CN203926818U - Quiescent flow equilibrium valve - Google Patents

Quiescent flow equilibrium valve Download PDF

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Publication number
CN203926818U
CN203926818U CN201420328270.0U CN201420328270U CN203926818U CN 203926818 U CN203926818 U CN 203926818U CN 201420328270 U CN201420328270 U CN 201420328270U CN 203926818 U CN203926818 U CN 203926818U
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CN
China
Prior art keywords
valve
handwheel
flap
flow equilibrium
dial
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Expired - Lifetime
Application number
CN201420328270.0U
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Chinese (zh)
Inventor
周晓普
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Ningbo Amico Copper Valves Manufacturing Co Ltd
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Ningbo Amico Copper Valves Manufacturing Co Ltd
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Priority to CN201420328270.0U priority Critical patent/CN203926818U/en
Application granted granted Critical
Publication of CN203926818U publication Critical patent/CN203926818U/en
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Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a kind of quiescent flow equilibrium valve, belong to a kind of pipeline valve damming for medium in plumbing technical field that is applied to, its structure comprises valve body, flap, valve seat, valve rod, valve gap and handwheel etc., mainly that flap underpart is made as to equal percentage structure, it can make the regulation of each circle of valve be in equal proportions, Flow-rate adjustment is convenient, and on valve body, be also provided with the pressure measuring tie-in that lays respectively at flap both sides, can utilize venture tube to record current valve flow, make the Flow-rate adjustment of valve more accurate; Simultaneously, valve body adopts direct current type structure, the resistance that fluid flows through is reduced, and design scale handwheel is adjusted, the numerical value of each circle aperture of handwheel shows in the accuracy rating that all can be controlled in 0.01, this makes the advantages such as the Flow-rate adjustment of valve is more accurately reliable, and the quiescent flow equilibrium valve after improvement also has reasonable in design, rapid operation, sealing is reliable, cost of production is low.

Description

Quiescent flow equilibrium valve
Technical field
The utility model relates to a kind of pipeline valve structure of damming for medium, refers in particular to quiescent flow equilibrium valve.
Background technique
Quiescent flow equilibrium valve is applied to water conservancy system mostly, and it is the flow of the each branch road of balance sysmte or each end accurately, to ensure the true(-)running of system operating mode, for system provides maximum hot comfort, reduces energy consumption to greatest extent.At present, quiescent flow equilibrium valve adopts linear structure design conventionally, and carry out the output flow of control valve in conjunction with handwheel devices, this structure manufacture is simple, cost is lower, but it is slightly not enough to the adjusting control aspect of flow, owing to adopting linear structure to make valve often open the adjusting ratio difference of a circle, can cause the adjusting ratio of a wherein circle aperture of valve too small, adjust flux difficulty, the number of turns scale demonstration of opening of handwheel is not the degree of regulation that very accurately affects valve in addition.Therefore,, for the existing defect of existing quiescent flow equilibrium valve and deficiency, design a kind of simple in structure, easy to operate, accurate a kind of quiescent flow equilibrium valve of flow control and be extremely necessary.
Summary of the invention
Goal of the invention of the present utility model is to overcome the defect of prior art and a kind of rational in infrastructure, rapid operation, sealing is reliable, Flow-rate adjustment is accurate, cost of production is low quiescent flow equilibrium valve is provided.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of quiescent flow equilibrium valve, comprises valve body, valve gap, flap, valve rod and handwheel; Described valve body two ends are provided with the entrance point and the outlet end that interconnect, between inlet/outlet end, are provided with valve seat; Described flap end face is provided with axis hole, and this axis hole is threaded with valve rod lower end, and flap underpart is sealed and matched on valve seat; Described valve rod upper end is connected with handwheel through the valve gap being arranged on valve body, described flap underpart cross section ovalize, and this flap underpart is made as equal percentage structure; Described valve body is provided with and seals respectively the pressure measuring tie-in that is arranged on flap both sides.
In described axis hole, be provided with hard-wired positioning rod, be provided with along valve rod shaft axis and extend the positioning hole connecting in described valve rod, this positioning hole lower end is moved by valve rod and is equipped with positioning rod formation geocoded activity; In the positioning hole of valve rod upper end, be provided with adjusting bolt.
Described flap underpart is provided with the seal ring that contacts sealing with described valve seat.
Spring and " O " RunddichtringO that between described valve rod and valve gap, being provided with is sealed and matched installs.
Described handwheel is scale handwheel, is provided with indicating sleeve and the dial that is arranged on indicating sleeve one side in this handwheel; Described indicating sleeve lower end positioning assembling is on valve gap, and indicating sleeve movable upper end is sleeved in handwheel, is provided with 0 to 9 scale marker at indicating sleeve end face; Described dial is rotatably installed in handwheel, and this dial end face is provided with 0 to 4 numeral identification; Described indicating sleeve outer peripheral surface is provided with driving lever, correspondingly on dial outer peripheral surface, is provided with multiple grooves equipped with driving lever respectively.
Positioning assembling structure between described indicating sleeve lower end and valve gap is that valve gap top is provided with six posts, corresponding being provided with in indicating sleeve lower end and six faces of described six post positioning assemblings.
The rotation mounting structure of described dial in handwheel is in handwheel, to be provided with a rotating shaft, and described dial is rotatably installed in this rotating shaft, is also provided with the capping of the described dial of sealing in handwheel bottom surface.
Described handwheel end face is provided with the digital number of turns indication window of opening on the aperture position indication window of the scale marker on corresponding instruction indicating sleeve and corresponding indication dial disc.
Transmission connecting structure between described valve rod upper end and handwheel is that valve rod upper end is made as splined shaft, and corresponding being provided with on handwheel with described splined shaft forms the equipped splined hole of transmission, is also provided with the dust cover of sealing valve rod upper end in this splined hole.
Described valve body is direct current type structure, and entrance point and the outlet end at described valve body two ends are respectively equipped with screw connection structure.
Compared with prior art, the utility model is mainly that flap underpart is made as to equal percentage structure, it can make the regulation of each circle of valve be in equal proportions, Flow-rate adjustment is convenient, and on valve body, be also provided with the pressure measuring tie-in that lays respectively at flap both sides, can utilize venture tube to record current valve flow, make the Flow-rate adjustment of valve more accurate; Simultaneously, valve body adopts direct current type structure, the resistance that fluid flows through is reduced, and design scale handwheel is adjusted, the numerical value of each circle aperture of handwheel shows in the accuracy rating that all can be controlled in 0.01, this makes the advantages such as the Flow-rate adjustment of valve is more accurately reliable, and the quiescent flow equilibrium valve after improvement also has reasonable in design, rapid operation, sealing is reliable, cost of production is low.
Brief description of the drawings
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the sectional structure schematic diagram of flap.
Fig. 3 is the sectional structure schematic diagram of handwheel.
Fig. 4 is the plan view of Fig. 3.
Fig. 5 is the structural representation of indicating sleeve.
Fig. 6 is the plan view of Fig. 5.
Embodiment
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Figures 1 to 6,1. valve body, 2. flap, 21. axis holes, 22. positioning rods, 23. seal rings, 3. valve rod, 31. positioning holes, 4. " O " RunddichtringO, 5. spring, 6. adjusting bolt, 7. dial, 8. handwheel, 81. aperture position indication windows, 82. leave number of turns indication window, 9. dust cover, 10. indicating sleeve, 101. driving levers, 102. scale markers, 11. valve gaps, 12. valve seats, 13. pressure measuring tie-ins, 14. cappings.
Quiescent flow equilibrium valve, as shown in Figure 1, it is a kind of pipeline valve structure of damming for medium, is to be mainly made up of valve body 1, flap 2, valve gap 11, valve rod 3 and handwheel 8 etc.
Described valve body 1 adopts horizontal DC formula structural design, be respectively equipped with entrance point and outlet end that level is communicated with at valve body two ends, and Figure 1 shows that example, valve body 1 left end is made as to entrance point, right-hand member is made as outlet end, this inlet/outlet end is respectively equipped with screw connection structure, can be used for installing for external pipe; Between described inlet/outlet end, be provided with and be " " valve seat 12 of type, the line between the shaft axis of this valve seat and inlet/outlet end is angle.
Described valve body 1 end face is provided with the valve gap 11 that thread seal is installed, and this valve gap bottom is provided with to the extension pipe box of valve body 1 interior extension, and forms inner face in extension pipe box.
Described flap 2 as shown in Figure 2, it is to contact on valve seat 12 as the keying element sealing of inlet/outlet end, these flap 2 underpart cross section ovalizes, and be made as equal percentage structure, be also provided with in flap 2 underparts with valve seat 12 and form the seal ring 23 that contacts sealing; The interior guiding that also forms of inner face of valve gap 11 is stretched in described flap 2 upper end portions; Described flap 2 end faces are provided with axis hole 21, are provided with and axis hole coaxial inner conductor hard-wired positioning rod 22 in this axis hole; The described upper and lower both sides of flap 2 are respectively equipped with sealing and are arranged on pressure measuring tie-in 13 on valve body 1, and the pressure reduction that these two pressure measuring tie-ins can be used for measuring flap 2 both sides records current flow number.
Described valve rod 3 lower ends are threaded in the axis hole 21 of flap 2, valve rod 3 upper ends are connected with handwheel 8 through valve gap 11, therefore operation handwheel can be with ovable valve stem 3 to rotate, and then rotatablely moving of valve rod changed into and drive the shaft axis of flap 2 relative valve seats 12 to do line seal keying motion; In described valve rod 3, be provided with along valve rod shaft axis and extend the positioning hole 31 connecting, the positioning hole of this valve rod lower end can be moved by valve rod 3 and to form geocoded activity equipped with positioning rod 22, in the positioning hole 31 of valve rod 3 upper ends, be provided with adjusting bolt 6, rotate for regulating valve stem 3 movement travel that drives flap 2 to move; Spring 5 and " O " RunddichtringO 4 can be set to form the installation that is sealed and matched between the two between described valve rod 3 and valve gap 11.
Transmission connecting structure between described valve rod 3 upper ends and handwheel 8 is that valve rod 3 upper ends are made as splined shaft, corresponding being provided with on handwheel 8 with described splined shaft forms the equipped splined hole of transmission, in this splined hole, be also provided with the dust cover 9 of sealing valve rod 3 upper ends, can be used for dustproof and aesthetic appearance.
Described handwheel 8 is scale handwheel as shown in Figure 3, Figure 4, is provided with indicating sleeve 10 and the dial 7 that is arranged on indicating sleeve one side in this handwheel; Between described indicating sleeve 10 lower ends and valve gap 11, form positioning assembling respectively by equipped mutually six faces and six posts, indicating sleeve 10 movable upper ends are sleeved in handwheel 8, and hand wheel rotating can not drive indicating sleeve 10 to do synchronous rotation; As shown in Figure 5, Figure 6, its end face is provided with 0 to 9 scale marker 102 to described indicating sleeve 10, to represent the aperture position of handwheel 8; Described indicating sleeve 10 outer peripheral surfaces are provided with a driving lever 101.
Described dial 7 is arranged in the disjunctor rotating shaft in handwheel 8, therefore can form free rotation; Also in handwheel 8 bottom surfaces, capping 14 is set, so that dial 7 is enclosed in handwheel 8 simultaneously; Described dial 7 end faces are provided with 0 to 4 numeral identification, respectively corresponding handwheel 8 aperture positions open the number of turns; Described dial 7 outer peripheral surfaces are provided with multiple grooves, can be equipped with the driving lever 101 of indicating sleeve 10 respectively, and be subject to driving lever 101 to drive rotation.
What described handwheel 8 end faces were provided with numeral identification on aperture position indication window 81 and the corresponding indication dial disc 7 of the scale marker 102 on corresponding instruction indicating sleeve 10 opens number of turns indication window 82, to facilitate observation.
Working principle of the present utility model is to drive by rotating handwheel 8 the aperture position that regulates flap 2, thereby the size of control valve flow output, its degree of regulation can reach 0.01, on valve body 1, be provided with two pressure measuring tie-ins 13 that are positioned at flap 2 both sides, record present flow rate, reach the design load requirement of system in conjunction with the adjusting of handwheel 8.

Claims (10)

1. a quiescent flow equilibrium valve, comprises valve body (1), valve gap (11), flap (2), valve rod (3) and handwheel (8); Described valve body (1) two ends are provided with the entrance point and the outlet end that interconnect, are provided with valve seat (12) between inlet/outlet end; Described flap (2) end face is provided with axis hole (21), and this axis hole is threaded with valve rod (3) lower end, and flap (2) underpart is sealed and matched on valve seat (12); Described valve rod (3) upper end is connected with handwheel (8) through the valve gap (11) being arranged on valve body (1), it is characterized in that described flap (2) underpart cross section ovalize, and this flap (2) underpart is made as equal percentage structure; Described valve body (1) is provided with and seals respectively the pressure measuring tie-in (13) that is arranged on flap (2) both sides.
2. quiescent flow equilibrium valve according to claim 1, it is characterized in that being provided with hard-wired positioning rod (22) in described axis hole (21), in described valve rod (3), be provided with along valve rod shaft axis and extend the positioning hole (31) connecting, this positioning hole (31) lower end is subject to valve rod (3) mobile and equipped with positioning rod (22) formation geocoded activity; In the positioning hole (31) of valve rod (3) upper end, be provided with adjusting bolt (6).
3. quiescent flow equilibrium valve according to claim 1 and 2, is characterized in that described flap (2) underpart is provided with the seal ring (23) that contacts sealing with described valve seat (12).
4. quiescent flow equilibrium valve according to claim 1 and 2, is provided with spring (5) and " O " RunddichtringO (4) of being sealed and matched and installing between the valve rod (3) described in it is characterized in that and valve gap (11).
5. quiescent flow equilibrium valve according to claim 1 and 2, is characterized in that described handwheel (8) is scale handwheel, is provided with indicating sleeve (10) and is arranged on the dial (7) of indicating sleeve one side in this handwheel; Described indicating sleeve (10) lower end positioning assembling is upper at valve gap (11), and indicating sleeve (10) movable upper end is sleeved in handwheel (8), is provided with 0 to 9 scale marker (102) at indicating sleeve (10) end face; Described dial (7) is rotatably installed in handwheel (8), and this dial (7) end face is provided with 0 to 4 numeral identification; Described indicating sleeve (10) outer peripheral surface is provided with driving lever (101), correspondingly on dial (7) outer peripheral surface, is provided with multiple grooves equipped with driving lever (101) respectively.
6. quiescent flow equilibrium valve according to claim 5, it is characterized in that the positioning assembling structure between described indicating sleeve (10) lower end and valve gap (11) is that valve gap (11) top is provided with six posts, corresponding being provided with in indicating sleeve (10) lower end and six faces of described six post positioning assemblings.
7. quiescent flow equilibrium valve according to claim 5, it is characterized in that the rotation mounting structure of described dial (7) in handwheel (8) is in handwheel (8), to be provided with a rotating shaft, described dial (7) is rotatably installed in this rotating shaft, is also provided with the capping (14) of the described dial of sealing (7) in handwheel (8) bottom surface.
8. quiescent flow equilibrium valve according to claim 5, is characterized in that described handwheel (8) end face is provided with the digital number of turns indication window (82) of opening on the aperture position indication window (81) of the scale marker (102) on corresponding instruction indicating sleeve (10) and corresponding indication dial disc (7).
9. quiescent flow equilibrium valve according to claim 1 and 2, it is characterized in that the transmission connecting structure between described valve rod (3) upper end and handwheel (8) is that valve rod (3) upper end is made as splined shaft, corresponding being provided with on handwheel (8) with described splined shaft forms the equipped splined hole of transmission, is also provided with the dust cover (9) of sealing valve rod (3) upper end in this splined hole.
10. quiescent flow equilibrium valve according to claim 1 and 2, is characterized in that described valve body (1) is for direct current type structure, and entrance point and the outlet end at described valve body (1) two ends are respectively equipped with screw connection structure.
CN201420328270.0U 2014-06-19 2014-06-19 Quiescent flow equilibrium valve Expired - Lifetime CN203926818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420328270.0U CN203926818U (en) 2014-06-19 2014-06-19 Quiescent flow equilibrium valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420328270.0U CN203926818U (en) 2014-06-19 2014-06-19 Quiescent flow equilibrium valve

Publications (1)

Publication Number Publication Date
CN203926818U true CN203926818U (en) 2014-11-05

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Application Number Title Priority Date Filing Date
CN201420328270.0U Expired - Lifetime CN203926818U (en) 2014-06-19 2014-06-19 Quiescent flow equilibrium valve

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104329506A (en) * 2014-11-06 2015-02-04 宁波埃美柯铜阀门有限公司 Constant-temperature balance valve for hot water circulating system
CN111853339A (en) * 2020-07-27 2020-10-30 宁波华成阀门有限公司 Flowmeter type balance valve and flow adjusting method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104329506A (en) * 2014-11-06 2015-02-04 宁波埃美柯铜阀门有限公司 Constant-temperature balance valve for hot water circulating system
CN104329506B (en) * 2014-11-06 2016-08-24 宁波埃美柯铜阀门有限公司 Hot water cyclesystem constant temperature balanced valve
CN111853339A (en) * 2020-07-27 2020-10-30 宁波华成阀门有限公司 Flowmeter type balance valve and flow adjusting method thereof

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