CN209844481U - Explosion-proof junction box - Google Patents

Abstract

The utility model discloses an explosion-proof terminal box, including casing and binding post down, the upper surface of casing is provided with waterproof edge down, and the casing is installed to the bolt directly over to the casing down, the draw-in groove has been seted up to the bottom upper surface of casing down, the connecting pipe is all installed to the left and right sides of casing down, and the inside of connecting pipe is provided with rubber and leads to the stopper, the inside of casing is provided with the slide bar hole down, slide bar and second rubber post all run through first through-hole, the below middle part of slide is provided with the connecting axle, first rubber post sets up the inside at the third through-hole, the second through-hole has been seted up at the middle part of backing plate, the connecting axle runs through the second through-hole. The anti-explosion junction box is provided with the sliding rod and the sliding plate, so that the sliding plate can freely slide on the sliding rod, the height of the wiring terminal is adjusted, convenience of wiring operation of the device is greatly improved, and working efficiency of the device is improved.

Description

Explosion-proof junction box

Technical Field

The utility model relates to an explosion-proof terminal box technical field specifically is an explosion-proof terminal box.

Background

The explosion-proof junction box is a junction box with a shell made of cast aluminum alloy, has high strength, can resist larger impact force, has longer service life, is deeply popular with the majority of builders and electricians, and has certain problems in the use process of the existing explosion-proof junction box;

because the terminal box casing is cast aluminium alloy material, lead to binding post and be connected with it and be screw connection, and binding post arranges the inside of casing in, when the wiring with the volume less, can lead to because of binding post is inside the casing for the wiring operation is very inconvenient, influences work efficiency.

We have therefore proposed an explosion-proof junction box in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof terminal box to solve the lower problem of wiring operating efficiency in the explosion-proof terminal box on the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof junction box comprises a lower shell and a connecting terminal, wherein a waterproof edge is arranged on the upper surface of the lower shell, an upper shell is installed right above the lower shell through a bolt, a clamping groove is formed in the upper surface of the bottom of the lower shell, a sliding rod and a second rubber column are installed on the left side and the right side of the upper surface of the bottom of the lower shell respectively, a first rubber column is installed in the middle of the clamping groove, connecting pipes are installed on the left side and the right side of the lower shell respectively, rubber through plugs are arranged in the connecting pipes, a sliding plate is arranged in the lower shell, the connecting terminal is installed on the upper portion of the sliding plate through a bolt, first through holes are formed in the left side and the right side of the sliding plate, the sliding rod and the second rubber column penetrate through the first through holes, a connecting shaft is arranged in the middle of the lower portion, the first rubber column is arranged inside the third through hole, the middle of the backing plate is provided with a second through hole, and the connecting shaft penetrates through the second through hole.

Preferably, the waterproof edge and the lower shell are of an integrated structure, and the vertical distance between the upper surface of the waterproof edge and the upper surface of the sliding rod is larger than the thickness of the sliding plate.

Preferably, the number of the connecting pipes is 2, the connecting pipes are symmetrically arranged around the center line of the lower shell, the connecting pipes are in threaded connection with the rubber through plugs, and the rubber through plugs are of hollow structures.

Preferably, the slide bar is sliding connection with first through-hole, and the slide bar is provided with 4 about the central line symmetry of casing down, but the slide passes through slide bar and first through-hole constitution sliding structure, and the left and right sides equidistance of slide distributes and has first through-hole.

Preferably, the connecting shaft and the sliding plate are in threaded connection, the connecting shaft is of a T-shaped structure, and the upper surface of the connecting shaft and the upper surface of the sliding plate are flush with each other.

Preferably, the length of the backing plate is smaller than the distance between the front and back connected 2 sliding rods, the length of the backing plate is larger than the left and right width of the lower shell, and the backing plate forms a rotatable structure through the connecting shaft and the second through hole.

Preferably, the upper end of the second rubber column is in an oval structure, the maximum outer diameter of the second rubber column is larger than the inner diameter of the first through hole, and the number of the second rubber column is 4 about the center line of the lower shell.

Compared with the prior art, the beneficial effects of the utility model are that: the explosion-proof junction box;

1. the connecting device is provided with the sliding rod and the sliding plate, and the sliding plate can freely slide on the sliding rod by matching with the first through hole in the using process, so that the height of the sliding plate is adjusted, the height of the connecting terminal is further adjusted, and the original connecting terminal at the lower position is arranged above the lower shell, so that the convenience of the wiring operation of the device is greatly improved, and the working efficiency of the device is improved;

2. the connecting shaft and the base plate are arranged, and the base plate can rotate in the using process, so that the base plate is stably arranged above the lower shell, the sliding plate is supported, the stability of the wiring terminal in the wiring operation is guaranteed, and the wiring efficiency is improved;

3. be provided with first rubber column and second rubber column, at the in-process that uses, first rubber column and second rubber column are cooperating the use of third through-hole and first through-hole, and the effectual block that carries on the slide has guaranteed the stability after the slide installation.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic view of the slide plate of the present invention;

fig. 3 is a schematic view of the lower housing of the present invention.

In the figure: 1. a lower housing; 2. a waterproof edge; 3. an upper housing; 4. a connecting pipe; 5. a rubber through plug; 6. a slide bar; 7. a slide plate; 8. a wiring terminal; 9. a first through hole; 10. a connecting shaft; 11. a base plate; 12. a first rubber column; 13. a second rubber column; 14. a second through hole; 15. a third through hole; 16. a clamping groove.

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.

Referring to fig. 1-3, the present invention provides a technical solution: an explosion-proof junction box comprises a lower shell 1, a waterproof edge 2, an upper shell 3, a connecting pipe 4, a rubber through plug 5, a slide rod 6, a sliding plate 7, a connecting terminal 8, a first through hole 9, a connecting shaft 10, a backing plate 11, a first rubber column 12, a second rubber column 13, a second through hole 14, a third through hole 15 and a clamping groove 16, wherein the waterproof edge 2 is arranged on the upper surface of the lower shell 1, the upper shell 3 is installed on the upper portion of the lower shell 1 through a bolt, the clamping groove 16 is formed in the upper surface of the bottom of the lower shell 1, the slide rod 6 and the second rubber column 13 are respectively installed on the left side and the right side of the upper surface of the bottom of the lower shell 1, the first rubber column 12 is installed in the middle of the clamping groove 16, the connecting pipe 4 is installed on the left side and the right side of the lower shell 1, the rubber through plug 5 is arranged inside the connecting pipe 4, the, and the left and right sides of slide 7 has all seted up first through-hole 9, and slide bar 6 and second rubber column 13 all run through first through-hole 9, and the below middle part of slide 7 is provided with connecting axle 10, and the outside of connecting axle 10 installs backing plate 11 to third through-hole 15 has been seted up at the middle part of connecting axle 10, and first rubber column 12 sets up in the inside of third through-hole 15, and second through-hole 14 has been seted up at the middle part of backing plate 11, and connecting axle 10 runs through second through-hole 14.

Waterproof edge 2 and lower casing 1 are integrated structure, and the vertical distance between the upper surface of waterproof edge 2 and the slide bar 6 upper surface is greater than the thickness of slide 7, and the design of above-mentioned structure has increased the waterproof performance of device, improves the practicality of device.

Connecting pipe 4 is provided with 2 about the central line symmetry of casing 1 down, and connecting pipe 4 leads to fill in 5 with rubber and be threaded connection to rubber leads to fill in 5 and is hollow structure, and the design of above-mentioned structure leads to through rubber and fills in 5 effectually to seal the cable, thereby avoids inside the impurity admission device.

Slide bar 6 is sliding connection with first through-hole 9, and slide bar 6 is provided with 4 about the central line symmetry of casing 1 down, but slide 7 passes through slide bar 6 and first through-hole 9 constitution sliding structure, and the left and right sides equidistance of slide 7 distributes and has first through-hole 9, the design of above-mentioned structure, be convenient for carry on spacing fixed to slide 7, guarantee the gliding convenience of slide 7, sliding structure's design simultaneously, make the device when the operation of working a telephone switchboard, can improve binding post 8's height, thereby the very big wiring operation that has made things convenient for the device.

Connecting axle 10 and slide 7 are threaded connection, and connecting axle 10 is "T" shape structure to the upper surface of connecting axle 10 and the mutual parallel and level of upper surface of slide 7, the design of above-mentioned structure avoids connecting axle 10 to influence binding post 8, ensures the normal use of device.

The length of backing plate 11 is less than the distance between the 2 continuous slide bars 6 in front and back, and the length of backing plate 11 is greater than the left and right sides width of casing 1 down to backing plate 11 passes through connecting axle 10 and second through-hole 14 constitution rotatable structure, and the design of above-mentioned structure for when the device is in the wiring operation, backing plate 11 is effectual to slide 7 support, thereby is convenient for binding post 8's wiring operation.

The upper end of second rubber column 13 is oval structure, and the biggest external diameter of second rubber column 13 is greater than the internal diameter of first through-hole 9 to second rubber column 13 is provided with 4 about the central line symmetry of casing 1 down, and the design of above-mentioned structure, the effectual block that carries on to slide 7 avoids rocking of slide 7.

The working principle is as follows: when the explosion-proof junction box is used, firstly, as shown in fig. 1, the device is placed at a proper position, then the upper shell 3 is opened, then a cable to be connected penetrates through the connecting pipe 4 and the rubber through plug 5, so that a cable end is placed in the lower shell 1, then the sliding plate 7 is pulled upwards, so that the sliding plate 7 slides on the sliding rod 6, the sliding plate 7 drives the connecting shaft 10 and the backing plate 11 to move upwards in the upwards sliding process until the lower surface of the backing plate 11 is higher than the upper surface of the waterproof edge 2, then as shown in fig. 2-3, the backing plate 11 rotates around the connecting shaft 10 by rotating the backing plate 11, so that the backing plate 11 is supported by the waterproof edge 2, so that the sliding plate 7 is effectively supported, and then the wiring operation of the cable is carried out by matching with the wiring terminal 8;

after the wiring is completed, the backing plate 11 is rotated to be arranged below the sliding plate 7 as shown in fig. 2, then the sliding plate 7 is pressed downwards as shown in fig. 1-2, so that the sliding plate 7 slides downwards, the first rubber column 12 and the second rubber column 13 of the lower shell 1 are respectively contacted with the third through hole 15 and the first through hole 9, the sliding plate 7 is clamped, the backing plate 11 is arranged in the clamping groove 16, and then the upper shell 3 is connected with the lower shell 1 through bolts,

to thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides an explosion-proof terminal box, includes casing (1) and binding post (8) down, its characterized in that: the upper surface of the lower shell (1) is provided with a waterproof edge (2), the upper shell (3) is installed by bolts right above the lower shell (1), the upper surface of the bottom of the lower shell (1) is provided with a clamping groove (16), the left side and the right side of the upper surface of the bottom of the lower shell (1) are respectively provided with a sliding rod (6) and a second rubber column (13), the middle part of the clamping groove (16) is provided with a first rubber column (12), the left side and the right side of the lower shell (1) are respectively provided with a connecting pipe (4), the inside of the connecting pipe (4) is provided with a rubber through plug (5), the inside of the lower shell (1) is provided with a sliding plate (7), a wiring terminal (8) is installed on a screw above the sliding plate (7), the left side and the right side of the sliding plate (7) are respectively provided with a first through hole (9), the sliding rod (6) and the, the lower middle part of slide (7) is provided with connecting axle (10), and backing plate (11) are installed in the outside of connecting axle (10) to third through-hole (15) have been seted up at the middle part of connecting axle (10), first rubber column (12) set up the inside at third through-hole (15), second through-hole (14) have been seted up at the middle part of backing plate (11), second through-hole (14) are run through in connecting axle (10).

2. An explosion-proof junction box according to claim 1, wherein: waterproof edge (2) and lower casing (1) structure as an organic whole, and waterproof along the thickness that the vertical distance between the upper surface of (2) and slide bar (6) upper surface is greater than slide (7).

3. An explosion-proof junction box according to claim 1, wherein: the connecting pipes (4) are symmetrically provided with 2 connecting pipes about the center line of the lower shell (1), the connecting pipes (4) are in threaded connection with the rubber through plugs (5), and the rubber through plugs (5) are of hollow structures.

4. An explosion-proof junction box according to claim 1, wherein: slide bar (6) are sliding connection with first through-hole (9), and slide bar (6) are provided with 4 about the central line symmetry of casing (1) down, but slide (7) constitute sliding structure through slide bar (6) and first through-hole (9), and the left and right sides equidistance of slide (7) distributes and have first through-hole (9).

5. An explosion-proof junction box according to claim 1, wherein: the connecting shaft (10) is in threaded connection with the sliding plate (7), the connecting shaft (10) is of a T-shaped structure, and the upper surface of the connecting shaft (10) is flush with the upper surface of the sliding plate (7).

6. An explosion-proof junction box according to claim 1, wherein: the length of backing plate (11) is less than the distance between the 2 slide bars (6) that link to each other in front and back, and the length of backing plate (11) is greater than the left and right sides width of lower casing (1) to backing plate (11) pass through connecting axle (10) and second through-hole (14) constitution rotatable structure.

7. An explosion-proof junction box according to claim 1, wherein: the upper end of the second rubber column (13) is of an oval structure, the maximum outer diameter of the second rubber column (13) is larger than the inner diameter of the first through hole (9), and 4 second rubber columns (13) are symmetrically arranged relative to the center line of the lower shell (1).