Anti-deformation plug bush structure
The square frame structure, consisting of a base plate, a bending plate, and a spring sheet, combined with a limiting plate and a contact piece, solves the problems of deformation and poor contact of the U-shaped socket, achieves stable contact and enhances the insertion and extraction force of the plug, thereby improving the safety and reliability of electrical equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 刘吉荣
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-21
AI Technical Summary
The existing U-shaped socket is prone to deformation during insertion and removal, resulting in poor contact between the socket and the plug, small contact area, insufficient insertion and removal force, and easy loosening and detachment, posing a safety hazard.
The square frame structure, consisting of a base plate, a bending plate, and a spring sheet, is designed to prevent deformation by a limiting plate. Contact pieces are added to the spring sheet to increase the contact area and friction, thereby improving the insertion and extraction force of the plug.
It effectively prevents the socket from deforming, ensures stable contact between the socket and the prongs, increases the contact area, improves the insertion and extraction force of the plug, prevents loosening and falling off, and enhances the stability and safety of electrical equipment.
Smart Images

Figure CN224153693U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of insert technology, and in particular to an anti-deformation insert structure. Background Technology
[0002] In modern electrical connection systems, the socket sleeve, as a core component of the socket, directly affects the stability, safety, and reliability of electrical equipment. The socket sleeve's function is to contact the plug's prongs, thereby enabling current conduction. The tightness of the contact between the sleeve and the prongs is one of the important criteria for judging the quality of the socket. In existing technology, socket sleeves generally adopt an approximately U-shaped design. This type of sleeve has the following defects in actual use: 1. With the increase in the number of times the prongs are inserted and removed, the opening of the U-shaped sleeve undergoes plastic deformation due to frequent stress, causing the gap to gradually increase. This reduces the clamping force of the sleeve on the prongs, making it impossible to ensure a tight and stable contact between them, easily leading to poor contact. This not only easily damages the equipment but also poses a risk of electric shock; 2. The actual contact area between the existing U-shaped sleeve and the plug prongs is relatively small, resulting in a low insertion and extraction force for the plug in the socket. The plug is difficult to keep securely in the socket, and in daily use, slight external interference, such as slight shaking or touching electrical wires, can easily cause the plug to loosen or fall off. Utility Model Content
[0003] The purpose of this invention is to provide a deformation-resistant insert structure to solve the problems mentioned in the background art.
[0004] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a deformation-resistant insert structure, including a base plate, one end of which is fixedly connected to a first bending plate, and the other end of which is fixedly connected to a second bending plate. One end of the second bending plate is fixedly connected to a third bending plate. A first spring piece is fixedly connected to the upper surface of the first bending plate, and a second spring piece is fixedly connected to the second bending plate at a position corresponding to the first spring piece. Both the first and second spring pieces have through grooves, and a third contact piece is fixedly connected in the through groove.
[0005] Preferably, the first bending plate has a groove, one end of the third bending plate is fixedly connected to a connecting plate, and the connecting plate is disposed in the groove. One end of the connecting plate is fixedly connected to a limiting plate, and the limiting plate is disposed on one side of the first bending plate.
[0006] Preferably, a first contact piece is fixedly connected to the upper surface of the first spring piece.
[0007] Preferably, a second contact piece is fixedly connected to the second spring piece at the position corresponding to the first contact piece.
[0008] Preferably, a first guide plate is fixedly connected to the upper surface of the first contact piece.
[0009] Preferably, a second guide piece is fixedly connected to the second contact piece at the position corresponding to the first guide piece.
[0010] The present invention provides a deformation-resistant socket structure, the advantages of which are as follows: The present invention uses a base plate, a first bending plate, a second bending plate and a third bending plate to form the square frame of the socket. The limiting plate on the third bending plate limits the first bending plate, thereby preventing deformation of the square frame and ensuring good contact between the socket and the plug. By adding a third contact piece on the first and second springs, the contact area and friction with the plug and plug are increased, thereby improving the insertion and extraction force of the plug and preventing the plug from loosening and falling off. Attached Figure Description
[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0012] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;
[0013] Figure 2 This is a schematic diagram of the overall three-dimensional structure of this utility model from another angle;
[0014] Figure 3 This is a schematic diagram of the overall main structure of this utility model.
[0015] In the figure: 1. Substrate; 11. First bending plate; 12. Groove; 13. Second bending plate; 14. Third bending plate; 15. Connecting plate; 16. Limiting plate; 17. First spring piece; 18. First contact piece; 19. First guide piece; 110. Second spring piece; 111. Second contact piece; 112. Second guide piece; 113. Through groove; 114. Third contact piece. Detailed Implementation
[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, 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.
[0017] Please see the appendix Figure 1 - Appendix Figure 3 This utility model provides an embodiment of a deformation-resistant insert structure, comprising a base plate 1, one end of which is fixedly connected to a first bending plate 11, and the other end of which is fixedly connected to a second bending plate 13. One end of the second bending plate 13 is fixedly connected to a third bending plate 14. A first spring piece 17 is fixedly connected to the upper surface of the first bending plate 11, and a second spring piece 110 is fixedly connected to the second bending plate 13 at a position corresponding to the first spring piece 17. Both the first spring piece 17 and the second spring piece 110 have through grooves. 113. A third contact piece 114 is fixedly connected within the through groove 113. The base plate 1, the first bent plate 11, the second bent plate 13, and the third bent plate 14 form the frame portion of the socket. The first spring piece 17 and the second spring piece 110 respectively contact the plug's insert through the third contact piece 114. The through groove 113 is used to accommodate the third contact piece 114. A groove 12 is provided on the first bent plate 11. A connecting plate 15 is fixedly connected to one end of the third bent plate 14, and the connecting plate 15 is disposed in the groove 12. Inside, one end of the connecting plate 15 is fixedly connected to a limiting plate 16, and the limiting plate 16 is disposed on one side of the first bending plate 11. The third bending plate 14 limits the first bending plate 11 through the limiting plate 16 to ensure that the square part will not deform. The groove 12 is used to accommodate the connecting plate 15. A first contact piece 18 is fixedly connected to the upper surface of the first spring piece 17. The first spring piece 17 is used to provide a reset spring force for the first contact piece 18. The first contact piece 18 is used to contact the plug prongs. The second spring piece 110 is corresponding to the first... A second contact piece 111 is fixedly connected to the position of the first contact piece 18. A second spring piece 110 is used to provide a reset spring force for the second contact piece 111. The second contact piece 111 is used to contact the plug prongs. A first guide piece 19 is fixedly connected to the upper surface of the first contact piece 18. The first guide piece 19 is used to guide the plug prongs. A second guide piece 112 is fixedly connected to the second contact piece 111 at the position corresponding to the first guide piece 19. The second guide piece 112 is used to guide the plug prongs.
[0018] Working Principle: In this utility model, the substrate 1, the first bending plate 11, the second bending plate 13, the third bending plate 14, the connecting plate 15, the limiting plate 16, the first spring piece 17, the first contact piece 18, the first guide piece 19, the second spring piece 110, the second contact piece 111, the second guide piece 112, and the third contact piece 114 are an integral structure. The substrate 1, the first bending plate 11, the second bending plate 13, and the third bending plate 14 constitute the square frame portion of the insert. The third bending plate 14 limits the first bending plate 11 through the limiting plate 16 to ensure that the square frame portion will not deform. The groove 12 is used to accommodate the connecting plate 15, and the connecting plate 15 is used to connect the third bending plate 14 and the limiting plate 16. The first spring 17, the first contact piece 18, and the first guide piece 19 constitute the contact ear of the socket. The second spring 110, the second contact piece 111, and the second guide piece 112 constitute the other contact ear of the socket. The first spring 17 is used to provide a reset spring force for the first contact piece 18, and the second spring 110 is used to provide a reset spring force for the second contact piece 111. The first contact piece 18 and the second contact piece 111 are used to contact the plug prongs. The first guide piece 19 and the second guide piece 112 are used to guide the plug prongs. The through groove 113 is used to accommodate the third contact piece 114. The third contact piece 114 is used to increase the contact area and friction with the plug prongs to prevent the plug from loosening and falling off.
[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0020] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.
[0021] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A deformation-preventing plug-in structure comprising a base plate (1), characterized in that: One end of the substrate (1) is fixedly connected to a first bending plate (11), and the other end is fixedly connected to a second bending plate (13). One end of the second bending plate (13) is fixedly connected to a third bending plate (14). A first spring piece (17) is fixedly connected to the upper surface of the first bending plate (11), and a second spring piece (110) is fixedly connected to the second bending plate (13) at the position corresponding to the first spring piece (17). A through groove (113) is opened on both the first spring piece (17) and the second spring piece (110), and a third contact piece (114) is fixedly connected in the through groove (113).
2. The anti-deformation plug-in structure according to claim 1, wherein: The first bending plate (11) has a groove (12) and a connecting plate (15) is fixedly connected to one end of the third bending plate (14). The connecting plate (15) is located in the groove (12) and a limiting plate (16) is fixedly connected to one end of the connecting plate (15). The limiting plate (16) is located on one side of the first bending plate (11).
3. The anti-deformation sleeve structure according to claim 1, characterized in that: The first contact piece (18) is fixedly connected to the upper surface of the first spring piece (17).
4. The anti-deformation plug-in structure according to claim 1, wherein: A second contact piece (111) is fixedly connected to the second spring piece (110) at the position corresponding to the first contact piece (18).
5. The anti-deformation plug-in structure according to claim 3, wherein: A first guide plate (19) is fixedly connected to the upper surface of the first contact piece (18).
6. The anti-deformation plug-in structure according to claim 4, wherein: A second guide piece (112) is fixedly connected to the second contact piece (111) at the position corresponding to the first guide piece (19).