Manual spraying device

Abstract

The manual spraying device comprises a supporting piece, a lever and a limiting piece, the supporting piece is used for being connected with a spraying tank, the lever is rotationally connected to the supporting piece, one end of the lever corresponds to a pressing part of the spraying tank, the other end of the lever is used for being pressed by a user, the limiting piece is arranged on the supporting piece, and the limiting piece is movably connected to the supporting piece. When spraying is carried out, a user presses the lever, the lever can rotate relative to the supporting piece, one end of the lever extrudes the pressing part of the spraying tank when the lever rotates so that the spraying tank can spray a target position on a product, and due to the fact that the lever can be prevented from continuing rotating after the limiting piece makes contact with the lever, the rotating angle of the lever can be limited; and therefore, the spraying uniformity of the spraying tank and the accurate adjustability of the spraying pressure are guaranteed, and the probability of bubbles and wrinkles on the surface of the sprayed surface is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying devices, in particular to a manual spraying device. Background Art

[0002] Solar photovoltaic frames are mainly used to fix and seal solar cell modules, enhance module strength, and facilitate transportation and installation. Composite material frames are gradually being widely used due to their advantages such as low carbon, environmental protection, high strength, and low cost. There is a layer of coating on the outer surface of the composite material frame, which is usually a water-based polyurethane or fluorocarbon coating. This coating can not only be used to improve the reliability of the overall structure of the frame against ultraviolet and water vapor, but also keep the frame beautiful.

[0003] However, this coating is often scratched during the manufacturing process, transportation and installation. At present, the main method of repainting is to use hand-held spray paint, but the conventional repainting method is time-consuming and labor-intensive, and due to the different pressures of the spray paint, it may cause uneven repainting, bubbles and other phenomena, affecting the appearance of the frame, and also causing the adhesion of the frame to fail. Utility Model Content

[0004] The utility model aims to provide a manual spraying device which can effectively ensure the uniformity of spraying and the precise regulation of spraying pressure.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A manual spraying device, comprising:

[0007] A support member for connecting a spray can;

[0008] A lever, the lever being rotatably connected to the support member, one end of the lever corresponding to the pressing portion of the spray can;

[0009] The limiting member is movably connected to the supporting member. When the lever rotates, one end of the lever presses the pressing portion. After the limiting member contacts the lever, it blocks the lever from further rotating.

[0010] In some embodiments, a limiting rod is provided on the lever and is arranged corresponding to the limiting member, and a plurality of limiting surfaces with different heights are provided on the limiting member. The limiting member can move relative to the supporting member so that one of the limiting surfaces corresponds to the limiting rod.

[0011] In some embodiments, the manual spraying device further comprises a reset member, wherein the reset member is respectively connected to the lever and the support member, and the reset member is used to control the reset of the lever.

[0012] In some embodiments, a support column is provided at one end of the lever away from the spray can, a guide hole corresponding to the support column is provided on the support member, and the support column can move relative to the guide hole.

[0013] In some embodiments, the reset member is a spring, and the spring is sleeved outside the support column.

[0014] In some embodiments, the support member includes a shell and a holding portion, a mounting portion is provided at the upper portion of the front end of the shell, the spray can is detachably connected to the mounting portion, a spray port is provided at the front end of the shell, a press avoidance port is provided at the upper portion of the rear end of the shell, the lever is located inside the shell, the holding portion is connected to the lower portion of the rear end of the shell, and the guide hole is provided on the shell and the holding portion.

[0015] In some embodiments, a guide groove is provided on the side wall of the shell, and a slider is provided on the side of the limiting member. The slider extends out of the shell from the guide groove, and the slider can move forward and backward relative to the shell.

[0016] In some embodiments, a slide groove is provided in the shell, and the bottom of the limiting member can be slidably connected to the slide groove.

[0017] In some embodiments, a round barrel is provided at the front end of the shell, and the mounting portion is an arc-shaped card disposed on the upper portion of the round barrel, and the arc-shaped card is used to clamp onto the side wall of the spray can.

[0018] In some embodiments, a connecting groove is provided on the side wall of the barrel, and the arc-shaped card can move in the connecting groove along the radial direction of the barrel.

[0019] Compared with the prior art, the above technical solution has the following advantages:

[0020] The utility model provides a manual spraying device. When spraying, the user presses a lever, and the lever rotates relative to a support. When the lever rotates, one end of the lever squeezes a pressing portion of the spray can, so that the spray can sprays a target position on the product. After the limiter contacts the lever, it can prevent the lever from continuing to rotate, so the rotation angle of the lever can be limited, thereby ensuring the spraying uniformity of the spray can and the precise adjustability of the spraying pressure, thereby reducing the probability of bubbles and wrinkles on the surface of the sprayed surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the three-dimensional structure of a manual spraying device provided in a specific embodiment of the utility model;

[0023] Figure 2 A schematic cross-sectional view of a manual spraying device provided in a specific embodiment of the utility model;

[0024] Figure 3 A schematic diagram of the main structure of a support member of a manual spraying device provided in a specific embodiment of the utility model;

[0025] Figure 4 A schematic diagram of the structure of a manual spraying device provided in a specific embodiment of the utility model from a bottom view;

[0026] Figure 5 A schematic diagram of the connection structure between an arc-shaped card and a round barrel of a manual spraying device provided by a specific embodiment of the utility model;

[0027] Figure 6 A schematic diagram of the structure of a spray tank of a manual spray device provided by a specific embodiment of the utility model;

[0028] Figure 7 The present invention is a schematic diagram of the internal explosion structure of a manual spraying device provided in a specific embodiment of the present invention.

[0029] The reference numerals are as follows:

[0030] 10 is a spray can, 11 is a pressing portion, 111 is a liquid outlet, and 12 is a card slot;

[0031] 20 is a support member, 21 is a shell, 211 is a barrel, 212 is an arc-shaped card, 213 is a guide groove, 214 is a spraying port, 215 is a press avoidance port, 216 is a slide groove, 22 is a gripping portion, and 221 is a guide hole;

[0032] 30 is a lever, 31 is a limit rod, 32 is a support column, 33 is a spring, 34 is a rotating shaft, and 35 is a bearing;

[0033] 40 is a limiting member. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Please refer to Figure 1 and Figure 2 A manual spraying device provided by an embodiment of the utility model includes: a support member 20, a lever 30 and a limit member 40. The support member 20 is used to connect the spray can 10. The lever 30 is rotatably connected to the support member 20. One end of the lever 30 corresponds to the pressing portion 11 of the spray can 10. The pressing portion 11 has a liquid outlet 111. When the pressing portion 11 is squeezed, the spray liquid in the spray can 10 will be sprayed out from the liquid outlet 111. The other end of the lever 30 is used for the user to press, wherein the distance between the rotation axis of the lever 30 and the end for the user to press is greater than the distance between the rotation axis of the lever 30 and the end of the spray can 10 pressed, so as to achieve the purpose of labor saving. When spraying, the user presses the lever 30, and the lever 30 rotates relative to the support member 20. When the lever 30 rotates, one end of the lever 30 squeezes the pressing portion 11 of the spray can 10, so that the spray can 10 sprays the target position on the product. When the user rotates the lever 30 until it contacts the limit piece 40 on the support 20, the lever 30 can be prevented from continuing to rotate. Since the limit piece 40 can move relative to the support 20, for example, when the limit piece 40 moves toward the rotation position of the lever 30, the rotation angle of the lever 30 can be reduced, and when the limit piece 40 rotates away from the rotation position of the lever 30, the rotation angle of the lever 30 can be increased. Therefore, the rotation angle of the lever 30 can be adjusted by moving the limit piece 40, thereby achieving the control of the pressing force and flow rate of the spray can 10, thereby ensuring the spraying uniformity of the spray can 10 and the precise adjustability of the spraying pressure, thereby reducing the probability of bubbles and wrinkles on the surface of the sprayed surface.

[0036] In some embodiments, the lever 30 is provided with a limiting rod 31 and is arranged corresponding to the limiting member 40. The limiting member 40 is provided with a plurality of limiting surfaces of different heights. The limiting member 40 can move relative to the support member 20 so that one of the limiting surfaces corresponds to the limiting rod 31. For example, the limiting member 40 can be designed as a step block, such as Figure 2As shown, the limit member 40 is provided with a plurality of limit surfaces whose heights decrease from left to right. When the limit member 40 moves to the right, the higher limit surface will correspond to the limit rod 31. At this time, the lever 30 will contact the limit member 40 when it rotates downward by a smaller angle. When the limit member 40 moves to the left, the lower limit surface will correspond to the limit rod 30. At this time, the lever 30 needs to rotate downward by a larger angle to contact the limit member 31. Therefore, by moving the limit member 40, the maximum rotation angle of the lever 30 can be changed.

[0037] In some embodiments, the manual spray device also includes a reset member, which is respectively connected to the lever 30 and the support member 20. When the user presses the lever 30, the reset member generates a contraction elastic force. When the lever 30 is released, under the action of the elastic force of the reset member, the reset member can control the lever 30 to reset. When the lever 30 is in the reset state, the spray can 10 stops spraying, and the user does not need to reversely rotate the lever 30. Therefore, the convenience of the user's control of the opening and closing of the spray can 10 can be improved.

[0038] In some embodiments, a support column 32 is provided at one end of the lever 30 away from the spray can 10, and a guide hole 221 corresponding to the support column 32 is provided on the support member 20. When the user presses the lever 30, the support column 32 can move relative to the guide hole 221, wherein the support column 32 and the guide hole 221 can guide the lever 30. The aperture of the guide hole 221 is larger than the support column 32, so that when the lever 30 rotates, the support column 32 is avoided to avoid hindering the rotation of the lever 30. In addition, the support column 32 and the guide hole 221 can be designed to be arc-shaped to facilitate the rotation of the lever 30.

[0039] In some embodiments, the reset member is a spring 33, which is sleeved outside the support column 32, wherein the upper end of the spring 33 can be pressed against the lower end of the lever 30, and the lower end of the spring 33 is pressed against the guide hole 221. Specifically, the guide hole 221 can be a stepped hole, and the lower end of the spring 33 is pressed against the stepped surface of the guide hole 221, or against the bottom surface of the guide hole 221. In addition, the spring 33 can also be arranged in the guide hole 221, and the upper end of the spring 33 is pressed against the lower end of the support column 32.

[0040] In some embodiments, the support member 20 includes a shell 21 and a gripping portion 22, and a mounting portion is provided at the upper portion of the front end of the shell 21, and the spray can 10 is detachably connected to the mounting portion, for example, it can be installed by threading or snapping, and a spray port 214 is provided at the front end of the shell 21, and a press avoidance port 215 is provided at the upper portion of the rear end of the shell 21 for the convenience of user pressing, the lever 30 is located in the shell 21, and the gripping portion 22 is connected to the lower portion of the rear end of the shell 21, wherein an anti-slip portion can be provided on the gripping portion 22 for the convenience of user holding, and a guide hole 221 is provided on the shell 21 and the gripping portion 22, and the support column 32 is movably connected to the guide hole 221.

[0041] In some embodiments, a guide groove 213 is provided on the side wall of the shell 21, and a slider is provided on the side of the limit member 40. The slider extends from the guide groove 213 to the shell 21. The slider can move forward and backward relative to the shell 21, thereby driving the limit member 40 to move forward and backward. Specifically, the height of the step surface on the limit member 40 decreases from front to back, and the limit rod 31 is located at the lower end of the lever 30. When the limit member 40 moves backward, the maximum rotation angle of the lever 30 can be reduced. When the limit member 40 moves forward, the maximum rotation angle of the lever 30 can be increased.

[0042] In some embodiments, a slide groove 216 is provided in the shell 21, and the bottom of the limit member 40 can be slidably connected to the slide groove 216. For example, when the bottom of the limit member 40 is a square structure, the limit groove is also a square groove accordingly. The slide groove 216 can limit and guide the limit member 40 to ensure the smooth movement of the limit member 40.

[0043] In some embodiments, a rotating shaft 34 is connected to the lever 30, and both ends of the rotating shaft 34 are installed on both sides of the shell 21 through bearings 35. The bearings 35 can improve the smoothness of the rotation of the lever 30, and can also reduce the wear of the lever 30 and the shell 21, thereby increasing its service life.

[0044] In some embodiments, a barrel 211 is provided at the front end of the shell 21, and a spray port 214 is provided at the front end of the barrel 211. The upper end of the barrel 211 is an installation port, and the installation portion is an arc-shaped card 212 arranged on the upper part of the barrel 211. The arc-shaped card 212 is used to clamp on the side wall of the spray can 10. For example, two opposite arc-shaped cards 212 can be arranged on the side wall of the upper part of the barrel 211. The side wall of the spray can 10 is provided with two arc-shaped grooves 12 extending in the circumferential direction. The side wall of the spray can 10 is also provided with an avoidance notch. When installing the spray can 10, the avoidance notch is first made to correspond to the arc-shaped card 212. When the arc-shaped groove 12 and the arc-shaped card 212 are at the same height, the spray can 10 is rotated so that the arc-shaped card 212 is clamped in the arc-shaped groove 12, and the installation of the spray can 10 can be achieved. In addition, an internal thread section may be provided on the inner side wall of the upper end of the cylinder, and the spray tank 10 may have an external thread section corresponding to the internal thread section, so that the two can be threadedly connected.

[0045] In some embodiments, a connecting groove is provided on the side wall of the barrel 211, and the arc-shaped card 212 can move in the connecting groove along the radial direction of the barrel 211. By moving the arc-shaped card 212, the size of its bayonet can be adjusted, thereby achieving the installation of spray cans 10 with different diameters. In order to improve the connection stability between the arc-shaped card 212 and the barrel 211, latch teeth can be provided at both ends of the arc-shaped card 212 and on both sides of the connecting groove. By cooperating between the latch teeth of the arc-shaped card 212 and the connecting groove, the connection stability of the arc-shaped card 212 in the connecting groove can be improved.

[0046] When a manual spray device provided by the utility model is used in the occasion of repainting a photovoltaic frame, the following spraying method can be used for spraying: first, use sandpaper to polish the area to be repainted of the photovoltaic frame to make the area to be repainted smooth and without protrusions; shake the spray can 10 to mix the paint liquid in the spray can 10 evenly; install the spray can 10 into the installation port at the front end of the manual spray device, so that the liquid outlet 111 of the spray can 10 corresponds to the spray port 214 at the front end of the shell 21; move the limiter 40 to the required position, press the tail end of the lever 30, so that the paint mist is continuously and evenly sprayed on the area to be repainted; move the manual spray device at a uniform speed so that the paint mist covers the entire area to be repainted; and air the repainted area until the paint surface is solidified.

[0047] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0048] The manual spraying device provided by the utility model is introduced in detail above. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiment is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A manual spraying device, characterized in that: include: A support member (20) for connecting the spray tank (10); A lever (30), the lever (30) being rotatably connected to the support member (20), and one end of the lever (30) corresponding to the pressing portion (11) of the spray can (10); The limiting member (40) is movably connected to the supporting member (20), and one end of the lever (30) presses the pressing portion (11) when the lever (30) rotates. After the limiting member (40) contacts the lever (30), the lever (30) is prevented from continuing to rotate.

2. The manual spraying device according to claim 1, characterized in that: The lever (30) is provided with a limiting rod (31) and is arranged corresponding to the limiting member (40). The limiting member (40) is provided with a plurality of limiting surfaces with different heights. The limiting member (40) can move relative to the supporting member (20) so that one of the limiting surfaces corresponds to the limiting rod (31).

3. The manual spraying device according to claim 1, characterized in that: It also comprises a reset member, which is respectively connected to the lever (30) and the support member (20), and is used to control the lever (30) to reset.

4. The manual spraying device according to claim 3, characterized in that: A support column (32) is provided at one end of the lever (30) away from the spray can (10), and a guide hole (221) corresponding to the support column (32) is provided on the support member (20), and the support column (32) can move relative to the guide hole (221).

5. The manual spraying device according to claim 4, characterized in that: The reset member is a spring (33), and the spring (33) is sleeved outside the support column (32).

6. The manual spraying device according to claim 4, characterized in that: The support member (20) comprises a shell (21) and a gripping portion (22); a mounting portion is provided at the upper portion of the front end of the shell (21); the spray can (10) is detachably connected to the mounting portion; a spray port (214) is provided at the front end of the shell (21); a press-avoidance port (215) is provided at the upper portion of the rear end of the shell (21); the lever (30) is located inside the shell (21); the gripping portion (22) is connected to the lower portion of the rear end of the shell (21); and the guide hole (221) is provided on the gripping portion (22).

7. The manual spraying device according to claim 6, characterized in that: A guide groove (213) is provided on the side wall of the housing (21), a slider (41) is provided on the side of the limiting member (40), the slider (41) extends out of the housing (21) from the guide groove (213), and the slider (41) can move forward and backward relative to the housing (21).

8. The manual spraying device according to claim 7, characterized in that: A slide groove (216) is provided in the housing (21), and the bottom of the limiting member (40) is slidably connected to the slide groove (216).

9. The manual spraying device according to claim 6, characterized in that: A round barrel (211) is provided at the front end of the shell (21), and the mounting portion is an arc-shaped card (212) arranged on the upper part of the round barrel (211), and the arc-shaped card (212) is used to clamp the spray can (10).

10. The manual spraying device according to claim 9, characterized in that: A connecting groove is provided on the side wall of the round barrel (211), and the arc-shaped card (212) can move in the connecting groove along the radial direction of the round barrel (211).

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