CN217842671U

CN217842671U - Anti-deformation engine oil seal

Info

Publication number: CN217842671U
Application number: CN202222141688.8U
Authority: CN
Inventors: 李霄鹏
Original assignee: Qingdao Peike Sealing Technology Co ltd
Current assignee: Qingdao Peike Sealing Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-18
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses an anti-deformation engine oil seal, including seal ring, sealed lip and dustproof lip, one side of the bottom of seal ring is provided with the sealed lip of integral type, and the sealed lip is used for sealing lubricating oil after forming the oil film, the other side of the bottom of seal ring is provided with the dustproof lip of integral type, and the dustproof lip can prevent the dust from entering the inside, the inboard of seal ring is equipped with the skeleton, the skeleton is L type structure, one side of seal ring is provided with anti-deformation rubber; when the oil blanket is in the use, interference fit's oil blanket can receive the extrusion when installing and using, and the accessible is preapred for an unfavorable turn of events shape rubber and is played the rebound effect among the extrusion process, improves the shape ability of preapred for an unfavorable turn of events of oil blanket, avoids the extrusion or ageing to lead to the oil blanket to warp, is provided with the flight in the inboard of this oil blanket simultaneously, and the inboard both ends surface at the oil blanket is connected to the both sides of flight, strengthens its antitorque distortion effort through the flight, prevents that the distortion from leading to the oil blanket deformation great, improves the resistance to deformation ability of this oil blanket.

Description

Anti-deformation engine oil seal

Technical Field

The utility model belongs to the technical field of the oil blanket, concretely relates to engine oil blanket of preapring for an unfavorable turn of events shape.

Background

The oil seal is a device part used for preventing fluid from overflowing from a joint (mostly a joint surface or a rotating shaft of a part) in a machine, a sealing element for static sealing and dynamic sealing (generally reciprocating motion) is called a sealing element, the representative form of the oil seal is a TC oil seal, the oil seal is a double-lip oil seal with a self-tightening spring and completely coated by rubber, generally speaking, the TC framework oil seal is often referred to as the oil seal, and the oil seal is needed at a part which is connected with the outside and contains liquid lubricating oil in a transporting and rotating body box. Some are rubber, some are metal, most are steel-reinforced rubber, such as crankshaft rear oil seal, gearbox front and rear oil seal, left and right half shaft oil seal, main reducer front oil seal, air compressor crankshaft oil seal and the like.

The existing engine oil seal is used for sealing an engine to prevent lubricating oil in the engine from leaking when the existing engine oil seal is used, but in the use process of the common oil seal, the oil seal is easily extruded when being installed and used, so that the oil seal is deformed or bent, the sealing effect of the oil seal is influenced, the practicability of the oil seal is reduced, and the anti-deformation engine oil seal is provided for this purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engine oil blanket of preapring for an unfavorable turn of events shape to solve the current engine oil blanket that proposes in the above-mentioned background art, in the oil blanket use commonly used, the oil blanket receives the extrusion when the installation uses easily, thereby leads to the oil blanket to produce and warp or crooked, influences the sealed effect of oil blanket, reduces the problem of the practicality of oil blanket.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an engine oil seal of preapring for an unfavorable turn of events shape, includes seal, sealed lip and dustproof lip, bottom one side of seal is provided with the sealed lip of integral type, and sealed lip is used for sealing up lubricating oil after forming the oil film, the bottom opposite side of seal is provided with the dustproof lip of integral type, and dustproof lip can prevent that the dust from getting into inside, the skeleton has been installed to the inboard of seal, the skeleton is L type structure, and the skeleton of setting is used for improving the structural strength of seal, guarantees the stability of seal, one side of seal is provided with anti-deformation rubber, anti-deformation rubber's cross-section is domes, can provide reaction force when the contact deformation and prevent deformation, one side of seal is seted up flutedly, anti-deformation rubber connection is installed at the top of recess, just U type groove has been seted up to the bottom of recess, the spring has been installed in the U type groove, the inboard connection of recess has installed the oblique piece, install respectively the both ends of oblique piece through the oblique piece of connection the upper and lower both sides surface of recess, the anti-deformation effort of seal is improved through the oblique piece of connection, anti-deformation rubber and oblique piece array sets up in the recess, the interval of anti-deformation rubber and anti-deformation is the same with the oblique piece, the same anti-deformation interval of anti-deformation device.

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

(1) When the oil seal is used, the oil seal is used for sealing an engine and preventing lubricating oil in the engine from leaking, but the oil seal is easy to extrude in the using process of a common oil seal, so that the oil seal is deformed or bent to influence the sealing effect of the oil seal, the bulge structure is arranged in the oil seal, when the oil seal is used, the oil seal in interference fit can be extruded when being installed and used, the anti-deformation rubber can play a rebound role in the extruding process, the anti-deformation capability of the oil seal is improved, the phenomenon that the oil seal is deformed due to extrusion or aging and the sealing effect is influenced is avoided, and the anti-deformation capability of the oil seal is improved;

(2) Meanwhile, the inner side of the oil seal is provided with the inclined sheet, two sides of the inclined sheet are connected to the surfaces of two ends of the inner side of the oil seal, when the oil seal is subjected to a twisting acting force in use, the anti-twisting acting force of the oil seal can be enhanced through the inclined sheet, the oil seal is prevented from being deformed greatly due to twisting, and therefore the anti-deformation capability of the oil seal is improved;

(3) And set up the U type groove that deepens in the inboard of this oil blanket, the spring that installs on the oil blanket inlays completely to establish installs in U type inslot, prevents that the oil blanket from dislocating when warping to improve the stability of oil blanket.

Drawings

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

fig. 2 is a schematic cross-sectional structure diagram of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at A according to the present invention;

in the figure: 1. sealing a ring; 2. anti-deformation rubber; 3. oblique sheets; 4. a U-shaped groove; 5. a spring; 6. a sealing lip; 7. a dust lip; 8. and (3) a framework.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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, fig. 2 and fig. 3, the present invention provides a technical solution: the utility model provides an engine oil seal of preapring for an unfavorable turn of events shape, including seal 1, sealed lip 6 and dustproof lip 7, bottom one side of seal 1 is provided with the sealed lip 6 of integral type, the bottom opposite side of seal 1 is provided with the dustproof lip 7 of integral type, skeleton 8 has been installed to the inboard of seal 1, skeleton 8 is L type structure, the skeleton 8 that sets up is used for improving this seal 1's intensity, prevent that seal 1 is complete in the use, one side of seal 1 is provided with shape rubber 2 of preapring for an unfavorable turn of events, the cross-section of shape rubber 2 of preapring for an unfavorable turn of events is domes, one side of seal 1 is seted up flutedly, shape rubber 2 connection of preapring for an unfavorable turn of events is installed at the top of recess, and U type groove 4 has been seted up to the bottom of recess, U type groove 4 has installed spring 5, when seal 1 is in the use, interference fit seal 1 can receive the extrusion when installing and using, shape rubber 2 plays the rebound effect of preapring for an unfavorable turn of events in the extrusion in-process accessible, improve the shape ability of preapring for an unfavorable turn of events of seals 1, avoid extrusion or ageing to lead to seal 1 to warp, influence sealed effect.

In order to better provide stability, in this embodiment, preferably, the inclined pieces 3 are connected and installed on the inner sides of the grooves, two ends of each inclined piece 3 are installed on the upper and lower side surfaces of each groove, the inner sides of the seal ring 1 can be pulled through the inclined pieces 3, when the seal ring 1 is subjected to twisting action force during use, the anti-twisting action force can be enhanced through the inclined pieces 3, the seal ring 1 is prevented from being deformed greatly due to twisting, and therefore the deformation resistance of the seal ring 1 is improved.

For better use, in this embodiment, preferably, the deformation preventing rubber 2 and the inclined plate 3 are arranged in the groove in an array manner, the deformation preventing rubber 2 and the inclined plate 3 are arranged at intervals, the adjacent deformation preventing rubber 2 and the inclined plate 3 have the same interval, and the deformation preventing rubber 2 and the inclined plate 3 which are arranged in the array manner at the same interval can be used better stably.

The utility model discloses a theory of operation and use flow: the oil blanket is used for sealing up the engine when using, prevent that the lubricating oil in the engine from revealing, but in the oil blanket use commonly used, the oil blanket receives the extrusion easily, thereby lead to the oil blanket to produce and warp or crooked, influence the sealed effect of oil blanket, through the inside at this oil blanket sets up shape rubber 2 of preapring for an unfavorable turn of events, in the use, can receive the extrusion when interference fit's oil blanket installation uses, the extrusion can lead to that seal ring 1 warp and makes the opening part inwards buckle, buckle can extrude shape rubber 2 of preapring for an unfavorable turn of events, shape rubber 2 atress of preapring for an unfavorable turn of events warp can play the bounce-back effect, the oil blanket that will inwards buckle resets, improve the shape ability of preapring for an unfavorable turn of events of oil blanket, avoid extrusion or ageing 1 deformation of seal ring that leads to, influence sealed effect, be provided with oblique piece 3 simultaneously in the inboard of this oil blanket, the inboard both ends surface at seal ring 1 is connected, when seal ring 1 uses receive the distortion effort, the effect of preapring for an unfavorable turn of events can strengthen its antitorque distortion effort, prevent that the distortion from leading to seal ring 1 deformation is great, thereby prevent that the distortion from leading to 1 deformation of seal ring 1 from installing in this oil blanket 4 in the inboard of oil blanket, prevent that the stability of U-shaped groove of increasing, thereby prevent the stability of U-shaped groove is established at the deepening 4 in this U-shaped groove, prevent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engine oil seal of preapring for an unfavorable turn of events shape, includes seal ring (1), sealed lip (6) and dustproof lip (7), its characterized in that: the utility model discloses a seal ring, including seal ring (1), skeleton (8), one side of seal ring (1) is provided with the sealed lip (6) of integral type, the bottom opposite side of seal ring (1) is provided with dustproof lip (7) of integral type, skeleton (8) have been installed to the inboard of seal ring (1), one side of seal ring (1) is provided with anti-deformation rubber (2), one side of seal ring (1) is seted up flutedly, anti-deformation rubber (2) are connected and are installed at the top of recess, just U type groove (4) have been seted up to the bottom of recess, spring (5) have been installed in U type groove (4).

2. The deformation-preventing engine oil seal according to claim 1, wherein: the inner side of the groove is connected with an inclined sheet (3), and two ends of the inclined sheet (3) are respectively arranged on the upper surface and the lower surface of the groove.

3. The deformation-preventing engine oil seal according to claim 2, wherein: the deformation-preventing rubber (2) and the inclined pieces (3) are arranged in the groove in an array mode.

4. The deformation-preventing engine oil seal according to claim 3, wherein: the anti-deformation rubber (2) and the inclined pieces (3) are arranged at intervals, and the adjacent anti-deformation rubber (2) and the adjacent inclined pieces (3) are the same in distance.

5. The deformation-preventing engine oil seal according to claim 1, wherein: the framework (8) is of an L-shaped structure.

6. The deformation-preventing engine oil seal according to claim 1, wherein: the cross section of the anti-deformation rubber (2) is of an arch structure.