CN211435843U

CN211435843U - Leak-proof oil cup for hydraulic system

Info

Publication number: CN211435843U
Application number: CN201921999465.7U
Authority: CN
Inventors: 张志平
Original assignee: CHANGZHOU WUJIN DONGFENG AUTO PARTS CO LTD
Current assignee: CHANGZHOU WUJIN DONGFENG AUTO PARTS CO LTD
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-08
Anticipated expiration: 2029-11-19

Abstract

The utility model relates to a hydraulic system is with leak protection oil cup, including oil cup lid and cup, the cup includes oil inlet and oil-out, the oil cup lid is with the oil inlet threaded connection of cup, the oil cup lid inboard is provided with endocentric annular retaining ring, be provided with the gasbag sealing ring between annular retaining ring and the oil cup lid inside wall, inside cavity of gasbag sealing ring and packing have gas. The utility model discloses a predominant use provides a design benefit, and simple structure is reasonable, and sealed effect is showing, and reliable and stable, low in manufacturing cost's leak protection oil cup for hydraulic system.

Description

Leak-proof oil cup for hydraulic system

Technical Field

The utility model relates to an oil cup especially relates to a leak protection oil cup for hydraulic system.

Background

The hydraulic system of the automobile adopts brake oil as a working medium, and utilizes the incompressibility of the liquid to generate brake driving force to enable a brake part to act, thereby achieving the aim of braking the automobile. Hydraulic oil loss can occur in the long-term use process of the hydraulic system, and in the past, the hydraulic system is easy to have excessive wear and even damage due to oil shortage. Therefore, the hydraulic system is generally provided with an oil cup which is fixed on the main pump cylinder body so as to be convenient for rapidly supplementing oil for the hydraulic system, but jolting in the driving process of the automobile easily causes the oil to leak to the outside, corrodes other parts and even has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a design benefit, simple and reasonable structure, sealed effect is showing, and reliable and stable, low in manufacturing cost is leak protection oil cup for hydraulic system.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model provides a leak protection oil cup for hydraulic system, includes oil cup lid and cup, the cup includes oil inlet and oil-out, the oil cup lid is connected with the oil inlet threaded connection of cup, the oil cup lid inboard is provided with endocentric annular retaining ring, be provided with the gasbag sealing ring between annular retaining ring and the oil cup lid inside wall, the inside cavity of gasbag sealing ring just is filled with gas.

Further, the gasbag sealing ring includes the gasket portion, connecting portion and the sealing of mutual intercommunication, the gasket portion is fixed in the inside wall of oil cup lid, the sealing is fixed in the bottom that is close to one side of oil cup lid inside wall on the annular retaining ring, connecting portion are located between gasket portion and the sealing and communicate with gasket portion, sealing respectively.

Further, the cross section structure of the sealing part of the air bag sealing ring is a wavy structure.

Further, still include agitating unit, agitating unit includes drive arrangement, puddler and stirring vane, drive arrangement sets up in the outside top of cup, puddler one end and drive arrangement control connection, the other end stretch into the inboard lower part of cup, stirring vane links firmly in the puddler bottom and along the circumference evenly distributed of puddler.

Compared with the prior art, the beneficial effects of the utility model reside in that: the structure of the oil cup cover is skillfully improved, so that the oil cup cover has more remarkable sealing effect, and the oil is prevented from leaking to the outside through a gap between the oil cup cover and the cup body in the bumping process of the automobile; the structure is simple and reasonable, the sealing is stable and reliable, and the manufacturing cost is low; simultaneously still set up agitating unit to prevent at the in-service use in-process, because fluid is stored for a long time and is changed often not in the oil cup, lead to the viscosity grow, mobility descends, influences hydraulic system's sensitivity, the normal use of better assurance oil cup.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the oil cup cover of the present invention;

wherein, 1, the oil cup cover; 11. an annular retainer ring; 2. an air bag sealing ring; 21. a gasket portion; 22. a connecting portion; 23. a sealing part; 3. a cup body; 31. an oil outlet; 4. a stirring device; 41. a stirring rod; 42. a stirring blade.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in the description of the technical solutions of the present invention, some directional words, such as "front", "rear", "upper", "lower", "top", "bottom", "inner", "outer", etc., used for clearly describing the technical features of the present invention are all in terms of the orientation of the drawings of the present invention.

Examples

As shown in fig. 1 and fig. 2, the leakage-proof oil cup for the hydraulic system of the embodiment includes an oil cup cover 1 and a cup body 3, the cup body 3 includes an oil inlet and an oil outlet 31, the oil inlet is located at the top end of the cup body 3, the oil outlet 31 is located at the bottom end of the cup body 3, and the oil outlet 31 is communicated with a pump body master cylinder of the automobile hydraulic system, so as to supplement the lost oil in time and rapidly, and ensure the normal operation of the automobile hydraulic system. The oil inlet outside is provided with the external screw thread, be provided with on the 1 inside wall of oil cup lid with above-mentioned external screw thread matched with internal thread, oil cup lid 1 passes through screw-thread fit with the oil inlet of cup 3 and is connected, 1 inboard concentric annular retaining ring 11 that is provided with of oil cup lid, the distance between the inboard wall of annular retaining ring 11 and oil cup lid 1 is greater than the lateral wall thickness of oil inlet, be provided with gasbag sealing ring 2 between annular retaining ring 11 and the 1 inside wall of oil cup lid, 2 inside hollows of gasbag sealing ring just fill. Specifically, the cross-sectional structure of the airbag sealing ring 2 in this embodiment is an L-shaped structure, and the airbag sealing ring 2 is made of butyl rubber, and mainly includes a gasket portion 21, a connecting portion 22 and a sealing portion 23 that are communicated with each other, the gasket portion 21 is fixed on the inner side wall of the oil cup cover 1, the sealing portion 23 is fixed on the bottom of the annular retainer ring 11 on the side close to the inner side wall of the oil cup cover 1, and the connecting portion 22 is located between the gasket portion 21 and the sealing portion 23 and is respectively communicated with the gasket portion 21 and the sealing portion 23; meanwhile, in order to achieve a better sealing effect, the cross-sectional structure of the sealing portion 23 of the airbag sealing ring 2 is a wave-shaped structure, and preferably, each wave crest of the wave-shaped structure is set to be a corrugated structure or a W-shaped structure; with the structure, when the oil cup cover 1 and the cup body 3 are in a separated state, the gas of the air bag sealing ring 2 is in an initial state (as shown in fig. 2), and the sealing part 23 is not filled with the gas; when oil cup lid 1 and 3 screw threads of cup connect soon, the top of oil inlet compresses tightly gasbag sealing ring 2's gasket portion 21 gradually, make the inside gas of gasket portion 21 extruded go out and get into sealing portion 23 through connecting portion 22, it is full of sealing portion 23 until the spiral is accomplished and gas, the 23 fold of sealing portion after gas is full of expands completely and opens, the horizontal size increase of cross-section fills completely the clearance between annular retaining ring 11 and the oil inlet inside wall and seals, adopt wavy structure to realize the multilayer seal, can improve sealed effect greatly, reliability and stability are improved.

This embodiment still includes agitating unit 4, agitating unit 4 includes drive arrangement, puddler 41 and stirring vane 42, drive arrangement sets up in the outside top of cup 3, puddler 41 one end and drive arrangement control connection, the other end stretches into the 3 inboard lower parts of cup, stirring vane 42 links firmly in puddler 41 bottom and along puddler 41's circumference evenly distributed, stirring vane 42 is the sheet structure, and be 45 degrees angle slope settings with the horizontal direction, so that reduce the resistance, more smooth and easy stirring.

The utility model discloses a leak protection oil cup for hydraulic system, the ingenious structure that improves oil cup lid 1 makes it have more apparent sealed effect, avoids the oil cup in the automobile jolt process, the fluid leaks to the outside through the clearance between oil cup lid 1 and the cup 3; the structure is simple and reasonable, the sealing is stable and reliable, and the manufacturing cost is low; still set up agitating unit 4 simultaneously to prevent at the in-service use in-process, because fluid long-term storage is changed often not in the oil cup, lead to the viscosity grow, mobility descends, influences hydraulic system's sensitivity, the normal use of better assurance oil cup, the practicality is high, is worth extensively utilizing widely.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The utility model provides a leak protection oil cup for hydraulic system which characterized in that: including oil cup lid (1) and cup (3), cup (3) include oil inlet and oil-out (31), the oil cup lid (1) is connected with the oil inlet screw thread of cup (3), oil cup lid (1) inboard is provided with endocentric annular retaining ring (11), be provided with gasbag sealing ring (2) between annular retaining ring (11) and oil cup lid (1) inside wall, gasbag sealing ring (2) inside cavity just is filled with gas.

2. The leak-proof oil cup for the hydraulic system according to claim 1, wherein: gasbag sealing ring (2) are including gasket portion (21), connecting portion (22) and the sealing portion (23) that communicate each other, gasket portion (21) are fixed in the inside wall of oil cup lid (1), sealing portion (23) are fixed in the bottom of being close to one side of oil cup lid (1) inside wall on annular retaining ring (11), connecting portion (22) are located between gasket portion (21) and the sealing portion (23) and are linked together with gasket portion (21), sealing portion (23) respectively.

3. The leak-proof oil cup for the hydraulic system according to claim 2, wherein: the cross section structure of the sealing part (23) of the air bag sealing ring (2) is a wavy structure.

4. The leak-proof oil cup for the hydraulic system according to claim 1 or 3, wherein: still include agitating unit (4), agitating unit (4) include drive arrangement, puddler (41) and stirring vane (42), drive arrangement sets up in the outside top of cup (3), puddler (41) one end and drive arrangement control connection, the other end stretch into the lower part of cup (3) inboard, stirring vane (42) link firmly in puddler (41) bottom and along the circumference evenly distributed of puddler (41).