CN214887677U - Variable displacement vane pump capable of improving pressure reduction condition of main oil duct during temperature rise - Google Patents
Variable displacement vane pump capable of improving pressure reduction condition of main oil duct during temperature rise Download PDFInfo
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- CN214887677U CN214887677U CN202121309401.7U CN202121309401U CN214887677U CN 214887677 U CN214887677 U CN 214887677U CN 202121309401 U CN202121309401 U CN 202121309401U CN 214887677 U CN214887677 U CN 214887677U
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- variable displacement
- pump
- displacement vane
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- vane pump
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 24
- 230000009467 reduction Effects 0.000 title description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000000630 rising effect Effects 0.000 claims abstract 2
- 238000003466 welding Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000006837 decompression Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a can improve variable displacement vane pump of main oil gallery step-down condition when intensification, including the pump body and first set screw, threaded connection has first set screw in the middle of the top of the pump body, the internally mounted of the pump body has rotating device. This can improve variable displacement vane pump of main oil gallery decompression circumstances when rising temperature, through the stator, the rotor, mutually support between transmission shaft and the blade isotructure, can drive the rotor through the transmission shaft and rotate, the rotor drives the blade and rotates, thereby control the oil absorption and the pressure oil of the pump body, simultaneously can make the pump body during operation more stable through first set screw, through mutually supporting between first piston body, the elastic component, the second piston body, lead oil pipe and solenoid valve isotructure, can extrude the stator through first piston body and elastic component, simultaneously can control fluid through the solenoid valve, thereby make the eccentricity and the output flow of stator be in a state of relative balance all the time.
Description
Technical Field
The utility model relates to a vane pump technical field specifically is a variable displacement vane pump of main oil gallery step-down condition when can improve intensification.
Background
The vane pump is a pump in which the vanes in the rotor groove contact with the pump shell (stator ring) to press the sucked liquid from the oil inlet side to the oil discharge side, when the vane pump rotor rotates, the tips of the vanes cling to the inner surface of the stator under the action of centrifugal force and pressure oil, so that the working volume formed by the two vanes, the rotor and the inner surface of the stator discharges oil from large to small after absorbing oil from small, the vane pump with variable displacement is one of the vane pumps, the stability of the vane pump in the prior art is low when the vane pump rotates, and the main oil duct can be depressurized when the working temperature of the vane pump rises, thereby reducing the flow.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can improve the variable displacement vane pump of the main oil gallery step-down condition when heaing up to the stability is lower when solving the vane pump among the above-mentioned background art and among the prior art and rotating, and the main oil gallery will take place to step down when vane pump operating temperature risees simultaneously, thereby has reduced the problem of flow.
In order to achieve the above object, the utility model provides a following technical scheme: a variable displacement vane pump capable of improving the pressure reduction condition of a main oil duct during temperature rise comprises a pump body and a first positioning screw, wherein the middle of the upper part of the pump body is in threaded connection with the first positioning screw, and a rotating device is installed inside the pump body;
the rotating device comprises a stator, a rotor, a working cavity, a transmission shaft and blades;
the stator is located the inside of the pump body, and the outer wall of stator and the inner wall clearance fit of the pump body, the rotor is installed to the preceding terminal surface of stator, and forms the working cavity between rotor and the stator, the middle fixedly connected with transmission shaft of rotor, the transmission shaft rotates with the pump body and links to each other, the preceding terminal surface welding of rotor has a plurality of blades.
Preferably, an oil pressure port and an oil suction port are respectively formed on two sides in the pump body.
Preferably, a plurality of the vanes are distributed in an annular shape with a center point of the rotor as a center at equal intervals, so that the pump body can be more stable in operation.
Preferably, the left side of the pump body is provided with a propping device;
the abutting device comprises a connecting cylinder, a first piston body and a second positioning screw;
one end of the connecting cylinder is welded with the outer wall of the pump body, a first piston body is tightly attached to the inner through hole of the connecting cylinder, the outer wall of the piston rod of the first piston body is in clearance fit with the inner wall of the through hole of the pump body, a second positioning screw is connected to the outer end of the connecting cylinder in a threaded mode, and one end of the second positioning screw is attached to the outer wall of the first piston body.
Preferably, the right side of the pump body is provided with an adjusting device;
the adjusting device comprises a rectangular piece, a second piston body, an oil guide pipe and an electromagnetic valve;
the one end and the pump body welding of rectangle piece link to each other, the through-hole department of rectangle piece closely laminates and has the second piston body, and the piston rod department outer wall of second piston body closely laminates with the outer wall of stator, the oil groove department of rectangle piece is linked together through leading the oil groove department of oil pipe and the pump body, and leads the centre of oil pipe and install the solenoid valve.
Preferably, one end of the second piston body is fixedly connected with a baffle, the outer wall of the baffle is in clearance fit with the inner wall of the through hole of the rectangular piece, one end of the baffle is provided with an elastic piece, and two sides of the elastic piece are fixedly connected with the baffle and the rectangular piece respectively, so that extrusion force can be applied to the stator through the elastic piece.
Preferably, the elastic member is a compression spring.
Compared with the prior art, the beneficial effects of the utility model are that: the variable displacement vane pump capable of improving the pressure reduction condition of the main oil duct during temperature rise can drive the rotor to rotate through the transmission shaft through the mutual matching of the stator, the rotor, the working cavity, the transmission shaft, the vanes and the like, and the rotor drives the vanes to rotate, so that oil absorption and pressure oil of the pump body are controlled, and the pump body can be more stable during working through the first positioning screw;
through the mutual cooperation between the first piston body, the elastic part, the rectangular part, the second piston body, the oil guide pipe, the electromagnetic valve and other structures, the stator can be extruded through the first piston body and the elastic part, and meanwhile, oil can be controlled through the electromagnetic valve, so that the eccentricity and the output flow of the stator are always in a relatively balanced state.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the first piston body, the connecting cylinder and the pump body of FIG. 2;
fig. 4 is a schematic structural view of the elastic member, the second piston body and the solenoid valve of fig. 2.
In the figure: 1. the oil pump comprises a pump body, 2, a first positioning screw, 3, a rotating device, 301, a stator, 302, a rotor, 303, a working cavity, 304, a transmission shaft, 305, a blade, 4, a butting device, 401, a connecting cylinder, 402, a first piston body, 403, a second positioning screw, 5, an adjusting device, 501, a rectangular piece, 502, a second piston body, 503, an oil guide pipe, 504, an electromagnetic valve, 6, an oil pressing opening, 7, an oil suction opening, 8, a baffle, 9 and an elastic piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a variable displacement vane pump capable of improving the pressure reduction condition of a main oil gallery during temperature rise comprises a pump body 1 and first positioning screws 2, through holes are formed in the left side and the right side of the pump body 1, the first positioning screws 2 are connected to the middle of the upper portion of the pump body 1 in a threaded mode, a rotating device 3 is installed inside the pump body 1, the rotating device 3 comprises a stator 301, a rotor 302, a working cavity 303, a transmission shaft 304 and vanes 305, the stator 301 is located inside the pump body 1, the outer wall of the stator 301 is in clearance fit with the inner wall of the pump body 1, the rotor 302 is installed on the front end face of the stator 301, the working cavity 303 is formed between the rotor 302 and the stator 301, the transmission shaft 304 is fixedly connected to the middle of the rotor 302, the rotor 302 can be driven to rotate through the transmission shaft 304, the transmission shaft 304 is rotatably connected with the pump body 1, 10 vanes 305 are welded to the front end face of the rotor 302, pressure 6 and oil suction ports 7 are respectively formed in two sides of the interior of the pump body 1, the 10 blades 305 are equally spaced in a ring shape centered on the center of the rotor 302, which improves the operation.
The left side of the pump body 1 is provided with a tight-supporting device 4, the tight-supporting device 4 comprises a connecting cylinder 401, a first piston body 402 and a second positioning screw 403, one end of the connecting cylinder 401 is connected with the outer wall of the pump body 1 in a welding mode, a through hole is formed in the connecting cylinder 401, the first piston body 402 is tightly attached to the through hole in the connecting cylinder 401, the first piston body 402 can move at the through hole of the connecting cylinder 401, the outer wall of the piston rod of the first piston body 402 is in clearance fit with the inner wall of the through hole of the pump body 1, the outer end of the connecting cylinder 401 is in threaded connection with the second positioning screw 403, one end of the second positioning screw 403 is attached to the outer wall of the first piston body 402, and the first piston body 402 can be positioned through the second positioning screw 403.
The right side of the pump body 1 is provided with an adjusting device 5, the adjusting device 5 comprises a rectangular piece 501, a second piston body 502, an oil guide pipe 503 and an electromagnetic valve 504, one end of the rectangular piece 501 is connected with the pump body 1 in a welding way, a through hole and an oil groove are respectively processed in the middle and above the inside of the rectangular piece 501, the second piston body 502 is tightly attached to the through hole of the rectangular piece 501, the outer wall of the piston rod of the second piston body 502 is tightly attached to the outer wall of the stator 301, the stator 301 can be limited by the second piston body 502, the oil groove of the rectangular piece 501 is communicated with the oil groove of the pump body 1 through the oil guide pipe 503, the electromagnetic valve 504 is installed in the middle of the oil guide pipe 503, the electromagnetic valve 504 is FPD-90 in type, oil can be controlled by the electromagnetic valve 504, one end of the second piston body 502 is fixedly connected with a baffle 8, and the outer wall of the baffle 8 is in clearance fit with the inner wall of the through hole of the rectangular piece 501, one end of the baffle plate 8 is provided with an elastic member 9, and two sides of the elastic member 9 are fixedly connected with the baffle plate 8 and the rectangular member 501 respectively, so that the elastic member 9 can apply extrusion force to the stator 301, and the elastic member 9 is a compression spring.
In this embodiment, when an operator needs to use a variable displacement vane pump capable of improving the pressure drop of the main oil gallery during temperature rise, the operator first drives the transmission shaft 304 to rotate through an external device, so that the transmission shaft 304 drives the rotor 302 to rotate, at this time, the outlet pressure of the pump body 1 is not established, the external load is small, the oil pressure of the system is low, and thus the acting force of the first piston body 402 is not enough to overcome the acting forces of the elastic member 9 and the second piston body 502, so that the pump body 1 is in the maximum eccentric and maximum output flow state when the rotor 302 drives the vanes 305 to rotate, and after the inversion temperature of the engine is raised along with the rotation of the engine under a high-speed working condition, the first piston body 402 can overcome the acting forces of the second piston body 502 and the elastic member 9 through oil and the like, so that the rotor 302 generates eccentric motion, so that the operator needs to control the electromagnetic valve 504, the electromagnetic valve 504 is opened, so that the oil in the pump body 1 is guided into one end of the second piston body 502 through the oil guide pipe 503, the rotor 302 is located at a relatively balanced working position, the eccentricity and the output flow of the stator 301 are again in a relatively balanced state, and the phenomenon that the main oil gallery is depressurized when the working temperature is increased is avoided.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a can improve variable displacement vane pump of main oil gallery step-down condition when rising temperature, includes the pump body (1) and first set screw (2), threaded connection has first set screw (2), its characterized in that in the middle of the top of the pump body (1): a rotating device (3) is arranged in the pump body (1);
the rotating device (3) comprises a stator (301), a rotor (302), a working cavity (303), a transmission shaft (304) and blades (305);
stator (301) are located the inside of the pump body (1), and the outer wall of stator (301) and the inner wall clearance fit of the pump body (1), rotor (302) are installed to the preceding terminal surface of stator (301), and form working cavity (303) between rotor (302) and stator (301), the middle fixedly connected with transmission shaft (304) of rotor (302), transmission shaft (304) rotate with the pump body (1) and link to each other, the preceding end-face welding of rotor (302) has a plurality of blades (305).
2. The variable displacement vane pump of claim 1, wherein the main gallery is depressurized when the temperature is raised, and the variable displacement vane pump further comprises: the oil pump is characterized in that a pressure oil port (6) and an oil suction port (7) are respectively formed in two sides of the interior of the pump body (1).
3. The variable displacement vane pump of claim 1, wherein the main gallery is depressurized when the temperature is raised, and the variable displacement vane pump further comprises: the blades (305) are distributed in a ring shape with equal distance by taking the middle point of the rotor (302) as the center.
4. The variable displacement vane pump of claim 1, wherein the main gallery is depressurized when the temperature is raised, and the variable displacement vane pump further comprises: a tight-resisting device (4) is arranged on the left side of the pump body (1);
the clamping device (4) comprises a connecting cylinder (401), a first piston body (402) and a second positioning screw (403);
one end of the connecting cylinder (401) is connected with the outer wall of the pump body (1) in a welded mode, a first piston body (402) is tightly attached to the inner through hole of the connecting cylinder (401), the outer wall of the position of the piston rod of the first piston body (402) is in clearance fit with the inner wall of the position of the through hole of the pump body (1), the outer end of the connecting cylinder (401) is connected with a second positioning screw (403) in a threaded mode, and one end of the second positioning screw (403) is attached to the outer wall of the first piston body (402).
5. The variable displacement vane pump of claim 1, wherein the main gallery is depressurized when the temperature is raised, and the variable displacement vane pump further comprises: the right side of the pump body (1) is provided with an adjusting device (5);
the adjusting device (5) comprises a rectangular piece (501), a second piston body (502), an oil guide pipe (503) and an electromagnetic valve (504);
the one end and the pump body (1) welded connection of rectangle piece (501), the through-hole department of rectangle piece (501) is closely laminated with second piston body (502), and the piston rod department outer wall of second piston body (502) closely laminates with the outer wall of stator (301), the oil groove department of rectangle piece (501) is linked together through leading oil pipe (503) and the oil groove department of pump body (1), and leads the centre of oil pipe (503) and install solenoid valve (504).
6. The variable displacement vane pump of claim 5, wherein the main gallery is depressurized when the temperature is raised, and the variable displacement vane pump further comprises: one end of the second piston body (502) is fixedly connected with a baffle (8), the outer wall of the baffle (8) is in clearance fit with the inner wall of the through hole of the rectangular piece (501), an elastic piece (9) is installed at one end of the baffle (8), and two sides of the elastic piece (9) are fixedly connected with the baffle (8) and the rectangular piece (501) respectively.
7. The variable displacement vane pump of claim 6, wherein the main gallery is depressurized when the temperature is raised, and the variable displacement vane pump further comprises: the elastic piece (9) is a compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309401.7U CN214887677U (en) | 2021-06-11 | 2021-06-11 | Variable displacement vane pump capable of improving pressure reduction condition of main oil duct during temperature rise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309401.7U CN214887677U (en) | 2021-06-11 | 2021-06-11 | Variable displacement vane pump capable of improving pressure reduction condition of main oil duct during temperature rise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887677U true CN214887677U (en) | 2021-11-26 |
Family
ID=78933376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121309401.7U Active CN214887677U (en) | 2021-06-11 | 2021-06-11 | Variable displacement vane pump capable of improving pressure reduction condition of main oil duct during temperature rise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887677U (en) |
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2021
- 2021-06-11 CN CN202121309401.7U patent/CN214887677U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A variable displacement vane pump that can improve the pressure drop of the main oil passage during heating Effective date of registration: 20231115 Granted publication date: 20211126 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: Zhejiang ohmco Hydraulic Technology Co.,Ltd. Registration number: Y2023980065557 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |