Rotary sleeve positioning structure of foam sprinkling can

Abstract

The utility model provides a rotary sleeve positioning structure of a foam sprinkling can, and belongs to the technical field of foam sprinkling cans. The problems that an existing foam spraying state adjusting structure is complex in design, parts are tedious to assemble, and the product manufacturing cost is high are solved. The rotary sleeve positioning structure of the foam sprinkling can comprises a valve body, a flow guide sleeve, a filter element guide pipe and a rotary sleeve, one end of the flow guide sleeve is connected with the valve body, the other end of the flow guide sleeve is connected with one end of the filter element guide pipe, a nozzle is arranged at the other end of the filter element guide pipe, and the rotary sleeve is arranged on the periphery of the flow guide sleeve and the filter element guide pipe in a sleeving mode. A jet orifice adjusting structure for adjusting the size of the jet orifice is arranged between the interior of the outer end of the rotary sleeve and the nozzle, and when the rotary sleeve rotates relative to the flow guide sleeve and the filter element guide pipe, the jet orifice adjusting structure adjusts the size of the jet orifice. According to the structure, adjustment control over the foam spraying angle is omitted, so that the foam spraying adjustment structure is simpler in design and convenient to assemble, and the manufacturing cost of a product is further reduced.

Description

Technical Field

[0001] This utility model belongs to the field of foam spray bottle technology, and specifically refers to a rotating sleeve positioning structure for a foam spray bottle. Background Technology

[0002] The high-pressure foam sprayer is used to connect to a high-pressure washer. Through the high-pressure water flow of the high-pressure washer, the suction tube draws cleaning agent from the liquid tank using the siphon effect. After mixing with the high-pressure water flow, the mixture passes through a high-density metal filter to produce thick foam, which is then ejected in a fan shape through a flat nozzle. It is used for cleaning vehicles and for daily cleaning.

[0003] Currently, a high-pressure foam sprayer [Authorization Announcement No.: CN206543663U] has been disclosed on the China Patent Network. It includes a sprayer body, which comprises a base, a body, a top nut, a dispensing pipe, a connector, a tubular knob, a metal mesh, a nozzle, a tightening nut, a circular knob, and a connector. The base is fixedly connected to the bottom of the body. The dispensing pipe is connected to the top of the body via the top nut, extending through the nut into the body. A connector is provided on the dispensing pipe, with a circular knob at its top and a tightening nut below it. A connector is located on one side of the connector, and a tubular knob is tightened on the other side. The tubular knob and connector are connected by threads. A nozzle is located on one side of the tubular knob, also connected by threads. A metal mesh is positioned between the tubular knob and nozzle, inside both the knob and nozzle. A nozzle is located inside the nozzle.

[0004] The tubular knob in the high-pressure foam sprayer is used to adjust the foam spraying state. The nozzle is threadedly connected to the tubular knob, so rotating the tubular knob will inevitably drive the nozzle to rotate as well. The rotation of the nozzle will cause the foam spraying angle to change. In addition, rotating the nozzle alone will also cause the foam spraying angle to change. However, in actual use, the change of foam spraying angle is not very practical for high-pressure foam sprayers, which makes the structural design more complicated and the assembly between parts more cumbersome, thus increasing the manufacturing cost of the product. Summary of the Invention

[0005] The purpose of this utility model is to address the aforementioned problems in existing technologies by proposing a rotating sleeve positioning structure for foam sprayers. The technical problem to be solved by this utility model is: how to solve the problem of high product manufacturing costs due to the complex design of foam spraying state adjustment structure and the cumbersome assembly of parts.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A rotating sleeve positioning structure for a foam sprayer includes a valve body, a flow guide sleeve, a filter cartridge guide tube, and a rotating sleeve. One end of the flow guide sleeve is connected to the valve body, and the other end of the flow guide sleeve is connected to one end of the filter cartridge guide tube. The other end of the filter cartridge guide tube is provided with a nozzle having a spray orifice. The rotating sleeve is sleeved around the flow guide sleeve and the filter cartridge guide tube. An orifice adjustment structure for adjusting the size of the spray orifice is provided between the outer end of the rotating sleeve and the nozzle. When the rotating sleeve rotates relative to the flow guide sleeve and the filter cartridge guide tube, the orifice adjustment structure adjusts the size of the spray orifice.

[0008] This structure adjusts the size of the spray nozzle by rotating a rotating sleeve, thereby regulating the foam spraying state. During the rotation of the rotating sleeve, the filter cartridge guide tube and the flow guide sleeve remain stationary. Because the rotating sleeve completely covers the filter cartridge guide tube and the flow guide sleeve, the rotating sleeve is relatively long, making it easy for the user to grip and apply force. In actual use, this improves the convenience of adjusting the spray nozzle size. The nozzle is fixed to the outer end of the filter cartridge guide tube and cannot rotate. The nozzle also remains stationary during the rotation of the rotating sleeve. This eliminates the need for adjusting the foam spraying angle, making the foam spraying adjustment structure simpler, easier to assemble, and thus reducing the product's manufacturing cost.

[0009] In the aforementioned rotating sleeve positioning structure for a foam sprayer, the valve body has a water outlet connector, one end of the guide sleeve is inserted into the water outlet connector, and the one end of the guide sleeve and the water outlet connector are positioned by a U-shaped pin. The connection between one end of the guide sleeve and the water outlet connector of the valve body via the U-shaped pin is simple in structure and provides circumferential limitation for the guide sleeve, preventing circumferential rotation.

[0010] In the aforementioned rotating sleeve positioning structure for a foam sprayer, a limiting boss is provided on the outer circumferential surface of one end of the guide sleeve. The limiting boss has parallel limiting planes on opposite sides. One end of the filter cartridge guide tube has a connector with a positioning groove. The limiting boss is embedded in the positioning groove, and the inner wall of the positioning groove has two limiting walls that respectively abut against the corresponding limiting planes. This assembly structure of the connector and the limiting boss prevents the filter cartridge guide tube from rotating circumferentially, achieving circumferential positioning of the filter cartridge guide tube. This ensures that the filter cartridge guide tube does not rotate during the rotation of the sleeve, thereby preventing the nozzle from rotating and eliminating the need for nozzle spray angle adjustment.

[0011] In the aforementioned rotating sleeve positioning structure for a foam sprayer, one end of the connector has a stepped surface, and the inner wall of the rotating sleeve has a pressing protrusion that abuts against the stepped surface. The structure of the pressing protrusion abutting against the stepped surface ensures that the filter cartridge guide is pressed and positioned, and the filter cartridge guide is positioned axially, preventing circumferential rotation or movement, thus guaranteeing the stability of the assembly between the connector and the limiting protrusion.

[0012] In the aforementioned rotating sleeve positioning structure for a foam sprayer, an annular limiting groove is formed on the outer circumferential surface of the guide sleeve. This rotating sleeve positioning structure also includes a limiting pin, which passes through the limiting groove, with both ends penetrating the outer side wall of the inner end of the rotating sleeve. This structure achieves axial positioning of the rotating sleeve while ensuring that the rotating sleeve can rotate circumferentially.

[0013] In the aforementioned rotating sleeve positioning structure of a foam sprayer, the nozzle includes two elastic plates, forming the spray nozzle between them. One end of the filter cartridge guide tube is connected to a positioning seat, which has two elastic pressure plates. The nozzle is disposed within the positioning seat. Each elastic plate is in contact with the inner wall of the corresponding elastic pressure plate. A protruding post is provided on the outer surface of the outer end of each elastic pressure plate. One end of the rotating sleeve has two arc-shaped sliding walls. The outer end of each protruding post is slidably disposed on the sliding wall. When the rotating sleeve is rotated, the protruding post slides along the sliding wall, causing the two elastic plates to move closer or further apart. As the rotating sleeve rotates, the protruding post gradually presses against the elastic pressure plate, causing the plate to deform and further press against the elastic plate, bringing the two elastic plates closer together and thus reducing the spray nozzle size. Conversely, when the rotating sleeve is rotated in the opposite direction, the protruding post gradually releases pressure on the elastic pressure plate, which automatically resets under its own elasticity, causing the two elastic plates to move further apart and thus increasing the spray nozzle size.

[0014] Compared with the prior art, the rotating sleeve positioning structure of the foam sprayer of this utility model has the following advantages: This structure adjusts the size of the spray nozzle by rotating the rotating sleeve, thereby adjusting the foam spraying state. During the rotation of the rotating sleeve, the filter cartridge tube and the flow guide sleeve remain stationary. Since the rotating sleeve completely covers the filter cartridge tube and the flow guide sleeve, the size of the rotating sleeve is relatively long, making it convenient for the user to hold and apply force. In actual use, this improves the convenience of adjusting the size of the spray nozzle. The nozzle is fixed to the outer end of the filter cartridge tube and cannot rotate. The nozzle also remains stationary during the rotation of the rotating sleeve. This structure eliminates the need for adjusting the foam spraying angle, making the structural design of foam spraying adjustment simpler, easier to assemble, and thus reducing the manufacturing cost of the product. Attached Figure Description

[0015] Figure 1This is one of the three-dimensional structural schematic diagrams of this utility model.

[0016] Figure 2 This is one of the cross-sectional structural schematic diagrams of this utility model.

[0017] Figure 3 This is the second cross-sectional structural schematic diagram of this utility model.

[0018] Figure 4 This is an exploded structural diagram of the present invention.

[0019] Figure 5 This is a partial three-dimensional structural schematic diagram of the present invention.

[0020] Figure 6 This is the second partial three-dimensional structural schematic diagram of this utility model.

[0021] Figure 7 This is a three-dimensional structural diagram of the rotating sleeve of this utility model.

[0022] In the diagram, 1 is the valve body; 10 is the water outlet connector; 2 is the flow guide sleeve; 20 is the limiting boss; 21 is the limiting plane; 22 is the limiting groove; 3 is the filter element guide tube; 30 is the connector; 31 is the positioning groove; 32 is the limiting wall; 33 is the stepped surface; 4 is the rotating sleeve; 40 is the clamping protrusion; 41 is the sliding wall; 5 is the nozzle; 50 is the spray port; 6 is the U-pin; 51 is the elastic plate; 7 is the limiting pin; 8 is the positioning seat; 80 is the elastic pressure plate; and 81 is the protruding column. Detailed Implementation

[0023] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0024] like Figures 1 to 7As shown, the rotating sleeve 4 positioning structure of this foam sprayer includes a valve body 1, a flow guide sleeve 2, a filter cartridge guide tube 3, and a rotating sleeve 4. One end of the flow guide sleeve 2 is connected to the valve body 1, and the other end of the flow guide sleeve 2 is connected to one end of the filter cartridge guide tube 3. The other end of the filter cartridge guide tube 3 is provided with a nozzle 5, which has a spray port 50. The rotating sleeve 4 is sleeved around the flow guide sleeve 2 and the filter cartridge guide tube 3. There is a spray port 50 adjustment structure between the outer end of the rotating sleeve 4 and the nozzle 5 to adjust the size of the spray port 50. When the rotating sleeve 4 rotates relative to the flow guide sleeve 2 and the filter cartridge guide tube 3, the spray port adjustment structure adjusts the size of the spray port 50. In this embodiment, the spray nozzle adjustment structure is as follows: the nozzle 5 includes two elastic plates 51, and a spray nozzle 50 is formed between the two elastic plates 51. One end of the filter element guide tube 3 is connected to a positioning seat 8. The positioning seat 8 has two elastic pressure plates 80. The nozzle 5 is set inside the positioning seat 8. Each elastic plate 51 is in contact with the inner wall of the corresponding elastic pressure plate 80. A protruding post 81 is provided on the outer side of the outer end of each elastic pressure plate 80. One end of the rotating sleeve 4 has two arc-shaped sliding walls 41. The outer end of each protruding post 81 is slidably set on the sliding wall 41. When the rotating sleeve 4 is rotated, the protruding post 81 slides along the sliding wall 41 to make the two elastic plates 51 move closer or further away from each other. This structure adjusts the size of the spray nozzle 50 by rotating the rotating sleeve 4, thereby adjusting the foam spraying state. During the rotation of the rotating sleeve 4, the filter cartridge guide tube 3 and the flow guide sleeve 2 remain stationary. Since the rotating sleeve 4 completely covers the filter cartridge guide tube 3 and the flow guide sleeve 2, the rotating sleeve 4 is relatively long, making it convenient for the user to hold and apply force. In actual use, this improves the convenience of adjusting the size of the spray nozzle 50. The nozzle 5 is fixed to the outer end of the filter cartridge guide tube 3 and cannot rotate. The nozzle 5 also remains stationary during the rotation of the rotating sleeve 4. This eliminates the need for foam spraying angle adjustment control, making the foam spraying adjustment structure design simpler, easier to assemble, and thus reducing the product manufacturing cost.

[0025] The specific adjustment process is as follows: when rotating the rotating sleeve 4, the protruding column 81 gradually squeezes the elastic pressure plate 80, the elastic pressure plate 80 deforms and squeezes the elastic sheet 51, so that the two elastic sheets 51 gradually approach each other, thereby reducing the size of the injection nozzle; conversely, when rotating the rotating sleeve 4 in the opposite direction, the protruding column 81 gradually releases the pressure on the elastic pressure plate 80, and the elastic pressure plate 80 automatically resets under its own elasticity, so that the two elastic sheets 51 move away from each other, thereby increasing the size of the injection nozzle 50.

[0026] like Figures 1 to 7As shown, the valve body 1 has a water outlet connector 10. One end of the guide sleeve 2 is inserted into the water outlet connector 10. The one end of the guide sleeve 2 and the water outlet connector 10 are positioned by a U-shaped pin 6. First, the one end of the guide sleeve 2 is positioned on the water outlet connector 10 by the U-shaped pin 6. The outer circumferential surface of one end of the guide sleeve 2 has a limiting boss 20. The two opposite sides of the limiting boss 20 have mutually parallel limiting planes 21. One end of the filter element guide tube 3 has a connector 30. The connector 30 has a positioning groove 31. The limiting boss 20 is embedded in the positioning groove 31. The inner wall of the positioning groove 31 has two limiting walls 32. The two limiting walls 32 are respectively attached to the corresponding limiting planes 21. The assembly structure of the limiting boss 20 and the connector 30 makes one end of the filter element guide tube 3 positioned, so that the filter element guide tube 3 cannot rotate. One end of the connector 30 has a stepped surface 33, and the inner wall of the rotating sleeve 4 has a pressing protrusion 40 that abuts against the stepped surface 33. The rotating sleeve 4 presses the filter element guide tube 3 by the pressing protrusion 40, thereby achieving axial positioning of the filter element guide tube 3. The limiting boss 20 and the connector 30 will not detach, ensuring the connection stability between the limiting boss 20 and the connector 30. The outer circumferential surface of the guide sleeve 2 is provided with an annular limiting groove 22. The positioning structure of this rotating sleeve 4 also includes a limiting pin 7, which passes through the limiting groove 22, and both ends of the limiting pin 7 penetrate the outer wall of the inner end of the rotating sleeve 4. This structure achieves axial positioning of the rotating sleeve 4, so that the rotating sleeve 4 can only rotate circumferentially. In addition, the cooperation structure between the protruding column 81 and the sliding wall 41 also provides rotational support for the outer end of the rotating sleeve 4, ensuring the rotational stability of the rotating sleeve 4.

[0027] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A rotating sleeve positioning structure for a foam sprayer, comprising a valve body (1), a flow guide sleeve (2), a filter cartridge guide tube (3), and a rotating sleeve (4), wherein one end of the flow guide sleeve (2) is connected to the valve body (1), and the other end of the flow guide sleeve (2) is connected to one end of the filter cartridge guide tube (3), characterized in that, The other end of the filter element conduit (3) is provided with a nozzle (5), the nozzle (5) has a spray port (50), the rotating sleeve (4) is sleeved on the periphery of the flow guide sleeve (2) and the filter element conduit (3), and the outer end of the rotating sleeve (4) has a spray port (50) adjustment structure between the nozzle (5) and the outer end of the rotating sleeve (4). When the rotating sleeve (4) rotates relative to the flow guide sleeve (2) and the filter element conduit (3), the spray port adjustment structure adjusts the size of the spray port (50).

2. The rotating sleeve positioning structure for a foam spray bottle according to claim 1, characterized in that, The valve body (1) has a water outlet connector (10), one end of the flow guide sleeve (2) is inserted into the water outlet connector (10), and the one end of the flow guide sleeve (2) is positioned with the water outlet connector (10) by a U-shaped pin (6).

3. The rotating sleeve positioning structure for a foam spray bottle according to claim 1, characterized in that, The outer circumferential surface of one end of the guide sleeve (2) has a limiting boss (20), and the two opposite sides of the limiting boss (20) have mutually parallel limiting planes (21). One end of the filter element guide tube (3) has a connector (30), and the connector (30) has a positioning groove (31). The limiting boss (20) is embedded in the positioning groove (31). The inner wall of the positioning groove (31) has two limiting walls (32), and the two limiting walls (32) are respectively attached to the corresponding limiting planes (21).

4. The rotating sleeve positioning structure for a foam spray bottle according to claim 3, characterized in that, One end of the connector (30) has a stepped surface (33), and the inner wall of the rotating sleeve (4) has a pressing protrusion (40) that abuts against the stepped surface (33).

5. A rotating sleeve positioning structure for a foam sprayer according to any one of claims 1 to 4, characterized in that, The outer circumferential surface of the guide sleeve (2) is provided with an annular limiting groove (22). The positioning structure of this rotating sleeve (4) also includes a limiting pin (7). The limiting pin (7) passes through the limiting groove (22), and both ends of the limiting pin (7) penetrate the outer side wall of the inner end of the rotating sleeve (4).

6. A rotating sleeve positioning structure for a foam sprayer according to any one of claims 1 to 4, characterized in that, The nozzle (5) includes two elastic plates (51), and the spray port (50) is formed between the two elastic plates (51). One end of the filter element guide tube (3) is connected to a positioning seat (8). The positioning seat (8) has two elastic pressure plates (80). The nozzle (5) is set inside the positioning seat (8). Each elastic plate (51) is in contact with the inner wall of the corresponding elastic pressure plate (80). Each elastic pressure plate (80) has a protruding column (81) on the outer side of its outer end. One end of the rotating sleeve (4) has two arc-shaped sliding walls (41). The outer end of each protruding column (81) is slidably set on the sliding wall (41). When the rotating sleeve (4) is rotated, the protruding column (81) slides along the sliding wall (41) to make the two elastic plates (51) move closer or further away from each other.

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