CN213714426U

CN213714426U - Annular chamber pressure-taking orifice flowmeter

Info

Publication number: CN213714426U
Application number: CN202022909730.7U
Authority: CN
Inventors: 余忠传; 翁德平; 万成建
Original assignee: RUIDA GROUP CO Ltd
Current assignee: RUIDA GROUP CO Ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-07-16
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a ring chamber pressure-taking orifice plate flowmeter, which comprises a ring chamber flange and an orifice plate, wherein the ring chamber flange comprises a ring chamber left flange and a ring chamber right flange which are detachably connected, a positive ring chamber is arranged in the ring chamber left flange, and a first pressure-taking hole is arranged at the upper left end of the positive ring chamber; a hole plate positioning groove is formed in the position, located at the right end of the positive ring chamber, of the left flange of the ring chamber; a negative ring chamber is arranged in the ring chamber right flange, and a second pressure taking hole is formed in the upper right end of the negative ring chamber; a gasket positioning groove is formed in the position, located at the left end of the negative ring chamber, of the ring chamber right flange, and a wound gasket is embedded in the gasket positioning groove; the inner end face of the wound gasket is fixedly bonded with a first sealing ring, and the right end face of the pore plate and the inner wall face of the gasket positioning groove form sealing through the first sealing ring. Above-mentioned technical scheme, structural design is reasonable, orifice plate simple to operate, installation effectiveness are high, job stabilization, difficult leakage and the practicality is good.

Description

Annular chamber pressure-taking orifice flowmeter

Technical Field

The utility model relates to a get and press flowmeter technical field, concretely relates to ring room gets and presses orifice plate flowmeter.

Background

The traditional differential pressure type orifice plate flowmeter adopts flange pressure measurement, the orifice plate is particularly inconvenient to install, the symmetry is poor, the installation time is long, and the work efficiency is extremely low; moreover, the orifice plate mounting portion is liable to leak, and the operation is unstable and poor in practicality.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a pressure orifice plate flowmeter is got to ring room that structural design is reasonable, orifice plate simple to operate, installation effectiveness are high, job stabilization, difficult leakage and practicality are good.

In order to achieve the above purpose, the utility model provides a following technical scheme: the annular chamber pressure taking pore plate flowmeter comprises an annular chamber flange and a pore plate, wherein the annular chamber flange comprises an annular chamber left flange and an annular chamber right flange, the annular chamber left flange and the annular chamber right flange are detachably connected, an annular chamber is arranged in the annular chamber left flange, and a first pressure taking hole is formed in the upper left end of the annular chamber; a pore plate positioning groove is formed in the position, located at the right end of the positive ring chamber, of the left flange of the ring chamber, and the pore plate is installed in the pore plate positioning groove in an embedded mode; a negative ring chamber is arranged in the ring chamber right flange, and a second pressure taking hole is formed in the upper right end of the negative ring chamber; a gasket positioning groove is formed in the position, located at the left end of the negative ring chamber, of the ring chamber right flange, a wound gasket is embedded in the gasket positioning groove, and the left end face of the wound gasket is connected with the right end face of the pore plate; and a first sealing ring is fixedly bonded on the inner end surface of the wound gasket, and the right end surface of the pore plate and the inner wall surface of the gasket positioning groove form sealing through the first sealing ring.

The utility model discloses further set up to: the right end face of the ring chamber left flange is integrally provided with a first positioning lug, and the pore plate positioning groove is formed by the inner end face of the first positioning lug and the right end face of the ring chamber left flange.

The utility model discloses still further set up to: the gasket positioning groove is formed by the inner end face of the second positioning lug and the left end face of the right flange of the ring chamber.

The utility model discloses still further set up to: and a second sealing ring is fixedly bonded on the left end face of the second positioning lug, and the left end face of the second positioning lug, the outer end face of the first positioning lug and the local position of the right end face of the left flange of the ring chamber form sealing through the second sealing ring.

The utility model discloses still further set up to: a plurality of fixing bolts are arranged between the ring chamber left flange and the ring chamber right flange, and the ring chamber left flange and the ring chamber right flange are locked and fixed through the fixing bolts.

The utility model discloses still further set up to: the ring chamber left flange is provided with a plurality of jackscrews, and be provided with the jackscrew screw in the ring chamber left flange or the ring chamber right flange, jackscrew and jackscrew screw threaded connection make the head of jackscrew compress tightly ring chamber left flange or ring chamber right flange through screwing the jackscrew.

The utility model has the advantages that: compared with the prior art, the utility model discloses the structure sets up more rationally, orifice plate simple to operate, and the installation effectiveness is high, job stabilization, constitutes triple sealing through first sealing washer, wound form gasket and second sealing washer between ring room left side flange and the ring room right flange, and sealing performance is good, difficult leakage and practicality are good between ring room left side flange and the ring room right flange.

The invention is further described with reference to the drawings and the specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a portion I in fig. 1.

Detailed Description

In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, the utility model discloses a ring chamber pressure-taking orifice plate flowmeter, including ring chamber flange and orifice plate 1, the ring chamber flange includes ring chamber left flange 2 and ring chamber right flange 3, ring chamber left flange 2 and ring chamber right flange 3 can be dismantled and be connected, and is provided with positive ring chamber 21 in the ring chamber left flange 2, the upper left end of positive ring chamber 21 is provided with first pressure-taking hole 211; the ring chamber left flange 2 is provided with a pore plate positioning groove at the right end of the positive ring chamber 21, and the pore plate 1 is embedded in the pore plate positioning groove; a negative ring chamber 31 is arranged in the ring chamber right flange 3, and a second pressure taking hole 311 is arranged at the upper right end of the negative ring chamber 31; a gasket positioning groove is formed in the position, located at the left end of the negative ring chamber 31, of the ring chamber right flange 3, a wound gasket 4 is embedded in the gasket positioning groove, and the left end face of the wound gasket 4 is connected with the right end face of the pore plate 1; a first sealing ring 5 is fixedly bonded on the inner end face of the winding type gasket 4, and the right end face of the pore plate 1 and the inner wall face of the gasket positioning groove form sealing through the first sealing ring 5.

Preferably, the first sealing ring 5 is made of polytetrafluoroethylene material. The wound gasket 4 is made of stainless steel material.

For making the utility model discloses the structure sets up more rationally, as preferred, this embodiment an organic whole is provided with first locating lug 22 on the right-hand member face of ring room left side flange 2, orifice plate positioning groove comprises the interior terminal surface of first locating lug 22 and the right-hand member face of ring room left side flange 2.

The left end face of the ring chamber right flange 3 is integrally provided with a second positioning lug 32, and the gasket positioning groove is formed by the inner end face of the second positioning lug 32 and the left end face of the ring chamber right flange 3.

A second sealing ring 6 is fixedly bonded on the left end face of the second positioning lug 32, and the left end face of the second positioning lug 32, the outer end face of the first positioning lug 22 and the local position of the right end face of the ring chamber left flange 2 form a seal through the second sealing ring 6.

A plurality of fixing bolts 7 are arranged between the ring chamber left flange 2 and the ring chamber right flange 3, and the ring chamber left flange 2 and the ring chamber right flange 3 are locked and fixed through the fixing bolts 7.

A plurality of jackscrews 8 are arranged between the ring chamber left flange 2 and the ring chamber right flange 3, jackscrew holes are arranged in the ring chamber left flange 2 or the ring chamber right flange 3, the jackscrews 8 are in threaded connection with the jackscrew holes, and the head of the jackscrew is enabled to press the ring chamber left flange 2 or the ring chamber right flange 3 by screwing the jackscrew 8. Here, it should be noted that: and a triple seal is formed between the ring chamber left flange 2 and the ring chamber right flange 3 through a first seal ring 5, a wound gasket 4 and a second seal ring 6, and the second seal ring 6 is made of a polytetrafluoroethylene material.

In practical application, the utility model discloses orifice plate simple to operate, the installation effectiveness is high, job stabilization constitutes triple sealedly through first sealing washer, wound form gasket and second sealing washer between ring room left flange and the ring room right flange, and sealing performance is good, difficult leakage and the practicality is good between ring room left flange and the ring room right flange.

The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.

Claims

1. The utility model provides a pressure orifice plate flowmeter is got to ring room, includes ring room flange and orifice plate (1), its characterized in that: the ring chamber flange comprises a ring chamber left flange (2) and a ring chamber right flange (3), the ring chamber left flange (2) and the ring chamber right flange (3) are detachably connected, a positive ring chamber (21) is arranged in the ring chamber left flange (2), and a first pressure taking hole (211) is formed in the upper left end of the positive ring chamber (21); a pore plate positioning groove is formed in the position, located at the right end of the positive ring chamber (21), of the ring chamber left flange (2), and the pore plate (1) is installed in the pore plate positioning groove in an embedded mode; a negative ring chamber (31) is arranged in the ring chamber right flange (3), and a second pressure taking hole (311) is arranged at the upper right end of the negative ring chamber (31); a gasket positioning groove is formed in the position, located at the left end of the negative ring chamber (31), of the ring chamber right flange (3), a wound gasket (4) is embedded in the gasket positioning groove, and the left end face of the wound gasket (4) is connected with the right end face of the pore plate (1); a first sealing ring (5) is fixedly bonded on the inner end face of the wound gasket (4), and the right end face of the pore plate (1) and the inner wall face of the gasket positioning groove form sealing through the first sealing ring (5).

2. The annular chamber pressure tapping orifice flowmeter of claim 1, wherein: a first positioning lug (22) is integrally arranged on the right end face of the ring chamber left flange (2), and the pore plate positioning groove is formed by the inner end face of the first positioning lug (22) and the right end face of the ring chamber left flange (2).

3. The annular chamber pressure tapping orifice flowmeter of claim 2, wherein: and a second positioning lug (32) is integrally arranged on the left end face of the ring chamber right flange (3), and the gasket positioning groove is formed by the inner end face of the second positioning lug (32) and the left end face of the ring chamber right flange (3).

4. The annular chamber pressure tapping orifice flowmeter of claim 3, wherein: and a second sealing ring (6) is fixedly bonded on the left end face of the second positioning lug (32), and the left end face of the second positioning lug (32), the outer end face of the first positioning lug (22) and the local position of the right end face of the ring chamber left flange (2) are sealed through the second sealing ring (6).

5. The annular chamber pressure tapping orifice flowmeter of claim 4, wherein: a plurality of fixing bolts (7) are arranged between the ring chamber left flange (2) and the ring chamber right flange (3), and the ring chamber left flange (2) and the ring chamber right flange (3) are locked and fixed through the fixing bolts (7).

6. The annular chamber pressure tapping orifice flowmeter of claim 5, wherein: be provided with a plurality of jackscrews (8) between ring room left flange (2) and ring room right flange (3), be provided with the jackscrew screw in ring room left flange (2) or ring room right flange (3), jackscrew (8) and jackscrew screw threaded connection make the head of jackscrew compress tightly ring room left flange (2) or ring room right flange (3) through screwing jackscrew (8).