A road marking spraying device with a replaceable discharge brush

Abstract

The utility model discloses a road marking spraying equipment convenient to replace discharging ground brush, it includes trolley, heating material cylinder, receiving hopper and discharging ground brush, moves trolley to the position of marking line, makes receiving hopper and trolley flush side correspond to the position of pre-marking, then opens heating material cylinder and lets the coating surface follow discharging pipe and enters receiving hopper, then the coating can be discharged from the discharging hole of discharging ground brush, when discharging, the coating follows the discharging hole in the middle of brush cluster and evenly contacts every cluster brush cluster, makes brush cluster even coating to the ground, when discharging ground brush is not good, only needs to top from the lower direction of discharging ground brush, then takes out discharging ground brush from receiving hopper, and can change into new discharging ground brush.

Description

Technical Field

[0001] This utility model relates to the technical field of road marking construction equipment, and in particular to a road marking spraying device that facilitates the replacement of the material discharge brush. Background Technology

[0002] When road marking paint needs to be applied with a ground brush, the common practice now is to apply the paint first and then use the ground brush to apply it. This can easily lead to uneven application, and the paint can also harden on the ground brush after it is no longer needed, making it inconvenient to use next time and relatively troublesome to replace.

[0003] Chinese Patent Publication No. CN220847039U, published on April 26, 2024, discloses a road marking spraying material dispensing brush mechanism. The aim is to provide a road marking spraying material dispensing brush mechanism that can hold multiple colors for easy replacement. It includes a storage ring, a mounting plate, and a dispensing assembly. The storage ring is mounted on the mounting plate, and a rotating assembly is installed inside the storage ring. Several material storage tanks are located within the storage ring and are mounted on the rotating assembly. The mounting plate has dispensing holes corresponding to the material storage tanks. Universal wheels are installed at the top corners of the mounting plate, and a push rod is installed at the rear end of the mounting plate. The dispensing assembly is mounted on the bottom surface of the mounting plate and corresponds to the material storage tanks. A control panel is mounted on the mounting plate. The advantages of this invention are: it can hold multiple colors for easy replacement, it is easy to rotate, it is easy to store multiple pigments, it ensures a clean ground surface, it is convenient to spray different colors, and it is convenient to replace the material storage tanks. The disadvantages of this invention are that the coating is not uniform enough, and the brush head replacement is inconvenient. Utility Model Content

[0004] This invention aims to overcome the shortcomings of existing technologies, such as uneven coating and inconvenient brush head replacement, and provides a road marking spraying device that offers more even coating and easier brush head replacement, making it easier to replace the discharge brush.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A road marking spraying device that facilitates the replacement of the discharge brush includes: A trolley with a tray and handles; A heating cylinder is placed on the placement plate of a trolley. The lower end face of the heating cylinder is fixedly connected to the upper end face of the trolley. The heating cylinder is provided with a discharge pipe, one end of which is connected to the interior of the heating cylinder. The receiving hopper is placed on the front end face of the trolley, with one side of the receiving hopper flush with the side of the trolley, and the other end of the discharge pipe aligning with the upper opening of the receiving hopper. The outer side of the receiving hopper is fixedly connected to the trolley. The discharge brush has one end extending from the top opening of the receiving hopper, passing through the hopper and positioned below it. The outer perimeter of the discharge brush is in close contact with the inner side of the receiving hopper. The discharge brush is engaged with the receiving hopper. Several discharge holes and several brush clusters are evenly distributed on the lower end of the discharge brush. Each discharge hole corresponds to one brush cluster. The upper end face of each brush cluster is fixedly connected to the lower end of the discharge brush. Each discharge hole connects the inside of the receiving hopper and the bottom of the discharge brush, and is located at the center of the brush cluster.

[0006] When using, move the trolley to the marked position, aligning the side of the receiving hopper flush with the pre-marked line. Then, turn on the heating cylinder to allow the paint to flow into the receiving hopper through the discharge pipe. The paint will then be discharged from the discharge hole of the discharge brush. During discharge, the paint will evenly contact each brush cluster along the discharge hole in the middle of the brush cluster, allowing the brush clusters to evenly apply the paint to the ground. When the discharge brush becomes unusable, simply push it upwards from below and remove it from the receiving hopper, then replace it with a new discharge brush. This achieves more even coating and makes brush head replacement more convenient.

[0007] Preferably, the discharge brush is equipped with several hooks. The outer side of each hook is in close contact with the inner side of the receiving hopper, and the upper end of each hook is fixedly connected to the upper edge of the discharge brush. The upper end of each hook is hooked onto the upper edge of the receiving hopper, and the discharge brush is engaged with the receiving hopper via the hooks. The hooks facilitate fixing the discharge brush to the receiving hopper and make it easier to remove.

[0008] Preferably, the discharge brush is equipped with an adjusting plate. One end of the adjusting plate is placed outside the receiving hopper, and the other end passes through the side of the discharge brush and is placed inside the discharge brush. The lower end face of the adjusting plate is in close contact with the inner bottom surface of the discharge brush, and the periphery of the adjusting plate is in close contact with the inner side surface of the discharge brush. The adjusting plate has several discharge holes (II), which are the same shape and size as discharge holes (I). A pull rod is provided on the end face of the adjusting plate outside the discharge brush. One end of the pull rod is engaged with the adjusting plate, and the other end of the pull rod is in contact with the trolley. When the end face of the adjusting plate away from the pull rod is in contact with the inner side surface of the discharge brush, discharge holes (II) correspond one-to-one with discharge holes (I) and are coaxial. The movement of the adjusting plate can adjust the overlapping area between discharge holes (I) and discharge holes (II) to adjust the discharge rate.

[0009] Preferably, the upper surface of the trolley is provided with a support, the lower surface of the support is fixedly connected to the trolley, and the pull rod is placed on the upper surface of the support. The support can stabilize the movement of the pull rod.

[0010] Preferably, a stop bar is provided on the upper surface of the support, and the stop bar is fixedly connected to the upper surface of the support. The upper end of the stop bar is higher than the lower end of the stop bar part that comes into contact after translation. The stop bar can limit the range of movement of the pull rod and prevent the adjusting plate from being pulled too far.

[0011] Preferably, the adjusting plate has a slot on one end face outside the discharge brush. The slot has a V-shaped cross-section, with the larger opening of the V-shape inside the adjusting plate. The inner sides of the V-shape have steps. Two claws are provided on the end of the pull rod connected to the adjusting plate, with the claws extending outwards from the end of the pull rod. The claws are fixedly connected to the pull rod. A locking block is provided on the outer surface of the claws, and the locking block is fixedly connected to the claws. After the claws are placed in the slot, the locking block rests on the steps on both sides of the V-shape of the slot. The pull rod is engaged with the adjusting plate via the claws, locking blocks, and the slot. The combination of the slot, locking blocks, and claws facilitates the connection and disassembly of the pull rod and the adjusting plate.

[0012] Preferably, the trolley has two stops on its upper surface, which are respectively positioned on the front and rear sides of the heating cylinder. The stops are fixedly connected to the upper surface of the trolley, and the end of the stop that contacts the heating cylinder is in contact with the outer surface of the heating cylinder. The stops can stabilize the heating cylinder.

[0013] The beneficial effects of this utility model are: more uniform coating and easier brush head replacement; the hook makes it easier to fix the discharge brush to the receiving hopper and easier to pick up; the movement of the adjusting plate can adjust the overlapping area between discharge hole one and discharge hole two to adjust the discharge amount; the support can stabilize the movement of the pull rod; the stop bar can limit the movement range of the pull rod and prevent the adjusting plate from being pulled too far; the cooperation of the slot, the block and the claw facilitates the connection and disassembly of the pull rod and the adjusting plate; the stop block can stabilize the heating cylinder. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is the front view of this utility model; Figure 3 yes Figure 2 A cross-sectional view of AA; Figure 4 yes Figure 2 A magnified view of detail B; Figure 5 yes Figure 3 A magnified view of detail C; Figure 6 This is a cross-sectional view of the connection between the adjusting plate and the tie rod.

[0015] In the diagram: 1. Trolley, 2. Heating cylinder, 3. Discharge pipe, 4. Receiving hopper, 5. Discharge brush, 6. Discharge hole one, 7. Brush cluster, 8. Hook, 9. Adjusting plate, 10. Discharge hole two, 11. Pull rod, 12. Support, 13. Stop bar, 14. Stop block, 15. Slot, 16. Claw, 17. Claw block. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0017] like Figures 1 to 3 In one embodiment, a road marking spraying device that facilitates the replacement of the discharge brush includes: a trolley 1 with a placement plate and a handle; a heating cylinder 2 placed on the placement plate of the trolley 1, the lower end of the heating cylinder 2 being fixedly connected to the upper end of the trolley 1, the heating cylinder 2 having a discharge pipe 3, one end of the discharge pipe 3 communicating with the interior of the heating cylinder 2; and a receiving hopper 4 placed on the front end of the trolley 1, one side of the receiving hopper 4 being flush with the side of the trolley 1, the other end of the discharge pipe 3 discharging material aligned with the upper opening of the receiving hopper 4, and the outer surface of the receiving hopper 4 being flush with the upper opening of the receiving hopper 4. The trolley 1 is fixedly connected; one end of the discharge brush 5 passes through the upper opening of the receiving hopper 4 and is placed below the receiving hopper 4. The outer perimeter of the discharge brush 5 is in close contact with the inner side of the receiving hopper 4. The discharge brush 5 is snapped into the receiving hopper 4. Several discharge holes 6 and several brush clusters 7 are evenly distributed on the lower end of the discharge brush 5. The discharge holes 6 correspond one-to-one with the brush clusters 7. The upper end face of the brush clusters 7 is fixedly connected to the lower end of the discharge brush 5. The discharge holes 6 connect the inside of the receiving hopper 4 and the bottom of the discharge brush 5. The discharge holes 6 are located in the center of the brush clusters 7.

[0018] like Figure 4 As shown, there are several hooks 8 on the discharge brush 5. The outer side of the hook 8 is close to the inner side of the receiving hopper 4. The upper end of the hook 8 is fixedly connected to the upper edge of the discharge brush 5. The upper end of the hook 8 is hooked on the upper edge of the receiving hopper 4. The discharge brush 5 is engaged with the receiving hopper 4 through the hook 8.

[0019] like Figure 5 and Figure 6As shown, the discharge brush 5 contains an adjusting plate 9. One end of the adjusting plate 9 is placed outside the receiving hopper 4, and the other end of the adjusting plate 9 passes through the side of the discharge brush 5 and is placed inside the discharge brush 5. The lower end face of the adjusting plate 9 is in close contact with the inner bottom surface of the discharge brush 5, and the periphery of the adjusting plate 9 is in close contact with the inner side surface of the discharge brush 5. The adjusting plate 9 has several discharge holes 10, which are the same shape and size as discharge holes 6. There is a pull rod 11 on the end face of the adjusting plate 9 outside the discharge brush 5. One end of the pull rod 11 is engaged with the adjusting plate 9, and the other end of the pull rod 11 is in contact with the trolley 1. When the end face of the adjusting plate 9 away from the pull rod 11 is in contact with the inner side surface of the discharge brush 5, the discharge holes 10 and discharge holes 6 correspond one-to-one and are coaxial.

[0020] like Figure 1 and Figure 2 As shown, there is a support 12 on the upper surface of the trolley 1, and the lower surface of the support 12 is fixedly connected to the trolley 1. The pull rod 11 is placed on the upper surface of the support 12.

[0021] like Figure 1 and Figure 2 As shown, there is a stop bar 13 on the upper surface of the support 12. The stop bar 13 is fixedly connected to the upper surface of the support 12. The upper position of the stop bar 13 is higher than the lower position of the stop bar 13 part that is in contact after translation.

[0022] like Figure 6 As shown, the adjusting plate 9 has a slot 15 on one end face outside the discharge brush 5. The slot 15 has a V-shaped cross-section. The large opening of the slot 15 is placed inside the adjusting plate 9. There are steps on the inner sides of the slot 15. The end of the pull rod 11 connected to the adjusting plate 9 has two claws 16, and the claws 16 are extended outward from the end of the pull rod 11. The claws 16 are fixedly connected to the pull rod 11. There are blocks 17 on the outer side of the claws 16. The blocks 17 are fixedly connected to the claws 16. After the claws 16 are placed in the slot 15, the blocks 17 are placed on the steps on both sides of the V-shape of the slot 15. The pull rod 11 is engaged with the adjusting plate 9 through the claws 16, blocks 17 and slot 15.

[0023] like Figures 1 to 3 As shown, there are two blocks 14 on the upper surface of the trolley 1. The blocks 14 are respectively placed on the front and rear sides of the heating cylinder 2. The blocks 14 are fixedly connected to the upper surface of the trolley 1, and the end of the blocks 14 that contacts the heating cylinder 2 is in contact with the outer side of the heating cylinder 2.

[0024] In use, move the trolley 1 to the marked position, aligning the side of the receiving hopper 4 flush with the trolley 1 with the pre-marked line. Then, turn on the heating cylinder 2 to allow the paint to enter the receiving hopper 4 through the discharge pipe 3. The paint will then be discharged from the discharge hole 6 of the discharge brush 5. During discharge, the paint will evenly contact each brush cluster 7 along the discharge hole 6 in the middle of the brush cluster 7, allowing the brush cluster 7 to evenly apply the paint to the ground. When it is necessary to adjust the paint output, press the two claws 16 on the pull rod 11 inward into the slot 15, and use the locking block 17 to lock the inside of the slot 15. Then, use the support 12 as a fulcrum. The pull rod 11 is moved left and right to change the overlap between the discharge hole 2 10 and the discharge hole 1 6, thereby adjusting the discharge volume of the discharge hole 1 6. The stop bar 13 on the support 12 can prevent the pull rod 11 from moving the adjustment plate 9 too far. When the discharge brush 5 is not working properly, simply hold the hook 8 and lift the discharge brush 5. If it is stuck, you can push it upward from the bottom of the discharge brush 5, and then take the discharge brush 5 out of the receiving hopper 4 and replace it with a new discharge brush 5. The other parts of the road marking spraying equipment are all existing technologies and will not be described in detail here. This achieves the purpose of more uniform coating and more convenient brush head replacement.

Claims

1. A road marking spraying device that facilitates the replacement of the discharge brush, characterized in that, include: trolley (1), with a placement board and handle; A heating cylinder (2) is placed on the placement plate of a trolley (1). The lower end face of the heating cylinder (2) is fixedly connected to the upper end face of the trolley (1). A discharge pipe (3) is provided on the heating cylinder (2). One end of the discharge pipe (3) is connected to the interior of the heating cylinder (2). The receiving hopper (4) is placed on the front end face of the trolley (1). One side of the receiving hopper (4) is flush with the side of the trolley (1). The other end of the discharge pipe (3) is aligned with the upper opening of the receiving hopper (4). The outer side of the receiving hopper (4) is fixedly connected to the trolley (1). The discharge brush (5) has one end passing through the upper opening of the receiving hopper (4) and placed below the receiving hopper (4). The outer periphery of the discharge brush (5) is in close contact with the inner side of the receiving hopper (4). The discharge brush (5) is engaged with the receiving hopper (4). Several discharge holes (6) and several brush clusters (7) are evenly distributed on the lower end of the discharge brush (5). The discharge holes (6) and brush clusters (7) correspond one-to-one. The upper end face of the brush cluster (7) is fixedly connected to the lower end of the discharge brush (5). The discharge holes (6) connect the inside of the receiving hopper (4) and the lower part of the discharge brush (5). The discharge holes (6) are placed in the center of the brush clusters (7).

2. The road marking spraying equipment for easy replacement of the discharge brush as described in claim 1, characterized in that, The discharge brush (5) is provided with several hooks (8). The outer side of the hook (8) is close to the inner side of the receiving hopper (4). The upper end of the hook (8) is fixedly connected to the upper edge of the discharge brush (5). The upper end of the hook (8) is hooked on the upper edge of the receiving hopper (4). The discharge brush (5) is engaged with the receiving hopper (4) through the hook (8).

3. The road marking spraying equipment for easy replacement of the discharge brush as described in claim 1, characterized in that, The discharge brush (5) is equipped with an adjusting plate (9). One end of the adjusting plate (9) is placed outside the receiving hopper (4), and the other end of the adjusting plate (9) passes through the side of the discharge brush (5) and is placed inside the discharge brush (5). The lower end face of the adjusting plate (9) is in close contact with the inner bottom surface of the discharge brush (5), and the periphery of the adjusting plate (9) is in close contact with the inner side surface of the discharge brush (5). The adjusting plate (9) is provided with several discharge holes (10). The material hole 2 (10) has the same shape and size as the material outlet hole 1 (6). The adjusting plate (9) is provided with a pull rod (11) on one end face outside the material outlet brush (5). One end of the pull rod (11) is engaged with the adjusting plate (9), and the other end of the pull rod (11) is in contact with the trolley (1). When the end face of the adjusting plate (9) far from the pull rod (11) is in contact with the inner side of the material outlet brush (5), the material outlet hole 2 (10) and the material outlet hole 1 (6) correspond one-to-one and are coaxial.

4. The road marking spraying equipment for easy replacement of the discharge brush as described in claim 3, characterized in that, The upper surface of the trolley (1) is provided with a support (12), the lower surface of the support (12) is fixedly connected to the trolley (1), and the pull rod (11) is placed on the upper surface of the support (12).

5. A road marking spraying device for easy replacement of the discharge brush according to claim 4, characterized in that, The upper surface of the support (12) is provided with a baffle (13), the baffle (13) is fixedly connected to the upper surface of the support (12), and the upper position of the baffle (13) is higher than the lower position of the baffle (13) part that is contacted after translation.

6. A road marking spraying device for easy replacement of the discharge brush according to claim 3, characterized in that, The adjusting plate (9) is provided with a slot (15) on one end face outside the discharge brush (5). The slot (15) has a V-shaped cross-section. The large opening of the slot (15) is placed inside the adjusting plate (9). There are steps on the inner sides of the slot (15) on both sides of the V-shape. The end of the pull rod (11) connected to the adjusting plate (9) is provided with two claws (16), and the claws (16) are extended outward from the end of the pull rod (11). The claws (16) are fixedly connected to the pull rod (11). There are blocks (17) on the outer side of the claws (16). The blocks (17) are fixedly connected to the claws (16). After the claws (16) are placed in the slot (15), the blocks (17) are placed on the steps on both sides of the V-shape of the slot (15). The pull rod (11) is engaged with the adjusting plate (9) through the claws (16), blocks (17) and slot (15).

7. A road marking spraying device for easy replacement of the discharge brush according to claim 1, characterized in that, The upper surface of the trolley (1) is provided with two blocks (14). The blocks (14) are respectively placed on the front and rear sides of the heating cylinder (2). The blocks (14) are fixedly connected to the upper surface of the trolley (1). The end of the blocks (14) that contacts the heating cylinder (2) is in contact with the outer side of the heating cylinder (2).

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