CN213184791U

CN213184791U - Connector with a locking member

Info

Publication number: CN213184791U
Application number: CN202021900984.6U
Authority: CN
Inventors: 林任重; 武正英一郎; 冈田雄介; 姚李强; 王勇
Original assignee: Xibashi Electronic Xiamen Co ltd; Tyco Electronics Japan GK
Current assignee: Xibashi Electronic Xiamen Co ltd; Tyco Electronics Japan GK
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-05-11
Anticipated expiration: 2030-09-03
Also published as: EP4208923A1; JP2023540924A; WO2022049234A1; KR20230054897A

Abstract

The utility model discloses a connector, comprising: a lower shell; a lower core piece, which is installed in the lower shell; an upper shell, which is suitable for being assembled on the lower shell; and an upper core piece, which is installed in the upper shell and is suitable for mating with the lower core piece; a locking piece, the lower part of which is rotatably mounted on the outer wall of the lower shell, for locking the upper shell and the lower shell together; and a spring, which is connected to the lower shell and the locking piece In between, it is used to apply elastic locking force to the locking element. An outwardly protruding ear is formed on the outer wall of the upper casing, and a locking groove suitable for locking on the ear is formed on the locking member. A guiding slope is formed on the upper part of the locking piece. During the process of mating the lower core and the upper core, the ears of the upper shell slide down along the guiding slope and are guided into the slot by the guiding slope to realize Assembly and locking of the lower and upper housings. Therefore, the utility model does not need to assemble and lock the upper and lower casings separately, which reduces the installation steps and makes the assembly of the connector more convenient and simple.

Description

Connector with a locking member

Technical Field

The utility model relates to a connector.

Background

In the prior art, heavy duty connectors typically include an upper housing, a lower housing, an upper core, and a lower core. When assembling, the upper core piece and the lower core piece are inserted in an opposite mode, and then the upper shell and the lower shell are assembled and locked. In the prior art, after the upper shell and the lower shell are assembled together, the upper shell and the lower shell can be locked together only by manually buckling the locking fastener, so that more operation steps are required, and the time is consumed.

In addition, in the prior art, in order to achieve a sufficient sealing grade, the deformation of the elastic sealing ring needs to reach a certain proportion, and the deformation restoring force makes the locking process difficult. Meanwhile, the direction of acting force when the locking fastener is locked is inconsistent with the direction of the deformation return resistance of the spring, so that a larger force needs to be applied to complete the locking operation.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.

According to an aspect of the present invention, there is provided a connector, including: a lower housing; a lower core member mounted in the lower case; an upper housing adapted to be assembled on the lower housing; an upper core member mounted in the upper housing and adapted to interfit with the lower core member; a locking member, a lower portion of which is rotatably mounted on an outer wall of the lower case, for locking the upper case and the lower case together; and a spring connected between the lower case and the locking member for applying an elastic locking force to the locking member. An outward protruding lug part is formed on the outer wall of the upper shell, and a clamping groove suitable for being locked on the lug part is formed on the locking piece. A guide slope is formed at an upper portion of the locker, and an ear portion of the upper housing slides down along the guide slope and is guided into the catching groove by the guide slope during the mating of the lower core member and the upper core member so as to accomplish the assembling and locking of the lower housing and the upper housing during the mating of the lower core member and the upper core member.

According to an exemplary embodiment of the present invention, when the ear portion of the upper case slides down the guide slope of the locking member, the ear portion overcomes the elastic force of the spring and pushes the locking member to rotate from the initial position to the end position; when the ear of the upper case passes over the lower end of the guide slope and is guided into the catching groove, the locking member is automatically restored to the initial position by the elastic restoring force of the spring.

According to another exemplary embodiment of the present invention, when the locking member is rotated to the initial position, the engaging groove is engaged with the ear portion, thereby locking the lower case and the upper case together; when the locking member rotates to the end position, the catching groove is separated from the ear portion to allow the lower case and the upper case to be separated.

According to another exemplary embodiment of the present invention, the catch piece comprises: a pair of rotating arms whose lower portions are respectively rotatably connected to a pair of side walls of the lower case; a connecting portion connected between the rotating arms; and a pair of guide portions respectively connected to upper portions of the pair of rotating arms, the guide slopes being formed on the guide portions.

According to another exemplary embodiment of the present invention, the catching groove is formed at a connecting portion between the guide portion and the rotating arm, and is adjacent to a lower end of the guide slope.

According to the utility model discloses a further exemplary embodiment, the hasp piece still includes handle portion, accessible operation handle portion will the hasp piece rotate to with the unblock position of ear's separation.

According to another exemplary embodiment of the present invention, the handle portion is connected to a middle portion of an upper edge of the connecting portion and is bent outward by a predetermined angle.

According to another exemplary embodiment of the present invention, a protruding blocking portion is formed on the outer wall of the lower case, and the blocking portion blocks the locking member at the initial position before the lower case and the upper case are assembled.

According to another exemplary embodiment of the present invention, one end of the spring is connected to the outer wall of the lower housing, and the other end of the spring is connected to the rotating arm of the locking member in a manner movable relative to the locking member.

According to another exemplary embodiment of the present invention, the inner side of the rotating arm of the locking member is formed with a connection lug on which a through hole is formed, and the other end of the spring passes through the through hole, so as to be movable relative to the through hole.

According to another exemplary embodiment of the present invention, a protrusion is formed on an outer wall of the lower case, a slot is formed on the protrusion, and one end of the spring is inserted into and held by the slot.

According to another exemplary embodiment of the present invention, a blocking inclined plane for limiting a maximum bending angle of the spring is formed on the boss to prevent the spring from being excessively bent.

According to another exemplary embodiment of the present invention, the connector further comprises an elastic sealing ring, the elastic sealing ring is clamped between the lower shell and the upper shell to seal a mating interface between the lower shell and the upper shell.

According to another exemplary embodiment of the present invention, a local protrusion is formed on a contact surface of the lower case, which is in contact with the elastic sealing ring, through which the elastic sealing ring is pressed by the local protrusion, so as to reduce an elastic deformation force of the elastic sealing ring when being pressed.

In the aforementioned various exemplary embodiments according to the present invention, in the process of inserting the lower core piece and the upper core piece into each other, the assembling and locking of the lower shell and the upper shell are simultaneously realized, and the lower shell and the upper shell do not need to be assembled and locked separately, so that the number of mounting steps is reduced, and the assembling of the connector is more convenient and simpler.

Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.

Drawings

Fig. 1 shows a perspective view of a lower housing and a locking member of a connector according to an exemplary embodiment of the present invention;

FIG. 2 shows a perspective view of the lower housing shown in FIG. 1;

fig. 3 shows a perspective view of the catch element shown in fig. 1;

fig. 4 shows a cross-sectional view of the lower housing and catch member shown in fig. 1;

fig. 5 shows a schematic perspective view of an upper housing of a connector according to an exemplary embodiment of the present invention;

fig. 6 shows an assembly schematic of a connector according to an exemplary embodiment of the invention;

fig. 7 is a view showing an assembling process of the connector in which the ear portions of the upper housing are just in contact with the guide slopes of the lower housing;

fig. 8 shows an assembly process diagram of the connector, in which the ear portions of the upper housing are slid down the guide slopes of the lower housing;

fig. 9 shows an assembly process of the connector, in which the ear portions of the upper housing are slid down the guide slopes of the lower housing to the lowermost ends of the guide slopes;

fig. 10 shows a view of the assembly process of the connector, in which the ear portions of the upper housing are passed over the lowermost end of the guide slopes and guided to the card slot;

FIG. 11 shows a partial cross-sectional view of the assembled connector;

fig. 12 is a partially enlarged view of the connector shown in fig. 11.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

According to a general technical concept of the present invention, there is provided a connector, including: a lower housing; a lower core member mounted in the lower case; an upper housing adapted to be assembled on the lower housing; an upper core member mounted in the upper housing and adapted to interfit with the lower core member; a locking member, a lower portion of which is rotatably mounted on an outer wall of the lower case, for locking the upper case and the lower case together; and a spring connected between the lower case and the locking member for applying an elastic locking force to the locking member. An outward protruding lug part is formed on the outer wall of the upper shell, and a clamping groove suitable for being locked on the lug part is formed on the locking piece. A guide slope is formed at an upper portion of the locker, and an ear portion of the upper housing slides down along the guide slope and is guided into the catching groove by the guide slope during the mating of the lower core member and the upper core member so as to accomplish the assembling and locking of the lower housing and the upper housing during the mating of the lower core member and the upper core member.

Fig. 1 is a perspective view of a lower housing and a locking member of a connector according to an exemplary embodiment of the present invention. Fig. 2 shows a perspective view of the lower housing shown in fig. 1. Fig. 3 shows a perspective view of the catch element shown in fig. 1. Fig. 4 shows a cross-sectional view of the lower housing and catch member shown in fig. 1. Fig. 5 shows a perspective view of an upper housing of a connector according to an exemplary embodiment of the present invention. Fig. 6 shows an assembly schematic of a connector according to an exemplary embodiment of the invention.

As shown in fig. 1 to 6, in the illustrated embodiment, the connector mainly includes: a lower case 10, a lower core 1 (see fig. 11), an upper case 20, an upper core 2 (see fig. 11), a locker 100, and a spring 200. The lower core member 1 is mounted in the lower housing 10. The upper case 20 is adapted to be assembled on the lower case 10. The upper core member 2 is mounted in the upper housing 20 and adapted to interfit with the lower core member 1. The lower portion of the locking member 100 is rotatably mounted on the outer wall of the lower case 10 for locking the upper and

lower cases

20 and 10 together. The spring 200 is connected between the lower case 10 and the locking member 100 for applying an elastic locking force to the locking member 100. An outwardly protruding ear portion 21 is formed on the outer wall of the upper case 20, and a catching groove 140 adapted to catch on the ear portion 21 is formed on the catching member 100.

Fig. 7 is a view showing an assembling process of the connector in which the ear portions of the upper housing are just in contact with the guide slopes of the lower housing; fig. 8 shows an assembly process diagram of the connector, in which the ear portions of the upper housing are slid down the guide slopes of the lower housing; fig. 9 shows an assembly process of the connector, in which the ear portions of the upper housing are slid down the guide slopes of the lower housing to the lowermost ends of the guide slopes; fig. 10 shows an assembly process diagram of the connector in which the ear portion of the upper housing is passed over the lowermost end of the guide slope and guided to the card slot.

As shown in fig. 1 to 10, in the illustrated embodiment, a guide slope 130a is formed at an upper portion of the locking piece 100, and during the mating of the lower core member 1 and the upper core member 2, the ear portion 21 of the upper housing 20 slides down the guide slope 130a and is guided by the guide slope 130a into the card slot 140, so that the assembly and locking of the lower housing 10 and the upper housing 20 are simultaneously achieved during the mating of the lower core member 1 and the upper core member 2.

As shown in fig. 1 to 10, in the illustrated embodiment, when the ear portion 21 of the upper case 20 slides down the guide slope 130a of the latch member 100, the ear portion 21 overcomes the elastic force of the spring 200 and urges the latch member 100 to rotate from the initial position (i.e., the position where the ear portion 21 has not come into contact with the guide slope 130a) to the terminal position (i.e., the position where the ear portion 21 slides down the guide slope 130a to the lowermost end of the guide slope 130 a).

As shown in fig. 1 to 10, in the illustrated embodiment, when the ear portion 21 of the upper housing 20 passes over the lower end of the guide slope 130a and is guided into the catching groove 140, the locking member 100 is automatically returned to the initial position by the elastic restoring force of the spring 200, so that the ear portion 21 of the upper housing 2 is locked in the catching groove 140 of the locking member 100, and thus, the assembly and locking of the lower housing 10 and the upper housing 20 can be simultaneously achieved in the process of mating the lower core 1 and the upper core 2.

As shown in fig. 1 to 10, in the illustrated embodiment, when the locking member 100 is rotated to the initial position, the catching groove 140 is engaged with the ear 21, thereby locking the lower case 10 and the upper case 20 together. When the locking member 100 is rotated to the end position, the catching groove 140 is separated from the ear 21 to allow the lower case 10 and the upper case 20 to be separated.

As shown in fig. 1 to 10, in the illustrated embodiment, the catch piece 100 includes: a pair of rotating arms 110, a connecting portion 120, and a pair of guide portions 130. Lower portions of the pair of rotating arms 110 are rotatably connected to a pair of sidewalls of the lower case 10, respectively. The connecting portion 120 is connected between the rotating arms 110. A pair of guide portions 130 are respectively connected to upper portions of the pair of rotating arms 110, and guide slopes 130a are formed on the guide portions 130.

As shown in fig. 1 to 10, in the illustrated embodiment, a catching groove 140 is formed at a connection point between the guide part 130 and the rotation arm 110, and is adjacent to a lower end of the guide slope 130 a.

As shown in fig. 1-10, in the illustrated embodiment, the catch member 100 further includes a handle portion 150, and the catch member 100 can be rotated to an unlocked position separated from the ear portion 21 by operating the handle portion 150.

As shown in fig. 1 to 10, in the illustrated embodiment, the handle portion 150 is connected to a middle portion of an upper edge of the connecting portion 120 and is bent outward at a predetermined angle.

As shown in fig. 1 to 10, in the illustrated embodiment, a protruding stopper 11 is formed on the outer wall of the lower case 10, and the stopper 11 stops the locking member 100 at an initial position before the lower case 10 and the upper case 20 are assembled.

As shown in fig. 1 to 10, in the illustrated embodiment, one end of the spring 200 is connected to the outer wall of the lower case 10, and the other end is connected to the rotating arm 110 of the catch member 100 in a movable manner with respect to the catch member 100.

As shown in fig. 1 to 10, in the illustrated embodiment, a coupling lug 111 is formed at an inner side of the rotating arm 110 of the locking member 100, a through hole 111a is formed at the coupling lug 111, and the other end of the spring 200 passes through the through hole 111a so as to be movable with respect to the through hole 111 a.

As shown in fig. 1 to 10, in the illustrated embodiment, a boss 12 is formed on an outer wall of the lower case 10, a slot 12a is formed on the boss 12, and one end of the spring 200 is inserted and held in the slot 12 a.

As shown in fig. 1 to 10, in the illustrated embodiment, a blocking slope 12b is formed on the boss 12, and the blocking slope 12b is used to limit the maximum bending angle of the spring 200 to prevent the spring 200 from being excessively bent.

FIG. 11 shows a partial cross-sectional view of the assembled connector; fig. 12 is a partially enlarged view of the connector shown in fig. 11.

As shown in fig. 1 to 12, in the illustrated embodiment, the connector further includes an elastic sealing ring 30, and the elastic sealing ring 30 is clamped between the lower housing 10 and the upper housing 20 to seal the mating interface between the lower housing 10 and the upper housing 20.

As shown in fig. 1 to 12, in the illustrated embodiment, a partial protrusion 10a is formed on a contact surface of the lower housing 10 contacting the elastic sealing ring 30, and the elastic sealing ring 30 is pressed by the partial protrusion 10a to reduce an elastic deformation force of the elastic sealing ring 30 when being pressed. Thus, the assembly is more labor-saving.

It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.

Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.

Claims

1. A connector comprising:

lower casing (10);

a lower core piece (1), installed in the lower casing (10);

an upper casing (20), adapted to be assembled on the lower casing (10);

an upper core piece (2), which is installed in the upper casing (20), and is suitable for mating and mating with the lower core piece (1);

a locking member (100), the lower part of which is rotatably mounted on the outer wall of the lower casing (10) for locking the upper casing (20) and the lower casing (10) together; and

a spring (200), connected between the lower casing (10) and the locking member (100), for applying an elastic locking force to the locking member (100),

An outwardly protruding ear portion (21) is formed on the outer wall of the upper casing (20), and the locking member (100) is formed with an ear portion (21) suitable for locking on the ear portion (21). the card slot (140),

It is characterized by:

A guide slope (130a) is formed on the upper part of the locking member (100), and during the process of mating the lower core member (1) and the upper core member (2), the upper shell The ear portion (21) of (20) slides down along the guide slope (130a) and is guided into the card slot (140) by the guide slope (130a), so that the lower core can be mated with each other. The assembly and locking of the lower casing (10) and the upper casing (20) are realized during the process of the assembly (1) and the upper core (2).

2. The connector according to claim 1, wherein:

When the ear portion (21) of the upper casing (20) slides down along the guide slope (130a) of the locking member (100), the ear portion (21) overcomes the force of the spring (200). elastic force and push the locking member (100) to rotate from the initial position to the end position;

When the ear portion (21) of the upper casing (20) goes over the lower end of the guiding slope (130a) and is guided into the locking groove (140), the locking member (100) is in the The spring (200) automatically returns to the initial position under the action of the elastic restoring force of the spring (200).

3. The connector according to claim 2, wherein:

When the locking member (100) is rotated to the initial position, the latching groove (140) is engaged with the ear portion (21), thereby connecting the lower casing (10) and the upper casing ( 20) locked together;

When the locking member (100) is rotated to the end position, the snap groove (140) is separated from the ear portion (21) to allow the lower case (10) and the upper case to be separated (20) SEPARATE.

4. The connector according to claim 3, wherein the locking member (100) comprises:

a pair of rotating arms (110), the lower parts of which are respectively rotatably connected to a pair of side walls of the lower casing (10);

a connecting portion (120) connected between the rotating arms (110); and

A pair of guide parts (130) are respectively connected to the upper parts of the pair of rotating arms (110), and the guide slopes (130a) are formed on the guide parts (130).

5. The connector according to claim 4, wherein:

The snap groove (140) is formed at the connection portion between the guide portion (130) and the rotating arm (110), and is adjacent to the lower end of the guide slope (130a).

6. The connector of claim 4, wherein:

The locking member (100) further comprises a handle portion (150), and the locking member (100) can be rotated to an unlocking position separated from the ear portion (21) by operating the handle portion (150).

7. The connector of claim 6, wherein:

The handle part (150) is connected to the middle part of the upper edge of the connection part (120) and is bent to the outside by a predetermined angle.

8. The connector of claim 2, wherein:

A raised blocking part (11) is formed on the outer wall of the lower casing (10), before assembling the lower casing (10) and the upper casing (20), the blocking part (11) The locking member (100) is blocked in the initial position.

9. The connector of claim 4, wherein:

One end of the spring (200) is connected to the outer wall of the lower casing (10), and the other end is connected to the locking member (100) in a movable manner relative to the locking member (100). on the swivel arm (110).

10. The connector of claim 9, wherein:

A connecting lug (111) is formed on the inner side of the rotating arm (110) of the locking member (100), a through hole (111a) is formed on the connecting lug (111), and another part of the spring (200) is formed. One end passes through the through hole (111a) so as to be movable relative to the through hole (111a).

11. The connector of claim 9, wherein:

A protrusion (12) is formed on the outer wall of the lower casing (10), a slot (12a) is formed on the protrusion (12), and one end of the spring (200) is inserted and clamped in the slot (12a).

12. The connector of claim 11, wherein:

A blocking slope (12b) is formed on the protruding part (12), and the blocking slope (12b) is used to limit the maximum bending angle of the spring (200), so as to prevent the spring (200) from being excessively bending.

13. The connector of claim 1, wherein:

The connector further includes an elastic sealing ring (30) which is clamped between the lower housing (10) and the upper housing (20) to seal the lower housing (20). The mating interface between the casing (10) and the upper casing (20).

14. The connector of claim 13, wherein:

A partial protrusion (10a) is formed on the contact surface of the lower casing (10) with the elastic sealing ring (30), and the elastic sealing ring (10a) is pressed by the partial protrusion (10a). 30) to reduce the elastic deformation force of the elastic sealing ring (30) when it is squeezed.