CN211599495U

CN211599495U - Double-lip oil sealing ring for speed reducer

Info

Publication number: CN211599495U
Application number: CN201922299544.3U
Authority: CN
Inventors: 张燕波
Original assignee: Jiyuan Innovation Petrochemical Fitting Co ltd
Current assignee: Jiyuan Innovation Petrochemical Fitting Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-29
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a speed reducer is with two lip oil sealing ring, including rubber circle piece, linking annular, steel ring piece, go up annular cover plate, internal thread pipe, circle shrinkage pool, bolt, tighrening ring, trepanning, ring lug, annular rubber enclose piece, ring chimb, annular flat chamber, lower ring apron and anti-skidding line. The utility model discloses, move down in the internal thread pipe through screwing up the bolt that corresponds gradually and exert pressure to the hydraulic oil of annular flat intracavity, reach the effect that takes place deformation to the inside inflation of rubber disk, can improve the compactness of contact between ring lug and the body of rod, install the last apron and the lower apron of fitting with a contraceptive ring of metal material simultaneously in rubber disk both sides in the steel ring through linking up the annular through the rubber disk that sets up the trepanning with the middle part, thereby the structure assembly that can certain strength is in corresponding structure department, and the body of rod that accessible annular rubber encloses the piece and will pass the trepanning surrounds, the sealed effect of reinforcing.

Description

Double-lip oil sealing ring for speed reducer

Technical Field

The utility model relates to an oil seal ring specifically is a speed reducer is with two lip oil seal ring, belongs to speed reducer application technical field.

Background

The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.

The assembly strength between the sealing ring used on the speed reducer and the assembled structure is not enough, meanwhile, the sealing performance of a part of structure can be improved to be needed, and the contact tightness between the inner side wall of the oil sealing ring and the rod body is not enough. Therefore, a double-lip oil seal ring for a speed reducer is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a double lip oil seal ring for speed reducer in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a speed reducer is with two lip oil sealing rings, including the steel ring piece, be connected with the rubber disk through linking up the annular in the steel ring piece, and the trepanning has been seted up at rubber disk middle part, trepanning inner ring wall middle part is equipped with the ring lug, and the inside annular flat chamber of having seted up of ring lug, the equal cover of ring chimb of rubber disk top and bottom is equipped with the tighrening ring, and is located to be equipped with between the tighrening ring at top and the steel ring piece top and fits with a contraceptive ring and lap, is located to be equipped with down between the tighrening ring of bottom and the steel ring piece bottom and encircles the apron, four internal thread pipes are installed to the inside annular equidistance in rubber disk top surface, and four internal thread soc.

Preferably, four circular concave holes are formed in the top surface of the upper ring cover plate in an annular and equidistant mode, and bolts penetrate through the circular concave holes.

Preferably, the internal thread pipe is internally connected with one end of the bolt in a threaded manner, and the external end port of the internal thread pipe is superposed on the bottom port of the corresponding round concave hole.

Preferably, the annular flat cavity is filled with hydraulic oil.

Preferably, the cross section of the trepanning is of an E-shaped structure, and annular rubber surrounding sheets are obliquely and inwards arranged at the edges of ports at two sides of the trepanning.

Preferably, the cross section of the steel ring block is of a T-shaped structure, and anti-skid grains are formed in the top annular surface and the bottom annular surface of the inner side of the T-shaped structure of the steel ring block.

The utility model has the advantages that:

1. this kind of speed reducer is with two lip oil seal ring moves down in the internal thread pipe and applys pressure to the hydraulic oil of annular flat intracavity through screwing up the bolt that corresponds gradually, reaches the effect that takes place deformation to the inside inflation of rubber circle piece, can improve the compactness of contact between ring lug and the body of rod.

This kind of speed reducer is with two lip oil seal ring, through the rubber disk that offers the trepanning with the middle part install simultaneously in the steel ring intra-block at the last ring cover board and the lower ring cover board of rubber disk both sides installation metal material through linking up the annular to structure assembly that can certain strength is in corresponding structure department, and the body of rod that the piece will pass the trepanning is enclosed to accessible annular rubber, strengthens sealed effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the upper ring cover plate of the present invention;

fig. 3 is a schematic diagram of the structure of the steel ring block of the present invention.

In the figure: 1. rubber circle piece, 2, link up the annular, 3, steel ring piece, 4, go up the ring cover board, 5, internal thread pipe, 6, round shrinkage pool, 7, bolt, 8, tighrening ring, 9, trepanning, 10, ring lug, 11, annular rubber surrounding piece, 12, ring chimb, 13, annular flat chamber, 14, lower ring cover board, 15, anti-skidding line.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Please refer to fig. 1-3, a double-lip oil seal ring for a speed reducer, includes steel ring block 3, be connected with rubber circle block 1 through linking up annular 2 in the steel ring block 3, and rubber circle block 1 middle part has seted up trepanning 9, the rampart middle part is equipped with ring lug 10 in the trepanning 9, and ring lug 10 is inside has seted up annular flat chamber 13, the ring chimb 12 of rubber circle block 1 top and bottom all overlaps and is equipped with tighrening ring 8, and is located and is equipped with upper ring apron 4 between the tighrening ring 8 at top and the steel ring block 3 top, is located to be equipped with down ring apron 14 between the tighrening ring 8 of bottom and the steel ring block 3 bottom, four internal thread pipes 5 are installed to the inside annular equidistance in rubber circle block 1 top surface, and four internal thread pipe 5 bottom ports and the inside intercommunication of same annular flat chamber 13.

Four circular concave holes 6 are annularly and equidistantly formed in the top surface of the upper ring cover plate 4, and bolts 7 penetrate through the circular concave holes 6, so that the bolts 7 can be conveniently and correspondingly placed; the inner part of the internal thread pipe 5 is in threaded connection with one end of a bolt 7, and the outer side port of the internal thread pipe 5 is superposed on the bottom port of the corresponding round concave hole 6, so that the one-to-one corresponding effect is achieved; the annular flat cavity 13 is filled with hydraulic oil, so that the inner wall of the annular convex block 10 is pushed to deform and bulge outwards by the pressurized hydraulic oil; the cross section of the trepanning 9 is of an E-shaped structure, and the edges of the ports on the two sides of the trepanning 9 are obliquely and inwardly provided with annular rubber surrounding sheets 11; the cross section of the steel ring block 3 is of a T-shaped structure, anti-skid grains 15 are arranged on the top circular ring surface and the bottom circular ring surface inside the T-shaped structure of the steel ring block 3, and firmness of connection of the steel ring block 3 and a connection ring groove 2 arranged on the ring shape of the rubber round block 1 can be enhanced.

When the utility model is used, the rubber round block 1 with the middle part provided with the trepanning 9 is arranged in the steel ring block 3 through the linking ring groove 2, and the upper ring cover plate 4 and the lower ring cover plate 14 made of metal materials are arranged at two sides of the rubber round block 1, so that a structure with certain strength can be assembled at a corresponding structure, and the rod body passing through the trepanning 9 can be surrounded by the annular rubber surrounding sheet 11, thereby enhancing the sealing effect;

the corresponding bolts 7 are gradually screwed down in the inner threaded pipes 5 to apply pressure to hydraulic oil in the annular flat cavities 13, so that the effect of deformation of the inner expansion of the rubber round blocks is achieved, and the contact tightness between the ring convex blocks 10 and the rod body can be improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a two lip oil seal ring for speed reducer which characterized in that: comprises a steel ring block (3), the steel ring block (3) is connected with a rubber round block (1) through a connecting ring groove (2), and the middle part of the rubber round block (1) is provided with a sleeve hole (9), the middle part of the inner ring wall of the sleeve hole (9) is provided with a ring convex block (10), an annular flat cavity (13) is arranged inside the ring convex block (10), the ring convex edges (12) at the top and the bottom of the rubber round block (1) are sleeved with fastening rings (8), an upper ring cover plate (4) is arranged between the fastening ring (8) at the top and the top of the steel ring block (3), a lower ring cover plate (14) is arranged between the fastening ring (8) at the bottom and the bottom of the steel ring block (3), four internal thread pipes (5) are annularly and equidistantly arranged inside the surface of the top of the rubber round block (1), and the bottom ports of the four internal thread pipes (5) are communicated with the inside of the same annular flat cavity (13).

2. The double-lip oil seal ring for a speed reducer according to claim 1, characterized in that: four circular concave holes (6) are formed in the top surface of the upper ring cover plate (4) in an annular and equidistant mode, and bolts (7) penetrate through the circular concave holes (6).

3. The double-lip oil seal ring for a speed reducer according to claim 1, characterized in that: the inner part of the internal thread pipe (5) is in threaded connection with one end of the bolt (7), and the outer end port of the internal thread pipe (5) is superposed on the bottom port of the corresponding round concave hole (6).

4. The double-lip oil seal ring for a speed reducer according to claim 1, characterized in that: the annular flat cavity (13) is filled with hydraulic oil.

5. The double-lip oil seal ring for a speed reducer according to claim 1, characterized in that: the cross section of the trepanning (9) is of an E-shaped structure, and the edges of ports on two sides of the trepanning (9) are obliquely and inwards provided with annular rubber surrounding sheets (11).

6. The double-lip oil seal ring for a speed reducer according to claim 1, characterized in that: the cross section of the steel ring block (3) is of a T-shaped structure, and anti-skid grains (15) are arranged on the top circular ring surface and the bottom circular ring surface of the inner side of the T-shaped structure of the steel ring block (3).