CN211629377U

CN211629377U - Male connector, female connector and connector

Info

Publication number: CN211629377U
Application number: CN202020058956.8U
Authority: CN
Inventors: 黄建平; 杨新国
Original assignee: Shenzhen Electric Connector Technology Co Ltd
Current assignee: Shenzhen Electric Connector Technology Co Ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-02
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a male joint, female joint and connector, including male joint and female joint, the front end of male end casing with the front end of female end casing is pegged graft, the male end contact with female end contact contacts, the male end casing is equipped with the elasticity hasp, the elasticity hasp includes elasticity portion and knot portion, elasticity portion includes front end and rear end, it sets up to detain the portion on the rear end of elasticity portion, the front end of female end casing be equipped with detain a complex catching groove. Compared with the prior art, the plugging and unplugging are convenient.

Description

Male connector, female connector and connector

Technical Field

The utility model relates to an electricity connects technical field, especially relates to a male joint, female joint and connector.

Background

The existing connector comprises a male connector and a female connector, and the matching sealing between the male connector and the female connector is realized by the interference of the male connector and the female connector in a butt-inserting way.

The disadvantages are as follows: due to the tight fit of the two, the insertion and the extraction of the plug-in plug in the interference mode are difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a convenient male joint of equipment, simultaneously the utility model discloses still provide one kind with this male joint cooperation and equipment convenient female joint, the utility model discloses still provide one kind including this male joint and this female joint and the convenient connector of plug.

In order to realize the purpose, the utility model discloses the technical scheme who takes is:

a male connector, comprising:

the rear end face of the male end shell is provided with an opening communicated with an inner hole of the male end shell, and the front end face of the male end shell is provided with a first through hole communicated with the inner hole of the male end shell;

the male end insulator is fixed in an inner hole of the male end shell and provided with a positioning groove;

the male end contact piece is matched with the first through hole and matched with the positioning groove;

a male end wire, a conductive core of the male end wire being in contact with the male end contact;

and the male end rear cover is fixed with the rear end of the male end shell and the front end of the male end wire together through insert molding.

Preferably, the wire rod connector further comprises a male end outer cover, the male end rear cover is located in an inner hole of the male end outer cover, and the male end outer cover is fixed with the rear end of the male end shell and the front end of the male end wire rod together through insert molding.

Preferably, the outer peripheral surface of the male end rear cover is provided with a first sealing portion, the inner wall surface of the male end outer cover is provided with a first groove matched with the first sealing portion, the outer peripheral surface of the rear end of the male end shell is provided with a first shaft shoulder, and the inner wall surface of the male end outer cover is provided with a first positioning groove matched with the first shaft shoulder.

A female connector, comprising:

the front end surface of the female end shell is provided with an opening communicated with the inner hole of the female end shell, and the rear end surface of the female end shell is provided with a second through hole communicated with the inner hole of the female end shell;

the female end contact element penetrates through the rear end face of the female end shell through the second through hole;

a female-end wire, a conductive core of which is in contact with the female-end contact;

and the female end rear cover is fixed with the rear end of the female end shell and the front end of the female end wire rod together through insert molding.

Preferably, still include female end enclosing cover, female end back cover is located in the hole of female end enclosing cover, female end enclosing cover through insert molding with the rear end of female end casing with the front end of female end wire rod is fixed together.

Preferably, the outer peripheral surface of the female end rear cover is provided with a second sealing portion, the inner wall surface of the female end outer cover is provided with a second groove matched with the second sealing portion, the outer peripheral surface of the rear end of the female end shell is provided with a second shaft shoulder, and the inner wall surface of the female end outer cover is provided with a second positioning groove matched with the second shaft shoulder.

The utility model provides a connector, includes male joint and female joint, the front end of public end casing with the front end of female end casing is pegged graft, public end contact with female end contact contacts, public end casing is equipped with the elasticity hasp, the elasticity hasp includes elasticity portion and detains the portion, elasticity portion includes front end and rear end, it sets up to detain the portion on the rear end of elasticity portion, the front end of female end casing be equipped with detain a complex catching groove.

Preferably, a seal ring is arranged on the outer peripheral surface of the front end of the male end shell, the inner side surface of the seal ring is in contact with the outer peripheral surface of the male end shell, and the outer side surface of the seal ring is in contact with the inner wall surface of the female end shell.

Preferably, the front end of the elastic part is higher than the rear end of the elastic part, the front end of the elastic part is provided with at least three grooves, the buckling grooves are through grooves, the male end contact piece is of a jack structure, and the female end contact piece is of a needle head structure.

The beneficial effects of the utility model include:

1. the assembly process of the male connector comprises the following steps: 1.1 installing the male end insulator into the bore of the male end housing. 1.2 inserting the male terminal contact into the positioning groove of the male terminal insulator and into the first through hole. 1.3 welding the male end contact element with the wire core of the male end wire. And 1.4, putting the rear end of the male end shell and the front end of the male end wire rod into a mould to be subjected to insert molding to form a male end rear cover, and finishing assembly. The assembly process is simple.

2. The assembling process of the female joint comprises the following steps: 1.1 inserting the female terminal contact into the second through hole and projecting the female terminal contact into the inner bore of the female terminal housing. 1.2 welding the female-end contact piece and the wire core of the female-end wire together. 1.3 put into the mould with the rear end of female end casing and the front end of female end wire rod insert shaping goes out female end back cover, accomplishes the equipment, and the assembling process is simple.

3. The insertion process of the connector is as follows: the front end of the male end shell is inserted into the front end of the female end shell, the buckling part is abutted against the female end shell, the buckling part is pressed, the elastic part is pressed to deform and radially moves due to the fact that the buckling part is arranged on the elastic part, when the buckling part is about to reach the buckling groove, the elastic part resets, the buckling part radially moves and is buckled with the buckling groove, and the male connector and the female connector are connected in an inserting mode. The extraction process of the connector comprises the following steps: the elastic part is pressed by hand to deform the elastic part, so that the buckling part moves radially to separate the buckling part from the buckling groove, and the male connector can be pulled out of the female connector. Therefore, the connector of the utility model is convenient to insert and pull.

Drawings

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

fig. 2 is a schematic cross-sectional view of a male housing and a male contact of a male connector according to an embodiment of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is a schematic view of the mating of the male insulator and the male contact of a male connector according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a male end housing, a male end contact, a male end wire, a male end back cover, and a male end outer cover of a male connector according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of the outer cap of the male end of a male connector according to an embodiment of the present invention;

fig. 7 is a perspective view of a female connector according to an embodiment of the present invention;

fig. 8 is an exploded view of a female connector according to an embodiment of the present invention;

fig. 9 is a schematic cross-sectional view of a female end housing and a female end contact of a female connector according to an embodiment of the present invention;

FIG. 10 is an enlarged view of FIG. 9 at B;

fig. 11 is a schematic cross-sectional view of a female housing, a female contact, a female wire, a female rear cover, and a female outer cover of a female connector according to an embodiment of the present invention;

fig. 12 is a schematic cross-sectional view of a female end cover of a female connector according to an embodiment of the present invention;

fig. 13 is a schematic view of a male connector mating with a female connector in accordance with an embodiment of the present invention;

fig. 14 is a schematic cross-sectional view of a male housing, a seal ring, a male contact, an elastic latch, a female housing, and a female contact in the mating of a male connector and a female connector according to an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

As shown in fig. 1 to 6, a male connector 100 includes: a male end housing 110, wherein the rear end surface of the male end housing 110 is provided with an opening 112 communicated with the inner hole 111 of the male end housing, and the front end surface of the male end housing is provided with a first through hole 113 communicated with the inner hole 111 of the male end housing; a male end insulator 120 fixed in the inner bore 111 of the male end housing, the male end insulator 120 having a positioning groove 121; a male contact 130 engaged with the first through hole 113, the male contact 130 engaged with the positioning groove 121; a male end wire 140, the conductive core 141 of which is welded to the male end contact 130; a male-end rear cover 150, the male-end rear cover 150 being fixed together with the rear end of the male-end housing 110 and the front end of the male-end wire 140 by insert molding.

The assembly process of the male connector comprises the following steps: 1.1 the male end insulator 120 is installed into the bore 111 of the male end housing. 1.2 the male contact 130 is inserted into the positioning groove 121 of the male insulator and into the first through hole 113. 1.3 soldering the male contact 130 to the core 141 of the male wire. 1.4 the rear end of the male end housing 110 and the front end of the male end wire 140 are placed in a mold to insert-mold the male end rear cover 150, completing the assembly. The assembly process is simple.

The male end insulator 120 is secured within the male end housing bore 111, preferably by: the outer peripheral surface of the male end insulator 120 is in interference fit with the inner bore 111 of the male end housing. This secures the male end insulator within the bore of the male end housing.

As shown in fig. 2 to 3, the male contact 130 is engaged with the first through hole 113, preferably: the male contact 130 is in clearance fit with the first through hole 113, the outer peripheral surface of the male contact 130 is provided with a first stop portion 131, the wall surface of the first through hole 113 is provided with a first stop groove 114 matched with the first stop portion, and the wall surface of the first through hole 113 is provided with a first stop step 115. The first stop portion 131, the first stop groove 114 and the first stop step 115 cooperate to prevent the male contact from being separated from the first through hole after the male contact is fitted into the first through hole.

As shown in fig. 4, the male contact 130 is engaged with the positioning groove 121, preferably: the male contact 130 is in clearance fit with the positioning groove 121, so that the male contact 130 is easily inserted into the positioning groove 121, and after insertion, the male contact and the positioning groove are fixed in a dispensing manner.

As shown in fig. 5 and 6, the male-end rear cover 150 is fixed to the rear end of the male-end housing 110 and the front end of the male-end wire 140 by insert molding, and the male-end rear cover 150 insulates a welded portion of the male-end contact 130 and the core of the male-end wire 140 from the outside and fixes the front end of the male-end wire 140, i.e., provides a certain resistance to the male-end wire from being easily detached by an external force. The preferred mode is as follows: the male end outer cover 160 is further included, the male end rear cover 150 is located in the inner hole 163 of the male end outer cover 160, and the male end outer cover 160 is fixed with the rear end of the male end housing 110 and the front end of the male end wire 140 by insert molding. The male end outer cover 160 further improves the anti-falling effect of the male end wire and plays a role in sealing. The preferred mode is as follows: the outer peripheral surface of the male end rear cover 150 is provided with a first sealing part 151, the inner wall surface of the male end outer cover 160 is provided with a first groove 161 matched with the first sealing part, the sealing effect is further improved through the matching of the first sealing part and the first groove, and the first sealing part 151 and the male end rear cover 150 are of an integrated structure and can also be formed through dispensing; in addition, the outer peripheral surface of the rear end of the male housing 110 is provided with a first shoulder 116, the inner wall surface of the male outer cover 160 is provided with a first positioning groove 162 matched with the first shoulder, and the first shoulder 116 is matched with the first positioning groove 162, so that the male outer cover and the male housing are connected more firmly, and the male outer cover is not easy to be separated from the male housing.

As shown in fig. 7 to 12, a female connector 200 includes: the front end surface of the female end shell 210 is provided with an opening 212 communicated with an inner hole 211 of the female end shell, and the rear end surface of the female end shell is provided with a second through hole 213 communicated with the inner hole of the female end shell; a female contact 220 penetrating the rear end surface of the female housing 210 through the second through hole 213; a female-end wire 230, the conductive core 231 of which is soldered to the female-end contact 220; a female-end rear cover 240, the female-end rear cover 240 being fixed together with the rear end of the female-end housing 210 and the front end of the female-end wire 240 by insert molding.

The assembling process of the female joint comprises the following steps: 1.1 inserting the female terminal contact 220 into the second through hole 213 and extending the female terminal contact 220 into the female bore 211 of the female terminal housing. 1.2 the female end contact 220 is soldered to the core 231 of the female end wire. 1.3 the rear end of the female end shell 210 and the front end of the female end wire 230 are put into a die to be insert-molded to form a female end rear cover 240, so that the assembly is completed, and the assembly process is simple.

As shown in fig. 9 and 10, the female contact 220 is engaged with the second through hole 213, preferably: the female contact 220 is in clearance fit with the second through hole 213, a second stop portion 221 is disposed on the outer peripheral surface of the female contact 220, a second stop groove 214 is disposed on the hole wall surface of the second through hole 213, the second stop step 215 is disposed on the hole wall surface of the second through hole 213, and a third stop portion 222 is disposed on the outer peripheral surface of the female contact 220. The second stop portion 221, the second stop groove 214, the second stop step 215 and the third stop portion 222 cooperate to prevent the female contact from being separated from the second through hole after the female contact is installed in the second through hole.

As shown in fig. 11 and 12, the female-end rear cover 240 is fixed to the rear end of the female-end housing 210 and the front end of the female-end wire 230 by insert molding, and the female-end rear cover 240 insulates a welded portion of the female-end contact 220 and the core 231 of the female-end wire from the outside and fixes the female-end wire 230, i.e., provides a certain resistance to prevent the female-end wire 230 from being easily separated due to an external force. The preferred mode is as follows: the anti-dropping structure further comprises a female end outer cover 250, the female end rear cover 240 is located in an inner hole 251 of the female end outer cover, the female end outer cover 250 is fixed with the rear end of the female end shell 210 and the front end of the female end wire 230 through insert molding, and the female end outer cover 250 further improves the anti-dropping effect of the female end wire and plays a role in sealing. The preferred mode is as follows: a second sealing part 241 is arranged on the outer peripheral surface of the female end rear cover 240, a second groove 252 matched with the second sealing part is arranged on the inner wall surface of the female end outer cover 250, the sealing effect is further improved through the matching of the second sealing part and the second groove, and the second sealing part and the female end rear cover are integrated and can also be formed through dispensing; in addition, the outer peripheral surface of the rear end of the female housing 210 is provided with a second shoulder 216, the inner wall surface of the female outer cover 250 is provided with a second positioning groove 253 matched with the second shoulder, and the female outer cover and the female housing are connected more firmly through the matching of the second shoulder and the second positioning groove, so that the female outer cover is not easy to separate from the female housing.

Fig. 13 and 14 show, a connector, including male joint 100 and female joint 200, the front end of public end casing 110 with the front end of female end casing 210 is pegged graft, public end contact 130 with female end contact 220 contacts, public end casing 110 is equipped with elasticity hasp 300, elasticity hasp 300 includes elasticity portion and knot portion 320, the elasticity portion includes front end 311 and rear end 312, knot portion 320 sets up on the rear end 312 of elasticity portion, the front end of female end casing 210 be equipped with knot portion 320 complex catching groove 217, the front end 311 of elasticity portion is higher than the rear end 312 of elasticity portion, catching groove 217 is logical groove.

The insertion process of the connector is as follows: the front end of the male housing 110 is inserted into the front end 210 of the female housing, the fastening portion 320 abuts against the female housing 210, the fastening portion 320 is pressed, the elastic portion is pressed and deformed due to the fastening portion 320 being disposed on the elastic portion, the fastening portion 320 moves radially, when the fastening portion 320 is about to reach the fastening groove 217, the elastic portion resets, the fastening portion 320 moves radially and is fastened with the fastening groove 217, and thus the male connector 100 and the female connector 200 are inserted and connected. The extraction process of the connector comprises the following steps: the elastic portion is pressed by hand to deform the elastic portion, so that the buckle portion 320 moves radially to disengage the buckle portion 320 from the buckle groove 217, thereby enabling the male connector to be pulled out of the female connector. Therefore, the connector of the utility model is convenient to insert and pull.

The front end of the male housing 110 is inserted into the front end of the female housing 210, and the preferable mode is: a seal ring 117 is disposed on the outer circumferential surface of the front end of the male housing, the inner side surface of the seal ring 117 contacts the outer circumferential surface of the male housing 110, and the outer side surface of the seal ring 117 contacts the inner wall surface of the female housing 210. The sealing ring plays a sealing role and prevents dirt or water from entering the connector.

Preferably, the front end 311 of the elastic portion is provided with at least three grooves. The groove is convenient for human hands to press.

The male contact 130 contacts the female contact 220, preferably: the male contact 130 is a socket structure, the female contact 220 is a needle structure, and the socket and the needle are in a plugging fit mode, so that the contact between the socket and the needle is more reliable.

The insert molding is a molding method in which a predetermined insert made of a different material is placed in a mold, a resin is injected, and the molten material is bonded to the insert and solidified to form an integrated product.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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

Claims

1. A male connector, comprising:

2. A male connector as defined in claim 1, wherein: still include public end enclosing cover, public end back cover is located in the hole of public end enclosing cover, public end enclosing cover through insert molding with the rear end of public end casing with the front end of public end wire rod is fixed together.

3. A male connector as defined in claim 2, wherein: the outer peripheral surface of the male end rear cover is provided with a first sealing part, the inner wall surface of the male end outer cover is provided with a first groove matched with the first sealing part, the outer peripheral surface of the rear end of the male end shell is provided with a first shaft shoulder, and the inner wall surface of the male end outer cover is provided with a first positioning groove matched with the first shaft shoulder.

4. A female connector for mating with a male connector according to any one of claims 1 to 3, wherein: the method comprises the following steps:

5. A female connector as defined in claim 4, wherein: still include female end enclosing cover, female end back cover is located in the hole of female end enclosing cover, female end enclosing cover through insert molding with the rear end of female end casing with the front end of female end wire rod is fixed together.

6. A female connector according to claim 5, wherein: the outer peripheral surface of the female end rear cover is provided with a second sealing portion, the inner wall surface of the female end outer cover is provided with a second groove matched with the second sealing portion, the outer peripheral surface of the rear end of the female end shell is provided with a second shaft shoulder, and the inner wall surface of the female end outer cover is provided with a second positioning groove matched with the second shaft shoulder.

7. A connector, characterized by: the male connector comprises a male connector of any one of claims 1 to 3 and a female connector of any one of claims 4 to 6, wherein the front end of the male housing is inserted into the front end of the female housing, the male contact is in contact with the female contact, the male housing is provided with an elastic lock catch, the elastic lock catch comprises an elastic part and a buckling part, the elastic part comprises a front end and a rear end, the buckling part is arranged on the rear end of the elastic part, and the front end of the female housing is provided with a buckling groove matched with the buckling part.

8. A connector as defined in claim 7, wherein: the outer peripheral surface of the front end of the male end shell is provided with a sealing ring, the inner side surface of the sealing ring is in contact with the outer peripheral surface of the male end shell, and the outer side surface of the sealing ring is in contact with the inner wall surface of the female end shell.

9. A connector as defined in claim 7, wherein: the front end of elastic part is higher than the rear end of elastic part, the front end of elastic part is equipped with at least three slot, the catching groove is logical groove, public end contact spare is the jack structure, female end contact spare is the syringe needle structure.