CN203011677U - Clamp for bypass-valve test - Google Patents
Clamp for bypass-valve test Download PDFInfo
- Publication number
- CN203011677U CN203011677U CN 201220593904 CN201220593904U CN203011677U CN 203011677 U CN203011677 U CN 203011677U CN 201220593904 CN201220593904 CN 201220593904 CN 201220593904 U CN201220593904 U CN 201220593904U CN 203011677 U CN203011677 U CN 203011677U
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- Prior art keywords
- bunker
- pass valve
- bypass
- described upper
- oil
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Abstract
The utility model relates to the field of engine filters, and specifically relates to a clamp. The clamp for a bypass-valve test comprises a clamp body, a bypass pipeline, an upstream piezometric pipeline and a downstream piezometric pipeline; the clamp body comprises a rack body, and the rack body is provided with an upper oil tank and a lower oil tank; one end of the bypass pipeline is communicated with an oil inlet of the upper oil tank and the other end of the bypass pipeline is communicated with an external oil tank, so that a bypass loop is formed, and the bypass loop is provided with a throttle valve; and the upstream piezometric pipeline is communicated with the upper oil tank and the downstream piezometric pipeline is communicated with the lower oil tank. According to the clamp, the throttle valve and the clamp body are combined under a precondition that an original test principle is guaranteed, the bypass loop is formed, and convenience in operation is increased and system complexity is also reduced.
Description
Technical field
The utility model relates to the engine filter technical field, is specifically related to a kind of fixture.
Background technology
In order to guarantee the normal lubricated of engine, usually be provided with by-pass valve in oil filter.When oil filter was stopped up, the oil-in of oil filter and oil-out reached certain pressure difference value, and by-pass valve is opened, and machine oil can directly enter oil duct by by-pass valve and be lubricated engine, thereby had guaranteed the normal lubricated of whole engine.When oil filter worked, by-pass valve was in normally off usually, and only in the situation that oil filter is seriously stopped up, by-pass valve just can be in opening.
In addition, by-pass valve is being carried out the by-pass valve performance test when (comprising by-pass valve opening pressure, flow resistance, leakage rate test), with reference to Fig. 1, corresponding to ISO 4548-2 standard, system's bypass circulation in the description of relevant by-pass valve test separates with the by-pass valve fixture, and need an extra throttling valve and switch valve to carry out the pressure adjusting of test specimen entrance point, increased the system complexity of equipment.
The utility model content
The purpose of this utility model is, a kind of by-pass valve test fixture is provided, and solves above technical matters.
The technical matters that the utility model solves can realize by the following technical solutions:
The by-pass valve test fixture, comprise that one is used for the jig main body of clamping by-pass valve, it is characterized in that, described jig main body comprises a support body, described support body is provided with the lower bunker that bunker on, is positioned at described upper bunker below, and the top of described upper bunker is provided with pouring orifice, and the below of described upper bunker is provided with oil-out, the top of described lower bunker is provided with oiler, and the below of described lower bunker is provided with oil return opening; Described pouring orifice connects external fuel tank by oil filling pipeline, and described oil return opening connects described external fuel tank by return line;
Also comprise a bypass line, the pouring orifice of a described upper bunker of end UNICOM of described bypass line, the described external fuel tank of other end UNICOM of described bypass line forms a bypass loop; Be provided with a throttling valve on described bypass circulation;
Also comprise a upstream pressure measurement pipeline, a piezometric tube road, downstream, the described upper bunker of described upstream pressure measurement pipeline UNICOM, the described lower bunker of described downstream pressure measurement pipeline UNICOM.Pressure measurement pipeline in upstream of the present utility model and downstream pressure measurement pipeline are used for measuring the upstream of by-pass valve sample, the force value in downstream, and calculate the flow resistance of by-pass valve sample with this.
The utility model in use, by-pass valve is arranged between bunker and lower bunker, the oiler of the oil-out of bunker and lower bunker in UNICOM.Bypass circulation of the present utility model and throttling valve are used for regulating by-pass valve sample upstream pressure.When full trrottle, be used for the heating of whole by-pass valve pilot system, at this moment, the test oil in fuel tank injects fixture of the present utility model by pouring orifice, and flows back to fuel tank through bypass circulation, and the by-pass valve sample is only heated and do not affect its virgin state; When the throttling valve complete shut-down, carry out the test of by-pass valve opening pressure and flow resistance, at this moment, the by-pass valve inflow fuel tank that test oil injects fixture and opens through pressurized; When throttling valve is half-open, but the pressure of manual adjustments sample by-pass valve upstream, and under this pressure the leakage rate of test by-pass valve.
For by-pass valve opening pressure and flow resistance test, need specify at certain temperature and carry out, different oil temperatures will affect the test oil viscosity and directly affect the flow resistance test result.This test clamp prodigiosin guarantees by the standard-sized sheet bypass circulation it to be carried out Synchronous Heating or cooling in the situation that do not affect by-pass valve state service test oil, and when oil temperature reached required value, test specimen also synchronously reached design temperature.This design can prevent from not carrying out under sufficient preheating, the huge deviation of sample area and fuel tank temperature, and then prevent the test figure deviation brought thus.
Described throttling valve is arranged on described bypass line, is positioned at described support body side.So that operated throttle valve.
Described upper bunker, described lower bunker all adopt transparent bunker.Be convenient to the state of by-pass valve in the observation experiment process.
The transparent bunker that described transparent bunker preferably adopts transparent organic glass to make.Be convenient to observe the state of by-pass valve sample in opening process, can directly observe for problem sample problems such as issuable unlatching imbalance, obstruction in test process, be conducive to sample and analysis of test results.
Described lower bunker is provided with a bypass valve seat, and described bypass valve seat is on described between bunker and described lower bunker.During use, the by-pass valve sample is positioned on bypass valve seat, and bypass valve seat is used for supporting by-pass valve sample, prevents that sample from producing distortion under elevated pressures, can open or close test under original state.
Also be provided with gasket seal between described bypass valve seat and described upper bunker.After the by-pass valve sample is positioned on bypass valve seat, adopt gasket seal by-pass valve sample upper and lower side can be sealed.
Described gasket seal preferably adopts the silica gel pad of silica gel material.The silica gel material is high temperature resistant, and can not produce influence of crust deformation to sample when being subjected to clamping.
Described support body comprises that a upper bracket, is positioned at the lower carriage of described upper bracket below, described upper bunker is arranged on described upper bracket, described lower bunker is arranged on described lower carriage, described upper bracket is connected by at least two screw rods with described lower carriage, the two ends of each described screw rod are equipped with a setting nut, the setting nut that is positioned at described upper bunker place is positioned at the top of described upper bunker, and the setting nut that is positioned at described lower bunker place is positioned at the below of described lower bunker.By regulating setting nut, the distance between upper bunker, lower bunker is regulated, so that the by-pass valve sample of the clamping different-thickness that the utility model can be firm, stable.
Beneficial effect: owing to adopting technique scheme, fixture of the present utility model synthesizes throttling valve and fixture itself under the prerequisite that guarantees original test philosophy, forms a bypass circulation, has not only increased the convenience that operates but also the complicacy that has reduced system.
Description of drawings
Fig. 1 is the connection diagram of relevant by-pass valve test in ISO 4548-2 standard;
Fig. 2 is one-piece construction schematic diagram of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 2, the by-pass valve test fixture, comprise that one is used for the jig main body of clamping by-pass valve, jig main body comprises a support body, support body is provided with the lower bunker 22 that bunker 21, on is positioned at bunker 21 belows, and the top of upper bunker 21 is provided with pouring orifice, and the below of upper bunker 21 is provided with oil-out, the top of lower bunker 22 is provided with oiler, and the below of lower bunker 22 is provided with oil return opening.Pouring orifice connects external fuel tank by oil filling pipeline 31, and oil return opening connects external fuel tank by return line 32.Also comprise a bypass line 41, the pouring orifice of bunker 21 in an end UNICOM of bypass line 41, the other end UNICOM external fuel tank of bypass line 41 forms a bypass loop.Be provided with a throttling valve 42 on bypass circulation.Also comprise a upstream pressure measurement pipeline 51, a piezometric tube road, downstream 52, bunker 21 in upstream pressure measurement pipeline 51 UNICOMs, bunker 22 under downstream pressure measurement pipeline 52 UNICOMs.Upstream pressure measurement pipeline 51 of the present utility model and downstream pressure measurement pipeline 52 are used for measuring the upstream of by-pass valve sample, the force value in downstream, and calculate the flow resistance of by-pass valve sample with this.
The utility model in use, by-pass valve is arranged between bunker 21 and lower bunker 22, the oiler of the oil-out of bunker 21 and lower bunker 22 in UNICOM.Bypass circulation of the present utility model and throttling valve 42 are used for regulating by-pass valve sample upstream pressure.When throttling valve 42 standard-sized sheet, be used for the heating of whole by-pass valve pilot system, at this moment, the test oil in fuel tank injects fixture of the present utility model by oil filling pipeline 31 toward pouring orifice, and flow back to fuel tank through bypass circulation, the by-pass valve sample is only heated and do not affect its virgin state; When throttling valve 42 complete shut-down, carry out the test of by-pass valve opening pressure and flow resistance, at this moment, the by-pass valve that test oil injects fixture and opens through pressurized, then flow into fuel tank through return line 32; When throttling valve 42 is half-open, but the pressure of manual adjustments sample by-pass valve upstream, and under this pressure the leakage rate of test by-pass valve.
For by-pass valve opening pressure and flow resistance test, need specify at certain temperature and carry out, different oil temperatures will affect the test oil viscosity and directly affect the flow resistance test result.This test clamp prodigiosin is by the standard-sized sheet bypass circulation, guarantees it to be carried out Synchronous Heating or cooling in the situation that do not affect by-pass valve state service test oil, and when oil temperature reached required value, test specimen also synchronously reached design temperature.This design can prevent from not carrying out under sufficient preheating, the huge deviation of sample area and fuel tank temperature, and then prevent the test figure deviation brought thus.
Also be provided with gasket seal 24 between bypass valve seat 23 and upper bunker 21.After the by-pass valve sample is positioned on bypass valve seat 23, adopt gasket seal 24 by-pass valve sample upper and lower side can be sealed.The preferred silica gel pad that adopts the silica gel material of gasket seal 24.The silica gel material is high temperature resistant, and can not produce influence of crust deformation to sample when being subjected to clamping.
Support body comprises that a upper bracket 61, is positioned at the lower carriage 62 of upper bracket 61 belows, upper bunker 21 is arranged on upper bracket 61, lower bunker 22 is arranged on lower carriage 62, upper bracket 61 is connected by at least two screw rods 63 with lower carriage 62, the two ends of each screw rod 63 are equipped with a setting nut 64, the setting nut 64 that is positioned at bunker 21 places is positioned at the top of bunker 21, and the setting nut 64 that is positioned at lower bunker 22 places is positioned at the below of lower bunker 22.By regulating setting nut 64, the distance between upper bunker 21, lower bunker 22 is regulated, so that the by-pass valve sample of the clamping different-thickness that the utility model can be firm, stable.
With reference to Fig. 1, by-pass valve performance test of the prior art adopts the connected mode in figure, and bypass circulation separates with the by-pass valve fixture.In figure, oil groove 11 is equipped with the temperature that heating and cooling equipment is controlled experimental oil, the preferred heat insulation good oil groove of oil groove 11.Electric motor oil pumping set 12 is used for experimental oil is injected fixture.In bypass circulation, there is throttling valve 13, be used for carrying out pressure and regulate.Also comprise for the temperature sensor 17 of measuring the bypass circulation temperature.Also be provided with switch valve 14 between filter cleaner 16 in electric motor oil pumping set 12 and experiment.The upstream of filter cleaner 16 is provided with tensimeter 18.Filter cleaner 16 downstreams are provided with throttling valve 111, are used for flow regulation.The downstream of throttling valve 111 is provided with flowmeter 15, and the downstream of flowmeter 15 is provided with valve 110, is used at filter cleaner 16 outlets, and conversion flows to the valve of measuring machine oil in cylinder.A free draw-off pipe 113 of oil-out UNICOM of valve 110.Another oil-out UNICOM oil groove 11 of valve 110.In experiment, also comprise differential pressure gauge or measure fall by the filter cleaner bypass pressure two independently tensimeter 19 and tensimeters 112.
In existing design, when testing, the pressure that needs throttling valve 13 and switch valve 14 to carry out the test specimen entrance point is regulated, and has increased the system complexity of equipment.And the utility model synthesizes throttling valve 13 and fixture, has not only increased the convenience of operation but also has reduced the complicacy of system.Can also observe intuitively the state of by-pass valve sample in opening process.
Above demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. by-pass valve test fixture, comprise that one is used for the jig main body of clamping by-pass valve, it is characterized in that: described jig main body comprises a support body, described support body is provided with the lower bunker that bunker on, is positioned at described upper bunker below, the top of described upper bunker is provided with pouring orifice, the below of described upper bunker is provided with oil-out, and the top of described lower bunker is provided with oiler, and the below of described lower bunker is provided with oil return opening; Described pouring orifice connects external fuel tank by oil filling pipeline, and described oil return opening connects described external fuel tank by return line;
Also comprise a bypass line, the pouring orifice of a described upper bunker of end UNICOM of described bypass line, the described external fuel tank of other end UNICOM of described bypass line forms a bypass loop; Be provided with a throttling valve on described bypass circulation;
Also comprise a upstream pressure measurement pipeline, a piezometric tube road, downstream, the described upper bunker of described upstream pressure measurement pipeline UNICOM, the described lower bunker of described downstream pressure measurement pipeline UNICOM.
2. by-pass valve test fixture according to claim 1, it is characterized in that: described throttling valve is arranged on described bypass line, is positioned at described support body side.
3. by-pass valve test fixture according to claim 1, it is characterized in that: described upper bunker, described lower bunker all adopt transparent bunker.
4. by-pass valve test fixture according to claim 3, is characterized in that: the transparent bunker that described transparent bunker adopts transparent organic glass to make.
5. according to claim 1,2,3 or 4 described by-pass valve test fixtures, it is characterized in that: described lower bunker is provided with a bypass valve seat, described bypass valve seat is on described between bunker and described lower bunker.
6. by-pass valve test fixture according to claim 5, is characterized in that: also be provided with gasket seal between described bypass valve seat and described upper bunker.
7. by-pass valve test fixture according to claim 6, is characterized in that: the silica gel pad of described gasket seal employing silica gel material.
8. by-pass valve test fixture according to claim 6, it is characterized in that: described support body comprises that a upper bracket, is positioned at the lower carriage of described upper bracket below, described upper bunker is arranged on described upper bracket, described lower bunker is arranged on described lower carriage, described upper bracket is connected by at least two screw rods with described lower carriage, the two ends of each described screw rod are equipped with a setting nut, the setting nut that is positioned at described upper bunker place is positioned at the top of described upper bunker, and the setting nut that is positioned at described lower bunker place is positioned at the below of described lower bunker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593904 CN203011677U (en) | 2012-09-03 | 2012-11-12 | Clamp for bypass-valve test |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220445766.7 | 2012-09-03 | ||
| CN201220445766 | 2012-09-03 | ||
| CN 201220593904 CN203011677U (en) | 2012-09-03 | 2012-11-12 | Clamp for bypass-valve test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011677U true CN203011677U (en) | 2013-06-19 |
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ID=48603260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220593904 Expired - Fee Related CN203011677U (en) | 2012-09-03 | 2012-11-12 | Clamp for bypass-valve test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203011677U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729836A (en) * | 2013-12-19 | 2015-06-24 | 珠海格力电器股份有限公司 | Solenoid valve pulse test tool |
| CN105021395A (en) * | 2015-08-18 | 2015-11-04 | 蚌埠国威滤清器有限公司 | Oil filter bypass valve opening pressure gas detection device |
| CN109374236A (en) * | 2018-12-25 | 2019-02-22 | 宁波美星机电有限公司 | The air inlet by-passing valve device for detecting performance accurately leaked using revolving speed cooperation oil pressure |
-
2012
- 2012-11-12 CN CN 201220593904 patent/CN203011677U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729836A (en) * | 2013-12-19 | 2015-06-24 | 珠海格力电器股份有限公司 | Solenoid valve pulse test tool |
| CN105021395A (en) * | 2015-08-18 | 2015-11-04 | 蚌埠国威滤清器有限公司 | Oil filter bypass valve opening pressure gas detection device |
| CN105021395B (en) * | 2015-08-18 | 2017-10-10 | 蚌埠国威滤清器有限公司 | Oil filter bypasses valve opening pressure gas-detecting device |
| CN109374236A (en) * | 2018-12-25 | 2019-02-22 | 宁波美星机电有限公司 | The air inlet by-passing valve device for detecting performance accurately leaked using revolving speed cooperation oil pressure |
| CN109374236B (en) * | 2018-12-25 | 2020-12-15 | 嘉兴日昌汽车配件有限公司 | Performance detection device for air inlet bypass valve capable of accurately leaking by matching rotating speed with oil pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20201112 |