CN106357042B - For the sealing structure of outlet box installation and with its electric appliance - Google Patents
For the sealing structure of outlet box installation and with its electric appliance Download PDFInfo
- Publication number
- CN106357042B CN106357042B CN201610817949.XA CN201610817949A CN106357042B CN 106357042 B CN106357042 B CN 106357042B CN 201610817949 A CN201610817949 A CN 201610817949A CN 106357042 B CN106357042 B CN 106357042B
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- China
- Prior art keywords
- sealing
- outlet box
- casing
- electric appliances
- box installation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
Abstract
Provided by the present invention for the sealing structure of outlet box installation, wherein, outlet box is equipped with sealing around line outlet with casing for electric appliances contact surface, casing for electric appliances is equipped with and the matched sealing fit portion of the sealing, there is gap, filling with sealant layer in the gap between the sealing and the sealing fit portion.The above-mentioned electric appliance for the sealing structure of outlet box installation and with it, outlet box are contacted with casing for electric appliances by sealant layer, and contact surface is no longer plane contact, has separated the immersion path for immersing medium, has improved leakproofness.At the same time, the present invention also eliminates gasket seal or this kind of sealing element of sealing ring, the problem of aging or the loss problems in assembling process for avoiding this kind of sealing element.In addition, saving a sealing element between sealing of the present invention and sealing fit portion, and it is not necessarily to high-precision size, surface smoothness and positioning requirements in processing, is not necessarily to secondary finishing, reduces manufacture difficulty, production cost.
Description
Technical field
The present invention relates to field of sealing technology, more particularly to a kind of sealing structure for outlet box installation and with its electricity
Device.
Background technique
Servo motor category precision electric motor, when application, are relatively high to the protection level requirements of motor, especially motor interior coding
The precise parts such as device need to avoid the intrusion effect of impurity, sand and dust, steam etc..In motor power-supply wire lead-out wire and/or encoder
The part of line lead-out wire, mostly uses the mode of outlet box, and outlet box is locked on electric machine casing by fastening screw.Please refer to figure
Shown in 1 and Fig. 2, for the sealing between outlet box and electric machine casing, two schemes are mostly used greatly now, one is in outlet box
Between electric machine casing plus a gasket seal is buried one is groove is processed on the bottom surface that outlet box is contacted with electric machine casing
Enter sealing ring.Both of which is so that gasket seal or sealed ring deformation is reached sealing effect by locking fastening screw.Now
Two kinds of sealing means, sealing surface is all an entire plane, in the case where the roughness of sealing surface is poor, gasket seal or close
The deformation of seal may be not enough to be filled up completely sealing surface injustice at, might have under long term medium such as steam etc. into
Enter into outlet box, when medium is there are when certain pressure, this immersion can be accelerated.Simultaneously as having had more a part: sealing
Gasket or sealing ring, and mostly rubber parts, to gasket seal or sealing ring high-precision processing and fabricating, there is also certain difficulty.Separately
Outside, using the encapsulation scheme of gasket seal, due to having the part being exposed in air, be used for a long time will appear always gasket seal
Change phenomenon, reduces sealing performance., there is sealing ring when taking outlet box in assembling process and fall in the encapsulation scheme of embedded sealing ring
It falls and indetectable drawback.
Summary of the invention
Based on this, it is necessary to seal problem vulnerable or that accessory difficulty of processing is high for existing outlet box, provide one kind
For the sealing structure of outlet box installation and with its electric appliance.
Provided by the present invention for the sealing structure of outlet box installation, wherein the outlet box and casing for electric appliances contact surface
Around line outlet be equipped with sealing, casing for electric appliances be equipped with the matched sealing fit portion of the sealing, the sealing with it is described
There is gap, filling with sealant layer in the gap between sealing fit portion.
In one of them embodiment, the sealing includes bulge-structure and/or groove structure, the sealing cooperation
Portion includes making the sealing with the bulge-structure and/or the matched groove structure of groove structure size and/or bulge-structure
There is gap between the sealing fit portion.
In one of them embodiment, the bulge-structure outer surface or the groove structure inner surface are rough surface.
In one of them embodiment, the bulge-structure section is trapezoidal, rectangle, semicircle or triangle.
In one of them embodiment, the corner of the bulge-structure is chamfering.
In one of them embodiment, the outlet box is surrounded by skirt, the skirt with casing for electric appliances contact surface
Side bottom is abutted with the casing for electric appliances.
In one of them embodiment, the outlet box includes at least two sealings, at least two sealing
Along the outlet box width direction is adjacent or the setting that connects.
In one of them embodiment, at least two sealings structure is not identical.
The present invention also provides a kind of electric appliances, wherein the electric appliance includes outlet box as described above.
The electric appliance includes motor and generator in one of the embodiments,.
The above-mentioned electric appliance for the sealing structure of outlet box installation and with it, outlet box are laid out with casing for electric appliances contact surface
Line mouth is equipped with sealing, casing for electric appliances be equipped with the matched sealing fit portion of the sealing, sealing and sealing fit portion it
Between there is gap, filling with sealant layer in gap.Outlet box is contacted with casing for electric appliances by sealant layer, and contact surface is no longer flat
Face contact has separated the immersion path for immersing medium, has improved leakproofness.At the same time, the present invention also eliminates gasket seal
Or this kind of sealing element of sealing ring, the problem of aging or the loss problems in assembling process for avoiding this kind of sealing element.In addition,
A sealing element is saved between sealing of the present invention and sealing fit portion, and high-precision size, table are not necessarily in processing
Surface evenness and positioning requirements are not necessarily to secondary finishing, reduce manufacture difficulty, production cost.
The above-mentioned electric appliance for the sealing structure of outlet box installation and with it, outlet box and casing for electric appliances contact surface surrounding
Equipped with skirt, skirt bottom is abutted with casing for electric appliances, which plays guiding function to intrusion medium, prevents its product at outlet box
It deposits, and then it is avoided to invade inside electric appliance by outlet box bottom.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one recorded in the present invention
A little embodiments are also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is that outlet box and casing for electric appliances gasket seal diagrammatic cross-section in the prior art；
Fig. 2 is that outlet box and casing for electric appliances sealing ring seal diagrammatic cross-section in the prior art；
Fig. 3 is outlet box of the present invention and casing for electric appliances sealing structure diagrammatic cross-section；
Fig. 4 is enlarged diagram at A in Fig. 3；
Fig. 5 is that outlet box shown in Fig. 4 and casing for electric appliances seal exploded view.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples, it and combines attached
The sealing structure for outlet box installation and the electric appliance with it of the invention is further elaborated in figure.It should manage
Solution, described herein specific examples are only used to explain the present invention, is not intended to limit the present invention.
Refering to Figure 1, be that outlet box 110 and 120 gasket of casing for electric appliances seal diagrammatic cross-section in the prior art,
Gasket 130 is lined between outlet box 110 and casing for electric appliances 120, outlet box 110 is fixed by screws on casing for electric appliances 120,
Screw compresses outlet box 110 so that being deformed gasket 130 reaches sealing effect.The sealing surface of this sealing means is
One plane, sealing effect are influenced by the flatness and roughness of sealing surface, when sealing surface out-of-flatness or it is coarse when, sealing
Pad 130 can not be in close contact with outlet box 110 or casing for electric appliances 120, to influence sealing effect.In addition, gasket 130 has portion
Divide and be exposed in air, gasket 130, which is used for a long time, will appear aging effect, thereby reduce outlet box 110 and casing for electric appliances
120 sealing effect.
It please refers to shown in Fig. 2, is that outlet box 110 and 120 sealing ring of casing for electric appliances seal diagrammatic cross-section in the prior art,
Outlet box 110 opened up with 120 contact position of casing for electric appliances it is fluted, sealing ring 140 be embedded to groove in, need opened up groove with
And the size of sealing ring 140 accurately matches, size, which does not match that, is unable to reach sealing effect, in addition, sealing ring 140 is filling
With being easy to fall from outlet box 110 in the process and being not easy to find, outlet box 110 and casing for electric appliances 120 can not be very after assembly
It is sealed well.
The sealing surface of outlet box 110 and casing for electric appliances 120 is all plane in above-mentioned existing scheme, can not block Jie well
Matter invades the intrusion route of casing for electric appliances 120, and in medium, there are be easy to when pressure by the safety of medium intrusion effect electric appliance
Energy.
It please refers to shown in Fig. 3 to Fig. 5, a preferred embodiment of the invention is to contact in outlet box 210 with casing for electric appliances 220
Face is equipped with sealing 211 around line outlet, which is rectangular recess structure；Casing for electric appliances 220 and outlet box 210 seal
211 relative position of portion is equipped with rectangular preiection structure as sealing fit portion 221, when outlet box 210 is installed on casing for electric appliances 220
When upper, the rectangular recess structural cover of outlet box 210 is buckled in the rectangular preiection structure of casing for electric appliances 220, and rectangular recess structure
There are gaps between rectangular preiection structure, it is preferred that the corner of rectangular preiection structure and rectangular recess structure is chamfering.?
In gap can filling with sealant to form sealant layer 230.
When outlet box 210 is installed, after suitable sealant is smeared in rectangular recess structure, rectangular recess structure is fastened
Outlet box 210 is fixed on casing for electric appliances 220 in rectangular preiection structure and through fastener.Due to the square of outlet box 210
Need there are gaps to be in contact between connected in star structure and the rectangular preiection structure of casing for electric appliances 220 without smooth, therefore for
For the size of rectangular recess structure and rectangular preiection structure, it is not necessarily to very high machining accuracy；In addition, due to gap it
Between sealant layer 230 prepared by filling with sealant, sealant is in flow regime when due to filling, flat for the surface in gap
Whole degree is of less demanding, even if rough surface nor affects on sealant layer 230 and closely contacts with the face seal in gap, therefore right
For the surface smoothness of rectangular recess structure and rectangular preiection structure, it is also not necessarily to very high machining accuracy.Rectangular recess
Structure and rectangular preiection structure can be generated by mold, can also be not necessarily to later period etched recesses structure or spot welding bulge-structure
Secondary finishing is carried out again.
The of the invention sealing structure installed for outlet box 210, increase sealant layer 230 and outlet box 210 and
The contact area of casing for electric appliances 220, can be further improved leakproofness.In addition, close between outlet box 210 and casing for electric appliances 220
Cover is no longer an entire plane, but a tortuous face, can separate the immersion path for immersing medium water etc., avoid
Intrusion medium invades inside electric appliance there are pressure.Even if close using sealant sealing progress in an entire plane
Envelope, but its sealant can be only formed a very thin sealant layer 230, contact area is small, is in addition also easy poorly sealed close.
It is of the invention since there are gaps, enough sealants can be accommodated and form certain thickness sealant layer 230, sealant
Layer 230 is not only bonded between outlet box 210 and casing for electric appliances 220, is also had certain elastic deformation, is not easy in outlet
Sealing effect reduces when box 210 loosens.
Preferably, the surrounding of outlet box 210 and 220 contact surface of casing for electric appliances is additionally provided with skirt 212,212 bottom of skirt with
Casing for electric appliances 220 abuts.The liquid mediums such as such as water can be oriented to the direction far from outlet box 210 by skirt 212, and liquid is avoided to be situated between
Matter, which accumulates in outlet box 210 and 220 contact position of casing for electric appliances, influences leakproofness.
As optional embodiment, 210 sealing 211 of outlet box can be bulge-structure, and the sealing of casing for electric appliances 220 is matched
Conjunction portion 221 is groove structure accordingly.
As optional embodiment, 221 surface of sealing fit portion of 210 sealing 211 of outlet box and casing for electric appliances 220
Equipped with micrograined texture, to increase the adhesion strength of sealant Yu sealing 211 and sealing fit portion 221.
As optional embodiment, the section of 210 sealing 211 of outlet box may be trapezoidal, semicircle or triangle.
As optional embodiment, outlet box 210 is equipped with more than two sealings 211,211 knot of two or more sealing
Structure is different, such as can be the groove structure of two different depths and/or width, is also possible to a groove structure and one convex
Structure is played, more than two sealings 211 are adjacent or the setting that connects, the gap formed between sealing 211 and casing for electric appliances 220
It can be connected to or be not connected to.The tortuosity of sealing surface and sealing surface can be increased equipped with more than two sealings 211,
To further increase leakproofness.
The present invention also provides a kind of electric appliances, such as motor or generator, in the power supply line outlet of motor or generator
Mouth is equipped with the above-mentioned sealing structure installed for outlet box 210.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. the sealing structure for outlet box installation, which is characterized in that outlet box (210) and casing for electric appliances (220) contact surface around
Line outlet is equipped with sealing (211), and casing for electric appliances (220) is equipped with and the sealing (211) matched sealing fit portion
(221), there is gap, filling with sealant layer in the gap between the sealing (211) and the sealing fit portion (221)
(230), the sealing (211) includes bulge-structure and/or groove structure, the sealing fit portion (221) include with it is described
Bulge-structure and/or the matched groove structure of groove structure size and/or bulge-structure make the sealing (211) with it is described close
Sealing has the gap between auxiliary section (221), the outlet box (210) is surrounded by with casing for electric appliances (220) contact surface
Skirt (212), skirt (212) bottom are abutted with the casing for electric appliances (220).
2. the sealing structure according to claim 1 for outlet box installation, which is characterized in that the bulge-structure appearance
Face or the groove structure inner surface are rough surface.
3. the sealing structure according to claim 1 for outlet box installation, which is characterized in that the bulge-structure section
For trapezoidal, rectangle, semicircle or triangle.
4. the sealing structure according to claim 1 for outlet box installation, which is characterized in that the side of the bulge-structure
Angle is chamfering.
5. the sealing structure according to claim 1 for outlet box installation, which is characterized in that the outlet box (210)
Including at least two sealings (211), at least two sealing (211) is adjacent along the outlet box width direction or connects
Setting.
6. the sealing structure according to claim 5 for outlet box installation, which is characterized in that at least two sealing
Portion (211) structure is not identical.
7. a kind of electric appliance, which is characterized in that the electric appliance includes to be used for outlet box as claimed in any one of claims 1 to 6
(210) sealing structure installed.
8. electric appliance according to claim 7, which is characterized in that the electric appliance includes motor and generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610817949.XA CN106357042B (en) | 2016-09-12 | 2016-09-12 | For the sealing structure of outlet box installation and with its electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610817949.XA CN106357042B (en) | 2016-09-12 | 2016-09-12 | For the sealing structure of outlet box installation and with its electric appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106357042A CN106357042A (en) | 2017-01-25 |
| CN106357042B true CN106357042B (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610817949.XA Active CN106357042B (en) | 2016-09-12 | 2016-09-12 | For the sealing structure of outlet box installation and with its electric appliance |
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| Country | Link |
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| CN (1) | CN106357042B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489209A (en) * | 2021-07-16 | 2021-10-08 | 珠海格力电器股份有限公司 | Motor seal assembly and motor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206041717U (en) * | 2016-09-12 | 2017-03-22 | 珠海格力节能环保制冷技术研究中心有限公司 | A electrical apparatus that is used for seal structure of outlet box installation and has it |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2935601Y (en) * | 2006-07-14 | 2007-08-15 | 联合汽车电子有限公司 | Stepping motor assembly |
| CN201975892U (en) * | 2011-04-15 | 2011-09-14 | 淮安信息职业技术学院 | Steel-plate-structured motor |
| CN202405914U (en) * | 2011-12-08 | 2012-08-29 | 上海邦浦实业集团有限公司 | Novel submersible motor with labyrinth seal cover |
| CN203104176U (en) * | 2012-12-06 | 2013-07-31 | 宁波安信数控技术有限公司 | Seal structure for air-cooled motor |
| CN204191065U (en) * | 2014-11-12 | 2015-03-04 | 东方久乐汽车电子（上海）有限公司 | A kind of hermetically-sealed construction of controller for vacuum pump |
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- 2016-09-12 CN CN201610817949.XA patent/CN106357042B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206041717U (en) * | 2016-09-12 | 2017-03-22 | 珠海格力节能环保制冷技术研究中心有限公司 | A electrical apparatus that is used for seal structure of outlet box installation and has it |
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| Publication number | Publication date |
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| CN106357042A (en) | 2017-01-25 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181024 Address after: 519070 golden hill road, Qianshan, Zhuhai, Guangdong Applicant after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Address before: 519070 science and technology building, 789 Jinji Road, Qianshan, Zhuhai, Guangdong Applicant before: Zhuhai Gree Energy Saving & Refrigerating Technology Resarch Center Co., Ltd. |
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