CN209462141U - The high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors - Google Patents
The high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors Download PDFInfo
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- CN209462141U CN209462141U CN201920228338.0U CN201920228338U CN209462141U CN 209462141 U CN209462141 U CN 209462141U CN 201920228338 U CN201920228338 U CN 201920228338U CN 209462141 U CN209462141 U CN 209462141U
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- sealant
- driving shaft
- sealing
- motor driving
- flame
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Abstract
The utility model belongs to technical field of motors more particularly to a kind of high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors.The utility model, sealing ring body inner surface fits with motor driving shaft, sealing ring body outer surface is fixedly connected on motor body, sealing ring body inner surface is successively arranged the first sealant and the second sealant along motor driving shaft direction of axis line, there is heat dissipation cavity between first sealant and the second sealant, second sealant fits with motor driving shaft side, and the first sealant is pressed on motor driving shaft.The utility model is provided with two layers of sealant along motor driving shaft direction of axis line, with preferable sealing effect, heat dissipation cavity is offered between two layers of sealant simultaneously, reduce the contact area with motor driving shaft, heat dissipation effect is improved, serious problem of generating heat is avoided the occurrence of, and, the first sealant that outer layer is arranged in the utility model can be pressurized self-sealing, to further ensure sealing effect.
Description
Technical field
The utility model belongs to technical field of motors more particularly to a kind of high-grade low hair of Flame-Proof Three-Phase Induction Motors
Thermal protection structure.
Background technique
Motor in use, such as occurs extraneous dust, water or other sundries and enters in motor, will affect motor just
Often operation, it is serious or even safety accident can be caused, therefore existing electrode often installs a sealing ring as preventing on the electrode
Dust, water or other sundries enter the safeguard structure of motor, while leaking out prevented also from greasy dirt, but existing safeguard structure seals
Effect is poor, simultaneously because having biggish contact area with motor driving shaft, leads to serious problem of generating heat in use process.
For example, Chinese utility model patent disclose a kind of electricity secret seal [application number: 201820921321.9], the reality
It include sealing inner ring made of rubber with new patent, the sealing inner ring is circular ring shape, the outer cover of the sealing inner ring
Equipped with the retainer plate made of hard metal material, the axial middle part of the retainer plate is equipped with fastener, and the sealing inner ring correspondence is set
There is card slot, the fastener is mounted in card slot；Elastic buckle is connected in the inner ring of the retainer plate, the Elastic buckle is U
Type structure, the opening of the Elastic buckle, which bends inwards, is formed with connecting pin, and the outward bending of mid-length position forms " > "
The deformation end of shape.
The utility model has the stronger stabilization of overall structure, on-deformable advantage, but it does not solve above-mentioned ask still
Topic.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of high-grade low hair of Flame-Proof Three-Phase Induction Motors
Thermal protection structure.
In order to achieve the above objectives, the utility model uses following technical proposal:
A kind of high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, including sealing ring main body, the sealing
Circle body inner surface fits with motor driving shaft, and sealing ring body outer surface is connected on motor body, the sealing ring master
Internal surface is successively arranged the first sealant and the second sealant, the first sealant and second along motor driving shaft direction of axis line
There is heat dissipation cavity, second sealant fits with motor driving shaft side, the first sealing lamination between sealant
It is located on motor driving shaft.
In the above-mentioned high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, the motor driving shaft surface
With the locating slot being recessed inwardly, it is connected between the locating slot and motor driving shaft lateral wall by seal boss, first
Sealant is pressed on seal boss.
In the above-mentioned high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, first sealant is in ring
Shape, and first sealant one end is fixedly connected on sealing ring body inner surface, the other end is towards close to motor driving shaft axial line side
To extension, the cross-sectional area of first sealant from one end close to sealing ring main body to one end close to seal boss gradually
Become smaller.
In the above-mentioned high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, first sealant is close
One end of seal boss is gradually tilted to the direction close to the second sealant.
In the above-mentioned high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, table on first sealant
The angle α of face and motor driving shaft axial line is 65-85 degree.
In the above-mentioned high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, second sealant includes
Integrally formed guide part and sealing, the one end of the sealing far from guide part is fixedly connected with sealing ring main body, described
Sealing inner surface fits with motor driving shaft side, and guide part and sealing join end to end in a ring, guide part it is straight
Diameter gradually becomes smaller from one end far from sealing to one end close to sealing.
In the above-mentioned high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, in the sealing ring main body also
Equipped with abutting portion, abutting portion is made by elastic material, and abutting portion one end is connected with sealing ring main body, the other end and sealing
Outer surface be connected.
In the above-mentioned high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, the abutting portion is by compression sea
Silk floss is made.
In the above-mentioned high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, if being equipped in the abutting portion
The axial line of the abutting spring that dry axial line is parallel to each other, the axial line for pushing against spring and motor driving shaft mutually hangs down
Directly.
In the above-mentioned high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, the abutting portion and sealing ring
Buffer cavity is equipped between main body.
Compared with prior art, utility model has the advantages that
1, the utility model is provided with two layers of sealant along motor driving shaft direction of axis line, has preferable sealing effect
Fruit, while heat dissipation cavity is offered between two layers of sealant, reduce the contact area with motor driving shaft, improves heat dissipation effect
Fruit avoids the occurrence of serious problem of generating heat.
2, the first sealant that outer layer is arranged in the utility model can be pressurized self-sealing, to further ensure sealing effect
Fruit.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the cross-sectional view of sealing ring main body；
In figure: sealing ring main body 1, motor driving shaft 2, motor body 3, the first sealant 4, the second sealant 5, heat dissipation are empty
Chamber 6, pushes against spring 8, buffer cavity 9, locating slot 21, seal boss 22, guide part 51, sealing 52 at abutting portion 7.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, including sealing ring main body
1,1 inner surface of sealing ring main body fits with motor driving shaft 2, and 1 outer surface of sealing ring main body is connected to motor body 3
On, 1 inner surface of sealing ring main body is successively arranged the first sealant 4 and the second sealing along 2 direction of axis line of motor driving shaft
Layer 5 has heat dissipation cavity 6, second sealant 5 and 2 side of motor driving shaft between first sealant 4 and the second sealant 5
Face fits, and first sealant 4 is pressed on motor driving shaft 2.
The utility model, in use, installing 1 outer surface of sealing ring main body to motor body 3, the first sealant at this time
4 are pressed on motor driving shaft 2, and the second sealant 5 fits with 2 side of motor driving shaft, due to the first sealant 4 and second
There is heat dissipation cavity 6 between sealant 5, thus it is smaller with total contact area of motor driving shaft 2, while being provided with heat dissipation cavity 6
Afterwards, whole heat dissipation effect can be improved, therefore the utility model is provided with two layers of sealant along 2 direction of axis line of motor driving shaft,
With preferable sealing effect, while heat dissipation cavity 6 is offered between two layers of sealant, reduction connects with motor driving shaft 2
Contacting surface product, improves heat dissipation effect, avoids the occurrence of serious problem of generating heat.
As shown in Figure 1,2 surface of motor driving shaft has the locating slot 21 being recessed inwardly, the locating slot 21 and electricity
It is connected between 2 lateral wall of machine drive shaft by seal boss 22, the first sealant 4 is pressed on seal boss 22, in this way may be used
Fast and accurately sealing ring main body 1 is installed to predetermined position.
As shown in Figure 1, first sealant 4 is in a ring, and 4 one end of the first sealant is fixedly connected on sealing ring main body
1 inner surface, the other end extend towards close to 2 direction of axis line of motor driving shaft, and the cross-sectional area of first sealant 4 is by close
One end of sealing ring main body 1 gradually becomes smaller to one end close to seal boss 22, and first sealant 4 is close to seal boss 22
One end gradually to close to the second sealant 5 direction tilt.
So in use, if encountering the spilling such as outside water, since the first sealant 4 is obliquely installed, Gu Shui pairs
The inclined surface of first sealant 4 can generate a pressure, so that the first sealant 4 is further adjacent to seal boss 22, therefore this
The first sealant 4 that outer layer is arranged in utility model can be pressurized self-sealing, to further ensure sealing effect.
Preferably, the angle α of 4 upper surface of the first sealant and 2 axial line of motor driving shaft is 65-85 degree, at this
In the range of tilt angles of sample, the first sealant 4 has best compression self-sealing effect.
As shown in Fig. 2, second sealant 5 includes integrally formed guide part 51 and sealing 52, the sealing
52 one end far from guide part 51 is fixedly connected with sealing ring main body 1,52 inner surface of sealing and 2 side of motor driving shaft
It fits, guide part 51 and sealing 52 join end to end in a ring, and the diameter of guide part 51 is by one end far from sealing 52
It is gradually become smaller to one end close to sealing 52.
After being installed, guide part 51 is close to inside, and sealing 52 is close to outside, therefore during the installation process, guide part 51
It is first in contact with motor driving shaft 2, therefore sets the diameter of guide part 51 to from one end far from sealing 52 to close to sealing
The one end in portion 52 gradually becomes smaller, and can be inserted into convenient for motor driving shaft 2 to complete to install in guide part 51, the diameter of sealing 52 compared with
The diameter of guide part 51 is smaller, sealing 52 can in this way be bonded with motor driving shaft 2 even closer, to guarantee sealing effect
Fruit.
Referring to figs. 1 and 2, it is additionally provided with abutting portion 7 in the sealing ring main body 1, abutting portion 7 is by elastic material system
, described 7 one end of abutting portion is connected with sealing ring main body 1, and the other end is connected with the outer surface of sealing 52, sealing 52 it is straight
Diameter is slightly less than the diameter of motor driving shaft 2, therefore the pressure between sealing 52 and motor driving shaft 2 can be improved after abutting portion 7 is arranged
Power, to guarantee tightness degree.
Preferably, the abutting spring 8 being parallel to each other in the abutting portion 7 equipped with several axial lines, the abutting spring 8
The axial line of axial line and motor driving shaft 2 be mutually perpendicular to, pushing against spring 8 can further improve sealing 52 and motor driven
Pressure between axis 2, push against spring 8 between axial line it is arranged in parallel can guarantee several push against springs 8 generate it is maximum
With joint efforts.
Preferably, the abutting portion 7 is made by compressed sponge, and compressed sponge is porous structure, therefore may also function as disappear simultaneously
The effect of sound, to reduce the noise generated in motor operation course.
As shown in Fig. 2, being equipped with buffer cavity 9 between the abutting portion 7 and sealing ring main body 1, buffer cavity 9 can play slow
The effect of punching, to improve the shock resistance effect of sealing ring main body 1.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although sealing ring main body 1, motor driving shaft 2, motor body 3, the first sealant 4, is used more herein
Two sealants 5, heat dissipation cavity 6, abutting portion 7, push against spring 8, buffer cavity 9, locating slot 21, seal boss 22, guide part 51,
The terms such as sealing 52, but it does not exclude the possibility of using other terms.The use of these items is only for more easily
Describe and explain the essence of the utility model；It is construed as any additional limitation all and is and the spirit of the present invention
It disagrees.
Claims (10)
1. a kind of high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors, including sealing ring main body (1), the sealing
Circle main body (1) inner surface fits with motor driving shaft (2), and sealing ring main body (1) outer surface is connected on motor body (3),
It is characterized by: sealing ring main body (1) inner surface is successively arranged the first sealant along motor driving shaft (2) direction of axis line
(4) and the second sealant (5), there is heat dissipation cavity (6), described second is close between the first sealant (4) and the second sealant (5)
Sealing (5) fits with motor driving shaft (2) side, and first sealant (4) is pressed on motor driving shaft (2).
2. the high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors as described in claim 1, it is characterised in that: institute
Stating motor driving shaft (2) surface has the locating slot (21) being recessed inwardly, the locating slot (21) and motor driving shaft (2) outside
It is connected between wall by seal boss (22), the first sealant (4) is pressed on seal boss (22).
3. the high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors as claimed in claim 2, it is characterised in that: institute
State the first sealant (4) in a ring, and the first sealant (4) one end is fixedly connected on sealing ring main body (1) inner surface, the other end
Extend towards close to motor driving shaft (2) direction of axis line, the cross-sectional area of first sealant (4) is by close to sealing ring main body
(1) one end gradually becomes smaller to one end close to seal boss (22).
4. the high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors as claimed in claim 2, it is characterised in that: institute
The first sealant (4) are stated gradually to tilt to the direction close to the second sealant (5) close to the one end of seal boss (22).
5. the high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors as claimed in claim 4, it is characterised in that: institute
The angle α for stating the first sealant (4) upper surface and motor driving shaft (2) axial line is 65-85 degree.
6. the high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors as described in claim 1, it is characterised in that: institute
Stating the second sealant (5) includes integrally formed guide part (51) and sealing (52), and the sealing (52) is far from guide part
(51) one end is fixedly connected with sealing ring main body (1), and sealing (52) inner surface is affixed with motor driving shaft (2) side
It closes, guide part (51) and sealing (52) join end to end in a ring, and the diameter of guide part (51) is by separate sealing (52)
One end gradually becomes smaller to one end close to sealing (52).
7. the high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors as claimed in claim 6, it is characterised in that: institute
State and be additionally provided with abutting portion (7) in sealing ring main body (1), abutting portion (7) are made by elastic material, described abutting portion (7) one end with
Sealing ring main body (1) is connected, and the other end is connected with the outer surface of sealing (52).
8. the high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors as claimed in claim 7, it is characterised in that: institute
Abutting portion (7) is stated to be made by compressed sponge.
9. the high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors as claimed in claim 7, it is characterised in that: institute
State the abutting spring (8) being parallel to each other in abutting portion (7) equipped with several axial lines, the axial line for pushing against spring (8) with
The axial line of motor driving shaft (2) is mutually perpendicular to.
10. the high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors as claimed in claim 7, it is characterised in that:
Buffer cavity (9) are equipped between the abutting portion (7) and sealing ring main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228338.0U CN209462141U (en) | 2019-02-21 | 2019-02-21 | The high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228338.0U CN209462141U (en) | 2019-02-21 | 2019-02-21 | The high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462141U true CN209462141U (en) | 2019-10-01 |
Family
ID=68046774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920228338.0U Expired - Fee Related CN209462141U (en) | 2019-02-21 | 2019-02-21 | The high-grade low heat generation prevention structure of Flame-Proof Three-Phase Induction Motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462141U (en) |
-
2019
- 2019-02-21 CN CN201920228338.0U patent/CN209462141U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 Termination date: 20200221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |