High-low voltage power transformation cabinet convenient for wire arrangement

Abstract

The invention discloses a high-low voltage power transformation cabinet convenient for wire arrangement, and relates to the technical field of high-low voltage power transformation cabinets, the high-low voltage power transformation cabinet convenient for wire arrangement comprises a shell, a support is fixedly installed at the bottom of the shell, a cabinet door is rotatably installed on the front surface of the shell, and a cooling fan is fixedly installed at the top of the shell; a fixing frame is fixedly installed on the inner wall of the shell, an electronic device is fixedly installed on the side, close to the cabinet door, of the fixing frame, a wiring board is fixedly installed on the inner wall of the shell, a fixing device is further arranged in the shell, and the transverse rod is limited through a fixing key so that the cabinet door can be firmly locked when closed. Only the rotating handle is rotated to drive the inclined panel to move so as to release the limiting of the cross rod, so that the cabinet door is opened, the opening difficulty of the cabinet door is increased, misoperation can be avoided, and electrical equipment is prevented from being closed or adjusted during operation.

Description

Technical Field

[0001] The invention relates to the technical field of high and low voltage transformer cabinets, and in particular to a high and low voltage transformer cabinet that is convenient for wiring. Background Art

[0002] As the name suggests, high and low voltage distribution cabinets are distribution equipment used for power distribution, control, metering and cable connection in the power supply system. Generally, power supply bureaus and substations use high voltage switch cabinets.

[0003] The patent with the patent announcement number CN211208941U relates to a high and low voltage transformer cabinet that is convenient for wiring, wherein a first partition is arranged at the upper end of the inner side of the shell, and the first partition is connected to the upper end of the inner wall of the shell by a first fixing bolt, and a filter is arranged at the top of the first partition, and a cooling fan is arranged at the top of the shell, a second partition is arranged at the rear side of the first partition, and the second partition is arranged inside the shell, and a wiring groove is opened at the upper and lower ends of the second partition, and a protective cover is arranged at the edge of the wiring groove, and a limiting groove is arranged between the wiring grooves, and the limiting groove is opened on the surface of the second partition and the rear end of the slide rail, and a slide rail is arranged at the front side of the limiting groove, and the slide rail is fixed at the front side of the second partition, and a fixing piece is arranged in the slide rail, and a fixing hole is opened on the front surface of the slide rail. The high and low voltage transformer cabinet that is convenient for wiring provided by the patent has an auxiliary heat dissipation function, is convenient for adjusting the spacing between electrical switches, and is convenient for arranging internal lines.

[0004] The high and low voltage transformer cabinet provided by the above patent is convenient for wiring and has an auxiliary heat dissipation function, and is convenient for adjusting the distance between electrical switches, and is convenient for organizing the internal wiring. However, if the cabinet door is not locked, external impurities may adhere to the surface of the electronic device, causing a certain degree of corrosion to the electronic device and reducing the service life of the electronic device. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a high and low voltage transformer cabinet that is convenient for wiring, solving the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A high-low voltage transformer cabinet for arranging wires A high-low voltage transformer cabinet for arranging wires comprises a shell, a bracket is fixedly installed at the bottom of the shell, a cabinet door is rotatably installed on the front surface of the shell, a heat dissipation fan is fixedly installed on the top of the shell, a fixing frame is fixedly installed on the inner wall of the shell, an electronic device is fixedly installed on the side of the fixing frame close to the cabinet door, a wiring board is fixedly installed on the inner wall of the shell, and a fixing device is also provided inside the shell; In which, the fixing device includes a turning handle, a sliding plate, a pushing rod, an inclined panel, a cross bar, a fixed key, a slide plate and a buckle. The turning handle rotates and passes through the cabinet door, the sliding plate is fixedly installed on the rear side of the cabinet door, the pushing rod is slidably installed on the rear side of the sliding plate, the buckle is rotatably installed on the upper end of the sliding plate, the upper end of the sliding plate is provided with a sliding groove, the slide plate is slidably installed on the inner wall of the sliding groove, the cross bar is rotatably installed on the end of the sliding plate away from the turning handle, the inclined panel is slidably installed on the side of the cross bar close to the pushing rod, and the fixed key is slidably installed on the inner wall of the shell, and the cross bar is limited by the fixed key so that the cabinet door is firmly locked when closed. Only by rotating the turning handle to drive the inclined panel to move to release the limit on the cross bar can the cabinet door be opened. Increasing the difficulty of opening the cabinet door can avoid misoperation and prevent electrical equipment from being closed or adjusted during operation.

[0007] According to the above technical solution, a gear is fixedly installed on one end of the turning handle close to the sliding plate, a rack is slidably installed on the top of the sliding plate, the gears are meshed with each other, the push rod is fixedly installed on the rear side of the rack, and a slot is provided on the side of the cross bar close to the inclined panel. The slot is provided to limit the cross bar by a fixed key, the fixed key is in contact with the inner wall of the slot, and the fixed key is in contact with the slot to limit the cross bar.

[0008] According to the above technical solution, the side where the inclined plate and the fixed key are close to each other is set as an inclined plane. The inclined plate and the fixed key are provided with the inclined plane so that the inclined plate can better push one end of the fixed key. A square groove is provided on the upper surface of the slide plate. The side where the inclined plate and the push rod are close to each other is set as an inclined plane. A No. 1 torsion spring is provided between the buckle and the sliding plate. The No. 1 torsion spring is provided to drive the buckle to reset. A No. 1 spring is provided between the slide plate and the slide groove. The No. 1 spring is provided to drive the slide plate to reset. A No. 2 spring is provided between the fixed key and the inner wall of the shell. The No. 2 spring is provided to push the fixed key to reset.

[0009] According to the above technical scheme, a wire pulling device and a heat dissipation device are also provided inside the shell, and the wire pulling device includes a vertical rod, a fixed rod, a rotating rod, a short rod, a long rod, a sliding groove, a sliding groove, a push plate, a sliding block, a fixed block, a pin, a latch, a rotating clamp and a connecting rod. The vertical rod is slidably installed on the inner wall of the shell, the fixed rod is fixedly installed on the side of the vertical rod close to the fixed frame, the rotating rod is rotatably installed on the inner wall of the shell, the short rod is slidably installed on the inner wall of the shell, the long rod is slidably installed on the inner wall of the shell, the latch is fixedly installed on the bottom of the long rod, the sliding groove is fixedly installed on the inner wall of the shell, and the rotating clamp includes a base and a clamping plate, the base is slidably installed on the inner wall of the sliding groove, and the clamping plate rotates The base is installed on a side close to the electronic device, the sliding groove is fixedly installed on the inner wall of the shell, the sliding block is slidably installed on the inner wall of the sliding groove, one end of the connecting rod is rotatably installed on the side of the sliding block close to the cabinet door, the push plate is rotatably installed on the other end of the connecting rod, the fixed block is fixedly installed on the inner wall of the shell, and the column pin is slidably installed on the inner wall of the fixed block. The sliding of the long rod will drive the bolt to move, and the movement of the bolt will lose contact with the rotating clamp to release the limit on the rotating clamp, and the rotating clamp will be driven to rotate by the No. 2 torsion spring to clamp the electronic device to prevent the electronic device from loosening and falling if it is not repaired for a long time, causing the electronic device to fall from a high place to damage the electronic device at a lower place, thereby increasing the cost of maintenance.

[0010] According to the above technical solution, a No. 2 torsion spring is provided between the base of the rotating clamp and the clamp plate. The No. 2 torsion spring is provided to drive the clamp plate to rotate when the limit of the clamp plate is released. A bolt slot is provided on the side of the clamp plate close to the bolt. The shape of the bolt slot matches the shape of the bolt. A slot is provided on the upper end of the long rod. The short rod contacts the inner wall of the slot. The contact between the short rod and the inner wall of the slot is to push the long rod to move. The side of the short rod close to the slot is set as an inclined surface. The short rod is provided with an inclined surface to better push the long rod to move.

[0011] According to the above technical solution, the pin is in contact with the fixed rod, a circular hole is opened at the upper end of the sliding block, the shape of the circular hole matches the pin, and the side of the pin close to the sliding block is set as an inclined surface. The pin is provided with an inclined surface to protect the sliding block from being affected by the reset when it returns to its original position. A No. 3 spring is provided between the sliding block and the sliding groove, and the No. 3 spring is provided to push the sliding block to slide.

[0012] According to the above technical scheme, the heat dissipation device includes an L-shaped rod, a filter box, a sliding cover, a fixed plate, a pull rod, a hook and a lock. The L-shaped rod is slidably installed on the inner wall of the outer shell, the L-shaped rod is fixedly installed on the top of the long rod, the filter box is fixedly installed on the bottom of the heat dissipation fan, the sliding cover is slidably installed on the inner wall of the filter box, the fixed plate is slidably installed on the side of the filter box close to the inner wall of the outer shell, the pull rod is fixedly installed on the bottom of the fixed plate, the hook is fixedly installed on the side of the sliding cover close to the fixed plate, and the lock is rotatably installed on the top of the inner wall of the outer shell. Fixing the sliding cover by the lock can effectively prevent the filter box from loosening and falling from the top of the inner wall of the outer shell to cause damage to low-lying electronic devices, thereby increasing maintenance costs.

[0013] According to the above technical solution, the side where the L-shaped rod and the pull rod are close to each other is set as an inclined surface. The L-shaped rod and the pull rod are provided with an inclined surface so that the pull rod can be better pushed to move through the L-shaped rod. A No. 4 torsion spring is provided between the lock buckle and the outer shell. The No. 4 torsion spring is provided to drive the lock buckle to reset. A locking groove is provided at the bottom of the sliding cover. The lock buckle contacts the inner wall of the locking groove. A No. 4 spring is provided between the sliding cover and the filter box. The No. 4 spring is provided to push the sliding cover to move when the limit of the sliding cover is released.

[0014] The present invention provides a high and low voltage transformer cabinet that is convenient for wiring. It has the following beneficial effects: (1) The invention can lock the cabinet door of the transformer cabinet by limiting the position of the cross bar with a fixed key. Locking the cabinet door can effectively prevent the interior of the transformer cabinet from being affected by external factors, such as dust and other impurities entering the interior of the transformer cabinet and affecting the electronic devices inside the transformer cabinet. By limiting the cross bar with a fixed key, the cabinet door is firmly locked when closed. Only by turning the handle to drive the inclined panel to move and release the limit on the cross bar can the cabinet door be opened. Increasing the difficulty of opening the cabinet door can avoid misoperation and prevent electrical equipment from being closed or adjusted during operation.

[0015] (2) In this invention, the sliding block will be pushed out by the No. 3 spring. The movement of the sliding block will drive the connecting rod to rotate. The rotation of the connecting rod will push the push plate to move. The movement of the push plate will straighten the wires connecting the electronic devices, making the appearance of the wires clearer. This can increase the speed of workers in finding damaged wires and reduce the difficulty of maintenance for workers. The sliding of the long rod will drive the pin to move. The movement of the pin will lose contact with the rotating clamp and release the limit on the rotating clamp. The rotating clamp will then be driven by the No. 2 torsion spring to rotate and clamp the electronic devices to prevent the electronic devices from loosening and falling if they are not repaired for a long time, causing the electronic devices to fall from a high place and damage the electronic devices at a lower place, thereby increasing the cost of maintenance.

[0016] (3) The invention seals the filter box by means of a sliding cover so that when cleaning the filter box, the filter box must be sealed before being taken out, thereby preventing impurities on the inner wall of the filter box from flying out when the filter box is moved, causing the impurities to adhere to the surface of electronic devices and corrode the electronic devices, thereby reducing the service life of the electronic devices. The sliding cover is fixed by a lock, which can effectively prevent the filter box from loosening and falling from the top of the inner wall of the shell to damage the electronic devices at a lower position, thereby increasing the cost of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the position structure of the housing and the fixing frame of the present invention; Figure 3 This is a schematic diagram of the cabinet door and handle position structure of the present invention; Figure 4 It is a schematic diagram of the position structure of the sliding plate and the inclined rod of the present invention; Figure 5 This is a schematic diagram of the position structure of the horizontal rod and the vertical rod of the present invention; Figure 6 This is a schematic diagram of the long rod and the latch position structure of the present invention; Figure 7 This is a schematic diagram of the position structure of the sliding block and the connecting rod of the present invention; Figure 8 This is a schematic diagram of the position structure of the sliding cover and the filter box of the present invention.

[0018] In the figure: 1, shell; 2, bracket; 3, cabinet door; 4, cooling fan; 5, fixing frame; 6, electronic device; 7, wiring board; 101, turning handle; 102, sliding plate; 103, pushing rod; 104, inclined panel; 105, horizontal bar; 106, fixing key; 107, sliding plate; 108, buckle; 201, vertical bar; 202, fixing rod; 203, turning rod; 204, short rod; 205, long rod; 206, sliding groove; 207, sliding groove; 208, pushing plate; 209, sliding block; 210, fixing block; 211, pin; 212, latch; 213, rotating clamp; 214, connecting rod; 301, L-shaped rod; 302, filter box; 303, sliding cover; 304, fixing plate; 305, pull rod; 306, hook; 307, lock. DETAILED DESCRIPTION

[0019] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 8 One embodiment of the present invention is: a high and low voltage transformer cabinet for arranging wires, comprising a shell 1, a bracket 2 is fixedly installed at the bottom of the shell 1, a cabinet door 3 is rotatably installed on the front surface of the shell 1, a heat dissipation fan 4 is fixedly installed on the top of the shell 1, a fixing frame 5 is fixedly installed on the inner wall of the shell 1, an electronic device 6 is fixedly installed on the side of the fixing frame 5 close to the cabinet door 3, a wiring board 7 is fixedly installed on the inner wall of the shell 1, and a fixing device is also provided inside the shell 1; The fixing device includes a turning handle 101, a sliding plate 102, a pushing rod 103, an inclined plate 104, a cross bar 105, a fixing key 106, a sliding plate 107 and a buckle 108. The turning handle 101 rotates through the cabinet door 3, the sliding plate 102 is fixedly installed on the rear side of the cabinet door 3, the pushing rod 103 is slidably installed on the rear side of the sliding plate 102, the buckle 108 is rotatably installed on the upper end of the sliding plate 102, a sliding groove is opened on the upper end of the sliding plate 102, the sliding plate 107 is slidably installed on the inner wall of the sliding groove, and the cross bar 105 is rotatably installed. At the end of the sliding plate 102 away from the turning handle 101, the inclined plate 104 is slidably installed on the side of the cross bar 105 close to the pushing rod 103, and the fixed key 106 is slidably installed on the inner wall of the shell 1. The cross bar 105 is limited by the fixed key 106 so that the cabinet door 3 is firmly locked when closed. Only by turning the turning handle 101 to drive the inclined plate 104 to move and release the limit on the cross bar 105 can the cabinet door 3 be opened. Increasing the difficulty of opening the cabinet door 3 can avoid misoperation and prevent electrical equipment from being closed or adjusted during operation.

[0021] A gear is fixedly installed on one end of the turning handle 101 close to the sliding plate 102, and a rack is slidably installed on the top of the sliding plate 102. The gears are meshed with each other, and the push rod 103 is fixedly installed on the rear side of the rack. A slot is provided on the side of the cross bar 105 close to the inclined plate 104. The slot is provided to limit the cross bar 105 by a fixed key 106. The fixed key 106 contacts the inner wall of the slot, and the fixed key 106 contacts the slot to limit the cross bar 105.

[0022] The side where the inclined plate 104 and the fixed key 106 are close to each other is set as an inclined plane. The inclined plate 104 and the fixed key 106 are provided with the inclined plane so that the inclined plate 104 can better push one end of the fixed key 106. A square groove is provided on the upper surface of the slide plate 107. The side where the inclined plate 104 and the push rod 103 are close to each other is set as an inclined plane. A No. 1 torsion spring is provided between the buckle 108 and the sliding plate 102. The No. 1 torsion spring is provided to drive the buckle 108 to reset. A No. 1 spring is provided between the slide plate 107 and the slide groove. The No. 1 spring is provided to drive the slide plate 107 to reset. A No. 2 spring is provided between the fixed key 106 and the inner wall of the shell 1. The No. 2 spring is provided to push the fixed key 106 to reset.

[0023] When the present embodiment is working, when the staff inspects the transformer cabinet, they need to open the cabinet door 3 by the limit contact of the cabinet door 3, and turn the handle 101. When the handle 101 is turned, the gear will be driven to rotate, and the handle 101 will drive the rack to slide on the top of the sliding plate 102. When the rack slides, the push rod 103 will move. When the push rod 103 moves, it will contact the inclined surface of the inclined plate 104. Then the push rod 103 will push the inclined plate 104 to move in the direction of the fixed key 106, and the inclined plate 104 will contact the inclined plate 104. When the fixed key 106 contacts, the inclined panel 104 will push the fixed key 106 to move away from the cross bar 105. The movement of the fixed key 106 will release the limit on the cross bar 105 so that the cabinet door 3 can be opened. When the cabinet door 3 is opened, the slide plate 107 is pulled in the direction of the slide slot buckle 108 to slide, so that the buckle 108 contacts the inner wall of the square groove to limit the slide plate 107. The sliding of the slide plate 107 will release the limit on the cross bar 105 so that the cross bar 105 can rotate downward to avoid blocking the maintenance personnel.

[0024] See also Figure 1-Figure 8 On the basis of the above embodiment, in another embodiment of the present invention, a wire pulling device and a heat dissipation device are further provided inside the shell 1, and the wire pulling device includes a vertical rod 201, a fixed rod 202, a rotating rod 203, a short rod 204, a long rod 205, a sliding groove 206, a sliding groove 207, a push plate 208, a sliding block 209, a fixed block 210, a pin 211, a latch 212, a rotating clamp 213 and a connecting rod 214, the vertical rod 201 is slidably mounted on the inner wall of the shell 1, the fixed rod 202 is fixedly mounted on a side of the vertical rod 201 close to the fixed frame 5, the rotating rod 203 is rotatably mounted on the inner wall of the shell 1, the short rod 204 is slidably mounted on the inner wall of the shell 1, the long rod 205 is slidably mounted on the inner wall of the shell 1, the latch 212 is fixedly mounted on the bottom of the long rod 205, the sliding groove 206 is fixedly mounted on the inner wall of the shell 1, the rotating clamp 213 includes a base and a clamping plate, and the base is slidably mounted On the inner wall of the sliding groove 206, the clamp is rotatably installed on the side of the base close to the electronic device 6, the sliding groove 207 is fixedly installed on the inner wall of the shell 1, the sliding block 209 is slidably installed on the inner wall of the sliding groove 207, one end of the connecting rod 214 is rotatably installed on the side of the sliding block 209 close to the cabinet door 3, the push plate 208 is rotatably installed on the other end of the connecting rod 214, the fixed block 210 is fixedly installed on the inner wall of the shell 1, and the column pin 211 is slidably installed on the inner wall of the fixed block 210. The sliding of the long rod 205 will drive the latch 212 to move. The movement of the latch 212 will lose contact with the rotating clamp 213 to release the limit on the rotating clamp 213, and the rotating clamp 213 will be driven to rotate by the No. 2 torsion spring to clamp the electronic device 6 to prevent the electronic device 6 from loosening and falling if it is not repaired for a long time, causing the electronic device 6 to fall from a high place and damage the electronic device 6 at a low place, thereby increasing the cost of maintenance.

[0025] A No. 2 torsion spring is provided between the base of the rotating clamp 213 and the clamp plate. The No. 2 torsion spring is provided to drive the clamp plate to rotate when the limit of the clamp plate is released. A bolt slot is provided on the side of the clamp plate close to the bolt 212. The shape of the bolt slot matches the shape of the bolt 212. A slot is provided at the upper end of the long rod 205, and the short rod 204 contacts the inner wall of the slot. The contact between the short rod 204 and the inner wall of the slot is to push the long rod 205 to move. The side of the short rod 204 close to the slot is set as an inclined surface. The short rod 204 is provided with an inclined surface to better push the long rod 205 to move.

[0026] The pin 211 is in contact with the fixed rod 202, and a circular hole is opened at the upper end of the sliding block 209. The shape of the circular hole matches the pin 211. The side of the pin 211 close to the sliding block 209 is set as an inclined surface. The pin 211 is provided with an inclined surface to protect the sliding block 209 from being affected in resetting when the pin 211 returns to its original position. A No. 3 spring is provided between the sliding block 209 and the sliding groove 207. The No. 3 spring is provided to push the sliding block 209 to slide.

[0027] The heat dissipation device includes an L-shaped rod 301, a filter box 302, a sliding cover 303, a fixed plate 304, a pull rod 305, a hook 306 and a lock 307. The L-shaped rod 301 is slidably installed on the inner wall of the shell 1, the L-shaped rod 301 is fixedly installed on the top of the long rod 205, the filter box 302 is fixedly installed on the bottom of the heat dissipation fan 4, the sliding cover 303 is slidably installed on the inner wall of the filter box 302, the fixed plate 304 is slidably installed on the side of the filter box 302 close to the inner wall of the shell 1, the pull rod 305 is fixedly installed on the bottom of the fixed plate 304, the hook 306 is fixedly installed on the side of the sliding cover 303 close to the fixed plate 304, and the lock 307 is rotatably installed on the top of the inner wall of the shell 1. The sliding cover 303 is fixed by the lock 307, which can effectively prevent the filter box 302 from loosening and falling from the top of the inner wall of the shell 1 to damage the electronic components 6 at a lower position, thereby increasing the cost of maintenance.

[0028] The side where the L-shaped rod 301 and the pull rod 305 are close to each other is set as an inclined surface. The L-shaped rod 301 and the pull rod 305 are set with the inclined surface so that the pull rod 305 can be better pushed to move through the L-shaped rod 301. A No. 4 torsion spring is provided between the lock buckle 307 and the outer shell 1. The No. 4 torsion spring is provided to drive the lock buckle 307 to reset. A locking groove is provided at the bottom of the sliding cover 303, and the lock buckle 307 contacts the inner wall of the locking groove. A No. 4 spring is provided between the sliding cover 303 and the filter box 302. The No. 4 spring is provided to push the sliding cover 303 to move when the limit of the sliding cover 303 is released.

[0029] When the present embodiment is working, closing the cabinet door 3 will drive the cross bar 105 to move, and the movement of the cross bar 105 will contact the inclined surface of the vertical bar 201, so the cross bar 105 will push the vertical bar 201 to slide, and the sliding of the vertical bar 201 will drive the fixed rod 202 to move, and the movement of the fixed rod 202 will push the pin 211 to slide upward, and the pin 211 will lose contact with the circular hole when it moves upward to release the limit of the sliding block 209, and the sliding block 209 will be pushed out by the third spring, and the movement of the sliding block 209 will drive the connecting rod 214 to rotate, and the rotation of the connecting rod 214 will push the push plate 208 to move, and the movement of the push plate 208 will move the electronic device 6 The connected wires are straightened to make the appearance of the wires clearer. When the vertical rod 201 moves, it will contact the rotating rod 203. The vertical rod 201 will push the rotating rod 203 to rotate. The rotation of the rotating rod 203 will push the short rod 204 to move downward so that the short rod 204 contacts the inner wall of the slot, and the short rod 204 will push the long rod 205 to slide. The sliding of the long rod 205 will drive the pin 212 to move. The movement of the pin 212 will lose contact with the rotating clamp 213 to release the limit on the rotating clamp 213, and the rotating clamp 213 will be driven by the No. 2 torsion spring to rotate, clamping the electronic device 6 to prevent the electronic device 6 from loosening and falling off if it is not repaired for a long time.

[0030] When the long rod 205 slides, it will drive the L-shaped rod 301 to move. The movement of the L-shaped rod 301 will contact the inclined surface of the pull rod 305, and the L-shaped rod 301 will push the pull rod 305 to move. The movement of the pull rod 305 will pull the fixed plate 304 to slide downward. The fixed plate 304 will lose contact with the hook 306 when it slides downward, and the limit of the slide cover 303 will be released. The slide cover 303 will be pushed out by the No. 4 spring and will move away from the slide cover 303. When the filter box 302 is slid away from the filter box 302, the sliding cover 303 will contact the lock buckle 307, and the lock buckle 307 will contact the inner wall of the locking groove, and the lock buckle 307 will limit the sliding cover 303, so that when cleaning the filter box 302, the filter box 302 is sealed first and then the filter box 302 is taken out, so as to prevent impurities on the inner wall of the filter box 302 from flying out when the filter box 302 is moved, and also prevent the filter box 302 from loosening and falling from the top of the inner wall of the shell 1.

[0031] 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. A high and low voltage transformer cabinet for convenient wiring, comprising a housing (1), characterized in that: A bracket (2) is fixedly mounted on the bottom of the shell (1), a cabinet door (3) is rotatably mounted on the front surface of the shell (1), a heat dissipation fan (4) is fixedly mounted on the top of the shell (1), a fixing frame (5) is fixedly mounted on the inner wall of the shell (1), an electronic device (6) is fixedly mounted on the side of the fixing frame (5) close to the cabinet door (3), a wiring board (7) is fixedly mounted on the inner wall of the shell (1), and a fixing device, a wire pulling device and a heat dissipation device are also provided inside the shell (1); The fixing device comprises a turning handle (101), a sliding plate (102), a pushing rod (103), an inclined plate (104), a cross bar (105), a fixed key (106), a slide plate (107) and a buckle (108); the turning handle (101) is rotatably mounted to penetrate the cabinet door (3); the sliding plate (102) is fixedly mounted on the rear side of the cabinet door (3); the pushing rod (103) is slidably mounted on the rear side of the sliding plate (102); the buckle (108) is rotatably mounted on the upper end of the sliding plate (102); a sliding groove is provided on the upper end of the sliding plate (102); the slide plate (107) is slidably mounted on the inner wall of the sliding groove; the cross bar (105) is rotatably mounted on one end of the sliding plate (102) away from the turning handle (101); the inclined plate (104) is slidably mounted on a side of the cross bar (105) close to the pushing rod (103); and the fixed key (106) is slidably mounted on the inner wall of the housing (1).

2. A high and low voltage transformer cabinet for arranging cables according to claim 1, characterized in that: A gear is fixedly mounted on one end of the turning handle (101) close to the sliding plate (102), a rack is slidably mounted on the top of the sliding plate (102), the gears are meshed with each other, the push rod (103) is fixedly mounted on the rear side of the rack, a slot is formed on one side of the cross bar (105) close to the inclined plate (104), and the fixed key (106) contacts the inner wall of the slot.

3. The high and low voltage transformer cabinet for arranging cables according to claim 2, characterized in that: The side where the inclined plate (104) and the fixed key (106) are close to each other is set as an inclined surface, the upper surface of the slide plate (107) is provided with a square groove, the side where the inclined plate (104) and the push rod (103) are close to each other is set as an inclined surface, a No. 1 torsion spring is provided between the buckle (108) and the sliding plate (102), a No. 1 spring is provided between the slide plate (107) and the sliding groove, and a No. 2 spring is provided between the fixed key (106) and the inner wall of the housing (1).

4. The high and low voltage transformer cabinet for arranging cables according to claim 3 is characterized in that: The wire pulling device comprises a vertical rod (201), a fixed rod (202), a rotating rod (203), a short rod (204), a long rod (205), a sliding groove (206), a sliding groove (207), a push plate (208), a sliding block (209), a fixed block (210), a column pin (211), a latch (212), a rotating clamp (213) and a connecting rod (214), wherein the vertical rod (201) is slidably mounted on the inner wall of the housing (1), the fixed rod (202) is fixedly mounted on a side of the vertical rod (201) close to the fixed frame (5), the rotating rod (203) is rotatably mounted on the inner wall of the housing (1), the short rod (204) is slidably mounted on the inner wall of the housing (1), the long rod (205) is slidably mounted on the inner wall of the housing (1), the latch (212) is fixedly mounted on the inner wall of the housing (1), and the rotating rod (203) is rotatably mounted on the inner wall of the housing (1). The sliding groove (206) is fixedly mounted on the bottom of the long rod (205), the sliding groove (206) is fixedly mounted on the inner wall of the housing (1), the rotating clamp (213) comprises a base and a clamping plate, the base is slidably mounted on the inner wall of the sliding groove (206), the clamping plate is rotatably mounted on a side of the base close to the electronic device (6), the sliding groove (207) is fixedly mounted on the inner wall of the housing (1), the sliding block (209) is slidably mounted on the inner wall of the sliding groove (207), one end of the connecting rod (214) is rotatably mounted on a side of the sliding block (209) close to the cabinet door (3), the pushing plate (208) is rotatably mounted on the other end of the connecting rod (214), the fixed block (210) is fixedly mounted on the inner wall of the housing (1), and the column pin (211) is slidably mounted on the inner wall of the fixed block (210).

5. The high and low voltage transformer cabinet for arranging cables conveniently according to claim 4, characterized in that: A second torsion spring is provided between the base of the rotating clamp (213) and the clamping plate; a bolt slot is provided on a side of the clamping plate close to the bolt (212); the shape of the bolt slot matches the shape of the bolt (212); a slot is provided on the upper end of the long rod (205); the short rod (204) contacts the inner wall of the slot; and a side of the short rod (204) close to the slot is provided as an inclined surface.

6. The high and low voltage transformer cabinet for arranging cables according to claim 5, characterized in that: The pin (211) contacts the fixed rod (202); a circular hole is formed at the upper end of the sliding block (209); the shape of the circular hole matches the pin (211); a side of the pin (211) close to the sliding block (209) is formed as an inclined surface; and a No. 3 spring is provided between the sliding block (209) and the sliding groove (207).

7. The high and low voltage transformer cabinet for arranging cables according to claim 6, characterized in that: The heat dissipation device comprises an L-shaped rod (301), a filter box (302), a sliding cover (303), a fixing plate (304), a pull rod (305), a hook (306) and a lock (307); the L-shaped rod (301) is slidably mounted on the inner wall of the outer shell (1); the L-shaped rod (301) is fixedly mounted on the top of the long rod (205); the filter box (302) is fixedly mounted on the bottom of the heat dissipation fan (4); the sliding cover (303) is slidably mounted on the inner wall of the filter box (302); the fixing plate (304) is slidably mounted on a side of the filter box (302) close to the inner wall of the outer shell (1); the pull rod (305) is fixedly mounted on the bottom of the fixing plate (304); the hook (306) is fixedly mounted on a side of the sliding cover (303) close to the fixing plate (304); and the lock (307) is rotatably mounted on the top of the inner wall of the outer shell (1).

8. The high and low voltage transformer cabinet for arranging cables according to claim 7, characterized in that: The side where the L-shaped rod (301) and the pull rod (305) are close to each other is set as an inclined surface, a No. 4 torsion spring is provided between the lock buckle (307) and the shell (1), a locking groove is provided at the bottom of the sliding cover (303), the lock buckle (307) is in contact with the inner wall of the locking groove, and a No. 4 spring is provided between the sliding cover (303) and the filter box (302).

Images