WO2023103560A1

WO2023103560A1 - Improved structure of double-ended lipstick pen

Info

Publication number: WO2023103560A1
Application number: PCT/CN2022/123715
Authority: WO
Inventors: 杨海英
Original assignee: 洽兴包装工业（中国）有限公司
Priority date: 2021-12-08
Filing date: 2022-10-06
Publication date: 2023-06-15
Also published as: CN114403576A

Abstract

Disclosed in the present invention is 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 head, a screw rod and a dust-proof piece. A usage process of the present invention is: 1, when lipstick is used, a lipstick cap is removed, the middle bundle is held by a hand to rotate the middle ring, the middle ring drives the hollow nut to rotate together, and the barrel moves in the middle bundle along an axial direction thereof, such that the lipstick expands and contracts in the middle bundle and can be used; and 2, when a sponge head at the other end is used for makeup repair, the pen head is held by a hand to rotate the middle ring clockwise, the middle ring drives the inner sleeve to rotate clockwise, and makes the dust-proof piece be open and away from an opening of the pen head, in this case, the screw rod rotates in an opposite screw thread direction to ascend close to the opening of the pen head, and the sponge head ascends out of the pen head, such that the lipstick can be applied uniformly and used for repair, and after the usage is finished, the middle ring is rotated counterclockwise, the sponge head contracts to be away from the opening of the pen head, the dust-proof piece ascends to be close to the opening of the pen head, and two sealing pieces of the dust-proof piece head are fitted at the opening of the pen head to form a seal, so as to protect the sponge head. Therefore, the present invention has a wide application range and can be conveniently carried and used by a consumer.

Description

Improved structure of double-ended lipstick pen

technical field

The invention relates to the technical field of cosmetics, in particular to an improved structure of a double-ended lipstick pen.

Background technique

As a carrier of lipstick or lipstick, lipstick pen is widely used in the field of makeup and color cosmetics. At present, most of the lipstick pens on the market are unscrewed in a spiral manner, which has the advantage of being convenient to use. When not in use, the lipstick needs to be retracted into the lipstick pen and covered with a cap to protect the lipstick in the lipstick pen. Most of the current market is this single-function lipstick pen, which is unfavorable for people's multi-functional use, and also causes a waste of resources. For this reason, the industry has developed a double-ended lipstick pen, one end is a sponge head, and the other end is lipstick or lipstick, but it does not have a screw function, and it is directly closed with a pen cap, which limits its range of use.

Contents of the invention

In order to overcome the above-mentioned defects, the present invention provides an improved structure of a double-ended lipstick pen. The improved structure of the double-ended lipstick pen has a wide application range and is convenient for consumers to carry and use.

The technical scheme that the present invention adopts in order to solve its technical problem is: a kind of improved structure of double-headed lipstick pen, comprising a hollow middle beam and a barrel, one end of the barrel is a threaded rod, the other end of the barrel is provided for lipstick paste, and the barrel The child is in the center beam, the other end of the barrel and the center beam are mutually locked in the circumferential direction, and the other end of the barrel and the center beam can move relative to each other in the axial direction (similar to this can be realized by a linear groove, in this case similar to this This function is also realized by this principle), a hollow nut is fixed inside the opening of one end of the middle ring, and the hollow nut is provided with an internal thread. 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, and the middle beam can stop axially relative to the middle ring (that is, the two can rotate relative to each other in the circumferential direction, and the two do not move axially) , the other end of the middle ring is fixed to one end of the inner sleeve, and a hollow nib is provided. One end of the hollow nib is sleeved outside the inner sleeve. , the other end of the hollow nib is the mouth of the nib, which is used for extending the sponge head (or brush), the other end of the inner sleeve is hollow, the inner wall of the other end of the inner sleeve is provided with internal threads, and the outer wall of the other end of the inner sleeve is provided with external threads , the screw is set in the inner sleeve, the outer thread of the screw is freely meshed with the inner thread of the inner sleeve, the screw and the inner sleeve are locked in the circumferential direction, the screw and the inner sleeve can move relative to each other in the axial direction, and the end of the screw near the mouth of the pen is supplied The sponge head is placed so that by rotating the inner sleeve, the screw can freely move axially in the inner sleeve. There are at least two dust-proof sheets, and the two dust-proof sheets are combined to form a hollow space. In the formed hollow space, one end of the two dust-proof sheets is sleeved on the outside of the inner sleeve, and one end of the two dust-proof sheets can be freely engaged with the outer thread of the inner sleeve, and the two dust-proof sheets and the inner sleeve are prevented from rotating in the circumferential direction. The dust sheets and the inner sleeve can move freely in the axial direction (similarly, when the inner sleeve rotates, the two dust-proof sheets can move upward along the inner sleeve axis), and the other ends of the two dust-proof sheets can be opened and closed (the other ends of the two dust-proof sheets It will open when one end is far away from the nib mouth, and it will be closed when the other end of the two dust-proof sheets is close to the nib mouth. out of the mouth;

The inner thread of the inner sleeve and the outer thread of the inner sleeve have opposite helical directions, so that when the inner sleeve rotates forward, the screw rod extends to the mouth of the nib, while the dust-proof sheet is far away from the mouth of the nib (that is, the dust-proof sheet opens and falls), and the nib is opened. The sponge head is exposed to the nib mouth (that is: the sponge head rises with the screw and extends out of the nib), when the inner sleeve rotates in the opposite direction, the screw retracts into the nib mouth, the sponge head follows the indentation of the nib mouth, and the dust-proof sheet protrudes close to the nib mouth , Close the nib mouth with this.

A further technical solution of the present invention is: a connection is provided, the connection is hollow, the axial stop of the connection is sleeved at one end of the hollow nut, the threaded rod at one end of the barrel freely protrudes from the connection, and the connection is between the outside of the hollow nut and the inside of the middle beam , the connection and the middle beam can rotate relatively in the circumferential direction (such as leaving a certain gap between the two to realize this).

A further technical solution of the present invention is: a guide is provided, the guide is hollow, the guide is fixed on the inner side of the hollow nib near the end of the nib mouth, the two dust-proof sheets are outside the guide, and the two dust-proof sheets are opposite to the circumferential direction of the guide. Stop, the two dust-proof sheets can move relatively in the axial direction relative to the guide (also realized by the linear groove), so that when the inner sleeve rotates, in the axial direction, the two dust-proof sheets can move the outer thread on the outer side of the inner sleeve Move freely on the top to realize the opening and closing of the nib.

A further technical solution of the present invention is: the end of the screw rod close to the nib mouth is in the guide, the end of the screw near the nib mouth and the guide are stopped in the circumferential direction, and the end of the screw near the nib mouth and the guide can be freely rotated in the axial direction. Move, so that when the inner sleeve rotates, the screw rod can expand and contract automatically along its axial direction.

A further technical solution of the present invention is: the outer side of the inner sleeve is provided with first and second thread pitches, the first thread pitch is close to the nib opening, and the pitch of the first thread pitch is greater than that of the second thread pitch, so because the first thread pitch is large The screw pitch, when the sponge head is needed, the other ends of the two dust-proof sheets can be quickly opened away from the mouth of the nib, which is beneficial to the extension of the sponge head.

A further technical solution of the present invention is: the outside of the screw rod is provided with third and fourth thread pitches, the third thread pitch is close to the nib opening, and the pitch of the third thread pitch is smaller than the pitch of the fourth thread, so that the third thread pitch is a small pitch, The small pitch allows the sponge head to slowly rise to form a time difference (referring to the time difference between the dust-proof sheet and the dust-proof sheet at this time when the large pitch is quickly opened away from the nib mouth) so that the sponge head can be opened smoothly, that is, it is better when the sponge head extends and retracts to the nib mouth. That is to say: the first pitch on one side of the inner sleeve is a large pitch, and the third pitch of the screw on the other side is a small pitch. When opening, the large pitch makes the dust-proof sheet drop quickly (away from the nib mouth) to open the dust-proof sheet, and the small pitch of the screw makes the sponge The head rises slowly to form a time difference to make the sponge head open smoothly.

A further technical solution of the present invention is: the other ends of the two dust-proof sheets are oppositely provided with a sealing sheet, and the two sealing sheets can be sealed and combined, so that when the sponge head is not in use, the mouth of the nib can be completely closed to protect the sponge head. effect.

A further technical scheme of the present invention is: a lipstick cover is provided, one end of the lipstick cover is closed and the other end is an open tubular body, and the open end of the lipstick cover can be detachably placed on the middle ring (by a slight interference fit, both are can be snapped), the center beam is inside the lipstick cap.

The beneficial effects of the present invention are: the use process of the present invention is:

1. When using lipstick: Pull out the lipstick cover, hold the middle beam and rotate the middle ring, the middle ring drives the hollow nut to rotate together, because the hollow nut rotates, so the threaded rod of the barrel also rotates, but the barrel and the middle beam are the same When it is rotated, the barrel can only move along its axial direction in the middle beam, so that the lipstick can be stretched in the middle beam, and it can be used.

2. Use the sponge head (or brush) at the other end: when repairing the makeup effect, hold the pen head and rotate the middle ring clockwise, and the middle ring drives the inner sleeve to rotate clockwise to make the dust-proof sheet open and fall (away from the pen head mouth), At the same time, the screw moves upwards along the opposite screw direction (near the mouth of the nib), the sponge head is assembled on the screw, and the sponge head rises with the screw and extends out of the nib, which can be used for smoothing and repairing lipstick by the user, because the inner sleeve has the first pitch on one side The third pitch of the screw on the other side is a small pitch. When it is opened, the large pitch makes the dust-proof sheet drop rapidly (away from the nib mouth). When the dust-proof sheet is opened, the small pitch of the screw makes the sponge head rise slowly, forming a time difference to make the sponge head go smoothly. Open. After use, rotate the middle ring counterclockwise, the sponge head shrinks, the dust-proof sheet rises, and the two sealing sheets at the head of the dust-proof sheet form a seal at the mouth of the nib, which is convenient for dust prevention. (When the sponge head does not need to be closed, the fourth pitch of the screw rod is a large pitch to make the sponge head drop quickly (away from the mouth of the nib, shrinking into the nib), and the second pitch is a small pitch, so that the dust-proof sheet rises slowly at the second pitch Close smoothly, close the nib opening);

Therefore, the present invention has a wide application range and is convenient for consumers to carry and use.

Description of drawings

Fig. 1 is a schematic diagram of the present invention (unpractical state);

Fig. 2 is a schematic diagram of the present invention (using lipstick cream state);

Fig. 3 is a schematic diagram of the present invention (using a sponge head state);

Fig. 4 is a schematic diagram of the middle circle of the present invention;

Fig. 5 is a schematic diagram of the barrel of the present invention;

Fig. 6 is the connection schematic diagram of the present invention;

Fig. 7 is a schematic diagram of the hollow nut of the present invention;

Fig. 8 is a schematic diagram of the inner sleeve of the present invention;

Fig. 9 is a schematic diagram of the screw of the present invention;

Fig. 10 is a schematic view of the appearance of the guide of the present invention;

Fig. 11 is an axial schematic diagram of the guide member of the present invention;

Fig. 12 is a schematic diagram of the dust-proof sheet of the present invention;

Fig. 13 is a schematic diagram of the nib according to the present invention;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Embodiment: An improved structure of a double-headed lipstick pen, including a hollow middle bundle 1 and a barrel 2, one end of the barrel is a threaded rod, and the other end of the barrel is provided for lipstick paste, the barrel 2 is in the middle bundle 1, and the barrel The other end of the barrel and the middle beam are mutually locked in the circumferential direction, and the other end of the barrel and the middle beam can move relative to each other in the axial direction (similar to this can be realized by a linear groove, and this function is similar to this principle in this example Realized), a hollow nut 6 is fixed inside the opening of 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 is freely screwed into the internal thread of the hollow nut through the thread, and 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, and the middle beam can stop axially relative to the middle ring (that is, the two can rotate relative to each other in the circumferential direction, and the two do not move axially). The other end of the ring is fixed on one end of the inner sleeve 7 and is provided with a hollow nib 8. One end of the hollow nib 8 is sleeved outside the inner sleeve 7. One end of the hollow nib 8 can rotate relative to the inner sleeve 7 in the circumferential direction, and one end of the hollow nib 8 is opposite to the inner sleeve 7. Stop in the axial direction, the other end of the hollow nib 8 is a nib mouth 9, which stretches out for the sponge head (or brush), and the other end of the inner sleeve 7 is hollow, and the inner wall of the other end of the inner sleeve is provided with an internal thread, and the inner sleeve The outer wall of the other end is provided with external thread, and the screw rod 10 is arranged in the inner sleeve 7, and the external thread of the screw rod 10 is freely engaged in the internal thread of the inner sleeve 7, and the screw rod 10 and the inner sleeve 7 are locked in the circumferential direction, and the screw rod 10 and the inner sleeve The sleeve 7 can move relatively in the axial direction, and the end of the screw rod 10 close to the mouth of the nib is used for placing the sponge head, so that by rotating the inner sleeve, the screw rod 10 can freely move axially in the inner sleeve 7, and at least two dust-proof sheets are provided 100, two dust-proof sheets are combined to form a hollow space, and the inner sleeve 7 is in the hollow space formed by the pairing of 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, and one end of the two dust-proof sheets 100 Can be freely engaged on the external thread of the inner sleeve 7, the two dust-proof sheets 100 and the inner sleeve are locked in the circumferential direction, and the two dust-proof sheets 100 and the inner sleeve 7 can move freely in the axial direction (similarly, the inner sleeve 7 rotates , the two dust-proof sheets 100 can move upward along the inner sleeve 7 axis), the other ends of the two dust-proof sheets 100 can be opened and closed (the other ends of the two dust-proof sheets can be opened when they are far away from the nib mouth, and the other ends of the two dust-proof sheets are close to the nib. It will be closed when the mouth is closed, which is an easy-to-implement technology, and the specific structure will not be repeated in this example), so as to close the mouth of the nib when it is in place, and when it is opened, the sponge head will protrude from the mouth of the nib;

The internal screw thread of inner cover 7 is opposite to the external thread helical direction of inner cover 7, like this, when inner cover forwardly rotates, screw rod 10 stretches to nib mouth, and dust-proof sheet 100 is away from nib mouth simultaneously (that is: dust-proof sheet opens and descends ), open the nib opening, and the sponge tip is exposed from the nib opening (that is, the sponge tip rises and extends out of the nib opening with the screw rod), when the inner sleeve 7 rotates in the opposite direction, the screw rod 10 retracts into the nib opening, and the sponge tip follows the indentation of the nib opening, and is dustproof at the same time The piece stretches out near the mouth of the nib so as to close the mouth of the nib.

There is a connection 200, the connection 200 is hollow, and the axial stop of the connection is sleeved on one end of the hollow nut 6, and the threaded rod at one end of the barrel 2 freely protrudes from the connection 200, and the connection is between the outside of the hollow nut 6 and the inside of the middle beam 1, The coupling and the middle beam can relatively rotate in the circumferential direction (such as leaving a certain gap between the two to realize this).

A guide 300 is provided, the guide 300 is hollow, the guide 300 is fixed on the inner side of the hollow nib 8 close to the end of the nib mouth 9, the two dust-proof sheets 100 are outside the guide 300, and the two dust-proof sheets 100 are opposite to the circumferential direction of the guide 300 upper stop, the two dust-proof sheets 100 can move relatively in the axial direction relative to the guide 300 (also realized by the linear groove), so that when the inner sleeve rotates, in the axial direction, the two dust-proof sheets 100 can move in the inner sleeve The external thread on the outside can move freely to realize the opening and closing of the nib mouth.

The end of the screw rod 10 near the nib mouth is in the guide, and the end of the screw 10 near the nib mouth 9 and the circumferential direction of the guide are locked, and the end of the screw 10 near the nib mouth and the guide can move freely in the axial direction, so that the inside When the sleeve rotates, the screw can expand and contract along its axial direction.

The outer side of the inner sleeve is provided with first and second thread pitches 401, 402. The first thread pitch is close to the mouth of the nib, and the pitch of the first thread pitch is greater than that of the second thread pitch. When the sponge head is 700, the other ends of the two dust-proof sheets can be opened quickly away from the mouth of the nib, which is beneficial to the extension of the sponge head.

The outside of the screw rod is provided with third and fourth thread pitches 501, 502, the third thread pitch 501 is close to the nib opening, and the pitch of the third thread pitch is smaller than the pitch of the fourth thread. Like this, the third thread pitch 501 is a small pitch, and the small pitch allows The sponge head slowly rises to form a time difference (referring to the time difference between the dust-proof sheet and the dust-proof sheet, which is now a large pitch and quickly opens away from the nib mouth), so that the sponge head can be opened smoothly, that is, it is better when the sponge head stretches out and retracts from the nib mouth. That is to say: the first pitch 401 on one side of the inner sleeve is a large pitch, and the third pitch 501 of the screw rod on the other side is a small pitch. Let the sponge head rise slowly to form a time difference so that the sponge head can be opened smoothly.

The other ends of the two dust-proof sheets 100 are all oppositely provided with a sealing sheet 101, and the two sealing sheets 101 can be sealed together, so that when the sponge head is not in use, the nib opening can be completely closed to protect the sponge head.

There is a lipstick cover 600, one end of the lipstick cover is closed and the other end is an open tubular body, the open end of the lipstick cover can be placed on the middle ring (the two can be clamped by a slight interference fit), and the middle beam is in the lipstick cover inside.

The use process of the present invention is:

2. Use the sponge head (or brush) at the other end: when repairing the makeup effect, hold the pen head and rotate the middle ring clockwise, and the middle ring drives the inner sleeve to rotate clockwise to make the dust-proof sheet open and fall (away from the pen head mouth), At the same time, the screw moves upward along the opposite screw direction (closer to the mouth of the nib), the sponge head is assembled on the screw, and the sponge head rises with the screw to extend out of the nib, which can be used for smoothing and repairing lipstick by the user; The pitch is large, and the third pitch of the screw on the other side is small. When it is opened, the large pitch makes the dust-proof sheet drop rapidly (away from the nib mouth). When the dust-proof sheet is opened, the small pitch of the screw makes the sponge head rise slowly, forming a time difference to make the sponge head Opened smoothly. After use, rotate the middle ring counterclockwise, the sponge head shrinks, the dust-proof sheet rises, and the two sealing sheets on the head of the dust-proof sheet form a seal at the mouth of the nib, which is convenient for dust prevention. (When the sponge head does not need to be closed, the fourth pitch of the screw rod The large pitch can make the sponge head drop quickly (away from the nib opening, shrinking in the nib), and the second pitch is small pitch, so that the dust-proof sheet can rise slowly at the second pitch and close smoothly, closing the nib mouth).

Wording in the use process of the present invention: " rising " refers to doing 9 actions close to nib mouth, and " descending " refers to doing away from nib mouth 9 actions.

Claims

An improved structure of a double-ended lipstick pen, comprising a hollow middle bundle (1) and a barrel (2), one end of the barrel is a threaded rod, the other end of the barrel is used for setting lipstick paste, and the barrel (2) is in the middle bundle ( In 1), the other end of the barrel and the center beam are mutually locked in the circumferential direction, and the other end of the barrel and the center beam can move relative to each other in the axial direction. The feature is that a hollow nut is fixed in the opening of one end of the middle ring (5) (6), the hollow nut (6) is provided with an internal thread, the threaded rod (21) of the barrel is freely screwed into the internal thread of the hollow nut through the thread, and the middle beam (1) is positioned and inserted on the outer side of the hollow nut and the middle ring Between the inner sides, the middle beam can rotate relative to the middle ring, and the middle beam stops axially relative to the middle ring. The other end of the middle ring is fixed to one end of the inner sleeve (7), and a hollow nib (8) is provided, and one end of the hollow nib (8) Set outside the inner sleeve (7), one end of the hollow nib (8) can rotate in the circumferential direction relative to the inner sleeve (7), and one end of the hollow nib (8) stops in the axial direction relative to the inner sleeve 7, and the hollow nib (8) The other end is the tip mouth (9), the other end of the inner sleeve (7) is hollow, the inner wall of the other end of the inner sleeve is provided with internal threads, the outer wall of the other end of the inner sleeve is provided with external threads, and the screw (10) is arranged in the inner In the sleeve (7), the external thread of the screw rod (10) is freely engaged in the internal thread of the inner sleeve (7), the screw rod (10) and the inner sleeve (7) are locked in the circumferential direction, and the screw rod (10) and the inner sleeve (7) ) can move relative to each other in the axial direction. The end of the screw rod (10) close to the mouth of the nib is used for placing the sponge head. There are at least two dust-proof sheets (100). The two dust-proof sheets are combined to form a hollow space. The inner sleeve (7) In the hollow space formed by the mating of 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), and one end of the two dust-proof sheets (100) can be freely engaged with the inner sleeve ( 7) on the external thread, the two dust-proof sheets (100) and the inner sleeve are locked in the circumferential direction, the two dust-proof sheets (100) and the inner sleeve (7) can move freely in the axial direction, and the two dust-proof sheets (100) ) The other end can be opened and closed; the internal thread of the inner sleeve (7) is opposite to the helical direction of the external thread of the inner sleeve (7).
According to claim 1, the improved structure of the double-ended lipstick pen is characterized in that: a connection (200) is provided, the connection (200) is hollow, the axial stop of the connection is sleeved on one end of the hollow nut (6), and the barrel ( 2) The threaded rod at one end freely protrudes from the connection (200), and the connection is between the outside of the hollow nut (6) and the inside of the middle beam (1), and the connection and the middle beam can rotate relatively in the circumferential direction.
The improved structure of the double-ended lipstick pen according to claim 1 is characterized in that: a guide (300) is provided, the guide (300) is hollow, and the guide (300) is fixed on the inner side of the hollow nib (8) close to the nib At one end of the port (9), the two dust-proof sheets (100) are outside the guide (300), and the two dust-proof sheets (100) are stopped relative to the guide (300) in the circumferential direction, and the two dust-proof sheets (100) are opposite to the guide (300). (300) Relatively movable in the axial direction.
The improved structure of the double-ended lipstick pen according to claim 3, characterized in that: the end of the screw (10) near the mouth of the nib is in the guide, and the end of the screw (10) near the mouth of the nib (9) is in the circumferential direction of the guide Locked, the end of the screw rod (10) near the mouth of the nib and the guide can move freely in the axial direction.
The improved structure of the double-ended lipstick pen according to claim 1 is characterized in that: first and second thread pitches (401, 402) are provided on the outside of the inner sleeve, the first thread pitch is close to the mouth of the nib, and the pitch of the first thread pitch is greater than The pitch of the second thread pitch.
The improved structure of the double-ended lipstick pen according to claim 1 is characterized in that: the outside of the screw rod is provided with third and fourth thread pitches (501, 502), the third thread pitch (501) is close to the mouth of the nib, and the third thread pitch is The pitch is less than the pitch of the fourth thread.
The improved structure of the double-ended lipstick pen according to claim 1, characterized in that: the other ends of the two dust-proof sheets (100) are provided with sealing sheets (101) facing each other, and the two sealing sheets (101) can be sealed and joined together.
According to the improved structure of the double-ended lipstick pen according to claim 1, it is characterized in that: a lipstick cover (600) is provided, one end of the lipstick cover is closed and the other end is an open tubular body, and the open end of the lipstick cover can be detachably placed on the On the middle circle, the middle beam is inside the lipstick cap.