CN212868498U - Multi-stage sealing butterfly valve - Google Patents
Multi-stage sealing butterfly valve Download PDFInfo
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- CN212868498U CN212868498U CN202021141993.1U CN202021141993U CN212868498U CN 212868498 U CN212868498 U CN 212868498U CN 202021141993 U CN202021141993 U CN 202021141993U CN 212868498 U CN212868498 U CN 212868498U
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Abstract
The utility model discloses a multistage sealing butterfly valve, which comprises a valve body, a valve rod is arranged in the valve body, a valve plate is fixedly connected on the valve rod, arc-shaped check blocks are arranged at two sides of the valve plate and fixedly connected on the inner wall of the valve body, arc-shaped rubber pads are arranged at one sides of the arc-shaped check blocks close to the valve rod, a first groove is arranged on the inner wall of the valve body below the valve rod, a first sealing bearing is fixedly embedded in the inner wall of the first groove, the valve rod is fixedly embedded in the inner wall of the first sealing bearing, a second groove is arranged on the valve body above the valve rod, a second sealing bearing is fixedly connected in the inner wall of the second groove, the outer wall of the valve rod is fixedly embedded in the inner wall of the second sealing bearing, a shell is fixedly connected at the upper side of the valve body, the multistage sealing butterfly valve is convenient to open the valve plate, the operation is, thereby strengthening the sealing of the butterfly valve and preventing water from leaking.
Description
Technical Field
The utility model relates to a sealed butterfly valve, in particular to multistage sealed butterfly valve belongs to butterfly valve technical field.
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 with a closing part being a disk and rotating around a valve shaft to achieve opening and closing.
Traditional butterfly valve all rotates the carousel and opens and close, and when water pressure was too big in the pipeline, it would be very hard to rotate the carousel messenger, and it is inconvenient to lead to opening the butterfly valve, and the existence problem, and traditional butterfly valve seals through the butterfly plate and the valve body inner wall of disc, and this sealed degree is lower, may be because of sealed not tight leakage that produces the water source.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-stage sealing butterfly valve, in the utility model, the two ends of the valve body are connected with the pipeline, when the valve plate needs to be opened for water supply, the opening button is pressed to make the hydraulic rod push the rack to move forward, the end of the rack far away from the hydraulic rod slides and is limited in the limiting groove, thereby the rack drives the gear to rotate, the gear drives the valve rod to rotate, the valve rod drives the valve plate to rotate, the valve plate is kept away from two arc-shaped stop blocks, thereby the water supply is carried out, the rotating rotary disc which is hard because of too large water pressure is avoided, when the valve plate is closed, only the closing button is pressed to retract the hydraulic rod, the end of the rack far away from the hydraulic rod slides and is limited in the limiting groove, the rack drives the gear to rotate reversely, the gear drives the valve rod to rotate reversely, the valve rod drives the valve plate to rotate reversely, the valve plate is closed, thereby strengthening the sealing of the butterfly valve and preventing water from leaking.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a multi-stage sealing butterfly valve, which comprises a valve body, a valve rod is arranged in the valve body, a valve plate is fixedly connected with the valve rod, arc-shaped check blocks are arranged at two sides of the valve plate and fixedly connected with the inner wall of the valve body, an arc-shaped rubber pad is arranged at one side of the arc-shaped check block close to the valve rod, a first groove is arranged on the inner wall of the valve body below the valve rod, a first sealing bearing is fixedly embedded in the inner wall of the first groove, the valve rod is fixedly embedded in the inner wall of the first sealing bearing, a second groove is arranged on the valve body above the valve rod, a second sealing bearing is fixedly connected in the inner wall of the second groove, the outer wall of the valve rod is fixedly embedded in the inner wall of the second sealing bearing, a shell is fixedly connected with the upper side of the valve body, the valve, just the fixed cover of gear is established on the outer wall of valve rod, one side inner wall fixedly connected with hydraulic stem of casing, the one end fixedly connected with rack of hydraulic stem, one side that the hydraulic stem was kept away from to the valve rod is equipped with the connecting rod, the lower extreme fixedly connected with fixed block of connecting rod, the spacing groove has been seted up to one side that the fixed block is close to the gear, the one end that the hydraulic stem was kept away from to the rack extends to the spacing inslot, the top of casing is equipped with the open button and closes the button, the downside of open button and close the button all is equipped with the signboard, just signboard fixed connection is at the upside of casing.
As an optimized technical scheme of the utility model, the gear is connected with the rack meshing.
As an optimal technical scheme of the utility model, rack and spacing groove sliding connection.
As an optimal technical scheme of the utility model, arc rubber pad and arc dog fixed connection.
As an optimal technical scheme of the utility model, the signboard corresponds with corresponding open button and close button.
As an optimal technical scheme of the utility model, arc dog and valve body inner wall looks adaptation.
The utility model discloses the beneficial effect who reaches is:
the utility model provides a multistage sealed butterfly valve, earlier with the both ends and the pipe connection of valve body, when the valve plate is opened to needs and is led to water, press the opening button, make the hydraulic stem promote the rack and move forward, the one end that the hydraulic stem was kept away from to the rack slides spacingly at the spacing inslot, thereby it drives gear revolve to make the rack, the gear drives the valve rod and rotates, the valve rod drives the valve plate and rotates, two arc dogs are kept away from to the messenger's valve plate, thereby it leads to water, avoided because of too big and hard going of water pressure and rotate the carousel.
Two, a multistage sealed butterfly valve, when closing, only need press the close button, make the hydraulic stem withdrawal, the one end that the hydraulic stem was kept away from to the rack slides spacingly at the spacing inslot for the rack drives the gear reversal, and the gear drives the valve rod reversal, and the valve rod drives the valve plate reversal, makes the valve plate close, thereby blocks rivers, can laminate with the arc rubber pad of arc dog one side after the valve plate is closed, thereby strengthen the sealing to the butterfly valve, prevent to have the water leakage.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure A in FIG. 1 of the present invention;
fig. 3 is a cross-sectional view of the valve body of the present invention;
fig. 4 is a schematic top view of the present invention.
In the figure: 1. a valve body; 2. a valve stem; 3. a valve plate; 4. an arc-shaped stop block; 5. an arc-shaped rubber pad; 6. a first slot; 7. a first sealed bearing; 8. a second slot; 9. a second sealed bearing; 10. a housing; 11. a gear; 12. a hydraulic lever; 13. a rack; 14. a connecting rod; 15. a fixed block; 16. a limiting groove; 17. an open button; 18. a close button; 19. a signboard.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): as shown in figures 1-4, the utility model relates to a multi-stage sealing butterfly valve, which comprises a valve body 1, a valve rod 2 is arranged in the valve body 1, a valve plate 3 is fixedly connected on the valve rod 2, arc-shaped stoppers 4 are arranged on both sides of the valve plate 3, the arc-shaped stoppers 4 are fixedly connected on the inner wall of the valve body 1, an arc-shaped rubber pad 5 is arranged on one side of the arc-shaped stoppers 4 close to the valve rod 2, a first slot 6 is arranged on the inner wall of the valve body 1 below the valve rod 2, a first sealing bearing 7 is fixedly embedded in the inner wall of the first slot 6, the valve rod 2 is fixedly embedded in the inner wall of the first sealing bearing 7, a second slot 8 is arranged on the valve body 1 above the valve rod 2, a second sealing bearing 9 is fixedly connected in the inner wall of the second slot 8, the outer wall of the valve rod 2 is fixedly embedded in the inner wall of the second sealing bearing, be equipped with gear 11 in casing 10, and gear 11 fixed cover is established on the outer wall of valve rod 2, one side inner wall fixedly connected with hydraulic stem 12 of casing 10, the one end fixedly connected with rack 13 of hydraulic stem 12, one side that hydraulic stem 12 was kept away from to valve rod 2 is equipped with connecting rod 14, connecting rod 14's lower extreme fixedly connected with fixed block 15, spacing groove 16 has been seted up to one side that fixed block 15 is close to gear 11, rack 13 keeps away from hydraulic stem 12's one end and extends to in the spacing groove 16, casing 10's top is equipped with opening button 17 and closing button 18, opening button 17 and closing button 18's downside all is equipped with signboard 19, and signboard 19 fixed connection of signboard is at the upside of casing 10.
Specifically, when the utility model is used, the two ends of the valve body 1 are connected with the pipeline, when the valve plate 3 needs to be opened for water supply, the opening button 17 is pressed to enable the hydraulic rod 12 to push the rack 13 to move forwards, the end of the rack 13 far away from the hydraulic rod 12 is limited in the limiting groove 16 in a sliding manner, so that the rack 13 drives the gear 11 to rotate, the gear 11 drives the valve rod 2 to rotate, the valve rod 2 drives the valve plate 3 to rotate, the valve plate 3 is far away from the two arc-shaped stoppers 4 for water supply, thereby avoiding the problem of labor waste in rotating the turntable due to excessive water pressure, when the valve is closed, only the closing button 18 is pressed to retract the hydraulic rod 12, the end of the rack 13 far away from the hydraulic rod 12 is limited in the limiting groove 16 in a sliding manner, so that the rack 13 drives the gear 11 to rotate reversely, the gear 11 drives the valve rod 2 to rotate reversely, the valve rod 2 drives the, valve plate 3 closes the back and can laminate with arc rubber pad 5 of arc dog 4 one side to strengthen the sealed of butterfly valve, prevent to have the water leakage to go out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The multistage sealing butterfly valve comprises a valve body (1) and is characterized in that a valve rod (2) is arranged in the valve body (1), a valve plate (3) is fixedly connected onto the valve rod (2), arc-shaped check blocks (4) are arranged on two sides of the valve plate (3), the arc-shaped check blocks (4) are fixedly connected onto the inner wall of the valve body (1), arc-shaped rubber gaskets (5) are arranged on one sides, close to the valve rod (2), of the arc-shaped check blocks (4), first grooves (6) are formed in the inner wall of the valve body (1) below the valve rod (2), first sealing bearings (7) are fixedly embedded in the inner walls of the first grooves (6), the valve rod (2) is fixedly embedded in the inner walls of the first sealing bearings (7), second grooves (8) are formed in the valve body (1) above the valve rod (2), and second sealing bearings (9) are fixedly connected into the inner walls of the second grooves (8), the outer wall of the valve rod (2) is fixedly embedded in the inner wall of the second sealing bearing (9), the upper side of the valve body (1) is fixedly connected with a shell (10), the valve rod (2) penetrates through the top wall of the second sealing bearing (9) and the shell (10) to be connected in a rotating mode, a gear (11) is arranged in the shell (10), the gear (11) is fixedly sleeved on the outer wall of the valve rod (2), one side inner wall of the shell (10) is fixedly connected with a hydraulic rod (12), one end of the hydraulic rod (12) is fixedly connected with a rack (13), one side, away from the hydraulic rod (12), of the valve rod (2) is provided with a connecting rod (14), the lower end of the connecting rod (14) is fixedly connected with a fixing block (15), one side, close to the gear (11), of the fixing block (15) is provided with a limiting groove (16), one end, away from the hydraulic rod (12), of, the top of casing (10) is equipped with opening button (17) and closing button (18), the downside of opening button (17) and closing button (18) all is equipped with signboard (19), just signboard (19) fixed connection is in the upside of casing (10).
2. A multi-stage sealing butterfly valve according to claim 1, characterised in that said gear (11) is engaged with a rack (13).
3. The butterfly valve according to claim 1, characterised in that said rack (13) is slidingly associated with a limiting groove (16).
4. The multi-stage sealing butterfly valve according to claim 1, characterised in that said arc-shaped rubber gasket (5) is fixedly connected to said arc-shaped stop (4).
5. A multi-stage sealing butterfly valve according to claim 1, characterised in that said identification plate (19) corresponds to a respective opening button (17) and closing button (18).
6. A multi-stage sealing butterfly valve according to claim 1, characterised in that said arc-shaped stop (4) is adapted to the inner wall of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021141993.1U CN212868498U (en) | 2020-06-19 | 2020-06-19 | Multi-stage sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021141993.1U CN212868498U (en) | 2020-06-19 | 2020-06-19 | Multi-stage sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212868498U true CN212868498U (en) | 2021-04-02 |
Family
ID=75210758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021141993.1U Active CN212868498U (en) | 2020-06-19 | 2020-06-19 | Multi-stage sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212868498U (en) |
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2020
- 2020-06-19 CN CN202021141993.1U patent/CN212868498U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210420 Address after: 201506 Building 2, No. 999, langgong Road, Jinshan Industrial Zone, Jinshan District, Shanghai Patentee after: Shanghai Ruibang Pump Manufacturing Co.,Ltd. Address before: 201605 No. 398 Xinlu Road, Xinbang Town, Songjiang District, Shanghai Patentee before: SHANGHAI LANGPEI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |