Long narrow brush

Abstract

The utility model relates to cleaning appliance technical field and disclose a long narrow brush, including inner bone pole, the outer silica gel structure of wrapping inner bone pole, the outer silica gel structure includes handle and sets up the brush head at the lower end of handle, the brush head includes the silica gel core shaft of linear extension and sets up the silica gel brush on the outer circumferential surface of silica gel core shaft, the inner bone pole from top to bottom stretches into the upper portion and the middle part of silica gel core shaft, the brush head can be elastically bent. The long narrow brush provided by the utility model through the unique inner bone pole and outer silica gel structure design, make full use of the characteristic that silica gel brush head can be elastically bent under the extrusion of bottle bottom, let brush head side and end head clean the bottle bottom and bottle body arc inner wall respectively, greatly expand the cleaning coverage, almost eliminate the cleaning dead angle, this multi-angle adhesion container inner wall cleaning mode, ensure that silica gel brush 32 and dirt contact fully, effectively avoid dirt residue, significantly improve the cleaning effect.

Description

Technical Field

[0001] This utility model relates to the field of cleaning tools, and in particular to a long and narrow brush. Background Technology

[0002] Flat-bottomed flasks with narrow necks and wide, curved bodies, and large internal depth, present challenges for cleaning. Traditional brushes, with their rigid brush heads and limited movement due to the narrow neck, result in limited cleaning coverage, creating large cleaning dead zones. Furthermore, they cannot adapt to the curved surface of the flask, meaning brush bristles can only partially contact the inner walls, leaving dirt residue. Therefore, there is an urgent need to develop a brush that can flexibly clean these types of containers. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a long and narrow brush for cleaning containers with narrow necks and large bellies.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A long, narrow brush includes an inner core rod and an outer silicone structure that wraps around the inner core rod. The outer silicone structure includes a handle and a brush head disposed at the lower end of the handle. The brush head includes a linearly extending silicone core and silicone bristles disposed on the outer circumferential surface of the silicone core. The inner core rod extends from top to bottom into the upper and middle parts of the silicone core. The brush head is elastically bendable.

[0006] As a further improvement to the above technical solution, the silicone bristles on the silicone mandrel are arranged in layers from top to bottom with spacing, and the length of the silicone bristles decreases layer by layer from top to bottom.

[0007] As a further improvement to the above technical solution, the silicone bristles on the silicone mandrel are arranged in layers from top to bottom with intervals. The length of the silicone bristles on the upper half of the silicone mandrel decreases layer by layer from top to bottom, while the length of the silicone bristles on the lower half of the silicone mandrel is the same.

[0008] As a further improvement to the above technical solution, each layer of silicone bristles is arranged in a circumferential array around the silicone core shaft.

[0009] As a further improvement to the above technical solution, under vertical projection, the silicone bristles of adjacent layers are arranged in an alternating pattern.

[0010] As a further improvement to the above technical solution, silicone bristles are provided on the bottom end surface of the silicone mandrel.

[0011] As a further improvement to the above technical solution, the length of the brush head is greater than 130mm.

[0012] As a further improvement to the above technical solution, the handle is a straight rod structure, and the length of the handle is greater than the length of the brush head.

[0013] The beneficial effects of this utility model are as follows: Compared with the prior art, the long and narrow brush provided by this utility model, through its unique inner bone rod and outer silicone structure design, makes full use of the elastic bending characteristics of the silicone brush head under the pressure of the bottle bottom, allowing the sides and ends of the brush head to clean the bottom and the inner wall of the curved surface of the bottle body respectively, greatly expanding the cleaning coverage and almost eliminating cleaning dead corners; this multi-angle contact with the inner wall of the container ensures that the silicone bristles 32 are in full contact with the dirt, effectively avoiding dirt residue and significantly improving the cleaning effect. Attached Figure Description

[0014] Figure 1 This is a cross-sectional view of a long, narrow brush.

[0015] Figure 2 This is a 3D image of a long, narrow brush.

[0016] Figure 3 This is a diagram illustrating the use of a long, narrow brush head for cleaning containers.

[0017] Explanation of main component symbols: 1-Inner bone rod, 2-Handle, 21-Hanging hole, 3-Brush head, 31-Silicone spindle, 32-Silicone bristles, 4-Container. Detailed Implementation

[0018] This utility model provides a long and narrow brush. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit the scope of protection of this utility model.

[0019] Please see Figures 1 to 3 This utility model provides a long and narrow brush, including an inner bone rod 1 and an outer silicone structure that wraps around the inner bone rod 1. The outer silicone structure includes a handle 2 and a brush head 3 disposed at the lower end of the handle 2. The brush head 3 includes a straight silicone core 31 and silicone bristles 32 disposed on the outer circumferential surface of the silicone core 31. The inner bone rod 1 extends from top to bottom into the upper and middle parts of the silicone core 31. The brush head 3 can be flexibly bent.

[0020] In use, the long, narrow brush head 3 is inserted into a narrow-necked, wide-bellied container 4. The user operates the brush by applying force through the handle 2, pressing the brush head 3 towards the bottom of the bottle. Because the inner support rod 1 is only located in the upper and middle parts of the silicone core shaft 31, and the lower part of the brush head 3 lacks rigid support from the inner support rod 1, it elastically bends under pressure. After bending, the side of the brush head 3 can fit tightly against the bottom of the bottle, cleaning the bottom of the bottle through back-and-forth brushing. At the same time, the end of the brush head 3 extends towards the curved inner wall of the bottle, allowing the silicone bristles 32 to make large-area contact with the curved surface. With the swinging and friction of the brush head 3, dirt on the curved surface is effectively removed, achieving comprehensive cleaning of all parts inside the container 4.

[0021] Compared to traditional brushes, the long and narrow brush provided by this utility model, through its unique inner bone rod 1 and outer silicone structure design, makes full use of the elastic bending property of the silicone brush head 3 under the pressure of the bottle bottom, allowing the sides and ends of the brush head 3 to clean the bottom and the inner curved surface of the bottle body respectively, greatly expanding the cleaning coverage and almost eliminating cleaning dead corners; this multi-angle contact with the inner wall of the container 4 ensures that the silicone bristles 32 are in full contact with the dirt, effectively avoiding dirt residue and significantly improving the cleaning effect.

[0022] Of course, to enable the entire brush head 3 to achieve a wide range of flexible bending and increase cleaning flexibility, the inner core rod 1 has a round rod structure, specifically made of materials such as nickel-titanium shape memory alloy or high-elasticity spring steel. During the elastic bending process of the entire brush head 3, it maintains good elasticity, and after the external force is removed, it can quickly return to its original shape using its own elastic potential energy, effectively avoiding plastic deformation caused by long-term frequent bending. Its high strength characteristics also enhance the overall structural stability of the brush head 3 to a certain extent, preventing damage to the brush head 3 due to excessive bending. Of course, brush heads made of silicone also have good dynamic bending performance and shape memory recovery characteristics, and are antibacterial and easy to clean.

[0023] In one embodiment, the silicone bristles 32 on the silicone core 31 are arranged in layers with spacing from top to bottom, and the length of the silicone bristles 32 decreases layer by layer from top to bottom. First, the layered spacing creates reasonable gaps between the bristles, allowing dirt and water stains to drain more smoothly from the gaps during brushing, preventing dirt from accumulating between the bristles and ensuring that the bristles are always in full contact with the inner wall of the container 4, thereby improving cleaning efficiency. At the same time, this spacing design reduces the tangling of the bristles, lowers the probability of bristle deformation and damage, and extends the service life of the brush.

[0024] When brush head 3 is inserted into container 4, the longer bristles on top effectively clean the transition area between the bottle neck and the bottle body; the shorter bristles on the bottom are better suited for cleaning narrow areas such as the bottom of the bottle. The shorter bristles reduce obstruction in confined spaces, allowing them to closely adhere to the bottle's bottom surface and enhance the cleaning ability against stubborn stains. This layered, decreasing bristle design allows brush head 3 to smoothly adapt to the complex curves of the container 4's inner wall, further improving cleaning convenience and effectiveness.

[0025] In another embodiment, the silicone bristles 32 on the silicone core 31 are arranged in layers from top to bottom with spacing. The length of the silicone bristles 32 on the upper half of the silicone core 31 decreases layer by layer from top to bottom, while the length of the silicone bristles 32 on the lower half of the silicone core 31 is the same. In terms of cleaning effect, the bristles with decreasing length in the upper half can fully conform to the transition area between the bottle neck and the bottle body. The longer upper bristles can effectively reach the higher parts of the bottle body, and as the bristle length decreases layer by layer, it can better conform to the inward curvature of the bottle body, achieving comprehensive cleaning of the inner wall of the bottle body from high to low, ensuring large-area coverage while reducing cleaning dead spots. The bristles of the same length in the lower half of the silicone core 31 are specifically designed for the bottom area of ​​the bottle. The bristles of the same length can make close and even contact with the bottom of the bottle, forming a stable cleaning force during brushing, avoiding uneven cleaning force caused by uneven bristle length, effectively enhancing the removal effect of stubborn stains on the bottom of the bottle, and preventing the formation of cleaning dead spots.

[0026] Furthermore, each layer of silicone bristles 32 is arranged in a circumferential array around the silicone core 31, forming a neat and orderly structure. This layout reduces the possibility of dirt accumulation at the source. The regular circumferential array ensures that the gaps between the bristles are of uniform size and regularly distributed. During the cleaning process of the container 4, dirt and water stains can quickly slide off and be discharged along these neat gaps, making it difficult for them to remain between the bristles. When the long and narrow brush performs cleaning actions, the water flow scouring force and the mechanical force of the bristles are in the same direction, allowing the dirt to be smoothly discharged through the regular gaps, avoiding dirt getting stuck or tangled between the bristles due to irregular gaps. In addition, after cleaning, because the bristles are neatly arranged, the user only needs to rinse them. The water flow can evenly and quickly flow through every gap between the bristles to thoroughly remove residual dirt, keep the bristles clean, prevent dirt from accumulating and breeding bacteria over a long period of time, and extend the service life of the long and narrow brush.

[0027] In vertical projection, the staggered arrangement of adjacent layers of silicone bristles 32 further enhances the cleaning performance and structural advantages of the long, narrow brush, forming a denser cleaning network. When the brush head 3 delves into the container 4 for cleaning, the staggered bristles of different layers can cover a larger cleaning area, reducing blind spots. Areas cleaned by the upper layer of bristles can be covered and brushed again by the staggered bristles of the lower layer, performing a secondary cleaning of residual dirt and significantly improving the thoroughness of cleaning.

[0028] When the brush head 3 is bent, the silicone core shaft 31 will bend from its original vertical state to a horizontal state facing the curved surface of the bottle. For this reason, silicone bristles 32 are provided on the bottom surface of the silicone core shaft 31, which work together with the circumferential bristles to improve cleaning ability.

[0029] In this embodiment, the length of the brush head 3 is greater than 130mm, which provides a unique advantage for cleaning containers 4 with large internal depth. When the brush head 3 is inserted into the container 4 and bent, the longer brush head 3 can extend to all corners inside the container 4 based on its length, significantly expanding the cleaning coverage area.

[0030] Furthermore, the handle 2 has a straight rod structure, conforming to ergonomic grip habits, allowing users to apply force and adjust the angle more stably when manipulating the brush head 3. The length of the handle 2 is greater than the length of the brush head 3. Because the handle 2 is longer than the brush head 3, when cleaning containers 4 with large internal depths, the user's hand does not need to penetrate deep into the container 4; they can maintain a comfortable grip position outside the bottle opening and easily control the bending and cleaning action of the brush head 3 by transmitting force through the handle 2.

[0031] Preferably, the top of the handle 2 is provided with a hanging hole 21. The hanging hole 21 is designed to make it easy for users to hang the handle 2 on wall hooks, storage shelves, etc., which helps with the storage and drying of long and narrow brushes.

[0032] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows for communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. A long, narrow brush, characterized in that, The device includes an inner core rod and an outer silicone structure that wraps around the inner core rod. The outer silicone structure includes a handle and a brush head located at the lower end of the handle. The brush head includes a straight silicone core shaft and silicone bristles located on the outer circumferential surface of the silicone core shaft. The inner core rod extends from top to bottom into the upper and middle parts of the silicone core shaft. The brush head is flexible and can be bent.

2. The long and narrow brush according to claim 1, characterized in that, The silicone bristles on the silicone mandrel are arranged in layers from top to bottom with spacing, and the length of the silicone bristles decreases layer by layer from top to bottom.

3. The long, narrow brush according to claim 1, characterized in that, The silicone bristles on the silicone mandrel are arranged in layers from top to bottom with intervals. The length of the silicone bristles on the upper half of the silicone mandrel decreases layer by layer from top to bottom, while the length of the silicone bristles on the lower half of the silicone mandrel is the same.

4. The long, narrow brush according to claim 2 or 3, characterized in that, Each layer of silicone bristles is arranged in a circular array around the silicone core.

5. The long, narrow brush according to claim 4, characterized in that, In vertical projection, the silicone bristles of adjacent layers are arranged in an alternating pattern.

6. The long, narrow brush according to claim 5, characterized in that, The bottom surface of the silicone mandrel is provided with silicone bristles.

7. The long, narrow brush according to claim 1, characterized in that, The length of the brush head is greater than 130mm.

8. The long, narrow brush according to claim 7, characterized in that, The handle has a straight rod structure, and the length of the handle is greater than the length of the brush head.

9. The long and narrow brush according to claim 1, characterized in that, The handle has a hanging hole at the top.

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