CN213899869U

CN213899869U - Novel axle main tooth oil seal

Info

Publication number: CN213899869U
Application number: CN202022607548.6U
Authority: CN
Inventors: 赵春华; 薛正辉
Original assignee: Qingdao Shengtetai Sealing Co ltd
Current assignee: Qingdao Shengtetai Sealing Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-08-06
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a novel axle main tooth oil seal, which comprises an oil seal main body, an axle main tooth and a fixed shaft, the oil seal main body comprises an outer oil seal ring and an inner oil seal ring, the outer oil seal ring comprises an iron core and a rubber layer, the iron core is L-shaped, the rubber layer is wrapped on the surface of the iron core, the two ends of the top of the rubber layer are respectively provided with a rear chamfer and a front chamfer, the bottom of the outer oil seal ring is provided with an inner oil seal ring, the bottom of the inner oil seal ring is sequentially provided with a dust lip, a first tangent plane, a second tangent plane and a third tangent plane from left to right, the top of the inner oil seal ring and the position opposite to the first tangent plane are provided with a first spring groove, and one side of the first spring groove is provided with a rear blade tail, a first spring is clamped in the first spring groove, and a second spring groove is arranged at the top of the inner oil seal ring and at the position opposite to the third tangent plane. In short, this application technical scheme has that the leakproofness is good, easy to assemble and the advantage of dismantling.

Description

Novel axle main tooth oil seal

Technical Field

The utility model relates to an oil blanket technical field specifically is a novel axle owner tooth oil blanket.

Background

The oil seal is a common name of a sealing element, namely simply the sealing of lubricating oil, is a mechanical element used for sealing grease (oil is the most common liquid substance in a transmission system and also refers to the general liquid substance), separates a part needing to be lubricated in a transmission part from a force-applying part so as not to allow the lubricating oil to leak, is called as an oil seal by a sealing element for static sealing and dynamic sealing (generally reciprocating motion), is generally divided into a monomer type and an assembly type, the assembly type is that a framework and a lip mouth material can be freely combined, is generally used for a special oil seal, can be divided into a plurality of forms and different names from the sealing action, characteristics, structural types, working states, sealing mechanisms and the like of the oil seal, however, conventionally, the lip seal of the rotating shaft is called an oil seal, and the seal for static seal and dynamic seal (generally reciprocating motion) is called a seal, and the common materials of the oil seal are: the nitrile rubber has good heat resistance and wear resistance, resists various lubricating oil, lubricating grease, oil-gas mixture and the like, is applicable to the temperature of minus 30-120 ℃, can not be used in phosphate ester hydraulic oil and gear oil containing extreme pressure additives, and has stable performance in gasoline and low aniline point mineral oil; the polyacrylate rubber has excellent oil resistance and heat resistance, is wear-resistant, ozone-resistant and ultraviolet radiation-resistant, particularly resists lubricating oil, gear oil, motor oil, engine oil, petroleum hydraulic oil and the like containing extreme pressure agent, and is suitable for working at the temperature of between 30 ℃ below zero and 150 ℃; the fluororubber is ageing-resistant, heat-resistant and oil-resistant, is almost suitable for all lubricating oil, fuel oil and gasoline, is not easy to harden in oil containing extreme pressure additives, but has poor cold resistance and high-temperature wear resistance, has larger permanent compression deformation, and is suitable for the temperature of minus 20 ℃ to 250 ℃; the silicon rubber has outstanding high and low temperature resistance, and can be used for a super long time at 150 ℃ without performance change; can be continuously used for 10000h under 200 ℃ and can keep the special use elasticity, ozone resistance, weather resistance and other advantages within the working temperature range of-70 to 260; the polytetrafluoroethylene has outstanding chemical stability, thermal stability, antifriction and self-lubricating properties, and the cracking temperature is above 400, so that the polytetrafluoroethylene can normally work in the temperature range of-200 to 300 ℃, and has excellent corrosion resistance to chemicals, solvents, hydroxide compounds and acids besides free fluorine and alkali metals; the existing oil seal has the following disadvantages:

firstly, the method comprises the following steps: the existing oil seal is simple in structure and often has only one tangent plane, and the sealing performance cannot be guaranteed after the existing oil seal is used for a long time;

II, secondly: the existing oil seal is very laborious to install and disassemble, and needs other auxiliary tools to disassemble, thereby being time-consuming, labor-consuming and low in efficiency;

in view of the above, it is desirable to provide a novel axle main tooth oil seal.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel axle owner tooth oil blanket has solved current oil blanket structure comparatively simply, often only a tangent plane, and the leakproofness is after the longer use of time, and the leakproofness can not be ensured, install and dismantle very hard to need other appurtenance to dismantle, waste time and energy, problem that efficiency is very low.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a novel axle main tooth oil seal comprises an oil seal main body, an axle main tooth and a fixed shaft, wherein the oil seal main body comprises an outer oil seal ring and an inner oil seal ring, the outer oil seal ring comprises an iron core and a rubber layer, the shape of the iron core is set to be L-shaped, the rubber layer is wrapped on the surface of the iron core, the two ends of the top of the rubber layer are respectively provided with a rear chamfer and a front chamfer, the bottom of the outer oil seal ring is provided with the inner oil seal ring, the bottom of the inner oil seal ring is sequentially provided with a dust lip, a first tangent plane, a second tangent plane and a third tangent plane from left to right, the top of the inner oil seal ring is provided with a first spring groove at a position opposite to the first tangent plane, one side of the first spring groove is provided with a rear blade tail, a first spring is clamped inside the first spring groove, and a second spring groove is arranged at the top of the inner oil seal ring and at a position opposite to the third tangent plane, and one side of the second spring groove is provided with a front blade tail, and a second spring is clamped inside the second spring groove.

Preferably, an outer rod is fixedly connected to the surface of the iron core, one end of the outer rod extends to the outside of the rubber layer, and a handle is fixedly mounted on the surface of the outer rod.

Preferably, the oil seal main body is designed in a circular ring shape.

Preferably, the inner part of the inner oil seal ring does not contain an iron core, and the filler of the inner oil seal ring is made of the same material as the rubber layer.

Preferably, the outer rod and the handle are respectively provided with four handles, and the handles are symmetrically arranged between the outer oil seal ring and the inner oil seal ring in a rectangular distribution manner.

Preferably, the oil seal main body is clamped between the axle main tooth and the fixed shaft, the top of the outer oil seal ring is tangent to the axle main tooth, and the bottom of the inner oil seal ring is tangent to the fixed shaft.

Advantageous effects

The utility model provides a novel axle owner tooth oil blanket. Compared with the prior art, the method has the following beneficial effects:

1: this novel axle owner tooth oil blanket through being provided with first tangent plane, second tangent plane and third tangent plane to be provided with first spring and second spring and make the better laminating of three tangent plane, promoted the leakproofness of oil blanket.

2: this novel axle owner tooth oil blanket is connected with outer pole through the surface at the iron core, and the effect of outer pole can install by handheld outer pole when the installation oil blanket, thereby when dismantling, can carry out more convenient dismantlement through the outer pole of handle pulling drive oil blanket.

In short, this application technical scheme has that the leakproofness is good, easy to assemble and the advantage of dismantling.

Drawings

FIG. 1 is a schematic structural cross-sectional view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic view of the installation of the present invention;

in the figure: 1. chamfering the rear part; 2. an iron core; 3. a rubber layer; 4. a first spring; 5. the posterior leaflet tail; 6. a first spring groove; 7. a dust lip; 8. a first section; 9. a second section; 10. a third section; 11. a second spring groove; 12. the anterior leaflet tail; 13. a second spring; 14. a handle; 15. an outer rod; 16. front chamfering; 17. a fixed shaft; 18. an oil seal main body; 19. axle main teeth; 20. an inner oil seal ring; 21. and an outer oil seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a novel axle main tooth oil seal comprises an oil seal body 18, an axle main tooth 19 and a fixed shaft 17, wherein the oil seal body 18 comprises an outer oil seal ring 21 and an inner oil seal ring 20, the outer oil seal ring 21 comprises an iron core 2 and a rubber layer 3, the shape of the iron core 2 is set to be L-shaped, the rubber layer 3 is wrapped on the surface of the iron core 2, two ends of the top of the rubber layer 3 are respectively provided with a rear chamfer 1 and a front chamfer 16, the bottom of the outer oil seal ring 21 is provided with the inner oil seal ring 20, the bottom of the inner oil seal ring 20 is sequentially provided with a dust lip 7, a first tangent plane 8, a second tangent plane 9 and a third tangent plane 10 from left to right, the top of the inner oil seal ring 20 is provided with a first spring groove 6 at a position opposite to the first tangent plane 8, one side of the first spring groove 6 is provided with a rear blade tail 5, a first spring 4 is clamped inside the first spring groove 6, a second spring groove 11 is arranged at the top of the inner oil seal ring 20 at a position opposite to the, and one side of second spring ditch 11 is provided with preceding leaf tail 12, and the inside card of second spring ditch 11 is equipped with second spring 13, through being provided with second spring 13 and first spring 4 for the better laminating of tangent plane has promoted the leakproofness of oil blanket.

Further, the fixed surface of iron core 2 is connected with outer pole 15, and the one end of outer pole 15 extends to the outside on rubber layer 3 to the fixed surface of outer pole 15 installs handle 14, can hand outer pole 15 and install when the installation oil blanket, thereby when dismantling, can drive the oil blanket through handle 14 pulling outer pole 15 and carry out more convenient dismantlement.

Further, the oil seal body 18 is of annular design.

Further, the inner part of the inner oil seal ring 20 does not contain the iron core 2, the fillers of the inner oil seal ring 20 are all made of the same material as the rubber layer 3, and the rubber layer 3 is made of fluororubber or nitrile rubber, so that the rubber has good heat resistance and wear resistance, and is resistant to various lubricating oil, lubricating grease, oil-gas mixtures and the like.

Further, outer pole 15 and handle 14 all are provided with four to be the rectangle distribution symmetry and set up between outer oil seal circle 21 and interior oil seal circle 20, promoted the convenience of installation and dismantlement greatly.

Further, the oil seal main body 18 is clamped between the axle main tooth 19 and the fixed shaft 17, the top of the outer oil seal ring 21 is tangent to the axle main tooth 19, and the bottom of the inner oil seal ring 20 is tangent to the fixed shaft 17, so that the sealing effect is guaranteed.

And those not described in detail in this specification are well within the skill of those in the art.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel axle owner tooth oil blanket, includes oil blanket main part (18), axle owner tooth (19) and fixed axle (17), its characterized in that: the oil seal main body (18) comprises an outer oil seal ring (21) and an inner oil seal ring (20), the outer oil seal ring (21) comprises an iron core (2) and a rubber layer (3), the shape of the iron core (2) is set to be L-shaped, the rubber layer (3) is wrapped on the surface of the iron core (2), two ends of the top of the rubber layer (3) are respectively provided with a rear chamfer (1) and a front chamfer (16), the bottom of the outer oil seal ring (21) is provided with the inner oil seal ring (20), the bottom of the inner oil seal ring (20) is sequentially provided with a dust lip (7), a first tangent plane (8), a second tangent plane (9) and a third tangent plane (10) from left to right, the top of the inner oil seal ring (20) and the position opposite to the first tangent plane (8) are provided with a first spring groove (6), and one side of the first spring groove (6) is provided with a rear blade tail (5), the inner part of the first spring groove (6) is clamped with a first spring (4), the top of the inner oil seal ring (20) is provided with a second spring groove (11) at a position opposite to the third tangent plane (10), a front blade tail (12) is arranged on one side of the second spring groove (11), and a second spring (13) is clamped in the second spring groove (11).

2. The novel axle main tooth oil seal of claim 1, characterized in that: the surface fixed connection of iron core (2) has outer pole (15), the one end of outer pole (15) extends to the outside of rubber layer (3) to the fixed surface of outer pole (15) installs handle (14).

3. The novel axle main tooth oil seal of claim 1, characterized in that: the oil seal main body (18) is designed in a circular ring shape.

4. The novel axle main tooth oil seal of claim 1, characterized in that: the inner part of the inner oil seal ring (20) does not contain the iron core (2), and the filler of the inner oil seal ring (20) is made of the same material as the rubber layer (3).

5. The novel axle main tooth oil seal of claim 2, characterized in that: the outer rods (15) and the handles (14) are four in number and are symmetrically arranged between the outer oil seal ring (21) and the inner oil seal ring (20) in a rectangular distribution mode.

6. The novel axle main tooth oil seal of claim 1, characterized in that: the oil seal main body (18) is clamped between the axle main tooth (19) and the fixed shaft (17), the top of the outer oil seal ring (21) is tangent to the axle main tooth (19), and the bottom of the inner oil seal ring (20) is tangent to the fixed shaft (17).