CN210830475U - Novel low-friction rubber oil seal - Google Patents

Abstract

The utility model discloses a novel low-friction rubber oil seal, which comprises a first sealing colloid, a connecting framework and a second sealing colloid, the first sealing colloid comprises a rubber seal body and a bulge, the bulge is uniformly arranged on the side surface of the rubber seal body, the utility model designs a novel low-friction rubber oil seal by researching the traditional rubber oil seal structure, effectively solves the problem that the existing rubber oil seal structure is simple and needs a corresponding self-tightening spring to extrude and seal in the using process, this results in high friction between the oil seal and the parts, wear of the oil seal over long periods of use, thereby causing the problem of oil seal failure, the second sealing colloid is convenient to be in close contact with the rotating shaft through the structural arrangement, and the connecting framework is directly contacted with the rotating shaft, so that the low friction effect in the using process is ensured without the assistance of a corresponding self-tightening spring.

Description

Novel low-friction rubber oil seal

Technical Field

The utility model relates to a rubber oil seal technical field specifically is a novel low friction rubber oil seal.

Background

The oil seal is used for sealing oil, the oil is the most common liquid substance in a transmission system, and also generally refers to a mechanical element which is the meaning of a common liquid substance, the oil seal isolates a part needing to be lubricated in a transmission part from a force-applying part, so that the lubricating oil cannot leak, static seal and dynamic seal generally reciprocate, the sealing element is called a sealing element, the representative form of the oil seal is a TC oil seal, the TC oil seal is a double-lip oil seal with a self-tightening spring and completely coated by rubber, the oil seal generally refers to a TC framework oil seal, common materials of the oil seal comprise nitrile rubber, fluororubber, silicon rubber, acrylate rubber, polyurethane, polytetrafluoroethylene and the like, and when the material of the oil seal is selected, the compatibility of the material to a working medium, the adaptability to a working temperature range and the following capability of a lip edge to the high-speed rotation of a rotating shaft.

The utility model discloses an inventor discovers, current rubber oil blanket simple structure needs corresponding self-tightening spring to extrude sealedly in the use, can lead to the friction between oil blanket and the part great like this, and long-term the use can take place wearing and tearing to the oil blanket, and then leads to the oil blanket to become invalid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel low friction rubber oil blanket aims at improving current rubber oil blanket simple structure and needs corresponding from the tight spring to extrude sealedly in the use, and it is great to lead to the friction between oil blanket and the part like this, and long-term the use can take place wearing and tearing to the oil blanket, and then leads to the problem that the oil blanket became invalid.

The utility model discloses a realize like this:

a novel low-friction rubber oil seal comprises a first sealing colloid, a connecting framework and a second sealing colloid, wherein the first sealing colloid comprises a rubber seal body and a convex part, the convex part is uniformly arranged on the side surface of the rubber seal body, the convex part and the rubber seal body are integrally formed, the connecting framework is arranged in a C shape, the connecting framework is fixedly clamped in the middle of the rubber seal body, the second sealing colloid is arranged at the head part of the connecting framework, the second sealing colloid is fixedly connected with the connecting framework, the first sealing colloid is conveniently matched with a shell for installation and use through the structural arrangement of the first sealing colloid, the first sealing colloid is ensured to be more closely connected with the shell through the structural arrangement of the convex part, the falling of the rubber oil seal is avoided during installation, the stable connection between the first sealing colloid and the second sealing colloid and the integral strength of the rubber oil seal are ensured through the arrangement of the connecting framework, the stability of installation is guaranteed.

Further, the second seals colloid and includes first sealing, collection oil portion and second sealing, first sealing and second sealing symmetry set up the upper and lower both sides in collection oil portion, and first sealing, collection oil portion and second sealing integrated into one piece, guarantees the user through the structure setting to the second seals colloid and need not to notice positive and negative when installing, and first sealing and second sealing are symmetrical structure, avoid the mistake when installing, guarantee the leakproofness of being connected with the pivot through the setting of first sealing and second sealing, guarantee the storage of fluid through the setting to collection oil portion.

Further, first sealing and second sealing all include sealed card strip and sealed fixture block, form the recess between sealed card strip and the sealed fixture block, guarantee the laminating that the sealing can be inseparable on the lateral surface of pivot through setting up sealed card strip, guarantee the joint strength of sealing through setting up sealed fixture block to recess between sealed card strip and sealed fixture block can be used for improving sealed card strip and sealed fixture block and pivot connection sealing effect as the oil gallery.

Further, the oil collecting portion is arc-shaped, the inner side face of the oil collecting portion is uniformly provided with annular protrusions, the annular protrusions and the oil collecting portion are integrally formed, the inner wall of the oil collecting portion is guaranteed to be easy to remain with a house through the arrangement of the annular protrusions, and the oil is guaranteed to be better in the oil collecting portion.

Further, still be provided with the card strip on connecting the skeleton, card strip symmetry sets up at the both ends head of connecting the skeleton, and card strip and the integrative shaping of connection skeleton, and the cooperation draw-in groove of being convenient for through setting up to the card strip is firm to be connected the use to guarantee to connect the stability that skeleton and second sealed colloid are connected.

Further, still set up on the second sealing colloid and match complex draw-in groove with the card strip, all be provided with reticular fiber on first sealing colloid and the second sealing colloid lateral surface, increase the intensity of sealing colloid through setting up the reticular fiber outer layer, prevent the brittle failure in the low temperature use.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a study traditional rubber oil blanket structure, design a novel low friction rubber oil blanket, the effectual current rubber oil blanket simple structure of having solved needs corresponding self-tightening spring to extrude sealedly in the use, can lead to the friction between oil blanket and the part great like this, long-term use can take place wearing and tearing to the oil blanket, and then lead to the problem of oil blanket inefficacy, be convenient for and pivot in close contact with through the structure setting to the sealed colloid of second, and through connecting the direct and pivot in contact with each other of skeleton, do not need corresponding self-tightening spring to assist, guarantee the low friction effect in the use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of the device of the present invention;

FIG. 2 is a schematic structural diagram of the first encapsulant shown in FIG. 1;

FIG. 3 is a schematic structural view of the connecting skeleton shown in FIG. 1;

fig. 4 is a schematic structural diagram of the second encapsulant shown in fig. 1.

In the figure: 1. a first sealing colloid; 11. a glue seal body; 12. a boss portion; 2. connecting the framework; 21. clamping the strip; 3. a second sealing colloid; 31. a first seal portion; 311. sealing the clamping strip; 312. sealing the clamping block; 313. a groove; 32. an oil collecting part; 321. an annular projection; 33. a second seal portion; 34. a clamping groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Referring to fig. 1, 2, 3 and 4, a novel low friction rubber oil seal comprises a first sealing colloid 1, a connecting framework 2 and a second sealing colloid 3, wherein the first sealing colloid 1 comprises a rubber seal body 11 and a convex part 12, the convex part 12 is uniformly arranged on the side surface of the rubber seal body 11, and the convex part 12 and the rubber seal body 11 are integrally formed, the novel low friction rubber oil seal is designed by researching the traditional rubber oil seal structure, effectively solves the problems that the existing rubber oil seal structure is simple, a corresponding self-tightening spring is needed to perform extrusion sealing in the using process, the friction between an oil seal and parts is large, the oil seal is abraded after long-term use, and the oil seal is invalid, and is convenient to be installed and used with a shell (not shown in the figure) through the structural arrangement of the first sealing colloid 1, the first sealing colloid 1 is ensured to be more closely connected with the shell through the structural arrangement of the convex part 12, and the falling of the rubber oil seal is avoided during installation;

the connecting framework 2 is arranged in a C shape, the connecting framework 2 is fixedly clamped in the middle of the rubber seal body 11, stable connection between the first sealing colloid 1 and the second sealing colloid 3 and the overall strength of the rubber oil seal are guaranteed through arrangement of the connecting framework 2, the mounting stability is guaranteed, clamping strips 21 are further arranged on the connecting framework 2, the clamping strips 21 are symmetrically arranged at the heads of the two ends of the connecting framework 2, the clamping strips 21 and the connecting framework 2 are integrally formed, and the clamping strips 21 are conveniently matched with clamping grooves 34 to be stably connected and used through arrangement of the clamping strips 21, so that the connection stability of the connecting framework 2 and the second sealing colloid 3 is guaranteed;

the second sealing colloid 3 is arranged at the head part of the connecting framework 2, the second sealing colloid 3 is fixedly connected with the connecting framework 2, the second sealing colloid 3 is convenient to be in close contact with a rotating shaft (not shown in the figure) through the structural arrangement of the second sealing colloid 3, and is directly contacted with the rotating shaft through the connecting framework 2 without being assisted by a corresponding self-tightening spring, so that the low friction effect in the use process is ensured, the second sealing colloid 3 comprises a first sealing part 31, an oil collecting part 32 and a second sealing part 33, the first sealing part 31 and the second sealing part 33 are symmetrically arranged at the upper side and the lower side of the oil collecting part 32, the first sealing part 31, the oil collecting part 32 and the second sealing part 33 are integrally formed, the forward and reverse directions of a user when the user does not need to pay attention to installation are ensured through the structural arrangement of the second sealing colloid 3, the first sealing part 31 and the second sealing part 32 are of symmetrical structures, so that the error in the installation is avoided, the sealing performance of the connection with the rotating shaft is ensured through the arrangement of the first sealing part 31 and the second sealing part 32, and the storage of oil is ensured through the arrangement of the oil collecting part 32;

the first sealing part 31 and the second sealing part 33 both comprise a sealing clamping strip 311 and a sealing clamping block 312, a groove 313 is formed between the sealing clamping strip 311 and the sealing clamping block 312, the sealing part can be tightly attached to the outer side surface of the rotating shaft through the arrangement of the sealing clamping strip 311, the connection strength of the sealing part is ensured through the arrangement of the sealing clamping block 312, the groove 313 between the sealing clamping strip 311 and the sealing clamping block 312 can be used as an oil return groove to improve the connection sealing effect between the sealing clamping strip 311 and the sealing clamping block 312 and the rotating shaft, the oil collecting part 32 is in a circular arc shape, annular protrusions 321 are uniformly arranged on the inner side surface of the oil collecting part 32, the annular protrusions 321 and the oil collecting part 32 are integrally formed, the arrangement of the annular protrusions 321 ensures that oil easily remains on the inner wall of the oil collecting part 32, the oil is better ensured to be in the oil collecting colloid part 32, and a clamping groove 34 matched with the clamping strip 21 is further formed on the second sealing colloid 3, all be provided with reticular fiber on first sealing colloid 1 and the 3 lateral surfaces of second sealing colloid, increase sealing colloid's intensity through the setting to the reticular fiber outer layer, prevent the brittle failure in the low temperature use.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a novel low friction rubber oil seal, includes first sealing colloid (1), connects skeleton (2) and second sealing colloid (3), its characterized in that: first sealed colloid (1) seals body (11) and bellying (12) including gluing, the even setting of bellying (12) is in the side of gluing and sealing body (11), and bellying (12) and gluey body (11) integrated into one piece, connect skeleton (2) and set up to the C font, and connect the middle part that skeleton (2) fixed joint was sealing body (11) gluing, the head at connection skeleton (2) is installed in second sealed colloid (3), and second sealed colloid (3) and be connected skeleton (2) fixed connection.

2. The novel low-friction rubber oil seal according to claim 1, wherein the second sealing colloid (3) comprises a first sealing part (31), an oil collecting part (32) and a second sealing part (33), the first sealing part (31) and the second sealing part (33) are symmetrically arranged on the upper side and the lower side of the oil collecting part (32), and the first sealing part (31), the oil collecting part (32) and the second sealing part (33) are integrally formed.

3. The novel low-friction rubber oil seal as claimed in claim 2, wherein the first sealing portion (31) and the second sealing portion (33) each comprise a sealing clamping strip (311) and a sealing clamping block (312), and a groove (313) is formed between the sealing clamping strip (311) and the sealing clamping block (312).

4. A novel low-friction rubber oil seal as claimed in claim 3, wherein the oil collecting portion (32) is configured in a circular arc shape, and the inner side surface of the oil collecting portion (32) is uniformly provided with an annular protrusion (321), and the annular protrusion (321) and the oil collecting portion (32) are integrally formed.

5. The novel low-friction rubber oil seal as claimed in claim 4, wherein the connecting framework (2) is further provided with clamping strips (21), the clamping strips (21) are symmetrically arranged at the head parts of the two ends of the connecting framework (2), and the clamping strips (21) and the connecting framework (2) are integrally formed.

6. The novel low-friction rubber oil seal according to claim 5, wherein the second sealing colloid (3) is further provided with a clamping groove (34) matched with the clamping strip (21), and the outer side surfaces of the first sealing colloid (1) and the second sealing colloid (3) are both provided with reticular fibers.

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