CN216044666U

CN216044666U - Connecting tool for discharging brake fluid and system with same

Info

Publication number: CN216044666U
Application number: CN202121604666.XU
Authority: CN
Inventors: 孟祥昆; 王建华
Original assignee: FAW Volkswagen Automotive Co Ltd
Current assignee: FAW Volkswagen Automotive Co Ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-03-15
Anticipated expiration: 2031-07-15

Abstract

A connecting tool for brake fluid discharge and a system having the same, comprising: a body having an airflow chamber; the air inlet part is tightly connected with the first end of the body, the interior of the air inlet part is communicated with the airflow cavity, and the air inlet part is used for being connected with an air source; the air supply piece is tightly connected with the second end of the body, the interior of the air supply piece is communicated with the interior of the air supply piece through the airflow cavity, and the air supply piece is used for being connected with a brake fluid tank.

Description

Connecting tool for discharging brake fluid and system with same

Technical Field

The application relates to the technical field of brake fluid discharging equipment, in particular to a connecting tool for discharging brake fluid and a system with the connecting tool.

Background

Before and after the test of a test vehicle, a vacuum booster, an ESC, a brake oil pipe and the like need to be replaced and disassembled according to test requirements, and the work of discharging brake fluid is involved. Traditional method of discharging brake fluid, only open the escape orifice on the brake caliper, the manual work is stepped on brake pedal repeatedly, can discharge the brake fluid most for a long time, waste time and energy, and discharge unclean, remaining brake fluid can flow out at any time when changing relevant test piece, because of it has corrosivity, it is fast to flow the lane line very easily, cause the damage on the plug, also difficult exempting can flow ground and be stained with on hand in addition, cause personnel because of the ground slip carelessly fall down and the discomfort of hand, and this instrument can reduce the emergence of this kind of thing by a wide margin, improve work efficiency when weakening work risk. In order to discharge the brake fluid rapidly, efficiently and neatly and improve the working efficiency, the brake fluid discharging device needs to be improved.

SUMMERY OF THE UTILITY MODEL

To solve at least one aspect of the above problems, the present invention provides a coupling tool for brake fluid discharge, comprising: a body having an airflow chamber; the air inlet part is tightly connected with the first end of the body, the interior of the air inlet part is communicated with the airflow cavity, and the air inlet part is used for being connected with an air source; the air supply piece is tightly connected with the second end of the body, the interior of the air supply piece is communicated with the interior of the air supply piece through the airflow cavity, and the air supply piece is used for tightly connecting a brake fluid tank.

Preferably, the air feeding member has a sealing portion for tightly connecting the air feeding member and the brake fluid tank.

Preferably, the air supply piece adopts a sleeve structure, the sleeve structure is sleeved with an opening of the brake fluid tank, and the sealing part is a thread arranged on the inner wall of the sleeve.

Preferably, an air outlet through hole is formed in the top of the sleeve structure of the air supply piece, and the body is located at the air outlet through hole and tightly connected with the air supply piece.

Preferably, the sealing device further comprises a sealing piece fixedly arranged at the joint of the first end of the body and the air sending piece and used for sealing and connecting the body and the air sending piece.

Preferably, the outer wall of the air sending member has a non-slip portion.

Preferably, the antiskid portion is a plurality of grooves formed in the outer wall of the air sending piece, and the grooves are uniformly distributed in the outer wall of the air sending piece.

Preferably, the air inlet part is of a cylindrical tubular structure, and the bottom end of the air inlet part is tightly connected with the body.

Preferably, the air inlet and the body are of an integrally formed structure.

In another aspect, the present invention provides a system comprising a gas source, a gas delivery conduit through which the gas source is connected to a connection tool, the connection tool employing a connection tool as described in any of the preceding.

The connecting tool for discharging the brake fluid and the system with the same have the following beneficial effects:

(1) the connecting part for the air source is provided through the air inlet part, the connecting part for the brake fluid tank is provided through the air inlet part, the sealing connection of the brake fluid tank and the air source is realized through the connecting tool, and therefore the brake fluid in the brake fluid tank is discharged by adopting air pressure.

(2) The tightness of the connecting tool is improved by arranging the tightening piece; the friction resistance is increased by the antiskid part of the air feeding piece, and the air feeding piece and the brake fluid tank are connected.

Drawings

For a better understanding of the above and other objects, features, advantages and functions of the present invention, reference should be made to the embodiments illustrated in the drawings. Like reference numerals in the drawings refer to like parts. It will be appreciated by persons skilled in the art that the drawings are intended to illustrate preferred embodiments of the utility model without any limiting effect on the scope of the utility model, and that the various components in the drawings are not drawn to scale.

Fig. 1 is a block diagram showing a construction of a connection tool for brake fluid discharge according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating an application scenario of a connection tool for brake fluid discharge according to an embodiment of the present invention.

Description of reference numerals:

10. a body; 20. an air intake member; 30. a gas delivery member; 31. an anti-slip portion; 40. a fastener; 50. a gas source; 60. An air supply duct; 70. brake fluid reservoir.

Detailed Description

Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, in which various details of the embodiments of the disclosure are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

The term "include" and variations thereof as used herein is meant to be inclusive in an open-ended manner, i.e., "including but not limited to". Unless specifically stated otherwise, the term "or" means "and/or". The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like may refer to different or the same object. Other explicit and implicit definitions are also possible below.

To at least partially address one or more of the above issues and other potential issues, one embodiment of the present disclosure proposes a connecting tool for brake fluid discharge, including a body 10, an air inlet member 20, an air inlet member 30, the body 10 having an air flow chamber; the air inlet 20 is tightly connected with the first end of the body 10, the interior of the air inlet 20 is communicated with the airflow cavity, and the air inlet 20 is used for connecting an air source; the air feeding member 30 is closely coupled to the second end of the body 10, the interior of the air feeding member 30 communicates with the interior of the air feeding member 20 through the airflow chamber, and the air feeding member 30 is used for closely coupling the brake fluid tank.

Specifically, as shown in fig. 1, the body 10 is a tubular housing structure, and an airflow chamber is disposed inside the housing, the airflow chamber has an inlet and an outlet, the inlet is disposed at a first end of the housing, the outlet is disposed at a second end of the housing, and the inlet and the outlet are communicated through the airflow chamber. In other embodiments, the body 10 may be a housing structure of any shape to provide a gas flow chamber for gas circulation. The air inlet member 20 is of a cylindrical shell structure, two ends of the cylindrical shell structure are provided with open interfaces, and two ends of the air inlet member 20 are respectively and tightly connected with the inlet end of the airflow cavity of the body 10. The air supply member 30 is hermetically connected with an opening of the brake fluid tank, so that air of an air source sequentially flows into the brake fluid tank through the air supply member 20, the body 10 and the air supply member 30 to increase the internal pressure of the brake fluid tank, thereby realizing the discharge of the brake fluid therein.

In some embodiments, the air feeding member 30 has a sealing portion for tightly connecting the air feeding member 30 and the brake fluid tank.

Specifically, in the present embodiment, the air supply member 30 is of a sleeve structure, the sleeve structure is sleeved with the opening of the brake fluid tank, and the sealing portion is a thread formed on the inner wall of the sleeve. The sleeve structure comprises a side wall and a bottom surface, wherein a thread structure is arranged on the inner wall of the sleeve, and the tight connection between the connecting tool and the brake fluid reservoir is realized through the thread matching with the outer wall of the brake fluid reservoir. The thread structure of the sealing part is made of a material with certain elasticity, and when the sleeve structure is screwed with the brake fluid reservoir, the sealing connection is realized through the interference fit of the thread structure.

As will be understood by those skilled in the art, in another embodiment, the air feeding member 30 is a cylindrical plug structure, an air feeding hole is formed in the axis of the cylindrical plug structure, the cylindrical plug is a rigid shell structure, a sealing ring is sleeved on the outer wall of the cylindrical plug, the air feeding member 30 is sleeved with the brake fluid tank, and the sealing ring on the outer wall of the cylindrical plug is in interference fit with the inner wall of the brake fluid tank to achieve the sealing connection between the air feeding member 30 and the brake fluid tank.

In some embodiments, the top of the sleeve structure of the plenum 30 is provided with an air outlet through hole, and the body 10 is tightly connected to the plenum 30 at the air outlet through hole.

Specifically, as shown in fig. 1 and 2, the sleeve structure of the air feeder 30 includes a side wall and a top cover, the side wall of the sleeve structure is tightly connected to the side wall of the opening of the brake fluid tank, and the lower surface of the top cover of the sleeve structure abuts against the upper surface of the opening of the brake fluid tank. An air outlet through hole is formed in the middle of the top cover of the sleeve structure, so that the interior of the brake fluid reservoir is communicated with the airflow cavity of the body 10 through the air outlet through hole.

In some embodiments, a sealing member 40 is further included, and the sealing member 40 is fixedly disposed at a junction of the first end of the body 10 and the air supply member 30 for sealing the junction of the body 10 and the air supply member 30.

Specifically, the sealing ring 40 is a sealing ring, and the sealing ring is sleeved at the joint of the first end of the body 10 and the air feeding member 30, so that the air flowing out of the air source is prevented from leaking when flowing to the brake fluid tank through the air flow cavity of the body 10 and the air outlet through hole of the air feeding member 30.

In some embodiments, the outer wall of the air bleed 30 has a slip prevention portion 31.

Specifically, as shown in fig. 1, the sleeve structure of the air supply member 30 is sleeved on the outer wall of the brake fluid tank, the inner wall of the side wall of the sleeve structure is hermetically connected with the brake fluid tank, and the outer wall of the side wall of the sleeve structure is provided with the anti-slip portion 31, so as to increase the frictional resistance during the holding operation and improve the holding stability.

In some embodiments, the anti-slip part 31 is a plurality of grooves opened on the outer wall of the air supply member 30, and the plurality of grooves are uniformly distributed on the outer wall of the air supply member 30. In another embodiment, the anti-slip portion 31 can be an anti-slip sleeve sleeved on the outer wall of the air blowing member 30. Wherein, the outer wall of the antiskid sleeve is provided with a particle antiskid structure, or the outer wall is provided with an antiskid structure with vertical stripes.

In some embodiments, the air intake 20 is a cylindrical tubular structure, and the bottom end of the air intake 20 is tightly connected to the body 10.

Specifically, as shown in fig. 1, the air inlet 20 has open interfaces at both ends for connecting the air supply and the body 10. The bottom end of the air inlet member 20 is hermetically connected to the body 10 to prevent leakage during the gas circulation. In some embodiments, the air inlet 20 and the body 10 are integrally formed to ensure the sealing between the body 10 and the air inlet.

In another aspect, a system having a connection tool for brake fluid discharge is provided, comprising a gas source 50, a gas supply conduit 60 and a connection tool, the gas source 50 being connected to the connection tool through the gas supply conduit 60, the connection tool employing the connection tool as described in any of the preceding.

Specifically, as shown in fig. 2, the gas source 50 is a gas source having a gas propelling function, such as an electric gas pump or a manual gas pump, two ends of the gas supply pipe 60 are respectively connected to the gas source 50 and the top end of the gas inlet member 20 of the connecting tool in a sealing manner, the gas source 50 compresses the gas, so that the gas sequentially passes through the gas supply pipe 50, the gas inlet member 20, the body 10 and the gas inlet member 30 and enters the brake fluid tank 70, and the brake fluid in the brake fluid tank 70 is discharged through the gas pressure.

Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements to the market, or to enable others of ordinary skill in the art to understand the disclosure.

Claims

1. An attachment tool for brake fluid venting, comprising:

a body (10), the body (10) having an airflow chamber;

the air inlet (20), the air inlet (20) is closely connected with the first end of the body (10), the interior of the air inlet (20) is communicated with the airflow cavity, and the air inlet (20) is used for connecting an air source;

the air supply part (30), the air supply part (30) is closely connected with the second end of the body (10), the interior of the air supply part (30) is communicated with the interior of the air supply part (20) through the airflow cavity, and the air supply part (30) is used for closely connecting a brake fluid tank.

2. The connecting tool according to claim 1, wherein the air sending member (30) has a sealing portion for tightly connecting the air sending member (30) and the brake fluid tank.

3. The connecting tool according to claim 2, wherein the air-sending member (30) is of a sleeve structure, the sleeve structure is sleeved with the opening of the brake fluid tank, and the sealing part is a thread formed on the inner wall of the sleeve.

4. The connecting tool according to claim 3, characterized in that the top of the sleeve structure of the gas-sending piece (30) is provided with a gas outlet through hole, and the body (10) is in tight connection with the gas-sending piece (30) at the gas outlet through hole.

5. The connecting tool according to claim 4, further comprising a tightening member (40), wherein the tightening member (40) is fixedly disposed at a connection between the first end of the body (10) and the air mover (30) for sealingly connecting the body (10) and the air mover (30).

6. The connecting tool according to claim 5, characterized in that the outer wall of the air-sending piece (30) has a non-slip part (31).

7. The connecting tool according to claim 6, characterized in that the non-slip part (31) is a plurality of grooves provided on the outer wall of the gas piece (30), which are evenly distributed on the outer wall of the gas piece (30).

8. The connecting tool according to claim 1 or 7, characterized in that the air intake (20) is of cylindrical tubular structure, and the bottom end of the air intake (20) is tightly connected with the body (10).

9. Connecting tool according to claim 8, characterized in that the air inlet (20) and the body (10) are of one-piece construction.

10. A system comprising a gas source (50), a gas supply conduit (60) and a connecting means, wherein the gas source (50) is connected to the connecting means through the gas supply conduit (60), and wherein the connecting means is according to any one of claims 1 to 9.