Telescopic spray head device

Abstract

The utility model relates to a telescopic spray head device which comprises a supporting assembly, a telescopic assembly and a spray head assembly, and the supporting assembly comprises a shell and a supporting plate connected with one end of the shell; the telescopic assembly comprises a telescopic power element, a driving wheel, a speed reduction wheel, a rotating shaft, a cam, a telescopic rod and a sliding plate, the telescopic power element is installed in the shell and used for driving the driving wheel to rotate, the driving wheel drives the speed reduction wheel to rotate, and the rotating shaft penetrates through the cam and the speed reduction wheel; one end of the telescopic rod is rotationally connected to the eccentric position of the cam, and the other end penetrates through the shell; one end of the telescopic rod is connected with a sliding plate which is slidably arranged on the supporting plate; the sprayer assembly comprises a shell, a liquid inlet pipe and an air inlet pipe, the shell is installed on the sliding plate, and the liquid inlet pipe and the air inlet pipe communicate with the shell. The nozzle device drives the cam to rotate through the telescopic power element, and the telescopic rod reciprocates along with rotation of the cam to push the sliding plate to slide, so that the shell is driven to slide to spray different positions; the nozzle device is wide in spraying range and uniform in spraying.

Description

Technical Field

[0001] This utility model relates to the field of nozzle technology, and in particular to a telescopic nozzle device. Background Technology

[0002] Spray nozzles are used to spray liquids or gases and are widely used in daily life and industrial production. However, current spray nozzles are generally fixed or rotating, which limits the spray range and results in uneven spraying. Utility Model Content

[0003] Therefore, it is necessary to provide a telescopic nozzle device that provides uniform spraying to address the above problems.

[0004] A telescopic nozzle device includes a support assembly, a telescopic assembly, and a nozzle assembly. The support assembly includes a housing and a support plate connected to one end of the housing. The telescopic assembly includes a telescopic power element, a drive wheel, a reduction wheel, a rotating shaft, a cam, a telescopic rod, and a sliding plate. The telescopic power element is installed inside the housing and drives the drive wheel to rotate. The drive wheel drives the reduction wheel to rotate. The rotating shaft passes through the cam and the reduction wheel. One end of the telescopic rod is rotatably connected to the eccentric position of the cam, and the other end passes through the housing. One end of the telescopic rod is connected to the sliding plate, and the sliding plate slides on the support plate. The nozzle assembly includes a housing, a liquid inlet pipe, and an air inlet pipe. The housing is installed on the sliding plate, and the liquid inlet pipe and the air inlet pipe are respectively connected to the housing.

[0005] In one embodiment, the drive wheel meshes with the reduction wheel.

[0006] In one embodiment, the housing is threadedly connected to the skateboard.

[0007] In one embodiment, the support assembly further includes a fixing plate for engaging the telescopic power element with the housing.

[0008] In one embodiment, the support assembly further includes a guide rail mounted on the support plate, and the slide plate is slidably disposed on the guide rail.

[0009] In one embodiment, the housing includes a bottom shell portion and a cover plate portion, the cover plate portion covering the bottom shell portion.

[0010] In one embodiment, a rotational power element is further included, which is connected to the bottom of the housing and is used to drive the housing to rotate.

[0011] In one embodiment, the outer shell includes a sleeve portion, a transition portion, and a nozzle portion connected in sequence. The cross-sections of the transition portion and the nozzle portion are both inverted isosceles trapezoids, and the short side of the transition portion is equal to the long side of the nozzle portion. The liquid inlet pipe and the air inlet pipe are respectively connected to the outer shell.

[0012] In one embodiment, the telescopic assembly further includes a bearing and a drive shaft, the bearing being mounted at one end of the telescopic rod, and the drive shaft passing through the bearing and the cam.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] The telescopic nozzle device of this utility model drives the cam to rotate through a telescopic power element. The telescopic rod reciprocates with the rotation of the cam, pushing the slide plate to slide, thereby causing the outer shell to slide and spray different positions. This telescopic nozzle device has a wide spray range and uniform spray. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the assembly structure of a telescopic nozzle device according to an embodiment of the present invention;

[0016] Figure 2 for Figure 1 A partial sectional view of the telescopic nozzle device shown;

[0017] Figure 3 for Figure 1 A cross-sectional view of the nozzle assembly in the telescopic nozzle device shown.

[0018] The meanings of the numbers in the attached diagram are as follows:

[0019] 100. Telescopic nozzle device;

[0020] 10. Support assembly; 11. Housing; 111. Bottom shell; 112. Cover plate; 12. Support plate; 13. Fixing plate; 14. Guide rail; 20. Telescopic assembly; 21. Telescopic power element; 22. Drive wheel; 23. Reduction wheel; 24. Rotating shaft; 25. Cam; 26. Telescopic rod; 27. Slide plate; 28. Bearing; 29. ​​Drive shaft; 30. Nozzle assembly; 31. Housing; 311. Sleeve; 312. Transition section; 313. Nozzle; 32. Liquid inlet pipe; 33. Air inlet pipe; 40. Rotational power element. Detailed Implementation

[0021] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0022] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0026] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0027] Please refer to Figures 1 to 3 A telescopic nozzle device 100 according to one embodiment of the utility model includes a support assembly 10, a telescopic assembly 20, and a nozzle assembly 30. The support assembly 10 includes a housing 11 and a support plate 12 connected to one end of the housing 11. The telescopic assembly 20 includes a telescopic power element 21, a drive wheel 22, a reduction wheel 23, a rotating shaft 24, a cam 25, a telescopic rod 26, and a sliding plate 27. The telescopic power element 21 is installed inside the housing 11 and is used to drive the drive wheel 22 to rotate. Wheel 22 drives the reduction wheel 23 to rotate, and the rotating shaft 24 passes through the cam 25 and the reduction wheel 23; one end of the telescopic rod 26 is rotatably connected to the eccentric position of the cam 25, and the other end passes through the housing 11; one end of the telescopic rod 26 is connected to the slide plate 27, and the slide plate 27 is slidably mounted on the support plate 12; the nozzle assembly 30 includes a housing 31, a liquid inlet pipe 32, and an air inlet pipe 33, the housing 31 is mounted on the slide plate 27, and the liquid inlet pipe 32 and the air inlet pipe 33 are respectively connected to the housing 31. This telescopic nozzle device 100 drives the cam 25 to rotate through the telescopic power element 21, and the telescopic rod 26 reciprocates to push the slide plate 27 to slide with the rotation of the cam 25, thereby driving the housing 31 to slide and spray different positions.

[0028] like Figure 1 and Figure 2As shown, the support assembly 10 includes a housing 11 and a support plate 12 connected to one end of the housing 11. Optionally, the housing 11 includes a bottom shell portion 111 and a cover plate portion 112, with the cover plate portion 112 covering the bottom shell portion 111. Further, the support assembly 10 also includes a fixing plate 13, which is used to engage the telescopic power element 21 with the housing 11. The support assembly 10 also includes a guide rail 14 mounted on the support plate 12, with the sliding plate 27 slidably mounted on the guide rail 14.

[0029] Please check again. Figure 1 and Figure 2 The telescopic assembly 20 includes a telescopic power element 21, a drive wheel 22, a reduction wheel 23, a rotating shaft 24, a cam 25, a telescopic rod 26, and a sliding plate 27. The telescopic power element 21 is installed inside the housing 11 and drives the drive wheel 22 to rotate, which in turn drives the reduction wheel 23 to rotate. Optionally, the telescopic power element 21 is a motor, and the drive wheel 22 meshes with the reduction wheel 23. The rotating shaft 24 passes through the cam 25 and the reduction wheel 23. One end of the telescopic rod 26 is rotatably connected to the eccentric position of the cam 25, and the other end passes through the housing 11. The sliding plate 27 slides on the support plate 12, and one end of the telescopic rod 26 is connected to the sliding plate 27. The telescopic assembly 20 also includes a first bearing (not shown) and a second bearing (not shown) installed on the housing 11. The rotating shaft 24 sequentially passes through the cam 25, the first bearing, the reduction wheel 23, and the second bearing to ensure a robust structure. In one embodiment, the telescopic assembly 20 further includes a bearing 28 and a drive shaft 29. The bearing 28 is mounted on one end of the telescopic rod 26, and the drive shaft 29 passes through the bearing 28 and the cam 25.

[0030] like Figure 1 and Figure 3 As shown, the nozzle assembly 30 includes a housing 31, a liquid inlet pipe 32, and an air inlet pipe 33. The housing 31 is mounted on the slide plate 27, and the liquid inlet pipe 32 and the air inlet pipe 33 are respectively connected to the housing 31. Optionally, the housing 31 is threadedly connected to the slide plate 27 for easy assembly and position adjustment. Further, the housing 31 includes a sleeve portion 311, a transition portion 312, and a nozzle portion 313 connected in sequence. The cross-sections of the transition portion 312 and the nozzle portion 313 are both inverted isosceles trapezoids, and the short side of the transition portion 312 is equal to the long side of the nozzle portion 313, that is, the pipe diameters of the transition portion 312 and the nozzle portion 313 gradually decrease. The liquid inlet pipe 32 and the air inlet pipe 33 are respectively connected to the housing 31. In one embodiment, the liquid inlet pipe 32 is connected to one end of the housing 31, and the air inlet pipe 33 is connected to the side of the housing 31. The liquid inlet pipe 32 is threadedly connected to the liquid inlet connector, and the air inlet pipe 33 is threadedly connected to the air inlet connector.

[0031] like Figure 1 As shown, the telescopic nozzle device 100 also includes a rotary power element 40, which is connected to the bottom of the housing 11 and is used to drive the housing 11 to rotate.

[0032] In use, the telescopic power element 21 drives the drive wheel 22 to rotate, which in turn drives the reduction wheel 23 to rotate synchronously. The reduction wheel 23, via the rotating shaft 24, drives the cam 25 to rotate synchronously. The telescopic rod 26 reciprocates as the cam 25 rotates, thereby causing the slide plate 27 to slide back and forth, which in turn drives the nozzle assembly 30 to extend and retract, adjusting the spray position. The rotary power element 40 drives the housing 11 to rotate horizontally, thereby driving the nozzle assembly 30 to rotate horizontally, adjusting the horizontal spray position. This telescopic nozzle device 100 provides a wide spray range and uniform spray.

[0033] The telescopic nozzle device 100 of this utility model drives the cam 25 to rotate through the telescopic power element 21. The telescopic rod 26 pushes the slide plate 27 to slide back and forth with the rotation of the cam 25, thereby driving the outer shell 31 to slide and spray different positions. The telescopic nozzle device 100 has a wide spray range and uniform spray.

[0034] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0035] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A telescopic nozzle device, characterized in that, The device includes a support assembly, a telescopic assembly, and a nozzle assembly. The support assembly includes a housing and a support plate connected to one end of the housing. The telescopic assembly includes a telescopic power element, a drive wheel, a reduction wheel, a rotating shaft, a cam, a telescopic rod, and a sliding plate. The telescopic power element is installed inside the housing and drives the drive wheel to rotate. The drive wheel drives the reduction wheel to rotate. The rotating shaft passes through the cam and the reduction wheel. One end of the telescopic rod is rotatably connected to the eccentric position of the cam, and the other end passes through the housing. One end of the telescopic rod is connected to the sliding plate, and the sliding plate slides on the support plate. The nozzle assembly includes a housing, a liquid inlet pipe, and an air inlet pipe. The housing is installed on the sliding plate, and the liquid inlet pipe and the air inlet pipe are respectively connected to the housing.

2. The telescopic nozzle device according to claim 1, characterized in that, The drive wheel meshes with the reduction wheel.

3. The telescopic nozzle device according to claim 1, characterized in that, The outer casing is threadedly connected to the sliding plate.

4. The telescopic nozzle device according to claim 1, characterized in that, The support assembly also includes a fixing plate, which is used to snap the telescopic power element to the housing.

5. The telescopic nozzle device according to claim 1, characterized in that, The support assembly also includes a guide rail mounted on the support plate, and the slide plate is slidably mounted on the guide rail.

6. The telescopic nozzle device according to claim 1, characterized in that, The housing includes a bottom shell portion and a cover plate portion, with the cover plate portion covering the bottom shell portion.

7. The telescopic nozzle device according to claim 1, characterized in that, It also includes a rotary power element, which is connected to the bottom of the housing and is used to drive the housing to rotate.

8. The telescopic nozzle device according to claim 1, characterized in that, The outer shell includes a sleeve portion, a transition portion, and a nozzle portion connected in sequence. The cross-sections of the transition portion and the nozzle portion are both inverted isosceles trapezoids, and the short side of the transition portion is equal to the long side of the nozzle portion. The liquid inlet pipe and the air inlet pipe are respectively connected to the outer shell.

9. The telescopic nozzle device according to claim 1, characterized in that, The telescopic assembly also includes a bearing and a drive shaft. The bearing is installed at one end of the telescopic rod, and the drive shaft passes through the bearing and the cam.

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