CN105840881A - Wheel-side system assembly - Google Patents
Wheel-side system assembly Download PDFInfo
- Publication number
- CN105840881A CN105840881A CN201610279211.2A CN201610279211A CN105840881A CN 105840881 A CN105840881 A CN 105840881A CN 201610279211 A CN201610279211 A CN 201610279211A CN 105840881 A CN105840881 A CN 105840881A
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- China
- Prior art keywords
- valve
- wheel
- interface
- take turns
- sealing lip
- 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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Classifications
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- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/105—Three-way check or safety valves with two or more closure members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C29/00—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for
- B60C29/002—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for characterised by particular features of the valve core
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- 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
- F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
- F16K15/202—Check valves specially designed for inflatable bodies, e.g. tyres and with flexible valve member
Abstract
The invention relates to a wheel-side system assembly. The wheel-side system assembly comprises a valve gas pipe, an external gas source joint, a wheel-side valve and wheel-side valve brackets, wherein the wheel-side valve comprises an upper bonnet, a first spring, an upper combined diaphragm, an upper sealing lip, a valve core, a valve body, a lower combined diaphragm, a second spring and a lower bonnet, the valve core is arranged in the upper sealing lip, the upper sealing lip is arranged in the valve body and in a first gas chamber which communicates with a central gas channel of the valve body through the upper sealing lip, a second gas chamber communicates with the central gas channel and a gas vent in the wheel-side valve, and the first gas chamber and a third gas chamber communicate with an in-hub gas channel port. The wheel-side system assembly is equipped with the wheel-side valve adopting an upper-lower double-diaphragm structure, so that the stability and the reliability of inflation or deflation can be improved, the sealing performance of the wheel-side valve can be enhanced, and the inflation or deflation speed and the execution efficiency of a CTI/DS (central tire inflation/deflation system) can be increased.
Description
Technical field
The present invention relates to Center Tyre Inflation/Deflation System field, especially relate to a kind of wheel edge system
Assembly.
Background technology
When vehicle travels on good road surface, it is desirable to it travels with the highest speed, in order to
Giving full play to maneuverability, this blowing pressure just requiring to improve tire as much as possible, to reduce
Resistance to rolling and the consume of squeegee action energy.Meanwhile, complex road surface is passed through (such as when vehicle
Soft terrain and the ice and snow roads such as desert, Coastal beach, marsh, slob) time, not only wish
Hoping that vehicle can pass through, but also wish that vehicle keeps certain cross-country speed, this is accomplished by
Reduce the blowing pressure of tire, tire sinkage and soil resistance on the one hand can be made to reduce, separately
On the one hand, owing to tire embeds increasing of decorative pattern number in soil, increase the propulsive force of soil,
Pull strength is dramatically increased, improves the property passed through of automobile.
In view of the above demand, Center Tyre Inflation/Deflation System (Central Tire
Inflation/Deflation System, is called for short CTI/DS) arise at the historic moment.Central tire
Air-charging and air-discharging system refers to be arranged on wheeled vehicle, by compressed air gas source, control circuit and control
The system that gas circuit processed, rotatory sealing air chamber, tyre valve and corresponding pipeline etc. are formed,
For regulating and monitor the air pressure of tire, with the satisfied different road surfaces difference to wheel tyre air pressure
Need, the property passed through on the soft of wheeled vehicle and muddy road surface can be greatly enhanced.
At present, the wheel limit valve that the wheel edge system in Center Tyre Inflation/Deflation System is used generally has
Two kinds of structurally live plug structures and diaphragm type structure.
The wheel limit valve of piston cylinder operator, such as Chinese utility model patent the 201420042432.4th
The record of number background section, its mechanism of action is: different pressures is respectively acting on piston,
Wheel limit valve is made to be respectively turned on different passage, it is achieved tire fills, exits.But, piston cylinder operator
Wheel limit valve there is also such-and-such deficiency.Such as, the wheel limit valve of piston cylinder operator is used
Central tire blow-off system cannot meet vehicle and tire pressure is less than the requirement of 0.15MPa.Again
Such as, wheel limit valve is fixed on wheel hub, if vehicle is paddled, wheel limit valve then cannot avoid water completely
Dividing and enter valve body, may cause taking turns limit defective valve, its scope of application reduces.
The wheel limit valve of another kind of diaphragm type structure, at Chinese invention patent the 201010140170.1st
Number and Chinese utility model patent the 201420042432.4th in the most on the books.Use diaphragm
The wheel limit valve of formula structure, it is possible to be effectively prevented from existing for the wheel limit valve of piston cylinder operator above-mentioned
Problem.But, the wheel limit valve of existing diaphragm type structure there is also certain weak point.
In Chinese invention patent the 201010140170.1st, vehicle center tyre inflation/deflation
Air filling and discharging valves assembly in system switches inflation/deflation action by opening and closing electromagnetic valve, thus controls
Tyre inflating or venting.So, not only make the structure taking turns edge system complicated, the most correspondingly increase
Add the complexity of the Center Tyre Inflation/Deflation System of control wheel limit valve.
In Chinese utility model patent the 201420042432.4th, air pressure is used to control
Single-iris activity opens and closes air inlet, gas outlet, thus controls the action of the inflation/deflation of tire.
Wherein, wheel limit valve uses single air flue (air chamber) to realize inflatable and deflatable, inflation/deflation speed
Relatively slow, affect the execution efficiency of Center Tyre Inflation/Deflation System.
Summary of the invention
For solving problem above, the invention provides a kind of diaphragm type using air pressure to start wheel limit
The wheel edge system assembly of valve, its good airproof performance, inflation/deflation good stability and speed are fast.
The technical solution used in the present invention is: a kind of wheel edge system assembly, including valve cock trachea
(1), external gas source joint (2), wheel limit valve (4) and wheel limit valve support (8), valve
Mouth trachea (1), external gas source joint (2) and wheel limit valve support (8) are respectively installed to take turns limit
On valve (4), one end of valve cock trachea (1) is provided with the wheel that the valve cock with tire is connected
Tyre valve mouth interface (B), external gas source joint (2) is provided be connected with external gas source external
Gas source interface (D), wheel limit valve (4) is provided with and connects with the central airway taking turns limit valve (4)
Air flue interface (A) in wheel hub, wheel limit valve (4) include the most successively bonnet, (4.1),
First spring (4.2), upper combined diaphragm (4.3), upper sealing lip (4.5), spool (4.7),
Valve body (4.11), lower combined diaphragm (4.10), the second spring (4.9) and bottom flange (4.8),
Spool (4.7) is placed in sealing lip (4.5), and upper sealing lip (4.5) is placed in valve body (4.11)
In, internal at valve body (4.11) between upper combined diaphragm (4.3) and upper sealing lip (4.5)
Forming the first air chamber (I), upper sealing lip (4.5) is arranged in the first air chamber (I), and first
Air chamber (I) is connected by the central airway of upper sealing lip (4.5) with valve body (4.11), valve
Between body (4.11) the latter half and lower combined diaphragm (4.10) in valve body (4.11) shape
Become the second air chamber (II), the second air chamber (II) and putting in central airway and wheel limit valve (4)
QI KOU (C) is connected, and lower combined diaphragm (4.10) and bottom flange (4.8) are in bottom flange (4.8)
Be internally formed the 3rd air chamber (III), the first air chamber (I) and the 3rd air chamber (III) all with wheel
Air flue interface (A) connection in hub, upper combined diaphragm (4.3) is at the first spring (4.2)
It is close under the common effect of the air pressure in downward elastic force and the first air chamber (I) or leaves close
Sealing on lip (4.5) and the connected entrance of central airway, lower combined diaphragm (4.10) is at the second bullet
It is close under the common effect of the upwards elastic force of spring (4.9) and the air pressure of the 3rd air chamber (III)
Or leave the connected entrance of valve body (4.11) lower end and central airway.
As preferably, the first joint (2.1) is passed through in one end of described external gas source joint (2)
Being connected with described valve cock trachea (1), the upper tyre valve of described valve cock trachea (1) connects
Being provided with the first O (1.1) at Kou, described valve cock trachea (1) is upper to be connect with described first
Head (2.1) junction is provided with the second O (1.2).
As preferably, the described front end taking turns limit valve (4) be sequentially installed with the second joint (5),
3rd joint (9), described second joint (5) passes through hexagon socket cap head screw (6), bullet
Property packing ring (7) is connected with described limit valve (4) of taking turns.
As preferably, the upper end of described 3rd joint (9) is inserted directly into described second joint (5)
In and by the 6th O (13) seal, the lower end of described 3rd joint (9) is provided with institute
Stating air flue interface (A) in bridge wheel hub, in described bridge wheel hub, air flue interface (A) is connect by screw thread
Enter in axle hub in air flue and sealed by the 7th O (14).
As preferably, described take turns limit valve support (8) by the second hexagon socket cap head screw (16),
Second elastic washer (17), cross recessed countersunk head sscrew (15) and the described institute taking turns limit valve (4)
State bottom flange (4.8) to connect.
As preferably, the inner liner of described valve cock trachea (1) is that overhead structure is fixed,
One end of described valve cock trachea (1) is connected with the valve cock of tire, described valve cock gas
The other end of pipe (1) is connected with one end of external gas source joint 2, described external gas source joint
(2) the other end is connected to the described side taking turns limit valve (4) and by locking nut (3)
Fixing, and sealed by the 3rd O (10), the 4th O (11).
As preferably, described upper sealing lip (4.5) is fixed on described with circlip (4.4)
In valve body (4.11), use between described upper sealing lip (4.5) and described valve body (4.11)
O (4.6) seals.
As preferably, described bonnet, (4.1), described valve body (4.11) and described bottom flange
(4.8) connected by hexagon socket cap head screw (4.13) and elastic washer (4.12).
As preferably, in described wheel hub air flue interface (A) towards with tyre valve interface
(B) towards identical, described external gas source interface (D) towards with air flue in described wheel hub
Interface (A) and tyre valve interface (B) towards on the contrary.
As preferably, described gas vent (C) towards with described external gas source interface (D)
Air flue interface (A) towards, described tyre valve interface (B) in, described wheel hub
Towards perpendicular.
The present invention obtains and provides the benefit that: the wheel edge system assembly of the present invention uses the most double film
The wheel limit valve of slice structure, will be divided into three air chambers in valve body, controlled the most double by air pressure
The motion of diaphragm, thus perform the keying of air chamber, reaches inflation, venting, pressurize and pressure measurement
Purpose, uses the wheel limit valve of this pair of diaphragm type structure, can not only improve inflated for deflated
Stability, reliability and the sealing of enhancing wheel limit valve, additionally it is possible to improve inflation/deflation speed and wheel
The execution efficiency of tire central air-charging and air-discharging system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wheel edge system assembly of the present invention；
Fig. 2 is the top view of the wheel edge system assembly in Fig. 1；
Fig. 3 is the isometric exploded view of the wheel limit valve of the wheel edge system assembly in Fig. 1；
Fig. 4 is the cross sectional view along E-E direction of the wheel edge system assembly in Fig. 2；
Fig. 5 is the cross sectional view along F-F direction of the wheel edge system assembly in Fig. 2.
Detailed description of the invention
In order to be more fully understood that the present invention, below with reference to accompanying drawing and instantiation, the present invention is entered
Row detailed description.
Incorporated by reference to refering to Fig. 1 and Fig. 2, the offer one of the present invention is used for central tire inflation/deflation
The wheel edge system assembly of system, it includes valve cock trachea 1, external gas source joint 2, locking
Nut 3, wheel limit valve 4 and wheel limit valve support 8.
One end of valve cock trachea 1 is tyre valve interface B, is connected with the valve cock of tire
Connect；The other end of valve cock trachea 1 is connected with one end of external gas source joint 2, described external
The other end of gas source connector 2 is connected to take turns the side of limit valve 4 and fixed by locking nut 3,
And connect with the central airway of wheel limit valve 4.
The first O 1.1, valve it is provided with at tyre valve interface B on valve cock trachea 1
It is provided with the second O 1.2 with external gas source joint 2 junction on mouth trachea 1.
Wheel edge system assembly is with wheel limit valve 4 for connecting matrix, and wheel limit valve 4 left end is followed successively by locking
Nut 3, external gas source joint 2, valve cock trachea 1.The right-hand member of external gas source joint 2 with
Wheel limit valve 4 connects, and by locking nut 3, external gas source joint 2 and wheel limit valve 4 is locked and (protected
Card external gas source interface D mouth is upward), seal by the 3rd O the 10, the 4th O 11.
The left end of external gas source joint 2 is connected with valve cock trachea 1 right-hand member by screw thread, and by second
O 1.2 seals.The left end of valve cock trachea 1 passes through screw thread by tyre valve interface B
It is connected with tyre valve, and seals by the first O 1.1.The inside of valve cock trachea 1
Bushing pipe is that overhead structure fixes (as best seen in figure 1).
The front end of wheel limit valve 4 is followed successively by the second joint the 5, the 3rd joint 9.Second joint 5 leads to
Cross first hexagon socket cap head screw the 6, first elastic washer 7 to be connected with wheel limit valve 4, and lean on
5th O 12 seals.The upper end of the 3rd joint 9 is inserted directly in the second joint 5, and
Seal by the 6th O 13.The lower end of the 3rd joint 9 is provided with air flue interface A in bridge wheel hub,
By being threaded in axle hub in air flue, and seal by the 7th O 14.Wheel limit valve
It is mutually between the interface and the interface connected with air flue in wheel hub that connect with tire air flue on 4
90 °, i.e. stagger between tire air flue interface and wheel hub air flue interface on wheel limit valve 4 90 ° of (tools
Body is shown in Fig. 2)
The lower end of wheel limit valve 4 is wheel limit valve support 8, by the second hexagon socket cap head screw 16,
Second elastic washer 17, cross recessed countersunk head sscrew 15 are by wheel limit valve support 8 and wheel limit valve 4
Bottom flange (bottom flange 4.8, see Fig. 3) connects.
Wheel edge system assembly in, in wheel hub air flue interface A towards with tyre valve interface B
Towards identical (in wheel and wheel hub)；External gas source interface D towards with in wheel hub
Air flue interface A and tyre valve interface B towards on the contrary, outside tire；Gas vent C
Towards with described external gas source interface D towards in, wheel hub air flue interface A towards, wheel
Tyre valve mouth interface B towards perpendicular, towards the side of tire.So, whole limit of taking turns is
Each interface of system assembly is the most mutually in staggered distribution.
Whole edge system assembly of taking turns is by hub nut, wheel limit valve support 8 and gas in axle hub
Road connects and fixes.
Referring to Fig. 3, wheel limit valve 4 includes bonnet, the 4.1, first spring 4.2, upper combination
Diaphragm 4.3, circlip for hole 4.4, upper sealing lip the 4.5, the 8th O 4.6, spool
4.7, bottom flange the 4.8, second spring 4.9, lower combined diaphragm 4.10, valve body 4.11,
Three elastic washer 4.12 and the 3rd hexagon socket cap head screws 4.13.
Wheel limit valve 4 is with valve body 4.11 for connecting matrix.Wheel limit valve 4 is followed successively by from top to bottom
Valve gap the 4.1, first spring 4.2, upper combined diaphragm 4.3, upper sealing lip 4.5, spool 4.7
Valve body 4.11, lower combined diaphragm the 4.10, second spring 4.9, bottom flange 4.8.Wherein, on
Valve gap 4.1, valve body 4.11, bottom flange 4.8 by the 3rd hexagon socket cap head screw 4.13,
3rd elastic washer 4.12 connects.Spool 4.7 is put in sealing lip 4.5, and is pressed
Enter in valve body 4.11, fix by circlip for hole 4.4, seal by the 8th O 4.6.
By said structure, can be able to be divided in wheel limit valve 4 three air chamber the first air chamber I,
Second air chamber II and the 3rd air chamber III.Valve body 4.11 has upper and lower two air chambers internal being divided into
First air chamber I and the second air chamber II.Between upper combined diaphragm 4.3 and upper sealing lip 4.5
Being internally formed the first air chamber I at valve body 4.11, upper sealing lip 4.5 is arranged on the first air chamber I
In, the first air chamber I is connected with central airway by upper sealing lip 4.5.Valve body 4.11 times
In valve body 4.11, the second air chamber II is formed between half part and lower combined diaphragm 4.10, the
Two air chamber II are connected with central airway and gas vent C.Central airway passes through tyre valve
Interface B connects with tire all the time.Lower combined diaphragm 4.10 and bottom flange 4.8 are at bottom flange 4.8
It is internally formed the 3rd air chamber III.First air chamber I and the 3rd air chamber III all with air flue in wheel hub
Interface A connects.
Under the original state of wheel limit valve 4, the first spring 4.2 is by downward for upper combined diaphragm 4.3
Compression sticks sealing lip 4.5, connected entrance with central airway on sealing lip 4.5 in closing, from
And completely cut off the first air chamber I and central airway (air flue and central airway in isolation wheel hub)；Second
Lower combined diaphragm 4.10 is pressed up by spring 4.9 is close to valve body 4.11, closed valve 4.11
Lower end and the connected entrance of central airway, thus completely cut off the second air chamber II and central airway (isolation
Gas vent C and central airway).
Incorporated by reference to refering to Fig. 4 and Fig. 5, when after wheel edge system assembly installation, take turns limit valve 4
It is in original state.
Original state: first spring the 4.2, second spring 4.9 in wheel limit valve 4 is in compression
State, the height of first spring the 4.2, second spring 4.9 is respectively H10、H20, upper combination
Diaphragm 4.3 is adjacent to upper sealing lip 4.5, and lower combined diaphragm 4.10 is adjacent to valve body 4.11.
Gas in tire via valve cock trachea 1, passes through external gas by tyre valve interface B
Source joint 2, the central airway with valve body 4.11 connects all the time, and air pressure makes spool 4.7 be subject to
Power upwards is adjacent to upper sealing lip 4.5.
Inflated condition: when receiving inflation instruction and needing to tyre inflating, central tire charge and discharge
Gas system applies malleation source of the gas (more than pressure of tire), source of the gas to air flue interface A in bridge wheel hub
The air flue passing sequentially through the 3rd joint the 9, second joint 5 enters the first air chamber I of wheel limit valve 4
(the internal upper chamber between combined diaphragm 4.3 and upper sealing lip 4.5 of valve body 4.11) and the
Three air chamber III (chamber between bottom flange 4.8 inside and lower combined diaphragm 4.10).Now,
Upper combined diaphragm 4.3, lower combined diaphragm 4.10 are respectively by power upwards, the first spring 4.2
Compression, spring heights H further11(H11＜ H10), the second spring 4.9 maintains initial pressure substantially
Contracting state, spring heights H20.Upper combined diaphragm 4.3 separates with upper sealing lip 4.5, spool
4.7 separate with upper sealing lip 4.5, and lower combined diaphragm 4.10 and valve body 4.11 maintain initial patch
Tight state, the gas in the first air chamber I is by upper sealing lip 4.5, the central authorities of valve body 4.11
Air flue, the air flue of external gas source joint 2, arrive tyre valve via valve cock trachea 1 and connect
Mouth B enters tire, thus realizes the inflation action to tire.In whole gas replenishment process, gas
Flow to as shown shown in 4 directions of arrow.
Deflation status: when receiving venting instruction and needing to deflate a tire, central tire charge and discharge
Gas system applies negative pressure source of the gas to air flue interface A in bridge wheel hub (i.e. to pipeline evacuation, makes pipe
Road air pressure ＜ atmospheric pressure), enter wheel limit valve 4 by the air flue of the 3rd joint the 9, second joint 5
The first air chamber I and the 3rd air chamber III.Now, upper combined diaphragm 4.3, lower combined diaphragm
4.10 respectively by downward suction, and the first spring 4.2 maintains initial compressed state substantially,
Spring heights H10), the second spring 4.9 compresses further, spring heights H22(H22＜ H20)。
Upper combined diaphragm 4.3 maintains, with upper sealing lip 4.5, the state that is initially adjacent to, and spool 4.7 is close with upper
Envelope lip 4.5 maintains the state that is initially adjacent to, lower combined diaphragm 4.10 to separate with valve body 4.11.Valve
Gas in the central airway (connecting with tire all the time) of body 4.11 enters the second air chamber II (valve
Chamber between body 4.11 inside and lower combined diaphragm 4.10, is connected with gas vent C),
And be emitted into air by the gas vent C of wheel valve 4 side, limit, thus realize the venting to tire
Action.In whole deflation course, gas flow is as shown shown in 5 directions of arrow.
Packing state: when receiving pressurize instruction and needing tyre pressure-keeping, central tire charge and discharge
Gas system applies an of short duration malleation, upper combined diaphragm 4.3 to air flue interface A in bridge wheel hub
Separating with upper sealing lip 4.5, then air flue interface rapid deflation gas in wheel hub, makes first
Air pressure in air chamber I declines rapidly.When the pressure of the first air chamber I internal gas pressure drops to less than
During the elastic force of one spring 4.2, upper combined diaphragm 4.3 is adjacent to (above-mentioned mistake with upper sealing lip 4.5
Cheng Zhong, lower combined diaphragm 4.10 maintains, with valve body 4.11, the state that is initially adjacent to all the time.Valve body
Gas in the central airway (connecting with tire all the time) of 4.11 can not enter the first air chamber I
With the second air chamber II, air flue interface A and gas vent C aerofluxus in wheel hub i.e. can not be passed through, from
And realize the pressurize action to tire.
Pressure measurement state: when receiving pressure measurement instruction and needing tire pressure measurement, central tire charge and discharge
Gas system applies an of short duration malleation, upper combined diaphragm 4.3 to air flue interface A in bridge wheel hub
Separate with upper sealing lip 4.5, the then malleation input of air flue interface A in stopping wheel hub.Now,
The air flue internal gas pressure that tire internal gas pressure is coupled with air flue interface A in wheel hub is consistent, measures air flue
Internal gas pressure value is present tire tire pressure, thus (pressure measurement terminates to realize the pressure measurement action to tire
After need perform pressurize action make tyre pressure-keeping).
As it was noted above, the wheel limit valve in the wheel edge system assembly of the present invention uses the most double diaphragm
The wheel limit valve of formula structure, will be divided into three air chambers in valve body, control the most double film by air pressure
The motion of sheet, thus perform the keying of air chamber, reach inflation, venting, pressurize and the mesh of pressure measurement
's.The wheel limit valve of this pair of diaphragm type structure, can not only improve inflated for deflated stability,
Reliability and the sealing of enhancing wheel limit valve, additionally it is possible to improve inflation/deflation speed and central tire fills
The execution efficiency of blow-off system.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.
Skilled person will appreciate that of the industry, the present invention is not restricted to the described embodiments, above-mentioned reality
Execute the principle that the present invention is simply described described in example and description, without departing from spirit and
On the premise of scope, the present invention also has various changes and modifications, and these changes and improvements all fall
Enter in scope of the claimed invention.Claimed scope is by appended claim
Book and equivalent thereof define.
Claims (10)
1. wheel an edge system assembly, including valve cock trachea (1), external gas source joint (2),
Wheel limit valve (4) and wheel limit valve support (8), described valve cock trachea (1), described external
Gas source connector (2) and described limit valve support (8) of taking turns are respectively installed to described take turns limit valve (4)
On, one end of described valve cock trachea (1) is provided with the tire that the valve cock with tire is connected
Valve cock interface (B), described external gas source joint (2) is provided with outside being connected with external gas source
Connect gas source interface (D), described take turns being provided with of limit valve (4) and take turns in limit valve (4) with described
Centre air flue connection wheel hub in air flue interface (A), described take turns limit valve (4) include bonnet, (4.1),
Upper sealing lip (4.5), spool (4.7), valve body (4.11) and bottom flange (4.8), its
Be characterised by: described take turns limit valve (4) include the most successively described bonnet, (4.1),
First spring (4.2), upper combined diaphragm (4.3), described upper sealing lip (4.5), described valve
Core (4.7), described valve body (4.11), lower combined diaphragm (4.10), the second spring (4.9)
And described bottom flange (4.8), described spool (4.7) is placed in described upper sealing lip (4.5)
In, described upper sealing lip (4.5) is placed in described valve body (4.11), described upper combined films
It is internally formed at described valve body (4.11) between sheet (4.3) and described upper sealing lip (4.5)
First air chamber (I), described upper sealing lip (4.5) is arranged in described first air chamber (I),
Described first air chamber (I) is by the central authorities of described upper sealing lip (4.5) with valve body (4.11)
Air flue connects, described valve body (4.11) the latter half and described lower combined diaphragm (4.10) it
Between in described valve body (4.11) formed the second air chamber (II), described second air chamber (II)
Be connected with described central airway and the described gas vent (C) taken turns on limit valve (4), described under
Combined diaphragm (4.10) and described bottom flange (4.8) are in the internal shape of described bottom flange (4.8)
Becoming the 3rd air chamber (III), described first air chamber (I) and the 3rd air chamber (III) are all with described
Air flue interface (A) connection in wheel hub, described upper combined diaphragm (4.3) is at described first spring
(4.2) the common effect of the air pressure in downward elastic force and described first air chamber (I) is lower tight
Patch or leave the upper connected entrance with described central airway of described upper sealing lip (4.5), described under
Combined diaphragm (4.10) is in the upwards elastic force and the described 3rd of described second spring (4.9)
It is close under the common effect of the air pressure of air chamber (III) or leaves described valve body (4.11) lower end
Connected entrance with described central airway.
The most according to claim 1 take turns edge system assembly, it is characterised in that: outside described
The one end connecing gas source connector (2) is connected with described valve cock trachea (1), described valve cock gas
The upper tyre valve seam of pipe (1) is provided with the first O (1.1), described valve cock gas
Pipe (1) is upper is provided with the second O (1.2) with described external gas source joint (2) junction.
The most according to claim 1 take turns edge system assembly, it is characterised in that: described take turns
The front end of limit valve (4) is sequentially installed with the second joint (5), the 3rd joint (9), and described
Two joints (5) take turns limit by hexagon socket cap head screw (6), elastic washer (7) with described
Valve (4) connects.
The most according to claim 3 take turns edge system assembly, it is characterised in that: described
The upper end of three joints (9) is inserted directly in described second joint (5) and by the 6th O
(13) sealing, the lower end of described 3rd joint (9) is provided with air flue interface in described bridge wheel hub
(A), in described bridge wheel hub air flue interface (A) by being threaded in axle hub in air flue
And sealed by the 7th O (14).
The most according to claim 1 take turns edge system assembly, it is characterised in that: described take turns
Limit valve support (8) by the second hexagon socket cap head screw (16), the second elastic washer (17),
Cross recessed countersunk head sscrew (15) is connected with the described described bottom flange (4.8) taking turns limit valve (4).
The most according to claim 1 take turns edge system assembly, it is characterised in that: described gas
The inner liner of door mouth trachea (1) is that overhead structure is fixed, described valve cock trachea (1)
One end is connected with the valve cock of tire, and the other end of described valve cock trachea (1) is with external
One end of gas source connector (2) connects, and the other end of described external gas source joint (2) is connected to
Wheel limit valve (4) side and by locking nut (3) fix, and by the 3rd O (10),
4th O (11) seals.
The most according to any one of claim 1 to 6 take turns edge system assembly, its feature
It is: described upper sealing lip (4.5) is fixed on described valve body (4.11) with circlip (4.4)
In, with O (4.6) between described upper sealing lip (4.5) and described valve body (4.11)
Seal.
The most according to claim 7 take turns edge system assembly, it is characterised in that: on described
Valve gap (4.1), described valve body (4.11) and described bottom flange (4.8) are by interior hexagonal circle
Chapiter screw (4.13) and elastic washer (4.12) connect.
The most according to claim 1 take turns edge system assembly, it is characterised in that: described take turns
In hub air flue interface (A) towards with tyre valve interface (B) towards identical, described
External gas source interface (D) towards with air flue interface (A) and tyre valve in described wheel hub
Interface (B) towards on the contrary.
The most according to claim 9 take turns edge system assembly, it is characterised in that put described in:
QI KOU (C) towards with described external gas source interface (D) towards air flue in, described wheel hub
Interface (A) towards, described tyre valve interface (B) towards perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279211.2A CN105840881B (en) | 2016-04-29 | 2016-04-29 | Take turns edge system assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279211.2A CN105840881B (en) | 2016-04-29 | 2016-04-29 | Take turns edge system assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840881A true CN105840881A (en) | 2016-08-10 |
| CN105840881B CN105840881B (en) | 2018-01-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610279211.2A Active CN105840881B (en) | 2016-04-29 | 2016-04-29 | Take turns edge system assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105840881B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883053A (en) * | 2017-11-28 | 2018-04-06 | 瑞安市瀚德车辆部件有限公司 | Valve is controlled in the negative pressure of automobile tire air-charging and air-discharging system |
| CN112572374A (en) * | 2019-09-30 | 2021-03-30 | 北京中资燕京汽车有限公司 | Hub reduction gear assembly and wheel assembly |
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| CN101162063A (en) * | 2007-10-30 | 2008-04-16 | 武汉元丰汽车技术发展有限公司 | Automobile tyre valve |
| US20140076456A1 (en) * | 2012-09-19 | 2014-03-20 | Stemco Lp | Central tire inflation system pressure regulator |
| CN203703229U (en) * | 2014-01-23 | 2014-07-09 | 宜宾三江机械有限责任公司 | Combined wheel side valve |
| WO2015006462A1 (en) * | 2013-07-09 | 2015-01-15 | Parker-Hannifin Corporation | Pressure and temperature compensated control valve assembly |
| CN205605884U (en) * | 2016-04-29 | 2016-09-28 | 武汉元丰汽车技术发展有限公司 | Wheel limit system assembly |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162063A (en) * | 2007-10-30 | 2008-04-16 | 武汉元丰汽车技术发展有限公司 | Automobile tyre valve |
| US20140076456A1 (en) * | 2012-09-19 | 2014-03-20 | Stemco Lp | Central tire inflation system pressure regulator |
| WO2015006462A1 (en) * | 2013-07-09 | 2015-01-15 | Parker-Hannifin Corporation | Pressure and temperature compensated control valve assembly |
| CN203703229U (en) * | 2014-01-23 | 2014-07-09 | 宜宾三江机械有限责任公司 | Combined wheel side valve |
| CN205605884U (en) * | 2016-04-29 | 2016-09-28 | 武汉元丰汽车技术发展有限公司 | Wheel limit system assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883053A (en) * | 2017-11-28 | 2018-04-06 | 瑞安市瀚德车辆部件有限公司 | Valve is controlled in the negative pressure of automobile tire air-charging and air-discharging system |
| CN107883053B (en) * | 2017-11-28 | 2023-11-24 | 瑞安市瀚德车辆部件有限公司 | Negative pressure central control valve of automobile tyre inflation and deflation system |
| CN112572374A (en) * | 2019-09-30 | 2021-03-30 | 北京中资燕京汽车有限公司 | Hub reduction gear assembly and wheel assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105840881B (en) | 2018-01-09 |
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Address after: 430000 No. 266 Taizihu Road, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee after: HUBEI MILITARY ASSOCIATION HANLONG TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 430056, No. 266 Taizi Lake Road, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: WUHAN YOUFIN AUTOMOBILE TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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