CN210268796U - Piston sleeve micropore flow measurement frock - Google Patents
Piston sleeve micropore flow measurement frock Download PDFInfo
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- CN210268796U CN210268796U CN201921682489.XU CN201921682489U CN210268796U CN 210268796 U CN210268796 U CN 210268796U CN 201921682489 U CN201921682489 U CN 201921682489U CN 210268796 U CN210268796 U CN 210268796U
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- pressure head
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Abstract
The utility model relates to a piston bush micropore flow measurement frock, including pressure head body and sleeve, the pressure head groove is seted up to pressure head body upper end, the pressure head body is located pressure head groove lower extreme and sets up the telescopic mounting hole of installation, the sleeve is worn in the mounting hole, the constant head tank of locating piston cover is seted up to the sleeve upper end, and the sleeve is located the constant head tank upper end and sets up the oil feed tank, and the sleeve is located the constant head tank lower extreme and sets up out the oilhole, oil outlet connection flow measuring equipment, pressure head inslot installation pressure head sets up the inlet port on the pressure head, inlet port lower extreme intercommunication oil feed tank, upper end and oil supply unit intercommunication, just the pressure head compresses tightly the piston bush in the constant head tank through the oil supply unit who pushes down, just the micropore of piston bush is located the oil feed tank, the piston bush of measurable quantity different specifications, and the frock retooling.
Description
Technical Field
The utility model relates to a needle valve body processingequipment especially relates to a piston sleeve micropore flow measurement frock.
Background
For satisfying the increasingly high product requirement in current market, the micropore flow measurement of piston bush becomes heavily to be emphatic, and traditional measuring equipment exists to different piston bushes, need to change different measuring fixture, and the remodelling is frequent, the complicated problem of remodelling operation.
SUMMERY OF THE UTILITY MODEL
The applicant carries out research and improvement aiming at the defects and provides a piston sleeve micropore flow measuring tool.
The utility model discloses the technical scheme who adopts as follows:
the utility model provides a piston bush micropore flow measurement frock, includes pressure head body and sleeve, the pressure head groove is seted up to pressure head body upper end, the pressure head body is located pressure head groove lower extreme and sets up the telescopic mounting hole of installation, the sleeve is worn in the mounting hole, the constant head tank of location piston cover is seted up to the sleeve upper end, and the sleeve is located the constant head tank upper end and sets up the oil feed tank, and the sleeve is located the constant head tank lower extreme and sets up out the oilhole, oil outlet connection flow measuring equipment, pressure head inslot installation pressure head sets up the inlet port on the pressure head, inlet port lower extreme intercommunication inlet tank, upper end and oil supply unit intercommunication, just the pressure head compresses tightly the piston bush in the constant head tank through the oil supply unit who pushes down, just the micropore of piston bush is.
As a further improvement of the above technical solution:
and a sealing gasket is further arranged in the positioning groove, and a through hole communicated with the oil outlet is formed in the sealing gasket.
The sealing gasket is made of a cowhells material.
A first sealing ring is arranged between the pressure head and the oil supply device.
The first sealing ring is a rubber sealing ring.
And a second sealing ring is arranged at the lower end of the pressure head body.
The second sealing ring is a rubber sealing ring.
The utility model has the advantages as follows: piston sleeve micropore flow measurement frock adopts the pressure head, the split type structure of pressure head body and sleeve, to the piston sleeve of different specifications, only needs to change partial part, does not need whole measurement frock whole change, reduces the frock and trades the type number of times, simplifies and trades the type procedure, and sets up sealed the pad in the sleeve, prevents that piston sleeve and sleeve hard contact from damaging the piston sleeve.
Drawings
Fig. 1 is the utility model provides a piston bush micropore flow measurement frock's cross-sectional view.
In the figure: 1. a pressing head body; 11. a pressure head groove; 12. mounting holes; 2. a sleeve; 21. positioning a groove; 22. an oil inlet groove; 23. an oil outlet hole; 24. a gasket; 3. a piston sleeve; 31. micropores; 4. a pressure head; 41. an oil inlet hole; 5. a first seal ring; 6. and a second seal ring.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
As shown in fig. 1, the piston sleeve micro-hole flow measuring tool of the present embodiment includes a head pressing body 1 and a sleeve 2, the upper end of the head pressing body 1 is provided with a head pressing groove 11, the lower end of the head pressing body 1 is provided with a mounting hole 12 for mounting the sleeve 2, the sleeve 2 is inserted into the mounting hole 12, the upper end of the sleeve 2 is provided with a positioning groove 21 for positioning a piston sleeve 3, the upper end of the sleeve 2 is provided with an oil inlet groove 22, the lower end of the positioning groove 21 of the sleeve 2 is provided with an oil outlet hole 23, the oil outlet hole 23 is connected to a flow measuring device, a pressure head 4 is mounted in the head pressing groove 11, the pressure head 4 is provided with an oil inlet hole 41, the lower end of the oil inlet hole 41 is communicated with the oil inlet groove 22, the upper end is communicated with an oil supply device, the pressure head 4 presses the piston sleeve 3 into the positioning groove 21 by the oil supply device, the lower end of the, the sealing gasket 24 is made of a cowhells material, the sealing gasket 24 plays a role in buffering, the piston sleeve 3 is prevented from being damaged by hard collision between the piston sleeve 3 and the sleeve 2, and the micropores 31 of the piston sleeve 3 are positioned in the oil inlet groove 22.
Set up first sealing washer 5 between pressure head 4 and the oil supply unit, first sealing washer 5 is rubber seal, and first sealing washer 5 realizes the sealed between pressure head 4 and the oil supply unit, prevents the oil leak between oil supply unit and the pressure head 4.
The lower end of the pressure head body 1 is provided with a second sealing ring 6, the second sealing ring 6 is a rubber sealing ring, the second sealing ring 6 and the second sealing ring 6 realize the sealing between the pressure head body 1 and the outside, and the measuring tool is prevented from leaking oil to the outside.
When the piston sleeve micropore flow measuring tool is used, the sleeve 2 is connected with flow measuring equipment, the sealing gasket 24 with proper thickness is selected according to the length of the piston sleeve 3 and is arranged in the positioning groove 21, then the piston sleeve 3 penetrates into the positioning groove 21 to position the piston sleeve 3, the micropore 31 of the piston sleeve 3 is positioned in the oil inlet groove 22, the pressure head body 1 is connected to the sleeve 2, the pressure head 4 is selected according to the position of the micropore 31, the pressure head 4 is arranged in the pressure head groove 11, then the oil inlet end of the oil supply device is pressed to the upper end of the oil inlet hole 41 of the pressure head 4 and is continuously pressed downwards, so that the oil inlet end of the oil supply device, the pressure head 4 and the piston sleeve 3 are pressed and sealed tightly, clamping is completed, oil is supplied by the oil supply device after the clamping is completed, the oil enters the oil inlet groove 22 through the oil inlet hole 41, the oil in the oil inlet groove 22 enters the piston sleeve 3 through the micropore 31, and finally enters, the flow rate can be measured.
The piston sleeves 3 with different heights are measured by only replacing the sealing gaskets 24 with different thicknesses; the piston sleeves 3 with different diameters are measured by only replacing the sleeves 2 provided with the positioning grooves 21 with different inner diameters; the piston sleeve 3 at different oil inlet positions is measured, and the quick model change of the measurement is realized only by replacing the pressure head with different oil inlet holes 4.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (7)
1. The utility model provides a piston sleeve micropore flow measurement frock which characterized in that: the oil-feeding device comprises a pressure head body (1) and a sleeve (2), wherein a pressure head groove (11) is formed in the upper end of the pressure head body (1), the pressure head body (1) is located at the lower end of the pressure head groove (11) and is provided with a mounting hole (12) for mounting the sleeve (2), the sleeve (2) is penetrated in the mounting hole (12), a positioning groove (21) for positioning a piston sleeve (3) is formed in the upper end of the sleeve (2), an oil inlet groove (22) is formed in the upper end of the positioning groove (21), an oil outlet (23) is formed in the lower end of the positioning groove (21) of the sleeve (2), the oil outlet (23) is connected with flow measuring equipment, a pressure head (4) is mounted in the pressure head groove (11), an oil inlet hole (41) is formed in the pressure head (4), the lower end of the oil inlet hole (41) is communicated with the oil inlet groove (22), the upper end of the oil supply device is communicated with an oil supply device, and, and the micropore (31) of the piston sleeve (3) is positioned in the oil inlet groove (22).
2. The piston sleeve micropore flow measuring tool of claim 1, wherein: and a sealing gasket (24) is further arranged in the positioning groove (21), and a through hole communicated with the oil outlet hole (23) is formed in the sealing gasket (24).
3. The piston sleeve micropore flow measuring tool of claim 2, wherein: the sealing gasket (24) is made of a cowhells material.
4. The piston sleeve micropore flow measuring tool of claim 1, wherein: a first sealing ring (5) is arranged between the pressure head (4) and the oil supply device.
5. The piston sleeve micropore flow measuring tool of claim 4, wherein: the first sealing ring (5) is a rubber sealing ring.
6. The piston sleeve micropore flow measuring tool of claim 1, wherein: and a second sealing ring (6) is arranged at the lower end of the pressure head body (1).
7. The piston sleeve micropore flow measuring tool of claim 6, wherein: the second sealing ring (6) is a rubber sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682489.XU CN210268796U (en) | 2019-10-09 | 2019-10-09 | Piston sleeve micropore flow measurement frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682489.XU CN210268796U (en) | 2019-10-09 | 2019-10-09 | Piston sleeve micropore flow measurement frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210268796U true CN210268796U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921682489.XU Active CN210268796U (en) | 2019-10-09 | 2019-10-09 | Piston sleeve micropore flow measurement frock |
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| Country | Link |
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| CN (1) | CN210268796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553694A (en) * | 2019-10-09 | 2019-12-10 | 无锡威孚马山油泵油嘴有限公司 | Piston sleeve micropore flow measurement frock |
-
2019
- 2019-10-09 CN CN201921682489.XU patent/CN210268796U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553694A (en) * | 2019-10-09 | 2019-12-10 | 无锡威孚马山油泵油嘴有限公司 | Piston sleeve micropore flow measurement frock |
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