Polyurethane knee protector

By designing a detachable protective baffle that connects to the main body of the knee brace, the problem of wear and tear in the patellar area of ​​traditional knee braces is solved. This allows for the individual replacement of critical protective components, reducing costs and resource waste, and improving installation stability and usage flexibility.

CN223900274UActive Publication Date: 2026-02-13ZHEJIANG ERYUAN POLYURETHANE CO LTD
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Patent Information

Application Number
CN202520089450.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-02-13
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Traditional knee braces are prone to wear and tear or damage in the patellar area, requiring the entire knee brace to be replaced, increasing user costs and wasting resources.

Method used

The design features a detachable protective panel that connects to the knee brace body. The panel can be detached and installed using a fixing slot, fixing ear, Velcro, and threaded connection. The TPU material enhances its wear resistance and stability.

Benefits of technology

It enables the individual replacement of key protective components, reduces usage costs, improves resource utilization efficiency, enhances installation stability and usage flexibility, and extends the service life of the knee brace.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a polyurethane knee protector, which comprises a knee pad main body and a protection baffle plate, a mounting groove with a forward opening is arranged right in front of the knee pad main body, and the protection baffle plate is detachably arranged on the mounting groove. According to the knee pad device, the key protection part of the knee pad can be independently replaced after being damaged, and the whole knee pad device does not need to be replaced. The use cost of a user is reduced, the resource utilization efficiency of a product is improved, and waste is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a knee guard technical field, especially a polyurethane knee guard. BACKGROUND

[0002] In daily life, whether it is a sports enthusiast or a person engaged in physical labor, the knee joint is one of the body parts most susceptible to injury. Therefore, various types of knee guard products exist on the market to provide additional protection and support. The main body of a traditional knee guard is generally of an integral molding structure, but because the front side of the knee guard (i.e., the patellar region) bears a large amount of pressure and friction during use, especially in the event of a fall or a knee-down situation, this part is often prone to wear or damage. Once a part of the knee guard is damaged, the entire knee guard usually needs to be replaced, which not only increases the cost of the user but also causes a waste of resources. Therefore, in view of the above technical problems, the present application makes improvements. SUMMARY

[0003] The utility model provides a polyurethane knee guard, solve above -mentioned problem existing in the prior art in the use process.

[0004] The technical scheme of the utility model is implemented as follows: a polyurethane knee guard, comprising a knee guard main body and a protective baffle, a mounting groove with a front opening is formed on the front of the knee guard main body, and the protective baffle is detachably mounted on the mounting groove.

[0005] Preferably, the knee guard main body is provided with a fixing groove on the side of the mounting groove, two fixing grooves are respectively arranged on the left and right sides of the knee guard main body, the protective baffle is fixedly connected with fixing ears corresponding in position and number to the fixing grooves on one side in the mounting groove, and the fixing ears are used for being inserted into the fixing grooves.

[0006] Preferably, the knee guard main body is fixedly provided with a magic tape wool surface inside the mounting groove, and the protective baffle is fixedly connected with a magic tape hook surface on the side facing the magic tape wool surface.

[0007] Preferably, the knee guard main body is provided with a fixing port penetrating into the fixing groove at the position corresponding to each fixing groove port, a screw rod is arranged on the front side of the knee guard main body for penetrating through the fixing port and the fixing ear, a threaded cover is arranged on the rear side of the knee guard main body, and the threaded cover is threadedly connected with the screw rod.

[0008] Preferably, the knee guard main body is provided with a mounting port penetrating into the fixing groove at the position corresponding to the two fixing grooves on the left side of the knee guard main body, an elastic band is arranged on the rear side of the knee guard main body, the left end of the elastic band is inserted into the mounting port, and the elastic band is penetrated by the screw rod on the rear side of the fixing ear.

[0009] Preferably, the right end of the elastic band is fixedly connected with a connecting piece, a connecting hole is formed in the connecting piece, the front side of the screw rod on the right side of the knee pad body is fixedly connected with an extension rod, the front end of the extension rod is fixedly connected with a front baffle, and the connecting hole in the connecting piece is used for sleeving the extension rod.

[0010] Preferably, the knee pad body and the protective baffle are made of TPU material.

[0011] In summary, the knee pad has the advantages that:

[0012] 1. The protective baffle is designed to be detachably installed on the installation groove in front of the knee pad body, so that the key protection part of the knee protector can be replaced individually after being damaged, without replacing the whole knee protector. This not only reduces the use cost of the user, but also improves the resource utilization efficiency of the product and reduces waste.

[0013] 2. The design of the fixing groove and the fixing lug enhances the stability of the installation of the protective baffle, and ensures the convenience and accuracy during the dismounting process.

[0014] 3. The combination of the magic tape wool surface and the hook surface not only simplifies the installation steps of the protective baffle, but also provides additional fixing force, so that the protective baffle is more closely attached to the knee pad body. In addition, the magic tape structure allows the user to quickly adjust or remove the protective baffle as needed, increasing the flexibility of use.

[0015] 4. The combination of the screw rod and the threaded cap provides a mechanical locking mechanism, which ensures that the protective baffle will not loosen during high-intensity activities or accidental impacts.

[0016] 5. The structure of the screw rod and the threaded cap not only fixes the fixing lug of the protective baffle, but also fixes the left end of the elastic band. The right end of the elastic band can be sleeved into the extension rod through the connecting hole in the connecting piece after passing around the knee part of the human body, so that the knee pad is worn on the knee position of the human body.

[0017] 6. The knee pad body and the protective baffle are made of TPU material, which fully utilizes the high wear resistance, tear resistance and good elasticity of TPU, ensuring that the knee pad has a long service life and excellent protection performance. TPU material also has the characteristics of light weight and environmental protection. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.

[0019] Figure 1 This is a first structural schematic diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the second structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the third structure of this utility model;

[0022] Figure 4 This is the front view of the present invention;

[0023] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure along the AA direction;

[0024] Figure 6 This is a schematic diagram of the third structure of this utility model;

[0025] Figure 7 for Figure 6 A schematic diagram of the cross-sectional structure along the BB direction.

[0026] In the diagram: 1. Knee pad body; 11. Mounting slot; 12. Fixing slot; 13. Fixing port; 14. Mounting port; 2. Protective baffle; 21. Fixing ear; 31. Screw; 32. Threaded cap; 33. Extension rod; 34. Front baffle; 4. Elastic band; 5. Connecting piece; 51. Connecting port; 61. Velcro surface; 62. Velcro hook surface. Detailed Implementation

[0027] The following will refer to the appendix in the embodiments of this utility model. Figures 1-7 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0028] Example 1:

[0029] like Figures 1 to 7 As shown, this utility model discloses a polyurethane knee brace, including a knee brace body 1 and a protective baffle 2. The knee brace body 1 has a forward-facing mounting groove 11 at its front, and the protective baffle 2 is detachably mounted on the mounting groove 11. By designing the protective baffle 2 to be detachably mounted on the mounting groove 11 at the front of the knee brace body 1, this utility model allows the critical protective component of the knee brace to be replaced individually after damage, without replacing the entire knee brace. This not only reduces user costs but also improves product resource utilization efficiency and reduces waste.

[0030] Specifically, the knee pad main body 1 is provided with a fixing groove 12 penetrating into the knee pad main body 1 on the side of the installation groove 11, two fixing grooves 12 are arranged on the left and right sides of the knee pad main body 1 respectively, and the fixing lugs 21 corresponding in position and number to the fixing grooves 12 are fixedly connected to one side of the protective baffle 2 in the installation groove 11, the fixing lugs 21 are four in number and are inserted into the corresponding fixing grooves 12 respectively.

[0031] Further, the knee pad main body 1 is provided with a fixing hole 13 penetrating into the fixing groove 12 corresponding to the position of each fixing groove 12, a screw rod 31 is arranged on the front side of the knee pad main body 1 for penetrating through the fixing hole 13 and the fixing lug 21, and a threaded cover 32 is arranged on the rear side of the knee pad main body 1 and is threadedly connected with the screw rod 31. When the user installs the protective baffle 2 on the knee pad main body 1, the fixing lugs 21 of the protective baffle 2 are first inserted into the fixing grooves 12 of the knee pad main body 1 to preliminarily position the protective baffle 2, and then the screw rod 31 is penetrated through the fixing lugs 21 and locked by the threaded cover 32, so as to ensure that the protective baffle 2 is not displaced.

[0032] Further, the knee pad main body 1 is provided with an installation hole 14 penetrating into the fixing groove 12 corresponding to the two fixing grooves 12 on the left side of the knee pad main body 1, two elastic bands 4 are arranged on the rear side of the knee pad main body 1, the left ends of the elastic bands 4 are respectively inserted into the upper and lower installation holes 14 on the left side of the knee pad main body 1, the elastic bands 4 are penetrated by the screw rod 31 on the rear side of the fixing lugs 21, and it should be noted that the knee pad main body 1 is provided with two fixing holes 13 corresponding to the two fixing grooves 12 on the left side of the knee pad main body 1, and the screw rod 31 and the threaded cover 32 threadedly matched with the screw rod 31 are arranged on each of the two fixing holes 13, that is, each fixing lug 21 on the left side of the protective baffle 2 and the left end of each elastic band 4 are fixed by the two screw rods 31 and the threaded covers 32.

[0033] Still further, a connecting piece 5 is fixedly connected to the right end of the elastic band 4, a connecting hole 51 is arranged in the connecting piece 5, a extending rod 33 is fixedly connected to the front side of the screw rod 31 on the right side of the knee pad main body 1, a front baffle 34 is fixedly connected to the front end of the extending rod 33, and the connecting hole 51 of the connecting piece 5 is used for sleeving the extending rod 33.

[0034] In the utility model, the knee -pad main body 1 and the protection baffle 2 are made of TPU material, and the knee -pad main body 1 and the protection baffle 2 are made of TPU material, and the high wear resistance, tear resistance and good elasticity of TPU are fully utilized, and good elasticity is also conducive to the assembly between the knee -pad main body 1 and the protection baffle 2, and the fixed lug 21 is bent and inserted into the fixed groove 12. In addition, the knee -pad made of TPU material has long service life and excellent protection performance. TPU material also has the characteristics of light weight and environmental protection.

[0035] Example 2

[0036] The embodiment can be based on the embodiment 1, also can be based on the protection baffle 2 without fixed lug 21 and so on structure setting, wherein the knee -pad main body 1 is fixedly arranged with magic tape face 61 in the installation groove 11, and the magic tape hook face 62 is fixedly connected to the side of the protection baffle 2 towards the magic tape face 61. The magic tape face 61 and the magic tape hook face 62 are combined, so that the protection baffle 2 can be firmly and reliably adhered in the installation groove 11, so that the protection baffle 2 is more closely attached to the knee -pad main body 1, and convenient to disassemble.

[0037] Meanwhile, it needs to point out that the terms of the utility model, such as "front", "rear", "vertical", "horizontal" and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the protection scope of the utility model.

[0038] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A polyurethane knee brace characterized by: The knee pad body is provided with a mounting slot with an opening facing forward in the front, and the protective baffle is detachably mounted on the mounting slot.

2. A polyurethane knee guard according to claim 1, characterized in that: The knee pad body is provided with a Velcro hook surface inside the mounting slot.

3. A polyurethane knee guard according to claim 1, characterized in that: The knee pad body is provided with a fixing hole penetrating into the fixing slot corresponding to each fixing slot, and the front side of the knee pad body is provided with a screw rod penetrating through the fixing hole and the fixing ear.

4. A polyurethane knee guard according to claim 3, characterised in that: The knee pad body is provided with a mounting hole penetrating into the fixing slot corresponding to the two fixing slots on the left side of the knee pad body.

5. A polyurethane knee guard according to claim 4, characterised in that: The right end of the elastic band is fixedly connected with a connecting piece, and the connecting piece is provided with a connecting hole.

6. A polyurethane knee guard according to claim 1, characterized in that: The knee pad body and the protective baffle are made of TPU material.