CN216143177U

CN216143177U - Dustproof oil seal for vehicle

Info

Publication number: CN216143177U
Application number: CN202121543861.6U
Authority: CN
Inventors: 吴成明
Original assignee: Zhuhai Weida Precision Technology Co ltd
Current assignee: Zhuhai Weida Precision Technology Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-03-29
Anticipated expiration: 2031-07-08

Abstract

The utility model provides a vehicle dustproof oil seal, which comprises a metal framework, wherein the outer surface of the metal framework is wrapped and connected with a rubber body, a main sealing body is fixed on the inner wall of the rubber body, a sealing washer is fixed on the inner wall of the metal framework, one end of the main sealing body is fixedly connected with the metal framework, the other end of the main sealing body is bent downwards and is fixedly connected with the sealing washer, an installation groove is arranged in one end of the metal framework positioned below the main sealing body, a dust lip is movably connected in the installation groove, one end of the dust lip extends out of the mounting groove and is contacted with the lower end of the sealing washer, the lower end surface of the dust lip connected with the mounting groove is provided with a plurality of clamping grooves, the utility model has good sealing performance, the dustproof effect of length hoisting device of accessible free adjustment dust lip, the convenient dismantlement of dust lip and installation are convenient for regularly clear up and change simultaneously.

Description

Dustproof oil seal for vehicle

Technical Field

The utility model mainly relates to the technical field of vehicle oil seals, in particular to a vehicle dustproof oil seal.

Background

The oil seal is a conventional name of a common sealing element, namely simply a seal of lubricating oil, and is a mechanical element for sealing grease (oil is the most common liquid substance in a transmission system and also refers to the meaning of the common liquid substance), for example, a patent with application number 201720364371.7, the rotary oil seal for a vehicle comprises a main seal made of a metal framework, a rubber body and PTFE, and a plurality of uniformly distributed spiral backflow line structures formed by turning are designed on the main seal.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a vehicle dustproof oil seal, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a dustproof oil seal for a vehicle comprises a metal framework, wherein the outer surface of the metal framework is wrapped and connected with a rubber body, a main sealing body is fixed on the inner wall of the rubber body, a sealing washer is fixed on the inner wall of the metal framework, one end of the main sealing body is fixedly connected with the metal framework, the other end of the main sealing body is bent downwards and is fixedly connected with the sealing washer, an installation groove is arranged in one end of the metal framework positioned below the main sealing body, a dust lip is movably connected in the installation groove, one end of the dust lip extends out of the mounting groove and is contacted with the lower end of the sealing washer, a plurality of clamping grooves are arranged on the lower end surface of the dust lip connected with the mounting groove, the sealing performance of the device is improved by arranging the sealing washer, can prevent through setting up adjustable dust lip that dust from getting into, the dust lip is convenient for install and dismantle simultaneously, makes things convenient for regular clearance and change.

Furthermore, a plurality of groups of spiral backflow grooves are symmetrically formed in the outer end face of the bent part of the main sealing body, and the design improves the oil return pump suction capacity of the device.

Furthermore, seal ring adopts the polytetrafluoroethylene material to make, and polytetrafluoroethylene has advantages such as high temperature resistant and corrosion-resistant for the holistic sealing performance of this device is better, can effectually play effects such as dustproof, prevent leaking.

Further, the terminal surface is equipped with the through-hole under the rubber body, swing joint has the inserted bar in the through-hole, the inserted bar runs through the rubber body and extends to in the mounting groove, the inserted bar with the draw-in groove is connected, thereby this design is convenient for be connected fixed dust lip position through inserted bar and draw-in groove.

Furthermore, the limiting blocks are symmetrically fixed on the inner wall of the lower end of the through hole, the clamping seat is fixed on the part, located in the through hole, of the outer surface of the inserted rod, the spring is sleeved on the outer surface of the inserted rod, the two ends of the spring are fixedly connected with the limiting blocks and the clamping seat respectively, the spring can be extruded when the inserted rod is pulled downwards conveniently, and when the inserted rod corresponds to the clamping groove in position, the elastic force of the spring drives the inserted rod to be connected with the clamping groove.

Furthermore, the lower end of the inserted bar extends out of the through hole and is fixed with a pulling plate, and the design is convenient for pulling the inserted bar.

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

in the use process, the sealing performance and the dustproof effect of the whole device are improved by arranging the sealing washer, the length of the dustproof lip is adjustable by arranging the dustproof lip to be movably connected with the mounting groove and by matching and connecting the inserted rod with the clamping groove, so that the dustproof effect of the device is further improved, and meanwhile, the dustproof lip is convenient to detach and mount and is convenient to clean and replace at regular intervals.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is an enlarged view of the structure A of the present invention.

In the figure: 1. a metal skeleton; 11. a sealing gasket; 12. mounting grooves; 2. a rubber body; 21. a primary seal body; 211. a spiral reflux tank; 22. a through hole; 221. a limiting block; 3. a dust lip; 31. a card slot; 4. inserting a rod; 41. a card holder; 42. a spring; 43. and (5) pulling the plate.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-2 heavily, a dust-proof oil seal for vehicle comprises a metal framework 1, a rubber body 2 is wrapped and connected on the outer surface of the metal framework 1, a main sealing body 21 is fixed on the inner wall of the rubber body 2, a sealing washer 11 is fixed on the inner wall of the metal framework 1, one end of the main sealing body 21 is fixedly connected with the metal framework 1, the other end is bent downwards and is fixedly connected with the sealing washer 11, a mounting groove 12 is arranged in one end of the metal framework 1 below the main sealing body 21, a dust-proof lip 3 is movably connected in the mounting groove 12, one end of the dust-proof lip 3 extends out of the mounting groove 12 and is contacted with the lower end of the sealing washer 11, a plurality of clamping grooves 31 are arranged on the lower end face of the dust-proof lip 3 connected with the mounting groove 12, and the sealing performance of the device is improved by arranging the sealing washer 11, can prevent through setting up adjustable dust lip 3 that the dust from getting into, 3 convenient to assemble dismantlements of dust lip make things convenient for regular clearance and change simultaneously.

Referring to fig. 1 again, the outer end surface of the bent portion of the main sealing body 21 is symmetrically provided with a plurality of sets of spiral backflow grooves 211, which improves the oil return pumping capacity of the device.

Please refer to fig. 1, the sealing washer 11 is made of teflon, which has the advantages of high temperature resistance and corrosion resistance, so that the sealing performance of the whole device is better, and the effects of dust prevention, leakage prevention and the like can be effectively achieved.

Please refer to fig. 1 and fig. 2, a through hole 22 is formed on the lower end surface of the rubber body 2, an insertion rod 4 is movably connected in the through hole 22, the inserted link 4 penetrates through the rubber body 2 and extends into the mounting groove 12, the inserted link 4 is connected with the clamping groove 31, the inner wall of the lower end of the through hole 22 is symmetrically fixed with a limiting block 221, the part of the outer surface of the inserted link 4 positioned in the through hole 22 is fixed with a clamping seat 41, the outer surface of the inserting rod 4 is sleeved with a spring 42, two ends of the spring 42 are respectively fixedly connected with the limiting block 221 and the clamping seat 41, the lower end of the inserted link 4 extends out of the through hole 22 and is fixed with a pulling plate 43, the design is convenient for pulling the inserted link 4 downwards through the pulling plate 43 and pressing the spring 42, when the inserted link 4 corresponds to the position of the slot 31, the elastic force of the spring 42 drives the inserted link 4 to connect with the slot 31 after the pulling plate 43 is loosened, so as to fix the position of the dust lip 3.

The specific operation mode of the utility model is as follows:

when the dustproof device is used, the pull plate 43 is used for pulling the inserted rod 4 downwards to drive the spring 42 to compress, so that the inserted rod 4 is separated from the clamping groove 31, then the dustproof lip 3 is pulled to slide along the mounting groove 12, the pull plate 43 is loosened after the telescopic length of the dustproof lip 3 is adjusted, the elastic force of the spring 42 is used for driving the inserted rod 4 to reset, and the inserted rod 4 is connected with the other clamping groove 31 so as to fix the position of the dustproof lip 3; when the dust lip 3 needs to be cleaned or replaced, the dust lip 3 is directly taken out of the mounting groove 12 after the inserted bar 4 is pulled downwards, the dust on the dust lip 3 is cleaned and then inserted into the mounting groove 12, and the inserted bar 4 is aligned with the clamping groove 31 and then fixed in installation.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. A vehicle dustproof oil seal comprises a metal framework (1) and is characterized in that the outer surface of the metal framework (1) is wrapped and connected with a rubber body (2), a main sealing body (21) is fixed on the inner wall of the rubber body (2), a sealing washer (11) is fixed on the inner wall of the metal framework (1), one end of the main sealing body (21) is fixedly connected with the metal framework (1), the other end of the main sealing body is bent downwards and is fixedly connected with the sealing washer (11), an installation groove (12) is arranged in one end of the metal framework (1) below the main sealing body (21), the interior of the mounting groove (12) is movably connected with a dust lip (3), one end of the dust lip (3) extends to the exterior of the mounting groove (12) and is contacted with the lower end of the sealing washer (11), the dustproof lip (3) and the lower end face connected with the mounting groove (12) are provided with a plurality of clamping grooves (31).

2. The vehicle dustproof oil seal according to claim 1, wherein a plurality of groups of spiral backflow grooves (211) are symmetrically formed on the outer end surface of the bent part of the main sealing body (21).

3. The vehicle dustproof oil seal according to claim 1, wherein the sealing washer (11) is made of polytetrafluoroethylene.

4. The vehicle dustproof oil seal according to claim 1, wherein a through hole (22) is formed in the lower end face of the rubber body (2), an insert rod (4) is movably connected in the through hole (22), the insert rod (4) penetrates through the rubber body (2) and extends into the mounting groove (12), and the insert rod (4) is connected with the clamping groove (31).

5. The vehicle dustproof oil seal according to claim 4, wherein a limiting block (221) is symmetrically fixed on the inner wall of the lower end of the through hole (22), a clamping seat (41) is fixed on the part of the outer surface of the inserted rod (4) located in the through hole (22), a spring (42) is sleeved on the outer surface of the inserted rod (4), and two ends of the spring (42) are respectively fixedly connected with the limiting block (221) and the clamping seat (41).

6. The vehicle dust-proof oil seal according to claim 4, characterized in that the lower end of the insert rod (4) extends out of the through hole (22) and is fixed with a pulling plate (43).