CN216867494U

CN216867494U - Planing type oil seal

Info

Publication number: CN216867494U
Application number: CN202220630255.6U
Authority: CN
Inventors: 栾凤山; 赵亚涛; 郭立强; 颜玉静; 梁彦胜; 曹建波
Original assignee: Xingtai Mountain Special Rubber Products Co ltd
Current assignee: Xingtai Mountain Special Rubber Products Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-01
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a planing type oil seal which comprises an oil seal body, wherein a framework is arranged on the outer side of the interior of the oil seal body, an elastic strip is arranged on one side of the framework and located in the oil seal body, a first annular groove is formed in the top end of the oil seal body, a plurality of second annular grooves are formed in the outer side of the circumference of the oil seal body, a sealing assembly is arranged at the top of the inner side of the circumference of the oil seal body, a dustproof assembly is arranged at the bottom of the inner side of the circumference of the oil seal body, a planing port is formed in the oil seal body, a framework slot matched with the framework is formed in one side of the planing port, and an inserting column penetrates through the top end of the interior of the framework slot. The oil seal structure is reasonable and reliable in structure, simple and convenient to operate, and capable of well enhancing the stability and the sealing performance of the oil seal in working, enabling the oil seal to have the performances of high abrasion resistance, low friction, high pressure resistance and the like, and further improving the sealing performance of the oil seal and a shaft, and further prolonging the service life of the oil seal.

Description

Planing type oil seal

Technical Field

The utility model relates to the field of sealing elements, in particular to a planing type oil seal.

Background

An oil seal is a mechanical element used to seal oil (oil is the most common liquid substance in a transmission system and also refers to a general liquid substance) which isolates parts needing lubrication from output parts in a transmission system so as not to allow the lubrication oil to leak. Static and dynamic seals (generally reciprocating) are called seals with seals. The representative form of oil seal is TC oil seal, which is a rubber fully covered double-lip oil seal with self-tightening spring, and the general oil seal is often referred to as TC framework oil seal.

Wherein, the patent number is CN211875106U discloses a split type framework oil seal, which comprises a split type annular seal main body, the sealing main body is provided with a split opening, a framework is arranged in the sealing main body along the circumferential direction, a framework slot is arranged on the side edge of the split opening on one side of the sealing main body along the axial direction, the head end of the framework extends out of the split opening and can be inserted into the framework slot, the circumferential surface of the framework is provided with a positioning groove which can be matched with the positioning steel column, the framework oil seal can strengthen the rigidity of the oil seal body, meanwhile, when the head end of the framework is inserted into the framework slot, the split ports are well combined and are not staggered, the sealing performance of the oil seal is ensured, however, because the oil blanket all overlaps the outside of establishing at the axle usually, and the axle all is high-speed pivoted usually to the junction of oil blanket and axle is connected closely, can cause the inboard frictional force of oil blanket to increase, and then can reduce the life of oil blanket.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The present invention provides a split oil seal to overcome the above problems in the related art.

Therefore, the utility model adopts the following specific technical scheme:

a planing separation type oil seal comprises an oil seal body, wherein a framework is arranged on the outer side of the interior of the oil seal body, the cross section of the framework is of a rectangular structure, an elastic strip is arranged on one side of the framework and located in the oil seal body, the cross section of the elastic strip is of an L-shaped structure, an annular groove I is formed in the top end of the oil seal body, and a fastening piece is arranged at the bottom of the annular groove I; a plurality of annular grooves II are formed in the circumferential outer side of the oil seal body, a sealing assembly is arranged at the top of the circumferential inner side of the oil seal body, a dustproof assembly is arranged at the bottom of the circumferential inner side of the oil seal body, and an annular groove III is formed in the bottom of the oil seal body; the oil seal body is provided with a planing port, one side of the planing port is provided with a framework slot matched with the framework, the top end of the interior of the framework slot is provided with an inserting column in a penetrating mode, and the top of one end of the framework is provided with a limiting hole matched with the inserting column.

Further, in order to improve the sealing performance of the oil seal, the oil seal can generate a reaction force on the inner side of the circumference of the oil seal when being installed, so that the tightness of the connection position on the inner side of the circumference of the oil seal is improved, the cross section of the fastener is of a V-shaped structure, and the fastener is made of alloy spring steel.

Further, in order to improve the friction force at the joint of the outer side of the circumference of the oil seal, the oil seal can be installed more stably, so that the stability of the oil seal after installation can be improved, the cross section of the second annular groove is of a semicircular structure, and the second annular grooves are evenly arranged on the outer side of the circumference of the oil seal body at equal intervals.

Further, for the leakproofness of further improvement oil blanket to can prevent that fluid from the inboard outflow of oil blanket circumference, make the leakproofness of oil blanket more stable, and then improve the life of oil blanket, seal assembly comprises a plurality of seal lips, and a plurality of seal lips one from the top down equidistance the range inboard at the circumference of oil blanket body, the lateral wall of seal lip one sets up to the arc structure, and the tip direction homogeneous phase of seal lip one is the same.

Further, in order to prevent external dust or particle matters from invading to reach the inside of the oil seal, reduce the contact area between the oil seal and the shaft and reduce the friction force, the dustproof assembly is composed of two groups of sealing lips, the side walls of the two groups of sealing lips are arranged to be of an arc-shaped structure, and the end parts of the two groups of sealing lips are opposite in direction.

Further, in order to ensure the stability of connection of the oil seal planing port, the stability of the oil seal in working can be improved, the oil seal can be quickly installed and disassembled, the working efficiency of oil seal installation and disassembly can be improved, and the cross section of the inserting column and the cross section of the limiting hole are both arranged to be of a cross structure.

The utility model has the beneficial effects that:

1. the oil seal has the advantages of reasonable and reliable structure, simple and convenient operation, and capability of well enhancing the stability and the sealing performance of the oil seal in the working process, and enabling the oil seal to have the performances of high wear resistance, low friction, high pressure resistance and the like, thereby improving the sealing performance of the oil seal and a shaft and further prolonging the service life of the oil seal.

2. Through setting up the setting of skeleton, elasticity strip and fastener to can improve the self intensity of oil blanket this portion, make the oil blanket when installing, can produce a reaction force to the circumference inboard of oil blanket, make the inboard of oil blanket and hub connection inseparabler, more stable, and then improved the sealing performance between oil blanket and the axle.

3. Through setting up seal assembly and dustproof subassembly, not only improved the leakproofness of oil blanket, still prevented outside dust or particulate matter invasion and arrived the inside of oil blanket to guarantee the stability in the oil blanket working process, simultaneously, still reduced the area of contact of oil blanket with the axle, thereby reduced the friction between oil blanket and the axle, and then improved the life of oil blanket.

4. Through setting up the post and inserting with spacing hole to can guarantee the stability that the oil blanket is planed branch mouth department and is connected, can make the oil blanket can carry out quick installation and dismantlement, and then can improve the work efficiency of oil blanket installation and dismantlement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a cross-sectional view of a planer type oil seal according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a split-type oil seal split opening structure according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a split type oil seal split closure structure according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

fig. 5 is a schematic structural diagram of a planer type oil seal insert column according to an embodiment of the present invention.

In the figure:

1. an oil seal body; 2. a framework; 3. an elastic strip; 4. a first annular groove; 5. a fastener; 6. a second annular groove; 7. a seal assembly; 8. a dust-proof assembly; 9. a third annular groove; 10. planning and dividing openings; 11. a framework slot; 12. inserting a column; 13. and a limiting hole.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a planer type oil seal is provided.

Referring to the drawings and the detailed description, as shown in fig. 1-5, a planing type oil seal according to an embodiment of the utility model includes an oil seal body 1, a framework 2 is arranged on the outer side of the inside of the oil seal body 1, the cross section of the framework 2 is a rectangular structure, an elastic strip 3 is arranged on one side of the framework 2 and located inside the oil seal body 1, the cross section of the elastic strip 3 is an L-shaped structure, an annular groove i 4 is formed in the top end of the oil seal body 1, and a fastening piece 5 is arranged at the bottom of the annular groove i 4; a plurality of second annular grooves 6 are formed in the circumferential outer side of the oil seal body 1, a sealing assembly 7 is arranged at the top of the circumferential inner side of the oil seal body 1, a dustproof assembly 8 is arranged at the bottom of the circumferential inner side of the oil seal body 1, and a third annular groove 9 is formed in the bottom of the oil seal body 1; the oil seal body 1 is provided with a planing port 10, one side of the planing port 10 is provided with a framework slot 11 matched with the framework 2, the inside top end of the framework slot 11 is provided with an inserting column 12 in a penetrating mode, and the top of one end of the framework 2 is provided with a limiting hole 13 matched with the inserting column 12.

By means of the technical scheme, the oil seal has the advantages that the structure is reasonable and reliable, the operation is simple and convenient, the stability and the sealing performance of the oil seal in the working process can be well enhanced, the oil seal can have the performances of high wear resistance, low friction, high pressure resistance and the like, the sealing performance of the oil seal and a shaft can be improved, and the service life of the oil seal is further prolonged.

In one embodiment, for the fastening piece 5, the cross section of the fastening piece 5 is set to be a V-shaped structure, and the fastening piece 5 is made of alloy spring steel, so that the self strength of the oil seal part can be improved, a reaction force can be generated on the inner side of the circumference of the oil seal when the oil seal is installed, the inner side of the oil seal is connected with the shaft more tightly and stably, and the sealing performance between the oil seal and the shaft is improved.

In one embodiment, for the second annular groove 6, the cross section of the second annular groove 6 is set to be a semicircular structure, and the plurality of second annular grooves 6 are uniformly arranged at the outer side of the circumference of the oil seal body 1 at equal intervals, so that the friction force at the joint of the outer side of the circumference of the oil seal can be improved, the oil seal can be installed more stably, and the stability of the oil seal after installation can be improved.

In one embodiment, for the sealing assembly 7 and the dust-proof assembly 8, the sealing assembly 7 is composed of a plurality of sealing lips, and the sealing lips are arranged on the inner side of the circumference of the oil seal body 1 from top to bottom at equal intervals; dustproof subassembly 8 comprises two sets of lips, and the lateral wall of lip two sets up to the arc structure, and the tip opposite direction of two sets of lips, has not only improved the leakproofness of oil blanket, has still prevented outside dust or particulate matter from invading the inside that reachs the oil blanket to guarantee the stability in the oil blanket working process, simultaneously, still reduced the area of contact of oil blanket and axle, thereby reduced the friction between oil blanket and the axle, and then improved the life of oil blanket.

In one embodiment, for inserting the post 12 and the limiting hole 13, the cross sections of the post 12 and the limiting hole 13 are all set to be a cross structure, so that the stability of connection at the joint of the oil seal planing port 10 can be ensured, the oil seal can be rapidly installed and disassembled, and the work efficiency of oil seal installation and disassembly can be improved.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, at first, insert skeleton slot 11 with the tip of skeleton 2 in, then will insert post 12 and run through and insert spacing hole 13 in, then insert the circumference outside of axle with oil blanket body 1, the leakproofness of oil blanket is improved with the in close contact with of axle through seal assembly 7 and dustproof subassembly 8, through elastic strip 3 and fastener 5 for the oil blanket is inseparabler with the axle laminating, thereby can avoid oozing of liquid in the oil blanket, and then has guaranteed the stability of oil blanket working process.

In conclusion, by means of the technical scheme, the oil seal has the advantages that the structure is reasonable and reliable, the operation is simple and convenient, the stability and the sealing performance of the oil seal in the working process can be well enhanced, the oil seal has the performances of high wear resistance, low friction, high pressure resistance and the like, the sealing performance of the oil seal and a shaft can be improved, and the service life of the oil seal is further prolonged; through the arrangement of the framework 2, the elastic strip 3 and the fastener 5, the strength of the oil seal can be improved, a reaction force can be generated on the inner side of the circumference of the oil seal when the oil seal is installed, the inner side of the oil seal is connected with a shaft more tightly and stably, and the sealing performance between the oil seal and the shaft is improved; by arranging the sealing component 7 and the dustproof component 8, the sealing performance of the oil seal is improved, and external dust or particulate matters are prevented from invading into the oil seal, so that the stability of the oil seal in the working process is ensured, meanwhile, the contact area of the oil seal and a shaft is reduced, the friction between the oil seal and the shaft is reduced, and the service life of the oil seal is prolonged; through setting up post 12 and spacing hole 13 of inserting to can guarantee the oil blanket and dig the stability of dividing 10 department connections, can make the oil blanket can carry out quick installation and dismantlement, and then can improve the work efficiency of oil blanket installation and dismantlement.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a dig partial type oil blanket, includes oil blanket body (1), its characterized in that:

a framework (2) is arranged on the outer side of the inner portion of the oil seal body (1), the cross section of the framework (2) is of a rectangular structure, an elastic strip (3) is arranged on one side of the framework (2) and located in the oil seal body (1), the cross section of the elastic strip (3) is of an L-shaped structure, an annular groove I (4) is formed in the top end of the oil seal body (1), and a fastening piece (5) is arranged at the bottom of the annular groove I (4);

a plurality of second annular grooves (6) are formed in the outer side of the circumference of the oil seal body (1), a sealing assembly (7) is arranged at the top of the inner side of the circumference of the oil seal body (1), a dustproof assembly (8) is arranged at the bottom of the inner side of the circumference of the oil seal body (1), and a third annular groove (9) is formed in the bottom of the oil seal body (1);

the oil seal comprises an oil seal body (1), a planing opening (10) is formed in the oil seal body (1), one side of the planing opening (10) is provided with a framework slot (11) matched with a framework (2), the top end of the interior of the framework slot (11) is provided with an inserting column (12) in a penetrating mode, and the top of one end of the framework (2) is provided with a limiting hole (13) matched with the inserting column (12).

2. A planer type oil seal according to claim 1 characterized in that the cross section of the fastening member (5) is provided in a V-shaped configuration and the fastening member (5) is an alloy spring steel.

3. A planer type oil seal according to claim 2, characterized in that the cross section of the second annular groove (6) is provided with a semicircular structure, and a plurality of the second annular grooves (6) are uniformly arranged at equal intervals on the outer side of the circumference of the oil seal body (1).

4. A planer type oil seal according to claim 1 or 2, characterized in that the seal assembly (7) is composed of a plurality of seal lips, and a plurality of seal lips are arranged at equal intervals from top to bottom on the inner side of the circumference of the oil seal body (1), the side walls of the seal lips are arranged in an arc structure, and the end directions of the seal lips are the same.

5. A planer type oil seal according to claim 2 or 3 characterized in that said dust-proof assembly (8) is composed of two sets of two sealing lips, the side walls of said two sealing lips are arranged in an arc structure, and the end directions of said two sealing lips are opposite.

6. A planer type oil seal according to claim 5 characterized in that the cross section of the insert column (12) and the cross section of the limiting hole (13) are both arranged into a cross structure.