CN210317936U

CN210317936U - Water pump convenient to overhaul

Info

Publication number: CN210317936U
Application number: CN201920632477.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Hebei Tongda Pump Co Ltd
Current assignee: Hebei Tongda Pump Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-04-14
Anticipated expiration: 2029-05-05

Abstract

The utility model relates to the technical field of accessories of conveying equipment, in particular to a water pump convenient for maintenance, which can pretreat water, remove large granular substances in water to be conveyed and improve the practicability; the water pump comprises a working box, a water delivery pump structure and a cover plate, wherein a working cavity is arranged in the working box, the top end of the working cavity is communicated with a working port, and the left end and the right end of the working box are respectively communicated with an input pipe and an output pipe; still include the bottom plate, handle the case, the filter tube, two sets of guard boxes, two sets of direct current motor, two sets of axis of rotation and two sets of eccentric wheels, handle the incasement portion and be provided with the treatment chamber, treatment chamber top middle part intercommunication is provided with the conveyer pipe, it is provided with the outlet pipe to handle case right-hand member intercommunication, the intercommunication is provided with the multiunit hole that leaks on the filter tube, filter tube bottom intercommunication is provided with the contact tube, the inside guard cavity that all is provided with of two sets of guard boxes, two sets of axis of rotation all are provided with the bearing seal with linking.

Description

Water pump convenient to overhaul

Technical Field

The utility model relates to a technical field of conveying equipment auxiliary device especially relates to a water pump of convenient maintenance.

Background

As is well known, a water pump which is convenient to overhaul is a device used for conveying liquid and pressurizing the liquid, so that people can transport the liquid more conveniently, and the water pump is widely used in the field of conveying equipment; the existing water pump convenient to overhaul comprises a working box, a water delivery pump structure and a cover plate, wherein a working cavity is arranged in the working box, the top end of the working cavity is communicated with and provided with a working opening, the cover plate is covered on the working opening, the left end of the cover plate is rotatably connected with the left side of the top end of the working box, the bottom end of the water delivery pump structure is connected with the middle part of the inner bottom side wall of the working box, the left end and the right end of the working box are respectively communicated with and provided with an input pipe and an output pipe, the input pipe and the output pipe are respectively provided with an input valve and an output valve, the right end of the input pipe is communicated with the left input end of the water delivery; when the existing water pump convenient to overhaul is used, the device is firstly fixed at a proper position, the left end of an input pipe is communicated with an external pipeline for supplying water to be conveyed, a water conveying pump structure is electrically connected, the water conveying pump structure pressurizes the water and conveys the water to an output pipe, the right end of the output pipe is communicated with the external pipeline for conveying the water, and further the water is conveyed and pressurized, a working box can play a certain role in protecting the water conveying pump structure, a cover plate can enable a worker to overhaul the water conveying pump structure more conveniently, the water conveying pump structure is purchased, and the water conveying pump structure is electrically connected through a purchased instruction book when in use; the water pump that current convenient maintenance was in use discovers that to carry out the preliminary treatment to water, gets rid of the large granule material in the aquatic that needs the conveying and operates more inconveniently, leads to the water delivery pump structure to deteriorate more easily, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can carry out the preliminary treatment to water, get rid of the large granular substance of the aquatic that needs the conveying, improve a convenient water pump who overhauls of practicality.

The utility model discloses a water pump convenient for maintenance, including work box, water conveying pump structure and apron, the work box is inside to be provided with the working chamber, and communicate and be provided with the working mouth on the top of the working chamber, the apron lid is adorned on the working mouth, apron left end and work box top left side rotatable coupling, water conveying pump structure bottom links to each other with the bottom lateral wall middle part in the work box, work box left end and right-hand member communicate respectively and are provided with input tube and output tube, and be provided with input valve and output valve respectively on input tube and output tube, the input tube right-hand member communicates with water conveying pump structure left part input end, the output tube left end communicates with water conveying pump structure right-hand member output end; the device also comprises a bottom plate, a treatment box, a filter pipe, two groups of protection boxes, two groups of direct current motors, two groups of rotating shafts and two groups of eccentric wheels, wherein the bottom end of the working box is connected with the right side of the top end of the bottom plate, the bottom end of the treatment box is connected with the left side of the top end of the bottom plate, a treatment cavity is arranged inside the treatment box, the middle part of the top end of the treatment cavity is communicated with a conveying pipe, the right end of the treatment box is communicated with an outlet pipe, the right end of the outlet pipe is communicated with the left end of an input pipe, the bottom end of the filter pipe is connected with the middle part of the side wall of the inner bottom of the treatment box, a plurality of groups of water leakage holes are communicated on the filter pipe, the top ends and the bottom ends of the filter pipe are both communicated with filtering ports, the bottom end of the conveying pipe is communicated with the top end of, the two sets of protection incasement portions all are provided with the protection chamber, and two sets of direct current motor are placed respectively inside two sets of protection incasement portions, and two sets of direct current motor bottom output links to each other with two sets of axis of rotation tops respectively, and two sets of axis of rotation bottoms pass two sets of protection incasement bottom lateral walls respectively and link to each other with two sets of eccentric wheel top inboards respectively, and two sets of axis of rotation all are provided with the bearing seal with linking department of two sets of protection.

The utility model discloses a water pump convenient for maintenance, which also comprises a control panel, two sets of moving shafts, two sets of elastic springs and a limit plate, wherein the top ends of the two sets of moving shafts are respectively connected with the front side of the bottom end of the control panel and the rear side of the bottom end, the bottom ends of the two sets of moving shafts can respectively pass through the right front side of the top end of a cover plate and the right rear side of the top end of the cover plate and are respectively connected with the front side of the top end of the limit plate and the rear side of the top end of the limit plate, the two sets of elastic springs are respectively arranged on the outer side wall of the top end of the two sets of moving shafts in a surrounding manner, the top ends of the two sets of elastic springs are respectively connected with the front side of the bottom end of the control panel and the rear side of the bottom end, the bottom ends of the two sets of elastic springs are respectively connected with the right front side of the top end of the, the middle part of the limiting plate is communicated with a limiting hole, the limiting shaft is clamped inside the limiting hole, the locking spring is arranged on the outer side wall of the right end of the threaded rod in a surrounding mode, the left end of the locking spring is in contact with the top end of the right side of the working box, and the right end of the locking spring is in contact with the left end of the rotating block.

The utility model discloses a water pump of convenient maintenance still includes the carrying handle, and the carrying handle bottom links to each other with control panel top middle part.

The utility model discloses a water pump of convenient maintenance still includes the observation board, and apron left end intercommunication is provided with the viewing aperture, and the observation board is installed on the viewing aperture.

The utility model discloses a water pump of convenient maintenance, work box right side bottom middle part intercommunication is provided with the outlet pipe to be provided with the outlet valve on the outlet pipe.

Utility model's a water pump of convenient maintenance still includes the handle, and the handle bottom links to each other with apron top right side middle part.

The utility model discloses a water pump of convenient maintenance is provided with the rotation sand grip on the turning block lateral wall.

The utility model discloses a water pump of convenient maintenance still includes four group's landing legs and four group's universal wheels, and four group's landing leg tops link to each other with bottom plate bottom left front side, left rear side, right front side and right rear side respectively, and four group's universal wheels are rotatable the bottom of installing at four group's landing legs respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the water can be pretreated to remove large granular substances in water to be conveyed, the top end of the conveying pipe is communicated with a pipeline which provides water to the outside, the water enters the filter pipe through the conveying pipe, the filter pipe filters the water, larger granular substances in the water are left in the filter pipe, the water with the large granular substances removed enters the treatment box, finally, water flows into the input pipe through the outflow pipe to filter the water, the conveying pipe can be vibrated, the filter pipe is further vibrated to prevent small granular substances from being left on the filter pipe, the granular substances are moved to the bottom end of the filter pipe as far as possible, workers can conveniently clean the granular substances, the direct current motor is electrically connected, the direct current motor drives the rotating shaft to rotate, the rotating shaft drives the eccentric wheel to rotate, the wheel carries out periodic knocking eccentric action on the conveying pipe, and further vibrates the filter pipe, the filter tube is characterized in that the filter tube is provided with a filter tube, a shaft seal is arranged at the bottom end of the filter tube, a water body can be prevented from entering the inner part of the working box by the shaft seal, the direct current motor is purchased, and the direct current motor is electrically connected through a purchased instruction in use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is a schematic side view of the position limiting plate of the present invention;

in the drawings, the reference numbers: 1. a work box; 2. a water delivery pump structure; 3. a cover plate; 4. an input tube; 5. an output pipe; 6. a base plate; 7. a treatment tank; 8. a filter tube; 9. a protection box; 10. a direct current motor; 11. a rotating shaft; 12. an eccentric wheel; 13. a delivery pipe; 14. an outflow tube; 15. a water leakage hole; 16. a delivery pipe; 17. shaft sealing; 18. a control panel; 19. a movable shaft; 20. an elastic spring; 21. a limiting plate; 22. a limiting shaft; 23. a threaded rod; 24. rotating the block; 25. a locking spring; 26. a limiting hole; 27. a carrying handle; 28. an observation plate; 29. a water outlet pipe; 30. a handle; 31. rotating the convex strips; 32. a support leg; 33. a universal wheel.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the utility model discloses a water pump convenient for maintenance, including work box 1, water delivery pump structure 2 and cover plate 3, the inside of work box 1 is provided with the working chamber, and the working port is provided with in the working chamber top intercommunication, cover plate 3 lid is installed on the working port, cover plate 3 left end and work box 1 top left side rotatable coupling, water delivery pump structure 2 bottom is continuous with work box 1 bottom lateral wall middle part, work box 1 left end and right end communicate respectively and are provided with input tube 4 and output tube 5, and be provided with input valve and output valve on input tube 4 and output tube 5 respectively, input tube 4 right end and water delivery pump structure 2 left input end communicate, output tube 5 left end and water delivery pump structure 2 right end output end communicate; the device also comprises a bottom plate 6, a treatment box 7, a filter pipe 8, two groups of protection boxes 9, two groups of direct current motors 10, two groups of rotating shafts 11 and two groups of eccentric wheels 12, wherein the bottom end of the working box 1 is connected with the right side of the top end of the bottom plate 6, the bottom end of the treatment box 7 is connected with the left side of the top end of the bottom plate 6, a treatment cavity is arranged in the treatment box 7, a conveying pipe 13 is communicated with the middle part of the top end of the treatment cavity, an outlet pipe 14 is communicated with the right end of the treatment box 7, the right end of the outlet pipe 14 is communicated with the left end of an input pipe 4, the bottom end of the filter pipe 8 is connected with the middle part of the side wall of the inner bottom of the treatment box 7, a plurality of water leakage holes 15 are communicated on the filter pipe 8, filter holes are communicated with the top end and the bottom end of the filter pipe 8, the bottom end of the, the top ends of two groups of protection boxes 9 are respectively connected with the left inner top side wall and the right inner top side wall of the treatment box 7, protection cavities are arranged inside the two groups of protection boxes 9, two groups of direct current motors 10 are respectively placed inside the two groups of protection boxes 9, the output ends of the bottoms of the two groups of direct current motors 10 are respectively connected with the top ends of two groups of rotating shafts 11, the bottom ends of the two groups of rotating shafts 11 respectively penetrate through the inner bottom side walls of the two groups of protection boxes 9 and are respectively connected with the inner sides of the top ends of two groups of eccentric wheels 12, and shaft seals 17 are arranged at the; the water can be pretreated to remove large granular substances in water to be conveyed, the top end of the conveying pipe is communicated with a pipeline which provides water to the outside, the water enters the filter pipe through the conveying pipe, the filter pipe filters the water, larger granular substances in the water are left in the filter pipe, the water with the large granular substances removed enters the treatment box, finally, water flows into the input pipe through the outflow pipe to filter the water, the conveying pipe can be vibrated, the filter pipe is further vibrated to prevent small granular substances from being left on the filter pipe, the granular substances are moved to the bottom end of the filter pipe as far as possible, workers can conveniently clean the granular substances, the direct current motor is electrically connected, the direct current motor drives the rotating shaft to rotate, the rotating shaft drives the eccentric wheel to rotate, the wheel carries out periodic knocking eccentric action on the conveying pipe, and further vibrates the filter pipe, the filter tube is characterized in that the filter tube is provided with a filter tube, a shaft seal is arranged at the bottom end of the filter tube, a water body can be prevented from entering the inner part of the working box by the shaft seal, the direct current motor is purchased, and the direct current motor is electrically connected through a purchased instruction in use.

The utility model discloses a water pump of convenient maintenance, still include control panel 18, two sets of removal axle 19, two sets of elastic spring 20 and limiting plate 21, two sets of 19 tops of removal axle link to each other with 18 bottom front sides of control panel and bottom rear side respectively, two sets of 19 bottoms of removal axle can be portable respectively and pass 3 top right front sides of apron and top right rear side and all stretch into 1 inside of work box and link to each other with limiting plate 21 top front side and top rear side respectively, two sets of elastic spring 20 encircle the setting respectively on two sets of 19 top lateral walls of removal axle, two sets of elastic spring 20 tops link to each other with 18 bottom front sides of control panel and bottom rear side respectively, two sets of elastic spring 20 bottoms link to each other with 3 top right front sides of apron and top right rear side respectively, still include spacing axle 22, threaded rod 23, turning block 24 and locking spring 25, threaded rod 23 right-hand member links to each other with 24 left-hand ends of turning block, threaded rod 23 left-hand end spiral shell dress passes 1 right side top of work box and the middle part of the limiting plate 21 is communicated with a limiting hole 26, the limiting shaft 22 is clamped in the limiting hole 26, the locking spring 25 is arranged on the outer side wall of the right end of the threaded rod 23 in a surrounding mode, the left end of the locking spring 25 is in contact with the top end of the right side of the working box 1, and the right end of the locking spring 25 is in contact with the left end of the rotating block 24; the cover plate can be locked, so that the cover plate can be stably covered on the working box, firstly, a worker rotates the rotating block to enable the threaded rod to drive the limiting shaft to move rightwards, the cover plate is covered on the working box, the worker presses the control plate to enable the moving shaft to move up and down on the cover plate, meanwhile, the worker rotates the rotating block to enable the threaded rod to drive the limiting shaft to move leftwards, the limiting shaft is clamped in the limiting hole, the worker continuously rotates the rotating block to enable the limiting shaft to penetrate through the limiting plate, the limiting shaft is clamped on the limiting plate to fix the cover plate, the limiting shaft rotates along with the left and right movement, but the limiting shaft does not influence the clamping in the limiting plate when rotating, the locking spring has certain tension, the threaded rod can be stably fixed at one position, when the cover plate is opened again, the cover plate can be opened only by moving the limiting shaft out of the limiting plate.

The water pump convenient to overhaul also comprises a lifting handle 27, the bottom end of the lifting handle 27 is connected with the middle part of the top end of the control panel 18; the lifting handle can make the control panel more convenient for the staff.

The water pump convenient to overhaul also comprises an observation plate 28, the left end of the cover plate 3 is communicated with an observation port, and the observation plate 28 is arranged on the observation port; the observation plate can enable workers to more conveniently see the condition inside the work box.

The utility model discloses a water pump convenient for maintenance, the middle part of the bottom end of the right side of a working box 1 is communicated with a water outlet pipe 29, and the water outlet pipe 29 is provided with a water outlet valve; when the water conveying pump structure runs out of water, water can be stored in the working tank, and the water outlet pipe can help workers to discharge the water in the working tank more conveniently.

The water pump convenient to overhaul also comprises a handle 30, the bottom end of the handle 30 is connected with the middle part of the right side of the top end of the cover plate 3; the handle can make the staff more convenient control apron.

The utility model relates to a water pump convenient for maintenance, the outer side wall of the rotating block 24 is provided with a rotating raised line 31; the rotation sand grip can make the staff more convenient when the control turning block.

The water pump convenient to overhaul further comprises four groups of supporting legs 32 and four groups of universal wheels 33, the top ends of the four groups of supporting legs 32 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the bottom plate 6, and the four groups of universal wheels 33 are respectively rotatably arranged at the bottom ends of the four groups of supporting legs 32; the supporting legs and the universal wheels are matched with each other, so that the device is more convenient to move.

The utility model relates to a water pump convenient for maintenance, which firstly fixes the device at a proper position during operation, electrically connects the water delivery pump structure, the water delivery pump structure boosts water and transmits the water to the output pipe, the right end of the output pipe is communicated with the pipeline for transmitting water from the outside, and further transmits the boosting action to the water, the work box can play a certain protection role to the water delivery pump structure, the cover plate can make the staff more convenient to maintain the water delivery pump structure, can pretreat the water, remove large granular substances in the water to be transmitted, the top end of the delivery pipe is communicated with the pipeline for supplying water from the outside, the water enters the filter pipe through the delivery pipe, the filter pipe filters the water, the larger granular substances in the water are left in the filter pipe, the water without the large granular substances enters the treatment box, finally, the water body flows into the input through the outflow pipe, the water is filtered, the conveying pipe can be vibrated at the same time, the filtering pipe is further vibrated, small granular substances are prevented from remaining on the filtering pipe, the granular substances are moved into the bottom end of the filtering pipe as far as possible, workers can clean the granular substances conveniently, the direct current motor is electrically connected, the direct current motor drives the rotating shaft to rotate, the rotating shaft drives the eccentric wheel to rotate, the eccentric wheel carries out periodic knocking action on the conveying pipe, the filtering pipe is further vibrated, the granular substances are moved into the bottom end of the filtering pipe as far as possible, the shaft seal can prevent water from entering the interior of the working box, the cover plate can be locked, the cover plate can be stably covered on the working box, firstly, the workers rotate the rotating block, the threaded rod drives the limiting shaft to move rightwards, the cover plate is covered on the working box, and the workers press the control plate, the movable shaft moves up and down on the cover plate, meanwhile, a worker rotates the rotating block to enable the threaded rod to drive the limiting shaft to move leftwards, the limiting shaft is clamped inside the limiting hole, the worker continues to rotate the rotating block to enable the limiting shaft to penetrate through the limiting plate, the limiting shaft is clamped on the limiting plate and fixes the cover plate, the limiting shaft rotates along with the left and right movement of the limiting shaft, the limiting shaft does not influence the clamping inside the limiting plate when moving, the locking spring has certain tension and can enable the threaded rod to be stably fixed at one position, when the cover plate is opened again, the limiting shaft only needs to be moved out of the limiting plate to open the cover plate, the lifting handle can enable the worker to control the control plate more conveniently, the observation plate can enable the worker to see the condition inside the work box more conveniently, when the water delivery pump structure runs out, the inside water that can store of work box, the outlet pipe can help the more convenient water with the work box inside of staff to put out, the handle can make the more convenient control apron of staff, it is more convenient when controlling the turning block to rotate the sand grip and can make the staff, landing leg and universal wheel interact, can make the device more convenient when removing, water delivery pump structure and DC motor all purchase, and water delivery pump structure and DC motor all carry out the electricity through the instruction manual of buying together when using and connect.

The utility model discloses a water pump of convenient maintenance, it is above the mounting means, the connected mode or the mode that sets up of all parts are welding, riveting or other common mechanical system, wherein can slide/rotate fixedly promptly for slide/not dropping under the rotation state, seal when sealed intercommunication is two connecting pieces intercommunications promptly, and concrete structure, model and the coefficient index of its all parts are its from taking the technique, as long as can reach all can implementing of its beneficial effect, the event is not adding the perusal more.

The water pump convenient for maintenance of the utility model, under the condition of not being described reversely, the directional words contained in the terms of 'up-down, left-right, front-back, inside-outside, vertical and horizontal' and the like only represent the direction of the term under the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, 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 also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A water pump convenient to overhaul comprises a working box (1), a water delivery pump structure (2) and a cover plate (3), wherein a working cavity is arranged inside the working box (1), a working opening is formed in the top end of the working cavity in a communicated mode, the cover plate (3) is covered on the working opening, the left end of the cover plate (3) is rotatably connected with the left side of the top end of the working box (1), the bottom end of the water delivery pump structure (2) is connected with the middle part of the side wall of the inner bottom of the working box (1), the left end and the right end of the working box (1) are respectively provided with an input pipe (4) and an output pipe (5) in a communicated mode, the input pipe (4) and the output pipe (5) are respectively provided with an input valve and an output valve, the right end of the input pipe (4) is communicated with the left input end of the water delivery pump structure (2); it is characterized by also comprising a bottom plate (6), a treatment box (7), a filter pipe (8), two groups of protection boxes (9), two groups of direct current motors (10), two groups of rotating shafts (11) and two groups of eccentric wheels (12), wherein the bottom end of a working box (1) is connected with the right side of the top end of the bottom plate (6), the bottom end of the treatment box (7) is connected with the left side of the top end of the bottom plate (6), a treatment cavity is arranged in the treatment box (7), the middle part of the top end of the treatment cavity is communicated with a conveying pipe (13), the right end of the treatment box (7) is communicated with an outflow pipe (14), the right end of the outflow pipe (14) is communicated with the left end of an input pipe (4), the bottom end of the filter pipe (8) is connected with the middle part of the inner bottom side wall of the treatment box (7), a plurality of water leakage holes (15) are communicated with the filter pipe (8), the top, the bottom end of the filter pipe (8) is communicated with a delivery pipe (16), the delivery pipe (16) is provided with a delivery valve, the bottom end of the delivery pipe (16) penetrates through the inner bottom side wall of the treatment box (7) and penetrates through the left side of the top end of the bottom plate (6), the top ends of the two groups of protection boxes (9) are respectively connected with the inner top left side wall and the inner top right side wall of the treatment box (7), protection cavities are respectively arranged inside the two groups of protection boxes (9), the two groups of direct current motors (10) are respectively placed inside the two groups of protection boxes (9), the bottom output ends of the two groups of direct current motors (10) are respectively connected with the top ends of the two groups of rotating shafts (11), the bottom ends of the two groups of rotating shafts (11) respectively penetrate through the inner bottom side wall of the two groups of protection boxes (9) and are respectively connected with the inner sides of the top ends.

2. The water pump convenient for maintenance according to claim 1, further comprising a control plate (18), two sets of moving shafts (19), two sets of elastic springs (20) and a limit plate (21), wherein the top ends of the two sets of moving shafts (19) are respectively connected with the front side of the bottom end and the rear side of the bottom end of the control plate (18), the bottom ends of the two sets of moving shafts (19) respectively penetrate through the front side of the top end and the rear side of the top end of the cover plate (3) in a movable manner and respectively extend into the working box (1) to be respectively connected with the front side of the top end and the rear side of the top end of the limit plate (21), the two sets of elastic springs (20) are respectively arranged on the outer side walls of the top ends of the two sets of moving shafts (19) in a surrounding manner, the top ends of the two sets of elastic springs (20) are respectively connected with the front side of the bottom end and the rear side of the bottom end, still include spacing axle (22), threaded rod (23), turning block (24) and locking spring (25), threaded rod (23) right-hand member links to each other with turning block (24) left end, threaded rod (23) left end spiral shell dress passes work box (1) right side top and stretches into work box (1) inside and spacing axle (22) right-hand member and links to each other, limiting plate (21) middle part intercommunication is provided with spacing hole (26), spacing axle (22) clamp inside spacing hole (26), locking spring (25) encircle and set up on threaded rod (23) right-hand member lateral wall, locking spring (25) left end and work box (1) right side top contact, locking spring (25) right-hand member and turning block (24) left end contact.

3. The water pump convenient for maintenance as claimed in claim 2, further comprising a handle (27), wherein the bottom end of the handle (27) is connected with the middle part of the top end of the control plate (18).

4. The water pump convenient to overhaul as claimed in claim 3, further comprising an observation plate (28), wherein the left end of the cover plate (3) is provided with an observation port in a communication manner, and the observation plate (28) is mounted on the observation port.

5. The water pump convenient for overhauling as claimed in claim 4, wherein the middle part of the bottom end of the right side of the working box (1) is communicated with a water outlet pipe (29), and the water outlet pipe (29) is provided with a water outlet valve.

6. The water pump convenient to overhaul as claimed in claim 5, further comprising a handle (30), wherein the bottom end of the handle (30) is connected with the middle part of the right side of the top end of the cover plate (3).

7. An easy-to-service water pump as claimed in claim 6, wherein the outer side wall of the rotating block (24) is provided with a rotating rib (31).

8. The water pump convenient for maintenance as claimed in claim 7, further comprising four sets of legs (32) and four sets of universal wheels (33), wherein the top ends of the four sets of legs (32) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the bottom plate (6), and the four sets of universal wheels (33) are respectively rotatably mounted at the bottom ends of the four sets of legs (32).