CN219452275U - Mounting structure of fuel injector of throttle valve assembly of motorcycle - Google Patents
Mounting structure of fuel injector of throttle valve assembly of motorcycle Download PDFInfo
- Publication number
- CN219452275U CN219452275U CN202320542927.2U CN202320542927U CN219452275U CN 219452275 U CN219452275 U CN 219452275U CN 202320542927 U CN202320542927 U CN 202320542927U CN 219452275 U CN219452275 U CN 219452275U
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- fuel injector
- throttle valve
- mounting structure
- motorcycle
- valve assembly
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Abstract
The utility model provides a mounting structure of a fuel injector of a throttle valve assembly of a motorcycle, and belongs to the field of motorcycle accessories. The problem of inconvenient design of current sprayer has been solved to it. The mounting structure of the fuel injector of the throttle valve assembly of the motorcycle comprises a bar-shaped fuel injector shell and a valve body with an air passage, wherein the valve body is provided with a mounting hole communicated with the air passage, one end of the fuel injector shell is inserted into the mounting hole, a block body is formed on the valve body, and a positioning step is formed between the block body and the valve body; the positioning step consists of a step side wall and a step bottom wall, the oil sprayer shell is positioned in the positioning step, the mounting hole is formed in the step bottom wall, and the oil sprayer shell is formed with a shaft shoulder surface which is annular and tightly pressed on the step bottom wall; the block is fixedly provided with a locating rack, the locating rack comprises a sheet body parallel to the bottom wall of the step, and the sheet body is tightly pressed on the end face of the other end of the oil sprayer shell. The mounting structure of the fuel injector of the throttle valve assembly of the motorcycle is beneficial to the design of the fuel injector.
Description
Technical Field
The utility model belongs to the field of motorcycle accessories, and relates to a motorcycle throttle valve assembly, in particular to a fuel injector mounting structure of the motorcycle throttle valve assembly.
Background
The throttle body is a valve for controlling the intake air flow of the engine and is also one of the important components of the fuel system of the engine. The throttle body is typically mounted in front of the engine intake and is connected to the engine block, also known as the throat of the engine. The idle step motor is arranged on a bypass air passage of the throttle body and used for adjusting the rotating speed of the engine.
An existing electronic injection throttle valve of a motorcycle is disclosed as an electronic injection throttle valve body (application number: 202210043628.4) in China patent library, and comprises a body, wherein a control system is arranged on the body, a motor is fixed at the lower side end of the body, a throttle shaft actuating mechanism is arranged between the output end of the motor and the control system, the throttle shaft actuating mechanism is positioned in the body, and an oil injector mechanism is arranged outside the body; the control system comprises a shell fixed on the body, a PCB board is fixed in the shell, and the PCB board is electrically connected with a bus slot, a temperature sensor, a pressure sensor, a throttle opening position sensor, a circuit socket and a processing chip; the shell is made of resin, the shell and the PCB are encapsulated through epoxy resin glue filling, a pressure taking hole is formed in the shell, and the pressure sensor corresponds to the pressure taking hole; the oil sprayer mechanism comprises an oil sprayer, a sealing ring, an electric control plug and a high-pressure fuel input quick-mounting joint, and is arranged on the outer side of the body.
In the throttle valve, the fuel injector structure is fixedly connected with the body screw through the connecting edge formed on the shell to realize positioning. The existing fuel injector shell and connecting edge are generally formed by injection molding of plastic materials, and the factors such as the relative position of the connecting edge and the shell, the size of the connecting edge, the relative position of the connecting edge and the body and the like need to be considered in actual design, so that the design difficulty of the fuel injector shell is greatly increased.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and provides a fuel injector mounting structure of a throttle valve assembly of a motorcycle, which is convenient for designing a fuel injector.
The aim of the utility model can be achieved by the following technical scheme: the mounting structure of the fuel injector of the throttle valve assembly of the motorcycle, including the fuel injector shell taking the form of bar and valve block with air flue, there are mounting holes to communicate air flue on the valve block, and one end of the fuel injector shell is inserted in mounting hole, characterized by that, form the block on the valve block, form the locating step between valve block and the block; the positioning step consists of a step side wall and a step bottom wall, the oil sprayer shell is positioned in the positioning step, the mounting hole is formed in the step bottom wall, and the oil sprayer shell is formed with a shaft shoulder surface which is annular and tightly pressed on the step bottom wall; the block is fixedly provided with a locating rack, the locating rack comprises a sheet body parallel to the bottom wall of the step, and the sheet body is tightly pressed on the end face of the other end of the oil sprayer shell.
The application only needs shaping shoulder face on bar sprayer shell to with whole sprayer stable location under shoulder face and lamellar body cooperation, with the design of effectively simplifying sprayer location, make things convenient for sprayer design and shaping.
In the mounting structure of the fuel injector of the motorcycle throttle valve assembly, a limiting structure for limiting the radial movement of the fuel injector shell is arranged between the fuel injector shell and the sheet body, so that the positioning strength and the positioning effect of the fuel injector are further enhanced.
In the mounting structure of the fuel injector of the motorcycle throttle valve assembly, the limiting structure comprises a convex column formed on the fuel injector shell and a jack penetrating through the sheet body and matched with the convex column, and the convex column is embedded in the jack. The convex column and the jack are matched to realize radial positioning of the fuel injector, and the convex column structure is added on the fuel injector shell, so that the structure is extremely simple and the design and the molding convenience of the fuel injector are not affected.
In the mounting structure of the fuel injector of the motorcycle throttle valve assembly, the convex column is in arc transition between the end face far away from the fuel injector shell and the side face of the convex column, and is used for guiding the convex column embedded into the jack, so that the assembly is convenient.
As another scheme, in the mounting structure of the fuel injector of the motorcycle throttle valve assembly, the end face of the fuel injector shell is provided with the positioning hole, and the limiting structure comprises a positioning column embedded in the positioning hole and a clamping hole penetrating through the sheet body and matched with the positioning column, and the positioning column is inserted in the clamping hole.
In the mounting structure of the fuel injector of the motorcycle throttle valve assembly, the positioning frame is of an integrated structure, the positioning frame further comprises an L-shaped connecting body, the connecting body is positioned between the sheet body and the block body, one end of the connecting body is connected with the sheet body, and the other end of the connecting body is fixed on the block body, so that the mounting structure has the advantages of being simple in structure and convenient to mount.
In the mounting structure of the fuel injector of the motorcycle throttle valve assembly, one end of the connecting body is pressed on the end face of the block body and is fixedly connected with the block body through the screw.
In the mounting structure of the fuel injector of the motorcycle throttle valve assembly, the end face of the block body, which is in contact with the connecting body, is provided with the guide part which is in cylindrical protrusion, the guide part is positioned on one side of the connecting body, the connecting body is provided with the arc groove matched with the guide part in a penetrating way, and the outer side wall of the guide part is attached to the inner wall of the arc groove. The circular arc groove is matched with the guide part and used for limiting the installation of the locating frame, so that the locating frame is installed in place at one time, and the assembly is convenient.
In the mounting structure of the fuel injector of the motorcycle throttle valve assembly, the fuel injector shell and the convex column are integrally formed in an injection molding mode.
Compared with the prior art, the mounting structure of the fuel injector of the throttle valve assembly of the motorcycle has the following advantages:
1. the application only needs shaping shoulder face on bar sprayer shell to with whole sprayer stable location under shoulder face and lamellar body cooperation, with the design of effectively simplifying sprayer location, make things convenient for sprayer design and shaping.
2. The convex column and the jack are matched to realize radial positioning of the fuel injector, and the convex column structure is added on the fuel injector shell, so that the structure is extremely simple and the design and the molding convenience of the fuel injector are not affected.
Drawings
FIG. 1 is a schematic perspective view of a throttle valve assembly for a motorcycle.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is a schematic view of the mounting structure of the fuel injector.
In the figure, 1, an oil sprayer shell; 1a, shaft shoulder surfaces; 1b, a convex column; 2. a valve body; 2a, airway; 2b, mounting holes; 2c, a block; 2d, positioning the step; 2d1, step side walls; 2d2, a step bottom wall; 2e, a guide part; 3. a positioning frame; 3a, sheet body; 3b, a connector; 3c, an arc groove; 4. and (5) a screw.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1 and 3, the present throttle valve assembly fuel injector mounting structure of the motorcycle includes a fuel injector housing 1 in the form of a bar and a valve body 2 provided with an air passage 2 a. Wherein, the valve body 2 is provided with a mounting hole 2b communicated with the air passage 2 a; one end of the oil sprayer shell 1 is an oil outlet end, and an oil inlet pipe is formed on the side wall of the other end. The oil outlet end of the oil sprayer shell 1 is inserted into the mounting hole 2b, and a seal is formed between the oil outlet end and the inner wall of the mounting hole 2b through a seal ring.
In particular the number of the elements,
as shown in fig. 1 and 3, a block 2c is integrally formed on the valve body 2, and a positioning step 2d is formed between the block 2c and the valve body 2. The positioning step 2d is constituted by a step side wall 2d1 and a step bottom wall 2d2, and it is preferable that the step side wall 2d1 and the step bottom wall 2d2 are vertically arranged. As shown in fig. 1, the injector housing 1 is located in a positioning step 2d, a step side wall 2d1 is provided in parallel with the injector housing 1, and a mounting hole 2b is provided on a step bottom wall 2d 2. The injector housing 1 is formed with a shoulder surface 1a which is annular and pressed against the step bottom wall 2d2, and the shoulder surface 1a is coaxial with the injector housing 1. The block 2c is fixedly provided with a positioning frame, the positioning frame comprises a sheet body 3a parallel to the step bottom wall 2d2, the oil sprayer shell 1 is positioned between the sheet body 3a and the step bottom wall 2d2, and the sheet body 3a is tightly pressed on the end face of the oil sprayer shell 1.
The application only needs shaping shoulder face 1a on bar sprayer shell 1 to with whole sprayer stable location under shoulder face 1a and lamellar body 3a cooperation, with the design of effectively simplifying sprayer location, make things convenient for sprayer design and shaping.
Further, a limiting structure for limiting the radial movement of the fuel injector shell 1 is arranged between the fuel injector shell 1 and the sheet body 3a, so that the positioning strength and the positioning effect of the fuel injector are further enhanced.
In the present embodiment of the present utility model, in the present embodiment,
the limit structure comprises a convex column 1b formed on the oil sprayer shell 1 and a jack penetrating through the sheet body 3a and matched with the convex column 1b, and the convex column 1b is embedded in the jack. The radial positioning of the fuel injector is realized by matching the convex column 1b with the jack, and the structure of the convex column 1b is very simple although the structure of the convex column 1b is added on the fuel injector shell 1, so that the design and the molding convenience of the fuel injector are not affected. Wherein, the projection 1b is kept away from and adopts the circular arc transition between the terminal surface of sprayer shell 1 and the projection 1b side for projection 1b embedding jack direction, convenient equipment. The injector housing 1 and the boss 1b are integrally formed by injection molding.
The positioning mode of the positioning frame is as follows: the locating rack is integrated into a whole structure, and this locating rack still includes the connector 3b that is L shape, and connector 3b is in between lamellar body 3a and the block 2c, and connector 3b one end is connected with lamellar body 3a, and the other end of connector 3b is fixed on block 2c, specifically, and connector 3b one end is pressed on block 2c terminal surface to link firmly with block 2c through screw 4.
Further, as shown in fig. 1 and 2, the end surface of the block 2c contacting the connector 3b has a guide portion 2e protruding in a cylindrical shape, the guide portion 2e is located on one side of the connector 3b, the connector 3b is provided with a circular arc groove 3c matched with the guide portion 2e in a penetrating manner, and the outer side wall of the guide portion 2e is attached to the inner wall of the circular arc groove 3 c. The circular arc groove 3c is matched with the guide part 2e and used for limiting the installation of the locating frame, so that the locating frame is installed in place at one time, and the assembly is convenient.
Example two
The structure and principle of the second embodiment are basically the same as those of the first embodiment, except that: the locating hole has been seted up on the terminal surface of sprayer shell 1, and limit structure includes the reference column of inlaying in the locating hole and runs through the card hole that sets up on lamellar body 3a and match with the reference column, and the reference column inserts and inlays in the card hole.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The mounting structure of the fuel injector of the throttle valve assembly of the motorcycle comprises a fuel injector shell (1) in a strip shape and a valve body (2) with an air passage (2 a), wherein a mounting hole (2 b) communicated with the air passage (2 a) is formed in the valve body (2), and one end of the fuel injector shell (1) is inserted into the mounting hole (2 b), and the mounting structure is characterized in that a block body (2 c) is formed on the valve body (2), and a positioning step (2 d) is formed between the block body (2 c) and the valve body (2); the positioning step (2 d) is formed by a step side wall (2 d 1) and a step bottom wall (2 d 2), the oil sprayer shell (1) is positioned in the positioning step (2 d), the mounting hole (2 b) is formed in the step bottom wall (2 d 2), and the oil sprayer shell (1) is formed with a shaft shoulder surface (1 a) which is annular and is tightly pressed on the step bottom wall (2 d 2); the block body (2 c) is fixedly provided with a locating frame (3), the locating frame (3) comprises a sheet body (3 a) parallel to the bottom wall (2 d 2) of the step, and the sheet body (3 a) is tightly pressed on the end face of the other end of the oil sprayer shell (1).
2. The mounting structure of the fuel injector of the motorcycle throttle valve assembly according to claim 1, characterized in that a limiting structure for limiting the radial movement of the fuel injector housing (1) is arranged between the fuel injector housing (1) and the sheet body (3 a).
3. The mounting structure of a motorcycle throttle valve assembly fuel injector according to claim 2, characterized in that the limit structure comprises a boss (1 b) formed on the fuel injector housing (1) and a jack penetrating through the sheet body (3 a) and matching with the boss (1 b), and the boss (1 b) is embedded in the jack.
4. A motorcycle throttle valve assembly fuel injector mounting structure according to claim 3, characterized in that the end face of the boss (1 b) remote from the fuel injector housing (1) and the side face of the boss (1 b) adopt a circular arc transition.
5. The mounting structure of the fuel injector of the motorcycle throttle valve assembly according to claim 2, characterized in that a positioning hole is formed in the end face of the fuel injector shell (1), the limiting structure comprises a positioning column embedded in the positioning hole and a clamping hole penetrating through the sheet body (3 a) and matched with the positioning column, and the positioning column is embedded in the clamping hole.
6. The mounting structure of a fuel injector for a throttle valve assembly of a motorcycle according to claim 1, characterized in that the positioning frame (3) is of an integral structure, the positioning frame (3) further comprises an L-shaped connecting body (3 b), the connecting body (3 b) is positioned between the sheet body (3 a) and the block body (2 c), one end of the connecting body (3 b) is connected with the sheet body (3 a), and the other end of the connecting body (3 b) is fixed on the block body (2 c).
7. The fuel injector mounting structure of the motorcycle throttle valve assembly according to claim 6, wherein one end of the connecting body (3 b) is pressed against the end face of the block body (2 c) and is fixedly connected with the block body (2 c) by the screw (4).
8. The mounting structure of a fuel injector for a throttle valve assembly of a motorcycle according to claim 7, characterized in that the end face of the block body (2 c) contacting the connecting body (3 b) is provided with a guide part (2 e) protruding in a cylindrical shape, the guide part (2 e) is positioned on one side of the connecting body (3 b), the connecting body (3 b) is provided with a circular arc groove (3 c) matched with the guide part (2 e) in a penetrating manner, and the outer side wall of the guide part (2 e) is attached to the inner wall of the circular arc groove (3 c).
9. A motorcycle throttle valve assembly fuel injector mounting structure according to claim 3 or 4, characterized in that the fuel injector housing (1) and the boss (1 b) are integrally formed by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320542927.2U CN219452275U (en) | 2023-03-16 | 2023-03-16 | Mounting structure of fuel injector of throttle valve assembly of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320542927.2U CN219452275U (en) | 2023-03-16 | 2023-03-16 | Mounting structure of fuel injector of throttle valve assembly of motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219452275U true CN219452275U (en) | 2023-08-01 |
Family
ID=87421741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320542927.2U Active CN219452275U (en) | 2023-03-16 | 2023-03-16 | Mounting structure of fuel injector of throttle valve assembly of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219452275U (en) |
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2023
- 2023-03-16 CN CN202320542927.2U patent/CN219452275U/en active Active
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