CN209029290U - Inflatable cabinet load switch - Google Patents
Inflatable cabinet load switch Download PDFInfo
- Publication number
- CN209029290U CN209029290U CN201821840456.9U CN201821840456U CN209029290U CN 209029290 U CN209029290 U CN 209029290U CN 201821840456 U CN201821840456 U CN 201821840456U CN 209029290 U CN209029290 U CN 209029290U
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- China
- Prior art keywords
- body portion
- shell
- shaft
- load switch
- interior set
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Abstract
The utility model discloses a kind of inflatable cabinet load switchs, including shell, the intracorporal shaft of shell are arranged in and is arranged on the side wall of shell side for matching the drive sleeve for merging and shaft being driven to rotate with roller end；It is arranged in shell and cooperates for installing one end end of the shaft of moving contact and being formed by the side side wall of drive sleeve and shell; since the interior set body portion of drive sleeve is not connected to mutually with outer sleeve body portion, to form inner cavity mutually isolated; and sealing ring is provided between the outside in outer sleeve body portion and the side wall of shell, the thus fabulous seal protection that ensure that housing cavity；And the fixation of the interior set body portion circumference of shaft and drive sleeve forms cooperation, is easily assembled, and assembly technology is relatively simple, and it is easy to accomplish, the disassembly and installation of shaft can be facilitated, it is easy to repair.
Description
Technical field
The utility model relates to electrical cabinet equipment technical field, in particular to a kind of inflatable cabinet load switch.
Background technique
Inflatable cabinet load switch is the on-load switch using inert gas as arc extinguishing and dielectric, and switch, which has, cut-offs function
Can, fracture voltage allows continuous open and close times more, is suitable for frequent operation, noise is small, no fire danger convenient for being made higher
Danger.In the prior art, on-load switch is mainly made of insulation shell and threephase switch two parts, and wherein threephase switch generally comprises
Driving mechanism, upper static contact, lower static contact, moving contact and grounding contact etc., upper static contact are mounted on insulation shell upper end, under it is quiet
Contact is mounted on insulation shell lower end, and grounding contact setting is arranged in insulation shell side, driving mechanism and insulation shell
Shaft connection, moving contact are arranged in shaft, and are located at lower static contact upper end, driving mechanisms control moving contact and each contact it
Between connection relationship, with realize close a floodgate, separating brake and be grounded three positions rotation.In the prior art, for installing moving contact
Shaft is usually the side inside sidewalls that insulation shell is arranged in one end support, and the other side side wall of the self-insulating shell in one end is worn
Out, this fit structure just proposes higher requirement to the leakproofness between shaft and insulation shell, and existing is mostly simple
It is realized by sealing ring, after long-time use process, easily causes bad seals, and internal arc extinguishing is impacted.And pass through
Shaft directly stretches out installation of the fit structure of housing sidewall in assembly also extremely inconvenience, is unfavorable for the saving in working hour.
Therefore, it is necessary to improve to existing inflatable cabinet load switch, preferable assembly relation is made it have, and can protect
Demonstrate,prove leakproofness.
Utility model content
In view of this, the present invention provides a kind of inflatable cabinet load switchs, with preferable assembly relation, and can protect
Demonstrate,prove sealing performance.
The inflatable cabinet load switch of the utility model, including shell, setting in the intracorporal shaft of shell and are arranged in shell one
Merge the drive sleeve for driving shaft rotation for matching with roller end on the side wall of side；
Drive sleeve includes positioned at the interior set body portion of case inside and integrally formed with interior set body portion and wear from the side wall of shell
Out be used for external connection power part outer sleeve body portion, the inner cavity between interior set body portion and outer sleeve body portion is mutually isolated, the end of shaft with it is interior
Sheath body portion forms circumference and fixes；
The first sealing ring for sealing is provided between the outside in outer sleeve body portion and the side wall of shell.
Further, the outer diameter in the interior set body portion is greater than on the outside of the outer diameter in the outer sleeve body portion and the end in interior set body portion and supports
In the inside sidewalls of the shell.
Further, Gask-O-Seal is provided between the inside sidewalls of shell on the outside of the end in interior set body portion.
Further, the side-wall outer side of shell is formed with bearing block, outer sleeve body portion pass through the bearing that is arranged in bearing block with
Shell formation is rotatably assorted.
Further, step structure is formed on the outside of outer sleeve body portion, the outside of setting and bearing block at corresponding step structure
The second sealing ring for sealing is provided between the step surface of the gland of threaded connection, gland and step structure.
Further, inflatable cabinet load switch further includes at least one moving contact being arranged in shaft, moving contact include with
Shaft formed the fixed locating plate of circumference and locating plate axial sides be respectively arranged one and with dynamic the contacting of shaft housing cooperation
Piece, two moving contacting plates are fixedly clamped by extending transversely through the connector of two moving contacting plates with locating plate formation, in each dynamic contact
It is provided at least one housing connector on the outside of piece and cooperates the disc spring piece of fastening.
The utility model has the beneficial effects that the inflatable cabinet load switch of the utility model, is arranged in shell for installing
One end end of the shaft of moving contact is formed by the side side wall of drive sleeve and shell to be cooperated, due to the interior set body portion of drive sleeve
It is not connected to mutually with outer sleeve body portion and to form that inner cavity is mutually isolated, and be provided with sealing between the outside in outer sleeve body portion and the side wall of shell
Circle, the thus fabulous seal protection that ensure that housing cavity；And the fixed shape of the interior set body portion circumference of shaft and drive sleeve
It at cooperation, is easily assembled, and assembly technology is relatively simple, it is easy to accomplish, the disassembly and installation of shaft can be facilitated, it is easy to repair.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the moving contact structure schematic diagram in the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative positional relationship, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if
When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope in.
The utility model proposes a kind of inflatable cabinet load switchs.
- Fig. 2 referring to Fig.1, Fig. 1 are the utility model overall structure diagram, and Fig. 2 is the moving contact structure in utility model
Schematic diagram, as shown in the figure: the inflatable cabinet load switch of the present embodiment, including shell 1, the shaft being arranged in shell 12 and setting
For matching the drive sleeve 3 for merging and shaft 2 being driven to rotate with 2 end of shaft on 1 side side wall of shell；Drive sleeve 3 includes being located at
The interior set body portion 3-1 of the inside of shell 1 and integrally formed with interior set body portion 3-1 and be pierced by from the side wall of shell 1 for external connection power
The outer sleeve body portion 3-2 of part (specially drive shaft 2 rotates the driving mechanism to realize divide-shut brake), interior set body portion 3-1 and housing
Inner cavity between body portion 3-2 is mutually isolated, and end and the interior set body portion 3-1 of shaft 2 form circumference and fix；Outer sleeve body portion 3-2's is outer
The first sealing ring 4 for sealing is provided between side and the side wall of shell 1.As shown, drive sleeve 3 is an integral molding structure,
It passes through 1 side wall of shell from shell 1 from inside to outside, is provided with the via hole passed through for outer sleeve body portion 3-2, via hole on 1 side wall of shell
Interior setting first sealing ring 4, to form seal protection, the first sealing ring 4, which can be one, to be the two of coaxial arrangement
It is a, the utility model aim can be achieved；Interior set body portion 3-1 is not connected to each other with the inner cavity of outer sleeve body portion 3-2, is realized
Seal isolation.The inner cavity of interior set body portion 3-1 can be polygonal hole, and such as square hole structure, the end of shaft 2 is with interior set body portion 3-1's
Inner cavity is adapted, preferable with the adaptability after realizing quickly connection and assembling, in addition, intracavitary in interior sheath body portion 3-1 also set
It is equipped with vibration isolation rubber circle 5, to be used for vibration damping.In addition, inflatable cabinet load switch further includes having upper static contact, lower static contact, ground connection
Contact and driving mechanism etc. are the prior art, can be configured according to common structure in the prior art and common location,
This is repeated no more.
In the present embodiment, the outer diameter in the interior set body portion is greater than outside outer diameter and the end in interior set body portion in the outer sleeve body portion
Side is butted on the inside sidewalls of the shell.It is close that annular is provided on the outside of the end in interior set body portion between the inside sidewalls of shell 1
Packing 6.
In the present embodiment, the side-wall outer side of shell 1 is formed with bearing block 7, and outer sleeve body portion 3-2 is by being arranged in bearing block 7
Interior bearing 8 is rotatably assorted with the formation of shell 1.It is formed with step structure on the outside of outer sleeve body portion 3-2, is set at corresponding step structure
The gland 9 connecting with the outside screw of bearing block 7 is set, for sealing is provided between gland 9 and the step surface of step structure
Two sealing rings 10, drive sleeve are rotated relative to gland.
In addition, in the prior art, the cooperation between existing moving contact and static contact had pine, cause to contact
Resistance increases, and calorific value is big in operation, so that the pressure between moving contact and static contact declines, contact resistance is with the time
Passage and continue to increase, the degree of poor contact is gradually aggravated, so that cross hot start when electric current is larger and burn, is easy
The damage of the contact site of moving contact and static contact is caused, to bring security risk.To solve this problem, in the present embodiment,
Inflatable cabinet load switch further includes at least one moving contact 11 being arranged in shaft 2, and moving contact includes forming circumference with shaft 2
The fixed locating plate 11-1 and moving contacting plate 11-2 for being respectively arranged one in locating plate axial sides and cooperating with 2 housing of shaft,
Two moving contacting plates are fixedly clamped by extending transversely through the connector 11-3 of two moving contacting plates with locating plate formation, in each dynamic contact
It is provided at least one housing connector on the outside of piece and cooperates the disc spring piece 11-4 of fastening.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (6)
1. a kind of inflatable cabinet load switch, it is characterised in that: in the intracorporal shaft of shell and be arranged in shell one including shell, setting
Merge the drive sleeve for driving shaft rotation for matching with roller end on the side wall of side；
The drive sleeve includes positioned at the interior set body portion of case inside and integrally formed with interior set body portion and wear from the side wall of shell
It is used for the outer sleeve body portion of external connection power part out, the inner cavity between the interior set body portion and the outer sleeve body portion is mutually isolated, and described turn
The end of axis forms circumference with interior set body portion and fixes；
The first sealing ring for sealing is provided between the outside in the outer sleeve body portion and the side wall of the shell.
2. inflatable cabinet load switch according to claim 1, it is characterised in that: the outer diameter in the interior set body portion is greater than described
The inside sidewalls of the shell are butted on the outside of the outer diameter in outer sleeve body portion and the end in interior set body portion.
3. inflatable cabinet load switch according to claim 2, it is characterised in that: the end outside in the interior set body portion and institute
It states and is provided with Gask-O-Seal between the inside sidewalls of shell.
4. inflatable cabinet load switch according to claim 3, it is characterised in that: the side-wall outer side of the shell is formed with axis
Seat is held, the outer sleeve body portion passes through the bearing being arranged in bearing block and is rotatably assorted with shell formation.
5. inflatable cabinet load switch according to claim 4, it is characterised in that: be formed with platform on the outside of the outer sleeve body portion
Stage structure corresponds to the gland for being arranged at the step structure and connecting with the outside screw of bearing block, the gland and step structure
Step surface between be provided with the second sealing ring for sealing.
6. inflatable cabinet load switch according to claim 5, it is characterised in that: the inflatable cabinet load switch further includes setting
At least one moving contact in shaft is set, the moving contact includes the fixed locating plate of circumference being formed with shaft and in locating plate
Axial sides are respectively arranged one and the moving contacting plate with the cooperation of shaft housing, and two moving contacting plates dynamic are connect by extending transversely through two
The connector of contact is fixedly clamped with locating plate formation, and the connection of at least one housing is provided on the outside of each moving contacting plate
Part and the disc spring piece for cooperating fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821840456.9U CN209029290U (en) | 2018-11-09 | 2018-11-09 | Inflatable cabinet load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821840456.9U CN209029290U (en) | 2018-11-09 | 2018-11-09 | Inflatable cabinet load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209029290U true CN209029290U (en) | 2019-06-25 |
Family
ID=66909187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821840456.9U Active CN209029290U (en) | 2018-11-09 | 2018-11-09 | Inflatable cabinet load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209029290U (en) |
-
2018
- 2018-11-09 CN CN201821840456.9U patent/CN209029290U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |