Finger insertion strip with finger joint comfort
By designing finger cuttings with knuckle comfort, using the unidirectional insertion engaging part and buffer structure, the existing finger cuttings are easily bending and knuckle pain are solved, achieving better protection and comfort, while reducing manufacturing costs.
Patent Information
- Application Number
- CN202421106656.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-05-21
AI Technical Summary
Existing finger cuttings are prone to bend in reverse when they bear the frontal impact force, resulting in fracture of finger bones or ligaments. At the same time, their hard bottom surface will cause pain in knuckles, and the clamping part will easily fall off under long-term use, which reduces the protection effect.
A finger cutting with knuckle comfort is designed, which includes a bent cutting body, a plurality of engaging parts and a buffer structure. The engaging part is inserted in the chuck slot in one direction, and the joint part is embedded in the positioning slot, which has a good fixing effect. The buffer structure is set on the bottom surface of the cutting body, and the material is soft and can provide comfortable buffering when the fingers bend.
The finger cutting can effectively prevent the finger from bent in reverse, reduce knuckle pain, improve the fixation of the engaging part, reduce wear, and have a low manufacturing cost.
Smart Images
Figure CN222829034U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a finger insert, in particular to a finger insert with knuckle comfort, which is used to prevent the bending of fingers from causing bone or ligament breakage. Background Art
[0002] In the field of football, the speed of the ball is often over 100 kilometers per hour, and the impact force is very strong. If the goalkeeper catches the ball with his bare hands, his hands will be seriously injured. Therefore, the goalkeeper will wear goalkeeper gloves to protect his hands.
[0003] The goalkeeper gloves include a glove body and a plurality of finger inserts. The glove body includes a palm and a plurality of finger parts. The palm is hollow and has an opening at one end. The finger parts are arranged at the other end of the palm. Each finger part has a finger groove and an insert groove. The finger groove is close to the bottom of the finger part, and the insert groove is close to the top of the finger part. The finger insert is inserted into the insert groove of the finger part and includes an insert body and a plurality of blocks. The insert body is bent. The blocks are glued to the top surface of the insert body.
[0004] When the user wears the goalkeeper gloves, the hand is inserted into the glove body through the opening, the fingers are located in the finger grooves, and the palm is located in the palm portion. The glove body is usually made of soft and durable materials, which can provide sufficient elasticity and flexibility and protect the hand from external forces. When the finger insert is subjected to a frontal impact, the blocks will abut against each other to provide better impedance. At this time, the shape of the finger insert will be fixed, limiting the reverse bending of the finger insert, thereby limiting the reverse bending of the finger, and preventing the bone or ligament from being broken due to the reverse bending of the finger.
[0005] However, the bottom surface of the cutting body is hard and can cause pain in the knuckles when the fingers are bent.
[0006] Furthermore, the blocks are fixed to the insert body by adhesive, and after long-term use, there is a problem of debonding, which causes the blocks to fall off from the insert body.
[0007] Additionally, the finger inserts may move within the insert slots, reducing protection and causing discomfort to the fingers.
[0008] Furthermore, the friction between the blocks is relatively large, and they are prone to wear.
[0009] In addition, the insert body is a solid structure, and the manufacturing cost is relatively high. Utility Model Content
[0010] The main purpose of the utility model is to provide a finger insert strip with knuckle comfort, the bottom surface of which is made of relatively soft material.
[0011] Another object of the utility model is to provide a finger insert strip with knuckle comfort, wherein the engaging portion is not easy to fall off from the insert strip body.
[0012] Another object of the utility model is to provide a finger insert with knuckle comfort, which can be fixed in an insert groove.
[0013] Another object of the utility model is to provide a finger insert strip with comfortable fit for the finger joints, wherein the inner wall of the card slot and the card engaging portion are not easily worn.
[0014] Another object of the utility model is to provide a finger insert strip with knuckle comfort and low manufacturing cost.
[0015] In order to achieve the above-mentioned purpose, the utility model provides a finger insert with knuckle comfort, which is used to be inserted into an insert slot of a finger part of a glove body of a goalkeeper glove, and the finger insert includes an insert body, a plurality of clamping parts and a buffer structure. The insert body is bent, and a plurality of clamping slots are provided on its top surface, a convex block is formed between two adjacent clamping slots, and a coupling part is convexly provided on the bottom wall of each clamping slot. A positioning slot is provided on one side of each clamping part, each clamping part is unidirectionally inserted in each clamping slot, and each coupling part is embedded in each positioning slot. The buffer structure is arranged on the bottom surface of the insert body.
[0016] In some embodiments, the buffer structure is a fleece-surface Velcro tape, and the bottom surface of the fleece-surface Velcro tape is a fleece surface.
[0017] In some embodiments, the front end of the fleece-surfaced Velcro goes around the front end of the insert body and is fixed to the top surface of the insert body, and the fleece-surfaced Velcro at the front end is used to hook the hook surface of a hook-shaped Velcro at the front end of the insert slot.
[0018] In some embodiments, the buffer structure is a soft board.
[0019] In some embodiments, the front end of the flexible board bypasses the front end of the inserting strip body and is fixed to the top surface of the inserting strip body, and the front end of the flexible board is used to adhere to an adhesive layer at the front end of the inserting strip slot.
[0020] In some embodiments, the buffer structure includes a fleece-surface Velcro and a soft board, the soft board is disposed on the bottom surface of the insert body, the fleece-surface Velcro is disposed on the bottom surface of the soft board, and the bottom surface of the fleece-surface Velcro is a fleece surface.
[0021] In some embodiments, the front end of the buffer structure bypasses the front end of the insert body and is fixed to the top surface of the insert body, and the front end of the fleece-surface Velcro is used to hook the hook surface of a hook-shaped Velcro at the front end of the insert slot.
[0022] In some embodiments, the buffer structure includes a fleece-surface Velcro and a soft board. The fleece-surface Velcro is disposed on the bottom surface of the insert body. The bottom surface of the fleece-surface Velcro is a fleece surface. The soft board is disposed on the bottom surface of the fleece-surface Velcro.
[0023] In some embodiments, the front end of the buffer structure bypasses the front end of the insert body and is fixed to the top surface of the insert body, and the front end of the flexible board is used to adhere to an adhesive layer at the front end of the insert slot.
[0024] In some embodiments, the bottom wall of each of the card slots is provided with two through holes, and the through holes are respectively located on two sides of the combining portion; the bottom surface of the inserting strip body is provided with a plurality of hollow portions, and the hollow portions are respectively located on opposite sides of the protrusions; each of the hollow portions is communicated with the two through holes of two adjacent card slots.
[0025] The utility model has the effect that the buffer structure is close to the fingers and the material is relatively soft, so when the fingers are bent, the knuckles feel comfortable and do not feel pain.
[0026] Furthermore, the engaging parts are inserted into the engaging slots in one direction, and the fixing effect is excellent, so that the engaging parts are not easy to fall off from the inserting strip body.
[0027] In addition, when the finger insertion strip is bent, the through holes can provide the finger insertion strip of the present invention with better cushioning performance, and can reduce the friction between the inner walls of the slots and the engaging parts, thereby reducing the wear of the inner walls of the slots and the engaging parts.
[0028] Furthermore, the hollow parts can reduce the volume of the insert body and lower the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] Figure 1 It is a three-dimensional diagram of a first embodiment of the finger insertion strip of the utility model;
[0030] Figure 2 It is an exploded view of the first embodiment of the finger insertion strip of the utility model;
[0031] Figure 3 is a cross-sectional view of a first embodiment of the finger insertion strip of the utility model;
[0032] Figure 4 It is a three-dimensional diagram of a first embodiment of the goalkeeper gloves of the utility model;
[0033] Figure 5 yes Figure 4 A cross-sectional view of line VV;
[0034] Figure 6 is a three-dimensional diagram of a second embodiment of the finger insertion strip of the utility model;
[0035] Figure 7 is an exploded view of a second embodiment of the finger insertion strip of the utility model;
[0036] Figure 8 is a cross-sectional view of a second embodiment of the finger insertion strip of the utility model;
[0037] Fig. 9 is a perspective view of a second embodiment of the goalkeeper gloves of the present utility model;
[0038] Fig.10 yes Fig. 9 A cross-sectional view of line XX;
[0039] Fig.11 is a three-dimensional diagram of a third embodiment of the finger insertion strip of the present utility model;
[0040] Fig.12 It is an exploded view of the third embodiment of the finger insertion strip of the utility model;
[0041] Fig.13 is a cross-sectional view of a third embodiment of the finger insertion strip of the present utility model;
[0042] Fig.14 is a three-dimensional diagram of a third embodiment of the goalkeeper gloves of the present utility model;
[0043] Fig.15 yes Fig.14 A cross-sectional view of line XV-XV;
[0044] Fig.16 is a three-dimensional diagram of a fourth embodiment of the finger insertion strip of the present utility model;
[0045] Fig.17 is an exploded view of a fourth embodiment of the finger insertion strip of the present utility model;
[0046] Fig.18 is a cross-sectional view of a fourth embodiment of the finger insertion strip of the present utility model;
[0047] Fig.19 is a three-dimensional diagram of a fourth embodiment of the goalkeeper gloves of the present utility model;
[0048] Fig. 20 yes Fig.19 A cross-sectional view of line XX-XX.
[0049] Description of Figure Numbers:
[0050] 1,1A,1B,1C: Goalkeeper gloves
[0051] 10: Glove body
[0052] 11: Palm
[0053] 12: Fingers
[0054] 121: Finger groove
[0055] 122: Insert slot
[0056] 123:Hook and loop fastener
[0057] 124: Adhesive layer
[0058] 20,20A,20B,20C: Finger Inserts
[0059] 21: Insert body
[0060] 211: Card slot
[0061] 2111:Through hole
[0062] 212: Bump
[0063] 213: Joint
[0064] 2131:convex part
[0065] 2132: Positioning unit
[0066] 214: Hollow part
[0067] 215: Chute
[0068] 22: snap-fit part
[0069] 221: Positioning slot
[0070] 222: Base
[0071] 223: Block
[0072] 23,23A,23B,23C: Buffer structure
[0073] 231: Velcro
[0074] 232: Soft board DETAILED DESCRIPTION
[0075] The following is a more detailed description of the implementation of the present invention with reference to the accompanying drawings and element symbols, so that those skilled in the art can implement it accordingly after reading this specification.
[0076] Figure 1 It is a three-dimensional diagram of the first embodiment of the finger insertion strip 20 of the present invention. Figure 2 It is an exploded view of the first embodiment of the finger insertion strip 20 of the present invention. Figure 3 FIG. 2 is a cross-sectional view of a first embodiment of the finger insertion strip 20 of the present invention. Figure 1 , Figure 2 and Figure 3 As shown, the utility model provides a finger insert 20 with knuckle comfort, comprising an insert body 21, a plurality of engaging parts 22 and a buffer structure 23. The insert body 21 is bent, and a plurality of engaging slots 211 are provided on its top surface, a convex block 212 is formed between two adjacent engaging slots 211, and a coupling part 213 is convexly provided on the bottom wall of each engaging slot 211. A positioning slot 221 is provided on one side of each engaging part 22, each engaging part 22 is unidirectionally inserted into each engaging slot 211, and each coupling part 213 is embedded in each positioning slot 221. The buffer structure 23 is provided on the bottom surface of the insert body 21.
[0077] Figure 4 It is a stereogram of a first embodiment of a goalkeeper's glove 1 of the present invention. Figure 5 yes Figure 4 The cross-sectional view of line VV. Figure 4 and Figure 5 As shown, the utility model provides a goalkeeper glove 1, comprising a glove body 10 and a plurality of finger inserts 20. The glove body 10 comprises a palm portion 11 and a plurality of finger portions 12, the palm portion 11 is hollow and has an opening (not shown) at one end, the finger portions 12 are arranged at the other end of the palm portion 11, each finger portion 12 has a finger groove 121 and an insert groove 122, the finger groove 121 is close to the bottom of the finger portion 12, and the insert groove 122 is close to the top of the finger portion 12. Each finger insert 20 is inserted into the insert groove 122.
[0078] When the user wears the goalkeeper glove 1 of the present invention, the hand extends into the glove body 10 through the opening, the fingers are located in the finger grooves 121, and the palm is located in the palm portion 11. The glove body 10 is usually made of soft and durable materials, which can provide sufficient elasticity and flexibility and protect the hand from external forces. The buffer structure 23 is close to the fingers and the material is soft. When the fingers are bent, the knuckles feel comfortable and will not feel pain.
[0079] When the finger insertion strip 20 of the present invention is subjected to a frontal impact force, the engaging portions 22 and the inner walls of the slots 211 will abut against each other to provide a better resistance force. At this time, the shape of the finger insertion strip 20 of the present invention will be fixed, limiting the reverse bending of the finger insertion strip 20 of the present invention, thereby limiting the reverse bending of the finger, and preventing the bone or ligament from being broken due to the reverse bending of the finger.
[0080] It is worth mentioning that the engaging portions 22 are inserted into the engaging slots 211 in one direction, and the fixing effect is excellent, so that the engaging portions 22 are not easy to fall off from the inserting strip body 21 .
[0081] like Figure 1 , Figure 2 and Figure 3As shown, in the first embodiment, the buffer structure 23 is a fleece-surface Velcro 231, and the bottom surface of the fleece-surface Velcro 231 is a fleece surface. Thus, the fleece surface of the fleece-surface Velcro 231 is close to the fingers and the material is relatively soft, so when the fingers are bent, the knuckles feel comfortable and do not feel pain.
[0082] like Figure 1 , Figure 2 and Figure 3 As shown in the first embodiment, the front end of the fleece-surface hook and loop fastener 231 passes over the front end of the insert body 21 and is fixed to the top surface of the insert body 21. Figure 4 and Figure 5 As shown, the front end of the insertion slot 122 has a hook-shaped Velcro 123, and the front end of the Velcro 231 hooks the hook surface of the hook-shaped Velcro 123. Therefore, the finger insertion strip 20 of the utility model is completely fixed in the insertion slot 122 and will not move in the insertion slot 122, thereby improving the protection effect and making the fingers feel comfortable.
[0083] like Figure 2 and Figure 3 As shown, in the first embodiment, the bottom wall of each slot 211 is provided with two through holes 2111, and the through holes 2111 are respectively located on the two sides of the joint 213, and the bottom surface of the insert body 21 is provided with a plurality of hollow parts 214, and the hollow parts 214 are respectively located on the opposite sides of the protrusions 212, and each hollow part 214 is communicated with the two through holes 2111 of two adjacent slots 211. When the finger insert strip 20 is bent, the through holes 2111 can provide the finger insert strip 20 of the utility model with better buffering performance, and can reduce the friction between the inner wall of the slots 211 and the engaging parts 22, and reduce the wear of the inner wall of the slots 211 and the engaging parts 22. The hollow parts 214 can reduce the volume of the insert body 21 and reduce the manufacturing cost.
[0084] like Figure 1 , Figure 2 and Figure 3 As shown, in the first embodiment, the coupling portion 213 includes a convex portion 2131 and a positioning portion 2132. The convex portion 2131 is convexly arranged in the middle of the slot 211, is arrow-shaped, and has two hooks. The positioning portion 2132 is arranged at the top of the convex portion 2131. The positioning portion 2132 forms two slide grooves 215 with two inner walls of the slot 211. The engaging portion 22 includes a base 222 and two blocks 223. A positioning groove 221 is provided on one side of the base 222. The positioning groove 221 is arrow-shaped and has two hooks. The blocks 223 are arranged on two sides of the top of the base 222.
[0085] When each engaging portion 22 is unidirectionally inserted into each slot 211, the two sides of the base 222 slide on the slide grooves 215 and abut against the bottom of the positioning portion 2132, and the two sides of each block 223 abut against an inner wall of the slot 211 and one side of the positioning portion 2132. The protrusion 2131 moves along the positioning slot 221 until the hooks of the protrusion 2131 hook the hooks of the positioning slot 221, so that the engaging portion 22 is firmly fixed in the slot 211 and will not fall out of the slot 211.
[0086] When the finger insertion strip 20 of the present invention is subjected to a frontal impact, the blocks 223 and the inner walls of the slots 211 will abut against each other to provide a better impedance. At this time, the shape of the finger insertion strip 20 of the present invention will be fixed, limiting the reverse bending of the finger insertion strip 20 of the present invention, thereby limiting the reverse bending of the finger and preventing the bone or ligament from being broken due to the reverse bending of the finger.
[0087] Figure 6 It is a perspective view of a second embodiment of a finger insertion strip 20A of the present invention. Figure 7 It is an exploded view of the second embodiment of the finger insertion strip 20A of the present invention. Figure 8 FIG. 2 is a cross-sectional view of a second embodiment of the finger insertion strip 20A of the present invention. Figure 6 , Figure 7 and Figure 8 As shown, the difference between the second embodiment of the finger insertion strip 20A of the present invention and the first embodiment of the finger insertion strip 20 of the present invention is that the buffer structure 23A is a soft plate 232, and the front end of the soft plate 232 bypasses the front end of the insertion strip body 21 and is fixed to the top surface of the insertion strip body 21. Therefore, the soft plate 232 is close to the finger and the material is relatively soft, so when the finger is bent, the knuckle feels comfortable and does not feel pain.
[0088] Fig. 9 It is a perspective view of a second embodiment of a goalkeeper glove 1A of the present invention. Fig.10 yes Fig. 9 The cross-sectional view of line XX. Fig. 9 and Fig.10 As shown, the difference between the second embodiment of the goalkeeper glove 1A of the present invention and the first embodiment of the goalkeeper glove 1 of the present invention is that the front end of the insertion groove 122 has an adhesive layer 124, and the front end of the soft board 232 is adhered to the adhesive layer 124. Therefore, the finger insertion strip 20A of the present invention is completely fixed in the insertion groove 122 and will not move in the insertion groove 122, thereby improving the protection effect and making the fingers feel comfortable.
[0089] Fig.11 It is a three-dimensional view of a third embodiment of the finger insertion strip 20B of the present invention. Fig.12It is an exploded view of the third embodiment of the finger insertion strip 20B of the present invention. Fig.13 FIG. 2 is a cross-sectional view of a third embodiment of the finger insertion strip 20B of the present invention. Fig.11 , Fig.12 and Fig.13 As shown, the difference between the third embodiment of the finger insertion strip 20B of the present invention and the first and second embodiments of the finger insertion strips 20 and 20A of the present invention is that the buffer structure 23B includes a fleece-surfaced Velcro 231 and a soft board 232, the soft board 232 is arranged on the bottom surface of the insertion strip body 21, the fleece-surfaced Velcro 231 is arranged on the bottom surface of the soft board 232, the bottom surface of the fleece-surfaced Velcro 231 is a fleece-surfaced surface, and the front end of the buffer structure 23B bypasses the front end of the insertion strip body 21 and is fixed to the top surface of the insertion strip body 21. Therefore, the fleece-surfaced surfaces of the soft board 232 and the fleece-surfaced Velcro 231 are close to the fingers and are soft in material, so when the fingers are bent, the knuckles feel comfortable and will not feel pain.
[0090] Fig.14 It is a three-dimensional view of a third embodiment of the goalkeeper gloves 1B of the present invention. Fig.15 yes Fig.14 The cross-sectional view of the line XV-XV. Fig.14 and Fig.15 As shown, the difference between the third embodiment of the goalkeeper glove 1B of the present invention and the first and second embodiments of the goalkeeper glove 1, 1A of the present invention is that the front end of the insertion groove 122 has a hook-shaped Velcro 123, and the front end of the Velcro 231 hooks the hook surface of the hook-shaped Velcro 123. Therefore, the finger insertion strip 20B of the present invention is completely fixed in the insertion groove 122 and will not move in the insertion groove 122, thereby improving the protection effect and making the fingers feel comfortable.
[0091] Fig.16 It is a three-dimensional view of a fourth embodiment of the finger insertion strip 20C of the present invention. Fig.17 It is an exploded view of a fourth embodiment of the finger insertion strip 20C of the present invention. Fig.18 FIG. 2 is a cross-sectional view of a fourth embodiment of the finger insertion strip 20C of the present invention. Fig.11 , Fig.12 and Fig.13As shown, the fourth embodiment of the finger insertion strip 20C of the present invention is different from the third embodiment of the finger insertion strip 20B of the present invention in that the buffer structure 23C includes a fleece-surfaced Velcro 231 and a soft board 232. The fleece-surfaced Velcro 231 is disposed on the bottom surface of the insertion strip body 21. The bottom surface of the fleece-surfaced Velcro 231 is a fleece-surfaced surface. The soft board 232 is disposed on the bottom surface of the fleece-surfaced Velcro 231. The front end of the buffer structure 23C bypasses the front end of the insertion strip body 21 and is fixed to the top surface of the insertion strip body 21. Therefore, the fleece-surfaced Velcro 231 and the soft board 232 are close to the fingers and are made of softer materials. When the fingers are bent, the knuckles feel comfortable and will not feel pain.
[0092] Fig.19 It is a three-dimensional view of a fourth embodiment of the goalkeeper glove 1C of the present invention. Fig. 20 yes Fig.19 The cross-sectional view of line XX-XX. Fig.19 and Fig. 20 As shown, the difference between the fourth embodiment of the goalkeeper glove 1C of the present invention and the third embodiment of the goalkeeper glove 1B of the present invention is that the front end of the insertion groove 122 has an adhesive layer 124, and the front end of the soft board 232 is adhered to the adhesive layer 124. Therefore, the finger insertion strip 20C of the present invention is completely fixed in the insertion groove 122 and will not move in the insertion groove 122, thereby improving the protection effect and making the fingers feel comfortable.
[0093] The above description is only used to explain the preferred embodiment of the utility model, and is not intended to limit the utility model in any form. Therefore, any modifications or changes made to the utility model under the same spirit of the utility model should still be included in the scope of protection intended by the utility model.
Claims
1. A finger insert with knuckle comfort, characterized in that: The finger insert strip is used to be inserted into the insert strip groove of the finger portion of the glove body of the goalkeeper glove, and the finger insert strip comprises: The insert body is bent, and a plurality of slots are provided on its top surface, a convex block is formed between two adjacent slots, and a joint portion is convexly provided on the bottom wall of each slot; A plurality of engaging parts, each engaging part has a positioning groove on one side, each engaging part is inserted into each engaging groove in one direction, and each combining part is embedded in each positioning groove; and The buffer structure is arranged on the bottom surface of the insert body.
2. The finger insert with knuckle comfort according to claim 1, characterized in that: The buffer structure is a fleece-surface Velcro tape, and the bottom surface of the fleece-surface Velcro tape is a fleece surface.
3. The finger insert with knuckle comfort according to claim 2, characterized in that: The front end of the fleece-surfaced Velcro goes around the front end of the inserting strip body and is fixed to the top surface of the inserting strip body. The fleece-surfaced Velcro at the front end is used to hook the hook surface of the hook-shaped Velcro at the front end of the inserting strip groove.
4. The finger insert with knuckle comfort according to claim 1, characterized in that: The buffer structure is a soft board.
5. The finger insert with knuckle comfort according to claim 4, characterized in that: The front end of the soft board bypasses the front end of the inserting strip body and is fixed to the top surface of the inserting strip body. The front end of the soft board is used to adhere to the adhesive layer at the front end of the inserting strip slot.
6. The finger insert with knuckle comfort according to claim 1, characterized in that: The buffer structure includes a fleece-surface Velcro and a soft board. The soft board is arranged on the bottom surface of the insert body. The fleece-surface Velcro is arranged on the bottom surface of the soft board. The bottom surface of the fleece-surface Velcro is a fleece surface.
7. The finger insert with knuckle comfort according to claim 6, characterized in that: The front end of the buffer structure bypasses the front end of the insert body and is fixed to the top surface of the insert body. The furry surface of the front end of the furry Velcro is used to hook the hook surface of the hook-shaped Velcro at the front end of the insert slot.
8. The finger insert with knuckle comfort according to claim 1, characterized in that: The buffer structure includes a fleece-surface Velcro and a soft board. The fleece-surface Velcro is arranged on the bottom surface of the insert body. The bottom surface of the fleece-surface Velcro is a fleece surface. The soft board is arranged on the bottom surface of the fleece-surface Velcro.
9. The finger insert with knuckle comfort according to claim 8, characterized in that: The front end of the buffer structure bypasses the front end of the inserting strip body and is fixed to the top surface of the inserting strip body. The front end of the soft board is used to adhere to the adhesive layer at the front end of the inserting strip slot.
10. The finger insert with knuckle comfort according to claim 1, characterized in that: The bottom wall of each of the card slots is provided with two through holes, and the multiple through holes are respectively located on two sides of the combining portion; the bottom surface of the inserting strip body is provided with multiple hollow portions, and the multiple hollow portions are respectively located on opposite sides of the multiple protrusions; each of the hollow portions is communicated with the two through holes of two adjacent card slots.