CN207274658U - Air valve - Google Patents
Air valve Download PDFInfo
- Publication number
- CN207274658U CN207274658U CN201721106969.2U CN201721106969U CN207274658U CN 207274658 U CN207274658 U CN 207274658U CN 201721106969 U CN201721106969 U CN 201721106969U CN 207274658 U CN207274658 U CN 207274658U
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- CN
- China
- Prior art keywords
- valve body
- hole
- inlet channel
- air
- air flue
- 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.)
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Abstract
A kind of air valve that the utility model is related to, it is characterized in that it includes valve body, a mounting base is provided with the top of the valve body, mounting base and the middle part of the button above it are hinged, air flue is provided with the valve body, valve body inlet channel, valve body exhaust passage and cylinder intake passage, the air flue is in lateral arrangement in valve body, the right end of air flue is connected with valve body inlet channel, valve body inlet channel runs through valve body up and down, the valve body exhaust passage is connected to downwards the bottom surface of valve body in the left end of air flue, the cylinder intake passage is connected to downwards the bottom surface of valve body in the stage casing of air flue；Air inlet core assembly is located in valve body inlet channel, and positioning core assembly is located in air flue.The utility model air valve has the advantages that response is fast, has a safety feature.
Description
Technical field
It the utility model is related to a kind of air valve.
Background technology
Existing full-sized car parking braking is typically to be realized by energy storage spring brake chamber and hand control valve（I.e. usual institute
The air-cut-off break said）；Since energy-storage spring braking air chamber structure is complicated, volume is larger, which is only applicable to full-sized car
In, rear axle.And automobile front axle, in order to control the needs of motor turning, used gas chamber is obvious relative to middle rear axle chamber volume
It is less than normal, energy-stored spring can not be installed and carry out parking braking, i.e., bridge can only carry out service brake before existing full-sized car, can not utilize
The atmospheric air chamber that energy-stored spring can be installed carries out parking braking.In the parking braking of ramp, it is typically due to only rely on middle rear axle parking
The brake force of braking is insufficient and triggers accident.
The content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided a kind of to respond air valve that is fast, having a safety feature.
What the purpose of this utility model was realized in：
A kind of air valve, it includes valve body, and a mounting base, mounting base and pressing above it are provided with the top of the valve body
The middle part of button is hinged, and air flue, valve body inlet channel, valve body exhaust passage and cylinder intake passage are provided with the valve body,
The air flue is connected in lateral arrangement in valve body, the right end of air flue with valve body inlet channel, and valve body inlet channel runs through valve up and down
Body, the valve body exhaust passage are connected to downwards the bottom surface of valve body in the left end of air flue, and the cylinder intake passage is in air flue
Stage casing is connected to downwards the bottom surface of valve body；
Valve body inlet channel is divided into valve from top to bottom for the stepped hole of five sizes, valve body inlet channel from top to bottom
The first hole of body inlet channel, the second hole of valve body inlet channel, the 3rd hole of valve body inlet channel, the 4th hole of valve body inlet channel and
The 5th hole of valve body inlet channel；
Air inlet core assembly is located in valve body inlet channel, the right end bottom of the upper end connection button of air inlet core assembly, air inlet
Core assembly includes contact block, air inlet section and limited block, outer diameter and the valve body air inlet of the contact block successively from top to bottom
The internal diameter matching in the first hole of passage, the limited block are located in the second hole of valve body inlet channel, and the outer diameter of air inlet section is less than
The internal diameter in the first hole of valve body inlet channel, the outer diameter of the limited block are more than the internal diameter ruler in the first hole of valve body inlet channel
It is very little；
Separation net, the first gas-tpe fitting and first of upper, middle and lower arrangement are provided with the 3rd hole of valve body inlet channel
Outside framework oil seal, the top surface of separation net are close to the top surface in the 3rd hole of valve body inlet channel, the top surface of separation net and the bottom of limited block
It has been directly connected to the first spring；
Air flue includes the first hole of air flue, the second hole of air flue and the air flue the 3rd that endoporus is sequentially increased successively from right to left
Hole；
Positioning core assembly includes positioning core retainer plate, positions one block of formation of core retainer plate, which is located in the 3rd hole of air flue,
Position core retainer plate left section is located in the second hole of air flue, positions the buffer stopper and spool that left and right arrangement is provided with core retainer plate, described
Connected between buffer stopper and spool by second spring, the left end of the buffer stopper is stretched out beyond positioning core retainer plate left end, buffering
The left end of the block extension section downward with the left end of button contacts, and the right end of spool is stretched out beyond positioning core retainer plate right end, and spool includes
One is stretched into the elongated linkage section inside positioning core retainer plate and the spool main paragraph positioned at positioning core retainer plate right, spool main paragraph
Outer diameter is matched with the internal diameter size in the second hole of air flue.
The stage casing of contact block is provided with a ring groove, and the first O-ring is provided with the annular groove.
An oil sealing is provided with the top surface of limited block.
The second gas-tpe fitting is provided with the 4th hole of valve body inlet channel and the 5th hole of valve body inlet channel, second
Gas-tpe fitting lower end is provided with valve body air inlet.
The right end of positioning core retainer plate is provided with the second O-ring.
The valve body exhaust passage is provided with four stepped holes gradually increased from top to bottom, the valve body exhaust passage
Lower end is excretion gas port.
The cylinder intake passage is provided with four stepped holes gradually increased from top to bottom, is set in the 3rd stepped hole
There is the second outside framework oil seal, be provided with the 3rd gas-tpe fitting in the 4th stepped hole, the lower end of the 3rd gas-tpe fitting is provided with cylinder
Air inlet.
Compared with prior art, the beneficial effects of the utility model are：
The utility model air valve has the advantages that response is fast, has a safety feature.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the schematic diagram of valve body.
Fig. 3 is the schematic diagram of positioning core assembly.
Wherein：
Valve body 1, mounting base 101, air flue 102, the first hole of air flue 102.1, the second hole of air flue 102.2, the 3rd hole of air flue
102.3rd, valve body inlet channel 103, the first hole of valve body inlet channel 103.1, the second hole of valve body inlet channel 103.2, valve body into
The 3rd hole 103.3 of gas passage, the 4th hole 103.4 of valve body inlet channel, the 5th hole 103.5 of valve body inlet channel, valve body exhaust are logical
Road 104, cylinder intake passage 105, the second outside framework oil seal 105.1, the 3rd gas-tpe fitting 105.2, cylinder air inlet 105.3
Button 2
Air inlet core assembly 3, contact block 301, air inlet section 302, limited block 303, separation net 304, the first gas-tpe fitting 305,
First outside framework oil seal 306, the first spring 307, the second gas-tpe fitting 308, valve body air inlet 309.
Position core assembly 4, positioning core retainer plate 401, buffer stopper 402, spool 403, second spring 404, elongated linkage section
403.1st, spool main paragraph 403.2.
Embodiment
Referring to Fig. 1-Fig. 3, a kind of air valve that the utility model is related to, it includes valve body 1, and the top of the valve body 1 is set
Have a mounting base 101, mounting base 101 and the middle part of the button 2 above it are hinged, be provided with the valve body 1 air flue 102,
Valve body inlet channel 103, valve body exhaust passage 104 and cylinder intake passage 105, the air flue 102 is in horizontal cloth in valve body 1
Put, the right end of air flue 102 is connected with valve body inlet channel 103, and valve body inlet channel runs through valve body 1, the valve body row about 103
Gas passage 104 is connected to downwards the bottom surface of valve body 1 in the left end of air flue 102, and the cylinder intake passage 105 is in air flue 102
Stage casing is connected to downwards the bottom surface of valve body 1；
Valve body inlet channel 103 is from top to bottom the stepped hole of five sizes, and valve body inlet channel 103 is from top to bottom successively
Be divided into the first hole of valve body inlet channel 103.1, the second hole of valve body inlet channel 103.2, the 3rd hole 103.3 of valve body inlet channel,
The 4th hole 103.4 of valve body inlet channel and the 5th hole 103.5 of valve body inlet channel；
Air inlet core assembly 3 is located in valve body inlet channel 103, the right end bottom of the upper end connection button 2 of air inlet core assembly 3
Portion, air inlet core assembly 3 include contact block 301, air inlet section 302 and limited block 303, the contact block 301 successively from top to bottom
Outer diameter matched with the internal diameter in the first hole of valve body inlet channel 103.1, the stage casing of contact block 301 is provided with a ring groove,
The first O-ring is provided with the annular groove, the limited block 303 is located in the second hole of valve body inlet channel 103.2, air inlet section 302
Outer diameter be less than the internal diameter in the first hole of valve body inlet channel 103.1 so that air inlet section 302 and the first hole of valve body inlet channel
Gap is formed between 103.1 and supplies air inlet, the outer diameter of the limited block 303 is more than the first hole of valve body inlet channel 103.1
Internal diameter size, an oil sealing is provided with the top surface of limited block 303, and oil sealing is used for and the second hole of valve body inlet channel 103.2
Top surface contacts；
Separation net 304, the first gas-tpe fitting of upper, middle and lower arrangement are provided with the 3rd hole 103.3 of valve body inlet channel
305 and first outside framework oil seal 306, the top surface of separation net 304 be close to the top surface in the 3rd hole 103.3 of valve body inlet channel, isolate
The top surface of net 304 has been directly connected to the first spring 307, the 4th hole 103.4 of valve body inlet channel with the bottom of limited block 303
And the second gas-tpe fitting 308 is provided with the 5th hole 103.5 of valve body inlet channel, 308 lower end of the second gas-tpe fitting is provided with
Valve body air inlet 309.
Air flue 102 includes the first hole of air flue 102.1, the second hole of air flue 102.2 that endoporus is sequentially increased successively from right to left
And the 3rd hole 102.3 of air flue；
Positioning core assembly 4 includes positioning core retainer plate 401, positions one block of formation of core retainer plate 401, which is located at air flue the
In three holes 102.3, in the second hole of air flue 102.2, the right end of positioning core retainer plate 401 is provided with for positioning left section of core retainer plate 401
Two O-rings, position the buffer stopper 402 and spool 403 that left and right arrangement is provided with core retainer plate 401, the buffer stopper 402 and valve
Connected between core 403 by second spring 404, the left end of the buffer stopper 402 is stretched out beyond positioning 401 left end of core retainer plate, buffering
The left end of block 402 extension section downward with the left end of button 2 contacts, the right end of spool 403 stretch out positioning 401 right end of core retainer plate with
Outside, spool 403 includes an elongated linkage section 403.1 stretched into inside positioning core retainer plate 401 and positioned at 401 right of positioning core retainer plate
Spool main paragraph 403.2, the outer diameter of spool main paragraph 403.2 matches with the internal diameter size in the second hole of air flue 102.2；Root
Different according to action, spool main body 403.2 can be moved left and right in the upper end of cylinder intake passage 105；
The valve body exhaust passage 104 is provided with four stepped holes gradually increased from top to bottom, and the valve body exhaust is logical
The lower end in road 104 is excretion gas port；
The cylinder intake passage 105 is provided with four stepped holes gradually increased from top to bottom, in the 3rd stepped hole
The second outside framework oil seal 105.1 is provided with, the 3rd gas-tpe fitting 105.2, the 3rd gas-tpe fitting are provided with the 4th stepped hole
105.2 lower end is provided with cylinder air inlet 105.3.
Operation principle：
The gas produced by passenger vehicle and truck air pump enters valve body air inlet 309, does not adjust air power steering, gas usually
Threshold switch, which is in, closes gas not under the action of the first spring 307, making 307 upward push-tight limited block 303 of the first spring so that valve
The 103 not air inlet of body inlet channel, when air power steering to be adjusted, the right end of button 2 pushes, and makes 303 downward actuation of limited block, the
One spring 307 compresses, 103 air inlet of valve body inlet channel, and gas is entered from valve body inlet channel 103 by the first hole of air flue 102.1
In the second hole of air flue 102.2, spool 403 is promoted to be moved to the left, second spring 404 is compressed so that the spool main paragraph of spool 403
403.2 contact with positioning 401 left end of core retainer plate, have sealed valve body exhaust passage 104, gas from the cylinder of cylinder intake passage 105 into
Gas port enters cylinder below；
When the right end of button 2 stops pressing, due to the recovery of the first spring 307, valve body air inlet 309 stops supplying gas, valve
Small gas leakage at body inlet channel 103, second spring is slowly replied so that spool 403 moves right, this reaches for a period of time prolongs
When the time, when button 2 presses left end, thrust is delivered to buffer stopper compression second spring, gas directly discharged excretion gas port, is made
One-way cylinder recovers, and by cylinder compression spring force, gas is discharged as early as possible, is locked in reinstatement state.
Claims (7)
1. a kind of air valve, it is characterised in that it includes valve body（1）, the valve body（1）Top be provided with a mounting base
（101）, mounting base（101）With the button above it（2）Middle part be hinged, the valve body（1）Inside it is provided with air flue（102）, valve
Body inlet channel（103）, valve body exhaust passage（104）And cylinder intake passage（105）, the air flue（102）In valve body（1）
Interior lateral arrangement, air flue（102）Right end and valve body inlet channel（103）Connection, valve body inlet channel（103）Run through valve up and down
Body（1）, the valve body exhaust passage（104）In air flue（102）Left end be connected to valve body downwards（1）Bottom surface, the cylinder
Inlet channel（105）In air flue（102）Stage casing be connected to valve body downwards（1）Bottom surface；
Valve body inlet channel（103）It is from top to bottom the stepped hole of five sizes, valve body inlet channel（103）From top to bottom successively
It is divided into the first hole of valve body inlet channel（103.1）, the second hole of valve body inlet channel（103.2）, the 3rd hole of valve body inlet channel
（103.3）, the 4th hole of valve body inlet channel（103.4）And the 5th hole of valve body inlet channel（103.5）；
Air inlet core assembly（3）Positioned at valve body inlet channel（103）It is interior, air inlet core assembly（3）Upper end connection button（2）Right end
Bottom, air inlet core assembly（3）Include contact block successively from top to bottom（301）, air inlet section（302）And limited block（303）, it is described
Contact block（301）Outer diameter and the first hole of valve body inlet channel（103.1）Internal diameter matching, the limited block（303）Position
In the second hole of valve body inlet channel（103.2）It is interior, air inlet section（302）Outer diameter be less than the first hole of valve body inlet channel
（103.1）Internal diameter, the limited block（303）Outer diameter be more than the first hole of valve body inlet channel（103.1）Internal diameter ruler
It is very little；
The 3rd hole of valve body inlet channel（103.3）Inside it is provided with the separation net of upper, middle and lower arrangement（304）, the first gas-tpe fitting
（305）And first outside framework oil seal（306）, separation net（304）Top surface be close to the 3rd hole of valve body inlet channel（103.3）Top
Face, separation net（304）Top surface and limited block（303）Bottom be directly connected to the first spring（307）；
Air flue（102）Include the first hole of air flue that endoporus is sequentially increased successively from right to left（102.1）, the second hole of air flue
（102.2）And the 3rd hole of air flue（102.3）；
Position core assembly（4）Including positioning core retainer plate（401）, position core retainer plate（401）One block of formation, which is located at air flue
3rd hole（102.3）It is interior, position core retainer plate（401）Left section be located at the second hole of air flue（102.2）It is interior, position core retainer plate（401）Inside set
It is equipped with the buffer stopper of left and right arrangement（402）And spool（403）, the buffer stopper（402）And spool（403）Between pass through
Two springs（404）Connection, the buffer stopper（402）Left end stretch out positioning core retainer plate（401）Beyond left end, buffer stopper（402）'s
Left end and button（2）Left end it is downward extension section contact, spool（403）Right end stretch out positioning core retainer plate（401）Beyond right end,
Spool（403）Positioning core retainer plate is stretched into including one（401）Internal elongated linkage section（403.1）And positioned at positioning core retainer plate
（401）The spool main paragraph of right（403.2）, spool main paragraph（403.2）Outer diameter and the second hole of air flue（102.2）'s
Internal diameter size matches.
A kind of 2. air valve according to claim 1, it is characterised in that contact block（301）Stage casing be provided with a ring groove,
The first O-ring is provided with the annular groove.
A kind of 3. air valve according to claim 1, it is characterised in that limited block（303）Top surface on be provided with an oil
Envelope.
A kind of 4. air valve according to claim 1, it is characterised in that the 4th hole of valve body inlet channel（103.4）And
The 5th hole of valve body inlet channel（103.5）Inside it is provided with the second gas-tpe fitting（308）, the second gas-tpe fitting（308）Lower end is set
There is valve body air inlet（309）.
A kind of 5. air valve according to claim 1, it is characterised in that positioning core retainer plate（401）Right end to be provided with second O-shaped
Circle.
A kind of 6. air valve according to claim 1, it is characterised in that the valve body exhaust passage（104）Set from top to bottom
There are four stepped holes gradually increased, the valve body exhaust passage（104）Lower end for excretion gas port.
A kind of 7. air valve according to claim 1, it is characterised in that the cylinder intake passage（105）Set from top to bottom
There are four stepped holes gradually increased, the second outside framework oil seal is provided with the 3rd stepped hole（105.1）, in the 4th stepped hole
It is provided with the 3rd gas-tpe fitting（105.2）, the 3rd gas-tpe fitting（105.2）Lower end be provided with cylinder air inlet（105.3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106969.2U CN207274658U (en) | 2017-08-26 | 2017-08-26 | Air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106969.2U CN207274658U (en) | 2017-08-26 | 2017-08-26 | Air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207274658U true CN207274658U (en) | 2018-04-27 |
Family
ID=61989413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721106969.2U Expired - Fee Related CN207274658U (en) | 2017-08-26 | 2017-08-26 | Air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207274658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499299A (en) * | 2017-08-26 | 2017-12-22 | 孙乙钦 | Air valve |
-
2017
- 2017-08-26 CN CN201721106969.2U patent/CN207274658U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499299A (en) * | 2017-08-26 | 2017-12-22 | 孙乙钦 | Air valve |
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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: 20180427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |