CN217848776U

CN217848776U - Cubical switchboard valve actuating mechanism with self-locking function

Info

Publication number: CN217848776U
Application number: CN202221226068.8U
Authority: CN
Inventors: 赵晨曦; 汪梦诗; 谢笛; 盛丽艳; 黄飞
Original assignee: Zhejiang Jusheng Electric Co ltd
Current assignee: Zhejiang Jusheng Electric Co ltd
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2022-11-18
Anticipated expiration: 2032-05-21

Abstract

The utility model discloses a cubical switchboard valve actuating mechanism with self-locking function, guide rail including two symmetry settings, two the spout has all been seted up between two parties to the face in opposite directions of guide rail, and equal fixed mounting has a guide bar in two spouts, two the outer fringe face top of guide bar all slides with the bottom and is provided with the slider, and two are located the fixed valve that is provided with between the slider at top, and two are located fixed mounting have lower valve between the slider of bottom, go up the equal fixed mounting in both ends of valve and lower valve one side and have articulated seat, two rotate on the articulated seat and install synchronous drive subassembly. This cubical switchboard valve actuating mechanism with self-locking function possesses dustproof construction, can avoid the valve to produce and then the condition of card pause because of the dust when removing to avoid leading to the condition of buckling of connecting rod one or connecting rod two because of the card pause, with the guarantee move the dolly moving contact and be connected with the high-pressure static contact, still possess self-locking function, the practicality is stronger.

Description

Cubical switchboard valve actuating mechanism with self-locking function

Technical Field

The utility model belongs to the technical field of the cubical switchboard, concretely relates to cubical switchboard valve actuating mechanism with self-locking function.

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 control, magnetic switches of motors, various alternating current contactors, and the like, some are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some are also provided with low-frequency load shedding for keeping main equipment.

At present, valve mechanisms on switch cabinets are opened in a sliding mode, and are interlocked with a circuit breaker handcart through a connecting rod mechanism, and the circuit breaker handcart pushes the valve mechanisms to move through the connecting rod mechanism in the shaking-in and shaking-out processes.

The upper and lower valves in the prior art can linearly slide, and when the upper and lower valves slide, if granular dust falls in the guide rail, the movement of the upper and lower valves can be influenced, so that the blockage of the upper and lower valves is caused, the normal opening of the valves is influenced, the bending of the link mechanism is easily caused by the blockage, the connection between the moving contact of the moving trolley and the high-voltage static contact is influenced, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cubical switchboard valve actuating mechanism with self-locking function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme does:

a valve driving mechanism with a self-locking function for a switch cabinet comprises two guide rails which are symmetrically arranged;

the two guide rails are provided with sliding grooves in the middle, guide rods are fixedly mounted in the two sliding grooves, sliding blocks are arranged at the top ends and the bottom ends of the outer edge surfaces of the two guide rods in a sliding mode, an upper valve is fixedly arranged between the two sliding blocks at the top, a lower valve is fixedly mounted between the two sliding blocks at the bottom end, hinge seats are fixedly mounted at two ends of one side of each of the upper valve and the lower valve, and synchronous transmission assemblies for driving the upper valve and the lower valve to linearly slide are rotatably mounted on the two hinge seats at the same side;

the slider is internally and fixedly provided with a linear bearing which is arranged on the guide rod in a sliding manner, and the top end and the bottom end of the slider are fixedly bonded with a sponge dust-proof sleeve which is sleeved on the guide rod.

Further, the synchronous transmission assembly comprises a shell, a mounting groove is formed in one side of the shell, and a shaft rod is arranged at the top and the bottom of the mounting groove in a rotating mode.

Furthermore, gears are fixedly mounted on one sides of the outer edge surfaces of the two shaft levers, and the two gears are meshed with each other.

Furthermore, two lie in one of the top in the axostylus axostyle fixed mounting has a driving arm one on the outer fringe face of axostylus axostyle, and one side of keeping away from the gear on the outer fringe face of axostylus axostyle is fixed mounting to driving arm one, the one end that the gear was kept away from to driving arm one is rotated through the pivot and is connected with connecting rod one, and the articulated seat of installation on connecting on lower valve is rotated through the bearing to the one end that driving arm one was kept away from to connecting rod one.

Furthermore, two fixed mounting has transmission arm two on the outer fringe face of a axostylus axostyle that lies in the below in the axostylus axostyle, and two fixed mounting of transmission arm keep away from one side of gear on the outer fringe face of axostylus axostyle, the one end that the gear was kept away from to transmission arm two is rotated through the pivot and is connected with connecting rod two, and the articulated seat of installation on last valve is connected in the rotation of bearing to the one end that the transmission arm one was kept away from to connecting rod one.

Furthermore, a supporting arm is formed at one end, far away from the second connecting rod, of the second transmission arm, and a connecting shaft is formed at the bottom end of one side of the supporting arm.

Furthermore, a fixed seat is formed at the bottom end of one side, away from the guide rail, of the shell, and a through hole is formed in the top end of the fixed seat.

Compared with the prior art, the utility model discloses following beneficial effect has:

the two guide rails with the guide rods arranged inside and the upper and lower valves with the sliding blocks fixedly arranged at two ends are used for driving the upper and lower valves to move by two sides through the two synchronous transmission assemblies respectively, so that the upper and lower valves drive the four sliding blocks to slide on the two guide rods respectively, when the two sliding blocks slide, particles such as dust fall into the linear bearing in the sliding blocks, two ends of the linear bearing are protected by the sponge dust blocking sleeve, the outer edge surface of each guide rod is cleaned by the sponge dust blocking sleeve, normal opening of the valves is guaranteed, blocking caused by dust when the valves move is avoided, bending of the connecting rod I or the connecting rod II caused by blocking is avoided, connection of a moving contact and a high-voltage static contact of the moving trolley is guaranteed, and the practicability is high;

benefit from the setting of two synchronous drive subassemblies, the support arm drive transmission arm two through being provided with the connecting axle uses the axostylus axostyle to rotate as the axle center, and when transmission arm two rotated, it rotates to drive the axostylus axostyle of gear drive another installation gear through the axostylus axostyle, make transmission arm one and transmission arm two move in opposite directions, valve and lower valve separate in cooperation connecting rod one and connecting rod two drive, the realization is to opening of valve, and the removal of valve and lower valve possesses higher stability on the gear synchro-driven through two intermeshing, and make the removal of going up valve and lower valve possess the auto-lock function through two synchronous drive subassembly intermeshing.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural diagram of the driving assembly of the present invention;

fig. 3 is an enlarged schematic view of the structure a in fig. 1 according to the present invention.

In the figure: 1. a guide rail; 2. a guide bar; 3. a slider; 4. a sponge dust-proof sleeve; 5. an upper valve; 6. a lower valve; 7. a hinged seat; 8. a synchronous drive assembly; 801. a housing; 802. a shaft lever; 803. a gear; 804. a first transmission arm; 805. a first connecting rod; 806. a second transmission arm; 807. a second connecting rod; 808. a support arm; 809. a connecting shaft; 810. a fixed seat.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1 and 3, a cubical switchboard valve actuating mechanism with self-locking function, including two guide rail 1 that the symmetry set up, two the face in opposite directions of guide rail 1 has all seted up the spout between two parties, and equal fixed mounting has guide bar 2 in two spouts, two the outer fringe face top and the bottom of guide bar 2 all slide and be provided with slider 3, two are located between the slider 3 at top and are fixed and be provided with valve 5, and two fixed mounting have lower valve 6 between the slider 3 that is located the bottom, the equal fixed mounting in both ends of going up valve 5 and lower valve 6 one side has articulated seat 7, and is located two with one side rotate on articulated seat 7 and install and be used for driving valve 5 and lower valve 6 to carry out rectilinear sliding's synchronous drive assembly 8, fixed mounting has the linear bearing that slides on guide bar 2 in the slider 3, and the top and the bottom of slider 3 all bond to be fixed with the sponge that the cover is located on guide bar 2 and hinder dirt cover 4.

As shown in fig. 1 and 2, the synchronous transmission assembly 8 includes a housing 801, one side of the housing 801 is provided with an installation groove, the top and the bottom of the installation groove are both rotatably provided with a shaft 802, one side of the outer edge surfaces of the two shaft 802 is fixedly provided with a gear 803, the two gears 803 are engaged with each other, a first transmission arm 804 is fixedly installed on the outer edge surface of the upper shaft 802 of the two shaft 802, the first transmission arm 804 is fixedly installed on the outer edge surface of the shaft 802 far away from the gear 803, one end of the first transmission arm 804 far away from the gear 803 is rotatably connected with a first connection rod 805 through a rotating shaft, one end of the first connection rod 805 far away from the first transmission arm 804 is rotatably connected to a hinge base 7 installed on the lower shutter 6 through a bearing, a second transmission arm 806 is fixedly installed on the outer edge surface of the lower shaft 802 of the two shaft 802, the second transmission arm 806 is fixedly installed on one side of the outer edge surface of the shaft lever 802 far away from the gear 803, one end of the second transmission arm 806 far away from the gear 803 is rotatably connected with the second connecting rod 807 through a rotating shaft, one end of the first connecting rod 805 far away from the first transmission arm 804 is rotatably connected with the hinge base 7 installed on the upper shutter 5 through a bearing, one end of the second transmission arm 806 far away from the second connecting rod 807 is provided with a supporting arm 808, the bottom end of one side of the supporting arm 808 is provided with a connecting shaft 809, the second transmission arm 806 is driven by the supporting arm 808 provided with the connecting shaft 809 to rotate by taking the shaft lever 802 as an axis, when the second transmission arm 806 rotates, the shaft lever 802 is synchronously driven to rotate, so that the gear 803 is driven by the shaft lever 802 to drive the other shaft lever 802 provided with the gear 803 to rotate, the first transmission arm 804 and the second transmission arm 806 move towards each other, and the first connecting rod 805 and the second connecting rod 807 drive the upper shutter 5 and the lower shutter 6 to separate, the opening of the valve is realized, the upper valve 5 and the lower valve 6 are synchronously driven to move through the two gears 803 which are meshed with each other, and the upper valve 5 and the lower valve 6 are enabled to move in a self-locking manner through the mutual meshing of the two synchronous transmission assemblies 8.

As shown in fig. 2, a fixing seat 810 is formed at the bottom end of the side of the housing 801 away from the guide rail 1, and a through hole is formed at the top end of the fixing seat 810, and screws prepared in advance are respectively screwed into the through holes on the two fixing seats 810 and screwed into a designated position, so that the installation of the synchronous transmission assembly 8 can be completed.

The working principle is as follows: this cubical switchboard valve actuating mechanism with self-locking function, during the use, through connecting two connecting axles 809 respectively in the both sides of dolly, thereby promote two support arms 808 that are provided with connecting axle 809 through the removal of dolly, thereby drive transmission arm two 806 and use axostylus axostyle 802 as the axle center rotation, will drive axostylus axostyle 802 rotation in step when transmission arm two 806 rotates, thereby drive another axostylus axostyle 802 of installing gear 803 through axostylus axostyle 802 and rotate, make transmission arm one 804 and transmission arm two 806 respectively use two axostylus axostyles 802 as the axle center and carry out the skew in opposite directions, in order to cooperate connecting rod one 805 and connecting rod two 807 to drive upper valve 5 and lower valve 6 and separate, and upper valve 5 and lower valve 6 when removing, will drive four sliders 3 and slide respectively on two guide bars 2, and in order to avoid dust etc. granule to fall into the linear bearing in the slider 3, when slider 3 removes, will drive sponge and hinder dirt cover 4 in step and protect the both ends of linear bearing, and clear up on the outer fringe face of guide bar 2 through sponge, thereby guarantee the normal opening of the valve, and avoid the movable contact to produce the convenience of moving contact and high pressure card, thereby the convenience of the dolly appears.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A valve driving mechanism with a self-locking function for a switch cabinet comprises two guide rails (1) which are symmetrically arranged;

the method is characterized in that: the two guide rails (1) are provided with sliding grooves in the middle in the opposite surfaces, the two sliding grooves are fixedly provided with guide rods (2), the top ends and the bottom ends of the outer edge surfaces of the two guide rods (2) are respectively provided with a sliding block (3) in a sliding manner, an upper valve (5) is fixedly arranged between the two sliding blocks (3) positioned at the top, a lower valve (6) is fixedly arranged between the two sliding blocks (3) positioned at the bottom, hinged seats (7) are fixedly arranged at the two ends of one side of each of the upper valve (5) and the lower valve (6), and synchronous transmission assemblies (8) for driving the upper valve (5) and the lower valve (6) to linearly slide are rotatably arranged on the two hinged seats (7) positioned at the same side;

the sliding block (3) is internally and fixedly provided with a linear bearing which is arranged on the guide rod (2) in a sliding manner, and the top end and the bottom end of the sliding block (3) are fixedly bonded with a sponge dust blocking sleeve (4) which is sleeved on the guide rod (2).

2. The switch cabinet shutter driving mechanism with the self-locking function according to claim 1, characterized in that: synchronous drive subassembly (8) include casing (801), the mounting groove has been seted up to one side of casing (801), and the top all rotates with the bottom in the mounting groove and is provided with axostylus axostyle (802).

3. The switch cabinet shutter driving mechanism with the self-locking function according to claim 2, characterized in that: and gears (803) are fixedly mounted on one side of the outer edge surfaces of the two shaft levers (802), and the two gears (803) are meshed with each other.

4. The switch cabinet shutter driving mechanism with the self-locking function according to claim 3, characterized in that: one of the two shaft levers (802) located above is fixedly provided with a first transmission arm (804) on the outer edge surface of the shaft lever (802), the first transmission arm (804) is fixedly arranged on one side, far away from the gear (803), of the outer edge surface of the shaft lever (802), one end, far away from the gear (803), of the first transmission arm (804) is rotatably connected with a first connecting rod (805), and one end, far away from the first transmission arm (804), of the first connecting rod (805) is rotatably connected with a hinge base (7) arranged on the lower valve (6).

5. The switch cabinet shutter driving mechanism with the self-locking function according to claim 4, characterized in that: two fixed mounting has second transmission arm (806) on the outer fringe face of a axostylus axostyle (802) that lies in the below in axostylus axostyle (802), and second transmission arm (806) fixed mounting keeps away from one side of gear (803) on the outer fringe face of axostylus axostyle (802), the one end that gear (803) were kept away from in second transmission arm (806) rotates and is connected with second connecting rod (807), and first connecting rod (805) keep away from the one end rotation connection of first transmission arm (804) and go up articulated seat (7) of installation on valve (5).

6. The switch cabinet shutter driving mechanism with the self-locking function according to claim 5, characterized in that: one end of the second transmission arm (806) far away from the second connecting rod (807) is provided with a supporting arm (808), and the bottom end of one side of the supporting arm (808) is provided with a connecting shaft (809).

7. The switch cabinet shutter driving mechanism with the self-locking function according to claim 6, characterized in that: the bottom end of one side, away from the guide rail (1), of the shell (801) is provided with a fixed seat (810), and the top end of the fixed seat (810) is provided with a through hole.