CN216925901U - Vacuum degree detection device of automobile brake vacuum boosting system - Google Patents
Vacuum degree detection device of automobile brake vacuum boosting system Download PDFInfo
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- CN216925901U CN216925901U CN202123386327.1U CN202123386327U CN216925901U CN 216925901 U CN216925901 U CN 216925901U CN 202123386327 U CN202123386327 U CN 202123386327U CN 216925901 U CN216925901 U CN 216925901U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model discloses a vacuum degree detection device of an automobile brake vacuum boosting system, which comprises: the vacuum booster is connected with a first port of a three-way pipe A through a first connecting pipe; the air inlet manifold is connected with the second port of the three-way pipe A through a second connecting pipe; the three-way pipe A is movably connected with a third port of the three-way pipe A, the other end of the three-way pipe B is movably connected with a first port of the three-way pipe B, a sealing plug is detachably arranged in the three-way pipe A close to the third port of the three-way pipe A, a first vent hole for communicating the three-way pipe A with the three-way pipe B is formed in the sealing plug, a blocking piece is arranged in the communication control pipe, and when the communication control pipe moves to the direction of the three-way pipe A to the limit, the first vent hole is blocked by the blocking piece; the vacuum pump is connected with the second port of the three-way pipe B; and the vacuum meter is connected with the third port of the tee pipe B. The utility model has convenient use and strong practicability.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to a vacuum degree detection device of an automobile brake vacuum boosting system.
Background
For vacuum assisted systems, vacuum is typically available from the intake manifold of the engine, however, the vacuum provided by the intake manifold is often insufficient, and to ensure that the vacuum booster has sufficient vacuum, a vacuum pump is typically utilized to provide vacuum to the vacuum booster or to assist in providing vacuum. The current vacuum degree to vacuum booster detects and utilizes pressure sensor usually, and this pressure sensor installs on the vacuum booster casing, and this kind of mode needs to improve vacuum booster's structure, and trompil is with installation pressure sensor on vacuum booster's casing, and trompil machining precision requires highly, otherwise causes the poor problem of vacuum booster gas tightness very easily, has increased the processing degree of difficulty undoubtedly.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
Still another object of the present invention is to provide a vacuum degree detecting apparatus for a brake vacuum booster system of an automobile, which connects a vacuum gauge and a vacuum pump by providing a plurality of tee pipes and connecting pipes communicated with the connecting pipes between the vacuum booster and the connecting pipes of the intake manifold, so as to achieve the purpose of detecting and adjusting the vacuum degree in the vacuum booster without changing the structure of the vacuum booster.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, a vacuum level detecting apparatus for a brake vacuum assist system of an automobile is provided, comprising:
the vacuum booster is connected with a first port of a three-way pipe A through a first connecting pipe;
the air inlet manifold is connected with the second port of the three-way pipe A through a second connecting pipe;
the three-way pipe A is internally provided with a sealing plug which is detachably arranged close to the third port, a first vent hole for communicating the three-way pipe A with the three-way pipe B is arranged on the sealing plug, a blocking piece is arranged in the communication control pipe, and when the communication control pipe moves to the direction of the three-way pipe A to the limit, the blocking piece blocks the first vent hole;
the vacuum pump is connected with the second port of the three-way pipe B;
a vacuum gauge connected to the third port of the tee B.
Preferably, in the vacuum degree detection device of the automobile brake vacuum boosting system, a limit ring is arranged in the three-way pipe A, the limit ring is positioned on one side of the sealing plug, which is far away from the third port of the three-way pipe A, and a middle hole of the limit ring is communicated with the first vent hole.
Preferably, in the vacuum degree detection device of the automobile brake vacuum boosting system, the communication control pipe comprises a communication inner pipe and a communication outer pipe, the communication outer pipe is movably sleeved outside the third port of the three-way pipe a, the communication inner pipe is located in the third port of the three-way pipe a, and one end of the communication inner pipe, which is close to the third port of the three-way pipe a, is connected with the communication outer pipe through a connecting ring, so that a ventilation space is formed between the pipe wall of the communication inner pipe and the pipe wall of the third port of the three-way pipe a, a second ventilation hole is formed in the pipe wall of the communication inner pipe, the end of the communication inner pipe, which is far away from the third port of the three-way pipe a, is provided with the plugging member, and the first port of the three-way pipe B is movably inserted in the communication inner pipe, and the insertion depth of the first port of the three-way pipe B is not more than the second ventilation hole.
Preferably, in the vacuum degree detection device of the automobile brake vacuum boosting system, the sealing plug is cylindrical, the first vent hole is located in the middle of the sealing plug, the blocking piece is a sealing plate connected with one end, away from the third port of the three-way pipe a, of the communicating inner pipe, the sealing plate is parallel to the surface of the sealing plug, and the sealing plug is located between the sealing plate and the limiting ring.
Preferably, in the vacuum degree detection device of the automobile brake vacuum boosting system, a limit block is arranged in the communicating inner pipe and is positioned between the second vent hole and the first port of the three-way pipe B.
Preferably, in the vacuum degree detection device of the automobile brake vacuum boosting system, the third port of the three-way pipe A is movably connected with the communicating outer pipe, and the first port of the three-way pipe B is movably connected with the communicating inner pipe through a threaded structure.
Preferably, in the vacuum degree detection device of the automobile brake vacuum boosting system, a check valve is arranged between the second port of the three-way pipe B and the vacuum pump.
The utility model at least comprises the following beneficial effects: the utility model is convenient to use and has strong practicability; the sealing plug is detachably arranged in the third port of the three-way pipe A and is detachably provided, so that the sealing plug is convenient to maintain and replace; according to the vacuum booster, the vacuum booster and the air inlet manifold are connected with the vacuum meter and the vacuum pump through the plurality of three-way pipes and the connecting pipes which are mutually communicated, so that the vacuum degree of the vacuum booster can be accurately measured through the vacuum meter, and the vacuum degree in the vacuum booster can be adjusted through the vacuum pump; according to the vacuum booster, the communication control pipe is movably connected with the third port of the three-way pipe A and the first port of the three-way pipe B, the sealing piece is arranged in the communication control pipe, and the first vent hole of the sealing plug in the third port of the three-way pipe A can be sealed or opened by moving the position of the communication control pipe, so that the transmission of air pressure in the vacuum booster and the entering of outside air can be conveniently controlled.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic structural diagram of a vacuum degree detection device of an automobile brake vacuum boosting system according to one embodiment of the present invention;
FIG. 2 is a schematic view of a communication control pipe according to one embodiment of the present invention;
the device comprises an air inlet manifold 1, a second connecting pipe 2, a three-way pipe A3, a first connecting pipe 4, a vacuum booster 5, a communication control pipe 6, a vacuum meter 7, a three-way pipe B8, a one-way valve 9, a vacuum pump 10, a limiting ring 11, a sealing plug 12, a communication outer pipe 13, a sealing piece 14, a limiting block 15, a communication inner pipe 16, a connecting ring 17, a second vent hole 18, a vent space 19, a first vent hole 20 and a middle hole 21.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations and positional relationships based on the orientation shown in the drawings, are only used for convenience in describing and simplifying the present invention, and do not indicate or imply that the vacuum level detection device or element of the vehicle brake vacuum assist system referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In one of the technical solutions, as shown in fig. 1 and 2, the present invention provides a vacuum degree detection device for an automobile brake vacuum boosting system, including:
a vacuum booster 5 connected to a first port of a tee pipe a3 through a first connecting pipe 4;
an intake manifold 1 connected to the second port of the tee pipe a3 via a second connecting pipe 2;
a communication control pipe 6, one end of which is movably connected with the third port of the tee pipe A3, the other end of which is movably connected with the first port of a tee pipe B8, a sealing plug 12 is detachably arranged in the tee pipe A3 close to the third port thereof, a first vent hole 20 which is communicated with the tee pipe A3 and the tee pipe B8 is arranged on the sealing plug 12, a plugging piece 14 is arranged in the communication control pipe 6, and when the communication control pipe 6 moves to the direction of the tee pipe A3 to the maximum, the plugging piece 14 plugs the first vent hole 20;
a vacuum pump 10 connected to the second port of the tee B8;
The vacuum degree detection device of the automobile brake vacuum boosting system comprises a vacuum booster 5, an air inlet manifold 1, a communication control pipe 6, a vacuum pump 10, a vacuum meter 7, a three-way pipe A3 and a three-way pipe B8, wherein the vacuum booster 5 is connected with a first port of a three-way pipe A3 through a first connecting pipe 4, a second port of the three-way pipe A3 is connected with the air inlet manifold 1 through a second connecting pipe 2, a third port of the three-way pipe A3 is movably connected with one end of the communication control pipe 6, the other end of the communication control pipe 6 is movably connected with a first port of a three-way pipe B8, a second port of the three-way pipe B8 is connected with the vacuum pump 10, the vacuum pump is communicated with a power supply through an electric connecting line, and a third port of the three-way pipe B8 is connected with the vacuum meter 7, namely the vacuum pump 10, the vacuum meter 7, the vacuum booster 5 and the air inlet manifold 1 are all communicable; a sealing plug 12 is detachably arranged in a third port in the three-way pipe A3, a first vent hole 20 for communicating the three-way pipe A3 with the three-way pipe B8 is arranged on the sealing plug 12, a blocking piece 14 is arranged in the communication control pipe 6, when the communication control pipe 6 moves to the direction of the three-way pipe A3 to the limit, the first vent hole 20 is blocked by the blocking piece 14, when measurement is not needed or maintenance and debugging are needed on the vacuum gauge 7 and the vacuum pump 10, the position of the communication control pipe 6 can be adjusted to enable the blocking piece 14 to block the first vent hole 20, and the vacuum booster 5 is prevented from leaking air and losing vacuum.
The working principle of the vacuum degree detection device of the automobile brake vacuum boosting system provided by the technical scheme is as follows: when the vacuum degree in the vacuum booster 5 does not need to be detected, the communication control pipe 6 is moved towards the direction of the three-way pipe A3 to enable the blocking piece 14 to block the first vent hole 20, and the vacuum booster 5 keeps a vacuum state without air leakage; when the vacuum degree of the vacuum booster 5 needs to be detected, the communication control pipe 6 is moved towards the direction of the three-way pipe B8, the blocking piece 14 is enabled to remove blocking of the first vent hole 20, at the moment, air pressure in the vacuum booster 5 passes through the first connecting pipe 4, the three-way pipe A3, the first vent hole 20 of the sealing plug 12, the communication control pipe 6 and the three-way pipe B8 and is transmitted to the vacuum meter 7, so that the vacuum meter 7 detects the vacuum degree in the vacuum booster 5 and is transmitted to the vacuum pump 10 at the same time, and when the vacuum meter 7 detects that the vacuum degree is unqualified, the vacuum pump 10 is opened to extract air, so that the vacuum degree of the vacuum booster 5 is increased.
The utility model at least comprises the following beneficial effects: the sealing plug is detachably arranged in the third port of the three-way pipe A and is detachably provided, so that the sealing plug is convenient to maintain and replace; according to the vacuum booster, the vacuum booster and the air inlet manifold are connected with the vacuum meter and the vacuum pump through the plurality of three-way pipes and the connecting pipes which are mutually communicated, so that the vacuum degree of the vacuum booster can be accurately measured through the vacuum meter, and the vacuum degree in the vacuum booster can be adjusted through the vacuum pump; according to the vacuum booster, the communication control pipe is movably connected with the third port of the three-way pipe A and the first port of the three-way pipe B, the sealing piece is arranged in the communication control pipe, and the first vent hole of the sealing plug in the third port of the three-way pipe A can be sealed or opened by moving the position of the communication control pipe, so that the transmission of air pressure in the vacuum booster and the entering of outside air can be conveniently controlled.
In another technical solution, as shown in fig. 1 and 2, in the vacuum degree detection device of the automobile brake vacuum boosting system, a limiting ring 11 is arranged in the three-way pipe A3, the limiting ring 11 is located on one side of the sealing plug 12 away from the third port of the three-way pipe A3, and a middle hole 21 of the limiting ring 11 is communicated with the first vent hole 20. The limiting ring is used for limiting the position of the sealing plug, the control pipe is prevented from moving and communicating in the direction of the three-way pipe A, and when the plugging piece plugs the first vent hole of the sealing plug, the plugging piece applies too much pressure to the sealing plug, so that the sealing plug moves.
In another technical solution, as shown in fig. 1 and 2, in the vacuum degree detection device of the automobile brake vacuum boosting system, the communication control pipe 6 comprises a communication inner pipe 16 and a communication outer pipe 13, the communication outer pipe 13 is movably sleeved outside the third port of the three-way pipe A3, the communication inner pipe 16 is positioned in the third port of the three-way pipe A3, and one end of the connecting pipe close to the third port of the tee A3 is connected with the communicating outer pipe 13 through a connecting ring 17, so that a ventilating space 19 is formed between the pipe wall of the communicating inner pipe 16 and the pipe wall of the third port of the tee A3, a second vent hole 18 is arranged on the pipe wall of the communication inner pipe 16, the end of the communication inner pipe 16 far away from the third port of the three-way pipe A3 is provided with the plugging piece 14, the first port of the tee pipe B8 is movably inserted in the communication inner pipe 16 and the insertion depth of the tee pipe B8 does not exceed the second vent hole 18. When the communication control pipe is moved towards the direction of the three-way pipe B to open the first vent hole, a gap communicated with the vent space is formed between the plugging piece and the sealing plug, at the moment, the vacuum booster is communicated with the first connecting pipe, the three-way pipe A, the first vent hole, the gap between the plugging piece and the sealing plug, the vent space, the second vent hole, the communication inner pipe and the three-way pipe B, and the vacuum meter tests the vacuum degree of the three-way pipe B, namely the vacuum degree in the vacuum booster; the connecting control pipe is moved in the direction of the three-way pipe A to enable the plugging piece to close the first vent hole, so that the connecting relation between the vacuum booster and the three-way pipe B can be isolated, and the vacuum degree of the vacuum booster is not influenced when the vacuum meter and the vacuum pump connected with the three-way pipe B are operated.
In another technical solution, as shown in fig. 2, in the vacuum degree detection device for the automobile brake vacuum boosting system, the sealing plug 12 is cylindrical, the first vent hole 20 is located in the middle of the sealing plug 12, the blocking piece 14 is a sealing plate connected to one end of the communicating inner tube 16, which is far away from the third port of the three-way pipe a3, the sealing plate is parallel to the surface of the sealing plug 12, and the sealing plug 12 is located between the sealing plate and the limit ring 11. The sealing plate is parallel to the surface of the sealing plug so that the sealing plate can move to contact with the sealing plug to block the first vent hole. The sealing plug may be a resilient rubber plug.
In another technical scheme, as shown in fig. 2, in the vacuum degree detection device of the automobile brake vacuum boosting system, a limit block 15 is arranged in the communicating inner tube 16, and the limit block 15 is located between the second vent hole 18 and the first port of the three-way pipe B8. The limiting hole is used for limiting the position of the communication control pipe relative to the first port of the three-way pipe B when moving, and the side wall of the first port of the three-way pipe B is prevented from plugging the second vent pipe.
In another technical scheme, in the vacuum degree detection device of the automobile brake vacuum boosting system, the third port of the three-way pipe A and the communicating outer pipe, and the first port of the three-way pipe B and the communicating inner pipe are movably connected through a threaded structure. External threads are arranged on the outer pipe wall of the third port of the three-way pipe A and the outer pipe wall of the first port of the three-way pipe B respectively, the three-way pipe A is communicated with the inner pipe wall of the inner pipe, internal threads corresponding to the external threads are arranged on the inner pipe wall of the outer pipe, and the internal threads and the external threads are matched with each other, so that the third port of the three-way pipe A and the outer pipe are movably and detachably connected, and the first port of the three-way pipe B and the inner pipe are movably and detachably connected; the threaded structure is connected stably and moves the precision height.
In another technical solution, as shown in fig. 1, in the vacuum degree detection device of the vacuum boosting system for automobile braking, a check valve 9 is arranged between the second port of the three-way pipe B8 and the vacuum pump. The check valve makes the air in the pipe only move towards the vacuum pump direction, so as to prevent the air from entering the pipe indirectly and entering the vacuum booster when the vacuum pump is damaged, and the vacuum degree is not influenced.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. Vacuum detection device of car braking vacuum servo system, its characterized in that includes:
the vacuum booster is connected with a first port of a three-way pipe A through a first connecting pipe;
the air inlet manifold is connected with the second port of the three-way pipe A through a second connecting pipe;
the three-way pipe A is internally provided with a sealing plug which is detachably arranged close to the third port, a first vent hole for communicating the three-way pipe A with the three-way pipe B is arranged on the sealing plug, a blocking piece is arranged in the communication control pipe, and when the communication control pipe moves to the direction of the three-way pipe A to the limit, the blocking piece blocks the first vent hole;
the vacuum pump is connected with the second port of the three-way pipe B;
a vacuum gauge connected to the third port of the tee B.
2. The vacuum degree detection device of the automobile brake vacuum boosting system according to claim 1, wherein a limiting ring is arranged in the three-way pipe A, the limiting ring is positioned on one side of the sealing plug away from the third port of the three-way pipe A, and a middle hole of the limiting ring is communicated with the first vent hole.
3. The vacuum degree detection device of the automobile brake vacuum boosting system according to claim 2, wherein the communication control tube comprises an inner communication tube and an outer communication tube, the outer communication tube is movably sleeved outside the third port of the three-way tube a, the inner communication tube is located in the third port of the three-way tube a, and one end of the inner communication tube close to the third port of the three-way tube a is connected with the outer communication tube through a connecting ring, so that a ventilation space is formed between the tube wall of the inner communication tube and the tube wall of the third port of the three-way tube a, a second ventilation hole is formed in the tube wall of the inner communication tube, the end of the inner communication tube far away from the third port of the three-way tube a is provided with the plugging member, and the first port of the three-way tube B is movably inserted into the inner communication tube, and the insertion depth of the first port of the three-way tube B is not more than the second ventilation hole.
4. The vacuum degree detection device of the automobile brake vacuum boosting system according to claim 3, wherein the sealing plug is cylindrical, the first vent hole is located in the middle of the sealing plug, the blocking piece is a sealing plate connected with one end of the communication inner pipe, which is far away from the third port of the three-way pipe A, the sealing plate is parallel to the surface of the sealing plug, and the sealing plug is located between the sealing plate and the limiting ring.
5. The vacuum degree detection device of the automobile brake vacuum boosting system according to claim 3, wherein a limit block is arranged in the communication inner tube and is positioned between the second vent hole and the first port of the three-way pipe B.
6. The vacuum degree detection device of the automobile brake vacuum boosting system according to claim 3, wherein the third port of the tee pipe A and the communication outer pipe, and the first port of the tee pipe B and the communication inner pipe are movably connected through a threaded structure.
7. The vacuum degree detection device of the automobile brake vacuum boosting system according to claim 1, wherein a check valve is arranged between the second port of the three-way pipe B and the vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123386327.1U CN216925901U (en) | 2021-12-31 | 2021-12-31 | Vacuum degree detection device of automobile brake vacuum boosting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123386327.1U CN216925901U (en) | 2021-12-31 | 2021-12-31 | Vacuum degree detection device of automobile brake vacuum boosting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216925901U true CN216925901U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123386327.1U Active CN216925901U (en) | 2021-12-31 | 2021-12-31 | Vacuum degree detection device of automobile brake vacuum boosting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216925901U (en) |
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2021
- 2021-12-31 CN CN202123386327.1U patent/CN216925901U/en active Active
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Address after: 100142 16 / F, century Yuhui building, 73 Fucheng Road, Haidian District, Beijing Patentee after: SGS-CSTC STANDARDS TECHNICAL SERVICES Co.,Ltd. Address before: 100142 17th floor, century Yuhui building, 73 Fucheng Road, Haidian District, Beijing Patentee before: SGS-CSTC STANDARDS TECHNICAL SERVICES Co.,Ltd. |