CN215184559U

CN215184559U - Crimping connector

Info

Publication number: CN215184559U
Application number: CN202121394506.7U
Authority: CN
Inventors: 杨宁
Original assignee: Bozhou Lanto Electronic Ltd
Current assignee: Bozhou Lanto Electronic Ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-14
Anticipated expiration: 2031-06-22

Abstract

A compression connector, comprising: the butt joint component comprises a butt joint and a contact pin at least partially positioned in the butt joint, wherein the contact pin comprises a butt joint part and a connecting part; a cable including a core wire, the core wire being electrically connected to the connection portion; the cable joint comprises a joint part and a joint cap matched with the joint part; the cable includes a corrugated tube located at an outer periphery of the core wire; the joint part comprises an accommodating cavity and at least one elastic claw positioned on the outer side of the accommodating cavity; the corrugated pipe is at least partially accommodated in the accommodating cavity, and the joint cap is fixed on the joint part so that the elastic claw is fixed on the corrugated pipe in a compression joint mode.

Description

Crimping connector

Technical Field

The utility model relates to a crimping formula connector belongs to cable connector technical field.

Background

Existing cable connectors typically include a cable, a cable header, and a pin that is connected to the cable. To ensure reliable contact of the cable with the pin, the cable connector is important to maintain the stability of the cable position and reduce cable looseness.

Some cable connectors in the related art perform connection between cables and pins by means of direct tinning and bonding wires, however, this method has extremely high requirements for manufacturing, easily causes network and poor dynamic PIM, and has a high product rejection rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a better crimping formula connector of cable position stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a compression connector, comprising:

the butt joint component comprises a butt joint and a contact pin at least partially positioned in the butt joint, wherein the contact pin comprises a butt joint part and a connecting part;

a cable including a core wire, the core wire being electrically connected to the connection portion; and

the cable joint comprises a joint part and a joint cap matched with the joint part;

the cable includes a corrugated tube located at an outer periphery of the core wire; the joint part comprises an accommodating cavity and at least one elastic claw positioned on the outer side of the accommodating cavity; the corrugated pipe is at least partially accommodated in the accommodating cavity, and the joint cap is fixed on the joint part so that the elastic claw is fixed on the corrugated pipe in a compression joint mode.

As the utility model discloses further modified technical scheme, the elastic claw is a plurality of and distributes along circumference accept the outside in chamber, each elastic claw including be used for with the bellying of bellows looks crimping.

As the utility model discloses further modified technical scheme, the elastic claw is including exposing accept the inner wall in chamber, the inner wall include with bellows normal running fit's internal thread.

As a further improved technical solution of the present invention, the joint cap is along with the axial direction perpendicular to the core wire is in interference fit with the joint portion.

As a further improved technical solution of the present invention, the joint cap includes a stopping portion extending radially inward, and the stopping portion is located at the rear end of the joint portion.

As a further improved technical solution of the present invention, the butt joint includes a butt joint barrel portion and a first mounting portion, the butt joint portion extends into the butt joint barrel portion, and the connecting portion extends into the first mounting portion; the joint part comprises a second installation part fixed with the first installation part, and the first installation part is connected with the second installation part through threads.

As the utility model discloses further modified technical scheme, the butt joint subassembly is including cup jointing on the contact pin and being located butt joint portion with insulator between the connecting portion, the butt joint is including acceping the card of insulator is held the groove.

As the utility model discloses further modified technical scheme, connecting portion are including acceping the draw-in groove of heart yearn and being located at least one elasticity jack catch in the outside of draw-in groove, the elasticity jack catch with heart yearn looks butt.

As the utility model discloses further modified technical scheme, crimping formula connector still includes the butt and is in the rear end of joint cap just cup joints sealing washer on the cable.

As a further improved technical solution of the present invention, the crimping connector further includes an outer sheath at least partially fixed on the sealing ring.

Compared with the prior art, the cable of the utility model comprises a corrugated pipe positioned at the periphery of the core wire; the joint part comprises an accommodating cavity and at least one elastic claw positioned on the outer side of the accommodating cavity; the corrugated pipe is at least partially accommodated in the accommodating cavity, and the joint cap is fixed on the joint part so that the elastic claw is fixed on the corrugated pipe in a compression joint mode. So set up, improved the stability of cable position, reduced the not hard up risk takes place for the cable.

Drawings

Fig. 1 is a perspective view of the crimp connector of the present invention in one embodiment.

Fig. 2 is a perspective view of fig. 1 from another angle.

Fig. 3 is a partially exploded perspective view of fig. 1.

Fig. 4 is a further partially exploded perspective view of fig. 3.

Fig. 5 is a further partially exploded perspective view of fig. 4.

Fig. 6 is a further exploded perspective view of fig. 5.

Fig. 7 is an exploded perspective view from another angle of fig. 6.

Fig. 8 is a schematic sectional view taken along line a-a in fig. 1.

Fig. 9 is a partially enlarged view of a picture frame portion B in fig. 8.

Detailed Description

Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. If several embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The description set forth below in the exemplary detailed description does not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatus, products, and/or methods consistent with certain aspects of the invention, as recited in the claims of the invention.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in the specification and claims of this application, the singular form of "a", "an", or "the" is intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims of the present invention do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the terms "front," "back," "up," "down," and the like in the description of the invention are used for convenience of description and are not limited to a particular position or spatial orientation. The word "comprise" or "comprises", and the like, is an open-ended expression meaning that an element that precedes "includes" or "comprising" includes "that the element that follows" includes "or" comprises "and its equivalents, that do not preclude the element that precedes" includes "or" comprising "from also including other elements. If the utility model discloses in appear "a plurality of", its meaning indicates two and more than two.

Referring to fig. 1 to 9, the embodiment of the present invention discloses a crimp connector 100, which includes a butt joint assembly 1, a cable 2, a cable joint 3, a sealing ring 4 and an outer sheath 5. In one embodiment of the present invention, the compression connector 100 is a radio frequency connector.

Referring to fig. 5 and 6, the cable 2 includes a core wire 21, an insulating layer 22 wrapped around the core wire 21, a corrugated tube 23 wrapped around the insulating layer 22 and located at an outer circumference of the core wire 21, and an insulating sheath 24 wrapped around a portion of the corrugated tube 23. In the illustrated embodiment of the present invention, the cable 2 is configured to be connected to the butt joint assembly 1, the corrugated tube 23 axially protrudes from the insulation sheath 24, and the core wire 21 axially protrudes from the corrugated tube 23 and the insulation layer 22.

The butt joint assembly 1 includes a butt joint 11, a pin 12 at least partially disposed in the butt joint 11, and an insulator 13 sleeved on the pin 12 to fix the pin 12 to the butt joint 11.

Referring to fig. 3 and 4, in the illustrated embodiment of the present invention, the butt joint 11 is cylindrical and includes a butt cylindrical body 111 and a first mounting portion 112 located at a rear end of the butt cylindrical body 111.

The pin 12 includes a mating portion 121 and a connecting portion 122. The docking portion 121 extends into the docking body 111, and the connecting portion 122 extends into the connecting portion 122. The insulator 13 is disc-shaped, and the pin 12 includes a step surface 123 located between the abutting portion 121 and the connecting portion 122, and the step surface 123 abuts against the pin. The insulator 13 is located between the abutting portion 121 and the connecting portion 122. Referring to fig. 9, the butt joint 11 includes a holding groove 113 for accommodating the insulator 13.

Referring to fig. 7 and 9, in the illustrated embodiment of the present invention, the connecting portion 122 includes a slot 1221 for receiving the core wire 21 and a plurality of elastic claws 1222 located outside the slot 1221, and the elastic claws 1222 are in contact with the core wire 21 to improve the reliability of the connection between the pin 12 and the core wire 21.

Referring to fig. 4 to 9, the cable connector 3 includes a connector portion 31 and a connector cap 32 engaged with the connector portion 31. The joint part 31 includes a rotation urging part 311, a second mounting part 312 located at a front end of the rotation urging part 311, and an extension part 313 located at a rear end of the rotation urging part 311. The second mounting portion 312 is fixed to the first mounting portion 112. In the illustrated embodiment of the present invention, the first mounting portion 112 and the second mounting portion 312 are connected by a screw, for example, the inner side of the first mounting portion 112 is provided with an internal thread, and the outer side of the second mounting portion 312 is provided with an external thread.

The extension portion 313 includes a housing cavity 3131 and at least one elastic claw 3132 located outside the housing cavity 3131. The bellows 23 is at least partially received in the receiving cavity 3131. In the illustrated embodiment of the present invention, the elastic jaw 3132 includes an inner wall exposed to the receiving cavity 3131, and the inner wall includes an internal thread 3133 rotatably engaged with the bellows 23. With this arrangement, the reliability of the bellows 23 being mounted in the housing cavity 3131 can be improved. In the illustrated embodiment of the present invention, the elastic claws 3132 are a plurality of and circumferentially distributed outside the receiving cavity 3131. Each of the elastic claws 3132 includes a convex portion 3134 to be pressed against the bellows 23.

The connector cap 32 is fixed to the connector portion 31 to deform the elastic claw 3132 inward in a radial direction perpendicular to the axial direction of the core wire 21, so that the elastic claw 3132 is fixed to the corrugated tube 23 by pressure contact, the stability of the cable position is improved, and the risk of the cable 2 loosening is reduced. Specifically, in the illustrated embodiment of the present invention, the joint cap 32 is sleeved on the extension 313 along the axial direction, and the joint cap 32 is in interference fit with the joint portion 31 along the radial direction. The joint cap 32 includes a stopper portion 321 extending inward in the radial direction, and the stopper portion 321 abuts against the rear end of the joint portion 31 in the axial direction.

The sealing ring 4 is abutted against the rear end of the connector cap 32 and sleeved on the cable 2 to realize sealing of the joint. The outer jacket 5 is at least partially fixed to the sealing ring 4.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present invention should be based on the technical personnel in the technical field, although the present specification has been described in detail with reference to the above embodiments, however, the skilled in the art should understand that the technical personnel in the technical field can still modify the present invention or substitute the same, and all technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A compression connector (100) comprising:

a butt joint assembly (1), the butt joint assembly (1) comprising a butt joint (11) and a pin (12) at least partially located in the butt joint (11), the pin (12) comprising a butt section (121) and a connecting section (122);

a cable (2), the cable (2) comprising a core wire (21), the core wire (21) being electrically connected with the connection portion (122); and

a cable joint (3), wherein the cable joint (3) comprises a joint part (31) and a joint cap (32) matched with the joint part (31);

the method is characterized in that: the cable (2) comprises a bellows (23) located at the outer periphery of the core wire (21); the joint part (31) comprises a containing cavity (3131) and at least one elastic claw (3132) positioned outside the containing cavity (3131); the corrugated pipe (23) is at least partially accommodated in the accommodating cavity (3131), and the joint cap (32) is fixed to the joint part (31) so that the elastic claw (3132) is fixed to the corrugated pipe (23) in a pressure-contact manner.

2. The compression connector (100) of claim 1, wherein: the elastic claws (3132) are distributed on the outer side of the accommodating cavity (3131) along the circumferential direction, and each elastic claw (3132) comprises a protruding part (3134) for being in pressure connection with the corrugated pipe (23).

3. The compression connector (100) of claim 1, wherein: the elastic claw (3132) includes an inner wall exposed to the housing cavity (3131), the inner wall including an internal thread (3133) rotatably fitted with the corrugated tube (23).

4. The compression connector (100) of claim 1, wherein: the joint cap (32) is interference-fitted with the joint portion (31) in a radial direction perpendicular to the axial direction of the core wire (21).

5. The crimp-style connector (100) of claim 4, wherein: the joint cap (32) comprises a stop part (321) extending inwards along the radial direction, and the stop part (321) abuts against the rear end of the joint part (31) along the axial direction.

6. The compression connector (100) of claim 1, wherein: the butt joint (11) comprises a butt cylindrical body (111) and a first mounting part (112), the butt part (121) extends into the butt cylindrical body (111), and the connecting part (122) extends into the first mounting part (112); the joint part (31) comprises a second mounting part (312) fixed to the first mounting part (112), and the first mounting part (112) and the second mounting part (312) are connected through threads.

7. The compression connector (100) of claim 1, wherein: the butt joint component (1) comprises an insulator (13) which is sleeved on the contact pin (12) and located between the butt joint part (121) and the connecting part (122), and the butt joint (11) comprises a clamping groove (113) for accommodating the insulator (13).

8. The compression connector (100) of claim 1, wherein: the connecting part (122) comprises a clamping groove (1221) for accommodating the core wire (21) and at least one elastic claw (1222) positioned outside the clamping groove (1221), and the elastic claw (1222) is abutted against the core wire (21).

9. The compression connector (100) of claim 1, wherein: the crimping connector (100) further comprises a sealing ring (4) which abuts against the rear end of the connector cap (32) and is sleeved on the cable (2).

10. The compression connector (100) of claim 9, wherein: the crimp-type connector (100) further comprises an outer jacket (5) at least partially fixed to the sealing ring (4).