CN209688111U - Motor sealing easy to assemble - Google Patents
Motor sealing easy to assemble Download PDFInfo
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- CN209688111U CN209688111U CN201920361139.7U CN201920361139U CN209688111U CN 209688111 U CN209688111 U CN 209688111U CN 201920361139 U CN201920361139 U CN 201920361139U CN 209688111 U CN209688111 U CN 209688111U
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- lip
- labial angle
- support frame
- axial
- spring
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Abstract
The utility model discloses a kind of motor sealings easy to assemble, it includes seal and support frame, the seal includes axial part, radial part and the lip cooperated with motor shaft, the radial part is connected to the upper end of axial part, the medial end and outboard end of the radial part protrude the medial surface and lateral surface of the axial part respectively, the lip is connected on medial end, the lip from top to bottom successively includes the first lip, second lip and third lip, grease pocket is provided between first lip and the second lip and between the second lip and third lip, the sealing direction of first lip and second lip is upward, the sealing of the third lip is directed downward；Support frame as described above includes axial support frame and radial support frame, and the axial direction support frame is embedded in the axial part, and the radial support frame is embedded in the radial part.Not only sealing performance is excellent for the utility model, but also easy to disassemble, versatile.
Description
Technical field
The utility model relates to a kind of motor sealings easy to assemble.
Background technique
Currently, many motor needs are placed in water use, such as washing machine, soy bean milk making machine, blender etc. in production and living,
Motor shaft must stretch out work, very high requirement be proposed to the sealing between motor shaft and motor shaft sleeve, if sealing performance
It is bad, it may appear that the problems such as water inlet, slag input, by the performance and service life of strong influence motor, and motor sealing is damaged
It is difficult to dismantle when badly needing replacing, replacement is inconvenient.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of motor shaft easy to assemble
Sealing, not only sealing performance is excellent for it, but also easy to disassemble, versatile.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is: a kind of motor sealing easy to assemble, it is wrapped
Include seal and support frame, wherein
The seal includes axial part, radial part and the lip with motor shaft cooperation, and the axial part is sealed by a circle
Wall surrounds, and the radial part is connected to the upper end of axial part, and the medial end and outboard end of the radial part protrude respectively
The medial surface and lateral surface of the axial part, the lip are connected on the medial end, and the lip is from top to bottom successively
Including the first lip, the second lip and third lip, the width u of second lip is 0.25 ~ 0.6 millimeter, first lip and the second lip
Between and the second lip and third lip between be provided with grease pocket, before first lip has first after labial angle A and first
Labial angle B, labial angle B after labial angle A is greater than first before first, labial angle A is 40 ° ~ 70 ° before described first, and labial angle B is after described first
15 ° ~ 35 °, labial angle D after labial angle C and second before second lip has second, labial angle D after labial angle C is greater than second before second, institute
Labial angle C is 40 ° ~ 70 ° before stating second, and labial angle D is 20 ° ~ 40 ° after described second, and the third lip has before third labial angle E and the
Labial angle F after three, labial angle E is greater than labial angle F after third before third, and labial angle E is 35 ° ~ 70 ° before the third, labial angle F after the third
It is 15 ° ~ 35 °, upward, the sealing of the third lip is directed downward in the sealing direction of first lip and second lip；
Support frame as described above includes axial support frame and radial support frame, and the inner end of the radial support frame is axially propped up with described
The upper end of support is connected in bending, and the axial direction support frame is embedded in the axial part, and the radial support frame is embedded in
In the radial part, and the outer end of the radial support frame extends to the outboard end of the radial part.
Further for sealing performance is improved, the lower end surface of the outboard end of the radial part is provided at least together close
Seal the sealing bar on the shaft section of body for triangle.
Further for the installation for facilitating the motor sealing, it is provided with ripple on the lateral wall of the axial part, institute
The circumferential direction that ripple is stated along lateral wall is provided with 3 ~ 10.
Further, the diameter at the procheilon of first lip, the second lip and third lip is respectively 5 ~ 20 millimeters；And/or institute
The outer diameter N for stating axial part is 10 ~ 35mm；And/or the height H of the seal in the axial direction is 4 ~ 15 millimeters.
Further, the procheilon of the first lip and the magnitude of interference of motor shaft cooperation are 0.2 ~ 1 millimeter；And/or second lip
Procheilon and the magnitude of interference of motor shaft cooperation are 0.3 ~ 0.8 millimeter；And/or the interference of the procheilon of the third lip and motor shaft cooperation
Amount is 0.3 ~ 1 millimeter.
Further for sealing performance is improved, the motor sealing easy to assemble further includes being arranged on the outside of the third lip
Spring.
Further, the spring is presented axially in the lower section of the procheilon of the third lip, and spring and the third
Axial distance z between the procheilon of lip is 0.2 ~ 0.8mm.
Further for avoiding the spring from falling off, the bullet for being embedded in the spring is provided on the outside of the third lip
Spring slot, the opening of the spring groove are less than the diameter of the spring, and on the shaft section of spring, spring groove wraps spring
More than the part of half, spring groove is detached to avoid spring.
After above-mentioned technical proposal, first lip, the second lip and third lip are interference fitted with motor shaft, described
The axial part and motor shaft sleeve of seal are interference fitted, and are realized the sealing between motor shaft and axle sleeve, are embedded in inside seal
There is support frame, the stability of sealing can be effectively improved, the outboard end of the radial part protrudes the axial part lateral surface, described
Radial part is protruded except motor shaft sleeve, and the dismounting of the motor sealing is facilitated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the motor sealing easy to assemble of the utility model.
Specific embodiment
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model.
Fig. 1 is the structural schematic diagram of the motor sealing easy to assemble of the utility model；
As shown in Figure 1, a kind of motor sealing easy to assemble, it includes seal and support frame, and the seal includes axis
To portion 11, radial part 12 and the lip cooperated with motor shaft, the axial part 11 is surrounded by a circle sealed wall, the radial part 12
It is connected to the upper end of axial part 11, the medial end 121 and outboard end 122 of the radial part 12 protrude the axial direction respectively
The medial surface and lateral surface in portion 11, the lip are connected on the medial end 121, and the lip from top to bottom successively includes
First lip 13, the second lip 14 and third lip 15, first lip 13 play the role of good pushing off the slag, the width of second lip 14
U can be 0.25 ~ 0.6 millimeter, be all provided between first lip 13 and the second lip 14 and between the second lip 14 and third lip 15
Be equipped with grease pocket 2, be coated with suitable lubricating grease in the grease pocket 2, before first lip 13 has first labial angle A and
Labial angle B after first, labial angle B after labial angle A is greater than first before first, labial angle A can be 40 ° ~ 70 ° before described first, described first
Labial angle B can be 15 ° ~ 35 ° afterwards, labial angle D after labial angle C and second before second lip 14 has second, and labial angle C is greater than before second
Labial angle D after second, labial angle C can be 40 ° ~ 70 ° before described second, and labial angle D can be 20 ° ~ 40 ° after described second, described the
Three lips 15 have before third labial angle F after labial angle E and third, and labial angle E is greater than labial angle F after third, labial angle E before the third before third
It can be 35 ° ~ 70 °, labial angle F can be 15 ° ~ 35 ° after the third, the sealing side of first lip 13 and second lip 14
To upward, the sealing of the third lip 15 is directed downward, and the outboard end 122 protrudes the lateral surface of the axial part 11, side
Toilet states the dismounting of motor sealing；
Support frame as described above includes axial support frame 31 and radial support frame 32, the inner end of the radial support frame 32 with it is described
The upper end of axial support frame 31 is connected in bending, and the axial direction support frame 31 is embedded in the axial part 11, the radial direction
Support frame 32 is embedded in the radial part 12, and the outer end of the radial support frame 32 is to the outboard end of the radial part 12
Portion 122 extends, and the structure that support frame is connected using axial support frame with radial support frame is conducive to increase support frame and seal
Contact area, guarantee the stability and consistency of product, while easy to disassemble and install.In the present embodiment, described second
The width u of lip 14 is 0.5 millimeter, and labial angle A is 60 ° before described first, and labial angle B is 30 ° after described first, labial angle before described second
C is 59 °, and labial angle D is 32 ° after described second, and labial angle E is 55 ° before the third, and labial angle F is 25 ° after the third.
As shown in Figure 1, the lower end surface of the outboard end 122 of the radial part 12 is provided at least together in the axis of seal
It is the sealing bar 4 of triangle on section, to improve sealing effect, in the present embodiment, the sealing bar 4 is provided with 2.
As shown in Figure 1, being provided with ripple 5 on the lateral wall of the axial part 11, the ripple 5 can along the circumferential direction of lateral wall
To be provided with 3 ~ 10, to facilitate the installation of the motor sealing, in the present embodiment, the ripple 5 is provided with 6.
As shown in Figure 1, the diameter at the procheilon of first lip 13, the second lip 14 and third lip 15 can be respectively 5 ~ 20
Millimeter, the outer diameter N of the axial part 11 can be 10 ~ 35mm, and the height H of the seal in the axial direction can be 4 ~ 15 millis
Rice；In the present embodiment, the diameter at the procheilon of first lip 13, the second lip 14 and third lip 15 be respectively 16.4mm,
16.6mm and 16.5mm, the outer diameter N of the axial part 11 are 30mm, and the height H of the seal in the axial direction is 12 millimeters of
As shown in Figure 1, the procheilon of the first lip 13 and motor shaft cooperation magnitude of interference can be 0.2 ~ 1 millimeter, described second
The magnitude of interference of procheilon and the motor shaft cooperation of lip 14 can be 0.3 ~ 0.8 millimeter, and the procheilon of the third lip 15 is matched with motor shaft
The magnitude of interference of conjunction can be 0.3 ~ 1 millimeter；In the present embodiment, the magnitude of interference that the procheilon of the first lip 13 cooperates with motor shaft is
0.8 millimeter, the magnitude of interference of the procheilon of second lip 14 and motor shaft cooperation is 0.6 millimeter, the procheilon of the third lip 15 with
The magnitude of interference of motor shaft cooperation is 0.7 millimeter.
As shown in Figure 1, the motor sealing easy to assemble further includes the spring 6 that 15 outside of third lip is arranged in, with
Just the radial force being applied on third lip 15 is improved, sealing effect is improved.
As shown in Figure 1, the spring 6 is presented axially in the lower section of the procheilon of the third lip 15, and spring 6 and institute
The axial distance z stated between the procheilon of third lip 15 can be 0.2 ~ 0.8mm, in the present embodiment, spring 6 and third lip 15
Axial distance z between procheilon is 0.7mm.
As shown in Figure 1, the spring groove for being embedded in the spring 6 can be set in the outside of the third lip 15, it is described
The opening of spring groove is less than the diameter of the spring 6, and on the shaft section of spring 6, spring groove wraps spring 6 more than one
Half part is detached from spring groove to avoid spring 6.
The working principle of the utility model is as follows:
First lip 13, the second lip 14 and third lip 15 are interference fitted with motor shaft, the axial part of the seal
11 are interference fitted with motor shaft sleeve, realize the sealing between motor shaft and axle sleeve, are embedded with support frame inside seal, can have
Effect improves the stability of sealing, and the outboard end 122 of the radial part 12 protrudes 11 lateral surface of axial part, the radial part
12 protrusions facilitate the dismounting of the motor sealing except motor shaft sleeve.
Particular embodiments described above, to the utility model solve the technical issues of, technical scheme and beneficial effects into
It has gone further description, it should be understood that the foregoing is merely specific embodiment of the utility model, and has not had to
In limitation the utility model, within the spirit and principle of the utility model, any modification, equivalent substitution and improvement done
Deng should be included within the scope of protection of this utility model.
In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The equipment or element of finger must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
Claims (8)
1. a kind of motor sealing easy to assemble, it is characterised in that: it includes seal and support frame, wherein
The seal include axial part (11), radial part (12) and with motor shaft cooperation lip, the axial part (11) by
One circle sealed wall surrounds, and the radial part (12) is connected to the upper end of axial part (11), the inner end of the radial part (12)
Portion (121) and outboard end (122) protrude the medial surface and lateral surface of the axial part (11) respectively, and the lip is connected to institute
It states on medial end (121), the lip from top to bottom successively includes the first lip (13), the second lip (14) and third lip (15),
The width u of second lip (14) is 0.25 ~ 0.6 millimeter, between first lip (13) and the second lip (14) and the second lip
(14) it is provided between third lip (15) grease pocket (2), before first lip (13) has first after labial angle A and first
Labial angle B, labial angle B after labial angle A is greater than first before first, labial angle A is 40 ° ~ 70 ° before described first, and labial angle B is after described first
15 ° ~ 35 °, labial angle D after labial angle C and second before second lip (14) has second, labial angle after labial angle C is greater than second before second
D, labial angle C is 40 ° ~ 70 ° before described second, and labial angle D is 20 ° ~ 40 ° after described second, before the third lip (15) has third
Labial angle F after labial angle E and third, labial angle E is greater than labial angle F after third before third, and labial angle E is 35 ° ~ 70 ° before the third, and described the
Labial angle F is 15 ° ~ 35 ° after three, the sealing direction of first lip (13) and second lip (14) upward, the third lip
(15) sealing is directed downward；
Support frame as described above includes axial support frame (31) and radial support frame (32), the inner end of the radial support frame (32) and institute
The upper end for stating axial support frame (31) is connected in bending, and the axial direction support frame (31) is embedded in the axial part (11),
The radial support frame (32) is embedded in the radial part (12), and the outer end of the radial support frame (32) is to the diameter
Extend to the outboard end (122) of portion (12).
2. motor sealing easy to assemble according to claim 1, it is characterised in that: the outboard end of the radial part (12)
(122) it is together the sealing bar (4) of triangle on the shaft section of seal that lower end surface, which is provided at least,.
3. motor sealing easy to assemble according to claim 1, it is characterised in that: on the lateral wall of the axial part (11)
It is provided with ripple (5), the ripple (5) is provided with 3 ~ 10 along the circumferential direction of lateral wall.
4. motor sealing easy to assemble according to claim 1, it is characterised in that: first lip (13), the second lip
(14) and the diameter at the procheilon of third lip (15) is respectively 5 ~ 20 millimeters；And/or the outer diameter N of the axial part (11) be 10 ~
35mm；And/or the height H of the seal in the axial direction is 4 ~ 15 millimeters.
5. motor sealing easy to assemble according to claim 1, it is characterised in that: the procheilon and motor shaft of the first lip (13)
The magnitude of interference of cooperation is 0.2 ~ 1 millimeter；And/or the procheilon of second lip (14) and motor shaft cooperation magnitude of interference be 0.3 ~
0.8 millimeter；And/or the procheilon of the third lip (15) and the magnitude of interference of motor shaft cooperation are 0.3 ~ 1 millimeter.
6. motor sealing easy to assemble according to claim 1, it is characterised in that: further include being arranged in the third lip
(15) spring (6) on the outside of.
7. motor sealing easy to assemble according to claim 6, it is characterised in that: the spring (6) is presented axially in
The lower section of the procheilon of the third lip (15), and the axial distance z between spring (6) and the procheilon of the third lip (15) is
0.2~0.8mm。
8. motor sealing easy to assemble according to claim 6, it is characterised in that: the outside of the third lip (15) is arranged
There is the spring groove for being embedded in the spring (6), the opening of the spring groove is less than the diameter of the spring (6), and in bullet
On the shaft section of spring (6), spring groove wraps the part that spring (6) are more than half, is detached from spring groove to avoid spring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361139.7U CN209688111U (en) | 2019-03-20 | 2019-03-20 | Motor sealing easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361139.7U CN209688111U (en) | 2019-03-20 | 2019-03-20 | Motor sealing easy to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209688111U true CN209688111U (en) | 2019-11-26 |
Family
ID=68605790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920361139.7U Active CN209688111U (en) | 2019-03-20 | 2019-03-20 | Motor sealing easy to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209688111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013532A (en) * | 2022-08-09 | 2022-09-06 | 杭州海康威视数字技术股份有限公司 | Sealing structure and camera |
-
2019
- 2019-03-20 CN CN201920361139.7U patent/CN209688111U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013532A (en) * | 2022-08-09 | 2022-09-06 | 杭州海康威视数字技术股份有限公司 | Sealing structure and camera |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 251, Yanqiao, nanlanling village, Menghe Town, Xinbei District, Changzhou City, Jiangsu Province, 213000 Patentee after: CHANGZHOU DOMT SEALING TECHNOLOGY Co.,Ltd. Address before: 213000 new countryside north of five star street, bell tower area, Jiangsu, Changzhou Patentee before: CHANGZHOU DOMT SEALING TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |