CN219575491U

CN219575491U - Isolation switch

Info

Publication number: CN219575491U
Application number: CN202223518491.8U
Authority: CN
Inventors: 张怡蕾; 刘基威
Original assignee: Shanghai Fanpu Power Protection Equipment Co ltd
Current assignee: Shanghai Fanpu Power Protection Equipment Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-08-22
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses an isolating switch, and belongs to the technical field of switches. The electric power generation device comprises a base, an insulating mechanism is arranged on the upper surface of the base, a clamping mechanism is arranged on the inner wall of the insulating mechanism, a rotating shaft is arranged on the inner wall of the clamping mechanism, a moving contact is fixedly connected to the outer surface of the rotating shaft, a static contact is arranged on one side of the insulating mechanism, an elastic mechanism is arranged on one side of the static contact, and a conducting rod is arranged on the inner wall of the elastic mechanism. According to the utility model, when the base, the insulating mechanism, the elastic mechanism, the rotating shaft, the moving contacts and the fixed contacts are arranged, the moving contacts are driven to rotate by rotating the rotating shaft, so that the moving contacts move along the inside of the insulating mechanism, the moving contacts move to be in sliding contact with the inner sides of the two fixed contacts at the side surfaces, and the aim that the device can rotate the moving contacts according to the rotating shaft, the moving contacts slide to be in contact with the fixed contacts at the side surfaces, and the moving contacts are prevented from generating larger impact on the fixed contacts is achieved.

Description

Isolation switch

Technical Field

The utility model relates to an isolating switch, and belongs to the technical field of switches.

Background

The isolating switch is a switching device which is mainly used for isolating a power supply, switching operation and switching on and off a small current circuit and has no arc extinguishing function. The isolating switch is mainly used for reliably isolating the part needing power failure from the electrified part in the high-voltage power distribution device so as to ensure the safety of maintenance work.

When the existing manual isolating switch is used, the insulating operating rod is pulled at first, so that the operating rod drives the moving contact to be in contact with the fixed contact, and because the moving contact and the fixed contact are close to each other and arc is easy to generate, a worker needs to break quickly when the switch is closed, and further the force is too strong when the switch is closed easily, so that the moving contact and the fixed contact are subjected to larger impact, the moving contact and the fixed contact are caused to collide greatly, the service lives of the moving contact and the fixed contact are influenced, and a new scheme is required to be provided for solving the problem.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the isolating switch solves the problems that when the existing isolating switch in the prior art is switched on, the moving contact and the fixed contact are easy to generate larger impact, the moving contact and the moving contact are caused to collide greatly, and the service lives of the moving contact and the fixed contact are influenced.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme:

the utility model provides an isolator, includes the base, the upper surface of base is provided with insulating mechanism, insulating mechanism's inner wall is provided with clamping mechanism, clamping mechanism's inner wall is provided with the axis of rotation, the surface fixedly connected with moving contact of axis of rotation, insulating mechanism's a side is provided with the static contact, a side of static contact is provided with elastic mechanism, elastic mechanism's inner wall is provided with the conducting rod, insulating mechanism's a side is provided with the conducting block, a side and the one end fixed connection of conducting rod of conducting block.

Through adopting above-mentioned technical scheme, through being provided with base, insulating mechanism, elastic mechanism, axis of rotation, moving contact and static contact when closing a floodgate, through rotatory drive the moving contact rotation to the axis of rotation, make the moving contact along insulating mechanism inside motion to make the moving contact move to the inboard sliding contact with two static contacts in the side, reach the device can be according to the rotatory moving contact of axis of rotation, make the moving contact slide to the contact with the static contact in the side, avoid the moving contact to the purpose that the static contact produced great impact.

The utility model is further provided with: the insulation mechanism comprises an outer shell, wherein the inner wall of the outer shell is fixedly connected with a positioning cylinder, and one side surface of the positioning cylinder is fixedly connected with an inner shell.

Through adopting above-mentioned technical scheme, the quantity of locating cylinder has two, and symmetrical distribution is in the inner shell both sides, and inner shell, shell and locating cylinder all adopt insulating material.

The utility model is further provided with: the clamping mechanism comprises a fixing plate, a locating rod is fixedly connected to one side face of the fixing plate, a first spring is sleeved on the outer surface of the locating rod, and one end of the first spring is fixedly connected with one side face of the fixing plate.

By adopting the technical scheme, the number of the fixing plates is two, each group of fixing plates is four, and the angle between two adjacent fixing plates is ninety degrees.

The utility model is further provided with: the outer surface sliding connection of locating lever has the extrusion piece, a side of extrusion piece and a side fixed connection of first spring, a side sliding connection of extrusion piece has the rotating block, the inner wall of rotating block and the surface fixed connection of axis of rotation.

Through adopting above-mentioned technical scheme, the surface of turning block has seted up flutedly, and the recess quantity has four, and the angle between two adjacent recesses is ninety degrees, extrudees the turning block through the extrusion piece, through the rotatory resistance that improves the turning block, further improves the rotatory resistance of axis of rotation to the axis of rotation remains stable.

The utility model is further provided with: the elastic mechanism comprises a conductive torch, a second spring is sleeved on the outer surface of the conductive torch, and a fixing frame is connected with the outer surface of the conductive torch in a sliding manner.

Through adopting above-mentioned technical scheme, the mount adopts insulating material, and conductive cylinder plays the location effect, makes conductive cylinder stable reciprocal slip.

The utility model is further provided with: one side of the fixing frame is fixedly connected with the outer surface of the inner shell, the inner wall of the conductive torch is slidably connected with the outer surface of the conductive rod, one side of the fixing frame is fixedly connected with one side of the conductive block, one end of the second spring is fixedly connected with the outer surface of the static contact, and one side of the conductive torch is fixedly connected with the outer surface of the static contact.

Through adopting above-mentioned technical scheme, through leading torch and second spring to the fixed contact location, make the fixed contact reciprocal slip, under the promotion of second spring, make fixed contact and moving contact close contact, first spring and second spring surface are provided with insulating coating.

The utility model is further provided with: the outer surface of shell and the upper surface fixed connection of base, the surface of inner shell and a side fixed connection of mount, a side fixed connection of inner shell and fixed plate, the inner wall of inner shell is rotated with the surface of axis of rotation and is connected, the inner wall of locating cylinder is rotated with the surface of axis of rotation and is connected, the inner wall of inner shell and the surface sliding connection of moving contact, a side of inner shell and the surface sliding connection of static contact, the inner wall of outer shell and the surface fixed connection of conducting block.

Through adopting above-mentioned technical scheme, the quantity of conducting block has two, and about the middle part symmetric distribution of shell, shelter from moving contact and stationary contact through insulating mechanism, be convenient for protect when contacting stationary contact and moving contact.

The beneficial effects of the utility model are as follows:

1. according to the utility model, when the base, the insulating mechanism, the elastic mechanism, the rotating shaft, the moving contact and the fixed contact are arranged, the moving contact is driven to rotate by rotating the rotating shaft, so that the moving contact moves along the inside of the insulating mechanism, the moving contact moves to be in sliding contact with the inner sides of the two fixed contacts at the side surface, and the aim that the moving contact can slide to be in contact with the fixed contact at the side surface according to the rotating shaft by rotating the moving contact by the device is achieved, so that the moving contact is prevented from generating larger impact on the fixed contact;

2. according to the utility model, the rotating block, the first spring and the extrusion block are arranged, when the switch-on is carried out, the extrusion block is driven to move by the first spring, so that the extrusion block props against the rotating block, meanwhile, four grooves are formed in the surface of the rotating block, two adjacent grooves are ninety degrees, the rotating resistance of the rotating block is improved, and therefore, the rotating resistance of the rotating shaft is improved, the rotating shaft is stopped rotating after ninety degrees of rotation, and the purpose that the device enables the moving contact and the two fixed contacts to be stably contacted and communicated is achieved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a cross-sectional view of the front view of the inner housing of the present utility model.

Fig. 3 is a front view of the inner housing of the present utility model.

Fig. 4 is a front view of the positioning cartridge of the present utility model.

In the figure: 1. a base; 2. an insulation mechanism; 201. a housing; 202. a positioning cylinder; 203. an inner case; 3. a clamping mechanism; 301. a fixing plate; 302. a positioning rod; 303. a first spring; 304. extruding a block; 305. a rotating block; 4. a rotating shaft; 5. a moving contact; 6. a stationary contact; 7. an elastic mechanism; 701. a conductive torch; 702. a second spring; 703. a fixing frame; 8. a conductive rod; 9. and a conductive block.

Detailed Description

The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, an isolating switch comprises a base 1, an insulating mechanism 2 is arranged on the upper surface of the base 1, the insulating mechanism 2 comprises an outer shell 201, the inner wall of the outer shell 201 is fixedly connected with a positioning cylinder 202, one side surface of the positioning cylinder 202 is fixedly connected with an inner shell 203, two positioning cylinders 202 are symmetrically distributed on two sides of the inner shell 203, the outer shell 201 and the positioning cylinder 202 are made of insulating materials, a clamping mechanism 3 is arranged on the inner wall of the insulating mechanism 2, the clamping mechanism 3 comprises a fixed plate 301, one side surface of the fixed plate 301 is fixedly connected with a positioning rod 302, the outer surface of the positioning rod 302 is sleeved with a first spring 303, one end of the first spring 303 is fixedly connected with one side surface of the fixed plate 301, two groups of fixed plates 301 are respectively connected with four fixed plates 301, the adjacent fixed plates 301 are in number, the inner wall of the clamping mechanism 3 is provided with a rotating shaft 4, the outer surface of the positioning rod 302 is slidably connected with a pressing block 304, one side surface of the pressing block 304 is fixedly connected with one side surface of the first spring 303, one side surface of the pressing block 304 is slidably connected with one side surface of the first spring 304, one side surface of the pressing block 304 is rotatably connected with the rotating block 305 through the rotating shaft 305, the rotating shaft is further provided with the rotating shaft 4, and the rotating resistance is increased by the rotating shaft 305, and the rotating resistance is increased by four grooves and is kept by the rotating shaft 4, and the rotating resistance is kept by the rotating shaft 4, and is further the rotating and is kept by the rotating groove 305.

A conductive block 9 is arranged on one side of the insulating mechanism 2, the outer surface of the outer shell 201 is fixedly connected with the upper surface of the base 1, the outer surface of the inner shell 203 is fixedly connected with one side of the fixed frame 703, one side of the inner shell 203 is fixedly connected with one side of the fixed plate 301, the inner wall of the inner shell 203 is rotationally connected with the outer surface of the rotating shaft 4, the inner wall of the positioning cylinder 202 is rotationally connected with the outer surface of the rotating shaft 4, the inner wall of the inner shell 203 is slidably connected with the outer surface of the movable contact 5, one side of the inner shell 203 is slidably connected with the outer surface of the fixed contact 6, the inner wall of the outer shell 201 is fixedly connected with the outer surface of the conductive block 9, the number of the conductive blocks 9 is two, the two conductive blocks are symmetrically distributed with respect to the middle of the outer shell 201, the movable contact 5 and the fixed contact 6 are shielded by the insulating mechanism 2, the fixed contact 6 and the movable contact 5 are conveniently protected, and one side of the conductive block 9 is fixedly connected with one end of the conductive rod 8.

The fixed surface of axis of rotation 4 is fixedly connected with moving contact 5, one side of insulating mechanism 2 is provided with static contact 6, one side of static contact 6 is provided with elastic mechanism 7, the inner wall of elastic mechanism 7 is provided with conducting rod 8, elastic mechanism 7 includes conducting tube 701, the surface of conducting tube 701 has cup jointed second spring 702, the surface and the sliding connection of conducting tube 701 have mount 703, mount 703 adopts insulating material, conducting tube 701 plays the positioning effect, make conducting tube 701 stably reciprocate slide, one side of mount 703 is fixedly connected with the surface of inner shell 203, the inner wall of conducting tube 701 and the surface sliding connection of conducting rod 8, one side of mount 703 and one side fixed connection of conducting block 9, one end and the surface fixed connection of static contact 6 of second spring 702, one side of conducting tube 701 and the surface fixed connection of static contact 6, fix a position static contact 6 through conducting tube 701 and second spring 702, make static contact 6 reciprocate slide under the promotion of second spring 702, make static contact 6 and moving contact 5 closely contact, first spring 303 and second spring 702 surface are provided with insulating coating.

The implementation principle of the utility model is as follows: firstly, two conducting blocks 9 on the device are respectively communicated with a circuit, then when the circuit is needed to be communicated, a rocking handle at one end of a rotating shaft 4 is rotated, the rotating shaft 4 is driven to rotate, the moving contact 5 is driven to rotate by ninety degrees, then the rotating shaft 4 is controlled to rotate by ninety degrees, further the moving contact 5 is driven to rotate by ninety degrees, the moving contact 5 is enabled to rotate along the arc inner wall of an inner shell 203, the moving contact 5 is enabled to move to the inner side of a fixed contact 6 laterally, meanwhile, the fixed contact 6 is extruded, the fixed contact 6 is enabled to be tightly contacted with the moving contact 6 through extrusion of a second spring 702, meanwhile, the moving contact 5 is prevented from moving to rapidly generate larger impact on the fixed contact 6, then one side of the two fixed contacts 6 is respectively communicated with the conducting block 9 through the conducting torch 701 and the conducting rod 8, meanwhile, the rotating block 305 is driven to rotate by the rotating shaft 4, an extrusion block 304 is arranged on the outer surface of the rotating block 305, one side of the extrusion block 304 is provided with a first spring 303, the other end of the first spring 303 is fixedly connected with a fixed plate 301, the fixed plate 301 is enabled to be fixedly connected with the inner shell 203, the first spring 303 is enabled to push the extrusion block 304 to prop against the rotating block 305, and the rotating block 305 is enabled to rotate by the rotation block 305, and the rotating block 305 is enabled to be stably communicated with the rotating block 5, and the rotating resistance is enabled to be stably and stable, and the rotating contact is prevented from rotating, and the rotating 5 is kept.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of various changes and modifications without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An isolating switch, characterized in that: including base (1), the upper surface of base (1) is provided with insulating mechanism (2), the inner wall of insulating mechanism (2) is provided with clamping mechanism (3), the inner wall of clamping mechanism (3) is provided with axis of rotation (4), the surface fixedly connected with moving contact (5) of axis of rotation (4), a side of insulating mechanism (2) is provided with static contact (6), a side of static contact (6) is provided with elastic mechanism (7), the inner wall of elastic mechanism (7) is provided with conducting rod (8), a side of insulating mechanism (2) is provided with conducting block (9), a side of conducting block (9) and one end fixed connection of conducting rod (8).

2. An isolating switch as in claim 1, wherein: the insulation mechanism (2) comprises an outer shell (201), wherein the inner wall of the outer shell (201) is fixedly connected with a positioning cylinder (202), and one side surface of the positioning cylinder (202) is fixedly connected with an inner shell (203).

3. An isolating switch as in claim 2, wherein: the clamping mechanism (3) comprises a fixed plate (301), a positioning rod (302) is fixedly connected to one side face of the fixed plate (301), a first spring (303) is sleeved on the outer surface of the positioning rod (302), and one end of the first spring (303) is fixedly connected with one side face of the fixed plate (301).

4. A disconnector according to claim 3, characterized in that: the outer surface sliding connection of locating lever (302) has extrusion piece (304), one side of extrusion piece (304) and one side fixed connection of first spring (303), one side sliding connection of extrusion piece (304) has rotating block (305), the inner wall of rotating block (305) is connected with the surface fixed of axis of rotation (4).

5. An isolating switch as in claim 4, wherein: the elastic mechanism (7) comprises a conductive torch (701), a second spring (702) is sleeved on the outer surface of the conductive cylinder (701), and a fixing frame (703) is connected with the outer surface of the conductive cylinder (701) in a sliding manner.

6. An isolating switch as in claim 5, further comprising: one side of mount (703) is fixedly connected with the surface of inner shell (203), the inner wall of conductive cylinder (701) and the surface sliding connection of conducting rod (8), one side of mount (703) and one side fixed connection of conducting block (9), one end of second spring (702) and the surface fixed connection of stationary contact (6), one side of conductive cylinder (701) and the surface fixed connection of stationary contact (6).

7. An isolating switch as in claim 6, wherein: the outer surface of shell (201) is fixedly connected with the upper surface of base (1), the surface of inner shell (203) is fixedly connected with one side of mount (703), one side of inner shell (203) is fixedly connected with one side of fixed plate (301), the inner wall of inner shell (203) is rotationally connected with the outer surface of axis of rotation (4), the inner wall of positioning tube (202) is rotationally connected with the outer surface of axis of rotation (4), the inner wall of inner shell (203) is slidingly connected with the outer surface of moving contact (5), one side of inner shell (203) is slidingly connected with the outer surface of fixed contact (6), the inner wall of outer shell (201) is fixedly connected with the outer surface of conducting block (9).