CN216518279U - Gasoline engine output structure for water pump - Google Patents
Gasoline engine output structure for water pump Download PDFInfo
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- CN216518279U CN216518279U CN202220006122.1U CN202220006122U CN216518279U CN 216518279 U CN216518279 U CN 216518279U CN 202220006122 U CN202220006122 U CN 202220006122U CN 216518279 U CN216518279 U CN 216518279U
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- gasoline engine
- water pump
- output shaft
- flywheel
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Abstract
The utility model discloses a gasoline engine output structure for a water pump, which comprises a gasoline engine flywheel, a gasoline engine fan cover and an output shaft, wherein the output shaft is connected with the gasoline engine flywheel; the gasoline engine fan cover is provided with a bearing, and the output shaft is connected with the gasoline engine fan cover through the bearing; the other end of the output shaft is connected with a water pump. The beneficial effects are that: the utility model has simple operation and convenient use, and can save the cost while exerting the performance of the water pump to the maximum extent.
Description
Technical Field
The utility model relates to the technical field of gasoline engines, in particular to a gasoline engine output structure for a water pump.
Background
The output structure of the traditional gasoline engine generally adopts two modes according to the difference of matched machines, one mode is that a flywheel is provided with a tension block, and the function of linkage with the machines is achieved through rotating speed clutch; the other is to directly connect the lengthened crankshaft with the machine to achieve the linkage function. The first mode is generally used in garden machinery for matching with a brush cutter, a mini-tiller, a ground auger and other complete machines, and the second mode is generally used in agricultural plant protection machinery for matching with a water pump and other machines. However, the second method is to lengthen the crankshaft, which causes a series of problems, in order to ensure the rigidity of the crankshaft, the shaft diameter needs to be thickened, and parts such as the crankshaft and the crankcase need to be redesigned, which increases the cost, in addition, the jumping value of the output end of the lengthened crankshaft is difficult to ensure, because the jumping value of the crankshaft is large, the water pump impeller and the crankshaft are easy to interfere with the water pump volute after being assembled, so that only the gap between the water pump impeller and the water pump volute can be increased, and the gap between the water pump impeller and the water pump volute is an important factor affecting the performance of the water pump, and the performance of the water pump is seriously affected by the method of lengthening the crankshaft.
Disclosure of Invention
The utility model aims to provide an output structure of a gasoline engine for a water pump, which is used for improving the performance of the water pump and reducing the cost.
The technical scheme of the utility model is as follows:
the utility model provides a gasoline engine output structure for water pump, includes gasoline engine flywheel, gasoline engine fan casing, output shaft, its characterized in that: the output shaft is connected with a gasoline engine flywheel; an excircle positioning structure and a mounting disc are arranged at one end of the output shaft, the gasoline engine flywheel is provided with a central positioning hole and a mounting boss, the output shaft and the gasoline engine flywheel are radially positioned through the excircle positioning structure and the central positioning hole, and the output shaft and the gasoline engine flywheel are axially positioned through the mounting disc and the mounting boss; the gasoline engine fan cover is provided with a bearing, and the output shaft is connected with the gasoline engine fan cover through the bearing; the other end of the output shaft is connected with the water pump. The output shaft of the utility model is fixedly connected with the flywheel of the gasoline engine through screws.
The utility model has the beneficial effects that:
compared with the traditional gasoline engine output structure for the water pump, the gasoline engine output structure for the water pump has the advantages that the output shaft is the half shaft, the rigidity and the coaxiality are better compared with a lengthened crankshaft, the fan cover is additionally provided with the bearing to support the output shaft, the jumping of the output shaft end can be greatly reduced, the optimal gap between the water pump impeller and the water pump volute is ensured, meanwhile, parts such as a crank case, a crank shaft and the like do not need to be additionally designed and manufactured, and the gasoline engine output structure for the water pump can be used for multiple purposes. The utility model has simple operation and convenient use, ensures the performance of the water pump and saves the cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model.
Fig. 1 is a schematic diagram of an output structure of a gasoline engine for a water pump.
The numbering in the drawings illustrates:
1. a gasoline engine flywheel; 2. a gasoline engine fan cover; 3. an output shaft; 4. an outer circle positioning structure; 5. mounting a disc; 6. a central positioning hole; 7. mounting a boss; 8. a bearing; 9. a water pump impeller; 10. a water pump volute.
Detailed Description
It should be noted that, in the following paragraphs, possible directional terms including, but not limited to, "upper, lower, left, right, front, rear, inner and outer" etc. are used for convenience only to facilitate those skilled in the art to better understand the technical solution of the present invention, and should not be construed as limiting the scope or technical solution of the present invention.
It should also be noted that the terms "mounted," "assembled," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited. For example, the connection can be fixed connection or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the creation of the present invention can be understood by those skilled in the art according to specific situations.
The utility model will be further explained with reference to the drawings.
As shown in figure 1, a gasoline engine output structure for water pump, including gasoline engine flywheel 1, gasoline engine fan casing 2, output shaft 3, its characterized in that: the output shaft 3 is connected with a gasoline engine flywheel 1; an outer circle positioning structure 4 and a mounting disc 5 are arranged at one end of the output shaft 3, the gasoline engine flywheel 1 is provided with a central positioning hole 6 and a mounting boss 7, the output shaft 3 and the gasoline engine flywheel 1 are radially positioned through the outer circle positioning structure 4 and the central positioning hole 6, and the output shaft 3 and the gasoline engine flywheel 1 are axially positioned through the mounting disc 5 and the mounting boss 7; the gasoline engine fan cover 2 is provided with a bearing 8, and the output shaft 3 is connected with the gasoline engine fan cover 2 through the bearing 8; the other end of the output shaft 3 is connected with the water pump impeller 9, and the rigidity and the coaxiality of the output shaft 3 are good, and the gasoline engine fan cover 2 is provided with the bearing 8, so that the jumping value of the water pump impeller 9 is reduced to the maximum extent, the optimal fit clearance between the water pump impeller 9 and the water pump volute 10 is ensured, and the overall performance of the water pump is ensured.
The drawings and description above represent only preferred embodiments of the utility model and are not intended to limit the utility model, since numerous modifications and variations will readily occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (2)
1. The utility model provides a gasoline engine output structure for water pump, includes gasoline engine flywheel, gasoline engine fan casing, output shaft, its characterized in that: the output shaft is connected with a gasoline engine flywheel; an excircle positioning structure and a mounting disc are arranged at one end of the output shaft, the gasoline engine flywheel is provided with a central positioning hole and a mounting boss, the output shaft and the gasoline engine flywheel are radially positioned through the excircle positioning structure and the central positioning hole, and the output shaft and the gasoline engine flywheel are axially positioned through the mounting disc and the mounting boss; the gasoline engine fan cover is provided with a bearing, and the output shaft is connected with the gasoline engine fan cover through the bearing; the other end of the output shaft is connected with the water pump.
2. The output structure of the gasoline engine for the water pump according to claim 1, characterized in that: the output shaft is fixedly connected with the flywheel of the gasoline engine through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220006122.1U CN216518279U (en) | 2022-01-05 | 2022-01-05 | Gasoline engine output structure for water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220006122.1U CN216518279U (en) | 2022-01-05 | 2022-01-05 | Gasoline engine output structure for water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216518279U true CN216518279U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220006122.1U Active CN216518279U (en) | 2022-01-05 | 2022-01-05 | Gasoline engine output structure for water pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN216518279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060145A (en) * | 2022-01-05 | 2022-02-18 | 山东华盛农业药械有限责任公司 | Gasoline engine output structure for water pump |
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2022
- 2022-01-05 CN CN202220006122.1U patent/CN216518279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060145A (en) * | 2022-01-05 | 2022-02-18 | 山东华盛农业药械有限责任公司 | Gasoline engine output structure for water pump |
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