CN213936041U

CN213936041U - Medium-voltage solid-sealed vacuum circuit breaker with protection structure

Info

Publication number: CN213936041U
Application number: CN202120280357.5U
Authority: CN
Inventors: 蔡品花
Original assignee: Xiamen Wilsons Electrical Co ltd
Current assignee: Xiamen Wilsons Electrical Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-08-10
Anticipated expiration: 2031-02-01

Abstract

The utility model provides a middling pressure seals formula vacuum circuit breaker admittedly with protection architecture, including the circuit breaker body, the bottom of circuit breaker body is provided with removes the base, the below and the top of circuit breaker body front side are provided with operation panel and adapter respectively, the rear side of circuit breaker body is provided with grafting pipe and buffer assembly respectively, the both sides of circuit breaker body front side all are provided with vertical guided way, slidable mounting has dustproof subassembly on the guided way. The utility model discloses when using, subdue the unnecessary impact force of grafting pipe when pegging graft through the buffering subassembly, reduce the wearing and tearing of grafting pipe, when not using, utilize dustproof subassembly to cover adapter and operation panel, inside avoiding the dust access device in the air, influence the normal use of device.

Description

Medium-voltage solid-sealed vacuum circuit breaker with protection structure

Technical Field

The utility model belongs to the technical field of the vacuum circuit breaker technique and specifically relates to a well pressure solid seal formula vacuum circuit breaker with protection architecture is related to.

Background

The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.

Fixed vacuum circuit breaker of middling pressure is vacuum circuit breaker's a, traditional fixed vacuum circuit breaker of middling pressure is when using, directly pegs graft the cooperation through removing the base with the plug tube, owing to lack necessary buffer assembly, can make the plug tube damage in frequent use, and traditional fixed vacuum circuit breaker of middling pressure is when not using in addition, exposes in the air mostly, and inside dust in the air got into the device easily from the gap of the department of adapter and operation panel, the normal operating of influence device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a medium voltage seals formula vacuum circuit breaker admittedly to solve the fixed vacuum circuit breaker of traditional medium voltage who proposes in the above-mentioned background art and lack necessary buffering subassembly, can make the grafting pipe damage in frequent use, lack dustproof subassembly moreover, inside dust in the air enters into the device easily from the gap of the department of adapter and operation panel, influences the normal operating scheduling problem of device.

The technical scheme of the utility model is realized like this:

the utility model provides a middling pressure seals formula vacuum circuit breaker admittedly with protection architecture, includes the circuit breaker body, the bottom of circuit breaker body is provided with removes the base, the below and the top of circuit breaker body front side are provided with operation panel and adapter respectively, the rear side of circuit breaker body is provided with grafting pipe and buffer assembly respectively, the both sides of circuit breaker body front side all are provided with vertical guided way, slidable mounting has dustproof subassembly on the guided way.

Preferably, the buffering subassembly include with circuit breaker body fixed connection's outer tube, slidable mounting has interior pole in the outer tube, the mounting groove has been seted up to the outer end of interior pole, the notch of mounting groove is provided with the sealing ring, it is provided with the buffering post to run through in the sealing ring, the inner and the outer end of buffering post are provided with movable plate and buffer block respectively, the movable plate with be provided with the spring between the tank bottom of mounting groove.

Preferably, the outer pipe outside runs through and is seted up a plurality of equidistance locating hole of arranging, the inner of interior pole seted up with the fixed orifices that the locating hole corresponds each other, just the fixed orifices with spacing fixedly through fixing bolt between the locating hole.

Preferably, the dustproof assembly comprises two pairs of moving rings arranged on the guide rails, wherein the moving rings are close to one pair of the top ends and fixedly connected with the guide rails, mounting plates are arranged between the moving rings and between different guide rails, and transparent dustproof cloth is arranged between the two mounting plates.

Preferably, a clamping ring is arranged on the guide rail.

Preferably, the center and two sides of the front side of the movable base are respectively provided with a pushing piece and a movable handle.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses when using, subdue the unnecessary impact force of grafting pipe when pegging graft through the buffering subassembly, reduce the wearing and tearing of grafting pipe, when not using, utilize dustproof subassembly to cover adapter and operation panel, inside avoiding the dust access device in the air, influence the normal use of device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a schematic view of the internal structure of the buffer assembly of the present invention;

fig. 4 is a schematic structural view of the dustproof assembly of the present invention.

Wherein:

1. a circuit breaker body; 2. moving the base; 3. inserting a pipe; 4. an operation panel; 5. an adaptor head; 6. a pusher member; 7. a buffer assembly; 701. an outer tube; 702. positioning holes; 703. an inner rod; 704. mounting grooves; 705. a fixing hole; 706. a spring; 707. moving the plate; 708. a buffer column; 709. a seal ring; 710. a buffer block; 711. fixing the bolt; 8. a guide rail; 9. a dust-proof assembly; 901. a moving ring; 902. mounting a plate; 903. a dust cloth; 10. moving the handle; 11. and a clamping ring.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a medium voltage solid-sealed vacuum circuit breaker with a protection structure comprises a circuit breaker body 1, wherein a movable base 2 is arranged at the bottom of the circuit breaker body 1, an operating plate 4 and an adaptor 5 are respectively arranged below and above the front side of the circuit breaker body 1, an insertion pipe 3 and a buffer assembly 7 are respectively arranged at the rear side of the circuit breaker body 1, vertical guide rails 8 are respectively arranged on two sides of the front side of the circuit breaker body 1, and a dustproof assembly 9 is slidably arranged on each guide rail 8.

Specifically, the buffer assembly 7 includes an outer tube 701 fixedly connected to the circuit breaker body 1, an inner rod 703 is slidably mounted in the outer tube 701, an installation groove 704 is formed in the outer end of the inner rod 703, a sealing ring 709 is arranged in a notch of the installation groove 704, a buffer column 708 is arranged in the sealing ring 709 in a penetrating manner, a moving plate 707 and a buffer block 710 are respectively arranged at the inner end and the outer end of the buffer column 708, and a spring 706 is arranged between the moving plate 707 and the bottom of the installation groove 704; so set up, when the grafting of grafting pipe 3, buffer block 710 striking high-pressure tank inner wall, buffer block 710 receives the extrusion force and inwards extrudees spring 706, utilizes the unnecessary impact force when the elasticity of spring 706 subducts the grafting of grafting pipe 3, prolongs the life of grafting pipe 3.

Specifically, the outer side of the outer pipe 701 is provided with a plurality of positioning holes 702 which are arranged at equal intervals in a penetrating manner, the inner end of the inner rod 703 is provided with fixing holes 705 which correspond to the positioning holes 702, and the fixing holes 705 and the positioning holes 702 are limited and fixed through fixing bolts 711; with the arrangement, when the buffer assembly is used, the fixing holes 705 and the positioning holes 702 are fixed through the fixing bolts 711, the length of the inner rod 703 extending out of the outer pipe 701 is adjusted, and then the length of the buffer assembly 7 is adjusted.

Specifically, the dustproof assembly 9 includes two pairs of moving rings 901 mounted on the guide rails 8, wherein a pair of moving rings 901 near the top end is fixedly connected with the guide rails 8, a mounting plate 902 is disposed between the moving rings 901 located between different guide rails 8, and a transparent dustproof cloth 903 is disposed between the two mounting plates 902; so set up, when using, pull down dustproof cloth 903 through mounting panel 902, make it cover operation panel 4 and adapter 5, avoid the dust in the air to get into inside the device, influence the normal use of device.

Specifically, the guide rail 8 is provided with a clamping ring 11; the clamping ring 11 is arranged to facilitate the fixing and limiting of the dustproof assembly 9, and the dustproof assembly is prevented from slipping when not in use.

Specifically, the center and two sides of the front side of the mobile base 2 are respectively provided with a pushing piece 6 and a mobile handle 10; the movement of the mobile base 2 is facilitated by the provision of the pusher 6 and the moving handle 10.

The working principle is as follows:

when the device is not used, the dustproof cloth 903 is pulled down through the mounting plate 902 to cover the operating plate 4 and the adapter 5, so that dust in air is prevented from entering the device and affecting the normal use of the device.

The utility model discloses when using, subdue the unnecessary impact force of grafting pipe 3 when pegging graft through buffering subassembly 7, reduce the wearing and tearing of grafting pipe 3, when not using, utilize dustproof subassembly 9 to cover adapter 5 and operation panel 4, inside avoiding the dust access device in the air, influence the normal use of device.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a medium voltage seals formula vacuum circuit breaker admittedly with protection architecture which characterized in that: including circuit breaker body (1), the bottom of circuit breaker body (1) is provided with removes base (2), the below and the top of circuit breaker body (1) front side are provided with operation panel (4) and adapter (5) respectively, the rear side of circuit breaker body (1) is provided with grafting pipe (3) and buffer assembly (7) respectively, the both sides of circuit breaker body (1) front side all are provided with vertical guided way (8), slidable mounting has dustproof subassembly (9) on guided way (8).

2. The medium voltage solid sealed vacuum circuit breaker with protection structure as claimed in claim 1, wherein: buffer unit (7) include with circuit breaker body (1) fixed connection's outer tube (701), slidable mounting has interior pole (703) in outer tube (701), mounting groove (704) have been seted up to the outer end of interior pole (703), the notch of mounting groove (704) is provided with sealing ring (709), it is provided with buffering post (708) to run through in sealing ring (709), the inner and the outer end of buffering post (708) are provided with movable plate (707) and buffer block (710) respectively, movable plate (707) with be provided with spring (706) between the tank bottom of mounting groove (704).

3. The medium voltage solid sealed vacuum circuit breaker with protection structure as claimed in claim 2, characterized in that: the outer side of the outer pipe (701) penetrates through and is provided with a plurality of positioning holes (702) which are arranged at equal intervals, the inner end of the inner rod (703) is provided with fixing holes (705) which correspond to the positioning holes (702), and the fixing holes (705) and the positioning holes (702) are limited and fixed through fixing bolts (711).

4. The medium voltage solid sealed vacuum circuit breaker with protection structure as claimed in claim 1, wherein: the dustproof assembly (9) comprises two pairs of moving rings (901) which are installed on guide rails (8), wherein one pair of moving rings (901) close to the top end are fixedly connected with the guide rails (8), mounting plates (902) are arranged between the moving rings (901) which are located between different guide rails (8), and transparent dustproof cloth (903) is arranged between the two mounting plates (902).

5. The medium voltage solid sealed vacuum circuit breaker with protection structure as claimed in claim 1, wherein: and a clamping ring (11) is arranged on the guide rail (8).

6. The medium voltage solid sealed vacuum circuit breaker with protection structure as claimed in claim 1, wherein: the center and two sides of the front side of the movable base (2) are respectively provided with a pushing piece (6) and a movable handle (10).