CN209883336U

CN209883336U - Lipstick tube

Info

Publication number: CN209883336U
Application number: CN201920356358.6U
Authority: CN
Inventors: 陈文胜
Original assignee: Also Zhen Bao Technology (suzhou) Co Ltd
Current assignee: Yizhen material technology (Suzhou) Co.,Ltd.
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-01-03
Anticipated expiration: 2029-03-20
Also published as: WO2020186537A1

Abstract

The utility model discloses a lipstick tube, including base, lid and well bundle core, the lid can be connected in order to form the space that holds well bundle core with the lid closure through closure mechanism, well bundle core and base fixed connection, closure mechanism include with base fixed connection's shoulder cover, be provided with on the shoulder cover with lid closed connection's block portion and sealing member, the sealing member is elastic plastic or elastic rubber and just passes through double-colored integrated into one piece that moulds plastics with the shoulder cover. The utility model is simple in operation, convenient, sealing performance is good, can prevent that its inside cosmetics from volatilizing, become dry, harden etc., guarantee moisturizing, the color preservation of cosmetics, keep fresh etc., and elastic plastic or elastic rubber's sealing member and shoulder cover pass through double-colored injection moulding integrated into one piece moreover, and bonding strength is high, and limited slip is good, and the structure is more stable, firm to prolong the life of cosmetics, improved this lipstick pipe's stability, reliability and range of application, strengthened this lipstick pipe's market competition.

Description

Lipstick tube

Technical Field

The utility model relates to a cosmetics technical field especially relates to a lipstick tube.

Background

At present, makeup is an indispensable part of people's daily life. The cosmetic may be in various forms, such as powder, liquid, and paste. In order to facilitate the use of cosmetics, people generally make different cosmetics into different shapes and put the cosmetics in suitable containers, wherein the stick-shaped cosmetics, such as lipstick, concealer, skin whitening stick, sunscreen stick and the like, are generally put in a tube body, and the tube body is generally called a lipstick packing tube, which is called a lipstick tube for short.

However, some existing lipstick tubes have certain defects in design, so that the sealing effect of the lipstick tube is poor, the lipstick tube is inconvenient to open and close, cosmetics inside the lipstick tube are easy to dry, harden, even deteriorate and the like, the service life of the cosmetics is shortened, and even adverse effects can be caused to users.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lipstick tube aiming at the problems of the existing lipstick tube.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a lipstick tube, includes base, lid and well bundle core, and the lid can be connected in order to form the space that holds well bundle core with the lid closure through closing mechanism, well bundle core and base fixed connection, closing mechanism include with base fixed connection's shoulder cover, be provided with on the shoulder cover with lid closure connection's block portion and sealing member, the sealing member be elastic plastic or elastic rubber and with the shoulder cover through double-shot molding integrated into one piece.

The utility model has the advantages that: the shoulder cover is connected and lid extrusion sealing member forms airtight effect through its block portion and lid closure, and is easy for operation, and is convenient, and sealing performance is good, can prevent the dust effectively when this lipstick pipe does not use, inside air etc. gets into, prevent to cause inside cosmetics to volatilize, it is dry, the sclerosis, go bad etc. even, thereby guaranteed moisturizing, the color preservation of cosmetics, keep fresh etc, and soft material's sealing member and shoulder cover pass through double-colored injection moulding integrated into one piece, and bonding strength is high, the limited slip nature is good, the structure is more stable, firmly, thereby the life of cosmetics has been prolonged, this lipstick pipe's stability has been improved, reliability and range of application, this lipstick pipe's market competition has been strengthened.

In some embodiments, the shoulder sleeve has a shoulder portion that is press fit against an end face of the cover body, and the seal is provided on the shoulder portion, and the engaging portion is capable of protruding into the inside of the cover body and engaging with the cover body.

In some embodiments, the seal member has a first annular projection formed thereon that sealingly engages the cap body.

In some embodiments, a first groove body matched with the sealing element is arranged on the shoulder part, and a plurality of first hole bodies used for being connected with the sealing element in a reinforcing mode are arranged in the first groove body.

In some embodiments, at least one first protrusion is disposed on the engaging portion, and a first groove engaged with the first protrusion is disposed on the inner side of the cover.

In some embodiments, the base is connected with the shoulder sleeve in an ultrasonic bonding mode, and the base is provided with a second groove body matched with the shoulder sleeve.

In some embodiments, the middle core comprises a middle sleeve, a first spiral, a fork and a first bead, wherein the middle sleeve, the first spiral, the fork and the first bead are coaxially and sequentially sleeved, the fork is fixedly connected with the base, the middle sleeve is fixedly connected with the first spiral, the first spiral and the fork are axially fixed, the circumferential direction of the first spiral and the first bead can rotate relatively, and the first bead can axially move along with the circumferential movement of the first spiral so that cosmetics arranged on the first bead can be hidden or leaked.

In some embodiments, the inner wall of the first spiral is provided with a first spiral groove, the fork has a guide groove arranged in the axial direction, and the outer side of the first bead has a first projection penetrating through the guide groove and protruding into the first spiral groove.

In some embodiments, the middle bundle core comprises a middle bundle, a middle section, a second spiral and a second bead, wherein the middle bundle, the middle section, the second spiral and the second bead are coaxially and sequentially sleeved, the second spiral is fixedly connected with the base, the middle bundle is fixedly connected with the middle section, the middle section and the second spiral are axially fixed and can rotate relative to each other in the circumferential direction, and the second bead can axially move along with the circumferential movement of the second spiral through the limitation of the middle section so as to hide or leak cosmetics arranged on the second bead.

In some embodiments, the second bead has a screw rod matched with the second spiral, the screw rod has a second spiral groove, the inner wall of the second spiral is provided with a second lug extending into the second spiral groove, and the middle section is provided with a first through hole for the screw rod to pass through and limit the rotation of the screw rod in the circumferential direction.

In addition, in the technical solutions of the present invention, the technical solutions can be implemented by adopting conventional means in the art, which are not specifically described.

Drawings

Fig. 1 is a cross-sectional view of a lipstick tube of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 3 is an exploded view of the lipstick tube of the present invention.

Fig. 4 is a schematic perspective view of the shoulder cap of the present invention.

Fig. 5 is a cross-sectional view of the first embodiment of the core assembly of the present invention.

Fig. 6 is a cross-sectional view of the middle section of the present invention.

Fig. 7 is a cross-sectional view of a second spiral of the present invention.

Fig. 8 is a cross-sectional view of the second embodiment of the middle core assembly of the present invention.

Fig. 9 is a cross-sectional view of the fork of the present invention.

Fig. 10 is a cross-sectional view of a first bead of the present invention.

The reference numerals in the drawings indicate that the base 1, the second groove body 11, the cover body 2, the first groove 21, the middle binding core 3, the middle sleeve 31, the fork 32, the guide groove 321, the first limit step 322, the first bead 33, the first projection 331, the first spiral 34, the first spiral groove 341, the middle binding 35, the middle joint 36, the first through hole 361, the annular clamping groove 362, the second bead 37, the spiral rod 371, the second spiral groove 3711, the second spiral 38, the second projection 381, the annular protrusion 382, the closing mechanism 4, the shoulder sleeve 41, the clamping portion 411, the first protrusion 4111, the sealing member 412, the first annular protrusion 4121, the shoulder 413, the first groove body 414, the first hole body 415, and the inserting portion 416.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Further, it should be noted that the terms "axial," "radial," "one end," "bottom surface," "inner," "outer," "one side," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the elements referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be construed as limiting the invention, and the terms "first," "second," and the like are used for descriptive purposes only and are not intended to indicate or imply relative importance.

Example (b):

as shown in fig. 1 to 4, a lipstick tube includes a base 1, a cover 2 and a central core 3, the base 1 and the cover 2 may be in a shape of a circular tube, a rectangular tube or other different forms, the cover 2 and the base 1 have inner cavities respectively, the cover 2 can be connected with the cover 2 in a closing manner through a closing mechanism 4, the cover 2 and the base 1 form a space for accommodating the central core 3 after being closed, one end of the central core 3 is fixedly connected with the base 1, the central core 3 is used for accommodating cosmetics, and the cosmetics may be lipstick, concealer, skin whitening stick or sunscreen stick. When the cosmetic is used, the cover body 2 is opened, the cosmetic is exposed by the core 3 during operation, and the cosmetic is hidden by the core 3 during operation, and the cover body 2 is closed and connected with the base 1.

Preferably, the closing mechanism 4 at least comprises a shoulder sleeve 41, the shoulder sleeve 41 is fixedly connected with the base 1, the shoulder sleeve 41 is provided with a clamping part 411 and a sealing element 412 which are connected with the cover body 2 in a closing way, the shoulder sleeve 41 is connected with the cover body 2 in a closing way through the clamping part 411, the cover body 2 presses the sealing element 412 to form an airtight effect, the sealing element 412 can be pressed with the inner wall of the cover body 2 and also can be pressed with the end surface or the bottom surface of the cover body 2, the connection is tight and firm, the sealing effect is good, cosmetics in the cover opening red tube can be prevented from volatilizing, drying, hardening and the like, and therefore the moisturizing, color preserving, freshness keeping and the like of the.

Preferably, the sealing element 412 is made of elastic plastic or elastic rubber, and the sealing element 412 and the harder shoulder sleeve 41 are integrally formed through double-shot injection molding, so that the combination strength is high, the slip resistance is good, the structure is more stable and firm, for example, the sealing element can be formed through one-shot injection molding by a double-shot injection molding machine, can also be formed through two-shot injection molding by two injection molding machines, and can also be formed through one-shot processing by a 3D printer. In addition, the closing mechanism 4 and the base 1 may be integrated, so that the shoulder sleeve 41 is a part of the base 1, that is, the sealing member 412 and the base 1 are integrally formed by two-shot molding, so that the connection is tighter and the structure is more stable.

Preferably, the sealing element 412 and the shoulder sleeve 41 may be made of the same color or different colors, and may be transparent or opaque, the sealing element 412 may be made of TPE (thermoplastic elastomer) or other similar softer materials, the shoulder sleeve 41 may be made of PP (polypropylene), PETG (amorphous copolyester), ABS (thermoplastic polymer), PC (polycarbonate), PA (nylon) or other harder materials, the sealing element 412 made of soft rubber and the shoulder sleeve 41 made of hard rubber are integrally molded by a two-color injection molding machine, and the two-color injection molding machine has high strength, good slip resistance, high elasticity, environmental protection, no toxicity, and improved attractiveness and added value of the product.

Preferably, the shoulder sleeve 41 has a shoulder 413 which is press-fitted against the end surface or the bottom surface of the lid body 2, the sealing member 412 is provided on the shoulder 413, when the lid body 2 and the shoulder sleeve 41 are closed and connected, the engaging portion 411 of the shoulder sleeve 41 extends into the inside of the lid body 2 and is engaged with the lid body 2, the end surface or the bottom surface of the lid body 2 and the shoulder 413 of the shoulder sleeve 41 are pressed together and press the sealing member 412 on the shoulder 413 to form an airtight effect, the connection is tighter and firmer, the sealing effect is better, the cosmetics in the lipstick tube can be prevented from volatilizing, drying, hardening and the like, and the moisturizing, color preserving, freshness keeping and the like of the cosmetics are ensured.

Preferably, the sealing member 412 is formed with a first annular protrusion 4121 which is in sealing engagement with the cover 2, the first annular protrusion 4121 is higher than the end surface of the shoulder 413 which is in engagement with the cover 2, and the end surface or the bottom surface of the cover 2 presses the first annular protrusion 4121 of the sealing member 412 and is pressed together with the shoulder 413, so that an airtight effect is formed, the structure is more compact, and the sealing effect is better. In addition, the end surface or the bottom surface of the lid body 2 may be provided with an annular groove which is engaged with the first annular protrusion 4121, and the size of the first annular protrusion 4121 is larger than that of the annular groove, so that the airtight effect is better after the end surface or the bottom surface of the lid body 2 presses the first annular protrusion 4121.

Preferably, the shoulder 413 is provided with a first groove 414 matched with the sealing element 412, the first groove 414 is provided with a plurality of first holes 415 for reinforcing connection with the sealing element 412, the first holes 415 can be uniformly distributed on the bottom surface of the first groove 414, and one or two first holes 415 can be provided according to specific product size, so that the shoulder sleeve 41 and the sealing element 412 are combined more tightly after double-color injection molding, and the structure is more stable and firm.

Preferably, be provided with at least one first arch 4111 on the joint 411, the inboard of lid 2 is provided with the first recess 21 of being connected with first arch 4111 block, first arch 4111 cooperatees with first recess 21, thereby realize that shoulder cover 41 is connected with the block of lid 2, first arch 4111 can be a plurality of along circumferencial direction (radial) equipartition, also can be annular protrusion, first recess 21 can be with the corresponding complex annular groove of first arch 4111, convenient operation, it is firm to connect, stability is good.

Preferably, the base 1 is connected with the shoulder sleeve 41 through ultrasonic bonding, the second groove body 11 matched with the shoulder sleeve 41 is arranged on the base 1, mechanical pressure can be generated between material molecules through ultrasonic bonding, heat is released, materials at a joint are softened and bonded, solvent bonding is replaced by the ultrasonic bonding, the sealing effect is good, energy is saved, the environment is protected, the efficiency is high, and therefore the base 1 and the shoulder sleeve 41 are connected more tightly and firmly, the structure is more compact, and the stability is better. In addition, the shoulder sleeve 41 can be provided with an inserting part 416 matched with the second groove body 11, the outer diameter of the inserting part 416 is smaller than that of the shoulder part 413, and the inserting part 416 can be further provided with a plurality of bulges matched with the bottom surface of the second groove body 11, so that after the shoulder sleeve 41 is ultrasonically bonded with the base 1, the connection is firmer.

Preferably, as shown in fig. 5 to 7, a specific structure of the middle bundle core 3 is provided, that is, a first scheme is that the middle bundle core 3 includes a middle bundle 35, a middle section 36, a second spiral 38 and a second bead 37, which are coaxially and sequentially penetrated, the second spiral 38 is fixedly connected with the base 1, the middle bundle 35 is fixedly connected with the middle section 36, the middle section 36 and the second spiral 38 are axially fixed and can relatively rotate in a circumferential direction, and the middle section 36 can limit the second bead 37 to perform circular motion along with the second spiral 38 and only perform axial motion. When the cosmetic container is used, cosmetics are contained on the second beads 37, the second spiral 38 rotates circularly relative to the middle section 36 through the middle beam 35, the second beads 37 move axially along with the circular motion of the second spiral 38 under the limitation of the middle section 36, so that the cosmetics are exposed and can be used, and after the cosmetics are used, the cosmetics are hidden through the middle beam 35 which rotates reversely, and the cosmetic container is simple and convenient to operate.

Preferably, the second screw 38 is provided with an annular protrusion 382 at the outer side, and the middle section 36 is provided with an annular groove 362 at the inner side, which is matched with the annular protrusion 382, so that the second screw 38 and the middle section 36 are axially fixed and can only rotate relatively in the circumferential direction.

Preferably, the second bead 37 has a screw rod 371 matched with the second spiral 38, the screw rod 371 has a second spiral groove 3711, the inner wall of the second spiral 38 is provided with a second protrusion 381 extending into the second spiral groove 3711, the middle section 36 is provided with a first through hole 361 for the screw rod 371 to pass through and limit the rotation of the screw rod 371 in the circumferential direction, the screw rod 371 and the first through hole 361 may be square columns or other polygonal columns, etc., so that the screw rod 371 cannot rotate circumferentially in the first through hole 361, i.e., the first through hole 361 has the function of limiting and guiding the screw rod 371. In use, the second screw 38 and the middle section 36 rotate relatively in the circumferential direction, the screw rod 371 is engaged with the second protrusion 381 of the second screw 38, and the screw rod 371 can only move axially under the restriction of the first through hole 361.

Preferably, as shown in fig. 8 to 10, another specific structure of the middle bunch core 3 is provided, that is, the second embodiment, the middle bunch core 3 includes a middle sleeve 31, a first spiral 34, a fork 32 and a first bead 33, which are coaxially and sequentially sleeved, the fork 32 is fixedly connected with the base 1, the middle sleeve 31 is fixedly connected with the first spiral 34, and the first spiral 34 and the fork 32 are axially fixed and can relatively rotate in the circumferential direction. When the cosmetic container is used, cosmetics are contained on the first beads 33, the first spiral 34 rotates circumferentially relative to the fork 32 through the middle sleeve 31, the first beads 33 move axially along with the first spiral 34, and therefore the cosmetics are exposed and can be used, after the cosmetic container is used, the cosmetics are hidden by rotating the middle sleeve 31 reversely, and the cosmetic container is simple and convenient to operate.

Preferably, the two ends of the outer side of the fork 32 along the axial direction are respectively provided with a first limit step 322, and the first screw 34 is located between the two first limit steps 322, so that the first screw 34 and the fork 32 are axially fixed and can only perform relative rotation in the circumferential direction.

Preferably, the inner wall of the first spiral 34 is provided with a first spiral groove 341, the fork 32 has a guide groove 321 provided in the axial direction, and the outer side of the first bead 33 has a first projection 331 penetrating through the guide groove 321 and protruding into the first spiral groove 341. In use, the first screw 34 is rotated circumferentially relative to the fork 32 and the first beads 33 are moved axially along the first helical groove 341 and the guide groove 321 by the first projection 331.

In addition, according to the specific requirements of customers, anti-skid textures can be arranged on the exposed part of the base 1 or the cover body 2, so that the operation is more convenient, electroplating or spraying and the like can be carried out on the exposed part of the base 1, the cover body 2 or the shoulder sleeve 41, and plastic products are electroplated, so that not only can good metal texture be realized, the appearance is attractive, but also the weight of the products can be reduced, the defects of the plastic are compensated while the appearance and the decoration of the plastic are effectively improved, the performances of the plastic in the aspects of electricity, heat, corrosion resistance and the like are improved, and the characteristics of the plastic and the metal are fully exerted into a whole.

Compared with the prior art, the beneficial effects of the utility model are that: the shoulder cover 41 is connected with the cover body 2 in a closed mode through the clamping portion 411 of the shoulder cover 41, the cover body 2 extrudes the sealing element 412 to form an airtight effect, the operation is simple and convenient, the sealing performance is good, dust, air and the like can be effectively prevented from entering the inside of the lipstick tube when the lipstick tube is not used, the cosmetics inside the lipstick tube are prevented from volatilizing, drying, hardening, even deteriorating and the like, the moisture preservation, the color preservation, the freshness preservation and the like of the cosmetics are guaranteed, the sealing element 412 made of soft materials and the shoulder cover 41 are integrally formed through double-color injection molding, the combination strength is high, the slip resistance is good, the structure is more stable and firm, the service life of the cosmetics in the lipstick tube is prolonged, the stability, the reliability and the application range of the lipstick tube are improved, and the market competitiveness of.

The foregoing description is only illustrative of some embodiments of the present invention, and it should be understood that modifications and substitutions can be made by those skilled in the art without departing from the inventive concept, and all such modifications and substitutions should be considered within the scope of the appended claims. In this case all the details may be replaced with equivalent elements, and the materials, shapes and dimensions may be any.

Claims

1. The utility model provides a lipstick tube, its characterized in that, includes base (1), lid (2) and well bundle core (3), lid (2) through closure mechanism (4) can with lid (2) closed connection holds in order to form the space of well bundle core (3), well bundle core (3) with base (1) fixed connection, closure mechanism (4) including with base (1) fixed connection's shoulder cover (41), be provided with on shoulder cover (41) with lid (2) closed connection's block portion (411) and sealing member (412), sealing member (412) be elastic plastic or elastic rubber and with shoulder cover (41) are through double-shot injection molding integrated into one piece.

2. A lipstick tube as claimed in claim 1, characterised in that said shoulder sleeve (41) has a shoulder (413) which is press-fitted against the end face of said cover (2), said seal (412) being provided on said shoulder (413), said engaging portion (411) being able to project inside said cover (2) and being snap-coupled with said cover (2).

3. A lipstick tube as claimed in claim 2, characterised in that said seal (412) is formed with a first annular projection (4121) in sealing engagement with said cap (2).

4. The lipstick tube as claimed in claim 2 wherein said shoulder (413) is provided with a first groove (414) matching with said sealing member (412), said first groove (414) is provided with a plurality of first holes (415) for reinforcing connection with said sealing member (412).

5. A lipstick tube as claimed in claim 2, characterised in that said engaging portion (411) is provided with at least one first protrusion (4111), and the inner side of said cover (2) is provided with a first groove (21) engaged with said first protrusion (4111).

6. The lipstick tube as claimed in claim 1, wherein said base (1) is ultrasonically bonded to said shoulder sleeve (41), said base (1) being provided with a second channel (11) which is engaged with said shoulder sleeve (41).

7. The lipstick tube as claimed in any of claims 1 to 6 wherein said core (3) comprises a central sleeve (31), a first spiral (34), a fork (32) and a first bead (33) coaxially sleeved in sequence, said fork (32) is fixedly connected with said base (1), said central sleeve (31) is fixedly connected with said first spiral (34), said first spiral (34) is axially fixed with said fork (32) and can rotate relatively in circumferential direction, said first bead (33) can move axially with the circumferential movement of said first spiral (34) to hide or expose the cosmetics placed thereon.

8. A lipstick tube as claimed in claim 7, characterised in that the inner wall of said first spiral (34) is provided with a first spiral groove (341), said fork (32) has a guide groove (321) arranged axially, the outer side of said first bead (33) has a first projection (331) passing through said guide groove (321) and projecting into said first spiral groove (341).

9. The lipstick tube as claimed in any one of claims 1 to 6 wherein said central core (3) comprises a central core (35), a central section (36), a second spiral (38) and a second bead (37) coaxially sleeved in sequence, said second spiral (38) is fixedly connected with said base (1), said central core (35) is fixedly connected with said central section (36), said central section (36) and second spiral (38) are axially fixed and can relatively rotate in circumferential direction, said second bead (37) can axially move with the circumferential movement of said second spiral (38) through the limitation of said central section (36) to hide or expose the cosmetics placed thereon.

10. The lipstick tube as claimed in claim 9, wherein said second bead (37) has a screw rod (371) matching with said second spiral (38), said screw rod (371) has a second spiral groove (3711), the inner wall of said second spiral (38) is provided with a second protrusion (381) protruding into said second spiral groove (3711), said middle segment (36) is provided with a first through hole (361) for said screw rod (371) to pass through and limit the rotation of said screw rod (371) in the circumferential direction.