Auxiliary spraying device

Abstract

The auxiliary spraying device comprises a base, a telescopic assembly, a suspension arm and a spraying assembly, the bottom end of the telescopic assembly is fixedly installed on the base, the middle of the suspension arm is hinged to the top end of the telescopic assembly through a pin shaft, a telescopic rod is connected into the first end of the suspension arm in a sliding mode, and the second end of the suspension arm is connected with the spraying assembly in a sliding mode. The spraying assembly is hinged to the free end of the telescopic rod, a telescopic driving assembly is installed on the suspension arm, and the telescopic driving assembly is in driving connection with the telescopic rod. According to the spraying device, the spraying range can be greatly widened by arranging the suspension arm, the weight of the two ends of the suspension arm can be balanced by matching with the second balancing weight, a worker can obtain a large spraying range with a small swing range and force of the arm, the distance between the spraying head and the wall surface can be kept stable by arranging the telescopic rod and the telescopic driving assembly, and the spraying effect is good. And the spraying quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of wall spraying, and is specifically an auxiliary spraying device. Background Art

[0002] Spraying is a common construction method, which is often used for spraying walls, roofs and other surfaces. It has the advantages of fast construction speed, good effect and low cost. When spraying walls, especially vertical walls, the existing technology usually requires workers to hold a spray gun and spray a certain range of the wall by constantly swinging their arms. However, during spraying, the swing of the arm will cause the angle and distance of the spray gun relative to the wall to change continuously, affecting the quality of spraying. In addition, the length of human arms is limited, so workers need to constantly swing their arms to spray, which limits the speed of spraying. Utility Model Content

[0003] Therefore, the technical problem to be solved by the utility model is to provide an auxiliary spraying device for improving the spraying speed and the spraying quality.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: an auxiliary spraying device, comprising a base, a telescopic assembly, a boom and a spraying assembly, the bottom end of the telescopic assembly is fixedly mounted on the base, the middle part of the boom is hinged to the top end of the telescopic assembly through a pin shaft, a telescopic rod is slidably connected to the first end of the boom, the spraying assembly is hinged to the free end of the telescopic rod, a telescopic drive assembly is installed on the boom, and the telescopic drive assembly is drivingly connected to the telescopic rod.

[0005] The above-mentioned auxiliary spraying device, the telescopic driving assembly includes a gear fan, a driving gear, a first pulley, a second pulley and a transmission belt, the gear fan is fixedly installed on the side wall of the telescopic assembly, and the gear fan and the pin shaft are coaxially arranged, the boom is hollow from the position where the pin shaft is installed to the first end portion, the boom is rotatably connected with a connecting shaft, the driving gear is coaxially fixedly connected to the end of the connecting shaft passing through the outside of the boom, and the driving gear is meshed with the gear fan, the first pulley is coaxially fixedly connected to the end of the connecting shaft passing through the inside of the boom, the second pulley is rotatably installed in the boom via a rotating shaft, and the first pulley and the second pulley are connected via the transmission belt.

[0006] In the above-mentioned auxiliary spraying device, one end of the telescopic rod inserted into the boom is close to the second pulley, and the top and bottom of the end of the telescopic rod inserted into the boom are respectively fixedly connected with a first push plate and a second push plate, the first push plate is located above the transmission belt, and the second push plate is located below the transmission belt, the top of the transmission belt is fixedly connected with a first driving block, and the bottom of the transmission belt is fixedly connected with a second driving block, the end of the first push plate abuts against the side wall of the first driving block, and the end of the second push plate abuts against the side wall of the second driving block.

[0007] In the above auxiliary spraying device, a sliding sleeve is installed on one end of the telescopic rod inserted into the suspension arm, and the outer wall of the sliding sleeve is slidably fitted with the inner wall of the suspension arm.

[0008] In the above-mentioned auxiliary spraying device, a tension spring is fixedly connected to the side wall of the telescopic rod through a fixing block, and the other end of the tension spring is fixedly connected to the side wall of the suspension arm.

[0009] In the above auxiliary spraying device, a handle is fixedly connected to the second end of the suspension arm, and a second counterweight is fixedly installed on the suspension arm at a position between the pin shaft and the handle.

[0010] In the above auxiliary spraying device, the length from the first end of the suspension arm to the pin is greater than the length from the second end of the suspension arm to the pin.

[0011] The above-mentioned auxiliary spraying device, the spraying assembly includes a shielding cover, a nozzle, a hinged plate and a funnel, the hinged plate is fixedly mounted on the outer wall of the shielding cover, the hinged plate is hinged to the free end of the telescopic rod, the nozzle is mounted in the shielding cover, the opening of the shielding cover is arranged toward the spraying direction of the nozzle, the funnel is mounted on the bottom of the shielding cover, and a counterweight connecting rod is fixedly connected to the shielding cover directly below the hinged joint of the hinged plate and the telescopic rod, and a first counterweight block is fixedly connected to the counterweight connecting rod.

[0012] In the above-mentioned auxiliary spraying device, a collecting barrel and a spraying pump are installed on the base, the funnel is connected to the collecting barrel through a pipeline, and the spraying pump is connected to the spray head through a spraying pipe.

[0013] The above-mentioned auxiliary spraying device has rollers arranged on the four corners of the bottom of the base; the telescopic assembly includes a fixing rod, a sleeve and a fixing bolt, the fixing rod is vertically fixedly installed on the top of the base, the sleeve is sleeved on the fixing rod, the middle part of the boom is hinged to the top end of the sleeve, the fixing bolt is threadedly connected to the side wall of the sleeve, and the end of the fixing bolt passes through the sleeve and is pressed against the side wall of the fixing rod.

[0014] The technical solution of the utility model has achieved the following beneficial technical effects:

[0015] 1. The utility model can greatly increase the spraying range by setting a boom, and can balance the weight at both ends of the boom with a second counterweight, so that workers can obtain a larger spraying range with a smaller swing range and strength of the arm.

[0016] 2. When the spraying device is stationary as a whole, the greater the swing angle of the boom, the farther the distance between the nozzle and the wall. By setting the telescopic rod and the telescopic drive assembly, the telescopic amount of the telescopic rod can be automatically adjusted when the boom swings up and down for spraying. When the boom swings up and down at any angle, the distance between the nozzle and the wall is kept stable to ensure the quality of spraying.

[0017] 3. By setting a spraying assembly that can rotate relative to the telescopic rod and keeping the angle between the nozzle and the wall stable under the action of the first counterweight, the spraying quality is further improved; by setting a shielding cover, the paint can be prevented from drifting around, and the funnel can be used to recover part of the paint. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A front view structural schematic diagram of the utility model;

[0019] Figure 2 A schematic structural diagram of the telescopic drive assembly in the utility model;

[0020] Figure 3 A schematic structural diagram of a spraying assembly in the utility model.

[0021] The reference numerals in the figure are represented as follows: 1-base; 2-telescopic assembly; 201-fixed rod; 202-sleeve; 203-fixed bolt; 3-boom; 4-telescopic rod; 5-spraying assembly; 501-shielding cover; 502-spray head; 503-hinge plate; 504-funnel; 505-counterweight connecting rod; 506-first counterweight block; 6-telescopic driving assembly; 601-toothed fan; 602-driving gear; 603-first pulley; 604-second pulley; 605-transmission belt; 606-first push plate; 607-second push plate; 608-first drive block; 609-second drive block; 7-second counterweight block; 8-handle; 9-collection bucket; 10-spraying pump; 11-roller; 12-tension spring; 13-sliding sleeve. DETAILED DESCRIPTION

[0022] An auxiliary spraying device in this embodiment, such as Figure 1As shown, it includes a base 1, a telescopic component 2, a boom 3 and a spraying component 5, the bottom end of the telescopic component 2 is fixedly mounted on the base 1, the middle part of the boom 3 is hinged to the top end of the telescopic component 2 through a pin shaft, a telescopic rod 4 is slidably connected in the first end of the boom 3, the spraying component 5 is hinged to the free end of the telescopic rod 4, a telescopic driving component 6 is installed on the boom 3, and the telescopic driving component 6 is drivingly connected to the telescopic rod 4.

[0023] like Figure 1 As shown, rollers 11 are provided on the four corners of the bottom of the base 1; the telescopic assembly 2 includes a fixing rod 201, a sleeve 202 and a fixing bolt 203, the fixing rod 201 is vertically fixedly installed on the top of the base 1, the sleeve 202 is sleeved on the fixing rod 201, the middle part of the boom 3 is hinged to the top of the sleeve 202, the fixing bolt 203 is threadedly connected to the side wall of the sleeve 202, and the end of the fixing bolt 203 passes through the sleeve 202 and is pressed against the side wall of the fixing rod 201.

[0024] like Figure 1-2 As shown, the telescopic driving assembly 6 includes a gear fan 601, a driving gear 602, a first pulley 603, a second pulley 604 and a transmission belt 605, the gear fan 601 is fixedly mounted on the side wall of the telescopic assembly 2, and the gear fan 601 and the pin shaft are coaxially arranged, the boom 3 is hollow from the position where the pin shaft is installed to the first end portion, and a connecting shaft is rotatably connected to the boom 3, the driving gear 602 is coaxially fixedly connected to the end of the connecting shaft passing through the outside of the boom 3, and the driving gear 602 is meshed with the gear fan 601, the first pulley 603 is coaxially fixedly connected to the end of the connecting shaft passing through the inside of the boom 3, the second pulley 604 is rotatably mounted in the boom 3 through a rotating shaft, and the first pulley 603 and the second pulley 604 are connected through the transmission belt 605.

[0025] like Figure 2As shown, one end of the telescopic rod 4 inserted into the boom 3 is close to the second pulley 604, and the top and bottom of the end of the telescopic rod 4 inserted into the boom 3 are respectively fixedly connected with a first push plate 606 and a second push plate 607, the first push plate 606 is located above the transmission belt 605, the second push plate 607 is located below the transmission belt 605, the top of the transmission belt 605 is fixedly connected with a first driving block 608, the bottom of the transmission belt 605 is fixedly connected with a second driving block 609, the first push plate 606 The end of the telescopic rod 4 abuts against the side wall of the first driving block 608, and the end of the second push plate 607 abuts against the side wall of the second driving block 609; a sliding sleeve 13 is installed on one end of the telescopic rod 4 inserted into the boom 3, and the outer wall of the sliding sleeve 13 slides and fits with the inner wall of the boom 3. By arranging the telescopic rod 4 and the telescopic driving assembly 6, the telescopic amount of the telescopic rod 4 can be automatically adjusted when the boom 3 swings up and down for spraying. When the boom 3 swings up and down at any angle, the distance between the nozzle 502 and the wall is kept stable to ensure the quality of spraying.

[0026] like Figure 1 As shown, a tension spring 12 is fixedly connected to the side wall of the telescopic rod 4 through a fixed block, and the other end of the tension spring 12 is fixedly connected to the side wall of the boom 3; a handle 8 is fixedly connected to the second end of the boom 3, and a second counterweight 7 is fixedly installed on the boom 3 at a position between the pin and the handle 8; the length from the first end of the boom 3 to the pin is greater than the length from the second end of the boom 3 to the pin. By setting the boom 3, the range of spraying can be greatly improved, and in conjunction with the second counterweight 7, the weight at both ends of the boom 3 can be balanced, so that workers can obtain a larger spraying range with a smaller arm swing range and strength.

[0027] like Figure 3As shown, the spraying assembly 5 includes a shielding cover 501, a spray head 502, a hinged plate 503 and a funnel 504, wherein the hinged plate 503 is fixedly mounted on the outer wall of the shielding cover 501, the hinged plate 503 is hinged to the free end of the telescopic rod 4, the spray head 502 is mounted in the shielding cover 501, the opening of the shielding cover 501 is arranged toward the spraying direction of the spray head 502, the funnel 504 is mounted on the bottom of the shielding cover 501, and a counterweight connecting rod 505 is fixedly connected to the shielding cover 501 just below the hinged portion of the hinged plate 503 and the telescopic rod 4. A first counterweight block 506 is fixedly connected to the counterweight connecting rod 505; a collecting bucket 9 and a spray pump 10 are installed on the base 1, the funnel 504 is connected to the collecting bucket 9 through a pipeline, and the spray pump 10 is connected to the nozzle 502 through a spray pipe. By setting a spray assembly 5 that can rotate relative to the telescopic rod 4, and under the action of the first counterweight block 506, the angle between the nozzle 502 and the wall is kept stable, thereby further improving the spraying quality; by setting a shielding cover 501, the paint can be prevented from scattering around, and under the action of the funnel 504, part of the paint can be recovered.

[0028] Working principle: In actual use, push the spray device to a position close to the wall, adjust the length of the telescopic component 2 to adjust the initial position of the spray component 5, then hold the handle 8, control the arm 3 to swing up and down by the arm strength, connect the spray pump 10 to the paint bucket, turn on the spray pump 10, and the spray pump 10 pumps the paint to the nozzle 502 and sprays it on the wall;

[0029] like Figure 2 As shown, when the boom 3 swings along the hinge, it will drive the driving gear 602 to swing synchronously, and the driving gear 602 is meshed with the gear fan 601, and rolls and rotates along the gear fan 601 while swinging, and at the same time drives the first pulley 603 to rotate, so that the second pulley 604 and the transmission belt 605 move synchronously. When the boom 3 swings upward from the horizontal position, the driving gear 602 rolls and rotates upward, the first pulley 603 and the second pulley 604 rotate clockwise, and the second driving block 609 pushes the second push plate 607 to extend the telescopic rod 4 out of the boom 3, thereby compensating the distance between the nozzle 502 and the wall. When the boom 3 swings downward to reset, the tension spring 12 can drive the telescopic rod 4 to retract. When the boom 3 swings downward from the horizontal position, the first pulley 603 and the second pulley 604 rotate counterclockwise, and the first driving block 608 pushes the first push plate 606, and the telescopic rod 4 extends out.

[0030] like Figure 3 As shown, under the action of the first counterweight 506, the shielding cover 501 and the nozzle 502 can always be in a state of facing the wall, and the spraying angle of the nozzle 502 can be guaranteed to be stable no matter the boom 3 is in any position.

[0031] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the claims of this patent application.

Claims

1. An auxiliary spraying device, characterized in that: The invention comprises a base (1), a telescopic component (2), a suspension arm (3) and a spraying component (5), wherein the bottom end of the telescopic component (2) is fixedly mounted on the base (1), the middle part of the suspension arm (3) is hingedly connected to the top end of the telescopic component (2) via a pin shaft, a telescopic rod (4) is slidably connected inside the first end of the suspension arm (3), the spraying component (5) is hingedly connected to the free end of the telescopic rod (4), a telescopic driving component (6) is mounted on the suspension arm (3), and the telescopic driving component (6) is drivingly connected to the telescopic rod (4).

2. An auxiliary spraying device according to claim 1, characterized in that: The telescopic driving assembly (6) comprises a toothed fan (601), a driving gear (602), a first pulley (603), a second pulley (604) and a transmission belt (605); the toothed fan (601) is fixedly mounted on the side wall of the telescopic assembly (2), and the toothed fan (601) and the pin shaft are coaxially arranged; the boom (3) is hollow from the position where the pin shaft is mounted to the first end; a connecting shaft is rotatably connected to the boom (3); the driving gear (602) is coaxially fixedly connected to the end of the connecting shaft that passes through the outside of the boom (3), and the driving gear (602) is meshed with the toothed fan (601); the first pulley (603) is coaxially fixedly connected to the end of the connecting shaft that passes through the inside of the boom (3); the second pulley (604) is rotatably mounted in the boom (3) via a rotating shaft; the first pulley (603) and the second pulley (604) are connected in transmission via the transmission belt (605).

3. An auxiliary spraying device according to claim 2, characterized in that: One end of the telescopic rod (4) inserted into the boom (3) is close to the second pulley (604), and the top and bottom of the end of the telescopic rod (4) inserted into the boom (3) are respectively fixedly connected with a first push plate (606) and a second push plate (607), the first push plate (606) is located above the transmission belt (605), and the second push plate (607) is located below the transmission belt (605), the top of the transmission belt (605) is fixedly connected with a first driving block (608), and the bottom of the transmission belt (605) is fixedly connected with a second driving block (609), the end of the first push plate (606) abuts against the side wall of the first driving block (608), and the end of the second push plate (607) abuts against the side wall of the second driving block (609).

4. The auxiliary spraying device according to claim 1, characterized in that: A sliding sleeve (13) is installed on one end of the telescopic rod (4) inserted into the suspension arm (3), and the outer wall of the sliding sleeve (13) is slidably fitted with the inner wall of the suspension arm (3).

5. The auxiliary spraying device according to claim 1, characterized in that: A tension spring (12) is fixedly connected to the side wall of the telescopic rod (4) via a fixing block, and the other end of the tension spring (12) is fixedly connected to the side wall of the suspension arm (3).

6. The auxiliary spraying device according to claim 1, characterized in that: A handle (8) is fixedly connected to the second end of the suspension arm (3), and a second counterweight (7) is fixedly installed on the suspension arm (3) at a position between the pin shaft and the handle (8).

7. An auxiliary spraying device according to claim 1, characterized in that: The length from the first end of the suspension arm (3) to the pin is greater than the length from the second end of the suspension arm (3) to the pin.

8. The auxiliary spraying device according to claim 1, characterized in that: The spraying assembly (5) comprises a shielding cover (501), a spray head (502), a hinged plate (503) and a funnel (504); the hinged plate (503) is fixedly mounted on the outer wall of the shielding cover (501); the hinged plate (503) is hinged to the free end of the telescopic rod (4); the spray head (502) is mounted in the shielding cover (501); the opening of the shielding cover (501) is arranged toward the spraying direction of the spray head (502); the funnel (504) is mounted on the bottom of the shielding cover (501); a counterweight connecting rod (505) is fixedly connected to the shielding cover (501) directly below the hinged portion between the hinged plate (503) and the telescopic rod (4); and a first counterweight block (506) is fixedly connected to the counterweight connecting rod (505).

9. An auxiliary spraying device according to claim 8, characterized in that: A collecting barrel (9) and a spray pump (10) are installed on the base (1); the funnel (504) is connected to the collecting barrel (9) via a pipeline; and the spray pump (10) is connected to the spray head (502) via a spray pipe.

10. The auxiliary spraying device according to claim 1, characterized in that: Rollers (11) are arranged at the four corners of the bottom of the base (1); the telescopic assembly (2) comprises a fixing rod (201), a sleeve (202) and a fixing bolt (203); the fixing rod (201) is vertically fixedly installed on the top of the base (1); the sleeve (202) is sleeved on the fixing rod (201); the middle part of the suspension arm (3) is hinged to the top end of the sleeve (202); the fixing bolt (203) is threadedly connected to the side wall of the sleeve (202); and the end of the fixing bolt (203) passes through the sleeve (202) and is pressed against the side wall of the fixing rod (201).

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