Cover plate positioning assembly of vacuum arc-extinguishing chamber

Abstract

The utility model relates to the field of vacuum arc extinguish chambers, in particular to a cover plate positioning assembly of a vacuum arc extinguish chamber, which comprises a cover plate, a positioning assembly and a positioning assembly, the shaft rod is matched with the cover plate, the shaft rod is further matched with an external porcelain shell, the shaft rod comprises a first insertion part, a matching part and a connecting part, the first insertion part, the matching part and the connecting part are arranged in a step shape, and the two ends of the matching part are connected with the first insertion part and the connecting part respectively; and the positioning assembly is rotatably arranged on the insertion part of the shaft rod and is matched with the end part, facing the first insertion part, of the cover plate so as to limit the position of the cover plate. According to the utility model, the advantages of convenient position adjustment, simple structure and high applicability can be realized by effectively utilizing the self structural configuration.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vacuum interrupter, more particularly to a cover plate positioning assembly of vacuum interrupter. BACKGROUND

[0002] The cover plate positioning structure between the cover plate and the porcelain shell is shown in Figure 3 The specific form is a stepped shaft 300, and the side of the cover plate 400 away from the porcelain shell 500 directly abuts against the stepped surface of the shaft 300, thereby defining the position of the cover plate 400. However, the overall thickness of the structure of the cover plate is uncontrollable under the premise that the cover plate needs to be frequently modified. Therefore, there is a demand for providing a cover plate positioning assembly of vacuum interrupter which is convenient to adjust the position, simple in structure, and high in applicability. SUMMARY

[0003] The main purpose of the present application is to provide a cover plate positioning assembly of vacuum interrupter, which can effectively utilize its own structural configuration to realize the advantages of solid-liquid mixed garbage separation and environmental protection.

[0004] Another purpose of the present application is to provide a cover plate positioning assembly of vacuum interrupter, which comprises a cover plate, a shaft cooperating with the cover plate, and an external porcelain shell, wherein the shaft comprises a first insertion part, a cooperating part and a connecting part arranged in a stepped manner, and the two ends of the cooperating part are connected with the first insertion part and the connecting part, respectively; and a positioning assembly rotatably arranged on the insertion part of the shaft and cooperating with the end of the cover plate facing the first insertion part to define the position of the cover plate. The positioning assembly is manually adjustable in spacing to match cover plates of different thicknesses, thereby improving the use range of the product and solving the problem of frequent modification of the cover plate.

[0005] Another purpose of the present application is to provide a cover plate positioning assembly of vacuum interrupter, which is simple in structure and convenient to operate, does not involve complex manufacturing processes and expensive materials, has high economic efficiency, and is easy to popularize and use.

[0006] In order to achieve the above-mentioned at least one purpose of the application, the present application provides a cover plate positioning assembly of vacuum interrupter, wherein the cover plate positioning assembly of vacuum interrupter comprises:

[0007] a cover plate;

[0008] a shaft rod matched with the cover plate and matched with an outer ceramic shell, and the shaft rod comprises a first insertion part, a matched part and a connecting part, the first insertion part, the matched part and the connecting part are arranged in steps, and two ends of the matched part are connected with the first insertion part and the connecting part respectively; and

[0009] a positioning assembly rotatably arranged on the insertion part of the shaft rod and matched with an end of the cover plate towards the first insertion part to define the position of the cover plate.

[0010] In one or more embodiments of the present application, one side of the cover plate has an opening and a cavity, the opening is communicated with the cavity, and an end of the cover plate provided with the opening is abutted against an end of the outer ceramic shell.

[0011] In one or more embodiments of the present application, the center of the cover plate further has an insertion hole, the first insertion part passes through the insertion hole, and the insertion hole is communicated with the cavity, in addition, one side of the cover plate away from the opening further has a matched hole, the matched hole is communicated with the insertion hole, and the size of the insertion hole is smaller than the size of the matched hole.

[0012] In one or more embodiments of the present application, the positioning assembly comprises a pressing block, the pressing block has a pressing part and a second insertion part, the pressing part is connected with the second insertion part, and the cross-sectional size of the pressing part is larger than the cross-sectional size of the second insertion part.

[0013] In one or more embodiments of the present application, the positioning assembly further comprises a rotating block, the rotating block has an abutting part and a third insertion part, the abutting part is connected with the third insertion part, and the cross-sectional size of the abutting part is larger than the cross-sectional size of the third insertion part, in addition, one end of the abutting part away from the third insertion part further has a second insertion hole, the second insertion part is arranged in the second insertion hole and is spaced apart from the bottom wall forming the second insertion hole by a predetermined distance, wherein the end of the abutting part away from the third insertion part is abutted against the matched hole.

[0014] In one or more embodiments of the present application, one side of the matched part close to the third insertion part further has an annular matched groove, and the bottom wall forming the second insertion hole further has a connecting hole, the connecting hole penetrates through the rotating block and is threadedly matched with the first insertion part.

[0015] In one or more embodiments of the present application, the positioning assembly further comprises a resilient member, the resilient member is arranged in the second insertion hole, one end of the resilient member is in contact with the bottom wall forming the second insertion hole, and the other end is matched with the end of the second insertion part away from the pressing part.

[0016] In one or more embodiments of the present application, the bottom of the second insertion hole has a first annular mounting groove, and the second insertion portion has a second annular mounting groove at an end thereof away from the extruding portion, and the two ends of the elastic member are respectively matched with the first annular mounting groove and the second annular mounting groove. BRIEF DESCRIPTION OF DRAWINGS

[0017] These and / or other aspects and advantages of the present application will become more apparent and more readily appreciated from the following detailed description of the embodiments of the present application, taken in conjunction with the accompanying drawings in which:

[0018] Figure 1 FIG. 1 illustrates a structural schematic diagram of a cover plate positioning assembly of a vacuum interrupter.

[0019] Figure 2 FIG. 2 illustrates a structural schematic diagram of a cover plate positioning assembly of a vacuum interrupter. Figure 1 FIG. 3 illustrates an enlarged view of area A in FIG. 2.

[0020] Figure 3 FIG. 4 illustrates a structural schematic diagram of a prior cover plate positioning structure. DETAILED DESCRIPTION

[0021] The terms and words used in the following description and claims are not limited to the bibliographical meanings, but are merely used to enable a clear and consistent understanding of the present application. Accordingly, it should be apparent to those skilled in the art that the following description of various embodiments of the present application is provided for illustration purpose only and not for the purpose of limiting the present application as defined by the appended claims and their equivalents.

[0022] It is understood that the term "one" should be construed to "at least one" or "one or more" unless explicitly indicated to the contrary, that is, in one embodiment, a number of an element can be one, and in another embodiment, the number of the element can be more than one. The term "number" and "multiple" should be construed as one or more unless explicitly indicated to the contrary.

[0023] Although ordinal numbers such as "first," "second," etc., will be used to describe various components, the components are not limited by the ordinal numbers. The ordinal numbers are used merely to distinguish a component from another. For example, a first component can be referred to as a second component, and likewise, a second component can also be referred to as a first component without departing from the teaching of the present inventive concept. The term "and / or" used herein includes any and all combinations of one or more associated listed items.

[0024] The terminology used herein is for the purpose of describing various embodiments only and is not intended to be limiting. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "has," when used in this specification, specify the presence of stated features, numbers, steps, operations, components, elements, or a combination thereof, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, elements, or a combination thereof.

[0025] Reference Figures 1 to 2 , according to a preferable embodiment of the vacuum arc-extinguishing chamber, it should be noted that the structure of the cover plate positioning assembly of the vacuum arc-extinguishing chamber is as shown in Figure 1 , specifically, the cover plate 10 is a static cover plate structure, and the positioning assembly is used to define the position of the static cover plate. Wherein those skilled in the art should understand that the cover plate positioning assembly of the vacuum arc-extinguishing chamber comprises a cover plate 10 and a shaft 20, the shaft 20 cooperates with the cover plate 10, and the shaft 20 also cooperates with the external porcelain shell 100, specifically, the cover plate 10 is a static cover plate, and the shaft 20 is a static shaft, and one end of the shaft 20 is located in the external porcelain shell 100, and the other end is placed outside.

[0026] Specifically, the structure of the shaft 20 is as shown in Figure 1 , which comprises a first insertion part 21, a matching part 22 and a connecting part 23, the first insertion part 21, the matching part 22 and the connecting part 23 are arranged in steps, and the two ends of the matching part 22 are connected with the first insertion part 21 and the connecting part 23 respectively, that is, the cross-sectional size of the first insertion part 21 is smaller than that of the matching part 22, and the cross-sectional size of the matching part 22 is smaller than that of the connecting part 23.

[0027] In addition, one side of the cover plate 10 has an opening and a cavity 101, the opening communicates with the cavity 101, and the opening faces the external porcelain shell 100 to communicate with the inside of the external porcelain shell 100, and the end of the cover plate 10 provided with the opening abuts against the end of the external porcelain shell 100. Wherein the center of the cover plate 10 also has a first insertion hole 102, the first insertion part 21 passes through the first insertion hole 102, and the first insertion hole 102 communicates with the cavity 101, in addition, the side of the cover plate 10 away from the opening also has a matching hole 103, the matching hole 103 communicates with the first insertion hole 102, and the size of the first insertion hole 102 is smaller than that of the matching hole 103.

[0028] Specifically, the cover positioning assembly 30 of the vacuum interrupter further comprises a positioning assembly 30 arranged on the first insertion part 21 of the shaft 20 and capable of contacting the side of the cover 10 away from the opening to define the position of the cover 10. In addition, it should be noted that the positioning assembly 30 is manually adjustable in spacing to match the cover 10 of different thicknesses, thereby improving the application range of the product.

[0029] Specifically, the positioning assembly 30 comprises an extrusion block 31 having an extrusion part 311 and a second insertion part 312, the extrusion part 311 is connected with the second insertion part 312, and the cross-sectional size of the extrusion part 311 is larger than that of the second insertion part 312, that is, the extrusion part 311 has a reverse convex structure as shown in the drawings. Figure 2

[0030] In addition, it should be noted that the positioning assembly 30 further comprises a rotating block 32 having an abutting part 321 and a third insertion part 322, the abutting part 321 is connected with the third insertion part 322, and the cross-sectional size of the abutting part 321 is larger than that of the third insertion part 322. It is worth mentioning that the end of the abutting part 321 away from the third insertion part 322 further has a second insertion hole 3201, the second insertion part 312 is arranged in the second insertion hole 3201 and spaced apart from the bottom wall forming the second insertion hole 3201 by a predetermined distance to reserve space for subsequent installation of other components, and the end of the third insertion part 322 away from the abutting part 321 is capable of being connected with the matching part 22 of the shaft 20. The end of the abutting part 321 away from the third insertion part 322 is arranged to abut on the matching hole 103 to extrude the end of the cover 10 away from the opening.

[0031] Specifically, the side of the matching part 22 close to the third insertion part 322 further has a ring-shaped matching groove 2201, and the bottom wall forming the second insertion hole 3201 further has a connecting hole 3202 penetrating through the rotating block 32 and threadedly matched with the first insertion part 21, that is, the user can rotate the rotating block 32 to make the rotating block 32 move up and down along the first insertion part 21 by a predetermined distance, and the arrangement of the ring-shaped matching groove 2201 can improve the movement range of the rotating block 32, that is, the end of the third insertion part 322 away from the abutting part 321 can be inserted into the ring-shaped matching groove 2201.

[0032] ​Further, the positioning assembly 30 further comprises an elastic member 33, which is arranged in the second insertion hole 3201, and one end of the elastic member 33 is in contact with the bottom wall forming the second insertion hole 3201, and the other end is matched with the end of the second insertion part 312 away from the extrusion part 311, and in order to avoid the elastic member 33 from being deviated during extrusion, the bottom of the second insertion hole 3201 is provided with a first annular mounting groove (not shown in the figure), and the end of the second insertion part 312 away from the extrusion part 311 is also provided with a second annular mounting groove (not shown in the figure), and the two ends of the elastic member 33 are matched with the first annular mounting groove and the second annular mounting groove respectively to limit the position of the elastic member 33, and the elastic member 33 is implemented as a spring.

[0033] Wherein, those skilled in the art should understand that the sealing ring 200 is arranged at the end of the outer porcelain shell 100 to limit the position of the cover plate 10, and the limiting strength of the position of the cover plate 10 is improved through cooperation with the positioning assembly 30, and as shown in the figure Figure 1 The sealing mode of the cover plate 10 arranged at the open end and matched with the outer porcelain shell 100 is welded and sealed by a vacuum brazing furnace, and simultaneously plays a role of limiting the position of the cover plate 10

[0034] In summary, the cover plate positioning assembly of the vacuum arc-extinguishing chamber based on the embodiment of the present application is illustrated, which provides the cover plate positioning assembly of the vacuum arc-extinguishing chamber with the advantages of convenient position adjustment, simple structure, high applicability and the like.

[0035] It is worth mentioning that in the embodiment of the present application, the cover plate positioning assembly of the vacuum arc-extinguishing chamber has a simple structure, does not involve complex manufacturing processes and expensive materials, and has high economy. At the same time, for the manufacturers, the cover plate positioning assembly of the vacuum arc-extinguishing chamber provided by the present application is easy to produce and has low cost, which is more conducive to controlling the production cost, and is further conducive to product promotion and use.

[0036] Those skilled in the art should understand that the embodiments of the utility model shown in the above description and the drawings are only as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the implementation of the utility model can be any deformation or modification without departing from the principle.

Claims

1. A cover plate positioning assembly for a vacuum interrupter, characterized in that, The cover positioning assembly of the vacuum interrupter comprises: a cover plate; a shaft rod matched with the cover plate, and matched with an outer porcelain shell, and comprising a first insertion part, a matched part and a connecting part, which are arranged in steps, and the two ends of the matched part are connected with the first insertion part and the connecting part respectively; and a positioning assembly rotatably arranged on the insertion part of the shaft rod, and matched with the end of the cover plate towards the first insertion part to define the position of the cover plate.

2. The cover positioning assembly of the vacuum interrupter according to claim 1, wherein one side of the cover plate has an opening and a cavity, the opening is communicated with the cavity, and the end of the cover plate provided with the opening is abutted against the end of the outer porcelain shell.

3. The cover positioning assembly of the vacuum interrupter according to claim 2, wherein the center of the cover plate further has an insertion hole, the first insertion part passes through the insertion hole, and the insertion hole is communicated with the cavity, and in addition, the side of the cover plate away from the opening further has a matched hole, the matched hole is communicated with the insertion hole, and the size of the insertion hole is smaller than the size of the matched hole.

4. The cover positioning assembly of the vacuum interrupter according to claim 3, wherein the positioning assembly comprises a pressing block, the pressing block has a pressing part and a second insertion part, the pressing part is connected with the second insertion part, and the cross-sectional size of the pressing part is larger than the cross-sectional size of the second insertion part.

5. The cover positioning assembly of the vacuum interrupter according to claim 4, wherein the positioning assembly further comprises a rotating block, the rotating block has an abutting part and a third insertion part, the abutting part is connected with the third insertion part, and the cross-sectional size of the abutting part is larger than the cross-sectional size of the third insertion part, and in addition, the end of the abutting part away from the third insertion part further has a second insertion hole, the second insertion part is arranged in the second insertion hole and is spaced apart from the bottom wall forming the second insertion hole by a predetermined distance, and the end of the abutting part away from the third insertion part is abutted against the matched hole.

6. The cover positioning assembly of the vacuum interrupter according to claim 5, wherein the side of the matched part close to the third insertion part further has an annular matched groove, and the bottom wall forming the second insertion hole further has a connecting hole, the connecting hole penetrates through the rotating block and is threadedly matched with the first insertion part.

7. The cover positioning assembly of the vacuum interrupter according to claim 6, wherein the positioning assembly further comprises an elastic member, the elastic member is arranged in the second insertion hole, and one end of the elastic member is in contact with the bottom wall forming the second insertion hole, and the other end is matched with the end of the second insertion part away from the pressing part.

8. The cap positioning assembly of the vacuum interrupter according to claim 7, wherein the bottom of the second insertion hole has a first annular mounting groove, and the second insertion portion has a second annular mounting groove at an end opposite to the extruding portion, and the two ends of the elastic member are respectively matched with the first and second annular mounting grooves.

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