CN211370818U

CN211370818U - Cooling water pump for automobile engine

Info

Publication number: CN211370818U
Application number: CN201922306945.7U
Authority: CN
Inventors: 王华生
Original assignee: Hana Industries Co ltd
Current assignee: Hana Industries Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-28
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a cooling water pump for automobile engine, which relates to the technical field of water pumps, when the cooling water pump is normally used, an impeller rotates along the normal direction, because a blade rotates and is connected with a circular clamping plate and the blade generates relative motion under the action of inertia, the blade generates a trend of moving to one side deviating from the rotating direction of the impeller, and because of the arrangement of a limit column, the blade and the limit column are mutually contradicted, so the blade does not generate motion, and the cooling water is normally circulated; after cooling water pump used for a long time, because impurity in the cooling water can be stained with on pump body inner wall, carry out the back drive to the impeller this moment, because the effect of inertia and centrifugal force, so the inner of blade rotates outside the impeller, and the cleaning brush rotates outside the impeller promptly, and inconsistent with pump body inner wall, thereby the convenient internal wall of pump is cleaned, thereby play clear effect, make the pump body can also normally work after long-term the use, also make the circulation of coolant liquid more unobstructed.

Description

Cooling water pump for automobile engine

Technical Field

The utility model relates to a water pump technical field especially relates to a cooling water pump for automobile engine.

Background

The cylinder body of the automobile engine is provided with a plurality of water channels for cooling water circulation, the water channels are connected with a water tank arranged in the front of the automobile through water pipes to form a large water circulation system, and a cooling water pump is positioned at an upper water outlet of the engine and is driven by the engine through a belt pulley to pump hot water out of the water channels of the engine cylinder body and pump cold water into the water channels. A thermostat is arranged beside the water pump, when the automobile is started (namely, the automobile is cooled), the thermostat is not opened, so that cooling water does not pass through the water tank and only circulates in the engine, when the temperature of the engine reaches over 95 ℃, the thermostat is opened, hot water in the engine is pumped into the water tank, and cold air in the process of advancing the automobile blows through the water tank to take away heat. The final purpose is to keep the temperature of the engine in an ideal state all the time and avoid damage caused by overheating.

The engine drives the water pump bearing and the impeller to rotate through the belt pulley, the cooling liquid in the water pump is driven by the impeller to rotate together, is thrown to the edge of the water pump shell under the action of centrifugal force, generates certain pressure at the same time, and then flows out of the water outlet channel or the water pipe. The center of the impeller is positioned at the position where the cooling liquid is thrown out, the pressure is reduced, and the cooling liquid in the water tank is sucked into the impeller through the water pipe under the action of the pressure difference between the inlet of the water pump and the center of the impeller, so that the reciprocating circulation of the cooling liquid is realized.

When the engine operates under high temperature, the coolant often has tiny caking substances which are sucked into the pump body, the normal work of the pump body is not facilitated, and in the past, the impurities can be attached to the inner wall of the pump body for a long time, thereby affecting the normal circulation of the coolant.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the engine operation under the high temperature condition often can have the material of small caking in the coolant liquid, in the suction pump body, is unfavorable for the normal work of the pump body, and long-term in the past, this type of impurity can be stained with on the inner wall of the pump body to influence the normal circulation of coolant liquid.

In order to solve the technical problems, the utility model provides a cooling water pump for an automobile engine, which comprises a pump body, wherein a shaft connecting bearing is in interference fit in the pump body, the upper end and the lower end of the shaft connecting bearing are respectively connected with a flange and an impeller device, the impeller device comprises two circular clamping plates which are parallel to each other along the vertical direction and are arranged at intervals, a plurality of blades are rotatably connected between the two circular clamping plates, the rotating shaft of each blade is arranged at one end close to the outer side of the impeller along the vertical direction, the blades are arranged at equal intervals along the circumferential direction of the impeller, each blade comprises an inner end close to the inner part of the circular clamping plate and an outer end close to the outer side of the circular clamping plate, the linear distance between the inner end and the outer end on the same blade is smaller than the linear distance between the outer ends of two adjacent blades, a limiting column which is used for being abutted against the corresponding blade is also connected, one end of each blade departing from the rotating shaft of the blade is provided with a cleaning brush which is used for being abutted against the inner wall of the pump body.

The technical effects are as follows: when the cooling water pump is in normal use, the impeller rotates along the normal direction, the blade is connected to the circular clamping plate in a rotating mode and generates relative motion under the action of inertia, the blade tends to move to one side away from the rotating direction of the impeller, and the blade and the limiting column are abutted with each other due to the arrangement of the limiting column, so that the blade does not move, and the cooling water is normally circulated; after cooling water pump used for a long time, because impurity in the cooling water can be stained with on the pump body inner wall, carry out the back drive to the impeller this moment, because the effect of inertia and centrifugal force, and spacing post can not restrict the displacement of this direction, so the inner of blade rotates outside the impeller, the cleaning brush also rotates outside the impeller promptly, and the inner wall of cleaning brush and the pump body is inconsistent, in addition, the rotation of whole circular grip block, make the cleaning brush clean the internal wall of pump, thereby play clear effect, make the pump body can also normally work after long-term use, also make the circulation of coolant liquid more unobstructed.

The utility model discloses the technical scheme who further injects is: the cross section of the blade is in the shape of a circular arc, and the circular arc protrudes along the rotation direction of the impeller.

Further, the blades and the circular clamping plate are obliquely arranged, and the inclination angle is set to be 30 degrees.

The cooling water pump for the automobile engine is characterized in that the limiting column is arranged to be abutted against the inner end of the blade.

The cooling water pump for the automobile engine comprises a cleaning brush, a mounting plate and a plurality of brush bodies, wherein the mounting plate is detachably connected to the inner end of the cleaning brush, and the mounting plate is provided with the brush bodies.

The cooling water pump for the automobile engine is characterized in that the brush bodies are uniformly arrayed on one side of the mounting plate, which deviates from the inner end.

The cooling water pump for the automobile engine is characterized in that the brush body is made of rubber.

The utility model has the advantages that:

(1) in the utility model, the blade shape is arranged, so that the whole impeller has higher lift when rotating, and the effect on the cooling liquid is more obvious, thereby the circulation of the whole cooling liquid is more rapid and smooth, the heat dissipation and cooling effect of the cooling liquid is improved, and the angle arrangement of the blade further strengthens the effect;

(2) in the utility model, the position of the limiting column is arranged, so that the limiting column is positioned at the topmost end of the blade, and when the limiting column is positioned at the position, the pressure of the blade on the limiting column is smaller according to the lever principle, so that the service life of the limiting column is longer, and the limiting effect of the limiting column on the blade is ensured; meanwhile, the limiting effect of the limiting column on the blade is better at the position, so that the blade can be effectively kept stable when the impeller normally rotates, and the cooling liquid can be stably circulated;

(3) the utility model discloses in, the setting of mounting panel makes whole cleaning brush can dismantle to be connected on the blade to after cleaning brush long-term use, can be convenient change it, and the distribution of a plurality of brush bodies has then strengthened the clean effect of whole cleaning brush to pump body inner wall, and the material of the brush body sets up to rubber and has then strengthened the durability of the brush body, makes the life of whole cleaning brush longer.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic view of the impeller of the present invention rotating in the forward direction;

fig. 4 is a schematic view of the impeller of the present invention rotating in the reverse direction.

Wherein: 1. a pump body; 2. a shaft coupling bearing; 3. a flange; 4. an impeller device; 41. a circular clamping plate; 42. a blade; 421. an inner end; 422. an outer end; 43. a limiting column; 44. a cleaning brush; 441. mounting a plate; 442. a brush body.

Detailed Description

The cooling water pump for the automobile engine that this embodiment provided, the structure is as shown in fig. 1 to fig. 4, including the pump body 1, the inside interference fit of the pump body 1 has a shaft joint bearing 2, and the upper and lower both ends of shaft joint bearing 2 are connected with flange 3 and impeller device 4 respectively. Impeller device 4 includes two circular grip blocks 41 that are parallel to each other, two circular grip blocks 41 set up along vertical direction interval, it is connected with a plurality of blades 42 to rotate between two circular grip blocks 41, the axis of rotation of blade 42 sets up along vertical direction, and locate the one end that blade 42 self leaned on the impeller outside, still be connected with a plurality of spacing posts 43 between two circular grip blocks 41, spacing post 43 is used for inconsistent with corresponding blade 42, the one end that blade 42 deviates from self axis of rotation is provided with cleaning brush 44, and cleaning brush 44 is used for inconsistent with the inner wall of the pump body 1.

The blades 42 are arranged at equal intervals along the circumferential direction of the impeller, each blade 42 comprises an inner end 421 close to the inside of the circular clamping plate 41 and an outer end 422 close to the outside of the circular clamping plate 41, the linear distance between the inner end 421 and the outer end 422 on the same blade 42 is smaller than the linear distance between the outer ends 422 of two adjacent blades 42, the cross section of each blade 42 is in the shape of a circular arc, the circular arc protrudes along the rotation direction of the impeller, the blades and the circular clamping plate 41 are obliquely arranged, and the inclination angle is set to be 30 degrees.

The limiting column 43 is arranged on one side of the corresponding blade 42, which is far away from the rotation direction of the impeller, and is arranged to be abutted against the inner end 421 of the blade 42; the cleaning brush 44 comprises a mounting plate 441 and a plurality of brush bodies 442 which are sequentially arranged along the length direction of the cleaning brush, the mounting plate 441 is detachably connected to the inner end 421 of the blade 42, the brush bodies 442 are uniformly arrayed on one side of the mounting plate 441, which is far away from the inner end 421, and the brush bodies 442 are made of rubber.

When the cooling water pump is in normal use, the impeller rotates along the normal direction, the blade 42 is rotationally connected with the circular clamping plate 41 and generates relative motion under the action of inertia, the blade 42 generates a trend of moving to one side departing from the rotation direction of the impeller, and the blade 42 and the limiting column 43 are mutually abutted due to the arrangement of the limiting column 43, so that the blade 42 does not generate motion and normally plays a circulating role in cooling water; after cooling water pump used for a long time, because impurity in the cooling water can be stained with on the inner wall of the pump body 1, carry out the back drive to the impeller this moment, because the effect of inertia and centrifugal force, and spacing post 43 can not restrict the displacement of this direction, so the inner 421 of blade 42 rotates outside the impeller, cleaning brush 44 also rotates outside the impeller promptly, and cleaning brush 44 is inconsistent with the inner wall of the pump body 1, in addition, the rotation of whole circular grip block 41, make cleaning brush 44 clean the inner wall of the pump body 1, thereby play clear effect, make the pump body 1 can also normally work after long-term use, also make the circulation of coolant liquid more unobstructed.

In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims

1. The utility model provides a cooling water pump for automobile engine, includes the pump body (1), and the inside interference fit of pump body (1) has axle to connect bearing (2), and the upper and lower both ends of axle to connect bearing (2) are connected respectively and are equipped with flange (3) and impeller device (4), its characterized in that: the impeller device (4) comprises two circular clamping plates (41) which are parallel to each other in the vertical direction and are arranged at intervals, a plurality of blades (42) are rotatably connected between the two circular clamping plates (41), the rotating shafts of the blades (42) are arranged at one end of the rotating shafts close to the outer side of the impeller along the vertical direction, the blades (42) are arranged at intervals in the circumferential direction of the impeller at equal intervals, each blade (42) comprises an inner end (421) close to the inside of the circular clamping plate (41) and an outer end (422) close to the outer side of the circular clamping plate (41), the linear distance between the inner end (421) and the outer end (422) on the same blade (42) is smaller than the linear distance between the outer ends (422) of the two adjacent blades (42), a limiting column (43) which is used for being abutted against the corresponding blade (42) is further connected between the two circular clamping plates (41), and the limiting column (43) is arranged at one side of, one end of the blade (42) departing from the rotating shaft of the blade is provided with a cleaning brush (44) which is used for being abutted against the inner wall of the pump body (1).

2. The cooling water pump for an automobile engine according to claim 1, characterized in that: the cross section of the blade (42) is in the shape of a circular arc, and the circular arc is convex along the rotation direction of the impeller.

3. The cooling water pump for an automobile engine according to claim 2, characterized in that: the blades (42) and the circular clamping plate (41) are obliquely arranged, and the oblique angle is set to be 30 degrees.

4. The cooling water pump for an automobile engine according to claim 1, characterized in that: the limiting columns (43) are arranged to be in contact with the inner ends (421) of the blades (42).

5. The cooling water pump for an automobile engine according to claim 1, characterized in that: the cleaning brush (44) comprises a mounting plate (441) detachably connected to the inner end (421), and a plurality of brush bodies (442) are mounted on the mounting plate (441).

6. The cooling water pump for an automobile engine according to claim 5, characterized in that: the brush bodies (442) are uniformly arrayed on one side of the mounting plate (441) away from the inner end (421).

7. The cooling water pump for an automobile engine according to claim 6, characterized in that: the brush body (442) is made of rubber.