Junction box for network operation and maintenance

Abstract

The utility model relates to the technical field of junction boxes for maintenance, in particular to a junction box for network operation and maintenance, which comprises two groups of closed boxes, junction box bodies are arranged in the closed boxes, wiring rings are arranged at two ends of the junction box bodies, wiring cylinders are arranged in the wiring rings, and the junction boxes are arranged in the wiring cylinders. The junction box body is loaded in the closed box, and the periphery and the upper side of the junction box body are not in contact with the inner side of the closed box; and the sealing mechanism is arranged on the closed box, and the sealing mechanism is used for isolating the junction box body. According to the utility model, through the double-layer protection of the closed box and the junction box body, the protection capability of equipment is better, the adaptability to the environment is stronger, and the closed box can completely seal the junction box body, so that pulverized coal cannot enter the junction box body, thereby avoiding the influence of the pulverized coal on the equipment to the greatest extent, and improving the safety of the equipment. And the stability of the equipment in use is improved, and a negative pressure mechanism is further arranged.

Description

Technical Field

[0001] The utility model relates to the technical field of wiring boxes for maintenance, in particular to a wiring box for network operation and maintenance. Background Art

[0002] It is an area where humans mine coal resources in coal-rich mining areas. It is generally divided into underground coal mines and open-pit coal mines. When the coal seam is far from the surface, people generally choose to dig tunnels underground to mine coal. This is an underground coal mine. Various electromechanical devices are needed to assist in mining. These electromechanical devices need to be connected with wires. During the connection process, junction boxes are needed for wiring. However, the existing junction boxes have only one layer of protection. In the case of mine mining, the probability of collision is high. The protection of the conventional one-layer protection mechanism may not have a good protection effect. During the mining process, there will be mineral powder flying, and the dustproof effect of the general junction box is not very good. Coal powder may enter the junction box and cause unnecessary failures, and even possible combustion and other dangers. For this reason, we proposed a network operation and maintenance junction box to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a junction box for network operation and maintenance, so as to solve the problems in the background art that the protection effect of the existing junction box is not necessarily good in the case of coal mining and coal powder may enter the junction box.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a network operation and maintenance wiring box, comprising a closed box, wherein the closed box has two groups, and a wiring box body is arranged in the closed box.

[0005] The two ends of the junction box body are provided with a junction ring, the junction ring is provided with a junction barrel, the junction box body is loaded in the closed box and the surrounding and the upper side are not in contact with the inner side of the closed box;

[0006] A sealing mechanism, which is arranged on the closing box and is used to isolate the junction box body;

[0007] A negative pressure mechanism is arranged on the upper side of the closing box, and is used to protect the junction box body. The negative pressure mechanism includes a sleeve, and the sleeve is fixedly mounted on the closing box on the upper side. A connecting tube is fixedly mounted on the closing box on the upper side, and the connecting tube is connected to the sleeve and the closing box. A pull rod is movably inserted in the sleeve, and a rotating block is rotatably mounted on the end of the pull rod, and the length of the rotating block is greater than the distance between the pull rod and the closing box.

[0008] Preferably, the sealing mechanism comprises a sealing strip, and sealing strips are arranged at the edges of opposite sides of the closing box, and sealing rings are arranged on the left and right sides of the closing box, and the inner diameter of the sealing ring is adapted to the outer diameter of the wiring barrel.

[0009] Preferably, angle steels are fixedly installed at the four corners of the closing box, a screw rod is movably inserted in the upper angle steel, and a screw sleeve is fixedly installed in the lower angle steel, and the screw sleeve is connected to the screw rod through a threaded sleeve.

[0010] Preferably, a limiting groove is provided at the lower end of the rotating block, the edge of the limiting groove is rounded, and a limiting block is fixedly installed at the right end of the upper closing box, and the shape of the limiting block is adapted to the shape of the limiting groove.

[0011] Preferably, the distance between the pull rod and the closing box is greater than two centimeters, and the outer surface of the closing box is smooth.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides double-layer protection of the closing box and the junction box body to make the equipment more protective and more adaptable to the environment, and the closing box can completely seal the junction box body, so that coal powder cannot enter the junction box body, thereby avoiding the influence of coal powder on the equipment to the greatest extent, increasing the stability of the equipment during use, and a negative pressure mechanism is also provided to make the seal between the closing box and the junction box body tighter, further increasing the stability of the equipment during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structural separation of the utility model;

[0016] Figure 3 For this utility model Figure 1 A is a partial enlarged schematic diagram;

[0017] Figure 4 For this utility model Figure 2 A partial enlarged schematic diagram of B in the figure.

[0018] In the figure: 1. closing box; 2. junction box body; 3. junction ring; 4. junction barrel; 5. sealing strip; 6. sealing ring; 7. angle steel; 8. screw; 9. screw sleeve; 10. sleeve; 11. connecting barrel; 12. pull rod; 13. rotating block; 14. limiting groove; 15. limiting block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides an embodiment: a junction box for network operation and maintenance, comprising a closing box 1, two sets of closing boxes 1, a junction box body 2 is arranged in the closing box 1,

[0021] The two ends of the junction box body 2 are provided with a junction ring 3, and the junction ring 3 is provided with a junction barrel 4. The junction box body 2 is loaded in the closing box 1, and the surrounding and the upper side are not in contact with the inner side of the closing box 1;

[0022] A sealing mechanism, which is arranged on the closing box 1 and is used to isolate the junction box body 2;

[0023] A negative pressure mechanism is provided on the upper side of the closing box 1. The negative pressure mechanism is used to protect the junction box body 2. The negative pressure mechanism includes a sleeve 10. The sleeve 10 is fixedly mounted on the closing box 1 on the upper side. A connecting tube 11 is fixedly mounted on the closing box 1 on the upper side. The connecting tube 11 is connected with the sleeve 10 and the closing box 1. A pull rod 12 is movably inserted in the sleeve 10. A rotating block 13 is rotatably mounted on the end of the pull rod 12. The length of the rotating block 13 is greater than the distance between the pull rod 12 and the closing box 1. The device protects the closing box 1 through a sealing mechanism. A negative pressure mechanism is also provided to make the sealing between the closing box 1 and the junction box body 2 tighter, further increasing the stability of the device when in use, so that the close fit between the closing boxes 1 can be more stable, increasing the stability of the device when in use;

[0024] Further, the sealing mechanism includes a sealing strip 5, and the sealing strip 5 is arranged at the edge of the opposite side of the closing box 1, and the left and right sides of the closing box 1 are provided with a sealing ring 6, and the inner diameter of the sealing ring 6 is adapted to the outer diameter of the wire barrel 4. Figure 2 As shown, this structure enables the closing box 1 to seal the junction box body 2, thereby increasing the stability of the device during use.

[0025] Furthermore, angle steels 7 are fixedly installed at the four corners of the closed box 1, a screw rod 8 is movably inserted in the upper angle steel 7, and a screw sleeve 9 is fixedly installed in the lower angle steel 7, and the screw sleeve 9 is connected to the screw rod 8 by a threaded sleeve, as shown in FIG. Figure 3 As shown, this structure enables the upper and lower sides of the closed box 1 to be fixed by screws 8, thereby increasing the stability of the device when in use.

[0026] Furthermore, a limiting groove 14 is provided at the lower end of the rotating block 13, and the edge of the limiting groove 14 is rounded. A limiting block 15 is fixedly installed at the right end of the upper closing box 1, and the shape of the limiting block 15 is adapted to the shape of the limiting groove 14. Figure 4 As shown, this structure makes the placement of the pull rod 12 more stable, increasing the convenience of using the device.

[0027] Furthermore, the distance between the pull rod 12 and the closed box 1 is greater than two centimeters, and the outer surface of the closed box 1 is smooth. Figure 2 As shown, this structure makes it easier to clean the coal powder on the surface of the closed box 1, and it is difficult to have a cleaning dead corner.

[0028] Working principle: When in use, after connecting the wires with the junction box body 2, close the closing box 1 on the outside of the junction box body 2, so that the screw 8 is inserted into the screw sleeve 9 and screwed on. At this time, the sealing strips 5 are pressed against each other and the sealing ring 6 is pressed against the wiring barrel 4, and then pull the pull rod 12 to form a negative pressure in the closing box 1, and then rotate the rotating block 13 so that the limit block 15 is inserted into the limit groove 14. The above is the entire working principle of the utility model.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A junction box for network operation and maintenance, comprising a closing box (1), wherein the closing box (1) comprises two sets, wherein a junction box body (2) is arranged inside the closing box (1), Features: The two ends of the junction box body (2) are provided with junction rings (3), the junction rings (3) are provided with junction barrels (4), and the junction box body (2) is loaded in the closing box (1) and the surroundings and the upper side are not in contact with the inner side of the closing box (1); A sealing mechanism, the sealing mechanism being arranged on the closing box (1) and being used to isolate the junction box body (2); A negative pressure mechanism is provided on the upper side of a closing box (1), and is used to protect a junction box body (2). The negative pressure mechanism comprises a sleeve (10), and the sleeve (10) is fixedly mounted on the closing box (1) on the upper side. A connecting tube (11) is fixedly mounted on the closing box (1) on the upper side. The connecting tube (11) is connected to the sleeve (10) and the closing box (1). A pull rod (12) is movably inserted in the sleeve (10), and a rotating block (13) is rotatably mounted on the end of the pull rod (12), and the length of the rotating block (13) is greater than the distance between the pull rod (12) and the closing box (1).

2. A network operation and maintenance junction box according to claim 1, characterized in that: The sealing mechanism comprises a sealing strip (5), the sealing strip (5) being arranged at the edges of the opposite sides of the closing box (1), and sealing rings (6) being arranged on the left and right sides of the closing box (1), the inner diameter of the sealing ring (6) being adapted to the outer diameter of the wiring barrel (4).

3. A network operation and maintenance junction box according to claim 1, characterized in that: Angle steels (7) are fixedly installed at the four corners of the closing box (1); a screw rod (8) is movably inserted into the upper angle steel (7); a screw sleeve (9) is fixedly installed in the lower angle steel (7); and the screw sleeve (9) is connected to the screw rod (8) through a threaded sleeve.

4. A network operation and maintenance junction box according to claim 1, characterized in that: A limiting groove (14) is provided at the lower end of the rotating block (13), the edge of the limiting groove (14) is rounded, and a limiting block (15) is fixedly installed at the right end of the upper closing box (1), and the shape of the limiting block (15) is adapted to the shape of the limiting groove (14).

5. A network operation and maintenance junction box according to claim 1, characterized in that: The distance between the pull rod (12) and the closed box (1) is greater than two centimeters, and the outer surface of the closed box (1) is smooth.

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