Backpack sprayer with fastening structure

Abstract

The utility model relates to the technical field of sprayers, in particular to a backpack sprayer with a fastening structure, which comprises a kettle body, a shell is arranged at one end of the kettle body, a fixing plate is arranged at one end of the shell, the fixing plate is connected with the shell through a threaded fastener, and the shell is connected with the kettle body through a threaded insert. The threaded fastener comprises a bolt and a gasket, the bolt and the gasket are located on the outer side of the fixing plate, the shell is composed of three connecting plates and a connecting piece which are attached to one another, a first connecting block is installed on the inner side of the middle connecting plate, and the bolt penetrates through the fixing plate and one end of the shell to be in threaded connection with the first connecting block; according to the backpack sprayer of the fastening structure, the kettle body, the shell and the fixing plate are fixed through the threaded fastener and the threaded insert, the structure is firm, supporting is reliable, when the kettle body is damaged, the kettle body can be detached and replaced independently, and the replacement cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a knapsack sprayer of fastening structure belongs to knapsack sprayer technical field. BACKGROUND

[0002] The main function of knapsack sprayer is to carry out pesticide spraying and disinfection operation, and it is mainly used in orchard, vegetable garden and greenhouse.

[0003] Through the retrieval, China patent discloses knapsack type sprayer (CN218554449U), including liquid storage tank, base, tank cover and spray gun, one end of liquid storage tank is equipped with tank cover, the other end of liquid storage tank is installed on base, electric pump and battery pack are equipped in base, but liquid storage tank and base are integral structure, and it is inconvenient to disassemble, if liquid storage tank is damaged, needs to replace as a whole, increase the cost of replacement, for this, we propose a knapsack sprayer of fastening structure. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the present application is that the liquid storage tank and the base are of an integral structure, which is inconvenient to disassemble, and if the liquid storage tank is damaged, the entire replacement is required, increasing the replacement cost.

[0005] To solve the above technical problems, the present application provides a knapsack sprayer of fastening structure, comprising a kettle body, one end of the kettle body is provided with an outer shell, one end of the outer shell is provided with a fixed plate, the fixed plate and the outer shell are connected through a threaded fastener, and the outer shell and the kettle body are connected through a threaded insert.

[0006] In some embodiments, the threaded fastener includes a bolt and a washer, the bolt and the washer are located on the outer side of the fixed plate, the outer shell is composed of three mutually adhered connecting plates and a connecting piece, a first connecting block is installed on the inner side of the middle connecting plate, the bolt is threadedly connected with the first connecting block through one end of the fixed plate and the outer shell, and the washer is adhered to one end of the fixed plate.

[0007] In some embodiments, the connecting piece includes a screw, a side plate and a second connecting block, the side plate is installed on the inner side of the two connecting plates, the second connecting block is installed on the inner side of the side plate, the screw is located between the fixed plate and the connecting plate, and the screw is threadedly connected with the second connecting block through one end of the connecting plate and the side plate.

[0008] In some embodiments, the threaded insert includes a nut and a head, the head is located between the kettle body and the connecting plate, the nut is located between the connecting plate and the fixed plate, one end of the head is threadedly connected with one end of the kettle body, and the nut is threadedly connected with the other end of the head through one end of the connecting plate.

[0009] In some embodiments, a net frame is arranged on the top of the kettle body, and a box cover is threadedly connected to the top of the kettle body and outside the net frame.

[0010] In some embodiments, a water pump is further arranged on the inner side of the connecting plate, an inlet pipe is connected to the input end of the water pump, a joint is connected to one end of the inlet pipe, and a one-way valve is arranged in one end of the kettle body and threadedly connected to the joint.

[0011] In some embodiments, an outlet pipe is connected to the output end of the water pump, a water gun is connected to one end of the outlet pipe extending out of the connecting plate, and an elastic buckle for clamping the water gun is arranged on one side of the kettle body.

[0012] The kettle body has the following advantages:

[0013] The kettle body, the shell and the fixing plate are fixed by the threaded fasteners and the threaded inserts, so that the structure is firm and reliable, and the kettle body can be replaced alone when damaged, thereby reducing the replacement cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a side view of the overall structure of the kettle body.

[0015] Figure 2 It is a side view of the connecting structure of the kettle body and the connecting plate.

[0016] Figure 3 It is an explosion view of the overall structure of the kettle body.

[0017] Figure 4 It is a side view of the internal structure of the connecting plate.

[0018] Figure 5 It is a side view of the kettle body structure.

[0019] Figure 6 It is a schematic view of the overall structure of the kettle body.

[0020] In the figure: 1, kettle body; 101, one-way valve; 2, shell; 3, fixing plate; 4, threaded fastener; 401, bolt; 402, gasket; 5, threaded insert; 501, nut; 502, head; 6, connecting plate; 601, first connecting block; 7, connecting piece; 701, screw; 702, side plate; 703, second connecting block; 8, net frame; 9, box cover; 10, water pump; 11, inlet pipe; 12, joint; 13, outlet pipe; 14, water gun; 15, elastic buckle. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0022] Embodiment

[0023] Please refer to Figures 1-6 The utility model provides a kind of backpack sprayer of fastening structure, including kettle body 1, kettle body 1 one end is provided with shell 2, shell 2 one end is provided with fixed plate 3, fixed plate 3 and shell 2 are connected by screw fastener 4, shell 2 and kettle body 1 are connected by screw insert 5.

[0024] Kettle body 1 top is placed with net frame 8, kettle body 1 top and located the outside of net frame 8 screw thread is connected with box cover 9, the role of net frame 8 is used to filter the impurity of liquid medicine poured into kettle body 1 interior, box cover 9 plays the role of closing kettle body 1, avoid the leakage of liquid medicine of kettle body 1.

[0025] Screw fastener 4 includes bolt 401 and washer 402, bolt 401 and washer 402 are located at the outside of fixed plate 3, shell 2 is composed of three mutually adhering connecting plate 6 and connecting piece 7, the inside of middle connecting plate 6 is equipped with first connecting block 601, bolt 401 passes through fixed plate 3 and one end of shell 2 and is screw connected with first connecting block 601, washer 402 is adhered with one end of fixed plate 3, increase the contact area with fixed plate 3 by washer 402, realize the fixation between connecting plate 6 and fixed plate 3 by bolt 401, washer 402 and first connecting block 601, can realize the disassembly of connecting plate 6 and fixed plate 3 by unthreading bolt 401.

[0026] The inside of middle connecting plate 6 is also equipped with water pump 10, the input end of water pump 10 is connected with water inlet pipe 11, one end of water inlet pipe 11 is connected with connector 12, one end of kettle body 1 is provided with one-way valve 101 screw connected with connector 12, one-way valve 101 plays the role of avoiding the effusion of liquid medicine in kettle body 1.

[0027] The output end of water pump 10 is connected with water outlet pipe 13, one end of water outlet pipe 13 that extends connecting plate 6 is connected with water gun 14, one side of kettle body 1 is equipped with the elastic buckle 15 for clamping water gun 14.

[0028] When using, water pump 10 is started, one-way valve 101 is opened kettle body 1 under pressure, so that liquid medicine is sprayed from water gun 14 by one-way valve 101, connector 12, water inlet pipe 11, water pump 10 and water outlet pipe 13.

[0029] The connecting piece 7 comprises a screw 701, a side plate 702 and a second connecting block 703, the side plate 702 is installed on the inner side of the two side connecting plates 6, the second connecting block 703 is installed on the inner side of the side plate 702, the screw 701 is located between the fixed plate 3 and the connecting plate 6, the screw 701 is screwed with the second connecting block 703 through one end of the connecting plate 6 and the side plate 702, the three connecting plates 6 are combined into the shell 2 through the screw 701, the side plate 702 and the second connecting block 703, and the shell 2 can be disassembled by removing the screw 701.

[0030] The threaded insert 5 comprises a nut 501 and a head 502, the head 502 is located between the kettle body 1 and the connecting plate 6, the nut 501 is located between the connecting plate 6 and the fixed plate 3, one end of the head 502 is screwed with one end of the kettle body 1, the nut 501 is screwed with the other end of the head 502 through one end of the connecting plate 6, the kettle body 1 and the connecting plate 6 are fixed through the nut 501 and the head 502, the kettle body 1 and the connecting plate 6 can be disassembled by removing the head 502 and the nut 501, the kettle body 1, the connecting plate 6 and the fixed plate 3 are replaced individually, and the replacement cost is reduced.

[0031] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application.

Claims

1. A backpack sprayer of the fastened structure, characterized by: The utility model provides a kettle body (1), one end of kettle body (1) is provided with the shell (2), one end of shell (2) is provided with fixed plate (3), fixed plate (3) and shell (2) are connected through threaded fastener (4), shell (2) and kettle body (1) are connected through threaded insert (5).

2. The backpack sprayer of claim 1, wherein: Threaded fastener (4) includes bolt (401) and washer (402), bolt (401) and washer (402) are located on the outside of fixed plate (3), shell (2) is composed of three mutually pasted connecting plates (6) and connecting piece (7), first connecting block (601) is installed on the inner side of connecting plate (6) in the middle, bolt (401) is screwed with first connecting block (601) through one end of fixed plate (3) and shell (2), washer (402) is pasted with one end of fixed plate (3).

3. The backpack sprayer of claim 2, wherein: Connecting piece (7) includes screw (701), side plate (702) and second connecting block (703), side plate (702) is installed on the inner side of two connecting plates (6), second connecting block (703) is installed on the inner side of side plate (702), screw (701) is located between fixed plate (3) and connecting plate (6), screw (701) is screwed with second connecting block (703) through one end of connecting plate (6) and side plate (702).

4. The backpack sprayer of claim 1, wherein: Threaded insert (5) includes nut (501) and head (502), head (502) is located between kettle body (1) and connecting plate (6), nut (501) is located between connecting plate (6) and fixed plate (3), one end of head (502) is screwed with one end of kettle body (1), nut (501) is screwed with the other end of head (502) through one end of connecting plate (6).

5. The backpack sprayer of claim 1, wherein: Net frame (8) is placed on the top of kettle body (1), box cover (9) is screwed on the top of kettle body (1) and outside net frame (8).

6. The backpack sprayer of claim 2, wherein: Water pump (10) is also installed on the inner side of connecting plate (6) in the middle, the input end of water pump (10) is connected with water inlet pipe (11), one end of water inlet pipe (11) is connected with connector (12), one end of kettle body (1) is provided with one-way valve (101) and is screwed with connector (12).

7. The fastened-structure back-pack sprayer of claim 6 wherein: The output end of water pump (10) is connected with water outlet pipe (13), one end of water outlet pipe (13) that stretches out connecting plate (6) is connected with water gun (14), the side of kettle body (1) is installed with the elastic buckle (15) for clamping water gun (14).

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