CN215214721U - Crankshaft front oil seal seat - Google Patents

Abstract

The utility model provides an oil seal seat before bent axle, including preceding closing cap casing, the surface of preceding closing cap casing runs through all around and sets up the mounting hole that a plurality of aperture sizes are the same, and the through-hole has been seted up at the surface center of preceding closing cap casing, and the cavity has been seted up at the back of preceding closing cap casing, and the cavity surface encircles the through-hole surface cover and is equipped with sealing mechanism. The utility model discloses a sealing mechanism who is equipped with, the inside steel ring of rubber cover can increase the intensity that supports the rubber cover, and after the fixed mounting, the spring of rubber cover extrusion one end fixed connection compresses, and the spring atress closely extrudees with the rubber cover, provides the leakproofness of connecting, prevents that the grease from leaking from the through-hole, sets up at the ring channel of through-hole inner wall, can carry out convenient installation dust ring, prevents that the dust from entering into inside the crankcase through the through-hole.

Description

Crankshaft front oil seal seat

Technical Field

The utility model relates to an oil blanket seat technical field specifically is an oil blanket seat before bent axle.

Background

Oil seals are simply seals for lubricating oil. The oil seal is a mechanical element for sealing grease, and separates a part needing lubrication in a transmission part from a force-applying part, so that lubricating oil is prevented from leaking. The oil seal seat is connected with the engine body through a bolt, and the common gas engine oil seal is installed on the oil seal seat through interference fit, so that engine oil in a crankcase is prevented from leaking outwards, the existing crankshaft oil seal seat is frequently subjected to loss caused by pressure change and long-term use due to the fact that the existing crankshaft oil seal seat is used, the sealing performance is reduced, leakage of oil can occur, the lubricating performance of a crankshaft is reduced, abrasion of the crankshaft is increased, and finally the service life of the crankshaft is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil seal seat before bent axle to solve the current bent axle oil seal seat in use that above-mentioned background art provided, often can be because of receiving the loss that inside pressure variation and permanent use caused, make the leakproofness reduce, lead to the grease can take place to leak, reduce the lubricating property of bent axle, increase the problem of bent axle wearing and tearing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a preceding oil blanket seat of bent axle, includes preceding closing cap casing, the surface of preceding closing cap casing is run through all around and is seted up a plurality of mounting holes that aperture size is the same, the through-hole has been seted up at the surperficial center of preceding closing cap casing, the cavity has been seted up at the back of preceding closing cap casing, the cavity surface encircles the through-hole surface cover and is equipped with sealing mechanism.

In order to make the grease leakage prevention, as the utility model relates to a preferred scheme: sealing mechanism includes a plurality of springs of fixed connection in the cavity inner wall, the surface cover of spring is equipped with the annular cover, the one end fixedly connected with rubber cover of spring, annular cover fixed connection is inside the rubber cover.

In order to be convenient for the cover to establish on crankshaft output shaft, conduct the utility model relates to an optimal scheme: two steel rings are arranged inside the rubber cover, a through hole with the same size as the through hole is formed in the middle of the rubber cover, and the rubber cover is in a conical shape.

In order to make prevent that the dust from entering inside the bent axle, as the utility model discloses a preferred scheme: an annular groove is formed in the inner wall of the through hole, and a dustproof ring is embedded in the annular groove.

In order to make before strengthening, closing cap shell intensity, as the utility model relates to a preferred scheme: and the periphery of the surface of the through hole is fixedly connected with a plurality of reinforcing ribs in a surrounding manner, and the reinforcing ribs are fixedly welded with the front sealing cover shell.

In order to make preceding closing cap casing and crankcase sealing connection, as the utility model relates to a preferred scheme: the back of the front seal cover shell is provided with a sealing ring along the shell, and the sealing ring is tightly adhered to the front seal cover shell.

In order to make the rubber cover have high temperature resistance, conduct the utility model relates to an optimal scheme: the rubber cover is made of plastic materials with certain ductility and high temperature resistance.

In order to make and take when being convenient for the installation is dismantled, conduct the utility model relates to an optimal scheme: handles are fixedly welded on two side walls of the front sealing cover shell.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through the sealing mechanism, when the crankshaft output end is inserted and connected with the rubber cover through hole during installation, the rubber cover covers the surface of the output end, the steel ring in the rubber cover increases the strength of supporting the rubber cover, and meanwhile, after the crankshaft output end is fixedly installed, the rubber cover extrudes the spring fixedly connected with one end to compress, the spring is stressed and tightly extruded with the rubber cover, so that the connection tightness is provided, and grease is prevented from leaking from the through hole;

(2) through seting up the ring channel at the through-hole inner wall, can carry out convenient installation dust ring, prevent that the dust from entering into crankcase through the through-hole inside, the sealing ring that is equipped with makes preceding closing cap casing and crankcase sealing connection, prevents that grease from taking place to reveal from the junction, guarantees lubricated ability.

Drawings

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

FIG. 2 is a schematic view of the inner surface of the present invention;

fig. 3 is a schematic structural view of the sealing mechanism of the present invention;

fig. 4 is a schematic view of the handle structure of the present invention.

In the figure: 1. a front closure housing; 2. mounting holes; 3. a through hole; 4. a cavity; 5. a sealing mechanism; 51. a spring; 52. an annular shroud; 53. a rubber cover; 6. an annular groove; 7. a dust ring; 8. reinforcing ribs; 9. a seal ring; 10. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a preceding oil blanket seat of bent axle, includes preceding closing cap casing 1, and the surface of preceding closing cap casing 1 runs through all around and sets up a plurality of mounting holes 2 that the aperture size is the same, and through-hole 3 has been seted up at the surperficial center of preceding closing cap casing 1, and cavity 4 has been seted up at the back of preceding closing cap casing 1, and cavity 4 surface is equipped with sealing mechanism 5 around 3 surface covers of through-hole.

In this embodiment: the sealing mechanism 5 comprises a plurality of springs 51 fixedly connected to the inner wall of the cavity 4, an annular cover 52 is covered on the surface of each spring 51, a rubber cover 53 is fixedly connected to one end of each spring 51, and the annular cover 52 is fixedly connected to the inside of the rubber cover 53.

When in specific use: during the installation, the crankshaft output alternates to be connected in the perforation of seting up on rubber cover 53 surface, and rubber cover 53 covers and establishes on the output surface, and when closing cap casing 1 was connected with the crankcase before promoting simultaneously, rubber cover 53 extruded one end fixed connection's spring 51 compressed, and the spring 51 atress closely extrudees with rubber cover 53, provides the leakproofness of connecting, prevents that the grease from leaking from the through-hole.

In this embodiment: rubber cover 53 internally mounted has two steel rings, and rubber cover 53 middle part is seted up and is seted up the perforation the same with through-hole 3 size, and rubber cover 53 is the toper form.

When in specific use: two steel rings inside the rubber cover 53 increase the strength of supporting the rubber cover 53, and the punched holes with the same size as the through holes 3 are conveniently covered on the surface of the output end of the crankshaft, so that the occupied inner space is reduced due to the design of the conical shape.

In this embodiment: an annular groove 6 is formed in the inner wall of the through hole 3, and a dustproof ring 7 is embedded in the annular groove 6.

When in specific use: the annular groove 6 is convenient for install the dust ring 7, and when the crankshaft output end is inserted and connected with the inside of the hole 3, the dust ring 7 plays a role in blocking dust, and the dust is prevented from entering the inside of the crankcase.

In this embodiment: the periphery of the surface of the through hole 3 is fixedly connected with a plurality of reinforcing ribs 8 in a surrounding mode, and the reinforcing ribs 8 are fixedly welded with the front sealing cover shell 1.

When in specific use: the reinforcing ribs 8 fixedly welded with the front sealing cover shell 1 reinforce the strength around the through hole 3, and the service life of the front sealing cover shell 1 is prolonged.

In this embodiment: the sealing ring 9 is arranged on the back of the front sealing cover shell 1 along the shell, and the sealing ring 9 is tightly adhered to the front sealing cover shell 1.

When in specific use: the sealing ring 9 plays a role in sealing, and when the front cover shell 1 is fixedly connected with the crankcase, the sealing ring 9 is extruded to enable a gap at the sealing connection part to be sealed, so that leakage is prevented.

In this embodiment: the rubber cover 53 is made of a plastic material having a certain ductility and high temperature resistance.

When in specific use: the rubber cover 53 has better high temperature resistance, and the rubber cover 53 is prevented from deforming and melting due to overhigh temperature of grease in the crankcase.

The working principle is as follows: during installation, the crankshaft output end is inserted and connected from the through hole formed in the rubber cover 53, the front sealing cover shell 1 is continuously pushed to enable the output end to penetrate through the through hole 3, at the moment, the front sealing cover shell 1 is in contact with the crankcase, the rubber cover 53 is extruded to drive the spring 51 to compress, the mounting holes 2 formed in the periphery of the surface of the front sealing cover shell 1 correspond to the holes formed in the surface of the crankcase, the spring 51 is stressed to push the rubber cover 53 to be closely connected with the output shaft inserted and connected, leakage of grease is prevented, the sealing ring 9 fills the gap at the joint of the front sealing cover shell 1 and the crankcase, and a good sealing effect is achieved.

Example 2

Referring to FIG. 4: in order to facilitate taking during disassembly, the embodiment has the following distinguishing features in the distinguishing embodiment 1: handles 10 are fixedly welded on two side walls of the front cover casing 1.

When in specific use: the handle 10 facilitates access during mounting and dismounting of the front cover housing 1.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides a preceding oil blanket of bent axle, includes preceding closing cap casing (1), its characterized in that: the surface of the front sealing cover shell (1) is provided with a plurality of mounting holes (2) with the same aperture size in a penetrating mode all around, the center of the surface of the front sealing cover shell (1) is provided with a through hole (3), the back of the front sealing cover shell (1) is provided with a cavity (4), and the surface of the cavity (4) is provided with a sealing mechanism (5) in a covering mode around the surface of the through hole (3).

2. The crankshaft front oil seal seat as set forth in claim 1, wherein: sealing mechanism (5) are including a plurality of springs (51) of fixed connection in cavity (4) inner wall, the surface cover of spring (51) is equipped with annular cover (52), the one end fixedly connected with rubber cover (53) of spring (51), annular cover (52) fixed connection is inside rubber cover (53).

3. The front oil seal seat of the crankshaft as claimed in claim 2, wherein: two steel rings are arranged inside the rubber cover (53), a through hole with the same size as the through hole (3) is formed in the middle of the rubber cover (53), and the rubber cover (53) is in a conical shape.

4. The crankshaft front oil seal seat as set forth in claim 1, wherein: an annular groove (6) is formed in the inner wall of the through hole (3), and a dustproof ring (7) is embedded in the annular groove (6).

5. The crankshaft front oil seal seat as set forth in claim 4, wherein: the surface of the through hole (3) is fixedly connected with a plurality of reinforcing ribs (8) around the periphery, and the reinforcing ribs (8) are fixedly welded with the front sealing cover shell (1).

6. The crankshaft front oil seal seat as set forth in claim 1, wherein: the back of preceding closing cap casing (1) is equipped with sealing ring (9) along the casing, sealing ring (9) closely paste with preceding closing cap casing (1).

7. The crankshaft front oil seal seat according to claim 3, characterized in that: the rubber cover (53) is made of plastic materials with certain ductility and high temperature resistance.

8. The crankshaft front oil seal seat as set forth in claim 1, wherein: handles (10) are fixedly welded on two side walls of the front sealing cover shell (1).

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