CN210344337U - Butterfly valve with lower limiting device - Google Patents
Butterfly valve with lower limiting device Download PDFInfo
- Publication number
- CN210344337U CN210344337U CN201921388070.3U CN201921388070U CN210344337U CN 210344337 U CN210344337 U CN 210344337U CN 201921388070 U CN201921388070 U CN 201921388070U CN 210344337 U CN210344337 U CN 210344337U
- Authority
- CN
- China
- Prior art keywords
- valve
- rod
- mounting groove
- butterfly valve
- sliding plate
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a butterfly valve of stop device under area, including the valve body, the upper end fixedly connected with connecting rod of valve body, the control box is installed to the upper end of connecting rod, install the hand wheel on the control box, this internal valve chamber that is equipped with of valve, the valve is indoor to be equipped with the valve clack, the valve clack passes through the valve rod and rotates to be connected in the valve chamber, the upper end and the connecting rod fixed connection of valve rod, the below fixedly connected with device piece of valve body, be equipped with the mounting groove in the device piece, be equipped with stop gear in the mounting groove, this butterfly valve is equipped with a lower stop gear, can bear certain power for stop gear in the valve, increases the life of valve.
Description
Technical Field
The utility model relates to a butterfly valve field especially relates to a butterfly valve of stop device under area.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling.
The existing butterfly valve limits the valve clack through a limiting mechanism in the valve, and prevents the impact of water flow from turning the valve clack, so that the valve has a good throttling effect, but when the butterfly valve is used for a long time, the limiting mechanism has the possibility of damage due to long-time stress.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the butterfly valve of stop device under the area that proposes, this butterfly valve is equipped with a lower stop gear, can bear certain power for stop gear in the valve, increases the life of valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a butterfly valve of stop device under area, includes the valve body, the upper end fixedly connected with connecting rod of valve body, the control box is installed to the upper end of connecting rod, install the hand wheel on the control box, this internal valve chamber that is equipped with of valve, the valve clack is equipped with in the valve chamber, the valve clack passes through the valve rod and rotates to be connected in the valve chamber, the upper end and the connecting rod fixed connection of valve rod, the below fixedly connected with device piece of valve body, be equipped with the mounting groove in the device piece, be equipped with stop gear in the mounting groove.
Preferably, stop gear is including extending to the valve rod in the mounting groove, be equipped with the stopper in the mounting groove, the stopper runs through the valve rod, be equipped with the device chamber in the stopper, be equipped with installation mechanism in the device chamber.
Preferably, installation mechanism is including setting up the slide in the device intracavity, the slide is at device intracavity sliding connection, through a plurality of spring elastic connection between the lower extreme of slide and the lower inner wall in device chamber, the upper end fixed mounting of slide has a plurality of wedge, and is a plurality of the wedge all runs through the last inner wall in device chamber, the last inner wall of mounting groove is equipped with a plurality ofly and wedge cooperation wedge groove, fixedly connected with depression bar on the slide, the depression bar runs through the device chamber, be equipped with a plurality of gag lever posts in the device intracavity.
Preferably, a layer of rubber sleeve is sleeved on the compression bar.
Preferably, the limiting block is attached to the mounting groove.
Preferably, a layer of sealing gasket is arranged on the inner wall of the valve chamber.
Compared with the prior art, the utility model, its beneficial effect does:
1. be provided with installation mechanism and stop gear, put into the mounting groove with the stopper and can carry on spacingly, and let the stopper put into the mounting groove through the cooperation of wedge and wedge groove after automatic the buckling, prevent the slippage.
2. The lower limiting mechanism is arranged to bear a certain force for the limiting mechanism in the valve, so that the service life of the valve is prolonged.
Drawings
Fig. 1 is a schematic structural view of a butterfly valve with a lower limiting device according to the present invention;
fig. 2 is a schematic cross-sectional view of a butterfly valve with a lower limiting device according to the present invention;
fig. 3 is a schematic diagram of an enlarged structure at a position a of the butterfly valve with a lower limiting device according to the present invention.
In the figure: the valve comprises a valve body 1, a connecting rod 2, a control box 3, a hand wheel 4, a device block 5, a limiting block 6, a valve chamber 7, a valve clack 8, a valve rod 9, a mounting groove 10, a wedge-shaped groove 11, a device cavity 12, a wedge-shaped block 13, a compression rod 14, a sliding plate 15, a limiting rod 16 and a spring 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a butterfly valve with lower limiting device, including valve body 1, valve body 1's upper end fixedly connected with connecting rod 2, control box 3 is installed to the upper end of connecting rod 2, install hand wheel 4 on the control box 3, be equipped with valve chamber 7 in the valve body 1, be equipped with valve clack 8 in the valve chamber 7, valve clack 8 rotates through valve rod 9 and connects in valve chamber 7, valve rod 9's upper end and connecting rod 2 fixed connection, valve body 1's below fixedly connected with device piece 5, be equipped with mounting groove 10 in the device piece 5, be equipped with stop gear in the mounting groove 10, wherein control box 3 and hand wheel 4 are prior art, through the steerable valve clack 8's of hand wheel 4.
Wherein, stop gear is equipped with stopper 6 including extending to the valve rod 9 in the mounting groove 10, and stopper 6 runs through valve rod 9 when valve clack 8 closes, when valve rod 9 rotates to make valve clack 8 close promptly, inserts stopper 6 this moment in the mounting groove 10 and run through valve rod 9 this moment, is equipped with device chamber 12 in the stopper 6, is equipped with installation mechanism in the device chamber 12.
Wherein, the installation mechanism comprises a sliding plate 15 arranged in the device cavity 12, the sliding plate 15 is in sliding connection in the device cavity 12, the lower end of the sliding plate 15 is in elastic connection with the lower inner wall of the device cavity 12 through a plurality of springs 17, the upper end of the sliding plate 15 is fixedly provided with a plurality of wedge-shaped blocks 13, the plurality of wedge-shaped blocks 13 all penetrate through the upper inner wall of the device cavity 12, the upper inner wall of the installation groove 10 is provided with a plurality of wedge-shaped grooves 11 matched with the wedge-shaped blocks 13, the sliding plate 15 is fixedly connected with a pressure rod 14, the pressure rod 14 penetrates through the device cavity 12, the device cavity 12 is internally provided with a plurality of limiting rods 16, at the moment, the pressure rod 14 is pressed down, the pressure rod 14 drives the sliding plate 15 to move down, so that the springs 17 are in a compression state, the limiting block 6 penetrates through the valve rod 9, when one end of the limiting block 6 is abutted against the, the slide plate 15 drives the wedge block 13 to be clamped into the wedge groove 11.
Wherein, the compression bar 14 is sleeved with a layer of rubber sleeve, which is convenient for pressing.
Wherein, stopper 6 and mounting groove 10 laminate mutually, guarantee the stability of operation.
Wherein, the inner wall of the valve chamber 7 is provided with a layer of closed cushion to ensure the air tightness of the device.
The utility model discloses in, during the use, when the needs throttle, only need to rotate hand wheel 4 and change valve clack 8 to the throttle state, push down depression bar 14 this moment, depression bar 14 drives slide 15 and moves down, thereby make spring 17 be in the compression state, slide stopper 6 in mounting groove 10, stopper 6 runs through valve rod 9, when the one end of stopper 6 offsets with the inside wall of mounting groove 10, loosen depression bar 14, the elastic action slide 15 that receives spring 17 moves up this moment, slide 15 drives 13 card of wedge and goes into and accomplish the installation in the wedge 11, this structure can effectually undertake some power for the stop gear in the valve, increase the general life of valve in the valve.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a butterfly valve of stop device under area, includes valve body (1), its characterized in that, upper end fixedly connected with connecting rod (2) of valve body (1), control box (3) are installed to the upper end of connecting rod (2), install hand wheel (4) on control box (3), be equipped with valve chamber (7) in valve body (1), be equipped with valve clack (8) in valve chamber (7), valve clack (8) rotate through valve rod (9) and connect in valve chamber (7), the upper end and connecting rod (2) fixed connection of valve rod (9), the below fixedly connected with device piece (5) of valve body (1), be equipped with mounting groove (10) in device piece (5), be equipped with stop gear in mounting groove (10).
2. The butterfly valve with the lower limiting device according to claim 1, wherein the limiting mechanism comprises a valve rod (9) extending into a mounting groove (10), a limiting block (6) is disposed in the mounting groove (10), the limiting block (6) extends through the valve rod (9), a device cavity (12) is disposed in the limiting block (6), and a mounting mechanism is disposed in the device cavity (12).
3. The butterfly valve with the lower limiting device according to claim 2, wherein the mounting mechanism comprises a sliding plate (15) disposed in the device cavity (12), the sliding plate (15) is slidably connected in the device cavity (12), the lower end of the sliding plate (15) is elastically connected with the lower inner wall of the device cavity (12) through a plurality of springs (17), a plurality of wedge blocks (13) are fixedly mounted at the upper end of the sliding plate (15), the wedge blocks (13) penetrate through the upper inner wall of the device cavity (12), a plurality of wedge grooves (11) matched with the wedge blocks (13) are formed in the upper inner wall of the mounting groove (10), a pressing rod (14) is fixedly connected to the sliding plate (15), the pressing rod (14) penetrates through the device cavity (12), and a plurality of limiting rods (16) are disposed in the device cavity (12).
4. A butterfly valve with a lower limiting device according to claim 3, characterized in that said pressure rod (14) is sheathed with a rubber sleeve.
5. The butterfly valve with the lower limiting device according to claim 2, wherein the limiting block (6) is attached to the mounting groove (10).
6. A butterfly valve with a lower limiting device according to claim 1, characterised in that the inner wall of the valve housing (7) is provided with a layer of sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388070.3U CN210344337U (en) | 2019-08-23 | 2019-08-23 | Butterfly valve with lower limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388070.3U CN210344337U (en) | 2019-08-23 | 2019-08-23 | Butterfly valve with lower limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344337U true CN210344337U (en) | 2020-04-17 |
Family
ID=70176263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921388070.3U Active CN210344337U (en) | 2019-08-23 | 2019-08-23 | Butterfly valve with lower limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344337U (en) |
-
2019
- 2019-08-23 CN CN201921388070.3U patent/CN210344337U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201031957Y (en) | Float valve | |
| CN106704618B (en) | High-performance gate valve | |
| CN201297397Y (en) | Water pressure driving valve | |
| CN110671502B (en) | Water hammer resistant stop valve | |
| CN209041594U (en) | A kind of high sealing hard seal butterfly valve resistant to high temperature | |
| CN210344337U (en) | Butterfly valve with lower limiting device | |
| CN201487322U (en) | Check valve with valve plate slow closure function | |
| CN103388692B (en) | Gas pipeline safety check | |
| CN112081966B (en) | Swing check valve | |
| CN211667206U (en) | Check valve with elastic jacking device | |
| CN201851758U (en) | Pressure differential piston sealing gas cylinder valve | |
| CN213809043U (en) | Low-resistance check valve | |
| CN210218718U (en) | Novel straight line over-and-under type stop valve | |
| CN208793706U (en) | A kind of lining fire safe type high temperature tee joint butterfly valve | |
| CN206234455U (en) | Stop valve | |
| CN202215805U (en) | Water attack release valve | |
| CN201129541Y (en) | Non-return and cut-off integrated valve | |
| CN219588196U (en) | Double-plate check valve with drainage function | |
| CN202274153U (en) | Slow-closure check valve | |
| CN208804249U (en) | A kind of shut-off valve of sealing structure | |
| CN217951415U (en) | Novel valve opening mechanism | |
| CN220416338U (en) | Backflow preventer | |
| CN217003117U (en) | Lining butterfly valve with multiple sealing structure | |
| CN212745187U (en) | High-pressure one-way stop valve | |
| CN210716047U (en) | Self sealss stop valve for power station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |