CN217405318U - Compact vacuum switch over-travel spring combination equipment and vacuum switch - Google Patents
Compact vacuum switch over-travel spring combination equipment and vacuum switch Download PDFInfo
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- CN217405318U CN217405318U CN202220921546.0U CN202220921546U CN217405318U CN 217405318 U CN217405318 U CN 217405318U CN 202220921546 U CN202220921546 U CN 202220921546U CN 217405318 U CN217405318 U CN 217405318U
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- guide rod
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Abstract
The utility model relates to a compact vacuum switch over-travel spring combination device and a vacuum switch, wherein the over-travel spring combination device comprises a guide rod, an end cover and a cover body, and the guide rod is vertically arranged; the end cover and the cover body are respectively sleeved on the guide rod in a limiting up-down sliding manner, and the cover body is positioned above the end cover; and a spring device is arranged between the end cover and the cover body and is respectively abutted against the end cover and the cover body. The beneficial effects of the utility model are that simple structure, reasonable in design can realize the overtravel removal of guide arm in order to connect vacuum switch, and can improve electric field strength, safe and reliable, and is small, with low costs.
Description
Technical Field
The utility model relates to a vacuum switch technical field, concretely relates to compact vacuum switch over-travel spring combination equipment and vacuum switch.
Background
The ring main unit is one of very critical switch devices in an urban and rural power grid distribution network, and the using amount is very large; the ring main unit switch is a completely sealed system, all electrified parts and switches of the ring main unit switch are sealed in the stainless steel shell, and the whole switch device is not influenced by external environmental conditions, so that the operation reliability and the personal safety can be ensured. The miniaturization and reliability scheme of the vacuum switch in the ring main unit becomes a problem which is particularly concerned by a distribution network user.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a compact vacuum switch over travel spring combination equipment and vacuum switch are provided, aim at solving the problem among the prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a compact type vacuum switch over-travel spring combination device comprises a guide rod, an end cover and a cover body, wherein the guide rod is vertically arranged; the end cover and the cover body are respectively sleeved on the guide rod in a vertically sliding manner and can be limited, and the cover body is positioned above the end cover; and a spring device is arranged between the end cover and the cover body and is respectively abutted against the end cover and the cover body.
The utility model has the advantages that: when the device is used, the lower end of the guide rod is fixedly connected with a moving electrode on the vacuum switch, the cover body moves downwards under the action of external force to compress the spring device, and the guide rod drives the moving electrode on the vacuum switch to move to be switched on with the fixed electrode by utilizing the elasticity of the spring device, so that smooth switching-on is realized; in the process, the spring device is covered by the cover body, so that the electric field intensity is improved, and the safety and the reliability are realized. The utility model discloses simple structure, reasonable in design can realize the overtravel removal of guide arm in order to connect vacuum switch, and can improve electric field strength, safe and reliable, and is small, with low costs.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the end cover is provided with a first through hole for the guide rod to pass through, the guide rod is fixedly provided with a limiting plate, and the limiting plate is located below the end cover and attached to the end cover.
The beneficial effect who adopts above-mentioned further scheme is simple structure, and reasonable in design carries on spacingly through the limiting plate to the end cover.
Furthermore, the limiting plate is fixedly sleeved on the guide rod, and the size of the limiting plate is larger than that of the first through hole.
The beneficial effect who adopts above-mentioned further scheme is simple structure, and reasonable in design carries on spacingly, neat pleasing to the eye to the end cover through the limiting plate.
Furthermore, the cover body is provided with an opening which is penetrated by the guide rod up and down, the cover body is also relatively provided with two through holes II communicated with the opening, and the guide rod is provided with a through hole III respectively communicated with the two through holes II; and compression bars are inserted into the third through hole and the second through holes.
When the vacuum switch closing device is used, the pressing rod is utilized to limit the cover body, and the pressing rod is moved downwards under the action of external force to enable the cover body to move downwards, so that the vacuum switch closing operation is realized, and the vacuum switch closing device is simple and convenient to operate.
And the driving piece is in transmission connection with the pressing rod and is used for driving the pressing rod to move up and down in the two through holes II.
The beneficial effects of adopting above-mentioned further scheme are that when using, utilize driving piece drive depression bar to reciprocate, realize the automatic movement of depression bar, degree of automation is high, labour saving and time saving.
Further, the spring device comprises two spring assemblies, wherein the two spring assemblies are distributed at two ends of the cover body relatively, and two ends of the spring assemblies are respectively abutted against the cover body and the end cover.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design guarantees to have sufficient power to ensure that vacuum switch closes a floodgate smoothly.
Further, every spring unit all includes the outer ring spring, the outer ring spring is vertical install the cover body with between the end cover, its both ends respectively with the end cover with cover body butt.
When the vacuum switch is used, the pressing rod is moved downwards under the action of external force, so that the cover body moves downwards, the outer ring spring is compressed, and downward acting force is generated on the end cover and the guide rod, so that the switching-on operation of the vacuum switch is realized, and the vacuum switch is simple and convenient to operate.
Furthermore, each spring assembly further comprises an inner ring spring, the inner ring springs are coaxially distributed in the corresponding outer ring spring, and two ends of each inner ring spring are respectively abutted to the cover body and the end cover.
When the vacuum switch is used, the pressing rod is moved downwards under the action of external force, so that the cover body moves downwards, the outer ring spring and the inner ring spring are compressed, downward acting force is generated on the end cover and the guide rod, smooth switch-on of the vacuum switch is further guaranteed, and the vacuum switch is easy and convenient to operate.
The utility model discloses still relate to a vacuum switch, including the switch body, still include as above compact vacuum switch over-travel spring composite set, the guide arm is located the top of switch body, its lower extreme with moving electrode fixed connection on the switch body.
When the vacuum switch is used, the lower end of the guide rod is fixedly connected with the moving electrode on the vacuum switch, the cover body moves downwards under the action of external force to compress the spring device, and the guide rod drives the moving electrode on the vacuum switch to move to be switched on with the fixed electrode by utilizing the elasticity of the spring device, so that smooth switching-on is realized; in the process, the spring device is covered by the cover body, so that the electric field intensity is improved, and the safety and the reliability are realized.
Further, the switch body is fixedly provided with a flexible connection, and the flexible connection is connected with the moving electrode through a circuit.
The beneficial effect who adopts above-mentioned further scheme is that when using, through the flexible coupling with electricity input or derive, convenient to use during the combined floodgate.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a front view of the present invention.
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic structural view of the middle guide rod of the present invention;
FIG. 5 is a schematic structural view of the middle cover body of the present invention;
fig. 6 is a schematic structural view of the middle end cap of the present invention;
fig. 7 is a schematic structural view of the middle pressing rod of the present invention;
fig. 8 is a schematic perspective view of a vacuum switch according to the present invention;
fig. 9 is a front view of the vacuum switch of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a guide bar; 2. an end cap; 3. an outer ring spring; 4. an inner ring spring; 5. a cover body; 6. a pressure lever; 7. a limiting plate; 8. a switch body; 9. and (4) soft connection.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1 to 7, the embodiment provides a compact vacuum switch over-travel spring combination device, which includes a guide rod 1, an end cap 2 and a cover 5, wherein the guide rod 1 is vertically arranged; the end cover 2 and the cover body 5 are respectively sleeved on the guide rod 1 in a limiting up-down sliding manner, and the cover body 5 is positioned above the end cover 2; and a spring device is arranged between the end cover 2 and the cover body 5 and is respectively abutted against the end cover 2 and the cover body 5.
When the device is used, the lower end of the guide rod 1 is fixedly connected with a moving electrode on a vacuum switch, the cover body 5 moves downwards under the action of external force to compress the spring device, and the guide rod 1 drives the moving electrode on the vacuum switch to move to be switched on with a fixed electrode by utilizing the elasticity of the spring device, so that smooth switching-on is realized; in the process, the cover body 5 is used for covering the spring device, so that the electric field intensity is improved, and the safety and the reliability are realized.
Preferably, in this embodiment, the edge of end cover 2 upwards buckles to form the lid structure, simple structure, and reasonable in design can carry on spacingly to spring assembly, guarantees spring assembly's stability.
Preferably, in this embodiment, the middle portion of the cover body 5 is recessed to form a groove, so that the space is saved and the cost is reduced.
The embodiment has the advantages of simple structure, reasonable design, capability of realizing the overtravel movement of the guide rod 1 so as to connect the vacuum switch, capability of improving the electric field intensity, safety, reliability, small volume and low cost.
Example 2
On the basis of embodiment 1, in this embodiment, the end cover 2 is provided with a first through hole through which the guide rod 1 passes, the guide rod 1 is fixedly provided with a limiting plate 7, and the limiting plate 7 is located below the end cover 2 and attached to the end cover 2.
This scheme simple structure, reasonable in design carries on spacingly to end cover 2 through limiting plate 7.
In addition to the above embodiment, a through hole may be formed in the guide rod 1, a limit pin is inserted into the through hole, and two ends of the limit pin extend to two sides of the guide rod 1 respectively to limit the end cap 2.
Example 3
On the basis of embodiment 2, in this embodiment, the limiting plate 7 is fixedly sleeved on the guide rod 1, and the size of the limiting plate is larger than that of the first through hole.
This scheme simple structure, reasonable in design carries on spacingly, neat pleasing to the eye to end cover 2 through limiting plate 7.
Preferably, in this embodiment, the limiting plate 7 may be a circular plate or a rectangular plate.
Besides the above embodiments, the limiting plate 7 may also be directly and fixedly mounted on the guide rod 1, that is, one end of the limiting plate is fixedly connected with the guide rod 1. In this embodiment, the stopper plate 7 supports only one side of the cap 2, so the cap 2 is not as stable as the above embodiment.
Example 4
On the basis of the above embodiments, in this embodiment, the cover body 5 is provided with an opening through which the guide rod 1 passes, the cover body 5 is further provided with two through holes two communicated with the opening, and the guide rod 1 is provided with a through hole three respectively communicated with the two through holes two; and the pressing rods 6 are inserted into the third through hole and the second through holes.
When the vacuum switch is used, on one hand, the cover body 5 is limited by the pressure rod 6, and on the other hand, the pressure rod 5 is moved downwards under the action of external force, so that the cover body moves downwards, the switching-on operation of the vacuum switch is realized, and the vacuum switch is simple and convenient to operate.
Preferably, in this embodiment, in order to increase the stability of the up-and-down movement of the cover 5, the upper portion of the guide rod 1 may be formed into a vertical plane with respect to the cutting portion, and two sides of the opening on the cover 5 are respectively in sliding fit with two planes of the guide rod 1.
Preferably, in this embodiment, the two second through holes and the three through holes are preferably circular holes, and the pressing rod 6 is preferably a cylindrical rod.
Preferably, in this embodiment, the diameters of the two second through holes are smaller than the diameter of the third through hole, at this time, the pressing rod 6 may be set to have a structure with a thick middle part and thin two ends, the diameter of the middle part is larger than the diameters of the two second through holes and smaller than the diameter of the third through hole, the diameters of the thin parts at the two ends are smaller than the spaces of the two second through holes, the middle part of the pressing rod 6 is inserted into the third through hole, and the two ends are respectively inserted into the two second through holes, so that the structure is simple, the design is reasonable, and the pressing rod 6 and the cover body 5 can be effectively prevented from slipping.
In addition to the above embodiments, the cover 5 may also be installed in other ways, for example, two guide grooves are oppositely arranged on the upper portion of the guide rod 1, and the two guide grooves respectively extend along the length direction of the guide rod 1; the both sides of opening are the relative fixedly connected with guide bar on the cover body 5, and the one end that two guide bars are close to each other extends to in two guide slots respectively and with two guide slot sliding connection.
Example 5
On the basis of the embodiment 4, the embodiment further comprises a driving part, wherein the driving part is in transmission connection with the pressing rod 6 and is used for driving the pressing rod 6 to move up and down in the two through holes II.
When the automatic moving device is used, the driving piece is utilized to drive the pressing rod 6 to move up and down, so that the automatic moving of the pressing rod 6 is realized, the automation degree is high, and time and labor are saved.
Preferably, in this embodiment, the driving member includes a motor and two cams, a rotating shaft is horizontally installed above the cover body 5, and the two cams are respectively coaxially sleeved at two ends of the rotating shaft; the motor is fixedly arranged above the middle part of the rotating shaft and is in transmission connection with the rotating shaft through the speed reducer; two ends of the pressure lever 6 are respectively provided with an annular groove, and the two cams are respectively connected with the two annular grooves in a sliding way. When the device is used, the motor drives the rotating shaft to rotate through the speed reducer, the pressing rod 6 is pressed downwards by utilizing the particularity of the two cam structures, and meanwhile, the pressing rod 6 moves upwards and returns by utilizing the elastic force of the spring device.
In addition to the above embodiments, the pressure guide lever 6 may be manually depressed.
Example 6
On the basis of the above embodiments, in this embodiment, the spring device includes two spring assemblies, the two spring assemblies are distributed at two ends of the cover 5, and the two ends of the spring assembly are respectively abutted to the cover 5 and the end cap 2.
The scheme has the advantages of simple structure and reasonable design, and ensures that the vacuum switch is smoothly switched on by enough force.
Preferably, in this embodiment, a limiting groove corresponding to the spring assembly one to one is provided in the cover body 5, each spring assembly is located in the corresponding limiting groove, and the lower end of each spring assembly extends to the outside of the cover body 5 and abuts against the end cover 2.
Besides the above embodiments, the spring device may also be a spring, which is coaxially sleeved on the guide rod 1, and the upper and lower ends of the spring are respectively abutted against the end cap 2 and the cover body 5.
Alternatively, the spring device further comprises a plurality of spring assemblies, for example, four spring assemblies, and the four spring assemblies are distributed at two opposite ends of the cover 5.
Example 7
On the basis of embodiment 6, in this embodiment, each spring assembly includes an outer ring spring 3, the outer ring spring 3 is vertically installed between the cover body 5 and the end cover 2, and both ends of the outer ring spring are respectively abutted to the end cover 2 and the cover body 5.
When the vacuum switch is used, the pressing rod 6 is moved downwards under the action of external force, so that the cover body 5 moves downwards, the outer ring spring 3 is compressed, and downward acting force is generated on the end cover 2 and the guide rod 1, so that the switching-on operation of the vacuum switch is realized, and the vacuum switch is simple and convenient to operate.
Example 8
On the basis of embodiment 7, in this embodiment, each spring assembly further includes an inner coil spring 4, the inner coil springs 4 are coaxially distributed in the corresponding outer coil spring 3, and both ends of each inner coil spring 4 abut against the cover 5 and the end cover 2, respectively.
When the vacuum switch is used, the pressing rod is moved downwards under the action of external force, so that the cover body 5 moves downwards, the outer ring spring 3 and the inner ring spring 4 are compressed, and downward acting force is generated on the end cover 2 and the guide rod 1, so that smooth switch-on of the vacuum switch is further guaranteed, and the vacuum switch is easy and convenient to operate.
Example 9
As shown in fig. 8 and fig. 9, on the basis of the above embodiments, the present embodiment further provides a vacuum switch, which includes a switch body 8, and further includes the above compact vacuum switch over-travel spring combination device, wherein the guide rod 1 is located on the top of the switch body 8, and the lower end of the guide rod is fixedly connected to the moving electrode on the switch body 8.
When the device is used, the lower end of the guide rod 1 is fixedly connected with a moving electrode on a vacuum switch, the cover body 5 moves downwards under the action of external force to compress the spring device, and the guide rod 1 drives the moving electrode on the vacuum switch to move to be switched on with a fixed electrode by utilizing the elasticity of the spring device, so that smooth switching-on is realized; in the process, the spring device is covered by the cover body, so that the electric field intensity is improved, and the safety and the reliability are realized.
Preferably, in this embodiment, the vacuum switch adopts the prior art, a cavity is arranged in the vacuum switch, and a through hole communicated with the cavity is arranged at the top of the vacuum switch; the cavity is fixedly provided with a fixed electrode, a moving electrode is vertically moved above the fixed electrode, and the lower end of the guide rod 1 penetrates through the through hole and then is fixedly connected with the moving electrode.
It should be noted that, the vacuum switch described above is adopted in the prior art, and the specific structure and principle thereof are not described herein again.
In addition, the fixed electrode and the movable electrode are both referred to as electrodes, wherein the fixed electrode is only fixed and the movable electrode is only movable.
Example 10
In addition to embodiment 9, in this embodiment, a flexible connection 9 is fixedly mounted on the switch body 8, and the flexible connection 9 is connected to the moving electrode through a line.
When the switch is used, electricity is input or led out through the flexible connection 9 during switching on, and the switch is convenient to use.
Preferably, in this embodiment, the flexible connection 9 refers to a copper plate, which is fixedly mounted on the vacuum switch, and one end of the copper plate is connected with the moving electrode through a line, and can be used for inputting or outputting electricity.
In addition, the fixed electrode is connected with a power supply or an electric appliance through a circuit, and when the flexible connection 9 inputs electricity, the fixed electrode is connected with the electric appliance; when the flexible connection 9 is powered off, the fixed electrode is connected with a power supply.
The working principle of the utility model is as follows:
when the device is used, the lower end of the guide rod 1 is fixedly connected with a moving electrode on a vacuum switch, the cover body 5 moves downwards under the action of external force to compress the outer ring spring 3 and the inner ring spring 4, and the guide rod 1 drives the moving electrode on the vacuum switch to move to be switched on with a fixed electrode by utilizing the elasticity of the outer ring spring 3 and the inner ring spring 4, so that smooth switching-on is realized; in the process, the cover body 5 is used for covering the spring device, so that the electric field intensity is improved, and the safety and the reliability are realized.
It should be noted that the electronic components according to the present invention all adopt the prior art, and the above-mentioned each component is electrically connected with a controller (model TC-SCR), and the control circuit between the controller and each component is the prior art.
In the drawings, the solid lines and the broken lines each represent a contour line, and do not have any special meaning.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a compact vacuum switch over-travel spring combination equipment which characterized in that: the guide rod type shielding hood comprises a guide rod (1), an end cover (2) and a hood body (5), wherein the guide rod (1) is vertically arranged; the end cover (2) and the cover body (5) are respectively sleeved on the guide rod (1) in a limiting up-down sliding manner, and the cover body (5) is positioned above the end cover (2); and a spring device is arranged between the end cover (2) and the cover body (5), and the spring device is respectively abutted against the end cover (2) and the cover body (5).
2. The compact vacuum switch over-travel spring combination of claim 1, wherein: be equipped with the confession on end cover (2) through-hole one that guide arm (1) passed, fixed mounting has limiting plate (7) on guide arm (1), limiting plate (7) are located the below of end cover (2) and with end cover (2) laminating.
3. The compact vacuum switch over-travel spring combination of claim 2, wherein: the limiting plate (7) is fixedly sleeved on the guide rod (1) and is larger than the first through hole in size.
4. The compact vacuum switch over-travel spring combination of any one of claims 1-3, wherein: the cover body (5) is provided with an opening which is penetrated by the guide rod (1) up and down, the cover body (5) is also relatively provided with two through holes II communicated with the opening, and the guide rod (1) is provided with a through hole III respectively communicated with the two through holes II; and compression bars (6) are inserted into the third through hole and the second through holes.
5. The compact vacuum switch over-travel spring combination of claim 4, wherein: the driving piece is in transmission connection with the pressing rod (6) and is used for driving the pressing rod (6) to move up and down in the two through holes II.
6. The compact vacuum switch over-travel spring combination of any one of claims 1-3, wherein: the spring device comprises two spring components which are distributed at two ends of the cover body (5) relatively, and two ends of the spring components are respectively abutted against the cover body (5) and the end cover (2).
7. The compact vacuum switch over-travel spring combination of claim 6, wherein: each spring assembly comprises an outer ring spring (3), the outer ring spring (3) is vertically installed between the cover body (5) and the end covers (2), and two ends of the outer ring spring are respectively abutted to the end covers (2) and the cover body (5).
8. The compact vacuum switch over-travel spring combination of claim 7, wherein: each spring assembly further comprises an inner ring spring (4), the inner ring springs (4) are coaxially distributed in the corresponding outer ring springs (3), and two ends of each inner ring spring are respectively abutted to the cover body (5) and the end cover (2).
9. A vacuum switch comprising a switch body (8), characterized in that: the compact vacuum switch over-travel spring combination device according to any one of claims 1 to 8, wherein the guide rod (1) is located on the top of the switch body (8), and the lower end of the guide rod is fixedly connected with the moving electrode on the switch body (8).
10. The vacuum switch of claim 9, wherein: the switch is characterized in that a flexible connection (9) is fixedly mounted on the switch body (8), and the flexible connection (9) is connected with the moving electrode through a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220921546.0U CN217405318U (en) | 2022-04-20 | 2022-04-20 | Compact vacuum switch over-travel spring combination equipment and vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220921546.0U CN217405318U (en) | 2022-04-20 | 2022-04-20 | Compact vacuum switch over-travel spring combination equipment and vacuum switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217405318U true CN217405318U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220921546.0U Active CN217405318U (en) | 2022-04-20 | 2022-04-20 | Compact vacuum switch over-travel spring combination equipment and vacuum switch |
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| Country | Link |
|---|---|
| CN (1) | CN217405318U (en) |
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2022
- 2022-04-20 CN CN202220921546.0U patent/CN217405318U/en active Active
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