An explosion-proof junction box for protecting incoming and outgoing lines

Abstract

The utility model belongs to the field of explosion-proof junction boxes, and specifically relates to an explosion-proof junction box with inlet and outlet protection, including an explosion-proof junction box body, an inlet and outlet hole is arranged on the outside of the explosion-proof junction box body, a button is arranged on the front of the explosion-proof junction box body, and a protective mechanism is arranged on the outside of the explosion-proof junction box body. The utility model designs components such as a protective sleeve, a screw, a handle, a connecting sleeve, a bearing and a clamping plate, and the screw and the protective sleeve are rotated to produce a threaded movement, and the screw rotates to drive the clamping plate and other components to move, and the clamping plate moves to contact the inlet and outlet lines, and then pushes the inlet and outlet lines to contact the limit plate, so that the inlet and outlet lines are limited, and then the inlet and outlet lines on the device are protected, and the inlet and outlet lines on the device are prevented from being pulled by external forces and loosened at the wiring point, causing the device to be broken and affecting the use of the device.

Description

Technical Field

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

[0002] An explosion-proof junction box is an electrical device with explosion-proof function, which is mainly used to safely distribute and connect power supply and load equipment in flammable, explosive or harmful gas environments. It has the ability to prevent the risk of explosion caused by sparks, arcs and high temperatures, and ensure the safe operation of electrical equipment in hazardous environments. The shell of the explosion-proof junction box is usually made of explosion-proof materials, with an explosion-proof shell, which can withstand the high pressure and impact generated in an explosive environment. At the same time, it also has an explosion-proof sealing structure, which can prevent sparks and arcs from entering the inside of the junction box, thereby reducing the risk of explosion. The explosion-proof junction box uses explosion-proof electrical components such as explosion-proof switches and explosion-proof sockets, which can operate safely in an explosive environment. When using an explosion-proof junction box, it is necessary to install, operate and maintain it in accordance with relevant safety specifications and standards. The operator should have relevant safety knowledge and skills, and regularly check the operating status of the casing, seals and electrical components of the junction box to ensure its explosion-proof performance and reliability. If any abnormality is found, it should be stopped and repaired or replaced in time. In short, the explosion-proof junction box is an important electrical equipment that can ensure the safe operation of electrical equipment in a hazardous environment. Its explosion-proof characteristics and reliability are crucial to protecting the safety of personnel and equipment. Therefore, in industrial production and practical applications, it is very important to correctly select, install and maintain explosion-proof junction boxes. In the prior art, when the device needs to be installed, it is necessary to use external tools to rotate and install the bolts on the device, which makes the device inconvenient to install. Moreover, when the device is in use, the device has no protective mechanism, and the input and output wires on the device are inconvenient to be protected. The input and output wires on the device are pulled loose at the connection point by external force, which may cause the device to short-circuit and affect the use of the device. Therefore, it is necessary to improve the prior art. Utility Model Content

[0003] The utility model aims to provide an explosion-proof junction box with inlet and outlet line protection, which solves the problem that when a device needs to be installed, the bolts on the device need to be rotated and installed with the help of external tools, which makes the device inconvenient to install, and when the device is used, the device has no protection mechanism, the inlet and outlet lines on the device are inconvenient to be protected, and the inlet and outlet lines on the device are loosened at the wiring points due to external force, which may cause a short circuit in the device and affect the use of the device.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an explosion-proof junction box with inlet and outlet wire protection, comprising an explosion-proof junction box main body, an inlet and outlet wire hole is arranged on the outside of the explosion-proof junction box main body, a button is arranged on the front of the explosion-proof junction box main body, a protection mechanism is arranged on the outside of the explosion-proof junction box main body, a mounting plate is contacted on the back of the explosion-proof junction box main body, a slide groove is opened inside the mounting plate, and a mounting mechanism is arranged on the outside of the explosion-proof junction box main body.

[0005] Preferably, the protection mechanism includes a protective sleeve, and the upper and lower ends of the explosion-proof junction box body are fixedly connected with protective sleeves, the interior of the protective sleeve is connected with a screw rod through a thread, the end of the screw rod away from the inlet and outlet holes is fixedly connected with a handle, the outer side of the screw rod is rotatably connected with a connecting sleeve, the side of the connecting sleeve close to the outlet hole is fixedly connected with a clamping plate, the interior of the protective sleeve is slidably connected with a clamping plate, and the interior of the protective sleeve is fixedly connected with a limit plate. The screw rod and the protective sleeve are threadedly moved, and the rotation of the screw drives the clamping plate and other components to move, and the clamping plate moves to contact the inlet and outlet lines, and then pushes the inlet and outlet lines to contact the limit plate, so that the inlet and outlet lines are limited, so that the inlet and outlet lines on the device are protected, and the inlet and outlet lines on the device are prevented from being pulled by external forces and loosened at the wiring point, causing the device to be short-circuited and affecting the use of the device.

[0006] Preferably, a bearing is fixedly sleeved inside the connecting sleeve, and a screw is fixedly sleeved inside the bearing. The bearing is designed to support the rotation of the screw.

[0007] Preferably, a guide rod is slidably connected to the interior of the protective sleeve, and a clamping plate is fixedly connected to one end of the guide rod close to the wire outlet hole. The clamping plate can be guided by designing the guide rod.

[0008] Preferably, the installation mechanism includes a slider, the slider is slidably connected inside the slide groove, the end of the slider away from the slide groove is fixedly connected to a pull rod, the mounting plate is slidably connected inside the pull rod, the outer side of the explosion-proof junction box body is fixedly connected to a connection seat, the connection seat is in contact with the mounting plate, the inner side of the pull rod is slidably connected to a fixed rod, the outer side of the fixed rod is provided with an elastic sponge, and the inner side of the connection seat is fixedly connected to a fixed rod. By pulling the slider to move to a specified position, and then moving the explosion-proof junction box body to drive the slider and other components to move, the slider is inserted into the specified position in the mounting plate, and then the slider is released, and the slider moves into the slide groove, so that the explosion-proof junction box body is limited, making the device easy to install.

[0009] Preferably, a pull block is fixedly connected to the pull rod, and the pull block is made of iron material. By designing the pull block to be made of iron material, the pull block is made more durable.

[0010] Preferably, a sliding groove is provided inside the connecting seat, and a pull rod is slidably connected inside the sliding groove. By designing the sliding groove, the pull rod can slide in the sliding groove.

[0011] Preferably, one end of the elastic sponge is fixedly connected to a pull rod, and the other end of the elastic sponge is fixedly connected to a connecting seat. By designing the elastic sponge, the pull rod has an elastic effect.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model designs components such as sliders, pull rods, pull blocks, connecting seats, sliding grooves and fixed rods, pulls the slider to a specified position, then moves the explosion-proof junction box body to drive the slider and other components to move, inserts the slider to a specified position in the mounting plate, then releases the slider, and moves the slider into the sliding groove, thereby limiting the explosion-proof junction box body and facilitating installation of the device.

[0014] 2. The utility model designs components such as a protective sleeve, a screw, a handle, a connecting sleeve, a bearing and a clamping plate. When the screw is rotated, a threaded motion occurs with the protective sleeve. The rotation of the screw drives the clamping plate and other components to move. The clamping plate moves and contacts the input and output wires, and then pushes the input and output wires to contact the limit plate, so that the input and output wires are limited, thereby protecting the input and output wires on the device and preventing the input and output wires on the device from being pulled by external force and becoming loose at the wiring point, causing the device to be short-circuited and affecting the use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A sectional stereogram of the overall structure;

[0017] Figure 3 For this utility model Figure 2 A magnified view of the protective cover;

[0018] Figure 4 For this utility model Figure 3 A magnified image of point A;

[0019] Figure 5 For this utility model Figure 2 Enlarged view of point B.

[0020] In the figure: 1. explosion-proof junction box body; 2. wire entry and exit holes; 3. button; 4. protection mechanism; 41. protection cover; 42. screw; 43. handle; 44. connecting sleeve; 45. bearing; 46. clamping plate; 47. guide rod; 48. limit plate; 5. mounting plate; 6. slide groove; 7. mounting mechanism; 71. slider; 72. pull rod; 73. pull block; 74. connecting seat; 75. sliding groove; 76. fixing rod; 77. elastic sponge. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 5 A explosion-proof junction box with inlet and outlet line protection comprises an explosion-proof junction box main body 1, an inlet and outlet line hole 2 is arranged on the outside of the explosion-proof junction box main body 1, a button 3 is arranged on the front of the explosion-proof junction box main body 1, a protection mechanism 4 is arranged on the outside of the explosion-proof junction box main body 1, a mounting plate 5 is contacted with the back of the explosion-proof junction box main body 1, a slide groove 6 is opened inside the mounting plate 5, and a mounting mechanism 7 is arranged on the outside of the explosion-proof junction box main body 1.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4The protection mechanism 4 includes a protection sleeve 41. The upper and lower ends of the explosion-proof junction box body 1 are fixedly connected with the protection sleeve 41. The interior of the protection sleeve 41 is connected with a screw rod 42 through a thread. The end of the screw rod 42 away from the inlet and outlet holes 2 is fixedly connected with a handle 43. The outer side of the screw rod 42 is rotatably connected with a connecting sleeve 44. The interior of the connecting sleeve 44 is fixedly sleeved with a bearing 45. The interior of the bearing 45 is fixedly sleeved with the screw 42. The bearing 45 is designed to support the rotation of the screw 42. The side of the connecting sleeve 44 close to the outlet hole 2 is fixedly connected with a clamping plate 46. The interior of the protective sleeve 41 is slidably connected with a guide rod 47. The guide rod 47 is close to the outlet hole 2 is fixedly connected with a clamping plate 46, and a guide rod 47 is designed to guide the clamping plate 46. The inside of the protective sleeve 41 is slidably connected with the clamping plate 46, and the inside of the protective sleeve 41 is fixedly connected with a limit plate 48. By rotating the screw 42 and the protective sleeve 41, a threaded movement occurs. The rotation of the screw 42 drives the clamping plate 46 and other components to move, and the clamping plate 46 moves to contact the incoming and outgoing lines, and then pushes the incoming and outgoing lines to contact the limit plate 48, so that the incoming and outgoing lines are limited, and the incoming and outgoing lines on the device are protected, preventing the incoming and outgoing lines on the device from being pulled by external force and loosening at the wiring point, causing the device to be broken and affecting the use of the device.

[0024] See also Figure 5 The mounting mechanism 7 includes a slider 71, the slider 71 is slidably connected inside the slide groove 6, and the end of the slider 71 away from the slide groove 6 is fixedly connected to a pull rod 72, and the mounting plate 5 is slidably connected to the pull rod 72. A pull block 73 is fixedly connected to the pull rod 72. The pull block 73 is made of iron material. By designing the pull block 73 as an iron material, the pull block 73 is more durable. A connecting seat 74 is fixedly connected to the outside of the explosion-proof junction box body 1. The connecting seat 74 contacts the mounting plate 5. A sliding groove 75 is provided inside the connecting seat 74. The sliding groove 75 is slidably connected to the pull rod 72. By designing the sliding groove 75, the pull rod 72 can slide in the sliding groove 75. A fixed rod 76 is slidably connected inside, and an elastic sponge 77 is arranged on the outside of the fixed rod 76. One end of the elastic sponge 77 is fixedly connected to the pull rod 72, and the other end of the elastic sponge 77 is fixedly connected to the connecting seat 74. By designing the elastic sponge 77, the pull rod 72 has an elastic force, and the inside of the connecting seat 74 is fixedly connected to the fixed rod 76. By pulling the slider 71 to move to the specified position, and then moving the explosion-proof junction box body 1 to drive the slider 71 and other components to move, the slider 71 is inserted into the specified position in the mounting plate 5, and then the slider 71 is released, and the slider 71 moves to the slide groove 6, so that the explosion-proof junction box body 1 is limited, so that the device is easy to install.

[0025] The specific implementation process of the utility model is as follows: when the device needs to be installed, the pull block 73 is pulled to move in the direction of the elastic sponge 77, the pull block 73 moves to drive the pull rod 72 to move, the pull rod 72 moves to compress the elastic sponge 77, the pull rod 72 moves to drive the slider 71 to move, after the slider 71 moves to the specified position, the explosion-proof junction box body 1 is moved to drive the pull block 73, the elastic sponge 77 and the slider 71 to move, and the slider 71 is inserted into the specified position in the mounting plate 5, and then the pull block 73 is released, the elastic force of the elastic sponge 77 pushes the pull rod 72 to move, the pull rod 72 moves to drive the slider 71 to move, and the slider 71 moves into the slide groove 6, so that the explosion-proof junction box body 1 is limited, so that the device is easy to install;

[0026] When the incoming and outgoing lines on the device need to be protected, the incoming and outgoing lines are passed through the incoming and outgoing line hole 2, and then the handle 43 is turned. The rotation of the handle 43 drives the screw 42 to rotate, and the rotation of the screw 42 and the protective sleeve 41 produce a threaded motion, so that the screw 42 is relatively displaced, and the rotation of the screw 42 drives the connecting sleeve 44 and the bearing 45 to move. The movement of the connecting sleeve 44 drives the clamping plate 46 to move, and the movement of the clamping plate 46 drives the guide rod 47 to move. The clamping plate 46 moves and contacts the incoming and outgoing lines, and then pushes the incoming and outgoing lines to contact the limiting plate 48, so that the incoming and outgoing lines are limited, so that the incoming and outgoing lines on the device are protected, and the incoming and outgoing lines on the device are prevented from being pulled by external force and loosened at the wiring point, causing the device to be broken and affecting the use of the device.

[0027] 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 for protecting incoming and outgoing wires, comprising an explosion-proof junction box body (1), characterized in that: The outer side of the explosion-proof junction box body (1) is provided with a wire inlet and outlet hole (2), the front side of the explosion-proof junction box body (1) is provided with a button (3), the outer side of the explosion-proof junction box body (1) is provided with a protective mechanism (4), the back side of the explosion-proof junction box body (1) contacts with a mounting plate (5), a sliding groove (6) is provided inside the mounting plate (5), and the outer side of the explosion-proof junction box body (1) is provided with a mounting mechanism (7).

2. The explosion-proof junction box with inlet and outlet protection according to claim 1, characterized in that: The protection mechanism (4) comprises a protection sleeve (41), the upper and lower ends of the explosion-proof junction box body (1) are fixedly connected to the protection sleeve (41), the interior of the protection sleeve (41) is connected to a screw rod (42) by threading, the end of the screw rod (42) away from the inlet and outlet holes (2) is fixedly connected to a handle (43), the outer side of the screw rod (42) is rotatably connected to a connecting sleeve (44), the side of the connecting sleeve (44) close to the outlet hole (2) is fixedly connected to a clamping plate (46), the interior of the protection sleeve (41) is slidably connected to the clamping plate (46), and the interior of the protection sleeve (41) is fixedly connected to a limit plate (48).

3. The explosion-proof junction box with inlet and outlet protection according to claim 2 is characterized in that: A bearing (45) is fixedly sleeved inside the connecting sleeve (44), and a screw rod (42) is fixedly sleeved inside the bearing (45).

4. The explosion-proof junction box with inlet and outlet protection according to claim 2 is characterized in that: A guide rod (47) is slidably connected inside the protective sleeve (41), and a clamping plate (46) is fixedly connected to one end of the guide rod (47) close to the wire outlet hole (2).

5. The explosion-proof junction box with inlet and outlet protection according to claim 1, characterized in that: The mounting mechanism (7) comprises a slider (71), the slider (71) is slidably connected inside the slide groove (6), the end of the slider (71) away from the slide groove (6) is fixedly connected to a pull rod (72), the mounting plate (5) is slidably connected inside the pull rod (72), the outer side of the explosion-proof junction box body (1) is fixedly connected to a connecting seat (74), the connecting seat (74) is in contact with the mounting plate (5), the inner side of the pull rod (72) is slidably connected to a fixing rod (76), an elastic sponge (77) is arranged on the outer side of the fixing rod (76), and the inner side of the connecting seat (74) is fixedly connected to the fixing rod (76).

6. The explosion-proof junction box with inlet and outlet protection according to claim 5, characterized in that: A pull block (73) is fixedly connected to the pull rod (72), and the pull block (73) is made of iron material.

7. The explosion-proof junction box with inlet and outlet protection according to claim 5, characterized in that: A sliding groove (75) is provided inside the connecting seat (74), and a pull rod (72) is slidably connected inside the sliding groove (75).

8. The explosion-proof junction box with inlet and outlet protection according to claim 5, characterized in that: One end of the elastic sponge (77) is fixedly connected to a pull rod (72), and the other end of the elastic sponge (77) is fixedly connected to a connecting seat (74).

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