CN207282395U - A kind of vacuum switch tube and vacuum switch - Google Patents
A kind of vacuum switch tube and vacuum switch Download PDFInfo
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- CN207282395U CN207282395U CN201721134639.4U CN201721134639U CN207282395U CN 207282395 U CN207282395 U CN 207282395U CN 201721134639 U CN201721134639 U CN 201721134639U CN 207282395 U CN207282395 U CN 207282395U
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- vacuum switch
- end cap
- switch tube
- reinforcement structure
- vacuum
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Abstract
The utility model discloses a kind of vacuum switch tube and vacuum switch, belong to technical field of vacuum switches, designed to solve the problems such as end cap in existing structure is easily damaged when making thermoplasticity pole.The utility model vacuum switch tube includes insulation crust, and the both ends of insulation crust are respectively arranged with end cap, reinforcement structure is provided with the inside of wherein at least one end cap, and reinforcement structure is used for the supports end cap when making thermoplasticity pole.The utility model additionally provides a kind of vacuum switch for including above-mentioned vacuum switch tube.Vacuum switch tube and vacuum switch provided by the utility model, when making thermoplasticity pole, vacuum interrupter must bear the situation of decades of times atmospheric pressure, its reinforcement structure can avoid the problem that end cap produce serious depressed deformation and caused by the function of vacuum interrupter lose so that the structure of vacuum switch and property retention are stable, reliable.
Description
Technical field
It the utility model is related to technical field of vacuum switches, more particularly to a kind of vacuum switch tube and be provided with the vacuum
The vacuum switch of switching tube.
Background technology
In power distribution network, the switchgear for playing control or defencive function is the important equipment necessarily applied in circuit, it rises
The effect for closing, cut-offfing circuit.In recent years, due to vacuum switch performance advantage (strong breaking capacity, environmental protection without explosion endanger
Danger, contact gap be small, high electric life etc.) clearly, it has occupied overwhelming status in the application in middle pressure field.
The core component of vacuum switch is the vacuum switch tube in housing.The structure of existing conventional vacuum switching tube is as schemed
Shown in 1,
Including insulation crust 1, the both ends of insulation crust 1 are respectively arranged with end cap 2, fix and wear on one of end cap 2
Have a conducting rod 5, activity is equipped with another conducting rod 5 on another end cap 2, the outside of conducting rod 5 that activity is worn is arranged
There is a bellows 7, the outside of bellows 7 is connected to end cap 2, inner side is provided with bellows shield cover 8, and each component carries out close each other
Envelope connection, forms the vacuum cavity of a closing, and the inners of two conducting rods 5 is respectively arranged with contact 6, and two conducting rods 5 touch
Vacuum fracture is formed between first 6.
At present, pole type vacuum switch because its excellent performance module, it is resistance to it is filthy, easy care application is more and more wider
It is general.And existing a large amount of pole case materials are epoxy resin, but epoxide resin material is difficult degraded, can not recycle profit
With its environmental issue is paid more and more attention.To solve the problems, such as this, part of the manufacturer has begun to use thermoplastic to make sealing
Pole.
But during pole of the prior art applied to thermoplastic material making, there are following defect：End cap intensity
It is poor, it is impossible to bear to make the strong effect of the decades of times air applied during pole, after being fabricated to plastics pole, vacuum switch
The end cap of pipe meeting significant depressions under the action of injection pressure, so that the function of vacuum switch tube is lost.
Utility model content
One purpose of the utility model is to propose that one kind can avoid its end cap when making thermoplasticity pole
Badly damaged vacuum switch tube.
Another purpose of the utility model is to propose that one kind can avoid its end when making thermoplasticity pole
Cover badly damaged vacuum switch.
For this purpose, on the one hand, the utility model uses following technical scheme：
A kind vacuum switch tube, including insulation crust, the both ends of the insulation crust are respectively arranged with end cap, wherein extremely
Reinforcement structure is provided with the inside of a few end cap, the reinforcement structure is used to support institute when making thermoplasticity pole
State end cap.
Further, the reinforcement structure includes jamb support portion and the top braces being arranged on the jamb support portion
Portion, the jamb support portion are used to support the internal face of the side wall of the end cap, and the top braces portion is used to support the end
The internal face at the top of lid.
Further, the outer contour of the reinforcement structure and the Internal periphery of the end cap match.
Further, the reinforcement structure is supported on the insulation crust, between the reinforcement structure and the end cap
Clearance fit.
Further, the jamb support portion is in a ring.
Further, the vacuum switch tube further includes the transition rings being arranged on the insulation crust, the transition rings
Outside diameter be more than the insulation crust internal diameter, the reinforcement structure free support is in the transition rings.
Further, the transition rings are made of copper material.
Further, the transition rings are welded to connect with the insulation crust.
Further, it is fixed on one of them described end cap be equipped with the first conducting rod, activity on another described end cap
It is equipped with the second conducting rod, the inner of first conducting rod and second conducting rod is respectively arranged with contact, and described first
Vacuum fracture is formed between the contact of the contact of conducting rod and second conducting rod.
On the other hand, the utility model uses following technical scheme：
A kind of vacuum switch, including the vacuum switch tube described in any of the above-described.
The beneficial effects of the utility model are as follows：
Vacuum switch tube and vacuum switch provided by the utility model, are provided with and are supported when making thermoplasticity pole
The reinforcement structure of end cap, when making thermoplasticity pole, vacuum interrupter must bear the situation of decades of times atmospheric pressure, adds
Strong structure can avoid the problem that end cap produce serious depressed deformation and caused by the function of vacuum interrupter lose so that vacuum
The structure of switch and property retention are stable, reliable.
Brief description of the drawings
Fig. 1 is the structure diagram of existing vacuum switch tube；
Fig. 2 is the structure diagram for the vacuum switch tube that the preferred embodiment in the utility model one provides；
Fig. 3 is the partial enlarged view at A in Fig. 2.
In figure：
1st, insulation crust；2nd, end cap；3rd, reinforcement structure；4th, transition rings；5th, conducting rod；6th, contact；7th, bellows；8th, ripple
Tube shield cover；31st, jamb support portion；32nd, top braces portion.
Embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Preferred embodiment one：
This preferred embodiment provides a kind of vacuum switch tube, and as shown in Figures 2 and 3, it includes insulation crust 1, insulation
The both ends of shell 1 are respectively arranged with end cap 2, and two inner sides of end cap 2 are both provided with reinforcement structure 3, and reinforcement structure 3 is used to make
Supports end cap 2 during thermoplasticity pole.Reinforcement structure 3 preferably but is not limited to be made of steel or other have
The material of appropriate intensity.
Vacuum switch tube provided in this embodiment, is provided with the reinforcement of the supports end cap 2 when making thermoplasticity pole
Structure 3, when making thermoplasticity pole, vacuum interrupter must bear the situation of decades of times atmospheric pressure, 3 energy of reinforcement structure
Enough avoid the problem that end cap 2 from producing serious depressed deformation and caused by the function of vacuum interrupter lose so that vacuum switch tube
Structure and property retention it is stable, reliable.
It is specifically, fixed on one of end cap 2 to be equipped with a conducting rod 5, on another end cap 2 in the present embodiment
Activity is equipped with another conducting rod 5；More specifically, 5 outer sheath of conducting rod that activity is worn is equipped with bellows 7, bellows 7
Outside is connected to end cap 2, inner side is provided with bellows shield cover 8, and each component is connected and sealed each other, forms a closing
Vacuum cavity.The inner of two conducting rods 5 is respectively arranged with contact 6, and vacuum fracture is formed between the contact 6 of two conducting rods 5.
End cap 2 generally includes annular sidewall and the top passed through for conducting rod 5 being arranged on annular sidewall, the present embodiment
In, on the basis of said structure, reinforcement structure 3 includes jamb support portion 31 and the top branch being arranged on jamb support portion 31
Support part 32, jamb support portion 31 are arranged at the inside sidewalls of end cap 2, and top braces portion 32 is arranged at the inside top of end cap 2, side
Wall supporting part 31 is used to support the internal face of the side wall of end cap 2, and top braces portion 32 is used to support the inner wall at the top of end cap 2
Face, to ensure that end cap 2 obtains comprehensive support, ensures stiffening effect.Vacuum switch tube provided in this embodiment, due to setting
There is reinforcement structure 3, the thickness of end cap 2 is close with 2 thickness of end cap of conventional vacuum switching tube, especially the annular sidewall of end cap 2,
The thin-wall construction less than or equal to 1.5mm can be used to reduce the weld seam between end cap 2 and insulation crust 1.
In the present embodiment, on the basis of said structure, in order to further ensure the stiffening effect to end cap 2, strengthen knot
The outer contour of structure 3 and the Internal periphery of end cap 2 match.Specifically, jamb support portion 31 is in a ring.
In the present embodiment, preferably, reinforcement structure 3 is supported on insulation crust 1, reinforcement structure 3 and end cap 2 it
Between clearance fit.Clearance fit between reinforcement structure 3 and end cap 2, can be the jamb support portion 31 and top branch of reinforcement structure 3
In support part 32 at least one between end cap 2 clearance fit.In this preferred solution, reinforcement structure 3 is this to be supported in outside insulation
It is not directly attached on shell 1 on end cap 2, an entirety can be welded into avoid by reinforcement structure 3 and end cap 2, and is produced and be somebody's turn to do
The problem of weld seam is greatly caused by expansion, shrinkage stress gap are big between entirety and insulation crust 1 or insulation crust 1 is damaged；Add
The structure type of clearance fit between strong structure 3 and end cap 2, can be to avoid close place's solder under capillary action by reinforcement structure
It is welded into a whole between 3 and end cap 2, so as to keep the flexibility of end cap 2.It is highly preferred that 3 free support of reinforcement structure is in insulation
On shell 1 (3 free support of reinforcement structure in refer on insulation crust 1 reinforcement structure 3 be placed directly on insulation crust 1 and with
Without the relation being fixedly connected between insulation crust 1).
In the present embodiment, on the basis of said structure, vacuum switch tube further includes the transition being arranged on insulation crust 1
Ring 4, the outside diameter of transition rings 4 are more than the internal diameter of insulation crust 1, and 3 free support of reinforcement structure is in (reinforcement structure 3 is certainly in transition rings 4
Refer to that reinforcement structure 3 is placed directly in transition rings 4 and between transition rings 4 without being fixedly connected in transition rings 4 by being supported in
Relation).More specifically, jamb support portion 31 is supported in transition rings 4.Transition rings 4 may insure that insulation crust 1 can support and add
Strong structure 3.
Transition rings 4 are preferred but are not limited to that (such as fine copper or oxygenless copper material) is made by copper material, can also be prolonged by other
The preferable material of malleability is made, and to reduce influence of the welding stress to weld seam, ensures airtight, the reliability of seal-weld, avoids
Insulation crust 1 is impaired, plays the role of protecting insulation crust 1.Between transition rings 4 and insulation crust 1 preferably but be not limited to weld
Connect in succession.Between transition rings 4 and the reinforcement structure 3 preferably but be not limited to be welded to connect, specifically, reinforcement structure 3 and mistake
Ring 4 is crossed to weld.
The present embodiment additionally provides a kind of vacuum switch, it includes above-mentioned vacuum switch tube.
Vacuum switch tube provided in this embodiment, is provided with the reinforcement of the supports end cap 2 when making thermoplasticity pole
Structure 3, when making thermoplasticity pole, vacuum interrupter must bear the situation of decades of times atmospheric pressure, 3 energy of reinforcement structure
Enough avoid the problem that end cap 2 from producing serious depressed deformation and caused by the function of vacuum interrupter lose so that vacuum switch
Structure and property retention are stable, reliable.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model cannot be construed in any way.Based on explanation herein,
Those skilled in the art would not require any inventive effort the other embodiments that can associate the utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (10)
1. a kind of vacuum switch tube, including insulation crust (1), the both ends of the insulation crust (1) are respectively arranged with end cap (2),
It is characterized in that, being provided with reinforcement structure (3) on the inside of end cap described in wherein at least one (2), the reinforcement structure (3) is used for
The end cap (2) is supported when making thermoplasticity pole.
2. a kind of vacuum switch tube according to claim 1, it is characterised in that the reinforcement structure (3) includes side wall branch
Support part (31) and the top braces portion (32) being arranged on the jamb support portion (31), the jamb support portion (31) are used for branch
The internal face of the side wall of the end cap (2) is supportted, the top braces portion (32) is used to support the inner wall at the top of the end cap (2)
Face.
A kind of 3. vacuum switch tube according to claim 1 or 2, it is characterised in that the outer contour of the reinforcement structure (3)
Match with the Internal periphery of the end cap (2).
4. a kind of vacuum switch tube according to claim 1 or 2, it is characterised in that the reinforcement structure (3) is supported in institute
State on insulation crust (1), clearance fit between the reinforcement structure (3) and the end cap (2).
5. a kind of vacuum switch tube according to claim 2, it is characterised in that the jamb support portion (31) is in a ring.
6. a kind of vacuum switch tube according to claim 1 or 2, it is characterised in that the vacuum switch tube, which further includes, to be set
The transition rings (4) being placed on the insulation crust (1), the outside diameter of the transition rings (4) are more than the interior of the insulation crust (1)
Footpath, reinforcement structure (3) free support is in the transition rings (4).
7. a kind of vacuum switch tube according to claim 6, it is characterised in that the transition rings (4) are made of copper material.
8. a kind of vacuum switch tube according to claim 6, it is characterised in that outside the transition rings (4) and the insulation
Shell (1) is welded to connect.
9. a kind of vacuum switch tube according to claim 1 or 2, it is characterised in that solid on one of them described end cap (2)
Surely be equipped with a conducting rod (5), activity is equipped with another conducting rod (5) on another described end cap (2), led described in two
The inner of electric pole (5) is respectively arranged with contact (6), and vacuum fracture is formed between the contact (6) of two conducting rods (5).
10. a kind of vacuum switch, it is characterised in that including claim 1 to 9 any one of them vacuum switch tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134639.4U CN207282395U (en) | 2017-09-06 | 2017-09-06 | A kind of vacuum switch tube and vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134639.4U CN207282395U (en) | 2017-09-06 | 2017-09-06 | A kind of vacuum switch tube and vacuum switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207282395U true CN207282395U (en) | 2018-04-27 |
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ID=61989959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721134639.4U Active CN207282395U (en) | 2017-09-06 | 2017-09-06 | A kind of vacuum switch tube and vacuum switch |
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| Country | Link |
|---|---|
| CN (1) | CN207282395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342185A (en) * | 2017-09-06 | 2017-11-10 | 北京京东方真空电器有限责任公司 | A kind of vacuum switch tube and vacuum switch |
-
2017
- 2017-09-06 CN CN201721134639.4U patent/CN207282395U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342185A (en) * | 2017-09-06 | 2017-11-10 | 北京京东方真空电器有限责任公司 | A kind of vacuum switch tube and vacuum switch |
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