CN209245355U - Fuel gas plug valve - Google Patents

Abstract

The utility model discloses a kind of fuel gas plug valves, including valve body (1), fuel gas inlet portion (10) and solenoid valve (2), the end valve chamber (21) of the spool chamber (12) of the valve body (1), the fuel gas inlet air flue (13) in the fuel gas inlet portion (10) and the solenoid valve (2) is successively spaced along the radial direction of the spool chamber (12), and oblique drainage air flue (14) is communicated between the end of the fuel gas inlet air flue (13) and the inner end of the end valve chamber (21).In the fuel gas plug valve of the utility model, replace between the end of existing fuel gas inlet air flue and the inner end of end valve chamber for the mode of the connection air flue of right-angle turning, this programme, which uses oblique drainage air flue, can efficiently reduce the collision loss of energy of the combustion gas in right angle air flue, so that flowing of the combustion gas in the inner cavity of fuel gas plug valve is more smoothly, the combustion efficiency and efficiency of combustion of combustion gas are helped to improve.

Description

Fuel gas plug valve

Technical field

The utility model relates to household kitchen electric appliance fields, and in particular, to a kind of fuel gas plug valve.

Background technique

In daily kitchen range, fuel gas plug valve is for manually adjusting and controlling combustion gas on-off and regulating gas size Valve body generally includes other attachment devices such as valve body, spool, valve rod, microswitch and solenoid valve composition.Fuel gas plug valve Main operational principle is: combustion gas enters fuel gas inlet air flue by the fuel gas inlet portion of valve body, successively passes through solenoid valve, then into Enter spool, be finally connected by the side opening of spool with the lateral opening hole of escape pipe, so realization to gas-cooker for combustion gas, This is a complicated combustion gas control process.

At present in common fuel gas plug valve, the structure of valve inner is complex, and the design of combustion gas gas circuit also compared with To be cumbersome and complicated, combustion gas would generally pass through multiple turning angles (right-angled bend) biggish gas circuit.For example, fuel gas inlet air flue Junction between the valve port end of the end valve chamber of solenoid valve is formed as right angle connection air flue, and the end valve chamber of solenoid valve goes out Crosslinking air flue between gas end and spool chamber is again formed as right angle and is connected to air flue.In this way, combustion gas of the combustion gas in fuel gas plug valve The phenomenon that internal perisporium for repeatedly colliding valve body is easy to happen during stream in gas circuit, causes combustion gas to lose in flow process Certain energy, and can also reduce the flowing velocity of combustion gas.It is especially particularly evident when combustion gas is narrow-minded, or even occur Influence the combustion efficiency difference of combustion gas and the phenomenon that efficiency of combustion is low.As it can be seen that the combustion gas gas circuit structure of existing fuel gas plug valve is still So there is certain room for improvement.

Utility model content

The fuel gas plug valve that the purpose of the utility model is to provide a kind of gas circulations is more smooth, energy loss is small.

To achieve the goals above, the utility model provides a kind of fuel gas plug valve, including valve body, fuel gas inlet portion and electricity Magnet valve, the end valve chamber of the spool chamber of the valve body, the fuel gas inlet air flue in the fuel gas inlet portion and the solenoid valve is along institute The radial direction for stating spool chamber is successively spaced, and is communicated between the end of the fuel gas inlet air flue and the inner end of the end valve chamber tiltedly To drainage air flue.

Preferably, the central axis of the oblique drainage air flue is in arc line type.

Preferably, the central axis of the oblique drainage air flue is of a straight line type.

Preferably, the end valve chamber is arranged in parallel with the fuel gas inlet air flue, the oblique drainage air flue with it is described Angle between the valve chamber of end is 30 °~80 °.

Preferably, between the both ends and the end valve chamber and the fuel gas inlet air flue of the oblique drainage air flue respectively It is formed with the rounded corner to smoothly transit.

Preferably, the fuel gas plug valve includes valve bottom cover and driving lever, the valve port and the spool chamber of the end valve chamber Bottom end entrance between be equipped with crosslinking air flue, the crosslinking air flue is formed between the valve bottom cover and the bottom wall of the valve body, The driving lever is installed in the crosslinking air flue.

Preferably, the fuel gas plug valve includes the needle being mounted in the spool chamber, and one end of the driving lever is equipped with Abut the first plectrum of transmission with the bottom end of the needle, the other end of the driving lever is equipped with for triggering the solenoid valve Two plectrums, the solenoid valve include the sealing-plug for blocking the valve port, and second plectrum is at right angles hook-shaped, second plectrum End abutment described in sealing-plug, when the needle pushes first plectrum, second plectrum can be pushed described in opening Sealing-plug.

Preferably, faying face sealing ring is equipped between the valve bottom cover and the bottom wall of the valve body.

Preferably, the fuel gas plug valve includes driving lever and the needle that is mounted in the spool chamber, the bottom of the valve body Portion's periphery wall is equipped with below lateral direction penetrating to the needle and is connected to the driving lever mounting hole of the spool chamber, and the driving lever protrudes into In the driving lever mounting hole, the driving lever mounting hole is formed as the valve port of the end valve chamber and the bottom end entrance of the spool chamber Between crosslinking air flue.

Preferably, one end of the driving lever is equipped with the first plectrum that transmission is abutted with the bottom end of the needle, the driving lever The other end be equipped with the second plectrum for triggering the solenoid valve, the solenoid valve includes the sealing-plug for blocking valve port, described The valve port end of sealing-plug is equipped with the intermediate transmission bar coaxially stretched out, when the needle pushes first plectrum, described second group Piece stirs the intermediate transmission bar to push and open the sealing-plug.

Preferably, it is equipped at the pass-through entry that the driving lever mounting hole is formed on the bottom periphery wall of the valve body removable Unload the block head of connection.

Through the above technical solutions, replacing existing fuel gas inlet air flue in the fuel gas plug valve of the utility model It is the mode of the connection air flue of right-angle turning between end and the inner end of end valve chamber, this programme uses oblique drainage air flue energy The collision loss for enough efficiently reducing energy of the combustion gas in right angle air flue, so that combustion gas is in the inner cavity of fuel gas plug valve It flows more smoothly, helps to improve the combustion efficiency and efficiency of combustion of combustion gas.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 and Fig. 2 is the perspective view according to the fuel gas plug valve of first preferred embodiment of the utility model；

Fig. 3 is the assembly explosive view of Fig. 1 and Fig. 2；

Fig. 4 is the top view of Fig. 1 and Fig. 2；

Fig. 5 is the cross-sectional view of Section A-A in Fig. 4；

Fig. 6 is the solid according to the part-structure of the fuel gas plug valve under first preferred embodiment of the utility model Figure, be integrally formed compared to body base in Fig. 1 and Fig. 2, illustrate the valve body in the embodiment bottom be additionally provided with it is removable Unload the valve bottom cover structure of connection；

Fig. 7 is the assembly explosive view of Fig. 6；

Fig. 8 is the perspective view according to the fuel gas plug valve of second preferred embodiment of the utility model；

Fig. 9 is the top view of Fig. 8；

Figure 10 is the cross-sectional view of section B-B in Fig. 9；

Figure 11 is the perspective view according to the fuel gas plug valve of the third preferred embodiment of the utility model；

Figure 12 is the top view of Figure 11；

Figure 13 is the assembly explosive view of Figure 11；With

Figure 14 is the cross-sectional view in the section C-C in Figure 12.

Description of symbols

1 valve body, 2 solenoid valve

3 valve bottom cover, 4 needle

5 intermediate transmission bar, 6 STATEMENT OF FEDERALLY SPONSORED

7 gas outlet pipe, 8 driving lever

9 driving member, 10 fuel gas inlet portion

11 radial communication air flue, 12 spool chamber

The oblique drainage air flue of 13 fuel gas inlet air flue 14

15 crosslinking 16 block heads of air flue

17 crosslinking 18 driving lever mounting holes of air flue through hole

19 outer wall mounting hole, 20 solenoid valve mounting cylinder

21 end valve chamber, 22 sealing-plug

31 faying face sealing ring, 32 fastener

41 valve rod, 42 spool

61 abutment end convex sections 62 press end convex section

81 first plectrum, 82 second plectrum

91 escape groove of α circumferential direction angle

Angle between the oblique drainage air flue of β and end valve chamber

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually Be for direction shown in the drawings either for it is vertical, vertically or on gravity direction for each component mutual alignment Relationship description word.

The problems such as cumbersome, complicated and combustion gas energy loss is big is designed for combustion gas gas circuit in existing fuel gas plug valve, this Utility model provides a kind of novel fuel gas plug valve.

The fuel gas plug valve of first preferred embodiment of the utility model referring to FIG. 1 to FIG. 4, the Gas cock Valve includes valve body 1, fuel gas inlet portion 10 and solenoid valve 2, the spool chamber 12 of valve body 1, fuel gas inlet portion 10 fuel gas inlet air flue 13 and the end valve chamber 21 of solenoid valve 2 be successively spaced along the radial direction of spool chamber 12, the end of fuel gas inlet air flue 13 and end valve Oblique drainage air flue 14 is communicated between the inner end of chamber 21.

As it can be seen that replacing the end and end of existing fuel gas inlet air flue 13 in the fuel gas plug valve of the utility model It is the mode of the connection air flue of right-angle turning between the inner end of valve chamber 21, this programme uses oblique drainage air flue 14 can be effective Ground reduces the collision loss of energy of the combustion gas in right angle air flue so that combustion gas the inner cavity of fuel gas plug valve flowing more Be it is smooth, help to improve the combustion efficiency and efficiency of combustion of combustion gas.

Wherein, in the present solution, it is oblique drainage air flue 14 specific constructive form can there are many.Preferably, oblique to draw The central axis in gas road 14 can be in substantially arc line type, and the center location of the central axis of the arc line type, that is, settable in place In the side close to spool chamber 12, the side far from spool chamber 12 may be set to be.

Alternatively, shown in Figure 4, the central axis of oblique drainage air flue 14 can be also of a straight line type.

Specifically, end valve chamber 21 is arranged in parallel with fuel gas inlet air flue 13, oblique drainage air flue 14 and end valve chamber 21 Between angle β be preferably 30 °~80 °.In this way, take into account avoid fuel gas flow turning angle excessive while, moreover it is possible to ensure The circulation of combustion gas gas circuit is apart from shorter effect.

Further, can also divide between the both ends and end valve chamber 21 and fuel gas inlet air flue 13 of oblique drainage air flue 14 It is not formed with the rounded corner to smoothly transit, so that the circulation of combustion gas is more smoothly.

In the present solution, when combustion gas is followed by the fuel gas inlet air flue 13 of valve body 1 and the end valve chamber 21 of solenoid valve 2 Afterwards, combustion gas can flow into spool chamber 12 from the outlet of solenoid valve 2, accordingly, the valve port of end valve chamber 21 and the bottom of spool chamber 12 Crosslinking air flue 15 is equipped between end entrance, the generation type of the crosslinking air flue 15 can be hereinafter exemplified there are many form.

In a kind of specific embodiment of the crosslinking air flue 15 of the fuel gas plug valve of the utility model, fuel gas plug valve includes Valve bottom cover 3 and driving lever 8, crosslinking air flue 15 are formed between valve bottom cover 3 and the bottom wall of valve body 1, and driving lever 8 is installed on crosslinking air flue 15 In, referring to shown in Fig. 6 and Fig. 7, therefore, the internal structure of the valve body 1 of dismountable valve bottom cover 3 can be exposed well, So that the installation for the driving lever 8 being mounted in valve body 1 is more convenient, visual effect is more preferable.

Wherein, fuel gas plug valve includes the needle 4 being mounted in spool chamber 12, and one end of driving lever 8 is equipped with the bottom with needle 4 End abuts the first plectrum 81 of transmission, and the other end of driving lever 8 is equipped with the second plectrum 82 for triggering solenoid valve 2, and solenoid valve 2 wraps Include the sealing-plug 22 for blocking valve port, rectangular hook-shaped, the end abutment sealing-plug 22 of the second plectrum 82 of the second plectrum 82, needle 4 When pushing the first plectrum 81, the second plectrum 82, which can push, opens sealing-plug 22.In general, instantly pressure valve bar 41 when, valve rod 41 Lower section is provided with the needle 4 protruded into inside spool 42.Valve rod 41 push during be able to drive needle 4 move down and contradict to It can trigger the driving lever 8 that solenoid valve 2 is opened.The driving lever 8 is to move pivotally, and first plectrum 81 of one end of driving lever 8 is connected to needle 4 Bottom end, the second plectrum 82 of the other end abuts the sealing-plug 22 of solenoid valve 2.The movement of sealing-plug 22 is squeezed in the second plectrum 82 to open While opening solenoid valve 2, additionally it is possible to which the valve port for opening solenoid valve 2 is able to enter combustion gas in solenoid valve 2, so as to combustion gas gas circuit By this channel of solenoid valve 2 and further conducting it can be crosslinked air flue 15.

Simultaneously as the bottom of valve body 1 is provided with the valve bottom cover 3 detachably installed, to further ensure that the Gas cock The leakproofness of the combustion gas gas circuit of valve is equipped with faying face sealing ring 31 between valve bottom cover 3 and the bottom wall of valve body 1, shown in Figure 7.

In another specific embodiment of the crosslinking air flue 15 of the fuel gas plug valve of the utility model, referring to Fig. 1 to Fig. 5 Shown, which includes driving lever 8 and the needle 4 that is mounted in spool chamber 12, and the bottom periphery wall of valve body 1 is equipped with cross To the driving lever mounting hole 18 for penetrating through to 4 lower section of needle and being connected to spool chamber 12, driving lever 8 is protruded into driving lever mounting hole 18, driving lever peace Dress hole 18 is formed as the crosslinking air flue 15 between the valve port of end valve chamber 21 and the bottom end entrance of spool chamber 12.

In the present solution, one end of driving lever 8 is equipped with the first plectrum 81 for abutting with the bottom end of needle 4 and being driven, driving lever 8 it is another One end is equipped with the second plectrum 82 for triggering solenoid valve 2, and solenoid valve 2 includes the sealing-plug 22 for blocking valve port, sealing-plug 22 Valve port end is equipped with the intermediate transmission bar 5 coaxially stretched out, and when needle 4 pushes the first plectrum 81, the second plectrum 82 stirs intermediate transmission Bar 5 opens sealing-plug 22 to push.In this way, since the valve port end in solenoid valve 2 is additionally arranged mediation member, accordingly, we The planform of driving lever 8 (referring to Fig. 3) in case and driving lever 8 (referring to Fig. 7) different, second plectrum in embodiment one 82 no longer have right angle hook formation, the structure of driving lever 8 are effectively simplified, so that driving lever 8 is more convenient for installing.

Accordingly, valve bottom cover 12 can be integrally formed with valve body 1, be formed on the bottom periphery wall of valve body 1 convenient for driving lever 8 The pass-through entry of installation is protruded into, that is, eliminates valve bottom cover 12, it is shown in Figure 3.Meanwhile being the installation and replacement convenient for driving lever 8, The block head 16 being detachably connected is equipped at the pass-through entry that driving lever mounting hole 18 is formed on the bottom periphery wall of valve body 1.This Sample, can be by block head when 8 installation position mistake of driving lever needs to reinstall while block head 16 realizes sealing valve chamber 16 disassemblies in time, correctly to install driving lever 8 again.

In the fuel gas plug valve of the second preferred embodiment referring to Fig. 8 to the utility model shown in Fig. 10, the combustion Cyclone plug valve includes valve body 1 and solenoid valve 2, and solenoid valve 2 is from the bottom periphery wall of valve body 1 along the radial direction of the spool chamber 12 of valve body 1 Direction is stretched out, and the end valve chamber 21 of solenoid valve 2 and the bottom of spool chamber 12 are formed with radial communication air flue 11.

It is spaced apart compared to spatial offset is set as between the end valve chamber 21 and spool chamber 12 of existing solenoid valve 2 Structure type, by the central axes direction of solenoid valve 2 along the radial direction arrangement of the spool chamber 12 of valve body 1 in this programme, thus So that the bottom of the end valve chamber 21 of solenoid valve 2 and spool chamber 12 can be radial straight with the shorter radial communication air flue 11 of passage path Ground connection intersects connection, so as to effectively shorten the combustion gas gas circuit of the fuel gas plug valve.

In general, the periphery wall of valve body 1 has extended radially gas outlet pipe 7, for example, gas outlet pipe 7 includes mutually flat The interior ring fire outlet and outer ring fire outlet or Some gases outlet 7 of row interval setting further include having middle ring fire to export Pipe, wherein it is total in this programme, inclined circumferential angle α is formed between solenoid valve 2 and gas outlet pipe 7.

Further, circumferential angle α is preferably 30 °~70 °, and shown in Figure 9, circumferential angle α is preferably sharp angle, Enable to the setting of the test side of solenoid valve 2 towards it is more generally applicable while, moreover it is possible to effectively realize compact-sized purpose.

Wherein, in the gas flue of the fuel gas plug valve of this programme, it is preferable that as shown in figure 9, the fuel gas plug valve packet Fuel gas inlet portion 10 is included, fuel gas inlet portion 10 is stretched out from the periphery wall of solenoid valve 2, the fuel gas inlet air flue 13 in fuel gas inlet portion 10 It is connected to the end valve chamber 21 of solenoid valve 2, so that fuel gas inlet air flue 13 is directly connected to the end valve chamber 21 of solenoid valve 2, it is ensured that The brief and practicability of combustion gas gas circuit.

In the present solution, the fuel gas plug valve further includes the needle 4 in vertical arrangement spool chamber 12, electromagnetism referring to Figure 10 Valve 2 includes the sealing-plug 22 for blocking valve port, is equipped with driving member 9 in radial communication air flue 11, driving member 9 includes matching with sealing-plug 22 The abutment end of conjunction and with needle 4 cooperate press end, press end top surface be formed as with needle 4 cooperation press inclined-plane.As it can be seen that Due to the optimization design of the integral position of solenoid valve 2, so as to using driving member 9 instead of driving lever 8 common in above scheme, And by driving member 9 to realize during valve rod 41 drives needle 4 to push with united opening solenoid valve 2.Wherein, the driving member 9 motion mode is no longer the pivoting action of driving lever 8, but the mode of more simple, reliable translational motion.In 41 band of valve rod Dynamic needle 4 pushes when pressing inclined-plane of driving member 9, and driving member 9 can be mobile to the side of solenoid valve 2, is blocked with pushing to open The sealing-plug 22 of valve port.

As shown in Figure 10, compared to common 8 structure of rod-shaped driving lever, the driving member 9 is in bulk, and volume is smaller, Neng Gougeng Rapidly it is placed in the inside of valve body 1.

Also, driving member 9 is rigid plastics part.This is because being metal material in the contact surface of needle 4 and sealing-plug 22 In the case where, rigid plastics part is set by driving member 9, generation when rubbing between metalwork and metalwork can be effectively prevented from Metal fillings and the problem of influence product reliability of operation.

Specifically, radial communication air flue 11 is provided with the bottom wall on the internal perisporium of spool chamber 12 and being higher than spool chamber 12, touching The bottom surface of pressure side is pressed on the bottom wall of spool chamber 12, and abutment end protrudes into the radial communication air flue 11 on the internal perisporium of spool chamber 12 In, the escape groove 91 for avoiding 12 inner wall of spool chamber is provided between the bottom surface of abutment end and the bottom surface for pressing end.In this way, working as When driving member 9 is gradually run to the valve port end of solenoid valve 2, escape groove 91 can be avoided the inner wall of driving member 9 Yu spool chamber 12 Between mechanical interference occurs.

Particularly, in the second preferred embodiment of the fuel gas plug valve of the utility model, due to the shape of driving member 9 More short and small, therefore, valve bottom cover 3 or pass through openings for installing driving lever 8 etc. can be no longer arranged in the bottom of valve body 1, can save Slightly related components, such as valve bottom cover 3, sealing ring 31, fastener 32 and block head 16, have saved production and processing cost, into One step improves the sealing performance of the fuel gas plug valve.Wherein, the length of driving member 9 is preferably not greater than the straight of spool chamber 12 Diameter places the driving member 9 directly in valve body 1 by the top opening of spool chamber 12.

Alternatively, solenoid valve 2 includes solenoid valve mounting cylinder 20 and solenoid valve body, solenoid valve mounting cylinder 20 is from the bottom of valve body 1 Portion's periphery wall integrally stretches out, and driving member 9 and solenoid valve body are removably installed in solenoid valve mounting cylinder 20.In this way, transmission Part 9 can protrude into installation to the inside of valve body 1 from solenoid valve mounting cylinder 20.

The fuel gas plug valve of the third preferred embodiment is additionally provided in the utility model, referring to Figure 11 to Figure 14 institute Show, which includes valve body 1 and solenoid valve 2, the spool of the central axis and valve body 1 of the end valve chamber 21 of solenoid valve 2 The centerline axis parallel interval of chamber 12 is arranged, and the valve port end of end valve chamber 21 is connected to the bottom of spool chamber 12.

As it can be seen that the fuel gas plug valve of this programme is a kind of novel gas plug valve of structure novel, the fuel gas plug valve is extremely The end valve chamber 21 of major general's solenoid valve 2 is vertically arranged, so that installation space has been saved, so that overall structure is more compact, simultaneously Combustion gas gas circuit can also be shortened.

Specifically, referring to Figure 14, radial friendship is formed between the valve port end of end valve chamber 21 and the bottom of spool chamber 12 Join air flue 15, forms crosslinking air flue through hole 17 on the internal perisporium of spool chamber 12；And

Solenoid valve 2 includes the sealing-plug 22 for blocking the valve port of end valve chamber 21, and fuel gas plug valve includes being arranged in spool chamber Needle 4 in 12 and the STATEMENT OF FEDERALLY SPONSORED 6 for being set in crosslinking air flue 15 and passing through crosslinking air flue through hole 17, STATEMENT OF FEDERALLY SPONSORED 6 includes position End, STATEMENT OF FEDERALLY SPONSORED 6 are pressed in the two sides for being crosslinked air flue through hole 17 and with the abutment end of the cooperation of sealing-plug 22 and with what needle 4 cooperated Middle part fulcrum be supported on crosslinking air flue through hole 17 hole wall on；Wherein, instantly pressure valve needle 4 when, the bottom end of needle 4 is downward Pressing presses end, so that abutment end opens sealing-plug 22 upwards under the support of middle part fulcrum.

As it can be seen that 8 Optimal improvements of driving lever of traditional pivot shaft type are particularly " seesaw by the fuel gas plug valve of this programme The STATEMENT OF FEDERALLY SPONSORED 6 of formula " branching rod structure is driven more reliable so that simplifying the structure.

Wherein, due to pushing when pressing end of STATEMENT OF FEDERALLY SPONSORED 6 in needle, the end that presses in spool chamber 12 can be to moving down Dynamic, therefore, crosslinking air flue through hole 17 is provided with the bottom wall on the internal perisporium of spool chamber 12 and being higher than spool chamber 12.

Further, shown in Figure 13, STATEMENT OF FEDERALLY SPONSORED 6 includes correspondingly from abutment end and pressing end and stretching out radially upward Abutment end convex section 61 and press end convex section 62.Wherein, the STATEMENT OF FEDERALLY SPONSORED 6 as " seesaw type ", 61 He of abutment end convex section The same side direction of radial direction for pressing end convex section 62 towards STATEMENT OF FEDERALLY SPONSORED ontology is stretched out, and may make installation required for the STATEMENT OF FEDERALLY SPONSORED 6 Space is smaller and is more convenient for installing.

To be easy to process, abutment end convex section 61 and the protrusion length for pressing end convex section 62 can be identical, alternatively, abutting End convex section 61 and the protrusion length for pressing end convex section 62 are slightly different, or are not much different, and are the protection scope of this programme.

In the present solution, mounting means about STATEMENT OF FEDERALLY SPONSORED 6, the periphery wall of fuel gas plug valve is equipped with to be passed through with crosslinking air flue The corresponding outer wall mounting hole 19 of through-hole 17, STATEMENT OF FEDERALLY SPONSORED 6 are installed on by the insertion of outer wall mounting hole 19 and are crosslinked in air flue 15.

Specifically, solenoid valve 2 includes 2 ontology of solenoid valve mounting cylinder 20 and solenoid valve, the periphery wall of solenoid valve mounting cylinder 20 It is connected with the periphery wall of valve body 1,2 ontology of solenoid valve is removably installed in solenoid valve mounting cylinder 20, and outer wall mounting hole 19 is set It sets on solenoid valve mounting cylinder 20 or on the bottom periphery wall of valve body 1.

Also, outer wall mounting hole 19 is equipped with block head 16.

Since the fuel gas plug valve in this programme exists, the abutment end of STATEMENT OF FEDERALLY SPONSORED 6 is the same of STATEMENT OF FEDERALLY SPONSORED ontology with end is pressed Side, thus the STATEMENT OF FEDERALLY SPONSORED 6 have the advantages that be not easy it is wrongly installed, in this way, block head 16 preferably be inexpensive round ball etc., referring to Figure 13, certainly, the fuel gas plug valve of the utility model are not limited to this, and block head 16 may be alternatively provided as detachably connected side Formula.

Similarly, in the present solution, fuel gas plug valve includes fuel gas inlet portion 10, fuel gas inlet portion 10 is from solenoid valve 2 Periphery wall stretches out, and the fuel gas inlet air flue 13 in fuel gas inlet portion 10 is connected to the end valve chamber 21 of solenoid valve 2.That is, fuel gas inlet gas End valve chamber 21 of the road 13 preferably to be directly connected to solenoid valve 2.

Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model Art scheme carries out a variety of simple variants, these simple variants belong to the protection scope of the utility model.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the utility model is to each No further explanation will be given for the possible combination of kind.

In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims (11)

1. a kind of fuel gas plug valve, including valve body (1), fuel gas inlet portion (10) and solenoid valve (2), which is characterized in that the valve The end valve of the spool chamber (12) of body (1), the fuel gas inlet air flue (13) in the fuel gas inlet portion (10) and the solenoid valve (2) Chamber (21) is successively spaced along the radial direction of the spool chamber (12), the end of the fuel gas inlet air flue (13) and the end valve chamber (21) oblique drainage air flue (14) is communicated between inner end.

2. fuel gas plug valve according to claim 1, which is characterized in that the central axis of oblique drainage air flue (14) In arc line type.

3. fuel gas plug valve according to claim 1, which is characterized in that the central axis of oblique drainage air flue (14) It is of a straight line type.

4. fuel gas plug valve according to claim 3, which is characterized in that the end valve chamber (21) and the fuel gas inlet Air flue (13) is arranged in parallel, it is described it is oblique drainage air flue (14) and the end valve chamber (21) between angle (β) for 30 °~ 80°。

5. fuel gas plug valve according to claim 1, which is characterized in that the both ends of oblique drainage air flue (14) and institute It states and is respectively formed with the rounded corner to smoothly transit between end valve chamber (21) and the fuel gas inlet air flue (13).

6. fuel gas plug valve according to claim 1, which is characterized in that the fuel gas plug valve include valve bottom cover (3) and Driving lever (8) is equipped with crosslinking air flue (15) between the valve port of the end valve chamber (21) and the bottom end entrance of the spool chamber (12), Crosslinking air flue (15) is formed between the valve bottom cover (3) and the bottom wall of the valve body (1), and the driving lever (8) is installed on In the crosslinking air flue (15).

7. fuel gas plug valve according to claim 6, which is characterized in that the fuel gas plug valve includes being mounted on the valve Needle (4) in core cavity (12), one end of the driving lever (8) are equipped with first group abutting and being driven with the bottom end of the needle (4) Piece (81), the other end of the driving lever (8) are equipped with the second plectrum (82) for triggering the solenoid valve (2), the solenoid valve It (2) include the sealing-plug (22) for blocking the valve port, second plectrum (82) is at right angles hook-shaped, second plectrum (82) Sealing-plug described in end abutment (22), when the needle (4) pushes the first plectrum (81), second plectrum (82) can It pushes and opens the sealing-plug (22).

8. fuel gas plug valve according to claim 6, which is characterized in that the bottom of the valve bottom cover (3) and the valve body (1) Faying face sealing ring (31) are equipped between wall.

9. fuel gas plug valve according to claim 1, which is characterized in that the fuel gas plug valve includes driving lever (8) and peace Needle (4) in the spool chamber (12), the bottom periphery wall of the valve body (1) are equipped with lateral direction penetrating to the needle (4) lower section and it is connected to the driving lever mounting hole (18) of the spool chamber (12), the driving lever (8) protrudes into the driving lever mounting hole (18) In, the driving lever mounting hole (18) be formed as the end valve chamber (21) valve port and the spool chamber (12) bottom end entrance it Between crosslinking air flue (15).

10. fuel gas plug valve according to claim 9, which is characterized in that one end of the driving lever (8) is equipped with and the valve The bottom end of needle (4) abuts the first plectrum (81) of transmission, and the other end of the driving lever (8) is equipped with for triggering the solenoid valve (2) the second plectrum (82), the solenoid valve (2) include the sealing-plug (22) for blocking valve port, the valve port of the sealing-plug (22) End is equipped with the intermediate transmission bar (5) coaxially stretched out, when the needle (4) pushes the first plectrum (81), second plectrum (82) it stirs the intermediate transmission bar (5) and opens the sealing-plug (22) to push.

11. fuel gas plug valve according to claim 10, which is characterized in that the driving lever mounting hole (18) is in the valve body (1) block head (16) being detachably connected is equipped at the pass-through entry formed on bottom periphery wall.