A ground device for shoes
By incorporating a segmented grounding strip and an outer fixing module in the sole, the design solves the problems of inconvenient installation and easy detachment of existing grounding devices, achieving quick assembly and disassembly and a stable grounding function. It is suitable for various shoe types and enhances the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WENZHOU CHUANGHUI SHOE MATERIAL CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-07-14
AI Technical Summary
Existing shoe sole grounding devices are inconvenient to install and cumbersome to disassemble, making it difficult to meet the needs of rapid assembly and convenient replacement. This negatively impacts the user experience, especially in anti-static workshops where frequent disassembly is required.
The segmented grounding strip passes through the mounting holes on the sole and is bent to form inner and outer contact sections. Combined with the positioning post and anti-slip component of the outer section fixing module, it can be quickly disassembled and adapted. The anchoring spikes and interlocking holes of the inner and outer contact sections enhance stability.
It achieves flexible adaptation of the grounding device to different shoe types, quick disassembly and assembly, and secure fixation, improving ease of use and stability, and solving the problems of poor compatibility and easy detachment of existing devices.
Smart Images

Figure CN224483174U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of shoe accessories, specifically referring to a shoe grounding device. Background Technology
[0002] As a fundamental component of footwear, shoe soles not only support the weight of the body and cushion the impact of walking, but also, in special scenarios such as electronics manufacturing and electrical work, require grounding and static electricity conduction capabilities to ensure operational safety and stable equipment operation. For example, in semiconductor manufacturing workshops, grounding the shoe soles to promptly release static electricity from the human body can effectively prevent damage to precision components.
[0003] However, current grounding devices used for shoe soles suffer from significant installation convenience issues due to their complex structural design. Some grounding devices employ multi-layer nesting or bolt-fastening methods, requiring specialized tools and specific installation steps for installation, making them difficult for ordinary users to perform themselves. Other devices integrate the grounding component with the sole, necessitating replacement of the entire sole if the component is damaged, resulting in high repair costs and time consumption. Furthermore, some detachable grounding devices have overly cumbersome connection structures. For example, in frequently accessed anti-static workshops, grounding devices need daily disassembly for disinfection, but the time-consuming disassembly and installation process significantly impacts user experience and fails to meet the demands for rapid assembly and convenient replacement in practical use. Utility Model Content
[0004] This invention uses a segmented grounding strip that passes through the mounting hole on the sole and is bent to form inner and outer contact sections. Combined with the positioning post and anti-slip component of the outer section fixing module, it achieves quick assembly and disassembly of the grounding function and the shoe body, improving ease of use and solving the problems mentioned in the background art.
[0005] The purpose of this utility model is achieved as follows: a grounding device for shoes, comprising:
[0006] The sole has mounting holes that penetrate the inner and outer surfaces;
[0007] The segmented grounding strip is formed by a straight strip structure passing through the mounting hole through the sole of the shoe and being bent. The segmented grounding strip includes an inner contact section that is bent and fits against the inner surface of the sole and abuts against the foot, an outer grounding section that is bent and fits against the outer surface of the sole and abuts against the ground, and a conductive connection section that connects the inner contact section and the outer grounding section.
[0008] The outer section fixing module includes a positioning groove formed on the outer surface of the sole, a positioning post detachably connected to the outer ground section, and an anti-detachment component for locking the positioning post to the positioning groove.
[0009] The present invention is further configured such that at least one first anchoring spike is provided on the inner side of the outer grounding section, the end of which is inserted into the outer surface of the sole.
[0010] The present invention is further configured such that at least one second anchoring thorn is provided on the inner side of the inner contact section, the end of which is inserted into the inner surface of the sole.
[0011] The present invention is further configured such that the anti-detachment component includes elastic anti-detachment texture formed on the outer peripheral surface of the positioning post, and the positioning groove is provided with an anti-detachment groove that cooperates with the elastic anti-detachment texture.
[0012] The present invention is further configured such that the anti-detachment component includes an elastic flange disposed at the inner end of the positioning post, and the bottom of the positioning groove is provided with an anti-reverse step that cooperates with the elastic flange.
[0013] The present invention is further configured such that interlocking holes are respectively provided at corresponding positions of the inner contact section and the outer grounding section. When the inner contact section and the outer grounding section are aligned, the first anchoring spike is inserted into the interlocking hole of the inner contact section, and the second anchoring spike is inserted into the interlocking hole of the outer grounding section.
[0014] The present invention is further configured such that the positions of the first anchoring spike and the second anchoring spike are staggered.
[0015] The present invention is further configured such that the inner contact segment is made of a conductive elastic material.
[0016] By adopting the above technical solution, the beneficial effects that this utility model can achieve are:
[0017] 1. By setting installation holes in the sole of the shoe and using a segmented grounding strip that passes through the installation holes and is bent to form an integrated structure of inner contact section, outer grounding section and conductive connection section, the grounding device can be flexibly adapted to different shoe types, solving the problem of poor compatibility of existing devices.
[0018] 2. By using the combination of positioning posts and positioning grooves in the outer section fixing module, as well as the double-stage anti-detachment components consisting of elastic anti-detachment grooves, elastic flanges, and anti-reverse steps, the grounding strip can be quickly disassembled and securely fixed, solving the problems of inconvenient installation and easy detachment of existing devices.
[0019] 3. The interlocking hole design of the inner contact section and the outer grounding section enables the first anchoring spike and the second anchoring spike to interlock crosswise when they are engaged, which facilitates the folding and storage of the device and improves its ease of use. Attached Figure Description
[0020] Figure 1 This is a cross-sectional view of the present invention;
[0021] Figure 2 This is an exploded view of the present invention;
[0022] Figure 3 This is the flattened state of the segmented grounding strip of this utility model;
[0023] Figure 4 This is the paired state of the segmented grounding strip of this utility model.
[0024] The attached diagram is labeled as follows: 1. Shoe sole; 2. Mounting hole; 3. Segmented grounding strip; 30. Inner contact section; 31. Outer grounding section; 32. Conductive connection section; 4. Outer section fixing module; 40. Positioning groove; 41. Positioning post; 43. Anti-detachment component; 430. Elastic anti-detachment texture; 431. Anti-detachment groove; 432. Elastic flange; 433. Anti-reverse step; 5. First anchoring spike; 6. Second anchoring spike; 7. Interlocking hole. Detailed Implementation
[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. See also: Figure 1-4 :
[0026] Example 1:
[0027] This embodiment provides a shoe grounding device, including:
[0028] The sole 1 has mounting holes 2 that penetrate the inner and outer surfaces;
[0029] The segmented grounding strip 3 is formed by a straight strip structure passing through the mounting hole 2 through the sole 1 and being bent. The segmented grounding strip 3 includes an inner contact section 30 that is bent and fits against the inner surface of the sole 1 and contacts the foot, an outer grounding section 31 that is bent and fits against the outer surface of the sole 1 and contacts the ground, and a conductive connection section 32 that connects the inner contact section 30 and the outer grounding section 31.
[0030] The outer section fixing module 4 includes a positioning groove 40 formed on the outer surface of the sole 1, a positioning post 41 detachably connected to the outer ground section 31, and an anti-detachment component 43 for locking the positioning post 41 to the positioning groove 40.
[0031] The segmented grounding strip 3 is used to achieve a conductive connection between the human body and the ground, promptly guiding static electricity and other charges generated by the human body to the ground, thus playing a role in static discharge and grounding protection. The segmented grounding strip 3 is formed by bending a straight strip structure that passes through the mounting hole 2 of the shoe sole 1, and includes an inner contact section 30, an outer grounding section 31, and a conductive connection section 32. The inner contact section 30 and the outer grounding section 31 are respectively attached to the inner and outer surfaces of the shoe sole 1, and the conductive connection section 32 connects the two, forming an overall "C" shape or similar shape. The segmented grounding strip 3 is made entirely of conductive material to ensure its conductivity.
[0032] The inner contact section 30 contacts the foot, providing a comfortable contact experience while achieving conductivity, avoiding the discomfort caused by direct metal contact. The inner contact section 30 is generally a planar structure that conforms to the inner surface of the sole 1, directly contacting the foot. The inner contact section 30 is bonded to the inner surface of the sole 1 by bending the conductive connecting section 32, and can then be firmly fixed to the inner surface of the sole 1 by heat melting, adhesive bonding, or pressure applied by the foot.
[0033] The external grounding section 31, in contact with the ground, conducts the charge from the human body to the earth, and is a key component for achieving the grounding function. The external grounding section 31 is generally a planar structure that fits against the outer surface of the shoe sole 1 and is in direct contact with the ground. The external grounding section 31 is secured to the outer surface of the shoe sole 1 by the external section fixing module 4 to ensure that the current of the inner contact section 30 is conducted to the ground.
[0034] The conductive connection segment 32 connects the inner contact segment 30 and the outer grounding segment 31, ensuring that charge can be smoothly conducted from the inner contact segment 30 to the outer grounding segment 31, thus achieving conductivity of the entire grounding path. The conductive connection segment 32 is generally a columnar or strip-shaped structure that penetrates the mounting hole 2 of the sole 1, and is located inside the mounting hole 2 of the sole 1 in the working state. The conductive connection segment 32 can be integrally formed and connected with the inner contact segment 30 and the outer grounding segment 31.
[0035] The outer section fixing module 4 is used to enable quick assembly and disassembly and secure fixation of the outer grounding section 31 to the sole 1, facilitating the installation, replacement, and maintenance of the grounding device. The outer section fixing module 4 includes a positioning groove 40, a positioning post 41, and an anti-detachment component 43.
[0036] The positioning groove 40 provides installation positioning for the positioning post 41, ensuring the accurate installation position of the external grounding section 31 on the outer surface of the sole 1. The positioning groove 40 is a recess formed on the outer surface of the sole 1, and its shape matches the positioning post 41. The positioning groove 40 is detachably connected to the positioning post 41 via the anti-slip component 43.
[0037] The positioning post 41 cooperates with the positioning groove 40 to achieve a fixed connection between the external grounding section 31 and the sole 1, and the anti-detachment component 43 prevents the external grounding section 31 from falling off. The positioning post 41 is a columnar structure that matches the positioning groove 40, and it can be detachably connected to the external grounding section 31 by means of interference fit or snap fastener.
[0038] The anti-detachment component 43 is used to prevent the positioning post 41 from coming out of the positioning groove 40, ensuring the stability of the connection between the outer ground section 31 and the sole 1.
[0039] In this embodiment, when a user wears shoes with the grounding device, the static electricity or other charges generated by the human body are first conducted through the inner contact section 30, which contacts the foot, to the conductive connection section 32. Since the conductive connection section 32 penetrates the sole 1, the charge is smoothly transferred to the outer grounding section 31, which contacts the ground. The outer grounding section 31 is in close contact with the ground, guiding the charge to the earth, thereby realizing the grounding discharge function of the human body.
[0040] During installation, the straight strip structure of the segmented grounding strip 3 is passed through the mounting hole 2 of the sole 1 and then bent to form the inner contact section 30 and the outer grounding section 31. The positioning post 41 on the outer grounding section 31 is aligned with the positioning groove 40 on the outer surface of the sole 1 and inserted. At this time, the positioning post 41 and the positioning groove 40 are locked by the anti-detachment component 43.
[0041] Example 2:
[0042] This embodiment provides a shoe grounding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0043] The inner side of the outer grounding section 31 is provided with at least one first anchoring spike 5, the end of which is inserted into the outer surface of the sole 1.
[0044] In this embodiment, the first anchoring spike 5 on the inner side of the outer grounding section 31 has a spike-like structure and is firmly connected to the inner surface of the outer grounding section 31 by integral molding or high-strength bonding, welding, or other methods. Its design purpose is that when the segmented grounding strip 3 is installed on the sole 1, the spike-like first anchoring spike 5 can penetrate the outer surface of the sole 1, increasing the friction and connection strength between the outer grounding section 31 and the sole 1 through mechanical interlocking. This effectively prevents the outer grounding section 31 from shifting or falling off under the action of external forces such as walking and friction, thereby ensuring that the outer grounding section 31 is always tightly attached to the sole 1 and stably in contact with the ground, maintaining the reliability and continuity of the grounding device, and ensuring that static electricity from the human body can be smoothly released to the ground through the outer grounding section 31.
[0045] Example 3:
[0046] This embodiment provides a shoe grounding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0047] The inner contact section 30 is provided with at least one second anchoring spur 6 on its inner side, the end of which is inserted into the inner surface of the sole 1.
[0048] In this embodiment, the second anchoring spike 6 on the inner side of the inner contact section 30 adopts a spike-like structure and is firmly connected to the inner side of the inner contact section 30 through an integral molding process or high-strength bonding and welding. Its design purpose is that when the segmented grounding strip 3 is installed to the sole 1, the sharp second anchoring spike 6 can penetrate the inner surface of the sole 1, forming a mechanical anchoring point, significantly enhancing the fixing effect between the inner contact section 30 and the sole 1. This design can effectively resist the external forces generated by foot stepping and friction during walking, preventing displacement or loosening of the inner contact section 30, ensuring continuous and stable contact between the inner contact section 30 and the foot, providing a reliable path for charge conduction from the human body to the grounding device, and simultaneously improving the overall stability and safety of the grounding device.
[0049] Example 4:
[0050] This embodiment provides a shoe grounding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0051] The anti-detachment component 43 includes an elastic anti-detachment texture 430 formed on the outer peripheral surface of the positioning post 41, and the positioning groove 40 is provided with an anti-detachment groove 431 that cooperates with the elastic anti-detachment texture 430.
[0052] In this embodiment, the elastic anti-detachment texture 430 can be a spiral or annular protrusion, surrounding the outer circumference of the positioning post 41. The anti-detachment groove 431 is a recessed structure on the inner wall of the positioning groove 40 corresponding to the shape of the elastic anti-detachment texture 430. The two are closely matched in shape and size. When the positioning post 41 is inserted into the positioning groove 40, the elastic anti-detachment texture 430 undergoes elastic deformation due to compression and embeds itself into the anti-detachment groove 431. After the elastic anti-detachment texture 430 returns to its original shape, the protrusion and the recess engage with each other to form a mechanical locking structure. This design, through the tight cooperation between the elastic anti-detachment texture 430 and the anti-detachment groove 431, effectively prevents the positioning post 41 from laterally detaching from the positioning groove 40, ensuring a firm connection between the external grounding section 31 and the sole 1, preventing the grounding device from loosening and falling off under conditions such as walking vibration and external pulling, providing a reliable guarantee for the continuous and stable operation of the grounding function, and also facilitating quick disassembly and assembly by the user through appropriate force.
[0053] Example 5:
[0054] This embodiment provides a shoe grounding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0055] The anti-detachment component 43 also includes an elastic flange 432 located at the inner end of the positioning post 41, and a backstop step 433 that cooperates with the elastic flange 432 is provided at the bottom of the positioning groove 40.
[0056] The elastic flange 432 can be annularly protruding and is located at the inner end of the positioning post 41, possessing a certain elastic deformation capability. The anti-retraction step 433 is a stepped structure formed by an inward indentation at the bottom of the positioning groove 40, and its shape and size are adapted to the elastic flange 432. When the positioning post 41 is inserted into the positioning groove 40, the elastic flange 432 is compressed and deformed, and returns to its original shape after passing the anti-retraction step 433, embedding into the recessed area of the anti-retraction step 433. This design forms a longitudinal anti-detachment mechanism, which works in conjunction with the lateral locking of the elastic anti-detachment groove 430 and the anti-detachment groove 431 to prevent the positioning post 41 from being axially pulled out of the positioning groove 40. Through the engagement of the elastic flange 432 and the anti-retraction step 433, the stability of the connection between the outer grounding section 31 and the sole 1 is further enhanced, effectively resisting external forces such as pulling and impact during walking, ensuring that the grounding device always maintains a reliable connection in complex usage environments, and improving the stability and safety of the grounding function.
[0057] In this embodiment, the positioning post 41 is aligned with the positioning groove 40 and pressed vertically. At this time, the elastic anti-detachment groove 430 is compressed and contracted, and the elastic flange 432 deforms inward. When the positioning post 41 reaches the bottom of the groove, the elastic anti-detachment groove 430 is embedded in the anti-detachment groove 431, and the elastic flange 432 rebounds and locks into the anti-retraction step 433, completing the double locking. To disassemble, simply pull it out by applying force in the opposite direction.
[0058] Example 6:
[0059] This embodiment provides a shoe grounding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0060] Interlocking holes 7 are provided at corresponding positions of the inner contact section 30 and the outer grounding section 31. When the inner contact section 30 and the outer grounding section 31 are engaged, the first anchoring spike 5 is inserted into the interlocking hole 7 of the inner contact section 30, and the second anchoring spike 6 is inserted into the interlocking hole 7 of the outer grounding section 31.
[0061] The interlocking holes 7 are circular or polygonal through holes that pass through the corresponding positions of the inner contact section 30 and the outer grounding section 31, respectively. Their diameter and shape are adapted to the end contours of the first anchoring spike 5 and the second anchoring spike 6. When the inner contact section 30 and the outer grounding section 31 are folded together, the first anchoring spike 5 and the second anchoring spike 6 can be precisely inserted into the corresponding interlocking holes 7, forming a cross-interlocking mechanical connection structure. This design, on the one hand, prevents the segmented grounding strip 3 from loosening and shifting in the stored state through the interlocking of the first anchoring spike 5, the second anchoring spike 6, and the interlocking holes 7, facilitating the folding and storage of the device; on the other hand, the interlocking mechanism when folded further enhances the connection strength between the inner contact section 30 and the outer grounding section 31, reducing component vibration and wear when not in use, improving the portability and durability of the grounding device, and providing a precise positioning basis for quick reset for subsequent deployment.
[0062] In this embodiment, the folding and storage steps of the grounding device are as follows: release the anti-detachment component 43 in the outer section fixing module 4, separate the detachable positioning post 41 from the outer grounding section 31, flatten the segmented grounding strip 3 into a straight strip, fold it in half along the middle of the conductive connection section 32 so that the inner contact section 30 fits with the outer grounding section 31, press to insert the first anchoring spike 5 and the second anchoring spike 6 into the corresponding interlocking hole 7 to complete the interlocking fixation.
[0063] Example 7:
[0064] This embodiment provides a shoe grounding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0065] The positions of the first anchoring spike 5 and the second anchoring spike 6 are staggered.
[0066] In this embodiment, the first anchoring spike 5 and the second anchoring spike 6 are designed to be staggered to avoid localized stress concentration on the sole 1 due to overlapping positions when they are inserted into the sole 1, which could weaken the structural strength of the sole 1 or cause localized damage. Through this staggered distribution, the first anchoring spike 5 and the second anchoring spike 6 can form more uniform anchoring points on the inner and outer surfaces of the sole 1, expanding the contact area between the grounding strip and the sole 1 and enhancing the overall fixing effect. Furthermore, when the inner contact section 30 and the outer grounding section 31 are aligned, the staggered anchoring spikes can be precisely inserted into the corresponding interlocking holes 7, forming a more stable cross-interlocking structure. This prevents the grounding strip from sliding or loosening during folding and storage, ensuring the stability and reliability of the grounding device under different usage conditions.
[0067] Example 8:
[0068] This embodiment provides a shoe grounding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0069] The inner contact section 30 is made of a conductive elastic material.
[0070] In this embodiment, the inner contact section 30 is made of conductive elastic materials such as conductive synthetic rubber or conductive silicone, aiming to fully utilize the dual advantages of this material. On the one hand, the conductive elastic material has good conductivity, which can efficiently conduct static electricity or charge generated by the human body, allowing the current to be transmitted through the inner contact section 30 to the outer grounding section 31 via the conductive connection section 32, and finally released to the ground, ensuring stable and reliable grounding function. On the other hand, the elastic properties of the material allow it to closely conform to the contours of the foot, adapting to the differences in foot shape and dynamic deformation during walking. This reduces contact discomfort while ensuring a continuous and stable contact area, avoiding displacement or poor contact caused by walking friction, and improving wearing comfort and grounding efficiency. In addition, the elastic properties can effectively buffer the impact force during walking, reduce stress concentration between the inner contact section 30 and the sole 1, enhance the durability of the device, and enable it to maintain good working condition in various usage scenarios.
Claims
1. A grounding device for shoes, characterized in that, include: The sole (1) has mounting holes (2) that penetrate the inner and outer surfaces. The segmented grounding strip (3) is formed by a straight strip structure passing through the mounting hole (2) through the sole (1) and bending. The segmented grounding strip (3) includes an inner contact section (30) that is bent and fits against the inner surface of the sole (1) and abuts against the foot, an outer grounding section (31) that is bent and fits against the outer surface of the sole (1) and abuts against the ground, and a conductive connection section (32) that connects the inner contact section (30) and the outer grounding section (31). The outer section fixing module (4) includes a positioning groove (40) opened on the outer surface of the sole (1), a positioning post (41) detachably connected to the outer ground section (31), and an anti-slip component (43) for locking the positioning post (41) and the positioning groove (40).
2. The shoe grounding device according to claim 1, characterized in that, The inner side of the outer grounding section (31) is provided with at least one first anchoring spike (5), the end of which is inserted into the outer surface of the sole (1).
3. A shoe grounding device according to claim 2, characterized in that, The inner contact section (30) is provided with at least one second anchoring thorn (6) on its inner side, the end of which is inserted into the inner surface of the sole (1).
4. A shoe grounding device according to claim 1, characterized in that, The anti-detachment component (43) includes an elastic anti-detachment texture (430) formed on the outer peripheral surface of the positioning post (41), and the positioning groove (40) is provided with an anti-detachment groove (431) that cooperates with the elastic anti-detachment texture (430).
5. A shoe grounding device according to claim 4, characterized in that, The anti-detachment component (43) also includes an elastic flange (432) located at the inner end of the positioning post (41), and a backstop step (433) that cooperates with the elastic flange (432) is provided at the bottom of the positioning groove (40).
6. A shoe grounding device according to claim 3, characterized in that, Interlocking holes (7) are provided at corresponding positions of the inner contact section (30) and the outer grounding section (31). When the inner contact section (30) and the outer grounding section (31) are engaged, the first anchoring spike (5) is inserted into the interlocking hole (7) of the inner contact section (30), and the second anchoring spike (6) is inserted into the interlocking hole (7) of the outer grounding section (31).
7. A shoe grounding device according to claim 6, characterized in that, The positions of the first anchoring spike (5) and the second anchoring spike (6) are staggered.
8. A shoe grounding device according to claim 1, characterized in that, The inner contact section (30) is made of a conductive elastic material.