CN112602692A

CN112602692A - Hand-push type sprayer

Info

Publication number: CN112602692A
Application number: CN202011439153.8A
Authority: CN
Inventors: 陈光辉
Original assignee: Taizhou Qingfeng Machinery Co ltd
Current assignee: Taizhou Qingfeng Machinery Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-04-06
Anticipated expiration: 2040-12-08
Also published as: CN112602692B

Abstract

The application discloses a hand-push type sprayer, which relates to the technical field of sprayers and comprises a cart, wherein a water storage tank is arranged on the upper end surface of the cart, and a water filling port is formed in the water storage tank; the cart is also provided with a water pumping device, the water pumping device is provided with a water inlet and a water outlet, the water inlet of the water pumping device is communicated to the water storage tank, and the water outlet of the water pumping device is communicated to the water outlet pipe; wherein, still be equipped with the stirring subassembly in the water storage box, the stirring subassembly is including rotating the (mixing) shaft of connecting in the water storage box and setting up in the epaxial a plurality of stirring leaves of stirring, and the water storage box is worn out to the lower extreme of (mixing) shaft. Through setting up the stirring subassembly, can accomplish the mixture of liquid medicine in the water storage box for the configuration of liquid medicine is more convenient.

Description

Hand-push type sprayer

Technical Field

The application relates to the technical field of sprayers, in particular to a hand-push type sprayer.

Background

The sprayer is an agricultural and forestry machine commonly used in agriculture and forestry, liquid medicine with certain pressure is pumped and output through a water pump, and then the liquid medicine with certain pressure is changed into mist through a spray gun and then is uniformly sprayed onto crops to prevent diseases and insect pests.

Chinese utility model patent like patent No. CN206824054U, this patent disclose a hand propelled atomizer, including the shallow, set up the water tank on the shallow, the shallow includes the push rod, lies in water tank lateral wall department on the push rod and is provided with the drive case, is provided with the battery chamber that is used for installing the battery in the drive case, is used for installing the chamber that draws water of water pump, and the battery chamber is located the chamber top that draws water.

In view of the above-mentioned related technologies, the inventor thinks that the liquid medicine is stored in the water tank, but when actually preparing the liquid medicine, a certain amount of water is usually required to be added into an external container, then the medicine particles are added into the container according to a certain proportion, and then the liquid medicine is added into the water tank by stirring and mixing the medicine particles, and then guiding the flow by a funnel and other tools, so that the liquid medicine in the water tank is relatively troublesome to prepare and needs to be improved.

Disclosure of Invention

In order to solve the problem that the liquid medicine configuration in the water tank is troublesome, the application provides a hand-push type sprayer.

The application provides a hand propelled atomizer adopts following technical scheme:

a hand-push type sprayer comprises a cart, wherein a water storage tank is arranged on the upper end surface of the cart, and a water filling port is formed in the water storage tank; the cart is also provided with a water pumping device, the water pumping device is provided with a water inlet and a water outlet, the water inlet of the water pumping device is communicated to the water storage tank, and the water outlet of the water pumping device is communicated to the water outlet pipe; the stirring assembly is arranged in the water storage tank and comprises a stirring shaft and a plurality of stirring blades, the stirring shaft is rotatably connected to the water storage tank, the stirring blades are arranged on the stirring shaft, and the lower end of the stirring shaft penetrates out of the water storage tank.

Through above-mentioned technical scheme, set up the stirring subassembly, when needs configuration liquid medicine, directly lead to the water storage box with water in through-tube, then add granular medicine, rotate through the (mixing) shaft and drive the stirring leaf stirring make the liquid medicine mix can, need not add the water storage box after mixing well in external container for the configuration of liquid medicine is more convenient.

Optionally, the cart comprises a bearing plate, a rotating shaft rotatably connected to the bearing plate and a rotating wheel fixed to the rotating shaft, the bearing plate is penetrated by the stirring shaft, the rotating shaft is provided with a first bevel gear, and a second bevel gear meshed with the first bevel gear is arranged on the stirring shaft.

Through above-mentioned technical scheme, set up first bevel gear and second bevel gear, drive the (mixing) shaft through the rotation of runner and rotate the stirring that realizes the stirring leaf, during the in-service use, remove through promoting the shallow, can accomplish the mixture of liquid medicine at shallow removal in-process for the configuration of liquid medicine is more convenient.

Optionally, the rotating shaft includes a first shaft portion, a second shaft portion and a third shaft portion, which are coaxially disposed, the first shaft portion and the second shaft portion are both in a circular tube shape and rotatably connected with the bearing plate, and the rotating wheel is disposed on the first shaft portion and the second shaft portion; the first bevel gear is coaxially fixed on a third shaft part, the third shaft part is cylindrical, one end of the third shaft part is inserted into the first shaft part in a sliding mode, the other end of the third shaft part is inserted into the second shaft part in a sliding mode, a spline hole is formed in the first shaft part, and an embedded block matched with the spline hole is fixed at one end, close to the first shaft part, of the third shaft part; the third shaft part is also provided with a tightly-abutting spring, and the elasticity of the tightly-abutting spring tightly presses the third shaft part to enable the embedded block to be embedded into the spline hole;

the third shaft part is coaxially fixed with a third bevel gear, the third bevel gear is positioned on one side, close to the first shaft part, of the first bevel gear, the tooth surfaces of the third bevel gear are opposite to those of the first bevel gear, one end, close to the second shaft part, of the third shaft part penetrates out of the second shaft part, one end, penetrating out of the second shaft part, of the third shaft part is in threaded connection with an adjusting block, the adjusting block rotates to abut against the second shaft part to enable the embedded block to be separated from the splined hole, and therefore the first bevel gear is separated from the second bevel gear in a meshed mode, and the third bevel gear is meshed with the second bevel gear.

Through above-mentioned technical scheme, when needs rotate through the runner and drive the stirring subassembly stirring, support tight spring and imbed the spline hole with the abaculus, primary shaft portion and third shaft portion rotate in step this moment, can also drive the rotation of third shaft portion when the runner rotates and drives primary shaft portion and rotate for the removal of shallow just can realize the stirring of stirring subassembly.

When hand propelled atomizer has been in needs watering department, hand propelled atomizer need not remove this moment, can make third shaft portion overcome the elasticity removal of supporting tight spring and make the abaculus deviate from the splined hole this moment through rotating the regulating block, then make first bevel gear and second bevel gear break away from the meshing and make third bevel gear and second bevel gear meshing, it can not drive the runner to rotate third shaft portion this moment, can drive the (mixing) shaft through rotating third shaft portion and rotate and realize the stirring, can realize operating stirring subassembly work under the motionless condition of shallow this moment, make holistic use more convenient.

Optionally, a first force applying groove is further formed in one end, penetrating out of the second shaft portion, of the third shaft portion.

Through above-mentioned technical scheme, set up and attach force groove one, attach force groove one and can supply external stress application pole to pack into for the rotation operation of third axial region is more convenient.

Optionally, the cart is further rotatably connected with a winding roller, one axial end of the winding roller is provided with a force application groove II, the shape and size of the force application groove II are the same as those of the force application groove I, the winding roller is provided with a force application rod, and the force application rod is fixed with a convex block used for being embedded into the force application groove II.

Through above-mentioned technical scheme, set up and attach force groove two, attach force pole and lug, the lug of attaching force pole can realize the water spray pipe with the cooperation of attaching force groove two and retrieve around rolling up, the lug of attaching force pole can also cooperate in order to drive the rotation of third axial region with attaching force groove one in addition to it is more convenient to make holistic use.

Optionally, a first permanent magnet is fixed at one end of the projection, which is far away from the force applying rod, and a second permanent magnet adsorbed to the first permanent magnet is fixed at the bottom of the force applying groove II.

Through above-mentioned technical scheme, set up first permanent magnet and second permanent magnet for the pole of exerting oneself can be fixed more stable, also makes the dismantlement operation of the pole of exerting oneself more convenient simultaneously.

Optionally, an axial thrust bearing is further disposed between the adjusting block and the second shaft portion.

Through above-mentioned technical scheme, set up axial thrust bearing for frictional force between regulating block and the second axle portion is littleer, makes the rotation of third axle portion more smooth and easy, also can reduce the third axle portion simultaneously and rotate the in-process and lead to the regulating block for the circumstances of third axle portion pivoted, makes holistic use more stable.

Optionally, the water storage tank comprises a bottom plate fixed on the cart and a tank body covering the bottom plate, and the water filling port is opened in the tank body; the bottom plate up end is fixed with the bulge loop, the terminal surface is seted up under the box and is supplied the annular of bulge loop embedding, the lateral wall of box still is equipped with the fixed plate, the fixed bolt who wears to be equipped with bottom plate threaded connection is worn to the fixed plate.

Through above-mentioned technical scheme, set up bottom plate and box, the box realizes the location through the cooperation of bulge loop and annular, then fixes through fixing bolt for the assembly of box and bottom plate is more convenient.

Optionally, a sealing ring is embedded in the annular groove, and the convex ring abuts against the sealing ring.

Through above-mentioned technical scheme, set up the sealing ring, the sealed effect of box and bottom plate can be strengthened to the sealing ring, reduces the condition of weeping.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) the stirring component is arranged, so that the preparation of the liquid medicine is more convenient;

(2) by arranging the first bevel gear and the second bevel gear, the liquid medicine can be stirred and mixed in the moving process of the cart, so that the liquid medicine is more convenient to configure;

(3) through setting up first axial region, second axial region, third bevel gear, splined hole, abaculus, support tight spring and regulating block for the shallow removes the stirring that can realize the stirring subassembly, also can realize the stirring to the stirring subassembly when the shallow is unmovable, makes holistic use more convenient.

Drawings

FIG. 1 is an overall schematic view of an embodiment;

FIG. 2 is an exploded schematic view of an embodiment;

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

FIG. 4 is a schematic view of a rotating shaft structure of the embodiment;

FIG. 5 is a partial cross-sectional schematic view of an embodiment.

Reference numerals: 1. pushing a cart; 11. a carrier plate; 12. a rotating shaft; 121. a first shaft portion; 122. a second shaft portion; 123. a third shaft portion; 13. a rotating wheel; 2. a water storage tank; 21. a base plate; 211. a convex ring; 212. a threaded hole; 22. a box body; 221. a ring groove; 3. a water pumping device; 31. a plunger pump; 32. a drive member; 4. a seal ring; 5. a fixing plate; 6. fixing the bolt; 7. a water outlet pipe; 8. a water spray pipe; 9. a winding roller; 10. a force application groove II; 14. a second permanent magnet; 15. a force application rod; 16. a bump; 17. a first permanent magnet; 18. a stirring assembly; 181. a stirring shaft; 182. stirring blades; 19. a second bevel gear; 23. a first bevel gear; 24. a third bevel gear; 25. a splined bore; 26. an insert block; 27. the spring is tightly propped; 28. an adjusting block; 29. an axial thrust bearing; 30. the first force applying groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses hand propelled atomizer, as shown in figure 1, including shallow 1, water storage tank 2 and pumping device 3.

The cart 1 includes a supporting plate 11, a rotating shaft 12 rotatably connected to the supporting plate 11, and a rotating wheel 13 disposed on the rotating shaft 12. In this embodiment, the number of the rotating shafts 12 is two, the two rotating shafts 12 are distributed along the length direction of the bearing plate 11, the axes of the two rotating shafts 12 are arranged in parallel, the number of the rotating wheels 13 is four, and the four rotating wheels 13 are respectively and correspondingly fixed at the end portions of the rotating shafts 12. The push rod is further fixed on the bearing plate 11, the push rod is pushed to enable the bearing plate 11 to move, and in the moving process of the bearing plate 11, the four rotating wheels 13 rotate, so that the cart 1 can move more conveniently.

As shown in fig. 2, the water storage tank 2 is disposed on the upper end surface of the carrying plate 11 of the cart 1, and the water storage tank 2 is located above one of the rotating shafts 12. The water storage tank 2 comprises a bottom plate 21 and a tank body 22, the bottom plate 21 is fixed on the upper end face of the bearing plate 11 of the cart 1, and a convex ring 211 is fixed on the upper end face of the bottom plate 21, and the convex ring 211 is annular. The upper end surface of the bottom plate 21 is also provided with a plurality of threaded holes 212, and the threaded holes 212 are positioned at the outer side of the convex ring 211.

The box body 22 is cylindrical, a water filling port is formed in the upper end of the box body 22, and a sealing cover is connected to the water filling port in a threaded mode. The lower extreme of box 22 is the opening form, and the lower terminal surface of box 22 has still seted up annular 221, and annular 221 corresponds the shape of bulge loop 211, and the annular 221 embeds has sealing ring 4, and sealing ring 4 is the rubber material. The outer side wall of the box body 22 is further fixed with a fixing plate 5, the fixing plate 5 is circular, a plurality of fixing bolts 6 penetrate through the fixing plate 5, the number of the fixing bolts 6 is the same as that of the threaded holes 212, and the fixing bolts are arranged in a one-to-one correspondence manner.

When the box body 22 and the bottom plate 21 are spliced, the ring groove 221 is aligned with the convex ring 211, and the convex ring 211 is buckled in a mode that the convex ring 211 presses the sealing ring 4 to strengthen the sealing at the groove bottom of the ring groove 221. Then, the fixing plate 5 is pressed against the carrier plate 11 by the fixing bolts 6 by screwing the respective fixing bolts 6 into the corresponding screw holes 212, so that the case 22 is fixed to the base plate 21.

As shown in fig. 1, the water pumping device 3 includes a plunger pump 31 disposed on an upper end surface of the carrying plate 11 of the cart 1 and a driving member 32 for driving the plunger pump 31 to operate, wherein the driving member 32 is a gasoline engine or a diesel engine. The plunger pump 31 has a water inlet and a water outlet, the water inlet is communicated to the bottom of the water storage tank 2 through a conduit, and the water outlet is communicated with a water outlet pipe 7. In actual use, the driving member 32 drives the plunger pump 31 to operate, and the plunger pump 31 pumps the liquid medicine in the water storage tank 2 to the water outlet through the water inlet and discharges the liquid medicine.

Still rotate on the shallow 1 and be connected with winding roller 9, during actual operation, the one end that plunger pump 31 was kept away from to outlet pipe 7 communicates to the axial one end of winding roller 9, and the tip that outlet pipe 7 was connected to winding roller 9 is equipped with rotary joint, and winding roller 9 passes through rotary joint and outlet pipe 7 to rotate and is connected for winding roller 9 rotates and can not lead to outlet pipe 7 to rotate. There is the water guide channel in the winding roller 9, still is fixed with the spray pipe 8 at the lateral wall of winding roller 9, and the water guide channel makes outlet pipe 7 and spray pipe 8 intercommunication, and the one end that the spray pipe 8 kept away from winding roller 9 is used for connecting the shower nozzle. During the in-service use, take out to spray pipe 8 through the liquid medicine of pumping device 3 in with water storage box 2, spout in order to realize the sprinkling irrigation from the shower nozzle at last, spray pipe 8 is longer, can accomodate spray pipe 8 through rotating winding roller 9.

As shown in fig. 3, a force application groove two 10 is coaxially formed at the axial end part of the winding roller 9 far away from the water outlet pipe 7, and the force application groove two 10 is in a square groove shape. And a second permanent magnet 14 is fixed at the bottom of the force application groove II 10. The winding roller 9 is provided with a force applying rod 15, a bump 16 is fixed on the force applying rod 15, the shape of the bump 16 corresponds to the shape of the force applying groove two 10, a first permanent magnet 17 is fixed at one end, far away from the force applying rod 15, of the bump 16, and the first permanent magnet 17 is used for being adsorbed on the second permanent magnet 14. When the force application rod 15 is embedded into the second force application slot 10 through the protruding block 16 to achieve connection, the first permanent magnet 17 and the second permanent magnet 14 are adsorbed to enable the force application rod 15 to be installed more stably, and then the force application rod 15 can be operated to drive the winding roller 9 to rotate.

As shown in fig. 2, a stirring assembly 18 is further disposed in the water storage tank 2, and the stirring assembly 18 includes a stirring shaft 181 rotatably connected to the water storage tank 2 and a plurality of stirring blades 182 fixed to the stirring shaft 181. Wherein, the axis of (mixing) shaft 181 is vertical setting, and the bottom plate 21 of water storage box 2 is worn out and the loading board 11 is passed through to the lower extreme of (mixing) shaft 181. Realize sealed effect through mechanical seal between (mixing) shaft 181 and the bottom plate 21 of water storage box 2 to reduce the gap that the interior liquid medicine of water storage box 2 leaked through (mixing) shaft 181 and bottom plate 21. The stirring shaft 181 can rotate relative to the bearing plate 11, and a second bevel gear 19 is coaxially fixed at one end of the stirring shaft 181 below the bearing plate 11.

Referring to fig. 4, of the two rotating shafts 12, the rotating shaft 12 located below the water storage tank 2 includes a first shaft portion 121, a second shaft portion 122, and a third shaft portion 123, the first shaft portion 121 and the second shaft portion 122 are both in a circular tube shape, the third shaft portion 123 is in a cylindrical shape, and axes of the first shaft portion 121, the second shaft portion 122, and the third shaft portion 123 are all overlapped. The first shaft portion 121 and the second shaft portion 122 are rotatably connected to the carrier plate 11. The third shaft 123 is connected between the first shaft 121 and the second shaft 122, and one end of the third shaft 123 is slidably inserted into the first shaft 121 and the other end is slidably inserted into the second shaft 122. The third shaft 123 is further coaxially fixed with a first bevel gear 23 and a third bevel gear 24, the first bevel gear 23 and the third bevel gear 24 are located between the first shaft 121 and the second shaft 122, and the first bevel gear 23 is located on a side of the third bevel gear 24 away from the first shaft 121. The first bevel gear 23 and the third bevel gear 24 are identical in shape and opposite in tooth surface, and the second bevel gear 19 is located between the first bevel gear 23 and the third bevel gear 24.

Referring to fig. 5, a spline hole 25 is formed in the first shaft portion 121, an insert 26 is fixed to one end of the third shaft portion 123 close to the first shaft portion 121, the shape of the insert 26 corresponds to the spline hole 25, and the insert 26 is matched with the spline hole 25. The third shaft portion 123 is further sleeved with a resisting spring 27, the resisting spring 27 is located on one side of the first bevel gear 23 away from the third bevel gear 24, one end of the resisting spring 27 is fixed to the first bevel gear 23, the other end of the resisting spring 27 is fixedly connected to the second shaft portion 122, and the elastic force of the resisting spring 27 compresses the third shaft portion 123 so that the insert 26 is embedded into the spline hole 25.

One end of the third shaft part 123 close to the second shaft part 122 penetrates through the second shaft part 122, one end of the third shaft part 123 penetrating through the second shaft part 122 is in threaded connection with an adjusting block 28, an axial thrust bearing 29 is further arranged between the adjusting block 28 and the second shaft part 122, and the adjusting block 28 abuts against the end face, far away from the first shaft part 121, of the second shaft part 122 through the axial thrust bearing 29.

Referring to fig. 2, a first force application groove 30 is further formed in one end of the third shaft portion 123, which penetrates through the second shaft portion 122, the shape and size of the first force application groove 30 are the same as those of the second force application groove 10, and the first force application groove 30 can be used for being embedded in the protrusion 16 of the force application rod 15.

The working principle of the embodiment is as follows:

when the cart 1 is moved, the insert 26 is inserted into the spline hole 25, the first shaft 121 and the third shaft 123 cannot rotate relatively, the first bevel gear 23 is engaged with the second bevel gear 19, and the third bevel gear 24 is not engaged with the second bevel gear 19. Then when the pushing cart 1 moves, the cart 1 moves to make the rotating wheel 13 rotate, the rotating wheel 13 rotates to drive the first shaft part 121 and the third shaft part 123 to rotate, the stirring shaft 181 rotates through the transmission of the first bevel gear 23 and the second bevel gear 19, and the stirring blade 182 stirs and mixes the liquid medicine.

When the cart 1 is not in motion and needs to stir the liquid medicine, the third shaft 123 is moved against the elastic force of the abutting spring 27 by rotating the adjusting block 28, so that the insert 26 is separated from the spline hole 25. When the insert 26 and the spline hole 25 are disengaged, the first bevel gear 23 is disengaged from the second bevel gear 19 and the third bevel gear 24 is engaged with the second bevel gear 19, at this time, the first shaft portion 121 and the third shaft portion 123 can rotate relatively, by detaching the force application rod 15 from the force application groove two 10 and inserting the protrusion 16 into the force application groove one 30, at this time, the force application rod 15 can drive the third shaft portion 123 to rotate, the third shaft portion 123 drives the third bevel gear 24 to rotate, and the stirring assembly 18 is driven to stir through the transmission of the third bevel gear 24 and the second bevel gear 19.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A hand propelled atomizer which characterized in that: the water storage device comprises a cart (1), wherein a water storage tank (2) is arranged on the upper end surface of the cart (1), and a water filling port is formed in the water storage tank (2); the cart (1) is also provided with a water pumping device (3), the water pumping device (3) is provided with a water inlet and a water outlet, the water inlet of the water pumping device (3) is communicated to the water storage tank (2), and the water outlet of the water pumping device (3) is communicated to the water outlet pipe (7); the water storage tank (2) is internally provided with a stirring assembly (18), the stirring assembly (18) comprises a stirring shaft (181) rotatably connected to the water storage tank (2) and a plurality of stirring blades (182) arranged on the stirring shaft (181), and the lower end of the stirring shaft (181) penetrates out of the water storage tank (2).

2. The hand propelled sprayer of claim 1, wherein: shallow (1) include loading board (11), rotate pivot (12) of connecting on loading board (11) and be fixed in runner (13) of pivot (12), (mixing) shaft (181) are worn to establish loading board (11), pivot (12) are equipped with first bevel gear (23), be equipped with on (mixing) shaft (181) with second bevel gear (19) of first bevel gear (23) meshing.

3. The hand propelled sprayer of claim 2, wherein: the rotating shaft (12) comprises a first shaft part (121), a second shaft part (122) and a third shaft part (123) which are coaxially arranged, the first shaft part (121) and the second shaft part (122) are both in a circular tube shape and are rotatably connected with the bearing plate (11), and the rotating wheel (13) is arranged on the first shaft part (121) and the second shaft part (122); the first bevel gear (23) is coaxially fixed on a third shaft part (123), the third shaft part (123) is cylindrical, one end of the third shaft part (123) is inserted into the first shaft part (121) in a sliding mode, the other end of the third shaft part is inserted into the second shaft part (122) in a sliding mode, a spline hole (25) is formed in the first shaft part (121), and an embedded block (26) matched with the spline hole (25) is fixed at one end, close to the first shaft part (121), of the third shaft part (123); the third shaft part (123) is also provided with a resisting spring (27), and the elastic force of the resisting spring (27) presses the third shaft part (123) to enable the insert block (26) to be embedded into the spline hole (25);

the third shaft part (123) is also coaxially fixed with a third bevel gear (24), the third bevel gear (24) is positioned on one side of the first bevel gear (23) close to the first shaft part (121), the tooth surfaces of the third bevel gear (24) and the first bevel gear (23) are opposite, one end of the third shaft part (123) close to the second shaft part (122) penetrates out of the second shaft part (122), one end of the third shaft part (123) penetrating out of the second shaft part (122) is in threaded connection with an adjusting block (28), and the adjusting block (28) rotates to be used for tightly abutting against the second shaft part (122) to enable the insert (26) to be separated from the splined hole (25), so that the first bevel gear (23) is disengaged from the second bevel gear (19) and the third bevel gear (24) is engaged with the second bevel gear (19).

4. The hand propelled sprayer of claim 3, wherein: one end of the third shaft part (123) penetrating out of the second shaft part (122) is also provided with a force exerting groove I (30).

5. The hand propelled sprayer of claim 4, wherein: still rotate on shallow (1) and be connected with wire winding roller (9), wire winding roller (9) axial one end is equipped with and forces groove two (10), the shape and the size of forcing groove two (10) with forcing groove one (30) are the same, are equipped with on wire winding roller (9) and are forcing pole (15), forcing pole (15) are fixed with and are used for imbedding lug (16) of forcing groove two (10).

6. The hand propelled sprayer of claim 5, wherein: and a first permanent magnet (17) is fixed at one end, far away from the force applying rod (15), of the bump (16), and a second permanent magnet (14) adsorbed with the first permanent magnet (17) is fixed at the bottom of the force applying groove II (10).

7. The hand propelled sprayer of claim 3, wherein: an axial thrust bearing (29) is further arranged between the adjusting block (28) and the second shaft part (122).

8. The hand propelled sprayer of claim 1, wherein: the water storage tank (2) comprises a bottom plate (21) fixed on the cart (1) and a tank body (22) covered on the bottom plate (21), and the water filling port is opened in the tank body (22); bottom plate (21) up end is fixed with bulge loop (211), the confession has been seted up to box (22) lower terminal surface annular (221) of bulge loop (211) embedding, the lateral wall of box (22) still is equipped with fixed plate (5), fixed plate (5) are worn to be equipped with fixing bolt (6) with bottom plate (21) threaded connection.

9. The hand propelled sprayer of claim 8, wherein: the ring groove (221) is embedded with a sealing ring (4), and the convex ring (211) is tightly pressed against the sealing ring (4).