Explosion-proof electric appliance cabinet convenient to overhaul

Abstract

The utility model relates to the technical field of electric appliance cabinets, and discloses an explosion-proof electric appliance cabinet convenient to overhaul, which comprises an explosion-proof cabinet body, a cabinet door is hinged to the surface of the explosion-proof cabinet body, and explosion-proof glass is fixedly connected to the inner side of the cabinet door. The whole rotating plate can be driven to rotate along the arc-shaped plate through the rotating rod by shifting the rotating block, then the rotating plate gradually gets close to the direction of the clamping ring while rotating, and when gradually getting close to the fixing blocks, the abutting block can be embedded into the position between the fixing blocks, so that the abutting block is embedded into the fixing blocks, and the abutting block can abut against the arc-shaped face of the push rod. Furthermore, the push rod is extruded to push the clamping block to lock the electric wire to a certain degree, so that the situation that the electric wire is hooked by a screwdriver or other tools in the overhauling process, and connection between the electric wire and the electric appliance switch is loosened is prevented, overhauling is facilitated, and meanwhile the electric wire connection position is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical cabinets, in particular to an explosion-proof electrical cabinet which is convenient for maintenance. Background Art

[0002] An explosion-proof electrical cabinet is a safety device used to prevent explosion accidents in electrical equipment. It is usually made of explosion-proof materials and has the characteristics of explosion-proof, fire-proof, dust-proof, waterproof, and corrosion-resistant. The main function of an explosion-proof electrical cabinet is to safely enclose electrical equipment in the cabinet to prevent explosion hazards caused by sparks, spatters, corrosive substances, etc. from the outside. It is usually equipped with explosion-proof switches, explosion-proof lamps, explosion-proof sockets and other equipment to ensure that electrical equipment can operate safely and reliably during work.

[0003] When the electrical cabinet is in use, wires need to be connected inside it for power transmission. However, during maintenance, if there are too many electrical switches inside, the lines will become complicated and crisscrossed, making maintenance inconvenient. In addition, during the maintenance process, the staff may hook other wires when using tools, causing the lines of other electrical switches to loosen. Utility Model Content

[0004] The purpose of the utility model is to provide an explosion-proof electrical cabinet which is convenient for maintenance, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: an explosion-proof electrical cabinet that is convenient for maintenance, comprising an explosion-proof cabinet, a cabinet door is hinged on the surface of the explosion-proof cabinet, an explosion-proof glass is fixedly connected to the inner side of the cabinet door, an electrical switch is fixedly connected to the inner wall of the explosion-proof cabinet, a threading hole is opened on the inner wall of the explosion-proof cabinet, a control unit is arranged inside the explosion-proof cabinet, and the control unit comprises:

[0006] A limit guide rail, both ends of which are fixedly connected to the inner wall of the explosion-proof cabinet, a slider is passed through the limit guide rail, and the slider is slidably connected to the limit guide rail, an arc plate is fixedly connected to the top surface of the slider, a bottom plate is fixedly connected to the inner side of the arc plate, and a fixed block is fixedly connected to the left surface of the bottom plate;

[0007] A clamping ring, the right side of which is fixedly connected to the left side of the base plate, a push rod passes through the surface of the clamping ring, an end of the push rod away from the arc plate is fixedly connected to a clamping block, a square hole is provided on the inner side of the clamping block, a return spring is fixedly connected to the inner side of the square hole, the rotating block is pushed in the reverse direction, and the return spring will pull the clamping block back to its original position, and the end of the return spring away from the square hole is fixedly connected to the surface of the clamping ring.

[0008] Preferably, the inner side of the arc plate is threadedly connected to a rotating plate, and when the arc plate and the rotating plate are fitted together, a circular ring is formed, so that the integrated wires are located on the inner side of the circular ring, and a resistance block and an engaging strip are fixedly connected to the surface of the rotating plate on one side close to the fixed block.

[0009] Preferably, a cavity is opened on the side of the turning plate, and an elastic hook is fixedly connected to the end of the turning plate away from the cavity. The wires with similar functions of the corresponding electrical switches are integrated together and placed on the inner side of the arc plate, and the slider is pushed to slide along the limiting guide rail, so that the elastic hook fixedly connected to the surface of the left turning plate is inserted into the cavity opened on the surface of the right turning plate.

[0010] Preferably, a rotating rod passes through the surface of the rotating plate, the rotating rod is rotatably connected to the rotating plate, and the rotating rod is inserted into the cavity, and the end of the rotating rod away from the cavity is fixedly connected to a rotating block, and when the rotating block is toggled, when the interference block gradually approaches the fixed block, it will be embedded in the position between the fixed blocks, so that the interference block and the fixed block are embedded, and the rotating rod passes through and is fixedly connected to a clamping plate, and then the rotating block is rotated, and the rotating block drives the clamping plate to rotate together through the rotating rod, so that the clamping plate is no longer stuck in the inner side of the elastic clamping hook, and the two sets of slide blocks can be pulled apart to release the lock, and a clamping spring is fixedly connected between the clamping plate and the cavity.

[0011] Preferably, the cross-section of the fixing block is trapezoidal, the cross-section of the resistance block is triangular, the end of the push rod close to the arc plate is an arc surface, the resistance block will resist the arc surface of the push rod, further squeezing the push rod to push the clamping block to lock the wire to a certain extent.

[0012] Preferably, there are six sliders in the control unit, and each two sliders form a group, for a total of three groups, and each group of sliders is symmetrically arranged. When the elastic hook completely exceeds the card plate, the elastic hook will hook the card plate, and at this time the symmetrical sliders fit together.

[0013] Compared with the prior art, the utility model provides an explosion-proof electrical cabinet that is convenient for maintenance and has the following beneficial effects:

[0014] 1. The explosion-proof electrical cabinet which is convenient for maintenance, when the rotating block is turned, the entire rotating plate will be driven to rotate along the arc plate through the rotating rod, so that the rotating plate will gradually approach the direction of the clamping ring while rotating, and when the resistance block gradually approaches the fixed block, it will be embedded in the position between the fixed blocks, so that the resistance block and the fixed block are embedded, and the resistance block will resist the arc surface of the push rod, further making the push rod squeezed and pushing the clamping block to lock the wire to a certain extent, preventing the screwdriver or other tools from hooking the wire during the maintenance process, causing the connection between the wire and the electrical switch to loosen, facilitating maintenance while protecting the wire connection position.

[0015] 2. The explosion-proof electrical cabinet which is convenient for maintenance passes the wires to be connected through the threading holes and connects them to the electrical switches. When the connection is completed, the wires with similar functions of the corresponding electrical switches can be integrated together and placed on the inner side of the arc plate, and the slider is pushed to slide along the limit guide rail, so that the elastic hook fixedly connected to the surface of the left rotating plate is inserted into the cavity opened on the surface of the right rotating plate. The inclined surface of the elastic hook will contact the card plate and be moved a certain distance. When the elastic hook completely exceeds the card plate, the elastic hook will hook the card plate, and at this time the symmetrical sliders will fit each other, and then the symmetrical arc plate and the symmetrical rotating plate will also fit each other. When the arc plate and the rotating plate fit together, a ring will be formed, so that the integrated wires are located on the inner side of the ring, to prevent the integrated wires from being entangled with other wires, which is convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the control unit of the utility model;

[0019] Figure 4 This is a schematic diagram of the partial expansion structure of the control unit of the utility model;

[0020] Figure 5 This is a schematic diagram of the inner structure of the arc-shaped plate of the utility model;

[0021] Figure 6 This is a schematic diagram of the cross-sectional structure of the rotating plate of the utility model;

[0022] Figure 7 This is a schematic diagram of the structure of the clamping block of the utility model.

[0023] In the figure: 1. explosion-proof cabinet; 2. control unit; 21. limit guide rail; 22. slider; 23. arc plate; 24. bottom plate; 25. fixed block; 26. snap ring; 27. push rod; 28. clamping block; 29. ​​square hole; 210. reset spring; 211. rotating plate; 213. resistance block; 214. fitting strip; 215. cavity; 216. elastic hook; 217. rotating rod; 218. rotating block; 219. clamping plate; 220. clamping spring; 3. cabinet door; 4. explosion-proof glass; 5. electrical switch; 6. threading hole. DETAILED DESCRIPTION

[0024] like Figure 1-Figure 7As shown, the utility model provides a technical solution: an explosion-proof electrical cabinet that is convenient for maintenance, comprising an explosion-proof cabinet body 1, a cabinet door 3 is hinged on the surface of the explosion-proof cabinet body 1, an explosion-proof glass 4 is fixedly connected to the inner side of the cabinet door 3, an electrical switch 5 is fixedly connected to the inner wall of the explosion-proof cabinet body 1, a threading hole 6 is opened on the inner wall of the explosion-proof cabinet body 1, and a control unit 2 is arranged inside the explosion-proof cabinet body 1, and the control unit 2 comprises: a limit guide rail 21, a slider 22, an arc plate 23, a bottom plate 24, a fixed block 25, a snap ring 26, a push rod 27, a clamping block 28, a square hole 29, a reset spring 210, a rotating plate 211, a resistance block 213, a fitting strip 214, a cavity 215, an elastic hook 216, a rotating rod 217, a rotating block 218, a clamping plate 219, and a clamping spring 220.

[0025] The two ends of the limit rail 21 are fixedly connected to the inner wall of the explosion-proof cabinet 1, the limit rail 21 is penetrated by a slider 22, and the slider 22 is slidably connected to the limit rail 21, the top surface of the slider 22 is fixedly connected to an arc plate 23, the inner side of the arc plate 23 is fixedly connected to a bottom plate 24, the left surface of the bottom plate 24 is fixedly connected to a fixed block 25, the right side of the clamping ring 26 is fixedly connected to the left side of the bottom plate 24, the surface of the clamping ring 26 is penetrated by a push rod 27, and the push rod 27 is away from One end of the arc plate 23 is fixedly connected with a clamping block 28, a square hole 29 is provided inside the clamping block 28, a return spring 210 is fixedly connected inside the square hole 29, and the rotating block 218 is reversely turned so that the resistance block 213 is no longer engaged with the fixed block 25, so that the resistance block 213 no longer squeezes the push rod 27, and the return spring 210 will pull the clamping block 28 back to its original position, and the end of the return spring 210 away from the square hole 29 is fixedly connected to the surface of the clamp ring 26. The inner side of the arc plate 23 is threadedly connected with a rotating plate 211, and when the arc plate 23 and the rotating plate 211 are attached, a ring is formed, so that the integrated wires are located inside the ring, preventing the integrated wires from being entangled with other wires, and facilitating maintenance. The surface of the rotating plate 211 close to the fixed block 25 is fixedly connected with the resistance block 213 and the engaging strip 214. A cavity 215 is provided on the side of the rotating plate 211, and an elastic hook 216 is fixedly connected to the end of the rotating plate 211 away from the cavity 215. The wires to be connected are passed through the threading hole 6 and connected to the electrical switch 5. When the connection is completed, the wires with similar functions corresponding to the electrical switch 5 can be integrated together and placed on the inner side of the arc plate 23, and the slider 22 is pushed to slide along the limiting guide rail 21, so that the elastic hook 216 fixedly connected to the surface of the left rotating plate 211 is inserted into the cavity 215 provided on the surface of the right rotating plate 211. The surface of the rotating plate 211 is penetrated by a rotating rod 217, the rotating rod 217 is rotatably connected to the rotating plate 211, and the rotating rod 217 is inserted into the cavity 215. The end of the rotating rod 217 away from the cavity 215 is fixedly connected to a rotating block 218. When the rotating block 218 is turned, the rotating block 218 will drive the entire rotating plate 211 to rotate along the arc plate 23 through the rotating rod 217, so that the rotating plate 211 gradually approaches the direction of the clamping ring 26 while rotating. When the abutment block 213 gradually approaches When it approaches the fixed block 25, it will be embedded in the position between the fixed blocks 25, so that the interference block 213 is embedded with the fixed block 25, and the rotating rod 217 passes through and is fixedly connected with the clamping plate 219, and then the rotating block 218 is rotated. The rotating block 218 drives the clamping plate 219 to rotate together through the rotating rod 217, so that the clamping plate 219 is no longer stuck in the inner side of the elastic hook 216, and the two groups of sliders 22 can be pulled apart to release the lock. A clamping spring 220 is fixedly connected between the clamping plate 219 and the cavity 215.The cross section of the fixing block 25 is a trapezoid, the cross section of the abutment block 213 is a triangle, the end of the push rod 27 close to the arc plate 23 is an arc surface, and the abutment block 213 will abut the arc surface of the push rod 27, further squeezing the push rod 27 to push the clamping block 28 to lock the wire to a certain extent. There are six sliders 22 in the control unit 2, and every two sliders 22 form a group, and there are three groups in total, and each group of sliders 22 is symmetrically arranged, and the inclined surface of the elastic hook 216 abuts against the card plate 219 and will abut and be moved a certain distance. When the elastic hook 216 completely exceeds the card plate 219, the elastic hook 216 will hook the card plate 219, and at this time, the symmetrical sliders 22 fit each other.

[0026] Based on the above embodiment, the wires to be connected are passed through the threading hole 6 and connected to the electrical switch 5. When the connection is completed, the wires with similar functions corresponding to the electrical switch 5 can be integrated together and placed on the inner side of the arc plate 23, and the slider 22 is pushed to slide along the limiting guide rail 21, so that the elastic hook 216 fixedly connected to the surface of the left rotating plate 211 is inserted into the cavity 215 opened on the surface of the right rotating plate 211. The inclined surface of the elastic hook 216 will contact and be moved a certain distance when it contacts the card plate 219. When the elastic hook 216 completely exceeds the card plate 219, the elastic hook 216 will hook the card plate 219, and at this time, the symmetrical sliders 22 fit each other, thereby making the symmetrical arc plate 23 and the symmetrical rotating plate 211 also fit each other. When the arc plate 23 and the rotating plate 211 fit together When the rotating block 218 is turned, the rotating block 218 will drive the entire rotating plate 211 to rotate along the arc plate 23 through the rotating rod 217, so that the rotating plate 211 gradually approaches the direction of the clamping ring 26 while rotating. When the resistance block 213 gradually approaches the fixed block 25, it will be embedded in the position between the fixed blocks 25, so that the resistance block 213 and the fixed block 25 are embedded, and the resistance block 213 will resist the arc surface of the push rod 27, further causing the push rod 27 to be squeezed, thereby pushing the clamping block 28 to lock the wire to a certain extent, preventing the screwdriver or other tools from hooking the wire during the maintenance process, causing the connection between the wire and the electrical switch 5 to loosen.

[0027] When contact limit is required, the rotating block 218 is toggled in the opposite direction so that the resistance block 213 is no longer engaged with the fixed block 25, so that the resistance block 213 no longer squeezes the push rod 27, and the return spring 210 pulls the clamping block 28 back to its original position, and then the rotating block 218 is rotated. The rotating block 218 drives the clamping plate 219 to rotate together through the rotating rod 217, so that the clamping plate 219 is no longer clamped in the inner side of the elastic hook 216, and the two sets of sliders 22 can be pulled apart to release the lock.

[0028] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An explosion-proof electrical cabinet that is easy to maintain, comprising an explosion-proof cabinet body (1), characterized in that: The surface of the explosion-proof cabinet (1) is hinged with a cabinet door (3), the inner side of the cabinet door (3) is fixedly connected with an explosion-proof glass (4), the inner wall of the explosion-proof cabinet (1) is fixedly connected with an electrical switch (5), the inner wall of the explosion-proof cabinet (1) is provided with a threading hole (6), and a control unit (2) is arranged inside the explosion-proof cabinet (1), and the control unit (2) comprises: A limiting guide rail (21), both ends of which are fixedly connected to the inner wall of the explosion-proof cabinet (1), a slider (22) passes through the limiting guide rail (21), and the slider (22) is slidably connected to the limiting guide rail (21), the top surface of the slider (22) is fixedly connected to an arc plate (23), the inner side of the arc plate (23) is fixedly connected to a bottom plate (24), and the left side surface of the bottom plate (24) is fixedly connected to a fixed block (25); A snap ring (26), the right side of the snap ring (26) is fixedly connected to the left side of the base plate (24), a push rod (27) passes through the surface of the snap ring (26), one end of the push rod (27) away from the arc plate (23) is fixedly connected to a clamping block (28), a square hole (29) is provided on the inner side of the clamping block (28), a return spring (210) is fixedly connected to the inner side of the square hole (29), and one end of the return spring (210) away from the square hole (29) is fixedly connected to the surface of the snap ring (26).

2. The explosion-proof electrical cabinet that is convenient for maintenance according to claim 1 is characterized in that: The inner side of the arc-shaped plate (23) is threadedly connected to a rotating plate (211), and a side surface of the rotating plate (211) close to the fixed block (25) is fixedly connected to a resisting block (213) and a fitting strip (214).

3. The explosion-proof electrical cabinet that is convenient for maintenance according to claim 2 is characterized in that: A cavity (215) is provided on the side of the rotating plate (211), and an end of the rotating plate (211) away from the cavity (215) is fixedly connected with an elastic hook (216).

4. The explosion-proof electrical cabinet that is convenient for maintenance according to claim 3 is characterized in that: A rotating rod (217) passes through the surface of the rotating plate (211), the rotating rod (217) is rotatably connected to the rotating plate (211), and the rotating rod (217) is inserted into the cavity (215). One end of the rotating rod (217) away from the cavity (215) is fixedly connected to a rotating block (218). The rotating rod (217) passes through and is fixedly connected to a clamping plate (219), and a clamping spring (220) is fixedly connected between the clamping plate (219) and the cavity (215).

5. The explosion-proof electrical cabinet that is convenient for maintenance according to claim 2 is characterized in that: The cross section of the fixing block (25) is trapezoidal, the cross section of the abutting block (213) is triangular, and one end of the push rod (27) close to the arc plate (23) is an arc surface.

6. The explosion-proof electrical cabinet convenient for maintenance according to claim 1 is characterized in that: The number of sliders (22) in the control part (2) is six, and two sliders (22) form a group, for a total of three groups, and the sliders (22) in each group are symmetrically arranged.

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