CN112833025A

CN112833025A - Submersible pump and land pump function two-in-one water pump

Info

Publication number: CN112833025A
Application number: CN202011437213.2A
Authority: CN
Inventors: 王建; 王官焘; 邱士军
Original assignee: Leo Group Co ltd
Current assignee: Leo Group Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-05-25
Anticipated expiration: 2040-12-07
Also published as: CN112833025B

Abstract

The invention relates to the technical field of water pumps, in particular to a water pump integrating functions of a submersible pump and a land pump, which comprises a waterproof shell, wherein a handle is arranged at the upper end of the waterproof shell, an electric motor is arranged in the middle of the inside of the waterproof shell, a water pump is arranged at the front part of the inside of the waterproof shell, and an output shaft of the electric motor extends forwards and is in transmission connection with the water pump; a water inlet pipe is arranged at the front end of the water pump, and a water outlet pipe is arranged at the upper end of the water pump; the front end of the waterproof shell is detachably provided with a front cover, the middle part of the front cover is provided with a leading-out hole which is opposite to the water inlet pipe, a sealing plate is detachably arranged in the leading-out hole, and the front end of the water inlet pipe is close to the water diversion hole and has a gap with the sealing plate; through the setting of protecgulum for the water pump can enough realize the suction function of land pump, can realize the function of immersible pump again, thereby absorbs the water of lower water level, has improved the accommodation of this water pump.

Description

Submersible pump and land pump function two-in-one water pump

Technical Field

The invention relates to the technical field of water pumps, in particular to a water pump integrating functions of a submersible pump and a land pump.

Background

The water pump comprises a centrifugal water pump used on land and a submersible pump for placing a pump body under water. When the centrifugal water pump is used, a pump body of the water pump is placed in a pump room on the ground or underground, and then water is pumped to a required height through a certain suction lift (the theoretical suction lift is 13 meters). The centrifugal pump structure generally comprises a motor, an impeller, a water inlet and a water outlet, wherein the water inlet is arranged in a reservoir at a certain height, the volume change is realized through the rotation and deformation of the impeller, and then water is pumped into the pump body from the water inlet and is pumped to the water inlet.

The existing water pump for common mining can only be installed on land for use, and has high reliability and good use effect due to long-term use, but has the following defects: 1. because the water inlet is arranged in the middle of the pump body of the water pump, part of water in the reservoir can not be pumped out by the submersible pump because of being positioned at the lower side of the water inlet, and an additional water receiving pipe is needed to realize the suction of low residual water level; 2. the mine field environment is relatively poor, and debris such as rubble that inhales easily lead to the impeller impaired, have reduced the life of water pump, though can set up the filter screen in water inlet department usually, the filter screen still can be plugged up to inspiratory debris to influence the drainage ability of water pump.

Therefore, the invention designs the water pump integrating functions of the submersible pump and the land pump, and the water pump can realize the suction function of the land pump and the function of the submersible pump through the arrangement of the front cover, so that water with lower water level is sucked, and the application range of the water pump is improved.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problem that the existing land pump cannot pump the water at the lower side of the water inlet to cause low residual water level and cannot pump the water, the invention provides the water pump with the function of integrating the submersible pump and the land pump.

The technical scheme adopted by the invention for solving the technical problems is as follows: a submersible pump and land pump function two-in-one water pump comprises a waterproof shell, wherein a handle is arranged at the upper end of the waterproof shell, an electric motor is arranged in the middle of the inside of the waterproof shell, a water pump is arranged at the front part of the inside of the waterproof shell, and an output shaft of the electric motor extends forwards to be in transmission connection with the water pump; a water inlet pipe is arranged at the front end of the water pump, and a water outlet pipe is arranged at the upper end of the water pump; the front end of the waterproof shell is detachably provided with a front cover, the middle part of the front cover is provided with a leading-out hole which is opposite to the water inlet pipe, a sealing plate is detachably arranged in the leading-out hole, and the front end of the water inlet pipe is close to the water diversion hole and has a gap with the sealing plate; the front side of the front cover is provided with a plurality of filtering holes, the peripheral edge of the front side of the front cover is fixedly provided with a plurality of cushion blocks, and the upper layer of the front cover is provided with an avoiding groove matched with the water outlet pipe; the rear cover is detachably connected to the rear side of the waterproof shell, and a power supply for supplying electric energy to the electric motor is arranged in the rear cover.

When the water pump is used, the water inlet pipe is arranged at the front end of the water pump, and the water outlet pipe is arranged at the upper end of the water pump, so that the waterproof shell can be transversely placed on the ground, the sealing plate is opened, the external water suction pipe is inserted into the lead-out hole to be communicated with the water inlet pipe, and then the external water supply pipe is connected with the water outlet pipe, so that the suction function of the land pump can be realized; when the submersible pump needs to be used, the waterproof shell is vertically arranged, so that the front cover is arranged downwards, water with low water level can enter the waterproof shell from the filter hole due to the support of the land, and the water inlet pipe is close to the front cover, so that the water with low water level can be sucked by the water inlet pipe, and the function of the submersible pump is realized; the handle is arranged, so that the water pump can be conveniently carried and the placing posture can be conveniently adjusted; through the arrangement of the filter holes, broken stones can be prevented from entering the water inlet pipe, the probability of damage of the impeller is further reduced, and the service life of the water pump is prolonged; set up the cushion, can make protecgulum and ground have certain clearance when vertical placing waterproof housing, avoid the protecgulum directly to press the problem that leads to filtering the hole to block up subaerial, improve the drainage ability of water pump.

Preferably, the water pump comprises a pump body with a columnar cavity, the output shaft extends into the columnar cavity and is connected with a sleeve, a plurality of cantilevers are uniformly distributed on the periphery of the sleeve and are arranged at intervals, a plurality of sliding grooves which are opened towards the outside are formed in the cantilevers, impellers moving along the radial direction are arranged in the sliding grooves, and a first spring is arranged between the inner sides of the impellers and the sliding grooves; a partition plate is arranged at the front end of the columnar cavity, a gap is formed between the partition plate and the water inlet pipe, and a water inlet hole communicated with the water inlet pipe and the columnar cavity is formed in the right side of the partition plate; and a guide block with the thickness gradually increased along the rotation direction of the impeller is fixedly arranged on the side wall of the columnar cavity between the water inlet hole and the water outlet pipe. Because the prior impeller is mostly made of flexible materials, the impeller can realize the purpose of reducing the water volume at the position through obvious bending and movement when rotating to the position of the guide block, thereby realizing the pressurization of the water and finally sending the water into the water outlet pipe, but when the impeller is deformed, the guide block and the guide block are arranged in an inclined way, and if small-particle impurities enter, the impurities are pushed by the impeller and extruded on the guide block, so that the guide block and the impeller are easy to scrape, thereby reducing the service life of the water pump, and the guide block can compress the spring to retract into the chute when the impeller rotates to the guide block when the rotating shaft of the output shaft is arranged through the cantilever, the chute and the impeller, the guide block is arranged along the radial direction all the time, and the purpose that the water volume at the position is reduced can be achieved without deformation, so that the probability of scraping the guide block is reduced, and the service life is prolonged.

Preferably, the bottom of the chute is provided with a plurality of guide rods arranged along the radial direction, and the inner side of the impeller is correspondingly provided with guide holes matched with the guide rods. Through the setting of a plurality of guide bars and guiding hole, can avoid the impeller to lead to the dead problem of card in the spout slope, also guaranteed simultaneously that the sleeping in the cavity between the adjacent impeller does not communicate each other, guarantee the normal ability of drawing water of water pump.

Preferably, the upstream surface of the outer side of the impeller is arranged along the radial direction, and the back surface side of the outer side of the impeller is provided with an inclined surface. The upstream surface outside the impeller is arranged along the radial direction, so that when the impeller rotates, the force generated by water on the impeller is always vertical, the impeller only retracts into the chute at the guide block, and does not retract due to the pressure of the water, and the normal water pumping capacity of the water pump is further ensured; because the impeller outside adheres the dirt the easiest after using a period of time at the impeller, consequently sets the inclined plane to through the surface of a back side one side with the impeller outside for when electric motor reversal, water pressure can be used in on the inclined plane and produce an inboard pressure, makes the impeller retract in the spout completely, utilizes the lateral surface of cantilever to strike off the dirt of impeller, avoids the dirt to pile up too much and leads to scraping the guide block.

Preferably, the water inlet hole is detachably provided with a filter plate, and the filter plate is provided with a plurality of filter holes communicated with the water inlet pipe and the columnar cavity. Through the setting of filter, can carry out the secondary to inspiratory water and filter, further reduce the guide block and scraped colored probability, prolonged life.

Preferably, a sinking groove is formed in the rear side face of the partition plate, and the front end of the sleeve extends into the sinking groove and is in sliding seal with the sinking groove; the improved filter plate is characterized in that a communication hole is formed between the sinking groove and the water inlet, a fixing ring and a beating rod are arranged in the communication hole, one end of the beating rod penetrates through the fixing ring and extends to one side of the filter plate, the other end of the beating rod extends into the sinking groove and abuts against the sleeve, a second spring is arranged between the middle of the beating rod and the fixing ring, and a plurality of grooves matched with the beating rod are formed in the sleeve in the sinking groove at intervals. Through the setting of recess, make when the sleeve rotates, the beating rod can slide along the sleeve outer wall that sinks the inslot, when the groove, the beating rod is gone into in the recess and along with telescopic rotation roll-off recess again under the effect of second spring, consequently realize beating the periodic back and forth movement of rod in the intercommunicating pore, and then realize the vibrations of filter through the lateral wall realization filter of beating rod striking filter, realize the automatic clear stifled of filter, avoid the filter to block up the problem that causes the drainage ability that influences the water pump.

The invention has the following beneficial effects:

1. according to the water pump integrating functions of the submersible pump and the land pump, the front cover is arranged, so that the water pump can realize the suction function of the land pump and the function of the submersible pump, water with a lower water level is sucked, and the application range of the water pump is widened.

2. According to the water pump integrating functions of the submersible pump and the land pump, due to the arrangement of the cantilever, the sliding groove and the impeller, when the impeller rotates to the guide block when the rotating shaft of the output shaft is output, the guide block can compress the spring to be retracted into the sliding groove, and the guide block is arranged along the radial direction all the time without deformation to achieve the purpose that the water volume at the position is reduced, so that the probability of scraping the guide block is reduced, and the service life is prolonged.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective sectional view in bottom view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a rear view in elevation of the present invention at the impeller;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

FIG. 7 is a cross-sectional view of a separator plate according to the present invention;

fig. 8 is a partial enlarged view at D in fig. 7.

In the figure:

1. a waterproof housing; 11. a handle; 2. a front cover; 21. a filtration pore; 22. closing the plate; 23. cushion blocks; 24. an exit aperture; 25. An avoidance groove; 3. an electric motor; 4. an output shaft; 5. a pump body; 51. a water inlet pipe; 52. a sleeve; 53. a cantilever; 54. An impeller; 55. a water outlet pipe; 56. a guide block; 57. a chute; 58. a first spring; 59. a guide bar; 6. a rear cover; 61. a power source; 7. a partition plate; 71. a water inlet hole; 72. a filter plate; 73. sinking a groove; 74. a communicating hole; 75. beating rod; 76. A fixing ring; 77. a second spring; 78. and (4) a groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 8, the water pump integrating functions of a submersible pump and a land pump comprises a waterproof shell 1, wherein a handle 11 is arranged at the upper end of the waterproof shell 1, an electric motor 3 is arranged in the middle of the waterproof shell 1, a water pump is arranged at the front part of the waterproof shell 1, and an output shaft 4 of the electric motor 3 extends forwards to be in transmission connection with the water pump; a water inlet pipe 51 is arranged at the front end of the water pump, and a water outlet pipe 55 is arranged at the upper end of the water pump; the front end of the waterproof shell 1 is detachably provided with a front cover 2, the middle part of the front cover 2 is provided with a leading-out hole 24 which is opposite to the water inlet pipe 51, a sealing plate 22 is detachably arranged in the leading-out hole 24, and the front end of the water inlet pipe 51 is close to the water leading hole and has a gap with the sealing plate 22; the front side of the front cover 2 is provided with a plurality of filtering holes 21, the peripheral edge of the front side of the front cover 2 is fixedly provided with a plurality of cushion blocks 23, and the upper layer of the front cover 2 is provided with an avoidance groove 25 matched with the water outlet pipe 55; the rear side of the waterproof shell 1 is detachably connected with a rear cover 6, and a power supply 61 for supplying electric energy to the electric motor 3 is arranged in the rear cover 6.

When in use, because the front end of the water pump is provided with the water inlet pipe 51 and the upper end thereof is provided with the water outlet pipe 55, the waterproof shell 1 can be transversely placed on the ground, the sealing plate 22 is opened, the external water suction pipe is inserted into the lead-out hole 24 to be communicated with the water inlet pipe 51, and then the external water supply pipe is connected with the water outlet pipe 55, so that the suction function of the land pump can be realized; when the submersible pump needs to be used, the waterproof shell 1 is vertically arranged, so that the front cover 2 is arranged downwards, water with low water level can enter the waterproof shell 1 from the filter holes 21 due to the support of the land, and the water inlet pipe 51 is close to the front cover 2, so that the water with low water level can be sucked by the water inlet pipe 51, and the function of the submersible pump is realized; the handle 11 is arranged, so that the water pump can be conveniently carried and the placing posture can be conveniently adjusted; through the arrangement of the filtering holes 21, broken stones can be prevented from entering the water inlet pipe 51, the probability of damage to the impeller 54 is further reduced, and the service life of the water pump is prolonged; set up cushion 23, can make protecgulum 2 and ground have certain clearance when vertically placing waterproof housing 1, avoid protecgulum 2 directly to press the problem that leads to filter 21 to block up subaerial, improve the drainage ability of water pump.

As an embodiment of the present invention, the water pump includes a pump body 5 having a cylindrical cavity, the output shaft 4 extends into the cylindrical cavity and is connected to a sleeve 52, a plurality of cantilevers 53 are uniformly distributed on the outer circumference of the sleeve 52, a plurality of sliding grooves 57 open to the outside are formed in the cantilevers 53, an impeller 54 moving in the radial direction is formed in the sliding grooves 57, and a first spring 58 is formed between the inner side of the impeller 54 and the sliding grooves 57; a partition plate 7 is arranged at the front end of the columnar cavity, a gap exists between the partition plate 7 and the water inlet pipe 51, and a water inlet hole 71 communicated with the water inlet pipe 51 and the columnar cavity is formed in the right side of the partition plate 7; and a guide block 56 with the thickness gradually increased along the rotation direction of the impeller 54 is fixedly arranged on the side wall of the cylindrical cavity between the water inlet hole 71 and the water outlet pipe 55. Because most of the existing impellers 54 are made of flexible materials, the purpose of reducing the water volume at the position can be achieved through obvious bending and movement when the impellers 54 rotate to the guide block 56, so that the water at the position can be pressurized, and finally the water is sent into the water outlet pipe 55, but because the impellers 54 are obliquely arranged between the impellers and the guide block 56 when being deformed, if small-particle impurities enter, the impurities are pushed by the impellers 54 and are simultaneously extruded on the guide block 56, the guide block 56 and the impellers 54 are easy to scrape, so that the service life of the water pump is reduced, through the arrangement of the cantilever 53, the chute 57 and the impellers 54, when the output shaft 4 rotates, the guide block 56 can compress the spring and retract into the chute 57 when the impellers 54 rotate to the guide block 56, the guide block 56 can be always arranged along the radial direction without deformation, so that the purpose of reducing the water volume at the position can be achieved, and the probability of scraping the guide block 56 is reduced, the service life is prolonged.

In one embodiment of the present invention, the bottom of the sliding chute 57 is provided with a plurality of guide rods 59 arranged along the radial direction, and the inside of the impeller 54 is correspondingly provided with guide holes matched with the guide rods 59. Through the setting of a plurality of guide bars 59 and guiding hole, can avoid impeller 54 slope to lead to the dead problem of card in spout 57, also guaranteed simultaneously that the sleeping in the cavity between the adjacent impeller 54 is not communicated each other, guarantees the normal ability of drawing water of water pump.

In one embodiment of the present invention, the upstream surface of the outer side of the impeller 54 is arranged in a radial direction, and the downstream surface side of the outer side of the impeller 54 is provided with an inclined surface. By arranging the upstream surface outside the impeller 54 in the radial direction, when the impeller 54 rotates, the force generated by the water on the impeller 54 is always vertical, so that the impeller 54 only retracts into the chute 57 at the guide block 56 and does not retract due to the pressure of the water, and the normal water pumping capacity of the water pump is further ensured; since the outer side of the impeller 54 is most likely to be adhered with dirt after the impeller 54 is used for a while, by providing the inclined surface on the back surface side of the outer side of the impeller 54, when the electric motor 3 rotates reversely, the water pressure acts on the inclined surface and generates an inward pressure, so that the impeller 54 is completely retracted into the chute 57, the dirt of the impeller 54 is scraped by the outer side surface of the cantilever 53, and the guide block 56 is prevented from being scraped due to excessive dirt accumulation.

In one embodiment of the present invention, a filter plate 72 is detachably mounted at the water inlet 71, and the filter plate 72 is provided with a plurality of filter holes 21 communicating the water inlet 51 with the columnar cavity. Through the setting of filter 72, can carry out the secondary filter to inspiratory water, further reduce guide block 56 and scraped colored probability, prolong life.

As an embodiment of the present invention, a sunken groove 73 is formed in the rear side surface of the partition plate 7, and the front end of the sleeve 52 extends into the sunken groove 73 and is in sliding seal with the sunken groove 73; a communication hole 74 is arranged between the sinking groove 73 and the water inlet 71, a fixed ring 76 and a beating rod 75 are arranged in the communication hole 74, one end of the beating rod 75 passes through the fixed ring 76 and extends to one side of the filter plate 72, the other end of the beating rod 75 extends into the sinking groove 73 and is abutted against the sleeve 52, a second spring 77 is arranged between the middle part of the beating rod 75 and the fixed ring 76, and a plurality of grooves 78 matched with the beating rod 75 are arranged on the sleeve 52 in the sinking groove 73 at intervals. Through the setting of recess 78, make when sleeve 52 rotates, beater 75 can slide along the sleeve 52 outer wall in the heavy groove 73, when groove 78 department, beater 75 is in the recess 78 and along with the rotation of sleeve 52 roll-off recess 78 again in the bullet under the effect of second spring 77, consequently realize beater 75 periodic round trip movement in the intercommunicating pore 74, and then realize the vibrations of filter 72 through the lateral wall of beater 75 striking filter 72, realize the automatic clear stifled of filter 72, avoid filter 72 to block up the problem that causes the drainage ability that influences the water pump.

When in use, because the front end of the water pump is provided with the water inlet pipe 51 and the upper end thereof is provided with the water outlet pipe 55, the waterproof shell 1 can be transversely placed on the ground, the sealing plate 22 is opened, the external water suction pipe is inserted into the lead-out hole 24 to be communicated with the water inlet pipe 51, and then the external water supply pipe is connected with the water outlet pipe 55, so that the suction function of the land pump can be realized; when the submersible pump needs to be used, the waterproof shell 1 is vertically arranged, so that the front cover 2 is arranged downwards, water with low water level can enter the waterproof shell 1 from the filter holes 21 due to the support of the land, and the water inlet pipe 51 is close to the front cover 2, so that the water with low water level can be sucked by the water inlet pipe 51, and the function of the submersible pump is realized; the handle 11 is arranged, so that the water pump can be conveniently carried and the placing posture can be conveniently adjusted; through the arrangement of the filtering holes 21, broken stones can be prevented from entering the water inlet pipe 51, the probability of damage to the impeller 54 is further reduced, and the service life of the water pump is prolonged; the cushion block 23 is arranged, so that a certain gap can be formed between the front cover 2 and the ground when the waterproof shell 1 is vertically placed, the problem that the filter holes 21 are blocked due to the fact that the front cover 2 directly presses the ground is avoided, and the drainage capacity of the water pump is improved; because most of the existing impellers 54 are made of flexible materials, the purpose of reducing the water volume at the position can be achieved through obvious bending and movement when the impellers 54 rotate to the guide block 56, so that the water at the position can be pressurized, and finally the water is sent into the water outlet pipe 55, but because the impellers 54 are obliquely arranged between the impellers and the guide block 56 when being deformed, if small-particle impurities enter, the impurities are pushed by the impellers 54 and are simultaneously extruded on the guide block 56, the guide block 56 and the impellers 54 are easy to scrape, so that the service life of the water pump is reduced, through the arrangement of the cantilever 53, the chute 57 and the impellers 54, when the output shaft 4 rotates, the guide block 56 can compress the spring and retract into the chute 57 when the impellers 54 rotate to the guide block 56, the guide block 56 can be always arranged along the radial direction without deformation, so that the purpose of reducing the water volume at the position can be achieved, and the probability of scraping the guide block 56 is reduced, the service life is prolonged; through the arrangement of the guide rods 59 and the guide holes, the problem that the impeller 54 is blocked due to inclination in the sliding groove 57 can be avoided, meanwhile, the mutual communication of the water in the cavities between the adjacent impellers 54 is ensured, and the normal water pumping capacity of the water pump is ensured; by arranging the upstream surface outside the impeller 54 in the radial direction, when the impeller 54 rotates, the force generated by the water on the impeller 54 is always vertical, so that the impeller 54 only retracts into the chute 57 at the guide block 56 and does not retract due to the pressure of the water, and the normal water pumping capacity of the water pump is further ensured; since the outside of the impeller 54 is most easily adhered with dirt after the impeller 54 is used for a period of time, by setting the back surface side of the outside of the impeller 54 to be an inclined surface, when the electric motor 3 rotates reversely, the water pressure acts on the inclined surface and generates an inward pressure, so that the impeller 54 is completely retracted into the chute 57, the dirt of the impeller 54 is scraped by the outer side surface of the cantilever 53, and the guide block 56 is prevented from being scraped due to excessive dirt accumulation; through the arrangement of the filter plate 72, the sucked water can be filtered for the second time, the probability of scraping the guide block 56 is further reduced, and the service life is prolonged; through the setting of recess 78, make when sleeve 52 rotates, beater 75 can slide along the sleeve 52 outer wall in the heavy groove 73, when groove 78 department, beater 75 is in the recess 78 and along with the rotation of sleeve 52 roll-off recess 78 again in the bullet under the effect of second spring 77, consequently realize beater 75 periodic round trip movement in the intercommunicating pore 74, and then realize the vibrations of filter 72 through the lateral wall of beater 75 striking filter 72, realize the automatic clear stifled of filter 72, avoid filter 72 to block up the problem that causes the drainage ability that influences the water pump.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The water pump with the functions of the submersible pump and the land pump combined is characterized by comprising a waterproof shell (1), wherein a handle (11) is arranged at the upper end of the waterproof shell (1), an electric motor (3) is arranged in the middle of the inside of the waterproof shell (1), a water pump is arranged at the front part of the inside of the waterproof shell (1), and an output shaft (4) of the electric motor (3) extends forwards to be in transmission connection with the water pump; a water inlet pipe (51) is arranged at the front end of the water pump, and a water outlet pipe (55) is arranged at the upper end of the water pump; the front end of the waterproof shell (1) is detachably provided with a front cover (2), the middle part of the front cover (2) is provided with a leading-out hole (24) which is opposite to the water inlet pipe (51), a sealing plate (22) is detachably arranged in the leading-out hole (24), and the front end of the water inlet pipe (51) is close to the leading-out hole and has a gap with the sealing plate (22); a plurality of filtering holes (21) are formed in the front side of the front cover (2), a plurality of cushion blocks (23) are fixedly arranged on the peripheral edge of the front side of the front cover (2), and an avoidance groove (25) matched with the water outlet pipe (55) is formed in the upper layer of the front cover (2); waterproof casing (1) rear side can be dismantled and be connected with back lid (6), be provided with power (61) for electric motor (3) provides the electric energy in back lid (6).

2. A submersible pump and land pump combined pump according to claim 1, wherein the pump comprises a pump body (5) having a cylindrical cavity, the output shaft (4) extends into the cylindrical cavity and is connected with a sleeve (52), a plurality of cantilevers (53) are uniformly distributed on the periphery of the sleeve (52), a plurality of chutes (57) open towards the outside are formed in the cantilevers (53), impellers (54) moving along the radial direction are formed in the chutes (57), and first springs (58) are arranged between the inner sides of the impellers (54) and the chutes (57); a partition plate (7) is arranged at the front end of the columnar cavity, a gap exists between the partition plate (7) and the water inlet pipe (51), and a water inlet hole (71) communicated with the water inlet pipe (51) and the columnar cavity is formed in the right side of the partition plate (7); and a guide block (56) with the thickness gradually increased along the rotation direction of the impeller (54) is fixedly arranged on the side wall of the cylindrical cavity between the water inlet hole (71) and the water outlet pipe (55).

3. A submersible pump and land pump combined pump according to claim 2, characterized in that the bottom of the chute (57) is provided with a plurality of guide rods (59) arranged along the radial direction, and the inner side of the impeller (54) is correspondingly provided with guide holes matched with the guide rods (59).

4. A submersible pump and land pump combination pump according to claim 3, characterized in that the upstream side outside the impeller (54) is arranged radially and the downstream side outside the impeller (54) is provided with an inclined surface.

5. A submersible pump and land pump function two-in-one water pump according to claim 4, characterized in that a filter plate (72) is detachably mounted at the water inlet (71), and a plurality of filter holes (21) communicating the water inlet pipe (51) and the cylindrical cavity are arranged on the filter plate (72).

6. A submersible pump and land pump combined pump according to claim 5, wherein the partition (7) is provided with a sunken groove (73) at the rear side, and the front end of the sleeve (52) extends into the sunken groove (73) and is in sliding seal with the sunken groove (73); a communication hole (74) is formed between the sinking groove (73) and the water inlet hole (71), a fixing ring (76) and a beating rod (75) are arranged in the communication hole (74), one end of the beating rod (75) penetrates through the fixing ring (76) and extends to one side of the filter plate (72), the other end of the beating rod (75) extends into the sinking groove (73) and is abutted against the sleeve (52), a second spring (77) is arranged between the middle of the beating rod (75) and the fixing ring (76), and a plurality of grooves (78) matched with the beating rod (75) are formed in the sleeve (52) in the sinking groove (73) at intervals.