Inverted spraying device of all-plastic gun
By designing an all-plastic gun with a reverse spraying device, the problem of the sprayer not being able to spray when upside down was solved, and the normal spraying function was realized in the upside-down state. The structure is simple and easy to use.
Patent Information
- Application Number
- CN202423142404.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-19
AI Technical Summary
The existing sprayer cannot spray properly when inverted, causing inconvenience in use.
A reverse spraying device for an all-plastic gun was designed, including a lower connecting pipe, an upper connecting pipe, and an inverted water inlet pipe. By setting a water inlet on the side wall of the inverted water inlet pipe, water is sucked in and sprayed out in the inverted state by utilizing negative pressure.
It enables the sprayer to spray normally even when upside down, and has a simple structure and is easy to use.
Smart Images

Figure CN223733003U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a full plastic gun reverse spraying device. BACKGROUND
[0002] The common sprayer for spraying moisturizing, spraying detergent, cosmetics and insecticide on the market, the sprayer is provided with a cover body matched with a bottle body, the sprayer is contacted with the liquid in the bottle body through a pipeline. The sprayer sucks the water at the lower end into the pump body and sprays out by using the negative pressure generated at the upper end of the nozzle. Generally, the sprayer can be normally used when it is vertically placed. The sprayer is connected with the bottle body through the pipeline. The sprayer on the market can only spray when the bottle body is vertically placed. Once the bottle body is inverted, the sprayer cannot spray. SUMMARY
[0003] The utility model provides a full plastic gun reverse spraying device.
[0004] The utility model discloses a full plastic gun reverse spraying device.
[0005] Full plastic gun reverse spraying device, including lower connecting pipe, the lower connecting pipe upper end is provided with upper connecting pipe and inverted water inlet pipe, be provided with lower cavity in the lower connecting pipe, be provided with left cavity in the upper connecting pipe, be provided with right cavity in the inverted water inlet pipe, left cavity lower extreme and right cavity lower extreme all with the upper end of lower cavity intercommunication, inverted water inlet pipe upper end and lower end junction is the slope of recessing to the inside, be provided with water inlet on the pipe wall of inverted water inlet pipe, the inside upper interval of right cavity top is provided with a plurality of protrusions, be provided with steel ball in the inverted water inlet pipe, the diameter of steel ball is same with the inner diameter of inverted water inlet pipe and can roll back and forth in the inside upper right cavity, the lowest position of steel ball rolling is limited to the slope, the protrusion can prevent steel ball from rolling out of right cavity.
[0006] Preferably, the upper connecting pipe and the inverted water inlet pipe are oppositely arranged on the two sides of the upper end of the lower connecting pipe.
[0007] Preferably, the water inlet is provided with two, and is arranged on the opposite sides of the pipe wall of the inverted water inlet pipe.
[0008] Preferably, the upper connecting pipe is connected to the lowermost end of the spray-out pipeline of the nozzle, the spray-out pipeline is L-shaped, including a horizontal pipeline and a vertical pipeline connected and communicated with each other, the horizontal pipeline is connected to the spray outlet, and the vertical pipeline is connected to the upper connecting pipe, a piston cavity is arranged in the inside of the spray-out pipeline, a through hole is arranged in the upper end of the piston cavity and communicated with the vertical pipeline, a piston is arranged in the piston cavity, and a handle is connected to the piston, a plastic ball is arranged on the inner wall of the vertical pipeline, and the plastic ball can move in the through hole.
[0009] Preferably, the lower connecting pipe is connected to the suction pipe placed in water.
[0010] Preferably, the inner wall of the vertical pipeline extends inwardly as an annular protrusion, the plastic ball is arranged on the annular protrusion, a plurality of downward extending ribs are arranged at intervals on the inner wall of the upper end of the vertical pipeline, and the plastic ball can roll up and down between the annular protrusion and the ribs; the lowermost ends of the annular protrusion and the ribs are both at the lower end of the through hole.
[0011] Compared with the prior art, the full-plastic gun reverse spraying device has the following advantages: the lower connecting pipe, the upper connecting pipe arranged at the upper end of the lower connecting pipe and the inverted water inlet pipe are arranged, the lower cavity in the lower connecting pipe and the left cavity in the upper connecting pipe and the right cavity in the inverted water inlet pipe are in communication with each other, the water inlet is arranged on the side wall of the inverted water inlet pipe, when the atomizer is inverted, a large amount of water will enter the water inlet under the action of negative pressure, the water flow will enter the left cavity from the lower cavity and then be sprayed out through the spraying pipeline, and the reverse spraying device has a simple structure. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a perspective view of the full-plastic gun reverse spraying device.
[0013] Fig. 2 It is a front view of the full-plastic gun reverse spraying device.
[0014] Fig. 3 It is a reverse view of the full-plastic gun reverse spraying device.
[0015] Fig. 4 It is a spraying head sectional view of the full-plastic gun reverse spraying device. DETAILED DESCRIPTION
[0016] The full-plastic gun reverse spraying device will be further described in detail below with reference to the embodiments and the accompanying drawings.
[0017] As shown in the drawings, Figs. 1 to 4 The full-plastic gun reverse spraying device comprises a lower connecting pipe 1, upper connecting pipes 2 and inverted water inlet pipes 3 are arranged at opposite sides of the upper end of the lower connecting pipe 1, a lower cavity 11 is arranged in the lower connecting pipe 1, a left cavity 21 is arranged in the upper connecting pipe 2, a right cavity 31 is arranged in the inverted water inlet pipe 3, the lower end of the left cavity 21 and the lower end of the right cavity 31 are in communication with the upper end of the lower cavity 11; the connection between the upper end and the lower end of the inverted water inlet pipe 3 is a concave slope surface 34, two opposite water inlets 32 are arranged on the wall of the inverted water inlet pipe 3, a plurality of protrusions 33 are arranged at intervals on the inner top of the right cavity 31; a steel ball 4 is arranged in the inverted water inlet pipe 3, the diameter of the steel ball 4 is the same as the inner diameter of the inverted water inlet pipe 3 and the steel ball 4 can roll up and down in the right cavity 31, the slope surface 34 limits the lowest position of the steel ball 4, and the protrusions 33 can prevent the steel ball 4 from rolling out of the right cavity 31.
[0018] The upper connecting pipe 2 is connected to the lower end of the spray pipe 101 of the spray head 100, the spray pipe 101 is L-shaped and comprises a horizontal pipe and a vertical pipe which are connected to each other and communicate with each other, the end of the horizontal pipe is connected to the spray outlet, the end of the vertical pipe is connected to the upper connecting pipe 2, the inside of the spray pipe 101 is provided with a piston cavity 103, the upper end of the piston cavity 103 is provided with a through hole 106 which communicates with the vertical pipe, the piston cavity 103 is provided with a piston 104, the piston 104 is connected with a handle 102, the inner wall of the vertical pipe is provided with an annular protrusion which extends inwardly, a plastic ball 105 is matched and arranged on the annular protrusion, the inner wall of the upper end of the vertical pipe is provided with a plurality of rib strips which extend downwardly, the rib strips extend to the upper end of the plastic ball 105, the plastic ball 105 can roll up and down between the annular protrusion and the rib strips, and the lower ends of the annular protrusion and the rib strips are all located at the lower end of the through hole 106.
[0019] The lower connecting pipe 1 is connected to the suction pipe, when the sprayer is upright, the steel ball 4 is located at the lower end of the right cavity 31 and matches with the slope surface 34 to close the passage between the right cavity 31 and the lower cavity 11, the handle 102 is pried, under the action of the piston 104, the spray pipe 101 at the upper end of the plastic ball 105 forms negative pressure, the plastic ball 105 will be displaced by an end distance upwardly, the liquid in the spray bottle will pass through the lower cavity 11, enter the left cavity 21 and then pass through the spray pipe 101 to be sprayed out, when the sprayer is inverted, the steel ball 4 is away from the slope surface 34, the right cavity 31 is communicated with the lower cavity 11 and the left cavity 21, at this time, the plastic ball 105 abuts to the rib strip, the handle 102 is pried, under the action of negative pressure, most of the liquid is sucked into the lower cavity 11 from the water inlet 32 on the side wall of the inverted water inlet pipe 3, enters the left cavity 21 and then passes through the spray pipe 101 to be sprayed out.
[0020] The full-plastic gun inverted spraying device is provided with the lower connecting pipe 1, the upper connecting pipe 2 arranged at the upper end of the lower connecting pipe 1 and the inverted water inlet pipe 3, the lower cavity 11 in the lower connecting pipe 1 is communicated with the left cavity 21 in the upper connecting pipe 2 and the right cavity 31 in the inverted water inlet pipe 3, the water inlet 32 is arranged on the side wall of the inverted water inlet pipe 3, when the sprayer is inverted, a large amount of water will enter the water inlet 32 under the action of negative pressure, the water flow will pass through the lower cavity 11, enter the left cavity 21 and then pass through the spray pipe 101 to be sprayed out, and the inverted spraying device has simple structure.
[0021] Finally, it should be noted that: the above examples only illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A full plastic gun reverse spraying device comprising a lower connecting pipe (1), characterized in that, The lower connecting pipe (1) is provided with an upper connecting pipe (2) and an inverted water inlet pipe (3) at the upper end, the lower connecting pipe (1) is provided with a lower cavity (11) inside, the upper connecting pipe (2) is provided with a left cavity (21) inside, the inverted water inlet pipe (3) is provided with a right cavity (31) inside, the lower end of the left cavity (21) and the lower end of the right cavity (31) are communicated with the upper end of the lower cavity (11); the upper end and the lower end of the inverted water inlet pipe (3) are connected with a concave slope (34), the pipe wall of the inverted water inlet pipe (3) is provided with a water inlet (32), a plurality of protrusions (33) are arranged inside the top end of the right cavity (31) in intervals; the inverted water inlet pipe (3) is provided with a steel ball (4) inside, the diameter of the steel ball (4) is the same as the inner diameter of the inverted water inlet pipe (3) and can roll back and forth inside the right cavity (31), the slope (34) limits the lowest position of the steel ball (4), and the protrusions (33) can prevent the steel ball (4) from rolling out of the right cavity (31).
2. The all-plastic gun reverse blast device of claim 1, wherein, The upper connecting pipe (2) and the inverted water inlet pipe (3) are oppositely arranged on the two sides of the upper end of the lower connecting pipe (1).
3. The all plastic gun reverse flow device of claim 1, wherein, The water inlet (32) is provided with two, which are arranged on the opposite sides of the pipe wall of the inverted water inlet pipe (3).
4. The all plastic gun reverse flow device of claim 1 wherein, The upper connecting pipe (2) is connected to the lowermost end of the spray pipe (101) of the spray head (100), the spray pipe (101) is L-shaped and includes a horizontal pipe and a vertical pipe which are connected and communicated with each other, the end of the horizontal pipe is connected with a spray outlet, and the end of the vertical pipe is connected with the upper connecting pipe (2), the inside of the spray pipe (101) is provided with a piston cavity (103), the upper end of the piston cavity (103) is provided with a through hole (106) which is communicated with the vertical pipe; the piston cavity (103) is provided with a piston (104) inside, the piston (104) is connected with a handle (102); the inner wall of the vertical pipe is provided with a plastic ball (105), the plastic ball (105) can move in the lower end of the through hole (106).
5. The all-plastic gun-reversal device of claim 4, wherein, The lower connecting pipe (1) is connected and placed in the suction pipe in water.
6. The all plastic gun reverse blast device of claim 4, wherein, The inner wall of the vertical pipe extends annular protrusions, the plastic ball (105) is arranged on the annular protrusions, and a plurality of downward extending ribs are arranged on the inner wall of the upper end of the vertical pipe in intervals, the plastic ball (105) can roll up and down between the annular protrusions and the ribs; the lowermost ends of the annular protrusions and the ribs are all in the lower end of the through hole (106).