CN221120295U - Variable vane pump - Google Patents

Variable vane pump Download PDF

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Publication number
CN221120295U
CN221120295U CN202322679692.4U CN202322679692U CN221120295U CN 221120295 U CN221120295 U CN 221120295U CN 202322679692 U CN202322679692 U CN 202322679692U CN 221120295 U CN221120295 U CN 221120295U
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CN
China
Prior art keywords
pump body
butt joint
assembly
regulating
oil inlet
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Active
Application number
CN202322679692.4U
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Chinese (zh)
Inventor
朱帅兵
祝丽莉
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Anhui Ruiyan Hydraulic Technology Co ltd
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Anhui Ruiyan Hydraulic Technology Co ltd
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Abstract

The utility model provides a variable vane pump, which comprises a pump body, wherein a transmission assembly is fixedly arranged on one side of the pump body, an end cover is arranged on the other side of the pump body, a variable assembly connected with the transmission assembly is rotatably arranged on the pump body, a flow blocking piece is arranged on the variable assembly, a communicated oil inlet assembly is arranged on one side of the pump body in a butt joint manner, a communicated oil outlet end piece is arranged on the other side of the pump body in a butt joint manner, a pressure regulating assembly extending into the pump body is fixedly arranged at the top of the pump body, and a flow regulating assembly is arranged on the bottom of the pump body in a butt joint manner; the pressure adjusting assembly comprises a mounting sleeve seat, an adjusting part, a buffer part and a push head. According to the utility model, the flow guide oil outlet of the vane pump can be ensured through the flow blocking piece matched variable component, meanwhile, the flow guide oil outlet can be in joint fit with the vane component on the variable component, so that the vane is prevented from being retracted by interference, and meanwhile, the oil can be limited, so that the oil discharge amount is increased.

Description

Variable vane pump
Technical Field
The utility model relates to the technical field of vane pumps, in particular to a variable vane pump.
Background
Variable displacement vane pumps are a common type of hydraulic pump that achieve flow and pressure regulation by adjusting the position of the vanes.
Variable displacement vane pumps consist of a circular or oval rotor and a set of rotatable vanes. When the rotor rotates, centrifugal force pushes the blades outwards, creating a space of increased volume on the suction side of the pump. As the rotor continues to rotate, the vanes contact the outer wall, thereby reducing the volume on the suction side, pushing the liquid toward the discharge side of the pump.
By retrieving the patent number: CN207647767U can learn a variable vane pump, including the pump body and pump cover, be formed with the cavity in the pump body and the pump cover, be provided with stator and rotor in the cavity, the stator sets up in the rotor periphery, be provided with the blade on the rotor, the top of cavity is provided with pressure regulating device, pressure regulating device includes the spring holder, pressure regulating spring, the air-vent valve core, adjusting screw and lock nut, the spring holder sets up on the stator, pressure regulating spring's one end sets up on the spring holder, the air-vent valve core sets up on pressure regulating spring's the other end, adjusting screw passes the air-vent valve cover on the pump body and contacts with the air-vent valve core.
According to the description of the document, the defects of the traditional variable vane pump during operation are optimized, but the defects still exist by combining the actual operation condition of the variable vane pump during operation, as the variable of the vane pump is realized by setting the distance between the stator and the rotor, the extension sizes of the vanes are different, the vanes in the existing vane pump are embedded into the embedded openings of the rotor, the vanes are driven along with the rotation of the rotor during the period, the vanes are driven to extend outwards under the action force during the rotation, the oil outlet of the pump body is guided along with the rotation of the vanes, the recovery of the vanes is completed through the interference of the stator, the oil outlet amount of the pump body is limited, and the vanes cannot be recovered at first during the oil outlet.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a variable vane pump which solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
The variable vane pump comprises a pump body, wherein a transmission assembly is fixedly arranged on one side of the pump body, an end cover is arranged on the other side of the pump body, a variable assembly connected with the transmission assembly is rotatably arranged on the pump body, a flow blocking piece is arranged on the variable assembly, a communicated oil inlet assembly is arranged on one side of the pump body in a butt joint manner, a communicated oil outlet end piece is arranged on the other side of the pump body in a butt joint manner, a pressure regulating assembly extending inwards is fixedly arranged at the top of the pump body, and a flow regulating assembly is arranged on the bottom of the pump body in a butt joint manner; the pressure regulating assembly comprises a mounting sleeve seat, a regulating part, a buffer part and a push head, the flow regulating assembly comprises a regulating nut, an opposite joint seat, a sealing element and a regulating bolt II, the top of the pump body is fixedly provided with the mounting sleeve seat, the top of the mounting sleeve seat is provided with the regulating part, the push head is assembled at the bottom of the mounting sleeve seat, the buffer part is arranged between the regulating part and the push head in a butt joint manner, the opposite joint seat is fixedly arranged at the bottom of the pump body, the regulating bolt II extending into the pump body is arranged in the opposite joint seat in a butt joint manner, the regulating nut is arranged at the bottom of the regulating bolt II in a butt joint manner, and the sealing element is sleeved on the regulating bolt II.
Further, the transmission assembly comprises a motor and a rotating shaft, a connecting part is fixedly arranged on the side face of the pump body, the motor is fixedly arranged on the connecting part, and the output end of the motor is in butt joint and is arranged to extend into the pump body.
Further, the adjusting part comprises an adjusting bolt I, a mounting seat and a positioning nut, the mounting seat is fixedly arranged at the top of the mounting sleeve seat, the adjusting bolt I extending into the mounting sleeve seat is arranged on the mounting seat in a butt joint mode, and the positioning nut is arranged at the end portion of the adjusting bolt I in a butt joint mode.
Further, the buffer part comprises a butt joint and a spring, the butt joint matched with the first adjusting bolt and the push head is fixedly arranged on the first adjusting bolt and the push head, and the spring is arranged between the butt joints in a butt joint mode.
Further, the variable component comprises an oil distribution disc, a stator, blades and a rotor, the oil distribution disc is fixedly arranged in the pump body, the stator is sleeved in the pump body, the rotor is arranged at the output end of the rotating shaft in a butt joint mode, the blades are arranged on the rotor, and the flow blocking sheets are arranged on the inner wall of the stator.
Further, the oil inlet assembly comprises an oil inlet cavity, an oil inlet, a rubber ring, a sealing cover and a movable connecting piece, wherein the oil inlet cavity is fixedly arranged on one side of the pump body, the oil inlet cavity is provided with a communicated oil inlet in a butt joint mode, the sealing cover is movably arranged in the oil inlet cavity through the movable connecting piece, and the rubber ring is arranged on the inner side of the sealing cover.
The utility model provides a variable displacement vane pump. Compared with the prior art, the method has the following beneficial effects:
the flow guide oil outlet of the vane pump can be ensured through the flow blocking piece matched variable component, meanwhile, the flow guide oil outlet can be in joint fit with vane components on the variable component, the vanes are prevented from being retracted by interference, and meanwhile, the oil can be limited, so that the oil discharge amount is increased;
The external oil can be continuously introduced through the oil inlet component, and the introduced oil is ensured not to flow back.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic view of a first overall assembly state of a vane pump according to the utility model;
FIG. 2 is a schematic view showing the overall appearance state and structure of the vane pump of the present utility model;
FIG. 3 shows a schematic structural view of a second overall assembly state of the vane pump of the present utility model;
FIG. 4 is a schematic diagram showing the construction of a pressure regulating assembly according to the present utility model;
FIG. 5 is a schematic diagram showing the construction of a flow regulating assembly of the present utility model;
FIG. 6 shows a schematic view of the oil feed assembly composition of the present utility model;
The figure shows: 1. a pump body; 11. a connecting member; 2. a variable component; 21. an oil distribution tray; 22. a stator; 23. a blade; 24. a rotor; 3. a pressure regulating assembly; 31. installing a sleeve seat; 32. an adjusting member; 321. an adjusting bolt I; 322. a mounting base; 323. positioning a nut; 33. a buffer member; 331. butt joint; 332. a spring; 34. pushing heads; 4. a transmission assembly; 41. a motor; 42. a rotating shaft; 5. an oil inlet assembly; 51. an oil inlet cavity; 52. an oil inlet; 53. a rubber ring; 54. a cover; 55. a movable connecting piece; 6. a flow regulating assembly; 61. an adjusting nut; 62. a butt joint seat; 63. a seal; 64. an adjusting bolt II; 7. an end cap; 8. a flow blocking piece; 9. an oil outlet end piece.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
In order to solve the technical problems in the background technology, a variable vane pump is provided as follows:
Referring to fig. 1-5, the variable vane pump provided by the utility model comprises a pump body 1, wherein a transmission assembly 4 is fixedly arranged on one side of the pump body 1, an end cover 7 is arranged on the other side of the pump body, a variable assembly 2 connected with the transmission assembly 4 is rotatably arranged on the pump body 1, a flow blocking piece 8 is arranged on the variable assembly 2, a communicated oil inlet assembly 5 is arranged on one side of the pump body 1 in a butt joint manner, a communicated oil outlet end piece 9 is arranged on the other side of the pump body 1 in a butt joint manner, a pressure regulating assembly 3 extending into the pump body 1 is fixedly arranged on the top of the pump body, and a flow regulating assembly 6 is arranged on the bottom of the pump body 1 in a butt joint manner;
The pressure regulating assembly 3 comprises a mounting sleeve seat 31, an adjusting part 32, a buffer part 33 and a push head 34, the flow regulating assembly 6 comprises an adjusting nut 61, a butt joint seat 62, a sealing element 63 and an adjusting bolt II 64, the top of the pump body 1 is fixedly provided with the mounting sleeve seat 31, the top of the mounting sleeve seat 31 is provided with the adjusting part 32, the bottom of the mounting sleeve seat 31 is provided with the push head 34, the buffer part 33 is arranged between the adjusting part 32 and the push head 34 in a butt joint manner, the bottom of the pump body 1 is fixedly provided with the butt joint seat 62, the butt joint seat 62 is internally provided with the adjusting bolt II 64 which extends into the pump body 1 in a butt joint manner, the bottom of the adjusting bolt II 64 is provided with the adjusting nut 61 in a butt joint manner, and the adjusting bolt II 64 is sleeved with the sealing element 63.
The end cover 7 is used for sealing the port of the pump body 1, personnel can finish overhauling and maintaining the internal components by disassembling, the variable component 2 is driven by the transmission component 4 to carry out linkage operation, the operation effect of the variable component 2 is realized, the flow guide oil outlet of the vane pump can be ensured by matching the variable component 2 with the flow blocking piece 8, meanwhile, the flow guide oil outlet of the vane pump can be matched with the vane component on the variable component 2 in a joint manner, the vane is caused to conflict and adduction, meanwhile, the oil can be limited, so that the discharge amount of the oil is increased, the external oil can be continuously introduced through the oil inlet component 5, the introduced oil is ensured not to flow back, the oil outlet end piece 9 is utilized to discharge, the hydraulic pressure of the vane pump is regulated in real time by the pressure regulating component 3, the regulation operation of the flow guide amount is ensured to be finished, the jacking regulation of the variable component 2 can be finished by regulating the flow regulating component 6, the gap between the variable components 2 is ensured, and the actual flow guide requirement is met;
The adopted mounting sleeve seat 31 is used as a bearing part, so that the buffer part 33 and the push head 34 are mounted inside, during the process, a person can rotate the adjusting part 32 to enable the adjusting part 32 to extend outwards and inwards in the mounting sleeve seat 31, and the tightness is adjusted by utilizing the characteristics of the buffer part 33;
the sealing effect between the butt joint seat 62 and the second adjusting bolt 64 is achieved through the sealing piece 63, oil overflow is avoided, during the process, a person can rotate the adjusting nut 61 to enable the second adjusting bolt 64 to push against the component on the variable component 2, so that gap adjustment in the variable component 2 is completed, and real-time adjustment of flow is completed.
Example two
As shown in fig. 1 and 2, on the basis of the above embodiment, the present embodiment further gives the following:
In this embodiment, the transmission assembly 4 includes a motor 41 and a rotating shaft 42, a connecting component 11 is fixedly installed on a side surface of the pump body 1, the motor 41 is fixedly installed on the connecting component 11, and an output end of the motor 41 is butt-jointed and installed to extend into the pump body 1.
During the period, a person starts the motor 41, the motor 41 drives the rotating shaft 42 to rotate, and at the moment, the rotating shaft 42 drives the variable component 2 in the pump body 1 to rotate, so that the operation of the vane pump is realized;
the connection part 11 realizes an assembled connection between the motor 41 and the pump body 1.
In the embodiment, the variable component 2 comprises an oil distribution disc 21, a stator 22, blades 23 and a rotor 24, wherein the oil distribution disc 21 is fixedly arranged in the pump body 1, the stator 22 is sleeved in the pump body 1, the rotor 24 is arranged at the output end of the rotating shaft 42 in a butt joint way, the blades 23 are arranged on the rotor 24, and the flow blocking piece 8 is arranged on the inner wall of the stator 22;
During operation, the rotor 24 synchronously rotates along with the rotating shaft 42, and the blades 23 embedded in the rotor are synchronously driven to rotate along with the rotation of the rotor 24, so that the blades 23 can finish guiding the incoming oil while rotating, the oil among the blades 23 is caused to follow the guiding, and the drainage effect is achieved.
Example III
As shown in fig. 1 to 5, on the basis of the above embodiment, the present embodiment further provides the following:
In this embodiment, the adjusting component 32 includes an adjusting bolt one 321, a mounting seat 322 and a positioning nut 323, the top of the mounting sleeve seat 31 is fixedly provided with the mounting seat 322, the mounting seat 322 is butt-jointed with the adjusting bolt one 321 extending into the mounting sleeve seat 31, and the end of the adjusting bolt one 321 is butt-jointed with the positioning nut 323;
During the process, a person rotates the positioning nut 323, the positioning nut 323 drives the first adjusting bolt 321 to rotate, the first adjusting bolt 321 extends inwards or outwards in the mode, and at the moment, the end part of the first adjusting bolt 321 pushes against the stator 22, so that the distance between the stator 22 and the rotor 24 is adjusted, and the actual adjustment of the flow is met in the mode;
In this embodiment, the buffer member 33 includes a butt joint 331 and a spring 332, the first adjusting bolt 321 and the push head 34 are fixedly provided with the butt joint 331 in butt fit, and the spring 332 is butt-jointed between the butt joints 331;
During operation, the buffer member 33 can be adjusted by the real-time adjustment of the adjusting member 32, and the spring 332 is squeezed or released under the action of the abutment 331, so that the push head 34 is driven to perform operation positioning on the stator 22.
In this embodiment, the oil inlet assembly 5 includes an oil inlet cavity 51, an oil inlet 52, a rubber ring 53, a cover 54, and a movable connector 55, wherein the oil inlet cavity 51 is fixedly installed on one side of the pump body 1, the oil inlet cavity 51 is butt-jointed with the communicated oil inlet 52, the cover 54 is movably installed in the oil inlet cavity 51 through the movable connector 55, and the rubber ring 53 is installed on the inner side of the cover 54.
During operation, an external oil inlet pipeline is in butt joint with the oil inlet 52, oil is led into the oil inlet cavity 51 through the oil inlet 52, the sealing cover 54 is pushed open along with the impulsive force of the oil, and the oil enters the pump body 1 at the moment;
When the oil stops being conveyed, the sealing cover 54 can automatically reset under the cooperation of the movable connecting piece 55, so that the oil inlet 52 is sealed.
The working principle and the using flow of the utility model are as follows:
the operation is as follows:
During the period, a person starts the motor 41, the motor 41 drives the rotating shaft 42 to rotate, at the moment, the rotating shaft 42 drives the variable component 2 in the pump body 1 to rotate, so that the operation of the vane pump is realized, the rotor 24 synchronously rotates along with the rotating shaft 42, the vanes 23 embedded into the vane pump are synchronously driven to rotate along with the rotation of the rotor 24, at the moment, the vanes 23 can finish guiding the oil entering the vane pump while rotating, and the oil between the vanes 23 is caused to follow the guiding;
During the process, a person rotates the positioning nut 323, the positioning nut 323 drives the first adjusting bolt 321 to rotate in a manner of extending inwards or outwards, then the end part of the first adjusting bolt 321 pushes against the stator 22 to enable the distance between the stator 22 and the rotor 24 to be adjusted, the actual adjustment of the flow is met in the manner, the buffer part 33 can be adjusted due to the real-time adjustment of the adjusting part 32, the extrusion or loosening of the spring 332 is completed under the action of the butt joint 331, and the push head 34 is enabled to perform operation positioning on the stator 22;
during the period, an external oil inlet pipeline is in butt joint with the oil inlet 52, oil is guided into the oil inlet cavity 51 through the oil inlet 52, the sealing cover 54 is pushed open along with the impulsive force of the oil, and the oil enters the pump body 1 at the moment;
When the oil stops being conveyed, the sealing cover 54 can automatically reset under the cooperation of the movable connecting piece 55, so that the oil inlet 52 is sealed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. A variable displacement vane pump, characterized by: the hydraulic pump comprises a pump body (1), wherein a transmission assembly (4) is fixedly arranged on one side of the pump body (1), an end cover (7) is arranged on the other side of the pump body, a variable assembly (2) connected with the transmission assembly (4) is rotationally arranged on the pump body (1), a flow blocking piece (8) is arranged on the variable assembly (2), a communicated oil inlet assembly (5) is arranged on one side of the pump body (1) in a butt joint manner, an communicated oil outlet end piece (9) is arranged on the other side of the pump body in a butt joint manner, a pressure regulating assembly (3) extending inwards is fixedly arranged at the top of the pump body (1), and a flow regulating assembly (6) is arranged on the bottom of the pump body (1) in a butt joint manner;
the pressure regulating assembly (3) comprises a mounting sleeve seat (31), a regulating part (32), a buffer part (33) and a push head (34), the flow regulating assembly (6) comprises a regulating nut (61), a butt joint seat (62), a sealing piece (63) and a regulating bolt II (64), the top of the pump body (1) is fixedly provided with the mounting sleeve seat (31), the top of the mounting sleeve seat (31) is provided with the regulating part (32), the bottom of the mounting sleeve seat (31) is provided with the push head (34), the buffer part (33) is arranged between the regulating part (32) and the push head (34) in a butt joint manner, the bottom of the pump body (1) is fixedly provided with the butt joint seat (62), the butt joint of the butt joint seat (62) is internally provided with the regulating bolt II (64) extending into the pump body (1), and the bottom of the regulating bolt II (64) is in butt joint manner provided with the regulating nut (61), and the sealing piece (63) is sleeved on the regulating bolt II (64).
2. A variable displacement pump according to claim 1, wherein: the transmission assembly (4) comprises a motor (41) and a rotating shaft (42), a connecting component (11) is fixedly arranged on the side face of the pump body (1), the motor (41) is fixedly arranged on the connecting component (11), and the output end of the motor (41) is in butt joint and is arranged to extend into the pump body (1).
3. A variable displacement pump according to claim 2, wherein: the adjusting component (32) comprises an adjusting bolt I (321), a mounting seat (322) and a positioning nut (323), the top of the mounting sleeve seat (31) is fixedly provided with the mounting seat (322), the mounting seat (322) is provided with the adjusting bolt I (321) in the extending mounting sleeve seat (31) in a butt joint mode, and the end portion of the adjusting bolt I (321) is provided with the positioning nut (323) in a butt joint mode.
4. A variable displacement pump according to claim 3, wherein: the buffer component (33) comprises butt joints (331) and springs (332), the butt joints (331) matched with each other are fixedly arranged on the first adjusting bolt (321) and the push head (34), and the springs (332) are arranged between the butt joints (331) in a butt joint mode.
5. A variable displacement pump according to claim 4, wherein: the variable component (2) comprises an oil distribution disc (21), a stator (22), blades (23) and a rotor (24), wherein the oil distribution disc (21) is fixedly installed in the pump body (1), the stator (22) is sleeved in the pump body (1), the rotor (24) is installed at the output end of the rotating shaft (42) in a butt joint mode, the blades (23) are assembled on the rotor (24), and the flow blocking piece (8) is assembled on the inner wall of the stator (22).
6. A variable displacement pump according to claim 5, wherein: the oil inlet assembly (5) comprises an oil inlet cavity (51), an oil inlet (52), a rubber ring (53), a sealing cover (54) and a movable connecting piece (55), wherein the oil inlet cavity (51) is fixedly arranged on one side of the pump body (1), the communicated oil inlet (52) is arranged on the oil inlet cavity (51) in a butt joint mode, the sealing cover (54) is movably arranged in the oil inlet cavity (51) through the movable connecting piece (55), and the rubber ring (53) is arranged on the inner side of the sealing cover (54).
CN202322679692.4U 2023-10-08 2023-10-08 Variable vane pump Active CN221120295U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322679692.4U CN221120295U (en) 2023-10-08 2023-10-08 Variable vane pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322679692.4U CN221120295U (en) 2023-10-08 2023-10-08 Variable vane pump

Publications (1)

Publication Number Publication Date
CN221120295U true CN221120295U (en) 2024-06-11

Family

ID=91362992

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322679692.4U Active CN221120295U (en) 2023-10-08 2023-10-08 Variable vane pump

Country Status (1)

Country Link
CN (1) CN221120295U (en)

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