CN214366435U - Gas valve and carburetor assembly - Google Patents
Gas valve and carburetor assembly Download PDFInfo
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- CN214366435U CN214366435U CN202120410957.9U CN202120410957U CN214366435U CN 214366435 U CN214366435 U CN 214366435U CN 202120410957 U CN202120410957 U CN 202120410957U CN 214366435 U CN214366435 U CN 214366435U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to a gas valve and carburetor assembly, which comprises a carburetor, a valve body fixing plate, a gas valve, a gas transition shaft and a valve linkage rod; wherein, a carburetor throttle shaft is arranged on the carburetor; the valve body fixing plate is arranged on one side of the carburetor and is provided with two mounting holes; the gas valve is arranged on the valve body fixing plate through two screws; the diameter of one mounting hole is larger than that of the screw, so that the gas valve can rotate clockwise or anticlockwise to adjust the mounting position; the gas transition shaft is connected with a carburetor and a gas valve; a throttle shaft is arranged on the gas valve; the carburetor throttle shaft and the valve throttle shaft are connected through a valve linkage rod, so that the carburetor throttle shaft and the valve throttle shaft are linked to realize opening synchronization. The utility model discloses a gas valve and carburetor assembly have convenient assembling, and different air supply adaptability is good, and power operation is stable and a great deal of advantages such as with low costs.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a component of engine, concretely relates to gas valve and carburetor assembly belongs to small-size general engine technical field.
[ background of the invention ]
As is well known, the supply of fuel and air to a small general-purpose engine is generally achieved by supplying fuel to a carburetor and supplying fuel to a gas valve. However, the accuracy of mounting the gas valve and the carburetor together cannot be guaranteed due to the following reasons: 1. the processing parts in the carburetor are more, the assembly parts are more, and the position selection of the gas inlet hole processed on the carburetor cannot change or destroy the original structure of the carburetor; 2. the gas inlet must be selected inside the carburetor choke (otherwise starting is difficult); 3. the gas transition shaft arranged on the carburetor is basically concentric with the gas outlet hole of the gas valve; 4. the positions of gas inlet holes of different carburettors are different
Because the normal operation of power is satisfied under the same condition, the air supply quantity of the air source is different, and if liquefied gas is used, the air supply quantity is a little bit; natural gas or marsh gas is used, and the gas supply flow rate is larger; different countries have different compositions of liquefied gas or natural gas, and some countries also divide into summer liquefied gas and winter liquefied gas; the components of the methane produced by the methane tank are not constant. However, the gas valve in the prior art cannot be switched and adjusted according to the type of the gas source, so that the power operation of the engine is unstable, and the discharged tail gas is not combusted sufficiently to cause air pollution.
Meanwhile, in order to improve the power running performance of the engine and control the emission, the throttle shaft of the gas valve and the opening degree of the throttle valve of the carburetor need to be synchronized, so the center distance between the throttle shaft and the throttle valve of the carburetor needs to be ensured, but the center distance between the gas valve and the carburetor is influenced by a plurality of parts, and the center distance cannot be ensured under normal conditions.
Accordingly, there is a need to solve the above problems and to provide an innovative gas valve and carburetor assembly that overcomes the above-mentioned deficiencies of the prior art.
[ Utility model ] content
In order to solve the problems, the utility model aims to provide a gas valve and carburetor assembly which has the advantages of convenient assembly, good adaptability of different air sources, stable power running and low cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a gas valve and carburetor assembly comprises a carburetor, a valve body fixing plate, a gas valve, a gas transition shaft and a valve linkage rod; wherein, a carburetor throttle shaft is arranged on the carburetor; the valve body fixing plate is arranged on one side of the carburetor and is provided with two mounting holes; the gas valve is arranged on the valve body fixing plate through two screws; the diameter of one mounting hole is larger than that of the screw, so that the gas valve can rotate clockwise or anticlockwise to adjust the mounting position; the gas transition shaft is connected with a carburetor and a gas valve; a throttle shaft is arranged on the gas valve; the carburetor throttle shaft and the valve throttle shaft are connected through a valve linkage rod, so that the carburetor throttle shaft and the valve throttle shaft are linked to realize opening synchronization.
The utility model discloses a gas valve and carburetor assembly further set up to: the gas valve comprises a valve body, a positioning sleeve, a fuel conversion shaft, a positioning spring, a liquefied gas flow fine adjustment screw and a pressure spring; wherein, the valve body is internally divided into an air source decompression chamber, an air source standby chamber and a negative pressure chamber; a fuel gas outlet channel is formed in one side of the valve body; the throttle shaft of the valve is pivoted on the valve body and extends into the air source standby chamber; the throttle shaft of the valve is of a hollow structure, and one side of the throttle shaft is provided with an air outlet; the air outlet can be communicated with the air source standby chamber and the fuel gas outlet channel; the positioning sleeve is arranged on the valve body fixing plate through a conversion shaft fixing plate; the positioning spring is arranged on the positioning sleeve; the fuel conversion shaft penetrates through the positioning sleeve, can extend into the fuel gas outlet channel and adjusts the gas outlet width of the fuel gas outlet channel; the liquefied gas flow fine adjustment screw is screwed in the fuel conversion shaft and can also extend into the fuel gas outlet channel; the pressure spring is abutted between the fuel conversion shaft and the liquefied gas flow rate fine adjustment screw.
The utility model discloses a gas valve and carburetor assembly further set up to: two R-shaped grooves are formed in the periphery of the fuel conversion shaft, and the positioning spring can be clamped into any one of the R-shaped grooves to position the fuel conversion shaft.
The utility model discloses a gas valve and carburetor assembly further set up to: an overflow gas recovery hole is formed in the valve body; the valve throttle shaft and the valve body are in clearance fit, and a trace air source of the air source standby chamber enters the air overflow recovery hole through the clearance and is sucked into the negative pressure chamber.
The utility model discloses a gas valve and carburetor assembly further set up to: one end of the gas transition shaft inserted into the gas outlet channel is provided with an O-shaped sealing ring; the O-shaped sealing ring is abutted between the gas transition shaft and the valve body, so that the gas valve is always sealed with the gas transition shaft when being adjusted clockwise or anticlockwise; a chamfer is formed at the end part of the gas transition shaft, so that the gas transition shaft and the gas valve body are not interfered during adjustment.
The utility model discloses a gas valve and carburetor assembly further set up to: the conversion shaft fixing plate is of a Z-shaped structure and can ensure that the axes of the gas outlet channel and the gas transition shaft are consistent.
The utility model discloses a gas valve and carburetor assembly further set up to: the top of the carburetor throttle shaft and the top of the valve throttle shaft are respectively provided with a rocker arm, the valve linkage rod is connected between the two rocker arms, and a linkage rod gap eliminating spring is connected between the two rocker arms.
The utility model discloses a gas valve and carburetor assembly further set up to: and a natural gas flow fine adjustment screw is arranged on the gas transition shaft.
The utility model discloses a gas valve and carburetor assembly further set up to: the valve body is provided with a negative pressure nozzle and an air inlet joint; the negative pressure nozzle is communicated with the negative pressure chamber; the air inlet joint can be communicated with the air source decompression chamber.
The utility model discloses a gas valve and carburetor assembly still can set up to: a diaphragm switch component I and a diaphragm switch component II are arranged in the valve body; the diaphragm switch assembly I can enable the air inlet joint and the air source decompression chamber to be communicated or disconnected; the diaphragm switch assembly II can connect or disconnect the air source decompression chamber and the air source standby chamber; the membrane switch component I and the membrane switch component II both comprise a switch shaft; one end of the switch shaft is provided with a rubber sealing ring; the rubber sealing ring is elastic, and the inner hole of the rubber sealing ring is directly sleeved into the end part of the switch shaft.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a gas valve and carburetor assembly make it can be applicable to different air supplies and use through setting up the fuel shifter, can satisfy the use of liquefied gas and also can satisfy the use of natural gas or marsh gas simultaneously promptly, and easy operation.
2. The utility model discloses a gas valve and carburetor assembly make the gas valve can clockwise or anticlockwise rotation when the installation through the valve body fixed plate that sets up a zigzag, easy to assemble, and need not to change the structure of gas valve and carburetor to can guarantee that the axis of gas outlet channel and gas transition axle is unanimous.
3. The gas valve and carburetor assembly of the utility model has the advantages that the valve linkage rod is arranged, so that the opening of the gas valve and the throttle valve of the carburetor are synchronized, the power running stability is better, and the discharge is good; and the fit clearance between the two ends of the valve linkage rod and the rocker arm is eliminated through the linkage rod clearance eliminating spring.
[ description of the drawings ]
Fig. 1 is an exploded perspective view of a gas valve and carburetor assembly of the present invention.
Fig. 2 is a top view of the gas valve and carburetor assembly of the present invention.
Fig. 3 is an installation schematic diagram of the gas valve of the present invention after rotating a certain angle.
Fig. 4 is a schematic diagram of the liquefied gas or natural gas intake circuit of the present invention when power is not running.
Fig. 5 is a circuit diagram of the liquefied gas or natural gas intake circuit of the present invention during power running.
Fig. 6 is an intake air circuit diagram from another perspective of fig. 5.
Fig. 7 is a schematic view of the present invention when using natural gas or biogas.
Fig. 8 is a schematic view of the present invention when using liquefied gas.
Fig. 9 is a partial enlarged view at a in fig. 8.
[ detailed description ] embodiments
Referring to the attached drawings 1 to 9 in the specification, the present invention relates to a gas valve and a carburetor assembly, which is composed of a carburetor 1, a valve body fixing plate 2, a gas valve 3, a gas transition shaft 4, a valve linkage rod 5, and the like.
The carburetor 1 is a carburetor in the prior art, namely the original structure of the existing carburetor is not changed or damaged, and the use cost is reduced. The carburetor 1 is provided with a carburetor throttle shaft 6.
The valve body fixing plate 2 is fixedly arranged on one side of the carburetor 1, and is provided with two mounting holes 21 and 22. The gas valve 3 is arranged on the valve body fixing plate 2 through two screws 23 passing through the mounting holes 21 and 22; the diameter of one of the mounting holes 22 is larger than the diameter of the screw 23, so that the gas valve 3 can rotate clockwise or counterclockwise to adjust the mounting position, as shown in fig. 3, the gas valve 3 rotates a certain angle when being mounted, and the mounting is convenient.
The gas transition shaft 4 is connected with the carburetor 1 and the gas valve 4, and can feed a gas source in the gas valve 4 into the carburetor 1. A natural gas flow fine adjustment screw 41 is arranged on the gas transition shaft 4.
A throttle valve shaft 7 is arranged on the gas valve 3; the carburetor throttle shaft 6 and the valve throttle shaft 7 are connected through a valve linkage rod 5, so that the carburetor throttle shaft 6 and the valve throttle shaft 7 are linked to realize opening synchronization (namely, the gas opening of the valve throttle shaft 7 corresponds to the opening of the carburetor throttle shaft 6). Specifically, the tops of the carburetor throttle shaft 6 and the valve throttle shaft 7 are respectively provided with a rocker arm 61, the valve linkage rod 5 is connected between the two rocker arms 61, a linkage rod gap eliminating spring 71 is connected between the two rocker arms 61, and the fit gap between the two ends of the valve linkage rod 5 and the rocker arms 61 is eliminated through the linkage rod gap eliminating spring 71.
Furthermore, the gas valve 3 is composed of a valve body 31, a positioning sleeve 32, a fuel conversion shaft 33, a positioning spring 34, a liquefied gas flow rate fine adjustment screw 35, a pressure spring 36 and the like. Wherein, the valve body 31 is internally divided into a gas source decompression chamber 311, a gas source standby chamber 312 and a negative pressure chamber 313. The valve body 31 is provided with a negative pressure nozzle 37 and an air inlet connector 38. One end of the negative pressure nozzle 37 is connected to the engine to generate negative pressure suction, and the other end is communicated with the negative pressure chamber 313 to generate negative pressure in the negative pressure chamber 313. The air inlet connector 37 can communicate with the air supply decompression chamber 311, which can feed air supply into the air supply decompression chamber 311 for use.
Further, a membrane switch assembly I39 and a membrane switch assembly II40 are arranged in the valve body 31. The diaphragm switch assembly I39 can connect or disconnect the air inlet connector 37 and the air source decompression chamber 311 (as shown in fig. 4 and 5, the air inlet connector 37 and the air source decompression chamber 311 are connected). The diaphragm switch assembly II40 can connect or disconnect the air supply decompression chamber 311 and the air supply standby chamber 312 (as shown in FIG. 4, the air supply decompression chamber 311 and the air supply standby chamber 312 are disconnected; as shown in FIG. 5, the air supply decompression chamber 311 and the air supply standby chamber 312 are connected)
The membrane switch assembly I39 and the membrane switch assembly II40 both comprise a switch shaft 41; one end of the switch shaft 41 is provided with a rubber sealing ring 42; the rubber sealing ring 42 is an elastic rubber sealing ring, and the inner hole of the rubber sealing ring is directly sleeved on the end part of the switch shaft 41, so that the rubber sealing ring is convenient to mount and has good sealing performance.
A gas outlet channel 43 is arranged on one side of the valve body 31. An O-shaped sealing ring 45 is arranged at one end of the gas transition shaft 4 inserted into the gas outlet channel 43; the O-shaped sealing ring 45 is abutted between the gas transition shaft 4 and the valve body 31, so that the gas valve 3 is always kept sealed with the gas transition shaft 4 when being adjusted clockwise or anticlockwise. The end of the gas transition shaft 4 forms a chamfer 46, so that the gas transition shaft 4 and the valve body 31 of the gas valve 3 do not interfere with each other during adjustment.
In the present embodiment, the conversion shaft fixing plate 2 has a zigzag structure, and the gas transition shaft 4 and the gas outlet channel 43 of different oil refiners 1 are aligned in axis by different zigzag heights.
The throttle shaft 7 is pivotally connected to the valve body 31, which extends into the source standby chamber 311. The throttle shaft 7 is of a hollow structure, and one side of the throttle shaft is provided with an air outlet hole 71; the air outlet hole 71 can communicate the air source standby chamber 311 and the fuel gas outlet channel 43, that is, the fuel gas in the air source standby chamber 311 enters the hollow valve throttle shaft and enters the fuel gas outlet channel 43 through the air outlet hole 71. At the same time, the position of the gas outlet hole 71 is adjusted by rotating the throttle shaft 7 to adjust the amount of the gas source discharged from the gas source standby chamber 311 to the gas outlet passage 43.
The positioning sleeve 32 is mounted on the valve body fixing plate 2 through a converting shaft fixing plate 321 to prevent the positioning sleeve 32 from moving axially. The positioning spring 34 is mounted on the positioning sleeve 32.
The fuel transfer shaft 33 passes through the positioning sleeve 32 and can extend into the gas outlet channel 43, and the gas outlet width of the gas outlet channel 43 is adjusted by adjusting the size of the gas outlet channel 43. Furthermore, two R-shaped grooves 47 are formed in the periphery of the fuel transfer shaft 33, and the positioning spring 34 can be inserted into any one of the R-shaped grooves 47 to position the fuel transfer shaft 33.
The flow rate adjustment screw 35 is screwed into the fuel transfer shaft 33, and also extends into the gas outlet channel 43 to adjust the gas outlet width of the gas outlet channel 43. The compression spring 36 abuts between the fuel switch shaft 33 and the liquefied gas flow rate trimming screw 35.
An air overflow recycling hole 314 is formed in the valve body 31. Because the throttle shaft 7 rotates when the power operates, the throttle shaft 7 and the valve body 31 adopt clearance fit, when the power operates, a trace air source of the air source standby chamber 311 enters the air overflow recycling hole 314 through a clearance, and is sucked into the negative pressure chamber 313, and then is absorbed by the power air inlet chamber to do work, so that the utilization rate of the air source is improved, and the air source is prevented from polluting the environment.
The gas valve and carburetor assembly of the present invention allows the gas source (i.e., the flow of liquefied gas or the flow of natural gas or methane that can meet the operational requirements) with sufficient flow to enter the gas valve decompression chamber 311 from the inlet fitting 38. As shown in fig. 4, when the engine is not running, no negative pressure is generated in the negative pressure chamber 313, the diaphragm switch assembly I39 is closed, the diaphragm switch assembly II40 is opened, and the air source can only stay in the decompression chamber 311. When the power running is performed, the negative pressure generated by the power sucks air in the negative pressure chamber 313 through the negative pressure nozzle 37, so that the rubber sealing ring 42 on the diaphragm switch assembly I39 is separated from the conical surface of the matched valve body 31, the air source of the decompression chamber 311 enters the air source standby chamber 312, the entering circuit is shown in the attached figure 5 of the specification, and the air source of the air source standby chamber 312 enters the air supply chamber of the carburetor 1 after passing through the fuel conversion shaft 33, the liquefied gas flow fine adjustment screw 35 for different fuel adjustments and the natural gas flow fine adjustment screw 41.
The utility model discloses a gas valve and carburetor assembly are as follows to the adjustment method when using different air supplies:
a. as shown in fig. 8, when liquefied gas is used as fuel, the fuel conversion shaft 33 is pushed inward, the positioning spring 34 is clamped into the 1R-shaped groove 47 on the outer side of the fuel conversion shaft 33, the fuel conversion shaft 33 blocks part of the fuel gas outlet channel 43, and the amount of liquefied gas in the gas source standby chamber 312 entering the gas supply chamber of the carburetor 1 is obviously reduced; at this time, the inlet and outlet of the liquefied gas flow rate fine adjustment screw 35 can be adjusted to control the optimal flow rate of the liquefied gas in the gas source standby chamber 312 into the gas outlet channel 43 and the gas supply chamber of the carburetor 1.
b. As shown in fig. 7, when natural gas or biogas is used as fuel, the fuel conversion shaft 33 is pulled out, the positioning spring 34 is clamped into the 1R-shaped groove 47 on the inner side of the fuel conversion shaft 33, and the natural gas entering the carburetor 1 air supply chamber of the air source standby chamber 312 is obviously increased; at this time, the inlet and outlet of the natural gas flow fine adjustment screw 41 can be adjusted to control the optimal flow of the natural gas or the methane in the gas source standby chamber 312 into the gas supply chamber of the carburetor 1;
the operation method has simple steps, strong adaptability to different air sources and good power running performance and discharge.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (10)
1. A gas valve and carburetor assembly, comprising: comprises a carburetor, a valve body fixing plate, a gas valve, a gas transition shaft and a valve linkage rod; wherein, a carburetor throttle shaft is arranged on the carburetor; the valve body fixing plate is arranged on one side of the carburetor and is provided with two mounting holes; the gas valve is arranged on the valve body fixing plate through two screws; the diameter of one mounting hole is larger than that of the screw, so that the gas valve can rotate clockwise or anticlockwise to adjust the mounting position; the gas transition shaft is connected with a carburetor and a gas valve; a throttle shaft is arranged on the gas valve; the carburetor throttle shaft and the valve throttle shaft are connected through a valve linkage rod, so that the carburetor throttle shaft and the valve throttle shaft are linked to realize opening synchronization.
2. A gas valve and carburetor assembly as defined in claim 1, wherein: the gas valve comprises a valve body, a positioning sleeve, a fuel conversion shaft, a positioning spring, a liquefied gas flow fine adjustment screw and a pressure spring; wherein, the valve body is internally divided into an air source decompression chamber, an air source standby chamber and a negative pressure chamber; a fuel gas outlet channel is formed in one side of the valve body; the throttle shaft of the valve is pivoted on the valve body and extends into the air source standby chamber; the throttle shaft of the valve is of a hollow structure, and one side of the throttle shaft is provided with an air outlet; the air outlet can be communicated with the air source standby chamber and the fuel gas outlet channel; the positioning sleeve is arranged on the valve body fixing plate through a conversion shaft fixing plate; the positioning spring is arranged on the positioning sleeve; the fuel conversion shaft penetrates through the positioning sleeve, can extend into the fuel gas outlet channel and adjusts the gas outlet width of the fuel gas outlet channel; the liquefied gas flow fine adjustment screw is screwed in the fuel conversion shaft and can also extend into the fuel gas outlet channel; the pressure spring is abutted between the fuel conversion shaft and the liquefied gas flow rate fine adjustment screw.
3. A gas valve and carburetor assembly as defined in claim 2, wherein: two R-shaped grooves are formed in the periphery of the fuel conversion shaft, and the positioning spring can be clamped into any one of the R-shaped grooves to position the fuel conversion shaft.
4. A gas valve and carburetor assembly as defined in claim 2, wherein: an overflow gas recovery hole is formed in the valve body; the valve throttle shaft and the valve body are in clearance fit, and a trace air source of the air source standby chamber enters the air overflow recovery hole through the clearance and is sucked into the negative pressure chamber.
5. A gas valve and carburetor assembly as defined in claim 2, wherein: one end of the gas transition shaft inserted into the gas outlet channel is provided with an O-shaped sealing ring; the O-shaped sealing ring is abutted between the gas transition shaft and the valve body, so that the gas valve is always sealed with the gas transition shaft when being adjusted clockwise or anticlockwise; a chamfer is formed at the end part of the gas transition shaft, so that the gas transition shaft and the gas valve body are not interfered during adjustment.
6. A gas valve and carburetor assembly as defined in claim 2, wherein: the conversion shaft fixing plate is of a Z-shaped structure and can ensure that the axes of the gas outlet channel and the gas transition shaft are consistent.
7. A gas valve and carburetor assembly as defined in claim 1, wherein: the top of the carburetor throttle shaft and the top of the valve throttle shaft are respectively provided with a rocker arm, the valve linkage rod is connected between the two rocker arms, and a linkage rod gap eliminating spring is connected between the two rocker arms.
8. A gas valve and carburetor assembly as defined in claim 1, wherein: and a natural gas flow fine adjustment screw is arranged on the gas transition shaft.
9. A gas valve and carburetor assembly as defined in claim 2, wherein: the valve body is provided with a negative pressure nozzle and an air inlet joint; the negative pressure nozzle is communicated with the negative pressure chamber; the air inlet joint can be communicated with the air source decompression chamber.
10. A gas valve and carburetor assembly as defined in claim 2, wherein: a diaphragm switch component I and a diaphragm switch component II are arranged in the valve body; the diaphragm switch assembly I can enable the air inlet joint and the air source decompression chamber to be communicated or disconnected; the diaphragm switch assembly II can connect or disconnect the air source decompression chamber and the air source standby chamber; the membrane switch component I and the membrane switch component II both comprise a switch shaft; one end of the switch shaft is provided with a rubber sealing ring; the rubber sealing ring is elastic, and the inner hole of the rubber sealing ring is directly sleeved into the end part of the switch shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410957.9U CN214366435U (en) | 2021-02-25 | 2021-02-25 | Gas valve and carburetor assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410957.9U CN214366435U (en) | 2021-02-25 | 2021-02-25 | Gas valve and carburetor assembly |
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| CN214366435U true CN214366435U (en) | 2021-10-08 |
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| CN202120410957.9U Active CN214366435U (en) | 2021-02-25 | 2021-02-25 | Gas valve and carburetor assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006974A (en) * | 2021-02-25 | 2021-06-22 | 绍兴钜立动力科技有限公司 | Gas valve and carburetor assembly |
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2021
- 2021-02-25 CN CN202120410957.9U patent/CN214366435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006974A (en) * | 2021-02-25 | 2021-06-22 | 绍兴钜立动力科技有限公司 | Gas valve and carburetor assembly |
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