CN220955843U - Speed regulator for electronic injection gasoline engine - Google Patents

Speed regulator for electronic injection gasoline engine Download PDF

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Publication number
CN220955843U
CN220955843U CN202323142322.3U CN202323142322U CN220955843U CN 220955843 U CN220955843 U CN 220955843U CN 202323142322 U CN202323142322 U CN 202323142322U CN 220955843 U CN220955843 U CN 220955843U
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CN
China
Prior art keywords
shell
connecting piece
magnet
shaft sleeve
rotating shaft
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Active
Application number
CN202323142322.3U
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Chinese (zh)
Inventor
李红星
付强
夏勇刚
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Chongqing Hecheng Electric Appliance Co ltd
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Chongqing Hecheng Electric Appliance Co ltd
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Abstract

The utility model discloses a speed regulator for an electronic injection gasoline engine, which comprises a shell, a Hall module, a rotating shaft, a magnet and a rotary handle, wherein the shell is provided with a rotary handle; the bottom of the shell is provided with a through hole; one end of the rotating shaft is provided with a connecting piece, the connecting piece is provided with a groove, and the magnet is embedded in the groove; the rotating shaft is sleeved with a shaft sleeve, and one ends of the rotating shaft and the shaft sleeve penetrate through the through hole and are connected with the rotating handle; the Hall module comprises a PCB circuit board, a Hall sensor and a wire harness, wherein a supporting structure is arranged on the inner side of the opening end of the shell, and the PCB circuit board is connected with the supporting structure; at the open end of the housing, one side facing away from the PCB is filled with epoxy. The utility model has simple and compact structure, more convenient processing and can effectively improve the production efficiency, thereby reducing the production cost; meanwhile, the size of the whole speed regulator can be effectively reduced, the assembly and the use are convenient, and the use stability is better.

Description

Speed regulator for electronic injection gasoline engine
Technical Field
The utility model relates to the technical field of engine speed regulators, in particular to a speed regulator for an electronic injection gasoline engine.
Background
At present, the speed regulator of the electric injection gasoline engine of the motorcycle comprising two wheels and tricycles is realized by adopting a mode that the electric brush head and a resistor strip on a substrate slide to change the resistance value, and the mode is easy to generate abrasion after the electric brush head and the resistor strip are used for a long time, so that the output precision is gradually reduced, and finally, the product is invalid. Meanwhile, the existing speed regulator has relatively complex product structure, relatively large whole volume and inconvenient installation in a smaller space; the installation requirement of compact structure of the existing whole vehicle cannot be met. In addition, the product structure is relatively complex, the production efficiency of the existing speed regulator is relatively low, and the parts and the production cost are relatively high.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to solve the technical problems existing in the prior art and provide the speed regulator for the electronic injection gasoline engine, which has the advantages of simple and compact structure, more convenient processing, and capability of effectively improving the production efficiency, thereby reducing the production cost; meanwhile, the size of the whole speed regulator can be effectively reduced, the assembly and the use are convenient, and the use stability is better.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a speed regulator for an electronic injection gasoline engine comprises a shell, a Hall module, a rotating shaft, a magnet and a rotary handle; the method is characterized in that: the shell is of a cylindrical structure, and a through hole is formed in the bottom of the shell; one end of the rotating shaft is provided with a connecting piece in an injection molding mode, one side, away from the rotating shaft, of the connecting piece is provided with a groove, and the magnet is embedded in the groove; the shaft sleeve is sleeved with a shaft sleeve, one end of the shaft sleeve, which is away from the connecting piece, is also provided with a clamp spring, the clamp spring is clamped with the shaft, and the shaft sleeve and the connecting piece are tightly attached together under the action of the clamp spring; one end of the rotating shaft and one end of the shaft sleeve, which are far away from the connecting piece, penetrate through the through hole at the bottom of the shell, then extend out of the shell, are connected with the rotating handle, and one end of the shaft sleeve, which is close to the connecting piece, is clamped with the shell;
The Hall module comprises a PCB circuit board, a Hall sensor and a wire harness, wherein a supporting structure is arranged on the inner side of the opening end of the shell, the PCB circuit board is connected with the supporting structure, the Hall sensor is positioned on one side, close to the magnet, of the PCB circuit board and is opposite to the magnet, and a gap is reserved between the Hall sensor and the magnet and/or the connecting piece; the wire harness is positioned at one side of the PCB, which is away from the magnet, and extends out of the shell from one side of the shell; at the open end of the housing, one side facing away from the PCB is filled with epoxy.
Further, one end of the rotating shaft connected with the connecting piece is provided with a T-shaped positioning plate.
Further, one side of the connecting piece is provided with a limiting block protruding out of the connecting piece, correspondingly, the inner side of the shell is provided with a limiting structure, and the limiting block can be matched with the limiting structure and move in the limiting range of the limiting structure.
Further, the limiting structure is two limiting blocks which are located on the inner wall of the shell and located on the same circumference at intervals, and the limiting block is located between the two limiting blocks.
Further, the limit structure is an arc limit groove circumferentially arranged around the inner wall of the shell, and the limit block is positioned in the limit groove.
Further, the supporting structure is a stepped groove arranged on the inner wall of the opening end of the shell, and the bottom of the stepped groove forms a supporting surface.
Further, the PCB is bonded with the supporting structure through an adhesive.
Further, a sealing ring is arranged between the rotating shaft and the shaft sleeve.
Further, an external thread is arranged on the outer wall of the shaft sleeve, and a locking nut is arranged on the shaft sleeve in a threaded fit manner and used for fixing during assembly.
Further, the groove is filled with a filler, and the magnet is encapsulated in the groove through the filler.
Compared with the prior art, the utility model has the following advantages:
1. the magnet is in clearance fit with the Hall sensor, so that the volume of a product is reduced, and the product can be installed in a smaller space; meanwhile, the product cost is reduced, and the cost performance of the commodity is improved.
2. By adopting the Hall type non-contact speed regulator scheme, the part loss caused by friction and the like is avoided, so that the control accuracy, reliability and stability of the product can be improved, and the service life of the product is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the rotating shaft.
Fig. 3 is a schematic structural view of the connector.
In the figure: 1-shell, 2-rotating shaft, 3-magnet, 4-rotating handle, 5-connecting piece, 6-shaft sleeve, 7-jump ring, 8-PCB circuit board, 9-hall sensor, 10-pencil, 11-epoxy, 12-lock nut, 13-T shaped plate, 14-stopper.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
Examples: referring to fig. 1, 2 and 3, a speed regulator for an electronic injection gasoline engine comprises a shell 1, a hall module, a rotating shaft 2, a magnet 3 and a rotary handle 4. The shell 1 is in a cylindrical structure (one end is an open end, and the other end is a shell bottom), and the shell bottom is provided with a through hole. One end injection moulding of pivot 2 has a connecting piece 5, and during the implementation, the one end that pivot 2 links to each other with connecting piece 5 has a locating plate that is T shape, like this, forms the spread groove between T shaped plate 13 and the pivot 2 terminal surface, during the injection moulding, the glue solution can get into in this spread groove to can avoid pivot 2 and connecting piece 5 to drop, simultaneously, adopts T shaped plate structure, and pivot 2 rotates the in-process, can drive connecting piece 5 rotation better. The side of the connecting piece 5, which is away from the rotating shaft 2, is provided with a groove, and the magnet 3 is embedded in the groove; during processing, the groove is arranged on the same axis as the rotating shaft 2, so that the rotation synchronism is better. The groove is filled with a filler, and the magnet 3 is encapsulated in the groove through the filler, so that the magnet 3 and the connecting piece 5 are fixed together.
In specific implementation, one side of the connecting piece 5 is provided with a limiting block 14 protruding from the connecting piece 5, correspondingly, a limiting structure is arranged on the inner side of the shell 1, and the limiting block 14 can be matched with the limiting structure and move in the limiting range of the limiting structure. Therefore, the situation that the rotating angle of the rotating shaft 2 cannot be accurately detected due to excessive rotation is avoided, and the control accuracy and stability of the speed regulator are further improved. As an embodiment, the limiting structure is two spacing limit stops located on the inner wall of the casing 1 and located on the same circumference, and the limiting block 14 is located between the two spacing limit stops. As another embodiment, the limiting structure is an arc limiting groove circumferentially arranged around the inner wall of the housing 1, and the limiting block 14 is located in the limiting groove.
The rotating shaft 2 is sleeved with a shaft sleeve 6, one end of the shaft sleeve 6, which is away from the connecting piece 5, is also provided with a clamp spring 7, the clamp spring 7 is clamped with the rotating shaft 2, and the shaft sleeve 6 is tightly attached to the connecting piece 5 under the action of the clamp spring 7. One end of the rotating shaft 2 and the shaft sleeve 6 far away from the connecting piece 5 penetrates through the through hole at the bottom of the shell and then stretches out of the shell 1, the rotating shaft and the shaft sleeve are connected with the rotating handle 4, and one end of the shaft sleeve 6 near the connecting piece 5 is clamped with the shell 1. In the implementation process, a sealing ring is arranged between the rotating shaft 2 and the shaft sleeve 6. The outer wall of the shaft sleeve 6 is provided with external threads, and the shaft sleeve 6 is provided with a locking nut 12 in a threaded fit for fixing during assembly.
The hall module includes PCB circuit board 8, hall sensor 9 and pencil 10, in this scheme, has integrated hall circuit on the PCB circuit board 8, and hall circuit adopts ripe prior art, can detect out the rotation angle of pivot 2. The inner side of the opening end of the shell 1 is provided with a supporting structure, the PCB 8 is connected with the supporting structure, and when the PCB is in implementation, the supporting structure is a stepped groove arranged on the inner wall of the opening end of the shell 1, and the bottom of the stepped groove forms a supporting surface. For ease of processing, the PCB 8 is bonded to the support structure by an adhesive. The hall sensor 9 is located on one side of the PCB 8 close to the magnet 3 and is opposite to the magnet 3, and a gap is formed between the hall sensor 9 and the magnet 3 and/or the connecting piece 5. The wire harness 10 is located on the side of the PCB circuit board 8 facing away from the magnet 3 and protrudes from the housing 1 from one side of the housing 1. At the open end of the housing 1, one side facing away from the PCB 8 is filled with epoxy resin 11, realizing the encapsulation of the housing 1.
In the processing process, one end of the rotating shaft 2 and the connecting piece 5 are subjected to injection molding, a groove is formed in the connecting piece 5, then the magnet 3 is arranged in the groove, and the packing and the fixing are carried out by adopting a filling agent. Then, a sealing ring is arranged on the rotating shaft 2, the rotating shaft 2 is inserted into a hole of the shaft sleeve 6, the E-shaped clamp spring 7 is used for fixing, and the E-shaped clamp spring is inserted into a through hole of the shell 1 and assembled on the shell 1. Finally, the Hall module is put into the shell housing 1, fixed by an adhesive, and then the housing 1 is poured and packaged, and the assembly is completed after the drying treatment. The whole assembly process is convenient and quick, and the production efficiency can be greatly improved.
According to the scheme, the magnet 3 is in clearance fit with the Hall sensor 9, so that the volume of a product is reduced, and the product can be installed in a small space; meanwhile, the product cost is reduced, and the cost performance of the commodity is improved. By adopting the Hall type non-contact speed regulator scheme, the part loss caused by friction and the like is avoided, so that the control accuracy, reliability and stability of the product can be improved, and the service life of the product is prolonged.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the technical solution, and those skilled in the art should understand that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the present utility model, and all such modifications and equivalents are included in the scope of the claims.

Claims (10)

1. A speed regulator for an electronic injection gasoline engine comprises a shell, a Hall module, a rotating shaft, a magnet and a rotary handle; the method is characterized in that: the shell is of a cylindrical structure, and a through hole is formed in the bottom of the shell; one end of the rotating shaft is provided with a connecting piece in an injection molding mode, one side, away from the rotating shaft, of the connecting piece is provided with a groove, and the magnet is embedded in the groove; the shaft sleeve is sleeved with a shaft sleeve, one end of the shaft sleeve, which is away from the connecting piece, is also provided with a clamp spring, the clamp spring is clamped with the shaft, and the shaft sleeve and the connecting piece are tightly attached together under the action of the clamp spring; one end of the rotating shaft and one end of the shaft sleeve, which are far away from the connecting piece, penetrate through the through hole at the bottom of the shell, then extend out of the shell, are connected with the rotating handle, and one end of the shaft sleeve, which is close to the connecting piece, is clamped with the shell;
The Hall module comprises a PCB circuit board, a Hall sensor and a wire harness, wherein a supporting structure is arranged on the inner side of the opening end of the shell, the PCB circuit board is connected with the supporting structure, the Hall sensor is positioned on one side, close to the magnet, of the PCB circuit board and is opposite to the magnet, and a gap is reserved between the Hall sensor and the magnet and/or the connecting piece; the wire harness is positioned at one side of the PCB, which is away from the magnet, and extends out of the shell from one side of the shell; at the open end of the housing, one side facing away from the PCB is filled with epoxy.
2. The governor for an electronic fuel injection engine according to claim 1, characterized in that: one end of the rotating shaft connected with the connecting piece is provided with a T-shaped positioning plate.
3. The governor for an electronic fuel injection engine according to claim 1, characterized in that: one side of the connecting piece is provided with a limiting block protruding out of the connecting piece, correspondingly, the inner side of the shell is provided with a limiting structure, and the limiting block can be matched with the limiting structure and move in the limiting range of the limiting structure.
4. A regulator for an electronic fuel injection engine according to claim 3, characterized in that: the limiting structure is a limiting stop block which is positioned on the inner wall of the shell and positioned on the same circumference and is distributed at two intervals, and the limiting block is positioned between the two limiting stops.
5. A regulator for an electronic fuel injection engine according to claim 3, characterized in that: the limit structure is an arc limit groove circumferentially arranged around the inner wall of the shell, and the limit block is positioned in the limit groove.
6. The governor for an electronic fuel injection engine according to claim 1, characterized in that: the supporting structure is a stepped groove arranged on the inner wall of the opening end of the shell, and the bottom of the stepped groove forms a supporting surface.
7. The governor for an electronic fuel injection engine according to claim 1, characterized in that: the PCB is bonded with the supporting structure through an adhesive.
8. The governor for an electronic fuel injection engine according to claim 1, characterized in that: a sealing ring is arranged between the rotating shaft and the shaft sleeve.
9. The governor for an electronic fuel injection engine according to claim 1, characterized in that: the outer wall of the shaft sleeve is provided with external threads, and the shaft sleeve is provided with a locking nut in a threaded fit manner for fixing during assembly.
10. The governor for an electronic fuel injection engine according to claim 1, characterized in that: the groove is filled with a filler, and the magnet is encapsulated in the groove through the filler.
CN202323142322.3U 2023-11-21 2023-11-21 Speed regulator for electronic injection gasoline engine Active CN220955843U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323142322.3U CN220955843U (en) 2023-11-21 2023-11-21 Speed regulator for electronic injection gasoline engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323142322.3U CN220955843U (en) 2023-11-21 2023-11-21 Speed regulator for electronic injection gasoline engine

Publications (1)

Publication Number Publication Date
CN220955843U true CN220955843U (en) 2024-05-14

Family

ID=91017139

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323142322.3U Active CN220955843U (en) 2023-11-21 2023-11-21 Speed regulator for electronic injection gasoline engine

Country Status (1)

Country Link
CN (1) CN220955843U (en)

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