阅读说明：本技术 一种活塞套微孔流量测量工装 (Piston sleeve micropore flow measurement frock ) 是由 王一翔 支成邦 周频频 于 2019-10-09 设计创作，主要内容包括：本发明涉及一种活塞套微孔流量测量工装,包括压头体和套筒,所述压头体上端开设压头槽,所述压头体位于压头槽下端设置安装套筒的安装孔,所述套筒穿在安装孔内,所述套筒上端开设定位活塞套的定位槽,且套筒位于定位槽上端开设进油槽,套筒位于定位槽下端开设出油孔,所述出油孔连接流量测量设备,所述压头槽内安装压头,压头上开设进油孔,所述进油孔下端连通进油槽,上端与供油装置连通,且所述压头通过下压的供油装置将活塞套压紧在定位槽内,且所述活塞套的微孔位于进油槽内,可测量不同规格的活塞套,工装换型次数少,换型操作简单。(The invention relates to a piston sleeve micropore flow measuring tool, which comprises a pressure head body and a sleeve, wherein a pressure head groove is formed in the upper end of the pressure head body, a mounting hole for mounting the sleeve is formed in the lower end of the pressure head groove, the sleeve penetrates through the mounting hole, a positioning groove for positioning a piston sleeve is formed in the upper end of the sleeve, an oil inlet groove is formed in the upper end of the positioning groove, an oil outlet hole is formed in the lower end of the sleeve, the oil outlet hole is connected with flow measuring equipment, a pressure head is mounted in the pressure head groove, an oil inlet hole is formed in the pressure head, the lower end of the oil inlet hole is communicated with the oil inlet groove, the upper end of the oil inlet hole is communicated with an oil supply device, the pressure head presses the piston sleeve in the positioning groove through the oil supply device which presses downwards, micropores of the piston sleeve are formed in the oil inlet.)

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.

Technical Field

The invention relates to a needle valve body processing device, in particular to a piston sleeve micropore flow measuring tool.

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.

Disclosure of Invention

The applicant carries out research and improvement aiming at the defects and provides a piston sleeve micropore flow measuring tool.

the technical scheme adopted by the invention is 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 invention has the following beneficial effects: 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 a cross-sectional view of a piston sleeve micropore flow measuring tool provided by the invention.

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 foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure thereof.