Pen brush

Abstract

The utility model discloses a pen brush which comprises a pen holder, a thick brush head and a thin brush head, the thick brush head comprises a first brush hair part and a first brush rod part, the first brush rod part is connected with one end of the pen holder, the thin brush head comprises a second brush hair part and a second brush rod part, the second brush rod part is rotatably connected with the first brush rod part, and the thin brush head is connected with the second brush rod part. The second brush rod portion enables the second bristle portion to be attached to or separated from the first bristle portion through rotation, a limiting piece matched with the second brush rod portion is arranged between the pen holder and the first brush rod portion, and the limiting piece is matched with the second brush rod portion to limit rotation of the second brush rod portion. The pen brush is provided with the rotatable thin brush head, and the thin brush head can be separated from the thick brush head through rotation to be independently used, so that the pen brush is adjustable in size, reliable in structure and easy and labor-saving to use.

Description

Technical Field

[0001] The utility model relates to the technical field of art supplies, more specifically to a brush. Background Art

[0002] A brush is a smearing tool with a handle and bristles, and is mostly used in the field of fine art painting. However, the existing brush heads have a fixed thickness, and when used for painting, the brush size is too large or too small, and the brush stroke width cannot be adjusted, which causes many inconveniences in actual use. Therefore, the utility model with the publication number of CN219270382U discloses a magnetic combined portable brush, including a small brush and a medium brush, which can be detachably spliced ​​into a large brush, and the sides of the small brush and the medium brush are adsorbed by magnets; the magnet on the side of the small brush is convex, and the side of the medium brush is a groove, in which a magnet is embedded, and the convex magnet can be embedded in the groove and attracted to the magnet in the groove. The front ends of the small brush and the medium brush are fixed with bristles by bolts. In this technical solution, the small brush and the medium brush can be spliced ​​into a large brush by magnets, so that the brushstroke width is adjustable. However, the magnetic fixing method is easy to separate from each other, and the fixation is not reliable. When the user applies force to the large brush during painting, the small brush and the medium brush are easily separated, which affects the painting effect and the user experience. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a brush, which is provided with a rotatable thin brush head, and the thin brush head can be separated from the thick brush head by rotation and used independently, so that the brush size is adjustable, the structure is reliable, and the use is simple and labor-saving.

[0004] The utility model provides a brush, comprising a pen shaft, and also comprising a coarse brush head and a fine brush head, the coarse brush head comprising a first bristle portion and a first brush shaft portion, the first brush shaft portion being connected to one end of the pen shaft, the fine brush head comprising a second bristle portion and a second brush shaft portion, the second brush shaft portion being rotatably connected to the first brush shaft portion, the second brush shaft portion being rotated so that the second bristle portion is fitted with or separated from the first bristle portion, a limiting piece adapted to the second brush shaft portion is arranged between the pen shaft and the first brush shaft portion, the limiting piece cooperates with the second brush shaft portion to limit the rotation of the second brush shaft portion, so that the second bristle portion remains fitted with or separated from the first bristle portion.

[0005] In the technical solution, a brush is provided including a pen holder, a coarse brush head and a fine brush head. A first brush holder portion of the coarse brush head is rotatably connected to a second brush holder portion of the fine brush head. The coarse brush head and the fine brush head are fitted or separated by rotation, so that the second brush bristle portion and the first brush bristle portion can fit together or separate from each other. The first brush bristle portion and the second brush bristle portion are fitted by rotation so that the coarse brush head and the fine brush head form a large brush head. The first brush bristle portion and the second brush bristle portion are separated by rotation so that the coarse brush head and the fine brush head can be used independently. The size of the brush is adjustable, and users can use the fine brush head to depict details to meet more usage requirements. A limiter is provided between the pen holder and the first brush holder portion. The user applies force to the limiting member to make the limiting member engage or disengage with the second brush rod portion, and limits the rotation of the second brush rod portion by engaging the limiting member with the second brush rod portion, and releases the rotation restriction of the second brush rod portion by disengaging the limiting member from the second brush rod portion. When the second brush rod portion rotates to the point where the second brush bristle portion is in contact with the first brush bristle portion, the second brush rod portion engages with the limiting member to limit rotation so that the second brush bristle portion remains in contact with the first brush bristle portion. When the second brush rod portion rotates to the point where the second brush bristle portion is disengaged from the first brush bristle portion, the second brush rod portion engages with the limiting member to limit rotation so that the second brush bristle portion remains disengaged from the first brush bristle portion, making it more labor-saving and reliable to use.

[0006] As an improvement, the limit member is a sleeve structure with a hollow interior. The limit member is sleeved at the junction of the pen shaft and the first brush rod portion. The limit member can move telescopically relative to the pen shaft. The limit member can cooperate with or disengage from the second brush rod portion through telescopic movement. The limit member cooperates with the second brush rod portion to limit the rotation of the second brush rod portion. The limit member disengages from the second brush rod portion to release the rotation limit of the second brush rod portion. In the present technical solution, the limit member is provided with a sleeve structure, so that the limit member can be mounted on the joint of the pen shaft and the first brush rod part. The mounting structure is simple and reliable. The limit member is arranged on the pen shaft and can be retracted. The user applies force to the limit member to make the limit member extend relative to the pen shaft. The extension refers to the movement of the limit member toward the second brush rod part. The limit member is connected with the second brush rod part by extending, so that the second brush rod part is rotationally limited. The user applies force to the limit member to make the limit member retract relative to the pen shaft. The retraction refers to the movement of the limit member toward the side away from the second brush rod part. The limit member is disengaged from the second brush rod part by retracting, so that the second brush rod part is released from the rotation limit. The limit member has a simple structure, and the operation is labor-saving and reliable.

[0007] As an improvement, a mounting sleeve adapted to the limiter is provided at the joint of the pen shaft and the first brush shaft, the mounting sleeve is provided with an external thread, the inner wall of the limiter is provided with an internal thread adapted to the external thread, and the limiter is retractable relative to the pen shaft through the internal thread and the external thread. In this technical solution, the limiter is sleeved at the joint of the pen shaft and the first brush shaft, and the mounting sleeve is provided at the joint of the pen shaft and the first brush shaft, and the limiter is installed through the mounting sleeve, so that the installation of the limiter is simpler and more reliable. The mounting sleeve and the limiter are matched through internal and external threads, and the user can make the limiter retractable on the pen shaft by rotating the limiter, which has a simple structure and saves labor.

[0008] As an improvement, a smooth section is provided on the side of the inner wall of the limiter close to the second brush rod portion, and the internal thread is provided on the side of the inner wall of the limiter away from the second brush rod portion, and the limiter cooperates with the second brush rod portion through the smooth section. In this technical solution, the limiter cooperates with the second brush rod portion to limit the rotation of the second brush rod portion. When the user needs to use a combination of a coarse brush head and a fine brush head, the user only needs to rotate the limiter to disengage the limiter from the second brush rod portion, and then rotate the second brush rod portion to make the second bristle portion fit with the first bristle portion. The user rotates the limiter in the opposite direction to make the limiter extend and engage with the second brush rod portion. At this time, the end of the second brush rod portion away from the second bristle portion abuts against the outer wall of the limiter, so that the second brush rod portion cannot continue to rotate inward, that is, the second bristle portion fits in place. At this time, the user can use a large brush head. When the user needs to use a fine brush head, the user It is only necessary to rotate the limit piece to disengage the limit piece from the second brush rod portion, and then rotate the second brush rod portion to separate the second brush bristle portion from the first brush bristle portion. The user can rotate the limit piece in the opposite direction to extend the limit piece and engage with the second brush rod portion. At this time, the end of the second brush rod portion away from the second brush bristle portion abuts against the inner wall of the limit piece, so that the second brush rod portion cannot continue to rotate outward, that is, the second brush bristle portion is separated from the second brush bristle portion in place. At this time, the user can use the fine-bristle brush alone. By setting a smooth section on the side of the inner wall of the limit piece close to the second brush rod portion, the limit piece cooperates with the end of the second brush bristle portion through the smooth section to prevent the second brush bristle portion from being worn and extend the service life of the component.

[0009] As an improvement, an abutment portion is provided at the end of the second brush rod portion near the limiter, and the abutment portion is subjected to force to drive the second brush rod portion to rotate. The second brush rod portion abuts and cooperates with the limiter through the abutment portion. When the abutment portion rotates to abut against the outer wall of the limiter, the second bristle portion remains in contact with the first bristle portion, and when the abutment portion rotates to abut against the inner wall of the limiter, the second bristle portion remains separated from the first bristle portion. In this technical solution, one end of the second brush rod portion is engaged with the first bristle portion, and an abutment portion is provided at the other end of the second brush rod portion. The abutment portion is an operating position for the user to rotate the second brush rod portion. The user can drive the second brush rod portion to rotate by applying force to the abutment portion, which is more convenient to operate. The second brush rod portion cooperates with the limiter through the abutment portion, and the second bristle portion remains in contact with the first bristle portion through the abutment portion abutting against the outer wall of the limiter, and the second bristle portion remains separated from the first bristle portion through the abutment portion abutting against the inner wall of the limiter. The structure is simple, and it is convenient and labor-saving to use.

[0010] As an improvement, a mounting ring adapted to the second brush rod is provided on the first brush rod, and the second brush rod is rotatably mounted on the mounting ring. In this technical solution, by providing a mounting ring on the first brush rod, the first brush rod is rotatably mounted on the second brush rod through the mounting ring, and the coarse brush head and the fine brush head are assembled on the same side through the mounting ring, so that the assembly is simpler and more reliable, and the mounting ring is small in size, which has little effect on the overall structural size of the brush, and is easy to carry.

[0011] As an improvement, a rotating shaft is provided between the second brush rod and the mounting ring, and the second brush rod is rotatably mounted on the mounting ring via the rotating shaft. In this technical solution, a rotating shaft is provided between the second brush rod and the mounting ring, and the second brush rod and the mounting ring are rotatably connected via the rotating shaft, so the rotating shaft has a simple structure and high rotation efficiency.

[0012] As an improvement, the mounting ring is provided with a first recess adapted to the second brush rod portion. When the second brush rod portion rotates until the second bristle portion is separated from the first bristle portion, the second brush rod portion abuts against the first recess to limit the rotation. In this technical solution, the second brush rod portion is rotatably mounted in the mounting ring through a rotating shaft. When the second bristle portion is fitted with the first bristle portion, the second brush rod portion is relatively parallel to the first brush rod portion, and there is a gap between the second brush rod portion and the inner wall of the mounting ring. When the second bristle portion is separated from the first bristle portion, the second brush rod portion is tilted relative to the first brush rod portion, and the second brush rod portion collides with the inner wall of the mounting ring. By providing the first recess adapted to the second brush rod portion on the mounting ring, the second brush rod portion is accommodated in the first recess, which can protect the mounting ring and the second brush rod portion, and the first recess has a positioning effect on the second brush rod portion. The first recess can prevent the second brush rod portion from shaking, making it more stable and reliable for users to use the fine brush head alone.

[0013] As an improvement, a second recess is provided on the side of the first brush rod portion close to the first bristle portion, and the second recess is adapted to the second brush rod portion. When the second brush rod portion rotates until the second bristle portion fits with the first bristle portion, the second brush rod portion abuts against the second recess to limit the rotation. In this technical solution, when the second bristle portion fits with the first bristle portion, the second brush rod portion is relatively parallel to the first brush rod portion, and the end of the second brush rod portion close to the second bristle portion will collide with the end of the first brush rod portion close to the first bristle portion. By providing a second recess on the side of the first brush rod portion close to the first bristle portion, the end of the second brush rod portion close to the second bristle portion is accommodated in the second recess, which can protect the first brush rod portion and the second brush rod portion, and the first recess has a positioning effect on the second brush rod portion, and the second recess can prevent the second brush rod portion from shaking, so that the user can use the combination of the fine brush head and the coarse brush head more stably and reliably.

[0014] As an improvement, the first bristle part is provided with a third recess adapted to the second bristle part, and the first bristle part is fitted with the second bristle part through the third recess. In this technical solution, by providing the first bristle part with a third recess capable of accommodating the second bristle part, the second bristle part is accommodated in the third recess to fit with the second bristle part, so that there is no gap between the first bristle part and the second bristle part, the first bristle part and the second bristle part fit better, and the user can use the combination of the thin brush head and the thick brush head more reliably. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The present invention is a schematic diagram of the three-dimensional structure of a thick brush head and a thin brush head of a brush when they are attached to each other.

[0016] Figure 2 For this disclosure Figure 1 Schematic diagram of the three-dimensional structure of the pen holder is omitted.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of a brush disclosed herein when a coarse brush head and a thin brush head are separated from each other.

[0018] Figure 4 For this disclosure Figure 3 Schematic diagram of the three-dimensional structure of the pen holder is omitted.

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the limiting member in the present disclosure.

[0020] Figure 6 It is a schematic diagram of the three-dimensional structure of the mounting ring in the present disclosure.

[0021] Figure 7 It is a schematic diagram of the three-dimensional structure of the pen holder, the thick brush head and the mounting sleeve in the present invention.

[0022] As shown in the figure: 1. Pen holder; 2. Coarse brush head; 21. First bristle part; 211. Third recess; 22. First brush rod part; 221. Second recess; 23. Mounting ring; 231. Rotating shaft; 232. First recess; 3. Fine brush head; 31. Second bristle part; 32. Second brush rod part; 321. Abutment part; 4. Limiting piece; 41. Internal thread; 42. Smooth section; 5. Mounting sleeve; 51. External thread. DETAILED DESCRIPTION

[0023] In order to better understand the present application, a more detailed description of various aspects of the present application will be made with reference to the accompanying drawings. It should be understood that these detailed descriptions are only descriptions of exemplary embodiments of the present application, and do not limit the scope of the present application in any way. Throughout the specification, the same figure numerals refer to the same elements.

[0024] In the drawings, the thickness, size and shape of objects have been slightly exaggerated for ease of explanation. The drawings are only examples and are not drawn strictly to scale.

[0025] It should also be understood that the terms “comprises,” “including,” “has,” “contains,” and “comprising,” when used in this specification, indicate the presence of the described features, integers, steps, operations, elements, and / or parts, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, and / or combinations thereof.

[0026] like Figures 1 to 7 As shown, the present application discloses a brush, including a pen holder 1, a coarse brush head 2 and a fine brush head 3, the coarse brush head 2 includes a first bristle portion 21 and a first brush rod portion 22, the first brush rod portion 22 is connected to one end of the pen holder 1, the coarse brush head 2 is installed on the pen holder 1 through the first brush rod portion 22, the fine brush head 3 includes a second bristle portion 31 and a second brush rod portion 32, the second brush rod portion 32 is rotatably connected to the first brush rod portion 22, the second brush rod portion 32 is rotated to make the second bristle portion 31 fit or separate from the first bristle portion 21, and the first brush rod portion 22 of the coarse brush head 2 is provided. The second brush rod part 32 of the coarse brush head 22 is rotatably connected with the fine brush head 3, and the coarse brush head 2 and the fine brush head 3 are fitted or separated by rotation, so that the second bristle part 31 and the first bristle part 21 can fit together or separate, and the first bristle part 21 and the second bristle part 31 are fitted together by rotation so that the coarse brush head 2 and the fine brush head 3 form a large brush head, and the first bristle part 21 and the second bristle part 31 are separated by rotation so that the coarse brush head 2 and the fine brush head 3 can be used independently, so that the brush size can be adjusted, and the user can use the fine brush head 3 to depict details to meet more usage needs;

[0027] like Figures 1 to 4As shown, a limiting member 4 adapted to the second brush rod portion 32 is provided between the pen shaft 1 and the first brush rod portion 22, and the limiting member 4 cooperates with the second brush rod portion 32 to limit the rotation of the second brush rod portion 32, so that the second brush bristle portion 31 remains in contact with or separated from the first brush bristle portion 21. A limiting member 4 is provided between the pen shaft 1 and the first brush rod portion 22, and a user applies force to the limiting member 4 to make the limiting member 4 engage or disengage with the second brush rod portion 32, and the limiting member 4 is engaged with the second brush rod portion 32 to limit the rotation of the second brush rod portion 32, and the limiting member 4 is disengaged from the second brush rod portion 32 to release the rotation restriction of the second brush rod portion 32. When the second brush rod portion 32 rotates until the second brush bristle portion 31 is in contact with the first brush bristle portion 21, as shown in FIG. Figure 2 As shown, the second brush rod 32 is engaged with the limiting member 4 to rotate and limit, so that the second bristle portion 31 remains in contact with the first bristle portion 21. When the second brush rod 32 rotates until the second bristle portion 31 is separated from the first bristle portion 21, as shown in FIG. Figure 4 As shown, the second brush rod portion 32 is engaged with the limiting member 4 to be rotationally limited, so that the second bristle portion 31 remains separated from the first bristle portion 21, making it more labor-saving and reliable to use.

[0028] More specifically, Figures 1 to 5 As shown, the limiting member 4 is a sleeve structure with a hollow interior. The limiting member 4 is sleeved at the joint of the pen barrel 1 and the first brush rod portion 22. The limiting member 4 can be telescopically moved relative to the pen barrel 1. The limiting member 4 can cooperate with or disengage from the second brush rod portion 32 through telescopic movement. The limiting member 4 cooperates with the second brush rod portion 32 to limit the rotation of the second brush rod portion 32. The limiting member 4 is disengaged from the second brush rod portion 32 to release the rotation limit of the second brush rod portion 32. The limiting member 4 is set as a sleeve structure so that the limiting member 4 can be sleeved at the joint of the pen barrel 1 and the first brush rod portion 22. The sleeve structure is simple and reliable. The limiting member 4 is set on the pen The rod 1 is retractable, and the user applies force to the limit member 4 to make the limit member 4 extend relative to the pen body 1. The extension refers to the movement of the limit member 4 toward the second brush rod portion 32. The limit member 4 is connected to the second brush rod portion 32 by extending, so that the second brush rod portion 32 is rotationally limited. The user applies force to the limit member 4 to make the limit member 4 retract relative to the pen body 1. The retraction refers to the movement of the limit member 4 toward the side away from the second brush rod portion 32. The limit member 4 is disengaged from the second brush rod portion 32 by retracting, so that the second brush rod portion 32 is released from the rotation limit. The limit member 4 has a simple structure and is labor-saving and reliable to operate.

[0029] More specifically, Figure 5 and Figure 7As shown, a mounting sleeve 5 matched with the limit member 4 is provided at the joint of the pen shaft 1 and the first brush shaft portion 22, the mounting sleeve 5 is provided with an external thread 51, and an inner wall of the limit member 4 is provided with an internal thread 41 matched with the external thread 51, and the limit member 4 cooperates with the external thread 51 through the internal thread 41 so as to be retractable relative to the pen shaft 1, and the limit member 4 is sleeved on the joint of the pen shaft 1 and the first brush shaft portion 22, and the mounting sleeve 5 is provided at the joint of the pen shaft 1 and the first brush shaft portion 22, and the limit member 4 is installed through the mounting sleeve 5, so that the installation of the limit member 4 is simpler and more reliable, and the mounting sleeve 5 cooperates with the limit member 4 through the internal and external threads 51, and the user can make the limit member 4 retractable on the pen shaft 1 by rotating the limit member 4, which has a simple structure and saves labor.

[0030] More specifically, the limiting member 4 cooperates with the second brush rod portion 32 to limit the rotation of the second brush rod portion 32. When the user needs to use the combination of the coarse brush head 2 and the fine brush head 3, the user only needs to rotate the limiting member 4 to disengage the limiting member 4 from the second brush rod portion 32, and then rotate the second brush rod portion 32 to make the second brush bristle portion 31 fit with the first brush bristle portion 21. The user rotates the limiting member 4 in the opposite direction to make the limiting member 4 extend and engage with the second brush rod portion 32. At this time, the end of the second brush rod portion 32 away from the second brush bristle portion 31 abuts against the outer wall of the limiting member 4, so that the second brush rod portion 32 cannot continue to rotate inward, that is, the second brush bristle portion 31 fits in place, and the user can use a large brush head at this time.

[0031] When the user needs to use the fine brush head 3, the user only needs to rotate the limiting member 4 to disengage the limiting member 4 from the second brush rod portion 32, and then rotate the second brush rod portion 32 to separate the second brush bristle portion 31 from the first brush bristle portion 21. The user rotates the limiting member 4 in the opposite direction to extend the limiting member 4 and engage with the second brush rod portion 32. At this time, the end of the second brush rod portion 32 away from the second brush bristle portion 31 abuts against the inner wall of the limiting member 4, so that the second brush rod portion 32 cannot continue to rotate outward, that is, the second brush bristle portion 31 is separated from the second brush bristle portion 31 in place, and the user can use the fine brush alone at this time.

[0032] like Figure 5 As shown, a smooth section 42 is provided on the side of the inner wall of the limiting member 4 close to the second brush rod portion 32, and an internal thread 41 is provided on the side of the inner wall of the limiting member 4 away from the second brush rod portion 32. The limiting member 4 cooperates with the second brush rod portion 32 through the smooth section 42. By providing a smooth section 42 on the side of the inner wall of the limiting member 4 close to the second brush rod portion 32, the limiting member 4 cooperates with the end of the second brush bristle portion 31 through the smooth section 42, thereby preventing the second brush bristle portion 31 from being worn and extending the service life of the component.

[0033] More specifically, Figure 2 and Figure 4As shown, the end of the second brush rod 32 close to the stopper 4 is provided with an abutment portion 321, and the abutment portion 321 is subjected to force to drive the second brush rod 32 to rotate. One end of the second brush rod 32 is engaged with the first bristle portion 21, and the abutment portion 321 is provided at the other end of the second brush rod 32. The abutment portion 321 is an operating position for the user to rotate the second brush rod 32. The user can drive the second brush rod 32 to rotate by applying force to the abutment portion 321, and the operation is more convenient.

[0034] The second brush rod 32 is in contact with the stopper 4 through the contact portion 321, and the second bristle portion 31 is kept in contact with the first bristle portion 21 through the contact portion 321 and the inner wall of the stopper 4, so that the second bristle portion 31 is kept separated from the first bristle portion 21. Figure 2 As shown, when the abutting portion 321 rotates to abut against the outer wall of the limiting member 4, the second bristle portion 31 remains in contact with the first bristle portion 21, as shown in FIG. Figure 4 As shown, when the abutting portion 321 rotates to abut against the inner wall of the limiting member 4, the second bristle portion 31 remains separated from the first bristle portion 21, with a simple structure, convenient and labor-saving use.

[0035] More specifically, Figures 1 to 4 As shown, the first brush rod portion 22 is provided with a mounting ring 23 adapted to the second brush rod portion 32, and the second brush rod portion 32 is rotatably mounted on the mounting ring 23. By providing the mounting ring 23 on the first brush rod portion 22, the first brush rod portion 22 is rotatably mounted on the second brush rod portion 32 through the mounting ring 23, and the coarse brush head 2 and the fine brush head 3 are assembled on the same side through the mounting ring 23, so the assembly is simpler and more reliable, and the mounting ring 23 is small in size, which has little effect on the overall structural size of the brush and is easy to carry.

[0036] More specifically, Figure 6 As shown, a rotating shaft 231 is provided between the second brush rod portion 32 and the mounting ring 23, and the second brush rod portion 32 is rotatably mounted on the mounting ring 23 via the rotating shaft 231. By providing a rotating shaft 231 between the second brush rod portion 32 and the mounting ring 23, the second brush rod portion 32 and the mounting ring 23 are rotatably connected via the rotating shaft 231. The rotating shaft 231 has a simple structure and a high rotation efficiency.

[0037] More specifically, Figure 2 and Figure 4 As shown, the mounting ring 23 is provided with a first recess 232 adapted to the second brush rod 32. When the second brush rod 32 rotates until the second bristle portion 31 is separated from the first bristle portion 21, as shown in FIG. Figure 4 As shown, the second brush rod 32 abuts against the first recess 232 to limit rotation, and the second brush rod 32 is rotatably installed in the installation ring 23 through the rotating shaft 231. When the second bristle part 31 fits with the first bristle part 21, as shown in FIG. Figure 2 As shown, the second brush rod portion 32 is relatively parallel to the first brush rod portion 22, and there is a gap between the second brush rod portion 32 and the inner wall of the mounting ring 23. When the second bristle portion 31 is separated from the first bristle portion 21, as shown in FIG. Figure 4 As shown, the second brush rod portion 32 is inclined relative to the first brush rod portion 22, and the second brush rod portion 32 collides with the inner wall of the mounting ring 23. By providing a first recess 232 adapted to the second brush rod portion 32 on the mounting ring 23, the second brush rod portion 32 is accommodated in the first recess 232, which can protect the mounting ring 23 and the second brush rod portion 32, and the first recess 232 has a positioning effect on the second brush rod portion 32. The first recess 232 can prevent the second brush rod portion 32 from shaking, so that the user can use the fine brush head 3 alone more stably and reliably.

[0038] More specifically, Figure 2 and Figure 4 As shown, a second recess 221 is provided on one side of the first brush rod 22 close to the first bristle part 21, and the second recess 221 is adapted to the second brush rod 32. When the second brush rod 32 rotates until the second bristle part 31 is in contact with the first bristle part 21, as shown in FIG. Figure 2 As shown, the second brush rod 32 abuts against the second recess 221 to limit rotation. When the second bristle portion 31 fits with the first bristle portion 21, the second brush rod 32 is relatively parallel to the first brush rod 22. The end of the second brush rod 32 close to the second bristle portion 31 collides with the end of the first brush rod 22 close to the first bristle portion 21. Figure 4 As shown, by setting the second recess 221 on the side of the first brush rod part 22 close to the first bristle part 21, the end of the second brush rod part 32 close to the second bristle part 31 is accommodated in the second recess 221, which can protect the first brush rod part 22 and the second brush rod part 32, and the first recess 232 has a positioning effect on the second brush rod part 32. The second recess 221 can prevent the second brush rod part 32 from shaking, so that the user can use the combination of the fine brush head 3 and the coarse brush head 2 more stably and reliably.

[0039] More specifically, Figure 2 and Figure 4 As shown, the first bristle portion 21 is provided with a third recess 211 adapted to the second bristle portion 31, and the first bristle portion 21 is fitted with the second bristle portion 31 through the third recess 211. By providing the third recess 211 capable of accommodating the second bristle portion 31 in the first bristle portion 21, the second bristle portion 31 is accommodated in the third recess 211 to fit with the second bristle portion 31, so that there is no gap between the first bristle portion 21 and the second bristle portion 31, the first bristle portion 21 and the second bristle portion 31 are better fitted, and the user can use the combination of the fine brush head 3 and the coarse brush head 2 more reliably.

[0040] The present utility model is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all those having the same or similar technical solutions as the present application fall within the protection scope of the present utility model.

Claims

1. A brush, comprising a pen holder (1), characterized in that: The invention also comprises a coarse brush head (2) and a fine brush head (3), wherein the coarse brush head (2) comprises a first brush bristle portion (21) and a first brush rod portion (22), wherein the first brush rod portion (22) is connected to one end of the pen holder (1), and the fine brush head (3) comprises a second brush bristle portion (31) and a second brush rod portion (32), wherein the second brush rod portion (32) is rotatably connected to the first brush rod portion (22), wherein the second brush rod portion (32) is rotated so that the second brush bristle portion (31) is fitted with or separated from the first brush bristle portion (21), and a limiting member (4) adapted to the second brush rod portion (32) is provided between the pen holder (1) and the first brush rod portion (22), wherein the limiting member (4) cooperates with the second brush rod portion (32) to limit the rotation of the second brush rod portion (32), so that the second brush bristle portion (31) remains fitted with or separated from the first brush bristle portion (21).

2. A brush according to claim 1, characterized in that: The limiting member (4) is a sleeve structure with a hollow interior. The limiting member (4) is sleeved at the junction of the pen shaft (1) and the first brush shaft portion (22). The limiting member (4) can be telescopically moved relative to the pen shaft (1). The limiting member (4) can be engaged with or disengaged from the second brush shaft portion (32) through telescopic movement. The limiting member (4) is engaged with the second brush shaft portion (32) so that the second brush shaft portion (32) is rotationally limited. The limiting member (4) is disengaged from the second brush shaft portion (32) so that the second brush shaft portion (32) is released from rotational limit.

3. A brush according to claim 2, characterized in that: A mounting sleeve (5) adapted to the limiting member (4) is provided at the junction of the pen holder (1) and the first brush holder portion (22); the mounting sleeve (5) is provided with an external thread (51); an internal thread (41) adapted to the external thread (51) is provided on the inner wall of the limiting member (4); the limiting member (4) is telescopic relative to the pen holder (1) by cooperating with the external thread (51) through the internal thread (41).

4. A brush according to claim 3, characterized in that: A smooth section (42) is provided on the inner wall of the limiting member (4) on a side close to the second brush rod portion (32), and the internal thread (41) is provided on the inner wall of the limiting member (4) on a side away from the second brush rod portion (32). The limiting member (4) cooperates with the second brush rod portion (32) via the smooth section (42).

5. A brush according to claim 2, characterized in that: The end of the second brush rod (32) close to the limiting member (4) is provided with an abutting portion (321), and the abutting portion (321) is subjected to force to drive the second brush rod (32) to rotate. The second brush rod (32) abuts and cooperates with the limiting member (4) through the abutting portion (321). When the abutting portion (321) rotates to abut against the outer wall of the limiting member (4), the second brush bristle portion (31) remains in contact with the first brush bristle portion (21); when the abutting portion (321) rotates to abut against the inner wall of the limiting member (4), the second brush bristle portion (31) remains separated from the first brush bristle portion (21).

6. A brush according to claim 1, characterized in that: The first brush rod portion (22) is provided with a mounting ring (23) adapted to the second brush rod portion (32), and the second brush rod portion (32) is rotatably mounted on the mounting ring (23).

7. A brush according to claim 6, characterized in that: A rotating shaft (231) is provided between the second brush rod portion (32) and the mounting ring (23), and the second brush rod portion (32) is rotatably mounted on the mounting ring (23) via the rotating shaft (231).

8. A brush according to claim 6, characterized in that: The mounting ring (23) is provided with a first recess (232) adapted to the second brush rod portion (32); when the second brush rod portion (32) rotates until the second bristle portion (31) is separated from the first bristle portion (21), the second brush rod portion (32) abuts against the first recess (232) to limit the rotation.

9. A brush according to claim 1, characterized in that: A second recess (221) is provided on one side of the first brush rod portion (22) close to the first bristle portion (21), and the second recess (221) is adapted to the second brush rod portion (32). When the second brush rod portion (32) is rotated until the second bristle portion (31) is in contact with the first bristle portion (21), the second brush rod portion (32) abuts against the second recess (221) to limit the rotation.

10. A brush according to claim 9, characterized in that: The first bristle portion (21) is provided with a third recess (211) adapted to the second bristle portion (31), and the first bristle portion (21) is fitted with the second bristle portion (31) via the third recess (211).

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