CN212100056U - Cosmetic bottle cap capable of automatically pumping liquid - Google Patents
Cosmetic bottle cap capable of automatically pumping liquid Download PDFInfo
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- CN212100056U CN212100056U CN202020597893.3U CN202020597893U CN212100056U CN 212100056 U CN212100056 U CN 212100056U CN 202020597893 U CN202020597893 U CN 202020597893U CN 212100056 U CN212100056 U CN 212100056U
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Abstract
The utility model discloses a cosmetic bottle lid of ability automatic drawing liquid, include: the piston assembly comprises a button, an outer cover, a middle cover, a piston assembly, an inner cover, a gasket and a dropper; the piston assembly includes: top cover, spring, endotheca, piston and piston rod. When the bottle cap is screwed on the bottle mouth of the cosmetic bottle, the button can be automatically pressed down, and the dropper generates negative pressure; when the bottle cap is unscrewed from the bottle mouth of the cosmetic bottle, the button can be automatically bounced, and the liquid in the cosmetic bottle can be automatically pumped into the dropper; after the bottle cap is unscrewed from the bottle mouth of the cosmetic bottle, the button can be manually pressed to squeeze out liquid in the dropper, and after the button is loosened, the button can automatically rebound; the liquid amount automatically pumped into the dropper each time is basically consistent, and the liquid amount extruded each time is also basically consistent, so that the quantitative extrusion can be basically realized.
Description
Technical Field
The utility model relates to a cosmetic bottle cap capable of automatically pumping liquid.
Background
The cosmetic bottle is usually used for containing liquid, when the cosmetic bottle is used, the cosmetic liquid is usually extracted by adopting a rubber head dropper, and the cosmetic bottle is not easy to fix in the mode of taking the liquid every time, so that waste is caused to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cosmetic bottle cap capable of automatically pumping liquid, which can automatically press a button and enable a dropper to generate negative pressure when the bottle cap is screwed on the bottle mouth of a cosmetic bottle; when the bottle cap is unscrewed from the bottle mouth of the cosmetic bottle, the button can be automatically bounced, and the liquid in the cosmetic bottle can be automatically pumped into the dropper; after the bottle cap is unscrewed from the bottle mouth of the cosmetic bottle, the button can be manually pressed to squeeze out liquid in the dropper, and after the button is loosened, the button can automatically rebound; the liquid amount automatically pumped into the dropper each time is basically consistent, and the liquid amount extruded each time is also basically consistent, so that the quantitative extrusion can be basically realized.
In order to achieve the above object, the technical scheme of the utility model is to design a cosmetic bottle lid that can automatic draw liquid, include: the piston assembly comprises a button, an outer cover, a middle cover, a piston assembly, an inner cover, a gasket and a dropper; the piston assembly includes: the piston comprises a top cover, a spring, an inner sleeve, a piston and a piston rod;
the internal perisporium of inner cup lower part is equipped with: the internal thread structure is used for being in threaded connection with the opening of the cosmetic bottle; the inner peripheral wall in the middle of the inner cover extends out: a clamping seat for clamping the dropper; the clamping seat and the inner cover share the axis; the top end of the dropper is clamped with the clamping seat, the dropper and the clamping seat share the same axis, and the gasket is arranged between the dropper and the clamping seat; the clamping seat is provided with a vertical through hole communicated with the dropper, and the vertical through hole and the inner cover share the same axis; the middle cover is sleeved on the periphery of the inner cover, the outer cover is sleeved on the periphery of the middle cover, and the inner peripheral wall of the outer cover is fixedly connected with the outer peripheral wall of the middle cover; the top end of the outer cover is open, the bottom end of the outer cover extends inwards to form an annular inner folded edge, the inner folded edge is abutted against the end face of the bottom end of the inner cover, and the inner diameter of the inner folded edge is larger than that of the inner cover;
the inner sleeve extends into the upper part of the inner cover, and the bottom end of the inner sleeve is sleeved on the clamping seat; the top cover is sleeved on the periphery of the inner sleeve, and a pair of convex blocks extends outwards from the bottom end of the top cover and is symmetrically arranged around the axis of the top cover; the upper part of the inner cover is provided with a pair of limiting grooves which are vertically arranged, the top ends of the limiting grooves are open, and the limiting grooves are symmetrically arranged by the axis of the inner cover; the pair of limiting grooves correspond to the pair of lugs one to one, and the lugs are inserted into the corresponding limiting grooves and are in sliding fit with the limiting grooves; the pair of convex blocks also respectively penetrate through the inner cover and are attached to the inner peripheral wall of the middle cover; the top end of the middle cover is provided with an annular step for limiting the pair of lugs to move upwards, and the pair of lugs are positioned below the annular step; the inner peripheral wall of the top of the middle cover is further extended with an inner pair of steps which are symmetrically arranged with the axis of the middle cover, the bottom edges of the inner pair of steps are spirally extended downwards from the top of the inner peripheral wall of the middle cover, and the spiral directions of the bottom edges of the inner pair of steps are the same; the inner steps correspond to the lugs one to one, when the middle cover rotates, the bottom edges of the inner steps can contact the corresponding lugs and push the lugs to move downwards, and the bottom edges of the inner steps are driving rails for guiding the lugs to move downwards; the bottom end of the bottom edge of the inner step is formed by the following steps: a limiting part for preventing the lug from moving downwards continuously; the joint part of the limiting part and the driving rail is also provided with an upward concave groove, and the groove can be clamped by the corresponding lug;
the top wall of the top cover extends downwards: the clamping sleeve is used for clamping the piston rod; the top end of the piston rod is inserted into the clamping sleeve and clamped with the clamping sleeve; the piston is sleeved on the piston rod, the inner ring of the piston is fixed between the piston rod and the clamping sleeve, and the outer ring of the piston is in sliding fit with the inner peripheral wall of the inner sleeve; the spring is sleeved on the periphery of the clamping sleeve and compressed between the top cover and the inner sleeve, and the spring presses the inner sleeve on the clamping seat of the inner cover all the time; the button is clamped with the top end of the top cover.
Preferably, the thread direction of the pair of inner step bases is opposite to the thread direction of the inner lid lower portion female thread structure.
Preferably, the inner wall of the groove is arc-shaped.
Preferably, the bottom end of the piston rod is provided with: an inner cover for covering the vertical through hole of the clamping seat.
Preferably, when the lug of the top cover is clamped into the groove of the inner step of the middle cover, the inner cover at the bottom end of the piston rod covers the vertical through hole of the clamping seat.
The utility model has the advantages and the beneficial effects that: the cosmetic bottle cap can automatically pump liquid, when the bottle cap is screwed on the bottle mouth of a cosmetic bottle, a button can be automatically pressed down, and a dropper generates negative pressure; when the bottle cap is unscrewed from the bottle mouth of the cosmetic bottle, the button can be automatically bounced, and the liquid in the cosmetic bottle can be automatically pumped into the dropper; after the bottle cap is unscrewed from the bottle mouth of the cosmetic bottle, the button can be manually pressed to squeeze out liquid in the dropper, and after the button is loosened, the button can automatically rebound; the liquid amount automatically pumped into the dropper each time is basically consistent, and the liquid amount extruded each time is also basically consistent, so that the quantitative extrusion can be basically realized.
The utility model discloses cosmetic bottle lid's use as follows:
1) inserting a dropper into the liquid of the cosmetic bottle, screwing a bottle cap on the bottle mouth of the cosmetic bottle, wherein the bottle mouth is provided with an external thread structure for being in threaded connection with an inner cap, and screwing the inner cap on the bottle mouth of the cosmetic bottle by screwing the outer cap; in the process of screwing the outer cover, the middle cover and the outer cover synchronously rotate, the driving rail on the middle cover contacts the lug and pushes the lug to move downwards along the limiting groove, the top cover synchronously moves downwards along with the lug, the top cover drives the button, the piston rod and the piston to move downwards so that the button is automatically pressed, and in the process of moving downwards of the piston, part of air in the dropper is squeezed out from the bottom end of the dropper so that the dropper generates negative pressure; when the lug moves relative to the driving rail and is clamped into the groove, the spring pushes the lug in the groove, the lug is prevented from being separated from the groove after hands are released, and the button is kept in a pressed state;
2) screwing the bottle cap off the bottle mouth of the cosmetic bottle by reversely screwing the outer cap, and drawing the dropper out of the cosmetic bottle; in the process of reversely screwing the outer cover, the middle cover and the outer cover synchronously rotate to push the convex block out of the groove, after the convex block is separated from the groove, the spring drives the top cover to move upwards, the top cover drives the button, the piston rod and the piston to move upwards, so that the button is automatically bounced, and in the process of moving the piston upwards, part of liquid in the cosmetic bottle is sucked into the dropper;
3) aligning the dropper to a part of a human body to be smeared with liquid, manually pressing a button, wherein a top cover and the button synchronously move downwards in the process of pressing the button, the top cover drives a piston rod and a piston to move downwards, and in the process of moving downwards the piston, part or all of the liquid in the dropper is squeezed out from the bottom end of the dropper and drops to the part of the human body to be smeared with the liquid; then the button is released, and after the button is released, the spring drives the top cover and the button to move upwards, and the button automatically rebounds.
In the step 1), when the convex block of the top cover is clamped into the groove of the inner step of the middle cover, the inner cover at the bottom end of the piston rod covers the vertical through hole of the clamping seat, so that the effect of sealing the vertical through hole can be achieved, and the liquid in the dropper can be prevented from flowing back into the inner sleeve.
Drawings
FIG. 1 is a front view of the cosmetic bottle cap of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an exploded view of the cosmetic bottle cap of the present invention, including the piston assembly;
fig. 4 is a schematic view of an inner step on the middle cap.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 4, the utility model provides a cosmetic bottle cap capable of automatically pumping liquid, which comprises: the device comprises a button 1, an outer cover 2, a middle cover 3, a piston assembly 4, an inner cover 5, a gasket 6 and a dropper 7; the piston assembly 4 includes: a top cover 41, a spring 42, an inner sleeve 43, a piston 44, and a piston rod 45;
the internal perisporium of inner cup 5 lower part is equipped with: an internal thread structure 51 for threaded connection with the opening of the cosmetic bottle; the inner peripheral wall of the middle part of the inner cover 5 extends out: a clamping seat 52 for clamping the dropper 7; the clamping seat 52 and the inner cover 5 are coaxial; the top end of the dropper 7 is clamped with the clamping seat 52, the dropper 7 and the clamping seat 52 are coaxial, and the gasket 6 is arranged between the dropper 7 and the clamping seat 52; the clamping seat 52 is provided with a vertical through hole 521 communicated with the dropper 7, and the vertical through hole 521 and the inner cover 5 are coaxial; the middle cover 3 is sleeved on the periphery of the inner cover 5, the outer cover 2 is sleeved on the periphery of the middle cover 3, and the inner peripheral wall of the outer cover 2 is fixedly connected with the outer peripheral wall of the middle cover 3; the top end of the outer cover 2 is open, the bottom end of the outer cover 2 extends inwards to form an annular inner folded edge 21, the inner folded edge 21 is abutted against the bottom end face of the inner cover 5, and the inner diameter of the inner folded edge 21 is larger than that of the inner cover 5;
the inner sleeve 43 extends into the upper part of the inner cover 5, and the bottom end of the inner sleeve 43 is sleeved on the clamping seat 52; the top cover 41 is sleeved on the periphery of the inner sleeve 43, a pair of lugs 411 extend outwards from the bottom end of the top cover 41, and the lugs 411 are symmetrically arranged around the axis of the top cover 41; the upper part of the inner cover 5 is provided with a pair of limiting grooves 53, the limiting grooves 53 are vertically arranged, the top ends of the limiting grooves 53 are open, and the limiting grooves 53 are symmetrically arranged at the axis of the inner cover 5; the pair of limiting grooves 53 correspond to the pair of projections 411 one by one, and the projections 411 are inserted into the corresponding limiting grooves 53 and are in sliding fit with the limiting grooves 53; the pair of projections 411 further respectively penetrate through the inner cover 5 and abut against the inner peripheral wall of the middle cover 3; the top end of the middle cover 3 is provided with an annular step 31 for limiting the pair of lugs 411 to move upwards, and the pair of lugs 411 are positioned below the annular step 31; the inner peripheral wall of the top of the middle cover 3 is further extended with an inner pair of steps 32, the inner pair of steps 32 is symmetrically arranged with the axis of the middle cover 3, the bottom edges of the inner pair of steps 32 are spirally extended downwards from the top of the inner peripheral wall of the middle cover 3, and the spiral directions of the bottom edges of the inner pair of steps 32 are the same; the pair of inner steps 32 correspond to the pair of protrusions 411 one by one, when the middle cover 3 rotates, the bottom edge of the inner step 32 can contact the corresponding protrusion 411 and push the protrusion 411 to move downwards, and the bottom edge of the inner step 32 is used as a driving rail 321 for guiding the protrusion 411 to move downwards; the bottom end of the bottom edge of the inner step 32 is also formed by protruding downwards: a limiting part 322 for preventing the projection 411 from moving downwards continuously; the joint of the limiting part 322 and the driving rail 321 is further provided with a groove 323 which is concave upwards, and the groove 323 can be used for the corresponding bump 411 to be clamped in;
the top wall of the top cover 41 extends downward: a clamp sleeve 412 for clamping the piston rod 45; the top end of the piston rod 45 is inserted into the clamping sleeve 412 and clamped with the clamping sleeve 412; the piston 44 is sleeved on the piston rod 45, the inner ring of the piston 44 is fixed between the piston rod 45 and the clamping sleeve 412, and the outer ring of the piston 44 is in sliding fit with the inner peripheral wall of the inner sleeve 43; the spring 42 is sleeved on the periphery of the clamping sleeve 412, the spring 42 is compressed between the top cover 41 and the inner sleeve 43, and the inner sleeve 43 is pressed on the clamping seat 52 of the inner cover 5 by the spring 42 all the time; the button 1 is engaged with the top end of the top cover 41.
The helical direction of the bottom edges of the pair of inner steps 32 is opposite to the helical direction of the internal thread structure 51 of the lower portion of the inner lid 5.
The inner wall of the groove 323 is circular arc-shaped.
The bottom end of the piston rod 45 is provided with: an inner cover 451 for covering the vertical through hole 521 of the catching seat 52; when the protrusion 411 of the top cover 41 is caught in the groove 323 of the inner step 32 of the middle cap 3, the inner cover 451 at the bottom end of the piston rod 45 covers the vertical through hole 521 of the catching seat 52.
The utility model discloses cosmetic bottle lid's use as follows:
1) inserting the dropper 7 into the liquid of the cosmetic bottle, screwing the bottle cap on the bottle mouth of the cosmetic bottle, wherein the bottle mouth is provided with an external thread structure for being in threaded connection with the inner cap 5, and screwing the outer cap 2 to tightly screw the inner cap 5 on the bottle mouth of the cosmetic bottle; in the process of screwing the outer cover 2, the middle cover 3 and the outer cover 2 synchronously rotate, the driving rail 321 on the middle cover 3 contacts the lug 411 and pushes the lug 411 to move downwards along the limiting groove 53, the top cover 41 synchronously moves downwards along with the lug 411, the top cover 41 drives the button 1, the piston rod 45 and the piston 44 to move downwards, so that the button 1 is automatically pressed down, and in the process of moving downwards of the piston 44, part of air in the dropper 7 is squeezed out from the bottom end of the dropper 7, so that the dropper 7 generates negative pressure; when the protrusion 411 moves relative to the driving rail 321 and is clamped into the groove 323, the spring 42 pushes the protrusion 411 against the groove 323 to prevent the protrusion 411 from being separated from the groove 323 after the hand is released, so that the button 1 is kept pressed;
2) screwing the outer cover 2 reversely, unscrewing the bottle cover from the bottle opening of the cosmetic bottle, and drawing the dropper 7 out of the cosmetic bottle; in the process of reversely screwing the outer cover 2, the middle cover 3 and the outer cover 2 synchronously rotate to push the convex block 411 out of the groove 323, after the convex block 411 is separated from the groove 323, the spring 42 drives the top cover 41 to move upwards, the top cover 41 drives the button 1, the piston rod 45 and the piston 44 to move upwards, so that the button 1 automatically bounces, and in the process of moving the piston 44 upwards, part of liquid in the cosmetic bottle is sucked into the dropper 7;
3) aligning the dropper 7 to a human body part needing to be smeared with liquid, manually pressing the button 1, wherein the top cover 41 and the button 1 synchronously move downwards in the process that the button 1 is pressed, the top cover 41 drives the piston rod 45 and the piston 44 to move downwards, and in the process that the piston 44 moves downwards, part or all of the liquid in the dropper 7 is squeezed out from the bottom end of the dropper 7 and drops to the human body part needing to be smeared with liquid; then the button 1 is released, after the button 1 is released, the spring 42 drives the top cover 41 and the button 1 to move upwards, and the button 1 automatically rebounds.
In the step 1), when the protrusion 411 of the top cover 41 is inserted into the groove 323 of the inner step 32 of the middle cover 3, the inner cover 451 at the bottom end of the piston rod 45 covers the vertical through hole 521 of the clamping seat 52, so as to play a role of closing the vertical through hole 521 and prevent the liquid in the dropper 7 from flowing backward into the inner sleeve 43.
From the above, the utility model discloses a cosmetic bottle lid has following characteristics:
1) when the bottle cap is screwed on the bottle mouth of the cosmetic bottle, the button 1 can be automatically pressed down, the dropper 7 generates negative pressure, and the liquid in the dropper 7 can be prevented from flowing backwards into the inner sleeve 43;
2) when the bottle cap is unscrewed from the bottle mouth of the cosmetic bottle, the button 1 can be automatically bounced, and the liquid in the cosmetic bottle can be automatically pumped into the dropper 7;
3) after the dropper 7 is pulled out from the cosmetic bottle, the button 1 can be manually pressed to squeeze out the liquid in the dropper 7, and after the button 1 is released, the button 1 can automatically rebound;
4) the liquid amount automatically pumped into the dropper 7 each time is basically consistent, and the liquid amount extruded each time is also basically consistent, so that the quantitative extrusion can be basically realized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. Cosmetic bottle lid that can automatic draw liquid, its characterized in that includes: the piston assembly comprises a button, an outer cover, a middle cover, a piston assembly, an inner cover, a gasket and a dropper; the piston assembly includes: the piston comprises a top cover, a spring, an inner sleeve, a piston and a piston rod;
the internal perisporium of inner cup lower part is equipped with: the internal thread structure is used for being in threaded connection with the opening of the cosmetic bottle; the inner peripheral wall in the middle of the inner cover extends out: a clamping seat for clamping the dropper; the clamping seat and the inner cover share the axis; the top end of the dropper is clamped with the clamping seat, the dropper and the clamping seat share the same axis, and the gasket is arranged between the dropper and the clamping seat; the clamping seat is provided with a vertical through hole communicated with the dropper, and the vertical through hole and the inner cover share the same axis; the middle cover is sleeved on the periphery of the inner cover, the outer cover is sleeved on the periphery of the middle cover, and the inner peripheral wall of the outer cover is fixedly connected with the outer peripheral wall of the middle cover; the top end of the outer cover is open, the bottom end of the outer cover extends inwards to form an annular inner folded edge, the inner folded edge is abutted against the end face of the bottom end of the inner cover, and the inner diameter of the inner folded edge is larger than that of the inner cover;
the inner sleeve extends into the upper part of the inner cover, and the bottom end of the inner sleeve is sleeved on the clamping seat; the top cover is sleeved on the periphery of the inner sleeve, and a pair of convex blocks extends outwards from the bottom end of the top cover and is symmetrically arranged around the axis of the top cover; the upper part of the inner cover is provided with a pair of limiting grooves which are vertically arranged, the top ends of the limiting grooves are open, and the limiting grooves are symmetrically arranged by the axis of the inner cover; the pair of limiting grooves correspond to the pair of lugs one to one, and the lugs are inserted into the corresponding limiting grooves and are in sliding fit with the limiting grooves; the pair of convex blocks also respectively penetrate through the inner cover and are attached to the inner peripheral wall of the middle cover; the top end of the middle cover is provided with an annular step for limiting the pair of lugs to move upwards, and the pair of lugs are positioned below the annular step; the inner peripheral wall of the top of the middle cover is further extended with an inner pair of steps which are symmetrically arranged with the axis of the middle cover, the bottom edges of the inner pair of steps are spirally extended downwards from the top of the inner peripheral wall of the middle cover, and the spiral directions of the bottom edges of the inner pair of steps are the same; the inner steps correspond to the lugs one to one, when the middle cover rotates, the bottom edges of the inner steps can contact the corresponding lugs and push the lugs to move downwards, and the bottom edges of the inner steps are driving rails for guiding the lugs to move downwards; the bottom end of the bottom edge of the inner step is formed by the following steps: a limiting part for preventing the lug from moving downwards continuously; the joint part of the limiting part and the driving rail is also provided with an upward concave groove, and the groove can be clamped by the corresponding lug;
the top wall of the top cover extends downwards: the clamping sleeve is used for clamping the piston rod; the top end of the piston rod is inserted into the clamping sleeve and clamped with the clamping sleeve; the piston is sleeved on the piston rod, the inner ring of the piston is fixed between the piston rod and the clamping sleeve, and the outer ring of the piston is in sliding fit with the inner peripheral wall of the inner sleeve; the spring is sleeved on the periphery of the clamping sleeve and compressed between the top cover and the inner sleeve, and the spring presses the inner sleeve on the clamping seat of the inner cover all the time; the button is clamped with the top end of the top cover.
2. An automatic pumping cosmetic bottle cap according to claim 1, wherein the helical direction of the bottom edges of the pair of inner steps is opposite to the helical direction of the internal thread structure of the lower portion of the inner cap.
3. The cosmetic bottle cap capable of automatically pumping liquid of claim 2, wherein the inner wall of the groove is arc-shaped.
4. The cosmetic bottle cap capable of automatically pumping liquid according to claim 3, wherein the bottom end of the piston rod is provided with: an inner cover for covering the vertical through hole of the clamping seat.
5. The cosmetic bottle cap capable of automatically pumping liquid according to claim 4, wherein when the projection of the top cover is clamped into the groove of the inner step of the middle cover, the inner cover at the bottom end of the piston rod covers the vertical through hole of the clamping seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020597893.3U CN212100056U (en) | 2020-04-21 | 2020-04-21 | Cosmetic bottle cap capable of automatically pumping liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020597893.3U CN212100056U (en) | 2020-04-21 | 2020-04-21 | Cosmetic bottle cap capable of automatically pumping liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212100056U true CN212100056U (en) | 2020-12-08 |
Family
ID=73640223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020597893.3U Active CN212100056U (en) | 2020-04-21 | 2020-04-21 | Cosmetic bottle cap capable of automatically pumping liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212100056U (en) |
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2020
- 2020-04-21 CN CN202020597893.3U patent/CN212100056U/en active Active
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