CN214280899U

CN214280899U - Cable joint explosion-proof box that leakproofness is good

Info

Publication number: CN214280899U
Application number: CN202022793030.6U
Authority: CN
Inventors: 丁立峰
Original assignee: Jiangsu Huanhua Electric Power Technology Co ltd
Current assignee: Jiangsu Huanhua Electric Power Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-09-24
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a cable joint explosion-proof box that leakproofness is good, including last box body and lower box body, semicircular entrance hole has all been seted up with the bottom of lower box body one end to the bottom of going up box body one end, and semicircular wire hole has all been seted up with the bottom of the lower box body other end to the bottom of going up the box body other end, and the inner wall of going up the box body and the inner wall of lower box body are all fixed and are equipped with glass magnesium PLASTIC LAMINATED, go up the inside both ends of box body and the inside both ends of lower box body and all fix and are equipped with fire prevention glass, the beneficial effects of the utility model are that: the sliding block in the guide cylinder drives the connecting rod to move under the action of the connecting spring, so that the cable is clamped and fixed through the two corresponding arc-shaped clamping plates, and the position of the cable is prevented from deviating; can seal up entrance hole and outlet opening department through the sealed sponge that sets up, it is sealed effectual, can prevent the entering of moisture effectively to the cotton moisture that absorbs through setting up can get into box body and box body inside down absorbs.

Description

Cable joint explosion-proof box that leakproofness is good

Technical Field

The utility model relates to an explosion-proof box, in particular to cable joint explosion-proof box that leakproofness is good belongs to cable explosion-proof box technical field.

Background

Along with the continuous progress of society, the planning of urban development and the continuous improvement of industrial automation, also the increase that is continuous to the demand of electric energy, often need lay a large amount of cables at the large-scale transmission of far away, power supply unit or construction unit are usually with the middle explosion-proof box of cable that has fire prevention, waterproof, explosion-proof effect to carry out all-round protection to cable intermediate head, with cable intermediate head protection lock in explosion-proof casing. The explosion-proof box in the market at present is various, and the variety is various, but generally all has the defect that leakproofness is not good enough, and what the explosion-proof box protected is that the exposed position of cable joint, generally forms by box body and lid assembly, but the gap between the two can not get sealedly, can lead to the inside humidity of box body or advance grey to influence the working property of cable, reduced the life of cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable joint explosion-proof box that leakproofness is good to solve the not good problem of present explosion-proof box sealing effect that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cable joint explosion-proof box that leakproofness is good, includes box body and lower box body, go up the bottom of box body one end with semicircular entrance hole has all been seted up to the bottom of box body one end down, go up the bottom of the box body other end with semicircular wire hole has all been seted up to the bottom of the box body other end down, go up the inner wall of box body with the inner wall of box body all is fixed to be equipped with glass magnesium PLASTIC LAMINATED down, go up the inside both ends of box body with the inside both ends of box body are all fixed to be equipped with fire prevention glass down, semicircular through wires hole has been seted up on fire prevention glass's surface, go up the inside of box body with the inside of box body is fixed to be equipped with two fixed subassemblies down, the fixed energy release pipe that is equipped with in middle part on last box body top, the top block of energy release pipe is connected with the sealing plug.

As a preferred technical scheme of the utility model, two fixed subassembly all includes two guide cylinders, two connecting rods and two arc splint that alternate in the guide cylinder is inside, and is per two corresponding the guide cylinder is a set of, every group the guide cylinder is fixed the setting respectively go up the top inner wall of box body with the bottom inner wall of box body, every down the inside of guide cylinder all has a sliding block, four through connecting spring elastic connection the connecting rod is fixed respectively to be set up four one side of sliding block, four arc splint are fixed respectively to be set up four the one end of connecting rod.

As a preferred technical scheme of the utility model, go up the bottom of box body both sides side with the top of box body both sides side is all fixed down and is equipped with the connecting plate, and is per two corresponding the connecting plate all is through fixing bolt and fixation nut fixed connection.

As an optimized technical scheme of the utility model, the inner wall in entrance hole with the inner wall of wire hole is all fixed and is equipped with sealed sponge.

As an optimized technical scheme of the utility model, the heating panel is all inlayed to the both sides on last box body top.

As an optimized technical scheme of the utility model, the surface mounting of glass magnesium PLASTIC LAMINATED is equipped with the cotton that absorbs water.

As an optimized technical scheme of the utility model, go up the box body with the fixed sealed pad that is equipped with in junction of box body down.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a cable joint explosion-proof box with good sealing performance, a sliding block inside a guide cylinder drives a connecting rod to move under the action of a connecting spring, thereby clamping and fixing a cable through two corresponding arc-shaped clamping plates and preventing the position of the cable from deviating; the sealing sponge can seal the wire inlet hole and the wire outlet hole, has good sealing effect, can effectively prevent moisture from entering, and can absorb the moisture entering the upper box body and the lower box body through the arranged absorbent cotton; the energy is discharged through the arranged energy discharging pipe, after a cable intermediate joint is broken down or exploded due to a short circuit, the explosion impact force blows the sealing plug open to discharge the energy and release the pressure, so that the damage to other cables is effectively prevented, the internal glass magnesium fireproof plate and the internal fireproof glass block the spread of fire while increasing the strength of the upper box body and the lower box body, and the internal flame is ensured to be extinguished due to oxygen deficiency; the heat inside the upper box body and the lower box body can be conducted through the arranged heat dissipation plate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged schematic structural view of the fixing assembly of the present invention.

In the figure: 1. an upper box body; 2. a lower box body; 3. a connecting plate; 4. fixing the bolt; 5. a wire inlet hole; 6. a wire outlet hole; 7. sealing the sponge; 8. fireproof glass; 9. threading holes; 10. a glass magnesium fireproof plate; 11. a heat dissipation plate; 12. an energy discharge pipe; 13. a sealing plug; 14. a fixing assembly; 141. a guide cylinder; 142. a connecting spring; 143. a slider; 144. a connecting rod; 145. an arc-shaped splint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model provides a cable joint explosion-proof box that leakproofness is good, including last box body 1 and lower box body 2, semicircular entrance hole 5 has all been seted up to the bottom of going up the bottom of box body 1 one end and the bottom of box body 2 one end down, semicircular wire hole 6 has all been seted up to the bottom of going up the box body 1 other end and the bottom of the box body 2 other end down, the inner wall of going up the box body 1 and the inner wall of box body 2 all fixed glass magnesium PLASTIC LAMINATED 10 that is equipped with down, go up the both ends of box body 1 inside and the both ends of box body 2 inside all fixed fire prevention glass 8 that are equipped with down, semicircular through wires hole 9 has been seted up on fire prevention glass 8's surface, go up the inside of box body 1 and the inside fixed two fixed subassemblies 14 that are equipped with of box body 2 down, the fixed energy release pipe 12 that is equipped with in the middle part on the box body 1 top, the top block of energy release pipe 12 is connected with sealing plug 13.

Preferably, the two fixing assemblies 14 each include two guide cylinders 141, two connecting rods 144 and two arc-shaped clamping plates 145 penetrating through the guide cylinders 141, each two corresponding guide cylinders 141 are in one group, each group of guide cylinders 141 is fixedly disposed on the top inner wall of the upper box body 1 and the bottom inner wall of the lower box body 2 respectively, the inside of each guide cylinder 141 is elastically connected with a sliding block 143 through a connecting spring 142, the four connecting rods 144 are fixedly disposed on one side of the four sliding blocks 143 respectively, the four arc-shaped clamping plates 145 are fixedly disposed on one ends of the four connecting rods 144 respectively, the sliding blocks 143 inside the guide cylinders 141 drive the connecting rods 144 to move under the action of the connecting springs 142, and thus the cables are clamped and fixed by the two corresponding arc-shaped clamping plates 145; the bottom ends of two sides of the upper box body 1 and the top ends of two sides of the lower box body 2 are respectively fixedly provided with a connecting plate 3, and each two corresponding connecting plates 3 are fixedly connected through a fixing bolt 4 and a fixing nut, so that the upper box body 1 and the lower box body 2 can be fixedly connected; sealing sponges 7 are fixedly arranged on the inner wall of the wire inlet hole 5 and the inner wall of the wire outlet hole 6, and the wire inlet hole 5 and the wire outlet hole 6 are sealed through the arranged sealing sponges 7; the two sides of the top end of the upper box body 1 are embedded with the heat dissipation plates 11, and heat inside the upper box body 1 and the lower box body 2 can be conducted through the arranged heat dissipation plates 11, so that heat accumulation is prevented; the surface of the glass magnesium fireproof plate 10 is fixedly provided with absorbent cotton which can absorb the entering moisture; go up the fixed sealed pad that is equipped with in junction of box body 1 and lower box body 2, can seal up the gap between last box body 1 and the lower box body 2.

When in specific use, the utility model relates to a cable joint explosion-proof box with good sealing performance, firstly, the cable joint penetrates into the inner parts of the upper box body 1 and the lower box body 2 through the wire inlet 5 and penetrates out through the wire outlet 6, the sealing sponge 7 arranged through the wire inlet 5 and the wire outlet 6 seals the wire inlet 5 and the wire outlet 6, and the cable joint is arranged in the two corresponding arc-shaped clamping plates 145, the sliding block 143 in the guide cylinder 141 drives the connecting rod 144 to move under the action of the connecting spring 142, thereby the cable is clamped and fixed through the two corresponding arc-shaped clamping plates 145, then the corresponding connecting plate 3 is fixed through the fixing bolt 4 and the fixing nut, thereby the upper box body 1 and the lower box body 2 are fixedly connected, the arranged energy discharge pipe 12 is used for energy discharge, the cable intermediate joint is used for discharging and relieving pressure after short circuit breakdown or explosion, the explosion impact force flushes the sealing plug 13, effectively prevented the destruction to other cables, inside glass magnesium PLASTIC LAMINATED 10 and fire prevention glass 8 block stretching of conflagration when increasing box body 1 and box body 2 intensity down, guarantee that inside flame extinguishes because of the oxygen deficiency, can conduct last box body 1 and the inside heat of box body 2 down through the heating panel 11 that sets up.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cable joint explosion-proof box with good sealing performance comprises an upper box body (1) and a lower box body (2), and is characterized in that semicircular wire inlet holes (5) are formed in the bottom of one end of the upper box body (1) and the bottom of one end of the lower box body (2), semicircular wire outlet holes (6) are formed in the bottom of the other end of the upper box body (1) and the bottom of the other end of the lower box body (2), glass magnesium fireproof plates (10) are fixedly arranged on the inner wall of the upper box body (1) and the inner wall of the lower box body (2), fireproof glass (8) is fixedly arranged at two ends of the inner part of the upper box body (1) and two ends of the inner part of the lower box body (2), semicircular wire through holes (9) are formed in the surface of the fireproof glass (8), two fixing assemblies (14) are fixedly arranged in the inner part of the upper box body (1) and the inner part of the lower box body (2), the middle part of the top end of the upper box body (1) is fixedly provided with an energy discharge pipe (12), and the top end of the energy discharge pipe (12) is connected with a sealing plug (13) in a clamping manner.

2. The cable joint explosion-proof box with good sealing performance as claimed in claim 1, wherein: two fixed subassembly (14) all include two guide cylinders (141), two connecting rods (144) and two arc splint (145) that alternate in guide cylinder (141), and every two are corresponding guide cylinder (141) are a set of, every group guide cylinder (141) are fixed the setting respectively go up the top inner wall of box body (1) with the bottom inner wall of lower box body (2), every there is sliding block (143), four in the inside of guide cylinder (141) all through connecting spring (142) elastic connection, four connecting rod (144) are fixed the setting respectively four one side of sliding block (143), four arc splint (145) are fixed the setting respectively four the one end of connecting rod (144).

3. The cable joint explosion-proof box with good sealing performance as claimed in claim 1, wherein: go up the bottom on two avris of box body (1) with the top on two avris of box body (2) is all fixed down and is equipped with connecting plate (3), and per two are corresponding connecting plate (3) all are through fixing bolt (4) and fixation nut fixed connection.

4. The cable joint explosion-proof box with good sealing performance as claimed in claim 1, wherein: and sealing sponges (7) are fixedly arranged on the inner wall of the wire inlet hole (5) and the inner wall of the wire outlet hole (6).

5. The cable joint explosion-proof box with good sealing performance as claimed in claim 1, wherein: and heat dissipation plates (11) are embedded in two sides of the top end of the upper box body (1).

6. The cable joint explosion-proof box with good sealing performance as claimed in claim 1, wherein: and the surface of the glass magnesium fireproof plate (10) is fixedly provided with absorbent cotton.

7. The cable joint explosion-proof box with good sealing performance as claimed in claim 1, wherein: and a sealing gasket is fixedly arranged at the joint of the upper box body (1) and the lower box body (2).