CN212149963U - Storage-type bottle cap capable of rotating only in one direction - Google Patents
Storage-type bottle cap capable of rotating only in one direction Download PDFInfo
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- CN212149963U CN212149963U CN202020614351.2U CN202020614351U CN212149963U CN 212149963 U CN212149963 U CN 212149963U CN 202020614351 U CN202020614351 U CN 202020614351U CN 212149963 U CN212149963 U CN 212149963U
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Abstract
The utility model discloses a solve and realize going up the lid and the reversal between the lid down through many places anti-reverse structure, the structure is complicated, the big problem of the equipment degree of difficulty, the utility model provides a storage storehouse type bottle lid of unidirectional rotation can only, through setting up one-way ratchet at last lid and lower lid junction, one-way ratchet makes the axis that goes up the lid and can only follow down the lid move down, prevents that user's maloperation from making the leakage of storing the chamber in the prescription material, has simplified the equipment technology simultaneously, reduce cost.
Description
Technical Field
The utility model relates to a technical field such as glue, chemistry that mixed type beverage, food, medicine, cosmetics, milk powder formula, nutriment, supplement, mixed type used, comparatively concrete, involve a storage storehouse type bottle lid that can only unidirectional rotation.
Background
Many products currently on the market come in the form of solvents that require mixing with some liquid prior to use. These products relate to: mixed drinks, foods, medicines, cosmetics, milk powder formulations, nutraceuticals, supplements, mixed gums, and the like. These products are used after mixing with solvents and solutions, but do not retain activity, stability, pot life, strength for extended periods of time after mixing, and can be stored for extended periods of time if the barrier side is separated alone. There is a need for a portable, user friendly package that can be separately packaged and that is easy and user friendly to carry during use.
The prior reservoir type bottle cap has the following problems when in use:
(1) the existing storage-chamber bottle cap has poor sealing performance, and can cause the substances in the storage chamber to be damped to cause the caking phenomenon;
(2) the existing reservoir type bottle cap needs hot melting during assembly, and can influence the activity of some probiotics;
(3) in the existing storage type bottle cap, the assembly process of parts is complex, so that the cost is increased;
(4) the integral structure design is complex, and the use difficulty of a user is high; for example: a. the resistance is too large when the puncture type storage tank type bottle cap is punctured by pressing, so that the storage tank type bottle cap is inconvenient to use; b. rotatory puncture formula storage storehouse type bottle lid, the dynamics is moderate when puncturing, but the state of two lid separation can appear in current rotatory puncture formula storage storehouse type bottle lid in the maloperation, causes the use puzzlement for the user.
The invention patent with the patent number of CN109292250A discloses a reservoir type bottle cap with misoperation prevention, wherein the arrangement of a first anti-loosening structure and a second anti-loosening structure in an upper cap body and a lower cap body enables the reservoir bottle to avoid the situation that the sealing performance of a storage cavity is damaged by reverse rotation caused by manual misoperation or bumping and shaking in the process of storage and transportation in the state before use; go up lid, down in the lid third prevention pine take off the setting of structure and guarantee to use the back at storage bottle, go up the lid, can not take place the reversal between the lid down and break away from the phenomenon, guarantee no matter the user twist and move the lid or the lid can once only accomplish breaking away from of whole lid and body down.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a solve and realize going up the lid and the reversal between the lid down through many places anti-reverse structure, the structure is complicated, the problem that the equipment degree of difficulty is big, through set up one-way ratchet at last lid and lower lid junction, one-way ratchet makes the axis that goes up the lid and can only follow the lid down move down, prevents that user's maloperation from making the leakage of storing the chamber in the prescription material, has simplified assembly process simultaneously, reduce cost.
A reservoir-type bottle cap capable of only one-way rotation, comprising: the upper cover body 1 and the lower cover body 3 are in threaded connection; the upper cover body 1 comprises an outer-layer upper cover cylindrical outer cover 12 and an inner-layer circular puncture structure 13 which are connected through a plane connecting bridge 11, upper cover internal threads 121 are processed on the inner side of the upper cover cylindrical outer cover 12, an upper cover sealing structure 122 is arranged in the upper cover body 1 between the outer-layer upper cover cylindrical outer cover 12 and the inner-layer circular puncture structure 13, and the upper end of the upper cover sealing structure 122 is integrally formed with the upper cover body 1; the lower cover body 3 comprises an inner connecting ring 31 and an outer lower cover cylindrical housing 32, a lower cover external thread 311 is processed on the outer side of the upper end of the connecting ring 31, a lower cover sealing structure 312 is processed on the inner side of the upper end of the connecting ring 31, and the lower cover sealing structure 312 comprises an upper part, a middle part and a lower part, and is characterized in that: a one-way ratchet mechanism 2 is arranged between the upper cover body 1 and the lower cover body 3, and comprises a ratchet 21 and a pawl 22, wherein the ratchet 21 is positioned on the inner wall of the upper cover body 1, the pawl 22 is positioned on the connecting ring 31 of the lower cover body 3, the ratchet 21 comprises a plurality of ratchets 211, and the ratchets 211 comprise a first turning-in surface 2111, a first locking surface 2112 and a guide inclined surface 2113; the pawl 22 includes a second turned-in surface 221 and a second locking surface 222; when the upper cover body 1 and the lower cover body 3 are in threaded screwing connection, when the segmented lower cover external threads 311 are screwed and screwed in the upper cover internal threads 121 to descend, the ratchet wheel 21 of the upper cover body 1 is matched with the pawl 22 of the lower cover body 3, so that the upper cover body 1 can only move downwards along the axis of the lower cover body 3; in the process that the lower cover body 3 and the upper cover body 1 are screwed upwards, when the outer wall of the upper cover sealing structure 122 reaches the upper part of the lower cover sealing structure 312, the outer wall of the upper cover sealing structure 122 is in interference fit with the upper part of the lower cover sealing structure 312, the unilateral interference amount is more than 0.1mm, and the sealing performance of the storage-type bottle cap is ensured; when the outer wall of the upper cover sealing structure 122 reaches the middle of the lower cover sealing structure 312, the outer wall of the upper cover sealing structure 122 is in clearance fit with the middle of the lower cover sealing structure 312, so that the resistance when screwing the cover body 1 is reduced; when the outer wall of the upper cover sealing structure 122 reaches the lower part of the lower cover sealing structure 312, the outer wall of the upper cover sealing structure 122 is in interference fit with the lower part of the lower cover sealing structure 312, the single-side interference amount is greater than 0.1mm, sealing is ensured, and leakage of the formula substances after the inner layer circular puncture structure 13 punctures the sealing sheet on the lower cover body 3 is prevented.
Furthermore, the lower end face of the upper cover cylindrical outer cover 12 is connected with the tearing C-ring 14 through a tiny connecting column, one side end of the tearing C-ring 14 is provided with an arc-shaped handle 141, the arc-shaped handle 141 protrudes out of the tearing C-ring 14, a gap exists between the inner wall of the arc-shaped handle 141 and the outer wall of the tearing C-ring 14, when the upper cover body 1 and the lower cover body 3 are assembled, a user can conveniently tear the tearing C-ring 14, the other end of the arc-shaped handle 141 is a free end, the tearing C-ring 14 is positioned above the upper end face of the lower cover cylindrical outer cover 32 (the tearing C-ring 14 can be in contact with or not in contact with the lower cover cylindrical outer cover 32) when the upper cover body 1 and the lower cover body 3 are assembled, the lower end of the puncture tooth in the annular puncture structure 13 is over against the edge of the spacer, and the vertical distance between the lower end of the puncture tooth and the edge of the spacer is greater than or equal to the vertical distance between the lower end face of the lower end face, the piercing teeth pierce the edge of the spacer and erroneously cause the formulation in the storage chamber to leak.
Further, when the inner annular puncture structure 13 is connected with the lower portion of the connection ring 31 in a matching manner, a gap is formed between the outer wall of the inner annular puncture structure 13 and the inner wall of the lower portion of the connection ring 31, and the gap can reduce the resistance when the upper cover body 1 is screwed down.
Further, the upper cover cylinder cover 12 is of a convex structure, the upper cover internal thread 121 is processed on the inner side of the upper part of the convex structure, a circle of vertical line bosses 123 are arranged at intervals are processed on the outer side of the upper part of the convex structure, when a user holds the vertical line bosses 123 to rotate the upper cover cylinder cover 12, friction force is increased, gripping force is larger, and a circle of ratchet wheel 21 is processed on the inner side of the lower part of the convex structure.
Further, the ratchet 21 is formed by a plurality of ratchet teeth 211 vertically arranged end to end in the circumferential direction.
Further, the bottom end of the ratchet 211 further includes a guide slope 2113, and when the reservoir type bottle cap is assembled, the upper cap body 1 and the lower cap body 3 can be easily coupled to each other due to the inclined angle of the guide slope 2113.
Further, the ratchet teeth 211 and the ratchet valleys 212 between the two ratchet teeth 211 are arranged end to end in the circumferential direction.
Further, the angle α of the first turning-in surface 2111 of the ratchet 211 is an obtuse angle, the angle between the first turning-in surface 2111 and the tangent of the circle where the first locking surface 2112 is located is an acute angle or a right angle, and the angle between the first locking surface 2112 and the tangent of the circle where the first locking surface 2112 is located is an acute angle or a right angle.
Further, at least one pawl 22 is arranged at intervals along the circumferential direction of the coupling ring 31 outside the coupling ring 31.
Further, the angle γ of the second rotated-in surface 221 of the pawl 22 is an obtuse angle, the angle between the second rotated-in surface 221 and the tangent of the circle where the second locking surface 222 is located is an acute angle or a right angle, and the angle between the second locking surface 222 and the tangent of the circle where the second locking surface 222 is located is an acute angle or a right angle.
Further, the diameter of a circle formed by the lowest point of the ratchet wheel 21 in the upper cover body 1 is larger than that of a circle formed by the highest point of the pawl 22 in the lower cover body 3, and the diameter of a circle formed by the highest point of the ratchet wheel 21 in the upper cover body 1 is smaller than that of a circle formed by the highest point of the pawl 22 in the lower cover body 3.
Furthermore, the outer wall of the lower cover cylindrical outer cover 32 is provided with a circle of positioning bosses 33, when the storage type bottle cap is not used, the lower end surface of the tearing C ring 14 does not exceed the positioning bosses 33, the phenomenon that the formula substances in the storage cavity are leaked by mistake due to the fact that the edge of the partition sheet in the lower cover body 3 is punctured by the puncture tooth is avoided, when the storage type bottle cap is used, the lower end surface of the upper cover cylindrical outer cover 12 does not exceed the positioning bosses 33, and the phenomenon that the formula substances in the storage cavity are leaked by mistake due to the fact that the sealing sheet connected with the top end of the upper cover body 1 is crushed by the upper end of the connecting ring.
Furthermore, the reservoir type bottle cap which can only rotate in one direction is in a puncturing direction, and can be automatically locked when rotating in the reverse direction, so that the leakage of the formula substance in the storage cavity caused by the wrong operation of a user can be prevented.
The utility model has the advantages that: by arranging the one-way ratchet mechanism 2 at the joint of the upper cover body 1 and the lower cover body 3, when the upper cover body 1 moves downwards along the axis of the lower cover body 3, the tip part of the pawl 22 is clamped into the ratchet valley 212 formed by the two ratchets 211, the first turning-in surface 2111 is matched with the second turning-in surface 221, the first locking surface 2112 is matched with the second locking surface 222 so as to easily cross over the ratchet valley 212, when the upper cover body 1 moves upwards along the axis of the lower cover body 3, the tip part of the pawl 22 is clamped into the ratchet valley 212 formed by the two ratchets 211, the first turning-in surface 2111 is matched with the second locking surface 222, and the first locking surface 2112 is matched with the second turning-in surface 221 so as to be just tightly clamped in the ratchet valley 212, thereby preventing the leakage of the formula in the storage cavity due to the wrong operation of a user, simplifying the assembly process and reducing the cost.
Drawings
Fig. 1 is a schematic view of the upper cover structure of the reservoir-type bottle cap of the present invention, which can only rotate in one direction.
Fig. 2 is a schematic view of the sectional structure of the reservoir-type bottle cap of the present invention, which can only rotate in one direction.
Fig. 3 is a schematic view of the lower cap structure of the reservoir-type bottle cap of the present invention, which can rotate only in one direction.
Fig. 4 is a schematic structural view of the ratchet of the present invention.
Fig. 5 is a schematic structural view of the pawl of the present invention.
Fig. 6 is a schematic structural view of the one-way ratchet mechanism of the present invention.
Fig. 7 is a schematic structural diagram of the outer wall of the upper cover sealing structure and the upper part of the lower cover sealing structure of the present invention.
Fig. 8 is a structural schematic diagram of the middle part of the outer wall of the upper cover sealing structure and the lower cover sealing structure of the present invention.
Fig. 9 is a structural schematic diagram of the outer wall of the upper cover sealing structure and the lower part of the lower cover sealing structure of the present invention.
Fig. 10 is a schematic structural view of a circle formed by the engagement of the one-way ratchet mechanism of the present invention.
Description of the main elements
| |
1 |
| Connecting |
11 |
| Upper cover column |
12 |
| Internal thread of |
121 |
| Upper |
122 |
| |
123 |
| |
13 |
| |
14 |
| |
141 |
| One- |
2 |
| |
21 |
| |
211 |
| Ratchet |
212 |
| First surface of |
2111 |
| |
2112 |
| |
2113 |
| |
22 |
| Second turn-in |
221 |
| |
222 |
| |
3 |
| Connecting |
31 |
| Lower cover cylinder |
32 |
| Lower cover |
311 |
| Lower |
312 |
| |
33 |
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
The specific implementation mode is as follows:
as shown in fig. 1, it is a schematic view of the upper cap structure of the reservoir-type bottle cap of the present invention that can only rotate in one direction; as shown in fig. 2, it is a schematic view of the sectional structure of the reservoir-type bottle cap of the present invention that can only rotate in one direction; as shown in fig. 3, it is a schematic view of the structure of the lower cap of the reservoir-type bottle cap of the present invention that can only rotate in one direction; as shown in fig. 4, it is a schematic structural view of the ratchet of the present invention; as shown in fig. 5, the structure of the pawl of the present invention is schematically illustrated; as shown in fig. 6, it is a schematic view of the structure of the one-way ratchet mechanism of the present invention; as shown in fig. 7, it is a schematic structural view of the outer wall of the upper cover sealing structure of the present invention matching with the upper portion of the lower cover sealing structure; as shown in fig. 8, is a schematic structural view of the outer wall of the upper cover sealing structure of the present invention matching with the middle part of the lower cover sealing structure; as shown in fig. 9, it is a schematic structural view of the outer wall of the upper cover sealing structure of the present invention matching with the lower portion of the lower cover sealing structure; as shown in fig. 10, a schematic view of a circle formed by the one-way ratchet mechanism of the present invention.
A reservoir-type bottle cap capable of only one-way rotation, comprising: the upper cover body 1 and the lower cover body 3 are in threaded connection; the upper cover body 1 comprises an outer-layer upper cover cylindrical outer cover 12 and an inner-layer circular puncture structure 13 which are connected through a plane connecting bridge 11, upper cover internal threads 121 are processed on the inner side of the upper cover cylindrical outer cover 12, an upper cover sealing structure 122 is arranged in the upper cover body 1 between the outer-layer upper cover cylindrical outer cover 12 and the inner-layer circular puncture structure 13, and the upper end of the upper cover sealing structure 122 is integrally formed with the upper cover body 1; the lower cover body 3 comprises an inner connecting ring 31 and an outer lower cover cylindrical housing 32, a lower cover external thread 311 is processed on the outer side of the upper end of the connecting ring 31, a lower cover sealing structure 312 is processed on the inner side of the upper end of the connecting ring 31, and the lower cover sealing structure 312 comprises an upper part, a middle part and a lower part, and is characterized in that: a one-way ratchet mechanism 2 is arranged between the upper cover body 1 and the lower cover body 3, and comprises a ratchet 21 and a pawl 22, wherein the ratchet 21 is positioned on the inner wall of the upper cover body 1, the pawl 22 is positioned on the connecting ring 31 of the lower cover body 3, the ratchet 21 comprises a plurality of ratchets 211, and the ratchets 211 comprise a first turning-in surface 2111, a first locking surface 2112 and a guide inclined surface 2113; the pawl 22 includes a second turned-in surface 221 and a second locking surface 222; when the upper cover body 1 and the lower cover body 3 are in threaded screwing connection, when the segmented lower cover external threads 311 are screwed and screwed in the upper cover internal threads 121 to descend, the ratchet wheel 21 of the upper cover body 1 is matched with the pawl 22 of the lower cover body 3, so that the upper cover body 1 can only move downwards along the axis of the lower cover body 3; in the process that the lower cover body 3 and the upper cover body 1 are screwed upwards, when the outer wall of the upper cover sealing structure 122 reaches the upper part of the lower cover sealing structure 312, the outer wall of the upper cover sealing structure 122 is in interference fit with the upper part of the lower cover sealing structure 312, the unilateral interference amount is more than 0.1mm, and the sealing performance of the storage-type bottle cap is ensured; when the outer wall of the upper cover sealing structure 122 reaches the middle of the lower cover sealing structure 312, the outer wall of the upper cover sealing structure 122 is in clearance fit with the middle of the lower cover sealing structure 312, so that the resistance when screwing the cover body 1 is reduced; when the outer wall of the upper cover sealing structure 122 reaches the lower part of the lower cover sealing structure 312, the outer wall of the upper cover sealing structure 122 is in interference fit with the lower part of the lower cover sealing structure 312, the single-side interference amount is greater than 0.1mm, sealing is ensured, and leakage of the formula substances after the inner layer circular puncture structure 13 punctures the sealing sheet on the lower cover body 3 is prevented.
The lower end face of the upper cover cylindrical outer cover 12 is connected with a tearing C ring 14 through a tiny connecting column, one side end of the tearing C ring 14 is provided with an arc-shaped handle 141, the arc-shaped handle 141 protrudes out of the tearing C ring 14, a gap exists between the inner wall of the arc-shaped handle 141 and the outer wall of the tearing C ring 14, a user can conveniently tear the tearing C ring 14 when the upper cover body 1 and the lower cover body 3 are assembled, the tearing C ring 14 is positioned above the upper end face of the lower cover cylindrical outer cover 32 (the tearing C ring 14 and the lower cover cylindrical outer cover 32 can be contacted or not contacted), the lower end of a puncturing tooth in the annular puncturing structure 13 is over against the edge position of the spacer, and the vertical distance between the lower end face of the puncturing tooth and the edge of the spacer is larger than or equal to the vertical distance between the lower end face of the tearing C ring 14 and the upper end face of the lower cover cylindrical outer cover 32, so that the tearing C ring 14 is prevented from being separated from the upper cover cylindrical outer cover 12 during storage and, the piercing teeth pierce the edge of the spacer and erroneously cause the formulation in the storage chamber to leak.
When the inner annular puncture structure 13 is connected with the lower part of the connection ring 31 in a matching manner, a gap is formed between the outer wall of the inner annular puncture structure 13 and the inner wall of the lower part of the connection ring 31, and the gap can reduce the resistance when the upper cover body 1 is screwed down.
The upper cover cylinder outer cover 12 is of a convex structure, an upper cover internal thread 121 is machined on the inner side of the upper part of the convex structure, a circle of vertical line bosses 123 are arranged at intervals are machined on the outer side of the upper part of the convex structure, when a user holds the vertical line bosses 123 to rotate the upper cover cylinder outer cover 12, friction force is increased, grabbing force is larger, and a circle of ratchet wheel 21 is machined on the inner side of the lower part of the convex structure.
Further, the ratchet 21 is formed by a plurality of ratchet teeth 211 vertically arranged end to end in the circumferential direction.
The bottom end of the ratchet 211 further includes a guide slope 2113, and when the reservoir-type bottle cap is assembled, the upper cap body 1 and the lower cap body 3 can be easily coupled to each other due to the inclined angle of the guide slope 2113.
Further, the ratchet teeth 211 and the ratchet valleys 212 between the two ratchet teeth 211 are arranged end to end in the circumferential direction.
The angle α of the first turning-in surface 2111 of the ratchet 211 is an obtuse angle, the included angle between the first turning-in surface 2111 and the tangent line of the circle where the first locking surface 2112 is located, the angle β of the first locking surface 2112 is an acute angle or a right angle, and the included angle between the first locking surface 2112 and the tangent line of the circle where the first locking surface 2112 is located.
At least one pawl 22 is arranged on the outer side of the connection ring 31 at intervals along the circumferential direction of the connection ring 31.
The angle γ of the second turning surface 221 of the pawl 22 is an obtuse angle, the angle between the second turning surface 221 and the located circle tangent line, the angle of the second locking surface 222 is an acute angle or a right angle, and the angle between the second locking surface 222 and the located circle tangent line.
The diameter of a circle formed by the lowest points of the ratchet wheels 21 in the upper cover body 1 is larger than that of a circle formed by the highest points of the pawls 22 in the lower cover body 3, and the diameter of a circle formed by the highest points of the ratchet wheels 21 in the upper cover body 1 is smaller than that of a circle formed by the highest points of the pawls 22 in the lower cover body 3.
The outer wall of the lower cover cylindrical outer cover 32 is provided with a circle of positioning bosses 33, when the storage type bottle cap is not used, the lower end face of the torn C ring 14 does not exceed the positioning bosses 33, the phenomenon that formula substances in the storage cavity are leaked by mistake due to the fact that a puncture tooth punctures the edge of a spacer in the lower cover body 3 is avoided, when the storage type bottle cap is used, the lower end face of the upper cover cylindrical outer cover 12 does not exceed the positioning bosses 33, and the phenomenon that the upper end of a connecting ring 31 of the lower cover body 3 breaks a sealing sheet connected with the.
The reservoir type bottle cap which can only rotate in one direction has the rotation direction of a puncture direction, and can be automatically locked when rotating in the reverse direction, so that the leakage of the formula materials in the storage cavity caused by the wrong operation of a user can be prevented.
The utility model has the advantages that: by arranging the one-way ratchet mechanism 2 at the joint of the upper cover body 1 and the lower cover body 3, when the upper cover body 1 moves downwards along the axis of the lower cover body 3, the tip part of the pawl 22 is clamped into the ratchet valley 212 formed by the two ratchets 211, the first turning-in surface 2111 is matched with the second turning-in surface 221, the first locking surface 2112 is matched with the second locking surface 222 so as to easily cross over the ratchet valley 212, when the upper cover body 1 moves upwards along the axis of the lower cover body 3, the tip part of the pawl 22 is clamped into the ratchet valley 212 formed by the two ratchets 211, the first turning-in surface 2111 is matched with the second locking surface 222, and the first locking surface 2112 is matched with the second turning-in surface 221 so as to be just tightly clamped in the ratchet valley 212, thereby preventing the leakage of the formula in the storage cavity due to the wrong operation of a user, simplifying the assembly process and reducing the cost.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A reservoir-type bottle cap capable of only one-way rotation, comprising: the upper cover body (1) and the lower cover body (3), wherein the upper cover body (1) is in threaded connection with the lower cover body (3); the upper cover body (1) comprises an outer-layer upper-cover cylindrical outer cover (12) and an inner-layer circular puncture structure (13) which are connected through a plane connecting bridge (11), upper-cover internal threads (121) are processed on the inner side of the upper-cover cylindrical outer cover (12), an upper-cover sealing structure (122) is arranged between the outer-layer upper-cover cylindrical outer cover (12) and the inner-layer circular puncture structure (13) in the upper cover body (1), and the upper end of the upper-cover sealing structure (122) and the upper cover body (1) are integrally formed; the lower cover body (3) comprises a connecting ring (31) on the inner side and a lower cover cylindrical outer cover (32) on the outer side, a lower cover external thread (311) is processed on the outer side of the upper end part of the connecting ring (31), a lower cover sealing structure (312) is processed on the inner side of the upper end part of the connecting ring (31), and the lower cover sealing structure (312) comprises an upper part, a middle part and a lower part; the method is characterized in that: a one-way ratchet mechanism (2) is arranged between the upper cover body (1) and the lower cover body (3) and comprises a ratchet wheel (21) and a pawl (22), the ratchet wheel (21) is positioned on the inner wall of the upper cover body (1), the pawl (22) is positioned on a connecting ring (31) of the lower cover body (3), the ratchet wheel (21) comprises a plurality of ratchet teeth (211), and each ratchet tooth (211) comprises a first turning-in surface (2111), a first locking surface (2112) and a guide inclined surface (2113); the pawl (22) comprises a second turning-in surface (221) and a second locking surface (222); in the process that the lower cover body (3) and the upper cover body (1) are screwed upwards, when the outer wall of the upper cover sealing structure (122) reaches the upper part of the lower cover sealing structure (312), the outer wall of the upper cover sealing structure (122) is in interference fit with the upper part of the lower cover sealing structure (312), and the unilateral interference amount is larger than 0.1 mm; when the outer wall of the upper cover sealing structure (122) reaches the middle part of the lower cover sealing structure (312), the outer wall of the upper cover sealing structure (122) is in clearance fit with the middle part of the lower cover sealing structure (312); when the outer wall of the upper cover sealing structure (122) reaches the lower part of the lower cover sealing structure (312), the outer wall of the upper cover sealing structure (122) is in interference fit with the lower part of the lower cover sealing structure (312), and the single-side interference amount is larger than 0.1 mm.
2. The reservoir type bottle cap of claim 1, which can rotate only in one direction, wherein: the lower end face of the upper cover cylindrical outer cover (12) is connected with a tearing C ring (14) through a small connecting column, one side end of the tearing C ring (14) is provided with an arc-shaped handle (141), the arc-shaped handle (141) protrudes out of the tearing C ring (14), the inner wall of the arc-shaped handle (141) and the outer wall of the tearing C ring (14) form a gap, the tearing C ring (14) is located above the upper end face of the lower cover cylindrical outer cover (32) in the state that the upper cover body (1) and the lower cover body (3) are assembled, the tearing C ring (14) and the lower cover cylindrical outer cover (32) can be in contact or non-contact, and the lower end of a puncturing tooth in the annular puncturing structure (13) is just opposite to the edge position of the isolating piece and the vertical distance between the lower end of the puncturing tooth and the edge of the.
3. The reservoir type bottle cap of claim 1, which can rotate only in one direction, wherein: when the inner-layer annular puncture structure (13) is matched and connected with the lower part of the connecting ring (31), a gap is formed between the outer wall of the inner-layer annular puncture structure (13) and the inner wall of the lower part of the connecting ring (31).
4. The reservoir type bottle cap of claim 1, which can rotate only in one direction, wherein: the upper cover cylindrical outer cover (12) is of a convex structure, a circle of vertical line bosses (123) which are arranged at intervals are processed on the outer side of the upper part of the convex structure, and a circle of ratchet wheels (21) are processed on the inner side of the lower part of the convex structure.
5. The reservoir type bottle cap of claim 1, which can rotate only in one direction, wherein: the ratchet wheel (21) is formed by a plurality of ratchets (211) which are vertically and continuously arranged end to end along the circumferential direction, and the ratchets (211) and ratchet valleys (212) between the two ratchets (211) are continuously arranged end to end along the circumferential direction.
6. The reservoir type bottle cap of claim 1, which can rotate only in one direction, wherein: the angle alpha of the first turning-in surface 2111 of the ratchet 211 is an obtuse angle, and the angle beta of the first locking surface 2112 is an acute angle or a right angle.
7. The reservoir type bottle cap of claim 1, which can rotate only in one direction, wherein: at least one pawl (22) is arranged on the outer side of the connecting ring (31) at intervals along the circumferential direction of the connecting ring (31).
8. The reservoir type bottle cap of claim 1, which can rotate only in one direction, wherein: the diameter of a circle formed by the lowest points of the ratchet wheels (21) in the upper cover body (1) is larger than that of a circle formed by the highest points of the pawls (22) in the lower cover body (3), and the diameter of a circle formed by the highest points of the ratchet wheels (21) in the upper cover body (1) is smaller than that of a circle formed by the highest points of the pawls (22) in the lower cover body (3).
9. The reservoir type bottle cap of claim 1, which can rotate only in one direction, wherein: the angle gamma of the second turning surface 221 of the pawl 22 is an obtuse angle, and the angle of the second locking surface 222 is an acute angle or a right angle.
10. The reservoir type bottle cap of claim 1, which can rotate only in one direction, wherein: the outer wall of the lower cover cylindrical outer cover (32) is provided with a circle of positioning bosses (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020614351.2U CN212149963U8 (en) | 2020-11-04 | 2020-11-04 | Storage-type bottle cap capable of rotating only in one direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020614351.2U CN212149963U8 (en) | 2020-11-04 | 2020-11-04 | Storage-type bottle cap capable of rotating only in one direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN212149963U true CN212149963U (en) | 2020-12-15 |
| CN212149963U8 CN212149963U8 (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020614351.2U Active CN212149963U8 (en) | 2020-11-04 | 2020-11-04 | Storage-type bottle cap capable of rotating only in one direction |
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| CN (1) | CN212149963U8 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392235A (en) * | 2020-06-03 | 2020-07-10 | 苏州新劢德医疗器械科技有限公司 | Storage-type bottle cap capable of rotating only in one direction |
| WO2024078184A1 (en) * | 2022-10-10 | 2024-04-18 | 洽兴包装工业（中国）有限公司 | Cosmetic container |
-
2020
- 2020-11-04 CN CN202020614351.2U patent/CN212149963U8/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392235A (en) * | 2020-06-03 | 2020-07-10 | 苏州新劢德医疗器械科技有限公司 | Storage-type bottle cap capable of rotating only in one direction |
| WO2024078184A1 (en) * | 2022-10-10 | 2024-04-18 | 洽兴包装工业（中国）有限公司 | Cosmetic container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN212149963U8 (en) | 2021-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Application Date Correct: 2020.11.04 False: 2020.04.22 Volume: 36 Correction item: Application Date Correct: 2020.11.04 False: 2020.04.22 Number: 51-01 Page: The title page Volume: 36 |