A spray gun structure for adjusting the rotation angle of a fan-shaped water pattern

Abstract

The utility model provides a kind of spray gun structure of adjusting fan-shaped water shape rotation angle, belong to spray gun technical field.It solves the problem of the limited rotation angle of existing fan-shaped water shape and inconvenient operation.This spray gun structure, including gun barrel, nozzle seat and rotating sleeve, the rear end of nozzle seat is inserted in the front end of gun barrel, nozzle is fixed in nozzle seat, rotating sleeve is set in the front end of gun barrel, rotating sleeve can rotate along circumference relative to gun barrel, nozzle seat is connected by U-shaped pin between gun barrel, nozzle seat can rotate along circumference relative to gun barrel, rotating sleeve has mounting plate, limit hole is opened on mounting plate, the front end of nozzle seat is inserted in limit hole, rotating sleeve drives nozzle seat to rotate relative to gun barrel after rotating.The rotation angle of the fan-shaped water shape of this structure is adjusted conveniently, the rotation angle of fan-shaped water shape is adjusted in large range, rotation angle can be adjusted arbitrarily, different fan-shaped water shape rotation angle is used for different cleaning surface, and best cleaning effect is achieved.

Description

Technical Field

[0001] This utility model belongs to the field of spray gun technology, and specifically refers to a spray gun structure that adjusts the rotation angle of the fan-shaped water jet. Background Technology

[0002] Currently, a pressure regulating gun head [Authorization Announcement No.: CN210846831U] has been disclosed on the Chinese Patent Network. The quick-connect fitting has a nozzle seat at its front end, a nozzle is installed in the nozzle seat, and a pressure regulating sleeve is fitted over the nozzle seat and quick-connect fitting. A rotating sleeve is fitted over the front part of the pressure regulating sleeve, and a fan-shaped control plate is installed in the rotating sleeve. A duckbill plate is installed in the fan-shaped control plate. A front hole is provided at the front end of the pressure regulating sleeve, corresponding to the nozzle. The outer wall of the front part of the nozzle seat has an outer taper, and the inner wall of the front part of the pressure regulating sleeve has an inner taper, corresponding to the outer taper. In use, rotating the pressure regulating sleeve forward adjusts the distance and gap between the inner taper of the pressure regulating sleeve and the outer taper of the nozzle seat. When the pressure regulating sleeve is tightened, there is zero gap between the regulating sleeve and the nozzle seat, and water can only exit through the nozzle inside the nozzle seat, generating high pressure. Furthermore, rotating the rotating sleeve controls the opening size of the duckbill plate, allowing the high-pressure water pattern to switch between a straight line and a fan shape, and the angle of the fan shape can be controlled.

[0003] The aforementioned pressure-regulating nozzle has the following drawbacks: When the nozzle shaft is not rotating, the sleeve can rotate relative to the shaft, changing the water pattern ejected from the shaft from a cylindrical shape to a fan shape. However, the fan-shaped water pattern cannot rotate relative to the shaft. To rotate the angle of the fan-shaped water pattern during use, the shaft must be rotated, which is inconvenient and limits the rotation angle of the fan-shaped water pattern. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a spray gun structure that adjusts the rotation angle of a fan-shaped water jet. The technical problem to be solved by this invention is: how to solve the problem of limited rotation angle and inconvenient operation of existing fan-shaped water jets.

[0005] The objective of this utility model can be achieved through the following technical solutions:

[0006] A spray gun structure for adjusting the rotation angle of a fan-shaped spray pattern includes a gun barrel, a nozzle seat, and a rotating sleeve. The rear end of the nozzle seat is inserted into the front end of the gun barrel, and a nozzle is fixed inside the nozzle seat. The rotating sleeve is sleeved on the front end of the gun barrel and is circumferentially rotatable relative to the gun barrel. The nozzle seat and the gun barrel are connected by a U-shaped pin. The nozzle seat is circumferentially rotatable relative to the gun barrel. The rotating sleeve has a mounting plate with a limiting hole. The front end of the nozzle seat passes through the limiting hole. Rotation of the rotating sleeve causes the nozzle seat to rotate relative to the gun barrel.

[0007] Working principle:

[0008] Rotating the sleeve causes the nozzle seat to rotate via the mounting plate, resulting in a rotation of the nozzle seat relative to the gun rod. Since the nozzle is located inside the nozzle seat, it also rotates relative to the gun rod. This rotation causes the fan-shaped water spray to rotate at a certain angle, thus adjusting the rotation angle of the fan-shaped water spray. Because the sleeve can rotate the nozzle seat 360°, the fan-shaped water spray can rotate 360° with the sleeve. The rotation angle adjustment is convenient and has a wide range, allowing for arbitrary adjustment of the rotation angle. Different fan-shaped water spray rotation angles can be used for different cleaning surfaces to achieve the best cleaning effect.

[0009] In the above-described spray gun structure for adjusting the rotation angle of a fan-shaped water jet, the wall of the limiting hole has a straight wall, and the outer peripheral surface of the front end of the nozzle seat has a straight surface, with the straight surface and the straight wall fitting together. This fitting structure of the straight surface and the straight wall allows the mounting plate to circumferentially limit the nozzle seat, thus enabling the nozzle seat to rotate directly when the sleeve rotates.

[0010] In the above-described spray gun structure for adjusting the rotation angle of a fan-shaped spray pattern, the nozzle seat has a mounting hole, and the nozzle is disposed within the mounting hole and press-fitted with the nozzle seat. This structure allows the nozzle to be fixed within the nozzle seat, enabling the nozzle to rotate synchronously with the nozzle seat. Alternatively, the nozzle and nozzle seat can be designed as a single integral component.

[0011] In the aforementioned spray gun structure for adjusting the rotation angle of a fan-shaped water jet, the front end of the gun barrel has a front limiting ring and a rear limiting ring, with a clearance space between them. A through hole is formed on the outer wall of the sleeve, and an elastic arm is provided within the wall of the through hole, arranged axially along the sleeve. The front end of the elastic arm abuts against the front limiting ring. The rear side of the rear limiting ring has an annular limiting flange, and the rear end of the sleeve abuts against the limiting flange. The clearance space accommodates the elastic arm, with its front end abutting against the front limiting ring and its rear end against the limiting flange. This structure achieves axial limiting of the sleeve, allowing it to rotate only circumferentially.

[0012] In the above-described spray gun structure for adjusting the rotation angle of a fan-shaped water jet, there are at least two through holes, all of which are spaced apart circumferentially along the sleeve, and each through hole is provided with an elastic arm. Multiple elastic arms limit the movement of the sleeve, making the axial limiting structure relatively stable and secure.

[0013] Compared with the prior art, the spray gun structure of this utility model with adjustable fan-shaped water spray angle has the following advantages: the rotating sleeve of this structure can drive the nozzle seat to rotate 360°, so that the sprayed fan-shaped water spray can rotate 360° with the rotating sleeve. The rotation angle adjustment of the fan-shaped water spray is convenient and has a large adjustment range. The rotation angle can be adjusted arbitrarily, and different fan-shaped water spray rotation angles can be used for different cleaning surfaces to achieve the best cleaning effect. Attached Figure Description

[0014] Figure 1 This is a cross-sectional structural diagram of the present invention.

[0015] Figure 2 yes Figure 1 A magnified structural diagram of part A in the middle.

[0016] Figure 3 This is a partial three-dimensional structural schematic diagram of the present invention.

[0017] Figure 4 This is one of the three-dimensional structural schematic diagrams of the screw sleeve of this utility model.

[0018] Figure 5 This is the second three-dimensional structural schematic diagram of the screw sleeve of this utility model.

[0019] In the diagram, 1 is the gun barrel; 100 is the front limiting ring; 101 is the rear limiting ring; 2 is the nozzle seat; 20 is the straight surface; 21 is the mounting hole; 3 is the swivel sleeve; 30 is the mounting plate; 31 is the through hole; 32 is the elastic arm; 4 is the limiting hole; 40 is the straight wall; 5 is the nozzle; 6 is the clearance space; and 7 is the U-shaped pin. Detailed Implementation

[0020] 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.

[0021] like Figures 1-5As shown, this spray gun structure for adjusting the rotation angle of the fan-shaped water spray includes a gun rod 1, a nozzle seat 2, and a sleeve 3. The rear end of the nozzle seat 2 is inserted into the front end of the gun rod 1. A nozzle 5 is fixed inside the nozzle seat 2. The nozzle seat 2 has a mounting hole 21. The nozzle 5 is set in the mounting hole and is interference-fitted with the nozzle seat 2. In this structure, the nozzle 5 and the nozzle seat 2 can also be designed as a single integral part. The sleeve 3 is sleeved on the front end of the gun rod 1. The sleeve 3 can rotate circumferentially relative to the gun rod 1. The nozzle seat 2 is connected to the gun rod 1 by a U-shaped pin 7. The nozzle seat 2 can rotate circumferentially relative to the gun rod 1. The sleeve 3 has a mounting plate 30. A limiting hole 4 is formed on the mounting plate 30. The front end of the nozzle seat 2 passes through the limiting hole 4. In this embodiment, the wall of the limiting hole 4 has a straight wall 40. The outer peripheral surface of the front end of the nozzle seat 2 has a straight surface 20. The straight surface 20 and the straight wall 40 are in contact. After the sleeve 3 rotates, it drives the nozzle seat 2 to rotate relative to the gun rod 1. Rotating the sleeve 3, the sleeve 3 drives the nozzle seat 2 to rotate via the mounting plate 30, causing the nozzle seat 2 to rotate relative to the gun rod 1. Since the nozzle 5 is set inside the nozzle seat 2, it also drives the nozzle 5 to rotate relative to the gun rod 1. After the nozzle 5 rotates, the sprayed fan-shaped water pattern rotates at a certain angle, thereby achieving the adjustment of the rotation angle of the fan-shaped water pattern. Since the sleeve 3 can drive the nozzle seat 2 to rotate 360 ​​degrees, the sprayed fan-shaped water pattern can rotate 360 ​​degrees with the sleeve 3. The adjustment of the rotation angle of the fan-shaped water pattern is convenient and has a large adjustment range. The rotation angle can be adjusted arbitrarily, and different fan-shaped water pattern rotation angles can be used for different cleaning surfaces to achieve the best cleaning effect.

[0022] In this embodiment, the limiting hole 4 has two straight walls 40 arranged symmetrically from left to right, and the outer peripheral surface of the front end of the nozzle seat 2 has two straight surfaces 20 arranged symmetrically from left to right. This structure makes the force more uniform and the rotation more stable when the sleeve drives the nozzle seat 2 to rotate.

[0023] like Figure 2 , Figure 3 and Figure 4As shown, the front end of the gun barrel 1 has a front limiting ring 100 and a rear limiting ring 101, with a clearance space 6 formed between the front limiting ring 100 and the rear limiting ring 101. A through hole 31 is provided on the outer wall of the sleeve 3. An elastic arm 32 is provided in the wall of the through hole 31 along the axial direction of the sleeve 3. The front end of the elastic arm 32 abuts against the front limiting ring 100. In this embodiment, there are at least two through holes 31, and all through holes 31 are spaced apart along the circumference of the sleeve 3. Each through hole 31 is provided with an elastic arm 32. The rear side of the rear limiting ring 101 has an annular limiting flange 102, and the rear end of the sleeve 3 abuts against the limiting flange 102. The clearance space 6 is used to accommodate the elastic arm 32. The front end of the elastic arm 32 abuts against the front limiting ring 100, and the rear end of the sleeve 3 abuts against the limiting flange 102. This structure achieves axial limiting of the sleeve 3, so that the sleeve 3 can only rotate in the circumferential direction.

[0024] 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 spray gun structure for adjusting the rotation angle of a fan-shaped water jet, comprising a gun rod (1), a nozzle seat (2), and a rotating sleeve (3), wherein the rear end of the nozzle seat (2) is inserted into the front end of the gun rod (1), a nozzle (5) is fixed inside the nozzle seat (2), and the rotating sleeve (3) is sleeved on the front end of the gun rod (1), and the rotating sleeve (3) is rotatable relative to the gun rod (1) in a circumferential direction, characterized in that, The nozzle seat (2) is connected to the gun rod (1) by a U-shaped pin (7). The nozzle seat (2) can rotate circumferentially relative to the gun rod (1). The sleeve (3) has a mounting plate (30) inside. The mounting plate (30) has a limiting hole (4). The front end of the nozzle seat (2) passes through the limiting hole (4). After the sleeve (3) rotates, it drives the nozzle seat (2) to rotate relative to the gun rod (1).

2. The spray gun structure for adjusting the rotation angle of the fan-shaped water jet according to claim 1, characterized in that, The wall of the limiting hole (4) has a straight wall (40), and the outer peripheral surface of the front end of the nozzle seat (2) has a straight surface (20), and the straight surface (20) and the straight wall (40) are in contact.

3. The spray gun structure for adjusting the rotation angle of the fan-shaped water jet according to claim 1, characterized in that, The nozzle seat (2) has a mounting hole (21), and the nozzle (5) is disposed in the mounting hole and is press-fitted with the nozzle seat (2).

4. The spray gun structure for adjusting the rotation angle of the fan-shaped water jet according to claim 1, characterized in that, The nozzle seat (2) and the nozzle (5) are integrally formed.

5. The spray gun structure for adjusting the rotation angle of the fan-shaped water jet according to claim 1, characterized in that, The front end of the gun barrel (1) has a front limiting ring (100) and a rear limiting ring (101), and a clearance space (6) is formed between the front limiting ring (100) and the rear limiting ring (101). A through hole (31) is provided on the outer wall of the sleeve (3). An elastic arm (32) is provided in the hole wall of the through hole (31) along the axial direction of the sleeve (3). The front end of the elastic arm (32) abuts against the front limiting ring (100). The rear side of the rear limiting ring (101) has an annular limiting flange (102), and the rear end of the sleeve (3) abuts against the limiting flange (102).

6. The spray gun structure for adjusting the rotation angle of the fan-shaped water jet according to claim 5, characterized in that, The through holes (31) are at least two in number, and all through holes (31) are spaced apart along the circumferential direction of the sleeve (3). Each through hole (31) is provided with the elastic arm (32).

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