WO2020107711A1

WO2020107711A1 - Makeup brush having improved sponge fixing structure

Info

Publication number: WO2020107711A1
Application number: PCT/CN2019/074886
Authority: WO
Inventors: 钟华
Original assignee: 共聚生化科技（昆山）有限公司
Priority date: 2018-11-29
Filing date: 2019-02-13
Publication date: 2020-06-04
Also published as: CN109567364A

Abstract

A makeup brush having an improved sponge fixing structure, comprising a cover, a brush rod, a bottle, and a sponge. The cover and brush rod are positioned in combination with each other, and the brush rod and the bottle are also positioned in combination with each other. The prevent invention is further provided with a sponge clamp. The sponge clamp comprises a head portion and a tail portion along a front-rear direction. The head portion is provided with at least one pair of jaws which are obliquely open with respect to the tail portion in a natural state. The tail portion and the brush rod are snap-fitted. The head portion can deflect when being pressed against by the brush rod, such that the jaws clamp and tightly wrap the sponge. The present invention is easy to assemble, features high efficiency, and can firmly clamp a sponge without using a glue, thereby preventing contamination to an internal liquid material.

Description

Cosmetic pencil improved for fixing structure of sponge head

Technical field

The invention relates to the field of cosmetics, in particular to a cosmetic pen improved for the sponge head fixing structure.

Background technique

The prior art makeup pen is a direct dispensing structure of sponge head, specifically, the sponge head and the brush rod are fixed by a glue combination. The sponge head material is soft and easy to deform, and it needs to be screwed in when it is combined with the brush rod. It is not easy to assemble and the production capacity is low; the sponge head is filled with liquid material and the sponge head and the brush rod are combined by dispensing Fixed, glue and liquid internal materials are easy to react, so it will pollute the liquid internal materials.

Summary of the invention

In order to overcome the above defects, the present invention provides a cosmetic pen with improved sponge head fixing structure, which avoids using glue to fix the sponge head, thereby avoiding contamination of the liquid internal material.

The technical solution adopted by the present invention in order to solve its technical problems is: a cosmetic pencil improved for the sponge head fixing structure, which includes a cover, a brush rod, a bottle and a sponge head. The brush rod and the bottle are also positioned in combination, and a cotton tip clip is also provided. The cotton tip clip includes a head and a tail provided in the front-rear direction, and the head is provided with at least a pair of inclines relative to the tail in a natural state With the slightly expanded jaws, the tail is fixed with the brush rod, the head can be deflected by the brush rod, and the jaws clamp and wrap the sponge head.

As a further improvement of the present invention, the brush rod includes an annular base portion, a large diameter portion bent and extending from an outer peripheral edge of the base portion, and a small diameter portion bent and extending from an inner peripheral edge of the base portion, the large diameter portion surrounding the small diameter Outside the part, the small-diameter part and the large-diameter part are arranged in the same direction and in parallel, the bottle is positioned with the large-diameter part, the tail is fixed with the small-diameter part, and the head is deflected by being pressed by the small-diameter part.

As a further improvement of the present invention, an airtight ring is protruded between the head and the tail, and the airtight ring is attached to the inner wall of the small-diameter portion.

As a further improvement of the present invention, the inner wall of the small-diameter portion protrudes oppositely to form a card wall with a bayonet, the tail is provided with a card bag, the tail passes through the card hole, and the card bag is positioned against the card wall .

As a further improvement of the present invention, an inner plug filled between the bottle and the brush rod is also provided.

As a further improvement of the present invention, the inner plug is provided with a main body part, a first convex part projecting outward from the main body part and a second convex part projecting inward from the main body part, the first convex part includes front and rear The front convex portion and the rear convex portion are provided at intervals. The bottle has a main body accommodating portion and a neck connected to the main body accommodating portion and having a smaller cross-sectional dimension than the main body accommodating portion, and a stepped portion is formed between the neck and the main body accommodating portion. The front convex portion abuts on the stepped portion, the rear convex portion abuts on the end of the neck, and the second convex portion interferes with the outer wall of the small-diameter portion.

As a further improvement of the present invention, the neck is sandwiched between the large-diameter portion and the inner plug in the inner and outer directions, and the front convex portion is sandwiched between the base and the neck in the front-rear direction.

As a further improvement of the present invention, the neck portion is provided with an external thread, the large diameter portion is provided with an internal thread, and the bottle and the brush rod are engaged with the external thread and the internal thread.

As a further improvement of the present invention, the brush bar is provided with an extension portion that is bent from the outer edge of the base portion and extends opposite to the large diameter portion, and the cover is assembled to the outside of the extension portion and the large diameter portion for positioning.

As a further improvement of the present invention, a plug that is assembled into the small-diameter portion from one end of the extension portion is also provided.

The beneficial effect of the present invention is that the sponge head of the present invention is fixed in combination with the brush rod by the clamping force of the cotton head clip, so that the present invention can firmly clamp the sponge head without glue, avoiding the liquid material At the same time, the present invention first clamps the sponge head through the jaws of the head. The user grasps the tail of the cotton head clip through the auxiliary tool and pulls it firmly. During the pulling process, the jaws naturally shrink and hold the sponge head. The invention has simple assembly and high efficiency.

BRIEF DESCRIPTION

FIG. 1 is a combination diagram of a cosmetic pen with improved sponge head fixing structure according to the present invention.

FIG. 2 is a schematic diagram of the brush rod in FIG. 1.

Fig. 3 is a schematic diagram of the bottle in Fig. 1.

FIG. 4 is a schematic diagram of the cotton head clip in FIG. 1.

FIG. 5 is a schematic diagram of the inner plug in FIG. 1.

6 is an assembly flow chart of the sponge head in FIG. 1 being fixed on a brush rod through a cotton head clamp.

FIG. 7 is a combined view of another embodiment of a cosmetic pen with improved sponge head fixing structure according to the present invention.

Based on the above drawings, make the following supplementary explanations:

1---Cover--2---Brush

21---Base Department 22---Large Diameter Department

221---Internal thread 23---Small diameter section

230---Bayonet 231---Bayonet

24---Extension Department 3---Bottle

31---main body containment department 32---neck

321---external thread 33---step

4---sponge head 5---cotton head clip

51---Head 511-Claw

52---tail 521---card package

53---Airtight circle 6---Nesser

61---main body 62---the first convex part

621---Front convex part 622---Back convex part

63---the second convex part 7---plug

detailed description

Please refer to FIG. 1 and FIG. 7, a cosmetic pen with improved sponge head fixing structure includes a cover 1, a brush rod 2, a bottle 3 and a sponge head 4. The cover 1 and the brush rod 2 are positioned in combination, and the brush rod 2 and the bottle 3 are also positioned in combination. The present invention is also provided with a cotton head clip 5, which includes a head 51 and a tail 52 provided in the front-rear direction. The head 51 is provided with at least a pair of jaws 511 inclined slightly with respect to the tail 52 in a natural state, the tail 52 is snap-fixed with the brush rod 2, and the head 51 can be pressed by the brush rod 2 Deflecting, the claw 511 clamps and wraps the sponge head 4 tightly.

Referring to FIG. 2, the brush rod 2 includes an annular base 21, a large-diameter portion 22 bent and extended from an outer peripheral edge of the base 21, and a small-diameter portion 23 bent and extended from an inner peripheral edge of the base 21. The large-diameter portion 22 surrounds the small-diameter portion 23, and the small-diameter portion 23 and the large-diameter portion 22 are arranged in the same direction and in parallel. The bottle 3 is positioned with the large-diameter portion 22, the tail portion 52 is fixed with the small-diameter portion 23, and the head portion 51 is pressed by the small-diameter portion 23 to be deflected. Therefore, in the present invention, the sponge head 4 and the brush rod 2 are combined and fixed by the cotton head clip 5, and the bottle 3 and the brush rod 2 are also combined and fixed.

Referring to FIG. 4, an airtight ring 53 is protruded between the head 51 and the tail 52, and the airtight ring 53 is attached to the inner wall of the small-diameter portion 23. This is the first embodiment of the present invention, please refer to FIGS. 1 to 6: the airtight ring 53 is arranged between the brush rod 2 and the cotton head clamp 5, has airtightness, prevents the liquid inner material from the coastal cotton head 4, brush The effect of accidental seepage inside the rod 2. The first embodiment is a one-piece design scheme, and the cotton head clamp 5 simultaneously achieves the airtight effect during the assembly and clamping of the sponge head 4.

2 and FIG. 4, the specific implementation of the tail 52 and the brush bar 2 is fixed by locking: the inner wall of the small-diameter portion 23 protrudes oppositely to form a locking wall 231 with a bayonet 230, the tail 52 A card package 521 is provided, the tail 52 passes through the card opening 230, and the card package 521 is positioned against the card wall 231.

Please refer to FIGS. 1 and 5, the present invention further provides an inner plug 6 filled between the bottle 3 and the brush rod 2. The function of the inner plug 6 is to fill the combined gap between the brush rod 2 and the bottle 3 to ensure air tightness, and the liquid material in the bottle 3 is not easy to leak.

Please refer to FIGS. 1-3 and FIG. 5, the inner plug 6 is provided with a body portion 61, a first convex portion 62 protruding outward from the body portion 61 and a second convex portion 63 protruding inward from the body portion 61 The first convex portion 62 includes a front convex portion 621 and a rear convex portion 622 that are arranged at a front-rear interval. The bottle 3 has a main body accommodating portion 31 and a neck 32 connected to the main body accommodating portion 31 and having a smaller cross-sectional dimension than the main body accommodating portion 31, and a stepped portion 33 is formed between the neck 32 and the main body accommodating portion 31. The front convex portion 621 abuts on the step portion 33, the rear convex portion 622 abuts on the end of the neck 32, and the second convex portion 63 interferes with the outer wall of the small-diameter portion 23. The specific implementation of the combination of the inner plug 6, the bottle 3, and the brush rod 2 is: first install the inner plug 6 on the neck 32 of the bottle 3, and then assemble the brush rod 2 into the bottle 3. On the one hand, the bottle 3 and The large-diameter portion 22 of the brush rod 2 is positioned, and on the other hand, the inner plug 6 and the small-diameter portion 23 of the brush rod 2 are interference fitted by friction.

1 to 6, the neck 32 is sandwiched between the large-diameter portion 22 and the inner plug 6 in the inner and outer directions, and the front convex portion 621 is sandwiched between the base 21 and the neck 32 in the front-rear direction between. The assembly sequence of the inner plug 6, the bottle 3, and the brush rod 2 is as follows: first attach the inner plug 6 to the inside of the neck 32 of the bottle 3, and then assemble the brush rod 2 from left to right, and the small diameter portion 23 together with the cotton tip clip 5. The sponge head 4 is assembled through the inner plug 6 into the main body accommodating portion 31 of the bottle 3, and the large-diameter portion 22 is positioned with the neck portion 32 of the bottle 3 to complete the assembly.

Please refer to FIGS. 1 to 3, the neck 32 is provided with an external thread 321, the large diameter portion 22 is provided with an internal thread 221, and the bottle 3 and the brush rod 2 are engaged by the external thread 321 and the internal thread 221. The specific positioning method between the bottle 3 and the large-diameter portion 22 of the brush rod 2 is spiral positioning.

Please refer to FIGS. 1 and 2, the brush rod 2 is provided with an extension portion 24 bent from the outer edge of the base portion 21 and extending opposite to the large diameter portion 22, and the cover 1 is assembled to the extension portion 24 and the large diameter portion 22 is located outside, this structure defines the specific position of the cover 1 to be positioned on the brush rod 2.

Referring to FIG. 7, the present invention further provides a plug 7 assembled from the end of the extension portion 24 into the small-diameter portion 23. This is the second embodiment of the present invention. Please refer to FIG. 7: the airtightness is ensured by assembling the plug 7, which has the effect of preventing the internal leakage of the liquid cotton coastal cotton head 4 and the brush rod 2 from accidental leakage. The second embodiment is a two-piece design scheme. After the sponge head 4 is clamped by assembling the cotton head clamp 5, the airtight effect is realized by assembling the plug 7.

The sponge head 4 of the present invention is fixed in combination with the brush rod 2 by the clamping force of the cotton head clamp 5, so that the present invention can firmly clamp the sponge head 4 without glue, and avoid contamination of the liquid internal material; At the same time, in the present invention, the sponge head 4 is clamped by the claw 511 of the head 51 first, the user grasps the tail 52 of the cotton head clip 5 with an auxiliary tool (not shown) and pulls it with force. During the pulling process, the claw 511 naturally The sponge head 4 is contracted and held tightly, and the assembly of the invention is simple and the efficiency is high.

Claims

A cosmetic pen improved for the sponge head fixing structure includes a cap, a brush rod, a bottle and a sponge head, the cap and the brush rod are positioned in combination, the brush rod and the bottle are also positioned in combination, and the characteristics are: A cotton head clip is provided. The cotton head clip includes a head portion and a tail portion provided in the front-rear direction. The head portion is provided with at least one pair of jaws slightly inclined with respect to the tail portion in a natural state. The brush rod is fixed by a buckle, the head can be pressed and deflected by the brush rod, and the clamping claws clamp and wrap the sponge head.
The cosmetic pen with improved sponge head fixing structure according to claim 1, characterized in that the brush rod includes an annular base, a large-diameter portion bent and extending from the outer periphery of the base, and an inner portion from the base A small-diameter portion bent and extending around the periphery, the large-diameter portion surrounding the small-diameter portion, the small-diameter portion and the large-diameter portion are arranged in the same direction and in parallel, the bottle is positioned with the large-diameter portion, and the tail is fixed with the small-diameter portion The head is deflected by being pressed by the small-diameter portion.
The cosmetic pen with improved sponge head fixing structure according to claim 2, characterized in that an airtight ring is protrudingly arranged between the head and the tail, and the airtight ring is fit to the inner wall of the small diameter part .
The cosmetic pen with improved sponge head fixing structure according to claim 2, characterized in that: the inner wall of the small-diameter portion protrudes oppositely to form a card wall with a bayonet, and the tail is provided with a card bag, so The tail passes through the bayonet, and the card package is positioned against the card wall.
The cosmetic pen with improved sponge head fixing structure according to claim 2, wherein an inner plug filled between the bottle and the brush rod is further provided.
The cosmetic pen with improved sponge head fixing structure according to claim 5, characterized in that the inner plug is provided with a main body part, a first convex part protruding outward from the main body part and an inner side protruding from the main body part A protruding second convex portion, the first convex portion includes a front convex portion and a rear convex portion spaced back and forth, the bottle has a body receiving portion and a neck connected to the body receiving portion and having a cross-sectional size smaller than that of the body receiving portion A stepped portion is formed between the neck and the body receiving portion, the front convex portion abuts on the stepped portion, the rear convex portion abuts on the end of the neck, the second convex portion and the small diameter portion The outer wall interferes with the fit.
The cosmetic pencil with improved sponge head fixing structure according to claim 6, characterized in that the neck is sandwiched between the large diameter portion and the inner plug in the inner and outer directions, and the front convex portion is in front and back It is clamped between the base and the neck in the direction.
The cosmetic pen with improved sponge head fixing structure according to claim 7, characterized in that: the neck is provided with an external thread, the large diameter portion is provided with an internal thread, and the bottle and the brush rod pass through the external The thread and the internal thread are engaged.
The cosmetic pen with improved sponge head fixing structure according to claim 2, characterized in that: the brush bar is provided with an extension part bent from the outer edge of the base part and extending opposite to the large diameter part, the The cover is assembled to the outside of the extension part and the large-diameter part for positioning.
The cosmetic pen with improved sponge head fixing structure according to claim 9, characterized in that a plug inserted into the small diameter part from one end of the extension part is further provided.