CN215583368U

CN215583368U - Sheath structure suitable for cosmetic pencil or lipstick

Info

Publication number: CN215583368U
Application number: CN202121422134.4U
Authority: CN
Inventors: 冯海锋
Original assignee: Ningbo Jieli Cosmetical Package Co ltd
Current assignee: Ningbo Jieli Cosmetical Package Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-21
Anticipated expiration: 2031-06-24

Abstract

The utility model relates to the technical field of cosmetic pens, in particular to a sheath structure suitable for a cosmetic pen or lipstick, which comprises: a tube body which is hollow inside and is used for accommodating a cosmetic pencil core or a lipstick core; the sheath is arranged at the front end of the tube body and movably clamped with the tube body; the protective sleeve is internally provided with a sealing sleeve, and the front end of the pipe body is inserted into the sealing sleeve and clings to the inner wall of the sealing sleeve. According to the utility model, the sealing sleeve is arranged in the sheath, and the gap between the tube body and the sheath is sealed by the sealing sleeve, so that the problem that the refill in the pen is dried and cannot be used due to volatile moisture is solved.

Description

Sheath structure suitable for cosmetic pencil or lipstick

Technical Field

The utility model relates to the technical field of cosmetic pens, in particular to a sheath structure suitable for a cosmetic pen or lipstick.

Background

In the existing cosmetic pencils such as eyebrow pencils and lipstick, the refill inside the cosmetic pencils is relatively wet or has certain liquid to ensure normal use, but the design can involve that water is easy to volatilize, so that the lipstick or the eyebrow pencils are dry and cannot be normally used.

The existing shells are all formed by plastic, the cap and the main body are connected in a clamping manner, and because the plastic is hard, gaps exist at the connected parts, so that the problem of water volatilization cannot be solved, and if the matching is too tight, the problem of difficult separation exists, so that the use is troublesome; in addition, the over-tight matching can also cause that a larger sound is produced when the plug is pulled out, and the experience feeling is poorer; therefore, it is urgent to solve the problem of moisture volatilization.

Disclosure of Invention

The utility model aims to provide a sheath structure suitable for a cosmetic pencil or lipstick.

The purpose of the utility model is realized as follows:

a sheath construction for a cosmetic pencil or lipstick comprising:

a tube body which is hollow inside and is used for accommodating a cosmetic pencil core or a lipstick core;

the sheath is arranged at the front end of the tube body and movably clamped with the tube body;

the protective sleeve is internally provided with a sealing sleeve, and the front end of the pipe body is inserted into the sealing sleeve and clings to the inner wall of the sealing sleeve.

Preferably, the tube body is a pen tube;

a pen phase installed inside the tube body;

the pen point is rotatably arranged at the front end of the tube body, and a movable cavity for accommodating the pen core is formed in the pen point;

the inner rod is arranged in the pen phase, the front end of the inner rod is arranged in the movable cavity, and the end part of the pen core is clamped at the front end of the inner rod.

Preferably, the inner wall of the sealing sleeve is a sealing section and a clamping section, and the diameter of the sealing section is smaller than that of the clamping section.

Preferably, a convex ring is formed on the clamping section, and the pen point penetrates through the sealing sleeve, so that the outer wall of the front end of the pipe abuts against the convex ring.

Preferably, the outer wall of the front end of the sealing sleeve is formed with an abutting inclined surface, the inner wall of the sheath is formed with an abutting inclined table, and when the sealing sleeve is installed in the sheath, the abutting inclined surface is tightly attached to the abutting inclined table for reducing the diameter of the front end of the sealing sleeve.

Preferably, the inner wall of the rear end of the gland is formed with a guide surface for guiding the front end of the pipe body to be inserted into the gland.

Preferably, the sealing sleeve is provided with an opening at the rear end and a closed front end, and a sealing cavity for accommodating the pen tip is formed in the sealing sleeve.

Preferably, the sealing sleeve is made of rubber.

Preferably, the inner wall of the movable cavity is provided with a plurality of convex ribs for surrounding and approaching the pen core;

the outer wall of the front end of the inner rod is formed with a plurality of grooves, and the grooves are matched with the convex ribs, so that the inner rod moves along the convex ribs.

Preferably, a plurality of arc-shaped sheet bodies are formed at the front end part of the inner rod, the arc-shaped sheet bodies surround to form an installation cavity, and the installation cavity is used for installing the pen core; the gap between the arc-shaped sheet bodies forms the groove;

the inboard of arc lamellar body all the shaping has sharp muscle, and a plurality of point muscle surrounds the laminating the refill to centre gripping refill.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

1. according to the utility model, the sealing sleeve is arranged in the sheath, and after the sheath is connected with the tube body, the sealing sleeve can seal a gap between the tube body and the sheath, so that the space in the sheath is sealed, the situation that the refill cannot be used due to water volatilization is avoided, and the normal use of a cosmetic pencil or a lipstick is ensured.

2. The diameter of the sealing section of the utility model is smaller than that of the clamping section, so that the design is matched with the conical design of the front end of the pipe body, the sealing sleeve can seal the pipe body more tightly and in a large range, and the sealing effect is ensured.

Drawings

Fig. 1 is an overall sectional view of embodiment 1 of the present invention.

Fig. 2 is an overall sectional view of the pen of embodiment 1 of the present invention with the pen core removed.

Fig. 3 is an enlarged view of the area a of fig. 2.

Fig. 4 is a sectional view of the sheath and the sealing sleeve of embodiment 1 of the present invention.

Fig. 5 is a partial sectional view of embodiment 1 of the present invention.

Fig. 6 is an assembly structure diagram of the inner rod and the pen phase in embodiment 1 of the present invention.

Fig. 7 is a schematic structural diagram of embodiment 2 of the present invention.

Reference numerals: 1-a pipe body; 2-pen phase; 3-a pen point; 4-a movable cavity; 5-a pen core; 6-inner rod; 7-a sheath; 8-sealing sleeve; 9-a sealing section; 10-a clamping section; 11-a convex ring; 12-an abutment ramp;

13-an abutment ramp; 14-a guide surface; 15-sealing the cavity; 16-convex ribs; 17-a groove; 18-an arc-shaped sheet body; 19-mounting a cavity; 20-sharp tendon.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-2, a sheath structure of a cosmetic pencil comprises a tube body 1, a pencil phase 2, a pencil point 3, an inner rod 6 and a sheath 7, wherein the tube body 1 is hollow, the pencil phase 2 is installed inside the tube body 1 and clamped with the tube body 1 to realize connection of the pencil phase and the tube body, the pencil point 3 is installed at the front end of the tube body 1 and can rotate relatively, the pencil point 3 is provided with a movable cavity 4 for accommodating a pencil lead 5, the movable cavity 4 penetrates through two end faces of the pencil point 3, the inner rod 6 is installed inside the pencil phase 2, a thread is formed on the outer wall of the inner rod 6, and a protrusion matched with the thread is arranged inside the pencil phase 2, so that the inner rod 6 can be screwed into or out of the pencil phase 2, and the pencil lead 5 extends out or retracts into the pencil point 3; the sheath 7 is mainly installed at the front end of the tube body 1 and is clamped with the tube body 1, and when the pen is not used, the purpose of protecting the pen core 5 is achieved.

As shown in fig. 3, because parts such as sheath 7 and body 1 all adopt plastics injection moulding, it is hard itself, and both direct connections are generally all through the joint, and for the convenience of use, both direct joints can not be too tight, also can not too pine, just so lead to having certain gap between the two, after not using for a long time, the moisture in the refill 5 is very easy to be followed the gap and is lost. In order to solve this problem and install a seal cover 8 in sheath 7, pass seal cover 8 when nib 3, the front end of body 1 inserts in this seal cover 8, and the 8 inner walls of seal cover are hugged closely to body 1 front end, and body 1 and 7 joint of sheath simultaneously realize the joint and sealed between sheath 7 and the body 1, prevent that moisture from volatilizing.

The cosmetic pencil may be a liquid eyebrow pencil, or other cosmetic product with certain liquid.

According to the cosmetic pencil, the sealing sleeve 8 is arranged in the sheath 7, and after the sheath 7 is connected with the tube body 1, the sealing sleeve 8 can seal a gap between the tube body 1 and the sheath 7, so that the space in the sheath 7 is sealed, the situation that the pencil core 5 cannot be used due to water volatilization is avoided, and the normal use of the cosmetic pencil is ensured.

If use the sealing washer to seal, because the sealing washer volume is less, be difficult to fix to the sheath 7 in, drop easily and lose, the sealing washer still damages easily simultaneously, and it is inconvenient wholly to use, so adopt the design of the seal cover 8 of this application. ,

as shown in fig. 4, in order to make the sealing sleeve 8 and the pipe body 1 be laminated closely, the inner wall of the sealing sleeve 8 is a sealing section 9 and a clamping section 10, the diameter of the sealing section 9 is smaller than the diameter of the clamping section 10 to form a conical cavity to match the conical shape of the pen point 3 and the front end of the pipe body 1, so that the pipe body 1 can be conveniently inserted into the sealing sleeve 8, and secondly, the laminating area is larger, the sealing effect can be further ensured, and the volatilization of water can be reduced.

The shaping has bulge loop 11 on joint section 10, nib 3 passes seal cover 8 for manage front end outer wall butt bulge loop 11, behind sheath 7 and the 1 joint of body, bulge loop 11 and the 1 front end outer wall butt of body, bulge loop 11 compressive deformation, the clearance between sealed body 1 and the sheath 7.

The sealing sleeve 8 and the sheath 7 can be connected by glue, the outer diameter of the sealing sleeve 8 is slightly larger than the inner diameter of the sheath 7, the sealing sleeve 8 can be made of rubber or other soft materials, the sealing sleeve 8 is installed in the sheath 7 in an interference fit mode, and the fixing mode is simple and convenient.

The sealing sleeve 8 is made of soft materials and is arranged in the hard sheath 7, and the clearance problem caused by out-of-round of products of the hard sealing sleeve arranged in the hard sheath can be solved through the matching of the soft materials and the hard materials.

Meanwhile, due to the interference fit of the hard materials, when the external temperature is high, the size of the pen can be enlarged to deform and cannot be restored, so that a gap is formed between the sheath and the pen tube, and the sealing property is damaged; and the application of the soft material has better resilience after high-temperature deformation, and the soft material can return to the initial size by itself to ensure the sealing property.

For convenient use, there is butt inclined plane 12 at the front end outer wall shaping of seal cover 8, the shaping has butt sloping platform 13 on the inner wall of sheath 7, when the seal cover 8 is installed in sheath 7, butt inclined plane 12 hugs closely butt sloping platform 13, the realization is to the butt of seal cover 8, if in the use, seal cover 8 is promoted toward sheath 7 bottom, can make seal cover 8's front end diameter reduce, make 8 front end laminating nibs of seal cover 3, can further guarantee sealed effect, prevent volatilizing of moisture, guarantee refill 5 can normal use.

Meanwhile, a guide surface 14 is formed on the inner wall of the rear end of the sealing sleeve 8 and used for guiding the front end of the tube body 1 to be inserted into the sealing sleeve 8, so that the pen point 3 can smoothly pass through the sealing sleeve 8.

As shown in fig. 5 and 6, the inner wall of the movable chamber 4 is provided with a plurality of raised ribs 16, and in this embodiment, 4 ribs 16 are taken as an example and are mainly used for reducing the inner diameter of the movable chamber 4. A plurality of arc-shaped sheet bodies 18 are formed at the front end part of the inner rod 6, the arc-shaped sheet bodies 18 surround to form an installation cavity 19, and the installation cavity 19 is used for installing the pen core 5; the gaps between the arcuate blades 18 form grooves 17.

After the arc-shaped sheet body 18 is arranged in the mounting cavity 19, the convex ribs 16 are just positioned in the grooves 17, the inner walls of the convex ribs 16 almost directly abut against the outer wall of the pen core 5 to reduce the space of the pen core 5 shaking in the movable cavity 4, so that the pen core 5 is protected, the pen core 5 is reduced, when the pen core 5 is subjected to great external force, the probability of breakage is generated, and the effect of breakage prevention is achieved.

Meanwhile, the convex ribs 16 and the grooves 17 are matched, so that the pen point 3 and the inner rod 6 cannot rotate relatively and only can move up and down, after the pen point 3 is arranged, the inner rod 6 can extend out of the tube body 1 by rotating the pen point 3, and then the pen core 5 is pushed out of the movable cavity 4, so that makeup can be carried out.

The inner side of each arc-shaped sheet body 18 is provided with a sharp rib 20, the sharp ribs 20 are attached to the pen core 5 in an encircling mode, and the pen core 5 is in interference fit with the sharp ribs 20 in the inner rod 6. After the inner rod 6 moves to the opening part of the outer end of the pen point 3, a user directly enters the pen core 5 from the opening part of the pen point 3 and forcibly extrudes the pen core 5 into the mounting cavity 19 of the inner rod 6 to complete the mounting of the pen core 5, so that the inner rod 6 can stably clamp the pen core 5, the pen core 5 is not easy to shake when in use, and the mounting of the pen core 5 is completed. This mounting action is for a cream cosmetic product, such as a lipstick.

The convex rib 16 runs through the rear end part of the pen point 3 along the length direction of the movable cavity 4, so that the inner rod 6 moves in the pen point 3, but the convex rib 16 does not run through the front end of the movable cavity 4, so the arc-shaped sheet body 18 cannot extend out of the pen point 3, the limiting effect is achieved, the whole pen point 3 is prevented from being unscrewed, the whole structure of the cosmetic pencil is disassembled, and the cosmetic pencil cannot be used normally.

Example 2:

compared with the embodiment 1, the embodiment has the same overall structure, and is different in that the embodiment 1 is designed as a sleeve with two open ends, as shown in fig. 7, while the sealing sleeve 8 of the embodiment has a structure with an open back end and a sealed front end, is similar to a cup in shape, is entirely made of rubber, eliminates an abutting inclined surface and an abutting inclined platform, is entirely arranged in the sheath 7, and forms a sealing cavity 15 for accommodating the pen tip 3 in the sealing sleeve 8. The whole package nib 3 of seal cover 8 and with body 1 front end joint, realize sealedly.

Example 3:

the related structure of the cosmetic pencil can also be applied to lipstick, and the lipstick sheath structure comprises a tube body 1, wherein the tube body is hollow and is used for accommodating a lipstick core;

the sheath 7 is arranged at the front end of the pipe body 1 and movably clamped with the pipe body 1;

install seal cover 8 in the sheath 7, the front end of body 1 inserts in this seal cover 8, and hugs closely 8 inner walls of seal cover.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A sheath construction for a cosmetic pencil or lipstick, comprising:

a tube body (1) which is hollow inside and is used for accommodating a cosmetic pencil core or a lipstick core;

the sheath (7) is arranged at the front end of the tube body (1) and movably clamped with the tube body (1);

install seal cover (8) in sheath (7), the front end of body (1) inserts in this seal cover (8), and hugs closely seal cover (8) inner wall.

2. A sheath construction adapted for use with a cosmetic pencil or lipstick as claimed in claim 1, wherein:

the tube body (1) is a pen tube;

a pen phase (2) mounted inside the tube body (1);

the pen point (3) is rotatably arranged at the front end of the tube body (1), and a movable cavity (4) for accommodating the pen core (5) is formed in the pen point (3);

the inner rod (6) is installed in the pen phase (2), the front end of the inner rod (6) is arranged in the movable cavity (4), and the end part of the pen core (5) is clamped at the front end of the inner rod (6).

3. A sheath construction for a cosmetic pencil or lipstick according to claim 1 or 2, characterized in that:

the inner wall of the sealing sleeve (8) is provided with a sealing section (9) and a clamping section (10), and the diameter of the sealing section (9) is smaller than that of the clamping section (10).

4. A sheath construction adapted for use with a cosmetic pencil or lipstick as claimed in claim 3, wherein:

a convex ring (11) is formed on the clamping section (10), and the pen point (3) penetrates through the sealing sleeve (8) so that the outer wall of the front end of the tube abuts against the convex ring (11).

5. A sheath construction adapted for use with a cosmetic pencil or lipstick according to claim 4, wherein:

the front end outer wall shaping of seal cover (8) has butt inclined plane (12), and the shaping has butt sloping (13) on the inner wall of sheath (7), and when seal cover (8) were installed in sheath (7), butt inclined plane (12) hugged closely butt sloping (13) for reduce the diameter of seal cover (8) front end.

6. A sheath construction for a cosmetic pencil or lipstick as claimed in claim 5, wherein:

and a guide surface (14) is formed on the inner wall of the rear end of the sealing sleeve (8) and used for guiding the front end of the pipe body (1) to be inserted into the sealing sleeve (8).

7. A sheath construction adapted for use with a cosmetic pencil or lipstick as claimed in claim 1, wherein:

the structure of seal cover (8) is the rear end opening, and the front end is airtight, forms sealed chamber (15) that are used for holding nib (3) in seal cover (8).

8. A sheath construction for a cosmetic pencil or lipstick according to claim 4 or 7, characterized in that:

the sealing sleeve (8) is made of rubber.

9. A sheath construction for a cosmetic pencil or lipstick according to claim 4 or 7, characterized in that:

the inner wall of the movable cavity (4) is provided with a plurality of convex ribs (16) which are used for surrounding and approaching the pen core (5);

the outer wall of the front end of the inner rod (6) is formed with a plurality of grooves (17), and the grooves (17) are matched with the convex ribs (16) so that the inner rod (6) can move along the convex ribs (16).

10. A sheath construction adapted for use with a cosmetic pencil or lipstick as claimed in claim 9, wherein:

a plurality of arc-shaped sheet bodies (18) are formed at the front end part of the inner rod (6), the arc-shaped sheet bodies (18) surround to form a mounting cavity (19), and the mounting cavity (19) is used for mounting the pen core (5); the gaps between the arc-shaped sheet bodies (18) form the grooves (17);

the inner side of the arc-shaped sheet body (18) is provided with sharp ribs (20), and the plurality of sharp ribs (20) are attached to the pen core (5) in a surrounding mode, so that the pen core (5) is clamped.