CN212414472U

CN212414472U - Hand propelled walking atomizer

Info

Publication number: CN212414472U
Application number: CN202020669394.0U
Authority: CN
Inventors: 钱亚杰; 王胜兵; 王之恒; 闫双
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-29
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a hand-push type walking sprayer, which relates to a sprayer, comprising a frame, wherein the front end of the frame is provided with a front wheel, the frame is provided with a liquid storage tank, and a plurality of moving scraping sheets are fixed on a rotating shaft of the front wheel at intervals along the circumferential direction of the rotating shaft; an air compression mechanism is fixed on the frame between the liquid storage tank and the wheels, the air compression mechanism comprises a piston tube, and the rear end of the piston tube is communicated with the inner cavity of the liquid storage tank through an air check valve; a piston post passes through the front end face of the piston tube and extends to the inner cavity of the piston tube, the front end of the piston post outside the piston tube is abutted against the inclined plane of the moving scraping sheet, a convex ring is arranged on the piston post outside the piston tube, a return spring is sleeved on the piston post between the convex ring and the front end face of the piston tube, and a rubber ring is sleeved on the rear portion of the piston post inside the piston tube. The sprayer is improved in structure, the air compression mechanism is directly driven to move through the moving scraping piece on the wheel rotating shaft, and compared with a chain wheel, a crankshaft and the like, the sprayer is more convenient to drive, long in service life, high in working efficiency and convenient to operate.

Description

Hand propelled walking atomizer

Technical Field

The utility model relates to a sprayer especially relates to a hand propelled walking atomizer.

Background

A nebulizer is an apparatus that uses air pressurization to atomize liquid medicine or other liquids and uniformly spray the liquid medicine or other liquids onto other objects. At present, most agricultural sprayers adopt knapsack sprayers, the knapsack sprayers need to consume a large amount of manpower when working, the working efficiency is low, operators need to bear the weight of the sprayers and liquid medicine during the use process, and the knapsack sprayers are easy to fatigue; in order to overcome the above disadvantages, a hand-push sprayer driven by a sprocket or a crankshaft is proposed, such as a hand-push sprayer with application number 201621276529.7, which converts the kinetic energy of the trolley moving to make the trolley move and push an air compression mechanism to pressurize a liquid medicine barrel, but because the trolley needs to be operated in the field, the structure is easy to rust and soil blockage to cause loss, and is not convenient enough.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a hand-push type walking sprayer with simple and convenient structure, long service life and better effect.

In order to realize the purpose of the utility model, the utility model adopts the technical scheme that: a hand-push type walking sprayer comprises a frame, wherein a front wheel is mounted at the front end of the frame, a push handle is mounted on the top surface of the rear end of the frame, and a liquid storage tank is loaded on the top surface of the frame; the spray head for spraying to the front end of the frame is arranged on the front side of the upper part of the liquid storage tank, and the spray head is characterized in that a plurality of triangular moving scraping blades are fixed on a rotating shaft of the front wheel at intervals along the circumferential direction of the rotating shaft, and the moving scraping blades synchronously rotate along with the front wheel; an air compression mechanism is fixed on the frame between the liquid storage tank and the wheels, the air compression mechanism comprises a horizontally arranged piston tube with a hollow sealing cavity, and the rear end of the piston tube is communicated with the inner cavity of the liquid storage tank through an air check valve; a piston post passes the preceding terminal surface of piston pipe and extends to the piston pipe inner chamber along piston pipe the central axis direction, and the piston post front end outside the piston pipe supports on the inclined plane of motion doctor-bar, is equipped with a bulge loop on the piston post outside the piston pipe, and the cover is equipped with a return spring on the piston post between bulge loop and the preceding terminal surface of piston pipe, the piston post rear portion cover in the piston pipe is equipped with the rubber circle, and the outer fringe of rubber circle touches the inner chamber wall of piston pipe.

The front wheel of the moving scraper blade rotates to periodically push the piston column, the piston column moves in tandem under the action of the return spring to inject air into the piston tube, and the air in the piston tube is injected into the liquid storage tank through the air check valve, so that the pressurizing process is realized.

Further, the piston pipe is arranged at the bottom in the liquid storage tank, and the front end face of the piston pipe and the front side face of the liquid storage tank share one face.

Furthermore, another sleeve for the piston column to move back and forth is sleeved on the piston column in the front of the convex ring of the piston tube, the sleeve is fixed on the frame, and the sleeve is more convenient for the piston column to move back and forth and is more stable.

Further, the number of the moving blades is three.

Furthermore, the front end face of the piston column is an inclined plane, and the inclination of the inclined plane of the moving scraping blade, which is contacted with the piston column, is consistent.

Furthermore, the bottom surface of the rear end of the frame is provided with auxiliary wheels for preventing side tilting.

Further, a tank cover is arranged on the top surface of the liquid storage tank.

Furthermore, the connection position of the spray head and the liquid storage tank is provided with an atomizing valve, the handle of the push handle is provided with an atomizing valve handle, and the atomizing valve handle is connected with the atomizing valve through a valve line.

Furthermore, a pressure gauge is installed at the front end of the handle of the pushing handle and connected with the liquid storage tank through a pressure gauge pipeline for monitoring the pressure in the liquid storage tank.

The utility model has the advantages that: the sprayer is improved in structure, the air compression mechanism is directly driven to move by the moving scraping pieces on the wheel rotating shafts, and compared with a chain wheel, a crankshaft and the like, the sprayer is more convenient to drive, higher in efficiency and longer in service life; in addition, the sprayer is simple in structure, low in cost, light in weight, high in working efficiency and convenient to operate, the front wheels are designed to be single wheels, and the sprayer is more suitable for operation in field mud fields.

Drawings

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

In the figure: the device comprises a frame 1, a front wheel 2, a push handle 3, a liquid storage tank 4, a spray head 5, a rotating shaft 6, a moving scraping blade 7, an air compression mechanism 8, a piston pipe 81, a piston column 82, a rubber ring 83, a convex ring 84, a return spring 85, an air check valve 86, a sleeve 87, an auxiliary wheel 9, a box cover 10, an atomizing valve 11, a handle 12, an atomizing valve handle 13, a valve line 14, a pressure gauge 15 and a pressure gauge pipeline 16.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1, the hand-push type walking sprayer comprises a frame 1, wherein a front wheel 2 is installed at the front end of the frame 1, a push handle 3 is installed on the top surface of the rear end of the frame 1, an auxiliary wheel 9 for preventing side tilting is installed on the bottom surface of the rear end of the frame 1, a liquid storage tank 4 is loaded on the top surface of the frame 1, and a tank cover 10 is installed on the top surface of the liquid storage tank; the front side of the upper part of the liquid storage tank 4 is provided with a spray head 5 spraying to the front end of the frame 1, and the front wheel is characterized in that a plurality of triangular moving scraping blades 7 are fixed on a rotating shaft 6 of the front wheel 2 at intervals along the circumferential direction of the rotating shaft, the number of the moving scraping blades 7 is three, and the moving scraping blades 7 synchronously rotate along with the front wheel 2; an air compression mechanism 8 is fixed on the frame 1 between the liquid storage tank 4 and the wheels, the air compression mechanism 8 comprises a horizontally arranged piston pipe 81 with a hollow sealing cavity, and the rear end of the piston pipe 81 is communicated with the inner cavity of the liquid storage tank 4 through an air check valve 86; a piston post 82 passes through the front end face of the piston tube 81 along the central axis direction of the piston tube 81 and extends to the inner cavity of the piston tube 81, the front end of the piston post 82 outside the piston tube 81 is abutted against the inclined plane of the moving scraper 7, the front end face of the piston post 82 is an inclined plane, the inclined plane is consistent with the inclined plane inclination of the moving scraper 7 contacted with the piston post 82, a convex ring 84 is arranged on the piston post 82 outside the piston tube 81, a restoring spring 85 is sleeved on the piston post 82 between the convex ring 84 and the front end face of the piston tube 81, a rubber ring 83 is sleeved on the rear portion of the piston post 82 inside the piston tube 81, and the outer edge of the rubber ring 83 touches the inner cavity wall of the piston tube 81.

The piston pipe 81 is disposed at the bottom of the liquid storage tank 4, and the front end surface of the piston pipe 81 shares one surface with the front side surface of the liquid storage tank 4.

The piston post 82 in the front of the convex ring 84 of the piston tube is further sleeved with a sleeve 87 for the piston post 82 to move back and forth, the sleeve 87 is fixed on the frame 1, and the sleeve 87 is more convenient for the piston post 82 to move back and forth and is more stable.

The connection part of the spray head 5 and the liquid storage tank 4 is provided with a spray valve 11, the handle 12 of the push handle 3 is provided with a spray valve handle 13, and the spray valve handle 13 is connected with the spray valve 11 through a valve line 14.

The front end of the handle 12 of the pushing handle 3 is provided with a pressure gauge 15, and the pressure gauge 15 is connected with the liquid storage tank 4 through a pressure gauge pipeline 16 and used for monitoring the pressure in the liquid storage tank 4.

The front wheel 2 of the moving scraper 7 rotates to periodically push the piston column 82, the piston column 82 moves in tandem under the action of the return spring 85 to repeatedly inject air into the piston pipe 81, and the air in the piston pipe 81 is injected into the liquid storage tank 4 through the air check valve 86, so that the pressurizing process is realized.

The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. A hand-push type walking sprayer comprises a frame, wherein a front wheel is mounted at the front end of the frame, a push handle is mounted on the top surface of the rear end of the frame, and a liquid storage tank is loaded on the top surface of the frame; the spray head for spraying to the front end of the frame is arranged on the front side of the upper part of the liquid storage tank, and the spray head is characterized in that a plurality of triangular moving scraping blades are fixed on a rotating shaft of the front wheel at intervals along the circumferential direction of the rotating shaft, and the moving scraping blades synchronously rotate along with the front wheel; an air compression mechanism is fixed on the frame between the liquid storage tank and the wheels, the air compression mechanism comprises a horizontally arranged piston tube with a hollow sealing cavity, and the rear end of the piston tube is communicated with the inner cavity of the liquid storage tank through an air check valve; a piston post passes the preceding terminal surface of piston pipe and extends to the piston pipe inner chamber along piston pipe the central axis direction, and the piston post front end outside the piston pipe supports on the inclined plane of motion doctor-bar, is equipped with a bulge loop on the piston post outside the piston pipe, and the cover is equipped with a return spring on the piston post between bulge loop and the preceding terminal surface of piston pipe, the piston post rear portion cover in the piston pipe is equipped with the rubber circle, and the outer fringe of rubber circle touches the inner chamber wall of piston pipe.

2. The hand propelled walking sprayer of claim 1, wherein the piston tube is disposed at the bottom of the reservoir, and the front end surface of the piston tube shares a common surface with the front side surface of the reservoir.

3. The hand propelled walking sprayer of claim 1, wherein the piston post at the front of the raised ring of the piston tube is further sleeved with a sleeve for the piston post to move back and forth, and the sleeve is fixed on the frame.

4. The hand propelled walking sprayer of claim 1, wherein there are three of said moving blades.

5. The hand propelled sprayer according to claim 1, wherein the front end surface of the piston post is a bevel, and the bevel is of the same slope as the moving blade which contacts the piston post.

6. The hand propelled walking sprayer of claim 1, wherein the bottom surface of the rear end of said frame is provided with auxiliary wheels.

7. The hand propelled walking sprayer of claim 1, wherein a cover is mounted on a top surface of said reservoir.

8. The hand propelled walking sprayer according to claim 1, wherein the spray valve is installed at the connection position of the spray head and the liquid storage tank, the spray valve handle is installed at the handle of the push handle, and the spray valve handle and the spray valve are connected through a valve line.

9. The hand propelled walking sprayer according to claim 1, wherein the front end of the handle of the hand pusher is provided with a pressure gauge, and the pressure gauge is connected with the liquid storage tank through a pressure gauge pipeline.