CN209462142U - A kind of motor of good water-proof effect - Google Patents
A kind of motor of good water-proof effect Download PDFInfo
- Publication number
- CN209462142U CN209462142U CN201920507804.9U CN201920507804U CN209462142U CN 209462142 U CN209462142 U CN 209462142U CN 201920507804 U CN201920507804 U CN 201920507804U CN 209462142 U CN209462142 U CN 209462142U
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- CN
- China
- Prior art keywords
- hole
- shaft
- rubber seal
- motor
- circular hole
- 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.)
- Expired - Fee Related
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- Motor Or Generator Frames (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model provides a kind of motor of good water-proof effect, belongs to motor field.The motor of this good water-proof effect includes machine barrel and the shaft that is horizontally set in machine barrel, machine barrel front end is equipped with the through-hole with shaft face, through-hole is stretched out in shaft front end, shaft rear end stretches out machine barrel and is connected with flabellum, through-hole is made of the conical bore and circular hole being connected, for circular hole between conical bore and flabellum, conical bore maximum diameter of hole is identical as circular hole；Annular rubber sealing element is equipped in through-hole, rubber seal covers outside shaft, and rubber seal inner sidewall offsets with shaft side wall, and rubber seal lateral wall is made of circular conical surface and cylindrical surface, circular conical surface and cylindrical surface respectively with conical bore and circular hole hole wall closely against；Pressure ring is equipped in circular hole, shaft side wall is equipped with annular groove, be connected with circlip in annular groove, pressure ring both ends of the surface respectively with circlip and rubber seal tight abutment.The utility model has the advantages that good water-proof effect.
Description
Technical field
The utility model belongs to motor field, is related to a kind of motor, especially a kind of motor of good water-proof effect.
Background technique
Motor is a kind of equipment for converting electrical current into mechanical energy, it is to use the power on coil to generate rotating excitation field and make
Electro-magnetic motor force rotation torque is formed for rotor.
The shaft that traditional motor generally comprises machine barrel and is horizontally set in machine barrel.Wherein, the front end of shaft is with after
Machine barrel is stretched out at end, and the rear end of shaft is connected with flabellum, for motor fan heat.
In conventional motors, there are certain intervals between shaft and machine barrel.When motor applications are in moister work
When in condition, extraneous water is easily entered in machine barrel inner cavity, leads to machine barrel inner cavity water accumulation, to influence the performance of motor, sternly
Weight directly results in motor damages.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of electricity of good water-proof effect
The technical issues of motivation, solution is how to improve waterproof performance.
The purpose of this utility model can be realized by the following technical scheme: a kind of motor of good water-proof effect, including
Machine barrel and the shaft being horizontally set in machine barrel, machine barrel front end is equipped with the through-hole with shaft face, and through-hole is stretched out in shaft front end,
Shaft rear end stretches out machine barrel and is connected with flabellum, which is characterized in that and above-mentioned through-hole is made of the conical bore and circular hole being connected,
Circular hole is between conical bore and flabellum, and the maximum diameter of hole of conical bore is identical as circular hole；It is equipped in above-mentioned through-hole annular in shape
Rubber seal, rubber seal covers outside shaft, and the inner sidewall of rubber seal and the side wall of shaft offset, and rubber is close
The lateral wall of sealing is made of circular conical surface and cylindrical surface, and circular conical surface and cylindrical surface are close with the hole wall of conical bore and circular hole respectively
It reclines；Pressure ring is equipped in the circular hole, pressure ring covers outside shaft, and the side wall of shaft is equipped with annular groove, clamping in annular groove
Have a circlip, and the both ends of the surface of pressure ring respectively with circlip and rubber seal tight abutment.
Under circlip and pressure ring cooperation, so that rubber seal is had the trend of forward movement always, promote rubber seal
Lateral wall and inner sidewall keep being in close contact with through hole wall and shaft side wall always and form sealing, to effectively prevent water to pass through
Rotating shaft position enters motor interior, Lai Tigao motor life and job stability.
In the motor of above-mentioned good water-proof effect, offered on the inner sidewall of the rubber seal annular in shape
Oil groove, oil groove and rubber seal coaxial line arrangement, and lubricant grease is filled in oil groove.Using above-mentioned design, to lubricate rubber
Contact surface between glue sealing element and shaft, the rate of wear of Lai Yanhuan rubber seal, thus extend high waterproof effect when
Between.
In the motor of above-mentioned good water-proof effect, the lateral wall of the pressure ring be with the matched cylindrical surface of circular hole,
And the lateral wall of pressure ring mutually reclines with the hole wall of circular hole.
In the motor of above-mentioned good water-proof effect, it is arranged and is fixed with limit film outside the shaft, and rubber is close
Sealing is pressed in limit film far from one end of pressure ring.Limit film is used to limit the position of rubber seal Forward, keeps rubber close
Sealing is disposably installed in place.
In the motor of above-mentioned good water-proof effect, the oil groove is at least distributed there are two and along the axial direction of shaft.
Compared with prior art, the motor of this good water-proof effect makes rubber seal begin under circlip and pressure ring cooperation
Have the trend of forward movement eventually, the lateral wall of rubber seal and inner sidewall is promoted to protect always with through hole wall and shaft side wall
Hold close contact and form sealing, to effectively prevent water to enter motor interior by rotating shaft position, Lai Tigao motor life with
Job stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the motor of this good water-proof effect.
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A.
Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at B.
Fig. 4 is the structural schematic diagram of through-hole.
In figure, 1, machine barrel；1a, through-hole；1a1, conical bore；1a2, circular hole；2, shaft；3, flabellum；4, rubber seal；
4a, circular conical surface；4b, cylindrical surface；4c, oil groove；5, pressure ring；6, circlip；7, limit film.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, the motor of this good water-proof effect includes machine barrel 1 and the shaft 2 that is horizontally set in machine barrel 1.Its
In, 1 front end of machine barrel is axially penetrated through along the machine barrel 1 equipped with through-hole 1a, and the position through-hole 1a is faced with shaft 2, and before shaft 2
Through-hole 1a is stretched out at end.1 rear end of machine barrel is axially penetrated through along machine barrel 1 equipped with connecting hole, and 2 rear end of shaft passes through connecting hole and is connected with
Flabellum 3.
Specifically, as shown in Figure 1 and Figure 4, through-hole 1a is made of the conical bore 1a1 and circular hole 1a2 being connected, conical bore
Axial direction distribution of the 1a1 and circular hole 1a2 along shaft 2.Wherein, circular hole 1a2 is between conical bore 1a1 and flabellum 3, conical bore 1a1
Aperture become larger from front to back, and the maximum diameter of hole of conical bore 1a1 is identical as circular hole 1a2.It is preferred that circular hole 1a2 and conical bore
Pass through smooth transition between 1a1.
As shown in Figures 2 and 3, rubber seal 4 annular in shape is equipped in through-hole 1a, 4 sets of rubber seal in shaft 2
Outside, and the inner sidewall of rubber seal 4 and the side wall of shaft 2 offset and form sealing.The lateral wall of rubber seal 4 is by circular cone
Face 4a and cylindrical surface 4b composition, and circular conical surface 4a and cylindrical surface 4b are closely pasted with the hole wall of conical bore 1a1 and circular hole 1a2 respectively
It leans on；Pressure ring 5 is equipped in the circular hole 1a2,5 sets of pressure ring outside shaft 2, the side wall of shaft 2 is equipped with annular groove, in annular groove
Be connected with circlip 6, and the both ends of the surface of pressure ring 5 respectively with 4 tight abutment of circlip 6 and rubber seal.Match in circlip 6 and pressure ring 5
Under conjunction, rubber seal 4 is made to have the trend of forward movement always, the lateral wall and inner sidewall for promoting rubber seal 4 are always
It keeps being in close contact with through-hole 1a hole wall and 2 side wall of shaft and forms sealing, it is electronic to effectively prevent water to enter by 2 position of shaft
Inside machine, Lai Tigao motor life and job stability.
It further illustrates, offers oil groove 4c annular in shape, oil groove 4c and rubber seal on the inner sidewall of rubber seal 4
4 coaxial line of part arrangement, and lubricant grease is filled in oil groove 4c, to lubricate the contact surface between rubber seal 4 and shaft 2.
At least there are two and along the axial direction distributions of shaft 2 by oil groove 4c.It is preferred that the quantity of oil groove 4c is 2.
As shown in figure 3, the lateral wall of pressure ring 5 is and the matched cylindrical surface 4b of circular hole 1a2, and the lateral wall and circle of pressure ring 5
The hole wall of hole 1a2 mutually reclines.It is arranged and is fixed with limit film 7 outside shaft 2, and rubber seal 4 is compressed far from one end of pressure ring 5
In limit film 7.Limit film 7 is used to limit the position of the Forward of rubber seal 4, is installed in place rubber seal 4 disposably.
It is preferred that limit film 7 and shaft 2 are fixedly connected with by welding.
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.
Claims (5)
1. a kind of motor of good water-proof effect, including machine barrel (1) and the shaft (2) being horizontally set in machine barrel (1), machine barrel
(1) front end is equipped with the through-hole (1a) with shaft (2) face, and through-hole (1a) is stretched out in shaft (2) front end, and shaft (2) rear end is stretched out
Machine barrel (1) is simultaneously connected with flabellum (3), which is characterized in that above-mentioned through-hole (1a) is by the conical bore (1a1) and circular hole that are connected
(1a2) composition, circular hole (1a2) is located between conical bore (1a1) and flabellum (3), and the maximum diameter of hole of conical bore (1a1) and circular hole
(1a2) is identical；Rubber seal (4) annular in shape is equipped in above-mentioned through-hole (1a), rubber seal (4) is covered in shaft (2)
Outside, and the inner sidewall of rubber seal (4) and the side wall of shaft (2) offset, and the lateral wall of rubber seal (4) is by circular conical surface
(4a) and cylindrical surface (4b) composition, and the hole with conical bore (1a1) and circular hole (1a2) respectively circular conical surface (4a) and cylindrical surface (4b)
Wall closely against；Be equipped with pressure ring (5) in the circular hole (1a2), pressure ring (5) cover shaft (2) outside, on the side wall of shaft (2)
Equipped with annular groove, be connected in annular groove circlip (6), and the both ends of the surface of pressure ring (5) respectively with circlip (6) and rubber seal
(4) tight abutment.
2. the motor of good water-proof effect according to claim 1, which is characterized in that the rubber seal (4)
It is offered on inner sidewall oil groove annular in shape (4c), oil groove (4c) and rubber seal (4) coaxial line arrangement, and in oil groove (4c)
Filled with lubricant grease.
3. the motor of good water-proof effect according to claim 1 or 2, which is characterized in that the outside of the pressure ring (5)
Wall be with the matched cylindrical surface (4b) circular hole (1a2), and the lateral wall of pressure ring (5) mutually reclines with the hole wall of circular hole (1a2).
4. the motor of good water-proof effect according to claim 1, which is characterized in that be arranged simultaneously outside the shaft (2)
It is fixed with limit film (7), and rubber seal (4) is pressed on limit film (7) far from the one end of pressure ring (5).
5. the motor of good water-proof effect according to claim 2, which is characterized in that the oil groove (4c) at least two
A and axial direction distribution along shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920507804.9U CN209462142U (en) | 2019-04-15 | 2019-04-15 | A kind of motor of good water-proof effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920507804.9U CN209462142U (en) | 2019-04-15 | 2019-04-15 | A kind of motor of good water-proof effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462142U true CN209462142U (en) | 2019-10-01 |
Family
ID=68047913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920507804.9U Expired - Fee Related CN209462142U (en) | 2019-04-15 | 2019-04-15 | A kind of motor of good water-proof effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462142U (en) |
-
2019
- 2019-04-15 CN CN201920507804.9U patent/CN209462142U/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 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |