CN214366429U - Connecting mechanism of gas valve and carburetor - Google Patents
Connecting mechanism of gas valve and carburetor Download PDFInfo
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- CN214366429U CN214366429U CN202120410925.9U CN202120410925U CN214366429U CN 214366429 U CN214366429 U CN 214366429U CN 202120410925 U CN202120410925 U CN 202120410925U CN 214366429 U CN214366429 U CN 214366429U
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- gas valve
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Abstract
The utility model relates to a connecting mechanism of a gas valve and a carburetor, which comprises a carburetor, a valve body fixing plate, a gas valve and a gas transition shaft; 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 and a linkage rod gap eliminating spring, so that the carburetor throttle shaft and the valve throttle shaft are linked to realize opening synchronization. The utility model discloses a coupling mechanism of gas valve and carburetor has convenient assembling, and power operation is stable and a great deal of advantage such as with low costs.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a constitution mechanism of engine, concretely relates to coupling mechanism of gas valve and carburetor 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
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.
Therefore, in order to solve the above technical problems, it is necessary to provide an innovative connecting mechanism for a gas valve and a carburetor, so as to overcome the above-mentioned drawbacks of the prior art.
[ Utility model ] content
In order to solve the above problems, an object of the present invention is to provide a connecting mechanism for a gas valve and a carburetor, which is easy to assemble, stable in power operation and low in cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a connecting mechanism of a gas valve and a carburetor comprises the carburetor, a valve body fixing plate, the gas valve and a gas transition shaft; 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 and a linkage rod gap eliminating spring, so that the carburetor throttle shaft and the valve throttle shaft are linked to realize opening synchronization.
The utility model discloses a coupling mechanism of gas valve and carburetor further sets up to: the gas valve is provided with a gas outlet channel; 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 kept sealed.
The utility model discloses a coupling mechanism of gas valve and carburetor further sets up to: the end part of the gas transition shaft forms a chamfer angle, so that the gas transition shaft and the gas valve are not interfered.
The utility model discloses a coupling mechanism of gas valve and carburetor further sets up to: the valve body 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 coupling mechanism of gas valve and carburetor further sets up to: the top of the carburetor throttle shaft and the top of the valve throttle shaft are respectively provided with a rocker arm, and the valve linkage rod and the linkage rod anti-backlash spring are connected between the two rocker arms.
The utility model discloses a coupling mechanism of gas valve and carburetor still can set up to: and a natural gas flow fine adjustment screw is arranged on the gas transition shaft.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a coupling mechanism of gas valve and carburetor makes 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.
2. The connecting mechanism of the gas valve and the carburetor of the utility model synchronizes the opening of the gas valve and the carburetor throttle valve by arranging the valve linkage rod, so that 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 connection mechanism of a gas valve and a carburetor according to the present invention.
Fig. 2 is a plan view of a connection mechanism of a gas valve and a carburetor according to 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 sectional view of the connection mechanism of the gas valve and the carburetor according to the present invention.
Fig. 5 is a partially enlarged view of a portion a in fig. 4.
[ detailed description ] embodiments
Referring to the attached drawings 1 to 5 in the specification, the present invention relates to a connection mechanism for a gas valve and a carburetor, which comprises a carburetor 1, a valve body fixing plate 2, a gas valve 3, a gas transition shaft 4, 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 by 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 to adjust the flow of natural gas.
A throttle valve shaft 7 is arranged on the gas valve 3; the carburetor throttle shaft 6 is connected with the valve throttle shaft 7 through a valve linkage rod 5 and a linkage rod gap eliminating spring 8, so that the carburetor throttle shaft 6 is linked with the valve throttle shaft 7 to realize opening synchronization (namely, the fuel gas opening of the valve throttle shaft 7 corresponds to the opening of the carburetor throttle shaft 6 to ensure stable power operation, sufficient fuel combustion and good discharge). 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 8 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 8.
And a gas outlet channel 31 is formed at one side of the gas valve 3. An O-shaped sealing ring 10 is arranged at one end of the gas transition shaft 4 inserted into the gas outlet channel 31; the O-shaped sealing ring 10 is abutted between the gas transition shaft 4 and the gas valve 3, 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 42, 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 valve body fixing plate 2 is in a zigzag structure, and the axis of the gas transition shaft 4 and the axis of the gas outlet channel 31 on different carburetors 1 are consistent through zigzag different heights, without changing the original structures of the carburetors 1 and the gas valves 3.
The utility model discloses a coupling mechanism of gas valve and carburetor is through the valve body fixed plate 2 that sets up the zigzag, and valve body fixed plate 2 processing is convenient, and is with low costs, can adjust the height as required, and simultaneously, mounting hole 21, 22 of a big one little are seted up to valve body fixed plate 2, make gas valve 3 can clockwise or anticlockwise rotation when the installation, easy to assemble, and need not to change gas valve 3 and carburetor 1's structure to can guarantee that the axis of gas outlet channel 31 and gas transition axle 4 is unanimous. The utility model also has the advantages that the valve linkage rod 5 is arranged, so that the gas valve 3 and the throttle opening of the carburetor 1 are synchronized, the power running stability is better, and the discharge is good; and through the linkage rod gap eliminating spring 8, the fit gap between the two ends of the valve linkage rod 5 and the rocker arm 61 is eliminated, so as to further improve the opening synchronization of the carburetor throttle shaft 6 and the valve throttle shaft 7.
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 (6)
1. A connecting mechanism of a gas valve and a carburetor is characterized in that: comprises a carburetor, a valve body fixing plate, a gas valve and a gas transition shaft; 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 and a linkage rod gap eliminating spring, so that the carburetor throttle shaft and the valve throttle shaft are linked to realize opening synchronization.
2. A gas valve and carburetor coupling mechanism according to claim 1, wherein: the gas valve is provided with a gas outlet channel; 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 kept sealed.
3. A gas valve and carburetor coupling mechanism according to claim 1, wherein: the end part of the gas transition shaft forms a chamfer angle, so that the gas transition shaft and the gas valve are not interfered.
4. A gas valve and carburetor coupling mechanism according to claim 1, wherein: the valve body 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.
5. A gas valve and carburetor coupling mechanism according to 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, and the valve linkage rod and the linkage rod anti-backlash spring are connected between the two rocker arms.
6. A gas valve and carburetor coupling mechanism according to claim 1, wherein: and a natural gas flow fine adjustment screw is arranged on the gas transition shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410925.9U CN214366429U (en) | 2021-02-25 | 2021-02-25 | Connecting mechanism of gas valve and carburetor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410925.9U CN214366429U (en) | 2021-02-25 | 2021-02-25 | Connecting mechanism of gas valve and carburetor |
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| Publication Number | Publication Date |
|---|---|
| CN214366429U true CN214366429U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120410925.9U Active CN214366429U (en) | 2021-02-25 | 2021-02-25 | Connecting mechanism of gas valve and carburetor |
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| CN (1) | CN214366429U (en) |
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 |
-
2021
- 2021-02-25 CN CN202120410925.9U patent/CN214366429U/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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