CN114403576B - Improved structure of double-ended lipstick pen - Google Patents

Improved structure of double-ended lipstick pen

Info

Publication number
CN114403576B
CN114403576B CN202111495521.5A CN202111495521A CN114403576B CN 114403576 B CN114403576 B CN 114403576B CN 202111495521 A CN202111495521 A CN 202111495521A CN 114403576 B CN114403576 B CN 114403576B
Authority
CN
China
Prior art keywords
inner sleeve
hollow
lipstick
pen tip
dust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202111495521.5A
Other languages
Chinese (zh)
Other versions
CN114403576A (en
Inventor
杨海英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shyahsin Packaging China Co Ltd
Original Assignee
Shyahsin Packaging China Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shyahsin Packaging China Co Ltd filed Critical Shyahsin Packaging China Co Ltd
Priority to CN202111495521.5A priority Critical patent/CN114403576B/en
Publication of CN114403576A publication Critical patent/CN114403576A/en
Priority to PCT/CN2022/123715 priority patent/WO2023103560A1/en
Application granted granted Critical
Publication of CN114403576B publication Critical patent/CN114403576B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/20—Pencil-like cosmetics; Simple holders for handling stick-shaped cosmetics or shaving soap while in use
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • A45D40/04—Casings wherein movement of the lipstick or like solid is a sliding movement effected by a screw
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A45D40/264—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like movable within the container
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/20—Pencil-like cosmetics; Simple holders for handling stick-shaped cosmetics or shaving soap while in use
    • A45D2040/201—Accessories

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

本发明公开一种双头口红笔改良结构，包括中束、桶子、中圈、中空螺母、内套、中空笔头、螺杆和防尘片，本发明的使用过程是：1，使用口红时：拔开口红盖，手持中束旋转中圈，中圈带动中空螺母一起转，桶子在中束内沿其轴向移动，使口红伸缩于中束，即可使用；2，使用另一端海绵头用于妆效的修补时，手持笔头顺时针旋转中圈，中圈带动内套做顺时针旋转使防尘片张开远离笔头口，同时螺杆沿相反螺牙旋向做上升靠近笔头口，海绵头上升伸出笔头，即可抹匀和修补口红，使用完后，逆时针旋转中圈，海绵头收缩远离笔头口，防尘片上升靠近笔头口，防尘片头部两密封片在笔头口部对合形成密封，保护海绵头；故本发明使用范围广，且方便消费者携带、使用。

The present invention discloses an improved structure of a double-ended lipstick pen, comprising a middle bundle, a barrel, a middle ring, a hollow nut, an inner sleeve, a hollow pen tip, a screw and a dust-proof sheet. The use process of the present invention is as follows: 1. When using lipstick: unplug the lipstick cap, hold the middle bundle and rotate the middle ring, the middle ring drives the hollow nut to rotate together, and the barrel moves along its axial direction in the middle bundle, so that the lipstick is retracted and contracted in the middle bundle, and the lipstick can be used; 2. When using the sponge head at the other end for repairing the makeup effect, hold the pen tip and rotate the middle ring clockwise, the middle ring drives the inner sleeve to rotate clockwise, so that the dust-proof sheet is opened and away from the pen tip opening, and at the same time the screw rises along the opposite screw thread rotation direction and approaches the pen tip opening, the sponge head rises and extends out of the pen tip, and the lipstick can be evenly spread and repaired. After use, rotate the middle ring counterclockwise, the sponge head shrinks and away from the pen tip opening, the dust-proof sheet rises and approaches the pen tip opening, and two sealing sheets at the head of the dust-proof sheet are matched at the pen tip opening to form a seal to protect the sponge head. Therefore, the present invention has a wide range of uses and is convenient for consumers to carry and use.

Description

Improved structure of dual-head lipstick
Technical Field
The invention relates to the technical field of cosmetics, in particular to an improved structure of a double-head lipstick pen.
Background
Lipstick pens are widely used in the field of make-up and make-up as a carrier for lipstick or lipstick. At present, most lipstick pens on the market adopt spiral screwing-out, and have the advantage of convenient use. When not in use, it is necessary to retract the lipstick into the lipstick pen and cap the lipstick to protect the lipstick inside the lipstick pen. The single-function lipstick pen is mostly used in the current market, is unfavorable for the multifunctional use of people, and also causes the waste of resources. For this reason, the industry developed a double-ended lipstick pen, one end of which is a sponge head and the other end of which is lipstick or lipstick, however, the pen cap has no spiral function and is directly closed by the pen cap, so that the application range of the pen cap is limited.
Disclosure of Invention
In order to overcome the defects, the invention provides an improved structure of the double-headed lipstick, which has wide application range and is convenient for consumers to carry and use.
The invention aims to solve the technical problems, and adopts the technical scheme that the double-head lipstick pen comprises a hollow middle bundle and a barrel, wherein one end of the barrel is a threaded rod, the other end of the barrel is provided with lipstick paste, the barrel is positioned in the middle bundle, the other end of the barrel and the middle bundle are mutually prevented from rotating in the circumferential direction, the other end of the barrel and the middle bundle can move relatively in the axial direction (similar to the function can be realized through a straight line groove, in this example, the function is similar to the function, the function is realized through the principle), a hollow nut is fixedly arranged in an opening at one end of the middle ring, the hollow nut is provided with an internal thread, the threaded rod of the barrel is freely screwed in the internal thread of the hollow nut, the middle bundle is positioned and inserted between the outer side of the hollow nut and the inner side of the middle ring, the middle bundle can rotate relative to the middle ring, the middle bundle is stopped axially (namely, both can rotate relatively in the circumferential direction), the other end of the middle ring is fixed to one end of the inner sleeve, one end of the hollow nib is sleeved on the outer sleeve in the circumferential direction, one end of the hollow brush can rotate relatively to the inner sleeve in the axial direction, the hollow end of the hollow brush is relatively in the axial direction, the other end of the hollow brush is relatively in the axial direction opposite to the inner sleeve is provided with a sponge nib, the other end is sleeved outside the inner sleeve, the hollow brush is axially, the other end is positioned in the inner sleeve is axially close to the inner sleeve, the inner sleeve is axially, and can move relatively to the other end of the inner sleeve is rotatably, and is positioned in the inner sleeve, and can rotate, and is positioned near the inner end of the inner sleeve, and has a threaded end is arranged, and can rotate end, and has a rotary end, and can move end, and is relatively rotates and has a rotary end, and has and a rotary end, the anti-theft pen is characterized in that the anti-theft pen is provided with at least two dustproof sheets, the two dustproof sheets are combined to form a hollow space, the inner sleeve is positioned in the hollow space formed by the two dustproof sheets, one ends of the two dustproof sheets are sleeved on the outer side of the inner sleeve, one ends of the two dustproof sheets can be freely meshed with external threads of the inner sleeve, the two dustproof sheets and the inner sleeve are prevented from rotating in the circumferential direction, the two dustproof sheets and the inner sleeve can freely move in the axial direction (similarly, when the inner sleeve rotates, the two dustproof sheets can move upwards along the axial direction of the inner sleeve), the other ends of the two dustproof sheets can be opened and closed (when the other ends of the two dustproof sheets are far away from the pen point opening, and the other ends of the two dustproof sheets are closed when close to the pen point opening, so that the technology is easy to realize, the specific structure is not repeated, and when the sponge head stretches out of the pen point opening;
The internal thread of the inner sleeve and the external thread of the inner sleeve are opposite in spiral direction, so that when the inner sleeve rotates in the forward direction, the screw rod extends to the nib, meanwhile, the dustproof sheet is far away from the nib (namely, the dustproof sheet is opened and descends), the nib is opened, the sponge head is exposed out of the nib (namely, the sponge head extends out of the nib along with the ascending of the screw rod), when the inner sleeve rotates in the reverse direction, the screw rod is retracted into the nib, the sponge head is retracted into the nib along with the retraction of the nib, and meanwhile, the dustproof sheet extends to be close to the nib, so that the nib is closed.
The invention has the further technical scheme that the connecting device is provided with a connecting hollow, the connecting axial stop sleeve is arranged at one end of the hollow nut, the threaded rod at one end of the barrel freely extends out of the connecting device, the connecting device is arranged between the outer side of the hollow nut and the inner side of the middle beam, and the connecting device and the middle beam can relatively rotate in the circumferential direction (for example, a certain gap is reserved between the connecting device and the middle beam so as to realize the connecting device).
The invention further adopts the technical scheme that the guide piece is hollow, the guide piece is fixedly arranged at one end, close to the pen point opening, of the inner side of the hollow pen point, the two dustproof sheets are positioned outside the guide piece, the two dustproof sheets are stopped in the circumferential direction of the guide piece, and can move relatively (also realized by a linear groove) in the axial direction of the guide piece, so that when the inner sleeve rotates, the two dustproof sheets can move freely on the external threads at the outer side of the inner sleeve in the axial direction, and the opening and closing of the pen point opening are realized.
The invention further adopts the technical scheme that one end of the screw rod close to the pen point opening is positioned in the guide piece, one end of the screw rod close to the pen point opening and the circumferential direction of the guide piece are stopped from rotating, one end of the screw rod close to the pen point opening and the guide piece can move freely in the axial direction, and thus, when the inner sleeve rotates, the screw rod can be self-telescopic along the axial direction.
The invention has the further technical scheme that the outer side of the inner sleeve is provided with a first thread distance and a second thread distance, the first thread distance is close to the pen point opening, and the thread pitch of the first thread distance is larger than that of the second thread distance, so that as the first thread distance is a large thread pitch, when the sponge head is required to be used, the other ends of the two dustproof sheets can be quickly opened and far away from the pen point opening, and the sponge head can be conveniently stretched out.
The invention further adopts the technical scheme that the outer side of the screw is provided with a third thread pitch and a fourth thread pitch, the third thread pitch is close to the pen point opening, and the thread pitch of the third thread pitch is smaller than that of the fourth thread pitch, so that the third thread pitch is a small thread pitch, and the small thread pitch enables the sponge head to slowly rise to form a time difference (the time difference between the sponge head and the dustproof sheet is a large thread pitch and is rapidly opened away from the pen point opening at the moment), so that the sponge head is smoothly opened, namely the sponge head is better when being stretched out and retracted into the pen point opening. Namely, the first screw pitch of one side of the inner sleeve is a large screw pitch, the third screw pitch of the screw rod of the other side is a small screw pitch, when the inner sleeve is opened, the large screw pitch enables the dustproof sheet to rapidly descend (away from the pen point opening) to open the dustproof sheet, and the small screw pitch of the screw rod enables the sponge head to slowly ascend to form a time difference so that the sponge head can be smoothly opened.
The invention further adopts the technical scheme that the other ends of the two dustproof sheets are provided with sealing sheets in opposite directions, and the two sealing sheets can be sealed and combined, so that when the sponge head is not used, the pen point opening can be completely sealed, and the effect of protecting the sponge head is achieved.
The lipstick cover is provided with a tubular body with one end being closed and the other end being open, the open end of the lipstick cover can be detachably sleeved on the middle ring (the lipstick cover and the middle ring can be clamped by slightly interference fit), and the middle ring is positioned in the lipstick cover.
The invention has the beneficial effects that the use process of the invention is as follows:
When the lipstick is used, the lipstick cover is pulled out, the middle ring is held by a hand, and the middle ring drives the hollow nut to rotate, so that the threaded rod of the barrel also rotates due to the rotation of the hollow nut, but the barrel and the middle ring are prevented from rotating, and the barrel can only move in the middle ring along the axial direction of the barrel, so that the lipstick stretches and stretches in the middle ring, and can be used.
2, When the sponge head (or brush) at the other end is used for repairing the cosmetic effect, the middle ring is rotated clockwise by holding the pen head, the middle ring drives the inner sleeve to rotate clockwise to enable the dust-proof sheet to open and descend (away from the pen head opening), meanwhile, the screw rod moves upwards along the opposite screw threads (close to the pen head opening), the sponge head is assembled on the screw rod, the sponge head extends out of the pen head along with the rising of the screw rod, the sponge head can be used for a user to wipe and repair lipstick, and the dust-proof sheet is rapidly lowered (away from the pen head opening) due to the fact that the first screw pitch of one side of the inner sleeve is a large screw pitch, the third screw pitch of the other side screw rod is a small screw pitch during opening, and the small screw pitch of the screw rod enables the sponge head to slowly ascend to form a time difference so that the sponge head is smoothly opened. After the anti-dust pen is used, the middle ring is rotated anticlockwise, the sponge head is contracted, the dust-proof sheet is lifted, and the two sealing sheets at the head of the dust-proof sheet form sealing at the mouth part of the pen head, so that dust prevention is facilitated. (when the sponge head is not closed, the fourth screw pitch of the screw rod is a large screw pitch, so that the sponge head can be quickly lowered (far away from the pen point opening and contracted in the pen point), and the second screw pitch is a small screw pitch, so that the dust-proof sheet slowly rises at the second screw pitch to be smoothly closed, and the pen point opening is closed);
Therefore, the invention has wide application range and is convenient for consumers to carry and use.
Drawings
FIG. 1 is a schematic illustration of the present invention (not in use);
FIG. 2 is a schematic illustration of the present invention (using lipstick paste state);
FIG. 3 is a schematic view of the present invention (sponge head used);
FIG. 4 is a schematic view of a middle circle according to the present invention;
FIG. 5 is a schematic view of a bucket according to the present invention;
FIG. 6 is a schematic illustration of the coupling according to the present invention;
FIG. 7 is a schematic view of a hollow nut according to the present invention;
FIG. 8 is a schematic view of an inner sleeve according to the present invention;
FIG. 9 is a schematic view of a screw according to the present invention;
FIG. 10 is a schematic view of the guide according to the present invention;
FIG. 11 is an axial schematic view of a guide according to the present invention;
FIG. 12 is a schematic view of a dust-proof sheet according to the present invention;
FIG. 13 is a schematic view of a pen point according to the present invention;
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: an improved structure of a double-head lipstick pen comprises a hollow middle beam 1 and a barrel 2, wherein one end of the barrel is a threaded rod, the other end of the barrel is provided with lipstick paste, the barrel 2 is positioned in the middle beam 1, the other end of the barrel and the middle beam mutually stop rotating in the circumferential direction, the other end of the barrel and the middle beam can move relatively in the axial direction (similar to the structure can be realized through a straight line groove, similar functions in the example are realized through the principle), a hollow nut 6 is fixedly arranged in an opening at one end of a middle ring 5, the hollow nut 6 is provided with an internal thread, the threaded rod 21 of the barrel is freely screwed in the internal thread of the hollow nut through the thread, the middle beam 1 is positioned and inserted between the outer side of the hollow nut and the inner side of the middle ring, the middle beam can rotate relative to the middle ring, the middle beam stops moving relatively in the axial direction (namely, the two can rotate relatively in the circumferential direction and cannot move axially), the other end of the middle ring is fixed at one end of the inner sleeve 7, a hollow pen point 8 is arranged, one end of the hollow pen point 8 is sleeved outside the inner sleeve 7, one end of the hollow pen point 8 can rotate in the circumferential direction relative to the inner sleeve 7, one end of the hollow pen point 8 is stopped in the axial direction relative to the inner sleeve 7, the other end of the hollow pen point 8 is a pen point opening 9 for extending a sponge head (or a brush), the other end of the inner sleeve 7 is hollow, an inner side wall of the other end of the inner sleeve is provided with an inner thread, an outer side wall of the other end of the inner sleeve is provided with an outer thread, a screw 10 is arranged in the inner sleeve 7, the outer thread of the screw 10 is freely meshed with the inner thread of the inner sleeve 7, the screw 10 and the inner sleeve 7 are stopped in the circumferential direction, the screw 10 and the inner sleeve 7 can relatively move in the axial direction, one end of the screw 10 close to the pen point opening is provided for placing the sponge head, thus the screw 10 can freely axially move in the inner sleeve 7 by rotating the inner sleeve, the two dustproof sheets 100 are arranged, the two dustproof sheets are combined to form a hollow space, the inner sleeve 7 is positioned in the hollow space formed by the two dustproof sheets 100, one end of each dustproof sheet 100 is sleeved outside the inner sleeve 7, one end of each dustproof sheet 100 can be freely meshed with external threads of the inner sleeve 7, the two dustproof sheets 100 and the inner sleeve are rotationally stopped in the circumferential direction, the two dustproof sheets 100 and the inner sleeve 7 can freely move in the axial direction (similarly, when the inner sleeve 7 rotates, the two dustproof sheets 100 can move axially along the inner sleeve 7), the other ends of the two dustproof sheets 100 can be opened and closed (when the other ends of the two dustproof sheets are far away from a pen point opening, the other ends of the two dustproof sheets are closed when being close to the pen point opening, and the technology is easy to realize, and the specific structure is not repeated in this example), when the pen point opening is closed, and the sponge head extends out of the pen point opening;
The internal thread of the inner sleeve 7 and the external thread of the inner sleeve 7 are in opposite screw directions, so that when the inner sleeve rotates in the forward direction, the screw rod 10 extends to the nib, the dustproof sheet 100 is far away from the nib (namely, the dustproof sheet opens and descends), the nib is opened, the sponge head is exposed out of the nib (namely, the sponge head extends out of the nib along with the ascending of the screw rod), when the inner sleeve 7 rotates in the reverse direction, the screw rod 10 retracts to the nib, the sponge head retracts to the nib, and meanwhile, the dustproof sheet extends to be close to the nib, so that the nib is closed.
The connecting device is provided with a connecting device 200, the connecting device 200 is hollow, the connecting device is axially and stop sleeved at one end of the hollow nut 6, a threaded rod at one end of the barrel 2 freely extends out of the connecting device 200, the connecting device is arranged between the outer side of the hollow nut 6 and the inner side of the middle beam 1, and the connecting device and the middle beam can relatively rotate in the circumferential direction (for example, a certain gap is reserved between the connecting device and the middle beam to realize the connecting device).
The pen is provided with a guide piece 300, the guide piece 300 is hollow, the guide piece 300 is fixedly arranged at one end, close to the pen point opening 9, of the inner side of the hollow pen point 8, the two dustproof sheets 100 are positioned outside the guide piece 300, the two dustproof sheets 100 are stopped in the circumferential direction relative to the guide piece 300, the two dustproof sheets 100 can move relatively in the axial direction relative to the guide piece 300 (also realized through a linear groove), and thus when the inner sleeve rotates, the two dustproof sheets 100 can move freely on the external threads on the outer side of the inner sleeve in the axial direction, and the opening and closing of the pen point opening are realized.
One end of the screw rod 10 close to the pen point opening is positioned in the guide piece, one end of the screw rod 10 close to the pen point opening 9 and the guide piece are prevented from rotating in the circumferential direction, one end of the screw rod 10 close to the pen point opening and the guide piece can move freely in the axial direction, and therefore when the inner sleeve rotates, the screw rod can stretch out and draw back along the axial direction.
The outer side of the inner sleeve is provided with a first thread distance 401 and a second thread distance 402, the first thread distance is close to the pen point, and the pitch of the first thread distance is larger than that of the second thread distance, so that the other ends of the two dustproof sheets can be rapidly opened and far away from the pen point when the sponge head 700 is required to be used due to the fact that the first thread distance is large, and the sponge head is beneficial to extending.
The outside of the screw rod is provided with third thread pitch 501 and fourth thread pitch 502, the third thread pitch 501 is close to the pen point opening, and the thread pitch of the third thread pitch is smaller than that of the fourth thread, so that the third thread pitch 501 is a small thread pitch, and the small thread pitch enables the sponge head to slowly rise to form a time difference (the time difference that the sponge head is rapidly opened away from the pen point opening with the large thread pitch at the moment) so that the sponge head is smoothly opened, namely, the sponge head is better when being stretched out and retracted into the pen point opening. That is, the first screw pitch 401 on one side of the inner sleeve is a large screw pitch, the third screw pitch 501 on the other side of the inner sleeve is a small screw pitch, when the inner sleeve is opened, the large screw pitch enables the dustproof sheet to rapidly descend (away from the pen point) to open the dustproof sheet, and the small screw pitch of the screw rod enables the sponge head to slowly ascend to form a time difference so that the sponge head can be smoothly opened.
The other ends of the two dustproof sheets 100 are provided with sealing sheets 101, and the two sealing sheets 101 can be sealed and combined, so that when the sponge head is not used, the pen point opening can be completely sealed, and the effect of protecting the sponge head is achieved.
A lipstick cap 600 is provided, one end of the lipstick cap is a tubular body which is closed, the other end of the lipstick cap is an opening, the opening end of the lipstick cap can be sleeved on the middle ring (the lipstick cap and the lipstick cap can be tightly clamped through a slight interference fit), and the middle bundle is positioned in the lipstick cap.
The application process of the invention is as follows:
When the lipstick is used, the lipstick cover is pulled out, the middle ring is held by a hand, and the middle ring drives the hollow nut to rotate, so that the threaded rod of the barrel also rotates due to the rotation of the hollow nut, but the barrel and the middle ring are prevented from rotating, and the barrel can only move in the middle ring along the axial direction of the barrel, so that the lipstick stretches and stretches in the middle ring, and can be used.
When the sponge head (or brush) at the other end is used for repairing the cosmetic effect, the middle ring is rotated clockwise by holding the pen head, the middle ring drives the inner sleeve to rotate clockwise to enable the dust-proof sheet to open and descend (far from the pen head opening), meanwhile, the screw rod moves upwards along the opposite screw teeth (close to the pen head opening), the sponge head is assembled on the screw rod, the sponge head extends out of the pen head along with the rising of the screw rod and can be used for a user to wipe and repair lipstick, and the dust-proof sheet is quickly lowered (far from the pen head opening) due to the fact that the first screw pitch of one side of the inner sleeve is large screw pitch, the third screw pitch of the other side screw rod is small screw pitch when the inner sleeve is opened, the small screw pitch of the screw rod enables the sponge head to slowly ascend to form a time difference so that the sponge head is smoothly opened. After the anti-clockwise rotation middle ring is used, the sponge head contracts, the dustproof sheet ascends, two sealing sheets at the head part of the dustproof sheet form sealing at the mouth part of the pen head, dust prevention is facilitated, (when the sponge head is not used to be closed, the sponge head can be quickly descended (far away from the mouth of the pen head and contracted in the pen head) due to the fact that the fourth screw pitch of the screw rod is a large screw pitch, the second screw pitch is a small screw pitch, and the dustproof sheet slowly ascends at the second screw pitch to be smoothly closed, and the mouth of the pen head is closed).
The word "up" refers to the action of approaching the nib 9 and "down" refers to the action of moving away from the nib 9.

Claims (3)

1.一种双头口红笔改良结构，包括呈中空的中束(1)、桶子(2)，所述桶子(2)一端为螺纹杆，所述桶子(2)另一端供口红膏设置，所述桶子(2)处于所述中束(1)中，所述桶子(2)另一端与所述中束(1)在圆周方向上相互止转，所述桶子(2)另一端与所述中束(1)轴向上能够相对移动，其特征是：中圈(5)一端开口内固定设有中空螺母(6)，所述中空螺母(6)设有内螺纹，所述桶子(2)的螺纹杆(21)通过螺纹自由螺合于所述中空螺母(6)的内螺纹中，所述中束(1)定位插置于所述中空螺母(6)外侧和所述中圈(5)内侧之间，所述中束(1)相对所述中圈(5)能够转动，所述中束(1)相对所述中圈(5)轴向上止动，所述中圈(5)另一端固定于内套(7)一端，设有一中空笔头(8)，所述中空笔头(8)一端套设于所述内套(7)外，所述中空笔头(8)一端相对所述内套(7)圆周方向上能够转动，所述中空笔头(8)一端相对所述内套(7)轴向方向上止动，所述中空笔头(8)另一端为笔头口(9)，所述内套(7)另一端呈中空，所述内套(7)另一端的内侧壁设有内螺纹，所述内套(7)另一端的外侧壁设有外螺纹，螺杆(10)设于所述内套(7)中，所述螺杆(10)的外螺纹自由啮合于所述内套(7)的内螺纹中，所述螺杆(10)和所述内套(7)圆周方向止转，所述螺杆(10)和所述内套(7)轴向方向上能够相对移动，所述螺杆(10)靠近所述笔头口(9)的一端供海绵头置放，通过旋转所述内套(7)，所述螺杆(10)可在所述内套(7)中自由轴向移动，设有至少两防尘片(100)，两所述防尘片(100)对合形成中空空间，所述内套(7)处于两所述防尘片(100)对合形成的中空空间中，两所述防尘片(100)一端套设于所述内套(7)的外侧，两所述防尘片(100)一端能够自由啮合于所述内套(7)的外螺纹上，两所述防尘片(100)和所述内套(7)圆周方向上止转，两所述防尘片(100)和所述内套(7)轴向方向上能够自由移动，两所述防尘片(100)另一端能够开合；所述内套(7)的内螺纹和所述内套(7)的外螺纹螺旋方向相反；1. An improved structure of a double-headed lipstick pen, comprising a hollow middle bundle (1) and a barrel (2), wherein one end of the barrel (2) is a threaded rod, and the other end of the barrel (2) is provided with lipstick paste, and the barrel (2) is located in the middle bundle (1), and the other end of the barrel (2) and the middle bundle (1) are mutually fixed in the circumferential direction, and the other end of the barrel (2) and the middle bundle (1) can move relative to each other in the axial direction, and the characteristic is that: a hollow nut (6) is fixedly provided in the opening at one end of the middle ring (5), and the hollow nut (6) is provided with an internal thread, and the threaded rod (21) of the barrel (2) is freely screwed into the internal thread of the hollow nut (6) through a thread, The middle bundle (1) is positioned and inserted between the outer side of the hollow nut (6) and the inner side of the middle ring (5), the middle bundle (1) can rotate relative to the middle ring (5), the middle bundle (1) is stopped axially relative to the middle ring (5), the other end of the middle ring (5) is fixed to one end of the inner sleeve (7), and is provided with a hollow pen tip (8), one end of the hollow pen tip (8) is sleeved outside the inner sleeve (7), one end of the hollow pen tip (8) can rotate relative to the inner sleeve (7) in the circumferential direction, one end of the hollow pen tip (8) is stopped axially relative to the inner sleeve (7), the other end of the hollow pen tip (8) is a pen tip opening (9), and the other end of the inner sleeve (7) is provided with a hollow pen tip opening (9). The end is hollow, the inner side wall of the other end of the inner sleeve (7) is provided with an internal thread, the outer side wall of the other end of the inner sleeve (7) is provided with an external thread, the screw (10) is provided in the inner sleeve (7), the external thread of the screw (10) is freely engaged with the internal thread of the inner sleeve (7), the screw (10) and the inner sleeve (7) are fixed in the circumferential direction, the screw (10) and the inner sleeve (7) can move relative to each other in the axial direction, the end of the screw (10) close to the pen tip (9) is used for placing the sponge head, and by rotating the inner sleeve (7), the screw (10) can move freely in the axial direction in the inner sleeve (7), and is provided with at least two dust-proof sheets (100 ), the two dust-proof sheets (100) are matched to form a hollow space, the inner sleeve (7) is in the hollow space formed by the two dust-proof sheets (100), one end of the two dust-proof sheets (100) is sleeved on the outside of the inner sleeve (7), one end of the two dust-proof sheets (100) can be freely engaged with the external thread of the inner sleeve (7), the two dust-proof sheets (100) and the inner sleeve (7) are stopped in the circumferential direction, the two dust-proof sheets (100) and the inner sleeve (7) can move freely in the axial direction, and the other ends of the two dust-proof sheets (100) can be opened and closed; the internal thread of the inner sleeve (7) and the external thread of the inner sleeve (7) have opposite spiral directions; 所述双头口红笔改良结构设有一联接(200)，所述联接(200)呈中空，所述联接(200)轴向止动套设于所述中空螺母(6)一端，所述桶子(2)一端的螺纹杆自由伸出所述联接(200)，所述联接(200)处于所述中空螺母(6)外侧和所述中束(1)内侧之间，所述联接(200)和所述中束(1)在圆周方向上能够相对转动；The improved structure of the double-headed lipstick pen is provided with a connection (200), the connection (200) is hollow, the connection (200) is axially stopped and sleeved on one end of the hollow nut (6), the threaded rod at one end of the barrel (2) freely extends out of the connection (200), the connection (200) is located between the outer side of the hollow nut (6) and the inner side of the middle bundle (1), and the connection (200) and the middle bundle (1) can rotate relative to each other in the circumferential direction; 所述双头口红笔改良结构设有一导向件(300)，所述导向件(300)呈中空，所述导向件(300)固定设于所述中空笔头(8)内侧靠近所述笔头口(9)一端，两所述防尘片(100)处于所述导向件(300)外，两所述防尘片(100)相对所述导向件(300)圆周方向上止动，两所述防尘片(100)相对所述导向件(300)轴向方向上能够相对移动；The improved double-headed lipstick pen structure is provided with a guide member (300), the guide member (300) is hollow, the guide member (300) is fixedly arranged on the inner side of the hollow pen tip (8) near one end of the pen tip opening (9), the two dust-proof sheets (100) are located outside the guide member (300), the two dust-proof sheets (100) are stopped in the circumferential direction relative to the guide member (300), and the two dust-proof sheets (100) can move relative to the guide member (300) in the axial direction; 所述螺杆(10)靠近所述笔头口(9)的一端处于所述导向件(300)内，所述螺杆(10)靠近所述笔头口(9)的一端和所述导向件(300)圆周方向上止转，所述螺杆(10)靠近所述笔头口(9)的一端和所述导向件(300)在轴向方向上能够自由移动；One end of the screw rod (10) close to the pen tip opening (9) is located in the guide member (300), the one end of the screw rod (10) close to the pen tip opening (9) and the guide member (300) are stopped in the circumferential direction, and the one end of the screw rod (10) close to the pen tip opening (9) and the guide member (300) are free to move in the axial direction; 两个所述防尘片(100)的另一端均相向设有密封片(101)，两所述密封片(101)能够密封对合；The other ends of the two dustproof sheets (100) are both provided with sealing sheets (101) facing each other, and the two sealing sheets (101) can be sealed and matched; 所述双头口红笔改良结构设有一口红盖(600)，所述口红盖(600)一端呈封闭和另一端呈开口的管状体，所述口红盖(600)的开口端能够可拆卸套于所述中圈(5)上，所述中束(1)处于所述口红盖(600)内。The improved double-headed lipstick pen structure is provided with a lipstick cover (600), wherein the lipstick cover (600) is a tubular body with one end being closed and the other end being open, and the open end of the lipstick cover (600) can be detachably put on the middle ring (5), and the middle bundle (1) is located inside the lipstick cover (600). 2.根据权利要求1所述的双头口红笔改良结构，其特征是：所述内套(7)外侧设有第一、二螺纹距(401、402)，所述第一螺纹距(401)靠近所述笔头口(9)，所述第一螺纹距(401)的螺距大于所述第二螺纹距(402)的螺距。2. The improved structure of a double-ended lipstick pen according to claim 1 is characterized in that: the outer side of the inner sleeve (7) is provided with a first and a second thread pitch (401, 402), the first thread pitch (401) is close to the pen tip (9), and the pitch of the first thread pitch (401) is greater than the pitch of the second thread pitch (402). 3.根据权利要求1所述的双头口红笔改良结构，其特征是：所述螺杆(10)外侧设有第三、四螺纹距(501、502)，所述第三螺纹距(501)靠近所述笔头口(9)，所述第三螺纹距(501)的螺距小于所述第四螺纹距(502)的螺距。3. The improved structure of a double-ended lipstick pen according to claim 1 is characterized in that: a third and fourth thread pitches (501, 502) are provided on the outside of the screw (10), the third thread pitch (501) is close to the pen tip (9), and the pitch of the third thread pitch (501) is smaller than the pitch of the fourth thread pitch (502).
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