CN114001006A - Water pump with filter screen limiting system - Google Patents

Abstract

The invention discloses a novel agricultural water pump, which relates to the field of water pumps and comprises a frame and a water pump main body, wherein the water pump main body is fixedly connected above the bottom of the frame, one side of the water pump main body is provided with a driving motor, the other side of the water pump main body is provided with a connecting pipeline, the top end of the water pump main body is provided with a water drainage pipe, the bottom end of the water drainage pipe penetrates through the top of the frame, and a sealing bearing is arranged between the bottom end and the top end of the water pump main body. This water pump with filter screen restraint system, through the setting of restriction subassembly, the spacing groove of utilizing the inside of spacing ring canal to set up limits the filter screen, and the effectual current water pump filter screen outside of having solved does not set up any limiting mechanism, and the filter screen is when need not filtering the use, and the filter screen rotates easily or squints under the impact force effect such as debris, and inconvenient water pump carries out the in service problem.

Description

Water pump with filter screen limiting system

The technical field is as follows:

the invention relates to the field of water pumps, in particular to a water pump with a filter screen limiting system.

Background art:

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.

Liquids, gas mixtures, and liquids containing suspended solids may also be transported. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.

At present, the water pump for agriculture is simple in structure and facilities, the water pump is only installed inside a frame to be used, and great defects and limitations are caused in use. The outside of current water pump filter screen does not set up any limiting mechanism, and the filter screen is when need not filtering the use, and the filter screen rotates easily or the skew under the impact force effect such as debris, and is inconvenient to use.

The invention content is as follows:

in order to solve the problems in the background art, the invention provides a water pump with a filter screen limiting system.

The technical problem to be solved by the invention is realized by adopting the following technical scheme: a water pump with a filter screen limiting system comprises a frame and a water pump main body, wherein the water pump main body is fixedly connected above the bottom of the frame, one side of the water pump main body is provided with a driving motor, the other side of the water pump main body is provided with a connecting pipeline, the top end of the water pump main body is provided with a drain pipe, the bottom end of the drain pipe penetrates through the top of the frame, and a sealing bearing is arranged between the bottom end and the top end of the water pump main body;

one side of the connecting pipeline is provided with a limiting mechanism, and the limiting mechanism comprises a filtering pipeline, a moving pipeline, a limiting ring pipe, a filtering net, a rotating rod, a limiting sleeve, a rectangular groove, an adjusting rod, a fixing plate, an adjusting handle and an isolating pipeline;

a filter pipeline is arranged on one side of the connecting pipeline, a moving pipeline is arranged on one side of the inside of the filter pipeline, a limiting ring pipe is arranged on the other side of the inside of the filter pipeline, a filter screen is arranged in the moving pipeline, rotating rods are arranged at the top and the bottom of the filter screen, one end of each rotating rod penetrates through the moving pipeline, and the other end of each rotating rod is rotatably connected with a limiting sleeve;

rectangular channels are formed in the top and the bottom of the connecting pipeline, and the limiting sleeves are arranged in the rectangular channels.

Preferably, it is a set of the top fixedly connected with adjustment handle of dwang, another group the terminal threaded connection of dwang has the regulation pole, the both ends of adjusting the pole are provided with the fixed plate, the fixed plate with filtering duct outer wall fixed connection.

Preferably, an isolation pipeline is arranged at one end of the moving pipeline and is inserted into the filtering pipeline.

Preferably, the limiting ring pipe is internally provided with a limiting groove.

Preferably, one side of the drain pipe is provided with a first adjusting mechanism, and the first adjusting mechanism comprises a first transmission rod, a first bevel gear, a first gear, a movable rod, a movable plate, a semicircular toothed plate, a rectangular toothed plate, a sliding plate, a clamping strip and a second gear;

one side fixedly connected with semicircular tooth line board of drain pipe, one side meshing of semicircular tooth line board is connected with rectangle tooth line board, rectangle tooth line board one side is provided with the movable plate, movable plate one side is provided with the slide, slide fixed connection in the top of frame top, the one end of slide is provided with the movable rod, the one end of movable rod is provided with first gear, first gear with the frame rotates to be connected, and one side meshing is connected with the second gear, the inside of second gear is provided with first transfer line, the one end of first transfer line is passed the frame.

Preferably, the top and the bottom of the moving plate are provided with clamping strips, and the clamping strips are connected to the inside of the sliding plate in a sliding manner.

Preferably, the top of the water drainage pipe is provided with a second adjusting mechanism, and the second adjusting mechanism comprises a concave plate frame, a second transmission rod, a second conical tooth, a third conical tooth, a support rod, a curved rod, a connecting rod and a blocking piece;

the top of drain pipe is provided with the spill grillage, the inside of spill grillage is provided with the second transfer line, the both ends of second transfer line are provided with the second conic tooth, and are a set of one side meshing of second conic tooth is connected with the third awl tooth, one side of third awl tooth is provided with the curved bar, the both ends of curved bar are provided with the bracing piece, and the middle-end is provided with the connecting rod, connecting rod one end is provided with blocks the piece, block piece one end peg graft in the inside of drain pipe.

Preferably, the two ends of the first transmission rod are provided with first bevel teeth, one end of each first bevel tooth is in meshed connection with the second bevel teeth, the other end of each first bevel tooth is in meshed connection with a sixth bevel tooth, a double-shaft motor is arranged on one side of each sixth bevel tooth, and the double-shaft motor is fixedly installed below the top of the frame.

Preferably, a water cooling assembly is arranged outside the driving motor and comprises a transparent shell, a water inlet hose, a water outlet hose, a stirring blade, a fourth bevel gear, a fifth bevel gear, a third transmission rod, a fixing piece and a guide pipe;

a transparent shell is arranged outside the driving motor, a water outlet hose is arranged at the top of one end of the transparent shell, one end of the water outlet hose is connected with the top of the connecting pipeline, a water inlet hose is arranged at the bottom of one end of the transparent shell, one end of the water inlet hose is connected with the side wall of the connecting pipeline, a guide pipe is arranged at one end of the water inlet hose, and the guide pipe is arranged inside the connecting pipeline;

the other end of the transparent shell is internally provided with a stirring blade, and one end of the stirring blade is provided with a fourth bevel gear.

Preferably, a fixing part is arranged on one side of the frame, a third transmission rod is arranged inside the fixing part, fifth bevel teeth are arranged at two ends of the third transmission rod, one end of each fifth bevel tooth is in meshed connection with the corresponding fourth bevel tooth, and the other end of each fifth bevel tooth is in meshed connection with the corresponding sixth bevel tooth.

The working principle and the specific using process of the invention are as follows: during the use, through starting the biax motor, make it drive sixth awl tooth and rotate, sixth awl tooth drives first awl tooth and rotates, first awl tooth makes first transfer line and second gear rotate, the second gear drives first gear and rotates, first gear drives movable rod one end and is circular motion, the movable rod drives the movable plate and is linear motion in the inside of slide, under the effect of circular profile of tooth board and rectangle profile of tooth board, make the drain pipe make a round trip to rotate, make the water multi-angle of taking out spray.

Meanwhile, the double-shaft motor drives the sixth bevel gear to rotate, when the sixth bevel gear drives the first bevel gear and the first transmission rod to rotate, the other group of first bevel gear can drive the second bevel gear to rotate, so that the second transmission rod and the third bevel gear rotate in the concave plate frame, so that the second bevel gear drives the third bevel gear to rotate for the first time, the third bevel gear drives the curved rod to rotate, the middle end of the curved rod is movably connected with the connecting rod through the rotating bearing, the connecting rod is inserted in the top of the drain pipe through the blocking piece, the curved rod can drive the connecting rod and the blocking piece to move up and down, the blocking piece can be repeatedly inserted in the top of the drain pipe and the inside of the pipe, so that the water pressure of the pipe opening of the drain pipe is increased, the distance of the drain pipe is far away from spraying, water flow can also be broken from the middle, and the spraying area is enlarged.

When water is carried through connecting tube, under the setting of honeycomb duct, can change the direction of rivers, make water get into transparent shell's inside through the hose of intaking, when transparent shell inside water is full, can discharge from the play water hose at transparent shell top, inside through a play water hose discharge to connecting tube, thereby realize transparent shell and connecting tube and carry out the UNICOM, can fill water with transparent shell inside, transparent shell has certain heat conductivity, thereby realize the physics cooling to driving motor, under double-shaft motor's start-up, double-shaft motor makes fifth awl tooth and third transfer line rotate through driving another set of sixth awl tooth, thereby make fourth awl tooth and stirring page or leaf rotate, can accelerate rivers and flow the mixture in transparent shell inside, also can accelerate the circulation of rivers.

Finally, when needing to use the filter screen to filter, can make the filter screen keep with filter tube perpendicular state, when need not use the filter screen to filter, rotate through making the regulation pole, adjust the pole and carry out threaded connection with the dwang, when adjusting the pole and rotating, can make the dwang remove, remove adjustment handle simultaneously, make two sets of dwangs remove together, and then make removal pipeline and filter screen remove together, afterwards, through rotating adjustment handle, make the filter screen rotate, keep parallel state with filter tube, rotating through adjusting the pole, make removal pipeline and filter screen remove together, thereby utilize the spacing groove that the inside of spacing ring canal was seted up to restrict the filter screen.

Compared with the prior art, the invention has the beneficial effects that: the novel agricultural water pump has the advantages that through the arrangement of the limiting component, when the filtering net is not needed to be used for filtering, the adjusting rod is rotated, the adjusting rod is in threaded connection with the rotating rod, when the adjusting rod is rotated, the rotating rod can be moved, the adjusting handle is moved at the same time, the two groups of rotating rods are moved together, the moving pipeline and the filtering net are further moved together, then, through the rotation of the adjusting handle, the filtering net is rotated and kept in a parallel state with the filtering pipeline, the moving pipeline and the filtering net are moved together through the rotation of the adjusting rod, so that the filtering net is limited by the limiting groove arranged in the limiting ring pipe, the problem that the existing water pump filtering net is not provided with any limiting mechanism outside is effectively solved, when the filtering net is not needed to be used, the filtering net is easy to rotate or shift under the impact force of sundries and the like, the water pump is inconvenient to use.

Description of the drawings:

in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

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

FIG. 2 is a right structural view of a drain pipe and a seal bearing;

FIG. 3 is a schematic sectional view of the filter screen in the limiting mechanism in a filtering state;

FIG. 4 is a schematic structural view of the filter screen in the limiting mechanism in a filtering state after moving;

FIG. 5 is a schematic structural view of the filter screen in the restriction mechanism after movement thereof in a non-filtering state;

FIG. 6 is a schematic view of a limiting mechanism with a filter net in an unfiltered state;

FIG. 7 is a schematic side view of the spacing collar and spacing groove;

FIG. 8 is a schematic front view of a portion of the present invention;

FIG. 9 is a schematic top view of the first adjustment mechanism;

FIG. 10 is a side view of the second adjustment mechanism;

FIG. 11 is a schematic sectional top view of the connecting pipe, the water inlet hose and the draft tube;

FIG. 12 is a side view of the drain pipe;

wherein: 1. a frame; 2. a first adjustment mechanism; 201. a first drive lever; 202. a first bevel gear; 203. a first gear; 204. a movable rod; 205. moving the plate; 206. a semicircular corrugated plate; 207. a rectangular corrugated board; 208. a slide plate; 209. clamping the strip; 210. a second gear; 3. a second adjustment mechanism; 301. a concave plate frame; 302. a second transmission rod; 303. a second taper tooth; 304. a third bevel gear; 305. a support bar; 306. a curved bar; 307. a connecting rod; 308. a blocking sheet; 4. a water-cooling assembly; 401. a transparent housing; 402. a water inlet hose; 403. a water outlet hose; 404. stirring the page; 405. a fourth bevel gear; 406. a fifth bevel gear; 407. a third transmission rod; 408. a fixing member; 409. a flow guide pipe; 5. a water pump main body; 6. a limiting mechanism; 601. a filtration pipeline; 602. moving the pipeline; 603. a limiting ring pipe; 604. a filter screen; 605. rotating the rod; 606. a limiting sleeve; 607. a rectangular groove; 608. adjusting a rod; 609. a fixing plate; 610. an adjusting handle; 611. isolating the pipeline; 612. a limiting groove; 7. a drive motor; 8. a drain pipe; 9. connecting a pipeline; 10. a double-shaft motor; 11. a sixth bevel gear; 12. and sealing the bearing.

The specific implementation mode is as follows:

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 explained below by combining the specific drawings.

Example 1:

referring to fig. 1-7, a water pump with a filter screen limiting system comprises a frame 1 and a water pump main body 5, wherein the water pump main body 5 is fixedly connected above the bottom of the frame 1, a driving motor 7 is installed on one side of the water pump main body 5, a connecting pipeline 9 is installed on the other side of the water pump main body 5, a water discharge pipe 8 is arranged at the top end of the water pump main body 5, the bottom end of the water discharge pipe 8 penetrates through the top of the frame 1, and a sealing bearing 12 is arranged between the bottom end and the top end of the water pump main body 5; the seal bearing 12 is for rotational connection between the drain pipe 8 and the water pump body 5.

A limiting mechanism 6 is arranged on one side of the connecting pipeline 9, and the limiting mechanism 6 comprises a filtering pipeline 601, a moving pipeline 602, a limiting ring pipe 603, a filtering net 604, a rotating rod 605, a limiting sleeve 606, a rectangular groove 607, an adjusting rod 608, a fixing plate 609, an adjusting handle 610 and an isolating pipeline 611; a filtering pipeline 601 is arranged on one side of the connecting pipeline 9, a moving pipeline 602 is arranged on one side of the inside of the filtering pipeline 601, a limiting ring pipe 603 is arranged on the other side of the inside of the filtering pipeline 601, a filtering net 604 is arranged inside the moving pipeline 602, rotating rods 605 are arranged at the top and the bottom of the filtering net 604, one end of each rotating rod 605 penetrates through the moving pipeline 602, and the other end of each rotating rod is rotatably connected with a limiting sleeve 606; rectangular grooves 607 are formed in the top and the bottom of the connecting pipeline 9, and the limiting sleeve 606 is arranged in the rectangular grooves 607; the top of one group of the rotating rods 605 is fixedly connected with an adjusting handle 610, the tail end of the other group of the rotating rods 605 is in threaded connection with an adjusting rod 608, two ends of the adjusting rod 608 are provided with fixing plates 609, and the fixing plates 609 are fixedly connected with the outer wall of the filtering pipeline 601; an isolation pipe 611 is arranged at one end of the movable pipe 602, and the isolation pipe 611 is inserted into the filtering pipe 601; the limiting ring pipe 603 is internally provided with a limiting groove 612.

Specifically, when the filter screen 604 is required to be used for filtering, the filter screen 604 can be kept perpendicular to the filter pipeline 601, as shown in the position of fig. 3, even if some impact from sundries cannot completely rotate to be parallel to the filter pipeline 601, and can be limited by the limiting ring pipe 603, when the filter screen 604 is not required to be used for filtering, the adjusting rod 608 is screwed to the rotating rod 605, when the adjusting rod 608 rotates, the rotating rod 605 can move, and the adjusting handle 610 is moved at the same time, so that the two sets of rotating rods 605 move together, and further the moving pipeline 602 and the filter screen 604 move together, as shown in the position of fig. 4, and then the filter screen 604 rotates by rotating the adjusting handle 610, and keeps parallel to the filter pipeline 601, as shown in the position of fig. 5, the adjusting rod 608 is rotated to enable the moving pipe 602 and the filter screen 604 to move together, as shown in fig. 6, so that the filter screen 604 is limited by the limiting groove 612 formed in the limiting ring pipe 603, and the problem that the filter screen 604 is easy to rotate and damage under the impact of impurities and other substances is avoided, and subsequent filtering effect and conveying are affected. In addition, the rotating rod 605 is rotatably connected with the limiting sleeve 606, the limiting sleeve 606 is of a square cylinder structure, and the outer wall of the limiting sleeve 606 is matched with the rectangular groove 607, so that the limiting sleeve 606 is limited. The isolation pipe 611 is to prevent water from flowing into more gaps from the filtering pipe 601 and the moving pipe 602.

Example 2:

referring to fig. 1, 8, 9 and 12, a first adjusting mechanism 2 is disposed on one side of the water discharging pipe 8, and the first adjusting mechanism 2 includes a first transmission rod 201, a first bevel gear 202, a first gear 203, a movable rod 204, a movable plate 205, a semicircular corrugated plate 206, a rectangular corrugated plate 207, a sliding plate 208, a clamping strip 209 and a second gear 210; one side of the water discharge pipe 8 is fixedly connected with a semicircular corrugated plate 206, one side of the semicircular corrugated plate 206 is in meshing connection with a rectangular corrugated plate 207, one side of the rectangular corrugated plate 207 is provided with a moving plate 205, one side of the moving plate 205 is provided with a sliding plate 208, the sliding plate 208 is fixedly connected above the top of the frame 1, one end of the sliding plate 208 is provided with a movable rod 204, one end of the movable rod 204 is provided with a first gear 203, the first gear 203 is rotatably connected with the frame 1, one side of the movable rod is in meshing connection with a second gear 210, a first transmission rod 201 is arranged inside the second gear 210, and one end of the first transmission rod 201 penetrates through the frame 1. The top and the bottom of the moving plate 205 are provided with a clamping strip 209, the clamping strip 209 is slidably connected to the inside of the sliding plate 208, and the clamping strip 209 is used for further limiting the rectangular corrugated plate 207 in the inside of the sliding plate 208, so that the rectangular corrugated plate 207 can stably make a back-and-forth linear motion.

Specifically, during the use, through starting biax motor 10, make it drive sixth bevel gear 11 and rotate, sixth bevel gear 11 drives first bevel gear 202 and rotates, first bevel gear 202 makes first transfer line 201 and second gear 210 rotate, second gear 210 drives first gear 203 and rotates, first gear 203 drives movable rod 204 one end and is circular motion, movable rod 204 carries out swing joint with movable plate 205, thereby movable rod 204 drives movable plate 205 and is linear motion in the inside of slide 208, under the effect of circular profile of tooth board 206 and rectangle profile of tooth board 207, make drain pipe 8 carry out the rotation of making a round trip, make the water multi-angle of taking out spray.

The scheme in this embodiment can be selectively combined with the scheme in other embodiments.

Example 3:

referring to fig. 1, 8, 10 and 12, a second adjusting mechanism 3 is disposed on the top of the water discharging pipe 8, and the second adjusting mechanism 3 includes a concave plate frame 301, a second transmission rod 302, a second bevel gear 303, a third bevel gear 304, a support rod 305, a curved rod 306, a connecting rod 307 and a blocking piece 308; the top of drain pipe 8 is provided with concave grillage 301, the inside of concave grillage 301 is provided with second transmission pole 302, the both ends of second transmission pole 302 are provided with second awl tooth 303, one side meshing of a set of second awl tooth 303 is connected with third awl tooth 304, one side of third awl tooth 304 is provided with curved bar 306, the both ends of curved bar 306 are provided with bracing piece 305, and the middle-end is provided with connecting rod 307, connecting rod 307 one end is provided with blocks piece 308, it pegs graft in the inside of drain pipe 8 to block piece 308 one end.

Two ends of the first transmission rod 201 are provided with first bevel teeth 202, one end of each first bevel tooth 202 is in meshed connection with the second bevel teeth 303 of the other group, the other end of each first bevel tooth is in meshed connection with a sixth bevel tooth 11, a double-shaft motor 10 is arranged on one side of each sixth bevel tooth 11, and the double-shaft motor 10 is fixedly installed below the top of the frame 1.

Specifically, when the dual-shaft motor 10 drives the sixth bevel gear 11 to rotate, and the sixth bevel gear 11 drives the first bevel gear 202 and the first transmission rod 201 to rotate, the other set of first bevel gear 202 can drive the second bevel gear 303 to rotate, so that the second transmission rod 302 and the third bevel gear 304 rotate inside the concave plate frame 301, so that the second bevel gear 303 drives the third bevel gear 304 to rotate, the third bevel gear 304 drives the curved bar 306 to rotate, the middle end of the curved bar 306 is movably connected with the connecting rod 307 through the rotating bearing, the connecting rod 307 is inserted into the top of the drain pipe 8 through the blocking piece 308, the curved bar 306 can drive the connecting rod 307 and the blocking piece 308 to move up and down, the blocking piece 308 can be repeatedly inserted into the top of the drain pipe 8 and the inside of the pipe, so that the water pressure of the pipe opening of the drain pipe 8 is increased, and the distance of the drain pipe 8 is further sprayed, the water flow can be broken from the middle, and the spraying area is enlarged.

The scheme in this embodiment can be selectively combined with the scheme in other embodiments.

Example 4:

referring to fig. 1 and 11, a water cooling assembly 4 is disposed outside the driving motor 7, and the water cooling assembly 4 includes a transparent housing 401, a water inlet hose 402, a water outlet hose 403, a stirring blade 404, a fourth bevel gear 405, a fifth bevel gear 406, a third transmission rod 407, a fixing member 408, and a flow guide pipe 409; a transparent shell 401 is arranged outside the driving motor 7, a water outlet hose 403 is arranged at the top of one end of the transparent shell 401, one end of the water outlet hose 403 is connected with the top of the connecting pipeline 9, a water inlet hose 402 is arranged at the bottom of one end of the transparent shell 401, one end of the water inlet hose 402 is connected with the side wall of the connecting pipeline 9, a guide pipe 409 is arranged at one end of the water inlet hose 402, and the guide pipe 409 is arranged inside the connecting pipeline 9; a stirring blade 404 is arranged inside the other end of the transparent shell 401, and a fourth bevel gear 405 is arranged at one end of the stirring blade 404.

One side of the frame 1 is provided with a fixing member 408, a third transmission rod 407 is arranged inside the fixing member 408, both ends of the third transmission rod 407 are provided with fifth bevel teeth 406, one end of the fifth bevel teeth 406 is engaged with the fourth bevel teeth 405, and the other end is engaged with the sixth bevel teeth 11.

Specifically, when the water is conveyed through the connecting pipe 9 in use, the direction of the water flow can be changed under the arrangement of the guide pipe 409, so that the water enters the inside of the transparent shell 401 through the water inlet hose 402, when the water inside the transparent shell 401 is full, the water can be discharged from the water outlet hose 403 at the top of the transparent shell 401 and is discharged to the inside of the connecting pipe 9 through the water outlet hose 403, so that the transparent shell 401 is communicated with the connecting pipe 9, the inside of the transparent shell 401 can be filled with the water, and the transparent shell 401 has certain thermal conductivity, so that the driving motor 7 is physically cooled; meanwhile, when the dual-shaft motor 10 is started, the dual-shaft motor 10 drives another set of the sixth bevel gear 11 to rotate the fifth bevel gear 406 and the third transmission rod 407, so that the fourth bevel gear 405 and the stirring blade 404 rotate, which can accelerate the flow mixing of the water flow inside the transparent shell 401 and also accelerate the circulation of the water flow. The water inlet hose 402 is connected to the side wall of the connecting pipe 9 to prevent the bottom of the connecting pipe 9 from entering the transparent casing 401 with the water flow if there is impurities such as sand and sand. Be provided with the drain hole in the below of stirring page or leaf 404, the drain hole sets up inside transparent outer shell 401, and the drain hole is provided with the drain cap and blocks up, when needs discharge the inside water of transparent outer shell 401, take off the drain cap can, drain hole and drain cap do not mark in the picture.

The scheme in this embodiment can be selectively combined with the scheme in other embodiments.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. 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 (4)

1. The utility model provides a water pump with filter screen restraint system, includes frame (1) and water pump main part (5), its characterized in that: the water pump main body (5) is fixedly connected above the bottom of the frame (1), one side of the water pump main body (5) is provided with a driving motor (7), the other side of the water pump main body is provided with a connecting pipeline (9), the top end of the water pump main body (5) is provided with a drain pipe (8), the bottom end of the drain pipe (8) penetrates through the top of the frame (1), and a sealing bearing (12) is arranged between the bottom end and the top end of the water pump main body (5);

a limiting mechanism (6) is arranged on one side of the connecting pipeline (9), and the limiting mechanism (6) comprises a filtering pipeline (601), a moving pipeline (602), a limiting ring pipe (603), a filtering net (604), a rotating rod (605), a limiting sleeve (606), a rectangular groove (607), an adjusting rod (608), a fixing plate (609), an adjusting handle (610) and an isolating pipeline (611);

a filtering pipeline (601) is arranged on one side of the connecting pipeline (9), a moving pipeline (602) is arranged on one side of the interior of the filtering pipeline (601), a limiting ring pipe (603) is arranged on the other side of the interior of the filtering pipeline (601), a filtering net (604) is arranged in the moving pipeline (602), rotating rods (605) are arranged at the top and the bottom of the filtering net (604), one end of each rotating rod (605) penetrates through the moving pipeline (602), and the other end of each rotating rod is rotatably connected with a limiting sleeve (606);

rectangular groove (607) have all been seted up with the bottom at the top of connecting tube (9), stop collar (606) set up in the inside of rectangular groove (607).

2. The water pump with filter screen limiting system of claim 1, wherein: the top of one group of the rotating rod (605) is fixedly connected with an adjusting handle (610), the tail end of the other group of the rotating rod (605) is in threaded connection with an adjusting rod (608), fixing plates (609) are arranged at two ends of the adjusting rod (608), and the fixing plates (609) are fixedly connected with the outer wall of the filtering pipeline (601).

3. The water pump with filter screen limiting system of claim 1, wherein: an isolation pipeline (611) is arranged at one end of the moving pipeline (602), and the isolation pipeline (611) is inserted into the filtering pipeline (601).

4. The water pump with filter screen limiting system of claim 1, wherein: and a limiting groove (612) is formed in the limiting ring pipe (603).

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