CN207648258U - A kind of pneumatic stopping valve fluid resistance buffer unit - Google Patents
A kind of pneumatic stopping valve fluid resistance buffer unit Download PDFInfo
- Publication number
- CN207648258U CN207648258U CN201721545997.4U CN201721545997U CN207648258U CN 207648258 U CN207648258 U CN 207648258U CN 201721545997 U CN201721545997 U CN 201721545997U CN 207648258 U CN207648258 U CN 207648258U
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- Prior art keywords
- buffer unit
- buffer
- tube seat
- buffer board
- cased
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Abstract
The utility model discloses a kind of pneumatic stopping valve fluid resistance buffer units, including valve water inlet pipe, buffer unit and tube seat, the inside of the valve water inlet pipe is cased with buffer unit, waterproof rubber sleeve is accompanied between the buffer unit and valve water inlet pipe, and tube seat is cased with by Fixing shrink ring at the center of buffer unit, the inner surface wall of the tube seat is fixedly connected with welding column, it is fixed with shaft at the center of the welding column, the appearance wall activity of the shaft is cased with buffer board, one end of the buffer board is provided with sliding block, the sliding block activity is connected at the center of loose slot；It is provided with buffer board on the buffer unit of the utility model, when fluid passes through tube seat, the fluid of speed is contacted with buffer board, buffer board, which not only reduces fluid-flow rate, can also effectively mitigate the impact force that fluid generates shut-off valve, and it is provided with double buffer spring, the size for meeting head piece can be automatically adjusted according to the flowing velocity of fluid, play cushioning effect.
Description
Technical field
The utility model is related to the technical field of buffer unit, specially a kind of pneumatic stopping valve fluid resistance buffering dress
It sets.
Background technology
As China's economy continues to develop, scientific and technical continuous renewal, China's Machine Manufacturing Technology is also higher and higher, valve
Door is as the important part in machinery production manufacturing process, and effect can not be substituted, and the one kind of shut-off valve as valve belongs to pressure
Sealing valve, so when valve is closed, it is necessary to apply pressure to flap, is not revealed, had a wide range of application with forced seal face,
The place but existing pneumatic stopping valve comes with some shortcomings during use.
1, during use, fluid velocity is fast for pneumatic stopping valve, causes the consumption of shut-off valve internal motivation big, valve plate by
It is larger to impact force, influence the service life of shut-off valve.
2, the small volume of fluid resistance buffer unit makes troubles to the manufacture and installation of valve, cannot meet production
Demand.
Utility model content
The purpose of this utility model is to provide a kind of pneumatic stopping valve fluid resistance buffer units, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions：A kind of pneumatic stopping valve fluid resistance buffering
The inside of device, including valve water inlet pipe, buffer unit and tube seat, the valve water inlet pipe is cased with buffer unit, the buffering
Waterproof rubber sleeve is accompanied between device and valve water inlet pipe, and tube seat is cased with by Fixing shrink ring at the center of buffer unit,
The inner surface wall of the tube seat is fixedly connected with welding column, and shaft is fixed at the center of the welding column, and the appearance wall of the shaft is lived
Dynamic to be cased with buffer board, one end of the buffer board is provided with sliding block, and the sliding block activity is connected at the center of loose slot, described
Loose slot is opened in the inside of movable montant, and the upper end of the activity montant is movably arranged on the inside of tube seat, institute by rotary column
The upper table wall for stating buffer board is welded with buffering outer spring, and buffering inner spring is cased at the center of the buffering outer spring, described slow
It rushes inner spring and buffers the side of outer spring and be fixedly connected with inner surface wall in tube seat, and the appearance wall for buffering inner spring is surrounded by one
Layer separates protective case, and the Fixing shrink ring is threadedly secured in the side of buffer unit by fastening bolt.
Preferably, the limbers of marshalling is offered on the buffer board and movable montant.
Preferably, the height dimension of the buffering inner spring is buffer outer spring height dimension 2/3rds.
Preferably, wave cambered surface is provided with below the buffer board, the wave cambered surface weldering is plated in the inner surface wall of tube seat.
Preferably, the fastening bolt is provided with eight altogether, and eight fastening bolts are rounded equidistantly distributes in fixation
On ring set.
Compared with prior art, the utility model has the beneficial effects that：
1, it is provided with buffer board on the buffer unit of the utility model, when fluid passes through tube seat, the fluid of speed
It is contacted with buffer board, buffer board, which not only reduces fluid-flow rate, can also effectively mitigate the impact that fluid generates shut-off valve
Power, and it is provided with double buffer spring, the size for meeting head piece can be automatically adjusted according to the flowing velocity of fluid, played slow
Punching acts on.
2, the buffer unit structure of the utility model is simple, is easily installed dismounting, plays a protective role to shut-off valve, extends
The service life of equipment, performance are high.
Description of the drawings
Fig. 1 is the utility model overall structure stereogram；
Fig. 2 is the utility model tube seat structural side view；
Fig. 3 is the utility model A structural side views；
Fig. 4 is the utility model buffer board structure front view；
Fig. 5 is the utility model activity vertical bar structure front view.
In figure：1- valve water inlet pipes；2- waterproof rubber sleeves；3- buffer units；4- Fixing shrink rings；5- tube seats；6- fastens spiral shell
Bolt；7- activity montants；8- buffers inner spring；9- separates protective case；10- buffers outer spring；11- shafts；12- welding columns；13- is buffered
Plate；14- wave cambered surfaces；15- rotary columns；16- loose slots；17- sliding blocks；The limbers 18-.
Specific implementation mode
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of pneumatic stopping valve fluid resistance buffering dress
It sets, including valve water inlet pipe 1, buffer unit 3 and tube seat 5, the inside of the valve water inlet pipe 1 is cased with buffer unit 3, described slow
Accompany waterproof rubber sleeve 2 between flushing device 3 and valve water inlet pipe 1, and by 4 sets of Fixing shrink ring at the center of buffer unit 3
There is tube seat 5, the inner surface wall of the tube seat 5 is fixedly connected with welding column 12, shaft 11 is fixed at the center of the welding column 12, described
The appearance wall activity of shaft 11 is cased with buffer board 13, and one end of the buffer board 13 is provided with sliding block 17,17 activity of the sliding block
It is connected at the center of loose slot 16, the loose slot 16 is opened in the inside of movable montant 7, the upper end of the activity montant 7
The inside of tube seat 5 is movably arranged on by rotary column 15, the upper table wall of the buffer board 13 is welded with buffering outer spring 10, described slow
It rushes at the center of outer spring 10 and is cased with buffering inner spring 8, the buffering inner spring 8 and the side company of fixation for buffering outer spring 10
It is connected on the inner surface wall of tube seat 5, and the appearance wall for buffering inner spring 8 is surrounded by one layer of separation protective case 9, the Fixing shrink ring 4 passes through
Fastening bolt 6 is threadedly secured in the side of buffer unit 3.
The limbers 18 that marshalling is offered on the buffer board 13 and movable montant 7, avoids fluid velocity too fast, leads
Buffer unit damage is caused, is played a protective role, the height dimension of the buffering inner spring 8 is buffering 10 height dimension of outer spring
2/3rds, two kinds of buffer spring not only increases the using flexible of buffer board 13, moreover it is possible to play protection internal junction
The lower section of the effect of structure, the buffer board 13 is provided with wave cambered surface 14, and the wave cambered surface 14 welds the interior table for being plated in tube seat 5
Wall increases the bendability of fluid flowing, plays the role of reducing fluid resistance, the fastening bolt 6 is provided with eight, and eight altogether
A fastening bolt 6 is rounded to be equidistantly distributed on Fixing shrink ring 4.
Operation principle：Waterproof rubber sleeve 2 is sleeved on the outer of buffer unit 3 by the fluid resistance buffer unit of the utility model
Table wall, then buffer unit 3 is filled in valve water inlet pipe 1, when fluid is by tube seat 5, is contacted with buffer board 13, work as fluid stream
When dynamic speed, fluid generates buffer board 13 certain active force, and flowing velocity slows down, since 13 upper end of buffer board connects
There are buffering inner spring 8 and buffering outer spring 10, buffer board 13 can be with the different degrees of buffering of the performance different in flow rate of fluid
Effect, buffering flexibility is strong, and the setting of wave arc plate 14 extends fluid flow path, reduces flowing resistance in flow process
Power reinforces the cushioning effect of the device, and the service life of shut-off valve has been effectively ensured, has satisfied the use demand.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of pneumatic stopping valve fluid resistance buffer unit, including valve water inlet pipe (1), buffer unit (3) and tube seat (5),
It is characterized in that：The inside of the valve water inlet pipe (1) is cased with buffer unit (3), the buffer unit (3) and valve water inlet pipe
(1) waterproof rubber sleeve (2) is accompanied between, and tube seat (5), institute are cased with by Fixing shrink ring (4) at the center of buffer unit (3)
The inner surface wall for stating tube seat (5) is fixedly connected with welding column (12), is fixed with shaft (11) at the center of the welding column (12), described turn
The appearance wall activity of axis (11) is cased with buffer board (13), and one end of the buffer board (13) is provided with sliding block (17), the sliding block
(17) activity is connected at the center of loose slot (16), and the loose slot (16) is opened in the inside of movable montant (7), the work
The upper end of dynamic montant (7) is movably arranged on the inside of tube seat (5), the upper table wall welding of the buffer board (13) by rotary column (15)
There is buffering outer spring (10), buffering inner spring (8), the buffering inner spring are cased at the center of the buffering outer spring (10)
(8) and the side of buffering outer spring (10) is fixedly connected with the inner surface wall in tube seat (5), and buffers the appearance wall of inner spring (8)
It is surrounded by one layer and separates protective case (9), the Fixing shrink ring (4) is threadedly secured in the one of buffer unit (3) by fastening bolt (6)
Side.
2. a kind of pneumatic stopping valve fluid resistance buffer unit according to claim 1, it is characterised in that：The buffer board
(13) and on movable montant (7) limbers (18) of marshalling is offered.
3. a kind of pneumatic stopping valve fluid resistance buffer unit according to claim 1, it is characterised in that：In the buffering
The height dimension of spring (8) is buffer outer spring (10) height dimension 2/3rds.
4. a kind of pneumatic stopping valve fluid resistance buffer unit according to claim 1, it is characterised in that：The buffer board
(13) wave cambered surface (14) is provided with below, wave cambered surface (14) weldering is plated in the inner surface wall of tube seat (5).
5. a kind of pneumatic stopping valve fluid resistance buffer unit according to claim 1, it is characterised in that：The fastening spiral shell
Bolt (6) is provided with eight altogether, and eight fastening bolts (6) are rounded equidistantly distributes on Fixing shrink ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721545997.4U CN207648258U (en) | 2017-11-19 | 2017-11-19 | A kind of pneumatic stopping valve fluid resistance buffer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721545997.4U CN207648258U (en) | 2017-11-19 | 2017-11-19 | A kind of pneumatic stopping valve fluid resistance buffer unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648258U true CN207648258U (en) | 2018-07-24 |
Family
ID=62888837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721545997.4U Active CN207648258U (en) | 2017-11-19 | 2017-11-19 | A kind of pneumatic stopping valve fluid resistance buffer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207648258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895582A (en) * | 2021-08-26 | 2022-01-07 | 武汉船用机械有限责任公司 | Deceleration buffer device and deceleration buffer method |
-
2017
- 2017-11-19 CN CN201721545997.4U patent/CN207648258U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895582A (en) * | 2021-08-26 | 2022-01-07 | 武汉船用机械有限责任公司 | Deceleration buffer device and deceleration buffer method |
| CN113895582B (en) * | 2021-08-26 | 2022-12-27 | 武汉船用机械有限责任公司 | Deceleration buffer device and deceleration buffer method |
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