CN218598353U - DC electric two-stage pump - Google Patents
DC electric two-stage pump Download PDFInfo
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- CN218598353U CN218598353U CN202223057567.1U CN202223057567U CN218598353U CN 218598353 U CN218598353 U CN 218598353U CN 202223057567 U CN202223057567 U CN 202223057567U CN 218598353 U CN218598353 U CN 218598353U
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Abstract
The utility model discloses a DC electric two-stage pump, which comprises a DC motor, wherein the DC motor is connected with a vehicle power supply, and the output end of the DC motor is sequentially provided with a connecting disc, a pressure oil pump body, an oil suction pump body and a pump cover; a pair of rotors is respectively arranged inside the pump body of the pressure oil pump and the pump body of the oil suction pump, pump shafts penetrate through the pump body of the pressure oil pump and the pump body of the oil suction pump, the end parts of the pump shafts are connected with an output shaft of the direct current motor through clamping grooves, and the pump shafts synchronously drive the two sets of rotors; the rotor comprises an outer rotor and an inner rotor which are sleeved, the inner rotor is sleeved on the pump shaft, and the inner rotor is connected with the pump shaft through a cylindrical pin. The utility model can be driven by a direct current power supply, and can provide lubrication for each part of the engine under the condition that the lubricating oil pump of the unit is not started or breaks down; the suction and pressure integrated machine has the functions of oil suction and pressure oil pressing, is compact in structure and is beneficial to energy conservation and consumption reduction.
Description
Technical Field
The utility model relates to a doublestage pump, specific theory relates to an electronic doublestage pump of direct current belongs to lubricating-oil pump technical field.
Background
The main function of a lubricant pump in an engine system is to provide sufficient lubricant to the engine for a sufficiently reliable lubrication of the various engine components. The driving force of the lubricating oil pump generally comes from the engine, so that the lubricating oil pump cannot be started before the engine is started, the lubricating oil pump stops supplying oil when the engine stops due to faults, and oil breaking and tile grinding accidents can occur before the unit stops, so that the safety of the unit is affected.
In order to solve the problems, the electric oil pump is produced at the same time, the electric oil pump used at present adopts an alternating current or direct current motor, and the alternating current motor has the problems of complicated control, limitation of an alternating current power supply and incapability of being used at any time and any place. The DC motor can fully utilize the power supply for the vehicle to supplement lubrication for the engine.
However, the existing dc electric oil pump generally has disadvantages, and the existing dc electric oil pump only has an oil sucking or pressing function, such as an automobile electric oil pump disclosed in patent No. CN200920090424.6, a dc electric pre-oil supply pump disclosed in patent No. cn202020320323.x, and a diesel engine having the pre-oil supply pump. However, when the engine actually works, not only the lubricating oil needs to be fed, but also dirty oil which completes the lubricating action needs to be sucked out, so that clean lubricating oil energy can be continuously conveyed in, and the oil suction and the oil pressing need to be provided with different oil pumps, so that the whole engine is not compact, and the energy conservation and consumption reduction are not facilitated.
In view of the foregoing, it is apparent that the prior art has inconvenience and disadvantages in practical use, and thus, needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a DC electric two-stage pump, which can be driven by a DC power supply and can provide lubrication for each part of an engine under the condition that a lubricating oil pump of a unit is not started or breaks down; the suction and pressure integrated machine has the functions of oil suction and pressure oil pressing, is compact in structure and is beneficial to energy conservation and consumption reduction.
For solving the technical problem, the utility model discloses a following technical scheme:
the direct-current electric two-stage pump comprises a direct-current motor, wherein the direct-current motor is connected with a vehicle power supply, and the output end of the direct-current motor is sequentially provided with a connecting disc, a pressure oil pump body, an oil suction pump body and a pump cover;
a pair of rotors is respectively arranged inside the pump body of the pressure oil pump and the pump body of the oil suction pump, pump shafts penetrate through the pump body of the pressure oil pump and the pump body of the oil suction pump, the end parts of the pump shafts are connected with an output shaft of the direct current motor through clamping grooves, and the pump shafts synchronously drive the two sets of rotors;
the rotor comprises an outer rotor and an inner rotor, the outer rotor is sleeved on the inner rotor, the inner rotor is sleeved on the pump shaft, and the inner rotor is connected with the pump shaft through a cylindrical pin.
According to the optimized scheme, a direct current motor is connected with a pressure oil pump body through a connecting disc, the connecting disc is fixedly connected with the direct current motor through screws, and the pressure oil pump body is fixedly connected with the connecting disc through screws.
Furthermore, the oil pump body and the pump cover are fixedly connected through screws.
Further, the cylindrical pin vertically penetrates through the pump shaft.
Furthermore, one end of the pump shaft penetrates through the pump cover, and bushings are arranged at the penetrating positions of the pump shaft and the pump cover, the penetrating positions of the pump shaft and the oil suction pump body and the penetrating positions of the pump shaft and the oil pressing pump body.
Furthermore, O-shaped sealing rings are arranged on the joint surfaces between the pump body of the oil pressing pump and the pump body of the oil suction pump and between the pump body of the oil suction pump and the pump cover.
Furthermore, a lip-shaped sealing ring is sleeved on the end part of the pump shaft close to the direct current motor, and the lip-shaped sealing ring is embedded in the pressure oil pump body.
Furthermore, a pressure oil pump oil inlet and a pressure oil pump oil outlet are formed in the pump body of the pressure oil pump, and the pressure oil pump oil inlet and the pressure oil pump oil outlet are distributed on two sides of the pump body of the pressure oil pump.
Furthermore, an oil suction pump oil inlet and an oil suction pump oil outlet are formed in the oil suction pump body, and the oil suction pump oil inlet and the oil suction pump oil outlet are distributed on two sides of the oil pressing pump body.
Further, the oil suction pump body is communicated with the oil pressing pump body through a lubricating oil hole.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model discloses in the oil absorption pump body, respectively be equipped with a pair of rotor in the pressure oil pump body, the direct current motor that is connected with vehicle power drives the pump shaft rotation after starting, and the pump shaft drives two pairs of rotors simultaneous workings, accomplishes the oil absorption separately and presses the function of oil two differences, and a doublestage pump has accomplished the work of two pumps for overall dimension is little, and is structurally also compacter, makes the weight of complete machine also obtain reducing, is favorable to energy saving and consumption reduction.
The double-stage pump is driven by a direct-current power supply, the vehicle power supply is fully utilized, lubrication is provided for each part of the engine under the condition that the lubricating oil pump of the unit is not started or fails, when no lubricating oil is sucked out from each part of the engine under the condition that the unit fails and the like, the oil sucked by the oil pump from the oil tank flows into the oil suction pump body through the oil hole, the lubrication is provided for the operation of the oil suction pump, and the lubrication is provided for each part of the engine on the premise that the normal operation of the self lubrication of the double-stage pump is ensured.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a front view of the structure of the present invention;
fig. 2 is a top view of the structure of the present invention.
In the figure, 1-a direct current motor, 2-a connecting disc, 3-a hydraulic pump body, 4-an outer rotor, 5-an inner rotor, 6-a suction pump body, 7-a pump cover, 8-a pump shaft, 9-a lining, 10-a cylindrical pin, 11-a lip seal ring, 12-a suction pump oil inlet, 13-a suction pump oil outlet, 14-a hydraulic pump oil inlet and 15-a hydraulic pump oil outlet.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model provides a dc electric two-stage pump, including dc motor 1, dc motor 1 is connected with the vehicle power, and dc motor 1's output is equipped with connection pad 2, presses the oil pump body 3, inhales oil pump body 6 and pump cover 7 in proper order.
The direct current motor 1 is connected with the oil pump body 3 through the connecting disc 2, the connecting disc 2 is fixedly connected with the direct current motor 1 through screws, and the oil pump body 3 is fixedly connected with the connecting disc 2 through screws.
The pressure oil pump body 3, the oil suction pump body 6 and the pump cover 7 are fixedly connected through screws.
A pair of rotors is respectively arranged inside the oil pressing pump body 3 and the oil suction pump body 6, pump shafts 8 penetrate through the oil pressing pump body 3 and the oil suction pump body 6, the end parts of the pump shafts 8 are connected with an output shaft of the direct current motor 1 through clamping grooves, and the pump shafts 8 synchronously drive the two sets of rotors.
The rotor include outer rotor 4 and inner rotor 5, outer rotor 4 suit is on inner rotor 5, and inner rotor 5 cover is established on pump shaft 8, and inner rotor 5 is connected through cylindric lock 10 with pump shaft 8, and cylindric lock 10 is worn to establish in pump shaft 8 perpendicularly.
One end of the pump shaft 8 penetrates through the pump cover 7, bushings 9 are mounted at the penetrating positions of the pump shaft 8 and the pump cover 7, the penetrating positions of the pump shaft 8 and the oil suction pump body 6 and the penetrating positions of the pump shaft 8 and the oil pressing pump body 3, and the pump shaft 8 is rotatably supported through the bushings 9.
O-shaped sealing rings are arranged on the joint surfaces between the pressure oil pump body 3 and the oil suction pump body 6 and between the oil suction pump body 6 and the pump cover 7.
The end part of the pump shaft 8 close to the direct current motor 1 is sleeved with a lip-shaped sealing ring 11, and the lip-shaped sealing ring 11 is embedded in the pressure oil pump body 3.
An oil inlet 14 and an oil outlet 15 of the hydraulic oil pump are arranged on the hydraulic oil pump body 3, and the oil inlet 14 and the oil outlet 15 of the hydraulic oil pump are distributed on two sides of the hydraulic oil pump body 3; oil is sucked into the oil pump body 3 from an oil tank through an oil inlet 14 of the oil pump, and then the oil is delivered to each part of the engine needing to be lubricated through an oil outlet 15 of the oil pump.
An oil suction pump oil inlet 12 and an oil suction pump oil outlet 13 are arranged on the oil suction pump body 6, and the oil suction pump oil inlet 12 and the oil suction pump oil outlet 13 are distributed on two sides of the oil suction pump body 3; the oil which completes the lubrication task is sucked into the oil suction pump body 6 from each lubrication part of the engine through the oil suction pump oil inlet 12, and then the oil is sent to the oil tank through the oil suction pump oil outlet 13.
The oil suction pump body 6 is communicated with the pressure oil pump body 3 through a lubricating oil hole.
The utility model provides a screw all adopts hexagon socket head cap screw.
The utility model discloses a concrete theory of operation:
a pair of rotors is respectively arranged in the oil suction pump body 6 and the oil pressing pump body 3, the direct current motor 1 drives the pump shaft 8 to rotate after being started, the pump shaft 8 drives the two pairs of rotors to work simultaneously, two different functions of oil suction and oil pressing are respectively completed, and one two-stage pump completes the work of the two pumps, so that the overall dimension is small, the structure is more compact, the weight of the whole machine is reduced, and the energy conservation and consumption reduction are facilitated. The double-stage pump is driven by the direct-current power supply 1, the vehicle power supply is fully utilized, and lubrication is provided for each part of the engine under the condition that the lubricating oil pump of the unit is not started or fails.
The direct current motor 1 drives the pump shaft 8 to rotate, and in the rotating process, the oil is sucked from the oil tank by the oil pressing pump and then is sent to each part of the engine needing to be lubricated; the oil suction pump firstly sucks oil which completes a lubricating task from each part of the engine and then sends the oil to the oil tank.
The oil suction pump body 6 is communicated with the pressure oil pump body 3 through a lubricating oil hole. When no lubricating oil is sucked out of each part of the engine due to the conditions of unit failure and the like, the oil sucked from the oil tank by the oil pump flows into the oil suction pump body 6 through the oil hole to provide lubrication for the operation of the oil suction pump, and the lubrication is provided for each part of the engine on the premise of ensuring the normal operation of the self lubrication of the double-stage pump.
The above description is illustrative of the best mode contemplated for carrying out the present invention and the details not specifically mentioned are within the common general knowledge of those skilled in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (10)
1. Direct current electronic doublestage pump, its characterized in that: the vehicle-mounted oil pump comprises a direct current motor (1), wherein the direct current motor (1) is connected with a vehicle power supply, and the output end of the direct current motor (1) is sequentially provided with a connecting disc (2), a pressure oil pump body (3), an oil suction pump body (6) and a pump cover (7);
a pair of rotors is respectively arranged in the pressure oil pump body (3) and the oil suction pump body (6), a pump shaft (8) penetrates through the pressure oil pump body (3) and the oil suction pump body (6), the end part of the pump shaft (8) is connected with an output shaft of the direct current motor (1) through a clamping groove, and the pump shaft (8) synchronously drives the two sets of rotors;
the rotor comprises an outer rotor (4) and an inner rotor (5) which are sleeved, the inner rotor (5) is sleeved on the pump shaft (8), and the inner rotor (5) is connected with the pump shaft (8) through a cylindrical pin (10).
2. A dc electric dual stage pump as defined in claim 1, wherein: the direct current motor (1) is connected with the oil pump body (3) through the connecting disc (2), the connecting disc (2) is fixedly connected with the direct current motor (1) through screws, and the oil pump body (3) is fixedly connected with the connecting disc (2) through screws.
3. A dc electric dual stage pump as defined in claim 1, wherein: the pressure oil pump body (3), the oil suction pump body (6) and the pump cover (7) are fixedly connected through screws.
4. A dc electric dual stage pump as defined in claim 1, wherein: the cylindrical pin (10) vertically penetrates through the pump shaft (8).
5. The dual stage dc electric pump of claim 1, wherein: one end of the pump shaft (8) is arranged in the pump cover (7) in a penetrating way, and bushings (9) are arranged at the penetrating positions of the pump shaft (8) and the pump cover (7), the penetrating positions of the pump shaft (8) and the oil suction pump body (6) and the penetrating positions of the pump shaft (8) and the oil pressing pump body (3).
6. The dual stage dc electric pump of claim 1, wherein: o-shaped sealing rings are arranged on the joint surfaces between the oil pump body (3) and the oil pump body (6) and between the oil pump body (6) and the pump cover (7).
7. A dc electric dual stage pump as defined in claim 1, wherein: a lip-shaped sealing ring (11) is sleeved on the end part of the pump shaft (8) close to the direct current motor (1), and the lip-shaped sealing ring (11) is embedded in the pressure oil pump body (3).
8. The dual stage dc electric pump of claim 1, wherein: the oil pump body (3) is provided with an oil inlet (14) and an oil outlet (15), and the oil inlet (14) and the oil outlet (15) are distributed on two sides of the oil pump body (3).
9. The dual stage dc electric pump of claim 1, wherein: an oil suction pump oil inlet (12) and an oil suction pump oil outlet (13) are arranged on the oil suction pump body (6), and the oil suction pump oil inlet (12) and the oil suction pump oil outlet (13) are distributed on two sides of the oil suction pump body (3).
10. A dc electric dual stage pump as defined in claim 1, wherein: the oil suction pump body (6) is communicated with the oil pressing pump body (3) through a lubricating oil hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223057567.1U CN218598353U (en) | 2022-11-17 | 2022-11-17 | DC electric two-stage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223057567.1U CN218598353U (en) | 2022-11-17 | 2022-11-17 | DC electric two-stage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218598353U true CN218598353U (en) | 2023-03-10 |
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ID=85407216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223057567.1U Active CN218598353U (en) | 2022-11-17 | 2022-11-17 | DC electric two-stage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218598353U (en) |
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2022
- 2022-11-17 CN CN202223057567.1U patent/CN218598353U/en active Active
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