Conveniently-adjusted telescopic rod for paint brush

Abstract

The utility model discloses a telescopic rod convenient to adjust for a paint brush, and relates to the technical field of paint tools, the telescopic rod comprises a first handle, one end of the first handle is fixedly connected with an outer sleeve, the inner wall of the outer sleeve is slidably provided with a middle sleeve rod, and one end of the middle sleeve rod far away from the outer sleeve is fixedly connected with a second handle; and an inner extension rod is arranged on the inner wall of the middle-layer sleeve rod in a sliding manner. The inner extension rod, the middle-layer sleeve rod and the outer-layer sleeve are arranged in the telescopic rod, the outer-layer sleeve can be moved, meanwhile, a driving toothed belt wheel and a synchronous toothed belt are used for driving a driven toothed belt wheel to rotate, and therefore a first gear and a second gear are driven to rotate synchronously, and a first rack and a second rack are driven to move reversely; and then the inner extension rod and the outer sleeve are driven to move in the opposite direction, so that the extension or contraction of the telescopic rod is realized, the length of the paint telescopic rod is operated by one hand, and the operation is simple and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to paint tool technical field especially, relates to a telescopic link for paint brush convenient to adjust. BACKGROUND

[0002] The paint rod is a kind of paint tool, it is used to connect paint brush, paint roller, paint shovel and so on wall surface brushing and repair tool, and is held by operating personnel, to increase the distance between wall surface brushing and repair tool and operating personnel's hand, facilitate operating personnel to carry out the brushing and repair work of high position wall surface.

[0003] The patent file with disclosure number CN210421826U discloses a paint roller lock telescopic link, including support rod and paint brushing device, the lower end of paint brushing device is fixedly provided with sleeve, support rod is fixedly provided with connecting column, support rod is provided with lock catch, lock catch is located on the downside of connecting column, lock catch includes fixed sleeve and buckle, fixed sleeve is sleeved on support rod and is slidably connected with support rod, fixed sleeve is pushed upward, so that clamping sheet enters into clamping groove, buckle is rotated, so that fixed sleeve is fixed with support rod, the fixing of sleeve is realized, and the fixing of paint brushing device is realized.

[0004] The paint roller lock telescopic link in the above patent file needs to rotate buckle and a series of operations when adjusting the length of telescopic link, cannot adjust the length of telescopic link with one hand, leads to that operation is not simple and fast, and it is inconvenient for paint construction personnel to carry out high-altitude paint construction work. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of telescopic links for paint brush convenient to adjust, to realize the above-mentioned purpose, the utility model has adopted the following technical solutions:

[0006] A kind of telescopic links for paint brush convenient to adjust, including first handle, the one end of the first handle is fixedly connected with outer sleeve, the inner wall of the outer sleeve is slidably provided with middle layer sleeve rod, the one end of the middle layer sleeve rod away from outer sleeve is fixedly connected with second handle;

[0007] The inner wall of the middle layer sleeve rod is slidably provided with inner extension rod, the inner wall of the middle layer sleeve rod is rotatably connected with drive rod, the surface of the drive rod is fixedly connected with first gear, the inner wall of the second handle is rotatably connected with linkage rod, the surface of the linkage rod is fixedly connected with second gear, the surface of the inner extension rod is fixedly provided with second rack, the second rack is located below second gear, and second gear is engaged with second rack;

[0008] The inner wall of the outer sleeve is fixedly connected with first rack, the first rack is located above first gear, and first gear is engaged with first rack.

[0009] By setting the inner extension rod, the middle layer sleeve rod and the outer layer sleeve in the inside of the telescopic rod, the inner extension rod can be moved in the opposite direction of the outer layer sleeve when the outer layer sleeve is moved, so that the telescopic rod is started to be lengthened or contracted, and the length of the paint telescopic rod is operated by one hand, so that the operation is simple and convenient.

[0010] In a preferred scheme, the surface of the driving gear belt pulley is fixedly connected with the driving gear belt pulley, the surface of the driven gear belt pulley is fixedly connected with the driven gear belt pulley, and the surfaces of the driving gear belt pulley and the driven gear belt pulley are sleeved with the synchronous gear belt.

[0011] By setting the driving gear belt pulley, the synchronous gear belt can be moved by the driving gear belt pulley, so as to drive the synchronous rotation of the driven gear belt pulley.

[0012] In a preferred scheme, the upper surface of the second handle is provided with a positioning installation groove, the inside of the positioning installation groove is rotatably provided with a locking button, the lower surface of the locking button is fixedly connected with a locking plug rod, and the bottom end of the locking plug rod extends to the surface of the second rack.

[0013] In a preferred scheme, the bottom end of the locking plug rod is provided with a limiting clamping groove, and the size of the limiting clamping groove corresponds to the tooth block of the second rack.

[0014] By setting the locking button on the surface of the second handle, the locking plug rod is separated from the surface of the second rack by pressing the locking button during use, so that the telescopic limit of the telescopic rod is released, one-handed operation is facilitated, and the construction efficiency is improved.

[0015] In a preferred scheme, the inner wall of the positioning installation groove is fixedly connected with a return spring, and the top end of the return spring is fixedly connected with the lower surface of the locking button.

[0016] By setting the return spring, the return spring can be extruded after the locking button is pressed, so that the locking button can be automatically reset by the rebound force of the return spring after the locking button is released, and the second rack is limited by the locking plug rod driven by the locking button.

[0017] In a preferred scheme, the end of the inner extension rod away from the second handle is fixedly connected with a paint brush fixing column, and the end of the paint brush fixing column is provided with an installation slot.

[0018] By setting the paint brush fixing column and the installation slot, the handle of the paint brush can be inserted into the inside of the installation slot.

[0019] In a preferred scheme, the upper surface of the middle sleeve rod is provided with a gear through hole, the position of the gear through hole corresponds to the first gear, and the top of the first gear extends to the outside of the middle sleeve rod through the gear through hole.

[0020] By setting.

[0021] As can be seen from the above, the utility model provides a telescopic rod for paint brush convenient to adjust has following technical effect.

[0022] Firstly, by arranging the inner extension rod, the middle sleeve rod and the outer sleeve in the telescopic rod, the driven toothed belt wheel is driven to rotate by the driving toothed belt wheel and the synchronous toothed belt when the outer sleeve is moved, so that the first gear and the second gear are synchronously rotated, the first rack and the second rack are reversely moved, the inner extension rod is moved in the opposite direction of the outer sleeve, the telescopic rod is started to be lengthened or contracted, the length of the paint telescopic rod is adjusted by single hand, the operation is simple and convenient, and the telescopic rod is convenient for painters to use for paint construction.

[0023] Secondly, by arranging the locking button on the surface of the second handle, the locking plug rod is separated from the surface of the second rack by pressing the locking button when in use, so that the telescopic rod is released from the telescoping limit, single hand operation is facilitated, and the construction efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The utility model provides a telescopic rod for paint brush convenient to adjust contraction state structure schematic diagram.

[0025] Figure 2 The utility model provides a telescopic rod for paint brush convenient to adjust elongation state structure schematic diagram.

[0026] Figure 3 The utility model provides a telescopic rod for paint brush convenient to adjust local section structure schematic diagram.

[0027] Figure 4 The utility model provides a telescopic rod for paint brush convenient to adjust local section structure schematic diagram.

[0028] Figure 5 For Figure 3 The enlarged structure schematic diagram of the middle A.

[0029] Figure 6 For Figure 3 The enlarged structure schematic diagram of the middle B.

[0030] Figure 7 The utility model provides a telescopic rod for paint brush convenient to adjust first handle internal structure schematic diagram.

[0031] Figure 8 The utility model provides a convenient adjustment's telescopic rod for paint brush's outer sleeve internal structure schematic view.

[0032] In the drawing: 1, first handle, 2, outer sleeve, 3, middle sleeve rod, 4, second handle, 5, inner extension rod, 6, drive rod, 7, first gear, 8, linkage rod, 9, second gear, 10, second rack, 11, first rack, 12, return spring, 13, drive gear belt pulley, 14, driven gear belt pulley, 15, synchronous gear belt, 16, positioning installation groove, 17, locking button, 18, locking plug rod, 19, gear through hole, 20, limit clamping groove, 21, paint brush fixing column, 22, installation slot. DETAILED DESCRIPTION

[0033] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0034] Referring to Figure 1 and Figure 2 A convenient adjustment's telescopic rod for paint brush, including first handle 1, one end of first handle 1 is fixedly connected with outer sleeve 2, the inner wall of outer sleeve 2 is slidably provided with middle sleeve rod 3, and the end, away from outer sleeve 2, of middle sleeve rod 3 is fixedly connected with second handle 4.

[0035] Referring to Figure 3 and Figure 4 In a preferred embodiment, the end, away from second handle 4, of inner extension rod 5 is fixedly connected with paint brush fixing column 21, and the end of paint brush fixing column 21 is provided with installation slot 22.

[0036] It should be noted that the inner wall of middle sleeve rod 3 is slidably provided with inner extension rod 5, the inner wall of middle sleeve rod 3 is rotatably connected with drive rod 6, the surface of drive rod 6 is fixedly connected with first gear 7, the inner wall of second handle 4 is rotatably connected with linkage rod 8, the surface of linkage rod 8 is fixedly connected with second gear 9, the surface of inner extension rod 5 is fixedly provided with second rack 10, second rack 10 is located below second gear 9, and second gear 9 is engaged with second rack 10.

[0037] In a preferred embodiment, the upper surface of middle sleeve rod 3 is provided with gear through hole 19, the position of gear through hole 19 corresponds to first gear 7, and the top of first gear 7 extends to the outside of middle sleeve rod 3 through gear through hole 19.

[0038] It should be noted that the inner wall of the outer sleeve 2 is fixedly connected with the first rack 11, the first rack 11 is located above the first gear 7, and the first gear 7 is engaged with the first rack 11.

[0039] With reference to Figure 5 And Figure 6 In a preferred embodiment, the upper surface of the second handle 4 is provided with a positioning installation groove 16, a locking button 17 is rotatably arranged in the positioning installation groove 16, a return spring 12 is fixedly connected to the inner wall of the positioning installation groove 16, and the top end of the return spring 12 is fixedly connected to the lower surface of the locking button 17.

[0040] It should be noted that the lower surface of the locking button 17 is fixedly connected with a locking plug rod 18, the bottom end of the locking plug rod 18 extends to the surface of the second rack 10, the bottom end of the locking plug rod 18 is provided with a limiting clamping groove 20, and the limiting clamping groove 20 is corresponding in size to the tooth block of the second rack 10.

[0041] It is worth noting that by arranging the locking button 17 on the surface of the second handle 4, when in use, the limiting clamping groove 20 on the surface of the locking plug rod 18 is separated from the surface of the second rack 10 by pressing the locking button 17, thereby releasing the locking of the locking plug rod 18 to the telescopic rod, facilitating one-handed operation, and being conducive to improving the construction efficiency.

[0042] With reference to Figure 7 And Figure 8 In a preferred embodiment, the surface of the driving rod 6 is fixedly connected with a driving toothed belt wheel 13, the surface of the linkage rod 8 is fixedly connected with a driven toothed belt wheel 14, the surface of the driving toothed belt wheel 13 and the driven toothed belt wheel 14 is sleeved with a synchronous toothed belt 15, and the driving toothed belt wheel 13 is in transmission connection with the driven toothed belt wheel 14 through the synchronous toothed belt 15.

[0043] Working principle: when using the telescopic rod, first press the locking button 17 on the surface of the second handle 4, then move the outer sleeve 2 and the first handle 1 in the opposite direction of the second handle 4, use the first rack 11 on the inner wall of the outer sleeve 2 to drive the first gear 7 to rotate, then drive the driving rod 6 to rotate, drive the driving toothed belt wheel 13 to rotate, and drive the driven toothed belt wheel 14 to rotate through the synchronous toothed belt 15, thereby driving the linkage rod 8 to rotate, and driving the second gear 9 to rotate synchronously, driving the second rack 10 to move in the opposite direction, thereby driving the inner extension rod 5 to move in the opposite direction of the outer sleeve 2, thereby realizing the extension or contraction of the telescopic rod, facilitating the single-handed operation of the length of the paint telescopic rod by the construction personnel, and making the operation simple and convenient.

[0044] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. A telescopic rod for an easily adjustable paintbrush, comprising a first handle (1), characterized in that, One end of the first handle (1) is fixedly connected to an outer sleeve (2), and a middle sleeve rod (3) is slidably disposed on the inner wall of the outer sleeve (2). The end of the middle sleeve rod (3) away from the outer sleeve (2) is fixedly connected to a second handle (4). The inner wall of the middle sleeve rod (3) is slidably provided with an inner extension rod (5), the inner wall of the middle sleeve rod (3) is rotatably connected with a drive rod (6), the surface of the drive rod (6) is fixedly connected with a first gear (7), the inner wall of the second handle (4) is rotatably connected with a linkage rod (8), the surface of the linkage rod (8) is fixedly connected with a second gear (9), the surface of the inner extension rod (5) is fixedly provided with a second rack (10), the second rack (10) is located below the second gear (9), and the second gear (9) meshes with the second rack (10); The inner wall of the outer sleeve (2) is fixedly connected to a first rack (11), the first rack (11) is located above the first gear (7), and the first gear (7) meshes with the first rack (11).

2. The telescopic rod for a conveniently adjustable paintbrush according to claim 1, characterized in that, A drive toothed pulley (13) is fixedly connected to the surface of the drive rod (6), and a driven toothed pulley (14) is fixedly connected to the surface of the linkage rod (8). A synchronous toothed belt (15) is sleeved on the surfaces of the drive toothed pulley (13) and the driven toothed pulley (14). The drive toothed pulley (13) is connected to the driven toothed pulley (14) through the synchronous toothed belt (15).

3. The telescopic rod for a conveniently adjustable paintbrush according to claim 1, characterized in that, The upper surface of the second handle (4) is provided with a positioning mounting groove (16), and a locking button (17) is rotatably provided inside the positioning mounting groove (16). A locking rod (18) is fixedly connected to the lower surface of the locking button (17), and the bottom end of the locking rod (18) extends to the surface of the second rack (10).

4. The telescopic rod for a conveniently adjustable paintbrush according to claim 3, characterized in that, The bottom end of the locking rod (18) is provided with a limiting groove (20), the size of which corresponds to the tooth block of the second rack (10).

5. A telescopic rod for a paint brush that is easy to adjust according to claim 3, characterized in that, A reset spring (12) is fixedly connected to the inner wall of the positioning mounting groove (16), and the top end of the reset spring (12) is fixedly connected to the lower surface of the locking button (17).

6. The telescopic rod for a conveniently adjustable paintbrush according to claim 1, characterized in that, The inner extension rod (5) is fixedly connected to a paint brush fixing post (21) at one end away from the second handle (4), and the end of the paint brush fixing post (21) is provided with an installation slot (22).

7. The telescopic rod for a conveniently adjustable paintbrush according to claim 1, characterized in that, The upper surface of the middle sleeve rod (3) is provided with a gear through hole (19), the position of the gear through hole (19) corresponds to the first gear (7), and the top of the first gear (7) extends to the outside of the middle sleeve rod (3) through the gear through hole (19).

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