阅读说明：本技术 一种带有保护电路的连接器 (Connector with protection circuit ) 是由 邹立进 张伙强 郭小萍 于 2019-11-19 设计创作，主要内容包括：本发明涉及带有保护电路的连接器,设置有外壳体,外壳体通过容置腔安装有熔断器组件,熔断器组件的熔断器底座设置一侧开口的安装槽,熔断器可拆安装在该安装槽内；同时,外壳体上设置窗口部,窗口部可拆安装有密封盖,使安装槽的开口朝向窗口部,则通过密封盖的拆装,即实现了熔断器的简易更换维护或者安装操作,克服了熔断器维护困难的技术难点,解决了连接器产品不具有电路保护功能的问题。(The invention relates to a connector with a protection circuit, which is provided with an outer shell, wherein a fuse assembly is arranged on the outer shell through an accommodating cavity, a fuse base of the fuse assembly is provided with a mounting groove with an opening at one side, and a fuse can be detachably mounted in the mounting groove; simultaneously, set up the window portion on the shell body, window portion demountable installation has sealed lid, makes the opening of mounting groove towards the window portion, then through the dismouting of sealed lid, has realized the simple and easy change of fuse promptly and has maintained or the installation operation, has overcome the technical difficulty that the fuse maintained the difficulty, has solved the problem that the connector product does not have circuit protection function.)

1. A connector with a protection circuit comprises an outer shell, wherein an accommodating cavity is arranged in the outer shell, and a fuse assembly is also arranged in the accommodating cavity; its characterized in that, the fuse subassembly includes fuse base, fuse and conductive terminal:

the fuse base comprises a mounting groove, and the two ends of the length of the mounting groove are respectively provided with the conductive terminal; the fuse is arranged in the mounting groove and is electrically connected to the two conductive terminals on two sides;

a window part is further arranged on the outer shell body corresponding to the fuse, and a sealing cover is detachably arranged on the window part;

the mounting groove is provided with a notch portion facing the opening of the window portion, so that the fuse can be mounted and/or replaced through the window portion.

2. The connector of claim 1, wherein:

the conductive terminal comprises a wiring end and a clamping end, and the clamping end is provided with an elastic clamping jaw; the clamping jaw elastically hoops the end position of the fuse to realize electric connection.

3. The connector of claim 1, wherein: the fuse base is locked and fixed on the inner wall of the side, which is far away from the window part, of the outer shell;

still be equipped with a trough on the shell body, the trough is located fuse base deviates from one side of window portion.

4. The connector of claim 1, wherein: on the fuse base, a plurality of groups of mounting grooves are arranged side by side; each the position that corresponds on the mounting groove fuse main part all is equipped with a breach portion.

5. The connector of claim 1, wherein: the upper end and the lower end of the accommodating cavity are also provided with a first wire passing port and a second wire passing port, and the fuse assembly is arranged between the first wire passing port and the second wire passing port;

the cable is connected to the first wire passing port and extends to form a plurality of cable cores towards the accommodating cavity; the cable core wire extends out of the accommodating cavity from the second wire passing port;

at least one of said cable cores is present: and one two conductive terminals of the mounting groove are connected into the cable core wire so as to realize the fusing protection of the cable core wire.

6. The connector according to any one of claims 1 to 5, wherein the outer housing comprises an upper housing and an intermediate housing connected to a lower end of the upper housing:

an opening is formed in the lower end of the upper shell, and the fuse assembly is arranged in the upper shell through the opening; the window part is arranged on the upper shell;

the sealing cover is provided with a positioning boss inserted in the window part at a position corresponding to the window part, and a sealing ring surrounding the window part is arranged between the outer wall surface of the upper shell and the wall surface of the sealing cover.

7. The connector of claim 6, wherein: the sealing cover is made of transparent or approximately transparent plastic materials.

8. The connector of claim 6, wherein the upper shell and the middle shell are adapted to form a connecting flange for locking connection by a bolt assembly:

a sealing gasket is arranged between the upper shell and the middle shell, and a positioning boss-sink groove structure penetrating through the sealing gasket is further arranged on the end face of the upper shell adjacent to the middle shell so as to realize accurate alignment.

9. The connector of claim 6, wherein: and a wiring frame for fixing the module plug connector is also arranged in the middle shell.

10. The connector of claim 6, wherein: the lower shell piece is arranged below the middle shell; be equipped with two fasteners between middle shell and the inferior valve member, two fasteners pivot is located on one of them of middle shell or inferior valve member, and the hook connects on another.

Technical Field

The invention belongs to the technical field of connector manufacturing, and particularly relates to a connector which has a circuit protection function, can realize automatic fusing protection under high voltage or high current and is simple and convenient to maintain.

Background

Generally, a fuse is connected to an electric circuit and has a fusible element that can be cut by being melted by heat generated when an overcurrent flows through the electric circuit. Thus, the fuse serves to automatically prevent an overcurrent from flowing through the circuit.

Disclosure of Invention

The invention aims to provide a connector with a protection circuit, which solves the problem that the existing connector product does not have a circuit protection function.

The specific scheme is as follows: a connector with a protection circuit comprises an outer shell, wherein an accommodating cavity is arranged in the outer shell, and a fuse assembly is also arranged in the accommodating cavity; the fuse assembly includes fuse base, fuse and conductive terminal:

the fuse base comprises a mounting groove, and the two ends of the length of the mounting groove are respectively provided with the conductive terminal; the fuse is arranged in the mounting groove and is electrically connected to the two conductive terminals on two sides;

a window part is further arranged on the outer shell body corresponding to the fuse, and a sealing cover is detachably arranged on the window part;

the mounting groove is provided with a notch portion facing the opening of the window portion, so that the fuse can be mounted and/or replaced through the window portion.

The further technical scheme of the invention is as follows: the conductive terminal comprises a wiring end and a clamping end, and the clamping end is provided with an elastic clamping jaw; the clamping jaw elastically hoops the end position of the fuse to realize electric connection.

The further technical scheme of the invention is as follows: the fuse base is locked and fixed on the inner wall of the side, which is far away from the window part, of the outer shell;

still be equipped with a trough on the shell body, the trough is located fuse base deviates from one side of window portion.

The further technical scheme of the invention is as follows: on the fuse base, a plurality of groups of mounting grooves are arranged side by side; each the position that corresponds on the mounting groove fuse main part all is equipped with a breach portion.

The further technical scheme of the invention is as follows: the upper end and the lower end of the accommodating cavity are also provided with a first wire passing port and a second wire passing port, and the fuse assembly is arranged between the first wire passing port and the second wire passing port;

the cable is connected to the first wire passing port and extends to form a plurality of cable cores towards the accommodating cavity; the cable core wire extends out of the accommodating cavity from the second wire passing port;

at least one of said cable cores is present: and one two conductive terminals of the mounting groove are connected into the cable core wire so as to realize the fusing protection of the cable core wire.

The further technical scheme of the invention is as follows: the outer shell comprises an upper shell and a middle shell connected to the lower end of the upper shell:

an opening is formed in the lower end of the upper shell, and the fuse assembly is arranged in the upper shell through the opening; the window part is arranged on the upper shell;

the position of the sealing cover corresponding to the window part is provided with a positioning boss inserted in the window part, and a sealing ring surrounding the window part is arranged between the outer wall surface of the upper shell and the wall surface of the sealing cover.

The further technical scheme of the invention is as follows: the sealing cover is made of transparent or approximately transparent plastic materials.

The further technical scheme of the invention is as follows: the upper shell and the middle shell are matched to form a connecting flange to be connected in a locking mode through a bolt assembly:

a sealing gasket is arranged between the upper shell and the middle shell, and a positioning boss-sink groove structure penetrating through the sealing gasket is further arranged on the end face of the upper shell adjacent to the middle shell so as to realize accurate alignment.

The further technical scheme of the invention is as follows: and a wiring frame for fixing the module plug connector is also arranged in the middle shell.

The further technical scheme of the invention is as follows: the lower shell piece is arranged below the middle shell; a double fastener is arranged between the middle shell and the lower shell, the double fastener is pivoted on one of the middle shell or the lower shell, and the double fastener is hooked on the other double fastener.

Has the advantages that: the connector is provided with an outer shell, the outer shell is provided with a fuse assembly through an accommodating cavity, a fuse base of the fuse assembly is provided with a mounting groove with an opening at one side, and a fuse can be detachably mounted in the mounting groove; simultaneously, set up the window portion on the shell body, window portion demountable installation has sealed lid, makes the opening of mounting groove towards the window portion, then through the dismouting of sealed lid, has realized the simple and easy change of fuse promptly and has maintained or the installation operation, has overcome the technical difficulty that the fuse maintained the difficulty, has solved the problem that the connector product does not have circuit protection function.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a connector with circuit protection according to the present invention;

FIG. 2 shows a schematic diagram of the preliminary explosion structure of FIG. 1;

FIG. 3 shows a schematic view of FIG. 2 in a further exploded view;

FIG. 4 is a schematic view showing a detachable structure of the sealing cover of FIG. 1;

FIG. 5 shows a cross-sectional view of the upper housing with the electrical cable installed;

FIG. 6 shows a cross-sectional view of the cross-section B-B of FIG. 5;

FIG. 7 shows a top view of the intermediate housing;

FIG. 8 shows a cross-sectional view of the middle housing coupled to the upper housing;

fig. 9 is a schematic structural diagram of a second embodiment of the connector with circuit protection according to the present invention.

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 accompanying drawings and detailed description.