CN220821391U

CN220821391U - Static contact sealing device

Info

Publication number: CN220821391U
Application number: CN202322495519.9U
Authority: CN
Inventors: 石斌斌; 林和忠; 刘东鑫
Original assignee: Wuhu Berem Electric Co ltd
Current assignee: Wuhu Berem Electric Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-19
Anticipated expiration: 2033-09-14

Abstract

The utility model is suitable for the technical field of switch socket production, and provides a static contact sealing device which comprises an outer shell, wherein two sealing covers are symmetrically arranged in the outer shell, and limiting grooves are formed in side walls, close to the end parts of the two sealing covers, of the outer shell. According to the utility model, the limit groove, the limit post, the seal cover, the first connecting piece, the first supporting rod, the second supporting rod, the third supporting rod, the second connecting piece, the first spring and the second spring are arranged on the outer surface of the limit post in a sleeved mode, so that limit of the seal cover is achieved, the first supporting rod and the third supporting rod are sequentially connected with the seal cover and the outer shell through the first connecting piece and the second connecting piece, the first spring and the second spring are sequentially arranged in the second supporting rod and the third supporting rod, connection of the first supporting rod, the second supporting rod and the third supporting rod is achieved, torsion deformation is not generated between the first spring and the second spring through expansion deformation, and accordingly effectiveness of resetting and sealing of the seal cover is improved.

Description

Static contact sealing device

Technical Field

The utility model belongs to the technical field of switch socket production, and particularly relates to a static contact sealing device.

Background

The isolating switch has an insulation distance and an obvious disconnection mark which meet the specified requirements between the fixed contact and the movable contact when the isolating switch is at the opening position; and when the switch is in the switch-on position, the switch can bear the current under the normal line condition and the current under the abnormal condition within the set time. The isolating switch is generally referred to as a high-voltage isolating switch, namely an isolating switch with rated voltage of 1kV or above, is generally referred to as an isolating switch for short, is the most used electric appliance in high-voltage switching appliances, and is widely used in alternating current/direct current transmission engineering. The static contact is usually installed by adopting a sealing structure, so that the long-term reliable operation of the isolating switch is ensured.

The existing static contact sealing device generally adopts a cylindrical spiral spring structure as a resetting device, one end of the cylindrical spiral spring is connected with a sealing cover to support the sealing cover, and the position of the sealing cover is adjusted through torsional deformation of the cylindrical spiral spring so as to leak the static contact.

In the use process of the conventional static contact sealing device, the cylindrical bolt spring is required to be twisted and deformed, and the spring is possibly offset in the twisting process, so that the resetting of the sealing cover is influenced, and the use effectiveness of the sealing device is reduced.

Disclosure of utility model

The utility model provides a static contact sealing device, which aims to solve the problems that in the use process of the existing static contact sealing device, a cylindrical bolt spring is required to carry out torsion deformation, and the spring is possibly deviated in the torsion process, so that the reset of a sealing cover is affected, and the use effectiveness of the sealing device is reduced.

The utility model discloses a static contact sealing device, which comprises an outer shell, wherein two sealing covers are symmetrically arranged in the outer shell, limiting grooves are formed in side walls, close to the ends of the two sealing covers, of the outer shell, limiting columns are fixedly connected in the limiting grooves, the sealing covers sequentially rotate on the outer surfaces of the limiting columns, connecting pieces I are fixedly connected at the bottom end positions of the sealing covers, supporting rods I are rotatably connected at the bottom ends of the connecting pieces I, supporting rods II are sleeved at the bottom ends of the supporting rods I, supporting rods III are sleeved at the bottom ends of the supporting rods II, connecting pieces II are fixedly connected to the side walls, close to the two supporting rods III, of the outer shell, the bottom ends of the supporting rods III are rotatably connected to the side walls of the connecting pieces II, springs I are arranged in the supporting rods II, and springs II are arranged in the supporting rods III.

Preferably, the inside bottom fixedly connected with static contact subassembly of shell body, the bottom fixedly connected with terminal of static contact subassembly constitutes integrated structure.

Preferably, the connecting groove is formed in the position, close to the bottom end of the binding post, of the outer shell, and the binding post is spliced in the connecting groove, so that the power transmission line is conveniently connected.

Preferably, two installation blocks are fixedly connected to the outer side wall of the outer shell, are symmetrically distributed and are provided with bolt holes on the surface, and the outer shell is convenient to install.

Preferably, the outer surfaces of the two sealing covers are respectively sleeved with a protection pad, and the protection pads are made of cross-linked polyethylene, so that the abutting stability and the insulation performance of the two sealing covers are improved.

Preferably, the bottom ends of the first support rod and the second support rod are respectively in convex shape and are sequentially matched with the inner dimensions of the second support rod and the third support rod, so that the stability of the connection of the first support rod and the second support rod is improved.

Preferably, the top of spring one is fixed in the bottom of bracing piece one, the bottom mounting of spring one is at the inner bottom of bracing piece two, the bottom of bracing piece two is all fixed at the bottom of bracing piece two to the top of spring two, the bottom of spring two is all fixed at the inner bottom of bracing piece three, has improved the stability of spring one and spring two installation.

Compared with the prior art, the embodiment of the application has the following main beneficial effects:

The first sealing cover and the second sealing cover are sequentially connected with the sealing cover and the outer shell through the first connecting piece and the second connecting piece, the first spring and the second spring are sequentially arranged in the second supporting rod and the third supporting rod, so that the connection of the first supporting rod, the second supporting rod and the third supporting rod is realized, the first spring and the second spring do not generate torsional deformation through telescopic deformation, and the effectiveness of resetting and sealing of the sealing cover is improved; secondly, through being provided with the protection pad, the protection pad is crosslinked polyethylene material, and the protection pad has good flexibility and insulating properties, and the surface of sealed lid is established to the protection pad cover, can avoid two sealed lid butt together to be difficult to rotate, has improved sealing and insulating nature when sealed lid seals simultaneously.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the present utility model;

FIG. 2 is a schematic top sectional view of the present utility model;

Fig. 3 is a schematic view of a three-section structure of the support bar of the present utility model.

In the figure: 1. an outer housing; 2. a stationary contact assembly; 3. a connecting groove; 4. binding posts; 5. a mounting block; 6. a limit groove; 7. a limit column; 8. sealing cover; 9. a protective pad; 10. a first connecting piece; 11. a first support rod; 12. a second support rod; 13. a third support rod; 14. a second connecting piece; 15. a first spring; 16. and a second spring.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1-3, embodiments of the present utility model are provided: the utility model provides a static contact sealing device, including shell body 1, shell body 1 is silicone rubber sheet material has good insulating properties and is used for playing sealed effect, fixedly connected with two installation pieces 5 on the lateral wall of shell body 1, two installation pieces 5 are symmetric distribution and the bolt hole has all been seted up on the surface, make things convenient for the installation of shell body 1, the inside symmetry of shell body 1 is provided with two sealed covers 8, limit groove 6 has all been seted up on the lateral wall that shell body 1 is close to two sealed covers 8 tip, two sealed covers 8 are the silicone rubber sheet material and are protruding font rotation connection in the inside of limit groove 6, the inside of limit groove 6 all fixedly connected with spacing post 7, sealed cover 8 rotates in proper order at the surface of spacing post 7, thereby realized spacing to two sealed covers 8, the equal fixedly connected with connecting piece 10 in bottom position department of sealed cover 8, the equal rotation of connecting piece 10 has bracing piece one 11, the bottom of bracing piece one 11 all overlaps and is equipped with bracing piece two 12, the bottom of two 12 all overlaps and is equipped with bracing piece three 13, bracing piece one 11 and bracing piece two ends 12 are protruding form the bracing piece 12 and are the inside of two and three-dimensional in proper order with bracing piece 12 and three-phase spring 13 are connected to inside of two 13, two inside of connecting piece 15 has been realized, two inside of connecting piece 15 is connected to two inside of 13, two inside pieces 15 is connected to one inside of 13, and 15 has been connected to two inside of 13, and 15 is fixed inside of connecting piece 15 has been connected to inside 15, the top of the second spring 16 is fixed at the bottom of the second support rod 12, the bottom of the second spring 16 is fixed at the inner bottom of the third support rod 13, the installation stability of the first spring 15 and the second spring 16 is improved, the first spring 15 and the second spring 16 are sequentially sleeved inside the second support rod 12 and the third support rod 13, and torsion deformation is not generated through expansion deformation, so that the effectiveness of resetting and sealing of the sealing cover 8 is improved.

The inside bottom fixedly connected with static contact subassembly 2 of shell body 1 to realized the seal to static contact subassembly 2, the bottom fixedly connected with terminal 4 of static contact subassembly 2 constitutes integrated into one piece structure, connecting groove 3 has been seted up to the bottom position department that shell body 1 is close to terminal 4, and terminal 4 is pegged graft in the inside of connecting groove 3, conveniently connects the power transmission line.

The outer surfaces of the two sealing covers 8 are sleeved with the protection pad 9, the protection pad 9 is made of cross-linked polyethylene, the protection pad 9 has good insulativity and flexibility, the two sealing covers 8 can be prevented from being abutted together to be difficult to rotate, and meanwhile, the sealing performance and the insulativity of the sealing covers 8 in sealing are improved.

Working principle: when the static contact sealing device is used, an operator firstly inserts the static contact assembly 2 into the outer shell 1, then uses bolts to mount the static contact assembly 2 into the inner bottom end of the outer shell 1, the binding post 4 is inserted into the connecting groove 3, the inner binding post 4 can be connected with an electric wire to realize electric power transmission, then the two mounting blocks 5 are fixed into the switch box through the bolts, the switch box is in the prior art, the details are omitted, when the moving contact assembly is inserted into the outer shell 1, the two sealing covers 8 can be pushed to rotate downwards, the first supporting rod 11 compresses the first spring 15, the second supporting rod 12 compresses the second spring 16, thereby facilitating the moving contact to be inserted into the outer shell 1 and contact with the top end of the static contact assembly 2 to realize electric power circulation, the moving contact is in the prior art, the details are omitted, when the switch is closed, the moving contact assembly is drawn out of the outer shell 1, and therefore the limit of the two sealing covers 8 is relieved, the first spring 15 and the second spring 16 can sequentially support the first supporting rod 11 and the second supporting rod 12 under the action of own elastic force, so that the two sealing covers 8 support the first supporting rod and the second sealing covers 8, the second supporting rod 12 are deformed, the first elastic spring and the second elastic spring 16 are sequentially, the second elastic deformation of the second elastic sealing covers are arranged, the second elastic deformation of the second elastic sealing covers are sequentially, the second elastic deformation of the second elastic sealing covers are arranged, the second elastic deformation is sealed and the elastic deformation is deformed, and the elastic deformation is 12, and the elastic deformation can be the elastic deformation, and the elastic deformation can be 12, and the elastic deformation.

And the protective pad 9 is made of crosslinked polyethylene, the protective pad 9 has good flexibility and insulating property, the protective pad 9 is sleeved on the outer surface of the sealing cover 8, the two sealing covers 8 can be prevented from being abutted together to be difficult to rotate, and meanwhile, the sealing property and the insulating property of the sealing cover 8 during sealing are improved.

It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present utility model is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present utility model. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present utility model.

In the several embodiments provided by the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and such partitioning of the above-described elements may be implemented in other manners, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or communication connection shown or discussed as being between each other may be an indirect coupling or communication connection between devices or elements via some interfaces, which may be in the form of telecommunications or otherwise.

The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.

Claims

1. The static contact sealing device is characterized by comprising an outer shell (1): the inside symmetry of shell body (1) is provided with two sealed covers (8), spacing groove (6) have all been seted up on the lateral wall that shell body (1) is close to two sealed covers (8) tip, the inside of spacing groove (6) is equal fixedly connected with spacing post (7), sealed cover (8) rotate in proper order on the surface of spacing post (7), the equal fixedly connected with connecting piece (10) in bottom position department of sealed cover (8), the equal rotation in bottom of connecting piece (10) is connected with bracing piece one (11), the bottom of bracing piece one (11) all overlaps and is equipped with bracing piece two (12), the bottom of bracing piece two (12) all overlaps and is equipped with bracing piece three (13), equal fixedly connected with connecting piece two (14) on the lateral wall that shell body (1) is close to two bracing pieces three (13), the bottom of bracing piece three (13) is equal to be rotated and is connected on the lateral wall of connecting piece two (14), the inside of bracing piece two (12) is provided with spring one (15), the inside of bracing piece three (13) is provided with spring two (16).

2. A stationary contact sealing arrangement as claimed in claim 1, wherein: the novel high-voltage power supply is characterized in that the fixed contact assembly (2) is fixedly connected to the bottom end of the inner part of the outer shell (1), and the binding post (4) is fixedly connected to the bottom end of the fixed contact assembly (2) to form an integrated structure.

3. A stationary contact sealing arrangement as claimed in claim 2, characterized in that: the connecting groove (3) is formed in the position, close to the bottom end of the binding post (4), of the outer shell (1), and the binding post (4) is inserted into the connecting groove (3).

4. A stationary contact sealing arrangement according to claim 3, characterized in that: two installation blocks (5) are fixedly connected to the outer side wall of the outer shell (1), and the two installation blocks (5) are symmetrically distributed and are provided with bolt holes on the surface.

5. A stationary contact sealing arrangement as claimed in claim 1, wherein: the outer surfaces of the two sealing covers (8) are respectively sleeved with a protection pad (9), and the protection pads (9) are made of cross-linked polyethylene.

6. A stationary contact sealing arrangement as claimed in claim 1, wherein: the bottoms of the first support rod (11) and the second support rod (12) are respectively in a convex shape and are sequentially matched with the inner dimensions of the second support rod (12) and the third support rod (13).

7. A stationary contact sealing arrangement as claimed in claim 2, characterized in that: the top of the first spring (15) is fixed at the bottom of the first supporting rod (11), the bottom of the first spring (15) is fixed at the inner bottom of the second supporting rod (12), the top of the second spring (16) is fixed at the bottom of the second supporting rod (12), and the bottom of the second spring (16) is fixed at the inner bottom of the third supporting rod (13).