CN220118771U - Butterfly valve with locking structure - Google Patents
Butterfly valve with locking structure Download PDFInfo
- Publication number
- CN220118771U CN220118771U CN202321582605.7U CN202321582605U CN220118771U CN 220118771 U CN220118771 U CN 220118771U CN 202321582605 U CN202321582605 U CN 202321582605U CN 220118771 U CN220118771 U CN 220118771U
- Authority
- CN
- China
- Prior art keywords
- shaft
- meshing
- valve body
- locking structure
- driving
- 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
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 description 6
- 230000035882 stress Effects 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000006355 external stress Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model relates to a butterfly valve with a locking structure, which aims to solve the technical problems that the locking angle of the butterfly valve with the locking function is single at present, and the butterfly valve can not flexibly adapt to the locking required by different flow rates, and comprises a valve body mechanism and a pressing locking structure; the pressing locking structure penetrates through the valve body mechanism and extends to the outside of the valve body mechanism; the pressing locking structure comprises a rotary driven mechanism, a meshing shaft disc and a restoring force driving mechanism. According to the utility model, the meshing shaft disc is meshed with the valve body mechanism, the locking function is formed by matching with the elastic stress of the restoring force driving mechanism, and the single meshing shaft disc is utilized to realize the requirements of different locking at multiple angles, so that the free locking requirements of different flow quantities in the actual use process can be flexibly and effectively adapted.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with a locking structure.
Background
The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media.
The application number is as follows: CN202022720524.1 self-locking butterfly valve; application number: CN202320036869. X A butterfly valve with locking structure. Although the beneficial effects are more, the existing butterfly valve with the locking function still has the following defects at present:
the existing butterfly valve with locking function is spliced and positioned by arranging a plurality of holes and grooves on a valve body and matching with elastic bolt components arranged on a hand wheel rod, locking operation is carried out by utilizing the matching of a butterfly valve plate and the holes and grooves on the hand wheel rod, but the locking range is limited in the actual production and preparation process because the holes and grooves are arranged at the end part of the valve body, the internal channel of the butterfly valve body can be only subjected to positioning locking control of opening and closing at a small angle, the flow quantity of a butterfly valve control channel is different for different flowing media and actual conveying states in the actual application process, the required flow quantity is different, and the requirement of the existing actual use cannot be met, so that how to put forward a butterfly valve with a multidirectional locking structure, which is convenient for flexibly adapting to different flow quantities, is particularly important.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a butterfly valve with a locking structure so as to solve the technical problems that the locking angle of the butterfly valve with the locking function is single, and the butterfly valve cannot be flexibly adapted to the locking required by different flow.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the butterfly valve with the locking structure comprises a valve body mechanism and a pressing locking structure; the pressing locking structure penetrates through the valve body mechanism and extends to the outside of the valve body mechanism; the pressing locking structure comprises a rotary driven mechanism, a meshing shaft disc and a restoring force driving mechanism; the rotary driven mechanism penetrates through the valve body mechanism and extends to the outside of the valve body mechanism; the meshing shaft disc is sleeved on the outer wall of the rotary driven mechanism and connected with the valve body mechanism; the restoring force driving mechanism penetrates through the rotary driven mechanism and extends to the outside of the rotary driven mechanism; wherein, the rotary driven mechanism, the meshing shaft disc, the restoring force driving mechanism and the valve body mechanism form a multidirectional locking structure. According to the utility model, the meshing shaft disc is meshed with the valve body mechanism, the locking function is formed by matching with the elastic stress of the restoring force driving mechanism, and the single meshing shaft disc is utilized to realize the requirements of different locking at multiple angles, so that the free locking requirements of different flow quantities in the actual use process can be flexibly and effectively adapted.
Preferably, the valve body mechanism comprises a valve body main body and a positioning engagement groove; the valve body main body is arranged at one side of the pressing locking structure; the positioning engagement groove is formed in the surface of the valve body main body; wherein the positioning and meshing groove is in a shape of wide upper part and narrow lower part. The positioning and meshing groove is provided with the meshing shaft disc matched with the positioning and meshing groove in an adaptive manner, the locking and moving states are formed through contact and separation of the meshing shaft disc and the positioning and meshing groove, the stroke distance required by the separation process of the meshing shaft disc and the positioning and meshing groove is effectively shortened by utilizing the shape of the positioning and meshing groove with the upper part being wide and the lower part being narrow, the pressing stroke distance required by the restoring force driving mechanism is relatively shortened, and synchronous pressing action in the rotating process is convenient for the actual operation of the butterfly valve in the opening and closing process.
Preferably, the meshing shaft disc consists of a locking tooth head and an operation sleeve; the locking tooth head is matched with the positioning and meshing groove in shape, and the locking tooth head is meshed with the valve body through the positioning and meshing groove; wherein, the gap of the inner wall of the meshing shaft disc forms an operation cavity; the operation cavity is polygonal; wherein, at least two meshing grooves A are symmetrically arranged on the inner wall of the operation sleeve.
Preferably, the rotary driven mechanism comprises a connecting shaft body and a driven gear; the connecting shaft body penetrates through the meshing shaft disc and extends into the valve body main body; the connecting shaft body consists of a valve core shaft, a limiting shaft A and a positioning seat; wherein the outer wall of the limiting shaft A is matched with the shape of the operating cavity; at least two driven gears are arranged on the limiting shaft A through a mounting pin; the driven gears correspond to the meshing grooves A in number and position; wherein the driven gear is in meshed connection with the operation sleeve through the meshing groove A; wherein, the internal clearance of the limiting shaft A forms a driving cavity; and the driving cavity is in a polygonal shape. According to the utility model, the connecting shaft body formed by the valve core shaft, the limiting shaft A and the positioning seat is matched with the polygonal shape of the outer wall of the limiting shaft A and the inner wall of the operation sleeve, so that the connecting shaft body and the meshing shaft disc can synchronously limit and rotate in a separated state, and the main connecting stress of the connecting shaft body and the meshing shaft disc is borne.
Preferably, the restoring force driving mechanism comprises a driving shaft body, a hand wheel and a restoring force spring; the driving shaft body penetrates through the driving cavity; the driving shaft body is composed of the driving shaft, a limiting shaft B and a connecting shaft; wherein the shape of the outer wall of the driving shaft body is matched with the shape of the driving cavity; wherein, the outer wall of the driving shaft body is provided with a meshing groove B at the position corresponding to the driven gear; wherein the driven gear is in meshed connection with the driving shaft through a meshing groove B; the hand wheel is arranged at the end part of the connecting shaft through a bolt; the restoring force spring is sleeved on the limiting shaft B and connected with the limiting shaft A; the driving shaft body is elastically connected with the connecting shaft body through a restoring spring. According to the utility model, the driven gear is provided with the matched meshing groove A and the meshing groove B, and the elastic force of the restoring force spring is utilized to enable the butterfly valve to be opened and rotated to a proper angle, and the restoring force spring is supported by the driving shaft body to push the driving shaft body and the hand wheel to integrally move outwards, so that the driven gear rotates to synchronously enable the meshing shaft disc to approach the valve body main body for meshing operation, and the stable locking operation can be carried out without external stress after the butterfly valve is opened.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the meshing shaft disc is meshed with the valve body mechanism, the locking function is formed by matching with the elastic stress of the restoring force driving mechanism, and the single meshing shaft disc is utilized to realize the requirements of different locking at multiple angles, so that the free locking requirements of different flow quantities in the actual use process can be flexibly and effectively adapted.
2. The positioning and meshing groove is provided with the meshing shaft disc matched with the positioning and meshing groove in an adaptive manner, the locking and moving states are formed through contact and separation of the meshing shaft disc and the positioning and meshing groove, the stroke distance required by the separation process of the meshing shaft disc and the positioning and meshing groove is effectively shortened by utilizing the shape of the positioning and meshing groove with the upper part being wide and the lower part being narrow, the pressing stroke distance required by the restoring force driving mechanism is relatively shortened, and synchronous pressing action in the rotating process is convenient for the actual operation of the butterfly valve in the opening and closing process.
3. According to the utility model, the connecting shaft body formed by the valve core shaft, the limiting shaft A and the positioning seat is matched with the polygonal shape of the outer wall of the limiting shaft A and the inner wall of the operation sleeve, so that the connecting shaft body and the meshing shaft disc can synchronously limit and rotate in a separated state, and the main connecting stress of the connecting shaft body and the meshing shaft disc is borne.
4. According to the utility model, the driven gear is provided with the matched meshing groove A and the meshing groove B, and the elastic force of the restoring force spring is utilized to enable the butterfly valve to be opened and rotated to a proper angle, and the restoring force spring is supported by the driving shaft body to push the driving shaft body and the hand wheel to integrally move outwards, so that the driven gear rotates to synchronously enable the meshing shaft disc to approach the valve body main body for meshing operation, and the stable locking operation can be carried out without external stress after the butterfly valve is opened.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic perspective view of a valve mechanism according to the present utility model;
FIG. 3 is a schematic perspective view of a rotary driven mechanism, a meshing shaft disc and a restoring force driving mechanism in the utility model;
FIG. 4 is a schematic cross-sectional view of the press-locking structure of the present utility model;
fig. 5 is a schematic view showing a sectional and separated structure of the press locking structure according to the present utility model.
In the figure: 1. a valve body mechanism; 2. pressing the locking structure; 3. a rotary driven mechanism; 4. engaging the hub; 5. a restoring force driving mechanism;
101. a valve body; 102. positioning the meshing groove;
301. a connecting shaft body; 302. a driven gear;
401. locking the tooth head; 402. an operating sleeve;
501. a drive shaft body; 502. a hand wheel; 503. and a restoring force spring.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
example 1: a butterfly valve with a locking structure, see fig. 1-5, comprises a valve body mechanism 1 and a pressing locking structure 2; the pressing locking structure 2 penetrates through the valve body mechanism 1 and extends to the outside of the valve body mechanism 1; the pressing locking structure 2 comprises a rotary driven mechanism 3, a meshing shaft disc 4 and a restoring force driving mechanism 5; the rotary driven mechanism 3 penetrates through the valve body mechanism 1 and extends to the outside of the valve body mechanism 1; the meshing shaft disc 4 is sleeved on the outer wall of the rotary driven mechanism 3 and is connected with the valve body mechanism 1; the complex force driving mechanism 5 penetrates through the rotary driven mechanism 3 and extends to the outside of the rotary driven mechanism 3; wherein, the rotary driven mechanism 3, the meshing shaft disk 4 and the restoring force driving mechanism 5 and the valve body mechanism 1 form a multidirectional locking structure. According to the utility model, the meshing shaft disc 4 is meshed with the valve body mechanism 1, the elastic stress of the complex force driving mechanism 5 is matched, a locking function is formed, and the single meshing shaft disc 4 is utilized to realize the requirements of different locking at multiple angles, so that the free locking requirements of different flow quantities in the actual use process can be flexibly and effectively adapted.
Specifically, the valve body mechanism 1 includes a valve body main body 101 and a positioning engagement groove 102; the valve body main body 101 is arranged at one side of the pressing locking structure 2; the positioning engagement groove 102 is formed on the surface of the valve body main body 101; wherein the positioning engagement groove 102 is in a shape of wide upper part and narrow lower part. The positioning and meshing groove 102 is provided with the meshing shaft disk 4 matched with the positioning and meshing groove in an adaptive manner, the locking and moving states are formed through the contact and separation of the meshing shaft disk 4 and the positioning and meshing groove 102, the stroke distance required by the separation process of the meshing shaft disk 4 and the positioning and meshing groove 102 is effectively shortened by utilizing the shape of the positioning and meshing groove 102 with the upper part being wide and the lower part being narrow, the pressing stroke distance required by the restoring force driving mechanism 5 is relatively shortened, and the synchronous pressing action in the rotating process is required in the opening and closing process of the butterfly valve in actual operation.
Further, the engaging shaft disc 4 is composed of a locking tooth head 401 and an operating sleeve 402; wherein, the locking tooth head 401 is matched with the shape of the positioning and meshing groove 102, and the locking tooth head 401 is meshed and matched with the valve body main body 101 through the positioning and meshing groove 102; wherein, the gap of the inner wall of the meshing shaft disc 4 forms an operation cavity; the operation cavity is polygonal; at least two engaging grooves a are symmetrically formed on the inner wall of the operating sleeve 402.
Still further, the rotary driven mechanism 3 includes a connecting shaft body 301 and a driven gear 302; the connecting shaft body 301 penetrates through the meshing shaft disc 4 and extends into the valve body main body 101; the connecting shaft body 301 is composed of a valve core shaft, a limiting shaft A and a positioning seat; wherein, the outer wall of the limiting shaft A is matched with the shape of the operation cavity; at least two driven gears 302 are arranged on the limiting shaft A through a mounting pin; the driven gears 302 correspond to the number and positions of the meshing grooves a; wherein, the driven gear 302 is in meshed connection with the operation sleeve 402 through the meshing groove A; wherein, the internal clearance of the limiting shaft A forms a driving cavity; and the driving cavity is polygonal. The utility model is characterized in that the connecting shaft body 301 consisting of a valve core shaft, a limiting shaft A and a positioning seat is matched with a polygonal shape of the outer wall of the limiting shaft A and the inner wall of an operation sleeve 402, so that the connecting shaft body 301 can synchronously limit and rotate with the meshing shaft disk 4 in a separated state, and the main connecting stress of the connecting shaft body 301 and the meshing shaft disk 4 is borne.
It should be noted that the restoring force driving mechanism 5 includes a driving shaft 501, a hand wheel 502 and a restoring force spring 503; the driving shaft body 501 is arranged in the driving cavity in a penetrating way; the driving shaft body 501 is composed of a driving shaft, a limiting shaft B and a connecting shaft; wherein, the shape of the outer wall of the driving shaft body 501 is matched with the shape of the driving cavity; wherein, a meshing groove B is arranged on the outer wall of the driving shaft body 501 at a position opposite to the driven gear 302; wherein, the driven gear 302 is meshed with the driving shaft through the meshing groove B; the hand wheel 502 is arranged at the end part of the connecting shaft through bolts; the restoring force spring 503 is sleeved on the limiting shaft B and connected with the limiting shaft A; wherein the driving shaft body 501 is elastically connected with the connecting shaft body 301 by a restoring spring 503. According to the utility model, the driven gear 302 is provided with the matched meshing groove A and the meshing groove B, and the elastic force of the restoring force spring 503 is utilized to enable the butterfly valve to be opened and rotated to a proper angle, and the restoring force spring 503 is supported by the driving shaft body 501 to push the driving shaft body 501 and the hand wheel 502 to integrally move outwards, so that the driven gear 302 rotates to synchronously enable the meshing shaft disc 4 to approach the valve body main body 101 for meshing operation, and the stable locking operation can be carried out without external stress after the butterfly valve is opened.
Working principle: firstly, the butterfly valve is opened, the manual pressing of the hand wheel 502 synchronously compresses the restoring force spring 503 at the moment, the whole driving shaft body 501 is close to the valve body main body 101, the driven gear 302 rotates through the meshing groove B, the meshing shaft disk 4 is synchronously meshed with the driven gear 302 in the meshing groove A and is far away from the valve body main body 101, the locking tooth head 401 is separated from the positioning meshing groove 102, meanwhile, the upper wide and lower narrow shape of the positioning meshing groove 102 is utilized, the positioning meshing groove 102 is separated from the protruding end of the locking tooth head 401, then the manual pressing of the hand wheel 502 synchronously rotates the hand wheel 502 to enable the valve core connected with the end of the valve core to rotate for opening the butterfly valve, meanwhile, the hand wheel 502 is rotated relatively by the compressing elastic force of the restoring force spring 503 in the rotating process, the force of the hand wheel 502 is effectively shortened, the force of manually applying pressure is reduced, meanwhile, the required angle rotation in the pressing process is facilitated, after the proper angle is rotated, the hand wheel 502 is manually released, the driving shaft body 501 is far away from the valve body 101 under the effect of the restoring force spring 503, and the locking shaft body 501 is synchronously utilized to drive the meshing shaft disk 4 to be close to the positioning meshing groove 102 under the effect of the restoring force spring 503, and the locking operation is synchronously utilized.
The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.
Claims (5)
1. The butterfly valve with the locking structure is characterized by comprising a valve body mechanism (1) and a pressing locking structure (2); the pressing locking structure (2) penetrates through the valve body mechanism (1) and extends to the outside of the valve body mechanism (1);
the pressing locking structure (2) comprises a rotary driven mechanism (3), a meshing shaft disc (4) and a restoring force driving mechanism (5); the rotary driven mechanism (3) penetrates through the valve body mechanism (1) and extends to the outside of the valve body mechanism (1); the meshing shaft disc (4) is sleeved on the outer wall of the rotary driven mechanism (3) and connected with the valve body mechanism (1); the restoring force driving mechanism (5) penetrates through the rotary driven mechanism (3) and extends to the outside of the rotary driven mechanism (3);
wherein the rotary driven mechanism (3), the meshing shaft disc (4) and the restoring force driving mechanism (5) and the valve body mechanism (1) form a multidirectional locking structure.
2. The butterfly valve with a locking structure according to claim 1, wherein the valve body mechanism (1) includes a valve body main body (101) and a positioning engagement groove (102);
the valve body main body (101) is arranged at one side of the pressing locking structure (2); the positioning engagement groove (102) is formed in the surface of the valve body main body (101); wherein the positioning engagement groove (102) is in a shape of wide upper part and narrow lower part.
3. Butterfly valve with locking structure according to claim 2, characterized in that the engagement disc (4) consists of a locking tooth head (401) and an operating sleeve (402); the locking tooth head (401) is matched with the positioning and meshing groove (102) in shape, wherein the locking tooth head (401) is meshed and matched with the valve body main body (101) through the positioning and meshing groove (102); wherein, the gap on the inner wall of the meshing shaft disc (4) forms an operation cavity; the operation cavity is polygonal; wherein, at least two engaging grooves A are symmetrically arranged on the inner wall of the operating sleeve (402).
4. A butterfly valve with locking structure according to claim 3, characterized in that said rotary follower (3) comprises a connecting shaft (301) and a follower gear (302);
the connecting shaft body (301) penetrates through the meshing shaft disc (4) and extends into the valve body main body (101); the connecting shaft body (301) is composed of a valve core shaft, a limiting shaft A and a positioning seat; wherein the outer wall of the limiting shaft A is matched with the shape of the operating cavity; at least two driven gears (302) are arranged on the limiting shaft A through mounting pins; the number and the positions of the driven gears (302) are corresponding to those of the meshing grooves A; wherein the driven gear (302) is in meshed connection with the operation sleeve (402) through the meshing groove A; wherein, the internal clearance of the limiting shaft A forms a driving cavity; and the driving cavity is in a polygonal shape.
5. The butterfly valve with a locking structure according to claim 4, characterized in that the return force driving mechanism (5) comprises a driving shaft body (501), a hand wheel (502) and a return force spring (503);
the driving shaft body (501) is arranged in the driving cavity in a penetrating way; the driving shaft body (501) is composed of the driving shaft, a limiting shaft B and a connecting shaft; wherein the shape of the outer wall of the driving shaft body (501) is matched with the shape of the driving cavity; wherein, the outer wall of the driving shaft body (501) is provided with a meshing groove B at the position corresponding to the driven gear (302); wherein the driven gear (302) is in meshed connection with the driving shaft through a meshing groove B; the hand wheel (502) is arranged at the end part of the connecting shaft through a bolt; the restoring force spring (503) is sleeved on the limiting shaft B and connected with the limiting shaft A; wherein the driving shaft body (501) is elastically connected with the connecting shaft body (301) through a restoring spring (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321582605.7U CN220118771U (en) | 2023-06-20 | 2023-06-20 | Butterfly valve with locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321582605.7U CN220118771U (en) | 2023-06-20 | 2023-06-20 | Butterfly valve with locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118771U true CN220118771U (en) | 2023-12-01 |
Family
ID=88896375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321582605.7U Active CN220118771U (en) | 2023-06-20 | 2023-06-20 | Butterfly valve with locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118771U (en) |
-
2023
- 2023-06-20 CN CN202321582605.7U patent/CN220118771U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10859169B2 (en) | Valve seat driven forced seal ball valve | |
| CN204099618U (en) | Butterfly valve | |
| CN107191614A (en) | A kind of forced seal ball valve with scroll spring arrangement of clutch | |
| CN105221768A (en) | A kind of double rocking lever is without friction hard-sealing butterfly valve | |
| CN220118771U (en) | Butterfly valve with locking structure | |
| CN101382199B (en) | Zero-friction hard-sealing butterfly valve | |
| CN109854760B (en) | Guide balance butterfly valve | |
| CN205078803U (en) | Double -rocker zero friction butterfly valve sealed firmly | |
| CN204127333U (en) | With the substep open-close type butterfly valve of guide's pressure release | |
| CN201250910Y (en) | Zero friction hard seal butterfly valve | |
| CN208793764U (en) | A kind of electric butterfly valve of good seal performance | |
| CN208185525U (en) | A kind of combination valve | |
| CN105221767B (en) | A kind of Zero-friction hard-sealing butterfly valve | |
| CN215410405U (en) | High-restoring-force safety type spring reset ball valve | |
| CN205089997U (en) | Zero -friction hard -sealing butterfly valve | |
| CN210135249U (en) | Guide balance type butterfly valve | |
| CN111173987A (en) | Pre-decompression butterfly valve | |
| CN211344191U (en) | Driving device for sequential linkage opening and closing | |
| CN215861869U (en) | Long-life three-way valve for comprehensive utilization of waste oil | |
| CN220600492U (en) | Hydraulic plug valve | |
| CN220134662U (en) | Ball valve with movable valve seat | |
| CN2605429Y (en) | Superhard sealing compositive valve | |
| CN215409024U (en) | Oil supply device of single-shaft multi-axial micro plunger pump | |
| CN217130387U (en) | Hydraulic forced sealing structure for valve | |
| CN220816336U (en) | Clutch boosting mechanism with emergency function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |