CN206141529U - Three linkage cocks - Google Patents

Abstract

The utility model relates to a three linkage cocks, including electric switch subassembly (1) and six logical cocks, six six logical cocks are connected with electric switch subassembly (1). Compared with the prior art, the utility model beneficial effect be: on the one hand, be six logical cocks with two for two cock or two the tee bend cock optimal designs that are used for the pneumatic braking system among the prior art to but realize the switch -on of three gas circuits of an electric switch simultaneous control and cut off work, convenient to use, on the other hand for the global architecture of pneumatic braking system is simpler and compact, through setting up the independent air inlet and the gas outlet separately of three independent cavity has more humanized operating feature at the alternative use in -process in six logical cocks.

Description

Three linkage cocks

Technical field

This utility model is related to the cock for Pneumatic brake systems, more particularly to a kind of three linkages cock.

Background technology

For Pneumatic brake systems cock in the system pipeline be responsible for control be switched on and off gas circuit, existing institute State cock employing is typically all 2/2-way cock or two-bit triplet cock, and resulting technological deficiency is to carry to establish by cable Closing the 2/2-way cock or two-bit triplet cock of component can only control being switched on and off for gas circuit, and the sky A plurality of gas circuit is generally comprised in air braking system, being switched on and off of every gas circuit needs each electricity by prior art arrangement Switch module is intended to individually be equipped with a 2/2-way cock or two-bit triplet cock, and this structure design causes totality Complex structure, install and use extremely inconvenience and economy it is not good.

The Chinese invention patent of Patent No. ZL201210527785.9 discloses a kind of air control unit and funnel goods Car, wherein air control unit include：Control chamber, storage reservoir, travel switch, two position-5 way valves, air control reversal valve, three 5 way valve, shuttle valve, 2/2-way electromagnetic valve, air motor, hydraulic pump and hydraulic jack；Two of two position-5 way valves Communicating position corresponds to respectively tie point and the second branch road；Wherein, when the chamber door of the control chamber is opened, at the travel switch In connection position, two position-5 way valves disconnect tie point, open the second branch road；3 position-5 way valve is controlled manually, to control Hydraulic jack processed it is flexible；When the chamber door of control chamber is closed, travel switch is described in position, the connection of two position-5 way valves is disconnected Tie point, disconnects the second branch road；The flexible of hydraulic jack is automatically controlled by air control reversal valve.Above-mentioned air control unit, The self interlocking of two branch roads can be realized, the safety of air control unit is improve.But due to stroke described in the invention Switch is connected with two position-5 way valves, therefore can only control being switched on and off for two gas circuits, it is impossible to while controlling three More than gas circuit be switched on and off, therefore the population structure of the air control unit still suffer from complexity, using inconvenience and Jing The Ji property defect such as poor, it would be highly desirable to improve.

Utility model content

For the technological deficiency that the cock for solving above-mentioned existing Pneumatic brake systems is present, the technology that this utility model is adopted Scheme is as follows：

Three linkage cocks, including electric switch unit and six clematis stem cocks, six clematis stem cocks and the electric switch Component is connected.

Preferably, six clematis stem cocks include valve body, and the valve inner is provided with cavity.

In any of the above-described scheme preferably, the cavity is set to three independent chambers.

In any of the above-described scheme preferably, each independent described within the chamber include the first circlip for hole, the One capping, rotating shaft, the first sealing ring, pressing plate, the first screw, valve rod, the second circlip for hole, gland, the second sealing ring, valve Gate seat, the 3rd sealing ring, sulfuration valve member, the first return spring, guide pin bushing, the 4th sealing ring and the second return spring.

In any of the above-described scheme preferably, three separate chambers are between the part for installing the rotating shaft It is interconnected, the pressing plate profile is strip, and forms solid with three valve rods simultaneously by three first screws Fixed connection.

In any of the above-described scheme preferably, each independent described chamber top is provided with output cavity, and its underpart is provided with Input cavity.

In any of the above-described scheme preferably, the output cavity and input cavity are located at the same side of the chamber.

In any of the above-described scheme preferably, it is installed with connecting seat in the end face outside of the output cavity and input cavity.

In any of the above-described scheme preferably, the connecting seat top is provided with gas outlet and gas outlet passage, the company Joint chair bottom is provided with air inlet and air intake passage, and the gas outlet passage is connected with the output cavity, and the air inlet leads to Road is connected with the input cavity.

In any of the above-described scheme preferably, the valve rod lower surface is valve rod valve port plane, the valve seat bottom Inside bottom is valve seat valve port plane, and the upper plane of the sulfuration valve member is sulfuration valve member sulfuration plane.

In any of the above-described scheme preferably, between the connecting seat and the output cavity and the end face outside of input cavity It is fastenedly connected by the second screw.

In any of the above-described scheme preferably, lead in the processing gas outlet on the top surface and one side of the connecting seat There are two processing technique holes during road, plug, the processing technique of the side are housed at the processing technique hole aperture of the top surface Equipped with the second capping at the aperture of hole, second closure skirt passes through the 3rd circlip for hole stationary positioned.

In any of the above-described scheme preferably, first sealing ring adopts square type sealing ring.

In any of the above-described scheme preferably, first screw adopts slotted cheese head screw.

In any of the above-described scheme preferably, second sealing ring and the 3rd sealing ring adopt O-ring seal.

In any of the above-described scheme preferably, the 4th sealing ring adopts K-type sealing ring.

In any of the above-described scheme preferably, source of the gas gas receiver is connected with the air inlet.

In any of the above-described scheme preferably, it is connected with exterior line at the gas outlet.

In any of the above-described scheme preferably, the valve body is shaped as cuboid.

This utility model beneficial effect compared with prior art is：On the one hand, air damping will be used in prior art The 2/2-way cock or two-bit triplet cock optimization design of system is six clematis stem cocks, so as to realize that an electric switch can Simultaneously three gas circuits of control are switched on and off work, easy to use；On the other hand so that the population structure of Pneumatic brake systems It is simpler and compact, by arranging each independent air inlet and outlet in described six clematis stem cocks, three separate chambers Mouthful so that have more hommization operation feature when selecting and using.

Description of the drawings

Fig. 1 is the front view of the preferred embodiment of three linkages cock of the present utility model；

Fig. 2 is that figure is cutd open on a left side for the embodiment illustrated in fig. 1 of three linkages cock of the present utility model；

Fig. 3 is the right view of the embodiment illustrated in fig. 1 of three linkages cock of the present utility model；

Fig. 4 be it is of the present utility model three linkage cock embodiment illustrated in fig. 1 in I partial enlargement structural representation.

Description of reference numerals：

1 electric switch unit；2 first sealing rings；3 first circlip for holes；4 first cappings；5 rotating shafts；6 pressing plates；7 block up Head；8 first screws；9 valve rods；10 second circlip for holes；11 glands；12 second sealing rings；13 valve seats；14 the 3rd sealings Circle；15 sulfuration valve members；16 first return springs；17 guide pin bushings；18 the 4th sealing rings；19 second return springs；20 valve bodies；21 Second screw；22 connecting seats；23 second cappings；24 the 3rd circlip for holes；9a valve rod valve port planes；13a valve seat valve ports Plane；15a sulfuration valve member sulfuration planes；41 air inlets；42 gas outlets；101 air intake passages；102 gas outlet passages； 103 input cavities；104 output cavities.

Specific embodiment

The present embodiment is only an optimal technical scheme, wherein each involved parts composition and annexation are not Following this kind of embodiment being limited to described by the embodiment, the setting and connection of each parts in the preferred version Relation can carry out arbitrary permutation and combination and form complete technical scheme.

As Figure 1-4, three linkage cock, including electric switch unit 1 and six clematis stem cocks, six clematis stem cocks It is connected with electric switch unit 1.Six clematis stem cocks include valve body 20, and cavity is provided with inside valve body 20, and the cavity sets For three independent chambers.Each independent described within the chamber is respectively provided with from top to bottom the first circlip for hole 3, the first envelope Lid 4, rotating shaft 5, the first sealing ring 2, pressing plate 6, the first screw 8, valve rod 9, the second circlip for hole 10, gland 11, second are close Seal 12, valve seat 13, the 3rd sealing ring 14, sulfuration valve member 15, the first return spring 16, guide pin bushing 17, the 4th sealing ring 18 and second return spring 19.Three separate chambers are interconnected between the part for installing rotating shaft 5, outside pressing plate 6 Shape is strip, and is formed a fixed connection with three valve rods 9 simultaneously by three the first screws 8.Each independent chamber Top is provided with output cavity 104, and its underpart is provided with input cavity 103, and output cavity 104 and input cavity 103 are located at the same of the chamber Connecting seat 22 is installed with the end face outside of side, output cavity 104 and input cavity 103.The top of connecting seat 22 is provided with the He of gas outlet 42 Gas outlet passage 102, the bottom of connecting seat 22 is provided with air inlet 41 and air intake passage 101, gas outlet passage 102 and output cavity 104 are connected, and air intake passage 101 is connected with input cavity 103.The lower surface of valve rod 9 be valve rod valve port plane 9a, valve seat 13 Lower inside bottom is valve seat valve port plane 13a, and the upper plane for vulcanizing valve member 15 is sulfuration valve member sulfuration plane 15a.It is fastenedly connected by the second screw 21 between the end face outside of connecting seat 22 and output cavity 104 and input cavity 103.Connecting seat There is two processing technique holes, the processing technique of the top surface in processing gas outlet passage 102 on 22 top surface and one side Plug 7 is housed, equipped with the second capping 23 at the processing technique hole aperture of the side, the outside of the second capping 23 passes through at the aperture of hole The stationary positioned of 3rd circlip for hole 24.First sealing ring 2 adopts square type sealing ring, and the first screw 8 is using fluting socket cap Screw, the second sealing ring 12 and the 3rd sealing ring 14 adopt O-ring seal, the 4th sealing ring 18 to adopt K-type sealing ring.Air inlet Source of the gas gas receiver is connected with 41, at gas outlet 42 exterior line is connected with.Valve body 20 is shaped as cuboid.

This utility model respectively pacifies three sulfuration valve members 15 and three guide pin bushings 17 and three the 4th sealing rings 18 It is mounted in three individual cavities in the inside of valve body 20, the first return spring 16 is arranged on into sulfuration valve in each individual cavities Between component 15 and guide pin bushing 17 so that the first return spring 16 is acted on all the time on sulfuration valve member and can effectively guaranteed and valve Sealing effectiveness between bar 9 or valve seat 13, also can guarantee that sulfuration valve member 15 in the return spring 16 of guide pin bushing 17 and first Collective effect under will not shift phenomenon.Additionally, valve seat 13 and gland 11 are fixedly mounted on the internal cavities phase of valve body 20 Answer position, and by the second sealing ring 12, the 3rd sealing ring 14, the 4th sealing ring 18 guarantee the sealing effectiveness of output cavity 104 in case Generation leakage phenomenon.

This utility model is used for Pneumatic brake systems, control is played a part of to the system pipeline and is switched on and off. In running, the control air pressure from main brake valve is acted on three valve rods 9 simultaneously, makes three valve rods 9 block position I.e. valve rod valve port plane 9a and sulfuration valve member sulfuration plane 15a contact position, limit positions i.e. valve rod valve port plane 9a With valve seat valve port plane 13a and sulfuration valve member sulfuration plane 15a contact position, via positions i.e. valve rod valve port put down Reciprocatingly slided between face 9a and sulfuration valve member sulfuration plane 15a phase separation position, so as to control three gas outlets 42 The output and cut-off of air pressure.

Implementation of the present utility model：When electric switch unit 1 rotates from off state toward path direction, by rotating shaft 5 rotating down pressing pressing plates 6, move to the limit positions, until valve rod from the position of blocking simultaneously so as to control three valve rods 9 Valve port plane 9a is contacted simultaneously with valve seat valve port plane 13a and sulfuration valve member sulfuration plane 15a, when electric switch unit 1 Continue to rotate, three valve rods 9 can also continue to motion predetermined stroke upwards, when valve rod valve port face 9a and sulfuration valve member vulcanize flat Face 15a is kept completely separate, and when reaching via positions, air inlet 41 reaches maximum diameter with gas outlet 42.

With reference to Fig. 2,4 explanations operation principle of the present utility model：When electric switch unit 1 is in off state, by turning The rotating down pressing pressing plate 6 of axle 5, so as to control three valve rods 9 while pushing down on three sulfuration valve members 15, due to now three Sulfuration valve member 15 is in downward oppressed state, therefore equal energy respectively between three valve rods 9 and three sulfuration valve members 15 Effectively sealing is realized, i.e., mutually isolated state is between input cavity 103 and output cavity 104；When electric switch unit 1 is in path During state, the location status between three valve rods 9 being arranged in juxtaposition and three sulfuration valve members 15 are with the off state just Well conversely, being in sealing station state between three valve seats 13 and three sulfuration valve members 15, now three vulcanize valve Do not exist between component 15 and three valve rods 9 and mutually interconnected between the input cavity of sealing effectiveness, i.e., three 103 and three output cavities 104 Logical state.

The circlip for hole is installed in circular hole, the axially-movable as securing part, the external diameter of this kind of back-up ring It is more slightly larger than assembling Circularhole diameter footpath.Circlip tongs must be used during installation, jaw is inserted in the pincers hole of back-up ring, clamp back-up ring, just can be put Enter pre-processed circular hole inside groove.

The square type sealing ring is typically mounted in the groove that cylindrical or inner circle upper section is rectangle and seals.

The another name of the plug plug screw, chock plug, glottal catch, in the media such as water, oil, vapour.Belong to machanical fastener One kind, simply blocks up unwanted mouth in pipeline, plays sealing process.There is homogeny with blind plate, end socket and pipe cap.According to The difference of screw thread is divided into：Metric system plug, plug made in Great Britain, plug made in U.S.A；It is divided into according to the difference of shape：Interior hexagonal plug, outer six Angle plug, taper thread plug, cubic plug；Plastic cap, the cold plug, plug of steel 45, stainless beaten are divided into according to the difference of material Steel plug, copper plug；It is divided into according to surface treatment difference：Send out blue plug, zinc-plated plug, nickel plating plug, chromium plating plug.This practicality Plug 7 in new can arbitrarily select as needed to use in above-mentioned all kinds of plugs.

The O-ring seal is mainly used in static seal and reciprocating movement sealing；When for rotary movement seal, it is only limitted to Low speed rotary seal.

The return spring is a kind of spring for making joint element return to position after thrust removal.

Claims (19)

1. three linkage cock, including electric switch unit（1）, it is characterised in that also including six clematis stem cocks, six clematis stem Cock and electric switch unit（1）It is connected.

2. it is as claimed in claim 1 three linkage cock, it is characterised in that six clematis stem cocks include valve body（20）, valve Body（20）Inside is provided with cavity.

3. it is as claimed in claim 2 three linkage cock, it is characterised in that the cavity is set to three independent chambers.

4. it is as claimed in claim 3 three linkage cock, it is characterised in that each independent described within the chamber include the first hole use Circlip（3）, first capping（4）, rotating shaft（5）, the first sealing ring（2）, pressing plate（6）, the first screw（8）, valve rod（9）, Two circlip for holes（10）, gland（11）, the second sealing ring（12）, valve seat（13）, the 3rd sealing ring（14）, sulfuration valve Component（15）, the first return spring（16）, guide pin bushing（17）, the 4th sealing ring（18）With the second return spring（19）.

5. it is as claimed in claim 4 three linkage cock, it is characterised in that three separate chambers install rotating shaft（5）'s It is interconnected between part, pressing plate（6）Profile is strip, and by three the first screws（8）Simultaneously with three valve rods （9）Form a fixed connection.

6. it is as claimed in claim 5 three linkage cock, it is characterised in that each independent described chamber top is provided with output cavity （104）, its underpart is provided with input cavity（103）.

7. it is as claimed in claim 6 three linkage cock, it is characterised in that output cavity（104）And input cavity（103）It is located at described The same side of chamber.

8. it is as claimed in claim 7 three linkage cock, it is characterised in that output cavity（104）And input cavity（103）Outboard end Connecting seat is installed with face（22）.

9. it is as claimed in claim 8 three linkage cock, it is characterised in that connecting seat（22）Top is provided with gas outlet（42）With go out QI KOU passage（102）, connecting seat（22）Bottom is provided with air inlet（41）And air intake passage（101）, gas outlet passage（102）With Output cavity（104）It is connected, air intake passage（101）With input cavity（103）It is connected.

10. it is as claimed in claim 4 three linkage cock, it is characterised in that valve rod（9）Lower surface is valve rod valve port plane （9a）, valve seat（13）Lower inside bottom is valve seat valve port plane（13a）, vulcanize valve member（15）Upper plane be sulfur Change valve member sulfuration plane（15a）.

11. three linkages cocks as claimed in claim 8, it is characterised in that connecting seat（22）With output cavity（104）And input cavity （103）End face outside between pass through the second screw（21）It is fastenedly connected.

12. three linkages cocks as claimed in claim 9, it is characterised in that connecting seat（22）Top surface and one side on plus Work gas outlet passage（102）When exist two processing technique holes, at the processing technique hole aperture of the top surface be equipped with plug（7）, Equipped with the second capping at the processing technique hole aperture of the side（23）, the second capping（23）Outside is by the 3rd hole elasticity gear Circle（24）Stationary positioned.

13. three linkages cocks as claimed in claim 4, it is characterised in that the first sealing ring（2）Using square type sealing ring.

14. three linkages cocks as claimed in claim 4, it is characterised in that the first screw（8）Using slotted cheese head screw.

15. three linkages cocks as claimed in claim 4, it is characterised in that the second sealing ring（12）With the 3rd sealing ring（14） Using O-ring seal.

16. three linkages cocks as claimed in claim 4, it is characterised in that the 4th sealing ring（18）Using K-type sealing ring.

17. three linkages cocks as claimed in claim 9, it is characterised in that air inlet（41）Place is connected with source of the gas gas receiver.

18. three linkages cocks as claimed in claim 9, it is characterised in that gas outlet（42）Place is connected with exterior line.

19. three linkages cocks as claimed in claim 2, it is characterised in that valve body（20）Be shaped as cuboid.