CN218143228U - Rotary self-priming dropper - Google Patents
Rotary self-priming dropper Download PDFInfo
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- CN218143228U CN218143228U CN202222195979.5U CN202222195979U CN218143228U CN 218143228 U CN218143228 U CN 218143228U CN 202222195979 U CN202222195979 U CN 202222195979U CN 218143228 U CN218143228 U CN 218143228U
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- dropper
- pressing cap
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- priming
- cap
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Abstract
The utility model relates to a rotary self-priming dropper, which comprises an inner cover (4), wherein a through mounting hole is arranged inside the inner cover (4); the dropper pressing liquid taking assembly is fixedly arranged in the through mounting hole of the inner cover; the pressing cap (2) is sleeved on the inner cover (4) and is connected with the pressing liquid taking assembly, and the up-and-down movement of the pressing cap (2) can control the liquid taking and discharging of the dropper pressing liquid taking assembly; the outer cover (1) is at least sleeved outside the pressing cap (2), and a guide mechanism for converting the circumferential rotation motion of the outer cover (1) into the downward linear motion of the pressing cap (2) is arranged between the outer cover (1) and the pressing cap (2); the method is characterized in that: an elastic piece (7) is further arranged between the inner cover (4) and the pressing cap (2), the elastic piece (7) is compressed when the pressing cap (2) moves downwards to generate elastic resetting force, and the elastic resetting force can drive the pressing cap (2) to move upwards to reset. The elastic piece is arranged in the rotary self-priming dropper, when a user needs to suck a plurality of tubes of liquid for one time, the user can directly press the pressing cap, and the liquid can be conveniently sucked for a plurality of times under the action of the restoring force of the elastic piece.
Description
Technical Field
The utility model belongs to the technical field of cosmetics packaging technology and specifically relates to a rotatory self-priming burette is related to.
Background
Liquid cosmetics, chemical reagents, and the like are generally stored in a sealed glass bottle, and a small amount of the liquid cosmetics, chemical reagents, and the like are taken out as needed. In order to control the usage amount and reduce waste, a manually pressed pressure pump can be used for pumping liquid. However, in the conventional pressure pump, the compression or reset of the elastic part completely depends on hand feeling, the stability is poor, and the pressure difference change amplitude is large, so that bubbles can enter the suction pipe between two times of liquid suction to form a cavity, the effective space in the suction pipe is occupied, and liquid cannot be efficiently sucked.
In order to solve the problems, a Chinese utility model with application number of CN201620728142.4 (with granted publication number of CN 205819912U) discloses a rotary hydraulic pump, which comprises a cylindrical outer cover, a hard button and a suction pipe, and an inner cover and a piston with threads arranged in the side wall; the inner side surface of the side wall of the outer cover is provided with guide grooves at equal intervals along the axial direction, the side surface of the button is convexly provided with guide blocks, and the guide blocks and the guide grooves are matched and slide one by one; the inner cover is arranged in the outer cover, and the inner cover is connected with the outer cover through a circumferential slot key structure; the end face of the circumferential side wall of the inner cover comprises a plurality of sections of inclined end faces, the inclined direction of each inclined end face is opposite to the direction of the thread in the side wall of the inner cover, and the side wall at the inclined end face is lower than the adjacent side wall; the inclined end surfaces are matched with the guide blocks one by one; a piston cavity is arranged in the inner cover, the piston is matched and can axially slide in the piston cavity, and the piston is fixedly connected with the button; the suction pipe is communicated with the cavity of the piston. The beneficial effect of this patent is: the inclined end surface controls the movement of the piston, so that the liquid suction amount of the piston is fixed, and the piston has smooth liquid suction and discharge effects, and air is prevented from being sucked into the suction pipe.
In the first use process, the button is required to be pressed to drive the piston to move downwards to discharge gas in the suction pipe, then the outer cover is rotated, the guide block on the button moves upwards to a high point of the inclined end surface along the inclined surface direction of the inclined end surface, at the moment, the button and the piston on the button also rise to the highest point, pressure difference is formed in the suction pipe, liquid is sucked into the suction pipe, and finally the button is pressed to push out the liquid in the suction pipe (the guide block on the button moves downwards to a low point of the inclined end surface along the inclined surface direction of the inclined end surface); after the first use is finished, the pressure pump cover is returned to the bottle mouth, the outer cover is rotated and the inner cover is driven to screw the pressure pump tightly, then the positioning block is pushed to the high point of the inclined end face again, the piston is synchronously pushed to the high point again, liquid is sucked in the suction pipe again, and the next time of use of the pressure pump is waited to be unscrewed. However, when the liquid sucking device needs to suck liquid from a plurality of pipes for one time, the liquid sucking device needs to be covered on the bottle mouth again and screwed down to suck the liquid again, and the operation is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a rotary self-priming dropper which is simple to operate is provided when a user needs to suck multi-tube liquid in the current situation of the prior art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the rotary self-priming dropper comprises
The inner cover is internally provided with a through mounting hole;
the dropper pressing liquid taking assembly is fixedly arranged in the through mounting hole of the inner cover;
the pressing cap is sleeved on the inner cover and connected with the dropper pressing liquid taking assembly, and the up-and-down movement of the pressing cap can control the liquid taking and discharging of the dropper pressing liquid taking assembly;
the outer cover is at least sleeved outside the press cap, and a guide mechanism for converting the circumferential rotation motion of the outer cover into the downward linear motion of the press cap is arranged between the outer cover and the press cap;
the method is characterized in that: an elastic piece is arranged between the inner cover and the pressing cap, and the elastic piece is compressed to generate elastic resetting force when the pressing cap moves downwards, and the elastic resetting force can drive the pressing cap to move upwards to reset. When the pressing cap is pressed to enable the dropper to press the liquid taking assembly to discharge gas, the elastic element is compressed to release the pressing of the pressing cap, and the dropper pressing liquid taking assembly sucks liquid under the action of elastic resetting force of the elastic element; when the liquid sucking device is used for sucking liquid from multiple tubes once, the dropper does not need to be covered back to the bottle mouth, but the pressing cap is directly pressed, and the liquid can be conveniently sucked for multiple times under the action of the elastic resetting force of the elastic piece.
In order to enhance the functional stability of the elastic element, it is preferable that the inner wall of the through mounting hole of the inner cover is provided with an annular stop element abutting against the lower end of the elastic element, and the upper end of the elastic element abuts against the top wall of the inner part of the push cap.
Preferably, the inner cup is the cylinder, is equipped with the spacing groove along the even interval of axial on the inner cup lateral wall, be equipped with spacing arch on the cap inside wall, spacing groove and spacing protruding one-to-one adaptation sliding connection.
In order to smooth and quantitatively suck and discharge effects and avoid sucking air into the dropper, it is preferable that the guide mechanism includes: the setting is in the inclined guide rail that many intervals of the inside wall of enclosing cover set up, the guide rail face of inclined guide rail sets up downwards, sets up at the guide block according to the cap lateral wall, the upper surface of guide block with the guide rail face looks butt of inclined guide rail, the enclosing cover exerts decurrent effort to the guide block at the circumferential direction in-process to the drive is according to cap downstream. The matching of the limiting groove and the limiting bulge ensures that the pressing cap and the inner cover can not move relatively in the circumferential direction and can only move relatively in the vertical direction; when the outer cover rotates relative to the inner cover, the guide block on the pressing cap generates circular motion and up-and-down motion along the inclined guide rail; the up-and-down movement of the pressing cap can drive the piston to move up and down, so that the liquid can be sucked and discharged. The traditional liquid pumping is directly pressed, so that the liquid pumping amount of the hydraulic pump cannot be fixed, and the liquid pumping process is not smooth; the structure converts the rotation action into the pressing action, the rotation track is preset by the inclined guide rail, the liquid can be stably and smoothly sucked by the dropper at any speed, and the suction volume is fixed.
In order to fix the cap-pressing guide block at the lowest end of the inclined guide rail, the lower end of the inclined guide rail is preferably provided with a positioning platform capable of positioning the guide block.
For convenience of processing and production, preferably, the dropper pressing liquid taking assembly comprises a dropper and a piston, the dropper and an inner cover are installed in a penetrating mode Kong Kajie, a piston cavity is formed in the upper portion of the dropper, the piston is movably arranged in the piston cavity and can slide up and down in the piston cavity, and the piston is fixedly connected with the pressing cap. The dropper is directly provided with a piston cavity, and the structure is simple.
In order to make the connection between the pressing cap and the piston more firm, preferably, the pressing cap is provided with a connecting handle extending downwards on the top wall of the pressing cap, the lower side end of the connecting handle is provided with a clamping ring, the piston is provided with a clamping groove, and the clamping ring is connected with the clamping groove in an adaptive manner to connect the piston and the pressing cap together.
Preferably, the outer side of the side wall of the piston is in sealing connection with the inner wall of the cavity of the piston.
Preferably, the enclosing cover is established outside the inner cup simultaneously, protruding card key that the enclosing cover inside wall downside was equipped with, the downside outer wall of inner cup is equipped with the draw-in groove that round circumference set up, and protruding card key slip card is located in the draw-in groove.
In order to facilitate connection with the sealed bottle body, preferably, the lower end of the inner cover is provided with a connecting groove connected with the bottle body, the inner side wall of the connecting groove is provided with internal threads, and the top wall of the connecting groove is provided with a sealing ring.
Compared with the prior art, the utility model has the advantages of: the elastic piece is arranged in the rotary self-priming dropper, when the liquid is needed to be sucked in a multi-tube way for one time, the pressing cap can be directly pressed, and the liquid can be conveniently sucked for many times under the action of the restoring force of the elastic piece; when the liquid is taken once and the dropper is used for sucking and discharging liquid, the guide block on the pressing cap can move up and down along the inclined guide rail, so that the pressing cap drives the piston to realize smooth sucking and discharging effects; the length of the inclined guide rail controls the movement distance of the piston, so that the liquid amount sucked is fixed; and when liquid is sucked, the dropper is fixed relative to the bottle body, so that air is prevented from being sucked into the dropper.
Drawings
Fig. 1 is a schematic view of a rotary self-priming dropper according to an embodiment of the present invention;
FIG. 2 is an exploded view of the rotary self-priming pipette of FIG. 1;
FIG. 3 is a cross-sectional view of the rotary self-priming pipette of FIG. 1;
FIG. 4 is a schematic view of an outer lid according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of an outer cover according to an embodiment of the present invention;
fig. 6 is a schematic view of a push cap according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 6, a rotary self-priming dropper comprises an outer cover 1, a pressing cap 2, an inner cover 4, a dropper pressing liquid-taking assembly and an elastic element 7, wherein a through mounting hole is formed in the inner cover 4, the dropper pressing liquid-taking assembly is fixedly mounted in the through mounting hole of the inner cover, the pressing cap 2 is sleeved on the inner cover 4 and is connected with the dropper pressing liquid-taking assembly, and the up-and-down movement of the pressing cap 2 can control the liquid taking and discharging of the dropper pressing liquid-taking assembly; the outer cover 1 is sleeved on the inner cover 4 and the pressing cap 2, a protruding clamping key 11 is arranged below the inner side wall of the outer cover 1, a circumferential clamping groove 45 is arranged below the outer side wall of the inner cover 4, the protruding clamping key 11 is slidably clamped in the protruding clamping key 11, and the outer cover 1 can circumferentially rotate relative to the inner cover 4; a guide mechanism for converting the circumferential rotation motion of the outer cover 1 into the vertical linear motion of the press cap 2 is arranged between the outer cover 1 and the press cap 2, so that the vertical motion of the press cap 2 can be controlled by rotating the outer cover 1 relative to the inner cover 4 to control the liquid taking and discharging of the dropper pressing liquid taking component; an elastic member 7 is arranged between the inner cover 4 and the pressing cap 2, and the elastic member 7 is compressed when the pressing cap 2 moves downwards to generate an elastic resetting force which can drive the pressing cap 2 to move upwards to reset. The existence of the elastic piece 7 can ensure that the rotary self-priming dropper in the embodiment can press the pressing cap 2 to take liquid in addition to the rotary self-priming liquid taking.
In the present embodiment, the guide mechanism includes the inclined rail 12 and the guide block 21:2 inclined guide rails 12 are arranged on the inner side wall of the outer cover 1 at intervals, and the guide rail surfaces of the inclined guide rails 12 face downwards; the guide block 21 is arranged on the outer side wall of the pressing cap 2, the upper surface of the guide block 21 is abutted against the guide surface of the inclined guide rail 12, and the outer cover 1 applies downward acting force to the guide block 21 in the circumferential rotation process so as to drive the pressing cap 2 to move downwards.
The inner cover 4 is cylindrical, 2 limiting grooves 41 with upward openings are uniformly arranged on the side wall of the inner cover 4 at intervals along the axial direction, the upper end of each limiting groove 41 is also provided with a blocking piece 43, 2 limiting protrusions 22 are arranged on the inner side wall of the pressing cap 2, when the pressing cap 2 is sleeved on the inner cover 4, the limiting protrusions 22 can slide up and down along the limiting grooves 41, and the blocking pieces 43 enable the upper sliding limit of the limiting protrusions 22 not to exceed the upper end part of the inner cover 4; when the outer cover 1 is sleeved on the inner cover 4 and the pressing cap 2, and the outer cover 1 rotates relative to the inner cover 4 and the pressing cap 2, the guide block 21 can move along the inclined guide rail 12, at the moment, the guide block 21 does circumferential movement and up-and-down movement along the inclined guide rail 12, the up-and-down movement of the guide block 21 drives the limiting protrusion 22 to slide up and down along the limiting groove 41, and then the pressing cap 2 controls the burette to press the liquid taking and discharging component. In addition, the lower end of the inclined guide rail 12 is provided with a positioning platform 121 capable of positioning the guide block 21, the positioning platform 121 enables the guide block 21 of the push cap 2 to be fixed at the lowest end of the inclined guide rail 12, when the guide block 21 is rotated to the positioning platform 121 downwards along the inclined guide rail 12, the guide block 21 is fixed in the positioning platform 121, and the elastic member 7 is compressed. In this embodiment, the limiting groove 41 may or may not penetrate through the sidewall of the inner lid 4 as shown in fig. 2.
In this embodiment, the specific structure of the connection between the pressing cap 2 and the dropper pressing liquid-taking assembly is as follows: the dropper pressing liquid taking assembly comprises a dropper 3 and a piston 5, the dropper 3 is clamped with an inner cover 4, a piston cavity 31 is arranged in the dropper 3, and the piston 5 can slide up and down in the piston cavity 31 in a matched manner; be equipped with the connecting handle 23 on the top wall of pressing cap 2, the downside tip of connecting handle 23 is equipped with joint ring 231, is equipped with joint groove 51 on the piston 5, and joint ring 231 is connected with joint groove 51, links together piston 5 with pressing cap 2. The outer side of the side wall of the piston 5 is in sealing connection with the inner wall of the piston cavity 31.
In order to enhance the functional stability of the elastic part 7, the inner wall of the through mounting hole of the inner cover 4 is provided with an annular stop part 46, the elastic part 7 is sleeved outside the piston cavity 31 of the dropper 3, the outer side of the elastic part 7 is propped against the inner side wall of the inner cover 4, the upper end of the elastic part 7 is propped against the top wall inside the pressing cap 2, and the lower end of the elastic part 7 is propped against the annular stop part 46; the elastic member 7 in this embodiment is a compression spring.
In addition, the lower end of the inner cap 4 is provided with a connecting groove 42 connected with the bottle body, the inner side wall of the connecting groove 42 is provided with an internal thread 44, and the top wall of the connecting groove 42 is provided with a sealing ring 6 for enhancing the sealing performance of the rotary self-priming dropper and the bottle body.
The procedure of the rotary self-priming dropper of this embodiment is as follows: when the rotary self-priming dropper is screwed on the bottle mouth initially, the guide block 21 is positioned at the positioning platform 121 of the inclined guide rail 12, at the moment, the elastic piece 7 is compressed, and the piston 5 exhausts the air in the piston cavity 31; then the outer cover 1 is rotated to make the guide block 21 pass over the positioning platform 121 of the inclined guide rail 12, under the action of the elastic restoring force of the elastic element 7, the guide block 21 moves upwards along the inclined guide rail 12, at this time, the piston 5 is driven to move upwards by the cap 2, the piston cavity 31 is under negative pressure, and suction force is generated to suck liquid. When the guide block 21 is positioned at the uppermost end of the inclined guide rail 12 and the limiting protrusion 22 is positioned at the uppermost end of the limiting groove 41, the outer cover 1 is continuously rotated to drive the inner cover 4 to rotate, so that the internal thread 44 of the connecting groove 42 is separated from the bottle mouth, and the rotary self-priming dropper is taken down from the bottle mouth; the pressing cap 2 is pressed again to discharge the liquid.
After the liquid is discharged for the first time, the guide block 21 is positioned at the uppermost end of the inclined guide rail 12, and if the multi-tube liquid is continuously needed, the liquid can be obtained by sucking under the action of the elastic resetting force of the elastic member 7 only by repeatedly pressing the pressing cap 2. After the liquid is taken out, the outer cover 1 is rotated reversely, the rotary self-priming dropper is screwed on the bottle mouth, in the process, the guide block 21 is also moved to the positioning platform 121 from the uppermost end of the inclined guide rail 12, the elastic piece 7 is compressed, the piston 5 exhausts the air in the piston cavity 31, and the rotary self-priming dropper is waited to be screwed off for use next time.
Claims (10)
1. A rotary self-priming dropper comprises
The inner cover (4), the inner part of the inner cover (4) is provided with a through mounting hole;
the dropper pressing liquid taking assembly is fixedly arranged in the through mounting hole of the inner cover;
the pressing cap (2) is sleeved on the inner cover (4) and is connected with the pressing liquid taking component, and the up-and-down movement of the pressing cap (2) can control the liquid taking and discharging of the dropper pressing liquid taking component;
the outer cover (1) is at least sleeved outside the pressing cap (2), and a guide mechanism for converting the circumferential rotation motion of the outer cover (1) into the downward linear motion of the pressing cap (2) is arranged between the outer cover (1) and the pressing cap (2);
the method is characterized in that: an elastic piece (7) is further arranged between the inner cover (4) and the pressing cap (2), the elastic piece (7) is compressed when the pressing cap (2) moves downwards to generate elastic resetting force, and the elastic resetting force can drive the pressing cap (2) to move upwards to reset.
2. The rotary self-priming dropper of claim 1, wherein: the inner wall of the through mounting hole of the inner cover (4) is provided with an annular blocking part (46) abutted against the lower end of the elastic part (7), and the upper end of the elastic part (7) is abutted against the top wall inside the pressing cap (2).
3. The rotary self-priming dropper of claim 1, wherein: inner cup (4) are the cylinder, are equipped with spacing groove (41) along the even interval of axial on inner cup (4) lateral wall, be equipped with spacing arch (22) on pressing cap (2) inside wall, spacing groove (41) and spacing arch (22) one-to-one adaptation sliding connection.
4. The rotary self-priming dropper of claim 1, wherein: the guide mechanism includes: the setting is in inclined guide rail (12) that many intervals of the inside wall of enclosing cover (1) set up, and the guide rail face of inclined guide rail sets up downwards, sets up guide block (21) according to cap (2) lateral wall, the upper surface of guide block (21) with the guide rail face looks butt of inclined guide rail (12), enclosing cover (1) exert decurrent effort to guide block (21) at the circumferential direction in-process to the drive is according to cap (2) downstream.
5. The rotary self-priming dropper of claim 4, wherein: the lower end of the inclined guide rail (12) is provided with a positioning platform (121) capable of positioning the guide block (21).
6. The rotary self-priming dropper of claim 1, wherein: the dropper pressing liquid taking assembly comprises a dropper (3) and a piston (5), the dropper (3) and an inner cover (4) are installed in a penetrating mode to form a Kong Kajie, a piston cavity (31) is formed in the upper portion of the dropper (3), the piston (5) is movably arranged in the piston cavity (31) and can slide up and down in the piston cavity (31), and the piston (5) is fixedly connected with a pressing cap (2).
7. The rotary self-priming dropper of claim 6, wherein: according to connecting handle (23) that be equipped with downwardly extending on cap (2) roof and set up, the downside tip of connecting handle (23) is equipped with joint ring (231), be equipped with joint groove (51) on piston (5), joint ring (231) and joint groove (51) adaptation are connected, with piston (5) with link together according to cap (2).
8. The rotary self-priming dropper of claim 6, wherein: the outer side of the side wall of the piston (5) is in sealing connection with the inner wall of the piston cavity (31).
9. The rotary self-priming dropper of claim 1, wherein: the utility model discloses a portable electronic device, including enclosing cover (1), enclosing cover (4), protruding card key (11) that enclosing cover (1) inside wall downside was equipped with, the downside outer wall of inner cup (4) is equipped with draw-in groove (45) that round circumference set up, and protruding card key (11) slip card is located in draw-in groove (45).
10. The rotary self-priming dropper of claim 1, wherein: the inner cup (4) lower extreme is equipped with spread groove (42) of being connected with the bottle, the inside wall of spread groove (42) is equipped with internal thread (44), the roof of spread groove (42) is equipped with sealing washer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222195979.5U CN218143228U (en) | 2022-08-19 | 2022-08-19 | Rotary self-priming dropper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222195979.5U CN218143228U (en) | 2022-08-19 | 2022-08-19 | Rotary self-priming dropper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218143228U true CN218143228U (en) | 2022-12-27 |
Family
ID=84553451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222195979.5U Active CN218143228U (en) | 2022-08-19 | 2022-08-19 | Rotary self-priming dropper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218143228U (en) |
-
2022
- 2022-08-19 CN CN202222195979.5U patent/CN218143228U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315300 Enterprise East Road 777, Zhouxiang Town, Cixi City, Ningbo City, Zhejiang Province Patentee after: Zhejiang Meiji Industrial Co.,Ltd. Address before: 315300 Enterprise East Road 777, Zhouxiang Town, Cixi City, Ningbo City, Zhejiang Province Patentee before: Zhejiang Meiji Packaging Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |