CN220985226U - Low-voltage switch cabinet - Google Patents

Abstract

The utility model discloses a low-voltage switch cabinet, which relates to the technical field of electrical equipment and comprises a protection outer box and a switch cabinet main body arranged in the protection outer box, wherein the front end of the protection outer box is provided with an opening for placing the switch cabinet main body, and one side of the opening is hinged with a box door; the protective outer box is characterized in that a sliding device is arranged at the bottom of the inner side of the protective outer box, the switch cabinet main body is arranged on the sliding device, and the sliding device can drive the switch cabinet main body to move towards the outer side of an opening of the box body. The sliding device is utilized to facilitate the installation of the switch cabinet main body, and the switch cabinet main body is only required to be placed on the sliding device which moves to the outer side, and then the sliding device is pushed into the protective outer box; similarly, the pull-out structure also facilitates maintenance operation of the switch cabinet main body.

Description

Low-voltage switch cabinet

Technical Field

The application relates to the technical field of electrical equipment, in particular to a low-voltage switch cabinet.

Background

The low-voltage switch cabinet is an electrical device, and is widely applied to industries such as power plants, petroleum, chemical industry, metallurgy, spinning, high-rise buildings and the like, and is mainly used for power transmission, power distribution and electric energy conversion. The switch cabinet has the characteristics of small volume, light weight and compact structure, and provides convenience for installation and use. In order to ensure that the main body of the switch cabinet is not affected by external rainwater, wind sand and other factors, the outdoor low-voltage switch cabinet needs to be additionally provided with a protective box body.

With respect to the related art described above, the inventors consider that there are the following drawbacks: the protective case can protect the switch cabinet main body, but also causes inconvenience in installation and maintenance work for the switch cabinet main body.

Disclosure of utility model

In order to solve the problem that the installation and maintenance of the switch cabinet main body are inconvenient, the application provides a low-voltage switch cabinet.

The application provides a low-voltage switch cabinet which adopts the following technical scheme:

The low-voltage switch cabinet comprises a protection outer box and a switch cabinet main body arranged in the protection outer box, wherein an opening for placing the switch cabinet main body is formed in the front end of the protection outer box, and a box door is hinged to one side of the opening; the inside bottom of protection outer case is provided with slider, the cubical switchboard main part is arranged in on the slider, slider can drive the cubical switchboard main part and move towards the opening outside of box.

By adopting the technical scheme, the sliding device is utilized to facilitate the installation of the switch cabinet main body, and the switch cabinet main body is only required to be placed on the sliding device which moves to the outer side and then pushed into the protective outer box; similarly, the pull-out structure also facilitates maintenance operation of the switch cabinet main body.

Optionally, the sliding device comprises two pulley seats and a bearing platform fixedly connected to the upper ends of the two pulley seats, and the two pulley seats are symmetrically arranged at the bottoms of the left side and the right side of the bearing platform; the switch cabinet main body is placed on the bearing platform.

Through adopting above-mentioned technical scheme, utilize two pulley holders to support the cubical switchboard main part of loading platform and top, both realize controlling balance and can share weight effectively.

Optionally, a connecting plate is arranged at the front ends of the two pulley seats, a pull rod is arranged in the middle of the connecting plate between the two pulley seats, and a handle is arranged at the end part of the pull rod.

Through adopting above-mentioned technical scheme, the setting of pull rod and handle makes things convenient for the staff to carry out pull-out and push-in operation to the slider.

Optionally, the middle part of the connecting plate is provided with a yielding port penetrating through the inner side, the pull rod can move between the two pulley seats through the yielding port, and only the remaining handle leaks outside the yielding port; the one end that the handle was kept away from to the pull rod articulates and is provided with the guide, the mouth department of stepping down is provided with the spacing seat that is used for restricting the guide outwards to remove, when the guide was restricted in spacing seat department, the pull rod deviate from the mouth of stepping down completely, and the pull rod can upwards rotate until supporting on even the outer terminal surface of board.

By adopting the technical scheme, the movably connected pull rod can be hidden below the bearing platform, and the pull rod is pulled out through the handle when the movable connecting pull rod is needed to be used until the guide piece props against the limiting seat, so that the sliding device and the switch cabinet main body on the bearing platform can be pulled through the pull rod; when the sliding device is pushed into the protective outer box, the pull rod is rotated upwards to be propped against the outer side of the connecting plate, and the pull rod is pushed towards the inner side of the protective outer box continuously, so that the sliding device can be synchronously pushed to move integrally.

Optionally, an upper roll shaft and a lower roll shaft are arranged on the guide piece, and the upper roll shaft is positioned above the lower roll shaft; both ends of the upper roll shaft and the lower roll shaft extend towards both sides; the bottom of the protection outer box is provided with an upper guide groove for sliding at two ends of the upper roller shaft at two sides of the upper roller shaft, and a lower guide groove for sliding at two ends of the lower roller shaft at two sides of the lower roller shaft, wherein the upper guide groove is outwards penetrated and arranged in the sliding direction of the lower guide groove along the sliding device, and an upper limit groove communicated with the upper guide groove and a lower limit groove communicated with the lower guide groove are arranged on the limit seat.

By adopting the technical scheme, the pull rod can keep horizontal sliding when being hidden and pulled out by utilizing the cooperation between the upper roller shaft and the upper guide groove and the cooperation between the lower roller shaft and the lower guide groove, thereby being convenient to operate and reducing abrasion; the upper limit groove and the lower limit groove on the limit seat can limit the guide piece to prevent the guide piece from moving at will.

Optionally, the lower roll shaft is provided with the auxiliary wheel along the same axis line rotation, the base height of link plate is higher than the bottom sliding plane that auxiliary wheel and pulley seat are located.

Through adopting above-mentioned technical scheme, utilize the auxiliary wheel to fill up the one end that the link plate was located, prevent that the link plate bottom from contacting with ground and causing wearing and tearing and hindering slider and remove.

Optionally, a door frame plate protruding outwards is arranged at the peripheral edge of the opening; the connecting plate is also in a door frame shape protruding outwards, and when the sliding device is positioned at the inner side of the protective outer box, the connecting plate and the door frame plate are enclosed to form a rectangular door frame.

By adopting the technical scheme, the stable sealing effect can be ensured after the box door cover is closed.

Optionally, both ends of even board are provided with a locking piece respectively, the tip of locking piece extends to the outside of close door frame board, and can realize fixing through the fastener between locking piece and the door frame board.

By adopting the technical scheme, the connecting plate and the door frame plate are fixedly connected by the locking block, so that the sliding device is prevented from generating position offset under the action of external force.

Optionally, a plurality of supporting ribs are arranged at the bottom of the inner side of the protective outer box, and the upper end faces of the supporting ribs are abutted with the bottom face of the bearing platform; the supporting ribs are distributed between the pulley seats and on two sides, and extend along the sliding direction of the pulley seats.

Through adopting above-mentioned technical scheme, utilize the supporting rib to support the atress to bearing platform's bottom, further share the weight of cubical switchboard main part.

Optionally, chamfer angles are arranged on two sides of the end part, facing the inside of the protective outer box, of the pulley seat; the end part of the bearing platform, which faces the protection outer box, is provided with a guide edge which is tilted upwards and tilted upwards.

Through adopting above-mentioned technical scheme, slider can take the cubical switchboard main part to break away from in the protection outer box completely, when wanting reentrant protection outer box, utilizes the chamfer to help the pulley block to get into between the adjacent supporting rib, and the leading edge helps the loading platform to remove to the supporting rib upper end.

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

The sliding device is utilized to facilitate the installation of the switch cabinet main body, and the switch cabinet main body is only required to be placed on the sliding device which moves to the outer side, and then the sliding device is pushed into the protective outer box; similarly, the pull-out structure is convenient for overhauling the switch cabinet main body;

the arrangement of the pull rod and the handle facilitates the pulling-out and pushing-in operation of the sliding device by workers, the pull rod can be hidden below the bearing platform, and when the sliding device is needed to be used, the pull rod is pulled out through the handle until the guide piece props against the limit seat, and the sliding device and the switch cabinet main body on the bearing platform can be pulled through the pull rod; when the sliding device is pushed into the protective outer box, the pull rod is rotated upwards to be propped against the outer side of the connecting plate, and the pull rod is pushed towards the inner side of the protective outer box continuously, so that the sliding device can be synchronously pushed to move integrally.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic diagram of a matching structure of the sliding device and the protective outer case in the embodiment of the application.

FIG. 3 is a schematic diagram of an exploded structure of a sliding device according to an embodiment of the present application.

Fig. 4 is an enlarged schematic view at a in fig. 2.

Fig. 5 is an enlarged schematic view at B in fig. 3.

Fig. 6 is a schematic view showing a state in which the switch cabinet body according to the embodiment of the present application leaves the protective outer case through the sliding device.

Fig. 7 is an enlarged schematic view at C in fig. 6.

Reference numerals illustrate:

1. A protective outer case; 11. an opening; 111. a door frame plate; 12. a door; 13. a support rib; 131. an upper guide groove; 132. a lower guide groove; 2. a switch cabinet body; 3. a sliding device; 31. a pulley seat; 311. a roller; 312. chamfering; 32. a load-bearing platform; 321. a guide edge; 33. a connecting plate; 331. a yielding port; 332. a limit seat; 3321. an upper limit groove; 3322. a lower limit groove; 333. a locking block; 3331. perforating; 4. a pull rod; 41. a handle; 5. a guide member; 51. an upper roll shaft; 52. a lower roll shaft; 53. an auxiliary wheel.

Description of the embodiments

The application is described in further detail below with reference to fig. 1-7.

The embodiment of the application discloses a low-voltage switch cabinet. Referring to fig. 1, the low-voltage switch cabinet comprises a protection outer box 1 and a switch cabinet main body 2 arranged in the protection outer box 1, wherein the switch cabinet main body 2 realizes a main function, and the protection outer box 1 is used for protecting the switch cabinet main body 2, so that external rainwater or sand wind and other factors are prevented from affecting the use of the switch cabinet main body 2.

An opening 11 for the switch cabinet main body 2 to enter and exit is formed in the front end of the protective outer box 1, and a box door 12 is hinged to one side of the opening 11; the inside bottom of the protection outer box 1 is provided with the slider 3, and the switch cabinet main body 2 is installed on the slider 3, utilizes the slider 3 to drive the switch cabinet main body 2 to enter and exit the box through the opening 11, makes things convenient for the installation of the switch cabinet main body 2, and can pull out the structure and also made things convenient for the maintenance operation to the switch cabinet main body 2.

Referring to fig. 2 and 3, the sliding device 3 includes two elongated pulley holders 31 and a bearing platform 32 fixedly connected to the upper ends of the two pulley holders 31. The pulley seat 31 bottom rotates and is connected with two sets of gyro wheels 311 around, and a set of gyro wheel 311 is provided with two again around, and two pulley seats 31 symmetry set up in the left and right sides bottom of loading platform 32, and switch cabinet main part 2 is placed on loading platform 32, both realizes controlling balance and can share weight effectively, and can carry out fixed connection through the bolt between switch cabinet main part 2 and the loading platform 32.

Referring to fig. 2 and 3, four supporting ribs 13 are fixedly installed at the bottom of the inner side of the protection outer box 1, the supporting ribs 13 are long and extend along the sliding direction of the pulley seats 31, the four supporting ribs 13 are distributed between the two pulley seats 31 and on two sides, the upper end faces of the supporting ribs 13 can be abutted to the bottom face of the bearing platform 32, the supporting ribs 13 are utilized to support the bottom of the bearing platform 32 to bear force, and the weight of the switch cabinet main body 2 is further shared.

Referring to fig. 2 and 3, the sliding device 3 in this embodiment can be completely separated from the protective outer case 1 with the switch cabinet main body 2, so that both sides of the end of the pulley seat 31 facing the protective outer case 1 are provided with chamfers 312, and the end of the bearing platform 32 facing the protective outer case 1 is formed with a guide edge 321 tilting upwards. When the pulley seat 31 is to be re-entered into the protective outer case 1, the pulley seat 31 is facilitated to enter between the adjacent supporting ribs 13 by the chamfer 312, and the guide edge 321 facilitates the movement of the carrying platform 32 to the upper ends of the supporting ribs 13.

Referring to fig. 1 and 2, a door frame plate 111 which is folded outwards and protruded is integrally formed on the periphery of an opening 11 of the protective outer box 1, and the door frame plate 111 is not installed at the bottom of the opening 11, so that a notch for the sliding device 3 to enter and exit is formed. And the front ends of two pulley holders 31 are fixedly connected with a connecting plate 33, and the connecting plate 33 is also in a door frame shape which is outwards folded and raised, when the sliding device 3 is positioned at the inner side of the protective outer box 1, the connecting plate 33 is connected with the door frame plate 111 to form a complete rectangular door frame, so that the stable sealing effect can be ensured after the box door 12 is covered.

Referring to fig. 2, two ends of the connecting plate 33 are respectively welded with a locking block 333, the end of the locking block 333 extends to the outside of the similar door frame plate 111, the locking block 333 is provided with a through hole 3331, the corresponding position of the door frame plate 111 is provided with a threaded hole, and the fixation between the door frame plate 111 and the connecting plate 33 can be realized through bolts, so that the sliding device 3 is prevented from generating position deviation under the action of external force.

Referring to fig. 3, a yielding opening 331 penetrating through the inner side and the outer side is formed in the middle of the connecting plate 33, a pull rod 4 is movably connected in the yielding opening 331, a handle 41 is welded at the end of the pull rod 4 away from the connecting plate 33, the pull rod 4 can move between the two pulley seats 31 through the yielding opening 331, and meanwhile, the pull rod 4 is located between the two supporting ribs 13 in the middle to achieve a hiding effect, and only the handle 41 is left to leak outside the yielding opening 331. The end of the pull rod 4 far away from the handle 41 is hinged with a guide piece 5, and a limit seat 332 for limiting the outward movement of the guide piece 5 is welded at the position of the yielding port 331.

Referring to fig. 6 and 7, when the guide 5 is limited at the limiting seat 332, the pull rod 4 is completely separated from the yielding port 331, and the sliding device 3 can be pulled to move outwards by pulling the handle 41. The pull rod 4 can also rotate upwards until the pull rod abuts against the outward end face of the connecting plate 33, and the pull rod 4 is pushed towards the inner side of the protective outer box 1 continuously, so that the whole movement of the sliding device 3 can be synchronously pushed.

Referring to fig. 3 and 4, the guide 5 is rotatably coupled with an upper roller shaft 51 and a lower roller shaft 52, the upper roller shaft 51 is positioned above the lower roller shaft 52, and both ends of the upper roller shaft 51 and the lower roller shaft 52 extend toward both sides. On the adjacent lateral wall of two supporting ribs 13 in the middle part, upper guide grooves 131 for sliding the two ends of the upper roll shaft 51 are formed on the two sides of the upper roll shaft 51, lower guide grooves 132 for sliding the two ends of the lower roll shaft 52 are formed on the two sides of the lower roll shaft 52, the upper guide grooves 131 are respectively formed in the lower guide grooves 132 in a penetrating way outwards along the sliding direction of the sliding device 3, and the pull rod 4 can keep horizontal sliding when being hidden and pulled out by utilizing the cooperation between the upper roll shaft 51 and the upper guide grooves 131 and between the lower roll shaft 52 and the lower guide grooves 132, so that the operation is convenient and the abrasion is reduced.

Referring to fig. 4 and 5, the stopper 332 is also formed with an upper stopper 3321 communicating with the upper guide groove 131 and a lower stopper 3322 communicating with the lower guide groove 132, so that the guide 5 can be prevented from moving at will when it moves to the stopper 332.

Referring to fig. 3 and 7, the lower roller shaft 52 is rotatably provided with an auxiliary wheel 53 along the same axis, and the bottom edge of the connecting plate 33 is higher than the bottom sliding plane where the auxiliary wheel 53 and the roller 311 are located, so that one end where the connecting plate 33 is located is raised by the auxiliary wheel 53, and the bottom of the connecting plate 33 is prevented from contacting the ground to cause abrasion and prevent the sliding device 3 from moving.

The implementation principle of the low-voltage switch cabinet provided by the embodiment of the application is as follows:

When the sliding device 3 is positioned in the protective box body and is not used, the pull rod 4 moves between the two pulley seats 31 through the yielding port 331, so that a hiding effect is realized, and only the remaining handle 41 leaks outside the yielding port 331;

When the sliding device 3 is to be pulled out of the protective box body and the switch cabinet main body 2 is installed or overhauled, the pull handle 41 pulls the pull rod 4 out from the bottom until the guide piece 5 is fixed on the limiting seat 332, at the moment, the pull rod 4 is completely pulled out from the yielding port 331, and the sliding device 3 can be pulled to move outwards by continuously pulling the handle 41;

When the sliding device 3 is to be pushed back into the protective box body, the pull rod 4 is rotated upwards until the pull rod 4 is propped against the outward end face of the connecting plate 33, and the pull rod 4 is pushed towards the inner side of the protective outer box 1 continuously, so that the sliding device 3 can be synchronously pushed to move integrally until the sliding device 3 returns into the protective box body.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. The low-voltage switch cabinet comprises a protection outer box (1) and a switch cabinet main body (2) arranged in the protection outer box (1), wherein an opening (11) for placing the switch cabinet main body (2) is formed in the front end of the protection outer box (1), and a box door (12) is hinged to one side of the opening (11); the protective outer box is characterized in that a sliding device (3) is arranged at the bottom of the inner side of the protective outer box (1), the switch cabinet main body (2) is arranged on the sliding device (3), and the sliding device (3) can drive the switch cabinet main body (2) to move towards the outer side of an opening (11) of the box body.

2. A low voltage switchgear as claimed in claim 1, wherein: the sliding device (3) comprises two pulley seats (31) and a bearing platform (32) fixedly connected to the upper ends of the two pulley seats (31), and the two pulley seats (31) are symmetrically arranged at the bottoms of the left side and the right side of the bearing platform (32); the switch cabinet main body (2) is placed on the bearing platform (32).

3. A low voltage switchgear as claimed in claim 2, wherein: the front ends of the two pulley seats (31) are provided with a connecting plate (33), a pull rod (4) is arranged between the two pulley seats (31) in the middle of the connecting plate (33), and a handle (41) is arranged at the end part of the pull rod (4).

4. A low voltage switchgear as claimed in claim 3, wherein: the middle part of the connecting plate (33) is provided with a yielding port (331) penetrating through the inner side, the pull rod (4) can move between the two pulley seats (31) through the yielding port (331), and only the remaining handle (41) leaks out of the yielding port (331); one end of the pull rod (4) far away from the handle (41) is hinged to be provided with a guide piece (5), a position-limiting seat (332) used for limiting outward movement of the guide piece (5) is arranged at the position-limiting seat (332), when the guide piece (5) is limited at the position-limiting seat (332), the pull rod (4) is completely separated from the position-limiting seat (331), and the pull rod (4) can rotate upwards until being propped against the end face of the connecting plate (33) outwards.

5. A low voltage switchgear as claimed in claim 4, wherein: an upper roll shaft (51) and a lower roll shaft (52) are arranged on the guide piece (5), and the upper roll shaft (51) is positioned above the lower roll shaft (52); both ends of the upper roll shaft (51) and the lower roll shaft (52) extend towards both sides; the bottom of protection outer case (1) is provided with upper guide way (131) that upper roller (51) both ends slided in the both sides of upper roller (51), is provided with lower guide way (132) that supply lower roller (52) both ends to slide in the both sides of lower roller (52), upper guide way (131) all run through the setting outwards along the slip direction of slider (3) in lower guide way (132), be provided with on spacing (332) with upper limit groove (3321) that upper guide way (131) are linked together, lower limit groove (3322) that are linked together with lower guide way (132).

6. A low voltage switchgear as claimed in claim 5, wherein: the lower roll shaft (52) is rotatably provided with an auxiliary wheel (53) along the same axis, and the bottom edge of the connecting plate (33) is higher than the bottom sliding plane where the auxiliary wheel (53) and the pulley seat (31) are located.

7. A low voltage switchgear as claimed in claim 3, wherein: the periphery edge of the opening (11) is provided with a door frame plate (111) protruding outwards; the connecting plate (33) is also in a door frame shape protruding outwards, and when the sliding device (3) is positioned at the inner side of the protective outer box (1), the connecting plate (33) and the door frame plate (111) are enclosed to form a rectangular door frame.

8. A low voltage switchgear as claimed in claim 7, wherein: two ends of the connecting plate (33) are respectively provided with a locking block (333), the end parts of the locking blocks (333) extend to the outer sides of the similar door frame plates (111), and the locking blocks (333) and the door frame plates (111) can be fixed through fasteners.

9. A low voltage switchgear as claimed in claim 2, wherein: the bottom of the inner side of the protective outer box (1) is provided with a plurality of supporting ribs (13), and the upper end surfaces of the supporting ribs (13) are abutted with the bottom surface of the bearing platform (32); the supporting ribs (13) are distributed between the pulley seats (31) and at two sides, and the supporting ribs (13) extend along the sliding direction of the pulley seats (31).

10. A low voltage switchgear as claimed in claim 9, wherein: chamfer angles (312) are formed on two sides of the end part, facing the inside of the protective outer box (1), of the pulley seat (31); the bearing platform (32) is provided with a guide edge (321) which is inclined upwards and tilted towards the inner end part of the protective outer box (1).