CN208457221U - A kind of butterfly valve with protective device - Google Patents
A kind of butterfly valve with protective device Download PDFInfo
- Publication number
- CN208457221U CN208457221U CN201821078526.1U CN201821078526U CN208457221U CN 208457221 U CN208457221 U CN 208457221U CN 201821078526 U CN201821078526 U CN 201821078526U CN 208457221 U CN208457221 U CN 208457221U
- Authority
- CN
- China
- Prior art keywords
- fixed block
- welded
- valve
- butterfly
- transmission shaft
- 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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- Valve Housings (AREA)
Abstract
The utility model discloses a kind of butterfly valves with protective device, including valve body, butterfly plate and valve rod, the butterfly plate is located at the inside of valve body, one end of valve rod is rotatablely connected through the side inner wall of butterfly plate and valve body, fixed frame is welded at the top of valve body, fixed block is welded at the top of fixed frame, fixed block is hollow structure, one end of valve rod extends to the inside of fixed block, one end that valve rod is located inside fixed block is welded with first bevel gear, the inside of fixed block is equipped with transmission shaft, one end of transmission shaft is welded with second bevel gear, and first bevel gear is meshed with second bevel gear, the side of fixed block offers connecting hole, the other end of transmission shaft extends to the outside of fixed block through connecting hole.The utility model structure is simple, and design rationally, can prevent butterfly valve from unexpected rotation occurs, to solve the defect of butterfly valve protective device structure complexity in the prior art.
Description
Technical field
The utility model relates to valve technology field more particularly to a kind of butterfly valves with protective device.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, and a kind of valve of open and close is reached around valve shaft rotation.But it passes
The drive mechanism of the butterfly valve of system is simple, lacks the structure of the anti-raw unintentional rotation of limitation drive mechanism, current some novel butterfly valves
The structure of limit is also increased, but structure is complicated, higher cost, is unfavorable for being widely applied.
Summary of the invention
The utility model proposes a kind of butterfly valve with protective device, solve butterfly valve protective device structure in the prior art
Complicated defect.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of butterfly valve with protective device, including valve body, butterfly plate and valve rod, the butterfly plate are located at the inside of valve body, valve rod
One end be rotatablely connected through the side inner wall of butterfly plate and valve body, fixed frame, the top weldering of fixed frame are welded at the top of valve body
It is connected to fixed block, fixed block is hollow structure, and one end of valve rod extends to the inside of fixed block, and valve rod is located inside fixed block
One end is welded with first bevel gear, and the inside of fixed block is equipped with transmission shaft, and one end of transmission shaft is welded with second bevel gear, and the
One bevel gear is meshed with second bevel gear, and the side of fixed block offers connecting hole, and the other end of transmission shaft runs through connecting hole
The outside of fixed block is extended to, one end that transmission shaft is located at outside fixed block is welded with turntable, peace is offered at the top of connecting hole
Hole is set, the inside of placement hole is equipped with adjustable column, and one end of adjustable column extends to the outside of fixed block.
Preferably, if arterial highway limiting slot is uniformly carved on the surface of the transmission shaft, the other end of adjustable column extends to limit
The inside of position slot, and it is triangular structure of right angle that adjustable column, which is located at one end inside limiting slot,.
Preferably, the outside weldings of the adjustable column have spring fixture block, and spring fixture block is located at the inside of placement hole, adjustable column
Outer cover be equipped with spring, spring is between spring fixture block and the top inner wall of placement hole.
Preferably, one end that the adjustable column is located at outside fixed block is welded with fixed plate, the connection of valve rod and fixed block
Place is equipped with bearing.
The beneficial effects of the utility model are:
By the cooperation between placement hole, adjustable column, spring fixture block, driving column, tooth socket and fixed plate, to preventing driving column
The purpose of unintentional rotation, to solve the defect of butterfly valve protective device structure complexity in the prior art.
The utility model structure is simple, and design rationally, can prevent butterfly valve from unexpected rotation occurs, to solve existing
The defect of butterfly valve protective device structure complexity in technology.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of butterfly valve with protective device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of butterfly valve with protective device A at big enlarged drawing；
Fig. 3 be the utility model proposes a kind of butterfly valve with protective device adjustable column structural schematic diagram.
In figure: 1 valve body, 2 butterfly plates, 3 valve rods, 4 fixed frames, 5 fixed blocks, 6 first bevel gears, 7 second bevel gears, 8 transmissions
Axis, 9 turntables, 10 adjustable columns, 11 placement holes, 12 spring fixture blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of butterfly valve with protective device, including valve body 1, butterfly plate 2 and valve rod 3, butterfly plate 2 are located at valve body 1
Inside, one end of valve rod 3 is rotatablely connected through the side inner wall of butterfly plate 2 and valve body 1, and the top of valve body 1 is welded with fixed frame
4, the top of fixed frame 4 is welded with fixed block 5, and fixed block 5 is hollow structure, and one end of valve rod 3 extends to the interior of fixed block 5
Portion, one end that valve rod 3 is located inside fixed block 5 are welded with first bevel gear 6, and the inside of fixed block 5 is equipped with transmission shaft 8, transmission
One end of axis 8 is welded with second bevel gear 7, and first bevel gear 6 is meshed with second bevel gear 7, and the side of fixed block 5 opens up
There is connecting hole, the other end of transmission shaft 8 extends to the outside of fixed block 5 through connecting hole, and transmission shaft 8 is located at outside fixed block 5
One end be welded with turntable 9, offer placement hole 11 at the top of connecting hole, the inside of placement hole 11 is equipped with adjustable column 10, adjusts
One end of column 10 extends to the outside of fixed block 5.
In the present embodiment, if arterial highway limiting slot is uniformly carved on the surface of transmission shaft 8, the other end of adjustable column 10 is extended to
The inside of limiting slot, and it is triangular structure of right angle, the external weldering of adjustable column 10 that adjustable column 10, which is located at one end inside limiting slot,
It is connected to spring fixture block 12, spring fixture block 12 is located at the inside of placement hole 11, and the outer cover of adjustable column 10 is equipped with spring, and spring is located at
Between spring fixture block 12 and the top inner wall of placement hole 11, one end that adjustable column 10 is located at outside fixed block 5 is welded with fixed plate,
The junction of valve rod 3 and fixed block 5 is equipped with bearing, and inner ring and the valve rod 3 of bearing weld together, the outer ring of bearing and fixation
Block 5 welds together.
In the present embodiment, one end of the right angled triangle of adjustable column 12 extends to the inside of tooth socket, so that transmission shaft 8 can only
It rotates in one direction, therefore can prevent transmission shaft 8 from unintentional rotation occurs after butterfly plate 2 is fastened, when needing to open butterfly plate 2
When, then extracting adjustable column 10 upwards can rotate so that one end of adjustable column 10 is left in the tooth socket on 8 surface of transmission shaft
Turntable 9 opens butterfly plate 2.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of butterfly valve with protective device, including valve body (1), butterfly plate (2) and valve rod (3), which is characterized in that the butterfly plate
(2) it is located at the inside of valve body (1), side inner wall of the one end of valve rod (3) through butterfly plate (2) and valve body (1) is rotatablely connected, valve body
(1) it being welded with fixed frame (4), is welded at the top of fixed frame (4) fixed block (5) at the top of, fixed block (5) is hollow structure,
One end of valve rod (3) extends to the inside of fixed block (5), and valve rod (3) is located at the internal one end of fixed block (5) and is welded with the first cone
The inside of gear (6), fixed block (5) is equipped with transmission shaft (8), and one end of transmission shaft (8) is welded with second bevel gear (7), and the
One bevel gear (6) is meshed with second bevel gear (7), and the side of fixed block (5) offers connecting hole, transmission shaft (8) it is another
End extends to the outside of fixed block (5) through connecting hole, and transmission shaft (8) is located at the external one end of fixed block (5) and is welded with turntable
(9), it is offered at the top of connecting hole placement hole (11), the inside of placement hole (11) is equipped with adjustable column (10), adjustable column (10)
One end extends to the outside of fixed block (5).
2. a kind of butterfly valve with protective device according to claim 1, which is characterized in that the surface of the transmission shaft (8)
If being uniformly carved with arterial highway limiting slot, the other end of adjustable column (10) extends to the inside of limiting slot, and adjustable column (10) is located at
One end inside limiting slot is triangular structure of right angle.
3. a kind of butterfly valve with protective device according to claim 1, which is characterized in that the outside of the adjustable column (10)
It is welded with spring fixture block (12), spring fixture block (12) is located at the inside of placement hole (11), and the outer cover of adjustable column (10) is equipped with bullet
Spring, spring are located between spring fixture block (12) and the top inner wall of placement hole (11).
4. a kind of butterfly valve with protective device according to claim 1, which is characterized in that the adjustable column (10) is located at solid
Determine the external one end of block (5) and be welded with fixed plate, valve rod (3) and the junction of fixed block (5) are equipped with bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821078526.1U CN208457221U (en) | 2018-07-09 | 2018-07-09 | A kind of butterfly valve with protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821078526.1U CN208457221U (en) | 2018-07-09 | 2018-07-09 | A kind of butterfly valve with protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208457221U true CN208457221U (en) | 2019-02-01 |
Family
ID=65170374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821078526.1U Expired - Fee Related CN208457221U (en) | 2018-07-09 | 2018-07-09 | A kind of butterfly valve with protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208457221U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374979A (en) * | 2021-04-25 | 2021-09-10 | 倪士秀 | Plastic composite pipe |
| CN113883283A (en) * | 2021-09-08 | 2022-01-04 | 精工阀门集团有限公司 | Novel butterfly valve with locking structure |
| CN114607857A (en) * | 2022-01-28 | 2022-06-10 | 华能国际电力股份有限公司德州电厂 | Environment-friendly energy-saving desulfurization system |
-
2018
- 2018-07-09 CN CN201821078526.1U patent/CN208457221U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374979A (en) * | 2021-04-25 | 2021-09-10 | 倪士秀 | Plastic composite pipe |
| CN113883283A (en) * | 2021-09-08 | 2022-01-04 | 精工阀门集团有限公司 | Novel butterfly valve with locking structure |
| CN114607857A (en) * | 2022-01-28 | 2022-06-10 | 华能国际电力股份有限公司德州电厂 | Environment-friendly energy-saving desulfurization system |
| CN114607857B (en) * | 2022-01-28 | 2024-04-19 | 华能国际电力股份有限公司德州电厂 | Environment-friendly energy-saving desulfurization system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20210709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |