CN110374834A

CN110374834A - A kind of water pump

Info

Publication number: CN110374834A
Application number: CN201910650641.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Changsha Ruyang Environmental Protection Technology Co Ltd
Current assignee: Zhejiang kepeida Pump Co.,Ltd.
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2019-10-25
Anticipated expiration: 2039-07-18
Also published as: CN110374834B

Abstract

The present invention relates to liquid transporting apparatus field, specifically a kind of water pump, including including bottom plate, pump body structure, wire-rewinding structure, anti-break structure, anti-blockage structure and cleaning structure；By the way that wire-rewinding structure is arranged on the top of pump body structure, the storage for carrying out water pump electric wire can be facilitated, to there is no specific position to carry out the case where storage causes electric wire at random or damages due to water pump electric wire, both the storage of water pump electric wire had been facilitated, facilitate the storage of hand pump again, and the work for passing through wire-rewinding structure, it can also drive and prevent that breaking structure works, pass through the anti-work for breaking structure, it can be when human body be stumbled to electric wire, electric wire is clamped fixation, so as to prevent electric wire from directly being broken, it avoids since the case where causing electric leakage is broken in power lug, the fixation of i.e. increased electric wire, there is increased security performance.

Description

A kind of water pump

Technical field

The present invention relates to liquid transporting apparatus field, specifically a kind of water pump.

Background technique

Water pump is the machinery for conveying liquid or being pressurized liquid.It transmits the mechanical energy of prime mover or other external energies To liquid, increase liquid energy, is mainly used to convey liquid to include water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid gold Belong to etc..Also liquid, admixture of gas and the liquid containing suspended solids be can transport.The technical parameter of pump performance have flow, Suction, lift, shaft power, water power, efficiency etc.；The types such as volume water pump, vane pump can be divided into according to different working principles. Positive displacement pump is to transmit energy using the variation of its swept volume of a single chamber；Vane pump be using the interaction of rotary vane and water come Energy is transmitted, there are the types such as centrifugal pump, axial-flow pump and mixed-flow pump.

Some water pumps for the pollution of river it is heavier, sundries is more, and water pump electric wire is located on the biggish road of flow of the people When, the sundries inside river can often result in the blocking of water pump, seriously affect the normal use of water pump, and since water pump electric wire is spread It is located on road, will cause crowd and accidentally stumble, when strength is larger, is likely to result in electric wire and water pump is detached from, will result in electric leakage danger Danger.

Summary of the invention

For the problems of the prior art, the present invention provides a kind of water pumps.

The technical solution adopted by the present invention to solve the technical problems is: a kind of water pump, including bottom plate, pump body structure, receipts Cable architecture prevents breaking structure, anti-blockage structure and cleaning structure, for playing fixed support and installing described in other components The top of bottom plate is connected with the pump body structure for drawing water；It is connected in the pump body structure away from one end of the bottom plate For the wire-rewinding structure of containing electric wire, in being internally connected with for preventing from stumbling to electric wire by pulling wire for the wire-rewinding structure It is disconnected described anti-to break structure；It is connected in the low side of the pump body structure for preventing the described anti-of the pump body structure blocking Blockage structure, in the cleaning structure of the anti-blockage structure being externally connected to for clearing up cotton-shaped rubbish.

Specifically, the pump body structure includes support rod, water jacket, fixed plate, outlet pipe, pump body and top cover, the support There are two bar is set, two support rods are fixed on the top of the bottom plate in symmetric relation, deviate from two support rods One end of the bottom plate is fixedly connected with the fixed plate, is fixed with the water close to one end of the bottom plate in the fixed plate Set is fixed with the outlet pipe away from one end of the water jacket in the fixed plate, in the fixed plate away from the water jacket One end is fixedly connected with the pump body, is fixedly connected with the top cover in the described one end carried on the body from the fixed plate that pumps.

Specifically, the wire-rewinding structure include take-up set, filtration hole, take-up column, torque spring, foam-rubber cushion, alignment slot and Partition, the take-up set are fixed on the top cover away from one end of the pump body, are equipped with multiple filters at the top cover both ends Water hole is connected with the take-up column in the inner rotation of the top cover, is equipped with " U "-shaped structure in the inside of the take-up column The alignment slot is fixed with the partition for being connected with circular ring shape in the outside of the take-up column, in the inside of take-up set Be connected with the foam-rubber cushion, in the torque spring that is externally connected to of the take-up column, and one end of the torque spring with The take-up column is fixedly connected, and the other end of the torque spring and take-up set connect.

Specifically, it is described it is anti-break structure include outlet-pipe, fixing sleeve, sponges cover, limiting slot, pull rod, gear, clamping plate, Fixed spring, rack gear and sliding slot, the outlet-pipe of arc are fixedly connected on the top of the take-up set, the top of the take-up set End is fixed with the fixing sleeve, has the sponges cover in the internal sizes of the fixing sleeve, in the external fixed of the take-up column There is the gear, and the gear and take-up set are rotatablely connected, is connected with the tooth in the internal slide of take-up set Item, and the gear and rack gear engagement, are connected in the internal slide of take-up set and the fixing sleeve in inverse-T-shaped The clamping plate of structure is fixedly connected with the fixed spring between the clamping plate and take-up set, in the take-up set It is equipped with the L-shaped limiting slot, the sliding slot of kidney-shaped structure is equipped on the rack gear, and in the sliding slot and institute The internal slide for stating limiting slot is connected with the pull rod.

Specifically, the anti-blockage structure includes filter screen, scraper plate, sponge plate, shaft and impeller, the filter screen is fixed Deviate from one end of the fixed plate in the water jacket, the filter screen inner rotation be connected in " in " institute of character form structure Shaft is stated, multiple impellers are distributed in the external circular array of the shaft, in the perpendicular pass in the outside of the shaft System is fixedly connected with the L-shaped scraper plate, is fixed with the sponge plate close to one end of the filter screen in the scraper plate.

Specifically, the cleaning structure includes connecting rod, vertical bar, the first interception bar and the second interception bar, the connecting rod Perpendicular relationship is fixed on one end of the scraper plate, in the connecting rod away from the fixed institute of the perpendicular relationship in one end of the scraper plate Vertical bar is stated, multiple described first is linearly fixed in the outside of the vertical bar and intercepts bar, in the outside that described first intercepts bar It is linearly distributed with multiple described second and intercepts bar.

Beneficial effects of the present invention:

(1) a kind of water pump of the present invention can facilitate progress by the way that wire-rewinding structure is arranged on the top of pump body structure The storage of water pump electric wire, thus will not have due to water pump electric wire specific position carry out storage cause electric wire at random or damage Situation, had not only facilitated the storage of water pump electric wire, but also the work for facilitating the storage of hand pump, and passing through wire-rewinding structure, additionally it is possible to drive anti- It breaks structure to work, by the anti-work for breaking structure, can be clamped electric wire solid when human body is stumbled to electric wire It is fixed, so as to prevent electric wire from directly being broken, avoid since the case where causing electric leakage, i.e., increased electricity are broken in power lug The fixation of line has increased security performance.

(2) a kind of water pump of the present invention, by fixing torsion bullet outside the take-up column for winding containing electric wire Spring can be acted on by the elastic force of torque spring and electric wire is automatically wound storage without using electric wire wire, when by electric wire Position determine after, only pull rod need to be slid into the vertical slot of limiting slot, rack and pinion is engaged at this time, when someone miss When stumbling to electric wire, it just will pull take-up column and rotated, take-up column is during rotation, it will be able to band carry-over bar squeezing splints, Electric wire can be clamped fixation by clamping plate, and electric wire at this time pulls power only in one section be clamped, not will cause electric wire with Water pump junction is pullled, and causes electric wire to fall off with water pump to electric wire since people accidentally stumbles to just can be avoided, it will be able to reduce The harm of electric leakage.

(3) a kind of water pump of the present invention is installed anti-blockage structure by the low side in pump body structure, be can be avoided miscellaneous Object blocks water pump, so as to guarantee the normal use of water pump, and is able to drive cleaning while work in anti-blockage structure Structure works, and by clearing up the work of structure, can be avoided the inside that cotton-shaped sundries enters anti-blockage structure, i.e., by clear The work of reason structure can react on anti-blockage structure again, keep the working effect of anti-blockage structure more preferable.

(4) a kind of water pump of the present invention, filter screen inner rotation be connected in " in " shaft of character form structure, The multiple impellers being distributed in a ring by the external installation in shaft, when the inside of filter screen has water flow to pass through, it will be able to logical Crossing impeller drives shaft to be rotated, and passes through the rotation of shaft, it will be able to drive the scraper plate of L-shaped structure in the outer of filter screen Portion's rotation, so as to which the rubbish outside filter screen is timely cleared up, so as to avoid sundries from blocking filter screen, and Bar and second is intercepted by be fixed in connecting rod first and intercepts bar, the cotton-shaped rubbish outside filter screen can be carried out clear Reason, avoids cotton-shaped rubbish from entering the inside of water pump, causes the damage of water pump.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is a kind of integrally-built structural schematic diagram of preferred embodiment of water pump provided by the invention；

Fig. 2 is the portion A shown in FIG. 1 enlarged diagram；

Fig. 3 is the portion B shown in FIG. 1 enlarged diagram；

Fig. 4 is the attachment structure schematic diagram of take-up column and gear shown in Fig. 2；

Fig. 5 is that take-up shown in FIG. 1 covers and prevent breaking the attachment structure schematic diagram of structure；

Fig. 6 is the portion C shown in fig. 5 enlarged diagram；

Fig. 7 is the structural schematic diagram of anti-blockage structure shown in FIG. 1.

In figure: 1, bottom plate, 2, pump body structure, 21, support rod, 22, water jacket, 23, fixed plate, 24, outlet pipe, 25, pump body, 26, top cover, 3, wire-rewinding structure, 31, take-up set, 32, filtration hole, 33, take-up column, 34, torque spring, 35, foam-rubber cushion, 36, fixed Wire casing, 37, partition, 4, it is anti-break structure, 41, outlet-pipe, 42, fixing sleeve, 43, sponges cover, 44, limiting slot, 45, pull rod, 46, Gear, 47, clamping plate, 48, fixed spring, 49, rack gear, 49a, sliding slot, 5, anti-blockage structure, 51, filter screen, 52, scraper plate, 53, Sponge plate, 54, shaft, 55, impeller, 6, cleaning structure, 61, connecting rod, 62, vertical bar, 63, first intercepts bar, and 64, second intercepts Bar.

Specific embodiment

In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is further explained.

As shown in Fig. 1-Fig. 7, a kind of water pump of the present invention, including bottom plate 1, pump body structure 2, wire-rewinding structure 3, anti-drawing Disconnected structure 4, anti-blockage structure 5 and cleaning structure 6, for playing the fixed bottom plate 1 for supporting and installing other components Top is connected with the pump body structure 2 for drawing water；It is useful away from the connection of one end of the bottom plate 1 in the pump body structure 2 In the wire-rewinding structure 3 of containing electric wire, in being internally connected with for preventing from stumbling to electric wire by pulling wire for the wire-rewinding structure 3 It is disconnected described anti-to break structure 4；The institute for preventing the pump body structure 2 from blocking is connected in the low side of the pump body structure 2 Anti-blockage structure 5 is stated, in the cleaning structure 6 of the anti-blockage structure 5 being externally connected to for clearing up cotton-shaped rubbish.

Specifically, the pump body structure 2 includes support rod 21, water jacket 22, fixed plate 23, outlet pipe 24, pump body 25 and top Lid 26, there are two the support rod 21 is set, two support rods 21 are fixed on the top of the bottom plate 1 in symmetric relation, Two support rods 21 are fixedly connected with the fixed plate 23 away from one end of the bottom plate 1, close in the fixed plate 23 One end of the bottom plate 1 is fixed with the water jacket 22, is fixed in one end that the fixed plate 23 deviates from the water jacket 22 described Outlet pipe 24 is fixedly connected with the pump body 25 away from one end of the water jacket 22 in the fixed plate 23, in the pump body 25 It is fixedly connected with the top cover 26 away from one end of the fixed plate 23, when in use, first by the outlet pipe 24 and outside Water pipe is attached, then water pump is put into the inside in river again, when inserting the electric wire being electrically connected with water pump with outside When seat connection, water pump works, it will be able to enter the water inside river in the water jacket 22 by the filter screen 51 Then portion is discharged from the outlet pipe 24 again.

Specifically, the wire-rewinding structure 3 includes that take-up covers 31, filtration hole 32, take-up column 33, torque spring 34, foam-rubber cushion 35, alignment slot 36 and partition 37, the take-up set 31 are fixed on the top cover 26 away from one end of the pump body 25, on the top 26 both ends of lid are equipped with multiple filtration holes 32, the take-up column 33 are connected in the inner rotation of the top cover 26, described The inside of take-up column 33 is equipped with the alignment slot 36 of " U "-shaped structure, is fixed with and is connected in the outside of the take-up column 33 The partition 37 of circular ring shape is internally connected with the foam-rubber cushion 35 in take-up set 31, in the outer of the take-up column 33 Portion is connected with the torque spring 34, and one end of the torque spring 34 is fixedly connected with the take-up column 33, the torsion The other end of spring 34 is connect with take-up set 31, is fixed with the receipts for containing electric wire on the top of the top cover 26 Line set 31 is equipped with multiple filtration holes 32 at the both ends of take-up set 31, for the take-up to be covered to the product inside 31 Water timely excludes, and is connected with the take-up column 33 in the inner rotation of take-up set 31, can be used in carrying out twining for electric wire Around storage, and the alignment slot 36 by being equipped with " U "-shaped structure on the take-up column 33, electric wire can be subjected to both-end It is fixed, and the partition 37 by being fixed on 33 middle position of take-up column, can facilitate the releasing for carrying out both-end line and Storage, can be by described by fixing the torque spring 34 outside the take-up column 33 for winding containing electric wire The elastic force of torque spring 34 is acted on without using electric wire is automatically wound storage when electric wire.

Specifically, it is described it is anti-break structure 4 include outlet-pipe 41, fixing sleeve 42, sponges cover 43, limiting slot 44, pull rod 45, The outlet-pipe 41 of gear 46, clamping plate 47, fixed spring 48, rack gear 49 and sliding slot 49a, arc are fixedly connected on the take-up The top on the top of set 31, the take-up set 31 is fixed with the fixing sleeve 42, has institute in the internal sizes of the fixing sleeve 42 Sponges cover 43 is stated, is fixed with the gear 46 in the outside of the take-up column 33, and the gear 46 and the take-up cover 31 turns Dynamic connection is connected with the rack gear 49 in the internal slide of take-up set 31, and the gear 46 and the rack gear 49 engage, It is connected with the clamping plate 47 in inverse-T-shaped structure in the internal slide of take-up set 31 and the fixing sleeve 42, described It is fixedly connected with the fixed spring 48 between clamping plate 47 and take-up set 31, is equipped on take-up set 31 L-shaped The limiting slot 44, the sliding slot 49a of kidney-shaped structure is equipped on the rack gear 49, and in the sliding slot 49a and described The internal slide of limiting slot 44 is connected with the pull rod 45, only need to be sliding by the pull rod 45 after determining the position of electric wire It moves into the vertical slot of the limiting slot 44, the rack gear 49 and the gear 46 are engaged at this time, when someone accidentally stumbles to electric wire When, it just will pull the take-up column 33 and rotated, the take-up column 33 is during rotation, it will be able to drive the rack gear 49 The clamping plate 47 is squeezed, electric wire can be clamped fixation by the clamping plate 47, and electric wire at this time is pullled power and is only being clamped One section, not will cause pullling for electric wire and water pump junction, cause electric wire to electric wire since people accidentally stumbles to just can be avoided It falls off with water pump, it will be able to reduce the harm of electric leakage.

Specifically, the anti-blockage structure 5 includes filter screen 51, scraper plate 52, sponge plate 53, shaft 54 and impeller 55, institute It states filter screen 51 and is fixed on one end that the water jacket 22 deviates from the fixed plate 23, connected in the inner rotation of the filter screen 51 Have in " in " shaft 54 of character form structure, multiple impellers are distributed in the external circular array of the shaft 54 55, it is fixedly connected with the L-shaped scraper plate 52 in the perpendicular relationship in outside of the shaft 54, it is close in the scraper plate 52 One end of the filter screen 51 is fixed with the sponge plate 53, after water flow is inhaled into the inside of the filter screen 51, described The inner rotation of filter screen 51 be connected in " in " shaft 54 of character form structure, pass through the external installation in the shaft 54 The multiple impellers 55 being distributed in a ring, when the inside of the filter screen 51 has water flow to pass through, it will be able to pass through the leaf Wheel 55 drives the shaft 54 to be rotated, and passes through the rotation of the shaft 54, it will be able to the described of L-shaped structure be driven to scrape Plate 52 is rotated in the external of the filter screen 51, so as to which the rubbish outside the filter screen 51 is timely cleared up, So as to avoid sundries from blocking the filter screen 51.

Specifically, the cleaning structure 6 includes connecting rod 61, the interception bar 63 of vertical bar 62, first and the second interception bar 64, institute One end that the perpendicular relationship of connecting rod 61 is fixed on the scraper plate 52 is stated, deviates from one end of the scraper plate 52 in the connecting rod 61 The fixed vertical bar 62 of perpendicular relationship is linearly fixed with multiple described first in the outside of the vertical bar 62 and intercepts bar 63, Multiple described second are linearly distributed in the outside of the first interception bar 63 and intercepts bar 64, by being fixed on the connecting rod Described first on 61, which intercepts bar 63 and described second, intercepts bar 64, can carry out the cotton-shaped rubbish outside the filter screen 51 Cleaning, avoids cotton-shaped rubbish from entering the inside of water pump, causes the damage of water pump.

When in use, outlet pipe 24 is attached first with outer water tube, then water pump is put into the inside in river again, When by connecting with the electric wire that water pump is electrically connected with external receptacle, water pump works, it will be able to inside river Water enters the inside of water jacket 22 by filter screen 51, is then discharged again from outlet pipe 24；It is fixed with and is used on the top of top cover 26 The take-up set 31 of containing electric wire is equipped with multiple filtration holes 32 at the both ends of take-up set 31, for take-up to be covered to the product inside 31 Water timely excludes, and is connected with take-up column 33 in the inner rotation of take-up set 31, can be used in the winding storage for carrying out electric wire, and By being equipped with the alignment slot 36 of " U "-shaped structure on take-up column 33, electric wire can be subjected to both-end and fixed, and by being fixed on The partition 37 in 33 middle position of take-up column can facilitate the releasing and storage for carrying out both-end line, by for winding storage electricity Torque spring 34 is fixed outside the take-up column 33 of line, it is automatic when can be acted on by the elastic force of torque spring 34 without using electric wire Electric wire is wound to storage；After determining the position of electric wire, pull rod 45 need to only be slid into the vertical slot of limiting slot 44 In, this hour rack 49 and gear 46 are engaged, and when someone accidentally stumbles to electric wire, just be will pull take-up column 33 and are rotated, receive Terminal 33 is during rotation, it will be able to and electric wire can be clamped fixation by band 49 squeezing splints 47 of carry-over bar, clamping plate 47, Electric wire at this time pulls power only in one section be clamped, not will cause pullling for electric wire and water pump junction, to can keep away Exempt to cause electric wire to fall off with water pump to electric wire since people accidentally stumbles, it will be able to reduce the harm of electric leakage；When water flow is inhaled into filter screen Behind 51 inside, filter screen 51 inner rotation be connected in " in " shaft 54 of character form structure, by the outer of shaft 54 The multiple impellers 55 being distributed in a ring are installed in portion, when the inside of filter screen 51 has water flow to pass through, it will be able to pass through 55 band of impeller Turn axis 54 is rotated, and the rotation of shaft 54 is passed through, it will be able to drive the scraper plate 52 of L-shaped structure in the outer of filter screen 51 Portion's rotation, so as to timely be cleared up the rubbish outside filter screen 51, so as to avoid sundries from blocking filter screen 51；The perpendicular relationship of connecting rod 61 is fixed on one end of scraper plate 52, deviates from the perpendicular relationship in one end of scraper plate 52 in connecting rod 61 Fixed vertical bar 62 is linearly fixed with multiple first in the outside of vertical bar 62 and intercepts bar 63, is in the outside of the first interception bar 63 Linear distribution has multiple second to intercept bar 64, intercepts bar 63 and second by be fixed in connecting rod 61 first and intercepts bar 64, Cotton-shaped rubbish outside filter screen 51 can be cleared up, avoid cotton-shaped rubbish from entering the inside of water pump, cause the damage of water pump It is bad.

The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent Object defines.

Claims

1. a kind of water pump, it is characterised in that: including bottom plate (1), pump body structure (2), wire-rewinding structure (3), it is anti-break structure (4), Anti-blockage structure (5) and cleaning structure (6), for playing the top of fixed support and the bottom plate (1) for installing other components End is connected with the pump body structure (2) for drawing water；It is connected in the pump body structure (2) away from the one end of the bottom plate (1) There is the wire-rewinding structure (3) for containing electric wire, in being internally connected with for preventing from stumbling to electric wire for the wire-rewinding structure (3) Described anti-structure (4) are broken for what electric wire was broken；It is connected in the low side of the pump body structure (2) for preventing the pump housing knot The anti-blockage structure (5) of structure (2) blocking, in being externally connected to for clearing up cotton-shaped rubbish for the anti-blockage structure (5) The cleaning structure (6).

2. a kind of water pump according to claim 1, it is characterised in that: the pump body structure (2) includes support rod (21), water (22), fixed plate (23), outlet pipe (24), pump body (25) and top cover (26) are covered, there are two the support rod (21) sets, two institutes The top that support rod (21) are fixed on the bottom plate (1) in symmetric relation is stated, deviates from the bottom in two support rods (21) One end of plate (1) is fixedly connected with the fixed plate (23), fixes in the fixed plate (23) close to the one end of the bottom plate (1) There are the water jacket (22), is fixed with the outlet pipe (24) away from the one end of the water jacket (22) in the fixed plate (23), The fixed plate (23) is fixedly connected with the pump body (25) away from the one end of the water jacket (22), deviates from the pump body (25) One end of the fixed plate (23) is fixedly connected with the top cover (26).

3. a kind of water pump according to claim 2, it is characterised in that: the wire-rewinding structure (3) includes take-up set (31), filter Water hole (32), take-up column (33), torque spring (34), foam-rubber cushion (35), alignment slot (36) and partition (37), the take-up set (31) top cover (26) are fixed on away from one end of pump body (25), are equipped with multiple filters at the top cover (26) both ends Water hole (32) is connected with the take-up column (33) in the inner rotation of the top cover (26), in the inside of the take-up column (33) The alignment slot (36) equipped with " U "-shaped structure, the institute for being connected with circular ring shape is fixed in the outside of the take-up column (33) Partition (37) are stated, the foam-rubber cushion (35) are internally connected in the take-up set (31), in the outside of the take-up column (33) It is connected with the torque spring (34), and one end of the torque spring (34) is fixedly connected with the take-up column (33), it is described The other end of torque spring (34) is connect with the take-up set (31).

4. a kind of water pump according to claim 3, it is characterised in that: it is described it is anti-break structure (4) include outlet-pipe (41), Fixing sleeve (42), sponges cover (43), limiting slot (44), pull rod (45), gear (46), clamping plate (47), fixed spring (48), rack gear (49) and sliding slot (49a), the outlet-pipe (41) of arc are fixedly connected on the top of the take-up set (31), the take-up set (31) top is fixed with the fixing sleeve (42), has the sponges cover (43) in the internal sizes of the fixing sleeve (42), The outside of the take-up column (33) is fixed with the gear (46), and the gear (46) and the take-up set (31) rotation connect It connects, is connected with the rack gear (49) in the internal slide of the take-up set (31), and the gear (46) and the rack gear (49) Engagement, is connected with the clamping plate in inverse-T-shaped structure in the internal slide of the take-up set (31) and the fixing sleeve (42) (47), the fixed spring (48) are fixedly connected between the clamping plate (47) and the take-up set (31), in the take-up It covers (31) and is equipped with the L-shaped limiting slot (44), the sliding slot of kidney-shaped structure is equipped on the rack gear (49) (49a), and the pull rod (45) are connected in the internal slide of the sliding slot (49a) and the limiting slot (44).

5. a kind of water pump according to claim 2, it is characterised in that: the anti-blockage structure (5) include filter screen (51), Scraper plate (52), sponge plate (53), shaft (54) and impeller (55), the filter screen (51) are fixed on the water jacket (22) away from institute The one end for stating fixed plate (23), the filter screen (51) inner rotation be connected in " in " shaft of character form structure (54), multiple impellers (55) are distributed in the external circular array of the shaft (54), in the outer of the shaft (54) The perpendicular relationship in portion is fixedly connected with the L-shaped scraper plate (52), in the scraper plate (52) close to the filter screen (51) One end be fixed with the sponge plate (53).

6. a kind of water pump according to claim 5, it is characterised in that: the cleaning structure (6) includes connecting rod (61), erects Bar (62), first intercept bar (63) and second and intercept bar (64), and the perpendicular relationship of the connecting rod (61) is fixed on the scraper plate (52) one end, in the connecting rod (61), the perpendicular relationship in one end away from the scraper plate (52) fixes the vertical bar (62), Multiple described first are linearly fixed in the outside of the vertical bar (62) and intercepts bar (63), intercept bar (63) described first Outside is linearly distributed with multiple described second and intercepts bar (64).