阅读说明：本技术 一种可变流量式水泵 (Variable flow formula water pump ) 是由 练正钊 吴凡 于 2019-12-27 设计创作，主要内容包括：本发明提供一种可变流量式水泵,包括：泵壳、电机、进水管道、出水管道和流量调节装置,通过在出水管道设置流量调节装置,使得人们在使用水泵时根据需要进行选择流量大小；当使用时,水经所述进水管道流入泵壳内,再经叶轮将进水管道的水泵至出水管道,当水到达出水管道时,就能通过所述流量调节装置对出水量进行大小的调节；同时,还可以通过利用控制芯片对所述叶轮的转速进行调节,实现当利用流量调节装置对出水量调小时叶轮转速也随之调整小；当利用流量调节装置对出水量调大时叶轮转速随之调大,实现叶轮随着出水量进行匹配的运转,从而达到对用电能耗进行节省的目的。(The invention provides a variable flow water pump, comprising: the water pump comprises a pump shell, a motor, a water inlet pipeline, a water outlet pipeline and a flow regulating device, wherein the flow regulating device is arranged on the water outlet pipeline, so that people can select the flow according to needs when using the water pump; when the water pump is used, water flows into the pump shell through the water inlet pipeline, the water in the water inlet pipeline is pumped to the water outlet pipeline through the impeller, and when the water reaches the water outlet pipeline, the water outlet quantity can be adjusted through the flow adjusting device; meanwhile, the rotating speed of the impeller can be adjusted by utilizing the control chip, so that the rotating speed of the impeller is adjusted to be small when the water yield is adjusted to be small by utilizing the flow adjusting device; when the flow regulating device is used for regulating the water yield to be high, the rotating speed of the impeller is regulated to be high, the impeller runs in a matched mode along with the water yield, and therefore the purpose of saving power consumption is achieved.)

1. A variable flow water pump, comprising: a pump shell (1), a motor (8), a water inlet pipeline (2), a water outlet pipeline (3), an impeller (4) and a flow regulating device (10),

the pump shell (1) is provided with a water inlet pipeline (2) and a water outlet pipeline (3) at intervals, the impeller (4) is arranged in the pump shell (1), an impeller shaft (6) of the impeller (4) is arranged at one end far away from the water inlet pipeline (2),

the impeller shaft (6) extends out of the outer side of the pump shell (1) and is connected with a first rotating shaft (7), and the other end of the first rotating shaft (7) is connected with the rotating end of the motor (8);

a flow regulating device (10) is arranged in the water outlet pipeline (3), one end of the flow regulating device (10) is connected with a driving device, and the other end of the flow regulating device is used for opening or closing the outlet end of the water outlet pipeline (3);

the motor (8) is connected with the control chip.

2. A variable displacement water pump according to claim 1, wherein a coupling (9) is provided between the first shaft (7) and the rotating end of the motor (8).

3. A variable displacement water pump according to claim 1, wherein the pump housing (1) is provided with a bearing (5), the central fixing hole of the bearing (5) is fixedly connected with the impeller shaft (6), and the bearing (5) is rotatably connected with the impeller shaft (6) on the pump housing (1).

4. A variable-capacity water pump according to claim 1, wherein the flow-rate adjusting means (10) comprises: a first gear (11), a second gear (12), a fixed ring (13), an adjusting plate and a hinge rod (14),

the fixing ring (13) is connected to the inner wall of the water outlet pipeline (3) close to the opening through a first connecting platform (28) of an annular structure, a plurality of adjusting plates are equally divided on the fixing ring (13) at intervals, the adjusting plates are provided with a first curved surface (15), a second curved surface (16) and a third curved surface (17),

the first curved surface (15) and the second curved surface (16) are hinged to one surface, close to the second gear (12), of the fixing ring (13) through a pin, and the first curved surface (15) and the third curved surface (17) are hinged to one end of the hinge rod (14) through a pin;

the other end of the hinge rod (14) is hinged to one surface, close to the fixing ring (13), of the second gear (12), and the hinge rod (14) and the adjusting plate are arranged in a one-to-one correspondence manner; the two adjacent second curved surfaces (16) and the third curved surface (17) are mutually contacted or separated;

the diameter of the adjusting plate in a closed state is larger than that of a central through hole of the fixing ring (13); the second gear (12) is set to be in an annular structure, and the hinge rod (14) is set to be a connecting rod in a bending structure; the first curved surface (15) and the third curved surface (17) are of arc structures protruding outwards, and the second curved surface (16) is of arc structures recessed inwards;

the first gear (11) is arranged on the outer wall of the second gear (12), the first gear (11) and the second gear (12) are meshed with each other, an annular groove (19) is further arranged on the inner wall of the water outlet pipeline (3), the second gear (12) is embedded in the annular groove (19) and rotates back and forth in the annular groove (19),

first limiting blocks (18) are symmetrically arranged on the surfaces of two sides of the second gear (12) close to the edges, first limiting grooves (20) are symmetrically arranged on the inner walls of two sides of the annular groove (19), and the first limiting grooves (20) are arranged in an annular structure and used for the back-and-forth movement of the second gear (12) in the annular groove (19) without falling off;

the gear transmission mechanism is characterized in that a through hole is formed in the annular groove (19), the through hole is of a strip-shaped structure, the first gear (11) enters the annular groove (19) and is meshed with the second gear (12), a second rotating shaft (27) is arranged on the left side of the first gear (11), and the second rotating shaft (27) is connected with a driving device.

5. A variable flow pump according to claim 4, wherein a housing (32) is provided on the outer wall of the outlet pipe (3), the first gear (11) is provided in the housing (32), the left side of the housing (32) is connected to the pump housing (1), the driving device penetrates through the housing (32) and the pump housing (1) and is connected to a third rotating shaft (31) in the pump housing (1), the third rotating shaft (31) is fixedly connected to the end of the impeller (4) away from the first rotating shaft (7), and the third rotating shaft (31) and the impeller shaft (6) are coaxially provided.

6. The variable flowrate type water pump as claimed in claim 5, wherein said drive means includes: a third gear (21), a fourth gear (23) and a fourth rotating shaft (39), wherein the third gear (21) is fixed on the circumferential outer wall of one end of the third rotating shaft (31) far away from the impeller (4), the circumferential outer wall of the third gear (21) is meshed with the fourth gear (23), the axis of the fourth gear (23) is connected with the fourth rotating shaft (39), the other end of the fourth rotating shaft (39) is connected with a steering device, the steering device is connected with one end of the second rotating shaft (27) far away from the first gear (11), the third gear (21) and the fourth gear (23) are bevel gears,

one end of the fourth rotating shaft (39), which is far away from the steering device, is rotatably arranged in the second limiting groove (22), and the second limiting groove (22) is arranged on the inner wall of the water outlet pipeline (3); the fourth rotating shaft (39) is close to the circumferential outer wall of one end of the steering device and is rotatably arranged on the first supporting plate (24), the first supporting plate (24) is fixed on the inner wall of the pump shell (1), and a through hole for rotating the fourth rotating shaft (39) is formed in the first supporting plate (24).

7. The variable capacity water pump as claimed in claim 6, wherein the steering means comprises: the third supporting plate (24) is arranged at one end of the fourth rotating shaft (39), the fifth gear (25) is arranged at one end of the fourth rotating shaft (39), which is close to the first supporting plate (24), the sixth gear (26) is arranged on the circumferential outer wall of the second rotating shaft (27), the fifth gear (25) and the sixth gear (26) are arranged in a meshed mode, and the fifth gear (25) and the sixth gear (26) are both designed to be bevel gears.

8. The variable capacity water pump as claimed in claim 6, wherein the steering means comprises: the swing rod (41), the limiting rod group (42) and the connecting discs (46), two ends of the limiting rod group (42) are respectively connected with the connecting discs (46), the limiting rod group (42) is symmetrically arranged between the two connecting discs (46),

one surface of the right connecting disc (46) far away from the limiting rod group (42) is connected with a second rotating shaft (27); one surface, far away from the limiting rod group (42), of the connecting disc (46) on the left side is connected with a sixth rotating shaft (40), and the sixth rotating shaft (40) is rotatably arranged on the inner wall of the pump shell (1); the limiting rod groups (42) comprise two connecting rods which are arranged at intervals, and four connecting rods in the two limiting rod groups (42) are respectively arranged symmetrically;

a swing rod (41) is arranged between the limiting rod groups (42), two ends of the swing rod (41) are respectively connected with a first rotating block and a second rotating block,

one end of the first rotating block, which is far away from the swinging rod (41), is rotatably arranged on the inner wall of the pump shell (1), and the first rotating block comprises: the limiting rod group comprises a first connecting block (43), a second connecting block (45) and a seventh rotating shaft (44), wherein the first connecting block (43) and the second connecting block (45) mutually form a V-shaped structure, and the opening end of the V-shaped structure faces to the limiting rod group (42); one surface of the first connecting block (43) far away from the limiting rod group (42) is fixedly connected with a seventh rotating shaft (44), and one end of the seventh rotating shaft (44) far away from the first connecting block (43) is rotatably arranged on the inner wall of the pump shell (1); one surface of the second connecting block (45) close to the limiting rod group (42) is fixedly connected with a swinging rod (41);

one end of the second rotating block, which is far away from the swinging rod (41), is fixedly connected with a fourth rotating shaft (39); the second rotating block comprises a third connecting block (50), a fourth connecting block (52) and an eighth rotating shaft (51), the third connecting block (50) and the fourth connecting block (52) mutually form a V-shaped structure, the opening end of the V-shaped structure faces to the connecting rod group (42), and one surface, close to the connecting rod group (42), of the third connecting block (50) is connected with a swinging rod (41); and an eighth rotating shaft (51) is arranged on one surface, far away from the connecting rod group (42), of the fourth connecting block (52), and the eighth rotating shaft (51) is fixedly connected with the fourth rotating shaft (39).

9. The variable flow water pump according to claim 6, wherein a multi-hole flow adjusting device is arranged between the fourth rotating shaft (39) and the second gear (12), one end of the second gear (12) close to the multi-hole flow adjusting device is provided with a guide ring (30) with an annular structure, a plurality of guide holes (29) are arranged on the guide ring (30) at intervals, and the multi-hole flow adjusting device is used for opening or closing the guide holes (29); the porous flow adjusting devices are at least arranged in two groups and are symmetrically arranged between the fourth rotating shaft (39) and the second gear (12).

10. The variable flowrate type water pump as claimed in claim 9, wherein the porous flow rate adjusting means includes: the water outlet pipeline comprises a first connecting plate (33), a first connecting rod (35) and a sealing block (36), wherein the sealing block (36) is of a cylindrical structure, sliding blocks (38) are arranged on the circumferential outer wall of the sealing block (36) at intervals, sliding grooves (37) which are used for the sliding blocks (38) to be mutually matched and move back and forth are formed in the inner wall of the water outlet pipeline (3),

a first connecting rod (35) is arranged at one end, away from the diversion ring (30), of the sealing block (36), a through hole is formed in one end, away from the sealing block (36), of the first connecting rod (35), the through hole is rotatably connected to a fifth rotating shaft (34), two ends of the fifth rotating shaft (34) are fixed between the two first connecting plates (33), the other end of each first connecting plate (33) is fixed to a fourth rotating shaft (39), and each first connecting plate (33) is a long strip plate;

the guide holes (29) and the sealing blocks (36) are arranged in a one-to-one correspondence mode, the guide holes (29) and the sealing blocks (36) are arranged coaxially, and the diameter of each sealing block (36) is larger than that of each guide hole (29).

Technical Field

The invention relates to the technical field of water pumps, in particular to a variable flow type water pump.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. However, the existing water pump cannot realize flow rate change, and thus cannot perform flow rate adjustment according to use requirements.

Disclosure of Invention

The invention provides a variable flow water pump, which is used for enabling the water pump to achieve the purpose of flow adjustment.

The invention provides a variable flow water pump, comprising: the water inlet pipeline and the water outlet pipeline are arranged on the pump shell at intervals, the impeller is arranged in the pump shell, an impeller shaft of the impeller is arranged at one end far away from the water inlet pipeline, the impeller shaft extends out of the pump shell and is connected with a first rotating shaft, and the other end of the first rotating shaft is connected with a rotating end of the motor; a flow regulating device is arranged in the water outlet pipeline, one end of the flow regulating device is connected with the driving device, and the other end of the flow regulating device is used for opening or closing the outlet end of the water outlet pipeline; the motor is connected with the control chip.

Preferably, a coupling is arranged between the first rotating shaft and the rotating end of the motor.

Preferably, a bearing is arranged on the pump shell, a central fixing hole of the bearing is fixedly connected with the impeller shaft, and the bearing is used for rotatably connecting the impeller shaft on the pump shell.

Preferably, the flow rate adjusting device includes: the water outlet pipeline comprises a first gear, a second gear, a fixing ring, adjusting plates and a hinge rod, wherein the fixing ring is connected to the inner wall, close to an opening, of the water outlet pipeline through a first connecting table of an annular structure, the fixing ring is provided with a plurality of adjusting plates at intervals, each adjusting plate is provided with a first curved surface, a second curved surface and a third curved surface, the first curved surface and the second curved surface are hinged to one surface, close to the second gear, of the fixing ring through pins, and the first curved surface and the third curved surface are hinged to one end of the hinge rod through the pins; the other end of the hinge rod is hinged to one surface, close to the fixing ring, of the second gear, and the hinge rod and the adjusting plate are arranged in a one-to-one correspondence mode; the two adjacent second curved surfaces and the third curved surface are mutually contacted or separated; the diameter of the adjusting plate in a closed state is larger than that of the central through hole of the fixing ring; the second gear is of an annular structure, and the hinge rod is of a connecting rod of a bent structure; the first curved surface and the third curved surface are arc structures protruding outwards, and the second curved surface is an arc structure recessed inwards; the first gear is arranged on the outer wall of the second gear, the first gear and the second gear are meshed with each other, an annular groove is further formed in the inner wall of the water outlet pipeline, the second gear is embedded in the annular groove and rotates back and forth in the annular groove, first limiting blocks are symmetrically arranged on the positions, close to the edges, of the two side surfaces of the second gear, first limiting grooves are symmetrically formed in the inner walls of the two sides of the annular groove, the first limiting grooves are of an annular structure and used for the back and forth movement of the second gear, which does not fall off in the annular groove; the gear transmission mechanism is characterized in that a through hole is formed in the annular groove, the through hole is of a strip-shaped structure, the first gear enters the annular groove and is meshed with the second gear, a second rotating shaft is arranged on the left side of the first gear, and the second rotating shaft is connected with a driving device.

Preferably, a casing is arranged on the outer wall of the water outlet pipeline, the first gear is arranged in the casing, the left side of the casing is connected with the pump casing, the driving device penetrates through the casing and the pump casing and is connected with a third rotating shaft in the pump casing, the third rotating shaft is fixedly connected with one end, far away from the first rotating shaft, of the impeller, and the third rotating shaft and the impeller shaft are coaxially arranged.

Preferably, the driving means includes: the impeller comprises a third gear, a fourth gear and a fourth rotating shaft, wherein the third gear is fixed at one end, away from the impeller, of the third rotating shaft, the circumferential outer wall of the third gear is meshed with the fourth gear, the axis of the fourth gear is connected with the fourth rotating shaft, the other end of the fourth rotating shaft is connected with a steering device, the steering device is connected with the circumferential outer wall of one end, away from the first gear, of the second rotating shaft, the third gear and the fourth gear are set to be bevel gears, one end, away from the steering device, of the fourth rotating shaft is rotatably arranged in a second limiting groove, and the second limiting groove is arranged on the inner wall of the water outlet pipeline; the fourth rotating shaft is close to one end of the steering device, the circumferential outer wall of the fourth rotating shaft is rotatably arranged on a first supporting plate, the first supporting plate is fixed on the inner wall of the pump shell, and a through hole for rotating the fourth rotating shaft is formed in the first supporting plate.

Preferably, the steering device includes: the fifth gear is arranged at one end, close to the first supporting plate, of the fourth rotating shaft, the sixth gear is arranged on the circumferential outer wall of the second rotating shaft, the fifth gear and the sixth gear are arranged in a meshed mode, and the fifth gear and the sixth gear are both bevel gears.

Preferably, the steering device includes: the two ends of the limiting rod group are respectively connected with the connecting discs, the limiting rod groups are symmetrically arranged between the two connecting discs, and one surface, far away from the limiting rod group, of the connecting disc on the right side is connected with a second rotating shaft; one surface of the connecting disc on the left side, which is far away from the limiting rod group, is connected with a sixth rotating shaft, and the sixth rotating shaft is rotatably arranged on the inner wall of the pump shell; the limiting rod groups comprise two connecting rods arranged at intervals, and four connecting rods in the two limiting rod groups are respectively and symmetrically arranged; be provided with the swinging arms between the stop lever group, the both ends of swinging arms are connected with first turning block and second turning block respectively, the one end rotation that the swinging arms was kept away from to first turning block is established on the inner wall of pump case, first turning block includes: the first connecting block and the second connecting block mutually form a V-shaped structure, and the opening end of the V-shaped structure faces the limiting rod group; one surface of the first connecting block, which is far away from the limiting rod group, is fixedly connected with a seventh rotating shaft, and one end of the seventh rotating shaft, which is far away from the first connecting block, is rotatably arranged on the inner wall of the pump shell; one surface of the second connecting block, which is close to the limiting rod group, is fixedly connected with a swinging rod; one end of the second rotating block, which is far away from the swinging rod, is fixedly connected with a fourth rotating shaft; the second rotating block comprises a third connecting block, a fourth connecting block and an eighth rotating shaft, the third connecting block and the fourth connecting block mutually form a V-shaped structure, the opening end of the V-shaped structure faces the connecting rod group, and one surface, close to the connecting rod group, of the third connecting block is connected with a swinging rod; and an eighth rotating shaft is arranged on one surface, far away from the connecting rod group, of the fourth connecting block and is fixedly connected with the fourth rotating shaft.

Preferably, a porous flow adjusting device is arranged between the fourth rotating shaft and the second gear, a guide ring of an annular structure is arranged at one end of the second gear, which is close to the porous flow adjusting device, a plurality of guide holes are arranged on the guide ring at intervals, and the porous flow adjusting device is used for opening or closing the guide holes; and at least two groups of porous flow adjusting devices are arranged and are symmetrically arranged between the fourth rotating shaft and the second gear.

Preferably, the porous flow rate regulating device comprises: the water outlet pipe comprises first connecting plates, first connecting rods and a sealing block, wherein the sealing block is of a cylindrical structure, sliding blocks are arranged on the circumferential outer wall of the sealing block at intervals, sliding grooves for the sliding blocks to mutually match and move back and forth are formed in the inner wall of the water outlet pipe, the first connecting rods are arranged at the ends, away from the flow guide ring, of the sealing block, through holes are formed in the ends, away from the sealing block, of the first connecting rods, the through holes are rotatably connected to a fifth rotating shaft, the two ends of the fifth rotating shaft are fixed between the two first connecting plates, the other ends of the first connecting plates are fixed on a fourth rotating shaft, and the first connecting plates are long strip plates; the guide holes and the sealing blocks are arranged in a one-to-one correspondence mode, the guide holes and the sealing blocks are coaxially arranged, and the diameter of each sealing block is larger than that of each guide hole.

The invention has the beneficial effects that:

the flow regulating device is arranged on the water outlet pipeline, so that people can select the flow according to the needs when using the water pump; when the water pump is used, water flows into the pump shell through the water inlet pipeline, the water in the water inlet pipeline is pumped to the water outlet pipeline through the impeller, and when the water reaches the water outlet pipeline, the water outlet quantity can be adjusted through the flow adjusting device; meanwhile, the rotating speed of the impeller can be adjusted by utilizing the control chip, so that the rotating speed of the impeller is adjusted to be small when the water yield is adjusted to be small by utilizing the flow adjusting device; when the flow regulating device is used for regulating the water yield to be high, the rotating speed of the impeller is regulated to be high, the impeller runs in a matched mode along with the water yield, and therefore the purpose of saving power consumption is achieved.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

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

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

FIG. 3 is a schematic view of the flow regulating device of the present invention;

FIG. 4 is a schematic view of the connection structure of the flow regulating device and the driving device of the present invention;

FIG. 5 is a schematic view of a porous flow regulating device of the present invention;

FIG. 6 is a schematic view of a connection structure of a first connecting rod and a first connecting plate according to the present invention;

FIG. 7 is a schematic view of another embodiment of the steering apparatus of the present invention;

FIG. 8 is a schematic view of the electric pantograph linkage and first gear connection of the present invention;

FIG. 9 is a schematic view of the connection between the electric telescopic link and the third shaft according to the present invention;

wherein, 1-a pump shell, 2-a water inlet pipeline, 3-a water outlet pipeline, 4-an impeller, 5-a bearing, 6-an impeller shaft, 7-a first rotating shaft, 8-a motor, 9-a coupler, 10-a flow adjusting device, 11-a first gear, 12-a second gear, 13-a fixed ring, 14-a hinged rod, 15-a first curved surface, 16-a second curved surface, 17-a third curved surface, 18-a first limit block, 19-an annular groove, 20-a first limit groove, 21-a third gear, 22-a second limit groove, 23-a fourth gear, 24-a first support plate, 25-a fifth gear, 26-a sixth gear, 27-a second rotating shaft, 28-a first connecting platform and 29-a diversion hole, 30-a guide ring, 31-a third rotating shaft, 32-a shell, 33-a first connecting plate, 34-a fifth rotating shaft, 35-a first connecting rod, 36-a sealing block, 37-a sliding groove, 38-a sliding block, 39-a fourth rotating shaft, 40-a sixth rotating shaft, 41-a swinging rod, 42-a limiting rod group, 43-a first connecting block, 44-a seventh rotating shaft, 45-a second connecting block, 46-a connecting plate, 47-a limiting lug, 48-a limiting hole, 49-an electric telescopic connecting rod, 50-a third connecting block, 51-an eighth rotating shaft and 52-a fourth connecting block.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

The embodiment of the invention provides a variable flow type water pump, which comprises: the device comprises a pump shell 1, a motor 8, a water inlet pipeline 2, a water outlet pipeline 3, an impeller 4 and a flow regulating device 10, wherein the water inlet pipeline 2 and the water outlet pipeline 3 are arranged on the pump shell 1 at intervals, the impeller 4 is arranged in the pump shell 1, an impeller shaft 6 of the impeller 4 is arranged at one end far away from the water inlet pipeline 2, the impeller shaft 6 extends out of the outer side of the pump shell 1 and is connected with a first rotating shaft 7, and the other end of the first rotating shaft 7 is connected with a rotating end of the motor 8; a flow regulating device 10 is arranged in the water outlet pipeline 3, one end of the flow regulating device 10 is connected with a driving device, and the other end of the flow regulating device 10 is used for opening or closing the outlet end of the water outlet pipeline 3; the motor 8 is connected with the control chip.

The flow regulating device 10 is arranged on the water outlet pipeline 3, so that people can select the flow according to the needs when using the water pump; when the water pump is used, water flows into the pump shell 1 through the water inlet pipeline 2, the water in the water inlet pipeline 2 is pumped to the water outlet pipeline 3 through the impeller 4, and when the water reaches the water outlet pipeline 3, the water outlet quantity can be adjusted through the flow adjusting device 10; meanwhile, the rotating speed of the impeller 4 can be adjusted by utilizing the control chip, so that the rotating speed of the impeller 4 is adjusted to be small when the water yield is adjusted to be small by utilizing the flow adjusting device 10; when the flow regulating device 10 is used for regulating the water yield, the rotating speed of the impeller 4 is regulated to be higher, the impeller 4 is operated along with the water yield in a matching mode, and therefore the purpose of saving power consumption is achieved.

A coupling 9 is arranged between the first rotating shaft 7 and the rotating end of the motor 8. The pump casing 1 is provided with a bearing 5, a central fixing hole of the bearing 5 is fixedly connected with the impeller shaft 6, and the bearing 5 is used for rotatably connecting the impeller shaft 6 on the pump casing 1.

The coupling 9 is used for connecting the rotating end of the motor 8 with the first rotating shaft 7, so that the purpose that the motor 8 drives the impeller shaft 6 is achieved. The bearing 5 is beneficial to the rotation of the impeller shaft 6 and is fixedly connected with the first rotating shaft 7, so that the purpose that the first rotating shaft 7 and the impeller shaft 6 are driven to rotate after the motor 8 rotates, and finally the impeller 4 is driven to rotate is achieved.

As shown in fig. 3 and 4, the flow rate regulating device 10 includes: the water outlet pipe comprises a first gear 11, a second gear 12, a fixing ring 13, adjusting plates and a hinge rod 14, wherein the fixing ring 13 is connected to the inner wall, close to an opening, of the water outlet pipe 3 through a first connecting platform 28 of an annular structure, the fixing ring 13 is provided with a plurality of adjusting plates at equal intervals, each adjusting plate is provided with a first curved surface 15, a second curved surface 16 and a third curved surface 17, the first curved surface 15 and the second curved surface 16 are hinged to one surface, close to the second gear 12, of the fixing ring 13 through pins, and the first curved surface 15 and the third curved surface 17 are hinged to one end of the hinge rod 14 through pins; the other end of the hinge rod 14 is hinged to one surface of the second gear 12 close to the fixing ring 13, and the hinge rod 14 and the adjusting plate are arranged in a one-to-one correspondence manner; the two adjacent second curved surfaces 16 and the third curved surface 17 are contacted with each other or separated from each other; the diameter of the adjusting plate in a closed state is larger than that of the central through hole of the fixing ring 13; the second gear 12 is arranged in an annular structure, and the hinge rod 14 is arranged in a connecting rod in a bending structure; the first curved surface 15 and the third curved surface 17 are arc structures protruding outwards, and the second curved surface 16 is an arc structure recessed inwards; the first gear 11 is arranged on the outer wall of the second gear 12, the first gear 11 and the second gear 12 are meshed with each other, an annular groove 19 is further arranged on the inner wall of the water outlet pipeline 3, the second gear 12 is embedded in the annular groove 19 and rotates back and forth in the annular groove 19, first limiting blocks 18 are symmetrically arranged on the two side surfaces of the second gear 12 close to the edge, first limiting grooves 20 are symmetrically arranged on the inner walls of the two sides of the annular groove 19, and the first limiting grooves 20 are of an annular structure and used for back and forth movement of the second gear 12 in the annular groove 19 without falling off; a through hole is formed in the annular groove 19, the through hole is of a strip-shaped structure and is used for enabling the first gear 11 to enter the annular groove 19 and to be meshed with the second gear 12, a second rotating shaft 27 is arranged on the left side of the first gear 11, and the second rotating shaft 27 is connected with a driving device.

The first gear 11 is connected with a driving device, when the driving device drives the first gear 11 to rotate, the driving device drives the second gear 12 to rotate, and the second gear 12 rotates; because the fixing ring 13 is fixed on the inner wall of the water outlet pipe 3 by using the first connecting platform 28 with an annular structure, the hinge rod 14 and the adjusting plate are hinged with each other and are respectively hinged between the second gear 12 and the fixing ring 13, after the second gear 12 rotates, the hinge rod 14 and each adjusting plate are linked with the fixing ring 13 and the second gear 12, the adjusting plate can open or close the ring opening in the center of the fixing ring 13 along with the reciprocating engagement of the first gear 11 and the second gear 12, and the flow adjusting work in the first stage is realized; the third curved surface 17 with the second curved surface 16 of two adjacent regulating plates is under the closed condition, is close to each other, the regulating plate is circular structure after totally closed, and the diameter of circular structure is greater than the ring mouth diameter at solid fixed ring 13's loop configuration center. The first gear 11 and the second gear 12 are mutually and reciprocally meshed to enable an adjusting plate to rotate and open, and the adjusting plate can also change the size of a ring opening of the fixing ring 13 according to the meshing of the first gear 11 and the second gear 12, so that the purpose of adjusting various flow rates is achieved; that is, the closer the end where the adjusting plate and the hinge rod 14 are hinged to the inner ring of the second gear 12, the larger the opening of the fixing ring 13; otherwise, the smaller.

According to fig. 4 and 5, a housing 32 is disposed on an outer wall of the water outlet pipe 3, the first gear 11 is disposed in the housing 32, a left side of the housing 32 is connected to the pump housing 1, the driving device penetrates through the housing 32 and the pump housing 1 and is connected to a third rotating shaft 31 in the pump housing 1, the third rotating shaft 31 is fixedly connected to an end of the impeller 4 away from the first rotating shaft 7, and the third rotating shaft 31 and the impeller shaft 6 are coaxially disposed. The driving device includes: the third gear 21 is fixed on the circumferential outer wall of one end, away from the impeller 4, of the third rotating shaft 31, the circumferential outer wall of the third gear 21 is meshed with the fourth gear 23, the axis of the fourth gear 23 is connected with the fourth rotating shaft 39, the other end of the fourth rotating shaft 39 is connected with a steering device, the steering device is connected with one end, away from the first gear 11, of the second rotating shaft 27, the third gear 21 and the fourth gear 23 are provided with bevel gears, one end, away from the steering device, of the fourth rotating shaft 39 is rotatably arranged in the second limiting groove 22, and the second limiting groove 22 is arranged on the inner wall of the water outlet pipeline 3; the fourth rotating shaft 39 is arranged on the first supporting plate 24 in a rotating mode near the circumferential outer wall of one end of the steering device, the first supporting plate 24 is fixed on the inner wall of the pump shell 1, and a through hole used for rotating the fourth rotating shaft 39 is formed in the first supporting plate 24.

The driving device is used for driving the first gear 11 to rotate, and thus the first gear 11 drives the second gear 12 to rotate, so that the flow regulating device 10 can further realize the flow regulating work in the first stage. During operation, the impeller shaft 6 rotates to drive the third rotating shaft 31 to rotate, after the third rotating shaft 31 rotates, the third gear 21 arranged on the circumferential outer wall of the third rotating shaft 31 rotates, after the third gear 21 rotates, the fourth gear 23 meshed with the third gear 21 is driven, the fourth gear 23 rotates to drive the fourth rotating shaft 39 to rotate, after the fourth rotating shaft 39 rotates, the driving device is driven to operate, and after the driving device operates, the flow regulation operation in the first stage can be started.

According to fig. 4, 5 and 7, the steering device comprises: the fifth gear 25 is arranged at one end of the fourth rotating shaft 39 close to the first supporting plate 24, the sixth gear 26 is arranged on the circumferential outer wall of the second rotating shaft 27, the fifth gear 25 and the sixth gear 26 are meshed with each other, and the fifth gear 25 and the sixth gear 26 are both bevel gears.

The turning device is used for converting the rotation of a fourth rotating shaft 39 rotating in the vertical direction into a second rotating shaft 27 rotating in the horizontal direction, the driving device works, the fourth rotating shaft 39 rotates to drive the fifth gear 25 to rotate, the fifth gear 25 rotates to drive a sixth gear 26 arranged in a meshed mode to rotate, the sixth gear 26 rotates to drive the second rotating shaft 27 to rotate, the second rotating shaft 27 rotates to drive the first gear 11 to rotate, and the first gear 11 rotates to start the flow adjusting device 10, so that the flow adjusting work in the first stage is started.

According to fig. 4, 5 and 7, the steering device comprises: the device comprises a swing rod 41, a limiting rod group 42 and connecting discs 46, wherein two ends of the limiting rod group 42 are respectively connected with the connecting discs 46, the limiting rod group 42 is symmetrically arranged between the two connecting discs 46, and one surface, far away from the limiting rod group 42, of the connecting disc 46 on the right side is connected with a second rotating shaft 27; one surface of the connecting disc 46 on the left side, which is far away from the limit rod group 42, is connected with a sixth rotating shaft 40, and the sixth rotating shaft 40 is rotatably arranged on the inner wall of the pump shell 1; the limit rod group 42 comprises two connecting rods which are arranged at intervals, and four connecting rods in the two limit rod groups 42 are respectively arranged symmetrically; be provided with swinging arms 41 between the gag lever post group 42, swinging arms 41's both ends are connected with first turning block and second turning block respectively, the one end rotation that swinging arms 41 was kept away from to first turning block is established on the inner wall of pump case 1, first turning block includes: the first connecting block 43, the second connecting block 45 and the seventh rotating shaft 44, the first connecting block 43 and the second connecting block 45 mutually form a V-shaped structure, and the opening end of the V-shaped structure faces the limiting rod group 42; one surface of the first connecting block 43, which is far away from the limit rod group 42, is fixedly connected with a seventh rotating shaft 44, and one end of the seventh rotating shaft 44, which is far away from the first connecting block 43, is rotatably arranged on the inner wall of the pump shell 1; one surface of the second connecting block 45 close to the limit rod group 42 is fixedly connected with the swinging rod 41; one end of the second rotating block, which is far away from the swinging rod 41, is fixedly connected with a fourth rotating shaft 39; the second rotating block comprises a third connecting block 50, a fourth connecting block 52 and an eighth rotating shaft 51, the third connecting block 50 and the fourth connecting block 52 mutually form a V-shaped structure, the opening end of the V-shaped structure faces the connecting rod group 42, and one surface, close to the connecting rod group 42, of the third connecting block 50 is connected with the swinging rod 41; an eighth rotating shaft 51 is arranged on one surface of the fourth connecting block 52 away from the connecting rod group 42, and the eighth rotating shaft 51 is fixedly connected with the fourth rotating shaft 39.

In this embodiment, the seventh rotating shaft 44 provided at both ends of the swing lever 41 is rotatably connected to the inner wall of the pump housing 1, and the eighth rotating shaft 51 is fixedly connected to the fourth rotating shaft 39; the V-shaped structure open ends of the first rotating block and the second rotating block are gaps facing two groups of limiting rod groups 42, the length of the swinging rod extends out of the gap between the limiting rod groups 42 and is respectively connected with the first rotating block and the second rotating block; the swinging rod 41 moves back and forth in the gap of the limiting rod group 42; meanwhile, the swing rod 41 is positioned between the limit rod groups 42 in an inclined direction through the first rotating block and the second rotating block; that is, the axial center line of the swing lever 41 and the axial center line of the stopper lever group 42 intersect as a result in a plan view; in actual operation, the swing rod 41 swings back and forth in the gap formed by the two limit rod sets 42;

during operation, when the fourth rotating shaft 39 rotates, the eighth rotating shaft 51 connected with the fourth rotating shaft 39 rotates, and drives the third connecting block and the fourth connecting block to rotate together, so as to further drive the swing rod to move, the swing rod moves up, down, left and right in the gap between the limiting rod group 42, so as to drive the limiting rod group and the connecting disc 46 to reciprocate along the axial center lines of the sixth rotating shaft 40 and the second rotating shaft 27, so that the first gear 11 can reciprocate, when the first gear reciprocates, the second gear 12 can be driven to reciprocate, so that the second gear can be opened or closed through the adjusting plate connected with the hinge rod 14, and the start or close of the flow adjusting operation in the first stage can be realized; in addition, the steering device in this embodiment can also realize that the outlet pipe 3 can intermittently perform the first-stage flow regulation, so as to achieve the purpose of intermittent water supply.

As shown in fig. 4-6, a multi-hole flow rate adjusting device is disposed between the fourth rotating shaft 39 and the second gear 12, one end of the second gear 12 close to the multi-hole flow rate adjusting device is provided with a flow guide ring 30 having an annular structure, a plurality of flow guide holes 29 are disposed on the flow guide ring 30 at intervals, and the multi-hole flow rate adjusting device is used for opening or closing the flow guide holes 29; the porous flow regulating devices are at least arranged in two groups and are symmetrically arranged between the fourth rotating shaft 39 and the second gear 12.

The porous flow regulating device 10 is used for flow regulation in the second stage, and when the flow regulation in the first stage is too large and too fast, the porous flow regulating device 10 can be started, so that the water flow is further reduced and slowed. During operation, the multi-hole flow adjusting device 10 can be driven by the rotation of the fourth rotating shaft 39, and further achieve the purpose of opening or closing the diversion holes 29 formed in the diversion ring 30, so that the purpose of starting or closing the flow adjustment at the second stage can be achieved.

According to fig. 4-6, the porous flow regulating device comprises: the water outlet pipe comprises first connecting plates 33, first connecting rods 35 and a sealing block 36, wherein the sealing block 36 is of a cylindrical structure, sliding blocks 38 are arranged on the circumferential outer wall of the sealing block 36 at intervals, sliding grooves 37 for the sliding blocks 38 to mutually match and move back and forth are formed in the inner wall of the water outlet pipe 3, the first connecting rods 35 are arranged at one ends, far away from the flow guide ring 30, of the sealing block 36, through holes are formed in one ends, far away from the sealing block 36, of the first connecting rods 35, the through holes are rotatably connected to a fifth rotating shaft 34, two ends of the fifth rotating shaft 34 are fixed between the two first connecting plates 33, the other ends of the first connecting plates 33 are fixed on a fourth rotating shaft 39, and the first connecting plates 33 are long strip plates; the guide holes 29 and the sealing blocks 36 are arranged in a one-to-one correspondence manner, the guide holes 29 and the sealing blocks 36 are arranged coaxially, and the diameter of each sealing block 36 is larger than that of each guide hole 29.

When the sealing device is used, after the fourth rotating shaft 39 rotates, the first connecting plates 33 arranged on the circumferential outer wall of the fourth rotating shaft 39 rotate along with the rotation of the fourth rotating shaft 39, after the first connecting plates 33 rotate, the fifth rotating shaft 34 connected between the two first connecting plates 33 is driven to rotate together, and as the first connecting rods 35 are rotatably connected to the fifth rotating shaft 34, one ends of the first connecting rods 35, which are connected with the sealing blocks 36, are also hinged to the sealing blocks 36; meanwhile, the peripheral outer wall of the sealing block 36 is arranged in the sliding groove 37 of the inner wall of the water outlet pipeline 3 in a sliding manner through the sliding block 38, so that the moving range of the sealing block 36 only can reciprocate along the sliding groove 37; therefore, the closing block 36 is linked together by the first connecting plate 33, the first connecting rod 35 and the fourth rotating shaft 39, and then reciprocates in the sliding groove 37 along with the sliding block 38; the closing block 36 is arranged coaxially with the diversion hole 29, so that the closing block 36 reciprocates to contact with and separate from the surface of the diversion ring 30, thereby achieving the purpose of opening or closing the diversion hole 29; thereby realizing the purpose of adjusting the water flow more slowly and more slightly;

meanwhile, when the adjustment of the maximum water flow is required, the first-stage water flow adjustment and the second-stage water flow adjustment can be started simultaneously, that is, the porous flow adjusting device 10 and the flow adjusting device 10 are started simultaneously, so that the maximum flow adjustment of the water flow of the water outlet pipeline 3 can be realized.

According to fig. 8, an electric telescopic connecting rod 49 is further arranged on the second rotating shaft 27, the telescopic end of the electric telescopic connecting rod 49 is arranged at one end of the second rotating shaft 27 close to the first gear 11, the telescopic end of the electric telescopic rod is detachably connected with the rotating shaft of the first gear 11, a limiting bump 47 is arranged on the electric telescopic connecting rod 49, a limiting hole 48 matched with the limiting bump 47 is arranged on the rotating shaft of the first gear 11, the limiting bump 47 and the limiting hole 48 are used for connecting the telescopic end of the electric telescopic rod with the first gear 11 when the telescopic end of the electric telescopic rod extends to the direction of the first gear 11, and the second rotating shaft 27 can drive the electric telescopic connecting rod 49 to rotate when rotating, further drive the first gear 11 to rotate, so that the first gear 11 drives the second gear 12 to rotate, further realize the opening or closing of the adjusting plate, the opening or closing of the fixing ring 13 can be realized, and the first-stage flow regulation work of the water outlet pipeline 3 can be further realized.

As shown in fig. 9, an electric telescopic link 49 is also disposed on the third rotating shaft 31, one end of the electric telescopic link 49 is connected to the impeller 4, and the other end of the electric telescopic link 49 is connected to the third rotating shaft 31, so as to extend and retract the third rotating shaft 31 in the axial direction, so that the third gear 21 and the fourth gear 23 can be engaged or disengaged, and the porous flow rate adjusting device 10 can be started or closed.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.