CN203796977U - Sleeve type balance valve - Google Patents
Sleeve type balance valve Download PDFInfo
- Publication number
- CN203796977U CN203796977U CN201420171249.4U CN201420171249U CN203796977U CN 203796977 U CN203796977 U CN 203796977U CN 201420171249 U CN201420171249 U CN 201420171249U CN 203796977 U CN203796977 U CN 203796977U
- Authority
- CN
- China
- Prior art keywords
- valve
- axle sleeve
- sleeve
- indicating ring
- handwheel
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000945 filler Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a sleeve type balance valve, and belongs to a static balance valve structure applied in the technical field of water supply and drainage. The sleeve type balance valve mainly comprises a valve body, a valve clack, a valve seat, a valve rod, a valve cap, a hand wheel and the like, wherein the valve clack is in a sleeve type structure formed by connection of an inner shaft sleeve and an outer shaft sleeve which are coaxial. Throttling orificesare formed in the valve clack, so that the pressure of cavities on the upper side and the lower side of the valve clack can be balanced better when the valve clack is opened and closed relative to the valve seat, and the opening and closing moment of the balance valve is reduced; the improved balance valve is in such valve clack opening and closing structure, so that the opening and closing torque is smaller and operation is more labor-saving compared with the traditional balance valve; and in addition, the balance valve has the advantages of reasonable structural design, reliable sealing, low production cost and the like.
Description
Technical field
The utility model relates to a kind of pipeline valve structure of damming for medium, refers in particular to telescopic equilibrium valve.
Background technique
Static balancing valve is a kind of common pipeline valve structure, " a kind of static balancing valve " that its structure is 201320165750.5 to disclosed China Patent No. is similar, static balancing valve is mainly the aperture by changing flap and valve seat, and then the flow resistance that changes the valve of flowing through is to reach the object of adjust flux, its effective object is the resistance of system, static balancing valve can distribute the new water yield according to design-calculated proportional balancing method, after each branch road increases and decreases simultaneously in proportion, still meet the traffic demand when the part load under preclimax needs, play thermally equilibrated effect.At present, static balancing valve is to drive flap to realize the keying function of valve by the upper and lower vertical motion of valve rod, this mode of structure required moment of torsion in the keying operating process of valve is larger, operation effort, and in the time that flap moves downward, for the fluid resistance overcoming in valve body often needs the diameter that strengthens valve rod to prevent the phenomenon of valve rod bending, this had both increased the cost of production of valve, also affected the sealing of valve.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and the telescopic equilibrium valve that a kind of rational in infrastructure, rapid operation, sealing are reliable, reduce cost of production is provided.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of telescopic equilibrium valve, comprises valve body, valve gap, flap, valve rod and handwheel; 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; Described flap is the tube-in-tube structure being jointly made up of the internal axle sleeve of concentric and external axle sleeve, is provided with axis hole in internal axle sleeve, and this axis hole is threaded with valve rod lower end, and this external axle sleeve 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 valve gap lower end is provided with to the extension pipe box extending in valve body, described external axle sleeve upwards extends and is connected with the motive sealing of described extension pipe box formation, common formation counter balance pocket between this valve gap, external axle sleeve and internal axle sleeve; Described internal axle sleeve lower end surface is provided with lower throttle orifice, and this lower throttle orifice connects respectively entrance point and axis hole; Described internal axle sleeve side is provided with side throttle orifice, and this side throttle orifice connects respectively axis hole peace weighing apparatus chamber.
The structure that is sealed and matched between described external axle sleeve underpart and valve seat is that external axle sleeve underpart is made as circular cone, and the tapering of this circular cone is 48 °, on the excircle end face that circular cone contacts with valve seat, is embedded with seal ring.
Outside described valve gap top, be provided with setting sleeve and be fixedly connected on the positioning ring on setting sleeve; Between described handwheel and setting sleeve, indicating ring is installed, between this indicating ring and handwheel, is threaded, the upper and lower displacement of indicating ring relative positioning interplanting.
Upper and lower displacement structure between described indicating ring and setting sleeve is that setting sleeve top outer surface is made as Hexagon, corresponding being provided with on indicating ring and the movable directed equipped hexagonal hole of described Hexagon work.
Described indicating ring outer surface is provided with the aperture indicated value being axially arranged in order along indicating ring.
Compared with prior art, the utility model is mainly that the valve flap structure of equilibrium valve has been adopted to telescoping structure, this telescoping structure mainly adopts internal axle sleeve and the external axle sleeve of concentric and on flap, designs that throttle orifice realizes, therefore the pressure of upper and lower two side cavity of balance flap preferably just in the time that the relative valve seat of flap opens and closes, thereby alleviate the keying moment of equilibrium valve, equilibrium valve after improvement adopts the flap on-off structure of this design, it is less that it compares traditional equilibrium valve open and close torque, operates more laborsaving.Meanwhile, this structure also has the advantages such as reasonable in design, 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 structural representation of flap.
Fig. 3 is the structural representation of indicating ring.
Embodiment
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Figure 1 to Figure 3,1. valve body, 2. valve seat, 3. flap, 31. seal rings, 32. external axle sleeves, 33. internal axle sleeves, 34. side throttle orifices, 35. axis holes, 36. times throttle orifices, 4. Stem Mut, 5. valve rod, 6. locking nut, 7. valve gap, 71. extends pipe boxes, 8. filler, 9. setting sleeve, 10. Gland, 11. indicating rings, 111. aperture indicated values, 12. handwheels, 13. dust covers, 14. socket head screws, 15. hexagon head bolts, 16. positioning rings, 17. counter balance pocket, 18. "O"-rings, 19. pressure measuring tie-ins, 20. orifice plates, 21. entrance points, 22. outlet end.
Telescopic equilibrium valve, belongs to the one of static balancing valve in pipeline valve, and its structure is to be mainly made up of valve body 1, flap 3, valve gap 7, valve rod 5 and handwheel 12 etc.
Described valve body 1 adopts horizontal DC formula structural design, in valve body, be provided with the left and right entrance point interconnecting 21 and outlet end 22, and Figure 1 shows that example, valve body 1 left end is made as to entrance point 21, right-hand member is made as outlet end 22, and this inlet/outlet end place is respectively equipped with flange plate, can be used for installing for external pipe, between inlet/outlet end, be provided with and be " " valve seat 2 of type, between the line between the shaft axis of this valve seat and inlet/outlet end, be angle; In described entrance point 21, be provided with the orifice plate 20 of built-in structure, be provided with two pressure measuring tie-ins 19 outside entrance point 21, these two pressure measuring tie-ins are the corresponding forward and backward both sides that are arranged on orifice plate 20 respectively.Described valve body 1 end face is made as middle flanged surface, between line in this between relative inlet/outlet end of flanged surface, also angulation tilts, and being sealedly connected with valve gap 7 by "O"-ring, hexagon head bolt 15 and spring washer on middle flanged surface, this valve gap lower end is provided with to the extension pipe box 71 of valve body 1 interior extension.
Described flap 3 contacts on valve seat 2 as the keying element sealing of inlet/outlet end, can realize the sealing of valve seat 2 is opened and closed when flap 3 in the time that the shaft axis of valve seat 2 moves linearly; Described flap 3 is the siamesed sleeve structure being jointly made up of the internal axle sleeve 33 of concentric and external axle sleeve 32 as shown in Figure 2; Described internal axle sleeve 33 upper end portions need be higher than the upper end portion of external axle sleeve 32, and stretch in the inner face of valve gap 7, between this external axle sleeve 32 and inner face, be respectively equipped with formation internal axle sleeve and form axially movable guiding rib and guiding groove with respect to interior edge face hole, in internal axle sleeve 33, be also provided with axis hole 35, in the upper end portion of this axis hole, be embedded with hard-wired Stem Mut 4 simultaneously; Described external axle sleeve 32 upwards extends and through being embedded the "O"-ring 18 of extending on pipe box internal surface and extend and form motive sealing between pipe box 71 and be connected, therefore jointly formed counter balance pocket 17 between valve gap 7, external axle sleeve 32 and internal axle sleeve 33, external axle sleeve 32 underparts are made as circular cone, the tapering of this circular cone is 48 °, on the excircle end face that circular cone contacts with valve seat 2, be embedded with seal ring 31, can be used for strengthening the sealing reliability between flap 3 and valve seat 2.Simultaneously, also be provided with lower throttle orifice 36 in internal axle sleeve 33 lower end surfaces, this lower throttle orifice connects respectively entrance point 21 and axis hole 35, internal axle sleeve 33 sides are provided with two side throttle orifices 34, these two side throttle orifices connect respectively axis hole 35 and counter balance pocket 17, therefore get final product mineralization pressure balance in upper and lower two side cavity of flap 3, and can alleviate the active force of medium on flap 3, flap is opened and closed more laborsaving.
Described valve rod 5 lower ends are connected as screw-thread fit with Stem Mut 4, can make the rotation of valve rod 5 can be formed on the straight line motion in the axis hole 35 of internal axle sleeve 33 by this Stem Mut, namely valve rod 5 rotates and can drive flap 3 to form and move up and down along valve rod, thereby realizes the keying of valve; Expose through the valve gap 7 on valve body 1 valve rod 5 upper ends, this exposed junction is connected with handwheel 12 by flat gasket, spring washer and socket head screw 14, in the mounting hole at handwheel top, be also provided with dust cover 13 by valve rod 5 top closure, for dustproof and aesthetic appearance, and 12 rotations of operation handwheel can be with ovable valve stem 5 to do synchronous rotation.
Between described valve rod 5 and valve gap 7 tops, be provided with filler 8, the Gland 10 that this filler is connected to valve gap 7 end faces by hexagon nut and hexagon head bolt 15 seals, and the dynamic seal rotating as valve rod 5; Described valve rod 5 middle parts are provided with spacing convex shoulder, this spacing convex shoulder is arranged on by pad in the shoulder hole of valve gap 7 inner top surfaces, and in shoulder hole, be provided with locking nut 6 that screw thread installs so that the spacing convex shoulder on valve rod 5 is enclosed in the shoulder hole of valve gap 7, make axial float and but can not affect the rotation of valve rod therefore can limit valve rod 5.
Outside described valve gap 7 tops, be set with the fixing setting sleeve 9 that is threaded, this setting sleeve bottom is provided with by the Cock screw positioning ring 16 connecting that fixes, and setting sleeve 9 top outer surfaces are made as Hexagon; Described handwheel 12 bottoms are provided with one and are wrapped in interior mounting hole to downward-extension and by setting sleeve 9, are provided with the indicating ring 11 being threaded in this mounting hole; Described indicating ring is fitted in outside the Hexagon of setting sleeve 9 by hexagonal hole activity orientation, also be provided with aperture indicated value 111 as shown in Figure 3, that be arranged in order along the axial work of indicating ring at the outer surface of indicating ring 11, correspondingly be provided with aperture instruction circle at handwheel 12 underpart outer surfaces, for coordinating aperture indicated value 111 to form accurate aperture instruction.In the time that handwheel 12 rotates, being threaded in indicating ring 11 in the mounting hole of handwheel just can be converted into rotatablely moving and axially carry out displacement along setting sleeve 9, and aperture indicated value 111 on indicating ring 11 just can accurately be indicated the current rotation number of turns of handwheel 12, accurately show current valve opening, and the stroke that indicating ring 11 moves down along setting sleeve 9 ring 16 that is positioned stops.
Working principle of the present utility model is: realize the keying function of flap 3 by rotating handwheel 12, and can demonstrate current flap 3 positions according to indicating ring 11 and aperture indicated value 111; In addition, be provided with orifice plate 20 at the entrance point 21 of valve body 1, utilize two pressure measuring tie-ins 19 can record the forward and backward pressure reduction of orifice plate and can learn current valve flow in conjunction with flow curve figure, in the time needing adjust flux, rotatable handwheel 12 is controlled the size of flow.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (5)
1. a telescopic equilibrium valve, comprises valve body (1), valve gap (7), flap (3), valve rod (5) and handwheel (12); In described valve body (1), be provided with the entrance point (21) and the outlet end (22) that interconnect, between inlet/outlet end, be provided with valve seat (2); Described flap (3) is by the internal axle sleeve (33) of concentric and the common tube-in-tube structure forming of external axle sleeve (32), in internal axle sleeve (33), be provided with axis hole (35), this axis hole is threaded with valve rod (5) lower end, and this external axle sleeve (32) underpart is sealed and matched on valve seat (2); Described valve rod (5) upper end is connected with handwheel (12) through the valve gap (7) being arranged on valve body (1), it is characterized in that described valve gap (7) lower end is provided with to the interior extension pipe box (71) extending of valve body (1), described external axle sleeve (32) upwards extends and is connected with the motive sealing of described extension pipe box (71) formation, common formation counter balance pocket (17) between this valve gap (7), external axle sleeve (32) and internal axle sleeve (33); Described internal axle sleeve (33) lower end surface is provided with lower throttle orifice (36), and this lower throttle orifice connects respectively entrance point (21) and axis hole (35); Described internal axle sleeve (33) side is provided with side throttle orifice (34), and this side throttle orifice connects respectively axis hole (35) and counter balance pocket (17).
2. telescopic equilibrium valve according to claim 1, it is characterized in that the structure that is sealed and matched between described external axle sleeve (32) underpart and valve seat (2) is that external axle sleeve (32) underpart is made as circular cone, the tapering of this circular cone is 48 °, on the excircle end face that circular cone contacts with valve seat (2), is embedded with seal ring (31).
3. telescopic equilibrium valve according to claim 1 and 2, is characterized in that being provided with setting sleeve (9) and being fixedly connected on the positioning ring (16) on setting sleeve outside described valve gap (7) top; Between described handwheel (12) and setting sleeve (9), indicating ring (11) is installed, this indicating ring and handwheel are threaded between (12), and indicating ring (11) relative positioning cover (9) is made upper and lower displacement.
4. telescopic equilibrium valve according to claim 3, it is characterized in that the upper and lower displacement structure between described indicating ring (11) and setting sleeve (9) is that setting sleeve (9) top outer surface is made as Hexagon, corresponding being provided with and the movable directed equipped hexagonal hole of described Hexagon work on indicating ring (11).
5. telescopic equilibrium valve according to claim 4, is characterized in that described indicating ring (11) outer surface is provided with the aperture indicated value (111) being axially arranged in order along indicating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171249.4U CN203796977U (en) | 2014-04-10 | 2014-04-10 | Sleeve type balance valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171249.4U CN203796977U (en) | 2014-04-10 | 2014-04-10 | Sleeve type balance valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796977U true CN203796977U (en) | 2014-08-27 |
Family
ID=51379189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420171249.4U Expired - Lifetime CN203796977U (en) | 2014-04-10 | 2014-04-10 | Sleeve type balance valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203796977U (en) |
-
2014
- 2014-04-10 CN CN201420171249.4U patent/CN203796977U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017157134A1 (en) | Flat-bottomed ball valve | |
| CN202074048U (en) | Interchange type pneumatic one-way valve | |
| CN203363202U (en) | Piston type stop valve | |
| CN207701898U (en) | Flow-rate adjustment static balancing valve | |
| CN104197056A (en) | Adjustable flow dynamic balance valve | |
| CN104141798B (en) | A kind of balanced type break valve | |
| CN204533566U (en) | Four eccentric two-way seal butterfly valves | |
| CN206723485U (en) | A kind of detachable gate valve | |
| CN103615552A (en) | Direct-opening multi-seal angle stop valve | |
| CN203796977U (en) | Sleeve type balance valve | |
| CN203549019U (en) | Corrugated pipe type static balance valve | |
| CN105697807A (en) | Large-aperture intelligent water meter valve control device | |
| CN203421195U (en) | Stop valve | |
| CN203431210U (en) | Bidirectional balancing type stop valve | |
| CN203926818U (en) | Quiescent flow equilibrium valve | |
| CN205559814U (en) | Novel valve | |
| CN203796976U (en) | Static balance valve | |
| CN204420200U (en) | Cylinder-rotating three-way diverter valve | |
| CN203892574U (en) | Angle type static balancing valve | |
| CN204140970U (en) | Cast iron screw down nonreturn valve | |
| CN203796984U (en) | Novel-structure high-pressure Y-shaped balance valve | |
| CN203098908U (en) | Split-type valve | |
| CN207999523U (en) | A kind of wear resistant three-way fixing ball valve | |
| CN206347115U (en) | A kind of stop valve | |
| CN206754565U (en) | A kind of locking device of ball screw type stop valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |