CN216279374U

CN216279374U - Combined oil seal structure

Info

Publication number: CN216279374U
Application number: CN202122213199.4U
Authority: CN
Inventors: 李永召
Original assignee: Shenzhen Guanlixin Rubber Products Co ltd
Current assignee: Shenzhen Guanlixin Rubber Products Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-04-12
Anticipated expiration: 2031-09-13

Abstract

The utility model provides a combined oil seal structure which comprises an oil seal body and a fixed sleeve, wherein the oil seal body comprises a first ring body, a second ring body and a sealing ring; the outside joint of oil blanket body has fixed cover, the inside of fixed cover is provided with fastening bolt, fastening bolt's top fixedly connected with briquetting. The combined oil seal structure provided by the utility model solves the problems that most of oil seals on the market have single structure when applied, are not strong in functionality when used, can only be integrally replaced once the oil seal is damaged, are very inconvenient to maintain, and simultaneously, the pressing force between the oil seal and a mechanical part is reduced after the oil seal is used for a long time, so that grease leakage can be caused.

Description

Combined oil seal structure

Technical Field

The utility model relates to the field of oil seals, in particular to a combined oil seal structure.

Background

The oil seal is a common name of a sealing element, namely a lubricating oil seal, and is used for sealing grease, oil is a liquid substance which is most common in a transmission system, and is also a mechanical element which generally means the liquid substance, and the oil seal can isolate a part needing lubrication in a transmission part from a force-applying part so as not to enable the lubricating oil to leak, and the sealing element for static sealing and dynamic sealing is called the oil seal.

Most of oil seals on the market have single structures when applied, are not strong in functionality when used, can only be integrally replaced once the oil seals are damaged, are inconvenient to maintain, and meanwhile, the pressing force between the oil seals and mechanical parts can be reduced after the oil seals are used for a long time, so that grease leakage can be possibly caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a combined oil seal structure which is convenient to maintain and can improve the phenomenon that the pressing force between an oil seal and a mechanical part is reduced after the oil seal is used for a long time, so that grease can be leaked.

In order to solve the above problems, the present invention provides the following technical solutions:

a combined oil seal structure comprises an oil seal body and a fixed sleeve, wherein the oil seal body comprises a first ring body, a second ring body and a sealing ring, the bottom of the first ring body is fixedly connected with the second ring body, and the sealing ring is fixed on the inner walls of the first ring body and the second ring body; the outside joint of oil blanket body has fixed cover, the inside of fixed cover is provided with fastening bolt, fastening bolt's top fixedly connected with briquetting.

In order to achieve the purpose of improving the tightness between the pressing block and the fixing sleeve, preferably, as the combined oil seal structure provided by the utility model, a gasket is fixedly connected to the bottom of the pressing block, and the gasket is sleeved on the outer side of the fastening bolt.

In order to achieve the purpose of facilitating a user to rotate the fastening bolt, preferably, as the combined oil seal structure provided by the utility model, a knob is fixedly connected to the bottom of the fastening bolt, and anti-skid threads are arranged on the outer side of the knob.

In order to achieve the purpose of improving the pressing firmness of the fixed sleeve on the oil seal body, preferably, the upper part of the inner wall of the fixed sleeve is fixedly connected with a convex block, and the bottom of the convex block is provided with a protective pad.

In order to achieve the purpose of improving the pressure resistance of the oil seal body, as the combined oil seal structure provided by the utility model, preferably, a lantern ring is fixedly connected to the outer side of the oil seal body, and the lantern ring is annular.

In order to achieve the purpose of improving the firmness of the oil seal body, as the combined oil seal structure provided by the utility model, preferably, the bottom of the fixed sleeve is fixedly connected with a base, and a through hole is formed in the base.

In order to achieve the purpose of improving the sealing property between the fixed sleeve and the base, preferably, as the combined oil seal structure provided by the utility model, a sealing sleeve is fixedly connected to the outer side of the fixed sleeve, and the bottom of the sealing sleeve is fixedly connected with the top of the base.

Compared with the prior art, the utility model has at least the following beneficial effects:

in the combined oil seal structure, when in use, a user sleeves the oil seal body provided by the utility model on mechanical equipment to seal the mechanical equipment, so as to realize the purpose of sealing grease, the grease is sealed on the mechanical equipment through the combined action of the first ring body, the second ring body and the sealing ring, the grease is not leaked, the compression resistance of the oil seal body can be increased when the oil seal body is under pressure by arranging the sleeve ring at the outer side of the oil seal body, so that the practicability of the oil seal body is improved, the sealing rings in the first ring body and the second ring body can be replaced at any time due to the combined assembly of the combined assembly, the convenience of workers in maintenance is greatly improved, but after the oil seal body is used for a long time, the pressing force between the oil seal body and mechanical parts can be reduced, the grease leakage can be caused, and at the moment, the user can rotate the fastening bolt through the knob, drive the briquetting through fastening bolt and extrude fixed cover, make the pressure increase between first ring body and the second ring body, and then make the packing force grow between oil blanket body and the mechanical part, can improve the oil blanket body and diminish and lead to the problem of grease leakage with packing force between the mechanical part after long-time the use, it is comparatively single to have solved most of oil blanket on the present market when using its structure, the functional is not strong when using, just can only carry out holistic change when the oil blanket appears damaging, very inconvenient maintenance, simultaneously the oil blanket can diminish with packing force between the mechanical part after long-time the use, thereby probably lead to the problem of grease leakage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a preferred embodiment of a combined oil seal structure provided in the present invention;

FIG. 2 is a schematic structural view of the oil seal body shown in FIG. 1;

FIG. 3 is a schematic view of the connection between the oil seal body and the collar of the present invention;

fig. 4 is a schematic view of the pouch of fig. 1;

fig. 5 is a schematic structural view of the fastening bolt shown in fig. 1.

Reference numbers in the figures: 1. an oil seal body; 101. a first ring body; 102. a second ring body; 103. a seal ring; 2. fixing a sleeve; 3. fastening a bolt; 4. briquetting; 5. a gasket; 6. a knob; 7. a bump; 8. a collar; 9. a base; 10. a through hole; 11. and (5) sealing the sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the utility model. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It should be noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, in which fig. 1 is a schematic structural view of a preferred embodiment of a combined oil seal structure provided by the present invention, fig. 2 is a schematic structural view of an oil seal body shown in fig. 1, fig. 3 is a schematic structural view of a connection between the oil seal body and a collar in the present invention, fig. 4 is a schematic structural view of a fixing sleeve shown in fig. 1, and fig. 5 is a schematic structural view of a fastening bolt shown in fig. 1. A combined oil seal structure comprises an oil seal body 1 and a fixed sleeve 2.

In a specific implementation process, as shown in fig. 1, fig. 2 and fig. 5, the oil seal body 1 includes a first ring body 101, a second ring body 102 and a seal ring 103, the second ring body 102 is fixedly connected to the bottom of the first ring body 101, and the seal ring 103 is fixed on the inner walls of the first ring body 101 and the second ring body 102.

The outside joint of oil blanket body 1 has fixed cover 2, and the inside of fixed cover 2 is provided with fastening bolt 3, and fastening bolt 3's top fixedly connected with briquetting 4.

It should be noted that: when in use, a user sleeves the oil seal body 1 provided by the utility model on mechanical equipment to seal the mechanical equipment, so as to achieve the purpose of sealing grease, the grease on the mechanical equipment is sealed by the combined action of the first ring body 101, the second ring body 102 and the sealing ring 103 in the utility model, so that the grease is not leaked, the compression resistance of the oil seal body 1 can be increased when the oil seal body 1 is under pressure by arranging the sleeve ring 8 at the outer side of the oil seal body 1, so that the practicability of the oil seal body 1 is improved, because the device is assembled in a combined manner, the sealing ring 103 in the first ring body 101 and the second ring body 102 can be replaced at any time, so that the convenience of a worker in maintenance is greatly improved, but after the oil seal body 1 is used for a long time, the pressing force between the oil seal body 1 and the mechanical part is reduced, grease leakage is possibly caused, at this time, the user can rotate the fastening bolt 3 through the knob 6, the pressing block 4 is driven by the fastening bolt 3 to extrude the fixed sleeve 2, so that the pressure between the first ring body 101 and the second ring body 102 is increased, the pressing force between the oil seal body 1 and a mechanical part is increased, and the problem of grease leakage caused by the fact that the pressing force between the oil seal body 1 and the mechanical part is reduced after the oil seal body is used for a long time can be solved.

Referring to fig. 1, 4 and 5, a gasket 5 is fixedly connected to the bottom of the pressing block 4, and the gasket 5 is sleeved on the outer side of the fastening bolt 3.

The bottom of the fastening bolt 3 is fixedly connected with a knob 6, and the outer side of the knob 6 is provided with anti-skid lines.

It should be noted that: set up gasket 5 through the bottom at briquetting 4, when briquetting 4 extrudees fixed cover 2, can improve the compactness between briquetting 4 and the fixed cover 2, thereby make briquetting 4 to the more firmness of the extrusion of fixed cover 2, set up knob 6 through the bottom at fastening bolt 3, can make the user find fastening bolt 3 fast, user's work efficiency has been improved, set up anti-skidding line through the outside at knob 6, can increase the frictional force between user's hand and the knob 6, can prevent that fastening bolt 3 from taking place the slippage with user's hand.

Referring to fig. 3, a projection 7 is fixedly connected to the upper portion of the inner wall of the fixing sleeve 2, and a protection pad is disposed at the bottom of the projection 7.

It should be noted that: through setting up lug 7 in the inside of fixed cover 2, when fixed cover 2 is consolidated oil blanket body 1, can increase the constraint of fixed cover 2 to oil blanket body 1 to it is more firm to make oil blanket body 1.

Referring to fig. 3, a collar 8 is fixedly connected to the outer side of the oil seal body 1, and the collar 8 is annular.

It should be noted that: through setting up lantern ring 8 in the outside at oil blanket body 1, when oil blanket body 1 received pressure, can increase oil blanket body 1's compressive capacity to the practicality of oil blanket body 1 has been improved.

Referring to fig. 1, a base 9 is fixedly connected to the bottom of the fixing sleeve 2, and a through hole 10 is formed in the base 9.

The outer side of the fixed sleeve 2 is fixedly connected with a sealing sleeve 11, and the bottom of the sealing sleeve 11 is fixedly connected with the top of the base 9.

It should be noted that: through setting up base 9 and through-hole 10, convenient to use person is fixed to the installation of oil blanket body 1, and the effectual work efficiency that has improved the user through set up seal cover 11 between fixed cover 2 and base 9, can be effectual the fixed leakproofness between cover 2 and the base 9 of reinforcing, prevents that debris such as dust from entering into the inside of oil blanket body 1 and causing the damage to the oil blanket.

The working principle of the combined oil seal structure provided by the utility model is as follows:

when in use, a user sleeves the oil seal body 1 provided by the utility model on mechanical equipment to seal the mechanical equipment, so as to achieve the purpose of sealing grease, the grease on the mechanical equipment is sealed by the combined action of the first ring body 101, the second ring body 102 and the sealing ring 103 in the utility model, so that the grease is not leaked, the compression resistance of the oil seal body 1 can be increased when the oil seal body 1 is under pressure by arranging the sleeve ring 8 at the outer side of the oil seal body 1, so that the practicability of the oil seal body 1 is improved, because the device is assembled in a combined manner, the sealing ring 103 in the first ring body 101 and the second ring body 102 can be replaced at any time, so that the convenience of a worker in maintenance is greatly improved, but after the oil seal body 1 is used for a long time, the pressing force between the oil seal body 1 and the mechanical part is reduced, grease leakage is possibly caused, at this time, the user can rotate the fastening bolt 3 through the knob 6, the pressing block 4 is driven by the fastening bolt 3 to extrude the fixing sleeve 2, so that the pressure between the first ring body 101 and the second ring body 102 is increased, and further the pressing force between the oil seal body 1 and a mechanical part is increased, and the problem of grease leakage caused by the fact that the pressing force between the oil seal body 1 and the mechanical part is reduced after long-time use can be solved, by arranging the gasket 5 at the bottom of the pressing block 4, when the pressing block 4 extrudes the fixing sleeve 2, the tightness between the pressing block 4 and the fixing sleeve 2 can be improved, so that the pressing of the pressing block 4 on the fixing sleeve 2 is firmer, by arranging the knob 6 at the bottom of the fastening bolt 3, a user can quickly find the fastening bolt 3, the working efficiency of the user is improved, by arranging the anti-skid grains at the outer side of the knob 6, the friction force between the hand of the user and the knob 6 can be increased, and the slipping of the fastening bolt 3 and the hand of the user can be prevented, through setting up lug 7 in the inside of fixed cover 2, when fixed cover 2 is consolidated oil blanket body 1, can increase the constraint of fixed cover 2 to oil blanket body 1, thereby make oil blanket body 1 more firm, through setting up lantern ring 8 in the outside of oil blanket body 1, when oil blanket body 1 receives pressure, can increase oil blanket body 1's compressive capacity, thereby the practicality of oil blanket body 1 has been improved, through setting up base 9 and through-hole 10, convenient to use person is fixed to the installation of oil blanket body 1, effectual user's work efficiency that has improved, through setting up seal cover 11 between fixed cover 2 and base 9, can effectually strengthen the leakproofness between fixed cover 2 and the base 9, prevent that debris such as dust from entering into the inside of oil blanket body 1 and causing the damage to the oil blanket.

Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.

Some features of the utility model, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the utility model, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A combined oil seal structure, comprising:

the oil seal comprises an oil seal body, a first ring body, a second ring body and a sealing ring, wherein the bottom of the first ring body is fixedly connected with the second ring body, and the sealing ring is fixed on the inner walls of the first ring body and the second ring body;

the fixed cover is clamped on the outer side of the oil seal body, a fastening bolt is arranged inside the fixed cover, and a pressing block is fixedly connected to the top of the fastening bolt.

2. The combined oil seal structure of claim 1, wherein a gasket is fixedly connected to the bottom of the pressing block, and the gasket is sleeved on the outer side of the fastening bolt.

3. The combined oil seal structure of claim 1, wherein a knob is fixedly connected to the bottom of the fastening bolt, and anti-skid threads are arranged on the outer side of the knob.

4. The combination oil seal structure of claim 1, wherein a projection is fixedly connected to an upper portion of the inner wall of the fixing sleeve, and a protection pad is disposed at a bottom of the projection.

5. The combined oil seal structure of claim 1, wherein a collar is fixedly connected to the outer side of the oil seal body, and the collar is annular.

6. The combination oil seal structure of claim 1, wherein a base is fixedly connected to the bottom of the fixing sleeve, and a through hole is formed in the base.

7. The combined oil seal structure as claimed in claim 6, wherein a sealing sleeve is fixedly connected to the outer side of the fixing sleeve, and the bottom of the sealing sleeve is fixedly connected to the top of the base.