CN217463217U - Special oil seal for reciprocating motion - Google Patents

Abstract

The utility model discloses a special oil blanket of reciprocating motion, including the skeleton and the sealing rubber body, the outside of skeleton is provided with the sealing rubber body, and the annular groove has been seted up at the top of the sealing rubber body, and the top inboard of annular groove is provided with and sealing rubber body matched with sealing spring, and the through-hole has been seted up at the middle part of the sealing rubber body, and through-hole inner wall top is provided with seal assembly, and seal assembly's the outside cooperatees with the sealing rubber body. The utility model discloses it is reasonable reliable, easy operation is convenient, reinforcing oil blanket that can be fine stability and leakproofness at work utilize the cooperation between the seal assembly and the sealing rubber body, and further improvement the inboard sealing that is close to oil outlet section department of oil blanket body, improve the sealing performance of oil blanket and axle, and then improved the life of oil blanket.

Description

Special oil seal for reciprocating motion

Technical Field

The utility model relates to an oil blanket technical field particularly, relates to a special oil blanket of reciprocating motion.

Background

The oil seal is also called shaft seal as a device part for preventing fluid from overflowing from a joint in a machine, a sealing element for static sealing and dynamic sealing is called a sealing element, the representative form of the oil seal is TC oil seal, the TC oil seal is a double-lip oil seal with a self-tightening spring and fully covered by rubber, and the TC framework oil seal is commonly referred to as the oil seal.

For example, patent number CN213808863U discloses a reciprocating motion oil blanket relates to reciprocating motion oil blanket field, including the oil blanket main part, the spacing groove has all been seted up to the top both sides of oil blanket main part, and the inside both sides of two spacing grooves all are provided with spacing tooth, and the bottom of two spacing grooves all is provided with the mounting hole, and the strengthening rib is all installed to the inside both sides of oil blanket main part, and it has the oil blanket passageway to run through in the middle of the inside of oil blanket main part, and the inside both sides of oil blanket passageway all are connected with wear-resisting piece. The utility model discloses a through spring, spring housing, spacing groove and spacing tooth, the user will install the axle and be connected with the oil blanket main part through spring and spring housing, increases the connection between the oil blanket main part, makes it connect more firmly.

However, the O-shaped sealing ring cannot achieve the fixing effect when being installed on the inner side of the installation shaft, and the O-shaped sealing ring cannot guarantee the sealing of the contact point, and if the O-shaped sealing ring cannot be consistent with the groove of the installation shaft, the O-shaped sealing ring can slip off.

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

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a special oil blanket of reciprocating motion to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a special oil blanket of reciprocating motion, includes the skeleton and the sealing rubber body, and the outside of skeleton is provided with the sealing rubber body, and the annular groove has been seted up at the top of the sealing rubber body, and the top inboard of annular groove is provided with the sealing spring with sealing rubber body matched with, and the through-hole has been seted up at the middle part of the sealing rubber body, and through-hole inner wall top is provided with seal assembly, and seal assembly's the outside cooperatees with the sealing rubber body.

Further, in order to make protruding ring can and seal assembly between cooperate, guarantee the stability of seal assembly joint in the internal portion of sealing rubber to the sealed effect of the further improvement sealing rubber body, a set of recess one with sealing assembly matched with is seted up at the internal top of sealing rubber, and the inner wall of recess one all is provided with the protruding ring with sealing assembly matched with.

Furthermore, in order to match the sealing assembly with the sealing rubber body, the sealing of the inner side of the oil seal body close to the oil outlet section is further improved, the sealing performance of the oil seal and the shaft is improved, the service life of the oil seal is further prolonged, and the sealing assembly is composed of a first sealing ring section, a connecting section and a second sealing ring section which are sequentially arranged; a second groove matched with the raised ring is formed in the top end of the first sealing ring section and the bottom end of the second sealing ring section, and the second groove is of a circular ring type structure; coupling assembling is installed at the top of second seal ring section, and coupling assembling's one end extends to in the recess two, is provided with a plurality of ring type grooves on the inside wall of recess two, and coupling assembling is including setting up the ring on second seal ring section top and being located recess two, and is provided with a plurality of couples on the ring is close to the lateral wall in ring type groove, and the couple sets up to positive triangular pyramid structure, and a plurality of couples set up with the circular array in ring center.

Furthermore, in order to prevent external dust from entering the inner side of the oil seal under the action of the outer ring of the soft ring net and ensure the cleanness and tidiness of the inner part of the oil seal, the outer side of the top of the sealing rubber body is provided with the outer ring of the soft ring net.

The utility model has the advantages that:

1. the utility model has the advantages of reasonable and reliable structure, easy operation is convenient, and reinforcing oil blanket that can be fine utilizes the cooperation between the seal assembly and the sealing rubber body in the stability and the leakproofness of work, and further improvement the inboard sealing that is close to oil outlet section department of oil blanket body, improve the sealing performance of oil blanket and axle, and then improved the life of oil blanket.

2. Under the effect of soft looped netowrk outer lane, prevent that external dust from getting into the inboard of oil blanket, guarantee the inside clean and tidy of oil blanket.

3. Through setting up sealing spring, prevent that foreign matter such as muddy water dust from getting into inside the oil blanket to increase the radial power of sealing rubber body, prevent that inside shock absorber oil from spilling over, thereby improve the life of oil blanket.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a sectional view of a reciprocating dedicated oil seal according to an embodiment of the present invention;

fig. 2 is a partial sectional view of a sealing rubber body in a reciprocating special oil seal according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial cross-sectional view of a seal assembly in a reciprocating special oil seal according to an embodiment of the present invention;

FIG. 5 is a partial enlarged view at B in FIG. 4;

fig. 6 is an expanded schematic view of a sealing assembly in a reciprocating special oil seal according to an embodiment of the present invention;

fig. 7 is a partially enlarged view at C in fig. 6.

In the figure:

1. a framework; 2. a sealing rubber body; 201. a first groove; 202. a raised ring; 3. an annular groove; 4. a seal spring; 5. a through hole; 6. a seal assembly; 601. a first seal ring segment; 602. a connecting section; 603. a second seal ring segment; 604. a second groove; 605. a connecting assembly; 6051. a circular ring; 6052. hooking; 606. a circular groove; 7. the outer ring of the soft looped network.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a special oil blanket of reciprocating motion.

Now combine the attached drawing and detailed description to explain the utility model further, as shown in fig. 1-7, according to the utility model discloses the special oil blanket of reciprocating motion, including skeleton 1 and the sealing rubber body 2, the outside of skeleton 1 is provided with the sealing rubber body 2, and annular groove 3 has been seted up at the top of the sealing rubber body 2, and annular groove 3's top inboard is provided with and sealing rubber body 2 matched with sealing spring 4, and through-hole 5 has been seted up at the middle part of the sealing rubber body 2, and 5 inner wall tops of through-hole are provided with seal assembly 6, and seal assembly 6's the outside cooperatees with the sealing rubber body 2.

With the aid of the technical scheme, thereby pass through the utility model discloses a structural design, easy operation is convenient, and reinforcing oil blanket that can be fine utilizes the cooperation between the seal assembly and the sealing rubber body in stability and the leakproofness of work, and further improvement the inboard sealing that is close to oil outlet section department of oil blanket body, improve the sealing performance of oil blanket and axle, and then improved the life of oil blanket

In an embodiment, to above-mentioned sealing rubber body 2, a set of recess 201 with seal assembly 6 matched with is seted up at the top in the sealing rubber body 2, and the inner wall of recess 201 all is provided with protruding ring 202 with seal assembly 6 matched with to make protruding ring 202 cooperate between can and the seal assembly 6, guarantee the inside stability of seal assembly 6 joint at sealing rubber body 2, and further improvement sealing rubber body 2's sealed effect.

In one embodiment, for the above-mentioned seal assembly 6, the seal assembly 6 is composed of a first seal ring segment 601, a connecting segment 602 and a second seal ring segment 603 which are sequentially arranged; the top end of the first seal ring section 601 and the bottom end of the second seal ring section 603 are both provided with a second groove 604 matched with the raised ring 202, and the second groove 604 is of an annular structure; coupling assembling 605 is installed at the top of second seal ring section 603, and coupling assembling 605's one end extends to in two 604 recesses, be provided with a plurality of ring type grooves 606 on two 604's of recesses inside wall, coupling assembling 605 is including setting up ring 6051 on second seal ring section 603 top and being located two 604 recesses, and ring 6051 is provided with a plurality of couples 6052 on being close to the lateral wall in ring type groove 606, couple 6052 sets up to positive triangular pyramid structure, and a plurality of couples 6052 set up with the central circular array of ring 6051, thereby cooperation between seal assembly 6 and the sealing rubber body 2, further improvement the inboard sealing of being close to oil outlet section department of oil blanket body, improve the sealing performance of oil blanket and axle, and then improved the life of oil blanket.

In an embodiment, for the sealing rubber body 2, the flexible ring network outer ring 7 is arranged on the outer side of the top of the sealing rubber body 2, so that under the action of the flexible ring network outer ring 7, external dust is prevented from entering the inner side of the oil seal, and the cleanness and tidiness of the inside of the oil seal are ensured.

To sum up, with the help of the above technical scheme of the utility model, the utility model discloses it is rational in infrastructure reliable, easy operation is convenient, stability and leakproofness of reinforcing oil blanket that can be fine at work utilize the cooperation between the seal assembly and the sealing rubber body, further improvement the inboard sealed of being close to oil outlet section department of oil blanket body, improve the sealing performance of oil blanket and axle, and then improved the life of oil blanket, under the effect of soft looped netowrk outer lane 7, prevent that external dust from getting into the inboard of oil blanket, guarantee the inside clean and tidy of oil blanket.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "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; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a special oil blanket of reciprocating motion, includes skeleton (1) and sealing rubber body (2), its characterized in that:

the sealing rubber body (2) is arranged on the outer side of the framework (1), an annular groove (3) is formed in the top of the sealing rubber body (2), a sealing spring (4) matched with the sealing rubber body (2) is arranged on the inner side of the top of the annular groove (3), a through hole (5) is formed in the middle of the sealing rubber body (2), a sealing assembly (6) is arranged on the top of the inner wall of the through hole (5), and the outer side of the sealing assembly (6) is matched with the sealing rubber body (2);

a group of first grooves (201) matched with the sealing assembly (6) are formed in the top of the sealing rubber body (2), and raised rings (202) matched with the sealing assembly (6) are arranged on the inner walls of the first grooves (201);

the sealing assembly (6) is composed of a first sealing ring section (601), a connecting section (602) and a second sealing ring section (603) which are sequentially arranged;

a second groove (604) matched with the raised ring (202) is formed in the top end of the first seal ring section (601) and the bottom end of the second seal ring section (603), and the second groove (604) is of an annular structure;

and a connecting component (605) is arranged at the top of the second seal ring segment (603), and one end of the connecting component (605) extends into the second groove (604).

2. The special oil seal for reciprocating motion as claimed in claim 1, wherein a plurality of circular grooves (606) are arranged on the inner side wall of the second groove (604).

3. The special oil seal for reciprocating motion as claimed in claim 2, wherein the connection assembly (605) comprises a circular ring (6051) which is arranged at the top end of the second seal ring section (603) and is located in the second groove (604), and a plurality of hooks (6052) are arranged on the side wall of the circular ring (6051) close to the circular ring groove (606).

4. A special oil seal for reciprocating motion according to claim 3, wherein the hooks (6052) are arranged in a regular triangular pyramid structure, and a plurality of the hooks (6052) are arranged in a circular array at the center of the circular ring (6051).

5. The special oil seal for reciprocating motion as claimed in claim 1, wherein a flexible looped network outer ring (7) is arranged on the outer side of the top of the sealing rubber body (2).

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