CN212343046U

CN212343046U - Cubical switchboard safety device

Info

Publication number: CN212343046U
Application number: CN202020965123.XU
Authority: CN
Inventors: 朱顺华
Original assignee: Sichuan Huisi Electric Co ltd
Current assignee: Sichuan Huisi Electric Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-01-12
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a cubical switchboard safety device, include cubical switchboard main part, on-off mechanism, switch door, supporting mechanism, support, drive mechanism, stop gear, mount pad, plug-in strip spanner, cam, support pole, spring and spacing groove. The utility model has the advantages that: the knife switch wrench is held to rotate, when the knife switch wrench rotates ninety degrees clockwise, closing operation is completed, the cam also rotates ninety degrees clockwise, at the moment, the end part of the cam can resist and extrude the end part of the support rod, when the support rod is extruded, the spring is compressed simultaneously, the support rod moves along with the cam, the end part of the support rod departing from the cam can be clamped into the limit groove, when the knife switch wrench rotates to the original position again, the support rod is separated from the limit groove along with the support rod under the action of the resilience force of the spring, further limiting and fixing of the opening and closing door when the switch is powered on are achieved, the condition that a new hand directly opens the switch door due to negligence can be avoided, and the safety of the device is improved.

Description

Cubical switchboard safety device

Technical Field

The utility model relates to a cubical switchboard protector specifically is a cubical switchboard safety device, belongs to cubical switchboard protection technical field.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system.

In the use process of a high-voltage switch cabinet, when the high-voltage switch cabinet is in a closing power-on state, a general cabinet door cannot be opened for safety, however, in the actual use process, some novice operators are inexperienced, and can prepare to open the cabinet door in the power-on state due to negligence during operation, so that certain potential safety hazards can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cubical switchboard safety device just lies in providing for solving above-mentioned problem, can carry out further spacing fixed to the cabinet door when combined floodgate circular telegram, avoids the new hand directly to open the cabinet door because of the negligence to improve device's security.

The utility model achieves the above purpose through the following technical scheme, a switch cabinet safety protection device comprises a switch cabinet main body, one side of the switch cabinet main body is provided with a switch mechanism, the switch mechanism comprises a switch door, the switch door is installed on one side of the switch cabinet main body, the bottom of the switch cabinet main body is provided with a support mechanism, the support mechanism comprises a support, the bottom of the switch cabinet main body is fixed with the support, the inside of one side of the support is provided with a transmission mechanism, the inside of the switch door is provided with a limit mechanism, the limit mechanism comprises a placing seat, a knife switch wrench, a cam, a support rod, a spring and a limit groove, the placing seat is fixed on one side of the switch door, the knife wrench is arranged on the placing seat, the knife wrench penetrates through the switch door and extends to the inside of the switch cabinet main body, the cam is fixed on the side wall inside the switch door by the knife wrench, the switch door is characterized in that the abutting rod is arranged on one side of the cam inside the switch door, the abutting rod is clamped inside the switch door, the spring is wound on the abutting rod, one end of the spring is connected to one end, close to the cam, of the abutting rod, the other end of the spring is connected to the inner wall of the switch door, the limiting groove is arranged inside the switch cabinet body, close to one side of the switch door, and the shape and the size of the cross section of the end portion of the abutting rod are the same as those of the cross section of the limiting groove.

Preferably, for the convenience right the switch door opens and shuts, switching mechanism still includes the catching groove, the position that one side is close to the bottom on the switch door is equipped with the catching groove, the bottom of one side is equipped with the filter screen in the cubical switchboard main part.

Preferably, in order to facilitate the movement of the whole device, the supporting mechanism further comprises a handle, a screw rod, a first sliding block, a second sliding block, a roller, a mounting block, a first supporting rod and a second supporting rod, the handle is arranged at one end of one side of the support, one end of the handle extends into the support and is connected with the screw rod, the screw rod is rotationally connected into the support, and the side walls at the two ends of the screw rod are respectively in threaded connection with the first sliding block and the second sliding block, the bottom ends of the first sliding block and the second sliding block are respectively and rotatably connected with one second supporting rod, the other end of the second supporting rod is provided with the roller, the other end of the roller is provided with the first supporting rod, one end of the first supporting rod, which deviates from the roller, is rotatably connected to the mounting blocks, and the two mounting blocks are respectively fixed on two sides of the top end inside the support.

Preferably, in order to further facilitate the movement of the whole device, the screw threads on the side walls of the two sides of the screw are opposite in direction, and the screw penetrates through the two first supporting rods.

Preferably, for convenience, the supporting mechanism is driven, the driving mechanism comprises a first gear, a second gear and a chain, the handle is located at the position inside the side wall of the support, the first gear is fixed on the position inside the side wall of the support, the second gear is arranged on the other side of the first gear, the chain is wound on the first gear and the second gear, and the middle parts of the first gear and the second gear are respectively connected with one screw rod.

Preferably, in order to guide and limit the rotation of the bump conveniently, the limiting mechanism further comprises a sliding groove and a sliding block, one side of the cam is connected with the sliding block, the sliding groove is formed in the inner wall of the inner cavity of the switch door, and the sliding block is clamped in the sliding groove.

Preferably, in order to further facilitate the limiting of the abutting rod, the limiting mechanism further comprises two protruding blocks, and two protruding blocks are fixed on the end part of the abutting rod close to one side of the limiting groove.

The utility model has the advantages that: during the in-service use, when switching on the circular telegram to the cubical switchboard main part, the user can hold the knife switch spanner and rotate, knife switch spanner rotates and drives the cam and rotates, accomplish the switching on operation after the clockwise ninety degrees of rotating of knife switch spanner, then the cam also rotates ninety degrees clockwise thereupon, at this moment, the tip of cam will be contradicted the extrusion to the tip of supporting the pole, when supporting the pole and receiving the extrusion, the spring is compressed simultaneously, it removes thereupon to support the pole, then support the pole and deviate from the tip of cam and will block into the spacing groove, and after rotating knife switch spanner to the normal position again, under the effect of spring resilience power, make to support the pole and also break away from the spacing groove thereupon, thereby realized opening and closing the door when the circular telegram and go on further spacing fixed, make and can avoid new hand because the direct switch door of neglected opening, the security of device has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a connection structure of the switch cabinet main body, the switch mechanism and the limiting mechanism shown in fig. 1;

FIG. 3 is a schematic structural view of the support mechanism shown in FIG. 1;

FIG. 4 is a schematic view of a connection structure between the supporting mechanism and the transmission mechanism shown in FIG. 1;

fig. 5 is an enlarged view of the portion a shown in fig. 2.

In the figure: 1. the switch cabinet comprises a switch cabinet main body, 2, a switch mechanism, 21, a switch door, 22, a buckling groove, 3, a filter screen, 4, a supporting mechanism, 41, a support, 42, a handle, 43, a screw rod, 44, a first sliding block, 45, a second sliding block, 46, a roller, 47, an installation block, 48, a first supporting rod, 49, a second supporting rod, 5, a transmission mechanism, 51, a first gear, 52, a second gear, 53, a chain, 6, a limiting mechanism, 61, a placing seat, 62, a knife switch wrench, 63, a cam, 64, a sliding groove, 65, a sliding block, 66, a resisting rod, 67, a spring, 68, a lug, 69 and a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a switch cabinet safety protection device includes a switch cabinet main body 1, a switch mechanism 2 is disposed on one side of the switch cabinet main body 1, the switch mechanism 2 includes a switch door 21, the switch door 21 is mounted on one side of the switch cabinet main body 1, a support mechanism 4 is disposed at the bottom of the switch cabinet main body 1, the support mechanism 4 includes a support 41, the support 41 is fixed at the bottom end of the switch cabinet main body 1, a transmission mechanism 5 is disposed inside one side of the support 41, a limit mechanism 6 is disposed inside the switch door 21, the limit mechanism 6 includes a seat 61, a knife wrench 62, a cam 63, a support rod 66, a spring 67 and a limit groove 69, the seat 61 is fixed on one side of the switch door 21, the knife wrench 62 is disposed on the seat 61, the knife wrench 62 penetrates through the switch door 21 and extends to the inside of the switch cabinet main body 1, the cam 63 is fixed on the side wall of the switch door 21 inside the knife switch wrench 62, the abutting rod 66 is arranged on one side of the cam 63 inside the switch door 21, the abutting rod 66 is clamped inside the switch door 21, the spring 67 is wound on the abutting rod 66, one end of the spring 67 is connected to one end, close to the cam 63, of the abutting rod 66, the other end of the spring 67 is connected to the inner wall of the switch door 21, the limiting groove 69 is arranged inside the switch cabinet main body 1, close to one side of the switch door 21, and the shape and size of the cross section of the end portion of the abutting rod 66 are the same as those of the cross section of the limiting groove 69.

As a technical optimization scheme of the utility model, switching mechanism 2 still includes catching groove 22, the position that one side is close to the bottom on the switch door 21 is equipped with catching groove 22, the bottom of one side is equipped with filter screen 3 on the cubical switchboard main part 1.

As a technical optimization scheme of the present invention, the supporting mechanism 4 further includes a handle 42, a screw 43, a first slider 44, a second slider 45, a roller 46, a mounting block 47, a first supporting rod 48 and a second supporting rod 49, one end of one side of the support 41 is provided with the handle 42, one end of the handle 42 extends into the support 41 and is connected with the screw 43, the screw 43 is rotatably connected to the inside of the support 41, the side walls of the two ends of the screw 43 are respectively in threaded connection with the first slider 44 and the second slider 45, the bottom ends of the first slider 44 and the second slider 45 are respectively rotatably connected with one second supporting rod 49, the other end of the second supporting rod 49 is provided with the roller 46, the other end of the roller 46 is provided with the first supporting rod 48, the first supporting rod 48 deviates from one end of the roller 46 and is rotatably connected to the mounting block 47, the two mounting blocks 47 are respectively fixed on two sides of the inner top end of the support 41.

As a technical optimization scheme of the utility model, screw thread opposite direction on the lateral wall of screw rod 43 both sides, just screw rod 43 runs through in two first branch 48.

As a technical optimization scheme of the present invention, the transmission mechanism 5 includes a first gear 51, a second gear 52 and a chain 53, the handle 42 is located the inside position of the side wall of the support 41 is fixed with the first gear 51, the other side of the first gear 51 is provided with the second gear 52, the first gear 51 and the second gear 52 are wound with the chain 53, and the middle portions of the first gear 51 and the second gear 52 are respectively connected with one screw 43.

As a technical optimization scheme of the utility model, stop gear 6 still includes spout 64 and slider 65, one side of cam 63 is connected with slider 65, be equipped with on the inner wall of switch door 21 inner chamber spout 64, slider 65 block in spout 64.

As a technical optimization scheme of the utility model, stop gear 6 still includes lug 68, it is close to support pole 66 be fixed with two on the tip of spacing groove 69 one side lug 68.

When the utility model is used, firstly, the switch cabinet main body 1 is fixedly arranged at a required proper position through the support 41, and the preparation work before the device is used is completed; in practical use, when the switch cabinet main body 1 is switched on and powered on, a user can hold the knife switch wrench 62 to rotate, the knife switch wrench 62 rotates to drive the cam 63 to rotate, when the knife switch wrench 62 rotates clockwise by ninety degrees to complete the switching-on operation, the cam 63 also rotates clockwise by ninety degrees, the sliding block 65 also slides in the sliding groove 64, at the same time, the end of the cam 63 pushes against the end of the resisting rod 66, when the resisting rod 66 is pushed, the spring 67 is compressed at the same time, the resisting rod 66 moves along with the spring, the end of the resisting rod 66 departing from the cam 63 is clamped into the limiting groove 69, and when the knife switch wrench 62 is rotated again to the original position, the resisting rod 66 is also separated from the limiting groove 69 under the resilience force of the spring 67, so that the further limiting and fixing of the switch door 21 during the switching-on can be realized, and a new hand can be prevented from directly opening the switch door 21 due to carelessness, the safety of the device is improved; when needs move cubical switchboard main part 1, the user can manually rotate handle 42, handle 42 rotates and drives first gear 51 and rotate, then drive second gear 52 through chain 53 and rotate, thereby drive two screw rods 43 and rotate, along with the rotation of screw rod 43, make first slider 44 and second slider 45 remove mutually in opposite directions, drive first branch 48 and second branch 49 and rotate, be close to ground gradually, thereby finally make gyro wheel 46 contradict in ground, make things convenient for cubical switchboard main part 1's removal.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a cubical switchboard safety device, includes cubical switchboard main part (1), its characterized in that: one side of the switch cabinet main body (1) is provided with a switch mechanism (2), the switch mechanism (2) comprises a switch door (21), the switch door (21) is installed on one side of the switch cabinet main body (1), a supporting mechanism (4) is arranged at the bottom of the switch cabinet main body (1), the supporting mechanism (4) comprises a support (41), the support (41) is fixed at the bottom end of the switch cabinet main body (1), a transmission mechanism (5) is arranged inside one side of the support (41), a limiting mechanism (6) is arranged inside the switch door (21), the limiting mechanism (6) comprises a placing seat (61), a knife switch wrench (62), a cam (63), a support rod (66), a spring (67) and a limiting groove (69), the placing seat (61) is fixed on one side of the switch door (21), the knife wrench (62) is arranged on the placing seat (61), the knife switch wrench (62) penetrates through the switch door (21) and extends to the interior of the switch cabinet main body (1), the cam (63) is fixed on the side wall of the switch blade spanner (62) inside the switch door (21), the inside of the switch door (21) is provided with the abutting rod (66) at one side of the cam (63), the resisting rod (66) is clamped inside the switch door (21), the spring (67) is wound on the resisting rod (66), one end of the spring (67) is connected with one end of the abutting rod (66) close to the cam (63), the other end of the spring (67) is connected with the inner wall of the switch door (21), the inner part of one side of the switch cabinet main body (1) close to the switch door (21) is provided with the limit groove (69), the shape and the size of the cross section of the end part of the abutting rod (66) are the same as those of the cross section of the limiting groove (69).

2. The switch cabinet safety protection device according to claim 1, characterized in that: the switch mechanism (2) further comprises a buckling groove (22), the position, close to the bottom end, of one side of the switch door (21) is provided with the buckling groove (22), and the bottom end of one side of the switch cabinet main body (1) is provided with the filter screen (3).

3. The switch cabinet safety protection device according to claim 1, characterized in that: the supporting mechanism (4) further comprises a handle (42), a screw rod (43), a first sliding block (44), a second sliding block (45), a roller (46), an installation block (47), a first supporting rod (48) and a second supporting rod (49), wherein the handle (42) is arranged at one end of one side of the support (41), one end of the handle (42) extends into the support (41) and is connected with the screw rod (43), the screw rod (43) is rotatably connected into the support (41), the side walls at the two ends of the screw rod (43) are respectively in threaded connection with the first sliding block (44) and the second sliding block (45), the bottom ends of the first sliding block (44) and the second sliding block (45) are respectively in rotatable connection with the second supporting rod (49), the roller (46) is arranged at the other end of the second supporting rod (49), and the first supporting rod (48) is arranged at the other end of the roller (46), one end, deviating from the roller (46), of the first support rod (48) is rotatably connected to the mounting blocks (47), and the two mounting blocks (47) are respectively fixed on two sides of the top end inside the support (41).

4. A switchgear cabinet safety arrangement according to claim 3, wherein: the thread directions on the two side walls of the screw rod (43) are opposite, and the screw rod (43) penetrates through the two first supporting rods (48).

5. A switchgear cabinet safety arrangement according to claim 3, wherein: drive mechanism (5) include first gear (51), second gear (52) and chain (53), handle (42) are located be fixed with on the inside position of support (41) lateral wall first gear (51), the opposite side of first gear (51) is equipped with second gear (52), first gear (51) with twine on second gear (52) chain (53), just first gear (51) with the middle part of second gear (52) is connected with one respectively screw rod (43).

6. The switch cabinet safety protection device according to claim 1, characterized in that: stop gear (6) still include spout (64) and slider (65), one side of cam (63) is connected with slider (65), be equipped with on the inner wall of switch door (21) inner chamber spout (64), slider (65) block in spout (64).

7. The switch cabinet safety protection device according to claim 1, characterized in that: the limiting mechanism (6) further comprises a bump (68), and two bumps (68) are fixed on the end part of the abutting rod (66) close to one side of the limiting groove (69).