Explosion-proof junction box

Abstract

The utility model relates to the technical field of junction boxes, and discloses an explosion-proof junction box, which comprises an explosion-proof box main body, the outer wall of the explosion-proof box main body is rotatably connected with a door plate through a welding hinge, the outer wall of the door plate is respectively provided with a button and an observation window, and the outer walls of the two sides of the explosion-proof box main body are fixedly provided with the junction box main body. A sealing detection assembly is arranged on the outer wall of the side, close to the door plate, of the junction box body. By pulling the sealing plate, one end of the sealing plate can be separated from the short outer wall of the rotating rod, the sealing plate rotates around the long outer wall of the rotating rod, and the thread line is mounted on the inner wall of the clamping block, so that the inner wall of the mounting plate can complete wiring work, and when the mounting plate is not used, the operation opposite to that of the mounting plate is performed. The sealing plate can cover the outer wall of the mounting plate, so that the sealing ring is clamped with the inner wall of the sealing plate, a sealing structure is formed on the inner wall of the adapter, the sealing performance of the adapter is improved, and the explosion-proof effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of junction boxes, in particular to an explosion-proof junction box. Background Art

[0002] There are many subdivision names for explosion-proof boxes, generally explosion-proof distribution boxes, explosion-proof control boxes, explosion-proof distribution cabinets, etc. can all be called explosion-proof boxes.

[0003] The existing explosion-proof junction box has poor sealing during use, and when leakage occurs due to insufficient sealing, it cannot be discovered in time, resulting in safety hazards. In addition, during the wiring process, air is easily introduced, which weakens the sealing of the box, thereby affecting the overall explosion-proof effect of the device. Improvements are now made. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an explosion-proof junction box, which has the advantage of good sealing effect and solves the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: an explosion-proof junction box, comprising an explosion-proof box body, the outer wall of the explosion-proof box body is rotatably connected with a door panel through a welding hinge, the outer walls of the door panel are respectively equipped with buttons and observation windows, the outer walls of both sides of the explosion-proof box body are fixedly equipped with the junction box body, the outer wall of the junction box body on one side close to the door panel is provided with a sealing detection component, the bottom of the junction box body is equipped with a wiring component through a wiring connection plate, the outer wall of the junction box body on one side away from the explosion-proof box body is equipped with an inspection door, and the outer wall of the inspection door is fixedly equipped with a handle.

[0006] As a preferred technical solution of the utility model, a hook is fixedly installed on the top of the explosion-proof box body, a pad is installed on the outer wall of the explosion-proof box body away from the door panel, the inner wall of the pad is provided with a threaded rod, the outer wall of the threaded rod is sleeved with an installation sleeve rod, the outer wall of the threaded rod away from the installation sleeve rod is fixedly installed with a main cavity wire, and the outer wall of the main cavity large wire is clamped with a large wire simulation.

[0007] As a preferred technical solution of the utility model, the sealing detection component includes a connecting tube, the inner wall of the connecting tube is respectively provided with eardrum one and eardrum two, and the outer wall of the connecting tube away from the junction box body is fixedly equipped with an alarm.

[0008] As a preferred technical solution of the utility model, the cross-sections of the eardrum one and the eardrum two are arc-shaped, and the outer walls on both sides of the eardrum one and the eardrum two are fixedly mounted on the inner wall of the connecting tube, an electrode chip is installed in the central inner cavity of the eardrum one and the eardrum two, and the electrode chip is electrically connected to the alarm, the inner wall of the connecting tube is connected to the inner wall of the junction box body, and the side of the connecting tube away from the alarm is clamped on the inner wall of the junction box body.

[0009] As a preferred technical solution of the utility model, the wiring assembly includes an adapter, the outer wall of the adapter is fixedly equipped with one end of the wiring tube, the other end of the wiring tube is fixedly equipped with a mounting plate, the outer walls on both sides of the wiring tube are fixedly equipped with clamping blocks, the inner wall of the mounting plate is respectively clamped with a short rotating rod and a long rotating rod, the outer wall of the long rotating rod is fixedly equipped with a blocking block, the outer wall of the mounting plate is fixedly equipped with a sealing ring, the outer walls of the short rotating rod and the long rotating rod are rotatably sleeved with a sealing plate, the outer wall of the sealing plate is fixedly equipped with a fixing rope, and the outer wall of the fixing rope is fixedly equipped with a threaded wire.

[0010] As a preferred technical solution of the utility model, the diameters of the short rotating rod and the long rotating rod are the same, and the length of the long rotating rod is greater than the length of the short rotating rod, the diameter of the blocking block is greater than the diameter of the long rotating rod, and the fixing rope and the clamping block are threadedly connected by a threaded line.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The explosion-proof junction box pulls the sealing plate so that one end of the sealing plate can be separated from the short outer wall of the rotating rod, and the sealing plate is rotated around the long outer wall of the rotating rod, and the thread line is installed on the inner wall of the clamping block, so that the inner wall of the mounting plate can complete the wiring work. When the mounting plate is not in use, the opposite operation can make the sealing plate cover the outer wall of the mounting plate, so that the sealing ring is engaged with the inner wall of the sealing plate, thereby forming a sealing structure for the inner wall of the adapter, increasing its sealing performance, and thus ensuring the explosion-proof effect.

[0013] 2. The explosion-proof junction box has a gap between the tympanic membrane 1 and the tympanic membrane 2, so the air pressure on the inner wall of the connecting tube is in a balanced state with the air pressure on the inner wall of the junction box body. The device has good sealing performance. When a leak occurs, the pressure on the inner wall of the connecting tube will change, causing the outer walls of the tympanic membrane 1 and the tympanic membrane 2 to contact each other, and the electrode chips in the inner cavities of the tympanic membrane 1 and the tympanic membrane 2 to contact each other. At this time, current will pass through, causing the alarm to sound, thus solving the problem of safety hazards caused by failure to promptly discover leaks due to insufficient sealing in existing devices. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a schematic diagram of the structure of the other side of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the hook of the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the wiring assembly structure of the utility model.

[0019] In the figure: 1. explosion-proof box body; 2. door panel; 3. button; 4. junction box body; 5. sealing detection assembly; 6. junction assembly; 7. inspection door; 8. handle; 9. observation window; 10. hook; 11. junction plate; 12. pad; 13. threaded rod; 14. mounting rod; 15. welding hinge; 16. main chamber wire; 17. wire simulation;

[0020] 501, connecting tube; 502, eardrum 1; 503, eardrum 2; 504, alarm;

[0021] 601, adapter; 602, wiring tube; 603, clamping block; 604, mounting plate; 605, short rotating rod; 606, long rotating rod; 607, blocking block; 608, sealing ring; 609, sealing plate; 610, fixing rope; 611, threaded line. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-5 , an explosion-proof junction box, comprising an explosion-proof box body 1, the outer wall of the explosion-proof box body 1 is rotatably connected with a door panel 2 through a welding hinge 15, the outer walls of the door panel 2 are respectively installed with a button 3 and an observation window 9, the outer walls of both sides of the explosion-proof box body 1 are fixedly equipped with a junction box body 4, the outer wall of the junction box body 4 on one side close to the door panel 2 is provided with a sealing detection component 5, the bottom of the junction box body 4 is installed with a wiring component 6 through a wiring connection plate 11, the outer wall of the junction box body 4 on one side away from the explosion-proof box body 1 is installed with an inspection door 7, and the outer wall of the inspection door 7 is fixedly installed with a handle 8;

[0024] By utilizing the above structure and arranging the inspection door 7 and the handle 8, it can be seen that when the device is being inspected, the inspection door 7 can be opened by the handle 8 without opening the entire device, thereby improving the convenience of inspection.

[0025] In a preferred embodiment, a hook 10 is fixedly installed on the top of the explosion-proof box body 1, a backing plate 12 is installed on the outer wall of the explosion-proof box body 1 away from the door panel 2, a threaded rod 13 is provided on the inner wall of the backing plate 12, a mounting sleeve rod 14 is sleeved on the outer wall of the threaded rod 13, a main cavity wire 16 is fixedly installed on the outer wall of the threaded rod 13 away from the mounting sleeve rod 14, and a large line simulation 17 is clamped on the outer wall of the main cavity large line 16;

[0026] By utilizing the above structure, through the setting of the pad 12 and the characteristics of the mounting sleeve rod 14 being sleeved on the outer wall of the threaded rod 13, it can be seen that the device can complete multi-stage movement and fixation, making the installation of the device diversified.

[0027] In a preferred embodiment, the sealing detection assembly 5 includes a connecting tube 501, the inner wall of the connecting tube 501 is provided with a tympanum 1 502 and a tympanum 2 503, and the outer wall of the connecting tube 501 away from the junction box body 4 is fixedly equipped with an alarm 504;

[0028] In a preferred embodiment, the cross-sections of the eardrum 1 502 and the eardrum 2 503 are arc-shaped, and the outer walls of both sides of the eardrum 1 502 and the eardrum 2 503 are fixedly mounted on the inner wall of the connecting tube 501, and the electrode chip is mounted at the central inner cavity of the eardrum 1 502 and the eardrum 2 503, and the electrode chip is electrically connected to the alarm 504, the inner wall of the connecting tube 501 is connected to the inner wall of the junction box body 4, and the side of the connecting tube 501 away from the alarm 504 is clamped on the inner wall of the junction box body 4;

[0029] By utilizing the above structure, through the characteristic that the inner wall of the connecting tube 501 is connected with the inner wall of the junction box body 4, it can be known that the air pressure on the inner wall of the connecting tube 501 and the air pressure on the inner wall of the junction box body 4 are in a balanced state under normal circumstances, so that there is a gap between the eardrum one 502 and the eardrum two 503. It can be known that the device has good sealing performance. When a leakage occurs, the pressure on the inner wall of the connecting tube 501 will change, so that the outer walls of the eardrum one 502 and the eardrum two 503 will contact each other, so that the electrode chips in the inner cavity of the eardrum one 502 and the eardrum two 503 will contact each other. At this time, current will pass through, causing the alarm 504 to sound an alarm.

[0030] In a preferred embodiment, the wiring assembly 6 includes an adapter 601, one end of a wiring tube 602 is fixedly mounted on the outer wall of the adapter 601, the other end of the wiring tube 602 is fixedly mounted with a mounting plate 604, both sides of the outer walls of the wiring tube 602 are fixedly mounted with a clamping block 603, the inner wall of the mounting plate 604 is respectively clamped with a short rotating rod 605 and a long rotating rod 606, the outer wall of the long rotating rod 606 is fixedly mounted with a blocking block 607, the outer wall of the mounting plate 604 is fixedly mounted with a sealing ring 608, the outer walls of the short rotating rod 605 and the long rotating rod 606 are rotatably sleeved with a sealing plate 609, the outer wall of the sealing plate 609 is fixedly mounted with a fixing rope 610, and the outer wall of the fixing rope 610 is fixedly mounted with a threaded line 611;

[0031] In a preferred embodiment, the diameters of the short rotating rod 605 and the long rotating rod 606 are the same, and the length of the long rotating rod 606 is greater than the length of the short rotating rod 605, the diameter of the blocking block 607 is greater than the diameter of the long rotating rod 606, and the fixing rope 610 is threadedly connected to the clamping block 603 through a thread line 611;

[0032] By utilizing the above structure, by pulling the sealing plate 609, one end of the sealing plate 609 can be separated from the outer wall of the short rotating rod 605, and the sealing plate 609 can be rotated around the outer wall of the long rotating rod 606, and the thread line 611 is installed on the inner wall of the block 603, so that the inner wall of the mounting plate 604 can complete the wiring work. When the mounting plate 604 is not in use, the opposite operation can be performed, so that the sealing plate 609 can cover the outer wall of the mounting plate 604, so that the sealing ring 608 is engaged with the inner wall of the sealing plate 609, thereby forming a sealing structure for the inner wall of the adapter 601, thereby increasing its sealing performance.

[0033] Working principle. When using the device, it can be known that the air pressure on the inner wall of the connecting tube 501 and the air pressure on the inner wall of the junction box body 4 are in a balanced state under normal circumstances, and the sealing plate 609 will fit with the outer wall of the mounting plate 604, and the threaded line 611 will be located on the inner wall of the block 603. When a leak occurs, the pressure on the inner wall of the connecting tube 501 will change, causing the outer walls of the tympanic membrane 1 502 and the tympanic membrane 2 503 to contact each other, so that the electrode chips in the inner cavity of the tympanic membrane 1 502 and the tympanic membrane 2 503 will contact each other. At this time, current passes through, causing the alarm 504 to sound an alarm. At the same time, when wiring is being performed, the sealing plate 609 can be moved outward so that one end of the sealing plate 609 can be detached from the outer wall of the short rotating rod 605, and the sealing plate 609 can be rotated around the outer wall of the long rotating rod 606, and the threaded line 611 can be installed on the inner wall of the block 603, so that the inner wall of the mounting plate 604 can complete the wiring work.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof junction box, comprising an explosion-proof box body (1), characterized in that: The outer wall of the explosion-proof box body (1) is rotatably connected to a door panel (2) via a welded hinge (15); the outer walls of the door panel (2) are respectively provided with a button (3) and an observation window (9); the outer walls of both sides of the explosion-proof box body (1) are fixedly provided with a junction box body (4); the outer wall of the junction box body (4) on one side close to the door panel (2) is provided with a sealing detection component (5); the bottom of the junction box body (4) is provided with a wiring component (6) via a wiring connection plate (11); the outer wall of the junction box body (4) on one side away from the explosion-proof box body (1) is provided with an inspection door (7); the outer wall of the inspection door (7) is fixedly provided with a handle (8).

2. The explosion-proof junction box according to claim 1, characterized in that: A hook (10) is fixedly mounted on the top of the explosion-proof box body (1); a backing plate (12) is mounted on the outer wall of the explosion-proof box body (1) away from the door panel (2); a threaded rod (13) is arranged on the inner wall of the backing plate (12); a mounting sleeve rod (14) is sleeved on the outer wall of the threaded rod (13); a main cavity large wire (16) is fixedly mounted on the outer wall of the threaded rod (13) away from the mounting sleeve rod (14); and a large wire simulation (17) is clamped on the outer wall of the main cavity large wire (16).

3. The explosion-proof junction box according to claim 1, characterized in that: The sealing detection component (5) comprises a connecting tube (501), the inner wall of which is provided with a tympanum 1 (502) and a tympanum 2 (503), and an alarm (504) is fixedly mounted on the outer wall of the connecting tube (501) on a side away from the junction box body (4).

4. The explosion-proof junction box according to claim 3, characterized in that: The cross-sections of the eardrum one (502) and the eardrum two (503) are arc-shaped, and the outer walls on both sides of the eardrum one (502) and the eardrum two (503) are fixedly mounted on the inner wall of the connecting tube (501). An electrode chip is mounted in the central inner cavity of the eardrum one (502) and the eardrum two (503), and the electrode chip is electrically connected to the alarm (504). The inner wall of the connecting tube (501) is connected to the inner wall of the junction box body (4), and the side of the connecting tube (501) away from the alarm (504) is clamped on the inner wall of the junction box body (4).

5. The explosion-proof junction box according to claim 1, characterized in that: The wiring assembly (6) comprises an adapter (601), one end of a wiring tube (602) is fixedly mounted on the outer wall of the adapter (601), the other end of the wiring tube (602) is fixedly mounted on a mounting plate (604), both sides of the outer walls of the wiring tube (602) are fixedly mounted with clamping blocks (603), the inner wall of the mounting plate (604) is respectively clamped with a short rotating rod (605) and a long rotating rod (606), the outer wall of the long rotating rod (606) is fixedly mounted with a blocking block (607), the outer wall of the mounting plate (604) is fixedly mounted with a sealing ring (608), the outer walls of the short rotating rod (605) and the long rotating rod (606) are rotatably sleeved with a sealing plate (609), the outer wall of the sealing plate (609) is fixedly mounted with a fixing rope (610), and the outer wall of the fixing rope (610) is fixedly mounted with a threaded wire (611).

6. The explosion-proof junction box according to claim 5, characterized in that: The diameters of the short rotating rod (605) and the long rotating rod (606) are the same, and the length of the long rotating rod (606) is greater than the length of the short rotating rod (605). The diameter of the blocking block (607) is greater than the diameter of the long rotating rod (606). The fixing rope (610) and the clamping block (603) are threadedly connected via a thread line (611).

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