WO2021068862A1 - Débitmètre destiné à être utilisé dans un collecteur - Google Patents

Débitmètre destiné à être utilisé dans un collecteur Download PDF

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Publication number
WO2021068862A1
WO2021068862A1 PCT/CN2020/119840 CN2020119840W WO2021068862A1 WO 2021068862 A1 WO2021068862 A1 WO 2021068862A1 CN 2020119840 W CN2020119840 W CN 2020119840W WO 2021068862 A1 WO2021068862 A1 WO 2021068862A1
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WO
WIPO (PCT)
Prior art keywords
flow
housing
bottom end
wall
pressure plate
Prior art date
Application number
PCT/CN2020/119840
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English (en)
Chinese (zh)
Inventor
王林近
肖小勇
Original Assignee
浙江鑫帆暖通智控股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江鑫帆暖通智控股份有限公司 filed Critical 浙江鑫帆暖通智控股份有限公司
Publication of WO2021068862A1 publication Critical patent/WO2021068862A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus

Definitions

  • the utility model belongs to the technical field of valve manufacturing, and relates to a water separator accessory, in particular to a flow meter for a water separator.
  • the water separator and water collector are the water distribution and water collection devices used to connect the supply and return water of various heating pipes in the water system. According to the incoming and outgoing water, it is a water separator and a water collector, so it is called a manifold or a water collector, commonly known as a water separator.
  • a flow meter on the water divider.
  • Chinese patent literature discloses a copper tube flow meter water divider [application number: 201820941358.8; authorization announcement number: CN208364861U], which includes copper
  • the flowmeter includes a mounting seat threadedly connected with the water distribution pipe and an adjusting seat threadedly connected with the mounting seat.
  • the mounting seat is provided with a water inlet hole located in the water distribution pipe to adjust
  • the seat is provided with a water hole connected to the water inlet in the circumferential direction, and the outer walls of the adjusting seat on both sides of the water hole are fixedly connected with a sealing ring sealed to the inner wall of the mounting seat.
  • the outer end of the adjusting seat is threadedly connected with a shell, and the shell has a flow rate.
  • the housing is provided with a flow rod, the top of the flow rod is in contact with the inner wall of the top of the housing, and a pressure cap is fixedly connected to the top of the flow rod.
  • the pressure cap and the adjusting seat are provided with elastic force to keep the top of the flow rod in contact with
  • the spring of the housing trend the adjusting seat is located on the outer wall of the lower side of the water hole to form a diversion sleeve in the water distribution pipe.
  • the bottom end of the flow rod has a flange and is located in the diversion sleeve.
  • the water distribution pipe has a one-to-one correspondence with the flowmeter.
  • the water outlet pipe protruding from the water distribution pipe, the water distribution pipe and the water outlet connection pipe are an integrated structure, the mounting seat extends to the inner end of the water outlet pipe, and the bottom end of the mounting seat is embedded with a cylindrically projecting sealing gasket, the sealing gasket faces
  • the port of the outlet nozzle is flared and the port is sealed at the inner end of the outlet nozzle, the inner wall of the diversion sleeve is tapered, and the bottom end of the diversion sleeve with a large inner diameter extends into the outlet nozzle.
  • the above-mentioned copper pipe flowmeter water divider can observe the water flow rate and has high control accuracy, but the flowmeter has a large volume.
  • you need to adjust the flow rate you need to remove the lock cap, and then use needle-nose pliers or a vise or a wrench. Clamp the adjustment seat, turn the adjustment seat to change the axial position of the adjustment seat.
  • the adjustment seat is axial The displacement causes the opening gap of the water inlet to change, thereby adjusting the flow rate.
  • the lock cap After adjusting the flow rate, the lock cap needs to be re-threaded to the adjusting seat, which is inconvenient to operate, and the adjustment seat is driven to rotate during the tightening process of the lock cap, which affects the flow rate.
  • the adjustment accuracy After adjusting the flow rate, the lock cap needs to be re-threaded to the adjusting seat, which is inconvenient to operate, and the adjustment seat is driven to rotate during the tightening process of the lock cap, which affects the flow rate.
  • the purpose of the utility model is to solve the above-mentioned problems in the prior art and provide a flow meter for a water separator with compact structure, small volume, convenient flow adjustment and high adjustment accuracy.
  • a flow meter for a water separator comprising a connecting seat, a housing, a flow indicator rod and a spring
  • the housing is provided with a flow scale
  • the flow indicator The rod is located in the housing and the spring is sleeved on the flow rod.
  • the flow indicator rod has an indicator block. It is characterized in that the housing passes through the connecting seat axially and the housing is threadedly connected to the connecting seat.
  • the bottom end of the housing is fixedly connected with a pressure plate, the bottom end of the flow indicating rod axially penetrates the pressure plate and the bottom end of the flow indicating rod is fixedly connected with a flow plate, and the spring provides elastic force so that the flow indicating rod always has the direction to the housing
  • the casing is sheathed with a hand wheel and the hand wheel is positioned circumferentially with the casing, and the hand wheel has a window exposing the flow scale.
  • the top of the housing has a block-shaped positioning block, and the hand wheel has a positioning hole for the positioning block to pass through.
  • the hand wheel includes a top ring and a bottom ring that are both ring-shaped, the top ring has a positioning hole in the middle, and the top ring and the bottom ring are symmetrically arranged by two pieces
  • the connecting ribs are connected into one body.
  • the top of the connecting seat has an axially extending extension
  • the inner wall of the extension has an internal thread for the housing to be threaded
  • the outer wall of the extension is a tapered surface
  • the inner wall of the bottom ring is a tapered surface that matches the tapered surface.
  • the outer wall of the bottom end of the housing has a plurality of annular grooves
  • the pressure plate has a connecting part that is cylindrical and covers the outer wall of the bottom end of the housing, and the connecting part
  • the inner wall has a radially protruding convex ring embedded in each annular groove. Insert the bottom end of the shell into the connecting part so that the convex ring and the annular groove are matched, and the shell and the pressure plate are connected conveniently and firmly.
  • the top surface of the pressure plate is embedded with a gasket sealed at the bottom end of the housing.
  • the sealing gasket makes the bottom end of the shell and the pressure plate have good sealing performance, and when the shell and the pressure plate are assembled, it plays a role of buffering and damping, avoiding the damage of the bottom end of the shell, and improving the yield.
  • the bottom end of the pressure plate has an axially extending reduced diameter section 1 and a reduced diameter section two, and the reduced diameter section two is located below the reduced diameter section 1.
  • the outer diameter of the pressure plate is smaller than the outer diameter of the pressure plate and the outer diameter of the reduced diameter section one is greater than the outer diameter of the reduced diameter section two.
  • the outer wall of the reduced diameter section 1 transitions to the reduced diameter section two through a tapered surface.
  • the outer diameter is larger than the outer diameter of the reduced diameter section two.
  • the outer wall of the connecting seat is embedded with a sealing ring one
  • the bottom end of the pressure plate is embedded with a sealing ring two
  • the housing is embedded with at least two sealing rings that are connected to the The sealing ring on the inner wall of the seat III.
  • Sealing ring one guarantees the sealing performance between the connecting seat and the manifold
  • sealing ring two guarantees the sealing performance of the pressure plate and the valve seat at the outlet end of the diverter
  • sealing ring three guarantees the sealing performance between the housing and the connecting seat. , Good sealing performance everywhere, high flow adjustment accuracy.
  • the indicator block is located on the top of the flow indicator rod and the two are connected as a whole.
  • the middle of the flow indicator rod has a shoulder, and the top of the spring abuts against the shoulder.
  • the bottom end is against the pressure plate.
  • the flow meter for the water separator has a compact structure, a small volume, convenient operation, convenient flow adjustment, and high adjustment accuracy.
  • Fig. 1 is a three-dimensional structure diagram of the flow meter for the water trap.
  • Figure 2 is a diagram of a state of use of the flow meter for the water trap.
  • Fig. 3 is a cross-sectional view of the structure of the flow meter for the water trap.
  • the flow meter for the water trap includes a connecting seat 1, a casing 2, a flow indicating rod 3 and a spring 4.
  • the casing 2 is a transparent plastic tube or a glass tube, and the casing 2 is provided with a flow rate Scale 5.
  • the flow indicating rod 3 is located in the housing 2 and the spring 4 is sleeved on the flow rod.
  • the flow indicating rod 3 has an indicating block 6 which is located on the top of the flow indicating rod 3 and the two are connected together.
  • the flow indicating rod 3 has a shoulder 31 in the middle, the top end of the spring 4 abuts against the shoulder 31, the bottom end of the spring 4 abuts against the pressure plate 7, the housing 2 axially penetrates the connecting seat 1, and the housing 2 is threadedly connected with the connecting seat 1.
  • a pressure plate 7 is fixedly connected to the bottom end, the bottom end of the flow indicating rod 3 axially penetrates the pressure plate 7 and the bottom end of the flow indicating rod 3 is fixedly connected to a flow plate 8, and the spring 4 provides elastic force so that the flow indicating rod 3 always has the direction of the housing 2
  • the casing 2 is covered with a hand wheel 9 and the hand wheel 9 is positioned circumferentially with the casing 2, and the hand wheel 9 has a window exposing the flow scale 5.
  • the flow meter for this water separator eliminates the previous adjusting seat and lock cap, shortens the axial size, reduces the volume, and has a compact structure; in the flow meter for this water separator, the connecting seat 1 is connected with the water separator, and the pressure plate 7 is used To close the valve seat of the water outlet of the water separator, when the flow needs to be adjusted, no other tools are needed. Turn the hand wheel 9, which drives the housing 2 to rotate, and the housing 2 axially shifts to drive the pressure plate 7 to move closer to or away from the water separator.
  • the valve seat of the water outlet adjusts the opening degree of the water inlet and adjusts the flow rate. The flow rate adjustment is convenient and quick.
  • the flow of water flowing in between the pressure plate 7 and the valve seat of the water trap outlet acts on the flow plate 8, and the flow rate
  • the disc 8 and the flow indicator rod 3 overcome the elastic force of the spring 4 to move downwards in the axial direction.
  • the horizontal position of the indicator block 6 on the flow indicator rod 3 corresponds to the value on the flow scale 5, which means that the flow meter enters the substation through the flowmeter.
  • the water tank corresponds to the water flow in the water outlet; after adjusting the flow, just loosen the hand wheel 9 without other operations, and the housing 2 will not rotate again, ensuring the adjustment accuracy.
  • the top of the housing 2 has a block-shaped positioning block 21, and the hand wheel 9 has a positioning hole for the positioning block 21 to pass through.
  • the hand wheel 9 includes a top ring 91 and a bottom ring 92 that are both ring-shaped.
  • the top ring 91 has a positioning hole in the middle, and the top ring 91 and the bottom ring 92 are connected into one body by two symmetrically arranged connecting ribs 93.
  • the two connecting ribs 93 will not block the flow scale 5, that is, both sides of the two connecting ribs 93 are reserved windows for the flow scale 5 to be exposed.
  • the positioning block 21 and the positioning block 21 make the structure simple and realize the circumferential positioning of the hand wheel 9 and the housing 2.
  • the hand wheel 9 can be removed in order to avoid interference. Afterwards, hold the hand wheel 9 so that the positioning block 21 can pass through the positioning hole.
  • Turning the hand wheel 9 can drive the housing 2 to rotate and adjust the flow rate, which is easy to apply force and has good controllability. After the flow rate is adjusted, the hand wheel 9 can be set again. Outside the housing 2, or directly take the hand wheel 9 away to prevent others from misadjusting the flow.
  • the top surface of the pressure plate 7 is embedded with a gasket 10 sealed at the bottom end of the housing 2; in order to avoid interference and affect the adjustment accuracy, the bottom end of the pressure plate 7 has an axial expansion contraction.
  • Diameter section one 73 and reduced diameter section two 74 and reduced diameter section two 74 are located below reduced diameter section one 73, the outer diameter of reduced diameter section one 73 is smaller than the outer diameter of the pressure plate 7 and the outer diameter of reduced diameter section 73 is greater than the reduced diameter section
  • a sealing ring 12 is embedded, the bottom end of the pressing plate 7 is embedded with a sealing ring two 13, and the housing 2 is embedded with two sealing rings three 14 that are sealed on the inner wall of the connecting seat 1; for the convenience and firmness of the connection, the bottom of the housing 2
  • the outer wall of the end has two annular grooves, the pressure plate 7 has a connecting portion 71 that is cylindrical and covers the outer wall of the bottom end of the housing 2, and the inner wall of the
  • the top of the connecting seat 1 has an axially extending extension 11, the inner wall of the extension 11 has an internal thread for the housing 2 to be threaded, the outer wall of the extension 11 is a tapered surface, and the inner wall of the bottom ring 92 is a tapered matching the tapered surface surface.
  • the extension 11 ensures the flow adjustment range, so that the other inner walls of the connecting seat 1 have sufficient guiding length, so that the axial displacement of the housing 2 is stable when the housing 2 is rotated, and the adjustment accuracy is high.
  • the ring 92 is sleeved outside the extension portion 11, and the tapered surface and the tapered surface are matched, so that even if the handwheel 9 is subjected to a certain impact during transportation or use, it is not easy to fall off from the housing 2.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Volume Flow (AREA)

Abstract

La présente invention concerne un débitmètre destiné à être utilisé dans un collecteur comprenant une base de raccordement (1), un logement (2), une tige d'indicateur de débit (3) et un ressort (4). Une échelle de graduation de débit (5) est disposée sur le logement (2). La tige d'indicateur de débit (3) est disposée dans le logement (2), le ressort (4) est emmanché sur la tige d'indicateur de débit (3), et un bloc indicateur (6) est disposé sur la tige d'indicateur de débit (3). Le logement (2) traverse axialement la base de raccordement (1), et est raccordé par vissage à la base de raccordement (1). Une plaque de pression (7) est raccordée à demeure à une extrémité inférieure du logement (2). Une extrémité inférieure de la tige d'indicateur de débit (3) pénètre axialement dans la plaque de pression (7), et est raccordée à demeure à un disque de débit (8). Le ressort (4) fournit une force élastique, de telle sorte que la tige d'indicateur de débit (3) a toujours tendance à se déplacer vers le haut du logement (2). Un volant de commande (9) est emmanché sur le logement (2), et est positionné de manière circonférentielle par rapport au logement (2). Le volant de commande (9) présente une fenêtre rendant visible l'échelle de graduation de débit (5).
PCT/CN2020/119840 2019-10-12 2020-10-07 Débitmètre destiné à être utilisé dans un collecteur WO2021068862A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201921705824.3 2019-10-12
CN201921705824.3U CN210623767U (zh) 2019-10-12 2019-10-12 分水器用流量计

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WO2021068862A1 true WO2021068862A1 (fr) 2021-04-15

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PCT/CN2020/119840 WO2021068862A1 (fr) 2019-10-12 2020-10-07 Débitmètre destiné à être utilisé dans un collecteur

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WO (1) WO2021068862A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210623767U (zh) * 2019-10-12 2020-05-26 浙江鑫帆暖通智控股份有限公司 分水器用流量计

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29806215U1 (de) * 1998-04-04 1999-07-29 Dumser Metallbau Gmbh & Co Kg Vorrichtung zum Anzeigen und Begrenzen der Durchflußmengen für einen Heizkreislauf
CN105822823A (zh) * 2016-05-30 2016-08-03 郑州博容节能设备有限公司 一种流量调节阀门手轮及具有该手轮的温控阀和分水器
CN206054849U (zh) * 2016-08-31 2017-03-29 台州永信阀门有限公司 一种具有调压阀的分水器
CN208595292U (zh) * 2018-08-07 2019-03-12 浙江达柏林阀门有限公司 一种具备流量监测功能的分水器
CN210623767U (zh) * 2019-10-12 2020-05-26 浙江鑫帆暖通智控股份有限公司 分水器用流量计

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29806215U1 (de) * 1998-04-04 1999-07-29 Dumser Metallbau Gmbh & Co Kg Vorrichtung zum Anzeigen und Begrenzen der Durchflußmengen für einen Heizkreislauf
CN105822823A (zh) * 2016-05-30 2016-08-03 郑州博容节能设备有限公司 一种流量调节阀门手轮及具有该手轮的温控阀和分水器
CN206054849U (zh) * 2016-08-31 2017-03-29 台州永信阀门有限公司 一种具有调压阀的分水器
CN208595292U (zh) * 2018-08-07 2019-03-12 浙江达柏林阀门有限公司 一种具备流量监测功能的分水器
CN210623767U (zh) * 2019-10-12 2020-05-26 浙江鑫帆暖通智控股份有限公司 分水器用流量计

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