CN219350802U

CN219350802U - On-site wiring connector

Info

Publication number: CN219350802U
Application number: CN202320275649.9U
Authority: CN
Inventors: 杨永前; 秦长辉; 张小龙; 韩冰
Original assignee: Beisit Electric Tech Hangzhou Co ltd
Current assignee: Beisit Electric Tech Hangzhou Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-07-14
Anticipated expiration: 2033-02-08

Abstract

The application provides a field connection connector, including straight shell and suit in the outside coupling screw of straight shell front end, straight shell is equipped with the wave spring installation department that is used for the suit wave spring and is used for the first slot of clamping the opening jump ring, wave spring installation department installs the wave spring, the inside of coupling screw is equipped with the second slot, the opening jump ring is gone into to the card in first slot and the second slot, the border of coupling screw is equipped with round guide angle, can compress the opening jump ring when the coupling screw along the straight shell of axial assembly, produce a precompression to the wave spring, this precompression makes the coupling screw receive pretightning force after assembling with other products, thereby have the technical effect of antidetonation anticreep, the stability of assembly is improved, the performance and the life of electric connector have been promoted notably.

Description

On-site wiring connector

Technical Field

The present application relates to the field of electrical connector apparatus, and more particularly to a field wiring connector.

Background

Currently, the on-site wiring connector on the market mainly comprises a straight housing, a coupling screw, a tightening cap, a shielding bracket, a mounting seat, a crimping contact pin assembly, an insulator, a sealing ring and other components. However, most of the existing connectors do not have the anti-vibration function, the service performance is affected, the appearance of the connector with the anti-vibration function is large, the installation operation is affected, and the installation efficiency is low.

Disclosure of Invention

The application provides a field connection connector has anti-vibration function, and its compact structure, appearance are small and exquisite, and the installation operation of being convenient for, installation effectiveness is high, and the stable performance uses conveniently.

The application provides a field connection connector, including straight shell, suit in the outside coupling screw of straight shell front end and threaded connection in the tight cap of forcing of straight shell rear end, straight shell with the tight cap inside constitution installation cavity, installation cavity installs shielding support, mount pad and crimping contact pin subassembly, insulator and sealing washer, still includes wave spring and opening jump ring, straight shell is equipped with the wave spring installation department that is used for the suit wave spring and is used for the first slot of clamping the opening jump ring, the inside of coupling screw is equipped with the second slot, first slot with the card is gone into in the second slot the opening jump ring, the border of coupling screw is equipped with the round and is used for as the coupling screw compresses when packing into along the axial the direction angle of direction of opening jump ring.

In some embodiments, the top surface of the shielding bracket is provided with a step surface, the bottom surface of the shielding bracket is provided with a cross skeleton, the top surface of the insulator is provided with a cross clamping groove, and the bottom side surface of the insulator is provided with a positioning boss for positioning the step surface.

In some embodiments, the inner cavity of the straight housing is provided with an inner wall, and the outer wall of the insulator is provided with ribs for interference fit with the insulator when the insulator is pressed into the straight housing.

In some embodiments, a key slot is provided on the straight housing, and the insulator is provided with the positioning boss for fitting into the key slot.

In some embodiments, the mounting seat is provided with a plurality of clamping positions distributed in the circumferential direction, and the crimping pin is provided with a third groove matched with each clamping position.

In some embodiments, the side wall of the crimping pin is provided with a viewing hole to facilitate viewing of the insertion depth of the wire core.

In some embodiments, the cable assembly further comprises a shielding spring assembly mounted between the insulator and the sealing ring, wherein a triangular spring used for conducting the cable is mounted inside the shielding spring assembly.

According to the method, the wave spring mounting part and the first ring of grooves are arranged on the straight shell, the second ring of grooves is arranged in the coupling screw, the wave spring is sleeved on the wave spring mounting part, the opening clamp spring is clamped in the first groove and the second ring of grooves, the straight shell and the coupling screw are assembled through the opening clamp spring, when the coupling screw is assembled with the straight shell, the wave spring is precompressed, the precompressed force is applied to the coupling screw after the coupling screw is assembled with other products, and the pretightening force has the technical effect of shock resistance and anti-drop. The field wiring connector provided by the application has the advantages of earthquake-resistant structure, strong earthquake resistance, good anti-drop property, high assembly stability, small outline structure, no occupied space and obvious promotion of the service performance and service life of the electric connector.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

FIG. 1 is an exploded view of a field wiring connector provided in an embodiment of the present application;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a cross-sectional view of the straight housing, coupling screw, wave spring and split collet of FIG. 1 in an assembled state;

fig. 4 is a schematic view of the structure of the shielding bracket and insulator of fig. 1;

FIG. 5 is a cross-sectional view of a straight housing and insulator in an assembled state in one embodiment of the present application;

FIGS. 6 and 7 are schematic views of a straight housing and insulator in another embodiment of the present application;

FIG. 8 is a schematic view of the mounting block and crimp pin assembly of FIG. 1;

FIG. 9 is a schematic view of the construction of the shield spring assembly of FIG. 1;

fig. 10 is a schematic view of the triangle spring in fig. 9.

The device comprises a 1-straight shell, a 2-coupling screw, a 3-tightening cap, a 4-shielding bracket, a 5-mounting seat, a 6-crimping contact pin assembly, a 7-insulator, an 8-sealing ring, a 9-wave spring, a 10-opening clamp spring, an 11-shielding spring assembly and a 12-triangle spring, wherein the first-order shell is provided with a first-order shell;

101-wave spring installation part, 102-first slot, 103-key slot, 104-inner wall, 201-second slot, 202-guide angle, 401-step surface, 402-cross skeleton, 501-clamping position, 601-third slot, 602-observation hole, 701-cross clamping groove, 702-positioning boss and 703-convex rib.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

As shown in fig. 1 and 2. The application provides a field connection connector, including straight shell 1, coupling screw 2, compel tight cap 3, shielding support 4, mount pad 5 and crimping contact pin subassembly 6, insulator 7, sealing washer 8, ripples spring 9 and opening jump ring 10. The coupling screw 2 is sleeved outside the front end of the straight shell 1, the tightening cap 3 is in threaded connection with the external threads at the rear end of the straight shell 1 through internal threads, the straight shell 1, the coupling screw 2 and the tightening cap 3 are made of metal materials, an installation cavity is formed inside the straight shell 1 and the tightening cap 3, the shielding bracket 4, the installation seat 5, the crimping pin assembly 6, the insulator 7 and the sealing ring 8 are installed in the installation cavity, and all parts in the installation cavity are installed from front to back along the axial direction.

As shown in fig. 3. The straight housing 1 is provided with a wave spring mounting part 101 and a first groove 102, the wave spring mounting part 101 is of a cylindrical structure, the wave spring mounting part 101 is arranged on the front end face, the wave spring 9 is sleeved on the wave spring mounting part 101, and the wave spring 9 is sleeved and then is attached to the end face of the wave spring mounting part 101. The coupling screw 2 is provided with a second groove 201 on the inner peripheral surface, and after the straight housing 1 is matched with the coupling screw 2, the opening clamp spring 10 is installed in the first groove 102 and the second groove 201. The edge of the coupling screw 2 is provided with a guide angle 202, the guide angle 202 is a circle of inclined guide angle formed on the inner side of the edge of the coupling screw 2, and the guide angle 202 enables the coupling screw 2 to compress the opening clamp spring 10 when being axially installed.

In the application, the wave spring mounting part 101 is arranged at the front end of the straight shell 1, the first groove 102 is arranged on the outer peripheral surface, the second groove 201 is arranged in the coupling screw 2, the guide angle 202 is arranged at the lower edge of the coupling screw, the wave spring 9 is mounted on the wave spring mounting part 101, and the opening clamp spring 10 is mounted on the first groove 102 and the second groove 201. When the straight shell 1 and the coupling screw 2 are assembled, the guide angle 202 of the coupling screw 2 compresses the opening clamp spring 10, after the straight shell 1 and the coupling screw 2 are assembled through the opening clamp spring 10, the compression wave spring 9 enables the wave spring 9 to generate precompression, and the precompression enables the coupling screw 2 to be preloaded after being assembled with other products, so that anti-seismic and anti-drop effects are achieved. The connector is simple in structure, convenient to process and low in cost, and can effectively realize anti-seismic and anti-drop of the connector.

As shown in fig. 4. In order to improve the assembly effect between the shielding bracket 4 and the insulator 7, a step surface 401 may be disposed on the top surface of the shielding bracket 4, a cross skeleton 402 may be disposed on the bottom surface of the shielding bracket 4, a cross clamping groove 701 may be disposed on the top surface of the insulator 7, and a positioning boss 702 may be disposed on the bottom side surface of the insulator 7.

When the shielding bracket 4 and the insulator 7 are mounted, the step surface 401 is aligned with the positioning boss 702, in this case, the cross frame 402 is inserted into the cross clamping groove 701, and the rest cannot be mounted. After insertion, the insertion is ensured not to fall off due to interference fit. The visual mistake-proofing mounting mode improves the assembly efficiency of the shielding bracket 4 and the insulator 7 and reduces the mistake-mounting rate.

As shown in fig. 5. The inner chamber of straight shell 1 is equipped with inner wall 104, and insulator 7's outer wall is equipped with protruding muscle 703, and insulator 7 presses in behind the straight shell 1, protruding muscle 703 and inner wall 104 interference fit realize the whole equipment of straight shell 1, shielding support 4, insulator 7, and the location is more accurate, and installation effectiveness is higher.

As shown in fig. 6 and 7. Further, the key groove 103 is formed in the straight shell 1, the positioning boss 702 is formed in the insulator 7, and when the insulator 7 is pressed into the straight shell 1, the positioning boss 702 is arranged in the key groove 103, so that the positioning accuracy and the assembly efficiency of the straight shell 1 and the insulator 7 are further improved.

As shown in fig. 8. The mount pad 5 is equipped with a plurality of screens 501 that circumference distributes, and each crimping contact pin is equipped with third slot 601, and this third slot 601 is circular cross-section slot, and third slot 601 and screens 501 one-to-one adaptation, in the screens 501 of mount pad 5 were pressed in to the third slot 601 of crimping contact pin, made two parts cartridge in an organic whole, made things convenient for customer's installation operation, further promoted the assembly efficiency of mount pad 5 and crimping contact pin.

In addition, an observation hole 602 is formed in each crimping pin, and the observation hole 602 can be a round hole, a square hole, a kidney-shaped hole, a triangular hole or a polygonal hole, and the like, so that a customer can conveniently observe whether the insertion depth of the wire core is enough, and the assembly precision and the assembly efficiency are improved.

As shown in fig. 9. A shielding spring assembly 11 is installed between the insulator 7 and the sealing ring 8, the shielding spring assembly 11 specifically comprises a housing and a triangular spring 12 installed inside the housing, the triangular spring 12 is formed by winding a steel wire, the section is triangular, the triangular spring is welded head and tail after being formed, and a closed three-dimensional circular ring with the triangular section is formed, as shown in fig. 10, and then the triangular spring assembly is integrally assembled into the housing. The triangular spring 12 can realize cable shielding with the diameter of 5-8 mm, and the triangular spring 12 can twist along with the diameter of the cable, automatically adjust the locking range, realize reliable connection, is convenient to operate, realizes inner diameter change, and is suitable for cable installation with various diameters. One end of the cable is clamped and fixed by the triangular spring 12, the other end of the cable is connected to the ground, and as the outer shell of the connector, namely the straight outer shell 1, the coupling screw 2 and the tightening cap 3, is made of metal parts, the inner parts of the connector are wrapped by the outer metal parts, and then the shielding layer of the cable is clamped by the triangular spring 12, the conduction of the straight outer shell 1, the triangular spring 12, the cable shielding and the ground is realized, the complete shielding of 360 degrees is realized, and the electromagnetic interference resistance function is realized.

The on-site wiring connector in the application can realize the functions of 360-degree electromagnetic interference resistance and vibration resistance, improves the reliability of assembly in a vibration environment, and simultaneously is remarkably reduced compared with the traditional connector in size, does not occupy space, is more convenient to use and has wider application range.

It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The field wiring connector provided by the present application is described in detail above. Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. The utility model provides a field connection connector, includes straight shell (1), suit in coupling screw (2) and threaded connection of straight shell (1) front end outside in the packing cap (3) of straight shell (1) rear end, straight shell (1) with packing cap (3) inside constitution installation cavity, install shielding bracket (4), mount pad (5) and crimping contact pin subassembly (6), insulator (7) and sealing washer (8), its characterized in that still includes wave spring (9) and opening jump ring (10), straight shell (1) be equipped with be used for suit wave spring (9) wave spring installation department (101) and be used for clamping opening jump ring (10) first slot (102), the inside of coupling screw (2) is equipped with second slot (201), first slot (102) with the card is gone into in the second slot (201) opening jump ring (10), the border of coupling screw (2) is equipped with the round and is used for when coupling screw (2) is followed axial direction of opening jump ring (10) compression jump ring.

2. The field wiring connector according to claim 1, wherein a step surface (401) is provided on the top surface of the shielding bracket (4), a cross skeleton (402) is provided on the bottom surface of the shielding bracket (4), a cross clamping groove (701) is provided on the top surface of the insulator (7), and a positioning boss (702) for positioning the step surface (401) is provided on the bottom side surface of the insulator (7).

3. The field wiring connector as in claim 2, wherein the interior cavity of said straight housing (1) is provided with an interior wall (104) and the exterior wall of said insulator (7) is provided with ribs (703) for interference fit with said insulator (7) when said insulator (7) is pressed into said straight housing (1).

4. A field junction connector according to claim 3, wherein the straight housing (1) is provided with a key slot (103) and the insulator (7) is provided with the positioning boss (702) for receiving the key slot (103).

5. The field connection connector according to claim 4, characterized in that the mounting seat (5) is provided with a plurality of circumferentially distributed detents (501), and the crimp pin is provided with a third groove (601) for adapting to each of the detents (501).

6. The field wire connector of claim 5, wherein the sidewall of the crimp pin is provided with an observation hole (602) to facilitate observation of the insertion depth of the wire core.

7. The field wiring connector as in any one of claims 1-6, further comprising a shielding spring assembly (11) mounted between said insulator (7) and said seal ring (8), said shielding spring assembly (11) having internally mounted a delta spring (12) for conducting a cable.