CN104773149A - Load sensing proportional valve body and load sensing proportional valve - Google Patents
Load sensing proportional valve body and load sensing proportional valve Download PDFInfo
- Publication number
- CN104773149A CN104773149A CN201510208202.XA CN201510208202A CN104773149A CN 104773149 A CN104773149 A CN 104773149A CN 201510208202 A CN201510208202 A CN 201510208202A CN 104773149 A CN104773149 A CN 104773149A
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- China
- Prior art keywords
- valve body
- load sensing
- front axle
- pass prot
- braking
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/18—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/36—Other control devices or valves characterised by definite functions
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Control Valves For Brake Systems (AREA)
Abstract
The invention provides a load sensing proportional valve body and a load sensing proportional valve. The load sensing proportional valve body comprises a valve body, wherein the valve body comprises a back axle brake liquid inlet, an oil pressure adjusting cavity and a brake liquid outlet which are sequentially communicated. The load sensing proportional valve body is characterized in that the valve body also comprises a bypass hole which is used for communicating the back axle brake liquid inlet and the brake liquid outlet; when the brake force of a front axle is not reduced, the bypass hole is sealed, and the back axle brake liquid inlet and the brake liquid outlet are not communicated; when the brake force of the front axle is reduced, the bypass hole is opened, and the back axle brake liquid inlet and the brake liquid outlet are communicated. The load sensing proportional valve body has the advantage that when the brake force of the front axle is reduced, the bypass hole is opened, the back axle brake liquid directly flows from the back axle brake liquid inlet to the brake liquid outlet, and does not flow into the oil pressure adjusting cavity, and the oil pressure of the back axle brake liquid is not reduced, so the brake force of a whole automobile is guaranteed, and the driving safety of the automobile is improved.
Description
Technical field
The present invention relates to brake system of car, particularly a kind of load sensing valve valve body and apply the load sensing valve of this load sensing valve valve body.
Background technology
Automobile is under zero load, fully laden, and the deflection of suspension is inconsistent, causes the relative height of vehicle frame and back axle difference to exist and changes.Load sensing valve utilizes this phenomenon, the aperture of regulation valve body is carried out by the change of diff-H, thus adjustment braking oil pressure, oil pressure after adjustment inputs in rear axle brake vi again, control the output of braking force to meet the demand of car load braking, ensure stability during car load braking, improve vehicle security.
As shown in Figure 1, existing load sensing valve comprises valve body 1', connection bracket 2', pressing plate 3, spring 4', connecting rod 5', fixed support 6' and bolt 7', fixed support 6' is connected with back axle, the free end of connecting rod 5' is connected with vehicle frame, wherein, connection bracket 2' is provided with three coupling ends, be respectively the first coupling end 21', the second coupling end 22' and the 3rd coupling end 23', 3rd coupling end 23' place has long arc-shaped holes, first coupling end 21' is connected by bearing pin or rivet etc. with one end of valve body 1', and connection bracket 2' can rotate relatively with valve body 1'; Fixed support 6' is connected with the other end of valve body 1'; Pressing plate 3' is used for the aperture of control valve body 1', its self-retaining support 6' passes, be provided with spring 4' between one end of pressing plate 3' and the second coupling end 22' of connection bracket 2', thus make the rotary motion of connection bracket 2' can be converted into tensile force to spring 4', to control pressing plate 3'; Connecting rod 5' is provided with two, be respectively first connecting rod 51', second connecting rod 52', one end of first connecting rod 51' and the long arc-shaped holes of the 3rd coupling end 23' are fixed (under normal service condition by bolt 7', connection bracket 2' and first connecting rod 51' can firmly be fixed together by bolt 7', can not there is relative motion in support 2' and first connecting rod 51'), both connection locations are adjustable, and one end of second connecting rod 52' is connected with the other end of first connecting rod 51' linkage.
As shown in Figures 2 and 3, the valve body 1' of existing load sensing valve comprises valve body body 11', valve body body 11' is provided with rear axle braking liquid import 111', adjustment of oil pressure chamber 112' and the braking liquid outlet 113' be communicated with in turn, wherein, be provided with pilot pin 114' in the 112' of adjustment of oil pressure chamber, be positioned at the pressure spring 115' on pilot pin 114' surface and the pedestal 116' for closed adjustment of oil pressure chamber 112'; One end of pilot pin 114' is by rubber piston 117' and adjustment of oil pressure chamber 112' bearing fit, and the other end of pilot pin 114' is by rubber piston 117' and pedestal 116' bearing fit; Seal ring 118' is provided with between pedestal 116' and adjustment of oil pressure chamber 112', pedestal 116' is provided with dust boot 119' away from one end of valve body body 11', pilot pin 114' stretches out in dust boot 119', and the part that pressing plate 3' stretches out in dust boot 119' with pilot pin 114' is connected.
Existing load sensing valve is connected with vehicle frame with back axle, when the load of car load changes, frame distortion, drive second connecting rod 52' motion, and then first connecting rod 51' drives connection bracket 2', connection bracket 2' rotates around its first coupling end 21', now there is deformation in spring 4', pressing plate 3' moves along the axial direction of pilot pin 114', pilot pin 114' slides in the 112' of adjustment of oil pressure chamber, the slip of pilot pin 114' makes the length of pressure spring 115' change, thus pilot pin 114' and pressure spring 115' changes the adjusting range of the pressure of rear axle braking liquid, the rear axle braking liquid output oil pressure of load sensing valve also changes thereupon.
During load sensing valve work, rear axle braking liquid with pressure enters from rear axle braking liquid import 111', flow to adjustment of oil pressure chamber 112', by the pilot pin 114' in the 112' of adjustment of oil pressure chamber and pressure spring 115', the pressure to rear axle braking liquid adjusts, rear axle braking liquid self-control hydrodynamic outlet 113' after pressure adjusting flows out, the rear axle braking liquid that pressure reduces enters rear axle brake system, like this, just reaches the object of load sensing valve adjustment rear axle braking liquid oil pressure.
Load sensing valve can regulate the braking oil pressure of automobile hind axle, but front axle braking force because of the front axle brake pipeline of automobile there is the problems such as leakage of oil and weaken time, load sensing valve still regulates the braking oil pressure of rear axle, and namely load sensing valve still can weaken rear axle braking force.Due to front axle braking force weaken while after axle braking force reduce, the braking force of car load will reduce greatly, bring great potential safety hazard to chaufeur and passenger.
Summary of the invention
When the technical problem to be solved in the present invention is to provide a kind of current axis braking force to weaken, the complete output of the braking oil pressure of rear axle can be ensured and unabated load sensing valve valve body, and apply the load sensing valve of this load sensing valve valve body.
For solving the problems of the technologies described above, the present invention provide firstly a kind of load sensing valve valve body, comprise valve body body, described valve body body comprise be communicated with in turn the import of rear axle braking liquid, adjustment of oil pressure chamber and braking liquid outlet, described valve body body also comprise can be communicated with the import of described rear axle braking liquid and described braking liquid outlet by-pass prot;
When current axis braking force does not weaken, described by-pass prot is closed, and the import of described rear axle braking liquid is not communicated with described braking liquid outlet;
When current axis braking force weakens, described by-pass prot is opened, and the import of described rear axle braking liquid is connected with described braking liquid outlet.
Preferably, described valve body body also comprises front axle brake liquid passage;
Described by-pass prot can be communicated with the import of described rear axle braking liquid, the outlet of described braking liquid and described front axle brake liquid passage;
Be provided with push rod in described front axle brake liquid passage, described push rod and described front axle brake liquid passage bearing fit, close to make described push rod or open described by-pass prot;
When current axis braking force does not weaken, described push rod closes described by-pass prot, is not communicated with described braking liquid outlet to make the import of described rear axle braking liquid;
When current axis braking force weakens, described push rod opens described by-pass prot, is connected with described braking liquid outlet to make the import of described rear axle braking liquid.
Preferably, described push rod is provided with the by-pass prot sealing block for closing described by-pass prot near one end of described by-pass prot.
Preferably, described push rod comprises the contiguous cooperation section of described by-pass prot and the spring section away from described by-pass prot, and described cooperation section and described front axle brake liquid passage bearing fit, described spring section is provided with push rod spring.
More preferably, described cooperation section comprises closed end and abutting end, and the radial dimension of described closed end is less than the radial dimension of described abutting end, described abutting end and described front axle brake liquid passage bearing fit, and described abutting end is provided with push rod seal circle.
Preferably, described front axle brake liquid passage is provided with the sealing base with described front axle brake liquid passage interference fit away from the side of described by-pass prot, described sealing base is provided with the import of front axle brake liquid.
More preferably, pedestal seal ring is provided with between described sealing base and described front axle brake liquid passage.
More preferably, front axle brake liquid cushion chamber is also provided with between described sealing base and described push rod.
Present invention also offers a kind of load sensing valve, it comprises above-mentioned load sensing valve valve body.
Load sensing valve valve body provided by the invention is when front axle braking force weakens, by-pass prot is opened, rear axle braking liquid directly flows to braking liquid outlet from the import of rear axle braking liquid, rear axle braking liquid does not enter adjustment of oil pressure chamber thus the oil pressure of rear axle braking liquid does not weaken, ensure that the braking force of car load, improve ride safety of automobile.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing load sensing valve;
Fig. 2 is the structural representation of the valve body of existing load sensing valve;
Fig. 3 is the local structure schematic diagram of the valve body of existing load sensing valve;
Fig. 4 is the structural representation of load sensing valve valve body embodiment of the present invention;
Fig. 5 is a visual angle local structure schematic diagram of load sensing valve valve body embodiment of the present invention;
Fig. 6 is another visual angle local structure schematic diagram of load sensing valve valve body embodiment of the present invention;
Fig. 7 is the structural representation of the push rod of load sensing valve valve body embodiment of the present invention;
Fig. 8 is the structural representation of load sensing valve embodiment of the present invention.
In figure, mark is as follows:
Valve body-1', valve body body-11', rear axle braking liquid import-111', adjustment of oil pressure chamber-112', braking liquid outlet-113', pilot pin-114', pressure spring-115', pedestal-116', rubber piston-117', seal ring-118', dust boot-119', connection bracket-2', first coupling end-21', second coupling end-22', 3rd coupling end-23', pressing plate-3', spring-4', connecting rod-5', first connecting rod-51', second connecting rod-52', fixed support-6', bolt-7', valve body-1, valve body body-11, rear axle braking liquid import-111, adjustment of oil pressure chamber-112, braking liquid outlet-113, pilot pin-114, pressure spring-115, by-pass prot-116, front axle brake liquid passage-117, push rod-118, by-pass prot sealing block-1181, coordinate section-1182, closed end-1182a, abutting end-1182b, push rod seal circle-1182c, spring section-1183, push rod spring-119, sealing base-120, front axle brake liquid import-1201, pedestal seal ring-1202, front axle brake liquid cushion chamber-121, connection bracket-2, pressing plate-3, spring-4, connecting rod-5.
Detailed description of the invention
For enabling above-mentioned purpose, the feature and advantage of invention more become apparent, below the specific embodiment of the present invention is described in detail.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
As shown in Figures 4 to 7, the present invention first proposed a kind of load sensing valve valve body 1, it comprises valve body body 11, described valve body body 11 comprise be communicated with in turn rear axle braking liquid import 111, adjustment of oil pressure chamber 112 and braking liquid outlet 113, described valve body body 11 also comprise can be communicated with described rear axle braking liquid import 111 and described braking liquid outlet 113 by-pass prot 116;
When current axis braking force does not weaken, described by-pass prot 116 is closed, and described rear axle braking liquid import 111 is not communicated with described braking liquid outlet 113;
When current axis braking force weakens, described by-pass prot 116 is opened, and described rear axle braking liquid import 111 is connected with described braking liquid outlet 113.
Those skilled in the art can easily expect, the mode that above-mentioned by-pass prot 116 is communicated with rear axle braking liquid import 111 and braking liquid outlet 113 can have multiple, such as, front axle braking force induction installation is set in front axle brake system, and the device can closing or open by-pass prot 116 is set in by-pass prot 116.
When the front axle braking force that car load ECU (electronic control unit) detects in front axle brake system keeps normal stabilized conditions, by-pass prot 116 is closed, rear axle braking liquid flows through rear axle braking liquid import 111, adjustment of oil pressure chamber 112 and braking liquid outlet 113 successively, enter in rear axle brake system, rear axle braking liquid in adjustment of oil pressure chamber 112 through the decay of pilot pin 114 and pressure spring 115, to ensure the braking equilibrium of forces of car load;
When the front axle braking force that car load ECU (electronic control unit) detects in front axle brake system weakens, send the signal opening by-pass prot 116, because the pressure in adjustment of oil pressure chamber 112 is larger, now rear axle braking liquid directly flows to braking liquid outlet 113 from rear axle braking liquid import 111, the oil pressure of rear axle braking liquid can not weaken, and effectively can ensure the braking force of car load.
Certainly, it should be apparent to those skilled in the art that, to open or the signal of closed by-pass prot 116 also can directly send to from front axle braking force induction installation the device can closing or open by-pass prot 116, to realize the opening or close along with front axle brake masterpiece adjusts accordingly of by-pass prot 116.
Load sensing valve valve body 1 provided by the invention is when front axle braking force weakens, by-pass prot 116 is opened, rear axle braking liquid directly flows to braking liquid outlet 113 from rear axle braking liquid import 111, rear axle braking liquid does not enter adjustment of oil pressure chamber 112 thus the oil pressure of rear axle braking liquid does not weaken, ensure that the braking force of car load, improve ride safety of automobile.
In a preferred embodiment of the invention, described valve body body 11 also comprises front axle brake liquid passage 117;
Described by-pass prot 116 can be communicated with described rear axle braking liquid import 111, described braking liquid outlet 113 and described front axle brake liquid passage 117;
Push rod 118 is provided with in described front axle brake liquid passage 117, described push rod 118 and described front axle brake liquid passage 117 bearing fit, close to make described push rod 118 or open described by-pass prot 116 (namely push rod 118 can slide in front axle brake liquid passage 117, makes push rod 118 to enter or to exit by-pass prot 116);
When current axis braking force does not weaken, described push rod 118 closes described by-pass prot 116, is not communicated with described braking liquid outlet 113 to make described rear axle braking liquid import 111;
When current axis braking force weakens, described push rod 118 opens described by-pass prot 116, is connected with described braking liquid outlet 113 to make described rear axle braking liquid import 111.
Under automobile normal working, front axle braking force is normal, oil pressure now in front axle brake pipeline is normal, front axle brake liquid enters in front axle brake liquid passage 116, due to the effect of the oil pressure of front axle brake liquid, push rod 118 is pushed to by-pass prot 116 by front axle brake liquid in front axle brake liquid passage 117, enters by-pass prot 116 and by-pass prot 116 is closed.Rear axle braking liquid flows through rear axle braking liquid import 111, adjustment of oil pressure chamber 112 and braking liquid outlet 113 successively, enter in rear axle brake system, rear axle braking liquid in adjustment of oil pressure chamber 112 through the decay of pilot pin 114 and pressure spring 115, to ensure the braking equilibrium of forces of car load.
When the problem that the front axle brake pipeline of automobile starts a leak, front axle braking force weakens, oil pressure now in front axle brake pipeline declines, the oil pressure entering the front axle brake liquid of front axle brake liquid passage 116 is not enough to push rod 118 is fully pushed by-pass prot 116 and by-pass prot 116 is closed, and by-pass prot 116 is opened.Because the pressure in adjustment of oil pressure chamber 112 is larger, now rear axle braking liquid directly flows to braking liquid outlet 113 from rear axle braking liquid import 111, the oil pressure of rear axle braking liquid can not weaken, and when the oil pressure of front braking liquid weakens or loses, effectively ensures the braking force of car load.
In this embodiment, load sensing valve valve body 1 passes through the setting of front axle brake liquid passage 117 and by-pass prot 116, when front axle braking force is weakened, push rod 118 can open by-pass prot 116, rear axle braking liquid directly flows to braking liquid outlet 113 from rear axle braking liquid import 111, cause braking oil pressure to weaken to avoid rear axle braking liquid to enter adjustment of oil pressure chamber 112, thus ensure that the braking force of car load, improve ride safety of automobile.
In order to close by-pass prot 116 better, described push rod 118 is provided with the by-pass prot sealing block 1181 for closing described by-pass prot 116 near one end of described by-pass prot 116.The material of by-pass prot sealing block 1181 can be the flexible materials such as rubber, to reach sealing effect better.
In order to make push rod 118 when front axle braking force goes wrong, the slip of push rod in front axle brake liquid passage 117 is controlled, described push rod 118 comprises the contiguous cooperation section 1182 of described by-pass prot 116 and the spring section 1183 away from described by-pass prot 116, described cooperation section 1182 and described front axle brake liquid passage 117 bearing fit, described spring section 1183 is provided with push rod spring 119.When the oil pressure of current axis braking liquid weakens or loses, push rod 118 moves to the direction away from by-pass prot 116, this motion needs the elastic force overcoming push rod spring 119, it should be apparent to those skilled in the art that, select different push rod springs 119 can control the slip of push rod 118 in front axle brake liquid passage 117, thus control the braking potential of rear axle brake system, such setting also helps avoids push rod 118 to exit by-pass prot 116 too rapidly, causes damage to push rod 118, front axle brake liquid passage 117 and valve body body 11.
Further; in order to better protect push rod 118 and front axle brake liquid passage 117; and better by front axle brake liquid and the isolation of rear axle braking liquid; described cooperation section 1182 comprises closed end 1182a and abutting end 1182b; the radial dimension of described closed end 1182a is less than the radial dimension of described abutting end 1182b; described abutting end 1182b and described front axle brake liquid passage 117 bearing fit, and described abutting end 1182b is provided with push rod seal circle 1182c.
In another preferred embodiment of the invention, described front axle brake liquid passage 117 is provided with the sealing base 120 with described front axle brake liquid passage 117 interference fit away from the side of described by-pass prot 116, described sealing base 120 is provided with front axle brake liquid import 1201, like this, front axle brake liquid flows through front axle brake liquid import 1201 and front axle brake liquid passage 117 successively when entering valve body body 11, front axle brake liquid can be avoided to enter front axle brake liquid passage 117 too quickly, thus ensure that the normal use of push rod 118.
In order to ensure the leak tightness between sealing base 120 and front axle brake liquid passage 117, avoiding front axle brake liquid to flow out in valve body body 11, between described sealing base 120 and described front axle brake liquid passage 117, being provided with pedestal seal ring 1202.
Front axle brake liquid passage 117 is entered too quickly in order to better avoid front axle brake liquid, also be provided with front axle brake liquid cushion chamber 121 between described sealing base 120 and described push rod 118, this front axle brake liquid cushion chamber 121 is conducive to cushioning the front axle brake liquid entering front axle brake liquid passage 117 from front axle brake liquid import 1201.
As shown in Figure 8, present invention also offers a kind of load sensing valve, it comprises above-mentioned load sensing valve valve body 1.
Load sensing valve provided by the invention not only can realize the function that load sensing valve adjusts rear axle braking force, when front axle braking force goes wrong, can also regulate and control the braking force of car load.
Particularly, load sensing valve is connected with vehicle frame with back axle, when the load of car load changes, frame distortion, drivening rod 5 moves, and then drive connection bracket 2 to move, connection bracket 2 rotates around the point of connection of itself and valve body 1, now there is deformation in spring 4, pressing plate 3 moves along the axial direction of pilot pin 114, pilot pin 114 slides in adjustment of oil pressure chamber 112, the slip of pilot pin 114 makes the length of pressure spring 115 change, thus the adjusting range of the pressure of pilot pin 114 and pressure spring 115 pairs of rear axle brakings liquid changes, the rear axle braking liquid output oil pressure of load sensing valve also changes thereupon.
When current axis braking force weakens, by-pass prot 116 is opened, and rear axle braking liquid directly flows to braking liquid outlet 113 from rear axle braking liquid import 111, and the oil pressure of rear axle braking liquid can not weaken, and effectively can ensure the braking force of car load.
Although the present invention is described in conjunction with above embodiment, but the present invention is not defined to above-described embodiment, and only by the restriction of claims, those of ordinary skill in the art can easily modify to it and change, but do not leave essential idea of the present invention and scope.
Claims (9)
1. a load sensing valve valve body, comprise valve body body, described valve body body comprise be communicated with in turn the import of rear axle braking liquid, adjustment of oil pressure chamber and braking liquid outlet, it is characterized in that, described valve body body also comprise can be communicated with the import of described rear axle braking liquid and described braking liquid outlet by-pass prot;
When current axis braking force does not weaken, described by-pass prot is closed, and the import of described rear axle braking liquid is not communicated with described braking liquid outlet;
When current axis braking force weakens, described by-pass prot is opened, and the import of described rear axle braking liquid is connected with described braking liquid outlet.
2. load sensing valve valve body according to claim 1, is characterized in that, described valve body body also comprises front axle brake liquid passage;
Described by-pass prot can be communicated with the import of described rear axle braking liquid, the outlet of described braking liquid and described front axle brake liquid passage;
Be provided with push rod in described front axle brake liquid passage, described push rod and described front axle brake liquid passage bearing fit, close to make described push rod or open described by-pass prot;
When current axis braking force does not weaken, described push rod closes described by-pass prot, is not communicated with described braking liquid outlet to make the import of described rear axle braking liquid;
When current axis braking force weakens, described push rod opens described by-pass prot, is connected with described braking liquid outlet to make the import of described rear axle braking liquid.
3. load sensing valve valve body according to claim 2, is characterized in that, described push rod is provided with the by-pass prot sealing block for closing described by-pass prot near one end of described by-pass prot.
4. load sensing valve valve body according to claim 2, it is characterized in that, described push rod comprises the contiguous cooperation section of described by-pass prot and the spring section away from described by-pass prot, and described cooperation section and described front axle brake liquid passage bearing fit, described spring section is provided with push rod spring.
5. load sensing valve valve body according to claim 4, it is characterized in that, described cooperation section comprises closed end and abutting end, the radial dimension of described closed end is less than the radial dimension of described abutting end, described abutting end and described front axle brake liquid passage bearing fit, and described abutting end is provided with push rod seal circle.
6. load sensing valve valve body according to claim 2, it is characterized in that, described front axle brake liquid passage is provided with the sealing base with described front axle brake liquid passage interference fit away from the side of described by-pass prot, described sealing base is provided with the import of front axle brake liquid.
7. load sensing valve valve body according to claim 6, is characterized in that, is provided with pedestal seal ring between described sealing base and described front axle brake liquid passage.
8. load sensing valve valve body according to claim 6, is characterized in that, is also provided with front axle brake liquid cushion chamber between described sealing base and described push rod.
9. a load sensing valve, is characterized in that, comprises the load sensing valve valve body described in any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208202.XA CN104773149B (en) | 2015-04-28 | 2015-04-28 | A kind of SABS valve body and SABS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208202.XA CN104773149B (en) | 2015-04-28 | 2015-04-28 | A kind of SABS valve body and SABS |
Publications (2)
| Publication Number | Publication Date |
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| CN104773149A true CN104773149A (en) | 2015-07-15 |
| CN104773149B CN104773149B (en) | 2017-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510208202.XA Active CN104773149B (en) | 2015-04-28 | 2015-04-28 | A kind of SABS valve body and SABS |
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| CN (1) | CN104773149B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07267062A (en) * | 1994-03-31 | 1995-10-17 | Mitsubishi Motors Corp | Load sensing proportioning valve |
| CN1149023A (en) * | 1995-08-30 | 1997-05-07 | 自动车机器株式会社 | Load sensing proportioning valve |
| JPH09193764A (en) * | 1996-01-19 | 1997-07-29 | Jidosha Kiki Co Ltd | Load response type braking liquid pressure control device |
| CN2619846Y (en) * | 2003-05-07 | 2004-06-09 | 陈利祥 | Load sensing proportional valve assembly |
| CN201907494U (en) * | 2010-12-29 | 2011-07-27 | 东风汽车股份有限公司 | Hydraulic load sensing valve device capable of being safely controlled |
| CN204548074U (en) * | 2015-04-28 | 2015-08-12 | 安徽江淮汽车股份有限公司 | A kind of load sensing valve valve body and load sensing valve |
-
2015
- 2015-04-28 CN CN201510208202.XA patent/CN104773149B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07267062A (en) * | 1994-03-31 | 1995-10-17 | Mitsubishi Motors Corp | Load sensing proportioning valve |
| CN1149023A (en) * | 1995-08-30 | 1997-05-07 | 自动车机器株式会社 | Load sensing proportioning valve |
| JPH09193764A (en) * | 1996-01-19 | 1997-07-29 | Jidosha Kiki Co Ltd | Load response type braking liquid pressure control device |
| CN2619846Y (en) * | 2003-05-07 | 2004-06-09 | 陈利祥 | Load sensing proportional valve assembly |
| CN201907494U (en) * | 2010-12-29 | 2011-07-27 | 东风汽车股份有限公司 | Hydraulic load sensing valve device capable of being safely controlled |
| CN204548074U (en) * | 2015-04-28 | 2015-08-12 | 安徽江淮汽车股份有限公司 | A kind of load sensing valve valve body and load sensing valve |
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| Publication number | Publication date |
|---|---|
| CN104773149B (en) | 2017-07-04 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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Effective date of registration: 20210518 Address after: 629000 Auto Parts Industrial Park, Anju District, Suining City, Sichuan Province Patentee after: SICHUAN JIANGHUAI AUTOMOBILE Co.,Ltd. Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Patentee before: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. |
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