CN215292613U - Pump cover and oil pump - Google Patents
Pump cover and oil pump Download PDFInfo
- Publication number
- CN215292613U CN215292613U CN202121640111.0U CN202121640111U CN215292613U CN 215292613 U CN215292613 U CN 215292613U CN 202121640111 U CN202121640111 U CN 202121640111U CN 215292613 U CN215292613 U CN 215292613U
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- oil
- pump
- cover
- pump cover
- bottom plate
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Abstract
An oil pump comprises a bottom plate, a pump cover, an inner rotor, an outer rotor, a rotating shaft and a gear; inner rotor and outer rotor setting are in the pump chamber, be provided with the pump chamber on the medial surface of pump cover, oil feed passageway and the passageway of producing oil, the output of oil feed passageway and the input of the passageway of producing oil communicate with the pump chamber respectively, the passageway of producing oil is kept away from pump chamber one end and is provided with the oil-out, the oil-out sets up on the lateral surface of pump cover, the bottom plate sets up on the medial surface of pump cover and blocks the pump chamber on the pump cover, oil feed passageway and the passageway of producing oil, be provided with the oil inlet on the bottom plate, oil inlet and oil feed passageway intercommunication. By adopting the technical scheme, the oil pump is simple in structure, easy to produce and capable of being adapted to a two-stage filtering device of an engine.
Description
Technical Field
The utility model belongs to the technical field of the oil pump technique of being applied to motorcycle engine and specifically relates to a pump cover and oil pump.
Background
The engine oil pump is used for pumping the engine oil in the engine oil tank into an oil way system of the engine and lubricating the engine through the oil way system, and the existing engine oil pump cannot be well adapted to a motorcycle engine with a two-stage filtering device, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pump casing and adopt oil pump of this pump casing has rational in infrastructure to can communicate the characteristics of the oil circuit of right crankcase and right crankcase lid. In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a pump cover, be provided with pump chamber, oil feed passageway and the passageway of producing oil on the medial surface of pump cover, the output of oil feed passageway and the input of the passageway of producing oil communicate with the pump chamber respectively, the passageway of producing oil is kept away from pump chamber one end and is provided with the oil-out, the oil-out sets up on the lateral surface of pump cover, the medial surface and the lateral surface of pump cover are two sides of relative setting, be provided with first through-hole in the pump chamber, first through-hole link up the lateral surface of pump cover, be provided with oil feed tank and oil production groove in the pump chamber, the oil feed tank setting is close to oil feed passageway one side and communicates with the output of oil feed passageway in the pump chamber, oil production groove sets up in the pump chamber and is close to oil production passageway one side and communicates with the input of the passageway of producing oil, be provided with the installation hole site on the pump cover.
Further, oil outlet department is provided with out oil pipe, it stretches out the outside of pump cover to go out oil pipe, O type circle has been cup jointed on the outer wall of play oil pipe, it is provided with O type circle mounting groove to be close to out oil pipe department on the lateral surface of pump cover.
An oil pump adopting the pump cover comprises a bottom plate, the pump cover, an inner rotor arranged in the pump cover, an outer rotor arranged in the pump cover, a rotating shaft penetrating through an inner hole of the inner rotor and a gear sleeved on the rotating shaft; the inner rotor and the outer rotor are arranged in the pump chamber, the bottom plate is arranged on the inner side face of the pump cover and seals and blocks the pump chamber, the oil inlet channel and the oil outlet channel on the pump cover, an oil inlet is formed in the bottom plate, and the oil inlet is communicated with the oil inlet channel.
Furthermore, be provided with the second through-hole on the bottom plate, the one end of pivot is stretched out the outside of first through-hole and is provided with the jump ring for the axle, the other end of pivot stretches out the outside of second through-hole and installs the gear.
Furthermore, a pin shaft mounting hole is formed in the side wall of the rotating shaft, a pin shaft is arranged in the pin shaft mounting hole, and a containing groove is formed in the gear corresponding to the pin shaft.
Furthermore, the mounting holes comprise a plurality of first mounting holes and a plurality of second mounting holes, the pump cover is connected with the bottom plate through the first mounting holes, and the oil pump is mounted on a right crankcase of the engine through the second mounting holes.
Furthermore, the oil pump is installed on a right crankcase, an installation platform is arranged on the right crankcase, a right crankcase oil outlet is arranged on the installation platform, a bottom plate is arranged on the installation platform, and an oil inlet in the bottom plate is communicated with the right crankcase oil outlet.
Furthermore, an oil outlet of the oil pump is in butt joint with an oil inlet end of the right crankcase cover, a first oil path is arranged on the right crankcase cover, a first oil path oil inlet is formed in the end portion, located on the inner side of the right crankcase cover, of the first oil path, and the oil outlet of the oil pump is communicated with the first oil path oil inlet.
By adopting the technical scheme, the oil pump adopts an inner rotor and outer rotor form, the main body part of the oil pump consists of the pump cover of a casting and the bottom plate of a plate, the structure is simple, the production is easy, the oil pumping quantity of the inner rotor and outer rotor type oil pump is large, the oil inlet and the oil outlet of the oil pump are respectively arranged at two sides of the oil pump through specially optimizing an oil way, the oil outlet end of a right crankcase and the oil inlet end of a right crankcase cover can be communicated, the right crankcase provided with a first filtering mechanism for filtering engine oil and the right crankcase cover provided with a second filtering mechanism are matched, after the engine oil is filtered by the first filtering mechanism, the engine oil is pumped into the second filtering mechanism by the oil pump, the double-stage filtration of the engine oil is realized, and the quality of the engine oil is improved.
Drawings
Fig. 1 is a schematic diagram of an oil pump.
Fig. 2 is an exploded schematic view of the oil pump.
Fig. 3 is a schematic view of a pump housing.
Fig. 4 is a schematic view of an oil pump mounted on a right crankcase.
FIG. 5 is a schematic view of the connection between the oil pump and the right crankcase cover.
Detailed Description
The present invention will be described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, an oil pump 1 includes a bottom plate 2, a pump cover 3, an inner rotor 4 disposed in the pump cover 3, an outer rotor 5 disposed in the pump cover 3, a rotating shaft 6 passing through an inner hole of the inner rotor 4, and a gear 7 sleeved on the rotating shaft 6.
Be provided with pump chamber 8 on the medial surface of pump housing 3, oil feed passageway 9 and oil outlet passageway 10, the output of oil feed passageway 9 and the input of oil outlet passageway 10 communicate with pump chamber 8 respectively, oil outlet passageway 10 is kept away from 8 one ends of pump chamber and is provided with oil-out 11, oil-out 11 sets up on the lateral surface of pump housing 3, the medial surface and the lateral surface of pump housing 3 are two sides of relative setting, oil-out 11 department is provided with out oil pipe 12, go out oil pipe 12 and stretch out the outside of pump housing 3, O type circle 13 has been cup jointed on the outer wall of play oil pipe 12, be close to on the lateral surface of pump housing 3 and go out oil pipe 12 department and be provided with O type circle mounting groove 14. Be provided with first through-hole 15 in the pump chamber 8, first through-hole 15 link up the lateral surface to pump cover 3, is provided with oil feed tank 16 and oil outlet tank 17 in the pump chamber 8, and oil feed tank 16 sets up and is close to oil feed passageway 9 one side and communicates with the output of oil feed passageway 9 in pump chamber 8, and oil outlet tank 17 sets up and is close to oil outlet passageway 10 one side and communicates with the input of oil outlet passageway 10 in pump chamber 8.
The pump housing 3 is provided with mounting holes, which include a plurality of first mounting holes 19 and a plurality of second mounting holes 20.
The inner rotor 4 and the outer rotor 5 are arranged in the pump chamber 8, the pump cover 3 is connected with the bottom plate 2 through the first mounting hole 19, the bottom plate 2 is arranged on the inner side face of the pump cover 3 and seals the pump chamber 8, the oil inlet channel 9 and the oil outlet channel 10 on the pump cover 3, the bottom plate 2 is provided with an oil inlet 21, and the oil inlet 21 is communicated with the oil inlet channel 9. Be provided with second through-hole 22 on the bottom plate 2, the one end of pivot 6 is stretched out the outside of first through-hole 15 and is provided with axle and uses jump ring 23, and the other end of pivot 6 stretches out the outside of second through-hole 22 and installs gear 7, is provided with the round pin axle mounting hole on the lateral wall of pivot 6, is provided with round pin axle 24 in the round pin axle mounting hole, corresponds round pin axle 24 on the gear 7 and is provided with holding tank 25.
As shown in fig. 4 and 5, the oil pump 1 of the present invention is installed on the right crankcase 26 through the second mounting hole 20, the right crankcase 26 is provided with a mounting platform 27, the mounting platform 27 is provided with a right crankcase oil outlet 28, the bottom plate 2 is arranged on the mounting platform 27, and the oil inlet 21 on the bottom plate 2 is communicated with the right crankcase oil outlet 28.
In addition, as shown in fig. 5, the oil outlet 11 of the oil pump 1 is abutted against the oil inlet end of the right crankcase cover 29, the right crankcase cover 29 is provided with a first oil path 31, the end of the first oil path located at the inner side of the right crankcase cover 29 forms a first oil path oil inlet 30, and the oil outlet 11 of the oil pump 1 is communicated with the first oil path oil inlet 30.
By adopting the technical scheme, the oil pump 1 adopts an inner rotor and outer rotor form, the main body part of the oil pump is composed of the pump cover 3 of a casting and the bottom plate 2 of a plate, the structure is simple, the production is easy, the pump oil quantity of the inner rotor and outer rotor type oil pump is large, an oil inlet 21 and an oil outlet 11 of the oil pump 1 are respectively arranged at two sides of the oil pump 1 through specially optimizing an oil way, the oil outlet end of a right crankcase 26 and the oil inlet end of the right crankcase cover 29 can be communicated, the right crankcase 26 provided with a first filtering machine oil and the right crankcase cover 29 provided with a second filtering mechanism are matched, after the machine oil is filtered by the first filtering mechanism on the right crankcase 26, the machine oil is pumped into the second filtering mechanism on the right crankcase cover 29 through the oil pump 1, the double-stage filtration of the machine oil is realized, and the quality of the machine oil is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, but is intended to cover various modifications, combinations, and alternatives, which will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A pump housing characterized by: the oil pump is characterized in that a pump chamber, an oil inlet channel and an oil outlet channel are arranged on the inner side face of the pump cover, the output end of the oil inlet channel and the input end of the oil outlet channel are communicated with the pump chamber respectively, one end, far away from the pump chamber, of the oil outlet channel is provided with an oil outlet, the oil outlet is arranged on the outer side face of the pump cover, the inner side face and the outer side face of the pump cover are two opposite side faces, a first through hole is formed in the pump chamber, the first through hole penetrates through the outer side face of the pump cover, an oil inlet groove and an oil outlet groove are formed in the pump chamber, the oil inlet groove is arranged on one side, close to the oil inlet channel, in the pump chamber and communicated with the output end of the oil inlet channel, the oil outlet groove is arranged on one side, close to the oil outlet channel, in the pump cover, and an installation hole position is formed in the pump cover.
2. The pump housing of claim 1, wherein: the oil-out department is provided with out oil pipe, it stretches out the outside of pump cover to go out oil pipe, O type circle has been cup jointed on the outer wall of play oil pipe, it is provided with O type circle mounting groove to be close to play oil pipe department on the lateral surface of pump cover.
3. An oil pump using the pump cover according to any one of claims 1 and 2, characterized in that: the pump comprises a bottom plate, a pump cover, an inner rotor arranged in the pump cover, an outer rotor arranged in the pump cover, a rotating shaft penetrating through an inner hole of the inner rotor and a gear sleeved on the rotating shaft;
the inner rotor and the outer rotor are arranged in the pump chamber, the bottom plate is arranged on the inner side face of the pump cover and seals and blocks the pump chamber, the oil inlet channel and the oil outlet channel on the pump cover, an oil inlet is formed in the bottom plate, and the oil inlet is communicated with the oil inlet channel.
4. The oil pump according to claim 3, characterized in that: the bottom plate is provided with a second through hole, one end of the rotating shaft extends out of the outer side of the first through hole and is provided with a shaft clamp spring, and the other end of the rotating shaft extends out of the outer side of the second through hole and is provided with the gear.
5. The oil pump according to claim 3, characterized in that: the side wall of the rotating shaft is provided with a pin shaft mounting hole, a pin shaft is arranged in the pin shaft mounting hole, and the gear is provided with a containing groove corresponding to the pin shaft.
6. The oil pump according to claim 3, characterized in that: the mounting hole sites comprise a plurality of first mounting holes and a plurality of second mounting holes, the pump cover is connected with the bottom plate through the first mounting holes, and the oil pump is mounted on a right crankcase of the engine through the second mounting holes.
7. The oil pump according to claim 3, characterized in that: the oil pump is installed on a right crankcase, an installation platform is arranged on the right crankcase, a right crankcase oil outlet is arranged on the installation platform, a bottom plate is arranged on the installation platform, and an oil inlet in the bottom plate is communicated with the right crankcase oil outlet.
8. The oil pump according to claim 3, characterized in that: an oil outlet of the oil pump is in butt joint with an oil inlet end of the right crankcase cover, a first oil way is arranged on the right crankcase cover, a first oil way oil inlet is formed in the end portion, located on the inner side of the right crankcase cover, of the first oil way, and the oil outlet of the oil pump is communicated with the first oil way oil inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121640111.0U CN215292613U (en) | 2021-07-19 | 2021-07-19 | Pump cover and oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121640111.0U CN215292613U (en) | 2021-07-19 | 2021-07-19 | Pump cover and oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215292613U true CN215292613U (en) | 2021-12-24 |
Family
ID=79523584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121640111.0U Active CN215292613U (en) | 2021-07-19 | 2021-07-19 | Pump cover and oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215292613U (en) |
-
2021
- 2021-07-19 CN CN202121640111.0U patent/CN215292613U/en active Active
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