CN219226800U

CN219226800U - Heat-shrinkable male and female terminal

Info

Publication number: CN219226800U
Application number: CN202320553705.0U
Authority: CN
Inventors: 韩晓明; 浦容瑄; 马腾
Original assignee: Shanghai Hanpu New Material Technology Co ltd
Current assignee: Shanghai Hanpu New Material Technology Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-06-20
Anticipated expiration: 2033-03-20

Abstract

The application relates to the technical field of wiring terminals and provides a heat-shrinkable male and female terminal, which comprises a male terminal and a female terminal, wherein the end part of the male terminal is connected with a male connecting piece, and the female terminal is connected with a female connecting piece; the male connecting piece is provided with a first sleeving part and a connecting part, the first sleeving part is used for splicing a power supply line, the connecting part is connected with the male terminal, and an annular groove is arranged between the connecting part and the first sleeving part; the female connecting piece is provided with a second sleeving part, one end of the second sleeving part is connected with the female terminal, and the other end of the second sleeving part is provided with an abutting surface; when the second sleeving part is subjected to heat shrinkage, the abutting surface abuts against the groove wall of the annular groove. The application has the effect of reducing the risk of the male and female terminals being separated from each other when pulled.

Description

Heat-shrinkable male and female terminal

Technical Field

The application relates to the field of binding post technology, in particular to a heat-shrinkable male and female terminal.

Background

Terminals are an accessory product for making electrical connections, and industry has classified terminals into the category of connectors. Existing terminals generally include PCB board terminals, hardware terminals, nut terminals, spring terminals, heat shrink terminals, and the like.

The heat-shrinkable terminal comprises a heat-shrinkable male and female terminal, and the heat-shrinkable tube is shrunk at high temperature in the use process, so that the heat-shrinkable tube can tightly wrap the joint of the male and female terminals after shrinkage, and the effects of fixation and water resistance are achieved.

However, in the practical use process, the male and female terminals are at risk of being separated from each other due to pulling after connection.

Disclosure of Invention

In order to reduce the risk of the male and female terminals being separated from each other when pulled, the present application provides a heat-shrinkable male and female terminal.

The application provides a public female terminal of pyrocondensation adopts following technical scheme:

the heat-shrinkable male and female terminal comprises a male terminal and a female terminal, wherein the end part of the male terminal is connected with a male connecting piece, and the female terminal is connected with a female connecting piece; the male connecting piece is provided with a first sleeving part and a connecting part, the first sleeving part is used for splicing a power supply line, the connecting part is connected with the male terminal, and an annular groove is arranged between the connecting part and the first sleeving part; the female connecting piece is provided with a second sleeving part, one end of the second sleeving part is connected with the female terminal, and the other end of the second sleeving part is provided with an abutting surface; when the second sleeving part is subjected to heat shrinkage, the abutting surface abuts against the groove wall of the annular groove.

Through adopting above-mentioned technical scheme, when connecting public female terminal, with connecting portion plug-in second cup joint portion, the high temperature heating second cup joints portion for second cup joints portion shrink, and the butt face butt in the cell wall of ring channel behind the second cup joints portion shrink, thereby utilizes the butt of butt face and the cell wall of ring channel to reduce the risk of separation when public female terminal pulls each other.

Optionally, an adsorption groove is formed in the inner wall of the second sleeving part.

Through adopting above-mentioned technical scheme, when the shrink of second cup joint portion, the air in the compression adsorption tank for form the negative pressure cavity between the outer wall of connecting portion and the inner wall of adsorption tank when the inner wall butt of second cup joint portion, thereby further reduce the risk that male and female terminal is connected back and is broken away from each other.

Optionally, the adsorption groove is arranged along the circumference of the second sleeving part in a surrounding way, and two ends of the adsorption groove are mutually communicated.

Through adopting above-mentioned technical scheme, during the heating, the second cup joints the portion and contracts gradually to the other end from being close to female terminal along its length direction, because the adsorption tank is around setting up and both ends intercommunication each other along the circumference of second cup joints the portion, the air in the adsorption tank is pressed out at the uniform velocity and uniformly to strengthen the effect that the negative pressure cavity formed.

Optionally, the adsorption groove is provided with a plurality of, and is a plurality of the adsorption groove is followed the length direction extension setting of second cup joint portion.

Through adopting above-mentioned technical scheme, utilize a plurality of adsorption tanks to form a plurality of negative pressure cavitys when the shrink of second cup joint portion, further strengthen the joint strength between the public female terminal, reduce the risk that both break away from each other.

Optionally, the width of the adsorption groove gradually decreases in a direction from one end of the second sleeve connection portion near the female terminal to the other end.

Through adopting above-mentioned technical scheme, along with the increase of live time, the second cup joints the portion and has the risk of raising up in tip border position department behind the pyrocondensation, the width of adsorption groove reduces the setting gradually for even the tip border of second cup joints the portion of portion takes place to raise up, the second cup joints the portion of breaking away from each other between portion and the connecting portion also can not too much, utilizes the second to cup joint the wider adsorption groove of portion other end simultaneously and makes the second cup joint the portion and have great joint strength between the connecting portion, thereby further reduces the second and cup joints the portion and break away from each other risk of connecting portion.

Optionally, the second sleeve joint portion is in the butt joint face department integrated into one piece has the butt ring, the butt ring is followed the circumference of butt face encircles the setting, the butt ring is used for supplying the cell wall butt of ring channel.

Through adopting above-mentioned technical scheme, form thicker arch after the butt ring pyrocondensation to reduce the risk that the second cup joints portion edge perk.

Optionally, the annular groove is used for supplying the spacing groove has been seted up to the cell wall of butt ring butt, the spacing groove is followed the circumference of annular groove encircles the setting, the spacing groove is used for supplying the butt ring grafting.

Through adopting above-mentioned technical scheme, utilize spacing and joint between butt ring and the spacing groove to reduce the inside risk of external steam entering second portion of cup jointing.

Optionally, the female connecting piece has a third portion of cup jointing, the first portion of cup jointing with the inner wall of third portion of cup jointing is all integrated into one piece has the screw thread protruding.

By adopting the technical scheme, on one hand, in the shrinkage process of the first sleeving part and the third sleeving part, air between the threads enables the connection part of the male terminal and the female terminal to form negative pressure, so that the risk of falling off of the wire from the male terminal and the female terminal is reduced; on the other hand, the multi-layer seal is formed through the butt joint of the thread protrusions, so that the risk that external water vapor enters the first sleeving part or the second sleeving part is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the limit is formed by the abutting between the abutting surface of the second sleeve joint part and the groove wall of the annular groove, so that the risk of falling off after the male terminal and the female terminal are connected is reduced;

2. by arranging the adsorption groove in the second sleeving part, after the second sleeving part is subjected to thermal shrinkage, a negative pressure cavity is formed between the groove wall of the adsorption groove and the peripheral side of the connecting part, so that the risk of mutual separation after the male terminal and the female terminal are connected is further reduced;

3. through the inner wall integrated into one piece screw thread arch at first portion of cup jointing and third portion of cup jointing, when strengthening the joint strength of public female terminal and electric wire, reduce the risk that external steam got into in first portion of cup jointing and the third portion of cup jointing.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic structural view of the male and female terminals after being connected to each other.

Reference numerals illustrate: 1. a male terminal; 2. a female terminal; 3. a male connector; 31. a first socket part; 311. a threaded boss; 32. a connection part; 33. an annular groove; 331. a limit groove; 4. a female connector; 41. a second socket joint part; 411. an abutment surface; 412. an adsorption tank; 413. an abutment ring; 42. and a third sleeving part.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a heat-shrinkable male and female terminal 2. Referring to fig. 1, a heat-shrinkable male and female terminal 2 includes a male terminal 1 and a female terminal 2 the male terminal 1 having a male connector 3 and the female terminal 2 having a female connector 4.

Referring to fig. 1 and 2, the male connector 3 has a first socket portion 31 and a connection portion 32, the first socket portion 31 is used for plugging a power supply line, and a threaded protrusion 311 is integrally formed on an inner wall of the first socket portion 31 to strengthen the connection strength between the first socket portion 31 and the power supply line.

Referring to fig. 1, an annular groove 33 is provided between the connection portion 32 and the first socket portion 31, and the annular groove 33 is circumferentially provided for the connection member.

Referring to fig. 1 and 2, the female connector 4 has a second socket portion 41 and a third socket portion 42, and the female terminal 2 is fixedly connected between the second socket portion 41 and the third socket portion 42. The third sleeving part 42 is used for plugging a power supply line, and the inner wall of the third sleeving part 42 is integrally formed with a threaded protrusion 311 so as to strengthen the connection strength of the female terminal 2 and the power supply line.

Referring to fig. 1 and 2, the inner wall of the second socket portion 41 is used for the connection portion 32 to abut, the inner diameter of the second socket portion 41 is reduced from one end close to the female terminal 2 to the other end, so that one end of the second socket portion 41 far away from the female terminal 2 is provided with an abutting surface 411, the abutting surface 411 abuts against the groove wall of the annular groove 33 after the second socket portion 41 is heat shrunk, and therefore limiting is formed after the male terminal 2 and the female terminal 2 are connected with each other by utilizing the abutting between the abutting piece and the groove wall of the annular groove 33, and the risk that the male terminal 2 and the female terminal 2 are separated from each other is reduced.

Referring to fig. 1 and 2, the inner wall of the second socket portion 41 is provided with a plurality of adsorption grooves 412, the adsorption grooves 412 are circumferentially arranged along the second socket portion 41, and the plurality of adsorption grooves 412 are arranged at intervals along the length direction of the second socket portion 41. The width of the adsorption groove 412 gradually decreases in the direction from one end toward the other end of the second socket portion 41 near the female terminal 2.

Referring to fig. 1 and 2, an end of the second socket portion 41 remote from the female terminal 2 is integrally formed with an abutment ring 413, the abutment ring 413 is located on the abutment surface 411, and the abutment ring 413 is circumferentially disposed along an edge of the abutment surface 411. The groove wall that the ring channel 33 is close to female terminal 2 has offered spacing groove 331, and the circumference along ring channel 33 extends to set up spacing groove 331, and ring channel 33 is used for supplying the butt joint ring 413 joint after the pyrocondensation to reduce the inside risk of external steam entering second ferrule.

The implementation principle of the heat-shrinkable male and female terminal 2 in the embodiment of the application is as follows: when the male and female terminals 2 are connected, the connecting part 32 is inserted into the second sleeving part 41, then the second sleeving part 41 is heated, the second sleeving part 41 is contracted, and meanwhile, the air in the adsorption groove 412 is compressed, so that a negative pressure cavity is formed between the groove wall of the adsorption groove 412 and the peripheral side of the connecting part 32, and the second sleeving part 41 is abutted against the peripheral side of the connecting part 32 under the action of external air pressure; after the thermal shrinkage of the second sleeve joint part 41 is completed, the abutting surface 411 abuts against the groove wall of the annular groove 33 to form a limit, so that the risk that the male terminal 2 and the female terminal 2 are separated from each other is further reduced, meanwhile, the abutting ring 413 is clamped in the limit groove 331, the risk that the edge of the second sleeve joint part 41 is tilted is reduced, and meanwhile, the risk that external water vapor enters the second sleeve joint part 41 is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A male female terminal of pyrocondensation, its characterized in that: the electric connector comprises a male terminal (1) and a female terminal (2), wherein the end part of the male terminal (1) is connected with a male connecting piece (3), and the female terminal (2) is connected with a female connecting piece (4); the male connecting piece (3) is provided with a first sleeving part (31) and a connecting part (32), the first sleeving part (31) is used for plugging a power supply line, the connecting part (32) is connected with the male terminal (1), and an annular groove (33) is arranged between the connecting part (32) and the first sleeving part (31); the female connecting piece (4) is provided with a second sleeving part (41), one end of the second sleeving part (41) is connected with the female terminal (2), and the other end of the second sleeving part is provided with an abutting surface (411); after the second sleeve joint part (41) is subjected to heat shrinkage, the abutting surface (411) abuts against the groove wall of the annular groove (33).

2. A heat-shrinkable male and female terminal as defined in claim 1, wherein: an adsorption groove (412) is formed in the inner wall of the second sleeving part (41).

3. A heat-shrinkable male and female terminal as defined in claim 2, wherein: the adsorption groove (412) is circumferentially arranged along the second sleeving part (41), and two ends of the adsorption groove (412) are mutually communicated.

4. A heat-shrinkable male and female terminal according to claim 3, wherein: the adsorption grooves (412) are formed in a plurality, and the adsorption grooves (412) extend in the length direction of the second sleeve joint part (41).

5. The heat-shrinkable male and female terminal according to claim 4, wherein: the width of the adsorption groove (412) gradually decreases in the direction from one end to the other end of the second sleeve joint part (41) close to the female terminal (2).

6. A heat-shrinkable male and female terminal as defined in claim 1, wherein: the second sleeve joint part (41) is integrally formed with an abutting ring (413) at the abutting surface (411), the abutting ring (413) is circumferentially arranged along the edge direction of the abutting surface (411), and the abutting ring (413) is used for abutting the groove wall of the annular groove (33).

7. The heat-shrinkable male and female terminal as defined in claim 6, wherein: the annular groove (33) is used for enabling the groove wall of the abutting ring (413) to be abutted to be provided with a limiting groove (331), the limiting groove (331) is circumferentially arranged along the annular groove (33), and the limiting groove (331) is used for enabling the abutting ring (413) to be inserted.

8. A heat-shrinkable male and female terminal as defined in claim 1, wherein: the female connecting piece (4) is provided with a third sleeving part (42), and the first sleeving part (31) and the inner wall of the third sleeving part (42) are integrally formed with threaded protrusions (311).