CN213088127U

CN213088127U - Throttle valve structure of carburetor

Info

Publication number: CN213088127U
Application number: CN202022042333.4U
Authority: CN
Inventors: 徐海彬
Original assignee: Chongqing Binli Machinery Manufacturing Co ltd
Current assignee: Chongqing Binli Machinery Manufacturing Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-30
Anticipated expiration: 2030-09-17

Abstract

The utility model belongs to the technical field of the carburetor, concretely relates to throttle valve structure of carburetor, including the throttle valve body, actuating mechanism and throttle valve passageway, actuating mechanism is equipped with the drive shaft, the drive shaft is equipped with regular hexagon spread groove is equipped with regular hexagon spliced pole, regular hexagon spliced pole keeps away from actuating mechanism one end and is equipped with the throttle valve axle, the throttle valve axle is equipped with the air throttle piece that matches with the throttle valve passageway, the air throttle body keeps away from actuating mechanism one side and is equipped with the assembly groove that matches with the throttle valve piece, the assembly groove can be dismantled fixedly connected with arc apron, the arc apron is equipped with the rotation groove that matches with the throttle valve axle, the throttle valve axle keeps away from actuating mechanism one end and; this throttle valve structure is convenient with throttle valve axle and throttle valve piece equipment on the throttle valve body, and whole assembling process is simple swift, labour saving and time saving, and assembly cost is lower, convenient the dismantlement when maintaining throttle valve piece and throttle valve axle simultaneously.

Description

Throttle valve structure of carburetor

Technical Field

The utility model belongs to the technical field of the carburetor, concretely relates to throttle structure of carburetor.

Background

The carburetor is a mechanical device which mixes gasoline and air in a certain proportion under the action of vacuum generated by the operation of an engine. A carburetor is a precise mechanical device which utilizes the kinetic energy of the intake air flow to atomize gasoline. The air throttle is a controllable valve which is arranged in a carburetor and controls air to enter an engine, and after the air enters an air inlet pipe, the air and gasoline are mixed into combustible mixed gas, so that work is done by combustion. It is connected with air filter and engine cylinder, and is called the throat of automobile engine.

The throttle valve has two types, namely a traditional stay wire type throttle valve and an electronic throttle valve, and the traditional engine throttle valve operating mechanism works by connecting one end of a stay cable (a flexible steel wire) or a pull rod with an accelerator pedal and the other end of the stay cable with a throttle valve linkage plate. The electronic throttle valve mainly controls the opening angle of the throttle valve according to the energy required by the engine through a throttle valve position sensor, so that the size of the air inflow is adjusted. The existing electronic throttle valve is complex in structural design, the throttle valve sheet and the throttle valve shaft are inconvenient to assemble on the throttle valve body, the assembling time and the assembling cost are high, meanwhile, the throttle valve sheet and the throttle valve shaft are inconvenient to disassemble when needing to be maintained, and aiming at the problems, the throttle valve structure of the carburetor is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: aims to provide a throttle valve structure of a carburetor, which is used for solving the problems in the background technology.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a throttle valve structure of carburetor comprises a throttle valve body and a driving mechanism arranged on the side surface of the throttle valve body, the driving mechanism is provided with a position sensor, the throttle body is provided with a throttle passage, the driving mechanism is connected with a driving shaft extending into the throttle passage in a transmission way, one end of the driving shaft, which is far away from the driving mechanism, is provided with a regular hexagon connecting groove which is provided with a regular hexagon connecting column, the end of the regular hexagon connecting column, which is far away from the driving mechanism, is provided with a throttle valve shaft, the throttle valve shaft is provided with a throttle valve sheet matched with the throttle valve channel, an assembly groove matched with the throttle plate is arranged on one side of the throttle body away from the driving mechanism, the assembly groove is detachably and fixedly connected with an arc-shaped cover plate, the arc-shaped cover plate is provided with a rotating groove matched with the throttle shaft, and one end of the throttle shaft, which is far away from the driving mechanism, is rotatably assembled in the rotating groove.

By adopting the technical scheme of the utility model, because the end of the throttle shaft, which is far away from the driving mechanism, is rotatably assembled in the rotating groove, the throttle shaft can rotate relative to the rotating groove, the driving mechanism can drive the driving shaft to rotate, the driving shaft can drive the throttle shaft to rotate by matching with the regular hexagon connecting groove and the regular hexagon connecting column, and the throttle shaft can drive the throttle sheet to rotate, so that the throttle sheet opening angle can be controlled by the driving mechanism; when the throttle shaft and the throttle blade need to be maintained, the arc-shaped cover plate is taken down from the assembly groove, at the moment, the limit of one end, far away from the driving mechanism, of the throttle shaft is removed, and the regular hexagonal connecting column is assembled in the regular hexagonal connecting groove, so that the throttle shaft and the throttle blade can be directly taken down through the assembly groove, and the throttle blade and the throttle shaft can be conveniently maintained; when the throttle valve shaft and the throttle valve sheet need to be assembled on the throttle valve body, the regular hexagon connecting column, the throttle valve shaft and the throttle valve sheet are directly placed into the throttle valve channel through the assembling groove, the regular hexagon connecting column is inserted into the regular hexagon connecting groove, then the arc-shaped cover plate is installed on the assembling groove, one end of the throttle valve shaft, which is far away from the driving mechanism, is inserted into the rotating groove, so that the throttle valve shaft and the throttle valve sheet are assembled on the throttle valve body, the whole assembling process is simple and fast, time and labor are saved, and the assembling cost is low.

The utility model provides a throttle structure of carburetor, this throttle structure convenience with throttle valve axle and throttle valve piece equipment on the throttle valve body, whole assembling process is simple swift, labour saving and time saving, and the assembly cost is lower, the convenient dismantlement when maintaining throttle valve piece and throttle valve axle simultaneously.

Further limit, regular hexagon spliced pole, throttle shaft and throttle plate are integrated into one piece's metal construction. Such structure, structural stability is stronger, and the choke flap is difficult for with the separation of throttle shaft, avoids carburetor's atomization effect to be reduced, does benefit to the use.

Further limited, a circular groove is formed in one end, far away from the driving mechanism, of the throttle shaft, and the circular groove is sequentially provided with a spring and a steel ball from inside to outside. Such structure, under the spring action of spring, the steel ball can keep the butt with rotating inslot wall, and regular hexagon spliced pole can keep the butt with regular hexagon spread groove inner wall, prevents throttle shaft axial motion, influences throttle plate normal use, uses the steel ball and can reduce the friction with rotating inslot wall butt, makes throttle shaft pivoted more smooth and easy.

Further inject, both sides all are equipped with first connecting plate about the arc apron, both sides all are equipped with the second connecting plate with first connecting plate assorted about the assembly groove, adopt bolt and nut fixed connection between first connecting plate and the second connecting plate. According to the structure, the bolt and the nut between the first connecting plate and the second connecting plate are screwed off, the arc-shaped cover plate can be taken off from the assembling groove, the bolt and the nut between the first connecting plate and the second connecting plate are assembled, the arc-shaped cover plate can be fixedly connected to the assembling groove, and therefore the arc-shaped cover plate can be detachably and fixedly connected with the assembling groove.

Compared with the prior art, the utility model has the following advantages:

1. the throttle valve structure is convenient to assemble the throttle valve shaft and the throttle valve sheet on the throttle valve body, the whole assembly process is simple and rapid, time and labor are saved, and the assembly cost is lower

2. The throttle structure is convenient to detach when the throttle sheet and the throttle shaft are maintained.

3. Regular hexagon spliced pole, throttle shaft and throttle plate are integrated into one piece's metal construction, and such structure, structural stability is stronger, and the throttle plate is difficult for separating with the throttle shaft, avoids the atomization effect of carburetor to be reduced, does benefit to the use.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural view of an embodiment of a throttle valve structure of a carburetor according to the present invention;

FIG. 2 is a schematic structural view of a throttle body according to an embodiment of the throttle structure of the carburetor of the present invention;

FIG. 3 is a schematic structural view of a regular hexagonal connecting post, a throttle shaft and a throttle blade of an embodiment of a throttle structure of a carburetor according to the present invention;

fig. 4 is a schematic partial sectional view of an embodiment of a throttle structure of a carburetor according to the present invention.

The main element symbols are as follows:

the throttle valve comprises a throttle valve body 1, a driving mechanism 11, a throttle valve channel 12, a driving shaft 2, a regular hexagon connecting groove 21, a regular hexagon connecting column 22, a throttle valve shaft 23, a throttle valve sheet 24, an assembling groove 3, an arc-shaped cover plate 31, a rotating groove 32, a circular groove 4, a spring 41, steel balls 42, a first connecting plate 43 and a second connecting plate 44.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the throttle structure of carburetor of the present invention comprises a throttle body 1 and a driving mechanism 11 installed at the side of the throttle body 1, the driving mechanism 11 is provided with a position sensor, the throttle body 1 is provided with a throttle channel 12, the driving mechanism 11 is in transmission connection with a driving shaft 2 extending into the throttle channel 12, one end of the driving shaft 2 away from the driving mechanism 11 is provided with a regular hexagon connecting slot 21, the regular hexagon connecting slot 21 is provided with a regular hexagon connecting post 22, one end of the regular hexagon connecting post 22 away from the driving mechanism 11 is provided with a throttle shaft 23, the throttle shaft 23 is provided with a throttle plate 24 matching with the throttle channel 12, one side of the throttle body 1 away from the driving mechanism 11 is provided with an assembling slot 3 matching with the throttle plate 24, the assembling slot 3 can be detached and fixedly connected with an arc-shaped cover plate 31, the arc-shaped cover, the throttle shaft 23 is rotatably fitted in the rotary groove 32 at an end remote from the drive mechanism 11.

By adopting the technical scheme of the utility model, because the end of the throttle shaft 23 far away from the driving mechanism 11 is rotatably assembled in the rotating groove 32, the throttle shaft 23 can rotate relative to the rotating groove 32, the driving mechanism 11 can drive the driving shaft 2 to rotate, the driving shaft 2 can drive the throttle shaft 23 to rotate by matching with the regular hexagon connecting groove 21 and the regular hexagon connecting column 22, the throttle shaft 23 can drive the throttle sheet 24 to rotate, and thus the opening angle of the throttle sheet 24 can be controlled by the driving mechanism 11; when the throttle shaft 23 and the throttle blade 24 need to be maintained, the arc-shaped cover plate 31 is taken down from the assembly groove 3, at the moment, the limit of one end of the throttle shaft 23, which is far away from the driving mechanism 11, is removed, and the regular hexagonal connecting column 22 is assembled in the regular hexagonal connecting groove 21, so that the throttle shaft 23 and the throttle blade 24 can be directly taken down through the assembly groove 3, and the throttle blade 24 and the throttle shaft 34 can be conveniently maintained; when the throttle shaft 23 and the throttle blade 24 need to be assembled on the throttle body 1, the regular hexagon connecting column 22, the throttle shaft 23 and the throttle blade 24 are directly placed into the throttle channel 12 through the assembling groove 3, the regular hexagon connecting column 22 is inserted into the regular hexagon connecting groove 21, then the arc-shaped cover plate 31 is installed on the assembling groove 3, the throttle shaft 23 is far away from one end of the driving mechanism 11 and is inserted into the rotating groove 32, so that the throttle shaft 23 and the throttle blade 24 are assembled on the throttle body 1, the whole assembling process is simple and rapid, time and labor are saved, and the assembling cost is low.

The utility model provides a throttle structure of carburetor, this throttle structure convenience assemble throttle shaft 23 and throttle plate 24 on throttle body 1, and whole equipment process is simple swift, labour saving and time saving, and the assembly cost is lower, the convenient dismantlement when maintaining throttle plate and throttle shaft simultaneously.

Preferably, the regular hexagonal connecting post 22, the throttle shaft 23 and the throttle blade 24 are of an integrally formed metal structure. Such a structure has strong structural stability, the throttle blade 24 is not easy to separate from the throttle shaft 23, the atomization effect of the carburetor is prevented from being reduced, and the use is facilitated. In fact, other structures with stronger stability can be considered according to the situation, the throttle plate 24 is not easy to separate from the throttle shaft 23, the atomization effect of the carburetor is prevented from being reduced, and the structure is beneficial to use.

Preferably, the throttle shaft 23 is provided with a circular groove 4 at one end away from the driving mechanism 11, and the circular groove 4 is sequentially provided with a spring 41 and a steel ball 42 from inside to outside. Such structure, under spring 41's spring action, steel ball 42 can keep the butt with rotating groove 32 inner wall, and regular hexagon spliced pole 22 can keep the butt with regular hexagon spread groove 21 inner wall, prevents throttle shaft 23 axial motion, influences throttle blade 24 normal use, uses steel ball 42 and rotates groove 32 inner wall butt and can reduce the friction, makes throttle shaft 23 pivoted more smooth and easy. In fact, other configurations that prevent axial movement of the throttle shaft 23 are contemplated as appropriate.

Preferably, both sides all are equipped with first connecting plate 43 about the arc apron 31, and both sides all are equipped with first connecting plate 43 assorted second connecting plate 44 about the assembly groove 3, adopt bolt and nut fixed connection between first connecting plate 43 and the second connecting plate 44. With the structure, the bolt and the nut between the first connecting plate 43 and the second connecting plate 44 are unscrewed, the arc-shaped cover plate 31 can be taken down from the assembling groove 3, the bolt and the nut between the first connecting plate 43 and the second connecting plate 44 are installed, and the arc-shaped cover plate 31 can be fixedly connected at the assembling groove 3, so that the arc-shaped cover plate 31 and the assembling groove 3 can be detachably and fixedly connected. In fact, other structures for realizing the detachable and fixed connection of the arc-shaped cover plate 31 and the assembly groove 3 can be considered according to the circumstances.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A throttle valve structure of a carburetor, comprising a throttle valve body (1) and a driving mechanism (11) installed on the side surface of the throttle valve body (1), wherein the driving mechanism (11) is provided with a position sensor, the throttle valve body (1) is provided with a throttle valve channel (12), and the carburetor is characterized in that: the driving mechanism (11) is connected with a driving shaft (2) extending into the throttle valve channel (12) in a transmission way, one end of the driving shaft (2) far away from the driving mechanism (11) is provided with a regular hexagon connecting groove (21), the regular hexagonal connecting groove (21) is provided with a regular hexagonal connecting column (22), one end of the regular hexagonal connecting column (22) far away from the driving mechanism (11) is provided with a throttle shaft (23), the throttle shaft (23) is provided with a throttle blade (24) which is matched with the throttle channel (12), an assembling groove (3) matched with a throttle sheet (24) is arranged on one side of the throttle body (1) far away from the driving mechanism (11), the assembling groove (3) is detachably and fixedly connected with an arc-shaped cover plate (31), the arc-shaped cover plate (31) is provided with a rotating groove (32) matched with the throttle shaft (23), the throttle shaft (23) is rotatably assembled in the rotary groove (32) at one end far away from the driving mechanism (11).

2. A throttle valve structure of a carburetor according to claim 1, wherein: the regular hexagon connecting column (22), the throttle valve shaft (23) and the throttle valve sheet (24) are of an integrally formed metal structure.

3. A throttle valve structure of a carburetor according to claim 1, wherein: the throttle shaft (23) is far away from one end of the driving mechanism (11) and is provided with a circular groove (4), and the circular groove (4) is sequentially provided with a spring (41) and a steel ball (42) from inside to outside.

4. A throttle valve structure of a carburetor according to claim 1, wherein: both sides all are equipped with first connecting plate (43) about arc apron (31), both sides all are equipped with second connecting plate (44) with first connecting plate (43) assorted about assembly groove (3), adopt bolt and nut fixed connection between first connecting plate (43) and second connecting plate (44).