Bin and sealing bottom integrated knob lower top open type solid-liquid separation bottle cap
By integrating the hopper and sealing bottom into a single unit and employing ultrasonic welding technology, the leakage problem caused by thermal shrinkage in twist-type solid-liquid separation bottle caps has been solved, achieving high sealing performance and stability, and improving the user experience.
Patent Information
- Application Number
- CN202520123352.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing twist-type solid-liquid separation bottle caps are prone to leakage at high or low temperatures due to the different thermal shrinkage ratios of the plastic parts and aluminum foil, which affects the sealing performance and the safety of the materials.
The design incorporates an integrated hopper and sealed bottom, combined with ultrasonic welding technology to ensure airtightness, and uses a conical piercing element to achieve solid-liquid separation.
It improves the sealing and structural strength of the bottle cap, prevents leakage and material deterioration, ensures product safety and hygiene, and is easy to operate with a good user experience.
Smart Images
Figure CN223751519U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bottle cap technical field, concretely relates to a solid-liquid separation bottle cap of material bin and sealing bottom integrated moulding twist down top open formula. BACKGROUND
[0002] In the bottle cap technical field, solid-liquid separation bottle cap is widely used in packing solid beverage or concentrated liquid beverage. This kind of bottle cap is usually combined with bottled water, and can also be packaged and sold alone. When using, the bottle cap is twisted or pressed, the top-piercing piece in the cap breaks the lower cap sealing bottom, so that the solid beverage in the bottle cap dissolves with the water in the bottle, thereby providing for the drinker to drink.
[0003] However, the existing twist type solid-liquid separation bottle cap has some drawbacks. One of the main problems is that the material bin sealing base and the cap body are not one-time injection molding. This design needs to be heat sealed with aluminum foil after filling. However, due to the different cold and hot shrinkage ratios of plastic parts and aluminum foil, when affected by high temperature or low temperature, thermal expansion and cold contraction easily occur, resulting in leakage. This not only affects the sealing of the product, but also may cause the material in the bottle cap to be damp and deteriorate, thereby bringing great food safety risk. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a solid-liquid separation bottle cap of material bin and sealing bottom integrated moulding twist down top open formula to solve the problem of leakage caused by the different cold and hot shrinkage ratios of plastic parts and aluminum foil when affected by high temperature or low temperature.
[0005] To achieve the above-mentioned purpose, the utility model provides a solid-liquid separation bottle cap of material bin and sealing bottom integrated moulding twist down top open formula, which comprises a main cap, a piercing bottom is arranged below the inside of the main cap 21, a sealing material bin is arranged above the inside of the main cap, an upper cap is installed on the top of the main cap, a sealing bottom is arranged at the bottom of the sealing material bin, a piercing bottom base is arranged at the bottom of the piercing bottom, and a conical piercing piece is integrally formed and installed at the middle of the piercing bottom base.
[0006] As a preferred, an ultrasonic welding site is arranged in the inside of the upper cap, the top bin opening of the sealing material bin and the ultrasonic welding site are sealed by ultrasonic welding glue, an upper cap inner seal is installed at the upper part of the upper cap close to the inner wall of the main cap, an inner thread is arranged on the inner wall of the upper cap, a main cap thread is arranged on the outside of the top of the main cap, and the inner thread is connected and matched with the main cap thread.
[0007] As a preferred, an outer thread of the material bin is arranged on the outside of the lower part of the sealing material bin, an inner thread of the piercing bottom is arranged on the inner wall of the piercing bottom, and the outer thread of the material bin is connected and matched with the inner thread of the piercing bottom.
[0008] As preferred, the sealing bottom is integrally formed with the bottom of the sealing bin, and the sealing bottom is a conical structure recessed towards the inside of the sealing bin.
[0009] As preferred, the top of the main cover is provided with a positioning ring, which is positioned in cooperation with the bottom opening of the upper cover, and a bottle mouth sealing ring is mounted on the outside of the middle of the main cover, and the inner wall of the bottle mouth sealing ring is provided with a main cover internal thread, which is connected with the bottle mouth.
[0010] As preferred, the inner wall of the bottle mouth sealing ring is mounted with a main cover outer seal, the outer wall of the main cover is mounted with a main cover inner seal near the bottle mouth sealing ring, the bottom of the bottle mouth sealing ring is mounted with an anti-theft ring, the anti-theft ring is clamped in the annular clamping groove on the outside of the bottle mouth, and the connection between the anti-theft ring and the bottle mouth sealing ring is provided with a fracture line.
[0011] As preferred, the bottom of the main cover is mounted with a main cover base, which supports and positions the bottom of the piercing bottom, the bottom of the piercing bottom is provided with a piercing bottom positioning groove, the inner wall of the main cover base is mounted with a positioning block, and the piercing bottom positioning groove is clamped in cooperation with the positioning block.
[0012] As preferred, the piercing bottom base is an annular structure, and the inner wall of the piercing bottom base is connected and fixed with the conical piercing part through a plurality of connecting pieces.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] In the solid-liquid separation bottle cap with a sealing bin and a sealing bottom integrally formed and twisted down and opened, the sealing bin and the sealing bottom are integrally injection molded, eliminating the leakage problem caused by the different cold and hot shrinkage ratios due to the hot plastic sealing of the plastic part and the aluminum foil in the traditional design. The upper cover and the sealing bin are firmly connected through ultrasonic welding technology, and the sealing performance of the welding site is very strong, which ensures the sealing environment inside the bottle cap and effectively prevents the material from being damp and deteriorated. When the bottle cap is twisted clockwise, the conical piercing part on the piercing bottom can easily break the sealing bottom, realizing solid-liquid separation, which is simple and convenient to operate. The integrally formed design and the precise structure cooperation make the resistance small during the twisting process, and the user experience is better.
[0015] The parts of the bottle cap are tightly connected through thread connection and clamping connection, which ensures the stability and reliability of the overall structure. The support and positioning design between the piercing bottom base and the main cover base and the clamping cooperation between the piercing bottom positioning groove and the positioning block further enhance the structural strength of the bottle cap. The integrally injection molding and the ultrasonic welding technology avoid harmful substances that may be produced in the traditional hot plastic sealing process, ensuring the safety and hygiene of the product. The improvement of the sealing performance effectively prevents the invasion of external pollutants, ensuring the purity of the material. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic diagram of the utility model;
[0017] Figure 2 It is the structure schematic diagram of the upper cover in the utility model;
[0018] Figure 3 It is the structure schematic diagram of the sealed hopper in the utility model;
[0019] Figure 4 It is the structure schematic diagram of the piercing bottom in the utility model;
[0020] Figure 5 It is the structure schematic diagram of the main cover in the utility model;
[0021] Figure 6 It is the structure schematic diagram of the piercing bottom base in the utility model;
[0022] The meaning of each reference numeral in the drawing is as follows:
[0023] 1, upper cover; 11, upper cover inner seal; 12, inner buckle thread; 13, ultrasonic welding position; 2, sealed hopper; 21, hopper outer thread; 22, sealing bottom; 221, disconnection line; 3, piercing bottom; 31, piercing bottom base; 311, connecting piece; 32, piercing bottom inner thread; 33, piercing bottom positioning groove; 34, conical piercing piece; 4, main cover; 41, main cover outer seal; 42, main cover inner seal; 43, bottle mouth sealing ring; 431, anti-theft ring; 44, main cover base; 441, positioning block; 45, main cover buckle; 46, positioning ring; 47, main cover inner thread. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] The utility model provides a kind of hopper and sealing bottom integrated molding rotary twist down top opening type solid-liquid separation bottle cap, such as Figures 1-6As shown, it comprises a main cover 4, a piercing bottom 3 arranged below the inside of the main cover 4, a sealed material bin 2 arranged above the inside of the main cover 4, an upper cover 1 mounted on the top of the main cover 4, a sealing bottom 22 arranged at the bottom of the sealed material bin 2, and a piercing bottom base 31 arranged at the bottom of the piercing bottom 3, and a conical piercing member 34 integrally formed in the middle of the piercing bottom base 31. The piercing bottom 3 arranged below the inside of the main cover 4 cooperates with the sealed material bin 2 arranged above to form the main structure of solid-liquid separation. The sealing bottom 22 at the bottom of the sealed material bin 2 ensures the sealing of the material during storage, effectively preventing leakage and deterioration of the material. The piercing bottom base 31 at the bottom of the piercing bottom 3 and the conical piercing member 34 integrally formed in the middle thereof can easily pierce the sealing bottom 22 when the bottle cap is twisted, completing the solid-liquid separation operation. This integrally formed design not only improves the structural strength of the bottle cap, but also simplifies the production process, making the bottle cap more durable and easy to use.
[0026] In this embodiment, the inside of the upper cover 1 is provided with an ultrasonic welding site 13, and the top bin opening of the sealed material bin 2 is sealed by ultrasonic welding glue with the ultrasonic welding site 13, realizing the firm connection and sealing between the upper cover and the sealed material bin. This welding method not only improves the sealing performance of the bottle cap, but also simplifies the production process and enhances the overall structural strength of the bottle cap. An upper cover inner seal 11 is mounted on the upper part of the upper cover 1 near the inner wall of the main cover 4, an inner thread 12 is arranged on the inner wall of the upper cover 1, a main cover thread 45 is arranged on the top outer side of the main cover 4, and the inner thread 12 is connected and cooperated with the main cover thread 45. This thread connection method enables the upper cover 1 to be tightly fixed on the main cover 4, enhancing the stability and durability of the bottle cap.
[0027] Specifically, a bin outer thread 21 is arranged on the lower outer side of the sealed material bin 2, a piercing bottom inner thread 32 is arranged on the inner wall of the piercing bottom 3, and the bin outer thread 21 is connected and cooperated with the piercing bottom inner thread 32. This thread design enables the sealed material bin 2 to be firmly mounted on the piercing bottom 3, ensuring the reliability and stability of the solid-liquid separation mechanism.
[0028] Further, the sealing bottom 22 is integrally formed with the bottom of the sealed material bin 2, the sealing bottom 22 is conical and recessed inwardly into the sealed material bin 2, a plurality of breaking lines 221 are arranged in the middle of the sealing bottom 22, and the number of the breaking lines 221 is 2-6. This design enables the sealing bottom 22 to evenly break along the breaking lines 221 when subjected to a piercing force, realizing solid-liquid separation while ensuring controllability of breaking and integrity of the sealing bottom.
[0029] Further, the top outer side of the main cover 4 is provided with a positioning ring 46, which is positioned in cooperation with the bottom opening of the upper cover 1, and the middle outer side of the main cover 4 is provided with a bottle mouth sealing ring 43, the inner wall of which is provided with a main cover internal thread 47, which is connected and matched with the bottle mouth. This design enables the main cover 4 to be accurately positioned on the bottle mouth, and realizes the tight sealing with the bottle mouth through the sealing ring 43, thereby enhancing the sealing performance and stability of the bottle cap.
[0030] Further, the inner wall of the bottle mouth sealing ring 43 is provided with a main cover outer seal 41, the outer wall of the main cover 4 is provided with a main cover inner seal 42 near the bottle mouth sealing ring 43, the bottom of the bottle mouth sealing ring 43 is provided with a theft-proof ring 431, which is clamped in the annular clamping groove on the outer side of the bottle mouth, and the connection between the theft-proof ring 431 and the bottle mouth sealing ring 43 is provided as a fracture line. This design not only enhances the sealing performance of the bottle cap, but also realizes the anti-theft function. Once the bottle cap is opened, the theft-proof ring will be broken and cannot be restored, effectively preventing the product from being stolen.
[0031] Further, the bottom of the main cover 4 is provided with a main cover base 44, which supports and positions the bottom of the piercing bottom 3, the bottom outer side of the piercing bottom 3 is provided with a piercing bottom positioning groove 33, and the inner wall of the main cover base 44 is provided with a positioning block 441, which is clamped and matched with the piercing bottom positioning groove 33. This design enables the piercing bottom 3 to be firmly fixed on the main cover base 44, thereby ensuring the stability and reliability of the solid-liquid separation mechanism.
[0032] Further, the piercing bottom base 31 is in a ring shape, and the inner wall of the piercing bottom base 31 is connected and fixed with the conical piercing part 34 through a plurality of connecting pieces 311. This design enables the conical piercing part 34 to be firmly installed on the piercing bottom base 31, thereby ensuring the transmission of the piercing force and the realization of solid-liquid separation. At the same time, the design of the connecting pieces 311 also enhances the structural strength of the piercing bottom base 31.
[0033] In use, the material bin and the sealing bottom of the utility model are integrally formed, and the upper cover 1 and the sealing material bin 2 are ultrasonically welded through the ultrasonic welding position 13, so that the upper cover and the sealing material bin are firmly connected as a whole to form a sealing structure. This step ensures that the material in the material bin will not leak or deteriorate during storage and transportation. The bottom of the sealing material bin 2 is provided with a sealing bottom 22, which is integrally injection molded with the sealing material bin, thereby ensuring the reliability of the sealing performance.
[0034] The assembled upper cover 1 and the sealing bin 2 are connected with the main cover 12 on the top of the outer side of the main cover 45 by the inner buckle screw 12, and are fixed on the upper cover 4. The top of the outer side of the main cover 4 is provided with a positioning ring 46, which is used for cooperating with the bottom opening of the upper cover 1 to position, so that the assembled bottle cap can be accurately installed on the bottle mouth. The lower outer side of the sealing bin 2 is provided with a bin outer screw 21, which is connected with the inner screw 32 in the inner wall of the piercing bottom 3, so as to firmly install the sealing bin 2 on the piercing bottom 3. The bottom of the piercing bottom 3 is provided with a piercing bottom positioning groove 33, which is connected with the positioning block 441 at the bottom of the main cover 4, so as to ensure that the piercing bottom 3 does not rotate and move with the sealing bin 2 during the screwing process.
[0035] When the user rotates the bottle cap clockwise, the upper cover 1 and the sealing bin 2 rotate downward as a whole. Since the piercing bottom 3 is fixed by the positioning block 441 of the main cover 4, it will not rotate. When the screwing reaches the bottom of the screw thread stroke, the conical piercing part 34 in the middle of the piercing bottom 3 will break the sealing bottom 22, realizing the solid-liquid separation. The sealing bottom 22 is evenly broken along the preset breaking line 221, and the solid beverage in the bin falls into the water bottle and dissolves with water. The user can continue to unscrew the bottle cap counterclockwise, and since the bottle cap has realized solid-liquid separation, the water in the bottle can be drunk at this time. The bottle mouth sealing ring 43 and the inner and outer seals 41 and 42 of the main cover ensure the sealing performance of the bottle cap, preventing external pollution sources from entering the water bottle. The anti-theft ring 431 plays an anti-theft role after the bottle cap is screwed with the water bottle. If the anti-theft ring is broken, it is considered that the bottle of water has been opened and used.
[0036] The above shows and describes the basic principles, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A kind of silo and sealing bottom integrated rotation and torsion under top opening type solid-liquid separation bottle cap, including main cover (4), it is characterized in that: The inside of the main cover (4) is provided with a piercing bottom (3), and the inside of the main cover (4) is provided with a sealing bin (2) above, the top of the main cover (4) is provided with an upper cover (1), the bottom of the sealing bin (2) is provided with a sealing bottom (22), the bottom of the piercing bottom (3) is provided with a piercing bottom base (31), and the middle of the piercing bottom base (31) is integrally formed with a conical piercing part (34).
2. The integrated bin and seal bottom rotary-torque, top-popping, solid-liquid separation bottle cap of claim 1, wherein: The inside of the upper cover (1) is provided with an ultrasonic welding site (13), the top bin opening of the sealing bin (2) is sealed by ultrasonic welding glue with the ultrasonic welding site (13), the upper cover (1) is provided with an upper cover inner seal (11) near the inner wall of the main cover (4), the inner wall of the upper cover (1) is provided with an inner thread (12), the outer side of the top of the main cover (4) is provided with a main cover thread (45), and the inner thread (12) is connected and matched with the main cover thread (45).
3. The integrated bin and seal bottom rotary-torque, top-popping, solid-liquid separation bottle cap of claim 1, wherein: The outer side of the lower part of the sealing bin (2) is provided with a bin outer thread (21), the inner wall of the piercing bottom (3) is provided with a piercing bottom inner thread (32), and the bin outer thread (21) is connected and matched with the piercing bottom inner thread (32).
4. The integrated bin and seal bottom rotary-torque, top-popping, solid-liquid separation bottle cap of claim 2, wherein: The sealing bottom (22) is integrally formed with the bottom of the sealing bin (2), the sealing bottom (22) is a conical recess structure towards the inside of the sealing bin (2), the middle of the sealing bottom (22) is provided with a plurality of disconnection lines (221), and the number of the disconnection lines (221) is 2-6.
5. The integrated bin and seal bottom rotary-torque, top-popping, solid-liquid separation bottle cap of claim 1, wherein: The outer side of the top of the main cover (4) is provided with a positioning ring (46), the positioning ring (46) is matched and positioned with the bottom opening of the upper cover (1), the outer side of the middle of the main cover (4) is provided with a bottle mouth sealing ring (43), the inner wall of the bottle mouth sealing ring (43) is provided with a main cover inner thread (47), and the main cover inner thread (47) is connected and matched with the bottle mouth.
6. The integrated bin and seal bottom rotary-torque, top-popping, solid-liquid separation bottle cap of claim 5, wherein: The inner wall of the bottle mouth sealing ring (43) is provided with a main cover outer seal (41), the outer wall of the main cover (4) is provided with a main cover inner seal (42) near the bottle mouth sealing ring (43), the bottom of the bottle mouth sealing ring (43) is provided with an anti-theft ring (431), the anti-theft ring (431) is clamped in the annular clamping groove outside the bottle mouth, and the connection part of the anti-theft ring (431) and the bottle mouth sealing ring (43) is provided as a disconnection line.
7. The integrated bin and seal bottom rotary-torque, top-popping, solid-liquid separation bottle cap of claim 6, wherein: The bottom of the main cover (4) is provided with a main cover base (44), the main cover base (44) supports and positions the bottom of the piercing bottom (3), the outer side of the bottom of the piercing bottom (3) is provided with a piercing bottom positioning groove (33), and the inner wall of the main cover base (44) is provided with a positioning block (441).
8. The integrated bin and seal bottom rotary-torque, top-popping, solid-liquid separation bottle cap of claim 1, wherein: The piercing bottom base (31) is an annular structure, and the inner wall of the piercing bottom base (31) is connected and fixed with the conical piercing part (34) through a plurality of connecting pieces (311).