CN206816934U - A kind of choke valve for being easy to flow constant - Google Patents

A kind of choke valve for being easy to flow constant Download PDF

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Publication number
CN206816934U
CN206816934U CN201720654423.4U CN201720654423U CN206816934U CN 206816934 U CN206816934 U CN 206816934U CN 201720654423 U CN201720654423 U CN 201720654423U CN 206816934 U CN206816934 U CN 206816934U
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CN
China
Prior art keywords
spacer
gland
piston
screw mandrel
easy
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201720654423.4U
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Chinese (zh)
Inventor
范景东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nuclear Safety Nuclear Power Equipment Technology Co Ltd
Original Assignee
Individual
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
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Priority to CN201720654423.4U priority Critical patent/CN206816934U/en
Application granted granted Critical
Publication of CN206816934U publication Critical patent/CN206816934U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

It the utility model is related to choke valve,It is specifically related to a kind of choke valve for being easy to flow constant,Including valve body,Spacer,Spring,Gland,Piston,Movable axis,Rotating handles and O-ring seal,The valve body upper end is provided with spacer installation cavity,The spacer installation cavity lower end is provided with plunger shaft,The plunger shaft bottom is provided with fluid hole,Inlet opening is provided with below the valve body right-hand member,Connected between the plunger shaft and inlet opening by liquid-through hole,Spacer is movably installed with the spacer installation cavity,Spring is arranged with the spacer,The spring top is held out against in gland lower end,The gland is by being threaded in the top of spacer installation cavity,Piston upper end described in piston is installed in the plunger shaft and is fixedly connected with screw mandrel,The screw mandrel runs through spacer and gland,By being threadedly coupled between the screw mandrel and gland,The screw mandrel top is provided with groove.The utility model is rational in infrastructure, and control flow is convenient, simple to operate, practical.

Description

A kind of choke valve for being easy to flow constant
Technical field
Choke valve is the utility model is related to, is specifically related to a kind of choke valve for being easy to flow constant.
Background technology
Choke valve is by changing throttling section or chock length to control the valve of fluid flow, needing to use sometimes To a kind of valve, liquid can be exactly allowed usually to need liquid at a constant flow rate always with specific flow by valve For long flow regime, enlargement discharge in particular cases is needed again, when controlling fluid flow, control is not existing choke valve Very accurate, flow is small not to reach the requirement used, and flow is big and can waste liquid, therefore, it is proposed that one kind is easy to flow Measure constant choke valve.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of choke valve for being easy to flow constant, solves existing Choke valve can not control flow well, the problem of easily causing fluid waste.
In order to solve the above technical problems, the utility model provides following technical scheme:A kind of throttling for being easy to flow constant Valve, including valve body, spacer, spring, gland, piston, movable axis, rotating handles and O-ring seal, the valve body upper end be provided with every Installation cavity is covered, the spacer installation cavity lower end is provided with plunger shaft, and the plunger shaft bottom is provided with fluid hole, under the valve body right-hand member Side is provided with inlet opening, is connected by liquid-through hole between the plunger shaft and inlet opening, is movably installed with the spacer installation cavity Spacer, spring is arranged with the spacer, the spring top is held out against in gland lower end, and the gland is by being threaded in spacer The top of installation cavity, piston is provided with the plunger shaft, and the piston is provided with O circle grooves, is provided with the O circles groove O-ring seal, the piston upper end are fixedly connected with screw mandrel, and the screw mandrel runs through spacer and gland, the screw mandrel and gland it Between by being threadedly coupled, the screw mandrel top is provided with groove, and rotating handles is connected with by movable axis in the groove.
On the basis of such scheme, the spacer is slidably matched with spacer installation cavity.
On the basis of such scheme, the piston is slidably matched with plunger shaft.
On the basis of such scheme, the piston bottom end is taper, and the conical surface of the taper is held out against on the top of fluid hole.
On the basis of such scheme, gap is provided between screw mandrel and the spacer endoporus.
On the basis of such scheme, the rotating handles is provided with two, and two rotating handleses are respectively by movable axis The heart is symmetrically movably arranged in groove, and the rotating handles is provided with long-armed and galianconism.
The utility model has an advantageous effect in that compared with prior art:A kind of choke valve for being easy to flow constant, is adopted With new structure, there is provided spacer and spring, is also provided with two kinds of arm of forces for turning screw mandrel for rotating handles, uses short rotation The handle arm of force, accurately choke valve can be controlled to open very, it is the flow just needed to make by the uninterrupted of liquid, will not Liquid is wasted, under special circumstances, using the long rotating handles arm of force, valve can be opened completely, greatly facilitate people Use, while also save liquid, the utility model is rational in infrastructure, and control flow is convenient, simple to operate, practical.
Brief description of the drawings
Fig. 1 is a kind of throttle-valve structure schematic diagram for being easy to flow constant of the utility model;
Fig. 2 is a kind of valve body structure schematic diagram for being easy to the constant choke valve of flow of the utility model;
Fig. 3 is a kind of spacer structure schematic diagram for being easy to the constant choke valve of flow of the utility model;
Fig. 4 is a kind of gland structure schematic diagram for being easy to the constant choke valve of flow of the utility model;
Fig. 5 is a kind of piston structure schematic diagram for being easy to the constant choke valve of flow of the utility model;
Fig. 6 is a kind of rotating handles structural representation for being easy to the constant choke valve of flow of the utility model;
Fig. 7 is a kind of normally-open structural representation using constant flow rate of choke valve for being easy to flow constant of the utility model Figure;
Fig. 8 is a kind of structural representation for being easy to the constant choke valve of flow in particular cases standard-sized sheet of the utility model.
In figure marked as:1- valve bodies, 101- spacers installation cavity, 102- plunger shafts, 103- liquid-through holes, 104- fluid holes, 105- inlet openings, 2- spacers, 3- springs, 4- glands, 5- pistons, 501-O circles groove, 502- screw mandrels, 503- grooves, 6- activities Axle, 7- rotating handleses, 8-O type sealing rings.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining The utility model, it is not used to limit the utility model.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ", The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on Orientation shown in the drawings or position relationship, it is for only for ease of description the utility model, rather than instruction or the dress for implying meaning Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Limitation.
Understood referring to figs. 1 to Fig. 8:A kind of choke valve for being easy to flow constant, including valve body 1, spacer 2, spring 3, gland 4th, piston 5, movable axis 6, rotating handles 7 and O-ring seal 8, the upper end of valve body 1 are provided with spacer installation cavity 101, the spacer The lower end of installation cavity 101 is provided with plunger shaft 102, and the bottom of plunger shaft 102 is provided with fluid hole 104, set below the right-hand member of valve body 1 There is inlet opening 105, connected between the plunger shaft 102 and inlet opening 105 by liquid-through hole 103, in the spacer installation cavity 101 Spacer 2 is movably installed with, spring 3 is arranged with the spacer 2, the top of spring 3 is held out against in the lower end of gland 4, the gland 4 By being threaded in the top of spacer installation cavity 101, piston 5 is installed in the plunger shaft 102, the piston 5 encloses provided with O Groove 501, the O are enclosed in groove 501 and are provided with O-ring seal 8, and the upper end of piston 5 is fixedly connected with screw mandrel 502, described Screw mandrel 502 runs through spacer 2 and gland 4, and by being threadedly coupled between the screw mandrel 502 and gland 4, the top of screw mandrel 502 is provided with Groove 503, the groove 503 is interior to be connected with rotating handles 7 by movable axis 6.
The spacer 2 is slidably matched with spacer installation cavity 101, facilitates spacer 2 to be moved in spacer installation cavity 101, described Piston 5 is slidably matched with plunger shaft 102, is easy to piston 5 to be moved in plunger shaft 102, and the bottom of piston 5 is taper, described The conical surface of taper is held out against on the top of fluid hole 104, can play a part of blocking liquid flowing, the screw mandrel 502 with spacer 2 Gap is provided between hole, is easy to screw mandrel 502 to be moved in spacer 2, the rotating handles 7 is provided with two, two rotation handles Hand 7 is movably arranged in groove 503 by the Central Symmetry of movable axis 6 respectively, and rotating handles 7 can be described in the internal rotation of groove 503 Rotating handles 7 is provided with long-armed and galianconism, is easy to turn screw mandrel 502.
Principle and advantage of the present utility model:Before being different from, the structure of former choke valve is changed, can be direct Choke valve is opened at required uninterrupted, in use, liquid enters from inlet opening 105, flowed to by liquid-through hole 103 At fluid hole 104, rotating handles 7 is turned, now the galianconism of rotating handles 7 is exposed, long-armed to be stuck in groove 503, Screw mandrel 502 is turned using the galianconism of rotating handles 7, allows piston 5 to move up, after piston 5 holds out against 2 bottom of spacer, due to spring 3 Elastic force, piston 5 is held out against can not move up in the bottom of spacer 2, and the galianconism of rotating handles 7 can not turn screw mandrel 502, now fluid hole 104 flow is the flow just needed, and the long-armed of rotating handles 7 also exposes gland 4, will when special circumstances occur Two rotating handleses 7 spin up 90 degree outward, then screw mandrel 502 are turned with the long-armed of rotating handles 7, until fully open valve Door, the utility model is simple and reasonable, and using effect is good, is adapted to promote the use of.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (6)

1. a kind of choke valve for being easy to flow constant, including valve body (1), spacer (2), spring (3), gland (4), piston (5), work Moving axis (6), rotating handles (7) and O-ring seal (8), it is characterised in that:Valve body (1) upper end is provided with spacer installation cavity (101), spacer installation cavity (101) lower end is provided with plunger shaft (102), and plunger shaft (102) bottom is provided with fluid hole (104) inlet opening (105), is provided with below valve body (1) right-hand member, is passed through between the plunger shaft (102) and inlet opening (105) Liquid-through hole (103) connects, and is movably installed with spacer (2) in the spacer installation cavity (101), bullet is arranged with the spacer (2) Spring (3), spring (3) top are held out against in gland (4) lower end, and the gland (4) is by being threaded in spacer installation cavity (101) Top, piston (5) is installed, the piston (5) is provided with O circle grooves (501), and the O circles are recessed in the plunger shaft (102) O-ring seal (8) is installed in groove (501), piston (5) upper end is fixedly connected with screw mandrel (502), the screw mandrel (502) Through spacer (2) and gland (4), by being threadedly coupled between the screw mandrel (502) and gland (4), screw mandrel (502) top is set There is groove (503), the groove (503) is interior to be connected with rotating handles (7) by movable axis (6).
A kind of 2. choke valve for being easy to flow constant according to claim 1, it is characterised in that the spacer (2) with every Set installation cavity (101) is slidably matched.
3. a kind of choke valve for being easy to flow constant according to claim 1, it is characterised in that the piston (5) is with living Plug chamber (102) is slidably matched.
A kind of 4. choke valve for being easy to flow constant according to claim 1, it is characterised in that piston (5) bottom For taper, the conical surface of the taper is held out against on the top of fluid hole (104).
A kind of 5. choke valve for being easy to flow constant according to claim 1, it is characterised in that the screw mandrel (502) with Gap is provided between spacer (2) endoporus.
A kind of 6. choke valve for being easy to flow constant according to claim 1, it is characterised in that the rotating handles (7) Provided with two, two rotating handleses (7) are movably arranged in groove (503) by movable axis (6) Central Symmetry respectively, described Rotating handles (7) is provided with long-armed and galianconism.
CN201720654423.4U 2017-06-07 2017-06-07 A kind of choke valve for being easy to flow constant Expired - Fee Related CN206816934U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720654423.4U CN206816934U (en) 2017-06-07 2017-06-07 A kind of choke valve for being easy to flow constant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720654423.4U CN206816934U (en) 2017-06-07 2017-06-07 A kind of choke valve for being easy to flow constant

Publications (1)

Publication Number Publication Date
CN206816934U true CN206816934U (en) 2017-12-29

Family

ID=60758639

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720654423.4U Expired - Fee Related CN206816934U (en) 2017-06-07 2017-06-07 A kind of choke valve for being easy to flow constant

Country Status (1)

Country Link
CN (1) CN206816934U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110016695A (en) * 2019-05-27 2019-07-16 包头华鼎铜业发展有限公司 A kind of wet method electrolysis purifier changing electrolyte endless form

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110016695A (en) * 2019-05-27 2019-07-16 包头华鼎铜业发展有限公司 A kind of wet method electrolysis purifier changing electrolyte endless form

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180619

Address after: 325000 19-1 buildings of Lanshan yuan, Wan Ji Ou County, Qingtian County, Lishui, Zhejiang

Patentee after: Nuclear safety nuclear power equipment Technology Co., Ltd.

Address before: 325000 No. 33 Hecheng Middle Road, Hezhen Town, Qingtian, Lishui, Zhejiang

Patentee before: Fan Jingdong

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: 20171229

Termination date: 20210607