Cosmetic brush capable of being opened and closed automatically

Abstract

The utility model relates to an automatic opening and closing type cosmetic brush which ascends and descends according to the operation of an operation body, automatically opens and closes an entrance of a main brush, and is simple in component, easy to assemble and high in productivity. The present invention is provided with: a lifting body comprising a male screw part, a first non-circular part, and a main brush; the guide body comprises an accommodating part in which the lifting body is arranged, a second non-circular part corresponding to the first non-circular part, and two groove-shaped first guide parts; an operating body including a female threaded portion coupled to the male threaded portion, and a first lock; a pair of opening and closing bodies each including an opening and closing tip, a link, a second lock coupled to the first lock, and a second guide portion seated on the first guide portion; and a first housing that accommodates a first assembly of the lifting body, the guide body, and the opening and closing body, each first guide portion including a first-1 guide and a first-2 guide, the opening and closing tip being located at the first-1 guide, and the link being located at the first-2 guide.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automatic opening and closing type cosmetic brush, more particularly to an automatic opening and closing type cosmetic brush, in which the opening and closing top end of the opening and closing body that is raised and lowered according to the operation of the operator can not only automatically open and close the entrance of the first casing in which the main brush is housed, but also has simple components and is easy to assemble, thus being highly productive and further ensuring stable raising and lowering of the opening and closing body and enabling production of various designed products according to the selection of the outer packaging casing, and in addition to the main brush at the upper portion, an auxiliary brush at the lower portion can be used, thereby constituting a mixed type automatic opening and closing type cosmetic brush. BACKGROUND

[0002] Various entrance opening and closing type cosmetic tools have been disclosed in the past. For example, a portable cosmetic brush according to Utility Model Registration No. 20-0072709 (June 2, 1993) describes a brush that easily achieves length adjustment and opening and closing operation by providing a guide tube with a plurality of locking grooves.

[0003] The gazette of the registered utility model describes as follows: the cover of the brush is opened to expose the brush, and when the cover is closed, the sliding tube combined with the lower casing is raised, the brush is folded, and then the cover is closed. Specifically, a locking rod is protruded at the lower portion of the inner peripheral surface of the sliding tube, and the guide tube arranged at the end of the brush forms a guide passage having a plurality of locking grooves so that the locking rod is used. A coil spring is inserted into the outer peripheral surface of the guide tube, and in a state in which the spring elastically supports the locking rod, the sliding tube is raised by the elasticity of the spring by rotating the sliding tube, so that the exposure degree of the brush can be adjusted according to the position at which the locking rod is locked in the plurality of locking grooves.

[0004] However, the registered utility model is implemented in a form in which the brush is exposed in multiple stages, and the purpose is to adjust the exposure degree of the brush as needed, but in actual makeup methods, the thickness and shape (flat or cylindrical, etc.) of the brush used are also different according to the makeup site, and when the actual situation is considered, the utility will be reduced, and compared with this, it is a structure suitable for the extraction of lipstick rather than a cosmetic brush.

[0005] In addition, a brush is proposed in the brush assembly for makeup according to Utility Model Registration No. 20-0319261 (June 27, 2003) in a form in which the brush is exposed when a press head is pressed once, and the brush is retracted when the press head is pressed again, similar to the manner more frequently used in a general writing tool (specifically, a ballpoint pen).

[0006] However, the registered utility model does not solve the problem of contamination of the brush by foreign matter flowing in through the exposure hole during carrying of the brush, and if a cap is additionally used, the brush and the cap can collide when the press head is pressed unintentionally, which can cause the cosmetic brush to break or be damaged.

[0007] The registered patent No. 10-0456267 (2004.10.29) discloses a brush in which a protective cap is pulled out from an exposed portion of an intermediate housing that is partially housed in an outer housing, and a brush support body that is folded in multiple stages in an extended manner inside the intermediate housing is unfolded and the brush is exposed at the same time by a pressing protrusion formed in the center of the inside of the protective cap.

[0008] However, the registered patent does not solve the problem of the pressing protrusion not being accurately combined with a latching member between the cosmetic brush when the protective cap is closed.

[0009] Meanwhile, the registered patent No. 10-0393302 (2003.07.21) discloses a multipurpose housing in which a cap is not covered, and an opening and closing body is advanced in a brush body and covers the brush in a form; the multipurpose housing includes an upper housing, a middle housing, a lower housing, a core, a core rod, a moving rod, a clip, a cap, and an opening and closing member; a pair of opening and closing members are inserted between the middle housing and a fixed packing, and a protrusion formed at the lower end of the opening and closing member is fixed to an insertion groove of a cap rod, so as to be moved together with the cap rod; the opening and closing member is made of a material having elasticity in a semicircular cross section, so as to be separated according to the thickness of the core when the cap and the lower housing are pushed downward and a cosmetic product is taken out, and conversely, when the cap and the lower housing are pushed upward to retract a writing tool, the opening and closing member approaches the upper housing while the cap bodies contact each other, thereby preventing foreign matter from flowing in and unintentional damage, and achieving automatic opening and closing without a cap.

[0010] Further, a male screw portion is formed on the outer surface so as to be fastened to a female screw portion of the upper housing, a circular fixing groove is formed in the inner circumferential surface in the inner side, and a longitudinal insertion groove is formed in the fixed packing so as to insert the opening and closing member, and a longitudinal guide groove is formed in the fixed packing in a long form. Further, a longitudinal sliding groove is formed, a male screw portion is formed on the outer side of the lower end portion, and an insertion groove is formed in the inner side so as to fix the opening and closing member to the cap rod in which the screw groove is formed.

[0011] In the registered patent case, the rear straight movement of the lower housing is followed by the straight movement of the cap rod, thereby, the idle movement of the moving rod occurs, followed by the forward straight movement of the core rod, and finally, the forward straight movement of the core body is restored.

[0012] However, in the registered patent, the helical rotation movement of the moving rod combined with the cap rod and the up-and-down movement of the core rod combined with the helical groove of the moving rod make the housing longer in length according to the male thread formation part, thereby the housing cannot be shorter, thus reducing the convenience of carrying. Therefore, the existing automatic opening and closing cosmetic brush has a great improvement space in assembly, operation performance, and durability. Invention content

[0013]

Technical problems to be solved

[0014] Therefore, the purpose of the present application is to provide an automatic opening and closing cosmetic brush, which not only automatically opens and closes the entrance of the first housing where the main brush appears and disappears according to the operation of the operating body, but also has simple components, easy assembly, thus high productivity, and further ensures the stable lifting of the opening and closing body.

[0015] In addition, the purpose of the present application is to provide an automatic opening and closing cosmetic brush, which allows the second guide part of the opening and closing body to be placed in the first guide part on both sides of the guide body, thereby moving stably, the guide body accommodating the lifting body including the main brush, and in order to correspond to the large opening and closing top end of the upper part of the opening and closing body and the intermediate small link, the first guide part is composed of the upper wide first-1 guide and the lower narrow first-2 guide, thereby achieving stable lifting of the lifting body and opening and closing of the first housing entrance of the opening and closing body.

[0016] Furthermore, the purpose of the present application is to provide an automatic opening and closing cosmetic brush, which allows the link of the opening and closing body to be fixed by a belt combined with the annular groove of the guide body, thereby improving the assembly and ensuring the stability of the lifting of the opening and closing body.

[0017] Furthermore, the purpose of the present application is to provide an automatic opening and closing cosmetic brush, which allows the stop part of the stop protrusion to be formed on the link when the opening and closing body is lowered, thereby ensuring stable opening and closing operation and opening and closing accuracy, the stop protrusion being between the upper first-1 guide and the lower first-2 guide of the first guide part of the guide body.

[0018] And, the utility model discloses a purpose at, provide a kind of automatic open-close type cosmetic brush, the second locking piece or the stop portion of the opening and closing body combined with the first locking piece of the operating body, or both have the outward protruding septum, so that the tolerance between the upper first shell or lower second shell and opening and closing body is minimized when opening and closing body is lifted, and guarantee stable and soft opening and closing body lifting, other parts outside septum can be saved material by maximum slimming, enhance unit price competitiveness.

[0019] Technical scheme

[0020] To achieve the object, according to the utility model discloses open-close type cosmetic brush includes:

[0021] Lifting body, including lower male thread part, intermediate external first non-circular part, upper main brush;

[0022] Guide body, including the containing portion of built-in lifting body, the second non-circular part for internal guidance corresponding to the first non-circular part, two recessed first guide parts are arranged on the two sides of outside oppositely;

[0023] Operating body, including female thread part combined with the male thread part of lifting body, external first locking piece;

[0024] A pair of opening and closing body, respectively including upper large opening and closing top end, intermediate small link, lower second locking piece combined with the first locking piece of operating body, second guide part placed in the first guide part of guide body; And

[0025] First shell, containing lifting body-guide body-opening and closing body first assembly, and is equipped with entrance, the entrance is opened and closed by the opening and closing top end of opening and closing body, and the main brush of lifting body is provided,

[0026] Each first guide part of the guide body includes upper wide first-1 guide piece, lower narrow first-2 guide piece, and the stop ridge between the two guide pieces,

[0027] Opening and closing top end is located in first-1 guide piece, and link is located in first-2 guide piece.

[0028] In addition, in the automatic open-close type cosmetic brush according to the utility model,

[0029] The guide body has annular groove overlapping with first-2 guide piece, and in the state that link is located in first-2 guide piece, the annular groove is combined with belt, so that the link of opening and closing body can be prevented from being separated,

[0030] The link of the opening and closing body is provided with medium stop portion clamped in the stop ridge of the guide body, so as to limit the degree of descent of the opening and closing body when the entrance of the first shell is locked,

[0031] Preferably, the second locking member or the stopper of the opening and closing body, or both are formed with an outwardly protruding partition.

[0032]

Effects of the Invention

[0033] According to the automatic opening and closing type cosmetic brush of the present application, the second guide portion of the opening and closing body is placed in the first guide portion of the guide body, thereby stably moving, the guide body accommodates the lifting body including the main brush, and in order to correspond to the upper large opening and closing top end and the intermediate small link of the opening and closing body, the first guide portion is composed of the upper wide first-1 guide member and the lower narrow first-2 guide member, thereby realizing stable lifting and lowering of the lifting body and opening and closing of the first housing entrance of the opening and closing body. In addition, the present application fixes the link of the opening and closing body by the belt combined with the annular groove of the guide body, thereby improving assembly and ensuring stable lifting of the opening and closing body, and the stopper of the stopper ridge is formed on the link when the opening and closing body is lowered, thereby ensuring stable lifting operation and opening and closing accuracy of the opening and closing body, the stopper ridge is between the upper and lower first-1 and first-2 guide members of the first guide portion of the guide body, and the second locking member or the stopper of the opening and closing body combined with the first locking member of the operation body, or both have an outwardly protruding partition, thereby minimizing the tolerance between the upper first housing or the lower second housing and the opening and closing body when the opening and closing body is lifted and lowered, and ensuring stable and gentle lifting and lowering of the opening and closing body, other parts than the partition can be slimmed to save materials and enhance unit price competitiveness, finally, the opening and closing top end of the opening and closing body lifted and lowered according to the operation of the operation body not only automatically opens and closes the entrance of the first housing in which the main brush is accommodated, but also has simple components and is easy to assemble, thereby having high productivity, ensuring stable lifting and lowering of the opening and closing body, and realizing production of various design products according to selection of the outer packaging housing, and in addition to the upper main brush, a lower auxiliary brush can be used, thereby constituting a mixed type automatic opening and closing type cosmetic brush. BRIEF DESCRIPTION OF DRAWINGS

[0034] FIG. 1(a) is a structure diagram of a lifting body of an automatic opening and closing type cosmetic brush according to the present application;

[0035] FIG. 1(b) is a structure diagram of a lifting body and an operation body of an automatic opening and closing type cosmetic brush according to the present application;

[0036] FIG. 1(c) is a structure diagram of a guide body of an automatic opening and closing type cosmetic brush according to the present application;

[0037] FIG. 1(d) is a structure diagram of a guide body and an operation body of an automatic opening and closing type cosmetic brush according to the present application;

[0038] Fig. 1 (e) is a structure diagram of the first assembly of the automatic opening and closing type cosmetic brush of the present application;

[0039] Fig. 1 (f) is a structure diagram of the opening and closing body, the first housing and the second housing of the automatic opening and closing type cosmetic brush of the present application;

[0040] Fig. 1 (g) is a structure diagram of the automatic opening and closing type cosmetic brush of the present application.

[0041]

BRIEF DESCRIPTION OF DRAWINGS

[0042] A: cosmetic brush C, C1, C2: housing

[0043] 10: lifting body n1, n2, b1, b2: male and female threaded portions

[0044] 13, 23: non-circular portion B1, B2: brush

[0045] 20: guide body 21: accommodating portion

[0046] 25, 25a, 25b, 45: guide portion 25d: annular groove

[0047] 30: operating body 33, 43: locking member

[0048] 1p, 2p: tube 40: opening and closing body

[0049] 41: opening and closing top end 41l: link

[0050] st: stop portion s1, s2: spacer DETAILED DESCRIPTION

[0051] Hereinafter, the present application will be described in detail with reference to the accompanying drawings.

[0052] The present application can be applied to various modifications and can have various forms, which will be described in detail or examples herein. However, this is not intended to limit the present application to a specific disclosed form, and it should be understood to include all modifications, equivalents, alternatives contained in the idea and technical scope of the present application.

[0053] The same reference numerals are used in the drawings, particularly the tens and units, or the tens, units and letters, and the components having the same or similar functions are indicated by the same reference numerals, unless otherwise specified, and the components indicated by the reference numerals in the drawings comply with this standard.

[0054] In addition, in the drawings, the constituent elements can be exaggeratedly larger (or thicker) or smaller (or thinner) or simplified for convenience of understanding, but it should be understood that the scope of protection of the present application is not limited thereto.

[0055] The terms used in the present specification are used to describe only specific embodiments (or aspects), and are not intended to limit the present application. A singular expression, unless explicitly stated otherwise in the context, includes a plural expression. It should be understood that the terms "include" or "comprise" or the like used in the present application are intended to designate the presence of features, numbers, steps, operations, components, parts or combinations thereof described in the specification, and are not intended to preclude the presence or possibility of one or more other features, numbers, steps, operations, components, parts or combinations thereof.

[0056] All terms used herein, including technical or scientific terms, unless otherwise defined, mean the same as understood by a person having ordinary knowledge in the art to which the present application pertains. Terms defined in commonly used dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and should not be interpreted in an idealized or overly formal sense unless otherwise defined specifically in the present application.

[0057] "First", "second", and the like described in the present specification are only for distinguishing different components, and are not limited by superiority or manufacturing order, and the names thereof can not be consistent in the detailed description of the present application and the claims.

[0058] In describing the automatic opening and closing type cosmetic brush A according to the present application, for convenience, reference will be made to Figure 1(a) to Figure 1(g) based on the approximate direction of imprecision,

[0059] The main brush B1 side of the lifting body 10 is defined as the upper portion, the opposite side thereof is defined as the lower portion, and the first guide portion 25 facing both sides of the guide body is defined as left and right. Unless otherwise specified, the detailed description of the present application and the claims related to the drawings are also determined and described in the direction according to this standard.

[0060] Hereinafter, as a representative embodiment, the automatic opening and closing type cosmetic brush A of Figure 1(a) to Figure 1(g) will be described.

[0061] The automatic opening and closing type cosmetic brush A according to the present application includes a lifting body 10, a guide body 20, an operating body 30, an opening and closing body 40, a first housing C1, and a second housing C2.

[0062] Part or all of them are made of synthetic resin, and part of the components such as the housing can be made of aluminum or its alloy, other alloys, and the main brush B1 and the sub brush B2 can use synthetic resin or natural materials.

[0063] The lifting body 10 includes a lower male thread part, specifically a first male thread part b1, an intermediate outer first non-circular part 13, and an upper main brush B1.

[0064] Specifically, the lower end first male thread part b1 constitutes a convex male thread part, and corresponds to a part of the lifting stroke, while the corresponding female thread part of the operating body 30, specifically the first female thread part n1, has an interval length corresponding to the lifting stroke of the lifting body;

[0065] The upper part of the connecting platform 11l having the male thread part b1 at the lower end is provided with a base 13a, and the main brush Bl is combined on the base.

[0066] Preferably, the lint collecting body of the main brush B1 or the auxiliary brush B2 is made of metal, specifically aluminum pipe Al, to ensure productivity and lint stability.

[0067] Preferably, the first non-circular part 13 that ensures the linear lifting of the lifting body through the linkage of the male thread part of the lifting body 10 and the female thread part of the operating body 30 is implemented by a non-circular base 13a of a convex non-circular part, an elliptical shape, or an elliptical aluminum pipe Al, or by all of them.

[0068] In the drawings, the convex non-circular part at the lower end of the base mainly functions as the first non-circular part.

[0069] Next, the guide body 20 includes a receiving part 21 in which the lifting body 10 is built-in, a second non-circular part 23 for internal guidance corresponding to the first non-circular part 13, and two first guide parts 25 in the form of grooves arranged opposite on the outside of both sides.

[0070] The first non-circular part 13 and the second non-circular part 23 can be implemented in various ways such as a general D-shaped cut, a U-shaped cut, a key and a keyway shape, etc., and in the drawings, the second non-circular part 23 in the form of a guide rail on both sides is combined with the convex first non-circular part 13 on both sides.

[0071] Each first guide part 25 includes a first-1 guide 25a of a wide width at the upper part, a first-2 guide 25b of a narrow width at the lower part, and a locking ridge 25c between the two guides; the opening and closing top end 41 of the opening and closing body 40 corresponds to the first-1 guide 25a, and the connecting rod 41l corresponds to the first-2 guide 25b.

[0072] In the drawings, the first-1 guide 25a is in the form of a plane, and the first-2 guide 25b is in the form of a slit or a cut groove (or can be a simple groove structure), and as needed, part or all of the first-1 guide and the first-2 guide can have a groove structure, a slit or a cut groove structure; the groove-shaped first guide part 25 is a general term for them.

[0073] The second guide portion fitted in the recessed first guide portion 25 refers to a flat plate portion corresponding to the inside or inner surface of the opening and closing top end 41, the link rod 41l, and the stop portion st of the opening and closing body 40.

[0074] Thus, the first guide portion 25 on both sides of the guide body 20 is fitted with the second guide portion of the opening and closing body 40 and stably moves, and in order to correspond to the large upper opening and closing top end 41 and the small middle link rod 41l of the opening and closing body 40, the first guide portion is composed of the upper wide first-1 guide 25a and the lower narrow 1-2 guide 25b, thereby enabling stable lifting of the lifting body 10 and opening and closing of the first housing C1 entrance C1a of the opening and closing body 40, the guide body 20 containing the lifting body 10 including the main brush B1.

[0075] In addition, the guide body 20 has a ring-shaped groove 25d overlapping the 1-2 guide 25b, and in a state in which the link rod 41l is installed in the 1-2 guide, the ring-shaped groove 25d is combined with a belt b, thereby being able to prevent disengagement of the link rod 41l of the opening and closing body 40.

[0076] Preferably, the belt b has elasticity for easy assembly and has a certain degree of lubricity in terms of material properties,

[0077] Thus, the opening and closing body link rod 41l is fixed by the belt combined by the ring-shaped groove 25d of the guide body 20, thereby being able to improve assembly and ensure lifting stability of the opening and closing body.

[0078] The operation body 30 includes a female thread portion, specifically a first female thread portion n1, combined with a male thread portion, specifically a first male thread portion b1, of the lifting body 10, and further includes a first locking member 33 provided on the outside.

[0079] The female thread portion of the operation body 30 is linked with the external male thread portion of the lifting body 10; more specifically, the male thread portion of the lifting body 10 is the first male thread portion b1.

[0080] The operation body 30 is composed of a first pipe 1p and a second pipe 2p, and the first pipe is inserted into the second pipe,

[0081] The first female thread portion n1 combined with the first male thread portion b1 is formed inside the first pipe 1p,

[0082] The first pipe 1p has a second male thread portion b2 formed at the lower end, and the second pipe 2p has a second female thread portion n2 formed inside to be combined with the second male thread portion b2.

[0083] Further, a pair of opening and closing bodies 40, which are placed on the two first guide portions 25 of the guide body 20, are observed, which include a large opening and closing top end 41 in the upper portion, a small connecting rod 41l in the middle portion, and a second locking member 43 in the lower portion, which is combined with the first locking member 33 of the operating body 30, and the second guide portion is placed on the first guide portion 25 of the guide body 20.

[0084] Hereinafter, the large, medium and small sizes of the opening and closing top end 41, the second locking member 43 and the connecting rod 41l, and the wide, medium and narrow sizes of the first-1 guide member 25a, the first locking member 33 and the first-2 guide member 25b of the first guide portion 25 of the guide body 20 corresponding thereto are described; which are not only the comparison of relative sizes, but also the selection of size difference for realizing specific functions.

[0085] Specifically, in the opening and closing body 40, the selection of the large opening and closing top end 41 and the small connecting rod 41l is to slim down, save materials, ensure light weight, and ensure smooth lifting.

[0086] The medium second locking member 43 in the lower portion is placed in the groove-shaped medium first locking member 33 corresponding thereto, and the upper end of the groove-shaped first locking member 33 constitutes a reduced portion 33a corresponding to the size of the small connecting rod 41l, thereby preventing the second locking member 43 combined with the first locking member from being separated upward.

[0087] In addition, the connecting rod 41l of the opening and closing body 40 is provided with a medium stop portion st clamped in the stop ridge 25c of the guide body 20, so as to limit the degree of descent of the opening and closing body 40 when the entrance of the first shell C1 is locked.

[0088] Therefore, the stop portion st clamped in the stop ridge 25c when the opening and closing body descends is formed on the connecting rod, so as to ensure stable opening and closing body lifting operation and opening and closing accuracy, and the stop ridge 25c is between the first-1 guide member and the first-2 guide member of the first guide portion of the guide body.

[0089] The first shell C1 contains the first assembly A1 composed of the lifting body 10, the guide body 20 and the opening and closing body 40, and is provided with an entrance C1a, which is opened and closed by the opening and closing top end 41 of the opening and closing body 40, so as to emerge and retract the main brush B1 of the lifting body 10.

[0090] The two open-close top ends 41 are shaped like human lips, and in the second embodiment, the shape is shown by the position marked by the number 41a on the right lower side of the assembled cosmetic brush A, so as to improve the aesthetic feeling of the design; according to the needs, it can also be formed in various images or trademarks, and the images are formed in three-dimensional or planar, so as to get rid of the monotonous feeling, or become the bright spot that attracts the eyes. In the state that the inlet C1a of the first shell is closed, the open-close top end 41 is shaped like a slightly convex lip 41a, so as to improve the visibility.

[0091] As shown in the cosmetic brush A of the first embodiment, Figure 1(a) to Figure 1(g) The first shell C1 is composed of the first-1 shell 1c and the first-2 shell 2c which are combined with each other by inserting from top to bottom, and in addition, for the same reason, the shell of the second tube 2p which constitutes the operating body 30, that is, the second shell C2 is also composed of the second-2 shell c2 and the second-1 shell c1 which are combined with each other by inserting from top to bottom.

[0092] As shown in the cosmetic brush A of the first embodiment, Figure 1(a) to Figure 1(g) The first-1 shell 1c, the first-2 shell 2c, the second-1 shell c1 and the second-2 shell c2 are all made of synthetic resin, or according to the needs, part of the shells, such as the first-2 shell 2c or the second-1 shell c1, or both of them can be made of metal, specifically made of aluminum.

[0093] In the cosmetic brush A of the second embodiment, the first shell C1 is made of a single metal cylinder made of aluminum or its alloy, and the second shell C2 is composed of the second-1 shell c1 and the second-2 shell c2, both of which are made of metal cylinders made of aluminum or its alloy, and the second-2 shell c2 is formed with a combination hole h3 combined with the gem a.

[0094] In the cosmetic brush A of the third embodiment, the first shell C1 is composed of the first-1 shell 1c and the first-2 shell 2c, and is made of synthetic resin and metal respectively, and the second shell C2 is composed of a single cylinder made of synthetic resin, and additionally combined with a stop cap s3 at the end of the second tube 2p of the operating body 30, so that the inner end of the second shell C2 is just combined with the stop cap s3, so as to ensure the firmness of the combined state.

[0095] In the cosmetic brush A of the fourth embodiment, the first shell C1 is composed of the first-1 shell 1c and the first-2 shell 2c, and is made of synthetic resin and metal respectively, and the second shell C2 is composed of a single cylinder made of synthetic resin, or a vice brush B2 is arranged at the end, specifically a hair collecting structure on the aluminum tube Al, and the vice brush is protected by a brush cap.

[0096] According to the needs, the vice brush is in the registration bulletin of the utility model registration No. 200478988 of the applicant of the utility model, December 1, 2015

double brush assembly

[0097] In addition, in the single first shell C1 or the binary first- second shell 2c, in the first guide portion 25 of the guide body 20, the male first fastening portion h1 is arranged at a position that is offset by 90 degrees from the annular groove 25d of the two first- second guides 25b of the lower narrow portion and is in a cross arrangement structure, and correspondingly, the female second fastening portion h2 is formed on the first shell at a position opposite to the male first fastening portion h1; thus, when the first assembly A1 is assembled with the first shell C1, the male first fastening portion h1 of the guide body 20 and the female second fastening portion h2 of the first shell are combined without the use of adhesives or the like, and physical firm combination can be achieved.

[0098] In consideration of the downward assembly of the first shell C1 from the upper portion to the lower portion of the guide body 20, preferably, the male male first fastening portion h1 is a convex structure that is low at the top and high at the bottom, and specifically, as shown in the figure, the male first fastening portion h1 and the female second fastening portion h2 are respectively a circular convex and a circular hole.

[0099] Further, preferably, the second locking member 43 or the stop portion st of the opening and closing body 40, or both, are formed with outwardly protruding spacers s1, s2.

[0100] Through the spacers s1, s2, the tolerance between the upper first shell C1 or the lower second shell C2 and the opening and closing body 40 is minimized when the opening and closing body 40 is raised and lowered, and stable and gentle opening and closing body raising and lowering can be ensured, and other parts except the spacers can be slimmed to the maximum to save materials and enhance unit price competitiveness.

[0101] In addition, as shown in the first embodiment, Figure 1(a) to Figure 1(g) two friction protrusions P are formed on the second-1 shell c1, the two friction protrusions protrude outward more than the outer circumferential surface of the second-1 shell c1, and the elasticity is enhanced through the 11-shaped cutout holes H located on both sides of the friction protrusions,

[0102] Since the tolerance between the friction protrusions P and the second shell C2, specifically the second-2 shell c2, is reduced, the elasticity and unique lubrication characteristics of the O-ring can be utilized to ensure easy assembly, stable assembly state, and smooth raising and lowering operation of the opening and closing body 40 and the raising and lowering body 10.

[0103] Based on this, in the operating body 30 of the fourth embodiment, the second tube 2p forms an O-shaped groove rg at the lower part of the first locking piece 33, and the O-ring ro is set in the O-shaped groove, thereby reducing the tolerance between the second tube 2p and the second shell C2, and utilizing the elasticity and unique lubricating properties of the O-ring to ensure easy assembly, stable assembly state, and smooth lifting and lowering operations of the opening and closing body 40 and the lifting body 10.

[0104] As needed, the contact parts of the shell C composed of the first shell C1 and the second shell C2 and the components built therein (parts that are not related to the spiral movement and lifting movement of the operating body 30, the opening and closing body 40 and the lifting body 10) can be fixed by adhesive, or fixed internally using a tape or film with just the right tolerance minimization, or fixed by minimizing the tolerance of the contact part itself.

[0105] by Figure 1(a) to Figure 1(g) As a reference, the operating state of the automatic opening and closing type makeup brush A is described.

[0106] When one hand holds the 2-2 shell c2 and the other hand holds the lower end of the 2-1 shell c1 and pulls it downward, due to the locking action between the first locking member 33 and the second locking member 43, while the operating body 30 descends, the opening and closing body 40 descends steadily under the action of the first guide part 25, the second guide part and the belt b; finally, the two opening and closing tops 41 located in the lower wide space inside the 1-1 shell expand based on their own elasticity and contact with the 1-1 guide part 25a, that is, the entrance C1a of the 1-1 shell 1c with a narrow upper and wide lower shape is opened.

[0107] Specifically, the second tube 2p combined with the 2-2 shell c2 has a second female threaded portion n2 on its inner circumference, which rotates relative to the second male threaded portion b2 at the lower end of the first tube 1p; at this time, the first tube 1p with the first female threaded portion n1 in the operating body 30 rotates in place due to the upper annular protrusion r2 for combination, and the upper annular protrusion r2 for combination is engaged with the inner annular groove r1 on the inner circumference of the 1-2 guide 25b of the guide body 20; through the rotation of the first tube 1p, the first male threaded portion b1 and the first female threaded portion n1 are linked together, so that the lifting body 10 rises, and the main brush B1 is exposed to the outside from the open entrance C1a of the 1-1 shell 1c.

[0108] The lifting body 10 performs a linear lifting motion under the restraint of the first non-circular portion 13 and the second non-circular portion 23 of the operating body 30 .

[0109] If one hand holds the second-2 housing c2 again and the other hand holds the lower end of the second-1 housing c1 and pushes upward, the operating body 30 rises while the opening and closing body 40 rises with it; finally, the two opening and closing top ends 41 of the upper narrow space inside the first-1 housing contact the two closed entrances to close the entrance C1a of the first-1 housing 1c which has the shape of upper narrow and lower wide.

[0110] Specifically, the second pipe 2p combined with the second-2 housing c2 has the second female thread part n2 on the inner circumferential surface thereof rotate relative to the second male thread part b2 at the lower end of the first pipe 1p; at this time, the first pipe 1p having the first female thread part n1 in the operating body 30 rotates in place due to the annular protrusion r2 which is fitted into the inner annular groove r1 of the guide body 20; through the rotation of the first pipe 1p, the first male thread part b1 and the first female thread part n1 are linked to make the lifting body 10 lower, and the main brush B1 lowers from the entrance C1a of the closed first-1 housing 1c to be in the built-in state.

[0111] In the above description, the description of the commonly known technology related to the cosmetic brush is omitted, but those skilled in the art can easily infer and reproduce it.

[0112] In addition, in the above description of the present utility model, the cosmetic brush with specific shape and structure is mainly described with reference to the drawings, but it should be interpreted that those skilled in the art can make various modifications, changes and substitutions, and such modifications, changes and substitutions belong to the protection scope of the present utility model.

Claims

1. An automatic opening and closing type cosmetic brush characterized by comprising: Comprise: a lifting body including a lower male threaded portion, an intermediate outer first non-circular portion, and an upper main brush; a guide body including a receiving portion in which the lifting body is received, a second non-circular portion for internal guidance corresponding to the first non-circular portion, and two recessed first guide portions provided on the outer two sides in opposition; an operating body including a female threaded portion combined with the male threaded portion of the lifting body, and an outer first locking member; a pair of opening and closing bodies each including an upper large opening and closing tip, an intermediate small link, a lower second locking member combined with the first locking member of the operating body, and a second guide portion fitted in the first guide portion of the guide body; and a first housing accommodating the first assembly of the lifting body, the guide body, and the opening and closing bodies, and having an inlet which is opened and closed by the opening and closing tip of the opening and closing body and through which the main brush of the lifting body is withdrawn and inserted, each first guide portion of the guide body includes an upper wide first-1 guide member, a lower narrow first-2 guide member, and a locking ridge between the two guide members, the opening and closing tip is located in the first-1 guide member, and the link is located in the first-2 guide member. The guide body has an annular groove overlapping the first-2 guide member, and a belt is combined with the annular groove in a state in which the link is located in the first-2 guide member, thereby preventing the link of the opening and closing body from being separated.

2. The automatic opening and closing cosmetic brush according to claim 1, wherein The link of the opening and closing body is provided with a medium stop portion which is locked in the locking ridge of the guide body, so as to limit the degree of descent of the opening and closing body when the inlet of the first housing is locked.

3. The automatic opening and closing cosmetic brush according to claim 1 or 2, characterized in that, The second locking member or the stop portion of the opening and closing body, or both, are formed with a spacer which protrudes outward.

4. The automatic opening and closing cosmetic brush according to claim 3, wherein ​

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