CN207000446U - A kind of multi-functional anti-ponding brake valve for trailer - Google Patents
A kind of multi-functional anti-ponding brake valve for trailer Download PDFInfo
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- CN207000446U CN207000446U CN201720656986.7U CN201720656986U CN207000446U CN 207000446 U CN207000446 U CN 207000446U CN 201720656986 U CN201720656986 U CN 201720656986U CN 207000446 U CN207000446 U CN 207000446U
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- ponding
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Abstract
It the utility model is related to field of automobile control, disclose a kind of multi-functional anti-ponding brake valve for trailer, the intake and exhaust port of the valve body of brake valve (10) is provided with control device (2), control device (2) includes valve body (27), valve pocket one (21) is provided with inside valve body (27), main valve plug (24) is provided with valve pocket one (21), main valve plug (24) carries out spacing by the gag lever post (26) through main valve plug.The utility model can not only carry out arranging in use the function of ponding to brake valve inside, and the response speed of brake valve can be adjusted.In actual use, in order that control is more stable, prevent because pressure is excessive to brake valve locking, the utility model is controlled to admission pressure, in order to ensure the stability of admission pressure, the utility model is provided with unloading valve, and stability contorting is carried out to entering the compressed air inside brake valve.
Description
Technical field
It the utility model is related to field of automobile control, more particularly to a kind of multi-functional anti-ponding braking for trailer
Valve.
Background technology
It is increasingly busy recently as the fast development of national economy and modern industry, road transport.With modernization base
The construction of plinth road, the scope of forwarding are constantly expanded, and the transport in remote highlands is also increasing.And in order to increase
Freight volume, the length of semitrailer are continuously increased, in order that vehicle safety efficiently transports and reduces accident rate, to haulage vehicle
Brakes proposes requirements at the higher level.
Brake valve of the prior art mostly uses enclosed construction, exist always for a long time it is internal to water problems, it is necessary to
Irregularly brake valve is carried out to take the internal ponding of removing apart.Particularly when vehicle low temperature, or during across dimension operation in the winter time, hold
Easily freezing causes vehicle not run.And the compressed air pressure for entering valve inner can not be adjusted, it is impossible to according to
Different needs, the reaction time of brake valve is adjusted.
Chinese patent CN102358279B, " anti-ponding trailer braking valve ", have it is simple in construction, using effect well wait spy
Point.But the anti-ponding trailer braking valve simultaneously in patent, in actual use, have the following disadvantages：
1st, when the compressed air of air inlet is acted on valve element, valve element needs to move down certain distance could be to brake valve sheet
Body carries out operation, and under different environment, the movement travel of valve element is all identical, it is impossible to according to vehicle in actual use
The response speed needed is adjusted, and causes in advance or is delayed.
2nd, admission pressure can not be adjusted, when compressed air shakiness, it is impossible to which brake valve is protected.
When the 3rd, in emergency circumstances, there is breakage in the pipeline of air inlet, when the compressed air of air inlet reduces or is zero, no
Can be to carrying out this braking operation, traditional brake hard can impact to the tire of vehicle.
4th, the valve core structure of anti-ponding trailer braking valve, when being exhausted, some water is understood in accumulation over time
Divide and drop into valve element bottom, influenceed to brake band, and larger noise occurs in exhaust.
Utility model content
The utility model is directed to deficiency of the prior art, and the technical problems to be solved in the utility model is：It can provide
It is a kind of the response time of brake valve to be adjusted according to different load, stability contorting can be carried out to admission pressure
, the anti-ponding trailer braking valve with emergency capability.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
A kind of multi-functional anti-ponding brake valve for trailer, the intake and exhaust port of valve body are provided with control device, wherein
Control device includes valve body, and valve inner is provided with valve pocket one, and the depth of valve pocket one is 20~400mm, on the inwall of valve pocket one
Provided with air inlet, exhaust outlet one and connector, main valve plug is provided with valve pocket one, is set between main valve plug lower surface and the bottom of valve pocket one
There is spring one, the upper and lower end parts of main valve plug contact with the inner wall sealing of valve pocket one, and main valve plug mid diameter is less than above and below main valve plug
End diameter, the gag lever post of main valve plug is provided through on main valve plug, and the lower end of gag lever post passes through the bottom surface of valve pocket one, works as main valve
Core is being contradicted when on gag lever post in the presence of spring one, and connector communicates with exhaust outlet one, and air inlet is connected with regulator,
Regulator includes pressure regulating cavity, and spring two is provided with pressure regulating cavity, and one end and the piston two of spring two are connected, the other end and pressure regulation
Knob is connected, and inlet channel is connected between air inlet and the side wall of pressure regulating cavity, when pressure-air enters pressure regulating cavity by air inlet
It is interior, promote piston two to move, gases at high pressure is entered the upper end of main valve plug, promote main valve plug to move down, make air inlet and connector
Communicate.
Preferably, the upper end of main valve plug is provided with counterbore, the bottom surface of counterbore is provided with the through hole for extending through main valve plug bottom, limit
Position bar includes the limit plunger at top and the guide rod of bottom, and guide rod is inserted in through-holes, and limit plunger is fallen within counterbore.So as to master
The position of valve element is defined, and the distance between valve element upper surface and connector are adjusted.
Preferably, lower end of the guide rod is provided with screw thread, guide rod coordinates with body base screw thread, so as to carry out upper downward to guide rod
It is whole, the position of main valve plug is adjusted indirectly.
Preferably, the end that guide rod stretches out valve body is provided with adjusting knob, the regulation being convenient for people to, adjusting knob can be
Section is the prism of hexagon or quadrangle.
Preferably, the valve pocket one on main valve plug top is valve pocket two, air inlet four, valve pocket two are provided with the side wall of valve pocket two
Side wall be provided with unloading valve, unloading valve includes the spring four being located in valve pocket four, and one end of spring four is contradicted in adjusting knob
On four, the other end is contradicted on valve element four, exhaust outlet four is provided with the side wall of valve pocket four, valve element four supports in the presence of spring four
The air inlet four opened up on valve pocket two is touched, when the pressure in valve pocket two is more than the pressure of spring four, then unnecessary pressure can be from
Exhaust outlet four is discharged, so as to the pressure in stable control valve pocket two.
Preferably, the valve pocket one on main valve plug top is valve pocket two, the side wall of valve pocket two is provided with air inlet two, air inlet
Two are connected with brake hard, so as in case of emergency carry out brake hard.
Preferably, the valve pocket one on main valve plug top is valve pocket two, the side wall of valve pocket two is provided with pressure gauge, so as to
Clearly admission pressure is defined.
Preferably, being provided with deep gouge on the end face that pressure regulating cavity contacts with piston two, piston two is provided with bulge loop, and piston two exists
In the presence of the pulling force of spring two, bulge loop is fallen within deep gouge, so that piston two and pressure regulating cavity cooperation are closer.
Preferably, filter cotton is provided with the outside of the middle part of main valve plug, so as to ensure the cleaning drying inside valve pocket one.
Technological means more than, the utility model have following obvious beneficial effect：
The utility model can not only carry out arranging the function of ponding to brake valve inside, and can be to the response of brake valve
Speed is adjusted.In actual use, in order that control is more stable, prevent because pressure is excessive to brake valve locking,
The utility model is controlled to admission pressure, and in order to ensure the stability of admission pressure, the utility model is provided with unloading valve,
Stability contorting is carried out to entering the compressed air inside brake valve.And the utility model is in actual use, valve pocket
Filter cotton is internally provided with, the cleaning drying inside valve pocket one can be ensured.
Brief description of the drawings
Fig. 1 is control device schematic diagram of the present utility model；
Fig. 2 is Fig. 1 partial enlarged drawing；
Fig. 3 is Fig. 2 partial enlarged drawing；
Fig. 4 is Fig. 1 partial enlarged drawing；
Fig. 5 is the structural representation of main valve plug；
Fig. 6 is the structural representation of gag lever post.
The toponym that each number designation is referred in accompanying drawing is as follows：2-control device, 27-valve body, 21-valve pocket one,
28-air inlet one, 22-exhaust outlet one, 23-connector, 24-main valve plug, 25-spring one, 26-gag lever post, 3-pressure regulation
Device, 31-pressure regulating cavity, 32-spring two, 33-piston two, 34-adjusting pressuring knob, 35-inlet channel, 241-counterbore,
242-through hole, 261-limit plunger, 262-guide rod, 2621-adjusting knob, 211-valve pocket two, 46 1 air inlets four, 4 one unload
Lotus valve, 41 1 valve pockets four, 42 1 springs four, 43 1 adjusting knobs, 44 1 valve elements four, 45 1 exhaust outlets four, 5 one air inlets two, 6
One pressure gauge, 311 1 deep gouges, 31-bulge loop, 29-filter cotton, 101-insulation material.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of multi-functional anti-ponding brake valve for trailer, the intake and exhaust port of valve body 1 is provided with control
Device 2 processed, wherein control device 2 include valve body 27, and the inside of valve body 27 is provided with valve pocket 1, and the depth of valve pocket 1 is 20~
400mm, the inwall of valve pocket 1 are provided with air inlet 28, exhaust outlet 1 and connector 23, main valve plug are provided with valve pocket 1
24, spring 1, upper and lower end parts and the valve pocket one of main valve plug 24 are provided between the lower surface 241 of main valve plug 24 and the bottom of valve pocket 1
21 inner wall sealing contact, the mid diameter of main valve plug 24 are less than the upper and lower end parts diameter of main valve plug 24, are provided with and wear on main valve plug 22
The gag lever post 26 of main valve plug 22 is crossed, the lower end of gag lever post 26 passes through the bottom surface of valve pocket 1, when main valve plug 22 is in spring 1
Effect is lower to be contradicted when on gag lever post 26, and connector 23 communicates with exhaust outlet 1, and air inlet 28 is connected with regulator 3, adjusts
Pressure device 3 includes pressure regulating cavity 31, and spring 2 32 is provided with pressure regulating cavity 31, and one end and the piston 2 33 of spring 2 32 are connected, separately
One end is connected with adjusting pressuring knob 34, inlet channel 35 is connected between the side wall of air inlet 28 and pressure regulating cavity 31, when pressure-air leads to
Cross air inlet 28 to enter in pressure regulating cavity 31, promote piston 2 33 to move, gases at high pressure is entered the upper end of main valve plug 24, promote master
Valve element 24 moves down, and air inlet 28 is communicated with connector 23.
As shown in Figures 2 to 6, in order to which the initial position of main valve plug 24 is adjusted, by existing to gag lever post 26
The position of valve pocket 1 is adjusted, so as to which the position of main valve plug 24 be adjusted.The upper surface of main valve plug 24 is provided with counterbore
241, the cross section of counterbore 241 is circle, and the bottom end face of counterbore 241 is provided with the through hole 242 for extending through the bottom of main valve plug 24, is led to
The cross section of hole 242 is the central coaxial line of circle, through hole 242 and counterbore 241.The gag lever post 26 coordinated with it includes top with sinking
The limit plunger 261 that hole 241 coordinates, be fixed on the bottom of limit plunger 261 passes through the bottom of valve body 1, valve for guide rod 262, guide rod 262
The bottom of body 1 offers screwed hole, and guide rod 262, which is got on the bus, screw thread, and guide rod 262 coordinates with the bottom thread of valve body 1.On guide rod 262
Provided with sealing ring.For the ease of regulation, the bottom of guide rod 262 is provided with adjusting knob 2621.
As shown in Figure 1 and Figure 4, in order to ensure to enter the gas pressure stabilization in valve pocket 1, first by the top of main valve plug 24
Valve pocket 1 be defined as valve pocket 2 211, the side wall of valve pocket 2 211 is provided with unloading valve 4, and unloading valve 4 includes being located at valve pocket four
Spring 4 42 in 41, one end of spring 4 42 are contradicted on adjusting knob 4 43, and the other end is contradicted on valve element 4 44, valve pocket
Exhaust outlet 4 45 is provided with 4 41 side wall, when valve pocket 2 211 pressure be more than spring 4 42 pressure when, unnecessary pressure from
Exhaust outlet 4 45 is discharged, so as to ensure the pressure in valve pocket 2 211 for stable value.
As shown in figure 1, in order to realize the second protection of brake hard, the side wall of valve pocket 2 211 is provided with air inlet 25,
Air inlet 25 is connected with emergency brake, when damaged or fracture occurs in the air inlet pipeline of air inlet 1, starts urgent system
Dynamic, compressed air enters brake valve 10 from air inlet 25 and completes last time braking maneuver.Actual use process in order to
Accurately regulation air inlet 1 enters the pressure of valve pocket 1, then the side wall of valve pocket 2 211 is provided with pressure gauge 6, so as to
Enough accurately control reaches the pressure in brake valve 10.
As shown in Figures 2 and 3, in order to realize even closer sealing, the upper and lower end parts of main valve plug 24 and the side of valve pocket 1
Wall is provided with sealing ring, and sealing ring also is provided between guide rod 262 and through hole 242.In order to ensure piston 2 33 and pressure regulating cavity 31
Seal, be provided with deep gouge 311 on the end face that pressure regulating cavity 31 contacts with piston 2 33, piston 2 33 is provided with bulge loop 331, piston 2 33
In the presence of the pulling force of spring 2 32, bulge loop 331 is fallen within deep gouge 311, and deep gouge 311 is annular deep gouge, and bulge loop 331 is also ring
Shape bulge loop.
As shown in figure 1, in actual use, in order to protect the cleaning and drying in valve pocket 1, in main valve plug 24
Middle part outside be provided with filter cotton 29, so as to prevent accumulated impurity and moisture in valve pocket 1.
The utility model in actual use, when running normally, according to the load condition of vehicle, adjusts gag lever post
26 position, change the position of main valve plug 24 with this, so as to adjust the reaction time of braking, when the different brake load of needs
When, the piston 2 33 of regulator 3 is adjusted so as to adjust into the pressure in valve pocket 1, then adjusts the bullet in unloading valve 4
Spring 4 42, so as to make the pressure stability entered in valve pocket 2 211.When normal vehicle operation, connector 23 and exhaust outlet
One 22 communicate, and so as to ensure that exhaust outlet 1 communicates with the external world, are advantageous to distributing for moisture.
When needing braking, brake gas enters pressure regulating cavity 31 from air inlet 1 by inlet channel 35, so as to open
Piston 2 33 makes gas enter in valve pocket 2 211, promotes main valve plug 24 to move down, valve pocket 2 211 is communicated with connector 23, make pressure
Contracting air enters in brake valve 10, carries out braking maneuver.
When removing braking, inlet pressure gradually reduces, and main valve plug 24 in the presence of spring 1 push up upwards by motion
In the limit plunger 261 of gag lever post 26, so as to which the gas in brake valve 10 discharges brake valve by exhaust outlet 1, discharge simultaneously
The moisture of carrying.In order to adapt to intemperance situation, the outside of brake valve 10 is coated with insulation material 101.
When the emergencies such as breakage occurs in air inlet pipeline, urgent parking brake is pulled, compressed air enters valve from air inlet 25
Last time brake hard is completed in chamber 2 211, ensures the safety of vehicle.
In a word, preferred embodiment of the present utility model is the foregoing is only, it is all according to present utility model application the scope of the claims institute
The equivalent changes and modifications of work, it should all belong to the covering scope of the utility model patent.
Claims (9)
1. a kind of multi-functional anti-ponding brake valve for trailer, the intake and exhaust port of the valve body of brake valve (10) is provided with control
Device (2), it is characterised in that：Control device (2) includes valve body (27), and valve pocket one (21), valve pocket are provided with inside valve body (27)
The depth of one (21) is 20~400mm, and the inwall of valve pocket one (21) is provided with air inlet one (28), exhaust outlet one (22) and connection
Mouth (23), valve pocket one (21) is interior to be provided with main valve plug (24), and bullet is provided between main valve plug (24) lower surface and valve pocket one (21) bottom
Spring one (25), the upper and lower end parts of main valve plug (24) contact with the inner wall sealing of valve pocket one (21), and main valve plug (24) mid diameter is small
In the gag lever post (26) that main valve plug (24) are provided through on main valve plug (24) upper and lower end parts diameter, main valve plug (24), gag lever post
(26) lower end passes through the bottom surface of valve pocket one (21), when main valve plug (24) is contradicted in gag lever post in the presence of spring one (25)
(26) when on, connector (23) communicates with exhaust outlet one (22), and air inlet one (28) is connected with regulator (3), regulator
(3) include pressure regulating cavity (31), spring two (32) is provided with pressure regulating cavity (31), one end of spring two (32) and piston two (33) are solid
Even, the other end is connected with adjusting pressuring knob (34), and inlet channel is connected between the side wall of air inlet one (28) and pressure regulating cavity (31)
(35), when pressure-air is entered in pressure regulating cavity (31) by air inlet one (28), promotion piston two (33) moves, and makes gases at high pressure
Into the upper end of main valve plug (24), promote main valve plug (24) to move down, air inlet one (28) is communicated with connector (23).
A kind of 2. multi-functional anti-ponding brake valve for trailer according to claim 1, it is characterised in that：Main valve plug
(24) upper end is provided with counterbore (241), and the bottom surface of counterbore (241) is provided with the through hole (242) for extending through main valve plug (24) bottom, limit
Position bar (26) includes the limit plunger (261) at top and the guide rod (262) of bottom, and guide rod (262) is inserted in through hole (242), limits
Position plug (261) is fallen within counterbore (241).
A kind of 3. multi-functional anti-ponding brake valve for trailer according to claim 2, it is characterised in that：Guide rod
(262) lower end is provided with screw thread, and guide rod (262) coordinates with valve body (27) bottom thread.
A kind of 4. multi-functional anti-ponding brake valve for trailer according to claim 3, it is characterised in that：Guide rod
(262) end for stretching out valve body (27) is provided with adjusting knob (2621).
A kind of 5. multi-functional anti-ponding brake valve for trailer according to claim 1, it is characterised in that：Main valve plug
(24) valve pocket one (21) on top is valve pocket two (211), and air inlet four (46), valve pocket two are provided with the side wall of valve pocket two (211)
(211) side wall is provided with unloading valve (4), and unloading valve (4) includes the spring four (42) being located in valve pocket four (41), spring four
(42) one end is contradicted on adjusting knob four (43), and the other end is contradicted on valve element four (44), in the side wall of valve pocket four (41)
Exhaust outlet four (45) is provided with, valve element four (44) contradicts the air inlet opened up on valve pocket two (211) in the presence of spring four (42)
Four (46) of mouth, when the pressure in valve pocket two (211) is more than the pressure of spring four (42), then unnecessary pressure can be from exhaust outlet four
(45) discharge.
A kind of 6. multi-functional anti-ponding brake valve for trailer according to claim 1, it is characterised in that：Main valve plug
(24) valve pocket one (21) on top is valve pocket two (211), and the side wall of valve pocket two (211) is provided with air inlet two (5).
A kind of 7. multi-functional anti-ponding brake valve for trailer according to claim 1, it is characterised in that：Main valve plug
(24) valve pocket one (21) on top is valve pocket two (211), and the side wall of valve pocket two (211) is provided with pressure gauge (6).
A kind of 8. multi-functional anti-ponding brake valve for trailer according to claim 1, it is characterised in that：Pressure regulating cavity
(31) deep gouge (311) is provided with the end face contacted with piston two (33), piston two (33) is provided with bulge loop (331), piston two
(33) in the presence of spring two (32) pulling force, bulge loop (331) is fallen within deep gouge (311).
A kind of 9. multi-functional anti-ponding brake valve for trailer according to claim 1, it is characterised in that：Main valve plug
(24) filter cotton (29) is provided with the outside of middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720656986.7U CN207000446U (en) | 2017-06-07 | 2017-06-07 | A kind of multi-functional anti-ponding brake valve for trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720656986.7U CN207000446U (en) | 2017-06-07 | 2017-06-07 | A kind of multi-functional anti-ponding brake valve for trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207000446U true CN207000446U (en) | 2018-02-13 |
Family
ID=61446083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720656986.7U Active CN207000446U (en) | 2017-06-07 | 2017-06-07 | A kind of multi-functional anti-ponding brake valve for trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207000446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585154A (en) * | 2017-06-07 | 2018-01-16 | 浙江科力车辆控制系统有限公司 | A kind of multi-functional anti-ponding brake valve for trailer |
| WO2019219561A1 (en) * | 2018-05-17 | 2019-11-21 | Wabco Gmbh | Valve assembly as a park-release valve for a trailer vehicle |
-
2017
- 2017-06-07 CN CN201720656986.7U patent/CN207000446U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585154A (en) * | 2017-06-07 | 2018-01-16 | 浙江科力车辆控制系统有限公司 | A kind of multi-functional anti-ponding brake valve for trailer |
| WO2019219561A1 (en) * | 2018-05-17 | 2019-11-21 | Wabco Gmbh | Valve assembly as a park-release valve for a trailer vehicle |
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