CN216120822U

CN216120822U - Multi-compatible connector rubber core and corresponding connector

Info

Publication number: CN216120822U
Application number: CN202122762815.1U
Authority: CN
Inventors: 彭森; 王洪川
Original assignee: Shenzhen Chuante Electronic Technology Co ltd
Current assignee: Shenzhen Chuante Electronic Technology Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-22
Anticipated expiration: 2031-11-10

Abstract

The utility model provides a multi-compatible connector rubber core which is used for fixing a terminal, wherein one end of the multi-compatible connector rubber core is a wiring end used for being connected with an electric wire, and the multi-compatible connector rubber core comprises an inner rubber core and an outer rubber core. The inner rubber core is provided with a plurality of positioning holes along the axial direction and used for detachably positioning the fixed terminal, a plurality of inner avoiding grooves are formed in the side face of the inner rubber core along the circumferential direction of the inner rubber core, and the inner avoiding grooves are used for avoiding screws penetrating the wiring ends. The one end of gluing the core outward is provided with the holding tank along its axial, and interior gluey core location sets up in the holding tank, and the side of holding tank is provided with a plurality of outer potential grooves of keeping away along its circumference, keeps away the potential groove outward and is used for keeping away the position to the screw that penetrates the wiring end. The utility model also provides a corresponding connector. According to the multi-compatible connector rubber core and the connector, the positioning hole, the inner avoiding groove and the outer avoiding groove are formed, so that terminals fixed by screws, welding and deformation extrusion can be freely replaced, and the use is convenient.

Description

Multi-compatible connector rubber core and corresponding connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a multi-compatible connector rubber core and a corresponding connector.

Background

Connectors, also known domestically as connectors, plugs and sockets, generally refer to electrical connectors, i.e. devices connecting two active devices, transmitting current or signals. A connector is a component that is often contacted by those skilled in our electrical engineering. The function of the device is to erect a communication bridge at the blocked part or among isolated and non-communicated circuits in the circuit, thereby enabling the current to flow and enabling the circuit to realize the preset function. The connector rubber core and the connector in the prior art can only be used for one type of terminal fixed by screws, welding and deformation extrusion, cannot be replaced by other types of terminals, and are inconvenient to use.

Therefore, it is desirable to provide a multi-compatible connector rubber core and a corresponding connector to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multi-compatible connector rubber core and a corresponding connector, and aims to solve the technical problems that the connector rubber core and the connector in the prior art can only be used for one terminal of screw fixation, welding fixation and deformation extrusion fixation, cannot be replaced by other types of terminals, and are inconvenient to use.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a multi-compatible connector core for fixing a terminal, one end of which is a terminal for connection with an electric wire, the multi-compatible connector core comprising:

the terminal comprises an inner rubber core, a plurality of positioning holes and a plurality of inner avoiding grooves, wherein the plurality of positioning holes are formed in the inner rubber core along the axial direction of the inner rubber core and are used for detachably positioning and fixing the terminal; and the number of the first and second groups,

glue the core outward, the one end of gluing the core outward is provided with the holding tank along its axial, interior gluey core location sets up in the holding tank, the side of holding tank is provided with a plurality of outer potential grooves of keeping away along its circumference, keep away the potential groove outward and be used for keeping away the position to penetrating the screw of wiring end.

In the multi-compatible connector rubber core, the terminal is provided with a first clamping step and a second clamping step along the circumferential direction, and the first clamping step is close to the wiring end relative to the second clamping step; the locating hole is kept away from the inside of the one end of wiring end is provided with convex joint ring along its circumference, the joint ring be used for with the spacing joint of first joint step, the locating hole is kept away from the outside of the one end of wiring end is provided with convex stop collar, the edge of stop collar be used for with the spacing butt of second joint step, just the stop collar is provided with the three recess that runs through along its axial.

In the multi-compatible connector rubber core, one end of the inner rubber core, which is close to the wiring end, is provided with a circular limiting sheet, and the edge of the accommodating groove is in limiting butt joint with the limiting sheet.

In the multi-compatible connector rubber core, the side surface of the inner rubber core is provided with a buckle, and the side wall of the accommodating groove is provided with a clamping groove matched with the buckle for positioning and clamping the inner rubber core in the accommodating groove.

In the multi-compatible connector rubber core, the two symmetrical buckles are arranged, the size of one buckle is smaller than that of the other buckle, the two symmetrical clamping grooves are arranged, and the sizes of the two clamping grooves are respectively matched with the sizes of the two buckles.

In the multi-compatible connector rubber core, the side surface of the inner rubber core is also provided with two extrusion blocks, the two extrusion blocks are respectively and alternately arranged with the two buckles, and the two extrusion blocks are used for limiting and abutting against the side wall of the accommodating groove.

A connector, comprising:

the multi-compatible connector rubber core; and the number of the first and second groups,

the first terminals are respectively detachably arranged in the positioning holes in a penetrating and positioning mode, one ends of the first terminals are first wiring ends used for being connected with electric wires, a first protruding block is arranged on the side face of each first wiring end, and a first extrusion hole is formed in each first protruding block and used for extruding the electric wires into the first wiring ends after screws penetrate through the first protruding blocks; the shape of the inner avoiding groove is matched with that of the first bump, and the first bump is positioned and protrudes out of the inner avoiding groove.

In the connector of the utility model, a plurality of first terminals are distributed along the circumferential direction of the inner rubber core; the connector further comprises a second terminal, the second terminal can be detachably arranged in the positioning hole in a penetrating and positioning mode, the first terminal is arranged around the second terminal in a surrounding mode, one end of the second terminal is a second wiring end used for being connected with an electric wire, a second protruding block is arranged on the side face of the second wiring end and protrudes out of the inner rubber core, and a second extrusion hole is formed in the second protruding block and used for extruding the electric wire into the second wiring end after a screw penetrates through the second extrusion hole.

A connector, comprising:

and one end of the third terminal is a third wiring end used for being connected with an electric wire, and the third wiring end is provided with an arc-shaped notch used for welding.

A connector, comprising:

and one end of the fourth terminal is a fourth wiring end used for being connected with an electric wire, and a through hole used for allowing a power supply wire to penetrate out is further formed in the side face of the fourth wiring end.

Compared with the prior art, the utility model has the beneficial effects that: according to the multi-compatible connector rubber core and the connector, the positioning hole, the inner avoiding groove and the outer avoiding groove are formed, so that terminals fixed by screws, welding and deformation extrusion can be freely replaced, and the use is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.

Fig. 1 is an exploded view of the plastic core of the multi-compatible connector of the present invention.

Fig. 2 is a schematic view of an assembly structure of the multi-compatible connector rubber core of the present invention.

Fig. 3 is a schematic top view of the inner rubber core of the multi-compatible connector rubber core of the present invention.

Fig. 4 is a schematic cross-sectional view of the assembled multi-compatible connector rubber core and the corresponding terminal of the present invention.

Fig. 5 is an exploded view of the first embodiment of the connector of the present invention.

Fig. 6 is a schematic structural view of the first terminal and the second terminal of the first embodiment of the connector of the present invention.

Fig. 7 is a schematic structural diagram of a second embodiment of the connector of the present invention.

Fig. 8 is a schematic structural diagram of a third embodiment of the connector of the present invention.

Fig. 9 is a schematic diagram of a fourth terminal structure of a third embodiment of the connector of the present invention.

Wherein,

the labels of fig. 1-4 are as follows:

10. a terminal for connecting a terminal to a power supply,

101. a terminal 102, a first clamping step 103, a second clamping step,

11. the inner rubber core is arranged in the inner rubber core,

111. a positioning hole 1111, a clamping ring 1112, a limiting sleeve,

112. an inner avoiding groove is arranged in the inner side of the groove,

113. a position-limiting sheet is arranged on the upper surface of the frame,

114. a buckle is arranged on the upper surface of the bracket,

115. the block is extruded to be a block,

12. an outer rubber core is arranged on the outer side of the rubber core,

121. the holding groove, 122, the outer groove of keeping away, 123, draw-in groove.

The labels of fig. 5 and 6 are as follows:

21. a first terminal 211, a first terminal end 212, a first bump 213, a first extrusion hole,

22. second terminal 221, second terminal 222, second bump 223, second extrusion hole.

The labels of FIG. 7 are as follows:

31. third terminal, 311, gap.

The labels of fig. 8 and 9 are as follows:

41. fourth terminal, 411, punch through.

In the drawings, elements having similar structures are denoted by the same reference numerals.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.

The terms "first," "second," and the like in the terms of the utility model are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The connector rubber core and the connector in the prior art can only be used for one type of terminal fixed by screws, welding and deformation extrusion, cannot be replaced by other types of terminals, and are inconvenient to use.

The following is a preferred embodiment of the present invention for a multi-compatible connector core and a corresponding connector that can solve the above technical problems.

Referring to fig. 1, 2, 3 and 4, the present invention provides a multi-compatible connector core for fixing a terminal 10, wherein one end of the terminal is a terminal 101 for connecting with an electric wire, and the multi-compatible connector core includes an inner core 11 and an outer core 12. The inner rubber core 11 is provided with a plurality of positioning holes 111 along the axial direction thereof for detachably positioning the fixed terminals 10. The side of the inner rubber core 11 is provided with a plurality of inner avoiding grooves 112 along the circumferential direction, and the inner avoiding grooves 112 are used for avoiding screws penetrating into the terminals 101. One end of the outer rubber core 12 is provided with a receiving groove 121 along the axial direction thereof, and the inner rubber core 11 is positioned and arranged in the receiving groove 121. The side of the accommodating groove 121 is provided with a plurality of outer avoiding grooves 122 along the circumferential direction thereof, and the outer avoiding grooves 122 are used for avoiding screws penetrating into the terminals 101.

The connector rubber core is provided with the positioning hole 111, the inner avoiding groove 112 and the outer avoiding groove 122, so that the terminal 10 fixed by screws, welding and deformation extrusion can be freely replaced, and the use is convenient.

Referring to fig. 4, the terminal 10 is provided with a first clamping step 102 and a second clamping step 103 along a circumferential direction thereof, and the first clamping step 102 is close to the terminal 101 relative to the second clamping step 103. The inner part of one end of the positioning hole 111 far away from the terminal 101 is provided with a convex clamping ring 1111 along the circumferential direction, and the clamping ring 1111 is used for limiting and clamping with the first clamping step 102. The outside of the end of the positioning hole 111 far away from the terminal 101 is provided with a convex position-limiting sleeve 1112, the edge of the position-limiting sleeve 1112 is used for limiting and abutting against the second clamping step 103, and the position-limiting sleeve 1112 is provided with three through grooves along the axial direction thereof. The above structure makes the terminal 10 firmly fixed.

Referring to fig. 1 and 2, a circular limiting piece 113 is disposed at one end of the inner rubber core 11 close to the terminal 101, and the edge of the accommodating groove 121 is in limiting contact with the limiting piece 113. This structure makes the assembly of the inner rubber core 11 and the outer rubber core 12 convenient.

Referring to fig. 1 and fig. 2, a buckle 114 is disposed on a side surface of the inner rubber core 11, and a locking groove 123 cooperating with the buckle 114 is disposed on a side wall of the accommodating groove 121, for positioning and locking the inner rubber core 11 in the accommodating groove 121. The structure ensures that the inner rubber core 11 and the outer rubber core 12 are firmly installed.

With reference to fig. 1 and fig. 2, the two symmetrical clips 114 are provided, and the size of one clip 114 is smaller than that of the other clip 114, the two symmetrical slots 123 are provided, and the sizes of the two slots 123 are respectively matched with the sizes of the two clips 114. The structure ensures that the inner rubber core 11 and the outer rubber core 12 are positioned and assembled, and is not easy to be assembled wrongly.

With reference to fig. 1, the side surface of the inner core 11 is further provided with two extrusion blocks 115, the two extrusion blocks 115 are respectively and alternately arranged with the two buckles 114, and the two extrusion blocks 115 are used for limiting and abutting against the side wall of the accommodating groove 121. This structure further secures the mounting of the inner core 11 to the outer core 12.

Referring to fig. 5 and fig. 6, a first embodiment of a connector according to the present invention is shown. The connector of the present embodiment includes the above-described multi-compatible connector core and a plurality of first terminals 21. The plurality of first terminals 21 are detachably arranged in the plurality of positioning holes in a penetrating and positioning mode respectively, one end of each first terminal 21 is a first wiring end 211 used for being connected with an electric wire, a first protruding block 212 is arranged on the side face of each first wiring end 211, and a first extrusion hole 213 is formed in each first protruding block 212 and used for extruding the electric wire into the corresponding first wiring end 211 after a screw penetrates through the first protruding block 212. The shape of the inner avoiding groove matches the shape of the first bump 212, and the first bump 212 is positioned to protrude from the inner avoiding groove.

The connector can adopt a screw fixing mode, can be freely replaced by a terminal fixed by welding and deformation extrusion, and is convenient to use.

With continued reference to fig. 5 and 6, the first terminals 21 are distributed along the circumferential direction of the inner rubber core. The connector further comprises a second terminal 22, the second terminal 22 is detachably arranged in the positioning hole in a penetrating and positioning mode, the plurality of first terminals 21 are arranged around the second terminal 22 in a surrounding mode, one end of the second terminal 22 is a second terminal 221 used for being connected with an electric wire, a second bump 222 is arranged on the side face of the second terminal 221, the second bump 222 protrudes out of the inner rubber core, and a second extrusion hole 223 is formed in the second bump 222 and used for enabling a screw to penetrate through and extrude the electric wire into the second terminal 221. The above structure can increase the number of terminals.

Referring to fig. 7, a second embodiment of the connector provided by the present invention includes the above-mentioned multi-compatible connector rubber core and a third terminal 31, wherein one end of the third terminal 31 is a third terminal for connecting with an electric wire, and the third terminal is provided with an arc-shaped notch 311 for welding.

The connector can adopt a welding fixing mode, can be freely replaced by a terminal fixed by a screw and fixed by deformation extrusion, and is convenient to use.

Referring to fig. 8 and 9, a third embodiment of the connector provided by the present invention includes the multi-compatible connector core and the fourth terminal 41. One end of the fourth terminal 41 is a fourth terminal for connecting with an electric wire, and a through hole 411 for passing out a power supply wire is further provided on a side surface of the fourth terminal.

The connector can adopt a deformation extrusion fixing mode, can be freely replaced by a terminal fixed by screws and welded, and is convenient to use.

The working principle of the multi-compatible connector rubber core of the utility model is as follows:

mode one (screw fixation):

1. inserting a plurality of first terminals 21 and second terminals 22 into the positioning holes of the inner rubber core, and positioning and assembling the inner rubber core and the outer rubber core together;

2. screws are mounted in the first pressing holes 213 of the first bump 212 and the second pressing holes 223 of the second bump 222, and the wires are pressed into the first and

second terminals

21 and 22 by the screws by rotating the screws.

Mode two (welding and fixing):

1. welding the wire to the third terminal 31 through the arc-shaped notch 311;

2. and inserting the plurality of third terminals 31 into the positioning holes of the inner rubber core, and positioning and assembling the inner rubber core and the outer rubber core together.

Mode three (deforming, extruding and fixing):

1. inserting the electric wire into the fourth terminal 41, passing the electric wire out of the through hole 411, winding the electric wire on the fourth terminal 41, and press-deforming the fourth terminal of the fourth terminal 41 so that the electric wire is pressed in the fourth terminal;

2. and inserting the fourth terminals 41 into the positioning holes of the inner rubber core, and positioning and assembling the inner rubber core and the outer rubber core together.

This completes the assembly process of the connector of the present preferred embodiment.

According to the multi-compatible connector rubber core and the connector, the positioning hole 111, the inner avoiding groove 112 and the outer avoiding groove 122 are arranged, so that the terminal 10 fixed by screws, welded and deformed by extrusion can be replaced freely, and the use is convenient.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims

1. A multi-compatible connector rubber core is used for fixing a terminal, one end of which is a wiring end used for being connected with an electric wire, and the multi-compatible connector rubber core comprises:

2. The core rubber of a multi-compatible connector according to claim 1, wherein the terminal is provided with a first clamping step and a second clamping step along the circumferential direction of the terminal, and the first clamping step is close to the terminal relative to the second clamping step; the locating hole is kept away from the inside of the one end of wiring end is provided with convex joint ring along its circumference, the joint ring be used for with the spacing joint of first joint step, the locating hole is kept away from the outside of the one end of wiring end is provided with convex stop collar, the edge of stop collar be used for with the spacing butt of second joint step, just the stop collar is provided with the three recess that runs through along its axial.

3. The glue core of claim 1, wherein a circular stop tab is disposed at an end of the inner glue core adjacent to the terminal, and an edge of the receiving groove abuts against the stop tab in a limiting manner.

4. The glue core of claim 3, wherein the glue core is provided with a snap on a side surface thereof, and the sidewall of the receiving groove is provided with a locking groove for engaging with the snap on the side surface, so as to fix and lock the glue core in the receiving groove.

5. The multi-compatible connector glue cartridge of claim 4, wherein the snaps are arranged in two symmetrical slots, and one of the snaps is smaller in size than the other one of the snaps, and the slots are arranged in two symmetrical slots, the two slots having sizes that match the sizes of the two snaps, respectively.

6. The glue core of claim 5, wherein two extrusion blocks are further disposed on the side surface of the inner glue core, the two extrusion blocks are respectively disposed alternately with the two buckles, and the two extrusion blocks are used for limiting and abutting against the side walls of the accommodating groove.

7. A connector, comprising:

the multicompatible connector glue cartridge of any one of claims 1-6; and the number of the first and second groups,

8. The connector of claim 7, wherein a plurality of the first terminals are distributed along a circumferential direction of the inner rubber core; the connector further comprises a second terminal, the second terminal can be detachably arranged in the positioning hole in a penetrating and positioning mode, the first terminal is arranged around the second terminal in a surrounding mode, one end of the second terminal is a second wiring end used for being connected with an electric wire, a second protruding block is arranged on the side face of the second wiring end and protrudes out of the inner rubber core, and a second extrusion hole is formed in the second protruding block and used for extruding the electric wire into the second wiring end after a screw penetrates through the second extrusion hole.

9. A connector, comprising:

10. A connector, comprising: