CN203518975U - Device for measuring vacuum booster master cylinder assembly output displacement - Google Patents
Device for measuring vacuum booster master cylinder assembly output displacement Download PDFInfo
- Publication number
- CN203518975U CN203518975U CN201320678225.3U CN201320678225U CN203518975U CN 203518975 U CN203518975 U CN 203518975U CN 201320678225 U CN201320678225 U CN 201320678225U CN 203518975 U CN203518975 U CN 203518975U
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- Prior art keywords
- master cylinder
- vacuum booster
- piston cylinder
- piston
- end inner
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 71
- 238000005259 measurement Methods 0.000 claims description 50
- 239000012530 fluid Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a device for measuring a vacuum booster master cylinder assembly output displacement. The device comprises a piston cylinder which is provided with a wall which is internally provided with a piston cylinder first end inner cavity, a piston cylinder second end inner cavity and a piston which is connected with the piston cylinder first end inner cavity and the piston cylinder second end inner cavity. The device also comprises a displacement sensor arranged on the piston, a liquid storage tank arranged outside the piston cylinder, a first pipeline which is connected between the piston cylinder first end inner cavity and the liquid storage tank, a second pipeline which is connected between the piston cylinder second end inner cavity and the liquid storage tank, and a third pipeline which is arranged outside the piston cylinder and is connected between the piston cylinder first end inner cavity and the piston cylinder second end inner cavity. The first pipeline is provided with a first valve, the second pipeline is provided with a second valve, and the third pipeline is provided with a third valve. The device has the advantages of simple structure and low cost.
Description
Technical field
The utility model relates to a kind of measurement mechanism of vacuum booster master cylinder assembly output displacement, i.e. a kind of analogue measurement master cylinder assembly.
Background technology
At present, prior art use traffic meter is measured the Fluid Volume of vacuum booster master cylinder output, then, according to the diameter D of master cylinder, obtains output displacement, output displacement=4 (Vp+Vs)/π D
2, wherein, Vp refers to Fluid Volume when master cylinder the first chamber is tested, and Vs refers to Fluid Volume when master cylinder the second chamber is tested, and D is the diameter of master cylinder.
In sum, in prior art, there is following problem: the metering system of existing vacuum booster master cylinder assembly output displacement is indirectly to measure, and need to carry out the conversion of various parameters, measures complexity, and measurement result has error.In addition, existing measurement mechanism adopts flowmeter, and flowmeter and accessory cost thereof are high.
Utility model content
The utility model provides a kind of measurement mechanism of vacuum booster master cylinder assembly output displacement, with the metering system that solves existing vacuum booster master cylinder assembly output displacement not directly, need to carry out the conversion of various parameters, thereby cause measuring complexity, measurement result has the problem of error.
For this reason, the utility model proposes a kind of measurement mechanism of vacuum booster master cylinder assembly output displacement, the measurement mechanism of described vacuum booster master cylinder assembly output displacement comprises:
Piston cylinder, described piston cylinder has wall, in described wall, be provided with: piston cylinder first end inner chamber, piston cylinder the second end inner chamber and be connected to piston cylinder first end inner chamber and piston cylinder the second end inner chamber between piston, and described piston is mobile is arranged between piston cylinder first end inner chamber and piston cylinder the second end inner chamber;
Displacement transducer, is arranged on described piston;
Fluid reservoir, is arranged on outside described piston cylinder;
The first pipeline, is connected between described piston cylinder first end inner chamber and described fluid reservoir;
The second pipeline, is connected between described piston cylinder the second end inner chamber and described fluid reservoir;
The 3rd pipeline, is arranged on outside described piston cylinder, and is connected between piston cylinder first end inner chamber and piston cylinder the second end inner chamber;
Described the first pipeline is provided with the first valve, and described the second pipeline is provided with the second valve, and described the 3rd pipeline is provided with the 3rd valve.
Further, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on the first port on described wall, described piston cylinder first end inner chamber is connected with vacuum booster master cylinder by the first port.
Further, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on the second port on described wall, described piston cylinder the second end inner chamber is connected with caliper by the second port.
Further, described piston is provided with the mounting groove of installation position displacement sensor.
Further, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on the O-ring seal between described piston and described wall.
Further, described the first pipeline and described the second pipeline are plastic piping.
Further, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on outside described piston cylinder, and the receiver being connected by signal with described displacement transducer.
Further, described piston cylinder inner chamber is cylindrical shape.
Further, the internal diameter of described piston cylinder equals the internal diameter of vacuum booster master cylinder to be tested.
Principle of the present utility model is: when driving vacuum booster master cylinder assembly, displacement transducer can be measured the displacement of the piston in piston cylinder.If the diameter of the piston in (analogue measurement master cylinder assembly) piston cylinder equals the internal diameter of master cylinder, the output displacement of vacuum booster master cylinder assembly just equals the displacement of the piston in (analogue measurement master cylinder assembly) piston cylinder.If, the external diameter of the piston in (analogue measurement master cylinder assembly) piston cylinder is not equal to the internal diameter of master cylinder, the internal diameter of the internal diameter x master cylinder of the piston displacement/piston cylinder in the displacement=piston cylinder of the piston of master cylinder, or, the internal diameter of the internal diameter/piston cylinder of the piston displacement x master cylinder in the displacement=piston cylinder of the piston of master cylinder.
The utility model can be measured the output displacement of vacuum booster master cylinder assembly after exhaust completes.
The detailed process of exhaust is: open the first valve, close the second valve and the 3rd valve, drive vacuum booster master cylinder assembly; Before vacuum booster master cylinder assembly discharges, close the first valve; Repeat opening/closing the first valve, until the liquid in the first pipeline no longer includes air or bubble;
Open the second valve and the 3rd valve, close the first valve, drive vacuum booster master cylinder assembly; Before vacuum booster master cylinder assembly discharges, close the second valve; Repeat opening/closing the second valve, until the liquid in the second pipeline no longer includes air or bubble.Now, complete exhaust process.
Complete after exhaust, can measure the displacement of the piston in piston cylinder by displacement transducer.Because there are the words of air in vacuum booster master cylinder assembly or analogue measurement master cylinder assembly, air can be compressed, so, even if input end has displacement, also be only to cause vacuum booster master cylinder assembly or analogue measurement master cylinder assembly inner air pressure to increase, the volume of whole vacuum booster master cylinder assembly inside is without significant change, causes that measurement data is inaccurate even cannot effectively be promoted piston and measure.By exhaust mode, make to measure and can carry out smoothly, and data are accurate.
The utility model is simple and reliable for structure, and cost is low, and measurement data is more direct, accurate.
Accompanying drawing explanation
Fig. 1 is the measuring principle schematic diagram of measurement mechanism of the vacuum booster master cylinder assembly output displacement of the utility model embodiment.
Drawing reference numeral explanation:
1 32 second loops, chamber, analogue measurement master cylinder assembly 3 master cylinder 5 vacuum booster 7 caliper 9 vacuum booster master cylinder assembly 11 piston cylinder 13 fluid reservoir 111 first end inner chamber 112 O-ring seal 113 second end inner chamber 115 piston 117 mounting groove 119 displacement transducer 151 first valve 152 second valve 153 the 3rd valve 161 first pipeline 162 second pipeline 163 the 3rd pipeline 31 first loop, chamber
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing explanation the utility model.
As shown in Figure 1, according to the measurement mechanism of the vacuum booster master cylinder assembly output displacement of the utility model embodiment, also referred to as analogue measurement master cylinder assembly, analogue measurement master cylinder assembly 1 comprises:
The first pipeline 161, is connected between described piston cylinder first end inner chamber 111 and described fluid reservoir 13;
The second pipeline 162, is connected between described piston cylinder the second end inner chamber 113 and described fluid reservoir 13;
The 3rd pipeline 163, is arranged on outside described piston cylinder 11, and is connected between piston cylinder first end inner chamber 111 and piston cylinder the second end inner chamber 113;
Described the first pipeline 161 is provided with the first valve 151, and described the second pipeline 162 is provided with the second valve 152, and described the 3rd pipeline 163 is provided with the 3rd valve 153.
The utility model can be measured the output displacement of vacuum booster master cylinder assembly after infiltration exhaust completes.
The detailed process of exhaust is: open the first valve, close the second valve and the 3rd valve, drive vacuum booster master cylinder assembly; Before vacuum booster master cylinder assembly discharges, close the first valve; Repeat opening/closing the first valve, until the liquid in the first pipeline no longer includes air or bubble;
Open the second valve and the 3rd valve, close the first valve, drive vacuum booster master cylinder assembly; Before vacuum booster master cylinder assembly discharges, close the second valve; Repeat opening/closing the second valve, until the liquid in the second pipeline no longer includes air or bubble.Now, complete exhaust process.
Complete after exhaust, when driving vacuum booster master cylinder assembly, displacement transducer can be measured the displacement of the piston in piston cylinder.If the diameter of the piston in (analogue measurement master cylinder assembly) piston cylinder equals the internal diameter of master cylinder, the output displacement of vacuum booster master cylinder assembly just equals the displacement of the piston in (analogue measurement master cylinder assembly) piston cylinder.If, the external diameter of the piston in (analogue measurement master cylinder assembly) piston cylinder is not equal to the internal diameter of master cylinder, the internal diameter of the internal diameter x master cylinder of the piston displacement/piston cylinder in the displacement=piston cylinder of the piston of master cylinder, or, the internal diameter of the internal diameter/piston cylinder of the piston displacement x master cylinder in the displacement=piston cylinder of the piston of master cylinder.
Further, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on the first port on described wall (not indicating in figure), described piston cylinder first end inner chamber 111 is connected with vacuum booster master cylinder 3 by the first port, piston cylinder 11 is connected with master cylinder 3 by the second loop, chamber 32, and formation analogue measurement master cylinder assembly 1 is connected with vacuum booster master cylinder assembly 9.Vacuum booster master cylinder assembly 9 comprises: interconnective master cylinder 3 and vacuum booster 5, in addition, vacuum booster master cylinder assembly 9 is also provided with the first loop, chamber 31 that connects master cylinder 3.
Further, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on the second port on described wall (not indicating in figure), described piston cylinder the second end inner chamber 113 is connected with caliper 7 by the second port, to form analogue measurement master cylinder assembly 1, be connected with caliper 7, complete analogue measurement master cylinder assembly 1 and test necessary connection.
Further, described piston 115 is provided with the mounting groove 117 of installation position displacement sensor 119, and mounting groove 117 can be positioned on the outside surface of piston 115, like this, easy for installation.
Further, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on the O-ring seal 112 between described piston and described wall, to realize the due sealing of piston cylinder.
Further, described the first pipeline 161 and described the second pipeline 162 are plastic piping, like this, can see in pipeline whether to also have air or bubble clearly.
Further, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on outside described piston cylinder, and the receiver being connected by signal with described displacement transducer 119 (not indicating in figure), like this, can at piston cylinder, obtain the data of displacement transducer 119 outward, be convenient to measure.
Further, described piston cylinder 111 inwalls are cylindrical shape, are convenient to make and test.
Further, the internal diameter of described piston cylinder 111 equals the internal diameter of vacuum booster master cylinder 3 to be tested, and like this, the output displacement of vacuum booster master cylinder assembly 9 equals the displacement of piston 115, without carrying out formula or data-switching.
The utility model is simple in structure, measures reliably, and cost is low, and measurement data is more direct, accurate.
The foregoing is only the schematic embodiment of the utility model, not in order to limit scope of the present utility model.For each ingredient of the present utility model can mutually combine under the condition of not conflicting; any those skilled in the art; do not depart from equivalent variations and the modification of having done under the prerequisite of design of the present utility model and principle, all should belong to the scope of the utility model protection.
Claims (9)
1. a measurement mechanism for vacuum booster master cylinder assembly output displacement, is characterized in that, the measurement mechanism of described vacuum booster master cylinder assembly output displacement comprises:
Piston cylinder, described piston cylinder has wall, in described wall, be provided with: piston cylinder first end inner chamber, piston cylinder the second end inner chamber and be connected to piston cylinder first end inner chamber and piston cylinder the second end inner chamber between piston, and described piston is mobile is arranged between piston cylinder first end inner chamber and piston cylinder the second end inner chamber;
Displacement transducer, is arranged on described piston;
Fluid reservoir, is arranged on outside described piston cylinder;
The first pipeline, is connected between described piston cylinder first end inner chamber and described fluid reservoir;
The second pipeline, is connected between described piston cylinder the second end inner chamber and described fluid reservoir;
The 3rd pipeline, is arranged on outside described piston cylinder, and is connected between piston cylinder first end inner chamber and piston cylinder the second end inner chamber;
Described the first pipeline is provided with the first valve, and described the second pipeline is provided with the second valve, and described the 3rd pipeline is provided with the 3rd valve.
2. the measurement mechanism of vacuum booster master cylinder assembly output displacement as claimed in claim 1, it is characterized in that, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on the first port on described wall, described piston cylinder first end inner chamber is connected with vacuum booster master cylinder by the first port.
3. the measurement mechanism of vacuum booster master cylinder assembly output displacement as claimed in claim 1, it is characterized in that, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on the second port on described wall, described piston cylinder the second end inner chamber is connected with caliper by the second port.
4. the measurement mechanism of vacuum booster master cylinder assembly output displacement as claimed in claim 1, is characterized in that, described piston is provided with the mounting groove of installation position displacement sensor.
5. the measurement mechanism of vacuum booster master cylinder assembly output displacement as claimed in claim 1, is characterized in that, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: be arranged on the O-ring seal between described piston and described wall.
6. the measurement mechanism of vacuum booster master cylinder assembly output displacement as claimed in claim 1, is characterized in that, described the first pipeline and described the second pipeline are plastic piping.
7. the measurement mechanism of vacuum booster master cylinder assembly output displacement as claimed in claim 1, it is characterized in that, the measurement mechanism of described vacuum booster master cylinder assembly output displacement also comprises: is arranged on outside described piston cylinder, and the receiver being connected by signal with described displacement transducer.
8. the measurement mechanism of vacuum booster master cylinder assembly output displacement as claimed in claim 1, is characterized in that, described piston cylinder inner chamber is cylindrical shape.
9. the measurement mechanism of vacuum booster master cylinder assembly output displacement as claimed in claim 1, is characterized in that, the internal diameter of described piston cylinder equals the internal diameter of vacuum booster master cylinder to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678225.3U CN203518975U (en) | 2013-10-30 | 2013-10-30 | Device for measuring vacuum booster master cylinder assembly output displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678225.3U CN203518975U (en) | 2013-10-30 | 2013-10-30 | Device for measuring vacuum booster master cylinder assembly output displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518975U true CN203518975U (en) | 2014-04-02 |
Family
ID=50377895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320678225.3U Expired - Lifetime CN203518975U (en) | 2013-10-30 | 2013-10-30 | Device for measuring vacuum booster master cylinder assembly output displacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203518975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996874A (en) * | 2017-05-26 | 2017-08-01 | 杭州沃镭智能科技股份有限公司 | Electronics booster band master cylinder assembly performance test hydraulic analog load device |
-
2013
- 2013-10-30 CN CN201320678225.3U patent/CN203518975U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996874A (en) * | 2017-05-26 | 2017-08-01 | 杭州沃镭智能科技股份有限公司 | Electronics booster band master cylinder assembly performance test hydraulic analog load device |
| CN106996874B (en) * | 2017-05-26 | 2023-08-04 | 杭州沃镭智能科技股份有限公司 | Hydraulic simulation load device for performance test of electronic booster with main cylinder assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |