Adjustable top sealing plate of switch cabinet

Abstract

The application discloses a switch cabinet top adjustable sealing plate and relates to the technical field of switch cabinet top sealing plates. The application comprises a top middle sealing plate, a support piece A is fixedly installed at the lower surface of the top middle sealing plate at one side edge, and a support piece B is fixedly installed at the lower surface of the top middle sealing plate at the other side edge. The support pieces on the top middle sealing plate and the top front sealing plate and the connecting holes between the support pieces are in the form of punched holes and are connected through rivets. The other end of the top middle sealing plate is connected with the support piece B and the support piece C through an aluminum plate, and the support piece C is rivet-connected. Due to the movable clamping of the rivet, the top front sealing plate is affected by gravity and is vertically downward after being turned to the position, thereby achieving the supporting purpose. The cover can be placed on the top rear sealing plate, thereby achieving the second supporting effect. The application solves the problem that wiring cannot be effectively performed in the prior art because the sealing plate cannot be completely turned, and only one hand can hold the sealing plate and the other hand can perform wiring, thereby improving the efficiency and reducing the fault tolerance.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of switch cabinet top sealing plates, and particularly relates to a switch cabinet top adjustable sealing plate. BACKGROUND

[0002] The switch cabinet is a kind of electrical equipment, and external lines first enter a main control switch in the cabinet, then enter a branch control switch, and each branch is set according to needs, such as instruments, automatic controls, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage switch cabinets, have high-voltage buses, such as power plants, and some also have low-cycle load shedding for the protection of main equipment.

[0003] At present, the existing switch cabinet top sealing plate needs to be turned up and opened for wiring in the field, but due to the height limitation of some field conditions, it cannot be completely turned up and cannot effectively wire, and only one hand can hold the sealing plate and the other hand can wire, which greatly reduces the efficiency, increases the error rate, and ignores the holding sealing plate during wiring, causing the turned sealing plate to fall back and cause personal injury to the wiring personnel. At the same time, wiring is on the top of the switch cabinet, the height from the ground is greater than 2 meters, which may cause great personal injury to the wiring personnel, the whole process is dangerous, the installation efficiency is low, and it is not economical. SUMMARY

[0004] The application aims to provide a switch cabinet top adjustable sealing plate, which solves the problem that the existing switch cabinet top sealing plate needs to be turned up and opened for wiring in the field, but due to the height limitation of some field conditions, it cannot be completely turned up and cannot effectively wire, and only one hand can hold the sealing plate and the other hand can wire, which greatly reduces the efficiency, increases the error rate, and ignores the holding sealing plate during wiring, causing the turned sealing plate to fall back and cause personal injury to the wiring personnel. At the same time, wiring is on the top of the switch cabinet, the height from the ground is greater than 2 meters, which may cause great personal injury to the wiring personnel, the whole process is dangerous, the installation efficiency is low, and it is not economical.

[0005] To solve the above technical problems, the application is realized by the following technical scheme:

[0006] The application discloses a switch cabinet top adjustable sealing plate, which comprises a top middle sealing plate, a support A is fixedly installed at one side edge of the lower surface of the top middle sealing plate, a support B is fixedly installed at the other side edge of the lower surface of the top middle sealing plate, a rivet is fixedly installed on the upper surface of the support A, a rivet of the same size is fixedly installed on the upper surface of the support B, the support B and the support A are fixedly connected with the top middle sealing plate through the rivets, a cover is fixedly installed on the upper surface of the top middle sealing plate through screws, aluminum plates are fixedly connected with the both ends of the support B through rivets, a support C is fixedly installed on one side surface of the aluminum plate through a rivet, a top front sealing plate is fixedly installed on the upper surface of the support C through a rivet, and a support is fixedly installed on the lower surface of the top front sealing plate through screws.

[0007] Further, a switch cabinet top plate is fixedly installed on the lower surface of the support through screws, one end of the top middle sealing plate close to the support A is provided with a lap joint part, the upper surface of the lap joint part is overlapped with a top rear sealing plate, the lower surface of the top rear sealing plate is fixedly installed with a support of the same size through screws, and the side, away from the top rear sealing plate, of the switch cabinet top plate is fixedly installed with a support D.

[0008] Further, rotating plates are fixedly installed at the both ends of the support D, the rotating plates are movably clamped with the support A through rivets, and one end of the top rear sealing plate is provided with a bearing part.

[0009] Further, one end of the top middle sealing plate is fixedly connected with one end of the top front sealing plate through a rivet and is kept free to rotate, the lap joint part of the other end of the top middle sealing plate is connected and adapted with the bearing part of one end of the top rear sealing plate, the top middle sealing plate is fixedly connected with the support D through a rivet and is kept free to rotate and is placed below the top rear sealing plate.

[0010] Further, support mechanisms are fixedly installed on the side, away from the support A, of the top middle sealing plate, the support mechanisms comprise guide rods fixedly installed on the both sides of the top middle sealing plate, guide grooves are formed in the lower surfaces of the guide rods, guide blocks are slidably connected with the inner side walls of the guide grooves, swing rods are movably clamped with the lower surfaces of the guide blocks, a plurality of guide holes of the same size are formed in one side surface of the swing rod, a first force arm is movably clamped with the inner side wall of one of the guide holes, a Z-shaped force arm is movably clamped with the inner side wall of another of the guide holes, and a second force arm is movably clamped with the end, close to the first force arm, of the swing rod through a rotating shaft.

[0011] Further, the middle part of the second force arm and the first force arm is provided with an inner moving slider, the two sides of the inner moving slider are fixedly provided with outer sliders through bolts, the side surface of the two outer sliders is provided with a plurality of through holes of the same size, the inner side wall of one of the through holes is movably connected with one end of the second force arm through a rotating shaft, and the inner side wall of the other through hole is movably connected with one end of the first force arm through a rotating shaft.

[0012] Further, the two sides of one end of the outer slider are provided with clamping parts, the front end of the clamping part is provided with a clamping part, the surface of the clamping part is clamped with a clamping block, the lower surface of the clamping block is fixedly provided with a tightening block, one end of the tightening block is provided with a recess, the side surface of the clamping part is placed on the recess, the other end surface of the tightening block is provided with a placing groove, the inner arc surface of the placing groove is fixedly provided with a limiting spring, and the two ends of the limiting spring are sleeved with limiting rods.

[0013] Further, the Z-shaped force arm is movably connected with a positioning block at the end away from the through hole through a rotating shaft, the upper surface of the positioning block is provided with a positioning groove, the two sides of the positioning block are slidably connected with sliding rods, the upper surface of the sliding rod is provided with a sliding groove, the inner side wall of the sliding groove is provided with a plurality of limiting grooves of the same size, and the limiting grooves are slidably matched with the limiting rods.

[0014] Further, the two sides of the positioning block are slidably connected with sliding rods, the upper surface of the sliding rod is provided with a sliding groove, the inner side wall of the sliding groove is provided with a plurality of limiting grooves of the same size, and the limiting grooves are slidably matched with the limiting rods.

[0015] The present application has the following advantages:

[0016] 1. The connecting holes between the support members on the top middle sealing plate and the top front sealing plate are in the form of small holes, and are connected through rivets, so that the rotating plate on the lower surface of the top middle sealing plate is flipped back around the support member D connected with one end through a rivet, and the other end of the top middle sealing plate is connected with the support member B and the support member C through an aluminum plate, and is rivet-connected with the support member C, and when the top middle sealing plate is flipped back, the top front sealing plate is affected by gravity and is vertically downward after being flipped, so as to achieve the purpose of supporting, and the cover can be placed on the top rear sealing plate, so as to achieve the second supporting effect, solve the problem that the existing technology cannot be completely flipped and cannot effectively wire, and only one hand can hold the sealing plate and the other hand can wire, improve the efficiency and reduce the fault rate.

[0017] 2. The height difference between the set top middle cover plate and the top rear cover plate realizes the fixing by the top rear cover plate pressing the top middle cover plate without additional fasteners, realizes the fixing by the top rear cover plate pressing the top middle cover plate through the height difference due to the height difference between the top middle cover plate and the top rear cover plate after the wiring of the staff is completed, solves the problem that the existing technology often ignores the supporting cover plate during the wiring process, causes the turned cover plate to fall back, causes personal injury to the wiring personnel, improves the installation efficiency, and reduces the self-injury of the staff;

[0018] 3. The support mechanism is set, the staff does not need to push the top middle cover plate to the vertical state, when the outer sliding block moves forward, the limiting rod in the positioning block makes the sliding clamping in any one limiting groove, the top middle cover plate can be kept unfolded, the top middle cover plate can be pushed to any position according to the demand of the staff, the problem that the staff does not need to completely unfold when observing the wiring condition in the prior art is solved, the stability of the overall device is improved, the top middle cover plate is further supported, and the top middle cover plate can be pushed to any position according to the demand of the staff;

[0019] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and those skilled in the art can also obtain other implementation drawings according to the provided drawings without creative labor.

[0021] Figure 1 It is a structure schematic diagram of a switch cabinet top adjustable cover plate of the present application;

[0022] Figure 2 It is a folding state structure schematic diagram of a switch cabinet top adjustable cover plate of the present application;

[0023] Figure 3 It is a switch cabinet top plate structure schematic diagram of a switch cabinet top adjustable cover plate of the present application;

[0024] Figure 4 It is a support mechanism disassembly structure schematic diagram of a switch cabinet top adjustable cover plate of the present application;

[0025] Figure 5 It is a top plate structure schematic diagram of a switch cabinet top adjustable cover plate of the present application;

[0026] Figure 6 It is a plane structure schematic diagram of a switch cabinet top adjustable cover plate of the present application;

[0027] Figure 7 A second perspective view of a support mechanism for an adjustable top cover plate of a switch cabinet according to the present application;

[0028] Figure 8 A bottom view of a top plate of an adjustable top cover plate of a switch cabinet according to the present application;

[0029] Figure 9 An adjustable top cover plate of a switch cabinet according to the present application Figure 4 An enlarged view of structure at A in the middle.

[0030] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0031] 1, top middle cover plate; 2, support A; 3, support B; 4, rivet; 5, cover; 6, aluminum plate; 7, support C; 8, top front cover plate; 9, switch cabinet top plate; 10, lap joint; 11, top rear cover plate; 12, support D; 13, rotating plate; 14, bearing portion; 15, support mechanism; 151, guide rod; 152, guide block; 153, swing rod; 154, first force arm; 155, Z-shaped force arm; 156, second force arm; 157, inner sliding block; 158, outer sliding block; 159, clamping portion; 1510, abutting portion; 1511, clamping block; 1512, tightening block; 1513, placement groove; 1514, limiting spring; 1515, limiting rod; 1516, positioning block; 1517, sliding rod; 1518, sliding groove; 1519, limiting groove. DETAILED DESCRIPTION

[0032] The exemplary embodiments will be described in detail hereinbelow with reference to the drawings. In the following description, the same numbers represent the same or similar elements throughout the drawings. The embodiments described in the following exemplary embodiments are not representative of all embodiments consistent with the present disclosure. Rather, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] Embodiment 1

[0035] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 8As shown, the present application is a switch cabinet top adjustable sealing plate, including top middle sealing plate 1, the lower surface of the top middle sealing plate 1 is fixedly installed with support A2 at one side edge, the lower surface of the top middle sealing plate 1 is fixedly installed with support B3 at the other side edge, the upper surface of the support A2 is fixedly installed with rivet 4, the upper surface of the support B3 is fixedly installed with rivet 4 of the same size, the support B3 and the support A2 are fixedly connected with the top middle sealing plate 1 through the rivet 4, the upper surface of the top middle sealing plate 1 is fixedly installed with cover 5 in the middle, both ends of the support B3 are fixedly connected with aluminum plate 6 through rivet 4, one side surface of the aluminum plate 6 is fixedly installed with support C7 through rivet 4, the upper surface of the support C7 is fixedly installed with top front sealing plate 8 through rivet 4, the lower surface of the top front sealing plate 8 is fixedly installed with support at one side edge through screw, the lower surface of the support is fixedly installed with switch cabinet top plate 9 through screw, one end of the top middle sealing plate 1 close to the support A2 is provided with overlapping part 10, the upper surface of the overlapping part 10 is overlapped with top rear sealing plate 11, the lower surface of the top rear sealing plate 11 is fixedly installed with support of the same size through screw, one side of the switch cabinet top plate 9 away from the top rear sealing plate 11 is fixedly installed with support D12, both ends of the support D12 are fixedly installed with rotating plate 13, the rotating plate 13, one side surface of the rotating plate 13 is movably clamped with the support A2 through rivet 4, one end of the top rear sealing plate 11 is provided with bearing part 14, one end of the top middle sealing plate 1 and one end of the top front sealing plate 8 are fixedly connected through rivet 4 and keep free rotation, the overlapping part 10 of the other end of the top middle sealing plate 1 is connected with the bearing part 14 of one end of the top rear sealing plate 11, the top middle sealing plate 1 is fixedly connected with the support D12 through rivet 4 and keep free rotation, and is placed below the top rear sealing plate 11.

[0036] Exemplarily, the top middle sealing plate 1 is lifted by the staff, the rotating plate 13 fixedly installed with rivet 4 on the lower surface of the top middle sealing plate 1 is turned back around the support D12 fixedly installed with rivet 4 at one end, and the other end of the top middle sealing plate 1 is connected with the support B3 and the support C7 through the aluminum plate 6, and is rivet 4 connected with the support C7, and when the top middle sealing plate 1 is turned back, the top front sealing plate 8 is affected by gravity due to the movable clamping of the rivet 4, is vertically downward after turning to the position, and achieves the purpose of supporting, and the cover 5 can be placed on the top rear sealing plate 11, and achieves the second supporting effect, and when the staff completes the wiring, the top middle sealing plate 1 and the top rear sealing plate 11 have a height difference, and the top middle sealing plate 1 is pressed by the top rear sealing plate 11 through the height difference, and no additional fastener is needed for fixing.

[0037] Embodiment 2

[0038] Please refer to Figure 4 、 Figure 6 、 Figure 7 and Figure 9As shown, the top middle sealing plate 1 is fixedly installed with a support mechanism 15 away from the side of the support A2, the support mechanism 15 includes a guide rod 151 fixedly installed on both sides of the top middle sealing plate 1, the lower surface of the guide rod 151 is provided with a guide groove, the inner side wall of the guide groove is slidably connected with a guide block 152, the lower surface of the guide block 152 is movably connected with an oscillating rod 153, one side surface of the oscillating rod 153 is provided with a plurality of equal size through holes, the inner side wall of one of the through holes is movably connected with a first force arm 154, the inner side wall of another through hole is movably connected with a Z-shaped force arm 155, one end of the oscillating rod 153 close to the first force arm 154 is movably connected with a second force arm 156 through a pivot, the middle part of the second force arm 156 and the first force arm 154 is provided with an inner sliding block 157, the two sides of the inner sliding block 157 are fixedly installed with an outer sliding block 158 through bolts, the side surface of the two outer sliding blocks 158 is provided with a plurality of equal size through holes, the inner side wall of one of the through holes is movably connected with one end of the second force arm 156 through a pivot, the inner side wall of another through hole is movably connected with one end of the first force arm 154 through a pivot, the two sides of one end of the outer sliding block 158 are provided with a clamping portion 159, the front end of the clamping portion 159 is provided with an abutting portion 1510, the surface of the clamping portion 159 is clamped with a clamping block 1511, the lower surface of the clamping block 1511 is fixedly installed with a tightening block 1512, one end of the tightening block 1512 is provided with a recessed portion, the side surface of the abutting portion 1510 is placed on the recessed portion, the other end surface of the tightening block 1512 is provided with a placing groove 1513, the inner arc surface of the placing groove 1513 is fixedly installed with a limiting spring 1514, the two ends of the limiting spring 1514 are sleeved with a limiting rod 1515, one end of the Z-shaped force arm 155 away from the through hole is movably connected with a positioning block 1516 through a pivot, the upper surface of the positioning block 1516 is provided with a positioning groove, the two sides of the positioning block 1516 are slidably connected with a sliding rod 1517, the upper surface of the sliding rod 1517 is provided with a sliding groove 1518, the inner side wall of the sliding groove 1518 is provided with a plurality of equal size limiting grooves 1519, the limiting grooves 1519 are slidably matched with the limiting rods 1515.

[0039] Exemplary, when the staff lifts the top middle sealing plate 1, the guide rods 151 on both sides of the lower surface of the top middle sealing plate 1 move backward together with the top middle sealing plate 1 through the support mechanism 15, the internally slidingly connected guide block 152 moves downward, at the same time driving the swing rod 153 to flip backward, making the Z-shaped force arm 155, the first force arm 154 and the second force arm 156 horizontally flip backward, synchronizing with the guide rod 151, at the same time, the outer sliding block 158 moves backward in the sliding rod 1517 due to the pulling force of each force arm, and the clamping part 159 of the outer sliding block 158 is clamped in the middle of the clamping block 1511, and due to the secondary clamping of the abutting part 1510, the forward and backward movement of the inner moving sliding block 157 cannot be effectively protected from falling off, at the same time, the staff does not need to push the top middle sealing plate 1 to the vertical state, when the outer sliding block 158 moves forward, through the limiting rod 1515 in the positioning block 1516, the sliding clamping in any one limiting groove 1519 can keep the top middle sealing plate 1 unfolded, and can be pushed to any position according to the needs of the staff.

[0040] Example 3

[0041] Specifically, the top plate of the adjustable top sealing plate of the switch cabinet can be used as follows: the worker lifts the top middle sealing plate 1, turns the rotating plate 13 fixed on the lower surface of the top middle sealing plate 1 around the support D12 fixed on one end by the rivet 4, and connects the support B3 and the support C7 of the top middle sealing plate 1 by the aluminum plate 6, and connects the support C7 by the rivet 4, and when the top middle sealing plate 1 is turned backward, the top front sealing plate 8 is affected by gravity and is vertically downward after being turned to the position, achieving the purpose of support, and the cover 5 can be placed on the top rear sealing plate 11, achieving the second supporting effect, and when the worker lifts the top middle sealing plate 1, the guide rods 151 on the lower surface of the top middle sealing plate 1 move backward together with the top middle sealing plate 1, the guide blocks 152 connected to the inside slide downward, at the same time, the swing rods 153 are turned backward, the Z-shaped force arms 155, the first force arms 154 and the second force arms 156 on one side surface are horizontally turned backward, the outer sliding blocks 158 move backward in the sliding rods 1517 due to the pulling force of the force arms, the clamping part 159 of the outer sliding block 158 is clamped in the middle of the clamping block 1511, and the forward and backward movement of the inner sliding block 157 is effectively protected due to the secondary clamping of the abutting part 1510, and the worker does not need to push the top middle sealing plate 1 to the vertical state, when the outer sliding block 158 moves forward, the sliding clamping in any one limiting groove 1519 is achieved by the limiting rod 1515 in the positioning block 1516, the unfolding of the top middle sealing plate 1 can be maintained, and the top middle sealing plate 1 can be pushed to any position according to the demand of the worker, and when the worker completes the wiring, the top middle sealing plate 1 is pressed by the top rear sealing plate 11 due to the height difference, and no additional fastener is needed to fix.

[0042] Although embodiments of the present application have been shown and described, it would be appreciated by those skilled in the art that changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the application, the scope of which is defined by the appended claims and their equivalents.

[0043] Other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses or adaptations of the disclosure other than those expressly indicated by the claims and their equivalents. The specification and examples are to be regarded as illustrative only, and the true scope of the present disclosure is indicated by the following claims.

Claims

1. A switchgear top adjustable cover plate, characterized by: Including top middle sealing plate (1), the lower surface of the top middle sealing plate (1) one side edge fixed mounting has support piece A (2), the lower surface of the top middle sealing plate (1) other side edge fixed mounting has support piece B (3), The lower surface of the bracket is fixedly installed with a switch cabinet top plate (9), and the switch cabinet top plate (9) is fixedly installed with a support piece D (12) on one side close to the top rear sealing plate (11); The upper surface of the support piece A (2) is fixedly installed with a rivet (4), and the upper surface of the support piece B (3) is fixedly installed with a rivet (4) of the same size, the support piece B (3) and the support piece A (2) are fixedly connected with the top middle sealing plate (1) through the rivet (4), the upper surface of the top middle sealing plate (1) is fixedly installed with a cover (5) through a screw, both ends of the support piece B (3) are fixedly connected with an aluminum plate (6) through a rivet (4), one side surface of the aluminum plate (6) is fixedly installed with a support piece C (7) through a rivet (4), the upper surface of the support piece C (7) is fixedly installed with a top front sealing plate (8) through a rivet (4), and the lower surface of the top front sealing plate (8) is fixedly installed with a bracket at one side edge through a screw; Both ends of the support piece D (12) are fixedly installed with a rotating plate (13), and one side surface of the rotating plate (13) is movably connected with the support piece A (2) through a rivet (4); The side away from the support piece A (2) of the top middle sealing plate (1) is fixedly installed with a supporting mechanism (15), the supporting mechanism (15) comprises guide rods (151) fixedly installed on both sides of the top middle sealing plate (1), a guide groove is formed in the lower surface of the guide rod (151), a guide block (152) is slidably connected to the inner side wall of the guide groove, the lower surface of the guide block (152) is movably connected with an oscillating rod (153), a plurality of through holes of the same size are formed in one side surface of the oscillating rod (153), a first force arm (154) is movably connected to the inner side wall of one of the through holes, and a Z-shaped force arm (155) is movably connected to the inner side wall of another through hole, and a second force arm (156) is movably connected to one end of the oscillating rod (153) close to the first force arm (154) through a rotating shaft; The middle part of the second force arm (156) and the first force arm (154) is provided with an inner moving sliding block (157), and the outer sliding blocks (158) are fixedly installed on both sides of the inner moving sliding block (157) through bolts, a plurality of through holes of the same size are formed in one side surface of the two outer sliding blocks (158), one end of the second force arm (156) is movably connected to the inner side wall of one of the through holes through a rotating shaft, and one end of the first force arm (154) is movably connected to the inner side wall of another through hole through a rotating shaft; One end of the outer slider (158) is provided with a clamping part (159) on both sides, the front end of the clamping part (159) is provided with an abutting part (1510), the surface of the clamping part (159) is clamped with a clamping block (1511), the clamping block (1511) is fixedly installed on the adjusting block (1512), one end of the adjusting block (1512) is provided with a recess, the surface of the abutting part (1510) is placed on the recess, and the other end surface of the adjusting block (1512) is provided with a placing groove (1513).

2. A top adjustable cover plate for a switchgear cabinet according to claim 1, characterized in that The top middle sealing plate (1) is provided with a lap joint part (10) at one end close to the support A (2), the upper surface of the lap joint part (10) is lap jointed with the top rear sealing plate (11), and the lower surface of the top rear sealing plate (11) is fixedly installed with a support of the same size through a screw.

3. A switchgear top adjustable cover plate according to claim 2, characterized in that, One end of the top rear sealing plate (11) is provided with a bearing part (14).

4. A switchgear top adjustable cover plate according to claim 3, characterized in that, One end of the top middle sealing plate (1) and one end of the top front sealing plate (8) are fixedly connected by a rivet (4) and can rotate freely, the lap joint part (10) at the other end of the top middle sealing plate (1) is connected and adapted with the bearing part (14) at one end of the top rear sealing plate (11), the top middle sealing plate (1) is fixedly connected with the support D (12) by the rivet (4) and can rotate freely, and is placed below the top rear sealing plate (11).

5. A top adjustable door for a switchgear cabinet according to claim 1, characterized in that, The inner arc surface of the placing groove (1513) is fixedly installed with a limiting spring (1514), both ends of the limiting spring (1514) are sleeved with a limiting rod (1515), one end of the Z-shaped force arm (155) away from the through hole is movably clamped with a positioning block (1516) through a rotating shaft, and the upper surface of the positioning block (1516) is provided with a positioning groove.

6. A top adjustable door for a switchgear cabinet according to claim 5, characterized in that The two sides of the positioning block (1516) are slidably connected with a sliding rod (1517), the upper surface of the sliding rod (1517) is provided with a sliding groove (1518), and the inner side wall of the sliding groove (1518) is provided with a plurality of limiting grooves (1519) of the same size. The limiting grooves (1519) are slidably adapted with the limiting rods (1515).

Images