CN209325103U - One kind blowing bottle combined valve - Google Patents

Abstract

One kind blowing bottle combined valve, it is related to plastic bottle blowing manufacture field, it includes valve body, front mounting plate, it is arranged on front mounting plate and opens up leachy fixed plate, upper mounting plate, bottom mounting plate, side of the fixed plate far from valve body and four solenoid valves and core assembly with air inlet are set, perpendicular to being spaced setting on the direction where length of the solenoid valve in front mounting plate of valve body, solenoid valve includes the first linking arm and the second linking arm, second linking arm is provided with terminal box far from one end of the first linking arm, the accommodation groove for accommodating the second linking arm and terminal box is provided on the mounting plate of bottom, air inlet, stomata and core assembly are sequentially communicated, core assembly runs through front mounting plate and valve body, two neighboring core assembly is staggered in the length of front mounting plate and the direction at wide place.The above-mentioned balanced type main valve plug for blowing bottle combined valve by using the longitudinal section of big at both ends and small in middle for native font, realizes that main valve plug both ends stress is identical, and passes through volute spring and keep balancing.

Description

One kind blowing bottle combined valve

Technical field

The utility model relates to plastic bottle blowing manufacture fields, blow bottle combined valve in particular to one kind.

Background technique

After the industrial revolution, with the progress of society and the development of science and technology, more and more sci-tech products have poured in people's Life.The mankind are from the stone implement of ancient times, ironware and wooden utensil contain things, to plastics now.Plastic products enter life Living, the life for facilitating the mankind of increasing significantly increases the type and quantity of living utensil.In current daily storing, Plastic bottle increasingly has been favored by people because light, at low cost.In the production process of plastic bottle, bottle combination is blown Valve is a kind of important tool of production, and in the process of plastic bottle, being blown bottle combined valve and capable of advertising plastics makes its shape At the shape of bottle, using the plastic bottle that formation shape after cooling and shaping is fixed.

Tradition, which blows bottle combined valve, to have pre-blowing solenoid valve, blows solenoid valve, recycling solenoid valve and exhaust solenoid valve eventually.Above-mentioned four The important component of a solenoid valve includes spool, and traditional spool is unbalanced, is connected by cylindrical connecting portion and patty Socket part two parts composition.The longitudinal section of above-mentioned balanced type spool is T-type, and the diameter of patty interconnecting piece is greater than cylindrical connection The diameter in portion, and the two axle center is overlapped.The spool of such unbalanced realizes dynamic balance, the big pressure of area by difference in areas It is small, thus occupied space is bigger in valve body, can not realize that compactization designs, and it is big to further result in dead volume.

Utility model content

The purpose of this utility model is to provide one kind to blow bottle combined valve, by using the longitudinal section of big at both ends and small in middle It for the balanced type main valve plug of native font, realizes that main valve plug both ends stress is identical, and keeps balancing by volute spring.

The embodiments of the present invention are achieved in that

One kind blowing bottle combined valve comprising valve body in a rectangular parallelepiped shape, be arranged in valve body antetheca front mounting plate, The separate valve body side of front mounting plate is set and opens up the upper installation of leachy fixed plate, the upper wall that valve body is set Plate, be arranged in valve body bottom wall bottom mounting plate, be arranged in side of the fixed plate far from valve body and with air inlet four A solenoid valve and core assembly are set perpendicular to being spaced on the direction where four length of the solenoid valve in front mounting plate of valve body It sets, solenoid valve includes the first linking arm and the second connection extended from one end of the first linking arm to the direction close to valve body Arm, the second linking arm are provided with terminal box far from one end of the first linking arm, are provided on the mounting plate of bottom and accommodate the second linking arm With the accommodation groove of terminal box, air inlet, stomata and core assembly are sequentially communicated, and core assembly runs through front mounting plate and valve body, Two neighboring core assembly is staggered along the direction at the long place of front mounting plate, and two neighboring core assembly is along front mounting plate It is staggered on direction where wide, the first accommodating chamber for accommodating core assembly is offered in front mounting plate, offers appearance in valve body Receive the second accommodating chamber of core assembly.

In the utility model preferred embodiment, above-mentioned core assembly includes successively end to end piston, longitudinal section For the main valve plug of native font, the rebasing seat of primary seal and rear end cap, and the volute spring being set on main valve plug, piston and stomata One end connection.

In the utility model preferred embodiment, above-mentioned main valve plug include successively end to end first connecting portion, in The diameter of mandrel and second connecting portion, first connecting portion and second connecting portion is all larger than the diameter of central axis, centrally disposed axis The small end and first connecting portion of the volute spring in outside contradict, and the rebasing seat of primary seal is wrapped on the outside of second connecting portion.

In the utility model preferred embodiment, the first accommodating chamber, first connecting portion are offered in above-mentioned front mounting plate It is arranged in the first accommodating chamber.

In the utility model preferred embodiment, the first retention bead, the first limit are provided in above-mentioned first accommodating chamber Position protrusion has the first inclined-plane, the outside cooperation on the first inclined-plane and volute spring.

In the utility model preferred embodiment, the second receiving for accommodating core assembly is offered in above-mentioned valve body Chamber, is provided with the second retention bead in the second accommodating chamber, and the inner wall of the second retention bead and the second accommodating chamber forms groove, groove Inner wall include the second inclined-plane, volute spring one end setting in a groove, the fit inside on the second inclined-plane and volute spring.

In the utility model preferred embodiment, set between above-mentioned second connecting portion and the contact surface of the rebasing seat of primary seal It is equipped with primary seal pad.

In the utility model preferred embodiment, between above-mentioned piston and the inner wall of the first accommodating chamber, first connecting portion And first accommodating chamber inner wall between and the rebasing seat of primary seal and rear end cap between be provided with sealing ring, and piston is outer The seal groove for placing sealing ring is provided on the inner wall of wall, the inner wall of the first accommodating chamber and rear end cap.

In the utility model preferred embodiment, between above-mentioned first accommodating chamber and first connecting portion and/or rear end cap It is provided with guiding wear ring between the rebasing seat of primary seal, and is provided on rear end cap and/or the inner wall of the first accommodating chamber wear-resisting Slot.

In the utility model preferred embodiment, above-mentioned solenoid valve includes successively arranging in straight pre-blowing electromagnetism Valve blows solenoid valve, recycling solenoid valve and exhaust solenoid valve eventually.

The beneficial effect of the utility model embodiment is: one kind blowing bottle combined valve, by the tradition for by longitudinal section being T shape Main valve plug is changed to the balanced type main valve plug that longitudinal section is native font, and it is identical to realize main valve plug both ends stress.Also, by upper It states and is arranged volute spring holding balance on the outside of main valve plug.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the decomposition texture schematic diagram that the utility model embodiment blows bottle combined valve；

Fig. 2 is the structural schematic diagram that the utility model embodiment blows bottle combined valve；

Fig. 3 is the schematic diagram of the section structure of the A-A of Fig. 2；

Fig. 4 is valve body, upper mounting plate, bottom mounting plate and the core assembly that the utility model embodiment blows bottle combined valve Structural schematic diagram；

Fig. 5 is the structural schematic diagram for the core assembly that the utility model embodiment blows bottle combined valve；

Fig. 6 is the schematic diagram of the section structure of the B-B of Fig. 5；

Fig. 7 is enlarged drawing at C in Fig. 3；

Fig. 8 is enlarged drawing at D in Fig. 3；

Fig. 9 is the schematic diagram of the section structure of traditional main valve plug；

Figure 10 is the schematic diagram of the section structure of the E-E of Fig. 2.

Icon: 100- blows bottle combined valve；110- valve body；120- front mounting plate；130- fixed plate；140- upper mounting plate； The bottom 150- mounting plate；160- solenoid valve；170- divides air parcel；180- core assembly；131- stomata；The gas outlet 161-；162- wiring Box；163- pre-blowing solenoid valve；164- blows solenoid valve eventually；165- recycles solenoid valve；166- exhaust solenoid valve；The connection of 167- first Arm；The second linking arm of 168-；The first accommodating chamber of 121-；The second accommodating chamber of 111-；151- circle spininess plug；152- accommodation groove； 181- piston；182- main valve plug；The rebasing seat of 183- primary seal；184- rear end cap；185- volute spring；186- first connecting portion； 187- central axis；188- second connecting portion；189- small end；190- big end；The first retention bead of 122-；The first inclined-plane 123-； The second retention bead of 112-；113- groove；The second inclined-plane 114-；191- primary seal pad；192- sealing ring；193- seal groove； 194- is oriented to wear ring；195- wear-resistant trough.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that the orientation of the instructions such as term " center ", "inner", "outside" or Positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the side usually put Position or positional relationship, are merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relative importance.

In addition, the terms such as term "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly tilted. It is not to indicate that the structure is had to fully horizontally if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical", But it can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

Embodiment

Fig. 1-Fig. 3 is please referred to, the present embodiment provides one kind to blow bottle combined valve 100 comprising valve body 110, front mounting plate 120, fixed plate 130, upper mounting plate 140, bottom mounting plate 150, four solenoid valves 160 and core assembly with gas outlet 161 180.Valve body 110 is provided with front mounting plate 120 in a rectangular parallelepiped shape, on antetheca, and upper mounting plate 140 is provided on upper wall, Bottom mounting plate 150 is provided on its bottom wall.It is additionally provided with fixed plate 130 far from the side of valve body 110 in front mounting plate 120, Stomata 131 is offered in above-mentioned fixed plate 130.It is arranged in fixed plate 130 perpendicular to the solenoid valve 160 of valve body 110 far from valve The side of ontology 110, and four solenoid valves 160 are spaced setting on the direction where the length of front mounting plate 120.

Fig. 1 and Fig. 3 are please referred to, solenoid valve 160 includes the first linking arm 167 and the second linking arm 168.Second linking arm 168 extend from one end of the first linking arm 167 to the direction close to valve body 110.And the second linking arm 168 connects far from first The one end for connecing arm 167 is provided with terminal box 162.It is provided on bottom mounting plate 150 and accommodates the second linking arm 168 and terminal box 162 Accommodation groove 152.Second linking arm 168 of solenoid valve 160 extends to the direction close to valve body 110, is deep into and entirely blows bottle The inside of combination valve 100, rather than extend away from the direction of valve body 110.Above-mentioned setting is so that the second linking arm 168 is put It sets in the accommodation groove 152 on bottom mounting plate 150 and the second traditional linking arm 168 is from one end of the first linking arm 167 to remote Direction from valve body 110 extends this scheme and compares, and spatially more saves, the second linking arm of the utility model 168 Setting, which is more saved, blows 100 the space occupied of bottle combined valve, and gas circuit is simple, convenient to overhaul.

Fig. 1-Fig. 3 and Figure 10 are please referred to, side of the fixed plate 130 far from valve body 110 is arranged in four solenoid valves 160, Including successively arranging in straight pre-blowing solenoid valve 163, blowing eventually solenoid valve 164, recycling solenoid valve 165 and exhaust solenoid valve 166.Above-mentioned 4 solenoid valves 160 pass through 131 (Fig. 3 of stomata of different structure along the direction extension perpendicular to valve body 110 With the schematic diagram for the stomata 131 for providing two kinds of structures in the present embodiment in Figure 10) with core assembly 180 not point-blank Connection.

Core assembly 180 runs through front mounting plate 120 and valve body 110.The gas outlet 161 of solenoid valve 160, fixed plate 130 Stomata 131 and core assembly 180 be sequentially communicated, in use, the gas in solenoid valve 160 from gas outlet 161 flow out, through stomata Core assembly 180 is sent to after 131.

Referring to figure 2. and Fig. 3, front mounting plate 120 offer the first accommodating chamber 121 for accommodating core assembly 180, valve body The second accommodating chamber 111 for accommodating core assembly 180 is offered in 110.It is provided on the side of bottom mounting plate 150 for concentrating out The round spininess plug 151 of line.Above-mentioned circle spininess plug 151 reaches for the signal wire of solenoid valve 160 to be concentrated outlet The technical effect that number of outgoing is few, structure is simple, wiring is beautiful.Also, signal wire passes through round spininess plug 151 and manages concentratedly Facilitate in-site installation, can be realized fast insert-pull, probability of making a mistake can be substantially reduced.4 accommodation grooves are provided on bottom mounting plate 150 152, the terminal box 162 of solenoid valve 160 is placed in accommodation groove 152.The signal wire of each solenoid valve 160 can pass through wiring Box 162 accesses bottom mounting plate 150, then concentrates outlet by round spininess plug 151 again.

Referring to figure 3. and Fig. 4, four core assemblies 180 run through front mounting plate 120 and valve body 110.Two neighboring spool Component 180 is staggered along the direction at the long place of front mounting plate 120, and two neighboring core assembly 180 is along front mounting plate 120 It is staggered on direction where wide.

Referring to figure 3., Fig. 5 and Fig. 6, core assembly 180 include successively end to end piston 181, main valve plug 182, master Gasket pedestal 183, rear end cap 184, and the volute spring 185 being set on main valve plug 182, piston 181 and stomata 131 connect It connects.When having gas to pass through or leave in above-mentioned stomata 131, piston 181 moves under drive.

The longitudinal section of the main valve plug 182 of the present embodiment is native font, thus its both ends area is essentially identical so that both ends by Power is almost the same.Traditional main valve plug 182 (see Fig. 9) one big, one small, the both ends of the main valve plug 182 of the present embodiment and tradition The big end 190 of main valve plug 182 compare, small more of area, thus more save space.

Please continue to refer to Fig. 3, Fig. 5 and Fig. 6, main valve plug 182 includes successively end to end first connecting portion 186, center Axis 187 and second connecting portion 188.First connecting portion 186 is arranged in the first accommodating chamber 121 of front mounting plate 120.Primary seal pad Pedestal 183 is wrapped in 188 outside of second connecting portion.The diameter of first connecting portion 186 and second connecting portion 188 is all larger than central axis 187 diameter.

Please continue to refer to Fig. 3, Fig. 5 and Fig. 6, the small end 189 of the volute spring 185 in 187 outside of centrally disposed axis and the One interconnecting piece 186 contradicts, and carries out first connecting portion 186 in the axial direction of central axis 187 to the small end 189 of volute spring 185 Limit.The first retention bead 122 with the first inclined-plane 123 is provided in first accommodating chamber 121.Above-mentioned first inclined-plane 123 Cooperate with the outside of volute spring 185, limits volute spring 185 in the movement in the radial direction of central axis 187.Second holds It receives and is provided with the second retention bead 112 on chamber 111, the inner wall of the second retention bead 112 and the second accommodating chamber 111 forms groove 113.The inner wall of above-mentioned groove 113 includes the second inclined-plane 114, and the big end 190 of volute spring 185 is arranged in above-mentioned groove 113, and The fit inside on the second inclined-plane 114 and volute spring 185, realizes in the axial direction of central axis 187 to the big of volute spring 185 End 190 is limited.

Fig. 1 and Fig. 6 are please referred to, is provided with primary seal between second connecting portion 188 and the contact surface of the rebasing seat 183 of primary seal Pad 191.Main valve plug 182 is fixedly connected with the rebasing seat 183 of primary seal.In 160 closed state of solenoid valve, above-mentioned primary seal pad 191 offset with the second retention bead 112, realize the sealing of the second retention bead 112 and main valve plug 182.

Referring to figure 3. and Fig. 7, between piston 181 and the inner wall of the first accommodating chamber 121, first connecting portion 186 and first is held It receives between the inner wall of chamber 121 and is both provided with sealing ring 192 between the rebasing seat 183 of primary seal and rear end cap 184.Also, it is living It fills in be both provided on 181 outer wall, the inner wall of the first accommodating chamber 121 and the inner wall three of rear end cap 184 and places sealing ring 192 Seal groove 193.Corresponding sealing ring 192 is set in above-mentioned position, can effectively realize the sealing of three faces junction, it is convenient Protection to equipment part.Seal groove 193 is set in above-mentioned position, is conducive to sealing ring 192 being fixed on said one position, It can be effectively prevent the damage of sealing ring 192, and increase the service life of entire core assembly 180.In the present embodiment, it seals The number of circle 192 is 3, is separately positioned on above-mentioned 3 positions.

Referring to figure 3., Fig. 7 and Fig. 8, between the first accommodating chamber 121 and first connecting portion 186 and rear end cap 184 and master it is close It is provided with guiding wear ring 194 between packing pedestal 183, and is provided on rear end cap 184 and the inner wall of the first accommodating chamber 121 resistance to Slot grinding 195.Above-mentioned 194 intensity of guiding wear ring is big, and wearability is good, can effectively share face at above-mentioned two in use The frictional force of contact can effectively realize the protection to core assembly 180, improve its service life.On it should be noted that The position of two face contacts is stated, can only have and be provided with guiding wear ring 194 at therein one, can realize that the present embodiment is blown The technical effect that bottle combined valve 100, core assembly 180 occupy little space, all in the protection scope of the present embodiment.

Referring to figure 3. and Fig. 6, when each solenoid valve 160 is opened, control compressed air enters piston 181 by stomata 131 Top pushes piston 181 towards close to the movement of rear end cap 184, and volute spring 185 overcomes elastic force, opens main valve plug 182, the Two retention beads 112 are detached from primary seal pad 191.When solenoid valve 160 is closed, the compressed air of 181 top of piston passes through stomata 131 discharges, main valve plug 182 is resetted by the elastic restoring force control of the volute spring 185 compressed closes.

When blowing the work of bottle combined valve 100, original state, exhaust solenoid valve 166 (normally opened, english abbreviation: EXH) obtains electric, pass Close the main valve plug 182 of its control；4 main valve plugs 182 are closed；Pre-blowing solenoid valve 163 (normally closed, english abbreviation: P1) obtains electric, opening Its main valve plug 182 controlled, pre- blow enter in the bottle base cavity that preheating temperature is 80 DEG C, preform bottle, pre-blowing solenoid valve 163 power loss close the main valve plug 182 of its control；Blowing solenoid valve 164 (normally closed, english abbreviation: P2) eventually must be electric, opens its control Main valve plug 182, eventually blow enter preform bottle cavity in, eventually shape bottle, blow solenoid valve 164 eventually, close its control Main valve plug 182；Recycle solenoid valve 165 (normally closed, english abbreviation: REC) it is electric, the main valve plug 182 of its control is opened, in bottle chamber High pressure gas is recycled into storage tank, recycles 165 power loss of solenoid valve, closes the main valve plug 182 of its control；166 power loss of exhaust solenoid valve, The main valve plug 182 for opening its control, extra compressed air discharges atmosphere by muffler in bottle chamber.Aforesaid operations are a work Make the period.

In conclusion the utility model relates to blow bottle combined valve, by by longitudinal section be T shape traditional main valve plug be changed to Longitudinal section is the balanced type main valve plug of native font, and it is identical to realize main valve plug both ends stress.Also, by outside above-mentioned main valve plug Side is arranged volute spring and keeps balance.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. one kind blows bottle combined valve, which is characterized in that before it includes valve body in a rectangular parallelepiped shape, the valve body is arranged in The front mounting plate of wall, be arranged in the front mounting plate far from the valve body side and opening up leachy fixed plate, setting The upper wall of the valve body upper mounting plate, be arranged in the valve body bottom wall bottom mounting plate, be arranged in the fixation Side of the plate far from the valve body and four solenoid valves and core assembly with air inlet, perpendicular to the four of the valve body A solenoid valve is spaced setting on the direction where the length of the front mounting plate, the solenoid valve include the first linking arm and The second linking arm extended from one end of first linking arm to the direction close to the valve body, second linking arm are remote One end from first linking arm is provided with terminal box, is provided on the bottom mounting plate and accommodates second linking arm and institute The accommodation groove of terminal box is stated, the air inlet, the stomata and the core assembly are sequentially communicated, and the core assembly runs through institute Front mounting plate and the valve body are stated, the two neighboring core assembly is wrong along the direction at the long place of the front mounting plate It opens, and the two neighboring core assembly is staggered along the direction at the wide place of the front mounting plate, opens in the front mounting plate Equipped with the first accommodating chamber for accommodating the core assembly, the second receiving for accommodating the core assembly is offered in the valve body Chamber.

2. one kind according to claim 1 blows bottle combined valve, which is characterized in that the core assembly includes successively head and the tail phase The piston that connects, longitudinal section are main valve plug, the rebasing seat of primary seal and the rear end cap of native font, and are set on the main valve plug Volute spring, the piston are connect with one end of the stomata.

3. one kind according to claim 2 blows bottle combined valve, which is characterized in that the main valve plug includes successively joining end to end First connecting portion, central axis and second connecting portion, the diameter of the first connecting portion and the second connecting portion is all larger than institute The diameter for stating central axis, the small end and the first connecting portion that the volute spring on the outside of the central axis is arranged in contradict, The rebasing seat of primary seal is wrapped on the outside of the second connecting portion.

4. one kind according to claim 3 blows bottle combined valve, which is characterized in that offer the first appearance in the front mounting plate Receive chamber, the first connecting portion is arranged in first accommodating chamber.

5. one kind according to claim 4 blows bottle combined valve, which is characterized in that be provided with first in first accommodating chamber Retention bead, first retention bead have the first inclined-plane, the outside cooperation on first inclined-plane and the volute spring.

6. one kind according to claim 5 blows bottle combined valve, which is characterized in that offered described in receiving in the valve body Second accommodating chamber of core assembly is provided with the second retention bead, second retention bead and institute in second accommodating chamber The inner wall for stating the second accommodating chamber forms groove, and the inner wall of the groove includes the second inclined-plane, and one end of the volute spring is arranged In the groove, the fit inside on second inclined-plane and the volute spring.

7. one kind according to claim 6 blows bottle combined valve, which is characterized in that the second connecting portion and the primary seal Primary seal pad is provided between the contact surface of rebasing seat.

8. one kind according to claim 6 blows bottle combined valve, which is characterized in that the piston and first accommodating chamber Between inner wall, between the first connecting portion and the inner wall of first accommodating chamber and the rebasing seat of the primary seal and it is described after Be provided with sealing ring between end cap, and the outer wall of the piston, the inner wall of first accommodating chamber and the rear end cap it is interior The seal groove for placing the sealing ring is provided on wall.

9. one kind according to claim 6 blows bottle combined valve, which is characterized in that first accommodating chamber and described first connects Guiding wear ring, and the rear end cap are provided between socket part and/or between the rear end cap and the rebasing seat of the primary seal And/or wear-resistant trough is provided on the inner wall of first accommodating chamber.

10. one kind according to claim 1 blows bottle combined valve, which is characterized in that the solenoid valve includes successively arranging to be in Straight pre-blowing solenoid valve blows solenoid valve, recycling solenoid valve and exhaust solenoid valve eventually.