CN219832502U - Load switch with reliable action - Google Patents
Load switch with reliable action Download PDFInfo
- Publication number
- CN219832502U CN219832502U CN202321190426.9U CN202321190426U CN219832502U CN 219832502 U CN219832502 U CN 219832502U CN 202321190426 U CN202321190426 U CN 202321190426U CN 219832502 U CN219832502 U CN 219832502U
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- CN
- China
- Prior art keywords
- linkage
- piece
- operation shaft
- sleeve
- clamping
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- 238000009434 installation Methods 0.000 claims abstract description 30
- 210000001503 joint Anatomy 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a load switch with reliable action. The utility model aims to solve the technical problem of providing a ring main unit load switch which is compact in structure and reliable in action. The technical scheme includes that the intelligent control device comprises a left bracket, a right bracket, an operation shaft, a linkage component assembly and a moving contact component, wherein the operation shaft comprises an operation shaft round rod part and an operation shaft square rod part, linkage component installation limiting grooves are formed in the front side part and the rear side part of the operation shaft square rod part, linkage component clamping column positioning grooves are formed in the operation shaft round rod part at equal intervals, linkage component installation column clamping holes are formed in the linkage component clamping column positioning grooves, and the depth of the linkage component installation limiting grooves is larger than that of the linkage component clamping column positioning grooves. The utility model has the advantages that: the operation shaft is fixedly connected with the linkage sleeve joint part by adopting a rotary clamping connection, the connection is tight, the action is stable and reliable, the misoperation can not occur, the number of connecting parts of the structure is small, and the assembly is convenient and the cost is low.
Description
Technical Field
The utility model relates to the technical field of ring main unit load switches, in particular to a load switch with reliable action.
Background
The load switch is a switching device between a circuit breaker and a disconnecting switch, and is provided with a simple arc extinguishing device, and can cut off rated load current and a certain overload current, but can not cut off short-circuit current. The load switch for the ring main unit comprises a load switch support, a fixed contact group, a moving contact group and an operating mechanism which is fixedly arranged on the support and used for driving the moving contact group to move, the existing operating mechanism has the problems that the operation shaft of the operating mechanism is unreliable in action and easy to malfunction when being matched with a linkage piece connected with the moving contact group, potential safety hazards exist, and in addition, the operating shaft and the linkage piece are more in parts, so that the problems of complex assembly and high production cost exist.
Disclosure of Invention
In order to solve the problems, the technical problem to be solved by the utility model is to provide the ring main unit load switch which is compact in structure and reliable in action.
The load switch with reliable action adopts the technical scheme that the load switch comprises a left bracket, a right bracket, an operation shaft arranged between the left bracket and the right bracket, a linkage piece assembly sleeved on the operation shaft at intervals and a movable contact assembly connected with the linkage piece assembly in an action mode, and is characterized in that the operation shaft comprises an operation shaft round rod part and operation shaft square rod parts arranged at two ends of the operation shaft round rod part, linkage piece installation limit grooves are formed in the front side part and the rear side part of the operation shaft round rod part, linkage piece clamping column locating grooves are formed in the operation shaft round rod part at equal intervals, linkage piece installation column clamping holes are formed in the linkage piece clamping column locating grooves, and the depth of the linkage piece installation limit grooves is larger than that of the linkage piece clamping column locating grooves;
the linkage piece assembly comprises a linkage sleeve piece, a sleeve piece mounting hole for sleeving the round rod part of the operation shaft is formed in the linkage sleeve piece, and a sleeve piece clamping column corresponding to the sleeve piece mounting column clamping hole is arranged in the sleeve piece mounting hole.
The connecting piece clamping column positioning groove is internally provided with a clamping column abdicating groove which is convenient for the sleeve connecting piece clamping column to rotate, and the width of the clamping column abdicating groove is smaller than the diameter of the connecting piece mounting column clamping hole.
The number of the sleeve joint piece clamping columns, the linkage piece mounting column clamping holes and the linkage piece mounting limit grooves is 2.
And the clamping holes of the linkage piece mounting columns are perpendicular to the linkage piece mounting limit grooves.
The anti-rotation end cover is characterized by further comprising an anti-rotation end cover, wherein an end cover installation protrusion is arranged on the inner side of the anti-rotation end cover, an end cover square limiting hole for butt joint of the end part of the square rod part of the operation shaft is formed in the middle of the end cover installation protrusion, and clamping protrusions for clamping the right support are arranged on the outer side of the end cover installation protrusion around the arc interval.
The anti-rotation end cover is also provided with a cross handle.
The head of the sleeving part clamping column is of an arc structure.
The linkage piece assembly further comprises an arc connecting plate and a linkage plate connected with the movable contact assembly, the linkage sleeve piece is provided with a sleeve piece butt joint part, and the arc connecting plate is arranged on two sides of the sleeve piece butt joint part and is fixed together through a connecting rod.
The device also comprises a main shaft connecting sleeve sleeved on the square rod part of the operation shaft.
The load switch with reliable action has the advantages that: the operation shaft adopts a square and round combined structure design, the operation shaft and the linkage sleeve joint piece are connected and fixed by adopting a rotary clamping connection, the connection is tight, the action is stable and reliable, the misoperation can not occur, and the structure has the advantages of less connecting parts and low assembly cost.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of a reliable load switch of the present utility model;
FIG. 2 is a schematic view of the structure of the operating shaft of the present utility model;
FIG. 3 is an enlarged view of FIG. 2;
FIG. 4 is a schematic structural view of the linkage assembly of the present utility model;
FIG. 5 is a front view of the linkage assembly of the present utility model;
fig. 6 is a schematic structural view of the anti-rotation end cap of the present utility model.
Detailed Description
As shown in fig. 1 to 6, the load switch with reliable action related to the utility model comprises a left bracket 1, a right bracket 2, an operation shaft 3 arranged between the left bracket 1 and the right bracket 2, a linkage piece assembly 4 sleeved on the operation shaft 3 at intervals and a movable contact assembly 5 which is connected with the linkage piece assembly 4 and can act, wherein the operation shaft 3 comprises an operation shaft round rod part 10 and operation shaft square rod parts 11 arranged at two ends of the operation shaft round rod part 10, the front side part and the rear side part of the operation shaft round rod part 11 of the operation shaft round rod part 10 are provided with linkage piece installation limiting grooves 13, the operation shaft round rod part 10 is provided with linkage piece clamping column positioning grooves 14 at equal intervals, the linkage piece clamping column positioning grooves 14 are provided with linkage piece installation column clamping holes 15, and the depth of the linkage piece installation limiting grooves 13 is larger than that of the linkage piece clamping column positioning grooves 14; the linkage piece assembly 4 comprises a linkage sleeve piece 19, the linkage sleeve piece 19 is provided with a sleeve piece installation hole 22 for sleeve connection on the operation shaft round rod part 10, a sleeve piece clamping column 23 corresponding to the linkage piece installation column clamping hole 15 is arranged in the sleeve piece installation hole 22, the operation shaft 3 adopts a square and round combined structure design, the operation shaft and the linkage sleeve piece are fixedly connected by adopting a rotary clamping connection, the connection is tight, the action is stable and reliable, the misoperation is avoided, the product safety is improved, the number of structural connection parts is small, and the assembly cost is convenient.
The inside of the locating groove 14 of the connecting piece clamping column is provided with a clamping column abdication groove 16 which is convenient for the rotation of the sleeving piece clamping column 23, the width of the clamping column abdication groove 16 is smaller than the diameter of the clamping hole 15 of the connecting piece installation column, and the clamping stagnation during the rotation is reduced, so that the connecting piece installation column is easier to rotate and install.
The number of the sleeve joint piece clamping columns 23, the linkage piece mounting column clamping holes 15 and the linkage piece mounting limit grooves 13 is 2, the structure is more stable, and the service life is longer.
The linkage piece mounting column clamping holes 15 are perpendicular to the linkage piece mounting limit grooves 13, stability of a product structure is improved, and action reliability is further improved.
Still include anti-rotation end cover 6, anti-rotation end cover 6 inboard is equipped with end cover installation protruding 28, end cover installation protruding 28 middle part be equipped with the square spacing hole 29 of end cover of the butt joint of operating shaft square shaft portion 11 tip, the end cover installation protruding 28 outside be equipped with around the circular arc interval be used for with the joint lug 30 of right branch frame 2 joint can effectively prevent the maloperation of operating shaft 3 when not needing the action, improves the security.
The anti-rotation end cover 6 is also provided with a cross handle 31, which is convenient to operate.
The head of the socket joint piece clamping column 23 is of an arc structure, so that the installation of the linkage socket joint piece 19 is facilitated.
The linkage piece assembly 4 further comprises an arc connecting plate 20 and a linkage plate 21 connected with the movable contact assembly 5, the linkage sleeve piece 19 is provided with a sleeve piece butt joint part 25, the arc connecting plate 20 is arranged on two sides of the sleeve piece butt joint part 25 and is fixed together through a connecting rod 26, and the linkage sleeve piece assembly is stable in structure and reliable in action.
The device also comprises a main shaft connecting sleeve 7 sleeved on the square rod part 11 of the operation shaft.
The sleeve joint post 23 of the linkage sleeve 19 is moved to the position of the sleeve joint post positioning groove 14 through the sleeve joint installation limiting groove 13, and then the linkage sleeve 19 is rotated to enable the sleeve joint post 23 to be clamped into the sleeve joint installation post clamping hole 15, so that the installation of the operation shaft and the linkage sleeve is completed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The utility model provides a reliable load switch of action, includes left socle (1), right branch frame (2), establishes left socle (1) with operating shaft (3) between right branch frame (2), spacer sleeve establish linkage subassembly (4) and movable contact subassembly (5) that are connected with linkage subassembly (4), its characterized in that on operating shaft (3): the operation shaft (3) comprises an operation shaft round rod part (10) and operation shaft square rod parts (11) arranged at two ends of the operation shaft round rod part (10), wherein linkage piece installation limiting grooves (13) are formed in the front side part and the rear side part of the operation shaft square rod part (11), linkage piece clamping column positioning grooves (14) are formed in the operation shaft round rod part (10) at equal intervals, linkage piece installation column clamping holes (15) are formed in the linkage piece clamping column positioning grooves (14), and the depth of the linkage piece installation limiting grooves (13) is larger than that of the linkage piece clamping column positioning grooves (14);
the linkage piece assembly (4) comprises a linkage sleeve piece (19), sleeve piece mounting holes (22) used for being sleeved on the round operating shaft rod portion (10) are formed in the linkage sleeve piece (19), and sleeve piece clamping columns (23) corresponding to the linkage piece mounting column clamping holes (15) are formed in the sleeve piece mounting holes (22).
2. The motion-reliable load switch of claim 1, wherein: the connecting piece clamping column positioning groove (14) is internally provided with a clamping column abdication groove (16) which is convenient for the sleeve connecting piece clamping column (23) to rotate, and the width of the clamping column abdication groove (16) is smaller than the diameter of the connecting piece mounting column clamping hole (15).
3. The motion-reliable load switch of claim 1, wherein: the number of the sleeve joint piece clamping columns (23), the number of the linkage piece mounting column clamping holes (15) and the number of the linkage piece mounting limit grooves (13) are all 2.
4. The motion-reliable load switch of claim 1, wherein: the linkage piece mounting column clamping holes (15) are perpendicular to the linkage piece mounting limit grooves (13).
5. The motion-reliable load switch of claim 1, wherein: still including preventing changeing end cover (6), prevent changeing end cover (6) inboard and be equipped with end cover installation arch (28), end cover installation arch (28) middle part be equipped with the square spacing hole (29) of end cover of operation axle square shaft portion (11) tip butt joint, end cover installation arch (28) outside be equipped with around the circular arc interval be used for with joint lug (30) of right branch frame (2) joint.
6. The motion-reliable load switch of claim 5, wherein: the anti-rotation end cover (6) is also provided with a cross handle (31).
7. The motion-reliable load switch of claim 1, wherein: the head of the sleeving part clamping column (23) is of an arc structure.
8. The motion-reliable load switch of claim 1, wherein: the linkage piece assembly (4) further comprises an arc connecting plate (20) and a linkage plate (21) connected with the movable contact assembly (5), the linkage sleeve piece (19) is provided with a sleeve piece butt joint part (25), and the arc connecting plate (20) is arranged on two sides of the sleeve piece butt joint part (25) and is fixed together through connecting rods (26).
9. The motion-reliable load switch of claim 1, wherein: the device also comprises a main shaft connecting sleeve (7) sleeved on the square rod part (11) of the operation shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190426.9U CN219832502U (en) | 2023-05-17 | 2023-05-17 | Load switch with reliable action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190426.9U CN219832502U (en) | 2023-05-17 | 2023-05-17 | Load switch with reliable action |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219832502U true CN219832502U (en) | 2023-10-13 |
Family
ID=88247814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321190426.9U Active CN219832502U (en) | 2023-05-17 | 2023-05-17 | Load switch with reliable action |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219832502U (en) |
-
2023
- 2023-05-17 CN CN202321190426.9U patent/CN219832502U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |