CN216302026U

CN216302026U - Children prevent opening burette

Info

Publication number: CN216302026U
Application number: CN202122327347.5U
Authority: CN
Inventors: 余仁卫
Original assignee: Hangzhou Kanghong Industry & Trade Co ltd
Current assignee: Hangzhou Kanghong Industry & Trade Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-04-15
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an anti-opening dropper for children, which comprises a rubber head, an outer cover, an inner cover and a suction tube, wherein the rubber head, the inner cover and the suction tube are installed in a matching way; the side wall of the button is provided with at least two button elastic clamping tongues extending downwards, the side wall of the inner cover is provided with inner cover clamping grooves corresponding to the size, the position and the number, and the inner cover clamping grooves extend along the axial direction; an outer cover limiting groove is formed in the inner side wall of the outer cover, and an inner cover limiting convex rib is arranged at a corresponding position on the outer side wall of the inner cover; the outer cover limiting groove extends along the circumferential direction, and the inner cover limiting convex rib is matched in the outer cover limiting groove; the width of the outer cover limiting groove and the width difference of the inner cover limiting convex rib are matched with the meshing depth between the matched gear rings arranged between the outer cover and the inner cover. The utility model has the beneficial effects that: the step of normally uncovering and taking liquid is reduced to one step.

Description

Children prevent opening burette

Technical Field

The utility model relates to the field of packaging, in particular to a child anti-opening dropper.

Background

Chinese patent document CN205989898U discloses a novel tamper-evident outer ring child safety cap dropper in 2017, 3/1, which comprises an outer cap and an inner cap connected by threads, wherein through holes are formed in the middle of the outer cap and the inner cap, the dropper is installed in the through holes, outer cap fastening teeth are formed on the inner top of the outer cap, and a sliding clamping groove is formed in the lower inner edge of the outer cap; the outer top of the inner cover is provided with inner cover buckling teeth matched with the outer cover buckling teeth, and the lower outer edge of the inner cover is provided with a sliding clamping ring matched with the sliding clamping groove; the lower part of the inner cover is connected with a tamper-evident outer ring, the upper part of the tamper-evident outer ring is connected with the inner cover through a plurality of tamper-evident connecting points, and a crotch buckle is arranged below the tamper-evident outer ring. The present invention increases the difficulty of opening the closure by children and the tamper evident pilfer proof ring structure, protects children while also enabling the consumer to discern evidence that the closure has been opened and the contents have been tampered with, thereby avoiding the use of contaminated, spoiled, or otherwise used products. The standard procedure for use of such dropper structures involves two steps: the first one opens the dropper, the second presses the rubber head to get the liquid. Wherein, the twisting off of the dropper needs to be matched with the circumferential force by axial force, and the liquid taking by pressing the rubber head by two times is radial force. If the force applying direction of pressing the rubber head to take liquid can be changed into the axial direction or the circumferential direction, one action can be reduced, and the two steps are combined into one.

Disclosure of Invention

Based on the problems, the utility model provides the child anti-opening dropper, which changes the force application direction for pressing the rubber head to take liquid into the axial direction, and reduces the step of normally opening the cap to take liquid to one step.

Since each component in the present embodiment is coaxially installed, the definitions of "axial direction", "radial direction" and "circumferential direction" for the directions of each component are the same, unless otherwise stated below.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a child anti-opening dropper comprises a rubber head, an outer cover, an inner cover and a suction tube, wherein the rubber head, the inner cover and the suction tube are installed in a matched mode, the outer cover is arranged outside the inner cover in a gap covering mode and can rotate independently, matching is achieved between the outer cover and the inner cover through matching gear rings oppositely arranged in the direction, and the dropper also comprises buttons arranged outside and above the rubber head in a covering mode; the side wall of the button is provided with at least two button elastic clamping tongues extending downwards, the side wall of the inner cover is provided with inner cover clamping grooves corresponding to the size, the position and the number, and the inner cover clamping grooves extend along the axial direction;

an outer cover limiting groove is formed in the inner side wall of the outer cover, and an inner cover limiting convex rib is arranged at a corresponding position on the outer side wall of the inner cover; the outer cover limiting groove extends along the circumferential direction, and the inner cover limiting convex rib is matched in the outer cover limiting groove;

the width of the outer cover limiting groove and the width difference of the inner cover limiting convex rib are matched with the meshing depth between the matched gear rings arranged between the outer cover and the inner cover.

Preferably, the inner side wall of the outer cover is provided with an outer cover elastic sheet, the length direction of the outer cover elastic sheet extends along the axial direction, and the extending direction of the width is matched with the inclined direction of the gear ring in an adaptive manner; the outer side wall of the inner cover is correspondingly provided with an inner cover elastic sheet, the length direction of the inner cover elastic sheet extends along the axial direction, and the width extending direction is opposite to the width extending direction of the outer cover elastic sheet; the outer cover elastic sheet and the inner cover elastic sheet are elastic, the outer cover and the inner cover rotate relatively, and when the outer cover and the inner cover rotate along the direction in which the matching gear ring can rotate, the end parts of the outer cover elastic sheet and the inner cover elastic sheet can deform and slide; when the elastic piece rotates reversely along the direction of the rotation of the matching gear ring, the elastic piece of the outer cover and the elastic piece of the inner cover are mutually limited.

Preferably, the number of the outer cover elastic pieces is at least 3, and the outer cover elastic pieces are arranged at equal angles in the circumferential direction of the inner side wall of the outer cover.

Preferably, the width of the outer cover limiting groove and the width difference of the inner cover limiting convex rib are matched with the meshing depth between the matched gear rings arranged between the outer cover and the inner cover.

Preferably, the top wall of the button is provided with a matching structure matched with the top of the rubber head.

Preferably, the matching structure is that a button matching ring is fixed below the top wall of the button, the top of the annular side wall of the button matching ring is fixed below the top wall of the button, and the bottom of the annular side wall of the button matching ring is abutted against the top of the rubber head.

As preferred, the inside wall of inner cup is equipped with annular gluey first installation baffle, glues and is equipped with gluey first mounting groove in the corresponding position on the outside wall of head, glues the embedding of first installation baffle adaptation and glues in the first mounting groove.

The child anti-opening dropper designed by the technical scheme mainly comprises a button, a rubber head, an outer cover, an inner cover, a sucker and other parts. Wherein inner cup, straw and glue the head cooperation and install integrative: the inside wall of inner cup is equipped with annular gluey first installation baffle, glues and is equipped with gluey first mounting groove corresponding to the position on the lateral wall of head, glues in the embedding of first installation baffle adaptation glues first mounting groove. Because the material of gluing the head is the elasticity material, glue the first mounting groove and can also cover on the bottleneck, play the effect of seal gasket. The button cover is arranged on the outer side and the upper side of the rubber head and is installed through a button elastic clamping tongue arranged on the side wall and an inner cover clamping groove arranged on the side wall of the inner cover, so that the button and the inner cover are connected together. Because the length direction of inner cup draw-in groove extends along the axial, consequently the button can be followed axial motion, is promptly through the effect of button pressing rubber head top, and this effect can form the deformation compression of gluing the head, supplies to absorb liquid and uses. The outer cap covers the inner cap, and because of the necessary clearance, the outer cap is rotatable relative to the inner cap. The outer cap and the inner cap are mated with mating gear rings oppositely disposed in the direction as is conventional in the art. A hole is formed in the middle of the top wall of the outer cover, and the upper end of the glue head and the button are exposed from the hole. Concrete button and glue the cooperation structure between the first top, this scheme sets up annular button cooperation ring in button roof inboard, and terminal surface and the top butt of gluing the head under the button cooperation ring. The outer cover and the inner cover are circumferentially limited through the matching of the circumferential convex ribs and the circumferential grooves, and the width difference between the circumferentially extending annular convex ribs and the circumferential grooves is used for adapting the meshing depth between the matched gear rings arranged between the outer cover and the inner cover. Under children's random twist-on state, even along uncapping direction forward rotation enclosing cover, because the effect of the cooperation ring gear on inner cup and the enclosing cover, can lead to the unable inseparable inner cup cooperation ring gear of enclosing cover cooperation ring gear, consequently the enclosing cover can rotate in circumference on one side, on one side the axial is reciprocal to be beated, can't transmit the revolving force of circumference for the inner cup through the cooperation ring gear all the time, the inner cup will unable the unscrewing. When an adult uses the anti-twisting device, the outer cover can be rotated in the circumferential direction and an external force can be applied in the axial direction at the same time so as to resist the force of the outer cover moving in the axial direction and ensure that the outer cover can transmit the circumferential rotating force to the inner cover so as to unscrew the inner cover. The outer cover can move upwards along the axial direction after being acted by the matched gear ring, so that a user needs to apply force downwards along the axial direction to resist the rising action of the outer cover, the force application direction is just the same as that of pressing the rubber head by the button, and the user only needs to press the outer cover and press the button at the same time, so that the bottle mouth can be opened and liquid can be sucked in one step.

An outer cover elastic sheet is arranged on the inner side wall of the outer cover, the length direction of the outer cover elastic sheet extends along the axial direction, and the extending direction of the width is matched with the inclined direction of the gear ring in a matching manner; similarly, the outer side wall of the inner cover is correspondingly provided with an inner cover elastic sheet, the length direction of the inner cover elastic sheet extends along the axial direction, and the width extending direction is opposite to the width extending direction of the outer cover elastic sheet. The arrangement of the outer cover elastic sheet and the inner cover elastic sheet is to enable the outer cover and the inner cover to form a one-way power transmission effect similar to a matched gear ring on the side wall, the outer cover elastic sheet and the inner cover elastic sheet cannot be meshed because of mutual slipping due to elastic deformation during opening, the outer cover elastic sheet and the inner cover elastic sheet form a mutually meshed structure during screwing, and torque can be well transmitted. The number of the outer cover elastic pieces is at least 3, the positions are arranged at equal angles on the circumference of the inner side wall of the outer cover, and the corresponding inner cover elastic pieces are also arranged in the same way, so that a balanced mechanical transmission effect can be formed.

In conclusion, the beneficial effects of the scheme are that: the force applying direction for pressing the rubber head to take liquid is changed into the axial direction, and the step of normally opening the cover to take liquid is reduced to one step.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an axial cross-sectional view of the present invention.

Wherein: the

button

1, 11 button elasticity block tongues, 12 button cooperation rings, 2 glue the head, 21 glue first mounting grooves, 3 enclosing covers, 31 enclosing cover flexure strip, 32 enclosing cover spacing grooves, 33 enclosing cover cooperation ring gears, 4 inner covers, 41 glue first installation baffle, 42 inner cover flexure strip, 43 inner cover draw-in grooves, the spacing protruding muscle of 44 inner covers, 45 inner cover cooperation ring gears, 5 straws.

Detailed Description

The utility model is further described with reference to the following detailed description and accompanying drawings.

The embodiment is an anti-opening dropper for children, which can be applied to bottled liquid cosmetic packages.

As shown in fig. 1 and 2, the child opening prevention dropper of this embodiment includes a push button 1, a rubber head 2, an outer cap 3, an inner cap 4, and a straw 5, which are coaxially mounted.

The glue head 2, the inner cap 4 and the suction tube 5 are assembled as one body. The rubber head 2 of this example is made of elastic silica gel. Referring to fig. 3, a circle of concave rubber head mounting grooves 21 are formed on the outer side wall of the rubber head 2. The inner side wall of the inner cover 4 is provided with a rubber head mounting partition plate 41 extending inwards along the radial direction, and a hole is formed in the center of the rubber head mounting partition plate 41 and is used for being matched and corresponding to the rubber head mounting groove 21. The upper end of the suction pipe 5 is arranged in the lower end opening of the glue head 2.

The button 1 covers the outer side and the top of the rubber head 2. The side wall of the button 1 is provided with a pair of button elastic clamping tongues 11, and the bottom of the button elastic clamping tongues 11 is provided with a guide structure. A pair of inner cover clamping grooves 43 are arranged at corresponding positions on the side wall of the inner cover 4, and the shape and position of each inner cover clamping groove 43 correspond to the elastic clamping tongues 11 of the buttons. The inner lid locking groove 43 extends downward in the radial direction.

The inner end surface of the top end of the button 1 is connected with a button matching ring 12 extending downwards. The bottom end surface of the button matching ring 12 is abutted against the top end surface of the rubber head 2.

The outer cover 3 is sleeved outside the inner cover 4 with a gap and can rotate relative to the inner cover 4. Be equipped with round inner cup cooperation ring gear 45 on the 4 lateral wall top end terminal surfaces of inner cup, correspond, also be equipped with round enclosing cover cooperation ring gear 33 on the lower terminal surface of the roof of enclosing cover 3, inner cup cooperation ring gear 45 and enclosing cover cooperation ring gear 33 constitute one-way meshing relation, when rotating enclosing cover 3 towards the screwing up direction, inner cup cooperation ring gear 45 and enclosing cover cooperation ring gear 33 mesh, the moment of torsion of enclosing cover 3 can transmit to inner cup 4, when rotating enclosing cover 3 towards the unscrewing direction, if do not cooperate synchronous axial force of exerting, along with circumferential direction, the relative enclosing cover cooperation ring gear 33 of inner cup cooperation ring gear 45 is the ascending and descending in the axial, can't realize effective meshing, consequently, can't be with the effectual transmission to inner cup 4 of moment of torsion.

Be equipped with round enclosing cover spacing groove 32 along circumference on the inside wall of enclosing cover 3, correspond, be equipped with the spacing protruding muscle 44 of round inner cup along circumference on the lateral wall of inner cup 4, the spacing protruding muscle 44 of inner cup inlays and establishes in enclosing cover spacing groove 32, with enclosing cover 3 and inner cup 4 along the spacing cooperation of circumference. The width of enclosing cover spacing groove 32 is greater than the width of the spacing protruding muscle 44 of inner cup, and difference between them matches with the interlock degree of depth of inner cup cooperation ring gear 45 and enclosing cover cooperation ring gear 33, promptly: the space range required by the outer cover 3 to lift in the axial direction under the action of the matched gear ring group when the outer cover 3 rotates relative to the inner cover 4 is met. The lower end face side of the inner cap fitting gear ring 45 is provided with a guide structure for assembly.

On the outer side wall of the

inner lid

4, 3 inner lid elastic pieces 42 are provided at intervals of 120 ° in the circumferential direction. The inner cap elastic piece 42 is rectangular, and the length direction extends along the axial direction, and the width direction is matched with the inclined direction of the inner cap matching gear ring 45. Correspondingly, 3 outer cover elastic sheets 31 are also arranged on the inner side wall of the outer cover 3 at corresponding positions. The cover elastic pieces 31 are also rectangular, extending in the axial direction in the length direction, while the width direction is adapted to the inclination direction of the cover fitting ring gear 33. The inner lid elastic piece 42 and the outer lid elastic piece 31 are both plastic thin pieces, and the outer ends thereof are slightly elastic. After assembly, as the outer cap 3 is rotated relative to the inner cap 4, interference is formed between the inner cap elastic pieces 42 and the outer ends of the outer cap elastic pieces 31. When the outer cap 3 is turned in the unscrewing direction, the outer ends of the inner cap elastic pieces 42 and the outer cap elastic pieces 31 are deformed by interference, and the two pieces slide apart from each other and are not engaged with each other. When the outer cap 3 is rotated in the tightening direction, the outer ends of the inner cap elastic pieces 42 and the outer cap elastic pieces 31 are engaged with each other, helping the outer cap 3 to transmit torque to the inner cap 4.

After the matching thread of the dropper is assembled with a bottle, when an adult normally uses the dropper, the outer ring 3 is rotated in the circumferential direction, and meanwhile, the button 1 and the outer ring 3 are simultaneously applied with downward pressure along the axial direction, so that on one hand, the dropper can overcome the lifting force of the outer cover formed by matching the inner cover matching gear ring 45 and the outer cover matching gear ring 33, the torque is transmitted to the inner cover for opening the bottle mouth, on the other hand, the squeezed rubber head 2 is loosened, and the liquid suction is completed at the same time of releasing hands. And children only rely on rotating enclosing cover 3 and do not exert the decurrent pressure of axial, or can only screw up 4 months with the inner cup more tightly, or make enclosing cover 3 slip the rotation relative to inner cup 4, can't transmit the moment of torsion to on the inner cup 4, therefore bottleneck threaded connection structure can't open to guaranteed can not be opened by children's mistake.

Claims

1. The utility model provides a children prevent opening burette, includes glues head (2), enclosing cover (3), inner cup (4) and straw (5), glues head (2), inner cup (4) and straw (5) three cooperation installation, and enclosing cover (3) clearance cover is established and can independently rotate outside inner cup (4), realizes the cooperation, characterized by with the cooperation ring gear that the direction set up relatively between enclosing cover (3) and inner cup (4): the button (1) is covered on the outer side and the upper side of the rubber head (2); the side wall of the button (1) is provided with at least two button elastic clamping tongues (11) extending downwards, the side wall of the inner cover (4) is provided with inner cover clamping grooves (43) corresponding to the inner cover clamping grooves in size, position and number, and the inner cover clamping grooves (43) extend along the axial direction;

an outer cover limiting groove (32) is formed in the inner side wall of the outer cover (3), and an inner cover limiting convex rib (44) is arranged on the corresponding position on the outer side wall of the inner cover (4); the outer cover limiting groove (32) extends along the circumferential direction, and the inner cover limiting convex rib (44) is matched in the outer cover limiting groove (32);

the width of the outer cover limiting groove (32) is different from the width of the inner cover limiting convex rib (44) and is matched with the meshing depth between the matched gear rings arranged between the outer cover (3) and the inner cover (4).

2. The child anti-opening dropper according to claim 1, wherein the outer cover (3) has an inner side wall provided with an outer cover elastic piece (31), the outer cover elastic piece (31) extends axially in a length direction, and the width extending direction is adapted to match with the inclined direction of the gear ring; the outer side wall of the inner cover (4) is correspondingly provided with an inner cover elastic sheet (42), the length direction of the inner cover elastic sheet (42) extends along the axial direction, and the width extending direction is opposite to the width extending direction of the outer cover elastic sheet (31); the outer cover elastic sheet (31) and the inner cover elastic sheet (42) have elasticity, the outer cover (3) and the inner cover (4) rotate relatively, and when the outer cover elastic sheet (31) and the inner cover elastic sheet (42) rotate along the direction in which the matching gear ring can rotate, the end parts of the outer cover elastic sheet (31) and the inner cover elastic sheet (42) can deform and slide; when the outer cover elastic sheet (31) and the inner cover elastic sheet (42) are limited mutually when the outer cover elastic sheet and the inner cover elastic sheet are rotated reversely along the rotating direction of the matching gear ring.

3. A child anti-opening dropper according to claim 2, wherein the number of the outer cap elastic pieces (31) is at least 3, and the outer cap elastic pieces are arranged at equal angles in a circumferential direction of an inner side wall of the outer cap (3).

4. A child anti-opening dropper according to claim 1, 2 or 3, wherein the top wall of the button (1) is provided with a matching structure for matching with the top of the rubber head (2).

5. The child anti-opening dropper according to claim 4, wherein the matching structure is that a button matching ring (12) is fixed below the top wall of the button (1), the top of the annular side wall of the button matching ring (12) is fixed below the top wall of the button (1), and the bottom of the annular side wall is abutted against the top of the rubber head (2).

6. The child anti-opening dropper according to claim 1, 2 or 3, wherein the inner side wall of the inner cap (4) is provided with an annular rubber head mounting partition (41), the outer side wall of the rubber head (2) is provided with a rubber head mounting groove (21) at a corresponding position, and the rubber head mounting partition (41) is fittingly embedded into the rubber head mounting groove (21).