CN108119675A - A kind of check valve and the auxiliary braking cylinder using the check valve - Google Patents
A kind of check valve and the auxiliary braking cylinder using the check valve Download PDFInfo
- Publication number
- CN108119675A CN108119675A CN201810153239.0A CN201810153239A CN108119675A CN 108119675 A CN108119675 A CN 108119675A CN 201810153239 A CN201810153239 A CN 201810153239A CN 108119675 A CN108119675 A CN 108119675A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- check valve
- steel plate
- spring steel
- piston
- 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- Withdrawn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
- 229910000639 Spring steel Inorganic materials 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/04—Cylinders
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
A kind of check valve and the auxiliary braking cylinder using the check valve, wherein check valve include check valve valve body, and valve body is provided with valve body inner bore, coordinates in valve body inner bore and be equipped with inner elements of check valve, inner elements of check valve opens porose spring steel plate for surface.Spring and spool are combined into one by this check valve, simplify the structure of check valve, avoid the catching phenomenon of valve core movement.
Description
Technical field
The present invention relates to car auxiliary brake technical field, more particularly, to a kind of check valve in brake cylinder,
Further relate to the auxiliary braking cylinder being made of the check valve.
Background technology
In auxiliary braking cylinder, one-way valve structures at cylinder piston are arranged on as shown in Figure 1, the end of cylinder piston 14
Portion is designed as check valve valve body 11, and inner elements of check valve 12 ' is arranged on one-way valve spring 16 in check valve valve body 11, one-way valve
Core 12 ' can move in the endoporus of check valve valve body 11.During stuffiness, check valve remains normally opened structure, cylinder intake hole 8
During inflation, closed check valve（Close the size that pressure depends on one-way valve spring power）, gas push cylinder piston 14 move ahead；Gas
When cylinder loses heart, check valve recovers normally open, and cylinder rod chamber 6 and the air-flow of rodless cavity 7 are mutually communicated by check valve, two chambers
Air pressure balance, piston return under the action of the power of cylinder spring 4.
In said structure, inner elements of check valve 12 ' will move in 11 endoporus of check valve valve body, clamping stagnation easily occur, no
Flexibly, if clamping stagnation, failure of check valve；One-way valve spring 16 is placed in the endoporus of check valve valve body 11, heads on check valve
Spool 12 ', this just to one-way valve spring 16 install verticality requirement it is very high, as one-way valve spring 16 occur it is crooked, then unidirectionally
Valve core 12 ' is corresponding also to be generated crooked, and easy clamping stagnation, causes failure of check valve in movement；When one-way valve spring 16 is in check valve
Reciprocating compression in 11 endoporus of valve body, the outer ring of one-way valve spring 16 and the inner wall in hole generate friction, are easy to cause one-way valve spring
16 clamping stagnations, not return；The bottom of mounted elastically 11 endoporus of check valve valve body and the inner circle machining accuracy and surface roughness in hole
It is required that it is high, otherwise, 16 easy clamping stagnation of one-way valve spring；Assemble the 11 endoporus machining accuracy of check valve valve body of inner elements of check valve 12 '
It is high with surface roughness requirements, otherwise, the easy clamping stagnation of inner elements of check valve 12 '；11 inner hole structure of check valve valve body is complicated, processing essence
Degree requirement is high, and manufacture is difficult, of high cost；The size of one-way valve spring 16 is smaller, and required precision is high, and manufacture is difficult, of high cost.
The content of the invention
It is an object of the invention to overcome shortcoming in the prior art, provide first it is a kind of it is simple in structure, using can
By the high check valve of property, which is combined into one one-way valve spring of the prior art with spool, to avoid the card of spool
Stagnant phenomenon, next additionally provides the auxiliary braking cylinder using the check valve, the technical solution adopted is that：A kind of check valve, bag
Check valve valve body is included, the valve body is provided with valve body inner bore, it is characterised in that：Cooperation is equipped with one-way valve in the valve body inner bore
Core, the inner elements of check valve open porose spring steel plate for surface.
The technical characteristic of the present invention also has：The spring steel plate material is spring steel.
The technical characteristic of the present invention also has：The hole is two or more the shaped form holes being not connected with.
The technical characteristic of the present invention also has：The width in the shaped form hole is 0.1mm-0.5mm.
Technical scheme also has：A kind of auxiliary braking cylinder, including cylinder body, described cylinder body one end extends to cylinder
Head, the other end connect cylinder cap, are provided with cylinder intake hole on the cylinder head, cylinder piston, the cylinder piston are set in the cylinder body
Bottom connection piston rod, it is characterised in that：The cylinder further includes check valve, and the check valve is located at piston and cylinder intake
Between hole, the check valve valve body is served as by top land, and the top land is provided with endoporus, and the inner elements of check valve is installation
In endoporus, porose spring steel plate is opened on surface, is non-porous entity part at the spring steel plate and duct cooperation.
The technical characteristic of the present invention also has：The center section of the endoporus is formed with protrusion towards spring steel plate direction, institute
State the thickness that the distance between top and spring steel plate of protrusion is not less than spring steel plate.
The technical characteristic of the present invention also has：The distance between the protrusion and spring steel plate are the 1-3 of spring steel plate thickness
Times.
The technical characteristic of the present invention also has：The endoporus is stepped hole, and the outer diameter of the spring steel plate is in ladder
Between macropore and ladder aperture, tabletting is also equipped in the ladder macropore.
The technical characteristic of the present invention also has：The piston has piston big end, between the piston big end and inboard wall of cylinder block
Equipped with sealing element, rodless cavity is formed between the sealing element and cylinder head, rod chamber is formed between the sealing element and cylinder cap.
The beneficial effects of the present invention are：Spring and spool are combined into one by this check valve, simplify the structure of check valve,
Avoid the catching phenomenon of valve core movement；Spring steel plate pressurising shaping can be used, easy to process and high in machining efficiency；This is normally opened
The pressure of formula closed check valve, depending on the size of institute's perforate on the thickness of slab and spring steel plate of spring steel plate, overall structure is easy
In guarantee precision and operational reliability height；This auxiliary braking cylinder changes the structure of check valve, employ open in usual, spool with
The check valve that spring is structure as a whole enhances check valve controls in auxiliary braking stability, reliability and the accuracy of manufacture, and
Reduce assembly difficulty, manufacture cost and failure rate.
Description of the drawings
Attached drawing 1 is that auxiliary braking structural representation of air cylinder, attached drawing 2 are auxiliary braking air cylinder structures of the present invention in the prior art
Schematic diagram, attached drawing 3 are 12 structure diagrams of spring steel plate in the present invention, and attached drawing 4 is that spring steel plate 12 deforms under airflow function
Schematic diagram, 1 is cylinder body, and 2 be cylinder cap, and 3 be cylinder head, and 4 be cylinder spring, and 5 be piston rod, and 6 be rod chamber, and 7 be rodless cavity, and 8 are
Cylinder intake hole, 9 be guide sleeve I, and 10 be guide sleeve II, and 11 be check valve valve body, and 12 be spring steel plate, and 12 ' be one-way valve
Core, 121 be shaped form hole, 122 be shaped form hole close to the end at spring steel plate center, 13 be tabletting, and 14 be cylinder piston, 15
It is sealing element, 16 be one-way valve spring.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is illustrated.
The present invention discloses a kind of check valve first, which includes check valve valve body 11, and check valve valve body 11 is provided with
Valve body inner bore, in 11 endoporus of check valve valve body cooperation inner elements of check valve is installed, inner elements of check valve opens porose elasticity for surface
Steel plate 12, it is contemplated that the needs of spring steel plate elasticity, spring steel plate made of the preferable spring steel material of elasticity can be selected.
In the present embodiment, hole is the shaped form hole more than 3-5 items being not connected with, and the width in shaped form hole is 0.1-1mm, bent
Linear hole is mainly distributed on the marginal portion of spring steel plate, and the center section of spring steel plate is unable to perforate, in this way, being subject to air pressure
During effect, spring steel plate is deformed, the size of the deflection, the thickness of size, spring steel plate depending on air pressure and hole
Width, such as set deflection as certain value, then change the thickness of spring steel plate or the width in hole, you can adjust the big of air pressure
It is small.
The invention also discloses a kind of auxiliary braking cylinders, and including cylinder body 1,1 one end of cylinder body extends outwardly for cylinder head 3, separately
One end connects cylinder cap 2, and cylinder intake hole 8 is provided on cylinder head 3, and cylinder piston 14, the bottom connection of cylinder piston 14 are set in cylinder body 1
Piston rod 5, cylinder piston 14 have piston big end, equipped with sealing element 15 between 1 inner wall of piston big end and cylinder body, sealing element 15 with
Rodless cavity 7 is formed between cylinder head, rod chamber 6 is formed between sealing element and cylinder cap 2.
The duct of connection rod chamber 6 and rodless cavity 7 is provided on cylinder piston 14.Cylinder further includes check valve, check valve position
Between cylinder piston 14 and cylinder intake hole 8, check valve valve body 11 is served as by 14 top of cylinder piston, 14 top of cylinder piston
Be provided with endoporus, inner elements of check valve be in endoporus, surface open porose spring steel plate 12, spring steel plate 12 coordinates with duct
Locate as non-porous entity part.
In the present embodiment, the center section of endoporus is formed with protrusion, raised top and elasticity towards spring steel plate direction
The distance between steel plate is not less than the thickness of spring steel plate 12, it is preferred that the distance between protrusion and spring steel plate are Elastic Steel
1-3 times of plate thickness.
In the present embodiment, endoporus is in the axial direction thereof stepped hole, and the aperture at cylinder intake hole 8 is big, is rank
Terraced macropore, the aperture at the cylinder piston 14 is small, is ladder aperture, the outer diameter of spring steel plate 12 be in ladder macropore and
It between ladder aperture, can so be fitted in ladder macropore, tabletting 13 is also equipped in ladder macropore.
In the present embodiment, institute's perforate is shaped form hole 121 on spring steel plate 12, and shaped form hole 121 is close to spring steel plate 12
The end 122 at center is substantially on same circumference, and the width in shaped form hole 121 is 0.1mm-0.5mm, and the size of width is by gas
Pressure determine, Kong great, then air-flow all circulate from hole, intermediate entities part cannot generate movement；Hole is small, then during airflow reflux not
It can smoothly pass over.Generally, as auxiliary braking purposes, the size of check valve intermediate entities part, depending on connection
The diameter in the duct of rod chamber 6 and rodless cavity 7, entity part diameter are greater than channel diameter.
During auxiliary braking cylinder stuffiness, check valve remains normally opened structure, when cylinder intake hole 8 is inflated and air pressure reaches
During certain value, spring steel plate generates enough deflections, and the entity part of spring steel plate is bonded with duct, and duct is closed, single
It is closed to valve, the gas push cylinder piston 14 come through the conveying of cylinder intake hole 8 is run to the left（According to Fig. 2 directions）,
Piston rod is also run to the left, and then drives the valve block of butterfly valve（It is not shown in figure）It closes, completes auxiliary braking.When cylinder loses heart
When, the air pressure balance on spring steel plate two sides, spring steel plate does not generate deformation, and rod chamber 6 and the air-flow of rodless cavity 7 pass through Elastic Steel
The related perforation in hole on plate, two chamber air pressure balances, piston return under the effect of cylinder spring 4.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention fall within the guarantor of the present invention
Protect scope.
Claims (9)
1. a kind of check valve, including check valve valve body, the valve body is provided with valve body inner bore, it is characterised in that：The valve body inner bore
Middle cooperation is equipped with inner elements of check valve, and the inner elements of check valve opens porose spring steel plate for surface.
2. check valve described in accordance with the claim 1, it is characterised in that：The spring steel plate material is spring steel.
3. check valve described in accordance with the claim 1, it is characterised in that：The hole is two or more the shaped forms being not connected with
Hole.
4. check valve described in accordance with the claim 3, it is characterised in that：The width in the shaped form hole is 0.1mm-0.5mm.
5. a kind of auxiliary braking cylinder, including cylinder body, described cylinder body one end extends to cylinder head, other end connection cylinder cap, the cylinder
Cylinder intake hole is provided on head, cylinder piston, the bottom connection piston rod of the cylinder piston are set in the cylinder body, feature exists
In：The cylinder further includes check valve, and the check valve is between piston and cylinder intake hole, and the check valve valve body is by living
Plug top is served as, and the top land is provided with endoporus, the inner elements of check valve be in endoporus, surface open porose elasticity
Steel plate, the spring steel plate is with being non-porous entity part at the cooperation of duct.
6. according to the cylinder described in claim 5, it is characterised in that：The center section of the endoporus is towards spring steel plate direction shape
Into there is protrusion, the distance between the top of the protrusion and spring steel plate are not less than the thickness of spring steel plate.
7. according to the cylinder described in claim 6, it is characterised in that：The distance between the protrusion and spring steel plate are Elastic Steel
1-3 times of plate thickness.
8. according to the cylinder described in claim 5, it is characterised in that：The endoporus be stepped hole, the outer diameter of the spring steel plate
Size is between ladder macropore and ladder aperture, and tabletting is also equipped in the ladder macropore.
9. according to the cylinder described in claim 5, it is characterised in that：The piston have piston big end, the piston big end with
Equipped with sealing element between inboard wall of cylinder block, rodless cavity, shape between the sealing element and cylinder cap are formed between the sealing element and cylinder head
Into rod chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810153239.0A CN108119675A (en) | 2018-02-22 | 2018-02-22 | A kind of check valve and the auxiliary braking cylinder using the check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810153239.0A CN108119675A (en) | 2018-02-22 | 2018-02-22 | A kind of check valve and the auxiliary braking cylinder using the check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108119675A true CN108119675A (en) | 2018-06-05 |
Family
ID=62234428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810153239.0A Withdrawn CN108119675A (en) | 2018-02-22 | 2018-02-22 | A kind of check valve and the auxiliary braking cylinder using the check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108119675A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644105A (en) * | 2018-06-12 | 2018-10-12 | 台州巨力工具有限公司 | A kind of check valve and hydraulic tool for hydraulic tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599350Y (en) * | 2003-01-24 | 2004-01-14 | 康华工业股份有限公司 | Flexible valve block body |
| DE102006034184A1 (en) * | 2005-07-26 | 2007-02-01 | Ford Global Technologies, LLC, Dearborn | Clutch peak torque limiter for transmission of motor vehicle has pressure-controlled valve parallel to check valve and return port which opens if pressure on each side of pressure-controlled valve exceeds predetermined pressure |
| DE102011002427A1 (en) * | 2011-01-04 | 2012-07-05 | Robert Bosch Gmbh | Double check valve for e.g. preventing back-flow of reduction agent from storage tank of exhaust gas after treatment system of internal combustion engine of motor car, has disk-like elastic membrane provided with two slots |
| CN202338667U (en) * | 2011-12-06 | 2012-07-18 | 汇润机电有限公司 | One-way valve |
| CN203442023U (en) * | 2013-07-23 | 2014-02-19 | 宁波亚德客自动化工业有限公司 | Braking cylinder |
| CN106461103A (en) * | 2014-05-08 | 2017-02-22 | 罗伯特·博世有限公司 | Diaphragm spring valve |
| CN206129780U (en) * | 2016-10-31 | 2017-04-26 | 济南百惠凯希汽车零部件有限公司 | Exhaust brake butterfly valve of double -guide cover cylinder and applied this cylinder |
| CN208619771U (en) * | 2018-02-22 | 2019-03-19 | 济南百惠凯希汽车零部件有限公司 | A kind of check valve and the auxiliary braking cylinder using the check valve |
-
2018
- 2018-02-22 CN CN201810153239.0A patent/CN108119675A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599350Y (en) * | 2003-01-24 | 2004-01-14 | 康华工业股份有限公司 | Flexible valve block body |
| DE102006034184A1 (en) * | 2005-07-26 | 2007-02-01 | Ford Global Technologies, LLC, Dearborn | Clutch peak torque limiter for transmission of motor vehicle has pressure-controlled valve parallel to check valve and return port which opens if pressure on each side of pressure-controlled valve exceeds predetermined pressure |
| DE102011002427A1 (en) * | 2011-01-04 | 2012-07-05 | Robert Bosch Gmbh | Double check valve for e.g. preventing back-flow of reduction agent from storage tank of exhaust gas after treatment system of internal combustion engine of motor car, has disk-like elastic membrane provided with two slots |
| CN202338667U (en) * | 2011-12-06 | 2012-07-18 | 汇润机电有限公司 | One-way valve |
| CN203442023U (en) * | 2013-07-23 | 2014-02-19 | 宁波亚德客自动化工业有限公司 | Braking cylinder |
| CN106461103A (en) * | 2014-05-08 | 2017-02-22 | 罗伯特·博世有限公司 | Diaphragm spring valve |
| CN206129780U (en) * | 2016-10-31 | 2017-04-26 | 济南百惠凯希汽车零部件有限公司 | Exhaust brake butterfly valve of double -guide cover cylinder and applied this cylinder |
| CN208619771U (en) * | 2018-02-22 | 2019-03-19 | 济南百惠凯希汽车零部件有限公司 | A kind of check valve and the auxiliary braking cylinder using the check valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644105A (en) * | 2018-06-12 | 2018-10-12 | 台州巨力工具有限公司 | A kind of check valve and hydraulic tool for hydraulic tool |
| CN108644105B (en) * | 2018-06-12 | 2023-06-30 | 台州巨力工具股份有限公司 | One-way valve for hydraulic tool and hydraulic tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208619771U (en) | A kind of check valve and the auxiliary braking cylinder using the check valve | |
| JPS60171989U (en) | Vane type compressor for car cooler | |
| CN108119675A (en) | A kind of check valve and the auxiliary braking cylinder using the check valve | |
| GB1424100A (en) | Wheel brake actuator cylinder assemblies | |
| CN105545993B (en) | A kind of spring catcher with breathing structure | |
| CN208919193U (en) | A kind of nitrogen device | |
| JPH01502840A (en) | Hydraulic single piston pump for manual operation | |
| CN209228577U (en) | A kind of double cylinders of combined type | |
| CN110615389A (en) | Forklift lifting oil cylinder with up-down buffering function | |
| CN110273875A (en) | It is automatically replenished the one-way valve piston of fluid | |
| CN106593828B (en) | Magnetic valve core structure and piston compressor or piston type vacuum pump with the spool | |
| RU2012131128A (en) | DISK BRAKE | |
| CN221054353U (en) | Active reset vacuum diaphragm valve | |
| CN218644574U (en) | Self-reset throttling buffer structure | |
| CN214888563U (en) | Instant-opening controllable air spring | |
| CN206429374U (en) | Magnetic valve core structure | |
| CN201099245Y (en) | Piston for brake valve of car | |
| JPS58144105U (en) | Diaphragm type vacuum actuator | |
| CN208295006U (en) | A kind of brake caliper piston | |
| JPH0348431Y2 (en) | ||
| JPS6432479U (en) | ||
| JPH0220545Y2 (en) | ||
| JPS5979571U (en) | Swash plate type compressor | |
| JPS6455383U (en) | ||
| JPH02115978U (en) |
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: 20180605 |