CN221682365U - Telescopic paint brush - Google Patents

Abstract

The utility model relates to a telescopic paint brush, which comprises a grab handle, wherein a mounting frame is inserted on the grab handle, a roller is arranged on the mounting frame, a bottom plate is fixedly arranged at the bottom of the mounting frame and is slidably arranged in the grab handle, two side blocks are symmetrically and fixedly arranged on the side surface of the bottom plate, strip-shaped grooves are symmetrically formed in the inner wall of the side surface of the grab handle, the two side blocks are respectively slidably arranged in the two strip-shaped grooves, a spring is sleeved on the mounting frame and is arranged in the grab handle, a rotating block is arranged on the inner wall of the grab handle through threads, and the distance between the roller and the grab handle can be adjusted through rotating the rotating block; this scheme is inserted through cross screwdriver or other available instrument and is driven the commentaries on classics piece and rotate in the socket, and side piece slidable mounting can prevent that the cylinder from rotating in the bar inslot, and the commentaries on classics piece can push away ball and bottom plate and remove, and the mounting bracket can outwards stretch out, and adjustable cylinder can make cylinder and bottom plate can not rock to the distance of grab handle, and the ball can reduce the frictional force between ball and the bottom plate.

Description

A telescopic paint brush

Technical Field

The utility model relates to the technical field of paint brushes, in particular to a telescopic paint brush.

Background Art

A paint brush can be used to paint a wall. The paint brush includes a handle and a roller. When in use, the paint brush is painted by holding the handle. Depending on the user, the distance between the roller and the handle will also affect the user experience. However, the distance between the roller and the handle of a commonly used paint brush cannot be adjusted, which makes the actual experience of many purchasing users poor. Therefore, those skilled in the art provide a telescopic paint brush to solve the problem raised.

Utility Model Content

In order to solve the problem that the distance between the roller and the handle cannot be adjusted, the utility model provides a telescopic paint brush.

The utility model provides a retractable paint brush adopts the following technical solution:

A telescopic paint brush comprises a handle, a mounting frame is inserted into the handle, a roller is arranged on the mounting frame, a bottom plate is fixedly mounted on the bottom of the mounting frame, the bottom plate is slidably mounted in the handle, two side blocks are symmetrically fixedly mounted on the side of the bottom plate, strip grooves are symmetrically opened on the side inner wall of the handle, the two side blocks are respectively slidably mounted in the two strip grooves, a spring is sleeved on the mounting frame, the spring is arranged in the handle, a rotating block is installed on the inner wall of the handle through a thread, the distance between the roller and the handle can be adjusted by rotating the rotating block, and it is convenient for different people to use.

Preferably, a plurality of balls are arranged between the bottom of the bottom plate and the top of the rotating block, so as to reduce the friction between the rotating block and the bottom plate.

Preferably, an annular groove is formed on the lower surface of the bottom plate and the upper surface of the rotating block, and a plurality of balls are arranged between the two annular grooves, so that the balls can be limited to prevent random rolling.

Preferably, a socket is provided at the bottom of the rotating block, and the transverse cross-section of the socket is set to be rectangular, and a tool can be inserted to perform rotation adjustment.

Preferably, a circular opening is provided at the bottom end of the handle, and the diameter of the circular opening is smaller than the inner diameter of the handle, and the socket is located in the middle of the circular opening, so as to facilitate the tool to pass through the circular opening.

In summary, the utility model includes the following beneficial technical effects:

A cross screwdriver or other available tool is inserted into the socket to drive the rotating block to rotate. The side block is slidably installed in the strip groove to prevent the roller from rotating. The rotating block can push the ball and the bottom plate to move. The mounting frame can extend outward to adjust the distance from the roller to the handle. The spring can prevent the roller and the bottom plate from shaking, and the ball can reduce the friction between the ball and the bottom plate.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of a retractable paint brush in an embodiment of the utility model;

FIG2 is a schematic diagram of a cross-sectional structure of a handle of a telescopic paint brush according to an embodiment of the present utility model;

3 is a schematic diagram of a top view of a cross-sectional structure of a rotating block or a bottom plate of a telescopic paint brush in an embodiment of the present utility model;

FIG4 is a schematic diagram of a top view of a cross-sectional structure of a side block of a telescopic paint brush according to an embodiment of the present utility model;

FIG5 is a schematic diagram of a top cross-sectional structure of a socket of a telescopic paint brush in an embodiment of the utility model.

Explanation of the reference numerals: 1. handle; 2. spring; 3. rotating block; 4. ball bearing; 11. mounting frame; 12. bottom plate; 13. side block; 14. strip groove; 31. socket.

DETAILED DESCRIPTION

The utility model is further described in detail below in conjunction with Figures 1-3.

It should be noted that the drawings are schematic and not drawn to scale. For the sake of clarity and convenience, the relative sizes and proportions of the parts shown in the drawings are exaggerated or reduced in size, and any size is only exemplary and not restrictive. In addition, the same reference symbols are used for the same structures, elements or accessories appearing in more than two figures to reflect similar features.

The utility model embodiment discloses a telescopic paint brush.

A telescopic paint brush comprises a handle 1, a mounting frame 11 is inserted into the handle 1, a roller is arranged on the mounting frame 11, a bottom plate 12 is fixedly mounted on the bottom of the mounting frame 11, the bottom plate 12 is slidably mounted in the handle 1, two side blocks 13 are symmetrically fixedly mounted on the side of the bottom plate 12, strip grooves 14 are symmetrically opened on the side inner wall of the handle 1, the two side blocks 13 are respectively slidably mounted in the two strip grooves 14, a spring 2 is sleeved on the mounting frame 11, the spring 2 is arranged in the handle 1, a rotating block 3 is threadedly mounted on the inner wall of the handle 1, the distance between the roller and the handle 1 can be adjusted by rotating the rotating block 3, and different people can use it conveniently.

In Figures 1 and 2: a plurality of balls 4 are arranged between the bottom of the base plate 12 and the top of the rotating block 3, which can reduce the friction between the rotating block 3 and the base plate 12; annular grooves are provided on the lower surface of the base plate 12 and the upper surface of the rotating block 3, and a plurality of balls 4 are arranged between the two annular grooves, which can limit the balls 4 and prevent them from rolling randomly.

In Figures 1 and 4: a socket 31 is provided at the bottom of the rotating block 3, and the transverse cross-section of the socket 31 is set to be rectangular, and a tool can be inserted for rotation adjustment; a circular opening is provided at the bottom end of the handle 1, and the diameter of the circular opening is smaller than the inner diameter of the handle 1, and the socket 31 is located in the middle of the circular opening, which is convenient for the tool to pass through the circular opening.

The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

The implementation principle of a telescopic paint brush according to an embodiment of the utility model is as follows: before use, the depth of the mounting frame 11 inserted into the handle 1 can be adjusted, so that the distance between the roller and the handle 1 can be adjusted. A cross screwdriver or other available tools can be inserted into the socket 31 to drive the rotating block 3 to rotate. The side block 13 is slidably installed in the strip groove 14 to prevent the roller from rotating. The rotating block 3 can push the ball 4 and the bottom plate 12 to move, and the mounting frame 11 can extend outward to adjust the distance. The spring 2 can prevent the roller and the bottom plate 12 from shaking, and the ball 4 can reduce the friction between the ball 4 and the bottom plate 12.

Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which can be a mechanical connection or an electrical connection, can be the internal communication of two components, or can be a direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a telescopic coating brush, includes grab handle (1), peg graft on grab handle (1) have mounting bracket (11), are provided with the cylinder on mounting bracket (11), its characterized in that: the bottom fixed mounting of mounting bracket (11) has bottom plate (12), bottom plate (12) slidable mounting is in grab handle (1), two side blocks (13) are fixedly installed symmetrically to the side of bottom plate (12), bar groove (14) have been seted up to the side inner wall symmetry of grab handle (1), two side blocks (13) slidable mounting respectively in two bar grooves (14), the cover is equipped with spring (2) on mounting bracket (11), spring (2) set up in grab handle (1), rotating block (3) are installed through the screw thread to the inner wall of grab handle (1).

2. A retractable paint brush according to claim 1, wherein: a plurality of balls (4) are arranged between the bottom of the bottom plate (12) and the top of the rotating block (3).

3. A retractable paint brush as claimed in claim 2, wherein: annular grooves are formed in the lower surface of the bottom plate (12) and the upper surface of the rotating block (3), and a plurality of balls (4) are arranged between the two annular grooves.

4. A retractable paint brush according to claim 1, wherein: the bottom of the rotating block (3) is provided with a socket (31), and the transverse section of the socket (31) is rectangular.

5. A retractable paint brush according to claim 1, wherein: the bottom of grab handle (1) is provided with circular opening, and circular opening's diameter is less than the internal diameter of grab handle (1), and socket (31) are located circular opening centre.