CN213744918U - Oil seal of low-torque dustproof lip structure - Google Patents

Oil seal of low-torque dustproof lip structure Download PDF

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Publication number
CN213744918U
CN213744918U CN202021791649.7U CN202021791649U CN213744918U CN 213744918 U CN213744918 U CN 213744918U CN 202021791649 U CN202021791649 U CN 202021791649U CN 213744918 U CN213744918 U CN 213744918U
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China
Prior art keywords
lip
rubber layer
dustproof
dust lip
dust
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CN202021791649.7U
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Chinese (zh)
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陈国忠
孙敢
林元益
王贵斌
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Taizhou Enpu Seal Co ltd
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Taizhou Enpu Seal Co ltd
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Abstract

The utility model discloses a belong to oil blanket equipment technical field, specifically be an oil blanket of low moment of torsion dustproof lip structure, including skeleton, rubber face, external diameter, terminal surface, spring lip, seal lip, spring groove, waist and dustproof lip, the fixed rubber layer that is provided with of skeleton outer wall, the fixed external diameter that is provided with of rubber layer outer wall, the fixed terminal surface that is provided with in rubber layer bottom, the fixed spring lip that is provided with in rubber layer right side top, this kind of oil blanket of low moment of torsion dustproof lip structure through adopting a brand-new dustproof lip geometry, improves dustproof lip flexibility, under the prerequisite of guaranteeing dustproof effect to reduce the rotational friction moment of torsion of dustproof lip, make the product life cycle of this kind of structure oil blanket longer, and user experience and in-service use effect are better.

Description

Oil seal of low-torque dustproof lip structure
Technical Field
The utility model discloses a belong to oil blanket equipment technical field, specifically be an oil blanket of low moment of torsion dustproof lip structure.
Background
The oil seal is generally referred to as a framework oil seal. The oil seal generally serves to isolate the components to be lubricated from the external environment, so as not to allow the lubricating oil to leak. The framework acts as a reinforcement for the steel bars inside the concrete member and allows the oil seal to maintain shape and tension. According to the structural form, the single-lip framework oil seal and the double-lip framework oil seal can be separated. The auxiliary lip of the double-lip framework oil seal plays a dustproof role, and prevents external dust, impurities and the like from entering the machine. The framework type oil seal can be divided into an inner-wrapped framework oil seal, an exposed framework oil seal and an assembled oil seal. It can be divided into rotary skeleton oil seal and reciprocating skeleton oil seal according to working condition. The oil seal dustproof lip structure is used for a gasoline engine crankshaft, a diesel engine crankshaft, a gearbox, a differential mechanism, a shock absorber, an engine, an axle and the like, and the existing oil seal dustproof lip structure is large in rigidity of the dustproof lip, poor in flexibility and large in rotary friction torque.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
In view of current oil blanket dust lip structure, dust lip rigidity is big, and the flexibility is not good, and the big problem of rotational friction moment of torsion has been proposed the utility model discloses.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme: the utility model provides an oil blanket of low moment of torsion dustproof lip structure, includes skeleton, rubber layer, external diameter, terminal surface, spring lip, seal lip, spring groove, waist and dustproof lip, the fixed rubber layer that is provided with of skeleton outer wall, the fixed external diameter that is provided with of rubber layer outer wall, the rubber layer bottom mounting is provided with the terminal surface, the fixed spring lip that is provided with in rubber layer right side top, the fixed seal lip that is provided with of rubber layer right-hand member medial side, the fixed spring groove that is provided with in rubber layer right-hand member inboard, the fixed waist that is provided with of rubber layer right-hand member medial side, the fixed seven groups that are provided with of rubber layer right-hand member improve its flexibility and reduce its rotational friction moment of torsion dustproof lip, the dustproof lip right-hand member is raised perpendicularly upwards, and there is the distance with terminal surface bottom water flat line.
Preferably, the clearance between the structure of the dust lip and the horizontal line of the bottom end is in a trapezoid shape.
Preferably, the dust lip is arc-shaped, and the bottom end of the dust lip and the bottom end of the end face are located on the same horizontal line.
Preferably, the dust lip is in a circular arch shape, and the bottom end of the dust lip and the bottom end of the end face are located on the same horizontal line.
Preferably, the dust lip is in a straight shape, and a certain gap exists between the bottom end of the dust lip and the horizontal line of the bottom end of the end face.
Preferably, the dust lip is inclined.
Preferably, the dust lip is serrated.
Compared with the prior art, the beneficial effects of the utility model are that: the existing oil seal dustproof lip structure is large in rigidity, poor in flexibility and large in rotary friction torque, improves the flexibility of the dustproof lip through adopting a brand-new dustproof lip geometric structure, and is ensured to be dustproof under the premise of ensuring the dustproof effect, so that the rotary friction torque of the dustproof lip is reduced, the service life of a product of the oil seal with the structure is longer, and the user experience and the actual use effect are better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a conventional oil seal structure;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a schematic structural view of the present invention;
FIG. 6 is a schematic structural view of the present invention;
FIG. 7 is a schematic structural view of the present invention;
fig. 8 is a schematic structural diagram of the present invention.
In the figure: 100 skeletons, 200 rubber layers, 300 outer diameters, 400 end faces, 500 spring protection lips, 600 sealing lips, 700 spring grooves, 800 waist parts and 900 dust prevention lips.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a, useful effect for in the use, simple structure has improved work efficiency, please refer to fig. 1, skeleton 100, rubber layer 200, external diameter 300 and terminal surface 400;
referring to fig. 2, an oil seal with a low torque dustproof lip structure comprises a frame 100, a rubber 200, an outer diameter 300, an end surface 400, a spring guard 500, a seal lip 600, a spring groove 700, a waist 800 and a dustproof lip 900, wherein the outer wall of the frame 100 is fixedly provided with a rubber layer 200, the outer wall of the rubber layer 200 is fixedly provided with the outer diameter 300, the bottom end of the rubber layer 200 is fixedly provided with the end surface 400, the top end of the right side of the rubber layer 200 is fixedly provided with the spring guard 500, the middle side of the right end of the rubber layer 200 is fixedly provided with the seal lip 600, the inner side of the right end of the rubber layer 200 is fixedly provided with the spring groove 700, the middle side of the right end of the rubber layer 200 is fixedly provided with the waist 800, the right end of the rubber layer 200 is fixedly provided with the dustproof lip 900, the frame 100 is annular, the cross section of the frame 100 is L-shaped, the rubber ring 200 wraps the frame 100 to form a seal structure, the existing oil seal structure has a high rigidity of the dustproof lip, the flexibility is poor, and the rotating friction torque is large;
referring to fig. 1 again, the gap between the structure of the dust lip 900 and the horizontal line is trapezoidal, so that the flexibility of the dust lip is improved on the premise of ensuring the dust-proof effect, and the rotational friction torque of the dust lip is reduced;
referring to fig. 3, the dust lip 900 is arc-shaped, and the bottom end of the dust lip 900 and the bottom end of the end face 400 are located on the same horizontal line, so that the flexibility of the dust lip is improved on the premise of ensuring the dust-proof effect, and the rotational friction torque of the dust lip is reduced;
referring to fig. 4, the dust lip 900 is in a circular arch shape, and the bottom end of the dust lip 900 and the bottom end of the end face 400 are located on the same horizontal line, so that the flexibility of the dust lip is improved on the premise of ensuring the dust-proof effect, and the rotational friction torque of the dust lip is reduced;
referring to fig. 5, the dust lip 900 is in a shape of a straight line, and a certain gap exists between the bottom end of the dust lip 900 and the horizontal line of the bottom end of the end face 400, so that the flexibility of the dust lip is improved on the premise of ensuring the dust-proof effect, and the rotational friction torque of the dust lip is reduced;
referring to fig. 6, the dust lip 900 is inclined, so as to improve the flexibility of the dust lip and reduce the rotational friction torque of the dust lip on the premise of ensuring the dust-proof effect;
referring to fig. 7, the dust lip 900 is serrated, so as to improve flexibility of the dust lip and reduce rotational friction torque of the dust lip while ensuring a dust-proof effect;
referring to fig. 8, the top right end of the dust lip 900 is raised vertically upward, and there is a distance between the bottom end of the dust lip 900 and the horizontal line of the bottom end of the end face 400, so as to improve the flexibility of the dust lip and reduce the rotational friction torque of the dust lip on the premise of ensuring the dust-proof effect.
When specifically using, this technical field personnel can utilize the dustproof lip 900 structure in two to eight figures of picture, under the prerequisite of guaranteeing dustproof effect to reduce the rotatory friction moment of torsion of dustproof lip, make the product of this kind of structure oil blanket use life cycle longer, and user experience and actual use effect are better.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. The utility model provides an oil blanket of low moment of torsion dustproof lip structure, includes skeleton (100), rubber layer (200), external diameter (300), terminal surface (400), spring lip (500), seal lip (600), spring groove (700), waist (800) and dustproof lip (900), its characterized in that: the fixed rubber layer (200) that is provided with of skeleton (100) outer wall, the fixed external diameter (300) that is provided with of rubber layer (200) outer wall, rubber layer (200) bottom mounting is provided with terminal surface (400), the fixed spring lip (500) that is provided with in rubber layer (200) right side top, the fixed seal lip (600) that is provided with of rubber layer (200) right-hand member medial side, rubber layer (200) right-hand member inboard is fixed and is provided with spring groove (700), the fixed waist (800) that is provided with of rubber layer (200) right-hand member medial side, rubber layer (200) right-hand member is fixed and is provided with seven groups and improves its flexibility and reduces its rotational friction moment of torsion dust lip (900), dust lip (900) right-hand member is upwards raised perpendicularly, and there is the distance with terminal surface (400) bottom water flat line in dust lip (900) bottom.
2. The oil seal of a low-torque dust lip structure according to claim 1, characterized in that: the clearance between the structure of the dust lip (900) and the horizontal line at the bottom end is in a trapezoid shape.
3. The oil seal of a low-torque dust lip structure according to claim 1, characterized in that: the dustproof lip (900) is arc-shaped, and the bottom end of the dustproof lip (900) and the bottom end of the end face (400) are located on the same horizontal line.
4. The oil seal of a low-torque dust lip structure according to claim 1, characterized in that: the dustproof lip (900) is in a circular arch shape, and the bottom end of the dustproof lip (900) and the bottom end of the end face (400) are located on the same horizontal line.
5. The oil seal of a low-torque dust lip structure according to claim 1, characterized in that: the dust lip (900) is in a straight shape, and a certain gap exists between the bottom end of the dust lip (900) and the horizontal line of the bottom end of the end face (400).
6. The oil seal of a low-torque dust lip structure according to claim 1, characterized in that: the dust lip (900) is inclined.
7. The oil seal of a low-torque dust lip structure according to claim 1, characterized in that: the dust lip (900) is in a sawtooth shape.
CN202021791649.7U 2020-08-25 2020-08-25 Oil seal of low-torque dustproof lip structure Active CN213744918U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021791649.7U CN213744918U (en) 2020-08-25 2020-08-25 Oil seal of low-torque dustproof lip structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021791649.7U CN213744918U (en) 2020-08-25 2020-08-25 Oil seal of low-torque dustproof lip structure

Publications (1)

Publication Number Publication Date
CN213744918U true CN213744918U (en) 2021-07-20

Family

ID=76840557

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021791649.7U Active CN213744918U (en) 2020-08-25 2020-08-25 Oil seal of low-torque dustproof lip structure

Country Status (1)

Country Link
CN (1) CN213744918U (en)

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