Hairbrush

Abstract

A moving frame is connected in a hollow brush handle in an up-down sliding mode, bristles are arranged at the upper end of the moving frame, a rotating frame capable of rotating in the brush handle is connected below the moving frame in a rotating mode, a blocking portion for blocking the rotating frame from moving downwards is arranged in the brush handle, and a through hole is formed in the blocking portion. The rotating frame is provided with a projecting shaft which penetrates through the through hole and extends below the blocking part, a knob connected with the projecting shaft is arranged below the brush handle, the rotating frame is provided with a rotating shaft, the moving frame is provided with a sleeve arm, the rotating shaft is provided with a groove which is obliquely arranged from top to bottom along the outer surface of the rotating shaft, and the inner side of the sleeve arm is provided with a convex point which protrudes inwards in the groove. The protruding point is matched with the groove and moves along the groove to drive the moving frame to slide upwards or downwards in the brush handle when the rotating shaft rotates, the moving frame and the bristles are located in the brush handle when the protruding point is located at the lower end of the groove, the moving frame drives the bristles to extend upwards to the upper portion of the brush handle when the rotating shaft rotates to enable the protruding point to move towards the upper end of the groove, and the toothbrush is simple in structure and convenient to use.

Description

[Technical Field]

[0001] This utility model relates to a brush. [Background Technology]

[0002] In existing brushes, the bristles are usually fixed to one end of the handle. When not in use, brushes are often placed together with other items in daily life, or placed in backpacks or suitcases when traveling. The bristles are easily squeezed and deformed or damaged, and they are also easily contaminated with dust or dirt.

[0003] This utility model was made based on this situation. [Utility Model Content]

[0004] The technical problem to be solved by this utility model is to provide a brush with a simple structure, which has the characteristics of bristle protection and ease of use.

[0005] To solve the above-mentioned technical problems, this utility model provides a brush, including a hollow brush handle. A movable frame that can move up and down is slidably connected inside the brush handle. Brush bristles are installed at the upper end of the movable frame. A rotating frame that can rotate inside the brush handle is rotatably connected below the movable frame. The brush handle has a blocking part that prevents the rotating frame from moving downwards. The blocking part has a through hole. The rotating frame has an extending shaft that passes through the through hole and extends below the blocking part. A knob connected to the extending shaft and capable of driving the rotating frame to rotate is located below the brush handle. The rotating frame has... The rotating shaft has a sleeve arm on the movable frame. The rotating shaft is located inside the sleeve arm and can rotate and move up and down relative to the sleeve arm. The rotating shaft has a groove that is inclined downwards along its outer surface. The sleeve arm has a protrusion protruding inwards into the groove on its inner side. The protrusion cooperates with the groove and moves along the groove when the rotating shaft rotates, causing the movable frame to slide up or down inside the brush handle. When the protrusion is located at the lower end of the groove, the movable frame and brush bristles are located inside the brush handle. When the rotating shaft rotates and moves the protrusion to the upper end of the groove, the movable frame, along with the brush bristles, extends upwards above the brush handle.

[0006] As described above, the brush arm and the corresponding protrusion are two in number and arranged opposite to each other, and correspondingly, there are two grooves on the outer side of the rotating shaft.

[0007] In the brush described above, the upper end of the groove is a closed end.

[0008] In the brush described above, when the protrusion moves to the lower end of the groove, the blocking part blocks the sleeve arm from moving downwards.

[0009] As described above, the brush handle has a straight groove, and the movable frame has protruding ribs. The ribs cooperate with the straight groove to allow the movable frame to slide up and down within the brush handle.

[0010] As described above, the upper end of the movable frame is provided with a downwardly recessed mounting groove, and the lower end of the brush bristles is provided with a fixing ring to bind and fix the brush bristles. The fixing ring is detachably installed in the mounting groove.

[0011] As described above, the lower end of the brush handle is provided with a stepped shaft with a reduced outer diameter, and the knob is sleeved on the outside of the stepped shaft and rotatably connected to the stepped shaft.

[0012] As described above, a decorative ring is fixed to the handle of the brush, the decorative ring being located above the knob and preventing the knob from moving upward.

[0013] As described above, the brush handle is cylindrical, the outer surfaces of the knob and decorative ring are circular, and the brush handle, decorative ring and knob are coaxially arranged with the same or substantially the same outer diameter.

[0014] As described above, the lower end face of the knob is provided with a downwardly protruding support portion that allows the brush to stand upright.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. This utility model utilizes a groove on the outer surface of the rotating shaft that slopes downwards, which engages with a protrusion on the sleeve arm. When the shaft rotates, the groove wall acts on the protrusion, quickly driving the moving frame to move axially, allowing the moving frame to rapidly extend or retract the brush bristles into the brush handle. When using the brush bristles, turning the knob extends them to the top of the brush handle. After use, turning the knob in the opposite direction retracts the bristles into the handle, protecting them and preventing them from being crushed or damaged by external objects. It also helps prevent dust and dirt accumulation, making the brush easier to store and carry.

[0017] 2. The upper end of the groove in this utility model is a closed end. During the process of the rotating shaft driving the moving frame to move upward, the protrusion is prevented from sliding out of the groove, and the rotating shaft is restricted from continuing to rotate. During the process of the rotating shaft driving the moving frame to move downward, when the protrusion moves to the lower end of the groove, the bristles retract into the brush handle, and the blocking part blocks the sleeve arm from moving downward from below. The protrusion is located in the groove and cooperates with the groove wall to restrict the rotating shaft from continuing to rotate.

[0018] 3. The brush handle of this utility model is cylindrical, and the outer surfaces of the knob and decorative ring are circular. The brush handle, decorative ring and knob are coaxially arranged and the outer diameters of the three are the same or basically the same, resulting in a compact structure. A downward protruding support is provided on the lower end face of the knob, which facilitates the upright placement of the brush, thereby saving storage space and keeping the table surface tidy. [Attached Image Description]

[0019] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0020] Figure 1 This is an exploded view of a brush according to this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of a brush in the extended bristle state according to this utility model;

[0022] Figure 3 This is an internal structural diagram of a brush with bristles extended, according to this utility model.

[0023] Figure 4 This is an internal structural diagram of a brush with bristles retracted into the handle, according to this utility model.

[0024] Figure 5 This is a schematic diagram of the moving frame and rotating frame in the extended bristle state.

Detailed Implementation Methods

[0025] The present invention will be further described below with reference to the accompanying drawings:

[0026] like Figures 1 to 5 A brush, as shown, includes a hollow handle 1. A movable frame 2, capable of vertical movement, is slidably connected inside the handle 1. Brush bristles 3 are mounted on the upper end of the movable frame 2. A rotating frame 4, rotatably connected below the movable frame 2 inside the handle 1, is also rotatably connected. The handle 1 has a blocking part 11 that prevents the rotating frame 4 from moving downwards. The blocking part 11 has a through hole 12. The rotating frame 4 has an extending shaft 41 that passes through the through hole 12 and extends below the blocking part 11. A knob 5, connected to the extending shaft 41 and capable of rotating the rotating frame 4, is located below the handle 1. The rotating frame 4 has a rotating shaft 42. The movable frame 2 has... The sleeve arm 21 has a rotating shaft 42 located inside the sleeve arm 21 and capable of rotating and moving up and down relative to the sleeve arm 21. The rotating shaft 42 has a groove 43 inclined downward along its outer surface. The inner side of the sleeve arm 21 has a protrusion 22 protruding inward in the groove 43. The protrusion 22 cooperates with the groove 43 and moves along the groove 43 when the rotating shaft 42 rotates, thereby driving the movable frame 2 to slide up or down inside the brush handle 1. When the protrusion 22 is located at the lower end of the groove 43, the movable frame 2 and the bristles 3 are located inside the brush handle 1. When the rotating shaft 42 rotates and moves the protrusion 22 to the upper end of the groove 43, the movable frame 2, along with the bristles 3, extends upward above the brush handle 1.

[0027] The groove 43 on the outer surface of the rotating shaft 42, which slopes downward from top to bottom, cooperates with the protrusion 22 on the sleeve arm 21. When the rotating shaft 42 rotates, the groove wall of the groove 43 acts on the protrusion 22, which can quickly drive the moving frame 2 to move axially, so that the moving frame 2, with the bristles 3, extends out or retracts into the brush handle 1.

[0028] like Figure 1 and Figure 5 As shown, each of the grooves 43 extends 180° around the circumference of the rotating shaft 42 from the top to the bottom, so that rotating the shaft 2 by 180° can drive the protrusion 22 to move from the top to the bottom of the groove 43, or from the bottom to the top of the groove 43, so that rotating the knob 5 half a turn can drive the bristles 3 to quickly extend or retract into the brush handle 1.

[0029] When using the brush bristles 3, turn the knob 5 to extend the brush bristles 3 to the upper end of the brush handle 1. After use, turn the knob 5 in the opposite direction to retract the brush bristles 3 into the brush handle 1, protecting the brush bristles 3. This helps to prevent the brush bristles 3 from being squeezed, deformed, or damaged by external objects, and also better prevents them from getting dusty or dirty, making the brush easier to store and carry when going out.

[0030] Preferably, there are two sleeve arms 21 and two corresponding protrusions 22 arranged opposite to each other. Correspondingly, there are two grooves 43 on the outer side of the rotating shaft 42, which facilitates the rotation of the rotating shaft 42 to drive the moving frame 2 to move smoothly up and down.

[0031] Preferably, the upper end of the groove 43 is a closed end, which prevents the protrusion 22 from sliding out of the groove 43 during the process of the rotating shaft 42 driving the moving frame 2 to move upward, and at the same time restricts the rotating shaft 42 from continuing to rotate.

[0032] During the process of the rotating shaft 42 driving the moving frame 2 to move downward, when the protrusion 22 moves to the lower end of the groove 43, the bristles 3 retract into the brush handle 1, and the blocking part 11 blocks the sleeve arm 21 from below to prevent the sleeve arm 21 from continuing to move downward. The protrusion 22 is located in the groove 43 and cooperates with the groove wall of the groove 43 to restrict the rotating shaft 42 from continuing to rotate.

[0033] Preferably, the brush handle 1 is provided with a straight groove 13, and the movable frame 2 is provided with an outwardly protruding rib 23. The rib 23 cooperates with the straight groove 13 to allow the movable frame 2 to slide up and down within the brush handle 1, resulting in a simple structure.

[0034] Preferably, the lower end of the brush handle 1 is provided with a stepped shaft 14 with a reduced outer diameter, and the knob 5 is sleeved on the outside of the stepped shaft 14 and rotatably connected to the stepped shaft 14, thereby improving the strength of the knob 5 installation and improving the stability of the knob 5 rotation.

[0035] Preferably, a decorative ring 6 is fixed on the brush handle 1. The decorative ring 6 is located above the knob 5 and prevents the knob 5 from moving upward. The blocking part 11 cooperates with the knob 5 to prevent the rotating frame 4 from moving upward and downward.

[0036] Preferably, the brush handle 1 is cylindrical, and the outer surfaces of the knob 5 and decorative ring 6 are circular. The brush handle 1, decorative ring 6 and knob 5 are coaxially arranged and have the same or substantially the same outer diameter, resulting in a compact structure. Furthermore, the lower end face of the knob 5 is provided with a downward protruding support part 51 that can support the brush upright, so that the brush can be placed upright on the table, which is beneficial to the cleanliness of the table.

[0037] Preferably, the support part 51 is a convex ring disposed on the outer edge of the lower end face of the knob 5, which has a simple structure.

[0038] Preferably, the upper end of the movable frame 2 is provided with a downwardly recessed mounting groove 24, and the lower end of the brush bristles 3 is provided with a fixing ring 7 for binding and fixing the brush bristles 3. The fixing ring 7 can be detachably installed in the mounting groove 24 to facilitate the replacement of the brush bristles 3.

Claims

1. A brush, characterized in that: The brush includes a hollow brush handle (1), a movable frame (2) that can move up and down is slidably connected inside the brush handle (1), bristles (3) are installed on the upper end of the movable frame (2), a rotating frame (4) that can rotate inside the brush handle (1) is rotatably connected below the movable frame (2), the brush handle (1) is provided with a blocking part (11) that prevents the rotating frame (4) from moving downward, the blocking part (11) is provided with a through hole (12), the rotating frame (4) is provided with an extension shaft (41) that passes through the through hole (12) and extends below the blocking part (11), the brush handle (1) is provided with a knob (5) that is connected to the extension shaft (41) and can drive the rotating frame (4) to rotate, the rotating frame (4) is provided with a rotating shaft (42), and the movable frame (2) is provided with a sleeve arm (21). The rotating shaft (42) is located inside the sleeve arm (21) and can rotate and move up and down relative to the sleeve arm (21). The rotating shaft (42) has a groove (43) that is inclined from top to bottom along its outer surface. The sleeve arm (21) has a protrusion (22) that protrudes inward in the groove (43). The protrusion (22) cooperates with the groove (43) and moves along the groove (43) when the rotating shaft (42) rotates, thereby driving the moving frame (2) to slide up or down in the brush handle (1). When the protrusion (22) is located at the lower end of the groove (43), the moving frame (2) and the bristles (3) are located in the brush handle (1). When the rotating shaft (42) rotates and the protrusion (22) moves to the upper end of the groove (43), the moving frame (2) with the bristles (3) extends upward above the brush handle (1).

2. The brush according to claim 1, characterized in that: The sleeve arm (21) and the corresponding protrusion (22) are two in number and arranged opposite to each other. Correspondingly, there are two grooves (43) on the outer side of the rotating shaft (42).

3. A brush according to claim 1, characterized in that: The upper end of the groove (43) is a closed end.

4. A brush according to claim 3, characterized in that: When the protrusion (22) moves to the lower end of the groove (43), the blocking part (11) blocks the sleeve arm (21) from below, preventing the sleeve arm (21) from continuing to move downward.

5. A brush according to claim 1, characterized in that: The brush handle (1) is provided with a straight groove (13), and the movable frame (2) is provided with an outwardly protruding rib (23). The rib (23) cooperates with the straight groove (13) to make the movable frame (2) slide up and down in the brush handle (1).

6. A brush according to claim 1, characterized in that: The upper end of the movable frame (2) is provided with a downwardly recessed mounting groove (24), and the lower end of the brush bristles (3) is provided with a fixing ring (7) to bind and fix the brush bristles (3). The fixing ring (7) can be detachably installed in the mounting groove (24).

7. A brush according to any one of claims 1 to 6, characterized in that: The brush handle (1) has a stepped shaft (14) with a reduced outer diameter at its lower end. The knob (5) is fitted on the outside of the stepped shaft (14) and is rotatably connected to the stepped shaft (14).

8. A brush according to claim 7, characterized in that: A decorative ring (6) is fixed on the brush handle (1). The decorative ring (6) is located above the knob (5) and prevents the knob (5) from moving upward.

9. A brush according to claim 8, characterized in that: The brush handle (1) is cylindrical, and the outer surfaces of the knob (5) and decorative ring (6) are circular. The brush handle (1), decorative ring (6) and knob (5) are coaxially arranged and have the same or basically the same outer diameter.

10. A brush according to claim 9, characterized in that: The lower end face of the knob (5) is provided with a downward protruding support (51) that can hold the brush upright.

Images