CN106602776A - Sealing washer, housing waterproof structure using the same and motor - Google Patents
Sealing washer, housing waterproof structure using the same and motor Download PDFInfo
- Publication number
- CN106602776A CN106602776A CN201610913239.7A CN201610913239A CN106602776A CN 106602776 A CN106602776 A CN 106602776A CN 201610913239 A CN201610913239 A CN 201610913239A CN 106602776 A CN106602776 A CN 106602776A
- Authority
- CN
- China
- Prior art keywords
- washer
- screw
- seal washer
- housing
- head
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The present invention discloses a sealing washer, and a housing waterproof structure using the same. The structure comprises a bolt, a sealing washer, an end cap and a nut. The sealing washer is internally embedded with a flat washer to ensure the fastening force of the screws without extra addition of a washer for tightening up. The bolt, the sealing washer and the bolt hole of the end cap realize sealing connection, and the gap between the bolt and the bolt hole is filled with the sealing washer. In the process of fastening the bolt, the sealing washer can be deformed due to the stress to allow the outer ring of the sealing washer to cling to the end cap for playing an external water shut-off effect. The bolt is embedded into surface of the gasket to a certain extent to form the sealing and waterproof contact surface. The housing waterproof structure is compact in cooperation, good in reliability and beautiful in profile and effectively reaches the waterproof purpose. The present invention further discloses a motor using the housing waterproof structure.
Description
Technical field
The present invention relates to motor protection technology field, more particularly to a kind of seal washer and the housing waterproof knot using it
Structure, motor.
Background technology
At present for motor degree of protection requirement more and more higher.
By taking the motor of IP44 degree of protection as an example, at its screw hole mostly using apply fluid sealant by the way of carry out waterproof, have
Body structure is referred to shown in Fig. 1, wherein 01 is end cap, 02 is screw, and 03 is fluid sealant, and 04 is casing, and 05 is stator.
But, fluid sealant is coated in just between screw and screw hole at gap and the not excessive operation of applied fluid sealant
Difficulty is larger, it is easy to cause motor bad order, and fluid sealant air-dry time is long, and air-dry time receives ambient temperature, environmental wet
Degree affects, it is impossible to ensure rhythm of production.Therefore, not only process is loaded down with trivial details for this mode, consumes manpower, and time-consuming, and sometimes
Because misoperation causes motor bad order or even causes assembling difficult.
The content of the invention
In view of this, the invention provides a kind of seal washer, has been effectively ensured the sealing effectiveness at housing screw, it is to avoid
The harm that cause such as water inlet, it is simple and compact for structure, firmly install, safe and reliable, and easily operation, it is adaptable to produce in enormous quantities.
The invention provides a kind of housing waterproof construction and motor using above-mentioned seal washer.
For achieving the above object, the present invention provides following technical scheme：
A kind of seal washer, for the sealing at screw hole, including washer body and embedding plain washer in the inner；
The washer body includes head, and its outer end is used for the head fits of screw, and the inner surrounds the spiral shell for same
The housing wall in hole coordinates；
The plain washer is arranged around the central through hole of the washer body；
The material of the washer body is softer than the material of the plain washer.
Preferably, the plain washer is coaxially disposed with the washer body.
Preferably, the plain washer arrives the distance of the outer end to the inner distance less than it.
Preferably, the inner end face has the sealing rim of annular protrusion.
Preferably, the end face of the outer end is ramp structure low between senior middle school around.
Preferably, the washer body also includes being connected to the inner afterbody of the head, and the afterbody is loop configuration,
Its inwall is located on the same face of cylinder with the inwall of the head, and outer wall is the circumference for coordinating with the inwall of the screw hole
Face.
Preferably, arc transition between the outer wall of the afterbody and head the inner.
Preferably, the washer body is quality of rubber materials.
A kind of housing waterproof construction, including screw, packing ring and nut, the packing ring is above-mentioned seal washer, the spiral shell
The screw portion of nail sequentially passes through the screw hole of the seal washer and housing, and tightens with the nut screw connection.
A kind of motor, is provided with waterproof construction at the screw hole of its housing end plug, the waterproof construction is above-mentioned housing
Waterproof construction.
It can be seen from above-mentioned technical scheme that, the seal washer that the present invention is provided is flat because being embedded with inside its washer body
Packing ring, it is not necessary to which the extra packing ring that increases is tightened, it is possible to ensure screw torsion；In addition, washer body selects softer material,
Because stress produces deformation during assembling so as to which head the inner is close on the housing wall for surrounding screw, plays outside sealing effect；Together
When, screw is also to a certain degree embedded in the head outer end of washer body, forms contact face seal waterproof.This programme utilizes seal washer
It is tightly connected with screw, screw, from existing use fluid sealant is coated in different at gap between screw and screw hole, apparatus casing
Remaining structure can maintain versatility without the need for change.Present invention also offers a kind of housing waterproof using above-mentioned seal washer is tied
Structure and motor.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of waterproof structure for motor in prior art；
Fig. 2 is the schematic diagram of waterproof structure for motor provided in an embodiment of the present invention；
Fig. 3 is the structural representation of seal washer provided in an embodiment of the present invention；
Fig. 4 is the close-up schematic view of waterproof structure for motor provided in an embodiment of the present invention.
Wherein, in the prior art of Fig. 1,01 is end cap, and 02 is screw, and 03 is fluid sealant, and 04 is casing, and 05 is fixed
Son；
In this programme of Fig. 2-Fig. 4,11 is end cap；12 is screw；13 is seal washer, and 131 is the head of main body,
1311 is the outer end of head, and 1312 is the inner of head, and 132 are embedded plain washers, and 133 is the afterbody of main body；14 is casing；
15 is stator.
Specific embodiment
The invention discloses a kind of seal washer and housing waterproof construction, the motor using it, have been effectively ensured end cap spiral shell
Waterproof action at nail, it is to avoid the harm that motor entering water is caused, has evaded the probability for affecting to install, and makes the water proofing property of motor
Can be good, it is simple and compact for structure, firmly install, safe and reliable, and easily operation, it is adaptable to produce in enormous quantities.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Seal washer provided in an embodiment of the present invention, for the sealing at screw hole, its core improvement is, including pad
Circle main body and embedding plain washer 132 in the inner, structure is referred to shown in Fig. 2-Fig. 4；
Wherein, washer body includes head 131, and its outer end 1311 is used for the head fits of screw 12, washer body head
The inner 1312 in portion 131 surrounds the housing wall of screw (in order to make it easy to understand, below will be with motor in this concrete scheme for same
End cap 11 as a example by illustrate) coordinate；It is understood that for inward-outward direction here is based on confined state；
Plain washer 132 is arranged around the central through hole of washer body；
The material of washer body is softer than the material of plain washer 132, and the washer body has the deformation higher compared with plain washer 132
Ability.It should be noted that above-mentioned screw refers to the screw that tail end is tip, and tail end is that tack needs and nut screw connection
Bolt.
It can be seen from above-mentioned technical scheme that, seal washer provided in an embodiment of the present invention, inside its washer body
It is embedded with plain washer 132, it is not necessary to which the extra packing ring that increases is tightened, it is possible to reach guarantee screw fastening force purpose；In addition, packing ring master
Body selects softer material, in assembling because stress produces deformation so as to which head the inner 1312 is close on end cap 11, plays outer
Portion's hermetic seal effect；Meanwhile, screw 12 is also to a certain degree embedded in the head outer end 1311 of washer body, forms contact face seal
Waterproof.This programme is tightly connected using seal washer and screw 12, screw, and with existing use fluid sealant screw and screw are coated in
Different at gap between hole, remaining structure of apparatus casing can maintain versatility without the need for change.
Preferably, plain washer 132 is coaxially disposed with washer body, its structure is referred to shown in Fig. 3, be particularly suited for
The surface of end cap 11 is the situation of plane, further increases fastening ability.
In the specific embodiment that this programme is provided, plain washer 132 arrives outer end 1311 to inner 1312 distance less than it
Distance, its structure is referred to shown in Fig. 3 and Fig. 4.So, after mounting plain washer 132 can be close to the bottom surface of end cap 11
A bit, it is possible to increase fastening ability, so as to realize better seal effect.When outer end 1311 or inner 1312 end face are not flat
During face, above-mentioned distance refers to the axial length of plain washer 132 to each end face minimum point.
In order to further optimize above-mentioned technical scheme, inner 1312 end face has the sealing rim of annular protrusion, should
Rim is raised away from inner 1312 along the axial direction of the central through hole of head 131, for being close to because stress is deformed upon in assembling
On end cap 11, outside hermetic seal effect is improved.Specifically, arc transition between inner 1312 rim and its bottom surface.Its knot
Structure is referred to shown in Fig. 3 Fig. 4, and inner 1312 this rim have certain angle with its bottom surface, in the state outwards lain prone, when receiving
During power, the rim can be faced out along end cap and be close to due to due to angle, play a part of sealing.
Preferably, the end face of outer end 1311 is ramp structure low between senior middle school around.Its structure is referred to Fig. 3 Fig. 4
Shown, when by 12 active force of screw, due to due to gradient, the end face of outer end 1311 can deform to contract so as to
The laminating of the bottom surface of head of screw 12 is tightr, so as to improve sealing effectiveness.
In the specific embodiment that this programme is provided, washer body also includes being connected to the afterbody 133 of head the inner 1312,
To improve waterproof effect, as shown in figure 3, the afterbody 133 is loop configuration, its inwall is located at same circle with the inwall of head 131
On cylinder, outer wall is the periphery coordinated for the inwall of same screw hole.Preferably, the head 131 and afterbody of washer body
133 are integrally formed, and contribute to sealing.
In order to further optimize above-mentioned technical scheme, arc transition between the outer wall of afterbody 133 and head the inner 1312.
Such structure can be deformed upon when coordinating with the screwed hole of end cap 11, and laminating between the two is tightr, and sealing effectiveness is prevented
Water is more preferable.
In the specific embodiment that this programme is provided, washer body is quality of rubber materials, with high resiliency, insulating properties, impermeable
The characteristic of water and air, disclosure satisfy that requirement of the design for deformation nature and sealing effectiveness.Plain washer 132 can be using hard
Metal material.
Preferably, plain washer 132 is embedded in inside washer body, can be installed by opening up notch inside washer body
Realize, or washer body is obtained in the external process molding of plain washer 132.
The embodiment of the present invention additionally provides a kind of housing waterproof construction, including screw 12, packing ring and nut, and its core is improved
Point is, packing ring is seal washer described above 13, and the screw portion of the screw 12 sequentially passes through seal washer 13 and housing (such as
The end cap 11 of motor) screw hole, and tighten with nut screw connection.Motor is set between motor screw and the screw hole of front motor cover
Screw waterproof washer (i.e. above-mentioned seal washer), screw, screw hole and waterproof washer are tightly connected, and by screw and nut
Between cooperation fastened, reach waterproof purpose.The design can be widely applied to all kinds of dresses required to degree of protection
Put, especially charging equipment such as electrical equipment.
The embodiment of the present invention additionally provides a kind of motor, and at the screw hole of its housing end plug 11 waterproof construction is provided with, its
Core improvement is that waterproof construction is above-mentioned housing waterproof construction.As shown in Figure 2 and Figure 4, the screw portion of screw 12 according to
It is secondary to pass through from sealing gasket collar aperture, drive end bearing bracket screw, stator core hole, rear end cap screw.Head of screw is near the face of drive end bearing bracket 11
It is close on seal washer, screw afterbody is passed from rear end cap bore, and tightens with nut screw connection.The two of seal washer head 131
Individual face contacts respectively with screw 12, drive end bearing bracket 11；Afterbody the past head bolts hole penetrates.The technical program has been effectively ensured end cap
Waterproof action at screw hole, it is to avoid the harm that motor entering water is caused, has evaded the probability for affecting to install, and makes the waterproof of motor
It is functional, it is simple and compact for structure, firmly install, safe and reliable, and easily operation, it is adaptable to produce in enormous quantities.
Assembling process is as follows：
1st, will pass in seal washer afterbody the past head bolts hole, seal washer head is contacted with front end exterior surface；
2nd, the drive end bearing bracket with seal washer, rear end cap and casing coordinate and place；
3rd, the screw portion of screw is passed through from collision mat collar aperture, Jing stator cores hole, is passed from rear end cap screw hole, and
Fastened with nut.
In sum, a kind of seal washer and the housing waterproof construction using it are embodiments provided.The waterproof
Structure includes screw, seal washer, end cap and nut.Plain washer is embedded with inside the seal washer, it is not necessary to additionally increase packing ring
Tighten, while can ensure that screw fastening force.The screw hole of screw, seal washer and end cap is realized being tightly connected, by screw with
Gap is filled up with seal washer between screw hole.In the fastener cycle of screw, seal washer this part can be produced because of stress
Deformation, makes seal washer outer ring be close on end cap, plays outside sealing effect；Meanwhile, screw is also to a certain degree embedded in packing ring
Face, forms contact face seal waterproof.This compact conformation coordinates, and good reliability, good looking appearance effectively reaches waterproof purpose.This
Inventive embodiments additionally provide a kind of motor using above-mentioned housing waterproof construction.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (10)
1. a kind of seal washer, for the sealing at screw hole, it is characterised in that including washer body and embedding plain cushion in the inner
Circle (132)；
The washer body includes head (131), its outer end (1311) for same screw (12) head fits, inner (1312)
For coordinating with the housing wall for surrounding the screw；
The plain washer (132) is arranged around the central through hole of the washer body；
The material of the washer body is softer than the material of the plain washer (132).
2. seal washer according to claim 1, it is characterised in that the plain washer (132) is same with the washer body
Axle is arranged.
3. seal washer according to claim 1, it is characterised in that the plain washer (132) is to the inner (1312)
Distance, arrive the distance of the outer end (1311) less than it.
4. seal washer according to claim 1, it is characterised in that the end face of the inner (1312) has annular protrusion
Sealing rim.
5. seal washer according to claim 1, it is characterised in that the end face of the outer end (1311) is between surrounding senior middle school
Low ramp structure.
6. the seal washer according to claim 1-5 any one, it is characterised in that the washer body also includes connection
In the afterbody (133) of head the inner (1312), the afterbody (133) is loop configuration, its inwall and the head (131)
Inwall be located at the same face of cylinder on, outer wall is the periphery for coordinating with the inwall of the screw hole.
7. seal washer according to claim 6, it is characterised in that in the outer wall of the afterbody (133) and the head
Arc transition between end (1312).
8. seal washer according to claim 1, it is characterised in that the washer body is quality of rubber materials.
9. a kind of housing waterproof construction, including screw (12), packing ring and nut, it is characterised in that the packing ring is that right such as will
The screw portion for asking the seal washer (13) described in 1-8 any one, the screw (12) sequentially passes through the seal washer
(13) and housing screw hole, and tighten with the nut screw connection.
10. a kind of motor, at the screw hole of its housing end plug (11) waterproof construction is provided with, it is characterised in that the waterproof knot
Structure is the housing waterproof construction described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913239.7A CN106602776A (en) | 2016-10-19 | 2016-10-19 | Sealing washer, housing waterproof structure using the same and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913239.7A CN106602776A (en) | 2016-10-19 | 2016-10-19 | Sealing washer, housing waterproof structure using the same and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106602776A true CN106602776A (en) | 2017-04-26 |
Family
ID=58556317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610913239.7A Pending CN106602776A (en) | 2016-10-19 | 2016-10-19 | Sealing washer, housing waterproof structure using the same and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106602776A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288553A (en) * | 2017-12-26 | 2018-07-17 | 南京联塑科技实业有限公司 | A kind of device for sealing pipeline switch |
| CN108511225A (en) * | 2018-04-28 | 2018-09-07 | 苏州江南嘉捷电梯有限公司 | A kind of key switch protective cover of escalator or moving sidewalk |
| CN108610523A (en) * | 2017-12-30 | 2018-10-02 | 俞祖林 | The production method of improved water-proofing composition tapping screw |
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| CN205244376U (en) * | 2015-12-29 | 2016-05-18 | 科瑞工业自动化系统（苏州）有限公司 | Solid -state waterproof seal structure of safety light curtain end cover |
| CN205533705U (en) * | 2016-03-22 | 2016-08-31 | 杭州科技职业技术学院 | High sealed degree screw packing ring |
| CN206353735U (en) * | 2016-10-19 | 2017-07-25 | 珠海凯邦电机制造有限公司 | A kind of seal washer and apply its housing waterproof construction, motor |
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2016
- 2016-10-19 CN CN201610913239.7A patent/CN106602776A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202395579U (en) * | 2011-12-29 | 2012-08-22 | 中山大洋电机制造有限公司 | Sealing structure of end cover screw holes for micromotor |
| CN202759316U (en) * | 2012-05-21 | 2013-02-27 | 常州市旭泉精密电机有限公司 | Stepping motor end cover possessing waterproof function |
| CN203272376U (en) * | 2013-04-22 | 2013-11-06 | 宁波江东嘉越国际贸易有限公司 | Sleeve for expansion bolt |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288553A (en) * | 2017-12-26 | 2018-07-17 | 南京联塑科技实业有限公司 | A kind of device for sealing pipeline switch |
| CN108610523A (en) * | 2017-12-30 | 2018-10-02 | 俞祖林 | The production method of improved water-proofing composition tapping screw |
| CN108511225A (en) * | 2018-04-28 | 2018-09-07 | 苏州江南嘉捷电梯有限公司 | A kind of key switch protective cover of escalator or moving sidewalk |
| CN108511225B (en) * | 2018-04-28 | 2024-05-14 | 苏州江南嘉捷电梯有限公司 | Key switch protective cover for escalator or moving pavement |
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