CN213937326U

CN213937326U - Explosion-proof junction box

Info

Publication number: CN213937326U
Application number: CN202023134483.4U
Authority: CN
Inventors: 郑巨雷; 张勇; 蔡林凯
Original assignee: Zhonghong Explosion Proof Electrical Co ltd
Current assignee: Zhonghong Explosion Proof Electrical Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-10
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses an explosion-proof junction box, its technical scheme main points are: the box body is provided with a plurality of wiring holes at the left end and the right end, internal threads are formed in the wiring holes, external threads are formed at the right end of the joint, the right end of the joint is in threaded connection with the wiring holes, the right end of the joint extends into the box body, a plurality of wire holes are formed in the joint, a baffle is fixedly arranged in the middle of the joint, a first groove is formed in the position, corresponding to the baffle, of the outer surface of the box body, the baffle extends into the first groove, a sealing ring is arranged at the position where the baffle is connected with the box body, a threaded ring is in threaded connection with the right end of the joint and is in contact with the inner surface of the box body, a sealing ring is arranged at the position where the threaded ring is connected with the box body, a first fixing block is fixedly arranged at the upper end of the box body, and a second groove is formed in the first fixing block; and when the installation, installer is difficult for tired.

Description

Explosion-proof junction box

Technical Field

The utility model relates to an electrical equipment technical field, in particular to explosion-proof junction box.

Background

The explosion-proof junction box is special power distribution equipment applied to various high-risk places, is particularly commonly used in petroleum and chemical industries, and is generally formed by aluminum alloy die casting or stainless steel welding. The explosion-proof junction box comprises a shell and a shell cover which are connected through bolts, an electrical element is arranged in an inner cavity of the shell, and a cable penetrates from a junction on the side edge of the shell, so that convenience is brought.

The connector is usually arranged at the connector of the existing explosion-proof connection box, but the existing connector has poor sealing performance, so that dust or liquid can easily enter the interior of the explosion-proof connection box through the connector; meanwhile, the existing explosion-proof junction box needs to support the explosion-proof junction box to be kept still when being fixed, and then the bolt is utilized to fix the explosion-proof junction box, the explosion-proof junction box is generally made of metal, the quality is usually high, the explosion-proof junction box is supported for a long time to be kept still, so that installers are easy to fatigue, and a new technical scheme is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing an explosion-proof junction box to solve the current explosion-proof junction box joint leakproofness that mentions in the background art not good and make installer tired problem easily when fixing explosion-proof junction box.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an explosion-proof junction box comprises a box body, wherein a plurality of junction holes are formed in the left end and the right end of the box body, internal threads are formed in the junction holes, external threads are formed in the right end of a joint, the right end of the joint is in threaded connection with the junction holes, the right end of the joint extends into the box body, a plurality of wire holes are formed in the joint, a baffle is fixedly arranged in the middle of the joint, a first groove is formed in the outer surface of the box body, corresponding to the position of the baffle, the baffle extends into the first groove, a sealing ring is arranged at the joint of the baffle and the box body, a threaded ring is in threaded connection with the right end of the joint and is in contact with the inner surface of the box body, the sealing ring is arranged at the joint of the threaded ring and the box body, and a first fixing block is fixedly arranged at the upper end of the box body, the positioning device is characterized in that a second groove is formed in the first fixing block, a positioning plate is arranged at the rear end of the first fixing block, a plurality of positioning holes are formed in the positioning plate, an inclined plate is fixedly arranged on the positioning plate, and the inclined plate extends into the second groove.

Furthermore, a plurality of first through holes are formed in the first fixing block, threaded holes are formed in the front end of the positioning plate corresponding to the rear ends of the first through holes, and screws are installed in the first through holes and the threaded holes.

Through above-mentioned technical scheme, when the installation, can fix the upper end of box with the mounting screw in first through-hole and threaded hole, prevent that the upper end of box from taking place to remove, lead to the swash plate to have and drop in the second recess.

Furthermore, a second fixing block is fixedly arranged on the threaded ring, a second through hole is formed in the second fixing block, a threaded hole is formed in the box body corresponding to the second through hole, and a screw is arranged in the second through hole and the threaded hole.

Through above-mentioned technical scheme, during the installation, after screwing the screw ring, then with the screw mounting in second through-hole and threaded hole, can fix the screw ring, prevent that the screw ring from taking place to rotate.

Furthermore, a sealant is arranged in the wire hole.

Through above-mentioned technical scheme, prevent that dust or liquid from getting into the inside of joint by the wire guide.

Furthermore, a third fixing block is fixedly arranged at the lower end of the box body, and a third through hole is formed in the third fixing block.

Through above-mentioned technical scheme, during the installation, utilize the third fixed block to fix the lower extreme of box, prevent that the lower extreme of box from taking place to remove.

Further, the box body is made of stainless steel.

To sum up, the utility model discloses mainly have following beneficial effect: in the utility model, the baffle is arranged on the joint, the sealing ring is arranged on the baffle to improve the sealing performance of the joint and the box body, the threaded ring is arranged on the joint, the sealing ring is arranged on the threaded ring to further improve the sealing performance of the joint of the threaded ring and the box body, and the sealing glue is arranged in the wire hole to prevent dust or liquid from entering the joint from the wire hole, so that the sealing performance of the joint is better; and simultaneously, the utility model discloses a set up the locating plate, can fix the locating plate in suitable place earlier during the installation, then remove the box, make the swash plate insert the second recess, can accomplish prepositioning, need not to hold explosion-proof junction box for a long time and keep motionless, be difficult for making the installer tired.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a left side view of the present embodiment;

FIG. 3 is a left side view of the case in this embodiment;

fig. 4 is a schematic view of the structure of the joint and the threaded ring in the present embodiment.

Reference numerals: 1. a box body; 101. a wiring hole; 102. a first groove; 2. a joint; 201. an external thread; 202. a wire guide hole; 3. a baffle plate; 4. a seal ring; 5. a threaded ring; 6. a first fixed block; 601. a second groove; 602. a first through hole; 7. positioning a plate; 701. positioning holes; 8. a sloping plate; 9. a second fixed block; 901. a second through hole; 10. and a third fixed block.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-4, an explosion-proof junction box comprises a box body 1, a plurality of junction holes 101 are formed at the left end and the right end of the box body 1, internal threads are formed in the junction holes 101, external threads 201 are formed at the right end of a joint 2, the right end of the joint 2 is in threaded connection with the junction holes 101, the right end of the joint 2 extends into the box body 1, a plurality of wire holes 202 are formed in the joint 2, a baffle 3 is fixedly arranged at the middle of the joint 2, a first groove 102 is formed in the outer surface of the box body 1 corresponding to the baffle 3, the baffle 3 extends into the first groove 102, a sealing ring 4 is arranged at the joint of the baffle 3 and the box body 1, a threaded ring 5 is in threaded connection with the right end of the joint 2, the threaded ring 5 is in contact with the inner surface of the box body 1, a sealing ring 4 is arranged at the joint of the threaded ring 5 and the box body 1, a first fixing block 6 is fixedly arranged at the upper end of the box body 1, a second groove 601 is formed in the first fixing block 6, the rear end of first fixed block 6 is provided with locating plate 7, a plurality of locating holes 701 have been seted up on locating plate 7, the fixed swash plate 8 that is provided with on locating plate 7, swash plate 8 extends into in the second recess 601, in this embodiment, connect 2, baffle 3 and screwed ring 5 all use the stainless steel to make, connect 2 and 3 integrated into one piece of baffle casting, first fixed block 6, locating plate 7 and swash plate 8 all use cast iron to make, locating plate 7 and swash plate 8 welded fastening, first fixed block 6, the surface of locating plate 7 and swash plate 8 all scribbles paint, can promote first fixed block 6, locating plate 7 and swash plate 8 corrosion resisting property.

Referring to fig. 1, the first fixing block 6 is provided with a plurality of first through holes 602, the front end of the positioning plate 7 is provided with threaded holes corresponding to the rear ends of the first through holes 602, and screws are installed in the first through holes 602 and the threaded holes.

Referring to fig. 4, a second fixing block 9 is fixedly arranged on the threaded ring 5, a second through hole 901 is formed in the second fixing block 9, a threaded hole is formed in the box body 1 corresponding to the second through hole 901, and screws are installed in the second through hole 901 and the threaded hole.

Referring to fig. 2, a sealant is disposed in the wire guide 202, and the sealant is poured into the wire guide 202 after completing the wire connection.

Referring to fig. 2 and 3, a third fixing block 10 is fixedly disposed at the lower end of the box body 1, and a third through hole is formed in the third fixing block 10, in this embodiment, the third fixing block 10 is made of cast iron, and the third fixing block 10 is welded to the box body 1.

Referring to fig. 1, a case 1 is made of stainless steel.

In summary, the connector 2 is installed in the wiring hole 101, the threaded ring 5 is screwed, a screw is installed in the second through hole 901 and the threaded hole in the box body 1, the threaded ring 5 is fixed, when the box body 1 is fixed, the positioning plate 7 is fixed at a proper position by using the bolt and the positioning hole 701, then the box body 1 is moved, the inclined plate 8 is inserted into the second groove 601, the lower end of the box body 1 is fixed by using the bolt and the third through hole on the third fixing block 10, and finally the upper end of the box body 1 is fixed by using the screw installed in the first through hole 602 and the upper threaded hole of the positioning plate 7, so that the fixing of the box body 1 is completed, and wiring can be started, after the wiring is completed, the sealant is filled into the wiring hole 202, and dust and liquid are prevented from entering the box body 1 through the wiring hole 202.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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. The utility model provides an explosion-proof junction box, includes box (1), its characterized in that: the wire connecting box is characterized in that a plurality of wire connecting holes (101) are formed in the left end and the right end of the box body (1), internal threads are formed in the wire connecting holes (101), external threads (201) are formed in the right end of the connector (2), the right end of the connector (2) is in threaded connection with the wire connecting holes (101), the right end of the connector (2) extends into the box body (1), a plurality of wire guide holes (202) are formed in the connector (2), a baffle (3) is fixedly arranged in the middle of the connector (2), a first groove (102) is formed in the outer surface of the box body (1) corresponding to the baffle (3), the baffle (3) extends into the first groove (102), a sealing ring (4) is arranged at the joint of the baffle (3) and the box body (1), a threaded ring (5) is connected to the right end of the connector (2) in a threaded manner, and the threaded ring (5) is in contact with the inner surface of the box body (1), threaded ring (5) with the junction of box (1) is provided with sealing washer (4), the fixed first fixed block (6) that is provided with in upper end of box (1), second recess (601) have been seted up on first fixed block (6), the rear end of first fixed block (6) is provided with locating plate (7), a plurality of locating holes (701) have been seted up on locating plate (7), fixed swash plate (8) that are provided with on locating plate (7), swash plate (8) extend into in second recess (601).

2. An explosion-proof junction box as defined in claim 1, wherein: a plurality of first through holes (602) are formed in the first fixing block (6), threaded holes are formed in the front ends of the positioning plates (7) corresponding to the rear ends of the first through holes (602), and screws are installed in the first through holes (602) and the threaded holes.

3. An explosion-proof junction box as defined in claim 1, wherein: a second fixing block (9) is fixedly arranged on the threaded ring (5), a second through hole (901) is formed in the second fixing block (9), a threaded hole is formed in the position, corresponding to the second through hole (901), in the box body (1), and screws are arranged in the second through hole (901) and the threaded hole.

4. An explosion-proof junction box as defined in claim 1, wherein: and sealing glue is arranged in the wire guide hole (202).

5. An explosion-proof junction box as defined in claim 1, wherein: the lower end of the box body (1) is fixedly provided with a third fixing block (10), and a third through hole is formed in the third fixing block (10).

6. An explosion-proof junction box as defined in claim 1, wherein: the box body (1) is made of stainless steel.