Joint structure of knapsack sprayer kettle body

Abstract

The utility model relates to the technical field of sprayer connection, in particular to a joint structure of a backpack sprayer kettle body, which comprises a butt joint, the butt joint is sleeved on one end of a corner elbow, the other end of the corner elbow is sleeved in a connecting sleeve, a first joint is arranged on the connecting sleeve, and a second joint is arranged on the first joint. The first connector is connected to one end of the rubber pipe in a sleeving mode, the end, close to the first connector, of the rubber pipe is connected with a fastening sleeve in a sleeving mode, and the fastening sleeve tightly presses one end of the rubber pipe on the outer wall of the first connector. The first sealing ring is matched for sealing, the first connector is connected with a liquid storage structure formed by the rubber pipe and the tank body after butt joint, and finally the fastening sleeve is matched for compression joint, 360-degree rotation can be achieved, meanwhile, looseness of the connecting position due to rotation can be prevented under the action of the fastening sleeve, and looseness of the connector and the kettle wall cannot be caused. And water leakage at the kettle wall and the joint is effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of sprayer connection technology, specifically a connector structure for a backpack sprayer bottle body. Background Technology

[0002] The sprayer's container, also known as the liquid tank or reservoir, is the core component of the sprayer. It is used to store and hold liquids such as pesticides, herbicides, and disinfectants, and then uses a pump system to deliver the liquid to the nozzle for spraying. This directly affects the sprayer's capacity, portability, durability, and safety. The connector structure of the sprayer's container, as the key part connecting the liquid storage space and the nozzle, is an important component of the sprayer.

[0003] Existing connector structures require bending the connector upwards to provide extra operating space when replacing the filter, which can easily cause loosening at the tightening point, leading to water leakage at the canister wall and connector. To address this, we propose a connector structure for a backpack sprayer canister that can rotate 360 ​​degrees without causing loosening of the connector and canister wall during rotation. Utility Model Content

[0004] To solve the above-mentioned technical problems, this application provides a connector structure for a backpack sprayer bottle body, including a connector, which is sleeved on one end of a corner bend, and the other end of the corner bend is sleeved in a connecting sleeve. A first connector is provided on the connecting sleeve, which is sleeved on one end of a rubber tube. A fastening sleeve is sleeved on the end of the rubber tube near the first connector, and the fastening sleeve presses one end of the rubber tube tightly against the outer wall of the first connector.

[0005] In some embodiments, the other end of the tubing is fitted with a second connector, and the second connector is disposed on a tank for storing liquid. The second connector is a hollow tube structure with one end tapered.

[0006] In some embodiments, the side wall of the corner bend is provided with a connecting thread, and the connecting thread is engaged in a threaded groove, which is formed on the inner wall of the connecting sleeve.

[0007] In some embodiments, the corner bend sleeve has a first annular groove on one end of the connecting sleeve, and a first sealing ring that provides a sealing effect is sleeved in the first annular groove, and the first sealing ring is pressed tightly against the inner wall of the connecting sleeve.

[0008] In some embodiments, a second annular groove is provided on the end of the corner bend away from the connecting sleeve, and a second sealing ring for providing sealing performance is sleeved in the second annular groove, the second sealing ring being pressed tightly against the inner wall of the connector.

[0009] In some embodiments, the mating head is provided with a hexagonal turntable for easy rotation, and the side wall of the mating head is provided with mating threads for installation.

[0010] This utility model has at least the following beneficial effects:

[0011] This utility model connects the corner bend to the connecting sleeve through the mutual cooperation of the connecting thread and the thread groove. The first sealing ring ensures the sealing of the connection. After the connection, the first connector connects the rubber tube and the tank to form a liquid storage structure. Finally, the fastening sleeve is used for pressing. It can achieve 360-degree rotation. At the same time, the fastening sleeve can prevent the connection from loosening due to rotation. It will not cause the joint and the tank wall to loosen, effectively avoiding water leakage at the tank wall and the joint. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0014] Figure 3 This is a schematic diagram of the overall structure of Embodiment 2 of this utility model;

[0015] Figure 4 This is a schematic diagram of the exploded structure of Embodiment 2 of this utility model.

[0016] In the diagram: 1. Connecting joint; 2. Corner bend; 3. Connecting sleeve; 4. First connector; 5. Rubber hose; 6. Second connector; 7. Tank body; 8. Connecting thread; 9. Threaded groove; 10. First annular groove; 11. First sealing ring; 12. Second annular groove; 13. Second sealing ring; 14. Hexagonal turntable; 15. Butt thread; 16. Fastening sleeve. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example 1:

[0019] Please see Figure 1-2This utility model provides a technical solution: a connector structure for a backpack sprayer bottle body, including a connector 1, which is sleeved on one end of a corner bend 2, and the other end of the corner bend 2 is sleeved in a connecting sleeve 3. A first connector 4 is provided on the connecting sleeve 3, and the first connector 4 is sleeved on one end of a rubber tube 5. A fastening sleeve 16 is sleeved on the end of the rubber tube 5 near the first connector 4, and the fastening sleeve 16 presses one end of the rubber tube 5 tightly against the outer wall of the first connector 4. The connector 1 serves as a standardized interface, providing a universal interface for connecting external spraying equipment, adapting to different spraying systems. 2. It optimizes the fluid path, changes the direction of liquid flow, avoids right-angle bends in the hose 5, reduces liquid flow resistance, improves spraying efficiency, and prevents the hose 5 from breaking due to long-term bending. The connecting sleeve 3 serves as a transition between the corner bend 2 and the first connector 4, providing stable support, dispersing mechanical stress, and preventing breakage at the joint. The first connector 4 connects the hose 5 to form a liquid channel. The fastening sleeve 16 fixes the hose 5 and the first connector 4 by mechanical compression without glue or heat fusion, making disassembly and assembly convenient, applying pressure evenly, and preventing local deformation or detachment of the hose 5. All components can be quickly disassembled for easy cleaning or replacement.

[0020] The other end of the hose 5 is fitted with a second connector 6, which is mounted on the tank 7 used for liquid storage. The second connector 6 is a hollow tube structure with a tapered end. A connecting thread 8 is provided on the side wall of the corner bend 2, and the connecting thread 8 is fitted into a threaded groove 9, which is located on the inner wall of the connecting sleeve 3. A first annular groove 10 is provided on the end of the corner bend 2 that is fitted into the connecting sleeve 3, and a first sealing ring 11, which provides a sealing effect, is fitted into the first annular groove 10. The first sealing ring 11 is tightly pressed against the... On the inner wall of the connecting sleeve 3; the tapered hollow tube structure of the second connector 6 facilitates the insertion of the connecting hose 5 into the liquid storage tank 7 and forms a seal. The tapered structure can be inserted into the tank 7 without precise alignment, which is suitable for quick assembly. The connecting thread 8 is connected to the threaded groove 9. The corner bend 2 is fixed in the connecting sleeve 3 through the threaded engagement, which replaces the simple sleeve connection. The threaded engagement provides mechanical interlocking to prevent high pressure liquid flow or external force pulling from causing disengagement. The threaded connection is detachable, which is convenient for cleaning or replacing the first sealing ring 11.

[0021] A second annular groove 12 is provided on the end of the corner bend 2 away from the connecting sleeve 3, and a second sealing ring 13 for providing sealing performance is sleeved in the second annular groove 12. The second sealing ring 13 is pressed tightly against the inner wall of the connector 1. The connector 1 is provided with a hexagonal turntable 14 for easy rotation, and a mating thread 15 for installation is provided on the side wall of the connector 1. The second annular groove 12 and the second sealing ring 13 are located at the end of the corner bend 2 away from the connecting sleeve 3, forming a dynamic sealing interface with the inner wall of the connector 1. The hexagonal turntable 14 is integrated into the hexagonal planar structure of the outer wall of the connector 1 to provide a tool force application point. The mating thread 15 is a standard thread on the side wall of the connector 1 for connecting the inner wall of the pot body.

[0022] The entire structure connects the corner bend 2 to the connecting sleeve 3 through the mutual cooperation of the connecting thread 8 and the thread groove 9. The first sealing ring 11 ensures the sealing of the connection. After the connection, the first connector 4 connects the rubber tube 5 and the liquid storage structure composed of the tank body 7. Finally, the fastening sleeve 16 is used for pressing. It can achieve 360-degree rotation. At the same time, the fastening sleeve 16 can prevent the connection from loosening due to rotation, and will not cause the joint and the tank wall to loosen, effectively avoiding water leakage at the tank wall and the joint.

[0023] Example 2:

[0024] Please see Figure 3-4 This utility model provides a technical solution: a connector structure for a backpack sprayer bottle body, including a connector 1, which is sleeved on one end of a corner bend 2. The other end of the corner bend 2 is sleeved on one end of a rubber tube 5. A fastening sleeve 16 is sleeved on the end of the rubber tube 5 near the corner bend 2, and the fastening sleeve 16 presses one end of the rubber tube 5 tightly against the outer wall of the corner bend 2. A second connector 6 is sleeved on the other end of the rubber tube 5, and the second connector 6 is disposed on a container 7 for storing liquid. The second connector 6 is a hollow tube structure with one tapered end. The structure includes a second annular groove 12 on one end of the corner bend 2, which is far from the hose 5. A second sealing ring 13 is fitted into the second annular groove 12 to provide a seal. The second sealing ring 13 is pressed tightly against the inner wall of the connector 1. The connector 1 is equipped with a hexagonal turntable 14 for easy rotation. The side wall of the connector 1 is provided with a mating thread 15 for installation. The connector 1 serves as the core connector, with one end connected to the inner wall of the container via the mating thread 15, and the other end fitted onto the corner bend 2. The corner bend 2 can be modified... By changing the pipeline direction and optimizing the fluid path, the number of bends in the hose 5 is reduced. One end of the corner bend 2 is nested with the connector 1 and sealed by the second sealing ring 13. The other end is connected to the hose 5 and fixed by the fastening sleeve 16. The second connector 6, with its conical hollow tube structure, is inserted into the tank 7 to achieve liquid delivery. The second sealing ring 13 is embedded in the second annular groove 12 to fill the gap between the connector 1 and the corner bend 2, preventing leakage of high-pressure liquid. The fastening sleeve 16 fixes the hose 5 and the corner bend 2 by mechanical compression, without the need for adhesive or heat fusion, making disassembly and assembly convenient. The quick and even force distribution prevents local deformation or detachment of the hose 5. The second connector 6, a conical hollow tube, is inserted into the tank 7 to form a liquid outlet. The conical design facilitates installation and sealing. The hose 5 has a flexible connection, absorbs vibration, and adapts to the movement of the sprayer, reducing mechanical stress between the tank and the spray bar. The whole structure is a modular quick-release structure. The connector 1 and the corner bend 2 can be quickly separated for easy cleaning or replacement of parts. When used with the fastening sleeve 16 for crimping, it can achieve 360-degree rotation, preventing loosening of the connector and tank wall during rotation.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A connector structure for a backpack sprayer bottle body, comprising a connector (1), characterized in that: The connector (1) is sleeved on one end of the corner bend (2), and the other end of the corner bend (2) is sleeved in the connecting sleeve (3). The connecting sleeve (3) is provided with a first connector (4), which is sleeved on one end of the hose (5). A fastening sleeve (16) is sleeved on one end of the hose (5) near the first connector (4), and the fastening sleeve (16) presses one end of the hose (5) tightly against the outer wall of the first connector (4).

2. The connector structure of the backpack sprayer bottle body according to claim 1, characterized in that: The other end of the hose (5) is fitted with a second connector (6), and the second connector (6) is set on the tank (7) for storing liquid. The second connector (6) is a hollow tube structure with a tapered end.

3. The connector structure of the backpack sprayer bottle body according to claim 1, characterized in that: The corner bend (2) is provided with a connecting thread (8) on its side wall, and the connecting thread (8) is connected in the thread groove (9), which is opened on the inner wall of the connecting sleeve (3).

4. The connector structure of the backpack sprayer bottle body according to claim 3, characterized in that: The corner bend (2) is sleeved on one end of the connecting sleeve (3) and a first annular groove (10) is provided. A first sealing ring (11) that provides a sealing effect is sleeved in the first annular groove (10). The first sealing ring (11) is pressed tightly against the inner wall of the connecting sleeve (3).

5. The connector structure of the backpack sprayer bottle body according to claim 4, characterized in that: The corner bend (2) has a second annular groove (12) on the end away from the connecting sleeve (3), and a second sealing ring (13) for providing sealing performance is sleeved in the second annular groove (12), and the second sealing ring (13) is pressed tightly against the inner wall of the connector (1).

6. The connector structure of the backpack sprayer bottle body according to claim 5, characterized in that: The connector (1) is provided with a hexagonal turntable (14) that facilitates its own rotation, and the side wall of the connector (1) is provided with a mating thread (15) for installation.

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