CN218325262U - Shell structure of variable vane pump - Google Patents
Shell structure of variable vane pump Download PDFInfo
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- CN218325262U CN218325262U CN202222481854.9U CN202222481854U CN218325262U CN 218325262 U CN218325262 U CN 218325262U CN 202222481854 U CN202222481854 U CN 202222481854U CN 218325262 U CN218325262 U CN 218325262U
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Abstract
The utility model provides a shell structure of a variable vane pump, belonging to the field of vane pump manufacturing; the utility model discloses a: the pump body, the rotor and the stator; the stator can be installed in the pump body in a vertical sliding mode; the rotor is rotatably arranged in the stator; a front oil distribution disc and a rear oil distribution disc are also arranged in the pump body; the front oil distribution disc and the rear oil distribution disc are respectively positioned on two sides of the rotor and are in contact with the rotor; and a plurality of arc-shaped oil grooves which are closely arranged are arranged on one sides of the front oil distribution disc and the rear oil distribution disc, which face the rotor. The utility model discloses a set up convex oil groove on joining in marriage the food tray, the rotor is in work, and oil can adhere to and form the one deck oil film on convex oil groove to reduced the rotor and joined in marriage food tray contact friction, thereby played the purpose that has reduced the pump temperature rise and promoted rotor speed, and then strengthened the efficiency of pump. Additionally, the utility model discloses still reduce the frictional force that the stator reciprocated by a wide margin, improved the variable regulation sensitivity of pump.
Description
Technical Field
The utility model relates to an oil pump manufacturing technology especially relates to a shell structure of variable vane pump, belongs to hydraulic conveying equipment and makes technical field.
Background
The inner surface of a stator of a shell structure of the variable vane pump is circular, the rotor and the stator have eccentricity, and an oil distribution disc is only provided with an oil suction window and an oil pressing window. When the rotor is driven by the motor to rotate, the blades extend out of the blade grooves under the action of centrifugal force when passing through the lower half part of the stator, and the sealing volume between the two blades is increased, so that oil absorption is realized; when the vane passes through the upper half part of the stator, the vane is gradually pressed into the vane slot by the inner surface of the stator, the sealing volume is reduced, and oil pressing is realized. The rotor of the pump rotates once, and the oil is sucked and pressed once by each sealed volume. The displacement of the pump can be changed by changing the eccentricity between the stator and the rotor, so the variable displacement vane pump is called as a shell structure of the variable displacement vane pump.
The shell structure during operation of variable vane pump, because high, low-pressure area atress is uneven, can lead to joining in marriage the food tray and appear the slope phenomenon, join in marriage like this and can increase friction and then produce a large amount of heats between food tray and the rotor, not only reduce the life-span of pump and still restricted the maximum rotational speed of rotor.
Therefore, a housing structure of a variable displacement vane pump capable of effectively preventing the rotor friction from being large and the rotor speed from being high is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a new variable vane pump's shell structure is through setting up a plurality of convex oil grooves on joining in marriage the food tray to utilize lubricating oil to adhere to on convex oil groove, thereby can reduce and join in marriage the frictional force of food tray to the rotor, with the lower and great technical problem of frictional force of rotor speed who solves variable vane pump among the prior art.
The utility model discloses a shell structure of variable vane pump includes: a pump body, a rotor and a stator; the stator can be installed in the pump body in a vertically sliding mode;
the rotor is rotatably mounted in the stator; a front oil distribution disc and a rear oil distribution disc are also arranged in the pump body; the front oil distribution disc and the rear oil distribution disc are respectively positioned on two sides of the rotor and are in contact with the rotor;
and a plurality of arc-shaped oil grooves which are closely arranged are arranged on one sides of the front oil distribution disc and the rear oil distribution disc, which face the rotor.
The casing structure of the variable displacement vane pump is characterized in that the center of each circular arc-shaped oil groove is located on the rotation axis of the rotor, and the circular arc-shaped oil grooves are uniformly arranged on the front oil distribution disc or the rear oil distribution disc at intervals.
The casing structure of the variable vane pump, wherein the stator is a cavity with openings at two sides; the front oil distribution disc and the rear oil distribution disc are respectively arranged on two sides of the containing cavity to form a closed working cavity;
the rotor is arranged in the working cavity, and a high-pressure cavity and a low-pressure cavity are respectively arranged at two ends of the working cavity; and the arc-shaped oil grooves on the front oil distribution disc or the rear oil distribution disc correspond to the high-pressure cavity.
The casing structure of the variable displacement vane pump is characterized in that an oil suction port and an oil discharge port are respectively arranged at two ends of the front oil distribution disc, and the oil discharge port corresponds to the high-pressure cavity; the arc-shaped oil groove is arranged close to the oil discharge port.
The casing structure of the variable displacement vane pump is characterized in that the circular arc-shaped oil groove on the rear oil distribution disc and the circular arc-shaped oil groove on the front oil distribution disc correspond to each other.
The casing structure of the variable vane pump is characterized in that the rotor is provided with a rotating shaft, and the rotating shaft is rotatably installed in the pump body.
The casing structure of the variable vane pump, wherein the circular oil grooves on the front oil distribution disc and the rear oil distribution disc are arranged in a sector shape.
The casing structure of the variable capacity vane pump, wherein the cross section of the circular arc oil groove is U-shaped or V-shaped, and the opening of each circular arc oil groove faces the rotor.
The embodiment of the utility model provides an in, through set up a plurality of arc oil grooves of closely arranging on joining in marriage the food tray in the front and back, the rotor is in work, and oil can be attached to and form the one deck oil film on arc oil groove to reduced the rotor and joined in marriage food tray contact friction, thereby played and reduced the pump temperature rise, promoted the purpose of rotor rotational speed, and then strengthened the sensitivity and the efficiency of the pump body.
Additionally, the utility model discloses still reduce the frictional force that the stator reciprocated by a wide margin, improved the variable regulation sensitivity of pump.
Drawings
Fig. 1 is a horizontal cross-sectional structural view of a casing structure of a variable displacement vane pump according to an embodiment of the present invention;
FIG. 2 is a schematic front view of the front oil distribution pan of FIG. 1;
FIG. 3 is a schematic back view of the front drip tray of FIG. 1;
FIG. 4 is a schematic front view of the rear oil distribution pan of FIG. 1;
fig. 5 is a schematic view of the back of the front drip tray of fig. 1.
Detailed Description
The shell structure of the variable displacement vane pump can be made of the following materials and components, and is not limited to the following materials and components, for example: stainless steel, stator, rotor, voltage regulator and motor etc..
Fig. 1 is a sectional structural view of a casing structure of a variable displacement vane pump according to an embodiment of the present invention; with reference to fig. 2 to 5. In the present embodiment, the rotor 3 is a rotor having blades that can be extended and retracted in the radial direction.
The utility model discloses variable vane pump's shell structure includes: a pump body 5, a rotor 3 and a stator 4; the stator 4 is mounted in the pump body 5 in a vertically sliding manner; the pump body 5 also typically has a sealing cap 50 to facilitate removal and installation, and to secure and install other components within the pump body.
The rotor 3 is rotatably arranged in the stator 4; a front oil distribution disc 1 and a rear oil distribution disc 2 are also arranged in the pump body 5; the front oil distribution disc 1 and the rear oil distribution disc 2 are respectively positioned on two sides of the rotor 3 and are both contacted with the rotor 3; the front oil distribution pan 1 serves to provide an oil suction port and an oil discharge port to ensure suction and discharge of oil.
Typically, the rotor 3 is provided with a rotating shaft 30, and the rotating shaft 30 is rotatably mounted in the pump body 5. The rotor 3 is fixed on the rotating shaft 30 and is rotatably positioned in the stator 4; the rotor 3 is rotated to form an oil suction area and an oil discharge area on the oil distribution pan by a change in volume.
And a plurality of arc-shaped oil grooves 6 which are closely arranged are arranged on one sides of the front oil distribution disc 1 and the rear oil distribution disc 2 facing the rotor 3.
The embodiment of the utility model provides an in, through set up a plurality of circular oil grooves of closely arranging on joining in marriage the food tray in the front and back, the rotor is in work, and oil can form the one deck oil film on attaching to circular oil groove to reduced the rotor and joined in marriage food tray contact friction, thereby played and reduced the pump temperature rise, promoted the purpose of rotor rotational speed, and then strengthened the sensitivity and the efficiency of the pump body.
Specifically, as shown in fig. 3 and 4, the center of each circular arc-shaped oil groove 6 is located on the rotation axis of the rotor 3, and the plurality of circular arc-shaped oil grooves 6 are uniformly arranged on the front oil distribution disc 1 or the rear oil distribution disc 2 at intervals. The length direction of the arc-shaped oil groove 6 is the same as the rotation direction of the rotor, so that friction force is reduced, and lubricating oil can continuously flow into the arc-shaped oil groove 6, so that the friction force is greatly reduced, and the lubricating effect is improved.
In this embodiment, the stator 4 is a cavity with openings at two sides; the front oil distribution disc 1 and the rear oil distribution disc 2 are respectively arranged on two sides of the containing cavity to form a closed working cavity; the working chamber is used for the suction and the pressure discharge of hydraulic oil.
The rotor 3 is arranged in the working cavity, and a high-pressure cavity and a low-pressure cavity are respectively arranged at two ends of the working cavity; and the arc-shaped oil grooves 6 on the front oil distribution disc 1 or the rear oil distribution disc 2 correspond to the high-pressure cavity.
In the actual use process, when the high-pressure cavity and the stator cavity are pressurized, the arc-shaped oil groove plays a key role, oil enters the arc-shaped oil groove to form a layer of oil film, so that the contact friction force between the rotor and the oil distribution disc is reduced, and the friction force between the rotor and the stator is also reduced, so that the purpose of reducing the temperature rise of the pump is achieved.
In the casing structure of the variable vane pump of the present embodiment, as shown in fig. 2 and 3, an oil suction port 12 and an oil discharge port 11 are respectively disposed at two ends of the front oil distribution disc 1, and the oil discharge port 11 corresponds to the high pressure chamber; the circular arc-shaped oil groove 6 is arranged close to the oil discharge port 11.
Similarly, the circular-arc-shaped oil groove 6 on the rear oil distribution disc 2 and the circular-arc-shaped oil groove 6 on the front oil distribution disc 1 correspond to each other. Thereby can guarantee the high-pressure chamber, can have the oil film and fully lubricate, increase the radiating effect, can also be under the controllable circumstances of temperature rise, further improvement rotor speed.
In the casing structure of the variable displacement vane pump of this embodiment, the arc-shaped oil grooves on the front oil distribution disc 1 and the rear oil distribution disc 2 are all arranged in a fan shape.
Preferably, the circular arc-shaped oil grooves 6 are U-shaped or V-shaped in cross section, and an opening of each circular arc-shaped oil groove 6 faces the rotor 3.
The embodiment of the utility model provides a shell structure of variable vane pump's advantage lies in:
1. the shell structure of this embodiment uses on the pump of equal discharge capacity, under servo motor, inverter motor drive, through the rotational speed improvement, the bigger flow of exportable.
2. The front oil distribution disc and the rear oil distribution disc are provided with a plurality of arc-shaped oil grooves relative to the high-pressure cavity, oil enters the arc-shaped oil grooves, internal leakage is reduced, the temperature of the pump is reduced, and the service life of the pump is prolonged.
3. When the pump works, oil enters the arc-shaped oil groove to form an oil film, so that the friction force between the front oil distribution disc and the rear oil distribution disc and between the rotor and the stator is reduced, the heat is also reduced, and the pressure is more stable.
4. The front oil distribution disc and the rear oil distribution disc are provided with the arc-shaped oil grooves to form oil films and reduce friction force, and meanwhile, the hydraulic pump and the motor are matched with the motor to run more smoothly, so that noise is reduced.
Additionally, the utility model discloses a shell structure manufacturing cost of variable vane pump is not high, and the design is exquisite, compact structure, and the finished product stable in quality maintains the convenience, is applicable to the shell structure of the variable vane pump of various modifications.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments. Through the above description of the embodiments, those skilled in the art will clearly understand that the above embodiment method can be implemented by some modifications plus the necessary general technical overlap; of course, the method can also be realized by simplifying some important technical features in the upper level. Based on such understanding, the technical solution of the present invention essentially or the part contributing to the prior art is: holistic structure and connected mode to the cooperation the utility model discloses each embodiment the structure.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. A casing structure of a variable capacity vane pump, comprising: the pump body, the rotor and the stator; the stator can be installed in the pump body in a vertically sliding mode;
the rotor is rotatably arranged in the stator; a front oil distribution disc and a rear oil distribution disc are also arranged in the pump body; the front oil distribution disc and the rear oil distribution disc are respectively positioned on two sides of the rotor and are in contact with the rotor;
and a plurality of arc-shaped oil grooves which are closely arranged are arranged on one sides of the front oil distribution disc and the rear oil distribution disc, which face the rotor.
2. The casing structure of a variable capacity vane pump according to claim 1, wherein each of the circular arc-shaped oil grooves has a center located on the rotational axis of the rotor, and a plurality of the circular arc-shaped oil grooves are arranged at regular intervals on the front oil distribution disc or the rear oil distribution disc.
3. The casing structure of the variable vane pump according to claim 1, wherein the stator is a cavity with openings at both sides; the front oil distribution disc and the rear oil distribution disc are respectively arranged on two sides of the containing cavity to form a closed working cavity;
the rotor is arranged in the working cavity, and a high-pressure cavity and a low-pressure cavity are respectively arranged at two ends of the working cavity; and the arc-shaped oil grooves on the front oil distribution disc or the rear oil distribution disc correspond to the high-pressure cavity.
4. The casing structure of a variable capacity vane pump according to claim 3, wherein both ends of said front oil distribution disc are provided with an oil suction port and an oil discharge port, respectively, said oil discharge port corresponding to said high pressure chamber; the arc-shaped oil groove is arranged close to the oil discharge port.
5. The casing structure of variable capacity vane pump of claim 4, wherein the circular arc oil groove on the rear oil distribution plate and the circular arc oil groove on the front oil distribution plate correspond to each other.
6. A casing structure of a variable capacity vane pump according to any one of claims 1 to 4, wherein the rotor is provided with a rotary shaft, and the rotary shaft is rotatably mounted in the pump body.
7. The casing structure of a variable capacity vane pump according to any one of claims 1 to 4, wherein the circular arc-shaped oil grooves of the front oil distribution plate and the rear oil distribution plate are arranged in a fan shape.
8. The casing structure of variable capacity vane pump according to any one of claims 1 to 4, wherein the circular arc shaped oil groove has a U-shaped or V-shaped cross section, and each opening of the circular arc shaped oil groove faces the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222481854.9U CN218325262U (en) | 2022-09-19 | 2022-09-19 | Shell structure of variable vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222481854.9U CN218325262U (en) | 2022-09-19 | 2022-09-19 | Shell structure of variable vane pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218325262U true CN218325262U (en) | 2023-01-17 |
Family
ID=84836620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222481854.9U Active CN218325262U (en) | 2022-09-19 | 2022-09-19 | Shell structure of variable vane pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218325262U (en) |
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2022
- 2022-09-19 CN CN202222481854.9U patent/CN218325262U/en active Active
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