CN208955792U - Sealing structure, shaft sealing device and motor - Google Patents
Sealing structure, shaft sealing device and motor Download PDFInfo
- Publication number
- CN208955792U CN208955792U CN201821513234.6U CN201821513234U CN208955792U CN 208955792 U CN208955792 U CN 208955792U CN 201821513234 U CN201821513234 U CN 201821513234U CN 208955792 U CN208955792 U CN 208955792U
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- CN
- China
- Prior art keywords
- sealing
- motor
- dust
- groove
- sealing structure
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- 238000007789 sealing Methods 0.000 title claims abstract description 175
- 239000000428 dust Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
- Sealing Devices (AREA)
Abstract
The utility model provides a seal structure, shaft seal device and motor relates to motor technical field, has solved the not good technical problem of motor shaft seal effect. The sealing structure comprises a sealing element which is embedded and installed at a position to be sealed, at least one sealing part is sequentially arranged on the contact surface of the sealing element and a moving part along the dust entering direction, all the sealing parts are abutted on the surface of the moving part, and a groove used for containing dust, oil dirt and water is formed between every two adjacent sealing parts. The utility model discloses a set up a plurality of sealing parts on the sealing member, and set up the recess that holds dust, greasy dirt and water between the adjacent sealing part, prevent effectively that the dust profit from passing through motor shaft surface entering motor inside to avoid impurity such as dust greasy dirt to enter into the motor inside to cause the influence or produce bearing noise and other abnormal sound to the motor, also improved the protection level of motor greatly.
Description
Technical field
The utility model relates to technical field of motors, more particularly, to a kind of sealing structure, shaft sealer and motor.
Background technique
In order to improve the degree of protection of motor, there must be sealing to tie between the output shaft of motor and the motor casing of standing
Structure.In the prior art, the sealing structure of motor shaft is generally sealed by the way of installing waterproof cover at motor shaft, this
Only simply one waterproof cover of installation, waterproof cover contact with motor shaft end or have very big gap, sealing effect to mode
Fruit is bad, and many water, oil or dust is caused to enter inside motor by axis surface, leads to motor bearings because of droplet or ash
Dirt generates the abnormal sounds noise problem such as bearing, so this waterproof cover not can solve, shaft end is grease proofing, waterproof and dustproof asks
Topic.
Utility model content
The purpose of this utility model is to provide sealing structure, shaft sealer and motors, to solve to deposit in the prior art
The bad technical problem of motor shaft sealing effect.
To achieve the above object, the utility model provides following technical scheme:
A kind of sealing structure provided by the utility model, the sealing element including installation by adhering at position to be sealed are described
At least one sealing, all sealings are disposed with along dust approach axis on sealing element and drive member contacts face
It is connected on dynamic component surface, and has between the two neighboring sealing to accommodate dust, greasy dirt and the groove of water.
The quantity of the sealing is three as a further improvement of the utility model, and three sealings are successively
For the first sealing, the second sealing and third sealing.
The sealing element is hollow structure as a further improvement of the utility model, and inside has an accommodating cavity, described the
Offered in the groove between one sealing and second sealing be connected to the accommodating cavity through opening.
First sealing and the third sealing and dynamic component surface as a further improvement of the utility model,
Between be linear sealing structure.
It is as a further improvement of the utility model, face sealing knot between second sealing and dynamic component surface
Structure.
The sealing element is annular seal cushion rubber as a further improvement of the utility model, the sealing setting
On the inner periphery of the sealing rubber ring.
Axial direction setting of all sealings along the sealing rubber ring as a further improvement of the utility model,.
Institute between first sealing and second sealing as a further improvement of the utility model,
Stating groove section is triangle.
Institute between second sealing and the third sealing as a further improvement of the utility model,
Stating groove section is curved arc shape.
Institute between first sealing and second sealing as a further improvement of the utility model,
State the groove length that groove length is less than between second sealing and the third sealing.
The sealing rubber ring is made of nitrile rubber as a further improvement of the utility model,.
A kind of shaft sealer provided by the utility model, including ontology and shaft, described shaft one end are rotatably arranged on
In the ontology, the other end stretches out described in vitro, is provided on the axle stretch end face of the ontology for accommodating the sealing knot
The fixing groove of structure.
The sealing structure thickness is identical as the fixed groove depth as a further improvement of the utility model,.
A kind of motor provided by the utility model, including the shaft sealer.
The utility model by the way that multiple sealings are arranged on sealing element, and between adjacent sealing part setting accommodate dust,
The groove of greasy dirt and water effectively prevent dust grease to enter inside motor by motor shaft surface, to avoid dust greasy dirt etc.
Impurity, which enters inside motor, impacts to motor or generates bearing noise and other abnormal sounds, also substantially increases the anti-of motor
Protect grade.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the cross-sectional view of the non-installation sealing structure in the utility model motor-shaft extending end；
Fig. 2 is the cross-sectional view that the utility model motor-shaft extending end installs sealing structure；
Fig. 3 is the main view of the utility model sealing structure；
Fig. 4 is the sectional view in Fig. 3 at AA.
1, sealing element in figure；11, sealing；111, the first sealing；112, the second sealing；113, third sealing；
12, groove；13, accommodating cavity；14, it is open；2, ontology；21, fixing groove；3, shaft.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in Figure 1, the utility model provides a kind of sealing structure, including installation by adhering in the close of position to be sealed
It is disposed at least one sealing 11 along dust approach axis on sealing 1, sealing element 1 and drive member contacts face, it is all
Sealing 11 is connected on dynamic component surface, and is had between two neighboring sealing 11 to accommodate dust, greasy dirt and water
Groove 12.The movement of sealing element 1 in order to prevent, position to be sealed are provided with fixing groove 21, and sealing element 1 is with the side of interference fit
Formula is embedded into fixing groove 21, and is bonded together between sealing element 1 and the groove face of fixing groove 21 by glue, can prevent close
The rotation of 1 follow-up unit of sealing.
Embodiment 1:
As shown in figure 4, the quantity of sealing 11 is three, and three sealings 11 are followed successively by as optional embodiment
First sealing 111, the second sealing 112 and third sealing 113.Wherein, the first sealing 111 and third sealing 113
It is linear sealing structure between dynamic component surface, is surface seal structure between the second sealing 112 and dynamic component surface.First
Sealing 111 is linear sealing, exclusion seal is carried out as the first line of defence, when the first sealing 111 cannot be by dust greasy dirt etc.
When blocking, impurity can enter storage, the second sealing in the groove 12 between the first sealing 111 and the second sealing 112
112 are used as second defence line, which is face sealing, and sealing effect is more preferable, when the second sealing 112 fails to hinder
When blocking impurity, impurity can enter storage in the groove 12 between the second sealing 112 and third sealing 113.
As shown in Figures 2 and 3, in the utility model, sealing element 1 is annular seal cushion rubber, and rotating member is motor shaft, close
The outer diameter of sealing rubber ring is suitable with the diameter of fixing groove 21, and the internal diameter of sealing rubber ring is suitable with 3 diameter of machine shaft, and sealing 11 is set
It sets on the inner periphery of sealing rubber ring.
As shown in figure 4, three sealings 11 are arranged along the axially spaced-apart of sealing rubber ring, so that three safeguard structures are formed,
12 section of groove between the first sealing 111 and the second sealing 112 is triangle, and the triangle is close to sealant
One side angle with horizontal plane on circle right side is greater than folder of the triangle between that side and horizontal plane of the second sealing 112
Angle；12 section of groove between the second sealing 112 and third sealing 113 is curved arc shape, and the curved arc shape is close to close
The radian in 1 left side of sealing is greater than the radian close to the second sealing 112.Further, it is located at the first sealing 111 and second
It is long that 12 length of groove between sealing 112 is less than the groove 12 between the second sealing 112 and third sealing 113
Degree.
In order to improve the service life of sealing rubber ring, in the utility model, sealing rubber ring is made of nitrile rubber.
Embodiment 2:
Embodiment 2 and the difference of embodiment 1 are only that excessive impurity is accumulated before the second sealing 112 in order to prevent,
In the utility model, sealing element 1 is hollow structure, and inside has accommodating cavity 13, the first sealing 111 and the second sealing 112
Between groove 12 in offer be connected to accommodating cavity 13 through opening 14, fail the dust stopped by the first sealing 111
Impurity etc. enters in groove 12 and by entering in accommodating cavity 13 through opening 14, is deposited in groove 12 so as to reduce
Dust impurity amount, dust is blocked in outside sealing element 1, degree of protection is greatly improved.The opening 14 is provided with triangular groove
12 Liang Tiao straight flange intersection.Accommodating cavity 13 is arranged in entire sealing rubber ring along axially penetrating through for sealing rubber ring, so that
Accommodating cavity 13 is circular ring shape accommodating cavity in the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of shaft sealer, including ontology 2 and shaft 3, shaft 3
One end is rotatably arranged in ontology 2, and the other end stretches out outside ontology 2, is provided on the axle stretch end face of ontology 2 for accommodating sealing knot
The fixing groove 21 of structure.
Preferably, sealing structure thickness is identical as 21 depth of fixing groove.
As shown in Figure 1, the utility model provides a kind of motor, including shaft sealer, specifically, appearing in motor shaft
Using 21 design structure of fixing groove of evagination indent, indent is intended to be directly embedded into sealing rubber ring the inside, can
Effective fixing seal cushion rubber, prevents cushion rubber from being moved；Sealing rubber ring, sealing rubber ring sectional view such as Fig. 4 are made using nitrile rubber；
Using the ring structure of inside and outside circle, sealing rubber ring diameter 21 diameter dimension of indent fixing groove that can appear with motor shaft is identical,
Internal diameter can be identical as 3 diameter of machine shaft；It is three lip design structures using three sealings 11, wherein the first sealing
111 be protection lip, and the second sealing 112 and third sealing 113 are main lip.
In the utility model, hollow design is used inside sealing rubber ring, it is external to use more lips to set on motor shaft contact surface
Meter, more lip designs are for more effective blocks dust grease, by opening between the first sealing 111 and the second sealing 112
Hole design, if the first sealing 111 fails complete blocks dust etc., dust can enter the leakage of sealing rubber ring by position of opening
In empty position accommodating cavity 13, dust is blocked in 1 outside of sealing element；Along with the second sealing 112 and third sealing 113
The effect of two main lips can greatly reinforce degree of protection.
In use, sealing rubber ring is sleeved on inside motor-shaft extending face fixing groove 21, it is close to 21 inner wall of fixing groove, in groove
Inner wall coated with glue water can prevent sealing rubber ring from rotating with motor shaft.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (12)
1. a kind of sealing structure, the sealing element (1) including installation by adhering at position to be sealed, it is characterised in that: the sealing
It is disposed at least one sealing (11) along dust approach axis on part (1) and drive member contacts face, all is described close
Envelope portion (11) is connected on dynamic component surface, and is had between the two neighboring sealing (11) to accommodate dust, oil
Dirty and water groove (12).
2. sealing structure according to claim 1, it is characterised in that: the quantity of the sealing (11) is three, successively
Respectively the first sealing (111), the second sealing (112) and third sealing (113).
3. sealing structure according to claim 2, it is characterised in that: the sealing element (1) is hollow structure, and inside has
Accommodating cavity (13) offers in the groove (12) between first sealing (111) and second sealing (112)
What is be connected to the accommodating cavity (13) runs through opening (14).
4. sealing structure according to claim 2, it is characterised in that: first sealing (111) and the third are close
It is linear sealing structure between envelope portion (113) and dynamic component surface.
5. sealing structure according to claim 2, it is characterised in that: second sealing (112) and dynamic component surface
Between be surface seal structure.
6. sealing structure according to claim 1, it is characterised in that: the sealing element (1) is annular seal cushion rubber, institute
Sealing (11) is stated to be arranged on the inner periphery of the sealing rubber ring.
7. sealing structure according to claim 6, it is characterised in that: all sealings (11) are along the sealant
The axial setting of circle.
8. sealing structure according to claim 2, it is characterised in that: be located at first sealing (111) and described the
The groove (12) section between two sealings (112) is triangle.
9. sealing structure according to claim 2, it is characterised in that: be located at second sealing (112) and described the
The groove (12) section between three sealings (113) is curved arc shape.
10. a kind of shaft sealer, it is characterised in that: including ontology (2) and shaft (3), shaft (3) one end rotation setting
In the ontology (2), the other end stretches out the ontology (2) outside, is provided on the axle stretch end face of the ontology (2) for accommodating
The fixing groove (21) of sealing structure as described in claim 1-9 is any.
11. shaft sealer according to claim 10, it is characterised in that: the sealing structure thickness and the fixing groove
(21) depth is identical.
12. a kind of motor, it is characterised in that: including shaft sealer as described in claim 10 or 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513234.6U CN208955792U (en) | 2018-09-14 | 2018-09-14 | Sealing structure, shaft sealing device and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513234.6U CN208955792U (en) | 2018-09-14 | 2018-09-14 | Sealing structure, shaft sealing device and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208955792U true CN208955792U (en) | 2019-06-07 |
Family
ID=66738221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821513234.6U Active CN208955792U (en) | 2018-09-14 | 2018-09-14 | Sealing structure, shaft sealing device and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208955792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245394A (en) * | 2018-09-14 | 2019-01-18 | 珠海格力电器股份有限公司 | Sealing structure, shaft sealing device and motor |
| CN111336825A (en) * | 2020-03-13 | 2020-06-26 | 徐州中材装备重型机械有限公司 | Sealing equipment of grate cooler transmission mechanism for cement production |
-
2018
- 2018-09-14 CN CN201821513234.6U patent/CN208955792U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245394A (en) * | 2018-09-14 | 2019-01-18 | 珠海格力电器股份有限公司 | Sealing structure, shaft sealing device and motor |
| CN111336825A (en) * | 2020-03-13 | 2020-06-26 | 徐州中材装备重型机械有限公司 | Sealing equipment of grate cooler transmission mechanism for cement production |
| CN111336825B (en) * | 2020-03-13 | 2022-07-15 | 徐州中材装备重型机械有限公司 | Sealing equipment of grate cooler transmission mechanism for cement production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |