CN109466529A - Agricultural traction engine trailer diaphragm type air brake valve device - Google Patents
Agricultural traction engine trailer diaphragm type air brake valve device Download PDFInfo
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- CN109466529A CN109466529A CN201811544840.9A CN201811544840A CN109466529A CN 109466529 A CN109466529 A CN 109466529A CN 201811544840 A CN201811544840 A CN 201811544840A CN 109466529 A CN109466529 A CN 109466529A
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- 238000007789 sealing Methods 0.000 claims abstract description 105
- 238000009434 installation Methods 0.000 claims description 34
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000000916 dilatatory effect Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000036316 preload Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- 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
-
- 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
Abstract
Agricultural traction engine trailer diaphragm type air brake valve device, comprising: upper casing body device, braking diaphragm device, lower casing body device, Brake lamp device；The upper housing of upper casing body device is connect with the upper end of the lower case of lower casing body device；Upper housing and lower case are locked；Upper housing lower end surface and lower case upper surface are in sealing contact；Braking diaphragm device is mounted on inside upper casing body device and lower casing body device；Brake lamp device is connect with lower case, and is arranged vertically in same level with air brake valve outlet plug screw and second pressure sensor device；Brake lamp device and the first limiting valve body are arranged in diaphragm type air brake valve device two sides；Second pressure sensor device and air brake valve outlet plug screw are arranged in diaphragm type air brake valve device two sides；First pressure sensor device and the second limiting valve body are arranged in diaphragm type air brake valve device two sides.The present apparatus is compact-sized, good seal performance, and static characteristic and dynamic characteristic performance are effectively improved.
Description
Technical field
The invention belongs to agricultural traction engine fields, are related to a kind of agricultural traction engine trailer air brake valve device, more particularly to
A kind of agricultural traction engine trailer diaphragm type air brake valve device.
Background technique
Currently, the agricultural traction engine trailer braking protection valve system produced both at home and abroad, is mostly manual machine braking system or Manual hydraulic
Braking system, driver's large labor intensity in braking, is easy fatigue；Small part uses straight air brake system.The present inventor was in 2013 2
Patent of invention " Air brake valve for trailer of tractor 201310050637.7 " and the utility model applied on the same day are special filed in the moon 16
Sharp " Air brake valve for trailer of tractor 201320072580.6 " is using piston spring formula air brake valve.Its shortcoming is such as
Under: after assembling parts are inserted into connecting plate at air brake valve device and by air brake valve device, then when being mounted on tractor, dress
It is still more complicated with technique；Push rod is only a part, cannot to balancing spring assembly pretightning force although being simple to manufacture
It adjusts, therefore minimum equilibrium air pressure is larger, so that trackability range becomes smaller；Exhaust noise is bigger；Because using O-ring seals
Dynamic sealing is carried out, so sealing performance is restricted by the processing quality, assembling quality and use environment of contact surface, sealing performance is not
It is ideal；Cathode stud and the assembly of negative spring piece in braking light switch assembly, manufacturing process are complicated；High pressure gas input cavity and
High pressure gas output cavity is not provided with pressure sensor, and control precision is not high；High pressure gas input cavity and high pressure gas output cavity
It is not provided with pressure and limits valve, air brake valve poor stop.Patent of invention filed in the present inventor on December 12nd, 2014
" three-wheeled motor car air brake valve 201410758529.X " and utility model patent " the three-wheeled motor car air brake valve applied on the same day
201420779536.3 " using diagraph spring pneumatic brake valve.Its shortcoming is as follows: by assembling parts at air brake valve
Device and when being mounted on air brake valve device on three-wheeled motor car, assembly technology is still more complicated；Only one balancing spring,
Although push rod and pre-tightening apparatus assembly have pretightning force regulatory function, the minimum equilibrium air pressure that obtains or bigger, with
Dynamic property range is less big, and braking ability improves undesirable；Brake pedal force reduces undesirable；Because between brake piston uses
Gap sealing, so sealing performance is restricted by the processing quality, assembling quality and use environment of contact surface, sealing performance is paid no attention to
Think；Air-pressure brake lamp switch set assembling technology is complicated；120 ° of bumps of rotation are linked and packed technique after upper cover and lower case compress
It is required that high, leakproofness is undesirable；A part of outer diameter is less than its bottom end outer diameter, intake and exhaust time among intake and exhaust spool lower valve core
Shorten unobvious, the dynamic characteristic performance of air brake valve improves unobvious.
Therefore, develop it is a kind of it is compact-sized, intake and exhaust spool is integrated, connection type is reasonable, dismounting can be fast implemented,
Control the agricultural traction engine trailer diaphragm type air brake valve dress that precision is high, braking ability is good, multiple functional, safe and reliable
It sets, it will be favored by the majority of users.Verification experimental verification, the agricultural traction engine trailer diaphragm type air brake valve device that we develop
Has structurally reasonable, static characteristic and dynamic characteristic is good, control high, the multiple functional, good combination property of precision etc. is excellent when braking
Point is completely suitable on agricultural traction engine air braking system.
Summary of the invention
The purpose of the present invention is to provide a kind of multiple functional, compact-sized, connection types rationally, cost is relatively low, comprehensive
Performance is good, and static characteristic and dynamic characteristic are good, control precision is high, sealing and braking ability are good when braking, convenient for disassembly and assembly and make
With reliable agricultural traction engine trailer diaphragm type air brake valve device.
The technical scheme is that agricultural traction engine trailer diaphragm type air brake valve device, comprising: upper casing body device,
Brake diaphragm device, lower casing body device, Brake lamp device；It is characterized by: upper casing body device pass through it is upper in upper casing body device
The lower thread of shell is connect with the threaded upper ends of the lower case in lower casing body device；Upper housing passes through in lower casing body device
Retaining ring and lower case are locked；Upper housing lower end surface is by braking rubber seal diaphragm and lower case upper surface in diaphragm device
It is in sealing contact；Braking diaphragm device is mounted on inside upper casing body device and lower casing body device；Brake lamp device is mounted on lower case
Outside device, connect by the 5th combination sealing washer in Brake lamp device with lower case, and with the gas in lower casing body device
Second pressure sensor device in brake valve outlet plug screw and lower casing body device is arranged vertically in same level；Brake lamp
The first limiting valve body in device and braking diaphragm device is arranged in agricultural traction engine trailer diaphragm type air brake valve dress
Set two sides；Second pressure sensor device and air brake valve outlet plug screw are arranged in agricultural traction engine trailer diaphragm type gas system
Driving valve device two sides；The second limiting valve body in first pressure sensor device and lower casing body device point in lower casing body device
It is not arranged in agricultural traction engine trailer diaphragm type air brake valve device two sides.
Upper casing body device, comprising: the first shackle, balancing spring pre-tighten screw rod, brake pushrod, star sealing ring, on
Shell, big balancing spring, small balancing spring, third muffler；A screw thread is provided in brake pushrod vertical central lines
Hole；Brake pushrod vertical central lines upper screwed hole pre-tightens screw rod upper section cylindrical body screw thread with balancing spring and matches；Brake pushrod
Upper end is provided with a ring groove in threaded hole；First shackle is mounted in brake pushrod threaded hole ring groove；System
There are two the cylindrical bodies of coaxial different-diameter, upper end cylinder diameter to be less than lower end cylinder diameter for setting outside dynamic push rod；
Brake pushrod upper end is stretched out from upper housing upper end center hole, in brake pushrod lower end cylindrical body upper surface and upper housing inner upper end
Heart hole lower end face contact；Brake pushrod is in sealing contact by star sealing ring and upper housing；Balancing spring pre-tightens screw rod axial line
Upper and lower side is provided with a cylinder blind hole；Balancing spring pre-tightens screw rod lower end cylinder blind hole and matches with small balancing spring outer diameter；
Small balancing spring insertion balancing spring pre-tightens tangent, small balancing spring upper surface and balancing spring on the inside of the cylinder blind hole of screw rod lower end
Pre-tighten the contact of screw rod lower end cylinder blind via bottom end face；On brake piston in small balancing spring lower end surface and braking diaphragm device
Hold the contact of cylindrical hole bottom end face；Balancing spring pre-tightens the vertical cylinder body that three sections of coaxial different-diameters are provided with outside screw rod,
Wherein middle section cylinder diameter is greater than lower section cylinder diameter, and lower section cylinder diameter is greater than upper section cylinder diameter；Equilibrium bomb
Spring pre-tightens and is provided with screw thread on screw rod upper section cylindrical body；Balancing spring pre-tightens screw rod upper section cylindrical body screw thread and brake pushrod screw thread
Hole connection；Balancing spring pre-tightens screw rod upper surface and the first shackle lower end face contact；Balancing spring pre-tightens screw rod lower section circle
Cylinder matches with big balancing spring internal diameter；It is tangent on the inside of the big balancing spring of balancing spring preload screw rod lower section cylindrical body insertion,
Middle section cylindrical body lower end surface and big balancing spring upper end face contact；Braking in big balancing spring lower end surface and braking diaphragm device
The contact of piston upper end ring-shaped cylinder blind via bottom end face；There are two cylindrical hole and a screw threads for setting in upper housing vertical central lines
Blind hole, two cylindrical holes and a tapped blind hole are coaxial, and wherein upper end cylinder bore diameter is less than intermediate cylindrical bore dia, middle circle
Post holes diameter is less than lower thread blind hole diameter；An o-ring groove is provided in the cylindrical hole of upper housing upper end；Star sealing
Circle is mounted in the cylindrical hole o-ring groove of upper housing upper end；A horizontal threaded bore is provided in the middle part of upper housing；Upper housing spiral shell
On line blind via bottom end face, the downwardly projecting annulus of the coaxial different-diameter of uniformly distributed three cross section equal semi-circles shapes；Upper housing
Table on rubber seal diaphragm external margin in three downwardly projecting annulus on tapped blind hole bottom end face, with braking diaphragm device
Three equal ring grooves in cross section in face match；There are two the cylinders of coaxial different-diameter for setting outside upper housing
Body, upper end cylinder diameter are less than lower end cylinder diameter；Upper housing upper end cylindrical body middle upper portion setting there are two with it is vertical
The symmetrical horizontal rectangular plate in axle center；A square is respectively arranged on the longitudinally asymmetric face of two horizontal rectangular plates of upper housing
Connected in star；Two horizontal rectangular plate lower ends of upper housing are evenly distributed with a triangle reinforcing rib respectively；The installation of third muffler
On the horizontal threaded bore in the middle part of upper housing；Upper housing central cylindrical bore is inserted into the brake piston upper end braked in diaphragm device
It is interior；Upper housing encloses, brakes the second lattice in diaphragm device by the first lattice in braking diaphragm device to enclose, brake diaphragm dress
The third lattice set are in sealing contact to enclose and brake the brake piston in diaphragm device；Upper housing lower end is by tapped blind hole under
Lower case threaded upper ends connection in casing device；Upper housing lower thread blind via bottom end face passes through in braking diaphragm device
Rubber seal diaphragm and lower case upper surface are in sealing contact；Upper housing lower end passes through the retaining ring and lower case in lower casing body device
Locking；Two horizontal rectangular plates of upper housing middle upper portion pass sequentially through bolt, spring washer, plain washer and dilatory machine bottom board spiral shell
It connects.
Brake diaphragm device, comprising: brake piston, the first O-ring seals, the first lattice come enclose, the second O-ring seals, the
Two lattice come enclose, third O-ring seals, third lattice come enclose, diaphragm clamp disk, strength canvas core, rubber seal diaphragm, diaphragm clamp
Disk return spring, the first combination sealing washer, the first pressure valve spring, the first pressure limiting valve pressure regulation bar, the first locking nut, first
Limiting valve body, the first sliding spool, the first muffler ASSY；Cylindrical hole there are two being respectively set in brake piston vertical central lines
With a ring-shaped cylinder blind hole, two cylindrical holes and a ring-shaped cylinder blind hole are coaxial；Brake piston upper end ring-shaped cylinder blind hole
Diameter is greater than upper end cylinder bore diameter, and upper end cylinder bore diameter is greater than lower end cylinder bore diameter；Brake piston upper end ring-shaped cylinder
Blind hole matches with the big balancing spring outer diameter in upper casing body device；Big balancing spring insertion brake piston upper end ring-shaped cylinder is blind
It is tangent on the inside of hole, brake piston upper end ring-shaped cylinder blind via bottom end face and big balancing spring lower end face contact；On brake piston
End cylindrical hole matches with the small balancing spring outer diameter in upper casing body device；Small balancing spring is inserted into brake piston upper end cylindrical hole
Inside is tangent, brake piston upper end cylindrical hole bottom end face and small balancing spring lower end face contact；It is provided with outside brake piston
The vertical cylinder body of three sections of coaxial different-diameters, wherein upper section cylinder diameter is greater than middle section cylinder diameter, middle section cylinder
Body diameter is greater than lower section cylinder diameter；Screw thread is provided on the cylindrical body of brake piston middle section；Outside brake piston upper section cylindrical body
There are three uniformly distributed o-ring grooves for portion's setting；First O-ring seals, the first lattice come enclose, the second O-ring seals, the second lattice come
To be sequentially arranged at three uniformly distributed sealing rings of brake piston upper section cylindrical outer recessed to enclose for circle, third O-ring seals, third lattice
In slot；First O-ring seals, the second O-ring seals, third O-ring seals are sequentially arranged at outside brake piston upper section cylindrical body
The uniformly distributed o-ring groove bottom in three, portion；First lattice come enclose, the second lattice come enclose, third lattice to enclose are sequentially arranged at brake piston
In three uniformly distributed o-ring grooves of upper section cylindrical outer, respectively with the first O-ring seals, the second O-ring seals, the 3rd O
Shape sealing ring is in sealing contact；Brake piston is inserted into the upper housing in upper casing body device, the lower housing cavity in lower casing body device；System
Piston enclosed by the first lattice, the second lattice come enclose, third lattice it is in sealing contact with upper housing to enclose；Core in brake piston lower end
Bar is inserted into inner hole among lower case；Gap and lower casing between core bar excircle in brake piston lower end and lower case inner periphery
Air brake valve outlet plug screw in body device communicates；Core bar inner hole in brake piston lower end disappears with the third in upper casing body device
Sound device device communicates；Piston upper surface in brake piston upper end is in always below air brake valve third muffler；System
The cylindrical body screw thread in piston middle section clamps valve snail pit with diaphragm and matches；One is provided in strength canvas core vertical central lines
A cylindrical hole；Strength canvas core is arranged in circular rubber seal diaphragm；Rubber seal diaphragm lower part is circular open plane,
At rubber seal diaphragm internal divisions face, Y shape annular shape point is presented in rubber sealing film piece upper inside surface and lower inner surface
Cloth；On the upper surface of rubber seal diaphragm external margin, the coaxial different-diameter of uniformly distributed three cross section equal semi-circles shapes is downward
Ring groove；On the lower surface of rubber seal diaphragm external margin, the coaxial difference of uniformly distributed three cross section equal semi-circles shapes
The upward ring groove of diameter；Uniformly distributed three downward ring grooves on the upper surface of rubber seal diaphragm external margin, and it is upper
Shell tapped blind hole bottom end face is evenly distributed with three downward chime rings and matches；The lower surface of rubber seal diaphragm external margin
It is upper to be evenly distributed with three upward ring grooves, three upward chime rings, which are evenly distributed in the upper surface, with lower case matches；Rubber seal
Diaphragm is mounted in upper housing and the crack of lower case junction；Diaphragm clamps valve snail pit and is sandwiched between rubber seal diaphragm
Brake piston middle section cylindrical body be threadedly coupled；It is plane that diaphragm, which clamps disk upper surface,；Diaphragm clamps on the cylindrical body of disk lower end
There are two settings and the symmetrical plane of vertical central；Diaphragm clamp disk vertical central lines on be respectively arranged with a threaded hole and
One ring-shaped cylinder blind hole, threaded hole and ring-shaped cylinder blind hole are coaxial；Diaphragm clamps disc-annular shape cylinder blind hole diameter and is greater than screw thread
Bore dia；Diaphragm clamps disc-annular shape cylinder blind hole and matches with diaphragm clamping disk return spring outer diameter；Diaphragm clamps disk return bullet
Spring insertion diaphragm clamps tangent on the inside of the ring-shaped cylinder blind hole of disk lower end, diaphragm clamping disk return spring upper surface and diaphragm clamping disk
The contact of lower end ring-shaped cylinder blind via bottom end face；Diaphragm clamps disk return spring lower end surface and lower case upper end ring-shaped cylinder blind hole
Bottom end face contact；Cylindrical body there are two coaxial different-diameter is set outside the first limiting valve body, wherein left end cylinder
Body diameter is greater than right end cylinder diameter；Screw thread is provided on first limiting valve body right end cylindrical body；First limiting valve body
The right end cylindrical body bottom of thread is provided with a ring groove；The first limiting valve body left end cylindrical body left side setting there are two with
The symmetrical horizontal groove in axle center；Coaxial different-diameter there are two being respectively set on first limiting valve body horizontal axis line
Cylindrical hole, wherein left end cylinder bore diameter is greater than right end cylinder bore diameter；The setting of first limiting valve body left end cylindrical hole bottom
There is a toroidal cavity；Screw thread is provided in first limiting valve body left end cylindrical hole；First limiting valve body left end cylinder
A threaded hole vertically downward is provided on the right of body；First limiting valve body passes through right end cylindrical body screw thread and lower case top
The connection of left end threaded hole；First limiting valve body is in sealing contact by the first combination sealing washer and lower case；First silencer
Assembly passes through the screw thread of the right vertically downward on the first muffler ASSY threaded upper ends, with the first limiting valve body left end cylindrical body
Hole connection；First sliding spool is a cylindrical body；Left end is provided with a cylinder blind hole on first sliding spool horizontal axis line；The
Left end cylinder blind hole matches with the first pressure valve spring outer diameter on one sliding spool horizontal axis line；The insertion of first pressure valve spring
It is tangent on the inside of the cylinder blind hole of left end on first sliding spool horizontal axis line, the first pressure valve spring right side and the first sliding spool water
Left end cylinder blind via bottom end face contacts on flat axial line；Right end is provided with one on first pressure limiting valve pressure regulation bar horizontal axis line
Blind hole；Right end blind hole matches with the first pressure valve spring outer diameter on first pressure limiting valve pressure regulation bar horizontal axis line；First pressure limiting
Valve spring be inserted into it is tangent on the inside of right end blind hole on the first pressure limiting valve pressure regulation bar horizontal axis line, the first pressure valve spring left side with
Right end blind via bottom end face contacts on first pressure limiting valve pressure regulation bar horizontal axis line；It is arranged on first pressure limiting valve pressure regulation bar cylindrical body
There is screw thread；A cross groove perpendicular to horizontal axis line section is provided with outside first pressure limiting valve pressure regulation bar left end；The
One pressure limiting valve pressure regulation bar is connect by cylindrical body screw thread with the first limiting valve body left end threaded hole；First pressure limiting valve pressure regulation bar is logical
It crosses the first locking nut and the first limiting valve body is locked.
Lower casing body device, comprising: retaining ring, the second pressure limiting valve pressure regulation bar, the second locking nut, the second pressure valve spring,
Second sliding spool, the second limiting valve body, the second muffler, the second combination sealing washer, air inlet rubber valve return bullet
Spring, air inlet rubber valve, air inlet plug screw, third combination sealing washer, lower case, the 4th combination sealing washer, first pressure pass
Sensor arrangement, air brake valve outlet plug screw, the 6th combination sealing washer, second pressure sensor device, the 7th combination sealing pad
Circle；The upward chime rings of the coaxial different-diameter of uniformly distributed three cross section equal semi-circles shapes on lower case upper surface；Lower case
Uniformly distributed three annulus protruding upward on upper surface, with three ring grooves uniformly distributed on the lower surface of rubber seal diaphragm external margin
Match；Be respectively arranged with a cylindrical hole and two ring-shaped cylinder blind holes in lower case vertical central lines, a cylindrical hole with
Two ring-shaped cylinder blind holes are coaxial；Lower case upper end ring-shaped cylinder blind hole diameter is greater than lower end ring-shaped cylinder blind hole diameter；Lower casing
Body lower end ring-shaped cylinder blind hole diameter is greater than cylinder bore diameter；Lower case lower end ring-shaped cylinder blind hole lower part is provided with screw thread；Under
There are four horizontal uniformly distributed threaded holes for upper part of the housing setting；There are two horizontal uniformly distributed threaded holes for the setting of lower case lower part；In lower case
End ring-shaped cylinder blind hole mediate cylindrical clamps disk return spring internal diameter with the diaphragm braked in diaphragm device and matches；Lower case
Upper end ring-shaped cylinder blind hole mediate cylindrical is inserted into tangent on the inside of diaphragm clamping disk return spring；Lower case upper end ring-shaped cylinder is blind
Hole bottom end face and diaphragm clamp disk return spring lower end face contact；Lower case external cylinder upper end is provided with screw thread；Lower casing
Body is threadedly coupled by cylindrical body threaded upper ends with the upper housing lower end cylindrical hole in upper casing body device；Lower case passes through braking film
Rubber seal diaphragm and upper housing in sheet devices is in sealing contact；Lower case is locked by retaining ring and upper housing；In lower case
Portion left end threaded hole passes through the first pressure limiting valve in the first combination sealing washer and braking diaphragm device in braking diaphragm device
Shell connection；Lower case upper right end threaded hole passes through in the 5th combination sealing washer and Brake lamp device in Brake lamp device
Brake lamp erection seat connection；Lower case upper back threaded hole passes through the 6th combination sealing washer and air brake valve outlet plug screw
It is threadedly coupled；Lower case upper front threaded hole is connected by the 7th combination sealing washer and second pressure sensor device screw thread
It connects；Lower case lower part right end threaded hole is threadedly coupled by the 4th combination sealing washer with first pressure sensor device；Air inlet
Rubber valve is rubber parts；It is disk at the top of air inlet rubber valve；Air inlet rubber valve lower edge round ring boss is lower than
Central circular boss；Air inlet rubber valve return spring upper end be inserted into air inlet rubber valve lower end annular groove in, and with circle
Cylinder inscribe；Air inlet rubber valve return spring outer diameter matches with air inlet plug screw lower end cylindrical hole；Air inlet rubber valve return
Spring is inserted into tangent on the inside of the cylindrical hole of air inlet plug screw lower end, air inlet rubber valve return spring lower end surface and air inlet plug screw upper surface
Contact；Air inlet plug screw is connect by third combination sealing washer with lower case；Air inlet plug screw lower end is connect with high pressure admission pipeline；
There are two the cylindrical bodies of coaxial different-diameter for setting outside second limiting valve body, and wherein left end cylinder diameter is greater than right end
Cylinder diameter；Screw thread is provided on second limiting valve body right end cylindrical body；Second limiting valve body right end cylindrical body screw thread
Bottom is provided with a ring groove；There are two symmetrical with horizontal axis line for the setting of the second limiting valve body left end cylindrical body left side
Horizontal groove；The cylindrical hole there are two coaxial different-diameter is respectively set on second limiting valve body horizontal axis line,
Middle left end cylinder bore diameter is greater than right end cylinder bore diameter；Second limiting valve body left end cylindrical hole bottom is provided with an annulus
Connected in star；Screw thread is provided in second limiting valve body left end cylindrical hole；Setting on the right of second limiting valve body left end cylindrical body
There is a threaded hole vertically downward；Second limiting valve body passes through right end cylindrical body screw thread and lower case lower part left end threaded hole
Connection；Second limiting valve body is in sealing contact by the second combination sealing washer and lower case；Second muffler passes through the
Two muffler threaded upper ends are connect with the threaded hole of the right vertically downward on the second limiting valve body left end cylindrical body；Second
Sliding spool is a cylindrical body；Left end is provided with a cylinder blind hole on second sliding spool horizontal axis line；Second sliding spool water
Cylinder blind hole in left end matches with the second pressure valve spring outer diameter on flat axial line；Second pressure valve spring is inserted into the second sliding spool
It is tangent on the inside of left end cylinder blind hole on horizontal axis line, on the second pressure valve spring right side and the second sliding spool horizontal axis line
The contact of left end cylinder blind via bottom end face；Right end is provided with a blind hole on second pressure limiting valve pressure regulation bar horizontal axis line；Second
Right end blind hole matches with the second pressure valve spring outer diameter on pressure limiting valve pressure regulation bar horizontal axis line；The insertion of second pressure valve spring
It is tangent on the inside of right end blind hole on second pressure limiting valve pressure regulation bar horizontal axis line, the second pressure valve spring left side and the second pressure limiting valve
Right end blind via bottom end face contacts on pressure regulation bar horizontal axis line；Screw thread is provided on second pressure limiting valve pressure regulation bar cylindrical body；The
A cross groove perpendicular to horizontal axis line section is provided with outside two pressure limiting valve pressure regulation bar left ends；Second pressure limiting valve tune
Compression bar is connect by cylindrical body screw thread with the second limiting valve body left end threaded hole；Second pressure limiting valve pressure regulation bar passes through the second locking
Nut and the second limiting valve body are locked.
Brake lamp device, comprising: the second shackle, the 5th combination sealing washer, Brake lamp erection seat, Brake lamp device
Spring, Brake lamp device cathode stud, water proof and dust proof protective cover, Brake lamp device anode stud, Brake lamp electric installation；Braking
Screw thread is provided on lamp device cathode stud cylindrical body；Screw thread is provided on Brake lamp device anode stud cylindrical body；Brake lamp
Device cathode stud, Brake lamp device anode stud are put into mold are injection molded to Brake lamp erection seat by injection molding machine simultaneously；
It is positive with Brake lamp device on Brake lamp device cathode stud right end threaded cylinder respectively after Brake lamp erection seat injection molded
Two connection electric wire locking nuts are respectively installed on the stud right end threaded cylinder of pole；Water proof and dust proof protective cover is mounted on Brake lamp dress
It sets on seat；Left end is provided with a blind hole on Brake lamp erection seat horizontal axis line；Brake lamp erection seat left end blind via bottom is set
It is equipped with a cylinder boss；Brake lamp erection seat blind hole and cylinder boss are coaxial；The Brake lamp erection seat blind hole left side is provided with one
A ring groove；Brake lamp erection seat blind via bottom cylinder boss matches with Brake lamp device spring inside diameter；Brake lamp device
It is tangent on the inside of seat blind via bottom cylinder boss insertion Brake lamp device spring；Brake lamp device spring right side and Brake lamp device
The contact of seat left end blind via bottom end face；Two cylindrical bodies and a hexagonal prism, six ribs are respectively arranged with outside Brake lamp erection seat
The inscribed circle diameter of body is greater than right end cylinder diameter, and right end cylinder diameter is greater than left end cylinder diameter；Brake lamp device
Seat hexagonal prism both ends are respectively arranged with a ring groove；Screw thread is respectively arranged on two cylindrical bodies of Brake lamp erection seat；System
There are two the cylindrical bodies of coaxial different-diameter for dynamic lamp electric installation setting；Brake lamp electric installation left end cylinder diameter is greater than
Right end cylinder diameter；Brake lamp electric installation left end cylindrical body matches with Brake lamp erection seat blind hole internal diameter；Brake lamp is led
Electric installation right end cylindrical body matches with Brake lamp device spring inside diameter；It is blind that Brake lamp electric installation is mounted on Brake lamp erection seat
In hole；Brake lamp electric installation right end cylindrical body and Brake lamp device spring inside are tangent；Brake lamp device spring left side with
Brake lamp electric installation left end cylindrical body right end face contact；Second shackle is mounted on Brake lamp erection seat blind hole left side annulus
In groove；Second shackle right side and Brake lamp electric installation left end face contact；Brake lamp erection seat passes through left end cylinder
Body screw thread is connect with the lower case upper right end threaded hole in lower casing body device；Brake lamp erection seat passes through the 5th combination sealing pad
It encloses in sealing contact with lower case.
The good effect that the present invention generates afterwards by adopting the above technical scheme is: agricultural traction engine trailer diaphragm type air brake valve
Apparatus structure is compact, connection type is reasonable, can fast implement dismounting, and braking diaphragm device is integrated by intake and exhaust spool, fills
With simple, control precision is high, it ensure that agricultural traction engine trailer diaphragm type air brake valve device in installation and use and upper casing
Body device, lower casing body device, air inlet rubber valve, big balancing spring, small balancing spring, diaphragm clamping disk return spring are coaxial,
Sealing performance significantly improves, and improves the static characteristic and dynamic characteristic of agricultural traction engine trailer diaphragm type air brake valve device
Energy.
Detailed description of the invention
Fig. 1 is the front view structure schematic cross-sectional view of agricultural traction engine trailer diaphragm type air brake valve device of the present invention；
Fig. 2 is the left view structural representation of agricultural traction engine trailer diaphragm type air brake valve device of the present invention；
Fig. 3 is the right side structural representation of agricultural traction engine trailer diaphragm type air brake valve device of the present invention；
Fig. 4 is the overlooking structure diagram of agricultural traction engine trailer diaphragm type air brake valve device of the present invention；
Fig. 5 is the present invention looks up structural representation of agricultural traction engine trailer diaphragm type air brake valve device of the present invention.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and embodiments.As shown in Fig. 1 ~ 5, agricultural traction engine trailer
Diaphragm type air brake valve device mainly pre-tightens screw rod 3, brake pushrod by upper casing body device 1, the first shackle 2, balancing spring
4, star sealing ring 5, upper housing 6, big balancing spring 7, small balancing spring 8, brake piston 9, the first O-ring seals 10, first
Lattice come enclose the 11, second O-ring seals 12, the second lattice enclose 13, third O-ring seals 14, third lattice enclose 15, diaphragm clamp disk
16, strength canvas core 17, rubber seal diaphragm 18, diaphragm clamp disk return spring 19, retaining ring 20, the first combination sealing washer
21, diaphragm device 22, the first pressure valve spring 23, the first pressure limiting valve pressure regulation bar 24, the first locking nut 25, the first pressure limiting are braked
Valve chest 26, the first sliding spool 27, the first muffler ASSY 28, the second pressure limiting valve pressure regulation bar 29, the second locking nut 30, second
Pressure valve spring 31, the second sliding spool 32, the second limiting valve body 33, the second muffler 34, the second combination sealing washer
35, lower casing body device 36, air inlet rubber valve return spring 37, air inlet rubber valve 38, air inlet plug screw 39, third combination sealing
Washer 40, lower case 41, the 4th combination sealing washer 42, first pressure sensor device 43, the second shackle 44, the 5th group
Seal washer 45, Brake lamp erection seat 46, Brake lamp device spring 47, Brake lamp device cathode stud 48, water proof and dust proof is closed to protect
Shield 49, Brake lamp device anode stud 50, Brake lamp device 51, Brake lamp electric installation 52, air brake valve outlet plug screw 53,
6th combination sealing washer 54, third muffler 55, second pressure sensor device 56,57 groups of the 7th combination sealing washer
At.
Upper casing body device 1 passes through the lower thread of the upper housing 6 in upper casing body device 1, under lower casing body device 36
The threaded upper ends of shell 41 connect；Upper housing 6 passes through the retaining ring 20 and the locking of lower case 41 in lower casing body device 36；Upper housing
6 lower end surfaces by braking diaphragm device 22 in rubber seal diaphragm 18 and 41 upper surface of lower case it is in sealing contact；Brake diaphragm
Device 22 is mounted on inside upper casing body device 1 and lower casing body device 36；Brake lamp device 51 is mounted on outside lower casing body device 36,
Connect by the 5th combination sealing washer 45 in Brake lamp device 51 with lower case 41, and with the gas system in lower casing body device 36
Second pressure sensor device 56 in dynamic valve outlet plug screw 53 and lower casing body device 36 is arranged vertically in same level；System
The first limiting valve body 26 in dynamic lamp device 51 and braking diaphragm device 22 is arranged in agricultural traction engine trailer diaphragm type
Air brake valve device two sides；Second pressure sensor device 56 and air brake valve outlet plug screw 53 are arranged in agricultural traction engine
Trailer diaphragm type air brake valve device two sides；First pressure sensor device 43 and lower casing body device 36 in lower casing body device 36
In the second limiting valve body 33 be arranged in agricultural traction engine trailer diaphragm type air brake valve device two sides.
A threaded hole is provided in 4 vertical central lines of brake pushrod；4 vertical central lines upper screwed hole of brake pushrod and flat
Weighing apparatus 3 upper section cylindrical body screw thread of spring pre-tightening screw rod matches；Upper end is provided with a ring groove in 4 threaded hole of brake pushrod；
First shackle 2 is mounted in 4 threaded hole ring groove of brake pushrod；There are two being arranged outside brake pushrod 4 coaxially not
With the cylindrical body of diameter, upper end cylinder diameter is less than lower end cylinder diameter；4 upper end of brake pushrod is from 6 upper end of upper housing
Heart hole is stretched out, 4 lower end cylindrical body upper surface of brake pushrod and 6 inner upper end centre bore lower end face contact of upper housing；Brake pushrod 4
It is in sealing contact by star sealing ring 5 and upper housing 6；Balancing spring pre-tightens 3 axial line upper and lower side of screw rod and is provided with a cylinder
Blind hole；Balancing spring pre-tightens 3 lower end cylinder blind hole of screw rod and matches with small 8 outer diameter of balancing spring；The small insertion of balancing spring 8 balance
Tangent on the inside of 3 lower end cylinder blind hole of spring pre-tightening screw rod, small 8 upper surface of balancing spring and balancing spring pre-tighten 3 lower end of screw rod circle
The contact of column blind via bottom end face；9 upper end cylindrical hole bottom of brake piston in small 8 lower end surface of balancing spring and braking diaphragm device 22
End surface contact；Balancing spring pre-tightens the vertical cylinder body that three sections of coaxial different-diameters are provided with outside screw rod 3, wherein middle section circle
Column diameter is greater than lower section cylinder diameter, and lower section cylinder diameter is greater than upper section cylinder diameter；Balancing spring pre-tightens screw rod 3
Screw thread is provided on upper section cylindrical body；Balancing spring pre-tightens 3 upper section cylindrical body screw thread of screw rod and connect with 4 threaded hole of brake pushrod；
Balancing spring pre-tightens 3 upper surface of screw rod and 2 lower end face contact of the first shackle；Balancing spring pre-tightens 3 lower section cylindrical body of screw rod
Match with big 7 internal diameter of balancing spring；Big 7 inside of balancing spring of balancing spring preload 3 lower section cylindrical body of screw rod insertion is tangent, in
Section cylindrical body lower end surface and big 7 upper end face contact of balancing spring；System in big 7 lower end surface of balancing spring and braking diaphragm device 22
The contact of 9 upper end ring-shaped cylinder blind via bottom end face of piston；Balancing spring pre-tightens screw rod 3 for pre-tightening small balancing spring 8 and big
Balancing spring 7 can improve braking ability；It is arranged in 6 vertical central lines of upper housing there are two cylindrical hole and a tapped blind hole,
Two cylindrical holes and a tapped blind hole are coaxial, and wherein upper end cylinder bore diameter is less than intermediate cylindrical bore dia, central cylindrical bore
Diameter is less than lower thread blind hole diameter；An o-ring groove is provided in 6 upper end cylindrical hole of upper housing；Star sealing ring 5
It is mounted in 6 upper end cylindrical hole o-ring groove of upper housing；A horizontal threaded bore is provided in the middle part of upper housing 6；6 spiral shell of upper housing
On line blind via bottom end face, the downwardly projecting annulus of the coaxial different-diameter of uniformly distributed three cross section equal semi-circles shapes；Upper housing 6
18 external margin of rubber seal diaphragm in three downwardly projecting annulus on tapped blind hole bottom end face, with braking diaphragm device 22
Three equal ring grooves in cross section of upper surface match；Coaxial different-diameter there are two being arranged outside upper housing 6
Cylindrical body, upper end cylinder diameter are less than lower end cylinder diameter；6 upper end cylindrical body middle upper portion of upper housing setting there are two with
The symmetrical horizontal rectangular plate of vertical central；It is respectively arranged on the longitudinally asymmetric face of 6 two horizontal rectangular plates of upper housing
One rectangular recess；6 two horizontal rectangular plate lower ends of upper housing are evenly distributed with a triangle reinforcing rib respectively；Third silencer dress
55 are set to be mounted on the horizontal threaded bore at 6 middle part of upper housing；Upper housing is inserted into 9 upper end of brake piston braked in diaphragm device 22
In 6 central cylindrical bores；Upper housing 6 encloses 11 by the first lattice in braking diaphragm device 22, the in braking diaphragm device 22
Two lattice connect to enclose 15 with the sealing of brake piston 9 in braking diaphragm device 22 come the third lattice enclosed in 13, braking diaphragm device 22
Touching；6 lower end of upper housing is connect by tapped blind hole with 41 threaded upper ends of lower case in lower casing body device 36；6 lower end of upper housing
Tapped blind hole bottom end face by braking diaphragm device 22 in rubber seal diaphragm 18 and 41 upper surface of lower case it is in sealing contact；
6 lower end of upper housing passes through the retaining ring 20 and the locking of lower case 41 in lower casing body device 36；Upper housing 6 middle upper portion, two levels
Rectangular plate passes sequentially through bolt, spring washer, plain washer and dilatory machine bottom board and is spirally connected, it is easy to which ground realizes agricultural traction engine
The fast assembling-disassembling of trailer diaphragm type air brake valve device.
Cylindrical hole and a ring-shaped cylinder blind hole there are two being respectively set in 9 vertical central lines of brake piston, two cylinders
Kong Yuyi ring-shaped cylinder blind hole is coaxial；9 upper end ring-shaped cylinder blind hole diameter of brake piston is greater than upper end cylinder bore diameter, upper end
Cylinder bore diameter is greater than lower end cylinder bore diameter；Big balance in 9 upper end ring-shaped cylinder blind hole of brake piston and upper casing body device 1
7 outer diameter of spring matches；It is tangent on the inside of big 9 upper end ring-shaped cylinder blind hole of the insertion of balancing spring 7 brake piston, on brake piston 9
Hold ring-shaped cylinder blind via bottom end face and big 7 lower end face contact of balancing spring；9 upper end cylindrical hole of brake piston and upper casing body device
8 outer diameter of small balancing spring in 1 matches；Small balancing spring 8 is inserted into tangent on the inside of 9 upper end cylindrical hole of brake piston, braking work
Fill in 9 upper end cylindrical hole bottom end faces and small 8 lower end face contact of balancing spring；Be provided with outside brake piston 9 three sections it is coaxial not
With the vertical cylinder body of diameter, wherein upper section cylinder diameter is greater than middle section cylinder diameter, under middle section cylinder diameter is greater than
Section cylinder diameter；Screw thread is provided on 9 middle section cylindrical body of brake piston；9 upper section cylindrical outer of brake piston is provided with three
A uniformly distributed o-ring groove；First O-ring seals 10, the first lattice come enclose the 11, second O-ring seals 12, the second lattice enclose 13,
Third O-ring seals 14, third lattice are sequentially arranged at brake piston 9 upper section cylindrical outer, three uniformly distributed sealing rings to enclose 15
In groove；First O-ring seals 10, the second O-ring seals 12, third O-ring seals 14 are sequentially arranged at 9 upper section of brake piston
Cylindrical outer three uniformly distributed o-ring groove bottoms；First lattice enclose 13, third lattice and enclose 15 successively to enclose the 11, second lattice
Be mounted in brake piston 9 upper section cylindrical outer, three uniformly distributed o-ring grooves, respectively with the first O-ring seals 10,
Two O-ring seals 12, third O-ring seals 14 are in sealing contact；Brake piston 9 be inserted into upper casing body device 1 in upper housing 6, under
41 inner cavity of lower case in casing device 36；Brake piston 9 encloses the 11, second lattice by the first lattice to enclose 13, third lattice and enclose
15 is in sealing contact with upper housing 6；Enclosed using the first O-ring seals 10, the first lattice the 11, second O-ring seals 12, the second lattice come
After enclosing 15, air brake valve leakproofness can be improved in circle 13, third O-ring seals 14, third lattice；In 9 lower end of brake piston
Core bar is inserted into the intermediate inner hole of lower case 41；Between between 41 inner periphery of core bar excircle in 9 lower end of brake piston and lower case
Gap is communicated with the air brake valve outlet plug screw 53 in lower casing body device 36；Core bar inner hole and upper housing in 9 lower end of brake piston
Third muffler 55 in device 1 communicates；Third muffler 55 is used to reduce or release exhaust noise when braking,
It reduces environmental pollution；Piston upper surface in 9 upper end of brake piston is in always below air brake valve third muffler 55；
The cylindrical body screw thread in 9 middle section of brake piston clamps 16 threaded hole of disk with diaphragm and matches；In 17 vertical central lines of strength canvas core
It is provided with a cylindrical hole；Strength canvas core 17 is arranged in circular rubber seal diaphragm 18；18 lower part of rubber seal diaphragm
It is circular open plane, in 18 inner part interface of rubber seal diaphragm, in 18 upper inside surface of rubber seal diaphragm and lower part
The distribution of Y shape annular shape is presented in surface；On the upper surface of 18 external margin of rubber seal diaphragm, uniformly distributed three cross section equal semi-circles
The downward ring groove of the coaxial different-diameter of shape；On the lower surface of 18 external margin of rubber seal diaphragm, uniformly distributed three transversal
The upward ring groove of the coaxial different-diameter of face equal semi-circles shape；It is uniformly distributed on the upper surface of 18 external margin of rubber seal diaphragm
Three downward ring grooves are evenly distributed with three downward chime rings with 6 tapped blind hole bottom end face of upper housing and match；Rubber
Seal uniformly distributed three upward ring grooves on the lower surface of 18 external margin of diaphragm, with lower case 41 be evenly distributed in the upper surface three to
On chime rings match；Rubber seal diaphragm 18 is mounted in upper housing 6 and the crack of 41 junction of lower case；Diaphragm folder
Tight 16 threaded hole of disk is threadedly coupled with the cylindrical body in 9 middle section of brake piston for being sandwiched between rubber seal diaphragm 18；Diaphragm clamps
16 upper surface of disk is plane；Diaphragm clamp 16 lower end cylindrical body of disk on setting there are two with the symmetrical plane of vertical central；Film
Piece clamps and is respectively arranged with a threaded hole and a ring-shaped cylinder blind hole, threaded hole and ring-shaped cylinder in 16 vertical central lines of disk
Blind hole is coaxial；Diaphragm clamps 16 ring-shaped cylinder blind hole diameter of disk and is greater than screw thread bore dia；Diaphragm clamps 16 ring-shaped cylinder blind hole of disk
19 outer diameter of disk return spring is clamped with diaphragm to match；Diaphragm clamps disk return spring 19 and is inserted into diaphragm clamping 16 lower end of disk annular
Tangent on the inside of cylinder blind hole, diaphragm clamps 19 upper surface of disk return spring and diaphragm clamps 16 lower end ring-shaped cylinder blind via bottom of disk
End face contact；Diaphragm clamps 19 lower end surface of disk return spring and contacts with 41 upper end ring-shaped cylinder blind via bottom end face of lower case；System
Piston 9 by intake and exhaust spool it is integrated in installation and use with upper casing body device 1, lower casing body device 36, big equilibrium bomb
Spring 7, small balancing spring 8, diaphragm clamp disk return spring 19 coaxially, and sealing performance significantly improves, and improves air brake valve device
Static characteristic and dynamic characteristic；Cylindrical body there are two coaxial different-diameter is set outside the first limiting valve body 26,
Middle left end cylinder diameter is greater than right end cylinder diameter；Screw thread is provided on first limiting valve body, 26 right end cylindrical body；The
One limiting valve body, the 26 right end cylindrical body bottom of thread is provided with a ring groove；First limiting valve body, 26 left end cylindrical body
There are two upper left side settings and the symmetrical horizontal groove in axle center；It is respectively arranged on first limiting valve body, 26 horizontal axis line
The cylindrical hole of two coaxial different-diameters, wherein left end cylinder bore diameter is greater than right end cylinder bore diameter；First pressure limiting valve casing
26 left end cylindrical hole bottom of body is provided with a toroidal cavity；Spiral shell is provided in first limiting valve body, 26 left end cylindrical hole
Line；A threaded hole vertically downward is provided on the right of first limiting valve body, 26 left end cylindrical body；First limiting valve body 26
It is connect by right end cylindrical body screw thread with 41 upper left end threaded hole of lower case；First limiting valve body 26 is close by the first combination
Seal washer 21 and lower case 41 are in sealing contact；First muffler ASSY 28 is by 28 threaded upper ends of the first muffler ASSY, with the
The threaded hole connection of the right vertically downward on one limiting valve body, 26 left end cylindrical body；First muffler ASSY 28 is defeated for reducing
Exhaust noise when high-pressure gas pressure is more than limit value out, reduces environmental pollution；First sliding spool 27 is a cylindrical body；The
Left end is provided with a cylinder blind hole on one sliding spool, 27 horizontal axis line；Left end cylinder on first sliding spool, 27 horizontal axis line
Blind hole matches with 23 outer diameter of the first pressure valve spring；First pressure valve spring 23 is inserted on 27 horizontal axis line of the first sliding spool
It is tangent on the inside of the cylinder blind hole of left end, left end cylinder on 23 right side of the first pressure valve spring and 27 horizontal axis line of the first sliding spool
The contact of blind via bottom end face；Right end is provided with a blind hole on first pressure limiting valve pressure regulation bar, 24 horizontal axis line；First pressure limiting valve
Right end blind hole matches with 23 outer diameter of the first pressure valve spring on 24 horizontal axis line of pressure regulation bar；The insertion of first pressure valve spring 23
It is tangent on the inside of right end blind hole on first pressure limiting valve pressure regulation bar, 24 horizontal axis line, 23 left side of the first pressure valve spring and the first limit
Right end blind via bottom end face contacts on 24 horizontal axis line of pressure valve pressure regulation bar；It is provided on first pressure limiting valve pressure regulation bar, 24 cylindrical body
Screw thread；First pressure limiting valve pressure regulation bar is provided with a cross groove perpendicular to horizontal axis line section outside 24 left end；The
One pressure limiting valve pressure regulation bar 24 is connect by cylindrical body screw thread with 26 left end threaded hole of the first limiting valve body；First pressure limiting valve pressure regulation
Bar 24 is locked by the first locking nut 25 and the first limiting valve body 26.
The upward chime rings of the coaxial different-diameter of uniformly distributed three cross section equal semi-circles shapes on 41 upper surface of lower case；
Uniformly distributed three annulus protruding upward on 41 upper surface of lower case, on the lower surface of 18 external margin of rubber seal diaphragm uniformly distributed three
A ring groove matches；A cylindrical hole and two ring-shaped cylinder blind holes are respectively arranged in 41 vertical central lines of lower case,
One cylindrical hole and two ring-shaped cylinder blind holes are coaxial；41 upper end ring-shaped cylinder blind hole diameter of lower case is greater than lower end ring-shaped cylinder
Blind hole diameter；41 lower end ring-shaped cylinder blind hole diameter of lower case is greater than cylinder bore diameter；41 lower end ring-shaped cylinder blind hole of lower case
Lower part is provided with screw thread；There are four horizontal uniformly distributed threaded holes for the setting of 41 top of lower case；There are two water for the setting of 41 lower part of lower case
Average cloth threaded hole；Diaphragm in 41 upper end ring-shaped cylinder blind hole mediate cylindrical of lower case and braking diaphragm device 22 clamps disk
19 internal diameter of return spring matches；41 upper end ring-shaped cylinder blind hole mediate cylindrical of lower case is inserted into diaphragm and clamps disk return spring
19 insides are tangent；41 upper end ring-shaped cylinder blind via bottom end face of lower case and diaphragm clamp 19 lower end face contact of disk return spring；
41 external cylinder upper end of lower case is provided with screw thread；Lower case 41 passes through in cylindrical body threaded upper ends and upper casing body device 1
6 lower end cylindrical hole of upper housing is threadedly coupled；Lower case 41 passes through the rubber seal diaphragm 18 and upper casing in braking diaphragm device 22
Body 6 is in sealing contact；Lower case 41 is locked by retaining ring 20 and upper housing 6；41 upper left end threaded hole of lower case passes through braking
The first combination sealing washer 21 in diaphragm device 22 is connect with the first limiting valve body 26 in braking diaphragm device 22；Lower casing
41 upper right end threaded hole of body passes through the 5th combination sealing washer 45 in Brake lamp device 51 and the system in Brake lamp device 51
Dynamic lamp erection seat 46 connects；41 upper back threaded hole of lower case passes through the 6th combination sealing washer 54 and air brake valve outlet spiral shell
Plug 53 is threadedly coupled；41 upper front threaded hole of lower case passes through the 7th combination sealing washer 57 and second pressure sensor device
56 are threadedly coupled；41 lower part right end threaded hole of lower case passes through the 4th combination sealing washer 42 and first pressure sensor device 43
It is threadedly coupled；First pressure sensor device 43, second pressure sensor device 56 are fed back to for acquiring real-time pressure data
Brake system control unit；Air inlet rubber valve 38 is rubber parts；It is disk at the top of air inlet rubber valve 38；Air inlet rubber valve
38 lower edge round ring boss of door are lower than central circular boss；Air inlet rubber is inserted into 37 upper end of air inlet rubber valve return spring
In the annular groove of 38 lower end of valve, and with cylindrical surface inscribe；37 outer diameter of air inlet rubber valve return spring and air inlet plug screw 39
Lower end cylindrical hole matches；Air inlet rubber valve return spring 37 is inserted into tangent, air inlet on the inside of 39 lower end cylindrical hole of air inlet plug screw
37 lower end surface of rubber valve return spring and 39 upper end face contact of air inlet plug screw；Air inlet plug screw 39 passes through third combination sealing washer
40 connect with lower case 41；39 lower end of air inlet plug screw is connect with high pressure admission pipeline；It is provided with outside second limiting valve body 33
The cylindrical body of two coaxial different-diameters, wherein left end cylinder diameter is greater than right end cylinder diameter；Second pressure limiting valve casing
Screw thread is provided on 33 right end cylindrical body of body；It is recessed that second limiting valve body, the 33 right end cylindrical body bottom of thread is provided with an annulus
Slot；On second limiting valve body, 33 left end cylindrical body the left side setting there are two with the symmetrical horizontal groove of horizontal axis；Second
The cylindrical hole there are two coaxial different-diameter is respectively set on 33 horizontal axis line of limiting valve body, wherein left end cylindrical hole is straight
Diameter is greater than right end cylinder bore diameter；Second limiting valve body, 33 left end cylindrical hole bottom is provided with a toroidal cavity；Second
Screw thread is provided in 33 left end cylindrical hole of limiting valve body；One is provided on the right of second limiting valve body, 33 left end cylindrical body to hang down
Straight downward threaded hole；Second limiting valve body 33 is connected by right end cylindrical body screw thread and 41 lower part left end threaded hole of lower case
It connects；Second limiting valve body 33 is in sealing contact by the second combination sealing washer 35 and lower case 41；Second muffler 34
By 34 threaded upper ends of the second muffler, the downward threaded hole with 33 left end cylindrical body right vertical of the second limiting valve body
Connection；Second muffler 34 is used to reduce exhaust noise when input high-pressure gas pressure is more than limit value, reduces environment
Pollution；Second sliding spool 32 is a cylindrical body；Left end is provided with a cylinder blind hole on second sliding spool, 32 horizontal axis line；
Left end cylinder blind hole matches with 31 outer diameter of the second pressure valve spring on second sliding spool, 32 horizontal axis line；Second pressure limiting valve bullet
Spring 31 be inserted into it is tangent on the inside of left end cylinder blind hole on 32 horizontal axis line of the second sliding spool, 31 right side of the second pressure valve spring with
Left end cylinder blind via bottom end face contacts on second sliding spool, 32 horizontal axis line；Second pressure limiting valve pressure regulation bar, 29 horizontal axis line
Upper right end is provided with a blind hole；Right end blind hole and the second pressure valve spring 31 on second pressure limiting valve pressure regulation bar, 29 horizontal axis line
Outer diameter matches；Second pressure valve spring 31 is inserted on 29 horizontal axis line of the second pressure limiting valve pressure regulation bar phase on the inside of right end blind hole
It cuts, 31 left side of the second pressure valve spring connects with right end blind via bottom end face on 29 horizontal axis line of the second pressure limiting valve pressure regulation bar
Touching；Screw thread is provided on second pressure limiting valve pressure regulation bar, 29 cylindrical body；Second pressure limiting valve pressure regulation bar is provided with one outside 29 left end
Perpendicular to the cross groove in horizontal axis line section；Second pressure limiting valve pressure regulation bar 29 passes through cylindrical body screw thread and the second pressure limiting valve
The connection of 33 left end threaded hole of shell；Second pressure limiting valve pressure regulation bar 29 is locked by the second locking nut 30 and the second limiting valve body 33
Tightly.
Screw thread is provided on 48 cylindrical body of Brake lamp device cathode stud；It is set on 50 cylindrical body of Brake lamp device anode stud
It is equipped with screw thread；Brake lamp device cathode stud 48, Brake lamp device anode stud 50 are put into mold are molded by injection molding machine simultaneously
It is configured to Brake lamp erection seat 46；Respectively in 48 right end spiral shell of Brake lamp device cathode stud after 46 injection molded of Brake lamp erection seat
Two connection electric wire locking nuts are installed on line cylindrical body and respectively on 50 right end threaded cylinder of Brake lamp device anode stud；It is anti-
Water dustproof protecting cover 49 is mounted on Brake lamp erection seat 46；Left end is provided with one on 46 horizontal axis line of Brake lamp erection seat
Blind hole；46 left end blind via bottom of Brake lamp erection seat is provided with a cylinder boss；46 blind hole of Brake lamp erection seat and cylinder are convex
Platform is coaxial；The 46 blind hole left side of Brake lamp erection seat is provided with a ring groove；46 blind via bottom cylinder of Brake lamp erection seat is convex
Platform matches with 47 internal diameter of Brake lamp device spring；46 blind via bottom cylinder boss of Brake lamp erection seat is inserted into Brake lamp device bullet
47 inside of spring is tangent；47 right side of Brake lamp device spring is contacted with 46 left end blind via bottom end face of Brake lamp erection seat；Braking
Two cylindrical bodies and a hexagonal prism are respectively arranged with outside lamp erection seat 46, the inscribed circle diameter of hexagonal prism is greater than right end cylinder
Body diameter, right end cylinder diameter are greater than left end cylinder diameter；46 hexagonal prism both ends of Brake lamp erection seat are respectively arranged with one
A ring groove；Screw thread is respectively arranged on 46 two cylindrical bodies of Brake lamp erection seat；Brake lamp electric installation 52 is provided with two
The cylindrical body of a coaxial different-diameter；52 left end cylinder diameter of Brake lamp electric installation is greater than right end cylinder diameter；System
Dynamic 52 left end cylindrical body of lamp electric installation matches with 46 blind hole internal diameter of Brake lamp erection seat；52 right end of Brake lamp electric installation circle
Cylinder matches with 47 internal diameter of Brake lamp device spring；Brake lamp electric installation 52 is mounted in 46 blind hole of Brake lamp erection seat；
52 right end cylindrical body of Brake lamp electric installation and 47 inside of Brake lamp device spring are tangent；47 left side of Brake lamp device spring with
52 left end cylindrical body right end face contact of Brake lamp electric installation；It is left that second shackle 44 is mounted on 46 blind hole of Brake lamp erection seat
In the ring groove of side；Second shackle, 44 right side and 52 left end face contact of Brake lamp electric installation；Brake lamp erection seat 46
It is connect by left end cylindrical body screw thread with the 41 upper right end threaded hole of lower case in lower casing body device 36；Brake lamp erection seat 46
It is in sealing contact by the 5th combination sealing washer 45 and lower case 41.
Inlet seal performance test and admission pressure test it is as follows with admission pressure acquisition mode: 4 upper end of brake pushrod and
Brake treadle mechanism contact；When brake pedal mechanism is not without braking by driver, brake pushrod 4 is not moved, at this time
Inlet seal performance test can be carried out, the second pressure limiting valve pressure regulation bar 29 can also be carried out and adjust and limit input high pressure gas pressure
Force value and first pressure sensor device 43 acquire real-time pressure data and feed back to brake system control unit.
When driver's brake pedal mechanism is braked, brake pushrod 4 moves downward while compressing big equilibrium bomb
Spring 7 and small balancing spring 8, big balancing spring 7 and small balancing spring 8 push down on brake piston 9 simultaneously, and brake piston 9 is downward
Motion compresses diaphragm clamps disk return spring 19, and the core bar in 9 lower end of brake piston, which moves downward, pushes air inlet rubber valve 38 open,
High pressure gas enters from air inlet plug screw 39, after air inlet rubber valve 38, gives using the output of air brake valve outlet plug screw 53
Executive component is braked；Meanwhile the high pressure gas after air inlet rubber valve 38 pushes Brake lamp electric installation 52 to the right
Movement is contacted with Brake lamp device cathode stud 48 and Brake lamp device anode stud 50, and Brake lamp is bright.
When driver loosens the brake mechanism releases braking, high pressure gas and diaphragm clamp disk return spring 19 simultaneously
Brake piston 9 is pushed to move upwards, brake piston 9 pushes big balancing spring 7 and small balancing spring 8, big equilibrium bomb simultaneously upwards
Spring 7 and small balancing spring 8 push brake pushrod 4 to move upwards simultaneously, the core bar in 9 lower end of brake piston and air inlet rubber valve
Exhaust valve port is opened in 38 separation, and the high pressure gas that when braking uses is from cylindrical hole on 9 axial line of brake piston by third noise elimination
Device device 55 is discharged into atmosphere, realizes and releases braking；Meanwhile Brake lamp device spring 47 pushes Brake lamp electric installation 52 to moving to left
Dynamic, Brake lamp electric installation 52 is separated with Brake lamp device cathode stud 48 and Brake lamp device anode stud 50, and Brake lamp goes out.
Agricultural traction engine trailer diaphragm type air brake valve apparatus structure is compact, cost is relatively low, braking diaphragm device will be into row
Gas valve core it is integrated in installation and use with upper casing body device, lower casing body device, big balancing spring, small balancing spring, film
Piece clamping disk return spring is coaxial, and sealing performance significantly improves, and improves the static characteristic and dynamic characteristic of air brake valve device；
Muffler is used to reduce exhaust noise of the pressure more than limit value or when releasing braking, reduces environmental pollution；Pressure sensing
Device device feeds back to brake system control unit for acquiring real-time pressure data, and control precision is high, and braking ability is good；It ensure that
The traffic safety of agricultural traction engine unit.
Claims (5)
1. agricultural traction engine trailer diaphragm type air brake valve device, comprising: upper casing body device (1), braking diaphragm device (22), under
Casing device (36), Brake lamp device (51)；It is characterized by: upper casing body device (1) passes through the upper casing in upper casing body device (1)
The lower thread of body (6) is connect with the threaded upper ends of the lower case (41) in lower casing body device (36)；Under upper housing (6) passes through
Retaining ring (20) and lower case (41) in casing device (36) are locked；Upper housing (6) lower end surface passes through braking diaphragm device
(22) the rubber seal diaphragm (18) and lower case (41) upper surface in are in sealing contact；Braking diaphragm device (22) is mounted on upper casing
Body device (1) and lower casing body device (36) are internal；Brake lamp device (51) is mounted on lower casing body device (36) outside, passes through braking
The 5th combination sealing washer (45) in lamp device (51) is connect with lower case (41), and with the gas system in lower casing body device (36)
Second pressure sensor device (56) in dynamic valve outlet plug screw (53) and lower casing body device (36) is vertical in same level
Arrangement；It is dilatory that the first limiting valve body (26) in Brake lamp device (51) and braking diaphragm device (22) is arranged in agricultural
Machine trailer diaphragm type air brake valve device two sides；Second pressure sensor device (56) and air brake valve outlet plug screw (53) are respectively
It is arranged in agricultural traction engine trailer diaphragm type air brake valve device two sides；First pressure sensor dress in lower casing body device (36)
It sets the second limiting valve body (33) in (43) and lower casing body device (36) and is arranged in agricultural traction engine trailer diaphragm type gas
Braking valve unit two sides.
2. agricultural traction engine trailer diaphragm type air brake valve device according to claim 1, it is characterised in that: upper housing dress
Set (1), comprising: the first shackle (2), balancing spring pre-tighten screw rod (3), brake pushrod (4), star sealing ring (5), upper casing
Body (6), big balancing spring (7), small balancing spring (8), third muffler (55)；In brake pushrod (4) vertical central lines
It is provided with a threaded hole；Brake pushrod (4) vertical central lines upper screwed hole and balancing spring pre-tighten screw rod (3) upper section cylindrical body
Screw thread matches；Upper end is provided with a ring groove in brake pushrod (4) threaded hole；First shackle (2) is mounted on system
In dynamic push rod (4) threaded hole ring groove；Cylindrical body there are two coaxial different-diameter is set outside brake pushrod (4), on
Cylinder diameter is held to be less than lower end cylinder diameter；Brake pushrod (4) upper end is stretched out from upper housing (6) upper end center hole, braking
Push rod (4) lower end cylindrical body upper surface and upper housing (6) inner upper end centre bore lower end face contact；Brake pushrod (4) passes through star
Shape sealing ring (5) and upper housing (6) are in sealing contact；Balancing spring pre-tightens screw rod (3) axial line upper and lower side and is provided with a cylinder
Blind hole；Balancing spring pre-tightens screw rod (3) lower end cylinder blind hole and matches with small balancing spring (8) outer diameter；Small balancing spring (8) is inserted
Enter balancing spring and pre-tightens tangent on the inside of the cylinder blind hole of screw rod (3) lower end, small balancing spring (8) upper surface and balancing spring preload spiral shell
The contact of bar (3) lower end cylinder blind via bottom end face；Braking in small balancing spring (8) lower end surface and braking diaphragm device (22) is living
Fill in the contact of (9) upper end cylindrical hole bottom end face；Balancing spring, which pre-tightens, is provided with the perpendicular of three sections of coaxial different-diameters outside screw rod (3)
Right circular cylinder, wherein middle section cylinder diameter is greater than lower section cylinder diameter, and it is straight that lower section cylinder diameter is greater than upper section cylindrical body
Diameter；Balancing spring pre-tightens and is provided with screw thread on screw rod (3) upper section cylindrical body；Balancing spring pre-tightens screw rod (3) upper section cylindrical body spiral shell
Line is connect with brake pushrod (4) threaded hole；Balancing spring pre-tightens screw rod (3) upper surface and connects with the first shackle (2) lower end surface
Touching；Balancing spring pre-tightens screw rod (3) lower section cylindrical body and matches with big balancing spring (7) internal diameter；Balancing spring pre-tightens screw rod (3)
Tangent on the inside of the big balancing spring (7) of lower section cylindrical body insertion, middle section cylindrical body lower end surface connects with big balancing spring (7) upper surface
Touching；Brake piston (9) upper end ring-shaped cylinder blind via bottom end in big balancing spring (7) lower end surface and braking diaphragm device (22)
Face contact；Cylindrical hole and a tapped blind hole there are two being arranged in upper housing (6) vertical central lines, two cylindrical holes and a spiral shell
Line blind hole is coaxial, and wherein upper end cylinder bore diameter is less than intermediate cylindrical bore dia, and it is blind that intermediate cylindrical bore dia is less than lower thread
Bore dia；An o-ring groove is provided in the cylindrical hole of upper housing (6) upper end；Star sealing ring (5) is mounted on upper housing (6)
In the cylindrical hole o-ring groove of upper end；A horizontal threaded bore is provided in the middle part of upper housing (6)；Upper housing (6) tapped blind hole bottom
On end surface, the downwardly projecting annulus of the coaxial different-diameter of uniformly distributed three cross section equal semi-circles shapes；Upper housing (6) screw thread is blind
On rubber seal diaphragm (18) external margin in three downwardly projecting annulus on the bottom end face of hole, with braking diaphragm device (22)
Three equal ring grooves in cross section on surface match；There are two coaxial different-diameters for setting outside upper housing (6)
Cylindrical body, upper end cylinder diameter are less than lower end cylinder diameter；There are two the settings of upper housing (6) upper end cylindrical body middle upper portion
With the symmetrical horizontal rectangular plate of vertical central；It is set respectively on the longitudinally asymmetric face of (6) two horizontal rectangular plates of upper housing
It is equipped with a rectangular recess；(6) two horizontal rectangular plate lower ends of upper housing are evenly distributed with a triangle reinforcing rib respectively；Third disappears
Sound device device (55) is mounted on the horizontal threaded bore in the middle part of upper housing (6)；Brake the brake piston (9) in diaphragm device (22)
Upper end is inserted into upper housing (6) central cylindrical bore；Upper housing (6) is enclosed by the first lattice in braking diaphragm device (22)
(11), brake diaphragm device (22) in the second lattice come enclose (13), braking diaphragm device (22) in third lattice come enclose (15) with
The brake piston (9) braked in diaphragm device (22) is in sealing contact；Upper housing (6) lower end passes through tapped blind hole and lower casing body device
(36) lower case (41) the threaded upper ends connection in；Upper housing (6) lower thread blind via bottom end face passes through braking diaphragm device
(22) the rubber seal diaphragm (18) and lower case (41) upper surface in are in sealing contact；Upper housing (6) lower end is filled by lower case
The retaining ring (20) and lower case (41) set in (36) are locked；Two horizontal rectangular plates of upper housing (6) middle upper portion successively lead to
Bolt, spring washer, plain washer and dilatory machine bottom board is crossed to be spirally connected.
3. agricultural traction engine trailer diaphragm type air brake valve device according to claim 1, it is characterised in that: braking diaphragm
Device (22), comprising: brake piston (9), the first O-ring seals (10), the first lattice come enclose (11), the second O-ring seals (12),
Second lattice come enclose (13), third O-ring seals (14), third lattice come enclose (15), diaphragm clamp disk (16), strength canvas core
(17), rubber seal diaphragm (18), diaphragm clamp disk return spring (19), the first combination sealing washer (21), the first pressure limiting valve
Spring (23), the first pressure limiting valve pressure regulation bar (24), the first locking nut (25), the first limiting valve body (26), the first sliding spool
(27), the first muffler ASSY (28)；Cylindrical hole and an annular there are two being respectively set in brake piston (9) vertical central lines
Cylinder blind hole, two cylindrical holes and a ring-shaped cylinder blind hole are coaxial；Brake piston (9) upper end ring-shaped cylinder blind hole diameter is greater than
Upper end cylinder bore diameter, upper end cylinder bore diameter are greater than lower end cylinder bore diameter；Brake piston (9) upper end ring-shaped cylinder blind hole with
Big balancing spring (7) outer diameter in upper casing body device (1) matches；Big balancing spring (7) insertion brake piston (9) upper end annular
Tangent on the inside of cylinder blind hole, brake piston (9) upper end ring-shaped cylinder blind via bottom end face connects with big balancing spring (7) lower end surface
Touching；Brake piston (9) upper end cylindrical hole matches with small balancing spring (8) outer diameter in upper casing body device (1)；Small balancing spring
(8) tangent, brake piston (9) upper end cylindrical hole bottom end face and small equilibrium bomb on the inside of insertion brake piston (9) upper end cylindrical hole
Spring (8) lower end face contact；The vertical cylinder body of three sections of coaxial different-diameters is provided with outside brake piston (9), wherein upper section
Cylinder diameter is greater than middle section cylinder diameter, and middle section cylinder diameter is greater than lower section cylinder diameter；Brake piston (9) middle section
Screw thread is provided on cylindrical body；There are three uniformly distributed o-ring grooves for the setting of brake piston (9) upper section cylindrical outer；First O
Shape sealing ring (10), the first lattice come enclose (11), the second O-ring seals (12), the second lattice enclose (13), third O-ring seals
(14), third lattice are sequentially arranged in three uniformly distributed o-ring grooves of brake piston (9) upper section cylindrical outer to enclose (15)；
First O-ring seals (10), the second O-ring seals (12), third O-ring seals (14) are sequentially arranged on brake piston (9)
Cylindrical outer three uniformly distributed o-ring groove bottoms of section；First lattice come enclose (11), the second lattice come enclose (13), third lattice enclose
(15) it is sequentially arranged in three uniformly distributed o-ring grooves of brake piston (9) upper section cylindrical outer, it is close with the first O shape respectively
Seal (10), the second O-ring seals (12), third O-ring seals (14) are in sealing contact；Brake piston (9) is inserted into upper housing dress
Set the upper housing (6) in (1), lower case (41) inner cavity in lower casing body device (36)；Brake piston (9) is enclosed by the first lattice
(11), the second lattice are in sealing contact to enclose (15) and upper housing (6) to enclose (13), third lattice；Core bar in brake piston (9) lower end
It is inserted into lower case (41) intermediate inner hole；Between core bar excircle in brake piston (9) lower end and lower case (41) inner periphery
Gap is communicated with the air brake valve outlet plug screw (53) in lower casing body device (36)；Core bar inner hole in brake piston (9) lower end
It is communicated with the third muffler (55) in upper casing body device (1)；Always locate piston upper surface in brake piston (9) upper end
Below in air brake valve third muffler (55)；The cylindrical body screw thread and diaphragm in brake piston (9) middle section clamp disk (16)
Threaded hole matches；A cylindrical hole is provided in strength canvas core (17) vertical central lines；Strength canvas core (17) setting exists
In circular rubber seal diaphragm (18)；Rubber seal diaphragm (18) lower part is circular open plane, in rubber seal diaphragm
(18) distribution of Y shape annular shape is presented in inner part interface, rubber seal diaphragm (18) upper inside surface and lower inner surface；Rubber
On the upper surface for sealing diaphragm (18) external margin, the downward circle of the coaxial different-diameter of uniformly distributed three cross section equal semi-circles shapes
Ring groove；On the lower surface of rubber seal diaphragm (18) external margin, the coaxial difference of uniformly distributed three cross section equal semi-circles shapes
The upward ring groove of diameter；Uniformly distributed three downward ring grooves on the upper surface of rubber seal diaphragm (18) external margin,
Three downward chime rings are evenly distributed with upper housing (6) tapped blind hole bottom end face to match；Rubber seal diaphragm (18) is external
Uniformly distributed three upward ring grooves, are evenly distributed in the upper surface three upward chime rings with lower case (41) on the lower surface at edge
Match；Rubber seal diaphragm (18) is mounted in the crack of upper housing (6) and lower case (41) junction；Diaphragm clamps disk
(16) threaded hole is threadedly coupled with the cylindrical body in brake piston (9) middle section for being sandwiched between rubber seal diaphragm (18)；Diaphragm folder
Tight disk (16) upper surface is plane；Diaphragm clamps setting on the cylindrical body of disk (16) lower end, and there are two symmetrical flat with vertical central
Face；Diaphragm clamps and is respectively arranged with a threaded hole and a ring-shaped cylinder blind hole in disk (16) vertical central lines, threaded hole and
Ring-shaped cylinder blind hole is coaxial；Diaphragm clamps disk (16) ring-shaped cylinder blind hole diameter and is greater than screw thread bore dia；Diaphragm clamps disk (16)
Ring-shaped cylinder blind hole clamps disk return spring (19) outer diameter with diaphragm and matches；Diaphragm clamps disk return spring (19) and is inserted into diaphragm
Clamp tangent on the inside of the ring-shaped cylinder blind hole of disk (16) lower end, diaphragm clamping disk return spring (19) upper surface and diaphragm clamping disk
(16) lower end ring-shaped cylinder blind via bottom end face contacts；Diaphragm clamps disk return spring (19) lower end surface and lower case (41) upper end
The contact of ring-shaped cylinder blind via bottom end face；There are two the cylinders of coaxial different-diameter for setting outside first limiting valve body (26)
Body, wherein left end cylinder diameter is greater than right end cylinder diameter；It is provided on first limiting valve body (26) right end cylindrical body
Screw thread；First limiting valve body (26) right end cylindrical body bottom of thread is provided with a ring groove；First limiting valve body
(26) the left end cylindrical body left side setting there are two with the symmetrical horizontal groove in axle center；First limiting valve body (26) horizontal axis
The cylindrical hole there are two coaxial different-diameter is respectively set on line, wherein it is straight to be greater than right end cylindrical hole for left end cylinder bore diameter
Diameter；First limiting valve body (26) left end cylindrical hole bottom is provided with a toroidal cavity；First limiting valve body (26) is left
Screw thread is provided in the cylindrical hole of end；A screw thread vertically downward is provided on the right of the cylindrical body of first limiting valve body (26) left end
Hole；First limiting valve body (26) is connect by right end cylindrical body screw thread with lower case (41) upper left end threaded hole；First limit
Pressure valve shell (26) is in sealing contact by the first combination sealing washer (21) and lower case (41)；First muffler ASSY (28) is logical
The first muffler ASSY (28) threaded upper ends are crossed, with the spiral shell of the right vertically downward on the cylindrical body of the first limiting valve body (26) left end
Pit connection；First sliding spool (27) is a cylindrical body；Left end is provided with one on first sliding spool (27) horizontal axis line
Cylinder blind hole；Left end cylinder blind hole and the first pressure valve spring (23) outer diameter phase on first sliding spool (27) horizontal axis line
Match；It is tangent on the inside of the cylinder blind hole of left end on first pressure valve spring (23) insertion the first sliding spool (27) horizontal axis line, first
Pressure valve spring (23) right side is contacted with left end cylinder blind via bottom end face on the first sliding spool (27) horizontal axis line；First
Right end is provided with a blind hole on pressure limiting valve pressure regulation bar (24) horizontal axis line；First pressure limiting valve pressure regulation bar (24) horizontal axis line
Upper right end blind hole matches with the first pressure valve spring (23) outer diameter；First pressure valve spring (23) is inserted into the first pressure limiting valve pressure regulation
It is tangent on the inside of right end blind hole on bar (24) horizontal axis line, the first pressure valve spring (23) left side and the first pressure limiting valve pressure regulation bar
(24) right end blind via bottom end face contacts on horizontal axis line；Screw thread is provided on first pressure limiting valve pressure regulation bar (24) cylindrical body；
A cross groove perpendicular to horizontal axis line section is provided with outside first pressure limiting valve pressure regulation bar (24) left end；First limit
Pressure valve pressure regulation bar (24) is connect by cylindrical body screw thread with the first limiting valve body (26) left end threaded hole；First pressure limiting valve pressure regulation
Bar (24) is locked by the first locking nut (25) and the first limiting valve body (26).
4. agricultural traction engine trailer diaphragm type air brake valve device according to claim 1, it is characterised in that: lower case dress
Set (36), comprising: retaining ring (20), the second pressure limiting valve pressure regulation bar (29), the second locking nut (30), the second pressure valve spring
(31), the second sliding spool (32), the second limiting valve body (33), the second muffler (34), the second combination sealing washer
(35), air inlet rubber valve return spring (37), air inlet rubber valve (38), air inlet plug screw (39), third combination sealing washer
(40), lower case (41), the 4th combination sealing washer (42), first pressure sensor device (43), air brake valve outlet plug screw
(53), the 6th combination sealing washer (54), second pressure sensor device (56), the 7th combination sealing washer (57)；Lower case
(41) the upward chime rings of the coaxial different-diameter of uniformly distributed three cross section equal semi-circles shapes on upper surface；In lower case (41)
Uniformly distributed three annulus protruding upward on surface, it is recessed with three annulus uniformly distributed on the lower surface of rubber seal diaphragm (18) external margin
Slot matches；A cylindrical hole and two ring-shaped cylinder blind holes, a circle are respectively arranged in lower case (41) vertical central lines
Post holes and two ring-shaped cylinder blind holes are coaxial；Lower case (41) upper end ring-shaped cylinder blind hole diameter is greater than lower end ring-shaped cylinder blind hole
Diameter；Lower case (41) lower end ring-shaped cylinder blind hole diameter is greater than cylinder bore diameter；Lower case (41) lower end ring-shaped cylinder blind hole
Lower part is provided with screw thread；There are four horizontal uniformly distributed threaded holes for the setting of lower case (41) top；Lower case (41) lower part is provided with two
A horizontal uniformly distributed threaded hole；Film in lower case (41) upper end ring-shaped cylinder blind hole mediate cylindrical and braking diaphragm device (22)
Piece clamps disk return spring (19) internal diameter and matches；Lower case (41) upper end ring-shaped cylinder blind hole mediate cylindrical is inserted into diaphragm folder
It is tangent on the inside of tight disk return spring (19)；Lower case (41) upper end ring-shaped cylinder blind via bottom end face and diaphragm clamp disk return bullet
Spring (19) lower end face contact；Lower case (41) external cylinder upper end is provided with screw thread；Lower case (41) passes through cylindrical body upper end
Screw thread is threadedly coupled with upper housing (6) lower end cylindrical hole in upper casing body device (1)；Lower case (41) passes through braking diaphragm device
(22) the rubber seal diaphragm (18) and upper housing (6) in are in sealing contact；Lower case (41) passes through retaining ring (20) and upper housing
(6) it locks；Lower case (41) upper left end threaded hole passes through the first combination sealing washer (21) in braking diaphragm device (22)
It is connect with the first limiting valve body (26) in braking diaphragm device (22)；Lower case (41) upper right end threaded hole passes through braking
The 5th combination sealing washer (45) in lamp device (51) is connect with the Brake lamp erection seat (46) in Brake lamp device (51)；Under
Shell (41) upper back threaded hole is threadedly coupled by the 6th combination sealing washer (54) with air brake valve outlet plug screw (53)；
Lower case (41) upper front threaded hole passes through the 7th combination sealing washer (57) and second pressure sensor device (56) screw thread
Connection；Lower case (41) lower part right end threaded hole passes through the 4th combination sealing washer (42) and first pressure sensor device (43)
It is threadedly coupled；Air inlet rubber valve (38) is rubber parts；It is disk at the top of air inlet rubber valve (38)；Air inlet rubber valve
(38) lower edge round ring boss is lower than central circular boss；Air inlet rubber is inserted into air inlet rubber valve return spring (37) upper end
In the annular groove of glue valve (38) lower end, and with cylindrical surface inscribe；Air inlet rubber valve return spring (37) outer diameter and air inlet
Plug screw (39) lower end cylindrical hole matches；Air inlet rubber valve return spring (37) is inserted into the cylindrical hole of air inlet plug screw (39) lower end
Side is tangent, air inlet rubber valve return spring (37) lower end surface and air inlet plug screw (39) upper end face contact；Air inlet plug screw (39) is logical
Third combination sealing washer (40) is crossed to connect with lower case (41)；Air inlet plug screw (39) lower end is connect with high pressure admission pipeline；The
There are two the cylindrical bodies of coaxial different-diameter for setting outside two limiting valve bodies (33), and wherein left end cylinder diameter is greater than the right side
Hold cylinder diameter；Screw thread is provided on second limiting valve body (33) right end cylindrical body；Second limiting valve body (33) right end
The cylindrical body bottom of thread is provided with a ring groove；Second limiting valve body (33) left end cylindrical body left side setting there are two with
The symmetrical horizontal groove of horizontal axis；There are two being respectively set on second limiting valve body (33) horizontal axis line coaxially not
With the cylindrical hole of diameter, wherein left end cylinder bore diameter is greater than right end cylinder bore diameter；Second limiting valve body (33) left end circle
Post holes bottom is provided with a toroidal cavity；Screw thread is provided in the cylindrical hole of second limiting valve body (33) left end；Second limit
A threaded hole vertically downward is provided on the right of the cylindrical body of pressure valve shell (33) left end；Second limiting valve body (33) passes through the right side
End cylindrical body screw thread is connect with lower case (41) lower part left end threaded hole；Second limiting valve body (33) passes through the second combination sealing
Washer (35) and lower case (41) are in sealing contact；Second muffler (34) passes through the second muffler (34) threaded upper ends
It is connect with the threaded hole of the right vertically downward on the cylindrical body of the second limiting valve body (33) left end；Second sliding spool (32) is one
Cylindrical body；Left end is provided with a cylinder blind hole on second sliding spool (32) horizontal axis line；Second sliding spool (32) trunnion axis
Cylinder blind hole in left end matches with the second pressure valve spring (31) outer diameter on heart line；Second pressure valve spring (31) insertion second is sliding
It is tangent on the inside of the cylinder blind hole of left end on spool (32) horizontal axis line, the second pressure valve spring (31) right side and the second sliding spool
(32) left end cylinder blind via bottom end face contacts on horizontal axis line；Right end on second pressure limiting valve pressure regulation bar (29) horizontal axis line
It is provided with a blind hole；Right end blind hole and the second pressure valve spring (31) are outside on second pressure limiting valve pressure regulation bar (29) horizontal axis line
Diameter matches；Second pressure valve spring (31) is inserted on second pressure limiting valve pressure regulation bar (29) horizontal axis line phase on the inside of right end blind hole
It cuts, right end blind via bottom end face on the second pressure valve spring (31) left side and second pressure limiting valve pressure regulation bar (29) horizontal axis line
Contact；Screw thread is provided on second pressure limiting valve pressure regulation bar (29) cylindrical body；Setting outside second pressure limiting valve pressure regulation bar (29) left end
There is a cross groove perpendicular to horizontal axis line section；Second pressure limiting valve pressure regulation bar (29) passes through cylindrical body screw thread and the
The connection of two limiting valve bodies (33) left end threaded hole；Second pressure limiting valve pressure regulation bar (29) passes through the second locking nut (30) and second
Limiting valve body (33) locking.
5. agricultural traction engine trailer diaphragm type air brake valve device according to claim 1, it is characterised in that: Brake lamp dress
Set (51), comprising: the second shackle (44), the 5th combination sealing washer (45), Brake lamp erection seat (46), Brake lamp device
Spring (47), Brake lamp device cathode stud (48), water proof and dust proof protective cover (49), Brake lamp device anode stud (50), system
Dynamic lamp electric installation (52)；Screw thread is provided on Brake lamp device cathode stud (48) cylindrical body；Brake lamp device anode stud
(50) screw thread is provided on cylindrical body；Brake lamp device cathode stud (48), Brake lamp device anode stud (50) are put into simultaneously
Brake lamp erection seat (46) are injection molded to by injection molding machine in mold；It is being braked respectively after Brake lamp erection seat (46) injection molded
It is each on lamp device cathode stud (48) right end threaded cylinder and on Brake lamp device anode stud (50) right end threaded cylinder
Two connection electric wire locking nuts are installed；Water proof and dust proof protective cover (49) is mounted on Brake lamp erection seat (46)；Brake lamp dress
It sets left end on seat (46) horizontal axis line and is provided with a blind hole；Brake lamp erection seat (46) left end blind via bottom is provided with one
Cylinder boss；Brake lamp erection seat (46) blind hole and cylinder boss are coaxial；Brake lamp erection seat (46) blind hole left side is provided with one
A ring groove；Brake lamp erection seat (46) blind via bottom cylinder boss matches with Brake lamp device spring (47) internal diameter；System
It is tangent on the inside of dynamic lamp erection seat (46) blind via bottom cylinder boss insertion Brake lamp device spring (47)；Brake lamp device spring
(47) right side is contacted with Brake lamp erection seat (46) left end blind via bottom end face；It is respectively set outside Brake lamp erection seat (46)
There are two cylindrical body and a hexagonal prism, the inscribed circle diameter of hexagonal prism is greater than right end cylinder diameter, right end cylinder diameter
Greater than left end cylinder diameter；Brake lamp erection seat (46) hexagonal prism both ends are respectively arranged with a ring groove；Brake lamp dress
It sets and is respectively arranged with screw thread on (46) two cylindrical bodies of seat；There are two coaxial different-diameters for Brake lamp electric installation (52) setting
Cylindrical body；Brake lamp electric installation (52) left end cylinder diameter is greater than right end cylinder diameter；Brake lamp electric installation
(52) left end cylindrical body matches with Brake lamp erection seat (46) blind hole internal diameter；Brake lamp electric installation (52) right end cylindrical body with
Brake lamp device spring (47) internal diameter matches；Brake lamp electric installation (52) is mounted in Brake lamp erection seat (46) blind hole；
Brake lamp electric installation (52) right end cylindrical body and Brake lamp device spring (47) inside are tangent；Brake lamp device spring (47) is left
End face and Brake lamp electric installation (52) left end cylindrical body right end face contact；Second shackle (44) is mounted on Brake lamp device
In the ring groove of seat (46) blind hole left side；Second shackle (44) right side connects with Brake lamp electric installation (52) left side
Touching；Brake lamp erection seat (46) passes through lower case (41) upper right end spiral shell in left end cylindrical body screw thread and lower casing body device (36)
Pit connection；Brake lamp erection seat (46) is in sealing contact by the 5th combination sealing washer (45) and lower case (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544840.9A CN109466529A (en) | 2018-12-17 | 2018-12-17 | Agricultural traction engine trailer diaphragm type air brake valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544840.9A CN109466529A (en) | 2018-12-17 | 2018-12-17 | Agricultural traction engine trailer diaphragm type air brake valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109466529A true CN109466529A (en) | 2019-03-15 |
Family
ID=65676302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811544840.9A Pending CN109466529A (en) | 2018-12-17 | 2018-12-17 | Agricultural traction engine trailer diaphragm type air brake valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109466529A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2101620U (en) * | 1991-08-31 | 1992-04-15 | 淄博汽车配件厂 | Brake valve for trailer of car |
| CN1699097A (en) * | 2005-04-20 | 2005-11-23 | 淄博龙达汽车配件制造有限公司 | Electrically controlled trailer brake valve |
| RU2406903C1 (en) * | 2009-09-17 | 2010-12-20 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") | Reducing valve |
| CN103072565A (en) * | 2013-02-16 | 2013-05-01 | 南阳理工学院 | Air brake valve for trailer of tractor |
| CN204978625U (en) * | 2015-08-26 | 2016-01-20 | 孙兆磊 | Multimode adaptation formula car arresting gear |
| CN205292618U (en) * | 2015-12-29 | 2016-06-08 | 南京浦镇海泰制动设备有限公司 | Multi -functional pressure control valve of automatically controlled formula |
| CN209381981U (en) * | 2018-12-17 | 2019-09-13 | 南阳理工学院 | Agricultural traction engine trailer diaphragm type air brake valve device |
-
2018
- 2018-12-17 CN CN201811544840.9A patent/CN109466529A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2101620U (en) * | 1991-08-31 | 1992-04-15 | 淄博汽车配件厂 | Brake valve for trailer of car |
| CN1699097A (en) * | 2005-04-20 | 2005-11-23 | 淄博龙达汽车配件制造有限公司 | Electrically controlled trailer brake valve |
| RU2406903C1 (en) * | 2009-09-17 | 2010-12-20 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") | Reducing valve |
| CN103072565A (en) * | 2013-02-16 | 2013-05-01 | 南阳理工学院 | Air brake valve for trailer of tractor |
| CN204978625U (en) * | 2015-08-26 | 2016-01-20 | 孙兆磊 | Multimode adaptation formula car arresting gear |
| CN205292618U (en) * | 2015-12-29 | 2016-06-08 | 南京浦镇海泰制动设备有限公司 | Multi -functional pressure control valve of automatically controlled formula |
| CN209381981U (en) * | 2018-12-17 | 2019-09-13 | 南阳理工学院 | Agricultural traction engine trailer diaphragm type air brake valve device |
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