CN218648146U

CN218648146U - Electric connector

Info

Publication number: CN218648146U
Application number: CN202222419818.XU
Authority: CN
Inventors: 邬传斌
Original assignee: Wuhan Ruinuo Connection Technology Co ltd
Current assignee: Wuhan Ruinuo Connection Technology Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-03-17
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses an electric connector, which comprises a connector socket and a connector plug; the connector socket comprises a vertically arranged conductive core column and a socket outer sleeve sleeved outside the conductive core column, and a threaded hole is concavely formed in the middle of one end of the conductive core column; the connector plug comprises a plug outer sleeve and a plug connecting lug, wherein the lower end of one end of the plug outer sleeve is provided with a plugging port for inserting the upper end of the connector socket, the upper end of the plug outer sleeve is positioned above the plugging port and is provided with a through hole aligned with the middle part of the plugging port, the end part of the other end of the plug outer sleeve is provided with a connecting lug inlet communicated with the inside of the plugging port, and one end of the plug connecting lug is provided with a connecting hole which is communicated up and down; the one end that the plug engaging lug was equipped with the connecting hole inserts to the plug overcoat through the engaging lug entry in, and the upper end of connector socket inserts to the interface, and through-hole, connecting hole and screw hole align to insert a bolt from top to bottom come with screw hole threaded connection, its connection structure is simple, and the fastness after connecting is good, difficult pine takes off.

Description

Electric connector

Technical Field

The utility model belongs to the electric connector field.

Background

At present, an electrical connector is usually formed by mutually inserting an electrical connector plug and an electrical connector socket to realize electrical connection, but the electrical connector plug and the electrical connector socket are usually easy to fall off, and although many electrical connectors are designed to be prevented from falling off at present, for example, the electrical connector plug and the electrical connector socket disclosed in CN216698943U connector plug and connector can be locked by a locking handle after being inserted, so that the electrical connector plug and the electrical connector socket are prevented from being separated, but the electrical connector plug and the electrical connector socket can still be conveniently separated under the action of external force.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide an electrical connector that has a simple structure and can realize stable connection between an electrical connector plug and an electrical connector socket.

In order to achieve the above purpose, the technical solution of the present invention is as follows: an electrical connector comprising a connector receptacle and a connector plug;

the connector socket comprises a vertically arranged conductive core column and a socket jacket sleeved on the outer side of the conductive core column, two ends of the conductive core column protrude out of the socket jacket, a threaded hole is concavely formed in the middle of one end of the conductive core column, and the other end of the conductive core column is used for being connected with and electrically connected with one end of a first cable;

the connector plug comprises a plug outer sleeve and a plug connecting lug, the plug outer sleeve is horizontally arranged, the lower end of one end of the plug outer sleeve is provided with a plugging port for inserting the upper end of the connector socket, the upper end of the plug outer sleeve is positioned above the plugging port and is provided with a through hole aligned with the middle part of the plugging port, the end part of the other end of the plug outer sleeve is provided with a connecting lug inlet communicated with the inside of the plugging port, one end of the plug connecting lug is provided with a connecting hole which is vertically communicated, and the other end of the plug connecting lug is connected with and electrically connected with one end of a second cable;

the plug connecting lug is provided with one end of a connecting hole, the end is inserted into the plug outer sleeve through the connecting lug inlet, the upper end of the connector socket is inserted into the plug socket, the through hole, the connecting hole and the threaded hole are aligned, and a bolt is inserted from top to bottom and is in threaded connection with the threaded hole so as to connect and connect the plug outer sleeve, the plug connecting lug and the connector socket.

The beneficial effects of the above technical scheme are that: so make whole electric connector constitute four bibliographic categories by connector socket, plug overcoat, engaging lug and bolt and divide and form, insert connector socket and engaging lug respectively through the interface that corresponds and engaging lug entry behind the plug overcoat, align through-hole, connecting hole and screw hole, and insert the bolt, by the screw thread end of bolt with screw hole threaded connection, and the head of bolt is pressed on the plug overcoat, just so with the firm connection of connector socket, engaging lug and plug overcoat, its connection structure is simple, and the fastness after connecting is good, difficult pine takes off.

In the technical scheme, the protruding annular mount pad that is equipped with in middle part of socket cover, the concave first annular that is equipped with of level on the lateral wall of socket cover upper end, first annular endotheca is equipped with first sealing washer, the outward flange salient of first sealing washer is in outside the first annular, interface edge is equipped with the flanging downwards, the upper end of connector socket inserts extremely in the flanging, just the outward flange of first sealing washer with the inside wall of flanging offsets, it be used for with socket cover with the annular gap between the flanging carries out sealing contact.

The beneficial effects of the above technical scheme are that: such that the connector socket is mountable at the mounting hole of the carrier via the mounting socket.

In the technical scheme, the lower end of the mounting seat is positioned on the periphery of the socket outer sleeve, an annular third ring groove is formed in the periphery of the socket outer sleeve in an upwards concave mode, and a fourth sealing ring is arranged in the third ring groove in an inner ring mode.

The beneficial effects of the above technical scheme are that: so make between mount pad and the carrier can carry out sealing treatment to the mounting hole, carry out water repellent promptly to mounting hole department.

In the technical scheme, a second sealing ring is annularly arranged on the inner side of the connecting lug inlet, an inner hole of the second sealing ring is used for the plug connecting lug to penetrate through, and is used for sealing an annular gap between the second cable and the connecting lug inlet.

The beneficial effects of the above technical scheme are that: so can carry out water-proof treatment between second cable and the engaging lug entry through second sealing washer.

In the above technical scheme, the connector plug further comprises a cap, wherein the cap is detachably mounted at the upper end of the connector plug and is used for sealing the through hole.

The beneficial effects of the above technical scheme are that: so the through hole can be covered by the cap and is subjected to waterproof treatment.

In the technical scheme, the cover cap is a groove-shaped cover, the notch of the cover cap faces downwards, the upper end of the plug outer sleeve is provided with a pipe column in an upward protruding mode, the through hole is located in the middle of the lower end of the pipe column, and the cover cap is used for sealing the upper end of the pipe column.

The beneficial effects of the above technical scheme are that: so make the simple structure of block, and simple to operate.

In the technical scheme, the outer side wall of the tubular column is horizontally provided with a second annular groove, a third sealing ring is sleeved in the second annular groove, and the outer edge of the third sealing ring is in sealing contact with the inner wall of the cap.

The beneficial effects of the above technical scheme are that: therefore, the sealing performance between the pipe column and the cover cap is better.

In the technical scheme, the cap is rotatably installed at the upper end of the plug outer sleeve, the locking female part is arranged at the edge of the through hole at the upper end of the plug outer sleeve, the locking male part matched with the locking female part is arranged on the outer side wall of the cap, the cap can rotate to open or close the through hole, and the locking male part and the locking female part are locked when the cap rotates to be closed under the action of external force, or the cap unlocks the locking male part and the locking female part and can rotate to be opened.

The beneficial effects of the above technical scheme are that: so make the installation of block more convenient, and be difficult for droing.

In the technical scheme, the locking male piece is a vertically arranged elastic piece, one end of the elastic piece is connected with the outer side wall of the cap, a clamping groove is concavely formed in one side, deviating from the cap, of the other end of the elastic piece, the locking female piece is a convex tooth which is convexly arranged at the upper end of the plug outer sleeve and matched with the clamping groove, and when the cap rotates to be closed, the convex tooth extends into the clamping groove to limit the cap to rotate relative to the plug outer sleeve.

The beneficial effects of the above technical scheme are that: therefore, the locking between the locking female part and the locking male part is more convenient.

In the technical scheme, the section of the inner groove of the cover cap is gradually reduced from the side of the groove opening to the bottom side of the groove, and the section of the outer edge of the pipe column is gradually increased from top to bottom.

The beneficial effects of the above technical scheme are that: the structure is simple, and the cap can be more conveniently rotated to be opened or closed.

Drawings

Fig. 1 is an exploded view of an electrical connector according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of the plug housing according to embodiment 1 of the present invention;

fig. 3 is a sectional view of the electric connector according to embodiment 1 of the present invention after assembly;

fig. 4 is an exploded view of an electrical connector according to embodiment 2 of the present invention;

fig. 5 is a schematic structural view of the plug outer sleeve when the cap is opened according to embodiment 2 of the present invention;

fig. 6 is a cross-sectional view of the electrical connector according to embodiment 2 of the present invention after assembly;

fig. 7 is a schematic view of the assembly of the socket and the carrier of the electrical connector according to embodiment 2 of the present invention.

In the figure: the connector comprises a connector socket 1, a connector plug 2, a conductive core column 11, a threaded hole 111, a socket jacket 12, a mounting seat 121, a third ring groove 1211, a fourth sealing ring 1212, a first ring groove 122, a first sealing ring 123, a plug jacket 21, a plug socket 211, a flanging 2111, a through hole 212, a tubular column 2121, a second ring groove 2122, a third sealing ring 2123, a connecting lug inlet 213, a second sealing ring 2131, a locking female part 214, a plug connecting lug 22, a connecting hole 221, a cap 23, a locking male part 231, a clamping groove 2311, a carrier 3, a mounting hole 31, a second cable 4 and a bolt 5.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

Example 1

As shown in fig. 1 to 3, the present embodiment provides an electrical connector including a connector receptacle 1 and a connector header 2;

the connector socket 1 comprises a vertically arranged conductive core column 11 and a socket outer sleeve 12 sleeved outside the conductive core column 11, wherein two ends of the conductive core column 11 protrude out of the socket outer sleeve 12, a threaded hole 111 is concavely formed in the middle of one end of the conductive core column 11, and the other end of the conductive core column 11 is used for being connected and electrically connected with one end of a first cable;

the connector plug 2 comprises a plug outer sleeve 21 and a plug connecting lug 22, the plug outer sleeve 21 is horizontally arranged, the lower end of one end of the plug outer sleeve 21 is provided with a plugging port 211 for inserting the upper end of the connector socket 1, the upper end of the plug outer sleeve 21 is positioned above the plugging port 211 and is provided with a through hole 212 aligned with the middle part of the plugging port 211, the end part of the other end of the plug outer sleeve 21 is provided with a connecting lug inlet 213 communicated with the inside of the plugging port 211, one end of the plug connecting lug 22 is provided with a connecting hole 221 communicated up and down, and the other end of the plug connecting lug 22 is connected and electrically connected with one end of the second cable 4;

the plug connecting lug 22 is provided with one end of a connecting hole 221, the end is inserted into the plug outer sleeve 21 through the connecting lug inlet 213, the upper end of the connector socket 1 is inserted into the inserting port 211, the through hole 212, the connecting hole 221 and the threaded hole 111 are aligned, a bolt is inserted from top to bottom and is in threaded connection with the threaded hole 111 so as to connect and connect the plug outer sleeve 21, the plug connecting lug 22 and the connector socket 1, so that the whole electric connector is composed of four parts, namely the connector socket, the plug outer sleeve, the connecting lug and the bolt, the connector socket and the connecting lug are respectively inserted into the plug outer sleeve through the corresponding inserting port and the connecting lug inlet, the through hole 212, the connecting hole 221 and the threaded hole 111 are aligned, the bolt is inserted, the threaded end of the bolt is in threaded connection with the threaded hole, and the head of the bolt is pressed on the plug outer sleeve, so that the connector socket, the connecting lug and the plug outer sleeve are stably connected (of course, the head of the bolt can also directly enter the plug outer sleeve into the plug outer sleeve through the through hole, and the connecting lug is not easy to loosen, and the connection structure is good.

In the above technical solution, the middle of the socket housing 12 is convexly provided with an annular mounting seat 121.

The outer edge of the mounting seat may be square, and four corners of the mounting seat are respectively provided with holes penetrating up and down, so that the mounting plate can be mounted on the carrier 3 through bolts and the mounting holes 31 on the carrier are completely covered by the mounting plate.

Further preferably, a flanging 2111 is arranged at the edge of the socket 211 downwards, the upper end of the connector socket 1 is inserted into the flanging 2111, and the upper end of the connector socket is inserted into the flanging, so that the space allowance of the connector socket in the flanging during shaking can be limited by the flanging (when the upper end of the connector socket is inserted into the flanging, the upper end of the mounting seat is abutted against the lower end of the flanging, the upper end of the socket jacket protrudes out of the upper end of the flanging, further preferably, the upper end of the conductive core column protrudes out of the upper end of the socket jacket).

The socket outer sleeve (comprising the mounting seat) and the plug outer sleeve are both insulating material components (insulating plastic parts).

The conductive core column and the connecting lug are stainless steel components, aluminum components or copper components, and the bolt is a stainless steel component.

The inner hole of the flanging can be regarded as a plug-in port, the inner hole of the through hole can be aligned with the inner hole of the lower end of the pipe column, and the inner hole of the pipe column is the through hole.

Example 2

As shown in fig. 4-7, this embodiment provides an electrical connector having waterproof and moistureproof properties based on embodiment 1, and the difference from embodiment 1 is that a first ring groove 122 is horizontally and concavely formed on the outer side wall of the upper end of the socket housing 12, a first sealing ring 123 is sleeved in the first ring groove 122, the outer edge of the first sealing ring 123 protrudes out of the first ring groove 122, and the outer edge of the first sealing ring 123 abuts against the inner side wall of the flanging 2111, so as to make a sealing contact with the annular gap between the socket housing 12 and the flanging 2111, so that the connector socket can be mounted at the mounting hole of the carrier through the mounting seat

In the above technical solution, the lower end of the mounting seat 121 is located at the periphery of the socket outer sleeve 12, and an annular third ring groove 1211 is concavely formed in the periphery of the socket outer sleeve 12, and a fourth sealing ring 1212 is annularly arranged in the third ring groove 1211, so that the mounting hole can be sealed between the mounting seat and the carrier, that is, the mounting hole is subjected to waterproof treatment.

In the above technical solution, a second sealing ring 2131 is annularly arranged on the inner side of the connecting lug inlet 213 (the second sealing ring can be directly replaced by an annular wire sealing body), an inner hole of the second sealing ring 2131 is used for the plug connecting lug 22 to pass through, and is used for sealing an annular gap between the second cable 4 and the connecting lug inlet 213, so that the second cable and the connecting lug inlet can be subjected to waterproof treatment through the second sealing ring.

In the above technical solution, the connector plug 2 further includes a cap 23, the cap 23 is detachably mounted at the upper end of the connector plug 2, and is used for sealing the through hole 212, so that the through hole can be covered by the cap and subjected to waterproof treatment.

In the above technical solution, the cap 23 is a groove-shaped cap, the notch of the cap faces downward, the upper end of the plug outer sleeve 21 is provided with the pipe column 2121 in an upward protruding manner, the through hole 212 is located in the middle of the lower end of the pipe column 2121, and the cap 23 is used for sealing the upper end of the pipe column 2121, so that the cap has a simple structure and is convenient to install.

In the above technical solution, a second annular groove 2122 is horizontally and annularly arranged on the outer side wall of the pipe column 2121, a third sealing ring 2123 is sleeved in the second annular groove 2122, and the outer edge of the third sealing ring 2123 is in sealing contact with the inner wall of the cap 23, so that the sealing performance between the pipe column and the cap is better.

At this time, the cap may be directly inserted into the tubular column, and the through hole from the tubular column is plugged (at this time, the notch of the cap is matched with the outer wall of the tubular column, and the two are connected in an insertion manner), in addition, the inner wall of the cap may also be provided with an internal thread, and the outer wall of the tubular column may be provided with an internal thread (at this time, the cap is in a circular groove shape, and the cross-section of the tubular column is circular), at this time, the cap may be directly screwed with the tubular column (at this time, the second annular groove 2122 and the third seal ring 2123 may not be provided, and a rubber pad is provided at the groove bottom of the cap, so that the rubber pad is compressed to perform sealing treatment when the upper end of the tubular column abuts against the groove bottom of the cap), which belongs to a conventional technical means of a person skilled in the art, and no further description is given here.

Further preferably, in the above technical solution, the cap 23 is rotatably mounted on the upper end of the plug outer sleeve 21, a locking female member 214 is disposed at an edge of the through hole 212 at the upper end of the plug outer sleeve 21, a locking male member 231 matched with the locking female member 214 is disposed on an outer side wall of the cap 23, the cap 23 can rotate to open or close the through hole 212, and the locking male member 231 and the locking female member 214 are locked when the cap 23 rotates to close under the action of external force, or the cap 23 unlocks the locking male member 231 and the locking female member 214 and can rotate the cap 23 to open under the action of external force, so that the cap is more convenient to mount and is not easy to fall off.

In the above technical solution, the locking male element 231 is a vertically arranged elastic sheet, one end of the elastic sheet is connected with the outer side wall of the cap 23, one side of the other end of the elastic sheet, which is away from the cap 23, is concavely provided with a clamping groove 2311, the locking female element 214 is a convex tooth which is convexly arranged at the upper end of the plug outer sleeve 21 and is matched with the clamping groove 2311, when the cap 23 rotates to be closed, the convex tooth extends into the clamping groove 2311 to limit the cap 23 to rotate relative to the plug outer sleeve 21, so that the locking between the locking female element and the locking male element is more convenient.

In the above technical scheme, the cross section of the inner groove of the cap 23 is gradually reduced from the side of the groove opening to the bottom side of the groove, the cross section of the outer edge of the tubular column 2121 is gradually increased from top to bottom, the structure is simple, and the cap can be rotated to be opened or closed more conveniently.

Preferably, the cap rotation point (i.e. the rotational connection between the cap and the plug outer sleeve) and the male locking piece are distributed at the connection between the cap, the female locking piece is also integrally formed with the plug outer sleeve, and preferably, the lower end of the elastic piece is fixedly connected with the edge of the cap notch or integrally formed with the edge of the cap notch (when the cap needs to be opened, the upper end of the elastic piece only needs to be pulled by external force to be far away from the female locking piece, and the cap is synchronously rotated upwards to be opened).

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. An electrical connector, characterized by comprising a connector socket (1) and a connector plug (2);

the connector socket (1) comprises a vertically arranged conductive core column (11) and a socket outer sleeve (12) sleeved outside the conductive core column (11), two ends of the conductive core column (11) protrude out of the socket outer sleeve (12), a threaded hole (111) is concavely formed in the middle of one end of the conductive core column (11), and the other end of the conductive core column (11) is used for being connected with and electrically connected with one end of a first cable;

the connector plug (2) comprises a plug outer sleeve (21) and a plug connecting lug (22), the plug outer sleeve (21) is horizontally arranged, a plug interface (211) for inserting the upper end of the connector socket (1) is arranged at the lower end of one end of the plug outer sleeve (21), a through hole (212) aligned with the middle of the plug interface (211) is formed in the position, above the plug interface (211), of the upper end of the plug outer sleeve (21), a connecting lug inlet (213) communicated with the inside of the plug interface (211) is formed in the end portion of the other end of the plug outer sleeve (21), a connecting hole (221) penetrating through the plug connecting lug (22) up and down is formed in one end of the plug connecting lug (22), and the other end of the plug connecting lug (22) is connected with one end of a second cable (4) and is electrically connected;

one end, provided with a connecting hole (221), of the plug connecting lug (22) is inserted into the plug outer sleeve (21) through the connecting lug inlet (213), the upper end of the connector socket (1) is inserted into the plug port (211), the through hole (212), the connecting hole (221) and the threaded hole are aligned, and a bolt (5) is inserted from top to bottom and is in threaded connection with the threaded hole (111) so as to connect and connect the plug outer sleeve (21), the plug connecting lug (22) and the connector socket (1).

2. The electrical connector according to claim 1, wherein an annular mounting seat (121) is convexly arranged in the middle of the socket outer sleeve (12), a first annular groove (122) is horizontally and concavely arranged on the outer side wall of the upper end of the socket outer sleeve (12), a first sealing ring (123) is sleeved in the first annular groove (122), the outer edge of the first sealing ring (123) protrudes out of the first annular groove (122), a flanging (2111) is downwards arranged at the edge of the insertion port (211), the upper end of the connector socket (1) is inserted into the flanging (2111), and the outer edge of the first sealing ring (123) abuts against the inner side wall of the flanging (2111) and is used for sealing and contacting an annular gap between the socket outer sleeve (12) and the flanging (2111).

3. The electrical connector of claim 2, wherein the lower end of the mounting seat (121) is recessed upward from the outer periphery of the socket housing (12) to form a third annular groove (1211), and the third annular groove (1211) is internally provided with a fourth sealing ring (1212).

4. The electrical connector according to claim 1, wherein the inner side of the lug entrance (213) is surrounded by a second sealing ring (2131), and the inner hole of the second sealing ring (2131) is penetrated by the plug lug (22) for sealing the annular gap between the second cable (4) and the lug entrance (213).

5. The electrical connector according to claim 1, wherein the connector plug (2) further comprises a cap (23), the cap (23) being detachably mounted on an upper end of the connector plug (2) for sealing the through hole (212).

6. The electrical connector of claim 5, wherein the cap (23) is a trough-shaped cap with a downward facing notch, the upper end of the plug housing (21) is provided with a stem (2121) protruding upward, the through hole (212) is located at the middle of the lower end of the stem (2121), and the cap (23) is used for sealing the upper end of the stem (2121).

7. The electrical connector of claim 6, wherein a second groove (2122) is horizontally formed on the outer side wall of the tubular column (2121), a third sealing ring (2123) is sleeved in the second groove (2122), and the outer edge of the third sealing ring (2123) is in sealing contact with the inner wall of the cap (23).

8. The electrical connector according to claim 7, wherein the cap (23) is rotatably mounted on the upper end of the plug housing (21), the upper end of the plug housing (21) is provided with a locking female member (214) at the edge of the through hole (212), a locking male member (231) which is matched with the locking female member (214) is provided on the outer side wall of the cap (23), the cap (23) is rotatable to open or close the through hole (212), and the locking male member (231) and the locking female member (214) are locked when the cap (23) is rotated to be closed under the external force, or the cap (23) unlocks the locking male member (231) and the locking female member (214) under the external force and rotates the cap (23) to be opened.

9. The electrical connector of claim 8, wherein the locking male member (231) is a vertically arranged spring plate, one end of the spring plate is connected with the outer side wall of the cap (23), a slot (2311) is concavely arranged on one side of the other end of the spring plate, which is far away from the cap (23), the locking female member (214) is a convex tooth which is convexly arranged at the upper end of the plug outer sleeve (21) and is matched with the slot (2311), and when the cap (23) rotates to be closed, the convex tooth extends into the slot (2311) to limit the cap (23) to rotate relative to the plug outer sleeve (21).

10. The electrical connector of any one of claims 6 to 9, wherein the cross-section of the inner groove of the cap (23) is gradually reduced from the groove side thereof to the groove bottom side thereof, and the cross-section of the outer edge of the stem (2121) is gradually increased from the top to the bottom.