CN216142906U

CN216142906U - High-pressure ultra-low-sound hydraulic vane pump

Info

Publication number: CN216142906U
Application number: CN202122047643.XU
Authority: CN
Inventors: 陈胜园
Original assignee: Individual
Current assignee: Sichuan Tengfeike Technology Co ltd
Priority date: 2021-08-28
Filing date: 2021-08-28
Publication date: 2022-03-29
Anticipated expiration: 2031-08-28

Abstract

The utility model discloses a high-pressure ultra-low-sound hydraulic vane pump which comprises a pump shell body, wherein a power unit is fixedly connected to the right end of the pump shell body, a seal cover is arranged on the left side of the pump shell body, T-shaped holes which are arranged in an annular mode are formed in the left side surface of the seal cover, a first fastening nail is arranged inside each T-shaped hole, threaded grooves which are arranged in an annular mode are formed in the left side surface of the pump shell body, the right end of each first fastening nail extends into the threaded grooves and is in threaded connection with the threaded grooves, and an oil inlet pipe is fixedly communicated with the upper surface of the pump shell body. The utility model has reasonable design structure, and through the filter, the expansion spring, the oil inlet nozzle, the annular groove, the sealing ring and the fastening external thread, the oil inlet can be filtered through the filter, thereby avoiding the entering of oil residue and the generation of noise, effectively increasing the sealing property of the oil inlet connection, avoiding the entering of air, effectively reducing the generation of noise and facilitating the stable use of the vane pump.

Description

High-pressure ultra-low-sound hydraulic vane pump

Technical Field

The utility model relates to the technical field of vane pumps, in particular to a high-pressure ultra-low-sound hydraulic vane pump.

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 firstly sucks oil from small to large and then discharges oil from large to small, and when the vanes rotate for one circle, one-time oil suction and oil discharge is completed, thus the vane pump is a device capable of converting the function into pressure energy.

The existing vane pump is usually capable of generating large noise in the using process, the vibration amplitude of the pump is large, and the damage of components in the pump is easily repeated, so that the service life of the vane pump is shortened, the use cost is increased, and the problem that the high-pressure ultra-low-sound hydraulic vane pump solves is solved.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims to make up the defects of the prior art and provides a high-pressure ultra-low-sound hydraulic vane pump.

II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the high-pressure ultra-low-sound hydraulic vane pump comprises a pump case body, wherein a power unit is fixedly connected to the right end of the pump case body, a seal cover is arranged on the left side of the pump case body, T-shaped holes which are annularly arranged are formed in the left side of the seal cover, first fastening nails are arranged inside the T-shaped holes, thread grooves which are annularly arranged are formed in the left side of the pump case body, the right end of each first fastening nail extends into the thread grooves and is in threaded connection with the thread grooves, an oil inlet pipe is fixedly communicated with the upper surface of the pump case body, a round hole sealing gasket is fixedly connected to the top end of the oil inlet pipe, an oil inlet nozzle is in threaded connection with the top end of the oil inlet pipe, an annular groove is formed in the outer surface of the oil inlet nozzle, a sealing ring is arranged inside the annular groove, and fastening external threads are formed in the outer surface of the oil inlet nozzle.

Furthermore, the bottom fixedly connected with support frame of power unit, the bottom surface fixedly connected with damping gasket of support frame, two sets of symmetrical mounting holes have been seted up jointly to the upper surface of damping gasket and the upper surface of support frame.

Through adopting above-mentioned technical scheme, make a high-pressure ultralow sound hydraulic pressure impeller pump can support fixed and shock attenuation protection to the impeller pump, increase the stability of impeller pump, the stable use of the impeller pump of being convenient for.

Furthermore, the upper surface of the support frame is fixedly connected with a damping spring, the top end of the damping spring is fixedly connected with the bottom surface of the pump case body, a limiting rod is arranged inside the damping spring, and the bottom end of the limiting rod is fixedly connected with the upper surface of the support frame.

Through adopting above-mentioned technical scheme, make a high-pressure ultralow sound hydraulic pressure impeller pump can carry out the shock attenuation buffering to the pump case body, reduce the oscillating force of pump case body, realize the protection to the pump case body, increase impeller pump's life.

Further, the inner wall of the oil inlet pipe is provided with a placing groove, an expansion spring is arranged inside the placing groove, and a filter is sleeved at the top end of the expansion spring.

Through adopting above-mentioned technical scheme, make a high-pressure ultralow sound hydraulic pressure vane pump can effectually filter the oil feed liquid, avoid impurity injection vane pump's inside, and then increase vane pump's performance.

Furthermore, the outer surface of the pump case body is fixedly connected with two sets of symmetrical L-shaped supporting plates, a sliding hole is formed in the left side face of each L-shaped supporting plate, a second fastening nail is sleeved inside each sliding hole, two sets of symmetrical threaded holes are formed in the left side face of the sealing cover, and the left end of each second fastening nail extends into each threaded hole and is in threaded connection with the threaded hole.

Through adopting above-mentioned technical scheme, make a high-pressure ultralow sound hydraulic pressure vane pump can realize the secondary fastening of closing cap through the threaded connection of second blind rivet with the screw hole, increase the leakproofness of closing cap, the production of noise reduction.

Further, the left surface fixedly connected with LOGO mark of closing cap, the positive fixedly connected with data plate of pump case body, the top fixedly connected with rings of power unit.

By adopting the technical scheme, the high-pressure ultra-low-sound hydraulic vane pump can be used for conveniently suspending the vane pump, so that the vane pump is convenient to transport and install.

III) beneficial effects

Compared with the prior art, the high-pressure ultra-low-sound hydraulic vane pump has the following beneficial effects:

firstly, the method comprises the following steps: according to the utility model, through the arrangement of the first fastening nail, the thread groove, the L-shaped supporting plate, the second fastening nail and the thread hole, double thread fixing of the sealing cover and the pump case body can be realized, the connection stability of the sealing cover is increased, the loosening of the sealing cover is avoided, and further the generation of noise is effectively reduced.

Secondly, the method comprises the following steps: according to the utility model, through the support frame and the mounting hole, the vane pump unit can be mounted and fixed, the stability of the vane pump is increased, and through the matching of the damping gasket and the damping spring, the pump shell body can be effectively damped and buffered, the vibration force applied to the pump shell body is reduced, the damage of internal elements of the vane pump is avoided, and the service life of the vane pump is greatly prolonged.

Drawings

FIG. 1 is a schematic perspective view of the pump casing body of the present invention;

FIG. 2 is a cross-sectional view of an elevation view of the pump casing body of the present invention;

FIG. 3 is a side view of the closure of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 2 according to the present invention.

In the figure: 1. a pump housing body; 2. sealing the cover; 3. a nameplate; 4. an L-shaped support plate; 5. a second fastening pin; 6. an oil inlet nozzle; 7. a seal ring; 8. fastening the external thread; 9. an oil inlet pipe; 10. a power unit; 11. a support frame; 12. a damping shim; 13. mounting holes; 14. a limiting rod; 15. a damping spring; 16. a first fastening nail; 17. a threaded hole; 18. a hoisting ring; 19. LOGO LOGO; 20. a T-shaped hole; 21. a circular hole sealing gasket; 22. a tension spring; 23. a placement groove; 24. a filter; 25. an annular groove; 26. a thread groove; 27. and (4) a slide hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: the utility model provides a super low sound hydraulic pressure impeller pump of high pressure, including pump case body 1, the right-hand member fixed connection of pump case body 1 has power unit 10, the left side of pump case body 1 is equipped with closing cap 2, T type hole 20 that the annular was arranged is seted up to the left surface of closing cap 2, the inside of every T type hole 20 all is equipped with first anchorage nail 16, the thread groove 26 that the annular was arranged is seted up to the left surface of pump case body 1, the right-hand member of every first anchorage nail 16 all extends to the inside of thread groove 26 and with thread groove 26 threaded connection, the fixed intercommunication of upper surface of pump case body 1 has oil feed pipe 9, the sealed round hole 21 of top fixedly connected with of oil feed pipe 9, oil feed pipe 9's top threaded connection has oil feed mouth 6, annular groove 25 has been seted up to oil feed mouth 6's surface, annular groove 25's inside is equipped with sealing washer 7, fastening external screw thread 8 has been seted up to oil feed mouth 6's surface.

Bottom fixedly connected with support frame 11 of power unit 10, the bottom surface fixedly connected with damping shim 12 of support frame 11, two sets of symmetrical mounting hole 13 have been seted up jointly to the upper surface of damping shim 12 and the upper surface of support frame 11, can support fixed and shock attenuation protection to the impeller pump, increase the stability of impeller pump, be convenient for stable use of impeller pump, the last fixed surface of support frame 11 is connected with damping spring 15, damping spring 15's top and the bottom surface fixed connection of pump case body 1, damping spring 15's inside is equipped with gag lever post 14, the bottom of gag lever post 14 and the upper surface fixed connection of support frame 11, can carry out the shock attenuation buffering to pump case body 1, reduce the oscillating force of pump case body 1, realize the protection to pump case body 1, increase the life of impeller pump.

The inner wall of the oil inlet pipe 9 is provided with a placing groove 23, an extension spring 22 is arranged inside the placing groove 23, the top end of the extension spring 22 is sleeved with a filter 24, oil inlet liquid can be effectively filtered, impurities are prevented from being injected into the interior of the vane pump, the service performance of the vane pump is further improved, the outer surface of the pump shell body 1 is fixedly connected with two groups of symmetrical L-shaped supporting plates 4, the left side surface of each L-shaped supporting plate 4 is provided with a sliding hole 27, a second fastening nail 5 is sleeved inside each sliding hole 27, the left side surface of the sealing cover 2 is provided with two groups of symmetrical threaded holes 17, the left end of each second fastening nail 5 extends into the threaded hole 17 and is in threaded connection with the threaded hole 17, secondary fastening connection of the sealing cover 2 can be realized through threaded connection of the second fastening nail 5 and the threaded hole 17, the sealing performance of the sealing cover 2 is improved, and noise is reduced, the left surface fixedly connected with LOGO mark 19 of closing cap 2, the positive fixedly connected with data plate 3 of pump case body 1, the top fixedly connected with rings 18 of power unit 10, can be convenient hang the impeller pump, the transportation and the installation of the impeller pump of being convenient for.

The working principle is as follows: when the impeller pump is used, firstly, the power unit 10 and the pump shell body 1 are installed and fixed through the installation hole 13 and the support frame 11, then the sealing cover 2 is attached to the left end of the pump shell body 1, the sealing cover 2 is in double fastening connection with the pump shell body 1 through the threaded connection of the first fastening nail 16 and the threaded groove 26 and the threaded connection of the second fastening nail 5 and the threaded hole 17, then the extension spring 22 and the filter 24 are sleeved inside the placement groove 23, then the oil inlet nozzle 6 is in threaded connection with the oil inlet pipe 9, when oil is fed, the oil pipe is sleeved on the oil inlet nozzle 6, penetrates through the sealing ring 7 and is sleeved on the fastening external thread 8, then fastening is carried out through the fastening bolt, the sealing performance when the oil is fed is realized, air is prevented from entering the inside of the pump shell body 1, meanwhile, the filter 24 filters filter residues of oil flowing through, and impurities are prevented from entering the inside of the impeller pump, increase the performance of impeller pump, damping spring 15 and damping shim 12 carry out the shock attenuation buffering to the impeller pump simultaneously, reduce the oscillating force that the impeller pump received, and then increase the life of impeller pump.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high pressure ultralow sound hydraulic pressure vane pump, includes pump case body (1), its characterized in that: the pump shell comprises a pump shell body (1), wherein a power unit (10) is fixedly connected to the right end of the pump shell body (1), a sealing cover (2) is arranged on the left side of the pump shell body (1), T-shaped holes (20) which are arranged in an annular mode are formed in the left side face of the sealing cover (2), first fastening nails (16) are arranged inside each T-shaped hole (20), threaded grooves (26) which are arranged in an annular mode are formed in the left side face of the pump shell body (1), the right end of each first fastening nail (16) extends to the inside of each threaded groove (26) and is in threaded connection with each threaded groove (26), an oil inlet pipe (9) is fixedly communicated with the upper surface of the pump shell body (1), a round hole sealing gasket (21) is fixedly connected to the top end of the oil inlet pipe (9), an oil inlet nozzle (6) is in threaded connection with the top end of the oil inlet pipe (9), an annular groove (25) is formed in the outer surface of the oil inlet nozzle (6), the inside of annular groove (25) is equipped with sealing washer (7), fastening external screw thread (8) have been seted up to the surface of oil feed mouth (6).

2. The high pressure ultra low sound hydraulic vane pump of claim 1, wherein: the bottom fixedly connected with support frame (11) of power unit (10), the bottom surface fixedly connected with damping gasket (12) of support frame (11), two sets of symmetrical mounting holes (13) have been seted up jointly to the upper surface of damping gasket (12) and the upper surface of support frame (11).

3. The high pressure ultra low sound hydraulic vane pump of claim 2, wherein: the pump shell is characterized in that a damping spring (15) is fixedly connected to the upper surface of the support frame (11), the top end of the damping spring (15) is fixedly connected with the bottom surface of the pump shell body (1), a limiting rod (14) is arranged inside the damping spring (15), and the bottom end of the limiting rod (14) is fixedly connected with the upper surface of the support frame (11).

4. The high pressure ultra low sound hydraulic vane pump of claim 1, wherein: the oil inlet pipe is characterized in that a placing groove (23) is formed in the inner wall of the oil inlet pipe (9), a telescopic spring (22) is arranged inside the placing groove (23), and a filter (24) is sleeved at the top end of the telescopic spring (22).

5. The high pressure ultra low sound hydraulic vane pump of claim 1, wherein: the pump case body (1) is characterized in that the outer surface of the pump case body is fixedly connected with two sets of symmetrical L-shaped supporting plates (4), each sliding hole (27) is formed in the left side face of each L-shaped supporting plate (4), each second fastening nail (5) is sleeved inside each sliding hole (27), two sets of symmetrical threaded holes (17) are formed in the left side face of the sealing cover (2), and each second fastening nail (5) is extended to the inside of each threaded hole (17) and is in threaded connection with each threaded hole (17).

6. The high pressure ultra low sound hydraulic vane pump of claim 1, wherein: the left side fixedly connected with LOGO mark (19) of closing cap (2), positive fixedly connected with data plate (3) of pump case body (1), the top fixedly connected with rings (18) of power unit (10).