CN215014326U - Middle bundle core for lipstick tube - Google Patents
Middle bundle core for lipstick tube Download PDFInfo
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- CN215014326U CN215014326U CN202120073589.3U CN202120073589U CN215014326U CN 215014326 U CN215014326 U CN 215014326U CN 202120073589 U CN202120073589 U CN 202120073589U CN 215014326 U CN215014326 U CN 215014326U
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- fork
- screw
- bundle core
- mid
- lipstick tube
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Abstract
The utility model provides a middle bundle core for a lipstick tube, which comprises a bead, a fork and a screw which are coaxially sleeved together from inside to outside in sequence; wherein the lateral surface of the ball is provided with a bulge, the fork is provided with a through hole groove extending axially, the through hole groove allows the bulge to pass through, the medial surface of the screw is provided with a spiral groove, the bulge passes through the through hole groove and extends into the spiral groove, and the spiral groove allows the bulge to do spiral reciprocating motion in the spiral groove. The utility model provides a well bundle core for lipstick pipe, simple structure makes things convenient for the dismouting, and need not to use lubricating oil, just can guarantee that the motion between each part is smooth and easy, has effectively reduced manufacturing cost.
Description
Technical Field
The utility model relates to a cosmetics packaging technical field especially relates to a well bundle core for lipstick pipe.
Background
The center core is a main component of the lipstick tube, is mainly used for placing lipstick materials or lipsticks and is used as a driving carrier during packaging so as to eject or retract the lipstick materials or the lipsticks. However, the conventional middle core is generally composed of a plurality of parts, the structure is complex, the lubricating performance of each part is generally poor, and during production or use, in order to enable smooth movement among the parts of the middle core, a small amount of lubricating oil is usually used among the parts, but the use of the lubricating oil easily pollutes lipstick materials or lipsticks, and increases the installation process steps and the production cost.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a mid-bundle core for lipstick tubes that overcomes or at least partially solves the above-mentioned problems.
An object of the utility model is to provide a simple structure, and need not to use lubricating oil, just can guarantee the smooth and easy well bundle core that is used for lipstick pipe of motion between each part.
The utility model discloses a further purpose optimizes the young bottom structure of fork, increases the damping for well bundle core is felt better in the use.
Particularly, the utility model provides a middle bundle core for lipstick tube, which comprises a bead, a fork and a screw which are coaxially sleeved together from inside to outside in sequence; wherein
The outer side surface of the bead is provided with a bulge;
the fork is provided with an axially extending through hole groove which allows the protrusion to pass through;
the inner side surface of the screw is provided with a spiral groove, the protrusion penetrates through the through hole groove and extends into the spiral groove, and the spiral groove allows the protrusion to do spiral reciprocating motion in the spiral groove.
Optionally, the fork is further provided with at least one circumferentially extending limiting piece, and the limiting piece is formed on the outer side surface of the fork and located below the through hole groove;
the inner side surface of the screw is provided with a first-order step structure matched with the limiting part, and the step surface of the first-order step structure is abutted against the top surface of the limiting part so as to limit the installation position of the screw on the fork.
Optionally, a first flange is arranged on the top of the fork, the first flange extends outwards from the top of the fork, and a first gap is left between the bottom of the first flange and the top of the screw.
Optionally, an annular retainer ring is arranged around the outer side surface of the bottom of the fork, the annular retainer ring comprises a plurality of radially extending convex portions, and the convex portions and the screw bottom are mutually compressed, so that the torque of the up-and-down stroke of the ball is controlled through the friction between the convex portions and the inner side surface of the screw bottom in the up-and-down stroke of the ball.
Optionally, the bead is further provided with a plurality of clamping plates which are distributed at intervals along the circumferential direction of the bead;
each clamping plate comprises a first part and a second part, and the first part and the second part are respectively positioned at the inner side and the outer side of the bead.
Optionally, the core of the middle bundle further comprises: the middle binding shell is arranged in a hollow mode and sleeved on the outer side of the screw;
the screw comprises a first section and a second section which extend axially, a first step surface is formed at the joint of the first section and the second section, and the first step surface is abutted against the bottom surface of the middle bundle shell to limit the installation position of the middle bundle shell on the screw.
Optionally, the top of the middle bundling shell is provided with a second flange, the second flange extends inwards from the top end of the middle bundling shell, and a second gap is reserved between the bottom of the second flange and the top of the fork.
Optionally, the fork is further provided with:
the first limiting hole and the second limiting hole extend from the two ends of the through hole groove along the circumferential direction of the fork, and are located at the two sides of the through hole groove.
Optionally, the top end of the fork is further provided with a mounting opening extending to the through hole groove.
Optionally, the number of the protrusions, the number of the through hole grooves and the number of the spiral grooves are two; and is
The two bulges are symmetrically distributed;
the two through hole grooves are symmetrically distributed;
the two spiral grooves are symmetrically distributed.
The utility model discloses lateral surface at the pearl is young sets up the arch, sets up the through-hole groove on the fork is young, sets up spiral groove at the medial surface of spiral shell, and the arch can pass the through-hole groove and stretch into in the spiral groove to drive the young motion of pearl under the guide in through-hole groove. The utility model provides a well bundle core for lipstick pipe, simple structure makes things convenient for the dismouting, and need not to use lubricating oil, just can guarantee that the motion between each part is smooth and easy, has effectively reduced manufacturing cost.
Further, the utility model discloses optimize the young bottom structure of fork, can effectively increase the damping for well bundle core is felt better in the use, has promoted user's use and has experienced.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic structural view of a mid-bundle core for a lipstick tube according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the mid-bundle core for a lipstick tube shown in FIG. 1;
FIG. 3 is an exploded view of the center wick for the lipstick tube shown in FIG. 1;
fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 is a schematic structural view of a middle bundle core 100 for a lipstick tube according to an embodiment of the present invention, fig. 2 is a schematic sectional structural view of the middle bundle core 100 for a lipstick tube shown in fig. 1, fig. 3 is an exploded view of the middle bundle core 100 for a lipstick tube shown in fig. 1, and fig. 4 is a partially enlarged schematic view of a portion a in fig. 3. Referring to fig. 1 to 4, the middle bundle core 100 for a lipstick tube of the present embodiment may include a bead 110, a fork 120, and a screw 130 coaxially sleeved together from inside to outside in sequence. The lipstick material or lipstick is fixed on the bead 110, and the movement of the bead 110 can drive the lipstick material or lipstick to move, so as to realize the ejection or retraction of the lipstick material or lipstick.
The fork 120 is hollow, the bead 110 is sleeved in the fork 120, and the outer side surface of the bead 110 is opposite to the inner side surface of the fork 120. The outer side of the bead 110 may be provided with a protrusion 111. The prongs 120 may be provided with axially extending through-hole slots 121, the through-hole slots 121 allowing the protrusions 111 to pass through and guiding the protrusions 111 to move within the through-hole slots 121. The screw 130 is also hollow and is sleeved on the fork 120. The inner side surface of the screw 130 may be provided with a spiral groove 131 so that the protrusion 111 may pass through the through hole groove 121 and extend into the spiral groove 131, and spirally reciprocate in the spiral groove 110, thereby moving the beads 110 to eject and withdraw the lipstick material or lipstick.
The projection 111 may be one, two, or more than two. The through-hole grooves 121 and the spiral grooves 131 are provided in one-to-one correspondence with the protrusions 111. In the illustrated embodiment, two protrusions 111, two through-hole grooves 121 and two spiral grooves 131 are provided, and the two protrusions 111 are symmetrically distributed on the outer side surface of the bead 110, the two through-hole grooves 121 are symmetrically distributed on the wall of the fork 120, and the two spiral grooves 131 are symmetrically distributed on the inner side surface of the screw 130.
The protrusion 111 of the present embodiment can be guided by the through hole groove 121 to move in the axial direction of the fork 120 and make a spiral reciprocating motion in the spiral groove 131, so as to drive the bead 110 to move, and thus, the lipstick material or lipstick can be ejected and retracted. The middle bundle core 100 for the lipstick tube of the embodiment has the advantages of simple structure, convenience in disassembly and assembly, no need of lubricating oil, capability of ensuring smooth movement among all the parts, and effective reduction of production cost.
The fork 120 is further provided with a first limiting hole 122 and a second limiting hole 123. The first limiting hole 122 and the second limiting hole 123 extend from two ends of the through hole groove 121 along the circumferential direction of the fork 120, and are located at two sides of the through hole groove 121. The first limiting hole 122 is used for limiting the ascending terminal point of the movement of the protrusion 111 in the fork 120, and the second limiting hole 123 is used for limiting the descending terminal point of the movement of the protrusion 111 in the fork 120. The top end of the fork 120 is further provided with a mounting opening 124 extending to the through hole slot 121 for facilitating mounting.
At least one part of the protrusion 111 can be configured to be matched with the inner wall of the spiral groove 131, so that the protrusion 111 can be effectively prevented from being separated from the spiral groove 131 when moving, and the movement stability is improved.
In order to achieve smooth movement, the size of the part needs to be uniform in the production process, and a mirror polishing process can be adopted to process a part of surface of the part. Specifically, the protrusion 111 on the outer side of the bead 110 and the spiral groove 131 on the inner side of the screw 130 may be mirror-polished, so as to reduce the surface roughness of the contact surface between the protrusion 111 and the spiral groove 131, and reduce the resistance of the bead during movement, thereby achieving the effect of smooth movement without using lubricant.
In addition, in order to further improve the smooth effect of the movement, the spiral parameters of the spiral groove 131 may be optimally designed, for example, the spiral angle and the pitch of the spiral groove 131 may be optimally designed, the spiral angle is preferably 45 °, and the pitch is preferably 15 mm.
On the basis of the above embodiment, the fork 120 may further be provided with at least one circumferentially extending stopper 125. The stopper 125 is formed on the outer side surface of the yoke 120 and located below the through hole 121. The two stoppers 125 are preferably provided and symmetrically disposed on the outer side of the yoke 120. Correspondingly, the inner side surface of the screw 130 is formed with a one-step structure 132 matched with the stopper 125, and the step surface of the one-step structure 132 abuts against the top surface of the stopper 125 to define the installation position of the screw 130 on the fork 120. The assembly of the core harness 100 is facilitated by the cooperation of the stoppers 125 and the one-step structure 132, so as to improve the installation efficiency.
The top of the fork 120 may be provided with a first flange 126, and the first flange 126 extends outwards from the top of the fork 120, so that the first flange can effectively prevent the screw 130 from coming off the fork 120, and helps to improve the structural stability of the core harness 100.
A first gap is left between the bottom of the first flange 126 and the top of the screw 130, so that friction between the bottom of the first flange 126 and the top of the screw 130 during rotation of the yoke 120 can be avoided. It should be noted that the first gap has a small size, and it is only necessary that the bottom of the first flange 126 and the top of the screw 130 do not contact each other during the rotation of the yoke 120.
In some embodiments, the outer side of the bottom of the fork 120 is further provided with an annular collar 127. The annular retainer 127 may include a plurality of radially extending projections 1271, the projections 1271 being capable of pressing against the bottom of the screw 130 to control the torque on the upward and downward travel of the ball 110 during the upward and downward travel of the ball by friction between the projections 1271 and the inner surface of the bottom of the screw 130. According to the embodiment, the friction between the bottom of the fork 120 and the bottom of the screw 130 can be increased through the convex part 1271 of the annular retainer ring 127, so that the damping is effectively increased, the hand feeling of the center-bundle core 100 is better in the motion process, and the use experience of a user is improved.
In practical applications, the core 100 may further include a core shell 140. The middle beam shell 140 is hollow and is sleeved outside the screw 130. The screw 130 may include a first segment 133 and a second segment 134 extending axially. Wherein the outer diameter of the first section 133 is larger than that of the second section 134, and at this time, the junction of the first section 133 and the second section 134 forms a step surface 135, and the step surface 135 can abut against the bottom surface of the middle bundle shell 140 to define the installation position of the middle bundle shell 140 on the bolt 130.
Further, a second flange 141 may be provided at the top of the middle bundle housing 140, and the second flange 141 may extend inward from the top end of the middle bundle housing 140. A second gap is left between the bottom of the second flange 141 and the top of the fork, so that friction between the bottom of the second flange 141 and the top of the fork 120 during rotation of the fork 120 can be avoided. It should be noted that the second gap is small, and it is only necessary that the bottom of the second flange 141 and the top of the fork 120 do not contact each other during the rotation of the fork 120.
In addition, a plurality of clamping plates 112 are arranged on the bead rings 110. A plurality of catch plates 112 may be spaced apart along the circumferential direction of the beads 110 for holding lipstick material or lipstick. The catch plate 112 may include a first portion located on an outer side of the bead 110 and a second portion located on an inner side of the bead 110. The thickness of the first portion in the radial direction of the bead 110 should be smaller than the thickness of the protrusion 111 in the radial direction of the bead 110, so as to reduce the friction between the bead 110 and the fork 120, and to make the movement between the bead 110 and the fork smooth.
During assembly, the small ball 110 is sleeved in the small fork 120, the protrusion 111 of the small ball 110 penetrates through the through hole groove 121 of the small fork 120, the small fork 120 is sleeved in the screw 130, the protrusion 111 of the small ball 110 penetrates through the through hole groove 121 and then extends into the spiral groove 131, the plurality of protrusions 1271 of the annular retainer ring 127 of the small fork 120 are mutually pressed with the bottom of the screw 130, so that the torque of the up-and-down stroke is provided for the small ball 110 through friction between the plurality of protrusions 1271 and the inner side surface of the bottom of the screw 130, and the middle-bundle shell 140 is sleeved on the outer side of the screw 130.
In use, the middle-bundle shell 140 is held, the fork 120 is rotated to drive the bead 110 to move, and due to the limitation of the first limiting hole 122, the second limiting hole 123 and the through hole groove 121, the protrusion 111 can be guided to move along the axial direction of the bead 110, and meanwhile, the protrusion 111 can also be guided to move along the spiral groove 131.
The embodiment of the utility model provides a well bundle core for lipstick pipe, simple structure makes things convenient for the dismouting, and need not to use lubricating oil, just can guarantee that the motion between each part is smooth and easy, has effectively reduced manufacturing cost. And, the utility model discloses optimize the young bottom structure of fork, can effectively increase the damping for well bundle core is felt better in the use, has promoted user's use and has experienced. The embodiment of the utility model provides a spiral shell structure has still been optimized, and the resistance reduces when making the young motion of pearl to reach the effect of the motion that still can be smooth and easy not using lubricating oil.
In the above embodiments, the front or back, up or down, left or right of each structural member is defined by the position of the structural member relative to the user in the normal use state. Moreover, it should be noted that the use of front or rear, upper or lower, left or right is merely for convenience and simplicity of description and is not intended to indicate or imply that the device or structure being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A middle bundle core for a lipstick tube is characterized by comprising a bead, a fork and a screw which are coaxially sleeved together in sequence from inside to outside; wherein
The outer side surface of the bead is provided with a bulge;
the fork is provided with an axially extending through hole groove, and the through hole groove allows the protrusion to pass through;
the inner side surface of the screw is provided with a spiral groove, the protrusion penetrates through the through hole groove and extends into the spiral groove, and the spiral groove allows the protrusion to do spiral reciprocating motion in the spiral groove.
2. The mid-bundle core for a lipstick tube as claimed in claim 1,
the fork is also provided with at least one limiting piece extending in the circumferential direction, and the limiting piece is formed on the outer side surface of the fork and is positioned below the through hole groove;
the inner side surface of the screw is provided with a first-order step structure matched with the limiting part, and the step surface of the first-order step structure is abutted against the top surface of the limiting part so as to limit the installation position of the screw on the fork.
3. The mid-bundle core for a lipstick tube as claimed in claim 2,
the top of the fork is provided with a first flange, the first flange extends outwards from the top of the fork, and a first gap is reserved between the bottom of the first flange and the top of the screw.
4. The mid-bundle core for a lipstick tube as claimed in claim 2,
the outer side face of the bottom of the fork is provided with an annular retainer ring in a surrounding mode, the annular retainer ring comprises a plurality of convex portions extending in the radial direction, the convex portions and the bottom of the screw are mutually compressed, and therefore the torque of the up-and-down stroke of the ball is controlled through friction between the convex portions and the inner side face of the bottom of the screw in the up-and-down stroke of the ball.
5. The mid-bundle core for a lipstick tube as claimed in claim 1,
the bead is also provided with a plurality of clamping plates which are distributed at intervals along the circumferential direction of the bead;
each clamping plate comprises a first part and a second part, and the first part and the second part are respectively positioned at the inner side and the outer side of the bead.
6. The mid-bundle core for a lipstick tube as claimed in claim 1,
the core also includes: the middle binding shell is arranged in a hollow mode and sleeved on the outer side of the screw;
the screw comprises a first section and a second section which extend axially, a first step surface is formed at the joint of the first section and the second section, and the first step surface is abutted against the bottom surface of the middle bundle shell to limit the installation position of the middle bundle shell on the screw.
7. The mid-bundle core for a lipstick tube as claimed in claim 6,
the top of the middle bundling shell is provided with a second flange, the second flange extends inwards from the top end of the middle bundling shell, and a second gap is reserved between the bottom of the second flange and the top of the fork.
8. The mid-bundle core for a lipstick tube as claimed in claim 1, wherein said prongs are further provided with:
and the first limiting hole and the second limiting hole extend from the two ends of the through hole groove along the circumferential direction of the fork, and are positioned at the two sides of the through hole groove.
9. The mid-bundle core for a lipstick tube as claimed in claim 1,
the top end of the fork is also provided with a mounting opening extending to the through hole groove.
10. The mid-bundle core for lipstick tubes as claimed in claim 1, wherein said protrusion, said through hole groove and said spiral groove are provided in two; and is
The two bulges are symmetrically distributed;
the two through hole grooves are symmetrically distributed;
two spiral grooves are symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120073589.3U CN215014326U (en) | 2021-01-12 | 2021-01-12 | Middle bundle core for lipstick tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120073589.3U CN215014326U (en) | 2021-01-12 | 2021-01-12 | Middle bundle core for lipstick tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215014326U true CN215014326U (en) | 2021-12-07 |
Family
ID=79250058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120073589.3U Active CN215014326U (en) | 2021-01-12 | 2021-01-12 | Middle bundle core for lipstick tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215014326U (en) |
-
2021
- 2021-01-12 CN CN202120073589.3U patent/CN215014326U/en active Active
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