CN203847792U - Double-position adjustment balance valve - Google Patents
Double-position adjustment balance valve Download PDFInfo
- Publication number
- CN203847792U CN203847792U CN201420238061.7U CN201420238061U CN203847792U CN 203847792 U CN203847792 U CN 203847792U CN 201420238061 U CN201420238061 U CN 201420238061U CN 203847792 U CN203847792 U CN 203847792U
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- valve
- handwheel
- rod
- adjustment
- seat
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- 238000007789 sealing Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a double-position adjustment balance valve and relates to an adjustment valve structure for a heating, ventilating and water supplying system. The double-position adjustment balance valve is mainly composed of a valve body, a valve cover, a valve rod, a valve clack seat, a valve clack, a hole plate, a valve rod sleeve, a bush, a positioning rod, a hand wheel and the like. According to the double-position adjustment balance valve, the positioning rod is used for limiting the moving position, driven by the valve rod, of the valve clack so that when the valve clack is opened and the needed flow is adjusted, the positioning rod can be controlled to form contact positioning with the upper end of the valve rod to achieve the self-locking function and lock the adjustment aperture of the valve. Meanwhile, a double-valve-clack structure is adopted, in other words, an adjustment valve clack with a conical face is additionally arranged on the outer side of the valve clack, the more reliable sealing performance between the valve clack and the valve seat in the valve body can be ensured through the valve clack when the valve needs to be cut off and closed, and the adjustment valve clack with conicity can adjust the flow of the valve through changing of the aperture of the valve seat, the improved balance valve achieves double-position adjustment, and the double-position adjustment balance valve has the advantages of being simple in structural design, convenient to operate, accurate and reliable in flow balance adjustment and the like.
Description
Technical field
The utility model relates to a kind of HVAC and water system modulating valve, refers in particular to dibit adjustment valve.
Background technique
Equilibrium valve is for regulating and the valve of each branch road of balance sysmte or end loop flow.If a circulatory system cannot be set up correct balance, will cause flow distribution uneven, and occur that some local flows are superfluous, another place lacks the phenomenon of stream, cannot guarantee like this operation of end-equipment.Particularly, in heating, air-conditioning, water system, the system that should guarantee distributes and moves according to design discharge, offers again the comfort level of user's maximum and reaches best energy-saving effect, and equilibrium valve plays a part very large.At present, the basic casting of equilibrium valve on market, volume is large, complex structure, mostly by pressure reduction before and after measuring valve, carry out adjust flux, it is larger that degree of regulation is affected by the pressure surge of pipeline medium, and do not possess adjusting lock function, when valve need to block while closing, can not reach the reliable requirement of sealing.For the deficiencies in the prior art, design a kind of simple in structure, easy to operate, not only have break-in facility but also can accurate flow adjustment and lockable equilibrium valve be very necessary.
Summary of the invention
Goal of the invention of the present utility model is to overcome the defect of prior art and to provide a kind of simple in structure, easy to operate, flow equilibrium to regulate accurately reliable and with the dibit adjustment valve of auto-lock function.
Technical problem of the present utility model is achieved through the following technical solutions:
A dibit adjustment valve, comprises that valve body and sealing are arranged on the valve gap on valve body top; In described valve body, be provided with the entrance point and the outlet end that interconnect, between inlet/outlet end, be provided with valve seat; In described valve gap, be provided with the valve rod that movable sealing is installed, this valve rod lower end is provided with flap seat and the flap that is subject to stem movement and opens and closes, valve rod upper end is stretched in the endoporus of handwheel through valve gap, valve rod middle part is provided with spiral shell axle, between this spiral shell axle and valve gap, be made as and be threaded, in described handwheel endoporus, be provided with movable lining and the valve stem casing of installing; In described lining, be provided with upper and lower axially movable positioning rod, lining underpart is connected in valve stem casing; Between described valve stem casing upper end and the endoporus of handwheel, be in transmission connection, valve stem casing underpart rotating position is arranged on valve gap upper end, and described valve rod upper end is stretched in valve stem casing and is in transmission connection; Described positioning rod lower end contacts location with valve rod upper end.
Described flap seat underpart is provided with the adjacent adjusting flap that is arranged on flap outside, and the outer circumferential face of this adjusting flap is made as the conical surface.
Described flap seat upper-end surface is provided with attachment hole, and described valve rod lower end is fitted in this attachment hole, is also provided with the fixedly trim ring of valve rod lower end in attachment hole.
The rotating position mounting structure of described valve stem casing underpart in valve gap upper end is to be provided with mounting hole in valve gap upper end, and valve stem casing lower end is provided with convex shoulder, and this convex shoulder rotates and is fitted in mounting hole, is also provided with the back-up ring of location convex shoulder in mounting hole.
Described valve stem casing upper end and the transmission connecting structure between the endoporus of handwheel are to be provided with drive splines between valve stem casing upper end and the endoporus of handwheel; Described valve rod upper end and the transmission connecting structure between valve stem casing are that valve rod upper end is made as six posts, corresponding six faces that are equipped with six posts that are provided with in valve stem casing.
In described handwheel endoporus, be provided with interior shoulder, the corresponding outer shoulder being equipped with this interior shoulder that is provided with at lining outward.
Described handwheel lower end is provided with handwheel seat, between this handwheel and handwheel seat, is made as movable being fastened and connected, and described handwheel cover for seat is combined in valve gap upper end, is respectively equipped with equipped six faces and six posts that are connected between this handwheel seat and valve gap upper end.
Described positioning rod upper-end surface is provided with inner hexagonal hole.
Described handwheel end face is provided with the top cover of sealing endoporus, and handwheel is arranged with aperture numerical value outward and shows circle.
Described valve body entrance point is provided with orifice plate, and valve body is provided with the downhole joint that lays respectively at orifice plate both sides outward.
The utility model mainly provides a kind of structural design balancing valve structure more cleverly, it can limit the mobile position that valve rod drives flap by positioning rod, therefore when the flow needing is opened and be adjusted to flap, can handle positioning rod forms and contacts location with valve rod upper end, to realize auto-lock function, thus the adjusting aperture of Locked valve.Simultaneously, adopt Double-clack structure, in flap outside, set up one with the adjusting flap of the conical surface, this flap can need to block while closing at valve, can guarantee and valve body in valve seat between realize sealing more reliably, adjusting flap with tapering carrys out regulating valve flow by the change with valve seat aperture, and the equilibrium valve after improvement has been realized dibit adjusting, also has the advantages such as structural design is simple, easy to operate, flow equilibrium adjusting is accurate reliable.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the structural representation of valve rod.
Embodiment
To the utility model embodiment, elaborate again by above-mentioned accompanying drawing below.
As shown in Figure 1 to Figure 3,1. orifice plate, 2. valve body, 21. entrance points, 22. outlet end, 3. downhole joint, 4. valve rod, 41. 6 posts, 42. spiral shell axles, 5. valve gap, 6. back-up ring, 7. valve stem casing, 71. convex shoulders, 8. lining, 81. outer shoulders, 9. positioning rod, 10. handwheel, 101. top covers, 102. endoporus, 103. aperture numerical value show circles, 11. handwheel seats, 12. "O"-rings, 13. trim rings, 14. flap seats, 15. flaps, 16. adjusting flaps.
Dibit adjustment valve, it relates to the regulating valve structure that a kind of HVAC and water system are used, and is mainly to consist of valve body 2, valve gap 5, valve rod 4, flap seat 14, flap 15, orifice plate 1, valve stem casing 7, lining 8, positioning rod 9 and handwheel 10 etc.
Described valve body 2 adopts direct current type structure, its whole brass forging molding that adopts, in valve body 2, be provided with entrance point 21 and outlet end 22 that level is communicated with, this inlet/outlet end all adopts female thread structure mutually external with pipeline, is also provided with valve seat between inlet/outlet end; In described entrance point 21, be provided with the orifice plate 1 of sealing entrance point, this orifice plate is done extruding with valve body 2 and is coordinated, and valve body is provided with the downhole joint 3 that lays respectively at orifice plate 1 both sides outward, by the forward and backward pressure reduction of intelligent instrument measuring diaphragm 1, just can obtain the flow when early gate.
Described valve body 2 tops are provided with an installation cavity being just in time positioned on valve seat, this installation cavity is to be 50 ° of inclinations with the line being connected in valve body 2 and install between shaft axis and inlet/outlet end 21,22, on the top of installation cavity, be provided with the valve gap 5 that thread seal connects, this valve gap is a hollow structure with axis hole, and axis hole top is made as tapped hole, and bottom is made as clear opening.
In described valve gap 5, be provided with the valve rod 4 that movable sealing is installed, its sealing configuration is to be mainly embedded with two pass "O"-ring 12 outward at valve rod, this two pass "O"-ring sealing is arranged on the axis hole bottom in valve gap 5, be arranged in the clear opening of axis hole bottom, therefore valve rod 4 can be realized in this axis hole, rotate and upper and lower moving axially; Described valve rod 4 lower ends are stretched in the installation cavity of valve body 2 through valve gap 5, in installation cavity, be provided with flap seat 14, this flap seat upper-end surface is provided with attachment hole, valve rod 4 lower ends are fitted in this attachment hole, and in attachment hole, be also provided with trim ring 13 valve rod 4 is fixed to one, therefore flap seat 14 can be subject to valve rod 4 drive and move; Described flap seat 14 underparts are provided with flap 15 and are threaded on flap seat and are positioned at the adjusting flap 16 in flap outside, and the outer circumferential face of this adjustings flap is made as the conical surface, regulates the threaded connection place use sealer between flap 16 and flap seat 14 fastening; When flap seat 14 is subject to valve rod 4 to drive operation, flap 15 lower end surfaces can and valve body 2 in valve seat between realize sealing and open and close, with the adjusting flap 16 of the conical surface by and valve seat between aperture carry out regulating valve flow; The top that described valve rod 4 middle parts are positioned at two pass "O"-ring 12 is provided with spiral shell axle 42, between the tapped hole on this spiral shell axle and axis hole top in valve gap 5 and axis hole top, is made as and is threaded; Described valve rod 4 upper ends are stretched in the endoporus 102 of handwheel 10 through valve gap 5.
In described handwheel 10 endoporus 102, be provided with movable lining 8 and the valve stem casing 7 of installing, handwheel 10 end faces are provided with the top cover 101 of sealing endoporus 102, the outer aperture numerical value demonstration circle 103 that can be accurate to 0.1 circle that is arranged with of handwheel 10.
In described handwheel 10 endoporus 102, be provided with interior shoulder, outside described lining 8, be provided with outer shoulder 81, on the interior shoulder of this lining 8 by the handwheel 10 of outer shoulder 81 active mountings, therefore lining 8 can rotate at the endoporus 102 of handwheel 10 in interior realization; In described lining 8, be provided with the positioning rod 9 being threaded, the upper/lower terminal of this positioning rod connects respectively lining 8, and the upper-end surface at positioning rod 9 is provided with inner hexagonal hole, therefore when the top cover 101 of handwheel 10 is opened and exposes after endoporus 102, by inner hexagon spanner, be fitted in this inner hexagonal hole, can operate positioning rod 9 and rotate, and then make positioning rod realize upper and lower moving axially lining 8 is interior; Described lining 8 underparts are threaded in valve stem casing 7, make to form fixing between the two.
Between described valve stem casing 7 upper ends and handwheel 10 endoporus 102, by drive splines, form and be in transmission connection, valve stem casing 7 underparts are provided with convex shoulder 71, this convex shoulder is fitted in the default mounting hole in valve gap 5 upper ends, and in mounting hole, be also provided with the back-up ring 6 of locating convex shoulder 71, thereby formed the rotating position mounting structure of valve stem casing 7 relative valve gaps 5.Simultaneously, valve rod 4 upper ends are stretched into the interior formation of valve stem casing 7 and are in transmission connection, transmission connecting structure is between the two that valve rod 4 upper ends are made as six posts 41, corresponding six faces that are equipped with six posts 41 that are provided with in valve stem casing 7, therefore when handwheel 10 rotating drive valve stem casings 7 rotate, and then after band ovable valve stem 4 rotates, valve rod just can be subject to being threaded and will rotatablely moving and be converted into upper and lower moving axially between spiral shell axle 42 and valve gap 5, and then drives flap seat 14, flap 15 and regulate flap 16 sealing keying valve seats.And valve rod 4 in valve stem casing 7 move up and down position can contact with valve rod 4 upper ends by positioning rod 9 lower ends adjust location.
Described handwheel 10 lower ends are provided with handwheel seat 11, between this handwheel 10 and handwheel seat 11, be made as movable being fastened and connected, handwheel seat 11 is linked in valve gap 5 upper ends, handwheel 10 between this handwheel seat 11 and valve gap 5 upper ends, is respectively equipped with equipped six faces and six posts that are connected, therefore can carry out rotating operation in handwheel seat 11.
The utility model is by arranging orifice plate 1 at valve body 2 entrance points 21, and in the both sides of orifice plate, downhole joint 3 is set respectively, when by the pressure reduction of intelligent instrument measuring diaphragm 1 front and back, just can obtain the flow when early gate, and uninterrupted rotates the handwheel 10 unlatching number of turns as required.After valve regulated is good, with inner hexagon spanner turn positioning rod 9 move down with valve rod 4 on end in contact location, can limit the activity of valve rod, thus the aperture of Locked valve.Because orifice plate 1 accuracy of manufacturing is high, flow resistance is substantially constant, and this method of measurement just can have been avoided changing the impact on flow adjustment because of pipeline pressure flow resistance preferably.
Claims (10)
1. a dibit adjustment valve, comprises that valve body (2) and sealing are arranged on the valve gap (5) on valve body top; In described valve body (2), be provided with the entrance point (21) and the outlet end (22) that interconnect, between inlet/outlet end, be provided with valve seat; In described valve gap (5), be provided with the valve rod (4) that movable sealing is installed, this valve rod lower end is provided with flap seat (14) and the flap (15) that is subject to valve rod (4) motion and opens and closes, valve rod (4) upper end is stretched in the endoporus (102) of handwheel (10) through valve gap (5), valve rod (4) middle part is provided with spiral shell axle (42), between this spiral shell axle and valve gap (5), be made as and be threaded, it is characterized in that being provided with in described handwheel (10) endoporus (102) movable lining (8) and the valve stem casing (7) of installing; In described lining (8), be provided with upper and lower axially movable positioning rod (9), lining (8) underpart is connected in valve stem casing (7); Between the endoporus (102) of described valve stem casing (7) upper end and handwheel (10), be in transmission connection, valve stem casing (7) underpart rotating position is arranged on valve gap (5) upper end, and described valve rod (4) upper end is stretched in valve stem casing (7) and is in transmission connection; Described positioning rod (9) lower end contacts location with valve rod (4) upper end.
2. dibit adjustment valve according to claim 1, is characterized in that described flap seat (14) underpart is provided with the adjacent adjusting flap (16) that is arranged on flap (15) outside, and the outer circumferential face of this adjusting flap is made as the conical surface.
3. dibit adjustment valve according to claim 1 and 2, it is characterized in that described flap seat (14) upper-end surface is provided with attachment hole, described valve rod (4) lower end is fitted in this attachment hole, is also provided with the fixedly trim ring (13) of valve rod (4) lower end in attachment hole.
4. dibit adjustment valve according to claim 1 and 2, it is characterized in that the rotating position mounting structure of described valve stem casing (7) underpart in valve gap (5) upper end is to be provided with mounting hole in valve gap (5) upper end, valve stem casing (7) lower end is provided with convex shoulder (71), this convex shoulder rotates and is fitted in mounting hole, is also provided with the back-up ring (6) of location convex shoulder (71) in mounting hole.
5. dibit adjustment valve according to claim 1 and 2, is characterized in that described valve stem casing (7) upper end and the transmission connecting structure between the endoporus (102) of handwheel (10) are to be provided with drive splines between valve stem casing (7) upper end and the endoporus (102) of handwheel (10); Transmission connecting structure between described valve rod (4) upper end and valve stem casing (7) is that valve rod (4) upper end is made as six posts (41), corresponding six faces that are equipped with six posts (41) that are provided with in valve stem casing (7).
6. dibit adjustment valve according to claim 1 and 2, is characterized in that being provided with interior shoulder in described handwheel (10) endoporus (102), the corresponding outer shoulder (81) being equipped with this interior shoulder that is provided with outside lining (8).
7. dibit adjustment valve according to claim 1 and 2, it is characterized in that described handwheel (10) lower end is provided with handwheel seat (11), between this handwheel (10) and handwheel seat (11), be made as movable being fastened and connected, described handwheel seat (11) is linked in valve gap (5) upper end, is respectively equipped with equipped six faces and six posts that are connected between this handwheel seat (11) and valve gap (5) upper end.
8. dibit adjustment valve according to claim 1 and 2, is characterized in that described positioning rod (9) upper-end surface is provided with inner hexagonal hole.
9. dibit adjustment valve according to claim 1 and 2, is characterized in that described handwheel (10) end face is provided with the top cover (101) of sealing endoporus (102), and the outer aperture numerical value that is arranged with of handwheel (10) shows circle (103).
10. dibit adjustment valve according to claim 1 and 2, is characterized in that described valve body (2) entrance point (21) is provided with orifice plate (1), the outer downhole joint (3) that lays respectively at orifice plate (1) both sides that is provided with of valve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238061.7U CN203847792U (en) | 2014-05-12 | 2014-05-12 | Double-position adjustment balance valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238061.7U CN203847792U (en) | 2014-05-12 | 2014-05-12 | Double-position adjustment balance valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847792U true CN203847792U (en) | 2014-09-24 |
Family
ID=51560810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420238061.7U Expired - Lifetime CN203847792U (en) | 2014-05-12 | 2014-05-12 | Double-position adjustment balance valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795156A (en) * | 2020-07-21 | 2020-10-20 | 宁波华成阀门有限公司 | Balance valve and use method thereof |
| 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 |
-
2014
- 2014-05-12 CN CN201420238061.7U patent/CN203847792U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795156A (en) * | 2020-07-21 | 2020-10-20 | 宁波华成阀门有限公司 | Balance valve and use method thereof |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
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| CX01 | Expiry of patent term |