CN220324766U

CN220324766U - Connector insulating housing, electric connector and connector assembly

Info

Publication number: CN220324766U
Application number: CN202321474168.7U
Authority: CN
Inventors: 杨文初; 杨显贵; 熊海涛; 李必禄; 李杭
Original assignee: Amphenol Assembletech Xiamen Co Ltd
Current assignee: Amphenol Assembletech Xiamen Co Ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-01-09
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a connector insulating shell, an electric connector and a connector assembly, which belong to the field of electric connectors. According to the connector insulating shell, the electric connector and the connector assembly, the first accommodating section and/or the second accommodating section are/is provided with the holding part, the plug-in part and/or the clamping part of the conductive terminal are/is clamped, the position of the conductive terminal is kept, and the shaking of the conductive terminal is reduced.

Description

Connector insulating housing, electric connector and connector assembly

Technical Field

The utility model belongs to the field of electric connectors, and particularly relates to an insulating shell of a connector, an electric connector and a connector assembly.

Background

Connectors, also known as connectors, plugs and sockets in China, generally refer to electrical connectors, i.e. devices that connect two active devices, to transmit electrical current or signals, a component that is often contacted by electronic engineering technicians.

The conductive terminal is an important component for realizing circuit conduction by connector butt joint, the conductive terminal needs to be installed in the insulating shell, and the corresponding pore canal needs to be formed in the insulating shell of the existing connector for installing the conductive terminal, as shown in fig. 1, the conductive terminal is clamped and fixed by the insulating shell of the existing connector except for the installation section, the conductive terminal is not held in position in the first accommodation section and the second accommodation section, and the conductive terminal can shake only when the conductive terminal is held in position in the installation section, so that the butt joint stability is influenced.

Disclosure of Invention

The present utility model is directed to a connector insulating housing, an electrical connector and a connector assembly, which overcome at least one of the above-mentioned drawbacks of the prior art.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a connector insulating shell, which comprises a shell body and a plurality of installation cavities arranged in the shell body and used for installing conductive terminals, wherein each installation cavity comprises a first accommodating section, an installation section and a second accommodating section which are communicated in sequence, and a holding part used for holding the positions of the conductive terminals is arranged in each first accommodating section and/or each second accommodating section.

Preferably, the holding portion is provided on an inner wall of the first accommodation section and/or the second accommodation section.

Preferably, the holding part is integral or separate from the first receiving section and/or the second receiving section.

Preferably, the holding portion is connected to the mounting section.

Preferably, the holding portion is a circumferentially closed or semi-closed snap ring.

Preferably, a first yielding space is arranged between the clamping ring and the mounting section.

Preferably, the holding portion is at least two protruding strips, and a second abdication space is formed between two adjacent protruding strips.

Preferably, the number of the raised strips is four, and the four raised strips are distributed at intervals along the circumferential direction of the first accommodating section.

Preferably, the mounting section has a retaining wall at an end thereof adjacent to the first receiving section.

Preferably, the mounting section has a circular cross-section and the aperture of the mounting section is 2.80-3.50mm.

Preferably, the side wall of the mounting section has at least one first detent.

Preferably, the first detent is a recess and/or a projection.

Preferably, the first clamping portion is a groove, the first clamping portion is communicated with the mounting section, one end, close to the first accommodating section, of the first clamping portion is provided with a limiting wall, and one end, far away from the first accommodating section, of the first clamping portion is provided with an opening.

Preferably, the number of the first clamping portions is three, and the three first clamping portions are distributed at intervals along the circumferential direction of the mounting section.

Preferably, the second accommodating section comprises a tail accommodating section and a guiding section, and the guiding section is communicated with the tail accommodating section and the mounting section.

The utility model also provides an electric connector, which comprises the conductive terminal and the connector insulating shell, wherein the conductive terminal is arranged in the mounting cavity.

Preferably, the conductive terminal comprises a terminal body, a plug-in part, a clamping part and a second clamping part, wherein the plug-in part is arranged at the head part of the terminal body, the clamping part is arranged at the tail part of the terminal body, at least one second clamping part is arranged on the terminal body, the second clamping part is positioned at one side, close to the clamping part, of the terminal body, at least one first clamping part is arranged on the side wall of the mounting section, and the second clamping part is matched with the first clamping part.

Preferably, the conductive terminal further comprises an elastic sheet buckle, the terminal main body is provided with at least one elastic sheet buckle which is bent outwards, the elastic sheet buckle is located at one side of the terminal main body, which is close to the plug-in connection part, the side wall of the first accommodating section is provided with at least two convex strips, a second abdication space is formed between two adjacent convex strips, and the elastic sheet buckle is located in the second abdication space.

Preferably, the terminal body, the plugging portion, the clamping portion, the second clamping portion and the elastic piece buckle are integrally formed.

The utility model also provides a connector assembly, which comprises the electric connector and a butt connector which is in butt joint with the electric connector.

The beneficial effects of the utility model are as follows:

1. the first accommodating section and/or the second accommodating section are/is provided with the holding part, so that the plug-in part and/or the clamping part of the conductive terminal are clamped, the position of the conductive terminal is held, and the shaking of the conductive terminal is reduced.

2. Through the setting of first card portion, can carry out circumference spacing to conductive terminal's second card portion, avoid conductive terminal to rotate.

3. Through the setting of spacing wall, can carry out axial spacing to conductive terminal's second card portion, avoid conductive terminal to insert excessively. The second clamping part of the conductive terminal is convenient to insert into the first clamping part through the arrangement of the first opening.

4. Through the setting of guide section, the installation direction of conductive terminal of being convenient for is favorable to conductive terminal's installation.

5. Through the setting of stopping wall, play axial spacing to conductive terminal's shell fragment buckle, avoid conductive terminal to fall back out the insulating casing.

6. Because the first clamping part is directly arranged on the mounting section to limit the second clamping part of the conductive terminal, the prior widening mounting section mode is changed, the aperture of the mounting section is greatly reduced, better holding force is provided for the conductive terminal group, and shaking is reduced.

Drawings

Fig. 1 is a schematic view of a prior art connector insulating housing.

Fig. 2 is a schematic perspective view of a first embodiment of the present utility model.

Fig. 3 is a schematic front view of a first embodiment of the present utility model.

Fig. 4 is a schematic cross-sectional view of A-A in fig. 3.

Fig. 5 is a schematic rear view of a first embodiment of the present utility model.

Fig. 6 is a schematic cross-sectional view of a second embodiment of the present utility model.

Fig. 7 is a schematic perspective view of a third embodiment of the present utility model.

Fig. 8 is a schematic perspective view of a three-conductive terminal according to an embodiment of the present utility model.

Fig. 9 is a schematic diagram of a front view of a third embodiment of the present utility model.

Fig. 10 is a schematic view of the cross-sectional structure of B-B in fig. 9.

Fig. 11 is a schematic rear view of a third embodiment of the present utility model.

The marks in the drawings are: 1-shell body, 2-installation cavity, 21-first accommodation section, 22-installation section, 23-second accommodation section, 221-first clamping part, 2211-limiting wall, 2212-opening, 231-afterbody accommodation section, 232-guide section, 3-sand grip, 4-second space of stepping down, 222-retaining wall, 5-conductive terminal, 51-terminal main part, 52-grafting portion, 53-clamping part, 54-second clamping part, 55-shell fragment buckle, 6-snap ring, 7-first space of stepping down.

Detailed Description

The utility model will now be further described with reference to the drawings and detailed description.

What is not described in detail in this specification is prior art known to those skilled in the art. In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or refer to the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Embodiment one:

as shown in fig. 2 to 5, the connector insulating housing provided in the present embodiment includes a housing body 1, and four mounting cavities 2 for mounting conductive terminals 5 provided in the housing body 1, the four mounting cavities 2 being arranged at intervals in the width direction of the housing body 1. The installation cavity 2 includes a first accommodation section 21, an installation section 22, and a second accommodation section 23 which are sequentially communicated from front to back.

The first accommodating section 21 of the embodiment has a holding portion for holding the position of the conductive terminal, the holding portion is disposed on the inner wall of the first accommodating section 21, and the holding portion and the first accommodating section 21 are integrated, that is, the inner wall of the first accommodating section 21 protrudes inwards to form the holding portion, and the holding portion is connected with the mounting section 22, the holding portion is four protruding strips 3, and a second abdication space 4 is formed between two adjacent protruding strips 3. The four raised strips 3 are distributed at intervals along the circumferential direction of the first accommodating section 21 to form four second yielding spaces 4. The second abdication space 4 is used for abdication of the elastic sheet buckle 55 of the conductive terminal 5, the plug-in connection part 52 of the conductive terminal 5 is clamped by the four convex strips 3, the position of the conductive terminal 5 is maintained, and the shaking of the conductive terminal 5 is reduced.

Of course, in other embodiments, the holding portion may also be disposed on the inner wall of the second accommodating section; or the inner walls of the first accommodating section and the second accommodating section are respectively provided; the holding portion may be provided separately to the first accommodation section 21 and/or the second accommodation section 23, and may be mounted to the first accommodation section 21 and/or the second accommodation section 23.

The side wall of the mounting section 22 has three first clamping portions 221, and the first clamping portions 221 in this embodiment are grooves, but it is understood that other embodiments may also be protrusions, or a portion of the first clamping portions 221 are grooves and a portion of the first clamping portions are protrusions. The mounting section 22 has a circular cross section and the aperture of the mounting section 22 is 2.95mm. Because the first clamping part 221 is directly arranged on the mounting section 22 to limit the second clamping part 54 of the conductive terminal 5, the prior mode of widening the mounting section 22 is changed, the aperture of the mounting section 22 is only required to be 2.95mm, the aperture of the mounting section 22 is greatly reduced, better holding force is provided for the conductive terminal 5 group, and shaking is reduced. The three first catching portions 221 are spaced apart along the circumferential direction of the mounting section 22. By providing the first engaging portion 221, the second engaging portion 54 of the conductive terminal 5 can be circumferentially restrained from rotating. By providing three first clamping portions 221 circumferentially spaced along the mounting section 22, the three second clamping portions 54 of the conductive terminal 5 cooperate with each other, and the effect of reducing the shaking of the conductive terminal 5 is better. The first accommodating section 21 is used for accommodating the plug-in portion 52, the spring clip 55 and the head of the terminal main body 51 of the conductive terminal 5, the second accommodating section 23 is used for accommodating the clamping portion 53 and the tail of the terminal main body 51 of the conductive terminal 5, and the mounting section 22 is used for clamping and fixing the terminal main body 51 of the conductive terminal 5.

The first clamping portion 221 of the present embodiment is communicated with the mounting section 22, the front end of the first clamping portion 221 has a limiting wall 2211, and the rear end of the first clamping portion 221 has an opening 2212. Through the setting of spacing wall 2211, can carry out the axial spacing to the second card portion 54 of conductive terminal 5, avoid conductive terminal 5 to insert excessively. The second card portion 54 of the conductive terminal 5 is easily inserted into the first card portion 221 by the provision of the first opening 2212.

The second accommodating section 23 includes a tail accommodating section 231 and a guiding section 232, and the guiding section 232 communicates the tail accommodating section 231 with the mounting section 22. By the arrangement of the guide section 232, the installation and the guide of the conductive terminal 5 are facilitated, and the installation of the conductive terminal 5 is facilitated.

Wherein the front end of the mounting section 22 has a retaining wall 222. Through the setting of stopping wall 222, play axial spacing to conductive terminal 5's shell fragment buckle 55, avoid conductive terminal 5 to fall back out of the insulating housing.

Embodiment two:

as shown in fig. 6, the present embodiment is different from the first embodiment in that:

the retaining part is a circumferentially closed clamping ring 6, the clamping ring 6 is not connected with the mounting section 22, and a first abdication space 7 is arranged between the clamping ring 6 and the mounting section 22. The first abdication space 7 is used for abdication of the elastic piece buckle 55 of the conductive terminal 5. The plug-in part 52 of the conductive terminal 5 is clamped by adopting the form of the clamping ring 6, so that the position of the conductive terminal 5 is maintained, and the shaking of the conductive terminal 5 is reduced. Of course, in other embodiments, the holding portion may be a semi-closed snap ring, and the snap ring may be connected to the mounting section 22, so long as the first yielding space 7 is provided between the snap ring and the mounting section 22.

Embodiment III:

as shown in fig. 7 to 11, the present embodiment further provides an electrical connector, which includes a conductive terminal 5, and the connector insulating housing of the first embodiment, wherein the conductive terminal 5 is mounted in the mounting cavity 2.

The conductive terminal 5 includes a terminal main body 51, a plug portion 52, a clamping portion 53, and a second clamping portion 54, wherein the head portion of the terminal main body 51 has the plug portion 52, the tail portion of the terminal main body 51 has the clamping portion 53, the terminal main body 51 has three second clamping portions 54, the second clamping portion 54 is located at the rear side of the terminal main body 51, and the second clamping portion 54 is matched with the first clamping portion 221 to prevent the conductive terminal 5 from rotating. The second engaging portion 54 of the present embodiment is a protrusion. Of course, in the case where the first engaging portion 221 is a protrusion, the second engaging portion 54 may be a groove.

The conductive terminal 5 further includes a spring clip 55, the terminal main body 51 is provided with two spring clip 55 bent outwards, the spring clip 55 is located at the front side of the terminal main body 51, the side wall of the first accommodating section 21 is provided with four raised strips 3, a second abdicating space 4 is formed between two adjacent raised strips 3, and the spring clip 55 is located in the second abdicating space 4. The elastic sheet buckle is circumferentially limited through the second abdication space 4, so that the conductive terminal 5 is prevented from shaking. And the elastic piece buckle is matched with the retaining wall 222 to prevent the conductive terminal 5 from backing out of the insulating shell.

The terminal main body 51, the plugging portion 52, the clamping portion 53, the second clamping portion 54, and the elastic piece buckle 55 are integrally formed, and the molding is convenient.

Embodiment four:

the present embodiment also provides a connector assembly including the above-mentioned electrical connector and a mating connector (not shown) for mating with the electrical connector.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Connector insulating housing, its characterized in that:

comprises a shell body (1) and a plurality of mounting cavities (2) which are arranged in the shell body (1) and are used for mounting conductive terminals (5);

the mounting cavity (2) comprises a first accommodating section (21), a mounting section (22) and a second accommodating section (23) which are communicated in sequence;

the first accommodation section (21) and/or the second accommodation section (23) are/is provided with a holding part for holding the position of the conductive terminal.

2. The connector insulating housing of claim 1, wherein:

the holding part is arranged on the inner wall of the first accommodating section (21) and/or the second accommodating section (23).

3. The connector insulating housing of claim 2, wherein:

the holding part is integrated with or separated from the first accommodating section (21) and/or the second accommodating section (23).

4. The connector insulating housing of claim 2, wherein:

the holding portion is connected to the mounting section (22).

5. The connector insulating housing of claim 2, wherein:

the holding part is a circumferentially closed or semi-closed snap ring (6).

6. The connector insulating housing of claim 5, wherein:

a first abdication space (7) is arranged between the clamping ring (6) and the mounting section (22).

7. The connector insulating housing of claim 2, wherein:

the holding part is provided with at least two raised strips (3), and a second abdication space (4) is formed between two adjacent raised strips (3).

8. The connector insulating housing of claim 7, wherein:

the number of the raised strips (3) is four, and the four raised strips (3) are distributed at intervals along the circumferential direction of the first accommodating section (21).

9. The connector insulating housing of claim 1, wherein:

one end of the mounting section (22) close to the first accommodating section (21) is provided with a retaining wall (222).

10. The connector insulating housing of claim 1, wherein:

the cross section of the mounting section (22) is circular, and the aperture of the mounting section (22) is 2.80-3.50mm.

11. The connector insulating housing of claim 1, wherein:

the side wall of the mounting section (22) has at least one first detent (221).

12. The connector insulating housing of claim 11, wherein:

the first clamping part (221) is a groove and/or a bulge.

13. The connector insulating housing of claim 11, wherein:

the first clamping part (221) is a groove, the first clamping part (221) is communicated with the mounting section (22), one end, close to the first accommodating section (21), of the first clamping part (221) is provided with a limiting wall (2211), and one end, far away from the first accommodating section (21), of the first clamping part (221) is provided with an opening (2212).

14. The connector insulating housing of claim 11, wherein:

the number of the first clamping parts (221) is three, and the three first clamping parts (221) are distributed at intervals along the circumferential direction of the mounting section (22).

15. The connector insulating housing of claim 1, wherein:

the second accommodating section (23) comprises a tail accommodating section (231) and a guiding section (232);

the guide section (232) communicates the tail receiving section (231) with the mounting section (22).

16. An electrical connector, characterized in that:

comprising an electrically conductive terminal (5), a connector insulating housing according to any of claims 1-15;

the conductive terminal (5) is arranged in the mounting cavity (2).

17. The electrical connector of claim 16, wherein:

the conductive terminal (5) comprises a terminal main body (51), a plug-in part (52), a clamping part (53) and a second clamping part (54);

the head part of the terminal main body (51) is provided with a plug-in part (52), and the tail part of the terminal main body (51) is provided with a clamping part (53);

the terminal main body (51) is provided with at least one second clamping part (54), and the second clamping part (54) is positioned at one side of the terminal main body (51) close to the clamping part (53);

the side wall of the mounting section (22) is provided with at least one first clamping part (221);

the second card portion (54) is engaged with the first card portion (221).

18. The electrical connector of claim 17, wherein:

the conductive terminal (5) further comprises a spring piece buckle (55);

the terminal main body (51) is provided with at least one elastic sheet buckle (55) which is bent outwards, and the elastic sheet buckle (55) is positioned at one side of the terminal main body (51) close to the plug-in part (52);

the side wall of the first accommodating section (21) is provided with at least two raised strips (3), and a second abdication space (4) is formed between two adjacent raised strips (3);

the elastic piece buckle (55) is located in the second yielding space (4).

19. The electrical connector of claim 18, wherein:

the terminal main body (51), the plug-in connection part (52), the clamping part (53), the second clamping part (54) and the elastic piece buckle (55) are integrally formed.

20. A connector assembly comprising the electrical connector of any one of claims 16-19, and a mating connector that mates with the electrical connector.