing the first through hole, so that the first rotating end extends from the sliding member. The first bearing is sleeved on the first rotating member, and the first step can stop the first bearing. The end of the first rotating member facing away from the first rotating end is provided with a first limiting portion, and the diameter of the first limiting portion is greater than the diameter of the first rotating member, and the first limiting portion can prevent the first bearing from being separated from the end of the first rotating member facing away from the first rotating end. The first housing is detachably fixedly connected with a first stop rod, and the first stop rod extends into the first step hole. The first stop rod can stop the first rotating member and prevent the first rotating member from being separated from the first step hole, thereby ensuring the reliability of the rotational connection between the first rotating member and the first housing. It can be, but not limited to, the first stop rod passes through the first step hole, and the two ends of the first stop rod are respectively inserted into the inner wall of the first step hole, thereby ensuring the reliability of the first stop rod stopping the first rotating member.

[0048] The second housing is provided with a second step hole, and the second rotating member passes through the second step hole from the side of the second housing facing the second through hole, so that the second rotating end extends from the sliding member. The second bearing is sleeved on the second rotating member, and the second step can stop the second bearing. The end of the second rotating member facing away from the second rotating end is provided with a second limiting portion, and the diameter of the second limiting portion is greater than the diameter of the second rotating member, and the second limiting portion can prevent the second bearing from being separated from the end of the second rotating member facing away from the second rotating end. The second housing is detachably fixedly connected with a second stop rod, and the second stop rod extends into the second step hole. The second stop rod can stop the second rotating member and prevent the second rotating member from being separated from the second step hole, thereby ensuring the reliability of the rotational connection between the second rotating member and the second housing. It is possible, but not limited to, that the second stop rod passes through the second step hole, and the two ends of the second stop rod are respectively inserted into the inner wall of the second step hole, thereby ensuring the reliability of the second stop rod stopping the second rotating member.

[0049] refer to Figure 1 Furthermore, the legging member 1400 is detachably fixedly connected to any one of the first rotating end 1210 and the second rotating end 1310 via a latch 1500 .

[0050] In an embodiment of the present invention, the first rotating end is provided with a first latch hole 1211, the leggings member is sleeved with the first rotating end, and the latch is passed through the leggings mechanism and the first latch hole 1211, so as to realize the fixed connection between the leggings member and the first rotating end, and the leggings member can rotate together with the first rotating end. When it is necessary to separate the leggings member from the first rotating end, it is only necessary to pull out the latch to separate the leggings member from the first rotating end, so as to realize the quick disassembly and assembly of the leggings member and the first rotating end.

[0051] The second rotating end is provided with a second latch hole 1311. The leggings are sleeved with the second rotating end, and the latch is passed through the leggings mechanism and the second latch hole 1311 to achieve a fixed connection between the leggings and the second rotating end, so that the leggings can rotate together with the second rotating end. When it is necessary to separate the leggings from the second rotating end, the latch can be pulled out to separate the leggings from the second rotating end, thereby achieving quick disassembly and assembly of the leggings and the second rotating end.

[0052] refer to Figures 2 to 5 Furthermore, the leggings structure 1400 includes a leggings seat 1410 and a sliding block 1420 slidably connected to the leggings seat 1410, the leggings seat 1410 is provided with at least one strap 1411, a leggings pad 1412 is detachably fixedly connected to the side of the leggings seat 1410 facing away from the sliding block 1420, and the sliding block 1420 is detachably fixedly connected to any one of the first rotating end 1210 and the second rotating end 1310.

[0053] In an embodiment of the present invention, the leggings seat is provided with at least one strap, and the leg of the user who needs to perform hip training is tied to the leggings seat by the strap, so that the leg to be trained for hip follows the movement of the leggings seat. The leggings seat is detachably fixedly connected with a leggings pad, which can support the legs and reduce the risk of injury during the user's hip training. The sliding block is slidably connected to the leggings seat, and when the user lies on the training bed to perform hip training, the leggings seat will slide relative to the sliding block, and will not generate excessive stretching or squeezing force on the user's legs. It is possible, but not limited to, to set the number of straps to two, and the two straps can tie the legs to the leggings seat more stably.

[0054] The sliding block is detachably fixedly connected to any one of the first rotating end and the second rotating end, so that the leggings are connected to the first rotating end or the second rotating end, so that the leggings can rotate together with the first rotating member or the second rotating member. It can be, but not limited to, that the sliding block is detachably fixedly connected to a plurality of connecting rods 1422 on the side facing away from the leggings seat, and a connecting seat 1423 is fixedly connected to the same side of the plurality of connecting rods 1422, and the connecting seat 1423 is provided with a connecting hole 1423a, and the first rotating end or the second rotating end is inserted into the connecting hole 1423a, and the pin passes through the first rotating end and the connecting seat to fix the first rotating end and the connecting seat, and the pin passes through the second rotating end and the connecting seat to fix the second rotating end and the connecting seat. It can be, but not limited to, that the plurality of connecting rods 1422 are respectively inserted into the connecting seat and fixed to the connecting seat, which can ensure the reliability of the fixed connection between the plurality of connecting rods and the connecting seat. It can be, but not limited to, that the connecting seat 1423 is provided with a plurality of second through holes 1423c, which can reduce the weight of the connecting seat 1423 and achieve lightweight. The latch 1500 may be provided with a handle 1510, which is convenient for pulling the latch 1500 to move and prevent the latch 1500 from falling. The latch 1500 is also provided with a pin 1520. The cooperation of the handle 1510 and the pin 1520 can prevent the latch 1500 from being separated from the connecting seat 1423, thereby ensuring the reliability of the connection between the connecting seat 1423 and the first rotating end or the second rotating end.

[0055] It is possible but not limited to that the first rotating end 1210 is provided with two opposite first anti-rotation planes 1212, the second rotating end 1310 is provided with two opposite second anti-rotation planes 1312, and the connecting hole 1423a is provided with two opposite third anti-rotation planes 1423b. When the first rotating member is inserted into the connecting hole, the first anti-rotation plane is opposite to the third anti-rotation plane, which can prevent the first rotating member from rotating relative to the connecting seat, so that the first rotating member and the connecting seat can rotate together. When the second rotating member is inserted into the connecting hole, the second anti-rotation plane is opposite to the third anti-rotation plane, which can prevent the second rotating member from rotating relative to the connecting seat, so that the second rotating member and the connecting seat can rotate together.

[0056] It can be but not limited to that the leggings seat is provided with a plurality of slide rails 1415, and the sliding block is provided with a plurality of sliders 1424. The sliders 1424 are slidably connected with the slide rails 1415 to realize the sliding connection between the sliding block and the leggings seat, thereby ensuring the stability of the sliding connection between the sliding block and the leggings seat.

[0057] refer to Figure 4 and 5 Furthermore, the legging seat 1410, the strap 1411 and the legging pad 1412 are fixed by multiple first bolts 1413 and multiple second bolts 1414, and the sliding block 1420 is fixedly connected to the side facing the legging seat 1410 with a follower block 1421, and the follower block 1421 slides between the first bolt 1413 and the second bolt 1414.

[0058] In an embodiment of the present invention, a plurality of first bolts and a plurality of second bolts are screwed into the leggings seat from the side of the leggings seat facing away from the leggings pad, so as to facilitate the rotation of the first bolts and the second bolts. The first bolt 1413 is provided with a first bolt head 1413a, and the second bolt 1414 is provided with a second bolt head 1414a, and the first bolt head 1413a and the second bolt head 1414a are both exposed from the side of the leggings seat facing away from the leggings pad. A follower block is fixedly connected to the side of the sliding block facing the leggings seat, and the follower block moves between the first bolt head 1413a and the second bolt head 1414a, and the first bolt head 1413a and the second bolt head 1414a can stop the follower block to prevent the leggings seat from being separated from the sliding block, thereby ensuring the reliability of the sliding connection between the leggings seat and the sliding block. The first bolt and the second bolt play both a connecting role and a limit stop role.

[0059] Another embodiment of the present invention is, referring to Figures 1 to 16 A hip training test device includes: a driving mechanism 400; a quick-change legging mechanism 100, wherein the driving mechanism 400 drives a sliding component 1100 to slide back and forth through a transmission belt 300.

[0060] In the embodiment of the present invention, the driving mechanism 400 includes a motor 410, a winding drum 420, a steel wire 430 and a driving slider 440. The winding drum 420 is wound with the steel wire 430. The two ends of the steel wire 430 are respectively connected to the driving slider 440 through a pulley block 450. The driving slider 440 is slidably connected to the second guide rod 460. The two ends of the transmission belt 300 are respectively connected to the driving slider 440. The motor 410 drives the winding drum 420 to rotate forward and reversely. The winding drum 420 drives the driving slider 440 to slide back and forth through the steel wire 430. The reciprocating slide of the driving slider 440 drives the sliding member 1100 to slide back and forth through the transmission belt 300. The sliding member 1100 drives the leggings member 1400 to reciprocate. The leggings member 1400 drives the legs tied thereto to reciprocate, thereby realizing the hip training test.

[0061] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A quick-change leggings mechanism, characterized in that: The quick-change leggings mechanism comprises: a plurality of first guide rods; A sliding member is slidably connected to a plurality of first guide rods respectively, and the sliding member is rotatably connected with a first rotating member and a second rotating member respectively, an end of the first rotating member extending out of the sliding member is a first rotating end, and an end of the second rotating member extending out of the sliding member is a second rotating end, and the first rotating end and the second rotating end are symmetrically distributed on both sides of the sliding member, the sliding member includes a sliding seat, the sliding seat is provided with a first through hole for a transmission belt to pass through, at least one clamping assembly is arranged in the first through hole, the clamping assembly clamps the transmission belt, the clamping assembly includes a first clamping block and a second clamping block arranged opposite to each other, the transmission belt passes between the first clamping block and the second clamping block, the first through hole includes a first side wall and a second side wall opposite to each other, the first clamping block is connected to the first side wall, and the second clamping block is connected to the second side wall, the clamping assembly is provided with at least one driving member, the driving member drives the first clamping block to be close to the second clamping block, so that the first clamping block and the second clamping block clamp the transmission belt, the sliding seat is composed of a first shell and a second shell that are detachably fixed, and the first shell and the second shell have the same structure; A transmission belt connected to the sliding member and driving the sliding member to slide; a legging member, which is detachably fixedly connected to any one of the first rotating end and the second rotating end, The first housing is provided with a first step hole, the first rotating member passes through the first step hole, the first rotating member is rotatably connected to the first housing through a first bearing, the first step hole is provided with a first step, the first rotating member is provided with a first limiting portion at one end facing away from the first rotating end, the diameter of the first limiting portion is greater than the diameter of the first rotating member, the first bearing is located between the first limiting portion and the first step, the first housing is detachably fixedly connected with a first stop rod, the first stop rod extends into the first step hole, and the first stop rod is located at a side of the first limiting portion facing away from the first rotating end. The second shell is provided with a second step hole, the second rotating member passes through the second step hole, the second rotating member is rotatably connected to the second shell through a second bearing, the second step hole is provided with a second step, the second rotating member is provided with a second limiting portion at one end facing away from the second rotating end, the diameter of the second limiting portion is greater than the diameter of the second rotating member, the second bearing is located between the second limiting portion and the second step, the second shell is detachably fixedly connected with a second stop rod, the second stop rod extends into the second step hole, and the second stop rod is located on the side of the second limiting portion facing away from the second rotating end.

2. The quick-change leggings mechanism according to claim 1, characterized in that: The first clamping block includes a first connecting portion and a first clamping portion, the first connecting portion is rotatably connected to the first side wall via a first rotating shaft, the second clamping block includes a second connecting portion and a second clamping portion, the second connecting portion is rotatably connected to the second side wall via a second rotating shaft, and the first clamping portion and the second clamping portion clamp the transmission belt.

3. The quick-change leggings mechanism according to claim 1, characterized in that: The legging member is detachably fixedly connected to any one of the first rotating end and the second rotating end via a latch.

4. The quick-change leggings mechanism according to claim 1, characterized in that: The leggings assembly includes a leggings seat and a sliding block slidably connected to the leggings seat, the leggings seat is provided with at least one strap, a leggings pad is detachably fixedly connected to the side of the leggings seat facing away from the sliding block, and the sliding block is detachably fixedly connected to either the first rotating end or the second rotating end.

5. The quick-change leggings mechanism according to claim 4, characterized in that: The leggings seat, the straps and the leggings pad are fixed by a plurality of first bolts and a plurality of second bolts. A follower block is fixedly connected to the side of the sliding block facing the leggings seat, and the follower block slides between the first bolts and the second bolts.

6. A hip training test device, characterized in that: The hip training test device includes: Driving mechanism; The quick-change legging mechanism according to any one of claims 1 to 5, wherein the driving mechanism drives the sliding member to slide back and forth via a transmission belt.

Images