CN212656938U

CN212656938U - Hydraulic pump with high-efficient heat dissipation function of low noise

Info

Publication number: CN212656938U
Application number: CN202020993918.1U
Authority: CN
Inventors: 张云亮
Original assignee: Shanghai Jiewu Precision Machinery Co ltd
Current assignee: Shanghai Jiewu Precision Machinery Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-03-05
Anticipated expiration: 2030-06-03

Abstract

The utility model belongs to the technical field of the hydraulic pump, specifically disclose a hydraulic pump with high-efficient heat dissipation function of low noise, including the pivot with inhale the sound cotton, the equal swing joint in upper and lower both sides of pivot has the ball, and the right side fixedly connected with eccentric wheel of pivot, inhale the cotton outside of sound and be provided with the shell, and inhale the cotton outside that is located the eccentric wheel of sound, the right side fixedly connected with plunger of eccentric wheel, and the top of plunger is provided with the oil inlet, the right side of plunger is provided with the passageway, and the inside fixedly connected with dog of passageway, the right side of dog is provided with the spin, and the right side fixedly connected with spring of spin. This hydraulic pump with high-efficient heat dissipation function of low noise compares with current ordinary hydraulic pump, can carry out timely effectual discharge to the heat at the in-process that uses, can not cause the damage to the inside component of hydraulic pump, has prolonged the life of hydraulic pump, and the noise is very little simultaneously, can be fine satisfies people's user demand problem.

Description

Hydraulic pump with high-efficient heat dissipation function of low noise

Technical Field

The utility model relates to a hydraulic pump technical field specifically is a hydraulic pump with high-efficient heat dissipation function of low noise.

Background

The hydraulic pump is a power element of a hydraulic system, is driven by an engine or a motor, sucks oil from a hydraulic oil tank to form pressure oil, discharges the pressure oil and sends the pressure oil to an execution element, and is divided into a gear pump, a plunger pump, a vane pump and a screw pump according to the structure to provide a hydraulic element of pressurized liquid for hydraulic transmission, which is a pump.

The existing hydraulic pump cannot timely and effectively discharge heat in the using process, is easy to damage elements inside the hydraulic pump, shortens the service life of the hydraulic pump, has great noise, and can not well meet the use requirements of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic pump with high-efficient heat dissipation function of low noise to provide general hydraulic pump in solving above-mentioned background, can't carry out timely effectual discharge to the heat at the in-process that uses, cause the damage to the inside component of hydraulic pump easily, shortened the life of hydraulic pump, the noise is very big simultaneously, can not be fine satisfy people's user demand problem.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic pump with low noise and high efficiency heat dissipation function comprises a rotating shaft and sound-absorbing cotton, wherein the upper side and the lower side of the rotating shaft are both movably connected with balls, and the right side of the rotating shaft is fixedly connected with an eccentric wheel, the outer part of the sound-absorbing cotton is provided with a shell, the sound-absorbing cotton is positioned outside the eccentric wheel, the right side of the eccentric wheel is fixedly connected with a plunger piston, an oil inlet is arranged above the plunger piston, a channel is arranged on the right side of the plunger piston, a stop block is fixedly connected inside the channel, a rolling ball is arranged on the right side of the stop block, a spring is fixedly connected on the right side of the rolling ball, a fixed column is arranged inside the spring, an oil outlet is arranged above the fixed column, a protective shell is fixedly connected on the right side of the shell, and the inside of protective housing is provided with the louvre, the below fixedly connected with support frame of shell, and the below fixedly connected with base of support frame.

Preferably, a rotating structure is arranged between the rotating shaft and the eccentric wheel, and the central axis of the rotating shaft coincides with the central axis of the eccentric wheel.

Preferably, inhale and be the bonding between sound cotton and the shell, and inhale the inner wall that sound cotton closely laminated in the shell.

Preferably, the plunger is fixedly connected with the eccentric wheel, and the outer dimension of the plunger is matched with the inner dimension of the channel.

Preferably, the spring is movably connected with the fixed column, and the right side of the fixed column is perpendicular to the inner wall of the shell.

Preferably, the radiating holes and the protective shell are of an integrated structure, and the radiating holes are distributed in the protective shell at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model has the advantages that the rotating shaft can not cause energy loss in the rotating process through the rotating shaft, the eccentric wheel, the sound absorbing cotton and the shell, the transmission efficiency is improved, the stability in the rotating process is ensured, meanwhile, the noise emitted by the hydraulic pump can be absorbed, the relative silence of the surrounding environment is ensured, and the rotating shaft can not easily fall off when being fixed with the shell;

2. the utility model discloses a plunger, passageway, spring and fixed column, the plunger guarantees the minimum of gap to the greatest extent when stretching out and drawing back in the passageway, can not cause the oil leak phenomenon on the one hand, and on the other hand can guarantee the conversion between the pressure, can prevent to the flexible of spring simultaneously, prevents to flow out hydraulic oil and prevent to cause the backward flow;

3. the utility model discloses a protective housing and louvre for temperature in the device remains throughout within a safe temperature range, can not be higher because of the temperature, lead to the damage of spare part in the device, has prolonged the life in the device, can also carry out a protection to spare part in the device simultaneously, can not threaten personnel's safety on every side.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a rotating shaft; 2. a ball bearing; 3. an eccentric wheel; 4. sound-absorbing cotton; 5. a housing; 6. a plunger; 7. an oil inlet; 8. a channel; 9. a stopper; 10. rolling a ball; 11. a spring; 12. fixing a column; 13. an oil outlet; 14. a protective shell; 15. heat dissipation holes; 16. a support frame; 17. a base.

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. 1-3, the present invention provides a technical solution: a hydraulic pump with low noise and high-efficiency heat dissipation function comprises a rotating shaft 1 and sound-absorbing cotton 4, wherein balls 2 are movably connected to the upper side and the lower side of the rotating shaft 1, an eccentric wheel 3 is fixedly connected to the right side of the rotating shaft 1, a rotating structure is arranged between the rotating shaft 1 and the eccentric wheel 3, and the central axis of the rotating shaft 1 coincides with the central axis of the eccentric wheel 3, so that the rotating shaft 1 cannot cause energy loss in the rotating process, the transmission efficiency is improved, and the stability in the rotating process is ensured;

the right side of the eccentric wheel 3 is fixedly connected with a plunger 6, an oil inlet 7 is arranged above the plunger 6, the plunger 6 is fixedly connected with the eccentric wheel 3, the external size of the plunger 6 is matched with the internal size of the channel 8, the plunger 6 can furthest ensure the minimum gap when stretching in the channel 8, on one hand, the oil leakage phenomenon can not be caused, on the other hand, the conversion between pressures can be ensured, the right side of the plunger 6 is provided with the channel 8, the inside of the channel 8 is fixedly connected with a stop block 9, the right side of the stop block 9 is provided with a rolling ball 10, the right side of the rolling ball 10 is fixedly connected with a spring 11, the spring 11 is movably connected with a fixed column 12, the right side of the fixed column 12 is vertical to the inner wall of the shell 5, meanwhile, the spring 11 can be stretched, and the hydraulic;

spring 11's inside is provided with fixed column 12, and fixed column 12's top is provided with oil-out 13, shell 5's right side fixedly connected with protective housing 14, and protective housing 14's inside is provided with between 15 louvres of louvre 15 and the protective housing 14 formula structure as an organic whole, and 15 louvres equidistance distribute in protective housing 14's inside, make the temperature in the device remain throughout within a safe temperature range, can not be higher because of the temperature, lead to the damage of spare part in the device, prolonged the life in the device, can also carry out a protection to the spare part in the device simultaneously, personnel's safety on every side can not threaten, shell 5's below fixedly connected with support frame 16, and support frame 16's below fixedly connected with base 17.

The working principle is as follows: when the hydraulic pump with the low-noise high-efficiency heat dissipation function is used, firstly, the base 17 is fixed in a use area through bolts, the support frames 16 arranged on the left side and the right side of the pump can effectively prevent shaking in work, then hydraulic oil enters the pump through the oil inlet 7, when the pump starts to work, the power source enables the rotating shaft 1 to rotate and to be in contact with the balls 2 in the rotating process, the rotating shaft 1 is ensured to be horizontal, meanwhile, the friction coefficient of the balls 2 is small, the transmission efficiency cannot be influenced, then the rotating shaft 1 drives the eccentric wheel 3 to rotate, the eccentric wheel 3 drives the plunger 6 to perform telescopic reciprocating motion in the channel 8, so that the hydraulic oil flows out from the oil outlet 13 through the channel 8, when the plunger 6 moves leftwards, the pressure drives the rolling ball 10 to move leftwards and then is in contact with the stop block 9, when the plunger 6 moves rightwards, the, the circulation of oil can be realized without causing the backflow of hydraulic oil, and the working principle of the hydraulic pump with the low-noise and high-efficiency heat dissipation functions is the same.

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

1. The utility model provides a hydraulic pump with high-efficient heat dissipation function of low noise, includes pivot (1) and inhales sound cotton (4), its characterized in that: the upper side and the lower side of the rotating shaft (1) are movably connected with balls (2), the right side of the rotating shaft (1) is fixedly connected with an eccentric wheel (3), a shell (5) is arranged outside the sound absorption cotton (4), the sound absorption cotton (4) is positioned outside the eccentric wheel (3), the right side of the eccentric wheel (3) is fixedly connected with a plunger (6), an oil inlet (7) is arranged above the plunger (6), a channel (8) is arranged on the right side of the plunger (6), a stop block (9) is fixedly connected inside the channel (8), a rolling ball (10) is arranged on the right side of the stop block (9), a spring (11) is fixedly connected on the right side of the rolling ball (10), a fixed column (12) is arranged inside the spring (11), an oil outlet (13) is arranged above the fixed column (12), and a protective shell (14) is fixedly connected on the right, and the inside of protective housing (14) is provided with louvre (15), below fixedly connected with support frame (16) of shell (5), and the below fixedly connected with base (17) of support frame (16).

2. The hydraulic pump with low noise and high heat dissipation efficiency as claimed in claim 1, wherein: a rotating structure is arranged between the rotating shaft (1) and the eccentric wheel (3), and the central axis of the rotating shaft (1) and the central axis of the eccentric wheel (3) are coincided with each other.

3. The hydraulic pump with low noise and high heat dissipation efficiency as claimed in claim 1, wherein: inhale and be the bonding between sound cotton (4) and shell (5), just inhale sound cotton (4) and closely laminate in the inner wall of shell (5).

4. The hydraulic pump with low noise and high heat dissipation efficiency as claimed in claim 1, wherein: the plunger (6) is fixedly connected with the eccentric wheel (3), and the external size of the plunger (6) is matched with the internal size of the channel (8).

5. The hydraulic pump with low noise and high heat dissipation efficiency as claimed in claim 1, wherein: the spring (11) is movably connected with the fixed column (12), and the right side of the fixed column (12) is vertical to the inner wall of the shell (5).

6. The hydraulic pump with low noise and high heat dissipation efficiency as claimed in claim 1, wherein: the heat dissipation holes (15) and the protective shell (14) are of an integrated structure, and the heat dissipation holes (15) are distributed in the protective shell (14) at equal intervals.