JPH0317780Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a cartridge-type airtight container used for solid cosmetics such as lipsticks and eye shadows, especially volatile cosmetics.

(Prior Art) Conventionally, containers for storing volatile cosmetics and maintaining airtightness have been manufactured with various structures as disclosed in Publication of Utility Model Publication No. 56-39451, Publication of Utility Model Publication No. 57-44886, etc. are known. Also, cartridge-type cosmetics that can be used for a long period of time are disclosed in Japanese Utility Model Publication No. 56-39457 and Japanese Utility Model Publication No. 54.
It is disclosed in Publication No. 24529, Japanese Utility Model Publication No. 57-48627, etc.

(Problems to be solved by the invention) However, the former type of cosmetic container with an airtight structure has the drawback that it is a disposable container that cannot be replaced as needed, and is wasteful and costly. Furthermore, the latter cartridge type had problems such as not ensuring airtightness or insufficient connection with the feeding mechanism.

Therefore, this invention is a solution to the above-mentioned conventional problems.It has excellent airtightness, prevents the volatilization of volatile components of cosmetics, does not cause quality deterioration, and also provides cosmetics with excellent airtightness. To obtain a cartridge type airtight container which can be easily replaced and used for a long period of time, and can smoothly dispense and store cosmetics.

(Means for Solving the Problem) As a means to achieve this, this invention includes an outer cylinder, a feeding mechanism installed in the outer cylinder and having a sliding shaft that moves forward and backward by the feeding operation, and an outer cylinder. A cartridge body which is replaceably attached to and detached from the cylinder and which is filled with cosmetics, and a claw piece at the rear end that holds the cosmetics in the cartridge body and is connected to the sliding shaft of the feeding mechanism; A rib or an O-ring is provided on the inner wall of the cartridge so that it slides in an airtight manner, and a core chuck that allows the cosmetic material to enter and exit from the tip of the cartridge body and an inner plug that elastically fits into the tip of the cartridge body are inserted and fixed, and the inner plug is inserted and fixed. It consists of a cap body that is removably attached to a cylinder.

(Example) An example of a specific configuration of this invention shown in the drawings will be described in detail below.

Figures 1 and 2 show the first embodiment of this invention, in which 1 is a cylindrical outer cylinder, 2 is a threaded cylinder 2 with a thread 3 formed on the inner surface, and the large diameter part 4 at the rear end is outside. It is fitted into the cylinder 1, and a ring-shaped protrusion 6 is provided protruding from the rear of the small diameter portion 5. Reference numeral 7 denotes a joint, which is formed with a large diameter part 8 at the rear and a small diameter part 9 at the front across the cylindrical center part, and the large diameter part 8 has a cut 10 and an annular groove 11 bored on the inner surface. , insert the threaded tube 2 and remove the protrusion 6.
is fitted into the groove 11, and the threaded cylinder 2 is rotatably attached to the joint 7. Further, the small diameter portion 9 is provided with a ring-shaped rib 12 and a knurling 13 at its tip side, and a hexagonal hole 14 is bored in the center. 15
is a hexagonal prism-shaped sliding shaft, which is inserted into the hole 14 of the joint 7 so as not to rotate in the circumferential direction, and a two-thread screw 16 carved at the rear end is connected to the screw 3 of the threaded cylinder 2.
The sliding shaft 15 is mounted so that it can move forward and backward from the joint 7. Further, a quasi-bead-shaped presser 17 having a constricted portion 18 is fitted and fixed at the tip. 19
is a cylindrical cartridge body, which has a ring-shaped locking groove 20 formed on its outer circumferential surface, and a short tubular connector 22 is fitted and fixed at its rear end so as to form a groove 21 on its inner surface. . A ring-shaped groove 23 and a knurl 24 are carved on the inner surface of the coupling 22, and the rib 12 of the joint 7 is fitted into the groove 23, and the knurls 13 and 24 mesh with each other to form the joint 7. The small diameter portion 9 and the connector 22 are fixed in the circumferential direction and the front-rear direction, and the cartridge body 19 is connected to the joint 7. However, if the cartridge body 19 is strongly pulled, the rib 12 of the joint 7 will be separated by the groove 23 of the coupling member 22, and the cartridge body 19 can be removed. Reference numeral 25 denotes a core chuck, which is formed into a holding cylinder 27 on the front side with a central partition wall 26 in between, and has a thin ring-shaped rib 28 protruding from the outer edge of its tip, and also has a ring-shaped locking protrusion 29 on its inner peripheral surface. form. On the other hand, four elastic pieces 30 are provided protruding from the rear side of the partition wall 26, and engagement protrusions 31, 32 are provided protruding from the inner and outer surfaces of the tips thereof, and a spring 33 is fitted into the inner surface. The engaging protrusion 32 of the core chuck 25 is fitted into the groove 21 of the cartridge body 19 so as to make elastic contact, and the core chuck is inserted so that the rib 28 at the tip is in airtight contact with the inner wall surface of the cartridge body 19. 25
is positioned behind the cartridge body 19, and the cosmetic A containing volatile components filled in the cartridge body 19 is securely held by the holding cylinder 27 and the locking projection 29 of the core chuck 25. Reference numeral 34 denotes a cap body, and an inner plug 35 in the shape of a short cylinder with a bottom is fixed to the inner end thereof. The inner plug 35 is made of an elastic material, and has two ring-shaped elastic ribs 36 protruding from the inner surface of the distal end side. Maintains airtightness by elastically adhering to the outer peripheral surface. Reference numeral 37 denotes a middle tool, which has a ring-shaped protruding edge 38 protruding from its center, whose proximal end is fitted into and fixed to the tip of the outer cylinder 1, and whose distal end has a bulging portion 39 that elastically fits into the cap body 34. and a cartridge body 1 in at least one place.
An elastic pawl 40 that fits into the locking groove 20 of No. 9 is cut and formed.

With this structure, when not in use, the connector 2 of the cartridge body 19 is attached to the small diameter portion 9 of the joint 7.
2 are integrally connected, and the pusher 1 at the tip of the sliding shaft 15
7 is inserted into the open elastic piece 30 of the core chuck 25. Further, the cap body 34 is fitted into the inner fitting 37 at the tip of the outer cylinder 1, and the elastic claw 40 is inserted into the locking groove 20.
At the same time, the elastic rib 36 of the inner stopper 35 is brought into airtight contact with the tip of the cartridge body 19, and the cosmetic A is held in an airtight state at both ends by the elastic rib 36 and the rib 28 of the core chuck 25. This ensures that the volatilization of volatile components is prevented.

When in use, the cap body 34 is pulled out from the inner fitting 37. At this time, after the elastic rib 36 of the inner stopper 35 comes off from the tip of the cartridge body 19, the bulging portion 3 is removed.
9, the cap body 34 comes off, and the elastic claw 40 separates from the locking groove 20 of the cartridge body 19.
When the cap body 34 is removed, the cartridge body 1 is removed.
9 is never extracted together. Next, by gripping the cartridge body 34 and the outer cylinder 1 and rotating the outer cylinder 1, the sliding shaft 15 screwed into the threaded cylinder 2 is released.
advances through the hole 14, and the pusher 17 at its tip
In order to press the core chuck 25, the core chuck 2
The outer engaging protrusion 32 of the elastic piece 30 of No. 5 is connected to the groove 21.
The elastic piece 30 is bent inward by the inner surface of the cartridge body 19, and the inner engaging protrusion 31
is inserted into the constricted portion 18 of the presser 17 and connected integrally, and the core chuck 25 is connected to the cartridge body 19.
The cosmetic material A is advanced inward and protrudes from the tip so that it can be applied. Moreover, when the makeup is finished, by rotating the sliding shaft 15 in the opposite direction to the above and retracting the sliding shaft 15, the core chuck 25 integrally connected thereto can hold the cosmetic A and immerse it into the cartridge body 19. is possible,
When the cap body 34 is covered, the cosmetic A is again held in an airtight state by the elastic ribs 36 and 28. Furthermore, when the cosmetic A runs out, by pulling the cartridge body 19, the connector 22 is separated from the rib 12 of the small diameter part 9 at the tip of the joint 7, and the core chuck 2 is removed.
When the engaging protrusion 30 of No. 5 comes to the groove 21, the elastic piece 3
0 engagement protrusion 31 at the tip of the sliding shaft 15
7 is also released, the connection between the core chuck 25 and the presser 17 is released, and the cartridge body 19 can be removed. Therefore, a new cartridge body 19 is operated in the opposite manner to the above. Can be exchanged.

FIG. 3 shows a second embodiment. In this embodiment, the cartridge body is of a screw-in type, and an O-ring is used as an airtight means for the core chuck portion, and a screw 43 is installed inside the outer cylinder 41. A threaded tube 42 having a engraved therein is fitted and fixed, and the base of the joint tube 44 is fitted to the tip thereof, and a groove pipe 45 fixed to the joint tube 44 is passed through the inside of the screw tube 42 to form a protrusion at the rear end. A spring 46 is inserted between 45a and the rear end of the threaded cylinder 42.
The joint tube 44 and the groove pipe 45 are rotatably connected to the threaded tube 42 by fitting the groove pipe 4
A push shaft 47 is inserted into the slide shaft 47, and a projecting piece 47a at the rear end of the sliding shaft 47 projects from the groove 45b of the groove pipe 45 and engages with the screw 43 of the threaded cylinder 42. Further, a screw 44a is cut into the inner surface of the tip end of the joint tube 44, and a screw 48a of the cartridge body 48 is removably screwed into the screw 44a. The cartridge body 48 has a rear end inner surface formed with a large diameter, and a bush 49 is fixed to the rear end to form a groove 50. Also, cartridge body 4
8 is filled with cosmetic A, and a core chuck 51 for holding it is fitted. Core chuck 51
is an O-ring 52 instead of the rib in the first embodiment.
is fitted to maintain airtightness with the cartridge body 48, and the other components, such as a holding cylinder 53, an elastic piece 54 having engagement protrusions on the inner and outer surfaces, and a spring 55 are the same as those in the first embodiment. The piece 54 engages and disengages the pusher 47b at the tip of the sliding shaft 47. The cap body 56 also has elastic ribs 5 at the inner end, similar to the first embodiment.
An inner stopper 57 having a diameter of 8 is fitted, and the opening tip is removably attached to a middle fitting 59 fixed to the outer cylinder 41.

With this structure, when not in use, the cosmetic A in the cartridge body 48 is stored in the cap body 56.
The elastic rib 58 of the inner plug 57 and the O of the core chuck 51
Both ends are reliably held in an airtight state by the ring 52, and when in use, the threaded tube 42 and the grooved pipe 4 are
The sliding shaft 47 advances and retreats due to the relative rotation of the cosmetic material A held by the core chuck 51 that is integrated with the sliding shaft 47.
appears and disappears from the cartridge body 48. Further, when replacing the cartridge body 48, the cartridge body 48 is unscrewed from the joint tube 44 and replaced with a new cartridge body 48.

FIG. 4 shows a third embodiment. In this embodiment, the cartridge body is of a fitting type, and the cosmetic delivery mechanism is of a backward rotation type. That is, the feeding portion 62 and the cartridge body fitting portion 63 are formed with the partition wall 6 at the center of the outer cylinder 60 sandwiched therebetween, and the feeding portion 62
A screw 64 is carved on the inner peripheral surface of the holder, and a ring groove 65 is formed at the rear end, and a knob 66 is rotatably fitted into the ring groove 65.
A sliding shaft 69 is attached to a cylindrical slide tube 67 protruding from the
and insert the engagement piece 70 at the rear end of the sliding shaft 69 into the cut groove 68 formed in the slide tube 67 to connect the outer cylinder 60.
At the same time, the tip of the sliding shaft 69 is made to protrude into the cartridge body fitting part 63 so as to be freely advanced and retracted. The cartridge body 71 has an obliquely cut end, a large inner diameter at the rear end, and a bushing 7 at the rear end.
2 is fixed to form a groove 73. Further, a cosmetic A and a core chuck 74 for holding the same are fitted into the cartridge body 71. As in the second embodiment, the core chuck 74 is kept airtight with the cartridge body 71 by an O-ring 75 in the center, and has a holding cylinder 76 at the front and an elastic piece with engaging protrusions projecting on the inner and outer surfaces at the rear. 77, and the elastic piece 77 engages and disengages the pusher 69a at the tip of the sliding shaft. Further, the cartridge body 71 is connected to the cartridge body fitting portion 63 of the outer cylinder 60.
A stepped portion 71a that comes into contact with the tip of the outer cylinder when inserted into the housing, and ribs 78 and knurling 79 for fitting and fixing are formed. As in the second embodiment, the cap body 80 has an inner plug 81 fitted therein having an elastic rib 82 at the inner end.

With this structure, when not in use, the cosmetic A in the cartridge body 71 is transferred to the cap body 80.
The elastic rib 82 of the inner plug 81 and the O of the core chuck 74
Both ends are reliably held in an airtight state by a ring 75, and when in use, the engagement piece 7 engages with the screw 64 and the cut groove 68 by rotation of the knob 66.
0, the sliding shaft 69 moves forward and backward, and the cosmetic A held in the core chuck 74 integrated with the sliding shaft 69 emerges and retracts from the cartridge body 71. Furthermore, the cartridge body 7
1, it is pulled out from the tip of the outer cylinder 60 and replaced with a new cartridge 71.

(Effects of the invention) As described above in detail with respect to the various embodiments, in this invention, the feeding mechanism that brings out and takes out the cosmetic tool is installed completely separate and independent from the cartridge body, so it is easy to attach and remove the cartridge body. This can be done quickly and smoothly without requiring any troublesome operations, and since the cartridge and sliding shaft are firmly connected by the claws of the core chuck, there is no sliding resistance from ribs, etc. The cosmetic can slide smoothly inside the cartridge, and installation is also reliable and easy. In addition, the tip of the installed cartridge body is securely closed by the airtight means of the inner plug inside the cap, while the rear end is securely closed by the airtight means of the core chuck to prevent volatile components of the cosmetic from evaporating. It has various excellent effects such as being able to be used for a long time without causing any change.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional side view of the first embodiment of this invention;
FIG. 2 is a partially exploded perspective view, FIG. 3 is a longitudinal side view of the second embodiment, and FIG. 4 is a longitudinal side view of the third embodiment. 1...Outer tube, 2...Threaded tube, 3...Screw, 7...
...Joint, 15...Sliding shaft, 16...Screw, 17...
... Presser, 19 ... Cartridge body, 21 ... Concave groove, 22 ... Connector, 25 ... Core chuck, 27
... Holding tube, 28 ... Rib, 30 ... Elastic piece, 3
4... Cap body, 35... Inner stopper, 36... Elastic rib, A... Cosmetics.

Claims (1)

[Scope of utility model registration request] an outer cylinder; a feeding mechanism disposed within the outer cylinder and having a sliding shaft that advances and retreats according to a feeding operation; a cartridge body that is replaceably attached to and removed from the outer cylinder and filled with a cosmetic; The cosmetic material inside the cartridge body is held, and the rear end has a claw piece that is connected to the sliding shaft of the feeding mechanism, and an O-ring made of an elastic rib or an elastic body that comes into close contact with the inner wall surface of the cartridge body is provided so that the cosmetic material can be slid in an airtight manner. A cartridge type consisting of a core chuck that moves and allows cosmetics to enter and exit from the tip of the cartridge body, and a cap body that inserts and fixes an inner stopper that elastically adheres to the tip of the cartridge, and that is detachably attached to the outer cylinder. Airtight container.