Electric telescopic roller painting tool

Abstract

The utility model provides an electric telescopic roller paint brushing tool which solves the problems that a common tool is limited in construction range and low in construction requirement adaptability, construction paint is prone to dripping to the head of a worker or the ground to cause unnecessary cleaning burden, and meanwhile the problems that efficiency is low and safety risks exist in part of construction operation are solved. The top of the outer rod is provided with a handle, the handle is internally provided with a motor, the output end of the motor is connected with a lead screw, the outer rod is internally provided with an inner rod capable of stretching out and drawing back in the outer rod, the lower end of the inner rod is connected with a rolling shaft through a bent pipe assembly, threads on the lead screw are connected with a threaded piece, and the threaded piece is fixedly connected to the inner rod. The cleaning burden of workers is relieved, the practicability under different construction conditions is improved, and the construction operation risk is reduced; and operation can be continuously carried out, time and labor are saved, and the construction efficiency and range are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction equipment, in particular to an electric telescopic roller painting tool. Background Art

[0002] At present, during the stage of building decoration and renovation, roller brushes are tools used for rolling paint on large areas. Roller brushes are used very frequently. Roller brushes are divided into three types: long-hair, medium-hair, and short-hair. Since the length of general roller brushes is relatively fixed and it is inconvenient to replace the roller, when constructing at high places and ceilings, due to the limited length, workers not only need to step on stools or ladders to climb up for construction, but also need to clean up the paint dripping on the ground after the construction is completed. The labor intensity is too high, the efficiency is relatively low, and there are certain safety risks during construction.

[0003] Therefore, it is urgent to develop a paint roller construction device that can adjust the roller brush length according to the adaptability of use needs, effectively avoid the situation of paint splashing and is convenient to change the paint roller. Summary of the Invention

[0004] The technical problem to be solved by the utility model is.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: an electric telescopic roller paint brush tool, comprising an outer rod and a handle connected to the top of the outer rod, a motor is installed inside the handle, the output end of the motor is connected to a screw rod, the inner bottom of the outer rod is slidably connected to the inner rod, the bottom end of the inner rod is connected to a bent pipe assembly, a threaded part is threaded on the screw rod, a rotation limit groove of the threaded part is provided on the inner wall of the outer rod, and the limit protrusion on the outside of the threaded part is adapted to the limit groove, and the threaded part is fixedly connected to the inner rod.

[0006] Preferably, a connecting piece is provided between the output end of the motor and the lead screw to connect the two.

[0007] Preferably, a support structure for supporting the screw rod is provided between the top of the screw rod and the outer rod.

[0008] Preferably, the support structure includes a support sleeve sleeved on the top of the screw rod and a positioning sleeve fixed in the outer rod, and the positioning sleeve is sleeved on the support sleeve.

[0009] Preferably, the handle and the outer rod are integrally formed or separately provided.

[0010] Preferably, an anti-slip structure is provided between the bottom end of the outer rod and the top end of the inner rod, which can cooperate with each other to prevent the inner rod from slipping out of the outer rod.

[0011] Preferably, the anti-slip structure includes a limiting sleeve fixedly connected to the bottom end of the outer rod, a second boss is provided at the bottom of the limiting sleeve, a first boss is provided at the top of the threaded member, and the inner diameter of the second boss is smaller than the outer diameter of the first boss.

[0012] Preferably, a control button for controlling the forward and reverse rotation of the motor is provided on the handle, and a battery for powering the motor is also provided in the handle.

[0013] Preferably, the handle is also provided with a charging port for charging the battery, and a charging port dust cover is provided above the charging port.

[0014] Preferably, the roller is rotatably arranged on the bending pipe assembly, and both ends of the roller are provided with roller lock covers threadedly connected to the bending assembly, and the bending assembly is buckled with an arc-shaped paint baffle covering the roller.

[0015] The utility model provides an electric telescopic roller paint brush tool, which has the following advantages:

[0016] 1. The utility model is an electric telescopic roller paint brush tool. When needed, the motor can be controlled by pressing a button to drive the screw rod to rotate in the threaded part, so that the inner rod can be vertically raised and lowered in the outer rod. It is convenient to adjust the length of the electric telescopic roller brush and is easy to operate in places that are difficult to construct, such as walls, thereby reducing certain safety operation risks and increasing the working area.

[0017] 2. This tool can easily replace the roller brush. Different roller brushes can be replaced according to different operating requirements, saving materials and greatly improving energy-saving construction.

[0018] 3. This tool can be equipped with a mudguard. The mudguard mechanism cooperates with the electric rod mechanism to catch most of the paint, thereby effectively reducing the cleaning burden on workers.

[0019] 4. By providing a matching anti-slip structure at the lower end of the outer rod and the upper end of the inner rod, it is prevented that the inner rod accidentally falls out of the outer rod when the extension of the inner rod reaches the maximum.

[0020] 5. By installing a charging port dust cover above the charging port, dust, water, etc. can be prevented from entering the battery charging port and affecting the charging effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0022] Figure 1 The utility model is a schematic diagram of an electric telescopic roller paint brush tool.

[0023] Figure 2 The utility model is a cross-sectional view of an electric telescopic roller paint brushing tool.

[0024] Figure 3 The utility model is an exploded view of the structure of a handle of an electric telescopic roller paint brush tool and the connection between the handle and the outer rod.

[0025] Figure 4 The utility model is a cross-sectional view of an anti-slip structure of an electric telescopic roller paint brush tool.

[0026] Figure 5 The utility model is a schematic diagram of a brush roller of an electric telescopic roller paint brush tool.

[0027] In the figure: 1. Handle; 2. Outer rod; 3. Inner rod; 4. Bending pipe assembly; 5. Roller; 6. Battery; 7. Motor; 8. Connector; 9. Screw; 10. Control button; 11. Support structure; 12. Charging port cover; 13. Charging port dust cover; 14. Threaded locking member; 15. Motor bracket; 16. Motor bracket cover; 17. Anti-slip structure; 18. Charging port; 21. Limit sleeve; 51. Paint baffle; 52. Roller lock cover; 110. Positioning sleeve; 111. Support sleeve; 211. Second boss; 311. First boss; 31. Threaded member; 121. Charging port hole. DETAILED DESCRIPTION

[0028] like Figure 1-4 As shown, the utility model provides an electric telescopic roller paint brush tool, including an outer rod 2, the top of the outer rod 2 is a handle 1, the handle 1 in this embodiment is separately provided with the outer rod 2, a motor 7 is installed inside the handle 1, the output end of the motor 7 is connected to a screw 9, a connector 8 is provided between the output end of the motor 7 and the screw 9 to connect the two, a support structure 11 for supporting the upper part of the screw 9 and the outer rod 2 is provided, the support structure 11 includes a support sleeve 111 sleeved on the upper end of the screw 9 and a positioning sleeve 110 fixed in the outer rod 2. A limiting groove is provided on the inner side wall of the outer rod 2 along the axial direction, and a limiting protrusion is provided on the outer wall of the threaded member 31, which is adapted to the limiting groove and enables the threaded member 31 to slide only along the axial direction of the outer rod 2. When the output end of the motor 7 is connected to the screw rod 9, the connector 8, the support sleeve 111, and the positioning sleeve 110 are sequentially installed from the inside to the outside. Two screw holes are provided on the connector 8, and the output end of the motor 7 and the upper part of the screw rod 9 can be fastened by screws to ensure that the motor 7 can smoothly drive the screw rod 9 to rotate. The positioning of the positioning sleeve 110 and the cooperation between the outer wall of the connector 8 and the inner wall of the support sleeve 111 ensure that the screw rod 9 and the connector 8 rotate smoothly and stably, reducing jitter or swing during the rotation process.

[0029] like Figure 3As shown, a motor bracket 15 and a motor bracket cover 16 are provided inside the handle 1. The motor bracket 15 and the motor bracket cover 16 are screwed together to secure the battery 6 and the motor 7 therein, preventing the battery 6 and the motor 7 from shaking in the handle 1 and causing poor contact. A threaded locking member 14 is also provided between the handle 1 and the outer rod 2. The threaded locking member 14 connects the outer rod 2 to the handle 1 and secures the position of the screw 9 and the positioning sleeve 110 in the outer rod 2.

[0030] like Figure 1-3 As shown, the handle 1 is also provided with a control button 10 that can control the motor to rotate in two different directions, forward and reverse. The handle 1 is also provided with a charging port 18 for charging the battery 6. A charging port cover 12 is provided above the charging port 18. The charging port cover 12 is provided with a charging port hole 121 that allows the charging port 18 to pass through. The charging port cover 12 is also provided with a charging port dust cover 13. Specifically, the control button 10 and the charging port dust cover 13 are made of silicone material.

[0031] like Figure 2-5 As shown, the outer rod 2 of the utility model is provided with an inner rod 3 that can be telescopic therein. The lower end of the inner rod 3 is connected to the roller 5 through the elbow assembly 4, the roller 5 is fixed to the elbow assembly 4 through the roller lock cover 52, and the paint baffle 51 is fixed to the elbow assembly 4 through a fastener at one end. A threaded part 31 is threadedly connected to the screw rod 9, and the threaded part 31 is fixedly connected to the inner rod 3. The screw rod 9 extends into the inner rod 3 through the threaded part 31. When the output shaft of the motor 7 rotates, it drives the screw rod 9 to rotate in the threaded part 31, so that the inner rod 3 can be freely telescopic in the outer rod 2.

[0032] like Figure 4 As shown, the lower end of the outer rod 2 and the upper end of the inner rod 3 are equipped with an anti-slip structure 17 that cooperates to prevent the inner rod 3 from escaping from the outer rod 2. The anti-slip structure 17 consists of a threaded member 31 fixedly connected to the inner rod 3 and a retaining sleeve 21 fixedly connected to the lower end of the outer rod 2. Specifically, the threaded member 31 is a nut-like structure with a larger upper portion and a smaller lower portion and is riveted to the top of the inner rod 3. The outer diameter of its upper portion is larger than the outer diameter of the inner rod 3 and smaller than the inner diameter of the outer rod 2, forming a first boss 311 with its lower portion. The retaining sleeve 21 is fixed to the lower end of the outer rod 2. The lower portion of the retaining sleeve 21 is provided with a second boss 211 with an inner diameter smaller than the inner diameter of the outer rod 2 and slightly larger than the outer diameter of the inner rod 3. When the inner rod 3 is extended to its maximum length, the second boss 211 on the retaining sleeve 21 blocks the first boss 311 on the threaded member 31 from escaping, thereby preventing the inner rod 3 from escaping from the outer rod 2.

[0033] In the embodiment of the present invention, the battery 6 is electrically connected to the motor 7 , the control button 10 , and the charging port 18 .

[0034] The utility model is an electric telescopic roller paint brushing tool. When needed, the control button 10 can be used to make the motor 7 drive the screw rod 9 to rotate in two different directions in the threaded member 31, so that the inner rod 3 can be vertically raised and lowered in the outer rod 2, which is convenient for adjusting the length of the electric telescopic roller paint brushing device; it is easy to operate, has a wide range of uses, and is suitable for promotion.

Claims

1. An electric telescopic roller paint brush tool, characterized by: The invention comprises an outer rod (2) and a handle (1) connected to the top of the outer rod (2), wherein a motor (7) is installed inside the handle (1), an output end of the motor (7) is connected to a screw rod (9), an inner rod (3) is slidably connected to the inner bottom of the outer rod (2), a bent pipe assembly (4) is connected to the bottom end of the inner rod (3), a threaded member (31) is threadedly connected to the screw rod (9), a rotation limiting groove of the threaded member (31) is provided on the inner wall of the outer rod (2), and a limiting protrusion on the outer side of the threaded member (31) is adapted to the limiting groove, and the threaded member (31) is fixedly connected to the inner rod (3).

2. The electric telescopic roller paint brush tool according to claim 1, characterized in that: A connecting piece (8) is provided between the output end of the motor (7) and the screw rod (9) to connect the two.

3. The electric telescopic roller paint brush tool according to claim 1, characterized in that: A support structure (11) for supporting the screw rod (9) is provided between the top of the screw rod (9) and the outer rod (2).

4. The electric telescopic roller paint brush tool according to claim 3, characterized in that: The support structure (11) comprises a support sleeve (111) sleeved on the top of the screw rod (9) and a positioning sleeve (110) fixed in the outer rod (2), and the positioning sleeve (110) is sleeved on the support sleeve (111).

5. The electric telescopic roller paint brush tool according to claim 1, characterized in that: The handle (1) and the outer rod (2) are integrally formed or separately provided.

6. The electric telescopic roller paint brush tool according to any one of claims 1 to 5, characterized in that: An anti-slip structure (17) is provided between the bottom end of the outer rod (2) and the top end of the inner rod (3), which can cooperate with each other to prevent the inner rod (3) from slipping out of the outer rod (2).

7. The electric telescopic roller paint brush tool according to claim 6, characterized in that: The anti-slip structure (17) comprises a limiting sleeve (21) fixedly connected to the bottom end of the outer rod (2), a second boss (211) being provided at the bottom of the limiting sleeve (21), and a first boss (311) being provided at the top of the threaded member (31), wherein the inner diameter of the second boss (211) is smaller than the outer diameter of the first boss (311).

8. The electric telescopic roller paint brush tool according to claim 5, characterized in that: The handle (1) is provided with a control button (10) for controlling the forward and reverse rotation of the motor (7), and a battery (6) for powering the motor (7) is also provided in the handle (1).

9. The electric telescopic roller paint brush tool according to claim 8, characterized in that: The handle (1) is also provided with a charging port (18) for charging the battery (6), and a charging port dust cover (13) is provided above the charging port (18).

10. The electric telescopic roller paint brush tool according to claim 1, characterized in that: The roller (5) is rotatably mounted on the elbow assembly (4), and roller lock covers (52) threadedly connected to the elbow assembly (4) are provided at both ends of the roller (5). An arc-shaped paint baffle (51) covering the roller (5) is buckled onto the elbow assembly (4).

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