Reliable and anti-loose contact finger prevention jack module

By using a spring-tooth anti-loosening ring, applying threaded adhesive, and a positioning ring groove structure in the socket module, combined with a rotating spring design, the problem of loosening of the connectors in the socket module under vibration and temperature changes is solved, achieving a more stable connection and a longer service life.

CN223858577UActive Publication Date: 2026-01-30SUZHOU RECODEAL INTERCONNECT SYST
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520305774.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-01-30
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Existing socket modules are prone to loosening of connectors under vibration and temperature changes, resulting in poor connection reliability and short service life.

Method used

The system employs a spring-loaded anti-loosening ring, a threaded post coated with thread adhesive, and a positioning ring groove structure, combined with a rotating spring design, to achieve a reliable anti-loosening connection.

Benefits of technology

It improves the stability and service life of the socket module, enhances the connection reliability under vibration and temperature changes, and ensures that the connectors are not easy to loosen.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223858577U_ABST
    Figure CN223858577U_ABST
Patent Text Reader

Abstract

The utility model discloses a reliable and anti-loose contact finger prevention jack module. The jack module comprises a jack piece, an insulating needle, an elastic claw anti-loosening ring, a rotating spring and an insulating cap, one end of a needle body of the insulating needle is provided with a threaded column coated with threaded glue and a first positioning shoulder close to the inner end of the threaded column, the threaded column is sleeved with an elastic claw anti-loosening ring in a penetrating manner and is fastened and screwed into an internal threaded blind hole of the jack piece, so that the needle body is suspended in the center of the central jack, and the external suspension end of the needle body is connected with an insulating cap in a clamping and sleeving manner; elastic teeth on the two end surfaces of the elastic tooth anti-loosening ring are respectively pressed and clung to the first positioning shoulder and a central insertion hole of the insertion hole piece; and the rotating spring is in interference sleeve with the positioning ring groove. The utility model has the effects of reliable anti-loose connection, stable operation, long service life and high safety performance.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of electrical connections, and in particular to a reliable, anti-loosening, anti-finger-touch socket module. Background Technology

[0002] Connectors are widely used in electrical connections, such as battery swapping and energy storage in new energy vehicles, and power supply switching. Among them, the socket module is an important component of the connector. Currently, the connection between the various parts of the socket module (such as the connection between the insulating pin and the socket piece, and the copper bar connection) achieves the anti-loosening function through the pre-tightening force of the thread itself or interference fit. The drawbacks are: First, the connector is subjected to vibration and impact loads for a long time, and the connecting parts may experience rapid torque decay and loosening, resulting in poor connection reliability, difficulty in long-term stable operation, and longer service life; Second, the connector is greatly affected by temperature changes, and drastic temperature changes also pose a risk of loosening of the connecting parts, reducing connection reliability. Utility Model Content

[0003] To address one or more of the aforementioned problems, this utility model provides a reliable, anti-loosening, anti-finger-touch socket module.

[0004] According to one aspect of the present invention, a reliable anti-loosening anti-finger-touch socket module includes: a socket component, an insulating pin, a spring-tooth anti-loosening ring, a rotating spring, and an insulating cap.

[0005] One end of the insertion component has a central insertion hole with a blind hole structure. The circumferential wall of the central insertion hole has a positioning ring groove and the center of the rear end wall has an internal thread blind hole.

[0006] The insulating needle has a threaded post coated with thread adhesive at one end and a first positioning shoulder near the inner end of the threaded post. The threaded post is tightened into the inner thread blind hole through the center through hole of the spring tooth anti-loosening ring, so that the needle body is suspended in the center of the center insertion hole. The outer end of the needle body is connected to the insulating cap with a retaining sleeve.

[0007] The spring teeth on both ends of the anti-loosening ring press against the inner side of the first positioning shoulder and the rear end wall of the center insertion hole, respectively.

[0008] The spring is interference-fitted into the locating ring groove.

[0009] In some implementations, the first positioning shoulder is a regular hexagonal structure identical to the inner hole of the mounting tool.

[0010] In some embodiments, the snap-fit ​​section at the other end of the needle body is provided with a circular snap-fit ​​groove, and the inner shaft hole of the insulating cap is provided with a buckle. The snap-fit ​​section is interference-fitted into the inner shaft hole and the buckle is interference-fitted into the circular snap-fit ​​groove.

[0011] In some implementations, the snap fastener is a right-angled triangle in a circular array.

[0012] In some embodiments, the end cover of the insulating cap is provided with a forming process hole opposite the buckle.

[0013] In some embodiments, the inner end of the clamping section is provided with a second positioning shoulder abutting the insulating cap.

[0014] In some embodiments, the threaded column of the needle body is formed in a large-diameter connecting section of the inner end of the needle body, the first positioning shoulder is located in the middle of the connecting section, and a light shaft section is further provided between the threaded column and the first positioning shoulder, the light shaft section and the center through hole of the elastic tooth anti-loose ring are in small gap cooperation.

[0015] In some embodiments, the other end of the jack member is provided with a rectangular anti-rotation surface and the center of the end face is provided with an outer threaded blind hole connected to the aluminum bar.

[0016] In some embodiments, it comprises: a jack member, an elastic tooth anti-loose ring, a torsion spring, a threaded member, and a copper bar.

[0017] One end of the jack member is provided with a center jack hole with a blind hole structure, and the other end is provided with a first center shaft hole, and the circumferential wall of the center jack hole is provided with a positioning ring groove;

[0018] The threaded end of the threaded member is coated with a threaded glue, which is tightly screwed into the nested nut member of the copper bar through the first center shaft hole and the center through hole of the elastic tooth anti-loose ring;

[0019] The elastic teeth of the elastic tooth anti-loose ring on the two end faces are respectively pressed against the side surface of the nut of the threaded member and the inner end wall of the first center shaft hole;

[0020] The torsion spring is interference-fitted in the positioning ring groove.

[0021] In some embodiments, the elastic tooth anti-loose ring is two double-stacked self-locking wedge-shaped washers, and the wedge-shaped surfaces of the two washers are outwardly arranged.

[0022] Or the jack member is made of red copper material, and the insulating needle is made of metal material.

[0023] The beneficial effects of the reliable anti-loose touch-proof finger jack module are: first, the reliable anti-loose structure greatly improves the risk of rapid torque decay and loosening of each component, the jack module works more stably and has a long service life, thereby improving product competitiveness; second, the elastic tooth anti-loose ring ensures that the clamping force of the connecting member remains under strong vibration, effectively prevents thread loosening, and effectively reduces the influence of temperature changes, so that the connecting member does not loosen even under severe temperature changes, and has durability; third, the torsion spring is fixed in the positioning ring groove, the plug-in and plug-out are relatively soft, there are more contact points, and it can be connected firmly for a long time in a vibration environment of a vehicle or a charging interface that requires high plug-in and plug-out life. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1It is three-dimensional schematic view of the reliable anti-loose anti-touching finger jack module of the first embodiment of the utility model;

[0025] Figure 2 It is three-dimensional schematic view of the reliable anti-loose anti-touching finger jack module of the second embodiment of the utility model; Figure 1 It is sectional view schematic view of the reliable anti-loose anti-touching finger jack module of the second embodiment of the utility model;

[0026] Figure 3 It is three-dimensional schematic view of the reliable anti-loose anti-touching finger jack module of the second embodiment of the utility model; Figure 2 It is three-dimensional schematic view of the reliable anti-loose anti-touching finger jack module of the second embodiment of the utility model;

[0027] Figure 4 It is three-dimensional schematic view of the reliable anti-loose anti-touching finger jack module of the second embodiment of the utility model; Figure 3 It is three-dimensional schematic view of the reliable anti-loose anti-touching finger jack module of the second embodiment of the utility model;

[0028] Figure 5 It is three-dimensional schematic view of the reliable anti-loose anti-touching finger jack module of the second embodiment of the utility model; Figure 3 It is three-dimensional schematic view of the reliable anti-loose anti-touching finger jack module of the second embodiment of the utility model;

[0029] Figure 6 It is sectional view schematic view of the reliable anti-loose anti-touching finger jack module of the second embodiment of the utility model;

[0030] Jack piece 1, central jack 11, positioning ring groove 12, internal thread blind hole 13, first central shaft hole 14, rectangular anti-rotation surface 15, external thread blind hole 16, radial temperature measuring hole 17, annular groove 18;

[0031] Insulating needle 2, needle body 20, threaded column 21, first positioning shoulder 22, clamping section 23, circular ring clamping groove 24, second positioning shoulder 25, optical axis section 26, connecting section 27;

[0032] Spring tooth anti-loose ring 3, central through hole 30, spring tooth 31;

[0033] Rotary spring 4;

[0034] Insulating cap 5, inner shaft hole 51, buckle 52, forming process hole 53;

[0035] Threaded part 6, copper bar 7, nested nut part 8. DETAILED DESCRIPTION

[0036] The utility model will be further explained in detail in connection with the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0037] Figures 1 to 5The utility model discloses a reliable anti-loose touch-proof jack module. As shown in the figure, the reliable anti-loose touch-proof jack module comprises a jack piece 1, an insulating needle 2, a spring tooth anti-loose ring 3, a torsion spring 4, and an insulating cap 5.

[0038] The jack piece 1 is provided with a center jack 11 with a blind hole structure at one end, and the circumferential wall of the center jack 11 is provided with a positioning ring groove 12, and the center of the rear end wall is provided with an internally threaded blind hole 13.

[0039] The needle body 20 of the insulating needle 2 is provided with a threaded column 21 coated with thread glue at one end and a first positioning shoulder 22 close to the inner end of the threaded column 21. The first positioning shoulder 22 is preferably a regular hexagonal structure identical to the inner hole of the installation tool. The insulating needle 2 is preferably made of metal.

[0040] The threaded column 21 is tightly screwed into the internally threaded blind hole 13 through the center through hole 30 of the spring tooth anti-loose ring 3, so that the needle body 20 is suspended in the center of the center jack 11, and the outer suspended end of the needle body 20 is connected to the insulating cap 5 through a sleeve connection;

[0041] The spring tooth 31 of the spring tooth anti-loose ring 3 on the two end faces is pressed tightly against the inner side surface of the first positioning shoulder 22 and the rear end wall of the center jack 11, respectively.

[0042] The torsion spring 4 is interference-fitted in the positioning ring groove 12.

[0043] The reliable anti-loose touch-proof jack module realizes reliable anti-loose connection through the spring tooth anti-loose ring 3, the threaded column coated with thread glue, and the first positioning shoulder 22. Its beneficial effects are as follows: first, the reliable anti-loose structure greatly improves the risk of rapid torque decay and disconnection of each component, making the jack module work more stably and have a long service life, thereby improving product competitiveness; second, the insulating needle 2 is arranged in the center jack 11 of the jack piece 1, and the exposed end is fixed through the insulating cap 5, effectively realizing the touch-proof function. Moreover, the insulating needle 2 and the outer suspended end of the needle body 20 are connected through a sleeve connection, which is tightly connected and not easy to fall off after multiple insertions or abnormal insertions, further having good reliable anti-loose performance and high safety performance; third, the spring tooth anti-loose ring ensures that the clamping force of the connecting piece is maintained under strong vibration, effectively preventing thread loosening, and effectively reducing the influence of temperature changes. The connecting piece will not loosen even when the temperature changes drastically, and it has durability; fourth, the torsion spring 4 structure fixed by the positioning ring groove 12 is relatively soft and has more contact points, which can be connected stably for a long time in a vibration environment or a charging interface where the plug-in life is required to be high.

[0044] Further, the clamping section 23 at the other end of the needle body 20 is provided with a circular ring clamping groove 24, the inner shaft hole 51 of the insulating cap 5 is provided with a clasp 52 in the middle, the clamping section 23 is inserted into the inner shaft hole 51 in an interference fit, and the clasp 52 is clamped into the circular ring clamping groove 24 in an interference fit. Preferably, the clasp 52 is a plurality of circumferentially arranged right-angled triangles, and the left-to-right gradually higher inclined surface of the right-angled triangle is a contact surface; or the clasp 52 is a circular ring convex rib. The beneficial effects are that the clasp structure is connected tightly, effectively prevents loosening and falling off, is reliable in connection, has good anti-touching finger effect, and has high safety performance.

[0045] Preferably, at the position opposite to the clasp 52, the end cover of the insulating cap 5 is provided with a forming process hole 53. The beneficial effect is that the forming process hole facilitates injection molding core pulling.

[0046] Preferably, the inner end of the clamping section 23 is provided with a large-diameter second positioning shoulder 25, and the second positioning shoulder 25 is attached to the inner end wall of the insulating cap 5. The beneficial effect is that the structure further guarantees the precision performance of installation, and realizes reliable connection.

[0047] Further, the threaded column 21 of the needle body 20 is formed in a large-diameter connecting section 27 at the inner end of the needle body 20, the first positioning shoulder 22 is located in the middle of the connecting section 27, and a light shaft section 26 is further arranged between the threaded column 21 and the first positioning shoulder 22, and the light shaft section 26 is in small gap cooperation with the center through hole 30 of the elastic tooth anti-loosening ring 3. The beneficial effect is that the structure improves the precision of installation, and realizes reliable connection.

[0048] Further, the insertion hole piece 1 is a cylindrical structure, the other end of the insertion hole piece 1 is provided with a rectangular anti-rotation surface 15 and an outer threaded blind hole 16 for connecting an aluminum bar at the center of the end surface, the outer threaded blind hole 16 and the inner end hole wall of the center insertion hole 11 are provided with a radial temperature measuring hole 17; and the ring wall of the middle section of the insertion hole piece 1 is provided with an annular groove 18 for installing a sealing ring.

[0049] Figure 6 A reliable anti-loosening anti-touching finger insertion hole module according to the second embodiment of the utility model is schematically shown, as shown in the figure, the device comprises: an insertion hole piece 1, an elastic tooth anti-loosening ring 3, a torsion spring 4, a threaded part 6 and a copper bar 7;

[0050] One end of the insertion hole piece 1 is provided with a center insertion hole 11 of blind hole structure, and the other end is provided with a first center shaft hole 14, and the circumferential wall of the center insertion hole 11 is provided with a positioning ring groove 12;

[0051] The threaded end of the threaded part 6 is coated with threaded glue, penetrates the first center shaft hole 14, the center through hole 30 of the elastic tooth anti-loosening ring 3, and is tightly screwed into the nested nut part 8 of the copper bar 7;

[0052] The elastic tooth 31 of the elastic tooth anti-loosening ring 3 at the two end surfaces is respectively tightly attached to the side surface of the nut of the threaded part 6 and the inner end wall of the first center shaft hole 14;

[0053] The coil spring 4 is interference fitted in the positioning ring groove 12.

[0054] The reliable anti-loose contact finger jack module realizes reliable anti-loose connection through the elastic tooth anti-loose ring 3 and the threaded part 6 coated with thread glue, and has the following beneficial effects: first, the reliable anti-loose structure greatly improves the risk of failure of rapid torque decay and loosening of each component, and the jack module works more stably and has a long service life, thereby improving product competitiveness; second, the elastic tooth anti-loose ring ensures that the clamping force of the connecting part is maintained under strong vibration, effectively prevents thread loosening, and effectively reduces the influence of temperature changes, so that the connecting part will not loosen even when the temperature changes sharply, and has durability; third, the coil spring 4 structure fixed by the positioning ring groove 12 is relatively soft to plug and has more contact points, and can be connected firmly for a long time in a vibration environment of a vehicle or a charging interface and other occasions with high requirements for plug-in life.

[0055] In the above embodiment, the elastic tooth anti-loose ring 3 is two double-stacked self-locking wedge washers, and the wedge surfaces of the two washers are outwardly arranged; the wedge washer has the beneficial effect that the wedge structure can completely fit the surface of the washer to the sealing contact surface when subjected to pressure, achieving the effect of complete sealing. Moreover, the wedge structure bends when subjected to force, increasing the friction force and thereby preventing the movement of the threaded part or threaded column, achieving efficient and reliable fixation and stopping.

[0056] In the above embodiment, the jack part 1 is made of red copper. The red copper material has good electrical conductivity, thermal conductivity, ductility and corrosion resistance.

[0057] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A reliable anti-loose contact finger jack module, characterized in that, It includes: jack part (1), insulating needle (2), elastic tooth anti-loose ring (3), rotating spring (4) and insulating cap (5); The one end of the jack part (1) is provided with a center jack (11) with blind hole structure, the circumferential wall of the center jack (11) is provided with a positioning ring groove (12), and the rear end wall is provided with an internally threaded blind hole (13) in the center; The needle body (20) of the insulating needle (2) is provided with a threaded column (21) coated with thread glue at one end and a first positioning shoulder (22) close to the inner end of the threaded column (21), the threaded column (21) passes through the center through hole (30) of the elastic tooth anti-loose ring (3) and is tightly screwed into the internally threaded blind hole (13), so that the needle body (20) is suspended in the center of the center jack (11), and the outer suspension end of the needle body (20) is clamped and connected with the insulating cap (5); The elastic tooth (31) of the elastic tooth anti-loose ring (3) on the two end faces is respectively pressed and tightly fitted with the inner side of the first positioning shoulder (22) and the rear end wall of the center jack (11); The rotating spring (4) is interference fitted in the positioning ring groove (12).

2. A reliable anti-tamper contact finger jack module according to claim 1, wherein, The first positioning shoulder (22) is a regular hexagonal structure same as the inner hole of the installation tool.

3. The reliable anti-tent contact finger jack module of claim 1, wherein, The clamping section (23) at the other end of the needle body (20) is provided with a circular ring clamping groove (24), the middle of the inner shaft hole (51) of the insulating cap (5) is provided with a buckle (52), the clamping section (23) is interference fitted and connected with the inner shaft hole (51), and the buckle (52) is interference fitted with the circular ring clamping groove (24).

4. A reliable anti-tamper contact finger jack module according to claim 3, wherein, The buckle (52) is a plurality of circumferentially arranged right-angled triangular bodies.

5. A reliable anti-tent contact finger jack module according to claim 4, wherein, At the position opposite to the buckle (52), the end cover of the insulating cap (5) is provided with a forming process hole (53).

6. A reliable anti-tent contact finger jack module according to claim 3, wherein, The inner end of the clamping section (23) is provided with a second positioning shoulder (25) abutting against the insulating cap (5).

7. A reliable anti-tent contact finger jack module according to claim 3, wherein, The threaded column (21) of the needle body (20) is formed in a large-diameter connecting section (27) at the inner end of the needle body (20), the first positioning shoulder (22) is located in the middle of the connecting section (27), and an optical axis section (26) is further arranged between the threaded column (21) and the first positioning shoulder (22), and the optical axis section (26) is in small gap cooperation with the center through hole (30) of the elastic tooth anti-loose ring (3).

8. The reliable anti-tent contact finger jack module of claim 1, wherein, The other end of the jack part (1) is provided with a rectangular anti-rotation surface (15) and an externally threaded blind hole (16) in the center of the end surface for connecting an aluminum bar.

9. A reliable anti-loose contact finger jack module, characterized in that, It includes: jack part (1), elastic tooth anti-loose ring (3), rotating spring (4), threaded part (6) and copper bar (7); The one end of the jack part (1) is provided with a center jack (11) with blind hole structure and the other end is provided with a first center shaft hole (14), the circumferential wall of the center jack (11) is provided with a positioning ring groove (12); The threaded end of the threaded part (6) is coated with thread glue, which passes through the first center shaft hole (14) and the center through hole (30) of the elastic tooth anti-loose ring (3) and is tightly screwed into the nested nut part (8) of the copper bar (7); The elastic tooth (31) of the elastic tooth anti-loose ring (3) on the two end faces is respectively pressed and tightly fitted with the side of the nut of the threaded part (6) and the inner end wall of the first center shaft hole (14); The rotating spring (4) is interference fitted in the positioning ring groove (12). The first positioning shoulder (22) is a regular hexagonal structure same as the inner hole of the installation tool.

10. A reliable anti-tamper finger-jack module as claimed in any one of claims 1 to 9, wherein, The elastic tooth anti-loose ring (3) is two double-stacked self-locking wedge-shaped gaskets, and the wedge-shaped elastic tooth (31) of the two gaskets is outwardly arranged; Or the jack plug (1) is made of red copper material, and the insulating pin (2) is made of metal material.