Explosion-proof junction box

Abstract

An explosion-proof junction box belongs to the technical field of explosion-proof junction boxes and comprises a box body, a cover body is mounted on the upper surface of the box body, a plurality of bolts A are mounted between the cover body and the box body, a plurality of wiring ports are circumferentially arranged on the outer surface of the box body, and an insulating base is fixedly mounted in the box body. A plurality of wiring copper sheets are circumferentially clamped and mounted on the upper surface of the insulating base according to the positions of the wiring ports, a plurality of U-shaped insulating blocks are circumferentially and fixedly mounted on the upper surface of the insulating base, bolts B used for pressing the wiring copper sheets are mounted on the upper surfaces of the U-shaped insulating blocks in a penetrating manner, and a bus copper disc is fixedly mounted on the upper surface of the insulating base; according to the utility model, when wiring operation is carried out in different directions, the wiring operation can be rapidly completed without adjusting the positions of a cable and a wiring terminal, so that the whole wiring operation is convenient, rapid and efficient, and the efficiency of the wiring operation can be significantly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of explosion -proof distribution box, concretely relates to an explosion -proof distribution box. BACKGROUND

[0002] In the industrial production, petroleum chemical industry, coal mine and other flammable and explosive environment, the explosion -proof distribution box is used for multi -way cable connection and branch, guarantees electrical safety transmission.

[0003] The existing explosion -proof distribution box terminal is arranged horizontally. When actually wiring, because of the arrangement of the terminal, the corresponding position of the terminal and the distribution box terminal port lacks flexibility, and the operator needs to connect the cable according to the preset position of the terminal port. When the cable comes from different directions or the relative position is special, it is difficult to directly connect the corresponding terminal, and the position of the cable or the terminal needs to be adjusted additionally before wiring operation, which is very inconvenient to use, affects the wiring efficiency, therefore, another explosion -proof distribution box is provided to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] In view of the problem of the explosion -proof distribution box in the prior art that the corresponding position of the terminal and the distribution box terminal port lacks flexibility during wiring, additional adjustment is needed, the operation is complicated, and the wiring efficiency is affected, the utility model provides an explosion -proof distribution box, a plurality of wiring copper sheets are circumferentially clamped and installed on the insulating base according to the position of the terminal port, and a bus copper disc is fixedly installed on the insulating base and pressed on the plurality of wiring copper sheets, so that when wiring operation is carried out from different directions under the condition of guaranteeing the collection and distribution of electric energy, the position of the cable and the terminal does not need to be adjusted, the cable only needs to be inserted into the terminal port of the box body in a straight line, and the installation process can be completed by accurately docking the wiring copper sheet at the corresponding position, so that the wiring operation is convenient, fast and efficient, and the efficiency of the wiring operation can be significantly improved. The specific technical scheme is as follows:

[0005] An explosion -proof distribution box, comprising a box body, a cover body is installed on the upper surface of the box body, a plurality of bolts A are installed between the cover body and the box body, a plurality of terminal ports are circumferentially arranged on the outer surface of the box body, an insulating base is fixedly installed in the box body, a plurality of wiring copper sheets are circumferentially clamped and installed on the upper surface of the insulating base according to the position of the terminal port, a plurality of U-shaped insulating blocks are circumferentially fixedly installed on the upper surface of the insulating base, the wiring copper sheets are located in the corresponding U-shaped insulating blocks, and a bolt B for pressing the wiring copper sheet is installed through the upper surface of the U-shaped insulating block, a bus copper disc is fixedly installed on the upper surface of the insulating base, and the lower surface of the bus copper disc is attached to the upper surface of the wiring copper sheet.

[0006] In the above technical solution, the upper surface of the insulating base is provided with a plurality of insertion slots at equal intervals in the circumferential direction, the wiring copper sheet is in the shape of a broken line, and the inner end of the wiring copper sheet is inserted and installed in the corresponding insertion slot.

[0007] In the above technical solution, the lower surface of the copper bus plate is provided with a plurality of clamping grooves at equal intervals in the circumferential direction, and the inner end of the wiring copper sheet is clamped and arranged in the corresponding clamping groove.

[0008] In the above technical solution, the upper surface of the copper bus plate is provided with an insulating pressing plate, and the insulating pressing plate, the copper bus plate and the insulating base are screw-connected and installed with a bolt C.

[0009] In the above technical solution, the inner end of the wiring port is inserted and installed with a rubber sealing plug.

[0010] In the above technical solution, the outer surface of the box body is provided with a plurality of U-shaped ear blocks at equal intervals at the lower end in the circumferential direction, and the U-shaped ear blocks are arranged in a staggered manner between the wiring ports.

[0011] Compared with the prior art, the anti-explosion distribution box has the beneficial effects that:

[0012] Firstly, the anti-explosion distribution box can ensure the collection and distribution of electric energy, and can perform wiring operation from different directions without adjusting the position of the cable and the wiring end, so that the wiring operation is convenient, fast and efficient, and the efficiency of the wiring operation is improved.

[0013] Secondly, the anti-explosion distribution box is provided with a plurality of clamping grooves on the lower surface of the copper bus plate, and the wiring copper sheet can be clamped and fixed by the clamping grooves after being installed on the insulating base, so that the stability of the wiring copper sheet after installation is improved.

[0014] Thirdly, the rubber sealing plug is clamped and installed at the inner end of the wiring port, and the wiring port can be selectively used according to the actual wiring requirement, the unused wiring port can be sealed by the rubber sealing plug to prevent dust from entering, and when the wiring is expanded, a new anti-explosion distribution box does not need to be laid out in the traditional way, and the rubber sealing plug originally installed on the unused wiring port can be simply removed, and then the cable can be directly added in the original anti-explosion distribution box for wiring operation. This not only saves the cost of purchasing and installing a new distribution box, including equipment procurement cost and installation time cost, but also greatly simplifies the process of expanding the wiring, reduces the construction time and workload, and can quickly and efficiently complete the wiring expansion task. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the present utility model.

[0016] Figure 2 This is a schematic diagram of the box structure of the present utility model.

[0017] Figure 3 It is a schematic diagram of the explosion structure of the utility model.

[0018] Figure 4 This is a schematic structural diagram of the insulating base of the present utility model.

[0019] Figure 5 This is a schematic diagram of the box body structure from a top view of the present invention.

[0020] Figure 6 This is a schematic diagram of the structure of the rubber sealing plug of the present utility model.

[0021] Figure 7 It is a schematic diagram of the cross-sectional structure of the present utility model.

[0022] Figures 1-7 Among them: 1. Box body; 11. Wiring port; 111. Rubber sealing plug; 12. U-shaped ear block; 2. Cover; 21. Bolt A; 3. Insulation base; 31. Slot; 32. U-shaped insulating block; 33. Bolt B; 4. Wiring copper sheet; 5. Busbar; 51. Card slot; 6. Insulation pressure plate; 7. Bolt C. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In this embodiment, front, back, left, right, up and down are represented by Figure 1 Describes the datum. Figures 1-7 , the utility model provides a technical solution:

[0025] An explosion-proof distribution box, comprising a box body 1, a cover body 2 is mounted on the upper surface of the box body 1, a plurality of bolts A21 are mounted between the cover body 2 and the box body 1, a plurality of wiring ports 11 are circumferentially arranged on the outer surface of the box body 1, an insulating base 3 is fixedly installed in the box body 1, a plurality of wiring copper sheets 4 are circumferentially clamped and installed on the upper surface of the insulating base 3 according to the positions of the wiring ports 11, a plurality of U-shaped insulating blocks 32 are circumferentially fixedly installed on the upper surface of the insulating base 3, the wiring copper sheets 4 are located in the corresponding U-shaped insulating blocks 32, and the upper surfaces of the U-shaped insulating blocks 32 are all penetrated by bolts B33 for pressing down the wiring copper sheets 4, a copper bus plate 5 is fixedly installed on the upper surface of the insulating base 3, and the lower surface of the copper bus plate 5 is attached to the upper surfaces of the wiring copper sheets 4;

[0026] When wiring with the explosion-proof distribution box, the cover body 2 is separated from the box body 1 by unscrewing the bolts A21, then the cables to be connected are directly inserted into the wiring copper sheets 4 through the wiring ports 11 according to actual needs, and then the bolts B33 are tightened to press down the wiring copper sheets 4 and connect the cables, so that the cables are tightly clamped between the wiring copper sheets 4 and the insulating base 3. After wiring a plurality of cables in this way, the cables can be connected in circuit under the action of the copper bus plate 5 and the wiring copper sheets 4. Unlike the prior art, this wiring method can complete the wiring operation without adjusting the positions of the wiring terminals and the wiring ports 11, so that the wiring operation is more convenient and efficient.

[0027] In combination with the drawings shown in Figure 3 , Figure 4 and Figure 7 , a plurality of insertion grooves 31 are circumferentially and equidistantly formed on the upper surface of the insulating base 3, the wiring copper sheets 4 are in the shape of a broken line, the inner side ends of the wiring copper sheets 4 are inserted and installed in the corresponding insertion grooves 31, the lower surface of the copper bus plate 5 is circumferentially and equidistantly provided with a plurality of clamping grooves 51, the inner side ends of the wiring copper sheets 4 are clamped and arranged in the corresponding clamping grooves 51, an insulating pressing plate 6 is arranged above the copper bus plate 5, and a bolt C7 is screw-connected between the insulating pressing plate 6, the copper bus plate 5 and the insulating base 3;

[0028] When installing the distribution box, the outer side ends of the plurality of wiring copper sheets 4 are first inserted into the U-shaped insulating blocks 32, and then the inner side ends are inserted into the insertion grooves 31. After the installation of the wiring copper sheets 4 is completed, the copper bus plate 5 is buckled on the insulating base 3, and the clamping grooves 51 of the copper bus plate 5 are clamped on the outer side of the inner side ends of the wiring copper sheets 4. Then, the insulating pressing plate 6 is installed on the copper bus plate 5, and finally, the bottom end of the bolt C7 is screw-connected to the insulating base 3 through the insulating pressing plate 6 and the copper bus plate 5.

[0029] Because a plurality of wiring ports 11 are arranged, in actual application, some of the wiring ports 11 will be in an idle state. In order to ensure the dustproof effect of the distribution box, the Figure 5As shown, the rubber sealing plugs 111 are inserted and installed at the inner side ends of the wiring ports 11, and the idle wiring ports 11 can be sealed by means of the rubber sealing plugs 111, so as to ensure the dustproof effect of the junction box.

[0030] Finally, as Figure 5 shown, a plurality of U-shaped lug blocks 12 are fixedly installed at the lower end of the outer surface of the box body 1 in a circumferential equidistant manner, and the U-shaped lug blocks 12 are arranged in a staggered manner between the wiring ports 11, so that the explosion-proof junction box can be fixedly installed at the use position by means of the U-shaped lug blocks 12 and external bolts.

Claims

1. An explosion-proof distribution box, comprising a box body (1), a cover body (2) is installed on the upper surface of the box body (1), a plurality of bolts A (21) are installed between the cover body (2) and the box body (1), characterized in that, The outer surface of the box body (1) is provided with a plurality of wiring ports (11) in the circumference, the box body (1) is fixedly installed with an insulating base (3), the upper surface of the insulating base (3) is peripherally clamped and installed with a plurality of wiring copper sheets (4) according to the positions of the wiring ports (11), the upper surface of the insulating base (3) is peripherally fixedly installed with a plurality of U-shaped insulating blocks (32), the wiring copper sheet (4) is located in the corresponding U-shaped insulating block (32), and the upper surface of the U-shaped insulating block (32) is all installed with a bolt B (33) for pressing the wiring copper sheet (4), the upper surface of the insulating base (3) is fixedly installed with a copper bus plate (5), and the lower surface of the copper bus plate (5) is attached to the upper surface of the wiring copper sheet (4).

2. An explosion-proof distribution box according to claim 1, characterized in that The upper surface of the insulating base (3) is peripherally and equidistantly provided with a plurality of insertion grooves (31), the wiring copper sheet (4) is of a fold line type, and the inner side end of the wiring copper sheet (4) is inserted and installed in the corresponding insertion groove (31).

3. An explosion-proof distribution box according to claim 2, characterised in that The lower surface of the copper bus plate (5) is peripherally and equidistantly provided with a plurality of clamping grooves (51), and the inner side end of the wiring copper sheet (4) is clamped and arranged in the corresponding clamping groove (51).

4. The explosion-proof distribution box of claim 1, wherein, The upper surface of the copper bus plate (5) is provided with an insulating pressing plate (6), and the insulating pressing plate (6), the copper bus plate (5) and the insulating base (3) are screwed with a bolt C (7).

5. The explosion-proof distribution box of claim 1, wherein, The inner side end of the wiring port (11) is all inserted and installed with a rubber sealing plug (111).

6. The explosion-proof distribution box of claim 1, wherein, The lower end of the outer surface of the box body (1) is peripherally and equidistantly fixedly installed with a plurality of U-shaped ear blocks (12), and the U-shaped ear blocks (12) and the wiring ports (11) are arranged in a staggered manner.

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