CN214506159U

CN214506159U - Low-voltage power distribution cabinet

Info

Publication number: CN214506159U
Application number: CN202120796437.6U
Authority: CN
Inventors: 陆云
Original assignee: Shanghai Binhai Power Engineering Co ltd
Current assignee: Shanghai Binhai Power Engineering Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-10-26
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to a low-voltage distribution cabinet, relate to the field of switch board, it includes the cabinet body and articulates in the cabinet door of the cabinet body, two guide rails of cabinet body fixedly connected with, the fixed cover of bottom symmetry of two guide rails is equipped with the fixed block, two guide rail symmetry covers are equipped with a plurality of sliding blocks, and two relative sliding blocks slide jointly and be provided with the terminal box that is used for installing electrical component, all be provided with the retaining member between the sliding block of terminal box and both sides, the sliding block rotates and is connected with drive gear, and be located the sliding block fixedly connected with driving motor of top, driving motor's output shaft is fixed with the drive gear coaxial line, the cabinet body all is fixed with the drive rack with drive gear meshing near the guide rail, the sliding block is connected with articulated subassembly, the other end and adjacent sliding block or the fixed block of articulated subassembly are connected. This application has the effect of the electrical component of being convenient for to overhaul, is favorable to promoting maintenance efficiency, and can promote degree of automation, reduces maintainer's intensity of labour.

Description

Low-voltage power distribution cabinet

Technical Field

The application relates to the field of power distribution cabinets, in particular to a low-voltage power distribution cabinet.

Background

The rated current of the low-voltage power distribution cabinet is 50Hz, and the power distribution system with the rated voltage of 380v is used for power, illumination and power conversion and control of power distribution. At present, the market of low-voltage power distribution cabinets in China keeps a rapidly growing situation along with the construction and implementation of smart power grids and infrastructures, the investment of manufacturing industry and the development of new energy industry.

The current chinese patent that patent application number is CN201922299633.8 provides a low-voltage distribution cabinet, including the distribution box, the entrance hole has been seted up to the upper surface of distribution box, the inside fixed mounting in entrance hole has dustproof stopper, the internal surface fixed mounting of entrance hole below distribution box has first terminal box, the internal surface welding of distribution box has the ammeter support, the below fixed mounting of ammeter support has the second terminal box, the equal fixed mounting in inside of second terminal box and first terminal box has the wire mount, the internal surface welding of second terminal box below distribution box has leakage switch support.

In view of the above-mentioned related art, when the electric elements inside the low-voltage distribution cabinet are overhauled, because some terminal boxes are installed at the higher position of the low-voltage distribution cabinet, the hand of the maintainer can not even touch the terminal box, the maintainer can not conveniently overhaul the electric elements, and the inventor thinks that there is the defect that the electric elements can not be conveniently overhauled.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that is not convenient for overhaul electrical element, this application provides a low-voltage distribution cabinet.

The application provides a low-voltage distribution cabinet adopts following technical scheme:

a low-voltage power distribution cabinet comprises a cabinet body and a cabinet door hinged to the cabinet body, wherein two guide rails are fixedly connected with the cabinet body, fixed blocks are symmetrically and fixedly sleeved at the bottom ends of the two guide rails, a plurality of sliding blocks are symmetrically and sleeved on the two guide rails, two opposite sliding blocks are provided with a junction box used for mounting an electric element in a sliding mode, locking pieces used for limiting the sliding of the junction box are arranged between the junction box and the sliding blocks on two sides, the sliding blocks are rotatably connected with driving gears and located on the top, the output shafts of the driving motors are fixed with driving motors in a coaxial mode, driving racks meshed with the driving gears are fixed on the cabinet body near the guide rails, the sliding blocks are connected with hinge assemblies used for driving the adjacent sliding blocks to slide, the other end of the hinge assembly is connected with the adjacent sliding block or the fixed block.

By adopting the technical scheme, when the electric elements need to be overhauled, the driving gear is driven to rotate by the driving motor, and the driving gear and the driving rack are in meshed transmission, so that the sliding block positioned at the top slides along the length direction of the guide rail, the terminal box at the top is further driven to move along the vertical direction and move towards the bottom of the cabinet body, other sliding blocks are driven to slide along the length direction of the guide rail through the hinging component, and the terminal box is driven to move along the vertical direction and move towards the bottom of the cabinet body, the heights of all the terminal boxes are reduced, so that an maintainer can normally contact and observe the electric elements in the terminal box, the effect of conveniently overhauling the electric elements is realized, the overhauling speed is favorably improved, the terminal boxes do not need to be lifted manually, the automation degree of the low-voltage distribution cabinet is high, the labor intensity of the maintainer is favorably reduced, and the distance between the two sliding blocks can be adjusted at the same time, so that the low-voltage distribution cabinet can be provided with electric elements with different sizes.

Optionally, the hinge assembly includes a first hinge plate and a second hinge plate, one end of the first hinge plate is hinged to the sliding block, the other end of the first hinge plate is hinged to the second hinge plate, and the other end of the second hinge plate is connected to the adjacent sliding block or the fixed block.

Through adopting above-mentioned technical scheme, when the sliding block of top slided towards the bottom plate of the cabinet body, the tip of first articulated slab and second articulated slab all takes place to rotate, and when the contained angle between first articulated slab and the second articulated slab was minimum, adjacent sliding block also began to slide towards the bottom of the cabinet body to this orders about all sliding blocks and all slides towards the bottom of the cabinet body, makes the maintainer be convenient for overhaul all electric elements.

Optionally, the cross section of the guide rail is non-circular, and the sliding block is provided with a through hole matched with the guide rail in a sliding manner.

Through adopting above-mentioned technical scheme, the sliding block is unable to rotate around the guide rail for the sliding block slides along the length direction of guide rail steadily.

Optionally, two opposite lateral walls of the sliding block are provided with moving grooves matched with two ends of the junction box in a sliding manner, and the moving grooves are far away from the end parts of the fixed blocks and are arranged in an open manner.

Through adopting above-mentioned technical scheme, the length direction along the shifting chute slides respectively at the both ends of terminal box, and the inner wall in shifting chute can restrict the terminal box and move towards other directions simultaneously for the terminal box slides steadily, and reduces the risk that the terminal box drops.

Optionally, the retaining member includes the fixture block, the sliding block in the lateral wall of shifting chute seted up with the sliding groove of fixture block adaptation that slides, just the joint groove with fixture block joint adaptation is all seted up at the both ends of terminal box, the fixture block with be provided with between the sliding block and be used for ordering about the driving medium that the fixture block slided.

Through adopting above-mentioned technical scheme, when the installation terminal box, slide the terminal box in the movable groove earlier, when the terminal box butt is close to the lateral wall of fixed plate in the movable groove, the groove of sliding aligns each other with the notch in joint groove, and rethread driving medium orders about the fixture block and slides along the length direction in the groove that slides, and the installation of terminal box can be accomplished until partial fixture block gets into joint inslot and fixture block butt in the diapire in joint groove, is favorable to further reducing the risk that the terminal box drops.

Optionally, the transmission part includes a push rod fixed to the fixture block, the sliding block is provided with a driving groove matched with the push rod in a sliding manner on a side wall of the sliding groove, a length direction of the driving groove is parallel to a length direction of the sliding groove, and one end of the push rod protrudes out of the sliding block.

Through adopting above-mentioned technical scheme, slide along the length direction in drive groove through ordering about the push rod, and then drive the fixture block and slide along the length direction in groove that slides to this effect that realizes ordering about the fixture block and slide.

Optionally, the sliding block in the sliding groove is provided with a spring, one end of the spring is connected with the clamping block, and the other end of the spring is connected with the bottom wall of the sliding groove.

Through adopting above-mentioned technical scheme, when the fixture block was located the inslot that slides completely, the spring was in compression state, when applying in the external force cancellation of push rod, the spring began to kick-back and orders about the fixture block through elastic force and slides towards the joint groove, until the fixture block butt in the diapire of joint groove, the spring continues to exert elastic force to the fixture block simultaneously for the fixture block supports tightly in the diapire of joint groove, further reduces the risk that the terminal box drops.

Optionally, the side wall of the clamping block far away from the bottom wall of the sliding groove is fixed with an inclined block, and the inclined plane of the inclined block faces the direction far away from the fixing block.

Through adopting above-mentioned technical scheme, when the terminal box slided along the groove that slides, the terminal box can extrude the sloping block for sloping block and fixture block synchronous orientation slide the diapire in groove and remove, get into the inslot that slides completely until fixture block and sloping block, need not the manual work and order about sloping block and fixture block and get into the inslot that slides, be favorable to simplifying installation procedure, reduce maintainer's intensity of labour.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving gear is driven to rotate by the driving motor and meshed with the driving rack through the driving gear, so that the sliding block slides along the guide rail, meanwhile, the first hinged plate and the second hinged plate rotate, and further, other sliding blocks are driven to synchronously slide along the guide rail, the heights of the plurality of junction boxes are reduced, and a maintainer can normally contact and observe electrical elements, so that the effect of conveniently overhauling the electrical elements is realized;

2. the junction box slides along the moving groove, meanwhile, the junction box extrudes the inclined block until the junction box abuts against the side wall, close to the fixed block, of the moving groove, the sliding groove is aligned with the notch of the clamping groove, the spring rebounds and drives the clamping block to slide towards the clamping groove through elastic force until the clamping block abuts against the bottom wall of the clamping groove, and therefore the junction box can be installed;

3. the push rod is driven to slide along the driving groove until the clamping block and the inclined block completely return to the sliding groove, the junction box is driven to slide along the moving groove again until the junction box completely slides out of the moving groove, and the junction box can be detached.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;

fig. 4 is a partially enlarged schematic view of a portion C in fig. 3.

Reference numerals: 1. a cabinet body; 11. a cabinet door; 12. a guide rail; 121. a fixed block; 122. a slider; 1221. a drive gear; 1222. a drive motor; 1223. a through hole; 1224. a moving groove; 1225. a sliding groove; 1226. a drive slot; 13. a drive rack; 2. a junction box; 21. a clamping groove; 3. a hinge assembly; 31. a first hinge plate; 32. a second hinge plate; 4. a clamping block; 41. a push rod; 42. a sloping block; 5. a spring; 6. a first ear plate; 7. a second ear panel.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses low-voltage distribution cabinet. Referring to fig. 1, the low voltage distribution cabinet includes a cabinet body 1 and a cabinet door 11 hinged to the cabinet body 1, the cabinet body 1 is a hollow rectangular parallelepiped, and one side of the cabinet body 1 is open. The cabinet door 11 is rotatably connected to the open side wall of the cabinet body 1 through a hinge, and the rotation axis of the cabinet door 11 is arranged in the vertical direction. The cabinet body 1 is fixedly connected with two guide rails 12, the length direction of the guide rails 12 is vertical, the cross section of each guide rail 12 is in a non-circular shape, the cross section of each guide rail 12 is in an I shape, the cross section of each guide rail 12 can be also in a rectangular or flat shape in other embodiments, and two ends of each guide rail 12 are respectively welded on the lower surface of the top wall and the upper surface of the bottom wall of the cabinet body 1.

Referring to fig. 1 and 2, the bottom ends of the two guide rails 12 are symmetrically fixedly sleeved with fixing blocks 121 by welding, and the fixing blocks 121 are rectangular. Two guide rail 12 symmetry covers are equipped with a plurality of sliding blocks 122, and sliding block 122 is the cuboid shape, and sliding block 122 offers the through-hole 1223 with guide rail 12 adaptation that slides for sliding block 122 can only slide along the length direction of guide rail 12. And two opposite sliding blocks 122 are arranged together in a sliding way to mount the junction box 2 of the electric element. The opposite side walls of the two opposite sliding blocks 122 are respectively provided with a moving groove 1224 which is matched with the two ends of the junction box 2 in a sliding manner, the length direction of the moving groove 1224 is parallel to the length direction of the guide rail 12, the end part of the moving groove 1224, which is far away from the fixed block 121, is opened, the junction box 2 slides along the length direction of the moving groove 1224, the junction box 2 is attached to the inner wall of the moving groove 1224, and locking parts for limiting the sliding of the junction box 2 are arranged between the junction box 2 and the sliding blocks 122 on the two sides.

Referring to fig. 1 and 2, the sliding block 122 is rotatably connected with a driving gear 1221, the sliding block is rotatably connected with a rotating shaft arranged along the horizontal direction near the side wall of the cabinet door 11, and the rotating shaft is coaxially welded with the driving gear 1221, so that the driving gear 1221 rotates around the rotating shaft. The uppermost sliding block 122 is fixedly connected with a driving motor 1222, and an output shaft of the driving motor 1222 is coaxially fixed with the uppermost driving gear 1221. The cabinet body 1 is fixed with a driving rack 13 engaged with the driving gear 1221 by welding near the guide rail 12, and the length direction of the driving rack 13 is parallel to the length direction of the guide rail 12. Two sets of hinge assemblies 3 for driving the adjacent sliding blocks 122 to slide are connected to the sliding blocks 122, and the other ends of the hinge assemblies 3 are connected to the adjacent sliding blocks 122 or the fixed blocks 121. Order about drive gear 1221 through driving motor 1222 and rotate to through drive gear 1221 and the meshing transmission of drive rack 13, make the sliding block 122 that is located the top slide along the length direction of guide rail 12, and then drive the terminal box 2 of the top and remove and move towards cabinet body 1 bottom along vertical direction, drive other sliding blocks 122 through hinge assembly 3 and slide along the length direction of guide rail 12, and drive terminal box 2 and remove and move towards cabinet body 1 bottom along vertical direction, reduce the height of all terminal boxes 2.

Referring to fig. 1 and 2, the hinge assembly 3 includes a first hinge plate 31 and a second hinge plate 32, and one end of the first hinge plate 31 is hinged to the sliding block 122 and the other end is hinged to the second hinge plate 32. The sliding block 122 is welded with the first ear plates 6 on both sides of the first hinge plate 31, and the two first ear plates 6 are welded with the first rotating shaft arranged horizontally, one end of the first hinge plate 31 swings around the first rotating shaft, the other end of the first hinge plate 31 is welded with the second rotating shaft parallel to the first rotating shaft, and one end of the second hinge plate 32 swings around the second rotating shaft. The other end of the second hinge plate 32 is connected with the adjacent sliding block 122 or fixing block 121, the sliding block 122 or fixing block 121 is welded with the second ear plates 7 on both sides of the second hinge plate 32, the two second ear plates 7 are welded with the third rotating shaft parallel to the first rotating shaft, and the other end of the second hinge plate 32 swings around the third rotating shaft. When the uppermost sliding block 122 slides towards the bottom plate of the cabinet 1, the ends of the first hinge plate 31 and the second hinge plate 32 rotate, and when the included angle between the first hinge plate 31 and the second hinge plate 32 is minimum, the adjacent sliding blocks 122 also start to slide towards the bottom of the cabinet 1, so that all the sliding blocks 122 are driven to slide towards the bottom of the cabinet 1.

Referring to fig. 3 and 4, the locking member includes a rectangular parallelepiped-shaped fixture block 4, the sliding block 122 is provided with a sliding groove 1225 slidably fitted with the fixture block 4 on a side wall of the moving groove 1224, a length direction of the sliding groove 1225 is a horizontal direction, one end of the sliding groove 1225 along the length direction is communicated with the moving groove 1224, and the other end of the sliding groove 1225 along the length direction is closed. The fixture block 4 slides along the length direction of the sliding groove 1225 and is attached to the inner wall of the sliding groove 1225. And the both ends of terminal box 2 all offer with the joint groove 21 of 4 joint adaptations of fixture block, the length direction in joint groove 21 is on a parallel with the length direction in groove 1225 that slides. A transmission member for driving the fixture block 4 to slide is arranged between the fixture block 4 and the sliding block 122. When the terminal box 2 abuts against the side wall of the movable groove close to the fixed plate, the sliding groove 1225 is aligned with the notch of the clamping groove 21. The transmission part drives the fixture block 4 to slide along the length direction of the sliding groove 1225 until part of the fixture block 4 enters the clamping groove 21 and the fixture block 4 abuts against the bottom wall of the clamping groove 21, so that the installation of the junction box 2 can be completed; after the transmission member drives the transmission member to drive the block 4 to completely return to the sliding groove 1225, the terminal box 2 can slide out along the moving groove 1224.

Referring to fig. 3 and 4, the driving member includes a push rod 41 fixed to the latch 4, the push rod 41 is rectangular, and the push rod 41 is welded to a side wall of the latch 4 away from the fixing block 121. The sliding block 122 is provided with a driving groove 1226 matched with the sliding of the push rod 41 on the side wall of the sliding groove 1225, the length direction of the driving groove 1226 is parallel to the length direction of the sliding groove 1225, and the push rod 41 slides along the length direction of the driving groove 1226 and is attached to the inner wall of the driving groove 1226. And one end of the push rod 41 protrudes out of the sliding block 122, so that the maintainer can conveniently push the push rod 41. The push rod 41 is driven to slide along the length direction of the driving groove 1226, so as to drive the fixture block 4 to slide along the length direction of the sliding groove 1225.

Referring to fig. 3 and 4, in order to support the fixture block 4 tightly in the clamping groove 21, the sliding block 122 is provided with a spring 5 in the sliding groove 1225, one end of the spring 5 is connected to the side wall of the bottom wall of the fixture block 4 close to the sliding groove 1225, and the other end is connected to the bottom wall of the sliding groove 1225. When the fixture block 4 is completely located in the sliding groove 1225, the spring 5 is in a compressed state, until the external force applied to the push rod 41 is cancelled, the spring 5 starts to rebound and drives the fixture block 4 to slide towards the clamping groove 21 through elastic force, until the fixture block 4 abuts against the bottom wall of the clamping groove 21, the spring 5 continues to apply the elastic force to the fixture block 4, and the fixture block 4 abuts against the bottom wall of the clamping groove 21.

Referring to fig. 3 and 4, in order to facilitate installation of the terminal box 2, an inclined block 42 is fixed to a side wall of the latch 4 away from the bottom wall of the sliding groove 1225, the inclined block 42 and the latch 4 are integrally formed, the inclined block 42 is in a triangular shape, and an inclined surface of the inclined block 42 faces a direction away from the fixed block 121. When terminal box 2 slided along sliding groove 1225, terminal box 2 can extrude sloping block 42 for sloping block 42 and fixture block 4 move towards sliding groove 1225's diapire in step, until fixture block 4 and sloping block 42 get into sliding groove 1225 completely, need not the manual work and order about sloping block 42 and fixture block 4 and get into sliding groove 1225 in, be favorable to simplifying the installation procedure, reduce maintainer's intensity of labour.

The implementation principle of a low-voltage distribution cabinet in the embodiment of the application is as follows: when the electrical elements need to be overhauled, the driving gear 1221 is driven to rotate by the driving motor 1222, and the driving gear 1221 and the driving rack 13 are in meshing transmission, so that the sliding block 122 located at the top slides along the length direction of the guide rail 12, and further the terminal box 2 located at the top is driven to move along the vertical direction and move towards the bottom of the cabinet body 1, and meanwhile, the first hinge plate 31 and the second hinge plate 32 are driven to rotate, and further the other sliding blocks 122 are driven to slide along the length direction of the guide rail 12, and all the terminal boxes 2 are driven to move along the vertical direction and move towards the bottom of the cabinet body 1, so that the heights of all the terminal boxes 2 are reduced, and an overhaul person can normally contact and observe the electrical elements inside the terminal boxes 2, and therefore the effect of facilitating overhaul of the electrical elements is achieved;

the push plate is driven to slide along the driving groove 1226 until the clamping block 4 and the inclined block 42 completely enter the sliding groove 1225, the spring 5 is further compressed, the old junction box 2 is driven to slide along the length direction of the moving groove 1224 until the old junction box 2 is separated from the sliding block 122, the new junction box 2 is driven to slide along the moving groove 1224, meanwhile, the new junction box 2 extrudes the inclined block 42, the inclined block 42 and the clamping block 4 are driven to synchronously slide towards the bottom wall of the sliding groove 1225 until the new junction box 2 abuts against the side wall of the moving groove 1224, the sliding groove 1225 is aligned with the notch of the clamping groove 21, the spring 5 begins to rebound and drives the clamping block 4 and the inclined block 42 to slide towards the clamping groove 21 through elastic force until the inclined block 42 enters the clamping groove 21 and the inclined block 42 abuts against the bottom wall of the clamping groove 21, replacement of the junction box 2 can be completed, and the operation steps of replacing the junction box 2 are simple, further facilitating servicing of the electrical components.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a low-voltage distribution cabinet which characterized in that: including the cabinet body (1) and articulate in cabinet door (11) of the cabinet body (1), two guide rails (12) of cabinet body (1) fixedly connected with, two the bottom symmetry fixed cover of guide rail (12) is equipped with fixed block (121), two guide rail (12) symmetry cover is equipped with a plurality of sliding blocks (122), and two are relative sliding block (122) are slided jointly and are provided with terminal box (2) that are used for installing electrical component, terminal box (2) and both sides all be provided with between sliding block (122) and be used for the restriction the retaining member that terminal box (2) slided, sliding block (122) rotate and are connected with drive gear (1221), and be located the top sliding block (122) fixedly connected with driving motor (1222), the output shaft of driving motor (1222) with drive gear (1221) coaxial line is fixed, cabinet body (1) in near guide rail (12) all be fixed with drive that meshes with drive gear (1221) The sliding block (122) is connected with a plurality of groups of hinge assemblies (3) used for driving the adjacent sliding blocks (122) to slide, and the other ends of the hinge assemblies (3) are connected with the adjacent sliding blocks (122) or the fixed blocks (121).

2. The low-voltage distribution cabinet according to claim 1, characterized in that: the hinge assembly (3) comprises a first hinge plate (31) and a second hinge plate (32), one end of the first hinge plate (31) is hinged to the sliding block (122), the other end of the first hinge plate is hinged to the second hinge plate (32), and the other end of the second hinge plate (32) is connected with the adjacent sliding block (122) or the adjacent fixing block (121).

3. The low-voltage distribution cabinet according to claim 1, characterized in that: the cross section of the guide rail (12) is in a non-circular shape, and the sliding block (122) is provided with a through hole (1223) matched with the guide rail (12) in a sliding mode.

4. Low-voltage distribution cabinet according to any one of claims 1 to 3, characterized in that: the opposite side walls of the two opposite sliding blocks (122) are respectively provided with a moving groove (1224) which is in sliding fit with the two ends of the junction box (2), and the end parts of the moving grooves (1224), which are far away from the fixed block (121), are arranged in an open mode.

5. Low-voltage distribution cabinet according to claim 4, characterized in that: the retaining member includes fixture block (4), sliding block (122) in the lateral wall of shifting chute (1224) seted up with sliding groove (1225) of fixture block (4) adaptation that slides, just joint groove (21) with fixture block (4) joint adaptation are all seted up at the both ends of terminal box (2), fixture block (4) with be provided with between sliding block (122) and be used for ordering about the driving medium that fixture block (4) slided.

6. Low-voltage distribution cabinet according to claim 5, characterized in that: the transmission piece comprises a push rod (41) fixed on the clamping block (4), a driving groove (1226) matched with the push rod (41) in a sliding mode is formed in the side wall of the sliding groove (1225) of the sliding block (122), the length direction of the driving groove (1226) is parallel to the length direction of the sliding groove (1225), and one end of the push rod (41) protrudes out of the sliding block (122).

7. Low-voltage distribution cabinet according to claim 5, characterized in that: the sliding block (122) is provided with a spring (5) in the sliding groove (1225), one end of the spring (5) is connected with the clamping block (4), and the other end of the spring is connected with the bottom wall of the sliding groove (1225).

8. Low-voltage distribution cabinet according to claim 5, characterized in that: the side wall of the clamping block (4) far away from the bottom wall of the sliding groove (1225) is fixed with an inclined block (42), and the inclined surface of the inclined block (42) faces the direction far away from the fixing block (121).