CN205026103U - Stop valve of toper valve clack has been improved - Google Patents
Stop valve of toper valve clack has been improved Download PDFInfo
- Publication number
- CN205026103U CN205026103U CN201520564037.7U CN201520564037U CN205026103U CN 205026103 U CN205026103 U CN 205026103U CN 201520564037 U CN201520564037 U CN 201520564037U CN 205026103 U CN205026103 U CN 205026103U
- Authority
- CN
- China
- Prior art keywords
- valve
- flap
- backing plate
- valve rod
- clack
- 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
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a stop valve of toper valve clack has been improved, it includes valve body, valve gap, valve rod, hand wheel, valve clack and location spring. Be equipped with inlet channel, outlet conduit in the valve body and be located the portion of cuting between this inlet channel and the outlet conduit. The valve gap is fixed on the valve body, this valve gap is equipped with the driving hole, the valve rod rotationally passes the driving hole, the upper end of this valve rod is connected to the hand wheel, the lower extreme of this valve body is connected to the valve clack. Be equipped with a backing plate on the valve clack, this backing plate cover is in on the valve rod, the one end of location spring is connected to the valve rod, another end pressure is in on the backing plate. The location spring compresses tightly the valve clack through the backing plate, even the valve clack exists clearance, the position that still can keep the valve clack with the valve rod. Because the rigidity of the relative valve rod of valve clack, the switching throttle is more accurate. The isolation of backing plate has reduced the deformation of valve clack.
Description
Technical field
The utility model relates to a kind of stop valve, particularly relates to the stop valve improving taper valve.
Background technique
The open-shut device of stop valve is the flap of stopper, and sealing surface is plane or the conical surface, and flap is along the center line moving linearly of valve seat.201210341362.8 provide a kind of stop valve, comprise valve body, valve gap, bonnet, valve rod, handwheel and lasso, and described valve body is provided with import, outlet and valve port.Described bonnet lower is connected with described valve body top seal.Bonnet is positioned at above described valve gap, and described valve rod is through described valve gap and described bonnet.Valve rod is positioned at described valve rod upper end, and described flap is connected with described valve rod lower end.Handwheel is positioned at the top, attachment portion of described flap and described valve rod, and lasso is for strengthening the join strength of described flap and described valve rod lower end.In this case, valve rod lower end is connected directly to valve rod, and flap is easily movable, affects accurate throttling.
Model utility content
The utility model proposes a kind of stop valve improving taper valve, the fixing position of flap on valve rod, prevent flap movable, improve opening and closing degree of accuracy.
The technical solution of the utility model is achieved in that
A kind of stop valve improving taper valve, it is characterized in that, comprise valve body, valve gap, valve rod, handwheel, flap and retaining spring, intake pipe is provided with in described valve body, outlet conduit and the cut through between this intake pipe and outlet conduit, this cut through is provided with water port, described valve gap is fixed on described valve body, this valve gap is provided with driving hole, described valve rod penetrates rotatably described driving hole, the upper end of this valve rod is connected to described handwheel, the lower end of this valve body is connected to described flap, described flap is positioned at described valve body, the maximum diameter of described flap is greater than the diameter of described water port, wherein, described flap is provided with a backing plate, this backing plate is enclosed within described valve rod, one end of described retaining spring is connected to described valve rod, the other end is pressed on described backing plate.
Improve in the stop valve of taper valve of the present utility model, described flap is provided with limit dais, and described retaining spring is positioned at the below of described limit dais.
Improve in the stop valve of taper valve of the present utility model, described backing plate is provided with an edge-on portion, and this edge-on portion inserts described flap.
Improve in the stop valve of taper valve of the present utility model, described backing plate is provided with annular slot, and the diameter of this annular slot equals the diameter of described retaining spring.
Improve in the stop valve of taper valve of the present utility model, described water port is provided with a boss, and the lower end of described flap is provided with seal groove, and described boss is positioned at described seal groove.
Implement this stop valve improving taper valve of the present utility model, there is following beneficial effect: retaining spring compresses flap by backing plate, even if flap and valve rod exist gap, still can keep the position of flap.Because the position of the relative valve rod of flap is fixed, opening and closing throttling is more accurate.The buffer action of backing plate, reduces the distortion of flap.The sealing configuration of water port and flap adopts the structure of heavy stand formula, improves sealing.
Accompanying drawing explanation
Fig. 1 is this schematic diagram improving the stop valve of taper valve of the present utility model;
Fig. 2 is the schematic diagram at the A place of Fig. 1;
Fig. 3 is the schematic diagram at the B place of Fig. 1;
Fig. 4 is the schematic diagram of the valve body of Fig. 1;
Fig. 5 is the schematic diagram of the valve gap of Fig. 1;
Fig. 6 is the schematic diagram of the other direction of Fig. 5;
Fig. 7 is the schematic diagram of the handwheel of Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described.
The of the present utility model this stop valve improving taper valve as shown in Fig. 1 to 7, it comprises the parts such as valve body 100, valve gap 200, valve rod 300, handwheel 400 and flap 500.Be provided with intake pipe 110, outlet conduit 120 and the cut through 130 between this intake pipe 110 and outlet conduit 120 in described valve body 100, this cut through 130 is provided with water port 131.Described valve gap 200 is fixed on described valve body 100, and this valve gap 200 is provided with driving hole 210.Described valve rod 300 penetrates rotatably described driving hole 210, and the upper end of this valve rod 300 is connected to described handwheel 400, and the lower end of this valve body 100 is connected to described flap 500.Described flap 500 is positioned at described valve body 100, and the maximum diameter of described flap 500 is greater than the diameter of described water port 131.Rotate handwheel 400, valve rod 300 drives flap 500 to move up and down, and opens or closes water port 131.In the present embodiment, described valve gap 200 is provided with a stiffening ring 220, and this stiffening ring 220 is positioned at the top of described driving hole 210, is provided with a sleeve 230 in this stiffening ring 220, and this sleeve 230 is coaxial with described driving hole 210.This sleeve 230 can reduce valve rod 300 and bend, and improves bulk strength.In addition, the corresponding position of sleeve 230 and valve rod 300 arranges thread section, and when handle rotates, valve rod 300 is helically elevated, and drives flap 500 opening and closing.
This valve of the present utility model also comprises a loaded spring 600.Be provided with seal ring 240 between described valve body 100 and valve gap 200, described valve rod 300 is provided with support platform 310, and one end of described loaded spring 600 is positioned on described support platform 310, and the other end withstands described seal ring 240.Seal ring 240 is tightly pressed in the below of valve gap 200 by loaded spring 600, prevents seal ring 240 frequent swing under the impact of fluid, improves sealing.In addition, stop valve also comprises follower 700, and this follower 700 is enclosed within described valve rod 300, and the lower end of this follower 700 is provided with pressing part 710, is provided with filler between described driving hole 210 and valve rod 300, and this pressing part 710 stretches in described driving hole 210.Described valve gap 200 is provided with attachment hole 250, and a threaded stem 251 is enclosed within this attachment hole 250 rotationally, and the end of this threaded stem 251 is connected to described follower 700.Regulated the height of valve gap 200 by threaded stem 251, and then change the pressure of pressing part 710 pairs of fillers, meet the requirement of different sealing.Replace the worm structure of the lower end of spiral shell threaded stem 251 with rotating shaft, mounting or dismounting step can be reduced.
As shown in Figure 2, this valve also comprises a retaining spring 800.Retaining spring 800 compresses flap 500 by backing plate 810, even if flap 500 and valve rod 300 exist gap, still can keep the position of flap 500.Because the position of the relative valve rod 300 of flap 500 is fixed, opening and closing throttling is more accurate.Described flap 500 is provided with a backing plate 810, and this backing plate 810 is enclosed within described valve rod 300, and one end of described retaining spring 800 is connected to described valve rod 300, and the other end is pressed on described backing plate 810.The buffer action of backing plate 810, reduces the distortion of flap 500.Described backing plate 810 is provided with annular slot 811, and the diameter of this annular slot 811 equals described retaining spring 800.This annular slot 811 plays the effect of stationary positioned spring 800 lower end.Described flap 500 is provided with limit dais 320, and described retaining spring 800 is positioned at the below of described limit dais 320, and limit dais 320 is for stationary positioned spring 800 upper end.In addition, described backing plate 810 is provided with an edge-on portion 812, and this edge-on portion 812 inserts described flap 500.Backing plate 810 is connected to valve plate by edge-on portion 812, ensure backing plate 810 all the time with flap 500 one.For improving sealing further, water port 131 adopts the structure of heavy stand formula with the sealing configuration of flap 500.Described water port 131 is provided with a boss 132, and the lower end of described flap 500 is provided with seal groove 510, and described boss 132 is positioned at described seal groove 510.
Shown in Fig. 3, this valve can also comprise an enclosure 900.Described handwheel 400 is provided with multiple shrinkage pool 401, and described enclosure 900 is provided with protuberance 901, and this protuberance 901 stretches in described shrinkage pool 401.Enclosure 900 can adopt elastic material (such as rubber) to make, and improves comfort level.Enclosure 900 is fixed by shrinkage pool 401 intrinsic on handwheel 400.Protuberance 901 stretches in shrinkage pool 401, and enclosure 900 can be rotated with handwheel 400 simultaneously, avoids skidding.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. one kind improves the stop valve of taper valve, it is characterized in that, comprise valve body, valve gap, valve rod, handwheel, flap and retaining spring, intake pipe is provided with in described valve body, outlet conduit and the cut through between this intake pipe and outlet conduit, this cut through is provided with water port, described valve gap is fixed on described valve body, this valve gap is provided with driving hole, described valve rod penetrates rotatably described driving hole, the upper end of this valve rod is connected to described handwheel, the lower end of this valve body is connected to described flap, described flap is positioned at described valve body, the maximum diameter of described flap is greater than the diameter of described water port, wherein, described flap is provided with a backing plate, this backing plate is enclosed within described valve rod, one end of described retaining spring is connected to described valve rod, the other end is pressed on described backing plate.
2. the stop valve improving taper valve according to claim 1, is characterized in that, described flap is provided with limit dais, and described retaining spring is positioned at the below of described limit dais.
3. the stop valve improving taper valve according to claim 1, is characterized in that, described backing plate is provided with an edge-on portion, and this edge-on portion inserts described flap.
4. the stop valve improving taper valve according to claim 1, is characterized in that, described backing plate is provided with annular slot, and the diameter of this annular slot equals the diameter of described retaining spring.
5. the stop valve improving taper valve according to Claims 1-4 any one, it is characterized in that, described water port is provided with a boss, the lower end of described flap is provided with seal groove, and described boss is positioned at described seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564037.7U CN205026103U (en) | 2015-07-31 | 2015-07-31 | Stop valve of toper valve clack has been improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564037.7U CN205026103U (en) | 2015-07-31 | 2015-07-31 | Stop valve of toper valve clack has been improved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026103U true CN205026103U (en) | 2016-02-10 |
Family
ID=55258637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520564037.7U Expired - Fee Related CN205026103U (en) | 2015-07-31 | 2015-07-31 | Stop valve of toper valve clack has been improved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026103U (en) |
-
2015
- 2015-07-31 CN CN201520564037.7U patent/CN205026103U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20160731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |