CN220753305U - Anti-torsion device of vacuum arc-extinguishing chamber and vacuum arc-extinguishing chamber - Google Patents
Anti-torsion device of vacuum arc-extinguishing chamber and vacuum arc-extinguishing chamber Download PDFInfo
- Publication number
- CN220753305U CN220753305U CN202322482270.8U CN202322482270U CN220753305U CN 220753305 U CN220753305 U CN 220753305U CN 202322482270 U CN202322482270 U CN 202322482270U CN 220753305 U CN220753305 U CN 220753305U
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- Prior art keywords
- guide
- wedge
- movable
- extinguishing chamber
- guide sleeve
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- 230000002265 prevention Effects 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000004880 explosion Methods 0.000 description 3
- 206010024453 Ligament sprain Diseases 0.000 description 2
- 208000010040 Sprains and Strains Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a torsion preventing device of a vacuum arc-extinguishing chamber and the vacuum arc-extinguishing chamber, wherein a movable cover plate is connected with a guide and fixing ring; the guide sleeve is arranged in the guide fixing ring; the guide sleeve is sleeved outside the movable guide rod; the guide sleeve comprises a cylinder and an outer ring body, the cylinder is provided with a through hole and sleeved outside the movable guide rod, the outer ring body is connected to the bottom of the outer side of the cylinder, a tooth slot is formed in the bottom of the outer ring body, and the tooth slot is matched with the tooth; the inner side of the through hole of the column body of the guide sleeve is connected with a wedge key, the outer wall of the side face of the movable guide rod is provided with a wedge key groove, and the wedge key is matched with the wedge key groove. According to the anti-torsion device for the vacuum arc-extinguishing chamber, the toothed guide fixing ring is fixed on the movable cover plate of the arc-extinguishing chamber, the guide sleeve with the tooth slot is fixed, the wedge-shaped key is designed in the inner hole of the guide sleeve, and the wedge-shaped key slot on the movable guide rod is clamped, so that the movable guide rod does not rotate relative to the arc-extinguishing chamber during assembly, and the strain caused by the rotation of the movable guide rod to drive the corrugated pipe is avoided.
Description
Technical Field
The utility model belongs to the technical field of vacuum arc-extinguishing chambers of electric vacuum devices, and particularly relates to a torsion-preventing device of a vacuum arc-extinguishing chamber and the vacuum arc-extinguishing chamber.
Background
The explosion chamber is the core component of circuit breaker, and if it is not standard operation in circuit breaker assembly and solid sealed utmost point post assembly process, will be easy with the elastic element bellows sprain in the explosion chamber, cause explosion chamber gas leakage inefficacy.
The patent application with the patent publication number of CN203674068U and the name of a corrugated pipe double-torsion-prevention vacuum arc-extinguishing chamber comprises a movable conducting rod, a guide sleeve, a fixed ring, a movable cover plate, a corrugated pipe, a connecting ring, a key slot, a chute and a slot for fixing an installation clamp. The outer side of the upper part of the movable conducting rod is provided with a groove for fixing the mounting clamp, and the clamp is fixed in the groove on the movable conducting rod in the assembling process of the arc extinguishing chamber, so that the corrugated pipe is prevented from being sprained in the assembling process; the guide sleeve is provided with a chute, and the movable cover plate is provided with a fixed ring which is clamped with the chute on the guide sleeve, so that the guide sleeve is prevented from twisting relative to the movable cover plate in the assembly process, and the corrugated pipe is prevented from being sprained; the lower part of the guide sleeve is provided with a convex key, the middle part of the movable conductive rod is provided with a key slot matched with the convex key on the guide sleeve, and the guide sleeve is prevented from twisting relative to the movable conductive rod in the assembly process, so that the corrugated pipe is prevented from being sprained. But the bevel groove is formed at the outer circle chamfer of the guide sleeve, then the edge of the guide and fixing ring is knocked into the bevel groove to realize torsion prevention, the torsion prevention effect is poor, and the problem of torsion of the corrugated pipe still exists due to improper operation.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model aims to provide the anti-torsion device for the vacuum arc-extinguishing chamber and the vacuum arc-extinguishing chamber, which can clamp the wedge-shaped key slot on the movable guide rod, so that the movable guide rod does not rotate relative to the arc-extinguishing chamber during assembly, and the strain caused by the rotation of the movable guide rod to drive the corrugated pipe is avoided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a vacuum interrupter anti-twist device, comprising:
the movable cover plate is connected with a guide and fixing ring;
the guide sleeve is arranged in the guide fixing ring;
the guide sleeve is sleeved outside the movable guide rod;
the guide sleeve comprises a column body and an outer ring body, wherein the column body is provided with a through hole and sleeved outside the movable guide rod, the outer ring body is connected to the bottom of the outer side of the column body, a tooth slot is formed in the bottom of the outer ring body, and the tooth slot is matched with the tooth; the inner side of the through hole of the cylinder of the guide sleeve is connected with a wedge key, a wedge key slot is formed in the outer wall of the side face of the movable guide rod, and the wedge key is matched with the wedge key slot.
Optionally, the guide and fixing ring is fixed on the movable cover plate in a brazing manner.
Optionally, the guide ring comprises a ring body and a bottom plate, the bottom plate is connected with the ring body, and the guide ring is connected with the movable cover plate through the bottom plate.
Optionally, the number of the teeth is greater than one, and a plurality of the teeth are circumferentially equidistant along the through hole of the bottom plate.
Optionally, the number of the teeth and the number of the tooth grooves are four, and the teeth correspond to the positions of the tooth grooves.
Optionally, the bottom of the outer ring body of the guide sleeve and the bottom of the column body are in the same plane.
Optionally, the wedge-shaped key is trapezoidal, and the short bottom edge of the wedge-shaped key is connected with the hole wall of the inner hole of the guide sleeve.
Optionally, the wedge-shaped key groove is formed along the axial direction of the movable guide rod.
Optionally, the movable cover plate is installed on the top of the vacuum arc-extinguishing chamber.
A vacuum arc-extinguishing chamber comprises the anti-torsion device of the vacuum arc-extinguishing chamber.
Compared with the prior art, the utility model has the following beneficial effects:
according to the anti-torsion device for the vacuum arc-extinguishing chamber, the toothed guide fixing ring is fixed on the movable cover plate of the arc-extinguishing chamber, the guide sleeve with the tooth slot is fixed, the wedge-shaped key is designed in the inner hole of the guide sleeve, and the wedge-shaped key slot on the movable guide rod is clamped, so that the movable guide rod does not rotate relative to the arc-extinguishing chamber during assembly, and the strain caused by the rotation of the movable guide rod to drive the corrugated pipe is avoided. The utility model is not only suitable for mounting the breaker with the insulating cylinder structure, but also can be used for fixedly sealing the pole structure.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. In the drawings:
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic view of a guide sleeve according to the present utility model;
wherein, 1-vacuum arc-extinguishing chamber, 2-movable cover plate, 3-guide ring, 4-tooth, 5-uide bushing, 6-tooth's socket, 7-wedge key, 8-movable guide arm, 9-wedge key groove, 10-bellows.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, shall fall within the scope of the utility model.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the anti-torsion device of the vacuum arc-extinguishing chamber comprises a movable cover plate 2, a guide fixing ring 3, teeth 4, a guide sleeve 5, tooth grooves 6, wedge-shaped keys 7, a movable guide rod 8 and wedge-shaped key grooves 9, wherein the movable cover plate 2 is a circular cover plate, a circular through hole is formed in the center of the movable cover plate 2, the guide fixing ring 3 is fixedly connected to the movable cover plate, the guide fixing ring 3 comprises a ring body and a bottom plate, the ring body is a hollow cylinder without a bottom and a top, the bottom plate is connected with the ring body, and optionally, the bottom plate and the ring body are integrally formed.
The ring body of the guide and fixing ring 3 is vertical to the movable cover plate 2. The center of the bottom plate of the guide and fixing ring 3 is provided with a through hole, the bottom plate of the guide and fixing ring 3 is provided with four teeth 4, and four teeth 4 are circumferentially equidistant along the through hole of the bottom plate. The teeth 4 are perpendicular to the base plate.
Specifically, the diameter of the through hole of the bottom plate of the guide and fixing ring 3 is not smaller than the diameter of the through hole of the movable cover plate 2.
The guide sleeve 5 is a hollow cylinder with a through hole, the guide sleeve 5 comprises a cylinder body and an outer ring body, the outer ring body is vertically connected to the outer side face of the cylinder body, and the outer ring body is arranged along the circumferential direction of the cylinder body.
The bottom of the outer ring body of the guide sleeve 5 and the bottom of the cylinder are in the same plane, four tooth grooves 6 are formed in the bottom of the outer ring body, and the tooth grooves 6 correspond to the teeth 4. The guide sleeve 5 covers the top of the movable cover plate 2 and is connected with the teeth of the guide and fixing ring 3 through tooth grooves 6. The length of the tooth groove 6 along the outer ring body in the circumferential direction is greater than or equal to the width of the tooth 4.
The guide sleeve 5 is provided with a through hole, a wedge-shaped key 7 is connected to the inner side of the through hole of the guide sleeve 5, and the wedge-shaped key 7 is perpendicular to the axial direction of the guide sleeve 5. Specifically, the wedge-shaped key 7 is trapezoid, and the short bottom edge is connected with the hole wall of the inner hole of the guide sleeve 5. The wedge-shaped key groove 9 is formed in the outer wall of the side face of the movable guide rod 8, the wedge-shaped key groove 9 is formed in the axial direction of the movable guide rod 8, and the wedge-shaped key 7 is matched with the wedge-shaped key groove 9.
When the utility model is installed, the movable cover plate 2 passes through the movable guide rod 8, the movable cover plate 2 is installed at the top of the vacuum arc-extinguishing chamber, the wedge-shaped key 7 of the guide sleeve 5 is clamped into the wedge-shaped key slot 9 from top to bottom, the tooth slot 6 on the guide sleeve 5 is sleeved above the tooth 4 on the guide fixing ring 3 from top to bottom, the anti-torsion effect is achieved, the movable guide rod 8 can not rotate, and the rotary sprain of the corrugated pipe 10 is avoided.
The device elements in the above embodiments are conventional device elements unless otherwise specified, and the structural arrangement, operation or control modes in the embodiments are conventional arrangement, operation or control modes in the art unless otherwise specified.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a vacuum interrupter anti-torsion device which characterized in that includes:
the movable cover plate (2), the movable cover plate (2) is connected with a guide fixing ring (3);
the guide sleeve (5) is arranged in the guide fixing ring (3);
the movable guide rod (8), the guide sleeve (5) is sleeved outside the movable guide rod (8);
the guide sleeve (5) comprises a column body and an outer ring body, the column body is provided with a through hole and sleeved outside the movable guide rod (8), the outer ring body is connected to the bottom of the outer side of the column body, a tooth slot (6) is formed in the bottom of the outer ring body, and the tooth slot (6) is matched with the tooth (4); the inner side of a through hole of a column body of the guide sleeve (5) is connected with a wedge key (7), a wedge key groove (9) is formed in the outer wall of the side face of the movable guide rod (8), and the wedge key (7) is matched with the wedge key groove (9).
2. A vacuum interrupter anti-twist device according to claim 1, characterized in that the guide ring (3) is fixed to the moving cover plate (2) by means of brazing.
3. The anti-torsion device of the vacuum arc-extinguishing chamber according to claim 1, wherein the guide and fixing ring (3) comprises a ring body and a bottom plate, the bottom plate is connected with the ring body, and the guide and fixing ring (3) is connected with the movable cover plate (2) through the bottom plate.
4. A vacuum interrupter anti-twist device according to claim 3, wherein the number of teeth (4) is greater than one, and a plurality of teeth (4) are circumferentially equidistantly arranged along the through hole of the base plate.
5. The anti-twisting device of a vacuum interrupter according to claim 1, characterized in that the number of teeth (4) and the number of tooth slots (6) are four, and the teeth (4) correspond to the positions of the tooth slots (6).
6. The anti-torsion device of the vacuum arc-extinguishing chamber according to claim 1, wherein the bottom of the outer ring body of the guide sleeve (5) and the bottom of the column body are in the same plane.
7. The anti-torsion device of the vacuum arc-extinguishing chamber according to claim 1, wherein the wedge-shaped key (7) is trapezoidal and the short bottom edge of the wedge-shaped key (7) is connected with the inner hole wall of the guide sleeve (5).
8. The anti-torsion device of the vacuum arc-extinguishing chamber according to claim 1, wherein the wedge-shaped key groove (9) is formed along the axial direction of the movable guide rod (8).
9. A vacuum interrupter torsion prevention device according to claim 1, wherein the moving cover plate (2) is mounted on top of the vacuum interrupter (1).
10. A vacuum interrupter comprising a vacuum interrupter torsion preventing device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322482270.8U CN220753305U (en) | 2023-09-12 | 2023-09-12 | Anti-torsion device of vacuum arc-extinguishing chamber and vacuum arc-extinguishing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322482270.8U CN220753305U (en) | 2023-09-12 | 2023-09-12 | Anti-torsion device of vacuum arc-extinguishing chamber and vacuum arc-extinguishing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220753305U true CN220753305U (en) | 2024-04-09 |
Family
ID=90565012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322482270.8U Active CN220753305U (en) | 2023-09-12 | 2023-09-12 | Anti-torsion device of vacuum arc-extinguishing chamber and vacuum arc-extinguishing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220753305U (en) |
-
2023
- 2023-09-12 CN CN202322482270.8U patent/CN220753305U/en active Active
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