CN218448555U - Circular connector - Google Patents

Abstract

The utility model discloses a circular connector, including connector assembly, inner core subassembly and back tail pipe, connector assembly and inner core subassembly plug are connected, the back tail pipe cover is established on the inner core subassembly and with connector assembly threaded connection, the inner core subassembly includes that wire, terminal and joint are in elasticity stopping piece on the terminal, wire and terminal are connected, elasticity stopping piece includes first spacing arm and the spacing arm of second, the terminal is spacing between first spacing arm and the spacing arm of second. The utility model provides a circular connector assembly process is simple and with low costs.

Description

Circular connector

Technical Field

The utility model relates to a circular connector technical field, in particular to circular connector.

Background

Along with the requirement of larger current passing performance of the circular connector, under the condition that the external dimension is limited, most manufacturers begin to increase the straight channel of the wire, the traditional wire welding process is changed into the crimping process, the crimping process causes the limitation of customers on the production process, and in order to change the difficulty, the circular connector which is small in size, large in current, capable of being crimped and convenient and fast in assembly process needs to be designed, and a very key technical point is an integrated anti-backing structure.

The retaining structure in the existing circular connector is formed integrally by barb hard interference type, two component assembly type and molding; the barb hard interference type and molding integrated forming cannot meet the requirement of a round multi-pin position, and the production process of assembling and then crimping is complex; the assembly of two components requires larger space, a set of mould needs to be additionally arranged, and the assembly procedure is increased, so that the product cost is increased.

Therefore, the existing retaining structure causes the assembly process of the circular connector product to be complicated and the cost to be high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a circular connector, this circular connector assembly technology is simple and with low costs.

The utility model discloses a following technical scheme realizes:

the utility model provides a circular connector, includes connector assembly, inner core subassembly and tail pipe, connector assembly and inner core subassembly plug are connected, the tail pipe cover is established on the inner core subassembly and with connector assembly threaded connection, the inner core subassembly includes that wire, terminal and joint are in elasticity stopping piece on the terminal, wire and terminal are connected, elasticity stopping piece includes first spacing arm and the spacing arm of second, the terminal is spacing be in between first spacing arm and the spacing arm of second.

Further, the terminal includes a plurality of spool, be provided with the boss on the spool, the boss is spacing to be in between first spacing arm and the spacing arm of second.

Furthermore, a first limiting block is arranged on the first limiting arm, a second limiting block is arranged on the second limiting arm, and one side of the boss is abutted against the first limiting block, and the other side of the boss is abutted against the second limiting block.

Further, the connector assembly comprises a plastic main body and a sleeve, the sleeve is connected with the plastic main body in a clamped mode, the plastic main body is provided with a matching hole, and the line pipe and the matching hole are connected in a matched mode.

Furthermore, be equipped with stopper and draw-in groove in the plastic main part, be equipped with lug and barb on the sleeve pipe, the barb holds in the draw-in groove, the lug with the stopper butt.

Further, the connector subassembly still includes the shielding pipe, shielding pipe one end with tail pipe threaded connection, the other end with the sleeve pipe joint.

Furthermore, the shielding pipe is provided with an external thread part, the rear tail pipe is provided with an internal thread part, and the external thread part is in threaded connection with the internal thread part.

Furthermore, a clamping block is arranged on the shielding pipe and is contained in a groove in the sleeve.

Furthermore, the connector assembly further comprises a nut, and the nut is slidably sleeved on the sleeve.

Further, the connector assembly further comprises a waterproof ring, the waterproof ring is arranged between the screw cap and the plastic main body, and the waterproof ring is tightly sleeved on the plastic main body.

Compared with the prior art, the utility model has the advantages of:

1. the inner core subassembly includes wire, terminal and the elasticity stopping piece of joint on the terminal, connects every spool in the terminal and sinle silk one-to-one in the wire, then slowly pushes elasticity stopping piece from the one end that the wire was kept away from to the spool, falls into between the spacing arm of first spacing arm and the second of elasticity stopping piece until the boss of spool to the restriction terminal advance and retreat. The modularized inner core assembly is realized, the installation is convenient and fast, the production cost is saved, and the space utilization rate of a product is improved.

Drawings

Fig. 1 is a schematic structural diagram of a circular connector according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a front view of a circular connector;

FIG. 4 isbase:Sub>A cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is an enlarged view of the portion C in FIG. 4;

FIG. 6 is a front view of the core assembly;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

fig. 8 is an enlarged view of a portion D in fig. 7.

1. A connector assembly; 10. a plastic body; 100. a limiting block; 101. a card slot; 102. a mating hole; 11. a sleeve; 110. a bump; 111. a barb; 112. a groove; 113. a tail portion; 114. deep grooves; 12. a nut; 120. connecting threads; 13. a shielding tube; 130. a clamping block; 131. an external threaded portion; 14. a waterproof ring; 2. an inner core assembly; 20. a wire; 200. a wire core; 21. a terminal; 210. a conduit; 211. a boss; 22. an elastic retaining member; 220. a first spacing arm; 221. a second limiting arm; 222. a first stopper; 223. a second limiting block; 3. a tail pipe; 30. an internal threaded portion.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 8, the circular connector according to an embodiment of the present invention includes a connector assembly 1, an inner core assembly 2 and a tail pipe 3, wherein the connector assembly 1 and the inner core assembly 2 are connected by plugging, and the tail pipe 3 covers the inner core assembly 2 and is connected with the connector assembly 1 by a screw.

The connector component 1 comprises a plastic main body 10, a sleeve 11, a screw cap 12, a shielding pipe 13 and a waterproof ring 14, wherein the sleeve 11 is clamped with the plastic main body 10, one end of the shielding pipe 13 is in threaded connection with the rear tail pipe 3, and the other end of the shielding pipe 13 is clamped with the sleeve 11; the nut 12 is slidably disposed on the sleeve 11, the waterproof ring 14 is disposed between the nut 12 and the plastic body 10, and the waterproof ring 14 is tightly disposed on the plastic body 10.

The plastic body 10 is provided with a stopper 100, a slot 101 and a mating hole 102. One side of the stopper 100 abuts against the sleeve 11, and the other side abuts against the waterproof ring 14. The locking slot 101 is used for locking the sleeve 11 so that the sleeve 11 can be fixed on the plastic body 10, and the matching hole 102 is used for matching the core assembly 2.

Be provided with lug 110, barb 111 and recess 112 on the sleeve pipe 11, be equipped with deep trouth 114 in the recess 112, barb 111 holds and makes sleeve pipe 11 and plastic main part 10 joint in draw-in groove 101, and at this moment, the stopper 100 butt on lug 110 and the plastic main part 10 guarantees that the mounting structure of sleeve pipe 11 and plastic main part 10 is enough stable, avoids its back-and-forth movement. The groove 112 and the deep groove 114 are used for clamping the shielding tube 13.

Shield tube 13 includes latch 130 and male threaded portion 131, latch 130 is received in recess 112 of ferrule 11 and the top of latch 130 is received in deep slot 114, at which time shield tube 13 abuts tail portion 113 of ferrule 11 to ensure that the connection between shield tube 13 and ferrule 11 is sufficiently stable, and male threaded portion 131 is threadedly engaged with female threaded portion 30 of tail tube 3.

The nut 12 has a connecting thread 120 for threadedly connecting a female connector.

The core assembly 2 includes a lead wire 20, a terminal 21, and an elastic stopper 22 engaged with the terminal 21, and the lead wire 20 is connected to the terminal 21. The structure of the lead 20, the terminal 21 and the elastic retaining piece 22 is integrated on one part to form a modular structure, so that the lead can be conveniently and quickly installed, the assembly process is simplified, and the cost of independently starting the grinding tool is reduced.

The terminal 21 includes a plurality of conduits 210, one end of each conduit 210 is connected to the corresponding core 200 of the wire 20, and the other end is connected to the mating hole 102 of the plastic body 10.

The spool 210 is provided with a boss 211, and the boss 211 is limited in the elastic retaining member 22 so that the spool 210 cannot move back and forth.

The elastic retaining member 22 includes a first retaining arm 220 and a second retaining arm 221, and the boss 211 of each conduit 210 in the terminal 21 is retained between the first retaining arm 220 and the second retaining arm 221. The first limiting arm 220 is provided with a first limiting block 222, the second limiting arm 221 is provided with a second limiting block 223, one side of the boss 211 is abutted against the first limiting block 222, and the other side of the boss 211 is abutted against the second limiting block 223. The elastic retaining member 22 has elasticity, so that the installation is convenient, and the retaining member can be clamped with the spool 210, so that the spool 210 is prevented from moving back and forth, and meanwhile, compared with a two-component assembly mode, the limiting mode saves the production cost.

During installation, the inner core assembly 2 is firstly assembled: each conduit 210 in the terminal 21 and the wire core 200 in the wire 20 are connected in a one-to-one correspondence manner, and then the elastic retaining member 22 is slowly pushed in from one end of the conduit 210 away from the wire 20 until the boss 211 of the conduit 210 falls between the first limiting arm 220 and the second limiting arm 221 of the elastic retaining member 22, and the boss 211 falls between the first limiting block 222 and the second limiting block 223, so that the advancing and retreating of the terminal 21 are limited. The modularization of the inner core assembly 2 is realized, the installation is convenient, the production cost is saved, and the space utilization rate of the product is improved. Then the joint assembly 1 is assembled: preparing a plastic main body 10, tightly sleeving a waterproof ring 14 at one end of the plastic main body 10 and fitting one end of a limiting block 100 of the plastic main body 10, clamping a sleeve 11 at the other end of the plastic main body 10, sleeving a nut 12 at one end of the sleeve 11 far away from the waterproof ring 14 at the other end of the limiting block 100 of the plastic main body 10 by a convex block 110 on the sleeve 11, and finally clamping a shielding pipe 13 on the sleeve 11, wherein the nut 12 can slide between the shielding pipe 13 and the limiting block 100 of the plastic main body 10. The connector assembly 1 and the core assembly 2 are then assembled, the terminals 210 are inserted into the mating holes 102 of the plastic body 10, and finally the tail pipe 3 is fitted over the core assembly 2 and screwed to the shield pipe 13.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a circular connector, includes connector subassembly (1), inner core subassembly (2) and tail pipe (3), connector subassembly (1) and inner core subassembly (2) plug are connected, tail pipe (3) cover is established on inner core subassembly (2) and with connector subassembly (1) threaded connection, a serial communication port, inner core subassembly (2) are in including wire (20), terminal (21) and joint elasticity stopping piece (22) on terminal (21), wire (20) and terminal (21) are connected, elasticity stopping piece (22) are including first spacing arm (220) and the spacing arm of second (221), terminal (21) are spacing between first spacing arm (220) and the spacing arm of second (221).

2. Circular connector according to claim 1, characterized in that the terminal (21) comprises a plurality of conduits (210), said conduits (210) being provided with bosses (211), said bosses (211) being trapped between the first and second retaining arms (220, 221).

3. The circular connector according to claim 2, wherein a first stopper (222) is disposed on the first stopper arm (220), a second stopper (223) is disposed on the second stopper arm (221), and one side of the boss (211) abuts against the first stopper (222) and the other side abuts against the second stopper (223).

4. The circular connector according to claim 2, wherein the connector assembly (1) comprises a plastic body (10) and a sleeve (11), the sleeve (11) is clamped with the plastic body (10), the plastic body (10) is provided with a mating hole (102), and the conduit (210) is mated with the mating hole (102).

5. The circular connector according to claim 4, wherein the plastic body (10) is provided with a stopper (100) and a slot (101), the sleeve (11) is provided with a projection (110) and a barb (111), the barb (111) is accommodated in the slot (101), and the projection (110) abuts against the stopper (100).

6. The circular connector according to claim 4, wherein the connector assembly (1) further comprises a shielding tube (13), one end of the shielding tube (13) is in threaded connection with the tail pipe (3), and the other end of the shielding tube is clamped with the sleeve (11).

7. The circular connector according to claim 6, wherein an external thread portion (131) is provided on the shield pipe (13), and an internal thread portion (30) is provided on the tail pipe (3), and the external thread portion (131) and the internal thread portion (30) are screw-coupled.

8. Circular connector according to claim 6, wherein the shielding tube (13) is provided with a latch (130), the latch (130) being received in a recess (112) in the sleeve (11).

9. Circular connector according to claim 4, wherein the connector assembly (1) further comprises a nut (12), the nut (12) being slidably fitted over the sleeve (11).

10. The circular connector according to claim 9, wherein the connector assembly (1) further comprises a waterproof ring (14), the waterproof ring (14) is disposed between the nut (12) and the plastic body (10), and the waterproof ring (14) is tightly fitted over the plastic body (10).

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