An energy-saving water pump for automobiles

Abstract

The present invention relates to the technical field of water pumps and discloses an energy-saving water pump for automobiles. By using the blades that can reciprocate between the outside and the inside of the barrel-shaped structure, when the engine starts, the energy-saving water pump for automobiles can be in a zero-displacement state by moving the blades to the inside of the barrel-shaped structure, without outputting the cooling water to the cooling water circuit and making the radiator not work temporarily, so that the engine can quickly warm up and achieve full combustion of the fuel. On the contrary, when the engine is overheated, the energy-saving water pump for automobiles can work at full flow by moving the blades to the outside of the barrel-shaped structure, thereby outputting the cooling water to the cooling water circuit and making the radiator start to work to dissipate heat and cool the engine, achieving the energy-saving effect of reducing the energy consumption of the automobile.

Description

Technical Field

[0001] The present invention relates to the technical field of water pumps, and in particular to an energy-saving water pump for automobiles. Background Art

[0002] The function of an automobile water pump is to pressurize the cooling water in the automobile to ensure its circulating flow in the cooling system. By continuously flowing the cooling water in the radiator, the heat of the engine cylinder block is taken away, so that the engine temperature will not be too high.

[0003] The existing automobile water pump is composed of parts such as a water pump housing, a water pump shaft and bearings, and a water pump impeller. When the engine starts, the water pump shaft is driven to rotate by a belt, and then the automobile water pump works. And this kind of automobile water pump works simultaneously with the engine, so the automobile water pump also starts to work when the engine just starts. However, since the existing automobile water pump is a fixed-displacement pump, the automobile water pump will operate at full displacement. At this time, the engine temperature is relatively low, while the radiator dissipates heat at full efficiency, which will cause the engine temperature to be too low, incomplete fuel combustion, engine carbon deposition, affecting the service life of the engine, and consuming a large amount of energy. Summary of the Invention

[0004] In view of the above problems, the present invention discloses an energy-saving water pump for automobiles to overcome or at least partially solve the above problems.

[0005] The energy-saving water pump for automobiles includes a pump housing, a pump shaft, an impeller disc, blades and a baffle; the pump housing is provided with a water inlet and a water outlet, the impeller disc is located inside the pump housing and can rotate; one end of the pump shaft is located inside the pump housing and is coaxially and fixedly connected to the impeller disc, and the other end extends to the outside of the pump housing and is connected to the engine; the impeller disc has a front cover plate and a rear cover plate, the baffle is arranged between the front cover plate and the rear cover plate, and together with the front cover plate and the rear cover plate encloses a closed barrel-shaped structure and rotates with the impeller disc; the blades are connected to the baffle and can move to the outside or inside of the barrel-shaped structure.

[0006] Preferably, the barrel-shaped structure is formed by sequentially splicing a plurality of the baffles along the circumferential direction of the pump shaft, and each baffle can flip between the front cover plate and the rear cover plate, and the blades are fixed to one side of the baffle and can move to the outside or inside of the barrel-shaped structure along with the flipping of the baffle.

[0007] Preferably, the automotive energy-saving water pump further includes a rotating disk and a flipping track, and a baffle shaft is provided on the baffle; the rotating disk is located inside the pump housing and is capable of rotating relative to the impeller disk. A plurality of arc-shaped grooves are provided on the rotating disk, and the plurality of arc-shaped grooves are arranged in sequence along the circumferential direction of the rotating disk; one end of the baffle shaft is fixedly connected to the baffle, and the other end passes through the arc-shaped groove and is slidably connected to the flipping track; the flipping track is arranged along the diameter direction of the rotating disk and includes a straight track and a V-shaped track, and the straight track is located at both ends of the V-shaped track.

[0008] Preferably, two support shafts are provided at one end of the baffle shaft that is slidably connected to the flipping track; the two support shafts are in the same plane as the baffle shaft, and the two support shafts are located on both sides of the baffle shaft; when the two support shafts are in contact with the straight track at the same time, the baffle and the front cover plate and the rear cover plate jointly enclose a closed barrel-shaped structure.

[0009] Preferably, an impeller groove is provided on the impeller disk along its diameter direction. The flipping track adopts a boss structure and is composed of a straight track boss and a triangular boss. The straight track boss is arranged parallel to the impeller groove; along the length direction of the straight track boss, a V-shaped groove is provided on the straight track boss, and the triangular boss is located in the V-shaped groove and is arranged with a gap from the groove surface of the V-shaped groove to accommodate the support shaft to slide over.

[0010] Preferably, the automotive energy-saving water pump further includes a control disk; the control disk is coaxially and fixedly connected to the impeller disk, and the flipping track is arranged on the control disk.

[0011] Preferably, the automotive energy-saving water pump further includes a motor; the motor is connected to the rotating disk to drive the rotating disk to rotate reciprocally relative to the impeller disk.

[0012] Preferably, the automotive energy-saving water pump further includes a first gear and a second gear; the first gear is sleeved and fixed on the output shaft of the motor, the second gear is coaxially and fixedly connected to the rotating disk, and the first gear is meshed with the second gear.

[0013] Preferably, the cross-section of the baffle is an oval with pointed ends at both ends.

[0014] Preferably, along the diameter direction of the impeller disk, the blade is slidably connected to the baffle.

[0015] The automotive energy-saving water pump of the present invention has the following beneficial technical effects:

[0016] 1. In the energy-saving water pump for automobiles of the present invention, by using the blades that can reciprocate between the outside and the inside of the barrel-shaped structure, when the engine starts, the energy-saving water pump for automobiles can be in a zero-displacement state by moving the blades to the inside of the barrel-shaped structure, without outputting the cooling water to the cooling water circuit and making the radiator not work temporarily, so that the engine can quickly warm up and achieve full combustion of the fuel; conversely, when the engine is overheated, the energy-saving water pump for automobiles can work at full flow by moving the blades to the outside of the barrel-shaped structure, thereby outputting the cooling water to the cooling water circuit and making the radiator start to work, starting to cool the engine, and achieving the energy-saving effect of reducing the energy consumption of the automobile.

[0017] 2. In the energy-saving water pump for automobiles of the present invention, by designing the barrel-shaped structure as a split structure composed of multiple baffles and fixing multiple blades on multiple baffles respectively, the switching of the blades between the outside and the inside of the barrel-shaped structure can be realized by flipping the baffles, and further the switching control between zero-displacement and full-displacement of the energy-saving water pump for automobiles can be achieved.

[0018] 3. In the energy-saving water pump for automobiles of the present invention, by arranging an arc-shaped groove on the rotating disk, a flipping track on the control disk and an impeller groove on the impeller disk, and using the rotation of the rotating disk relative to the control disk and the impeller disk and the guiding of the flipping track and the impeller groove for the flipping of the baffles, the precise flipping control of the baffles can be realized, and the simplicity and convenience of the flipping control of the baffles can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic cross-sectional structure diagram of the energy-saving water pump for automobiles in this embodiment;

[0020] Figure 2 When the energy-saving water pump for automobiles in this embodiment is at zero displacement Figure 1 It is a schematic cross-sectional view in the A-A direction;

[0021] Figure 3 When the energy-saving water pump for automobiles in this embodiment is at zero displacement Figure 1 It is a schematic cross-sectional view in the B-B direction;

[0022] Figure 4 When the energy-saving water pump for automobiles in this embodiment is at zero displacement Figure 1 It is a schematic cross-sectional view in the C-C direction;

[0023] Figure 5 When the first support shaft in this embodiment enters the V-shaped track Figure 1 It is a schematic cross-sectional view in the A-A direction;

[0024] Figure 6 When the first support shaft in this embodiment enters the V-shaped track Figure 1 It is a schematic cross-sectional view in the B-B direction;

[0025] Figure 7 Schematic cross-sectional view in the C-C direction when the first shaft of this embodiment enters the V-shaped track Figure 1 ;

[0026] Figure 8 Schematic cross-sectional view in the A-A direction when the first shaft of this embodiment enters the bottom of the V-shaped track Figure 1 ;

[0027] Figure 9 Schematic cross-sectional view in the B-B direction when the first shaft of this embodiment enters the bottom of the V-shaped track Figure 1 ;

[0028] Figure 10 Schematic cross-sectional view in the C-C direction when the first shaft of this embodiment enters the bottom of the V-shaped track Figure 1 ;

[0029] Figure 11 Schematic cross-sectional view in the A-A direction when the first shaft of this embodiment exits the V-shaped track Figure 1 ;

[0030] Figure 12 Schematic cross-sectional view in the B-B direction when the first shaft of this embodiment exits the V-shaped track Figure 1 ;

[0031] Figure 13 Schematic cross-sectional view in the C-C direction when the first shaft of this embodiment exits the V-shaped track Figure 1 ;

[0032] Figure 14 Schematic cross-sectional view in the A-A direction when the automotive energy-saving water pump of this embodiment is at full displacement Figure 1 ;

[0033] Figure 15 Schematic cross-sectional view in the B-B direction when the automotive energy-saving water pump of this embodiment is at full displacement Figure 1 ;

[0034] Figure 16 Schematic cross-sectional view in the C-C direction when the automotive energy-saving water pump of this embodiment is at full displacement Figure 1 ;

[0035] Figure 17 Schematic diagram of the external shape structure of the control panel of this embodiment

[0036] Figure 18 is Figure 1 Schematic diagram of the enlarged local structure at I in Detailed implementation manners

[0037] The technical solutions of the present invention will be further introduced in detail below in conjunction with the accompanying drawings and embodiments

[0038] Combined with Figures 1 to 18 As shown, this embodiment discloses an energy-saving water pump for an automobile, which includes a pump housing 1, a pump shaft 2, an impeller disc 3, blades 4 and a baffle 5. Among them, the pump housing 1 is provided with a water inlet 6 and a water outlet 7. The water inlet 6 is used to connect with a water tank, and the water outlet 7 is used to connect with a cooling water circuit. The impeller disc 3 is located inside the pump housing 1 and can rotate. One end of the pump shaft 2 is located inside the pump housing 1 and is fixedly connected coaxially with the impeller disc 3 to drive the impeller disc 3 to rotate inside the pump housing 1. The other end of the pump shaft 2 extends outside the pump housing 1 and is connected to the engine. The impeller disc 3 has a front cover plate and a rear cover plate. The baffle 5 is arranged between the front cover plate and the rear cover plate, and can jointly form a closed barrel-shaped structure with the front cover plate and the rear cover plate and rotate with the impeller disc 3. The blade 4 is connected to the baffle 5 and can move to the outside or inside of the barrel-shaped structure.

[0039] At this time, by using the fact that the blade can reciprocate between the outside and the inside of the barrel-shaped structure, when the engine starts, the energy-saving water pump for the automobile can be in a zero displacement state by moving the blade to the inside of the barrel-shaped structure, without outputting the cooling water to the cooling water circuit and making the radiator not work temporarily, so that the engine can be quickly heated up to achieve full combustion of the fuel; on the contrary, when the engine is overheated, the energy-saving water pump for the automobile can be made to work at full flow by moving the blade to the outside of the barrel-shaped structure, so as to output the cooling water to the cooling water circuit and make the radiator start to work, and start to cool the engine, ultimately reducing the energy consumption of the automobile and achieving the energy-saving effect.

[0040] Preferably, in the energy-saving water pump for the automobile in this embodiment, six baffles 5 are provided and the six baffles 5 are designed with a split structure, that is, the barrel-shaped structure is sequentially spliced by six baffles 5 along the circumferential direction of the pump shaft 2, and each baffle 5 can flip between the front cover plate and the rear cover plate. At the same time, six blades 4 are provided, and each blade 4 is respectively fixed on one side of each baffle 5 and can reciprocally switch and move between the outside and the inside of the barrel-shaped structure along with the flipping of the baffle 5.

[0041] At this time, by controlling the baffle to flip by 180°, the blade can be moved to the outside or inside of the barrel-shaped structure composed of six baffles, the front cover plate and the rear cover plate by using the flipping of the baffle, so as to achieve the effect of controlling the displacement of the energy-saving water pump for the automobile.

[0042] Further, in the automotive energy-saving water pump of this embodiment, a rotating disk 8 and a flipping track 9 are also provided. A baffle shaft 51 is provided on the baffle 5. Among them, the rotating disk 8 is located inside the pump housing 1 and is sleeved outside the pump shaft 2 and can rotate relative to the impeller disk 3. At the same time, six arc-shaped grooves 81 are provided on the rotating disk 8, and the six arc-shaped grooves 81 are arranged in sequence along the circumferential direction of the rotating disk 8. One end of the baffle shaft 51 is fixedly connected to the baffle 5, and the other end passes through the arc-shaped groove 81 and is slidably connected to the flipping track 9. The flipping track 9 is arranged along the diameter direction of the rotating disk 8 and includes a straight track 91 and a V-shaped track 92, and the straight track 91 is located at both ends of the V-shaped track 92.

[0043] At this time, by driving the rotating disk to rotate relative to the impeller disk, the baffle shaft can be driven to move along the flipping track by using the arc-shaped groove. When the baffle shaft passes through the V-shaped track from the straight track and enters the straight track again, a 180° flip of the baffle is formed, so that the blade is flipped from the inside of the barrel-shaped structure to the outside; conversely, when the rotating disk is driven to rotate relative to the impeller disk in the reverse direction, the baffle can be driven to move in the reverse direction along the flipping track by using the arc-shaped groove again, and when passing through the V-shaped track again, the baffle is flipped 180° again to flip the blade from the outside of the barrel-shaped structure to the inside, thereby achieving the change of the displacement of the automotive energy-saving water pump.

[0044] Among them, in this embodiment, two support shafts are provided at one end of the baffle shaft 51 that is slidably connected to the flipping track 9, namely the first support shaft 511 and the second support shaft 512. The first support shaft 511 and the second support shaft 512 are in the same plane as the baffle shaft 51, and the first support shaft 511 and the second support shaft 512 are respectively located on both sides of the baffle shaft 51. Moreover, when the first support shaft 511 and the second support shaft 512 are in contact with the straight track 91 at the same time, the six baffles 5 are maintained at the position where they jointly enclose a closed barrel-shaped structure with the front cover plate and the rear cover plate. At the same time, the baffle shaft 51 is directly fixed to the blade 4.

[0045] In this way, in the process of the baffle shaft moving outward along the straight track at the front end of the V-shaped track (the end close to the pump shaft) in a manner that the first support shaft is farther away from the pump shaft position than the second support shaft, the six baffles are gradually expanded along the diameter direction of the impeller disk under the drive of the baffle shaft; when the baffle shaft moves to the point where the first support shaft enters the V-shaped track, the baffle rotates with the baffle shaft as a fulcrum to cause the second support shaft to break away from contact with the straight track; when the baffle shaft continues to move and causes the first support shaft to move to the bottom of the V-shaped track, the baffle rotates with the first support shaft as a fulcrum to cause the baffle shaft and the second support shaft to slide over the V-shaped track; when the baffle shaft continues to move, the first support shaft, the second support shaft and the baffle shaft all come into contact with the straight track of the rear section of the V-shaped track and compared with the first support shaft, the second support shaft is at a position farther away from the pump shaft, thereby completing the 180° flipping of the baffle and re-forming the barrel-shaped structure to achieve a change in the position of the blades. On the contrary, when the rotating shaft rotates in the reverse direction, the baffle can be flipped 180 degrees in the reverse direction to flip the blades to the inside of the barrel-shaped structure.

[0046] In this embodiment, two support shafts are provided on the baffle shaft, so that the two support shafts can be used as rotation fulcrums respectively. Driven by the baffle shaft, the baffle can be reciprocated and flipped, and the position of the blades can be changed, so as to change the displacement of the automobile energy-saving water pump. Of course, in other embodiments, other methods can also be used, such as designing the end of the baffle shaft that contacts the flip track to be a square cross-section and using the corner as the flip fulcrum, so as to achieve the reciprocating flipping of the baffle. Even, a flip driver, such as a motor, can be separately provided for each baffle shaft to achieve the reciprocating flipping control of the baffle.

[0047] Combination Figure 2 and Figure 17 As shown, in this embodiment, the impeller disc 3 is provided with six impeller grooves 31 opened along the diameter direction thereof, and the flip track 9 adopts a boss structure and is arranged on the control disc 10, and the control disc 10 is coaxially fixedly connected with the impeller disc 3. The flip track 9 is composed of a straight track boss 93 and a triangular boss 94, and the straight track boss 93 is arranged parallel to the impeller groove 31, wherein the table surface of the straight track boss 93 constitutes the straight track 91, and along the length direction of the straight track boss 93, a V-shaped groove is provided on the straight track boss 93, and the triangular boss 94 is arranged with a gap between the groove surface of the V-shaped groove to form a V-shaped track 92 for accommodating the first support shaft 511 and the second support shaft 512 to slide through.

[0048] At this time, by means of the impeller grooves formed in the impeller disk, the movement of the baffle shaft can be guided, so that the first support shaft and the second support shaft can reciprocate along the flipping track in the form of a boss, ensuring the effective flipping of the baffle. Of course, in other embodiments, the flipping track can also be designed in the form of a chute structure, and the first support shaft and the second support shaft are slidably connected in the flipping track in the form of a chute structure, so that the reciprocating movement of the first support shaft and the second support shaft along the flipping track can also be guided to achieve the effective flipping of the baffle.

[0049] In addition, in this embodiment, by arranging the flipping track on the control disk and then sleeving the control disk outside the pump shaft and fixedly connecting it coaxially with the impeller disk, the processing difficulty of the flipping track can be reduced and the processing accuracy of the flipping track can be improved.

[0050] Combined with Figure 1 As shown in the figure, in the automotive energy-saving water pump of this embodiment, there is also a motor 11. The motor 11 is fixed on the control disk 10 inside the pump housing 1 and is connected to the rotating disk 8 to drive the rotating disk 8 to reciprocate relative to the impeller disk 3.

[0051] Among them, the motor 11 and the rotating disk 8 are connected by gear drive. A first gear 12 is sleeved on the output shaft of the motor 11, a second gear 13 is coaxially fixed on the rotating disk 8, and the first gear 12 and the second gear 13 are kept in meshing connection. In this way, the motor can drive the rotating disk by gears, improving the precise control of the rotation angle of the rotating disk and the precise control of the displacement of the automotive energy-saving water pump.

[0052] Combined with Figure 2 As shown in the figure, in this embodiment, the baffle 5 has an elliptical cross-section with pointed ends at both ends. In this way, multiple baffles can form a barrel-shaped structure with a circular outer surface, reducing the resistance of the cooling water flowing through and improving the conveying efficiency of the cold water intake.

[0053] In addition, in this embodiment, by designing the baffle as a flipable split structure, the blades fixed on one side of it can be driven to flip, achieving the reciprocating movement of the blades between the outside and inside of the barrel-shaped structure. Of course, in other embodiments, the blades can also be designed to be slidably connected to the baffle and slide along the diameter direction of the impeller disk. In this way, by controlling the blades to extend outside the barrel-shaped structure or retract inside the barrel-shaped structure, the displacement of the automotive energy-saving water pump can be changed. At this time, the baffle can be designed as an integral structure, and a driving rod can be selected to drive the blades to reciprocate relative to the baffle.

[0054] Combined with Figures 1 to 18 As shown in the figure, the specific process of controlling the cooling water conveyed to the radiator by using the automotive energy-saving water pump of this embodiment is as follows:

[0055] First, connect the water inlet 6 of the pump housing 1 to a water tank filled with cooling water, and connect the water outlet 7 of the pump housing 1 to a cooling water circuit; then, connect the pump shaft 2 to the engine through a pulley and a belt, and drive the pump shaft 2 to rotate by the engine; then, according to the working condition of the engine, control the motor 11 to rotate, so as to control the operation of this automotive energy-saving water pump.

[0056] When the vehicle is just started and the engine rotates at a low temperature, the engine drives the pump shaft 2 to rotate through the belt. At this time, the internal state of the pump housing 1 is as Figures 2 - 4 shown, that is, the six baffles 5 are located between the front cover plate and the rear cover plate to maintain a barrel structure, and the six vanes 4 are all located inside the barrel structure without doing work on the cooling water, so that this automotive energy-saving water pump is in a zero-displacement state, thus not delivering cooling water to the radiator, and further enabling the engine to quickly warm up and achieve full combustion of the fuel.

[0057] When the engine temperature gradually rises, start the motor 11 to drive the rotating disk 8 to rotate relative to the impeller disk 3 and the control disk 10 through the first gear 12 and the second gear 13. Driven by the rotating disk 8, the arc groove 81 drives the baffle shaft 51 to move along the impeller groove 31, and further drives the first support shaft 511 and the second support shaft 512 to move along the straight track boss 93 towards the triangular boss 94 until the first support shaft 511 enters the V-shaped track 92, that is, Figure 7 the position shown. At the same time, the six baffles 5 unfold and begin to flip to Figure 5 the state shown.

[0058] The motor 11 continues to drive the rotating disk 8 to rotate relative to the impeller disk 3 and the control disk 10. Driven by the rotating disk 8, the arc groove 81 continues to drive the baffle shaft 51 to move along the impeller groove 31, so that the first support shaft 511 moves to the bottom position of the V-shaped track 92, and the baffle shaft 51 drives the second support shaft 511 to slide over the V-shaped track 92 with the first support shaft 511 as the fulcrum, that is, Figure 10 the position shown. At the same time, the six baffles 5 continue to flip as Figure 8 the state shown.

[0059] The motor 11 continues to drive the rotating disk 8 to rotate relative to the impeller disk 3 and the control disk 10. Driven by the rotating disk 8, the arc groove 81 continues to drive the baffle shaft 51 to move along the impeller groove 31, so that the second support shaft 512 turns to the straight track boss 93 at the rear section of the V-shaped track 92, and the first support shaft 511 begins to withdraw along the V-shaped track 92, that is, Figure 13 the position shown. At the same time, the six baffles 5 continue to flip as Figure 11 the state shown.

[0060] The motor 11 continues to drive the rotating disk 8 to rotate relative to the impeller disk 3 and the control disk 10. The arc-shaped groove 81 drives the baffle shaft 51 to move along the impeller groove 31 under the drive of the rotating disk 8, and the baffle shaft 51 moves to the end of the impeller groove 31, so that the first support shaft 511 completely exits the V-shaped track 92 and contacts the straight track boss 93 at the rear section of the V-shaped track 92 with the second support shaft 512 at the same time, that is Figure 16 the position shown. At the same time, the six baffles 5 are flipped back to the barrel structure again and all six blades 4 are flipped to the outside of the barrel structure, as Figure 11 shown in the state. At this time, the six blades 4 start to do work on the cooling water under the drive of the impeller disk 3, so that the automotive energy-saving water pump is in the full-displacement state, and then starts to deliver the cooling water to the radiator to start cooling the engine, while the motor 11 stops rotating continuously.

[0061] When the radiator is no longer required to cool the engine, that is, when the automotive energy-saving water pump no longer outputs cooling water, the motor 11 is started again to rotate in the reverse direction to drive the rotating disk 8 to rotate in the reverse direction relative to the impeller disk 3 and the control disk 10, thereby driving the baffle 5 to rotate in the reverse direction until the blade 4 is flipped back into the barrel structure again, and then the automotive energy-saving water pump is switched to zero displacement.

Claims

1. An energy-saving water pump for an automobile, characterized in that, It includes a pump casing, a pump shaft, an impeller disc, blades and baffles; the pump casing is provided with a water inlet and a water outlet, and the impeller disc is located inside the pump casing and can rotate; one end of the pump shaft is located inside the pump casing and is fixedly connected coaxially with the impeller disc, and the other end extends outside the pump casing and is connected to the engine; the impeller disc has a front cover plate and a rear cover plate, the baffle is arranged between the front cover plate and the rear cover plate, and together with the front cover plate and the rear cover plate, it encloses a closed barrel-shaped structure and rotates with the impeller disc; the blade is connected to the baffle and can move to the outside or inside of the barrel-shaped structure; The barrel-shaped structure is formed by splicing a plurality of the baffles in sequence along the circumferential direction of the pump shaft, and each baffle can flip between the front cover plate and the rear cover plate, and the blade is fixed on one side of the baffle and can move to the outside or inside of the barrel-shaped structure along with the flipping of the baffle; This automotive energy-saving water pump further includes a rotating disc and a flipping track; a baffle shaft is provided on the baffle; the rotating disc is located inside the pump casing and can rotate relative to the impeller disc, and a plurality of arc-shaped grooves are provided on the rotating disc, and the plurality of arc-shaped grooves are arranged in sequence along the circumferential direction of the rotating disc; one end of the baffle shaft is fixedly connected to the baffle, and the other end passes through the arc-shaped groove and is slidably connected to the flipping track; the flipping track is arranged along the diameter direction of the rotating disc and includes a straight track and a V-shaped track, and the straight track is located at both ends of the V-shaped track; Two support shafts are provided at one end of the baffle shaft that is slidably connected to the flipping track; the two support shafts are in the same plane as the baffle shaft, and the two support shafts are located on both sides of the baffle shaft; when the two support shafts are in contact with the straight track at the same time, the baffle and the front cover plate and the rear cover plate together enclose a closed barrel-shaped structure; An impeller groove is provided on the impeller disc along its diameter direction, the flipping track adopts a boss structure and is composed of a straight track boss and a triangular boss, and the straight track boss is arranged parallel to the impeller groove; along the length direction of the straight track boss, a V-shaped groove is provided on the straight track boss, and the triangular boss is located in the V-shaped groove and is arranged with a gap from the groove surface of the V-shaped groove to accommodate the support shaft to slide over.

2. The automotive energy-saving water pump according to claim 1, characterized in that, This automotive energy-saving water pump further includes a control disc; the control disc is fixedly connected coaxially with the impeller disc, and the flipping track is arranged on the control disc.

3. The automotive energy-saving water pump according to claim 2, characterized in that, This automotive energy-saving water pump further includes a motor; the motor is connected to the rotating disc to drive the rotating disc to rotate reciprocally relative to the impeller disc.

4. The automotive energy-saving water pump according to claim 3, characterized in that, This automotive energy-saving water pump further includes a first gear and a second gear; the first gear is sleeved and fixed on the output shaft of the motor, the second gear is fixedly connected coaxially with the rotating disc, and the first gear is meshed with the second gear.

5. The energy-saving water pump for an automobile according to claim 1, wherein The cross section of the baffle is an oval with pointed ends at both ends.

6. The energy-saving water pump for an automobile according to claim 1, wherein Along the diameter direction of the impeller disc, the blade is slidably connected to the baffle.

Images