CN219018385U

CN219018385U - Novel explosion-proof type terminal box

Info

Publication number: CN219018385U
Application number: CN202222200031.4U
Authority: CN
Inventors: 来振; 李庆山; 来海丰; 张道洋; 玉佳彬; 谢超群; 李博; 陈振强; 高欣; 游洋; 刘欢; 方万里; 吴迪
Original assignee: Wolong Electric Nanyang Explosion Proof Group Industrial Drive Co ltd
Current assignee: Wolong Electric Nanyang Explosion Proof Group Industrial Drive Co ltd
Priority date: 2022-08-20
Filing date: 2022-08-20
Publication date: 2023-05-12
Anticipated expiration: 2032-08-20

Abstract

The utility model discloses a novel explosion-proof junction box which comprises a box body, a cover body, a transition plate, a wiring structure and an outlet. The junction box body has an upper opening and a lower opening. The cover body covers the upper opening of the box body. The transition plate covers the lower opening of the box body. The box body, the cover body and the transition plate together form a wiring cavity capable of accommodating the wiring structure. The wiring structure comprises a high boss, a wiring board and a wiring bolt. The high boss is fixedly arranged on the upper surface of the transition plate; the wiring board has a height from the transition plate at the bottom of the cavity under the support of the high boss. The wiring bolt is fixedly connected with the wiring board. The outlet is arranged at one side of the box body. According to the utility model, the high boss is arranged in the cavity of the box body from two aspects of the cavity and the electric gap, so that the installation height of the wiring board is raised, the wiring position of the wiring board is basically kept horizontal with the wire outlet, the wiring convenience of a user is improved, meanwhile, a vertical space is reserved for the lead to be connected into the wiring board, and the minimum bent angle of the lead is ensured.

Description

Novel explosion-proof type terminal box

Technical Field

The utility model relates to the technical field of junction boxes, in particular to a novel explosion-proof junction box.

Background

In the occasion of using the motor, the user is for the security of explosion-proof terminal box to guarantee the purpose of motor processing normal operating condition, for this problem of solving, in order to practice thrift the cost, explosion-proof product enterprise generally adopts the plastic spraying antistatic design, increases the security of explosion-proof terminal box, simultaneously in order to practice thrift the cost, makes the volume of explosion-proof terminal box generally fall off, has reduced the convenience of inside and outside wiring.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, solve the problems of reducing convenience and safety of internal and external wiring due to smaller size of a junction box, and provide a novel explosion-proof junction box.

The aim of the utility model is achieved by the following technical scheme:

a novel explosion-proof junction box comprises a box body, a cover body, a transition plate and a junction structure.

The box body is provided with an upper opening, a lower opening and an outlet, the cover body seals the upper opening of the box body, the transition plate seals the lower opening of the box body, and the box body, the cover body and the transition plate jointly form a wiring cavity capable of containing a wiring structure.

The wiring structure comprises a high boss, a wiring board and a wiring bolt, wherein the high boss is fixedly arranged on the upper surface of the transition board; the wiring board is supported by the high boss, has a certain height from the transition plate at the bottom of the cavity, and is basically kept horizontal with the wire outlet, and the wiring bolt is fixedly connected with the wiring board.

In a further scheme, the cross section area of the cover body is larger than the area of the opening on the box body, and the edge of the cover body is provided with a groove for clamping or wrapping the opening of the cavity.

In a further scheme, a plurality of threading holes are formed in the transition plate.

Still further, the wiring structure further includes wiring board copper connectors disposed at both ends of the wiring board.

In a further scheme, the wiring board is an insulating board.

In a further aspect, the junction of the terminal block and the terminal bolt has an embedded metal ring perpendicular to the terminal block.

In a further scheme, a U-shaped clamping groove is reserved at the bottom of the wiring bolt.

In a further scheme, the bottom of the box body is also provided with a grounding plate.

In a further scheme, the upper surface of the grounding plate is provided with a grounding mark.

In a further scheme, each mounting groove in the box body and the cover body is provided with a pre-cast sealing ring groove.

The utility model has the following advantages:

according to the utility model, the high boss is arranged in the cavity of the box body from two aspects of the cavity and the electric gap, so that the installation height of the wiring board is raised, the wiring position of the wiring board is basically kept horizontal with the wire outlet, the wiring convenience of a user is improved, meanwhile, a vertical space is reserved for the lead to be connected into the wiring board, and the minimum bent angle of the lead is ensured.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model

FIG. 2 is a schematic view showing a sectional structure in the B-B direction in FIG. 1 according to the present utility model

FIG. 3 is a schematic view showing a sectional structure in the A-A direction in FIG. 1 according to the present utility model

In the figure, a 1-box body, a 2-cover body, a 3-transition plate, a 4-high boss, a 5-wiring board, a 6-wiring bolt, a 7-wiring board copper joint, an 8-metal ring, a 9-U-shaped clamping groove and a 10-sealing ring groove

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

as shown in fig. 1 to 3, a novel explosion-proof junction box comprises a box body 1, a cover body 2, a transition plate 3 and a wiring structure, wherein the box body 1 is provided with an upper opening, a lower opening and a wire outlet. The cover body 2 seals the upper opening of the box body 1, the transition plate 3 seals the lower opening of the box body 1, and the box body 1, the cover body 2 and the transition plate 3 jointly form a wiring cavity capable of containing a wiring structure.

The wiring structure comprises a high boss 4, a wiring board 5 and a wiring bolt 6, wherein the high boss 4 is fixedly arranged on the upper surface of the transition board 3; the wiring board 5 has a certain height from the cavity bottom transition board 3 under the support of the high boss 4 and keeps basically horizontal with the outlet, and the wiring bolt 6 is fixedly connected with the wiring board 5.

According to the novel explosion-proof junction box disclosed by the embodiment, the high boss 4 with the preset height is arranged in the cavity of the box body 1, so that the installation height of the junction plate 5 is raised, the wiring position of the junction plate 5 is basically kept horizontal with an outlet, the wiring convenience of a user is improved, the vertical space is reserved for the lead to be connected into the junction plate 5, and the minimum bent angle of the lead is ensured.

As a preferred embodiment, the cross-sectional area of the cover 2 is larger than the area of the opening on the box 1, and the edge of the cover 2 is provided with a groove for clamping or wrapping the opening of the cavity. Preventing dust or water from entering the cavity.

As a preferred embodiment, the transition plate 3 is provided with a plurality of threading holes. At least two threading holes are formed, and after the electric wire penetrates from the threading holes, fillers are added between the threading holes and the electric wire to fix the electric wire and prevent the electric wire from sliding.

As a preferred embodiment, the wiring structure further comprises wiring board copper joints 7 provided at both ends of the wiring board 5.

As a preferred embodiment, the wiring board 5 is an insulating board.

As a preferred embodiment, the connection part of the wiring board 5 and the wiring bolt 6 is provided with an embedded metal ring 8 perpendicular to the wiring board 5, the wiring bolt 6 and the wiring board 5 are of an integral structure, the embedded metal ring 8 is added at the connection position of the wiring bolt 6 and the wiring board 5, and the wiring board 5 is prevented from being damaged when the moment of screwing in a nut is large.

As a preferred embodiment, a U-shaped clamping groove 9 is reserved at the bottom of the wiring bolt 6, and the U-shaped clamping groove 9 can directly clamp the connector lug, so that the complexity of a fastening structure is reduced.

As a preferred embodiment, the bottom of the box body 1 is further provided with a grounding plate, so that at most four grounding wires can be introduced.

As a preferred embodiment, the upper surface of the grounding plate is provided with a grounding mark. Meanwhile, the problems of poor quality and poor waste of the grounding mark of the casting are solved.

As a preferred embodiment, each mounting groove in the case body 1 and the cover body 2 is provided with a pre-cast sealing ring groove 10, and the sealing ring groove 10 is adopted to enlarge the diameter sealing ring structural design, so that the processing cost of the sealing groove is reduced, and the manufacturing efficiency is increased.

The working process of the utility model is as follows:

according to the utility model, in two aspects of the cavity of the box body 1 and the electric gap, the high boss 4 is arranged in the cavity of the box body 1, the insulator is arranged on the high boss 4, and the insulator is fixed on the upper part of the high boss 4 through the wiring bolt 6, so that the installation height of the wiring board 5 is raised, the wiring position of the wiring board 5 is basically kept horizontal with the wire outlet, the wiring convenience of a user is improved, meanwhile, a vertical space is reserved for the lead to be connected into the wiring board 5, and the minimum bent angle of the lead is ensured.

Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a novel explosion-proof formula terminal box, includes box body, lid, transition board, wiring structure, its characterized in that: the box body is provided with an upper opening, a lower opening and an outlet, the upper opening of the box body is covered by the cover body, the lower opening of the box body is covered by the transition plate, and the box body, the cover body and the transition plate jointly form a wiring cavity capable of accommodating a wiring structure;

2. The novel explosion-proof junction box according to claim 1, wherein: the cross section area of the cover body is larger than the area of the upper opening of the box body, and the edge of the cover body is provided with a groove for clamping or wrapping the opening of the cavity.

3. The novel explosion-proof junction box according to claim 1, wherein: and a plurality of threading holes are formed in the transition plate.

4. The novel explosion-proof junction box according to claim 1, wherein: the wiring structure further comprises wiring board copper connectors arranged at two ends of the wiring board.

5. The novel explosion-proof junction box according to claim 1, wherein: the wiring board is an insulating board.

6. A novel explosion-proof junction box according to claim 1 or 5, characterized in that: the junction of the wiring board and the wiring bolt is provided with an embedded metal ring perpendicular to the wiring board.

7. The novel explosion-proof junction box according to claim 1, wherein: the bottom of the wiring bolt is reserved with a U-shaped clamping groove.

8. The novel explosion-proof junction box according to claim 1, wherein: the bottom of the box body is also provided with a grounding plate.

9. The novel explosion-proof junction box of claim 8, wherein: the upper surface of the grounding plate is provided with a grounding mark.

10. The novel explosion-proof junction box according to claim 1, wherein each mounting groove in the box body and the cover body is provided with a pre-cast sealing ring groove.