CN216554374U

CN216554374U - Gear pump shell heat radiation structure

Info

Publication number: CN216554374U
Application number: CN202122970203.1U
Authority: CN
Inventors: 王强; 马燕; 张吉高
Original assignee: Huai'an Youbang Hydraulic Machinery Co ltd
Current assignee: Huai'an Youbang Hydraulic Machinery Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-17
Anticipated expiration: 2031-11-30

Abstract

The utility model belongs to the technical field of gear pumps, and discloses a gear pump shell heat dissipation structure which comprises an inner shell, wherein a liquid inlet and a liquid outlet are respectively arranged on two sides of the inner shell, an outer shell is covered outside the inner shell, a cavity is formed between the outer shell and the inner shell, a water inlet pipe and a water outlet pipe are respectively connected to two sides of the liquid inlet on the outer shell, and the water inlet pipe and the water outlet pipe are communicated with the cavity. The working progress is guaranteed.

Description

Gear pump shell heat radiation structure

Technical Field

The utility model belongs to the technical field of gear pumps, and particularly relates to a gear pump shell heat dissipation structure.

Background

The gear pump is a quantitative hydraulic pump which completes the action of sucking and pressing oil by the meshing motion of paired gears, and is a common hydraulic pump in a hydraulic system. When the gears rotate, the volume of the space on the gear disengagement side is increased from small to large to form vacuum to suck liquid, and the volume of the space on the gear engagement side is decreased from large to small to squeeze the liquid into the pipeline.

Current gear pump is in the course of the work, inside can produce more heat because of the friction, and gear pump shell structure is single, the radiating effect is poor, lead to temperature and transportation oil temperature rise gradually in the pump, and the oil temperature rises to can influence the normal work of conveying system behind the certain degree, need suspend the gear pump many times and cool down to fluid, thereby influence the job schedule, and the granule impurity that contains in the fluid gets into the inside back of gear pump, lead to the gear to take place great friction easily, the phenomenon and the wearing and tearing condition in the gear pump that the aggravation gear pump shell heaied up, lead to the life reduction of gear pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gear pump shell heat dissipation structure, which aims to solve the problems that the existing gear pump shell is single in structure and poor in heat dissipation effect, needs to be stopped for multiple times to cool, affects the working progress, and particle impurities in oil enter a gear pump to aggravate the abrasion between a gear and a shell, accelerate the temperature rise speed of a pump body and prolong the service life of the pump body.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a gear pump casing heat radiation structure, includes the inner shell, and the both sides of inner shell are provided with inlet and liquid outlet respectively, the outside cover of inner shell is equipped with the shell, and forms the cavity between shell and the inner shell, the both sides that lie in the inlet on the shell are connected with inlet tube and outlet pipe respectively, and inlet tube and outlet pipe all communicate with the cavity.

Preferably, the inside of inlet is provided with the filter, the filter includes the frame, and the inboard center department of frame is provided with the locating piece, be connected with an at least spinal branch vaulting pole between locating piece and the frame to be fixed with the filter screen.

Preferably, one side of the filter plate, which is close to the outer portion of the inner shell, is rotatably provided with a brush, the brush comprises an installation block and a plurality of linear rods, one end of each linear rod is connected with the installation block, bristles are fixed on each linear rod, and the bristles can be in sliding contact with the surface of the filter screen.

Preferably, an arc-shaped plate is fixed on one surface, far away from the filter plate, of each straight rod.

Preferably, a plurality of cooling fins are vertically fixed on the outer wall of the shell at equal intervals.

Preferably, a gear set is arranged inside the inner shell, and the gear set comprises a driving gear and a driven gear which are meshed with each other.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the utility model, the shell of the gear pump is in a form of combining the inner shell and the outer shell, the cavity is formed between the inner shell and the outer shell, cold water is introduced into the cavity through the water inlet pipe, the cold water flows out from the water outlet pipe after filling the cavity, and exchanges heat with the surface of the inner shell to rapidly take away heat on the surface of the inner shell, so that the heat dissipation of the gear pump is facilitated, external wind is blown to the heat dissipation fins, the heat dissipation effect of the shell is further improved, the phenomenon that the gear pump is suspended for multiple times to cool oil is avoided, and the working progress is ensured.

(2) According to the utility model, the filter plate is arranged on the inner wall of the liquid inlet, the brush is rotatably arranged on the filter plate, when oil enters the gear pump, the filter screen can filter partial particle impurities in the oil, so that the impurities are prevented from entering the interior of the pump body to aggravate the abrasion between the gear and the shell, the service life of the gear pump is prolonged, the phenomenon that the temperature inside the gear pump is heated too fast is prevented, and the arc-shaped plate can be pushed to drive the brush to rotate when the oil is contacted with the arc-shaped plate, so that the filter screen is prevented from being blocked, and the continuous service time of the filter screen is prolonged.

Drawings

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

FIG. 2 is a top view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is a schematic view of the filter plate and brush of the present invention;

in the figure: 1. an inner shell; 2. a housing; 3. a cavity; 4. a water inlet pipe; 5. a liquid inlet; 6. a water outlet pipe; 7. a gear set; 8. a heat sink; 9. a liquid outlet; 10. a filter plate; 11. a linear rod; 12. brushing; 13. a brush; 14. an arc-shaped plate; 15. an outer frame; 16. and (5) filtering by using a filter screen.

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.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a gear pump casing heat radiation structure, including inner shell 1, and the both sides of inner shell 1 are provided with inlet 5 and liquid outlet 9 respectively, the outside of inner shell 1 is covered and is equipped with shell 2, and vacuole formation 3 between shell 2 and the inner shell 1, the both sides that lie in inlet 5 on the shell 2 are connected with inlet tube 4 and outlet pipe 6 respectively, and inlet tube 4 and outlet pipe 6 all communicate with cavity 3, constantly let in cold water in 3 to the cavity through inlet tube 4, it flows out from outlet pipe 6 after cavity 3 is full of to cold water, carry out the heat exchange with inner shell 1 surface, take away its surperficial heat rapidly, be favorable to the heat dissipation of gear pump, avoid the gear pump that pauses many times to cool down to fluid, the work progress has been ensured.

Further, the inside of inlet 5 is provided with filter 10, filter 10 includes frame 15, frame 15's outer wall inlays on locating inlet 5's inner wall, and frame 15's inboard center department is provided with the locating piece, be connected with an at least spinal branch vaulting pole between locating piece and the frame 15, and be fixed with filter screen 16, filter screen 16 fills up the space between locating piece outer wall and the frame 15 inner wall, and filter screen 16's hole can filter most particle impurity in the fluid, avoid impurity to get into the inside aggravation gear of the pump body and the wearing and tearing of casing, the life of extension gear pump, prevent that the gear pump from causing the inside temperature rise too fast.

Furthermore, one side of the filter plate 10, which is close to the outside of the inner shell 1, is rotatably provided with a brush 13, the brush 13 comprises an installation block and a plurality of linear rods 11, one end of each linear rod 11 is connected with the installation block, bristles 12 are fixed on each linear rod 11, and the bristles 12 can be in surface sliding contact with the filter screen 16, so that the filter screen 16 can be prevented from being blocked, and the continuous service time of the filter screen 16 can be prolonged.

Specifically, every word pole 11 is kept away from all being fixed with arc 14 on the one side of filter 10, and the installation piece rotates through the dwang and installs on the locating piece, and arc 14 utilizes the principle of fan, and when fluid got into inner shell 1 from inlet 5 perpendicularly, fluid flow produced thrust to arc 14 to make brush 13 revolute the dwang and rotate, make brush hair 12 brush filter screen 16 surface, provide power for the rotation of brush 13 through the flow of fluid.

It is worth to say that a plurality of radiating fins 8 are vertically fixed on the outer wall of the shell 2 at equal intervals, the shell 2 and the radiating fins 8 are both made of aluminum materials, and external wind blows the radiating fins 8 to achieve the radiating effect of the shell 2, so that cold water after heat exchange in the cavity 3 is radiated, and the radiating effect of the shell is further improved.

Further, a gear set 7 is arranged inside the inner shell 1, the gear set 7 comprises a driving gear and a driven gear which are meshed with each other, the driving gear can be driven to rotate by an external motor, and the driving gear and the driven gear rotate in opposite directions according to the diagram of fig. 1, so that oil is sucked and discharged.

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 gear pump casing heat radiation structure which characterized in that: including inner shell (1), and the both sides of inner shell (1) are provided with inlet (5) and liquid outlet (9) respectively, the outside cover of inner shell (1) is equipped with shell (2), and forms cavity (3) between shell (2) and inner shell (1), the both sides that lie in inlet (5) on shell (2) are connected with inlet tube (4) and outlet pipe (6) respectively, and inlet tube (4) and outlet pipe (6) all communicate with cavity (3).

2. The gear pump housing heat dissipation structure of claim 1, wherein: the filter plate (10) is arranged inside the liquid inlet (5), the filter plate (10) comprises an outer frame (15), a positioning block is arranged at the center of the inner side of the outer frame (15), at least one supporting rod is connected between the positioning block and the outer frame (15), and a filter screen (16) is fixed on the supporting rod.

3. The gear pump housing heat dissipation structure of claim 2, wherein: the filter (10) are close to one side of inner shell (1) outside and rotate and are provided with brush (13), brush (13) are including installation piece and many word poles (11), and the one end of every word pole (11) all is connected with the installation piece, every all be fixed with brush hair (12) on the word pole (11), and brush hair (12) can with filter screen (16) surface sliding contact.

4. The gear pump housing heat dissipation structure of claim 3, wherein: an arc-shaped plate (14) is fixed on one surface of each straight rod (11) far away from the filter plate (10).

5. The gear pump housing heat dissipation structure of claim 4, wherein: a plurality of radiating fins (8) are vertically fixed on the outer wall of the shell (2) at equal intervals.

6. The gear pump housing heat dissipation structure of claim 5, wherein: the gear set (7) is arranged inside the inner shell (1), and the gear set (7) comprises a driving gear and a driven gear which are meshed with each other.