CN203377120U - A protective device for an extension rotation handle and the extension rotation handle - Google Patents
A protective device for an extension rotation handle and the extension rotation handle Download PDFInfo
- Publication number
- CN203377120U CN203377120U CN201320492828.4U CN201320492828U CN203377120U CN 203377120 U CN203377120 U CN 203377120U CN 201320492828 U CN201320492828 U CN 201320492828U CN 203377120 U CN203377120 U CN 203377120U
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- capsul
- action bars
- rotary handle
- seal casinghousing
- extension
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Abstract
The utility model provides a protective device for an extension rotation handle and the extension rotation handle comprising the protective device. The protective device comprises a sealing gasket and a sealing shell. The sealing gasket is installed to a handle panel of the extension rotation handle and comprises a through hole allowing an operation rod of the extension rotation handle to pass through. The sealing shell can be installed with the operation rod passing therethrough and comprises a sealing shell body and a sealing shell installing component. In the operation status of the extension rotation handle, the sealing shell body is in tight fit with the sealing gasket so that the extension rotation handle is sealed, and the sealing shell body can rotate with respect to the sealing gasket along with the operation rod. The protective device suitable for the extension rotation handle is provided, which is simple in structure and low in cost and can provide effective protection.
Description
Technical field
Embodiment of the present disclosure relates to the rotary handle for switchgear operation, relates more specifically to a kind of protector for the extension rotary handle and the extension rotary handle that comprises this protector.
Background technology
At present, rotary handle has been widely used in the switchgear such as circuit breaker is carried out to manual operation.Rotary handle both can be directly installed on the switchgear in switch cubicle, also can be arranged on the cabinet door of switch cubicle by extending action bars.Rotary handle generally includes an axostylus axostyle, and this axostylus axostyle can connect so that switching devices is operated with switchgear.At mode of operation, this rotary handle can be by operating personnel's manual operation to rotate between the scram position at electric equipment and make position, the axostylus axostyle of rotary handle will rotate together along with rotary handle, and then the switchgear of the other end that is connected in axostylus axostyle is operated.And at needs by rotating handle lock regularly, for example, while overhauling, can rotary handle be locked by padlock, to forbid the operation of switching devices.
Especially, the rotary handle be arranged on the cabinet door of switch cubicle can be called the extension rotary handle, and it is connected with the extension action bars behind, and this extends action bars and further connects with the switchgear in switch cubicle.Although the rotary handle of installing in the basic structure of extension rotary handle and cabinet is basic identical, the use of extending action bars make its waterproof and dustproof realization more much more difficult than the rotary handle of installing in cabinet.
For purposes of illustration, exemplarily show the structure of a kind of extension rotary handle of the prior art in Fig. 1.As shown in Figure 1, this rotary handle 100 comprises handle head 110, handle panel 120, extension action bars 130, lockhole 140, knob 150 and operation-interface 160.Handle head 110 can grip for operating personnel's hand, in order to described rotary handle 100 is rotated to operation.An end that extends action bars 130 is connected with operation-interface 160, and then is connected with the switchgear such as circuit breaker in switch cubicle.Shown in Fig. 1 in, the other end that extends action bars 130 is covered by handle head 110.One end of the extension action bars 130 covered by handle head 110 connects with handle head in the inside of handle head 110, in order to drive extension action bars 130 when handle head 110 rotates, rotates together, thus console switch equipment.Knob 150 is for being operated in scram position, to expose lockhole 140, in order to can lock rotary handle and then forbid the operation to rotary handle.Simultaneously, at rotary handle 100, during in scram position, the cabinet door of switch cubicle can be opened, now, extend end that action bars 130 connects with handle head will with handle head 110 disengagings.
For this extension rotary handle, when the cabinet door is opened, extend action bars and break away from handle head, so it to be for the rotary handle of installing in cabinet, difficult sealing is with realization.At present, in prior art, still do not exist for sealing simple, the feasible scheme of extension rotary handle.For this reason, in the art, there is the demand for the technical scheme of sealing extension rotary handle.
The utility model content
In view of this, the extension rotary handle that the disclosure provides a kind of protector for the extension rotary handle and comprised this protector, to overcome or to alleviate at least a portion defect existed in the rotary handle of prior art.
According to a first aspect of the invention, provide a kind of protector for the extension rotary handle.Described protector can comprise: sealing gasket, and it is suitable for being mounted to the handle panel of described extension rotary handle, and has the through hole that the action bars for described extension rotary handle therefrom passes through; And capsul, it is suitable for installing through described action bars, and comprise seal casinghousing and capsul installing component, wherein at the mode of operation of described extension rotary handle, described seal casinghousing and described sealing gasket closely cooperate to seal described extension rotary handle, and described capsul physical efficiency is along with described action bars rotates with respect to described sealing gasket.
In one embodiment according to the present invention, described protector may further include sealing ring and sealing ring pressing plate, wherein said sealing ring can with described action bars interference fit, and described sealing ring pressing plate can be configured to described sealing ring is fixed on the top of described seal casinghousing.
According in another embodiment of the present invention, described capsul installing component can comprise the capsul mount pad, and described capsul mount pad can comprise the link that engages with described seal casinghousing, the through hole therefrom passed for described action bars and for described seal casinghousing being mounted to the fixed part of described action bars.
In an execution mode more according to the present invention, described fixed part can comprise a plurality of pawls that extend along described action bars direction from the through hole of described capsul installing component.
According in another embodiment of the invention, described seal casinghousing can link together in the buckle mode with described capsul installing component.
According in another embodiment of the present invention, described seal casinghousing can slidably be connected with described capsul installing component.
In an execution mode more according to the present invention, described protector can also comprise spring, and described spring is assemblied between described seal casinghousing and described capsul installing component.
According in another embodiment of the invention, described sealing gasket can have pad and from the ledge of described pad upper process, described pad comprises described sealing gasket installing component, and the through hole of described sealing gasket is arranged in described ledge, and described ledge comprises the contact portion with described seal casinghousing close contact.
According in another embodiment of the present invention, described capsul can be put upside down flat bowl-shape, has a groove at the top of described capsul, and described sealing ring cover plate and described sealing ring are assemblied in described groove.
According to second aspect of the present disclosure, provide a kind of extension rotary handle.Described extension rotary handle can comprise according to the described protector of arbitrary execution mode in first aspect of the present disclosure.
By embodiment of the present disclosure, a kind of protector that is suitable for the extension rotary handle can be provided, it is simple in structure, with low cost and can realize effective protection.
The accompanying drawing explanation
Also with reference to following detailed description, the feature of each execution mode of the disclosure, advantage and other aspects will become more obvious, run through whole accompanying drawing by reference to the accompanying drawings, same reference numerals indication identical or similar components or parts, and in the accompanying drawings:
The perspective view of the outward appearance of the schematically illustrated extension rotary handle of the prior art of Fig. 1;
Fig. 2 is schematically illustrated is equipped with the perspective view according to the outward appearance of the extension rotary handle of protector of the present utility model
Schematically illustrated another perspective view be equipped with according to the extension rotary handle of protector of the present utility model of Fig. 3;
The schematically illustrated perspective view that the extension action bars of capsul is installed of Fig. 4; And
The explosive view of the extension action bars of capsul is installed shown in the schematically illustrated Fig. 4 of Fig. 5.
Embodiment
Hereinafter, describe each illustrative embodiments of the present disclosure in detail with reference to accompanying drawing.It should be noted that these accompanying drawings and describing what relate to is only the preferred implementation as example.Should be noted that, according to describing subsequently, be easy to dream up the replacement execution mode of structure disclosed herein and method, and can use these alternate embodiments in the situation that do not break away from the principle of the claimed utility model of the disclosure.
Should be appreciated that providing these illustrative embodiments is only in order to make those skilled in the art can understand better and then realize the disclosure, and not limit by any way the scope of the present disclosure.
In addition, the term used herein " on ", D score, " top ", " end " " left side ", " right side ", 'fornt', 'back' directional terms be the purpose for indication, the direction of seeing when it refers to perpendicular to paper direction observation accompanying drawing.In the situation that in the direction of figure or figure, the direction of object changes, these terms likely also need corresponding change.
Next, will at first referring to figs. 2 to Fig. 5, describe according to the protector for the extension rotary handle of an execution mode of the present disclosure and the extension rotary handle that comprises this protector.
At first, with reference to figure 2, Fig. 2 is schematically illustrated is equipped with the perspective view according to the outward appearance of the extension rotary handle of protector 200 of the present utility model.As shown in Figure 2, on extension rotary handle 100 ', be equipped with for the seal rotary handle to realize waterproof and dustproof protector 200.This protector 200 comprises sealing gasket 210 and capsul 220.Wherein sealing gasket 210 is suitable for being assemblied in the handle panel 120 (especially, being suitable for being assemblied in its back) of extension rotary handle 100 ', and capsul 220 is suitable for being assemblied on extension action bars 130.As shown in the figure, at the cabinet door of switch cubicle, during in closure state, sealing gasket 210 is with described capsul 220 close contacts to realize the sealing to full wind-up, and capsul 220 can rotate together along with extending action bars 130 simultaneously.That is to say, capsul 220 can be rotated with respect to sealing gasket 210, has again and can guarantee sealing property simultaneously.
Fig. 3 shows another perspective view be equipped with according to the extension rotary handle of protector 200 of the present utility model.This perspective view clearly show that engaging between capsul and sealing gasket more.With reference to figure 3, when when extending axially the looking over of action bars, sealing gasket 210 has and the essentially identical shape in the back of handle panel, substantially square.Sealing pad 210 has pad 212 and the ledge 214 from described pad 212 to lower convexity of substantially flat.When the end on observation from the extension action bars, ledge 214 has rounded periphery.Include a plurality of installing hole 212a-d (in figure be 4, one of them is not shown owing to being blocked) on pad 212.By the fastener such as screw, sealing gasket 210 can be installed on handle panel 120 (corresponding installing hole is also arranged on it).Ledge 214 heart position therein comprises that its diameter is suitable for the through hole 218 that action bars therefrom passes.This ledge 214 also comprises a contact surface towards capsul 216, in the end face of ledge 214, removes the part outside through hole 218, is shown as the lower surface of jut 214 in Fig. 3.When the cabinet door is closed, this contact surface 216 will be arranged on the contact surface (being illustrated as top surface) that extends the capsul 220 on action bars and contact and closely cooperate.
After sealing gasket 210 is mounted to the handle panel, just can guarantee the have sealing of extension rotary handle in other parts except through hole, the through hole 218 of ledge 214 cores is unique possible entrances of water, dirt etc.According to the embodiment of the present invention, mode of operation at rotary handle, this entrance will be airtight by capsul 220, and when the cabinet door is opened, because sealing gasket 210 and capsul 220 are mounted respectively to handle panel and action bars, thereby action bars will break away from the handle head of rotary handle by the through hole 218 provided in sealing gasket 210, sealing gasket will separate with capsul.
Next, describe the concrete structure of the capsul 220 shown in Fig. 3 in detail with reference to Fig. 4 and Fig. 5, the wherein schematically illustrated perspective view that the extension action bars of capsul is installed of Fig. 4, and the explosive view that the extension action bars of capsul is installed shown in the schematically illustrated Fig. 4 of Fig. 5.
As shown in Figure 4, capsul 220 is installed on and extends on action bars 130, and extension action bars 130 passes therethrough.Capsul 220 can comprise seal casinghousing 230 and capsul mount pad 240.Seal casinghousing 230 and capsul mount pad 240 are by for example being clasped and linking together.Sealing ring 260 (not shown in Figure 4 owing to being covered) is installed on seal casinghousing 230.Sealing circle 260 is by the fastener 254a such as screw and 254b and sealed circle pressing plate 250 is fixed in the top of seal casinghousing 230.This clearly show that in Fig. 5.
With reference to figure 5, it is inverted bowl-shape that seal casinghousing 230 is on the whole, and its top has the depression 231 of a circle, has the square through hole 232 coordinated with extension action bars 130 in the middle of this depression 231.Sealing ring 260 have with this groove 231 be complementary round-shaped.In addition, at the center position of sealing ring 260, there is a through hole 262, therefrom pass in order to extend action bars 230.Different from the through hole 252,232 arranged in sealing ring cover plate 250, seal casinghousing 230, the size of this through hole 262 is slightly smaller than the size of extending action bars, so as with extend action bars 130 interference fit, thereby realize sealing function.The size of sealing circle 260 is designed to be suitable and is arranged in this depression, for example can be by screw 254a and 254b and sealing ring cover plate 250 and by sealing ring 250 glands in the groove at seal casinghousing 230 tops.
In the bottom of capsul mount pad 240, also there is a through hole passed for the extension action bars.Sealing shell mount pad 240 also has from this through hole upwards or along axially extended four the pawl 246a-246d that extend action bars in addition.Each in these four pawl 246a-246d has respectively a protrusion on the surface towards extending action bars, this protrusion can be arranged on the pilot hole 136a-136d (only showing 136a and 136b in Fig. 5 owing to being blocked) extended in action bars in a corresponding cooperation.Like this, make when the protrusion by this pawl 246a-246d is installed to the pilot hole 136a-136d that extends action bars, the action bars mount pad can be fixed on action bars.
In addition, in the time of on seal casinghousing 230 being arranged on to the extension action bars, need to install in position to guarantee that sealing gasket 210 and capsul 220 can coordinate well when the cabinet door is closed, making both counterrotatingly also will realize sealing purpose simultaneously.If capsul is installed to obtain the too approaching action bars end that will engage with handle head, may cause and coordinate tension to make relative rotation difficulty, thereby cause the operational issue of rotary handle.What is more, even likely cause the cabinet door to close obstacle.If capsul, too away from above-mentioned action bars end, possibly can't be realized the sealing purpose of expection.Therefore this means for capsul and install and there is comparatively strict requirement.This certainly can be by for example improving for the parts precision, and mark adjustment notch on action bars, or relate to limiting component etc. realize on action bars.Yet it should be apparent that, these modes are to have the lower cost benefit.For this reason, a kind of mode that can tolerate alignment error and part dimension error has been proposed in the disclosure.
According to certain embodiments of the present invention, seal casinghousing 230 is connected in the mode that can slide with capsul mount pad 240.For example, can must be higher by the height design in hole corresponding with buckle on seal casinghousing, so that for buckle is provided at the space wherein slided up and down, thereby provide sliding motion between seal casinghousing 230 and capsul mount pad 240.Simultaneously, an elastomeric element such as spring 270 can be set between seal casinghousing 230 and capsul mount pad 240, so that, between the start position and final position of the slidably position of seal casinghousing 230 and capsul mount pad 240, spring 270 is all the time in stress state.Like this, when the cabinet door is closed, seal casinghousing 230 and capsul mount pad 240 can be taked a suitable relative position according to the actual installation position.In this way, can lower the required precision that parts manufacture, parts are installed.
In conjunction with concrete example, described and the invention provides for the protector of extension rotary handle and the extension rotary handle that comprises this protector hereinbefore.This protector is the independent protection mechanism that can be mounted to the extension rotary handle, and it can be used as an individual components and additionally is arranged on existing rotary handle, or at optional accessory as rotary handle or standard accessory.In addition, this protector is configured to be arranged on the action bars of extension full wind-up back, and it can not take space valuable in too many switch cubicle, can not cause the variation of switch cubicle size yet.And more particularly, this protective device structure is simple, with low cost, and can realize the degree of protection of IP66.
In superincumbent description, the pad of sealing gasket 210 has and the basic identical external shape of handle panel 120 and size.Yet it will be understood by those skilled in the art that and also likely adopt other external shape and size, as long as sealing gasket 210 can be arranged on to the effective sealing that handle panel 120 backs provide other parts except through hole simultaneously.In addition, in superincumbent description and accompanying drawing, there are four installing holes on the pad of sealing gasket 210, in fact the number of this installing hole is not limited to this, can be still less or more, as long as the effective sealing of other parts except through hole is provided when sealing gasket 120 can be arranged on to handle panel 210 back.
In addition, it should be noted that, in description above, the contact surface of the sealing gasket 210 contacted with capsul 220 is ring plains, and the surface of the capsul 220 contacted with sealing gasket 210 is the annular surface with certain angle of inclination.It should be noted that, the present invention is not limited thereto, and the shape of two contact surfaces is likely exchanged.In fact, make two contact surfaces relatively to rotate and realize that any contact-making surface shape of effective sealing is all feasible simultaneously.
Those skilled in the art it will also be understood that, in superincumbent description, sealing ring 260 has round-shaped, but the present invention is not limited thereto.On the contrary, sealing ring 260 can adopt other shapes, and the size of sealing ring also can change, as long as can realize effective sealing.
In superincumbent description, seal casinghousing 230 has respectively two buckles and two through holes with capsul mount pad 240.In fact the present invention is not limited thereto, and this number can change, such as three or more.In addition, also likely adopt other modes except being clasped that capsul object and capsul mount pad are assembled.In addition, the concave shape in seal casinghousing also is not limited to the circle illustrated, and any other suitable shape is all feasible.
Also it should be noted that, provided the example of carrying out secure component about screw device in the disclosure, in fact the present invention also can adopt any other mode to fix corresponding component.In addition, the present invention mainly is described in conjunction with the extension rotary handle shown in Fig. 1, and in fact the present invention is not limited to any specific rotary handle structure.The present invention also likely is applied to other suitable extension rotary handles.
Should be appreciated that from foregoing description and can modify, change and combine each execution mode of the present disclosure in the situation that do not break away from disclosure true spirit.Description in this specification is only used for illustrative, and should not be considered to restrictive.The scope of the present disclosure only is subject to the restriction of appended claims.
Claims (10)
1. the protector for the extension rotary handle, is characterized in that, described protector comprises:
Sealing gasket, it is suitable for being mounted to the handle panel of described extension rotary handle, and has the through hole that the action bars for described extension rotary handle therefrom passes through; And
Capsul, it is suitable for installing through described action bars, and comprises seal casinghousing and capsul installing component,
Wherein, at the mode of operation of described extension rotary handle, described seal casinghousing and described sealing gasket closely cooperate to seal described extension rotary handle, and described capsul physical efficiency is along with described action bars rotates with respect to described sealing gasket.
2. protector according to claim 1, it is characterized in that, further comprise sealing ring and sealing ring pressing plate, wherein said sealing ring and described action bars interference fit, and described sealing ring pressing plate is configured to described sealing ring is fixed on the top of described seal casinghousing.
3. protector according to claim 1, it is characterized in that, described capsul installing component comprises the capsul mount pad, and described capsul mount pad comprises the link that engages with described seal casinghousing, the through hole therefrom passed for described action bars and for described seal casinghousing being mounted to the fixed part of described action bars.
4. protector according to claim 3, is characterized in that, described fixed part comprises a plurality of pawls that extend along described action bars direction from the through hole of described capsul installing component.
5. protector according to claim 1, is characterized in that, described seal casinghousing and described capsul installing component link together in the buckle mode.
6. protector according to claim 1, is characterized in that, described seal casinghousing slidably is connected with described capsul installing component.
7. protector according to claim 6, is characterized in that, also comprises spring, and described spring is assemblied between described seal casinghousing and described capsul installing component.
8. protector according to claim 1, it is characterized in that, described sealing gasket has pad and from the ledge of described pad upper process, described pad comprises described sealing gasket installing component, and the through hole of described sealing gasket is arranged in described ledge, and described ledge comprises the contact portion with described seal casinghousing close contact.
9. protector according to claim 2, is characterized in that, described capsul is put upside down flat bowl-shape, has a groove at the top of described capsul, and described sealing ring cover plate and described sealing ring are assemblied in described groove.
10. an extension rotary handle, is characterized in that, comprises according to claim 1 to the 9 described protector of any one wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492828.4U CN203377120U (en) | 2013-08-13 | 2013-08-13 | A protective device for an extension rotation handle and the extension rotation handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492828.4U CN203377120U (en) | 2013-08-13 | 2013-08-13 | A protective device for an extension rotation handle and the extension rotation handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203377120U true CN203377120U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320492828.4U Expired - Lifetime CN203377120U (en) | 2013-08-13 | 2013-08-13 | A protective device for an extension rotation handle and the extension rotation handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203377120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278678A (en) * | 2018-03-15 | 2019-09-24 | 深圳市三诺数字科技有限公司 | A kind of sealing structure |
-
2013
- 2013-08-13 CN CN201320492828.4U patent/CN203377120U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278678A (en) * | 2018-03-15 | 2019-09-24 | 深圳市三诺数字科技有限公司 | A kind of sealing structure |
| CN110278678B (en) * | 2018-03-15 | 2024-04-02 | 深圳市三诺数字科技有限公司 | Sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |
|
| CX01 | Expiry of patent term |