Restraint testing device of sports protector

Abstract

The invention discloses a restraint testing device for sports protectors, and relates to the technical field of testing devices. The device comprises a base, a stretching device is arranged at the top of the base, a moving device is arranged at the top of the base, an adjusting device is arranged at the top of the moving device, a supporting column is fixedly connected to the top of the adjusting device, and a human body model is fixedly connected to the top of the supporting column. The outer wall of the human body model is sleeved with a protector body. Through cooperation of a U-shaped rail block, a long rod, a moving block, a T-shaped handle, an elastic bag ring and liquid storage cotton, an anti-wear agent in the liquid storage cotton can be smeared to the surface of a human body model through a flow guide groove in the moving process of the liquid storage cotton, so that the situation that the human body model is abraded due to long-time use of the human body model, the friction coefficient is changed, and the service life of the human body model is prolonged is avoided. The friction force is not kept consistent any more, and the accuracy of a test result is influenced.

Description

Technical Field

[0001] The invention relates to the technical field of testing devices, in particular to a restraint testing device for sports protective gear. Background Art

[0002] The constraint test device for sports protective gear includes a support frame, an adjustment mechanism, a force-applying component and a sensor. The support frame fixes the protective gear, and the adjustment mechanism accurately locates the contact surface between the protective gear and the test model. The force-applying component applies a preset force, and the sensor monitors the deformation and response of the protective gear in real time. The system can simulate the constraint of the protective gear in actual sports, evaluate its performance under different conditions, and ensure the effective protection and comfort of the protective gear.

[0003] Patent announcement number CN117571474A discloses a constraint test device for sports protective gear, including a test platform and a fixing mechanism and a force-applying mechanism assembled on the test platform, wherein a human body model is connected to the fixing mechanism; the force-applying mechanism includes a tension component, which includes a force-applying part, a pull rope and a displacement measuring part, wherein the force-applying part is arranged at the free end of the pull rope, and the tension value output by the force-applying part meets the tension value required in the test standard, and the test end of the pull rope is connected to a clamp acting at the force-applying point of the protective gear, and the force-applying direction of the pull rope on the force-applying point of the protective gear meets the force-applying direction required in the test standard. The invention can improve the detection efficiency of the deformation of the sports protective gear and the accuracy of the detection results; the present invention is suitable for enterprises or quality inspection units that produce sports protective gear or need to test sports protective gear, and is used for performing constraint tests on the protective gear.

[0004] However, the current test device has the following problems: the model in the test device will wear on the surface during multiple uses or tests, and the surface wear will change the friction coefficient, making the friction force no longer consistent. The change in friction force may lead to inaccurate protective gear test results. Therefore, we propose a constraint test device for sports protective gear. Summary of the invention

[0005] In view of the deficiencies of the prior art, the present invention provides a restraint testing device for sports protective gear, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a constraint testing device for sports protective gear, comprising a base, a stretching device is provided on the top of the base, a moving device is provided on the top of the base, an adjusting device is provided on the top of the moving device, a support column is fixedly connected to the top of the adjusting device, a human model is fixedly connected to the top of the support column, a protective gear body is sleeved on the outer wall of the human model, a U-shaped track block is fixedly connected to the outer wall of the support column, a long rod is fixedly connected to the bottom of the inner wall of the U-shaped track block, a moving block is slidably connected to the outer wall of the long rod, a T-shaped handle is fixedly connected to the side of the moving block, an elastic capsule ring is fixedly connected to the side of the moving block away from the T-shaped handle, a liquid storage cotton is fixedly connected to the inner wall of the elastic capsule ring, a guide groove is opened between the liquid storage cotton and the elastic capsule ring, the guide groove is in contact with the outer wall of the human model, the elastic capsule ring is in contact with the outer wall of the human model, and the side of the T-shaped handle is fixedly connected to the side of the moving block away from the T-shaped handle. The protective gear body is in contact with the inner wall of the U-shaped track block, the outer wall of the liquid storage cotton is fixedly connected with a one-way liquid inlet pipe, the top of the elastic sac ring is provided with an anti-adhesion device, and the side of the moving block is provided with a positioning device, the protective gear body is bound to the outer wall of the human body model, and then the various points of the protective gear body are stretched by the stretching device, so as to achieve the constraint test of the protective gear body, but the human body model will be worn on the surface during multiple uses or tests, and the surface wear will change the friction coefficient, so that the friction force is no longer consistent. The change in friction force may cause inaccurate protective gear test results. Therefore, before binding the protective gear body, the staff moves the T-shaped handle along the track groove of the U-shaped track block. The movement of the T-shaped handle will drive the moving block to move, the movement of the moving block will drive the elastic sac ring to move, and the movement of the elastic sac ring will drive the liquid storage cotton to move. During the movement, the liquid storage cotton will apply the anti-wear agent inside the liquid storage cotton to the surface of the human body model through the guide groove.

[0007] According to the above technical solution, a fixing ring is fixedly connected to the bottom of the inner wall of the U-shaped track block, a plurality of elastic rods are fixedly connected to the top of the fixing ring, a plurality of elastic rods are fixedly connected to the top of the plurality of elastic rods, and a squeezing ring is fixedly connected to the top of the plurality of elastic rods. The squeezing ring is located on the displacement track of the elastic sac ring. When the elastic sac ring moves downward, the elastic sac ring will be squeezed by the squeezing ring. When the squeezing ring squeezes the elastic sac ring, it will also squeeze the liquid storage cotton.

[0008] According to the above technical scheme, the anti-adhesion device includes a cleaning brush ring, the bottom of the cleaning brush ring is rotatably connected to the top of the elastic bag ring, the outer wall of the cleaning brush ring is fixedly connected with a swivel one, the outer wall of the long rod is provided with a spiral groove, the outer wall of the spiral groove is rotatably connected with a swivel two, the inner wall of the swivel two is fixedly connected with a slider slidably installed on the inner wall of the spiral groove, a belt is arranged between the swivel two and the swivel one, the brush of the cleaning brush ring contacts the outer wall of the human body model, the movement of the moving block will drive the swivel two to move, the slider on the inner wall of the swivel two will move along the inner wall of the spiral groove, the movement of the slider will cause the swivel two to rotate, the rotation of the swivel two will drive the swivel one to rotate through the belt, the rotation of the swivel one will drive the cleaning brush ring to rotate, and at the same time, the movement of the elastic bag ring will drive the cleaning brush ring to move, so the cleaning brush ring will rotate when it moves on the surface of the human body model.

[0009] According to the above technical solution, a connecting ring is fixedly connected to the top of the rotating ring 1, and a plurality of fan plates are fixedly connected to the top of the connecting ring. A gap is arranged between the plurality of fan plates and the human body model. When the cleaning brush ring moves, it rotates, which drives the connecting ring to rotate as well, and when the connecting ring moves, it rotates, which drives the fan plates to rotate as well.

[0010] According to the above technical solution, the positioning device includes a fixed block, the side surface of the fixed block is fixedly connected to the side surface of the moving block, the side of the fixed block away from the moving block is fixedly connected with a circular block, the top of the circular block is slidably connected to a limiting ring, a spring is arranged between the limiting ring and the circular block, the outer wall of the limiting ring is fixedly connected to an L-shaped limiting block, the outer wall of the circular block is fixedly connected to a fixed plate, the side surface of the fixed plate is penetrated by and slidably connected with a pull rod, one end of the pull rod is fixedly connected to the side surface of the L-shaped limiting block, and when the pull rod is pulled, the pull rod will drive the L-shaped limiting block to move, and the movement of the L-shaped limiting block will drive the limiting ring away from the human body model, and the movement of the limiting ring will affect the spring The spring is squeezed, and at the same time, the movement of the moving block will drive the fixed block to move, the movement of the fixed block will drive the return block to move, the movement of the return block will drive the limit ring to move, the movement of the limit ring will drive the L-shaped limit block to move, the movement of the L-shaped limit block will drive the fixed plate to move, and the movement of the fixed plate will drive the pull rod to move. When the moving block moves to the top of the U-shaped track block, the protective gear body is placed on the surface of the L-shaped limit block, and then the moving block drives the fixed block, the return block, the limit ring, and the L-shaped limit block to move downward to the specified position, and then the pull rod is released, and the spring corresponding to the limit ring will drive the limit ring and the L-shaped limit block to reset through its own elastic force.

[0011] According to the above technical solution, the side surface of the fixing plate contacts the side surface of the fixing block, the inner wall of the limiting ring contacts the outer wall of the protective gear body, and the limiting ring further fixes the human body model.

[0012] The present invention provides a restraint test device for sports protective gear, which has the following beneficial effects: (1) The present invention cooperates with the U-shaped track block, the long rod, the moving block, the T-shaped handle, the elastic capsule ring, and the liquid storage cotton, so that the liquid storage cotton can apply the anti-wear agent inside the liquid storage cotton to the surface of the human body model through the guide groove during the movement, thereby avoiding the problem that the human body model is worn due to long-term use, thereby changing the friction coefficient, making the friction force no longer consistent, and affecting the accuracy of the test result; at the same time, the elastic capsule ring, the liquid storage cotton, and the extrusion ring are coordinated, so that when the extrusion ring squeezes the elastic capsule ring, it will squeeze the liquid storage cotton at the same time, thereby squeezing the anti-wear agent inside the liquid storage cotton away from the side of the guide groove to the side close to the guide groove, thereby ensuring that the anti-wear agent can be normally applied to the surface of the human body model when it is used next time.

[0013] (2) The present invention sets an anti-adhesion device so that the first rotating ring, the spiral groove, the second rotating ring and the belt cooperate, so that the movement of the elastic bag ring will drive the cleaning brush ring to move. Therefore, the cleaning brush ring will rotate when it moves on the surface of the human body model, and the cleaning brush ring will clean the impurities on the surface of the human body model, thereby avoiding the presence of debris on the surface of the model, resulting in the anti-wear agent not being able to adhere evenly to the surface of the model, thereby affecting the protective effect and performance of the anti-wear agent; at the same time, through the cooperation of the connecting ring and the fan plate, the movement of the connecting ring will drive the fan plate to rotate when it moves, and the movement of the fan plate will speed up the cleaning of the debris on the surface of the model, and after the anti-wear agent is applied, it will speed up the drying of the anti-wear agent.

[0014] (3) The present invention sets a positioning device so that the circular block, the limit ring, the L-shaped limit block, the fixed plate and the pull rod cooperate with each other, so that the spring corresponding to the limit ring can drive the limit ring and the L-shaped limit block to reset through its own elastic force, thereby positioning the protective gear body, thereby avoiding the problem that different binding positions each time will lead to inconsistent test results and difficulty in effective comparison and analysis; at the same time, through the cooperation of the human body model and the limit ring, the limit ring can further fix the human body model, thereby avoiding the problem that the human body model shakes when the protective gear body is tested, thereby affecting the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The present invention is schematically shown as a whole Figure 1 ; Figure 2 The present invention is schematically shown as a whole Figure 2 ; Figure 3 This is a schematic diagram of the structure of the U-shaped track block of the present invention; Figure 4 This is a schematic diagram of the structure of the cleaning brush ring of the present invention; Figure 5 This is a schematic diagram of the structure of the liquid storage cotton of the present invention; Figure 6 This is a schematic structural diagram of the anti-adhesion device of the present invention; Figure 7 It is a structural schematic diagram of the positioning device of the present invention.

[0016] In the figure: 1. base; 2. stretching device; 3. moving device; 4. adjusting device; 5. supporting column; 6. human body model; 7. protective gear body; 8. anti-adhesion device; 81. cleaning brush ring; 82. swivel one; 83. spiral groove; 84. swivel two; 85. belt; 86. connecting ring; 87. fan plate; 9. positioning device; 91. fixed block; 92. circular block; 93. limiting ring; 94. L-shaped limiting block; 95. fixed plate; 96. pull rod; 10. U-shaped track block; 11. long rod; 12. moving block; 13. T-shaped handle; 14. elastic bag ring; 15. liquid storage cotton; 17. fixed ring; 18. elastic rod; 19. extrusion ring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] See also Figure 1-7An embodiment of the present invention is: a restraint test device for sports protective gear, comprising a base 1, a stretching device 2 is arranged on the top of the base 1, a moving device 3 is arranged on the top of the base 1, an adjusting device 4 is arranged on the top of the moving device 3, a support column 5 is fixedly connected to the top of the adjusting device 4, a human model 6 is fixedly connected to the top of the support column 5, a protective gear body 7 is sleeved on the outer wall of the human model 6, a U-shaped track block 10 is fixedly connected to the outer wall of the support column 5, a long rod 11 is fixedly connected to the bottom of the inner wall of the U-shaped track block 10, a moving block 12 is slidably connected to the outer wall of the long rod 11, a T-shaped handle 13 is fixedly connected to the side of the moving block 12, an elastic capsule ring 14 is fixedly connected to the side of the moving block 12 away from the T-shaped handle 13, and the inner wall of the elastic capsule ring 14 is fixedly connected There is a liquid storage cotton 15, and a guide groove is opened between the liquid storage cotton 15 and the elastic sac ring 14. The guide groove contacts the outer wall of the human body model 6, and the elastic sac ring 14 contacts the outer wall of the human body model 6. The side of the T-shaped handle 13 contacts the inner wall of the U-shaped track block 10. The outer wall of the liquid storage cotton 15 is fixedly connected with a one-way liquid inlet pipe, and the top of the elastic sac ring 14 is provided with an anti-adhesion device 8, and the side of the moving block 12 is provided with a positioning device 9. Through the setting of the above structure, the liquid storage cotton 15 will apply the anti-wear agent inside the liquid storage cotton 15 to the surface of the human body model 6 through the guide groove during the movement, thereby avoiding the long-term use of the human body model 6, causing the human body model 6 to avoid wear, thereby changing the friction coefficient, so that the friction force is no longer consistent, affecting the accuracy of the test results.

[0019] A fixing ring 17 is fixedly connected to the bottom of the inner wall of the U-shaped track block 10, a plurality of elastic rods 18 are fixedly connected to the top of the fixing ring 17, a squeezing ring 19 is fixedly connected to the top of the plurality of elastic rods 18, and the squeezing ring 19 is located on the displacement track of the elastic sac ring 14. Through the arrangement of the above structure, when the squeezing ring 19 squeezes the elastic sac ring 14, it will also squeeze the liquid storage cotton 15, thereby squeezing the anti-wear agent on the side of the liquid storage cotton 15 away from the guide groove to the side close to the guide groove, thereby ensuring that the anti-wear agent can be normally applied to the surface of the human body model 6 when it is used next time.

[0020] The anti-adhesion device 8 includes a cleaning brush ring 81, the bottom of which is rotatably connected to the top of the elastic bag ring 14, the outer wall of the cleaning brush ring 81 is fixedly connected to a swivel 1 82, the outer wall of the long rod 11 is provided with a spiral groove 83, the outer wall of the spiral groove 83 is rotatably connected to a swivel 2 84, the inner wall of the swivel 2 84 is fixedly connected to a slider slidably installed on the inner wall of the spiral groove 83, a belt 85 is arranged between the swivel 2 84 and the swivel 1 82, the brush of the cleaning brush ring 81 is in contact with the outer wall of the human body model 6, through the arrangement of the above structure, the cleaning brush ring 81 will rotate when moving on the surface of the human body model 6, and the cleaning brush ring 81 will clean the impurities on the surface of the human body model 6, thereby avoiding the presence of debris on the model surface, resulting in the anti-wear agent being unable to adhere evenly to the model surface, thereby affecting the protection effect and performance of the anti-wear agent.

[0021] A connecting ring 86 is fixedly connected to the top of the rotating ring 82, and a plurality of fan plates 87 are fixedly connected to the top of the connecting ring 86. A gap is set between the plurality of fan plates 87 and the human body model 6. Through the setting of the above structure, the connecting ring 86 rotates when it moves, which drives the fan plates 87 to rotate when they move. The fan plates 87 rotate when they move, which speeds up the cleaning of debris on the surface of the model and speeds up the drying of the anti-wear agent after the anti-wear agent is applied.

[0022] During use, the protective gear body 7 is bound to the outer wall of the human body model 6, and then the various points of the protective gear body 7 are stretched by the stretching device 2, so as to achieve the constraint test of the protective gear body 7. However, the surface of the human body model 6 will be worn during multiple uses or tests. The surface wear will change the friction coefficient, so that the friction force is no longer consistent. The change in friction force may cause inaccurate protective gear test results. Therefore, before binding the protective gear body 7, the staff moves the T-shaped handle 13 along the track groove of the U-shaped track block 10. The movement of the T-shaped handle 13 will drive the moving block 12 to move, and the movement of the moving block 12 will drive the elastic capsule ring 14 to move, and the movement of the elastic capsule ring 14 will drive The liquid storage cotton 15 moves, and during the movement, the anti-wear agent inside the liquid storage cotton 15 will be applied to the surface of the human body model 6 through the guide groove, thereby preventing the human body model 6 from being used for a long time, causing the human body model 6 to avoid wear, thereby changing the friction coefficient, making the friction force no longer consistent, and affecting the accuracy of the test result; when the elastic capsule ring 14 moves downward, the elastic capsule ring 14 will be squeezed by the extrusion ring 19, and when the extrusion ring 19 squeezes the elastic capsule ring 14, it will also squeeze the liquid storage cotton 15, thereby squeezing the anti-wear agent inside the liquid storage cotton 15 away from the side of the guide groove to the side close to the guide groove, thereby ensuring that the anti-wear agent can be normally applied to the surface of the human body model 6 when it is used next time.

[0023] The movement of the moving block 12 will drive the second rotating ring 84 to move, and the slider on the inner wall of the second rotating ring 84 will move along the inner wall of the spiral groove 83. The movement of the slider will cause the second rotating ring 84 to rotate. The rotation of the second rotating ring 84 will drive the first rotating ring 82 to rotate through the belt 85. The rotation of the first rotating ring 82 will drive the cleaning brush ring 81 to rotate. At the same time, the movement of the elastic bag ring 14 will drive the cleaning brush ring 81 to move. Therefore, the cleaning brush ring 81 will rotate when it moves on the surface of the human model 6. The cleaning brush ring 81 will clean the impurities on the surface of the human model 6, thereby avoiding the presence of debris on the surface of the model, resulting in the anti-wear agent being unable to adhere evenly to the surface of the model, thereby affecting the protective effect and performance of the anti-wear agent; the rotation of the cleaning brush ring 81 when it moves will drive the connecting ring 86 to rotate when it moves, and the rotation of the connecting ring 86 when it moves will drive the fan plate 87 to rotate when it moves. The rotation of the fan plate 87 when it moves will speed up the cleaning of debris on the surface of the model, and after the anti-wear agent is applied, speed up the drying of the anti-wear agent.

[0024] See also Figure 1-7 On the basis of the above embodiment, in another embodiment of the present invention, the positioning device 9 includes a fixed block 91, the side of the fixed block 91 is fixedly connected to the side of the moving block 12, the side of the fixed block 91 away from the moving block 12 is fixedly connected with a round block 92, the top of the round block 92 is slidably connected to a limit ring 93, a spring is arranged between the limit ring 93 and the round block 92, the outer wall of the limit ring 93 is fixedly connected to an L-shaped limit block 94, the outer wall of the round block 92 is fixedly connected to a fixed plate 95, the side of the fixed plate 95 is penetrated and slidably connected with a pull rod 96, one end of the pull rod 96 is fixedly connected to the side of the L-shaped limit block 94, through the setting of the above structure, the spring corresponding to the limit ring 93 will drive the limit ring 93 and the L-shaped limit block 94 to reset through its own elastic force, thereby positioning the protective gear body 7, thereby avoiding the problem that different binding positions each time will lead to inconsistent test results and difficulty in effective comparison and analysis.

[0025] The side of the fixing plate 95 contacts the side of the fixing block 91, and the inner wall of the limiting ring 93 contacts the outer wall of the protective gear body 7. Through the arrangement of the above structure, the limiting ring 93 can further fix the human body model 6 to avoid shaking of the human body model 6 when the protective gear body 7 is tested, thereby affecting the test results.

[0026] When in use, pull the pull rod 96, the pull rod 96 will drive the L-shaped limit block 94 to move, the movement of the L-shaped limit block 94 will drive the limit ring 93 away from the human body model 6, and the movement of the limit ring 93 will squeeze the spring, and at the same time, the movement of the moving block 12 will drive the fixed block 91 to move, the movement of the fixed block 91 will drive the round block 92 to move, the movement of the round block 92 will drive the limit ring 93 to move, the movement of the limit ring 93 will drive the L-shaped limit block 94 to move, the movement of the L-shaped limit block 94 will drive the fixed plate 95 to move, and the movement of the fixed plate 95 will drive the pull rod 96 to move. When the moving block 12 moves to the upper side of the U-shaped track block 10 When the protective gear body 7 is placed on the surface of the L-shaped limit block 94, the moving block 12 drives the fixed block 91, the circular block 92, the limit ring 93, and the L-shaped limit block 94 to move downward to the specified position, and then the pull rod 96 is released. The spring corresponding to the limit ring 93 drives the limit ring 93 and the L-shaped limit block 94 to reset through its own elastic force, thereby positioning the protective gear body 7, thereby avoiding the problem that different binding positions each time will lead to inconsistent test results and difficulty in effective comparison and analysis; at the same time, the limit ring 93 will further fix the human body model 6 to avoid shaking of the human body model 6 when the protective gear body 7 is tested, thereby affecting the test results.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A restraint testing device for sports protective gear, comprising a base (1), a stretching device (2) being arranged on the top of the base (1), a moving device (3) being arranged on the top of the base (1), an adjusting device (4) being arranged on the top of the moving device (3), a supporting column (5) being fixedly connected to the top of the adjusting device (4), a human model (6) being fixedly connected to the top of the supporting column (5), a protective gear body (7) being sleeved on the outer wall of the human model (6), characterized in that: The outer wall of the support column (5) is fixedly connected to a U-shaped track block (10), the bottom of the inner wall of the U-shaped track block (10) is fixedly connected to a long rod (11), the outer wall of the long rod (11) is slidably connected to a moving block (12), the side of the moving block (12) is fixedly connected to a T-shaped handle (13), the side of the moving block (12) away from the T-shaped handle (13) is fixedly connected to an elastic capsule ring (14), the inner wall of the elastic capsule ring (14) is fixedly connected to a liquid storage cotton (15), a guide groove is provided between the liquid storage cotton (15) and the elastic capsule ring (14), the top of the elastic capsule ring (14) is provided with an anti-adhesion device (8), and the side of the moving block (12) is provided with a positioning device (9).

2. A sports protective gear constraint testing device according to claim 1, characterized in that: A fixing ring (17) is fixedly connected to the bottom of the inner wall of the U-shaped track block (10), a plurality of elastic rods (18) are fixedly connected to the top of the fixing ring (17), and an extrusion ring (19) is fixedly connected to the top of the plurality of elastic rods (18).

3. A sports protective gear constraint testing device according to claim 2, characterized in that: The extrusion ring (19) is located on the displacement track of the elastic sac ring (14), the guide groove is in contact with the outer wall of the human body model (6), the elastic sac ring (14) is in contact with the outer wall of the human body model (6), the side surface of the T-shaped handle (13) is in contact with the inner wall of the U-shaped track block (10), and the outer wall of the liquid storage cotton (15) is fixedly connected to a one-way liquid inlet pipe.

4. A sports protective gear constraint testing device according to claim 3, characterized in that: The anti-adhesion device (8) comprises a cleaning brush ring (81), the bottom of which is rotatably connected to the top of the elastic bag ring (14), the outer wall of the cleaning brush ring (81) is fixedly connected to a swivel ring (82), the outer wall of the long rod (11) is provided with a spiral groove (83), the outer wall of the spiral groove (83) is rotatably connected to a swivel ring (84), the inner wall of the swivel ring (84) is fixedly connected to a slider slidably mounted on the inner wall of the spiral groove (83), and a belt (85) is provided between the swivel ring (84) and the swivel ring (82).

5. A sports protective gear constraint testing device according to claim 4, characterized in that: A connecting ring (86) is fixedly connected to the top of the rotating ring 1 (82), and a plurality of fan plates (87) are fixedly connected to the top of the connecting ring (86).

6. A sports protective gear constraint testing device according to claim 5, characterized in that: Gaps are provided between the plurality of fan plates (87) and the human body model (6), and the brush portion of the cleaning brush ring (81) is in contact with the outer wall of the human body model (6).

7. A sports protective gear constraint testing device according to claim 6, characterized in that: The positioning device (9) comprises a fixed block (91), the side of the fixed block (91) is fixedly connected to the side of the moving block (12), the side of the fixed block (91) away from the moving block (12) is fixedly connected to a circular block (92), the top of the circular block (92) is slidably connected to a limit ring (93), a spring is provided between the limit ring (93) and the circular block (92), the outer wall of the limit ring (93) is fixedly connected to an L-shaped limit block (94), the outer wall of the circular block (92) is fixedly connected to a fixed plate (95), the side of the fixed plate (95) is penetrated by and slidably connected to a pull rod (96), one end of the pull rod (96) is fixedly connected to the side of the L-shaped limit block (94).

8. The restraint testing device for sports protective gear according to claim 7, characterized in that: The side surface of the fixing plate (95) contacts the side surface of the fixing block (91), and the inner wall of the limiting ring (93) contacts the outer wall of the protective gear body (7).

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