CN106785630B

CN106785630B - Connector protective shell

Info

Publication number: CN106785630B
Application number: CN201710067637.6A
Authority: CN
Inventors: 吴志伟; 邹立进; 熊洪煌; 郭小萍
Original assignee: Xiamen Wain Electrical Co ltd
Current assignee: Xiamen Wain Electrical Co ltd
Priority date: 2017-02-07
Filing date: 2017-02-07
Publication date: 2022-11-15
Anticipated expiration: 2037-02-07
Also published as: CN106785630A

Abstract

The invention relates to a connector protective shell, which is characterized in that an elastic piece is arranged, so that the elastic piece acts on a cover and applies an acting force which rotates around a shaft to the cover so as to be buckled on a lower shell; the cover is buckled on the lower shell and is in an initial position; a pin is also arranged and is movably arranged on the lower shell or the cover, and the pin is matched with the lower shell, the cover and the elastic piece to form a locking mechanism for locking the cover; the cover is locked and fixed by the pin when the cover is opened, and the pin is pulled away to enable the cover to be buckled, so that the problem that the existing connector shell cannot have the two states of automatic cover returning and positioning of the cover is solved.

Description

Connector protective shell

Technical Field

The invention belongs to the technical field of connector equipment, and particularly relates to a connector protective shell.

Background

The connector generally adopts electrified magnetism shielding shell or protective housing, and present connector shell generally includes casing and lid down, and the lid lock of connector still reaches certain sealed grade when casing down is last simultaneously, consequently, is equipped with the sealing member between last casing down, then contradicts the lock with the lid through elastic component or closure on casing down.

The connector protective housing on the existing market can not have the functions that the cover can automatically return to the cover and position two states, or only can only automatically return to the cover, or only can only be positioned, and the performance of uncovering operation and automatic sealing after operation can not be well realized.

Disclosure of Invention

The invention aims to provide a connector protective shell to solve the problem that the existing connector shell cannot have two states of automatic cover returning and positioning.

The specific scheme is as follows: the connector protective shell comprises a lower shell and a cover, wherein the lower shell and the cover are respectively provided with a pivoting part and are pivotally arranged and installed through a pivoting shaft, the pivoting parts of the lower shell and the cover and the pivoting shaft form a turnover mechanism, and the cover is buckled on the lower shell and is an initial position of the cover; the method is characterized in that: the turnover mechanism is provided with a first turnover direction for opening the cover and a second turnover direction for closing the cover; the pin is movably arranged on the pivoting part of one of the lower shell or the cover and is provided with a first movable position and a second movable position;

the pin joint part of the cover overturns to a certain angle relative to the pin joint part of the lower shell in a first overturning direction, the pin moves to a second moving position from the first moving position, and the other pin joint part is limited to avoid overturning towards the second overturning direction.

Furthermore, one of the pivoting parts of the lower shell and the cover is a pivoting seat, and the other pivoting part of the lower shell and the cover is a pivoting rod which is pivotally connected to the pivoting seat through the pivoting shaft, so that the lower shell, the cover, the pivoting seat, the pivoting rod and the pivoting shaft form the turnover mechanism; the pin is arranged in the mounting hole and slides along the mounting hole to have the first movable position and the second movable position.

Furthermore, one end of the mounting hole is disposed toward the pivot rod, the first movable position is a position where one end of the pin toward the pivot rod does not exceed a surface formed by the swinging movement of the pivot rod, and the second movable position is a position where one end of the pin toward the pivot rod protrudes toward the pivot rod so that the pin partially overlaps the surface formed by the swinging movement of the pivot rod.

Further, the pin is moved from the first movable position to the second movable position along the mounting hole to form a pin movable channel; when the cover is located at the initial position, the pivoting rod is at least partially overlapped and seals the pin movable channel, and before the turnover mechanism is turned over to a certain angle in the first turnover direction, the pivoting rod is at least partially overlapped and seals the pin movable channel all the time so as to limit the pin.

Furthermore, the turnover mechanism also comprises an elastic piece which acts on the turnover mechanism to apply a force turning towards the second turnover direction to the turnover mechanism.

Furthermore, the elastic element is a torsion spring sleeved on the pivot shaft, and two swing arms of the torsion spring respectively abut against the lower shell and the cover so as to apply an acting force on the cover to rotate around the pivot shaft in a second turning direction to be buckled on the lower shell.

Furthermore, when the turnover mechanism swings 120 degrees in a turnover mode in the first turnover direction, the pivot rod is completely separated from the opening end of the mounting hole, and the pin moving channel is opened so as to cancel the limit of the pin.

Furthermore, the pin is a step shaft and comprises an operating end with a smaller outer diameter and a working end with a larger outer diameter, and the mounting hole is a step hole matched with the pin; the pin is installed in the installation hole in a mode that the working end faces the pivoting rod and the operating end deviates from the pivoting rod, so that the pin is movably installed on the pivoting seat, and the operating end protrudes out of the pivoting seat to facilitate manual operation.

Furthermore, a locking buckle is arranged on the lower shell, and the locking buckle is pivoted on the lower shell; the cover is provided with a clamping part corresponding to the locking buckle, and the locking buckle is rotated to be clamped on the clamping part so as to complete the locking and fixing of the cover.

Furthermore, two clamping parts are arranged on two sides of the cover respectively; the locking buckle is arc-shaped corresponding to the clamping part to form a self-locking mechanism with the clamping part.

The elastic piece is arranged, so that the elastic piece acts on the cover and applies an acting force which rotates around a shaft to the cover to be buckled on the lower shell; the cover is buckled on the lower shell and is in an initial position; a pin is also arranged and is movably arranged on the lower shell or the cover, and the pin is matched with the lower shell, the cover and the elastic piece to form a locking mechanism for locking the cover; the cover is locked and fixed by the pin when the cover is opened, and the pin is pulled away to enable the cover to be buckled, so that the problem that the existing connector shell cannot have the two states of automatic cover return and positioning of the cover is solved.

Drawings

FIG. 1 shows a side view of an embodiment of the present invention;

FIG. 2 is a schematic view showing a structure of the cover of FIG. 1 in an open state;

FIG. 3 shows a partial enlarged view of FIG. 2A;

FIG. 4 is a schematic view showing a snap-fit structure of the cap of FIG. 1;

FIG. 5 shows a partial enlarged view at FIG. 4B;

FIG. 6 is a schematic view of the cover of FIG. 1 in a locked and secured configuration;

fig. 7 is a partially enlarged view of fig. 6C.

Detailed Description

To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

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

Referring to fig. 1 to 3, the connector protective housing of this embodiment includes a lower housing 1, a cover 2, a torsion spring 4 as an elastic member, a pivot shaft 3, and a pin 5.

A pivoting seat 11 is disposed on a side wall of one end of the lower housing 1, the pivoting seat 11 serves as a pivoting portion of the lower housing 1, a pivoting rod 21 is formed on the lid 2 extending toward the pivoting seat 11, the pivoting rod 21 serves as a pivoting portion of the lid 2, and the pivoting shaft 3 sequentially penetrates through the pivoting seat 11 and the pivoting rod 21, so that the pivoting rod 21 is pivotally connected to the pivoting seat 11, that is, the lid 2 is pivotally mounted on the lower housing 1, and the lid 2, the pivoting rod 21, the pivoting seat 11, the pivoting shaft 3 and the lower housing 1 form a turnover mechanism.

Defining the turnover mechanism to enable the turnover direction of the opening of the cover 2 to be a first turnover direction and enable the direction of the closing of the cover 2 to be a second turnover direction; the position where the cover 2 is fastened to the lower housing 1 is the initial position of the cover 2.

The torsion spring 4 is a double torsion spring, the torsion spring 4 is sleeved on the pivot shaft 3, and two swing arms of the torsion spring 4 respectively abut against the lower shell 1 and the cover 2 so as to apply an acting force on the cover 2 to rotate around the pivot shaft 3 to be buckled on the lower shell 1, so that the turnover mechanism rotates in a second turnover direction, automatic cover returning is realized through elastic deformation of the torsion spring 4, and the state of the cover 2 buckled on the lower shell 1 is an initial position. The lid 2 can be automatically put in place and can achieve the sealing grade of IP 54.

In order to further improve the sealing grade, the lower shell 1 is also provided with a locking buckle 6, and the locking buckle 6 comprises two swing rods which are respectively pivoted on two sides of the lower shell 1 and a connecting rod which is connected with the two swing rods; the locking buckle 6 is pivotally arranged on the lower shell 1 through the two swing rods; the cover 2 is provided with two clamping parts 22 corresponding to the two swing rods of the locking buckle 6, in this embodiment, two clamping parts 22 are respectively arranged at two sides of the cover 2; the swing rod of the locking buckle 6 corresponding to the position of the clamping portion 22 is arc-shaped, the locking buckle 6 is rotated to clamp the swing rod on the clamping portion 22 to form a self-locking mechanism with the clamping portion 22, the locking and fixing of the cover 2 are completed, and the sealing grade can reach IP67.

Further, the lower case 1 further includes a locking elastic member acting on the locking buckle 6 to apply a force to the locking buckle 6 to rotate toward the engaging portion 22.

The pin 5 can be movably mounted on the lower housing 1 or the cover 2, and cooperates with the lower housing 1, the cover 2 and the elastic element 4 to form a locking mechanism for locking the cover 2, in this embodiment, specifically:

the pin joint seat 11 is provided with a mounting hole, and the pin 5 is arranged in the mounting hole to realize movable mounting on the lower shell 1; in this embodiment, the end of the pin 5 facing the pivot rod 21 is immersed in the mounting hole to be in an initial state, and when the cover 2 is separated from the initial position, the locking mechanism is locked by moving the pin 5 along the mounting hole to abut against the pivot rod 21 of the cover; unlocking of the locking mechanism is achieved by resetting the pin 5.

Combining fig. 4 and 5:

when the cover 2 is located at the initial position, the pin 5 is located at the initial position, most of the pivoting rod 21 is overlapped with the pivoting seat 11, and the pivoting rod 21 is at least partially closed at the opening end of the mounting hole, so that the pin 5 is limited by the pivoting rod 21 and cannot protrude out; the effect of preventing the misoperation of the pin is achieved.

At this time, the locking buckle 6 is in a locked state, and the cover 2 is buckled on the lower shell 1 under the action of the torsion spring 4.

Combining fig. 6 and fig. 7:

the locking fastener 6 is opened and the cover 2 is swung around the pivot shaft 3 by a certain angle, in this embodiment, when the cover 2 swings around the pivot shaft 3 by not less than 120 °, the pivot rod 21 is completely separated from the opening end of the mounting hole, so as to cancel the limit to the pin 5.

Then, the pin 5 is pushed along the mounting hole, so that the pin 5 partially protrudes into the swing motion stroke of the pivoting rod 21 in the resetting motion of the cover 2, and after the cover 2 is released, the pivoting rod 21 abuts against the pin under the action of the torsion spring 4, and the locking of the locking mechanism is realized.

Further, in this embodiment, the pin 5 is a stepped shaft, and includes an operating end with a smaller outer diameter and a working end with a larger outer diameter, and the mounting hole of the pivot seat 11 is a stepped hole adapted to the pin 5; the pin 5 is installed in the installation hole in a manner that the working end faces the pivoting rod 21 and the operating end faces away from the pivoting rod 21, so that the pin 5 is movably installed on the pivoting seat 11, and the operating end protrudes out of the pivoting seat 11 for manual operation.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The connector protective shell comprises a lower shell and a cover, wherein the lower shell and the cover are respectively provided with a pivoting part and are pivotally arranged and installed through a pivoting shaft, the pivoting parts of the lower shell and the cover and the pivoting shaft form a turnover mechanism, and the cover is buckled on the lower shell and is an initial position of the cover; the method is characterized in that: the turnover mechanism is provided with a first turnover direction for opening the cover and a second turnover direction for closing the cover; the pin is movably arranged on the pivoting part of one of the lower shell or the cover and is provided with a first movable position and a second movable position;

the pivoting part of the cover is turned to a certain angle relative to the pivoting part of the lower shell in a first turning direction, the pin moves from the first movable position to the second movable position, and the other pivoting part is limited to avoid turning in a second turning direction;

one of the pivoting parts of the lower shell and the cover is a pivoting seat, and the other pivoting part of the lower shell and the cover is a pivoting rod which is pivoted on the pivoting seat through the pivoting shaft, so that the lower shell, the cover, the pivoting seat, the pivoting rod and the pivoting shaft form the turnover mechanism; the pin is arranged in the mounting hole, and slides along the mounting hole to form a first movable position and a second movable position;

one end of the mounting hole is arranged towards the pivoting rod, the first movable position is that the position of one end of the pin towards the pivoting rod does not exceed the surface formed by the swinging movement of the pivoting rod, and the second movable position is that the pin protrudes towards one end of the pivoting rod towards the pivoting rod so as to ensure that the pin is partially overlapped with the surface formed by the swinging movement of the pivoting rod;

the pin is moved from the first movable position to the second movable position along the mounting hole to form a pin movable channel; when the cover is at the initial position, the pin joint rod is at least partially overlapped and seals the pin movable channel, and before the turnover mechanism is turned over to a certain angle in the first turnover direction, the pin joint rod is at least partially overlapped and seals the pin movable channel all the time so as to limit the pin.

2. The connector protective case of claim 1, wherein: the turnover mechanism is characterized by also comprising an elastic piece, wherein the elastic piece acts on the turnover mechanism to apply an acting force turning towards a second turnover direction to the turnover mechanism.

3. The connector protective housing of claim 2, wherein: the elastic element is a torsion spring sleeved on the pivot shaft, and two swing arms of the torsion spring respectively abut against the lower shell and the cover so as to apply an acting force on the cover to rotate around the pivot shaft in a second turning direction to be buckled on the lower shell.

4. The connector protective housing of claim 1, wherein: when the turnover mechanism turns and swings 120 degrees in the first turnover direction, the pivot rod is completely separated from the opening end of the mounting hole, and the pin movable channel is opened to cancel the limit of the pin.

5. The connector protective housing of claim 1, wherein: the pin is a step shaft and comprises an operating end with a smaller outer diameter and a working end with a larger outer diameter, and the mounting hole is a step hole matched with the pin; the pin is installed in the installation hole in a mode that the working end faces the pivoting rod and the operating end deviates from the pivoting rod, so that the pin is movably installed on the pivoting seat, and the operating end protrudes out of the pivoting seat to facilitate manual operation.

6. The connector protective case of claim 1, wherein: the lower shell is also provided with a locking buckle which is pivoted and arranged on the lower shell; the cover is provided with a clamping part corresponding to the locking buckle, and the locking buckle is rotated to be clamped on the clamping part so as to complete locking and fixing of the cover.

7. The connector protective case of claim 6, wherein: the two clamping parts are respectively arranged on two sides of the cover; the locking buckle is arc-shaped corresponding to the clamping part to form a self-locking mechanism with the clamping part.