CN212412675U

CN212412675U - Sensor explosion-proof junction box

Info

Publication number: CN212412675U
Application number: CN202020746525.0U
Authority: CN
Inventors: 何雪松
Original assignee: Xiamen Yigan Intelligent Measurement & Control Technique Co ltd
Current assignee: Xiamen Yigan Intelligent Measurement & Control Technique Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-01-26
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses an explosion-proof terminal box of sensor, including main box body, its characterized in that, the first nut of bottom outside fixedly connected with of main box body, the first interface of bottom fixedly connected with of main box body, the top of main box body are equipped with the box body, go up the top fixedly connected with second nut of box body, the top fixedly connected with third nut of second nut, and the top of second nut is equipped with the box cap, the utility model discloses the beneficial effect who reaches is: the utility model discloses a compact structure, the practicality is strong, go up the box body and carry out threaded connection through second interface and main box body, be convenient for install and dismantle last box body, the box cap carries out threaded connection through third interface and third nut, be convenient for install and dismantle the box cap, thereby can prevent outside moisture or moisture infiltration from causing the circuit short circuit through first rubber pad and second rubber pad, the outside of first interface is equipped with the external screw thread, be convenient for better be connected with external equipment.

Description

Sensor explosion-proof junction box

Technical Field

The utility model relates to an explosion-proof terminal box, in particular to explosion-proof terminal box of sensor belongs to explosion-proof terminal box field.

Background

Explosion-proof junction boxes are typically made of cast metal. The explosion-proof box is used under the environment of explosion gas, even if circuit sparks exist in the box, or some explosion-proof gas permeates in the box, small-range explosion occurs under the action of the sparks, the box can withstand the conditions, and the explosion of a large environment caused by the fact that the box is not firm and is broken and the fire light is leaked to the environment can be avoided. In the use of sensor, often need explosion-proof terminal box to come to carry out transitional coupling to the circuit, because often in some narrow and small spaces in the use of sensor, current explosion-proof terminal box is mostly oversize, and does not exquisite enough to do, is unsuitable for narrow and small space to use, can't play practical pleasing to the eye effect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide the explosion-proof terminal box of sensor.

In order to solve the technical problem, the utility model provides an explosion-proof terminal box of sensor, including the main box body, its characterized in that, the first nut of bottom outside fixedly connected with of main box body, the first interface of bottom fixedly connected with of main box body, the top of main box body is equipped with the box body, the top fixedly connected with second nut of going up the box body, the top fixedly connected with third nut of second nut, the top of second nut is equipped with the box cap.

As a preferred scheme of the utility model, the bottom fixedly connected with second interface of going up the box body, the first rubber pad of top outside fixedly connected with of second interface, the top of main box body is excavated and is had the internal thread that corresponds with the second interface, it carries out threaded connection with main box body through the second interface to go up the box body.

As a preferred scheme of the utility model, the outside fixedly connected with fourth nut of box cap, the bottom fixedly connected with third interface of box cap, the top outside fixedly connected with second rubber pad of third interface, the inside of third nut is cut and chiseled the internal thread that has the relativity with the third interface, the box cap carries out threaded connection through third interface and third nut.

As an optimal scheme of the utility model, the diameter of first rubber pad is the same with the diameter of last box body bottom.

As a preferred scheme of the utility model, the diameter of second rubber pad is the same with the diameter of box cap bottom.

As an optimized scheme of the utility model, the outside of first interface is equipped with the external screw thread.

As a preferred scheme of the utility model, main box body and last box body all adopt 304 stainless steel to make and form.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a compact structure, the practicality is strong, go up the box body and carry out threaded connection through second interface and main box body, be convenient for install and dismantle last box body, the box cap carries out threaded connection through third interface and third nut, be convenient for install and dismantle the box cap, thereby can prevent outside moisture or moisture infiltration from causing the circuit short circuit through first rubber pad and second rubber pad, the outside of first interface is equipped with the external screw thread, be convenient for better be connected with external equipment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is an enlarged view of a in fig. 2.

In the figure; 1. a main box body; 2. a first nut; 3. a first interface; 4. an upper box body; 5. a second nut; 6. a first rubber pad; 7. a third nut; 8. a box cap; 9. a second interface; 10. a fourth nut; 11. a third interface; 12. and a second rubber pad.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the utility model provides an explosion-proof terminal box of sensor, including main box body 1, its characterized in that, the first nut 2 of the bottom outside fixedly connected with of main box body 1, the first interface 3 of the bottom fixedly connected with of main box body 1, the top of main box body 1 is equipped with box body 4, goes up the top fixedly connected with second nut 5 of box body 4, the top fixedly connected with third nut 7 of second nut 5, and the top of second nut 5 is equipped with box cap 8.

Further, go up the bottom fixedly connected with second interface 9 of box body 4, the first rubber pad 6 of top outside fixedly connected with of second interface 9, the top of main box body 1 is dug and is had the internal thread that corresponds with second interface 9, goes up box body 4 and carries out threaded connection through second interface 9 and main box body 1, is convenient for install and dismantle last box body 4.

Further, the outside fixedly connected with fourth nut 10 of box cap 8, the bottom fixedly connected with third interface 11 of box cap 8, the top outside fixedly connected with second rubber pad 12 of third interface 11, the inside of third nut 7 is opened and chiseled the internal thread with third interface 11 relativity, box cap 8 carries out threaded connection through third interface 11 and third nut 7, is convenient for install and dismantle box cap 8.

Further, the diameter of first rubber pad 6 is the same with the diameter of last box body 4 bottom, plays better sealed effect when being convenient for close last box body 4, prevents that outside moisture or moisture from the gap infiltration of last box body 4 and main box body 1 to cause the circuit short circuit.

Further, the diameter of second rubber pad 12 is the same with the diameter of box cap 8 bottom, plays better sealed effect when being convenient for close box cap 8, prevents that outside moisture or moisture from the gap infiltration of box cap 8 and last box body 4 to arouse the circuit short circuit.

Furthermore, the outer side of the first interface 3 is provided with an external thread, so that the connection with external equipment is facilitated.

Furthermore, the main box body 1 and the upper box body 4 are both made of 304 stainless steel, so that the high-voltage switch box has good corrosion resistance, heat resistance, low-temperature strength and mechanical characteristics, and is convenient for achieving a better protection effect on a circuit.

Specifically, firstly, a wrench is used for opening the box cap 8 by screwing the fourth nut 10, then the wrench is used for screwing the second nut 5 for opening the upper box body 4, firstly, the sensor connecting wire penetrates through the middle of the box cap 8, then the sensor connecting wire penetrates into the lower part of the upper box body 4 through the third nut 7, then the external equipment connecting wire penetrates through the middle of the first interface 3 below the first nut 2 and is pulled to the upper part of the main box body 1, then two lines are connected and wrapped by insulating tapes, then the box cap 8 is closed and is screwed through the wrench, then the upper box body 4 is closed and is screwed through the wrench, thus the short circuit caused by external moisture or moisture infiltration can be prevented through the first rubber pad 6 and the second rubber pad 12, and finally, the explosion-proof box connected with the external equipment is in threaded connection through the first interface 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Sensor explosion-proof terminal box, including main box body (1), its characterized in that, the first nut of bottom outside fixedly connected with (2) of main box body (1), the first interface of bottom fixedly connected with (3) of main box body (1), the top of main box body (1) is equipped with box body (4), the top fixedly connected with second nut (5) of going up box body (4), the top fixedly connected with third nut (7) of second nut (5), the top of second nut (5) is equipped with box cap (8).

2. The explosion-proof terminal box of sensor according to claim 1, characterized in that a second interface (9) is fixedly connected to the bottom of the upper box body (4), a first rubber gasket (6) is fixedly connected to the outer side of the top of the second interface (9), an internal thread corresponding to the second interface (9) is cut at the top of the main box body (1), and the upper box body (4) is in threaded connection with the main box body (1) through the second interface (9).

3. The explosion-proof terminal box of sensor according to claim 1, characterized in that a fourth nut (10) is fixedly connected to the outer side of the box cap (8), a third interface (11) is fixedly connected to the bottom of the box cap (8), a second rubber pad (12) is fixedly connected to the outer side of the top of the third interface (11), an internal thread opposite to the third interface (11) is cut in the third nut (7), and the box cap (8) is in threaded connection with the third nut (7) through the third interface (11).

4. The explosion-proof terminal box of sensor according to claim 2, characterized in that the diameter of the first rubber pad (6) is the same as the diameter of the bottom of the upper box (4).

5. Sensor explosion-proof terminal box according to claim 3, characterized in that the diameter of the second rubber mat (12) is the same as the diameter of the bottom of the box cap (8).

6. The explosion-proof terminal box of a sensor according to claim 1, characterized in that the outside of the first interface (3) is provided with an external thread.

7. The explosion-proof terminal box of sensor according to claim 1, characterized in that the main box body (1) and the upper box body (4) are both made of 304 stainless steel.