CN110067872A - A kind of pneumatic cut-off equipment rubber bush and pneumatic cut-off equipment - Google Patents
A kind of pneumatic cut-off equipment rubber bush and pneumatic cut-off equipment Download PDFInfo
- Publication number
- CN110067872A CN110067872A CN201910319357.9A CN201910319357A CN110067872A CN 110067872 A CN110067872 A CN 110067872A CN 201910319357 A CN201910319357 A CN 201910319357A CN 110067872 A CN110067872 A CN 110067872A
- Authority
- CN
- China
- Prior art keywords
- rubber bush
- equipment
- groove
- pneumatic cut
- rubber
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
- F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
- F16K7/07—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force by means of fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of pneumatic cut-off equipment rubber bush, the circulation passage through rubber bush both ends is equipped with inside the rubber bush, it is circumferentially with groove along the surface of the rubber bush, the wall thickness of the rubber bush at the groove location is less than the wall thickness of the rubber bush at other positions.The present invention has sealing effect good, and required gas pressure is small, the very fast advantage of closing velocity.
Description
Technical field
The present invention relates to technical field of drainage, and in particular to a kind of pneumatic cut-off equipment rubber bush and the dress that pneumatically shuts off
It sets.
Background technique
Pneumatic cut-off equipment on the market includes outer cover and rubber bush, and outer cover and rubber bush are tightly connected to form gas
Chamber, outer cover are equipped with air inlet, and rubber bush has certain elasticity, and when being filled with compressed gas in air cavity, gas pressure is made
With rubber bush is tightened inwardly, the movement for closing channel of shutting off is realized, when body is calmed the anger in air cavity release, rubber bush is extensive
Complex deformation realizes the movement for opening channel of shutting off.But the structure of rubber bush in the prior art is relatively simple, in order to realize
Sleeve closing sealing is water-tight, and the air pressure used is larger.By taking the pneumatic cut-off equipment of caliber 600mm as an example, need to be filled with 4bar
Above gas pressure also not necessarily can be realized zero leakage sealing, and gas pressure is excessively high, and there are quick-fried during installing and using
Fried danger, use environment are restricted, and inflationtime is too long, and input cost is high.
Summary of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technique, a kind of pneumatic cut-off equipment rubber sleeve is provided
Cylinder and pneumatic cut-off equipment can realize zero leakage under the effect of lower gas pressure, and sealing effect is good.
The present invention provides a kind of pneumatic cut-off equipment rubber bush, is equipped with inside the rubber bush and runs through rubber bush two
The circulation passage at end is circumferentially with groove, the wall thickness of the rubber bush at the groove location along the surface of the rubber bush
Less than the wall thickness of the rubber bush at other positions.
Based on the above technical solution, the groove is set to the inner surface of the rubber bush；
Or, the groove is set to the outer surface of the rubber bush.
Based on the above technical solution, the another side of the rubber bush of the groove corresponding position is concordant.
Based on the above technical solution, the wall thickness of the rubber bush of the groove corresponding position is other positions
Set the 1/2~3/4 of the rubber bush wall thickness at place.
Based on the above technical solution, the length range value of the groove is 20~-200mm.
Based on the above technical solution, the length of the groove is directly proportional to the pipe diameter size of the rubber bush.
Based on the above technical solution, along the axis direction of the rubber bush, the groove is set to the rubber
The middle part of rubber sleeve.
Based on the above technical solution, the flanged joint portion outwardly protruded is arranged in the both ends of the rubber bush.
Based on the above technical solution, a kind of pneumatic cut-off equipment, comprising:
Rubber bush as claimed in claim 8；
Outer cover, the outer cover are equipped with air inlet and venthole, the flanged joint portion of the outer cover and the rubber bush
It is connected by flangeseal；
Air cavity, the air inlet and venthole and institute are formed between the inner wall of the outer cover and the outer wall of the rubber bush
State air cavity connection.
Compared with prior art, advantages of the present invention is as follows:
(1) surface of pneumatic cut-off equipment rubber bush of the invention is equipped with groove, weakens the rubber at groove location
The wall thickness of sleeve shuts off so that the wall thickness of the rubber bush of groove corresponding position is less than the wall thickness at other positions when pneumatically
Device has been filled with when calming the anger body, the rubber bush of groove corresponding position preferentially inside deformation and deflection is maximum, when groove is set
It sets in sleeve lining, groove location deforms the contact truncation circulation passage so that the cell wall of groove two sides takes the lead in, when groove is set
It sets in sleeve outer wall, it is logical that groove location deforms the contact truncation circulation so that the medial surface of the cell wall sleeve of bottom portion of groove takes the lead in
Road, two kinds of set-up modes pass through the wall thickness weakened at sealing station, realize the seal for pipe joints under current floe condition, sealing effect
It is good, and required gas pressure is smaller, closing velocity is very fast.
(2) groove of pneumatic cut-off equipment rubber bush of the invention is arranged in rubber bush in the axial direction
Between at position, guarantee the rubber bush uniform force of groove two sides, deformation is consistent, and sealing effect is more preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2
Fig. 4 is the partial enlarged view in Fig. 1 at B.
Appended drawing reference: 1- rubber bush 1,2- circulation passage 2,3- groove, 4- outer cover, 5- air inlet, 6- venthole.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
Embodiment 1
Referring to figure 1 and figure 2, the present invention provides a kind of pneumatic cut-off equipment rubber bush 1, in the rubber bush 1
Portion is equipped with the circulation passage 2 through 1 both ends of rubber bush, groove 3 is circumferentially with along the surface of rubber bush 1, at 3 position of groove
Rubber bush 1 wall thickness be less than other positions at rubber bush 1 wall thickness.Groove 3 in the present embodiment is set to rubber
The inner surface of sleeve 1, the flush with outer surface of rubber bush 1, along the axis direction of rubber bush 1, groove 3 is set to rubber bush
1 medium position guarantees that 1 stress deformation of rubber bush of 3 two sides of groove is consistent.The rubber bush 1 of 3 corresponding position of groove
Thickness is the 1/2~3/4 of the thickness of the rubber bush 1 at other positions, according to the pneumatic cut-off equipment of different size, groove 3
Length range value be 20mm-200mm, accordingly, the length of groove 3 is directly proportional to the pipe diameter size of rubber bush 1, rubber sleeve
1 caliber is bigger, and the length of groove 3 is bigger.
Embodiment 2
As shown in figure 3 and figure 4, the present invention provides a kind of pneumatic cut-off equipment rubber bush 1 to ginseng, in the rubber bush 1
Portion is equipped with the circulation passage 2 through 1 both ends of rubber bush, groove 3 is circumferentially with along the surface of rubber bush 1, at 3 position of groove
Rubber bush 1 wall thickness be less than other positions at rubber bush 1 wall thickness.Groove 3 in the present embodiment is set to rubber
The inner surface of the outer surface of sleeve 1, rubber bush 1 is concordant, and along the axis direction of rubber bush 1, groove 3 is set to rubber bush
1 medium position guarantees that 1 stress deformation of rubber bush of 3 two sides of groove is consistent.The rubber bush 1 of 3 corresponding position of groove
Thickness is the 1/2~3/4 of the thickness of the rubber bush 1 at other positions, according to the pneumatic cut-off equipment of different size, groove 3
Length range value be 20mm-200mm, accordingly, the length of groove 3 is directly proportional to the pipe diameter size of rubber bush 1, rubber sleeve
1 caliber is bigger, and the length of groove 3 is bigger.Weaken the wall thickness from sealing station from outside in the present embodiment, rubber bush 1
Inner surface is smooth concordant, and required pressure is smaller, and sealing effect is good.
Embodiment 3
Referring to FIG. 1 to FIG. 4, the present invention provides a kind of pneumatic cut-off equipment comprising above-described embodiment 1 to embodiment
Any rubber bush 1 and outer cover 44 in 3, the both ends of rubber bush 1, which are provided with, to be outwardly protruded, and outer cover 4 is equipped with air inlet
The flanged joint portion of hole 5 and venthole 6, outer cover 4 and rubber bush 1 is connected by flangeseal；The inner wall and rubber of outer cover 4
Air cavity is formed between the outer wall of sleeve 1, air inlet 55 and venthole 66 are connected to air cavity.Pneumatic cut-off equipment connects in the present embodiment
Enter gas source, when the inflation of pneumatic cut-off equipment, 3 position of groove of rubber bush 1 takes the lead in, and deformation occurs, and circulation passage 2 ends, when
When pneumatic cut-off equipment is deflated, the fast quick-recovery deformation in 3 position of groove of rubber bush 1, circulation passage 2 is connected.In off state
Under, it is only necessary to zero leakage sealing can be realized in lesser pressure, and sealing effect is good, closes and opens comparatively fast.
The pneumatic cut-off equipment of the present embodiment is compared with pneumatic cut-off equipment in the prior art, wherein pneumatic
Cut-off equipment is applicable in caliber 600mm, and use environment is 1m head, and comparison is as follows:
| Pressure value | Sealing effect | |
| The prior art | 4bar or more | It drips leakage |
| Embodiment 3 | 2.5bra following | Zero leakage |
As it can be seen that pressure value required for pneumatic cut-off equipment in the present embodiment is smaller, sealing effect is more preferable, about pressure
Constraint of the use of container by " National Standard of the People's Republic of China: pressure vessel (GB 150.1-150.4-2011) ", this
The smaller requirement that can satisfy standard of atmospheric pressure value needed for embodiment, the scope of application is wider, and safety is higher, market prospects compared with
It is good.Using the rubber bush in the present embodiment, the compressed air pressure in air cavity is smaller, the material cost of equipment housing will under
Drop；For rubber bush after suffered pressure becomes smaller when closed, the service life of itself will be elongated；In rigging up and debugging and make
Used time will be more safe.
Those skilled in the art can carry out various modifications to the embodiment of the present invention and modification, if these modifications and change
For type within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (9)
1. a kind of pneumatic cut-off equipment rubber bush, it is characterised in that: be equipped with inside the rubber bush and run through rubber bush two
The circulation passage at end is circumferentially with groove, the wall thickness of the rubber bush at the groove location along the surface of the rubber bush
Less than the wall thickness of the rubber bush at other positions.
2. a kind of pneumatic cut-off equipment tube-in-tube structure as described in claim 1, it is characterised in that: the groove is set to institute
State the inner surface of rubber bush；
Or, the groove is set to the outer surface of the rubber bush.
3. a kind of pneumatic cut-off equipment tube-in-tube structure as described in claim 1, it is characterised in that: the groove corresponding position
The another side of the rubber bush at place is concordant.
4. a kind of pneumatic cut-off equipment rubber bush as described in claim 1, it is characterised in that: the groove corresponding position
The wall thickness of the rubber bush at place is 1/2~3/4 of the rubber bush wall thickness at other positions.
5. a kind of pneumatic cut-off equipment rubber bush as described in claim 1, it is characterised in that: the length model of the groove
Enclosing value is 20~-200mm.
6. a kind of pneumatic cut-off equipment rubber bush as described in claim 1, it is characterised in that: the length of the groove with
The pipe diameter size of the rubber bush is directly proportional.
7. a kind of pneumatic cut-off equipment rubber bush as described in claim 1, it is characterised in that: along the rubber bush
Axis direction, the groove are set to the middle part of the rubber bush.
8. a kind of pneumatic cut-off equipment rubber bush as described in any one of claim 1 to 9, it is characterised in that: the rubber
The flanged joint portion outwardly protruded is arranged in the both ends of rubber sleeve.
9. a kind of pneumatic cut-off equipment characterized by comprising
Rubber bush as claimed in claim 8；
Outer cover, the outer cover are equipped with air inlet and venthole, and the flanged joint portion of the outer cover and the rubber bush passes through
Flangeseal connection；
Air cavity, the air inlet and venthole and the gas are formed between the inner wall of the outer cover and the outer wall of the rubber bush
Chamber connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319357.9A CN110067872A (en) | 2019-04-19 | 2019-04-19 | A kind of pneumatic cut-off equipment rubber bush and pneumatic cut-off equipment |
| PCT/CN2020/085030 WO2020211799A1 (en) | 2019-04-19 | 2020-04-16 | Rubber sleeve for pneumatic cut-off device and pneumatic cut-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319357.9A CN110067872A (en) | 2019-04-19 | 2019-04-19 | A kind of pneumatic cut-off equipment rubber bush and pneumatic cut-off equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110067872A true CN110067872A (en) | 2019-07-30 |
Family
ID=67368234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910319357.9A Withdrawn CN110067872A (en) | 2019-04-19 | 2019-04-19 | A kind of pneumatic cut-off equipment rubber bush and pneumatic cut-off equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110067872A (en) |
| WO (1) | WO2020211799A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020211799A1 (en) * | 2019-04-19 | 2020-10-22 | 武汉圣禹排水***有限公司 | Rubber sleeve for pneumatic cut-off device and pneumatic cut-off device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60113875A (en) * | 1983-11-18 | 1985-06-20 | Okumura Seisakusho:Kk | Pinch valve |
| CH672010A5 (en) * | 1988-12-02 | 1989-10-13 | Pondis Ag | Valve with tubular rubbery flexible membrane - incorporates tubular housing with screw to hold membrane |
| CN2557765Y (en) * | 2002-06-18 | 2003-06-25 | 吴忠仪表股份有限公司 | Multi-purpose electric controlled valve |
| CN110067872A (en) * | 2019-04-19 | 2019-07-30 | 武汉圣禹排水***有限公司 | A kind of pneumatic cut-off equipment rubber bush and pneumatic cut-off equipment |
-
2019
- 2019-04-19 CN CN201910319357.9A patent/CN110067872A/en not_active Withdrawn
-
2020
- 2020-04-16 WO PCT/CN2020/085030 patent/WO2020211799A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020211799A1 (en) * | 2019-04-19 | 2020-10-22 | 武汉圣禹排水***有限公司 | Rubber sleeve for pneumatic cut-off device and pneumatic cut-off device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020211799A1 (en) | 2020-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107435777A (en) | Sleeve expansion joint | |
| CN110067873A (en) | A kind of pneumatic cut-off equipment rubber bush and pneumatic cut-off equipment | |
| CN110067872A (en) | A kind of pneumatic cut-off equipment rubber bush and pneumatic cut-off equipment | |
| CN109211476A (en) | A kind of hose pipe end blocks the device of leak test | |
| CN205298943U (en) | Shutoff pig | |
| CN107327583A (en) | Gas charge valve | |
| CN205642743U (en) | Airtight detection inflation inlet of intake pipe combination formula block structure | |
| CN206682338U (en) | A kind of tilted back type formula ceramics double-gate plate valve | |
| CN107061784A (en) | Pneumatic filling valve | |
| CN204493746U (en) | Internal channel gas-flow closure butterfly valve | |
| CN106427935A (en) | Quick-exhaust tyre inflator | |
| CN204213361U (en) | Heavy caliber gas-flow closure butterfly valve | |
| CN204328099U (en) | Railway freight-car gas charging valve | |
| CN206770977U (en) | Gas-charging connection | |
| CN201531619U (en) | Novel special adjusting valve for chlorine gas | |
| CN213333062U (en) | Quick pipeline repairing device | |
| CN212219797U (en) | Axle housing with air filling and discharging holes | |
| CN205527518U (en) | Many curved surfaces one end open -ended pneumatic rubber capsules | |
| CN104964046A (en) | Large-diameter inflated sealing butterfly valve | |
| CN101850764B (en) | Vehicle axle | |
| CN204647388U (en) | A kind of pneumatic actuator semispherical valve | |
| CN208442287U (en) | Gas-flow closure butterfly valve | |
| CN201621296U (en) | Novel dedicated cut-off valve for chlorine gas | |
| CN208764520U (en) | Antispray assembling pipe joint | |
| CN207229822U (en) | A kind of stop valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190730 |