A thermos cup lid for children

CN224627907UActive Publication Date: 2026-08-14李媛
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-20
Publication Date
2026-08-14

AI Technical Summary

Technical Problem

然而,由于儿童的好奇心和活泼好动的天性,部分儿童可能会在其他儿童不在场时,打开其保温杯杯盖并向内部投入杂物,像纸片、小石子等

Benefits of technology

[0011]与现有技术相比,本实用新型的有益效果是:有效防止非授权开启:通过外保护套对内连接套转动的限制、防转结构的卡柱与限位口的配合以及锁紧结构的设置,实现了对杯盖的多重锁定。同时,指纹识别模块的身份验证功能,只有录入指纹的授权儿童或监护人才能开启杯盖,大大提高了杯盖的防开启能力,有效防止其他儿童随意打开杯盖并投入杂物。

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Abstract

This utility model discloses a thermos cup lid for children, belonging to the technical field of thermos cup lids. Through a unique structural design and identity verification function, it effectively prevents other children from opening the lid at will, avoids foreign objects from being thrown into the thermos, and ensures children's drinking safety and health. It includes an inner connecting sleeve fitted onto the top of the thermos, with an outer protective sleeve fitted over the inner connecting sleeve to prevent rotation. A flip-top is connected to the side of the outer protective sleeve via a hinge, effectively preventing unauthorized opening. Multiple locking mechanisms are achieved through the outer protective sleeve's restriction on the rotation of the inner connecting sleeve, the cooperation of the anti-rotation structure's locking post and limiting port, and the locking structure. Simultaneously, the fingerprint recognition module's identity verification function ensures that only authorized children or guardians with registered fingerprints can open the lid, greatly improving the lid's anti-opening capability and effectively preventing other children from opening the lid and throwing in foreign objects.
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Description

Technical Field

[0001] A thermos cup lid for children. This utility model belongs to the technical field of thermos cup lids, specifically relating to the technical field of thermos cup lids for children. Background Technology

[0002] In group activities for children, such as in kindergartens and schools, children usually bring their own insulated water bottles. However, due to children's curiosity and active nature, some children may open their insulated water bottle lids and put miscellaneous items, such as pieces of paper or small stones, into the bottle when other children are not around. Once these items enter the insulated water bottle, they will directly contaminate the drinking water inside. If children drink this contaminated water, it is highly likely to cause health problems, such as gastrointestinal discomfort.

[0003] Most children's insulated cup lids currently on the market only have basic sealing functions and simple structures, making them easy for other children to open. While some lids have simple locking mechanisms, their ease of operation fails to effectively prevent other children from opening them, making it difficult to meet the practical needs of preventing foreign objects from being thrown in and ensuring drinking water safety. Therefore, designing a children's insulated cup lid that reliably prevents unauthorized opening is of significant practical importance. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a thermos cup lid for children. Through a unique structural design and identity verification function, it effectively prevents other children from opening the lid at will, avoids foreign objects from being put into the thermos cup, and ensures children's drinking water safety and health.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A thermos cup lid for children includes an inner connecting sleeve fitted onto the top of the thermos cup, an outer protective sleeve fitted onto the outside of the inner connecting sleeve to prevent rotation, a flip cover connected to the side of the outer protective sleeve via a hinge, a locking structure for locking the flip cover on one side of the inside, an anti-rotation structure for preventing the inner connecting sleeve from rotating on the other side of the flip cover, and a fingerprint recognition module for identity verification when opening the flip cover on the side.

[0006] As a preferred embodiment of this utility model, the inner wall of the inner connecting sleeve is provided with an internal thread for tight connection with the thermos body. A groove is provided on the outer circumference of the inner connecting sleeve. Protrusions are distributed on the side of the inner connecting sleeve, and an opening is provided between adjacent protrusions. A water outlet pipe for drinking is provided at the top of the inner part of the connecting sleeve. A ratchet is installed on the outer wall of the water outlet pipe. A pawl that can rotate is installed on the inner connecting sleeve on the side of the ratchet via a pin. A stop block is provided on the inner connecting sleeve on the side of the pawl to limit its movement. A limit opening is provided inside the stop block.

[0007] As a preferred technical solution of this utility model, the bottom of the inner side of the outer protective sleeve is provided with anti-detachment protrusions that can pass through the opening and slide in the groove. A spacer ring is installed inside the outer protective sleeve at the position above the ratchet. A limiting frame for the block to slide is installed at the bottom of the spacer ring. The anti-rotation structure includes a locking post inserted into the limiting port. A guide port is opened on the spacer ring at the position corresponding to the locking post.

[0008] As a preferred technical solution of this utility model, a partition is installed inside the flip cover, the top of the locking post is fixed on the partition, an installation ring is installed on the partition corresponding to the position of the water outlet pipe, a pressure frame is installed inside the installation ring, a sealing gasket that can seal the water outlet pipe is installed at the bottom of the pressure frame, a liner for supporting the fingerprint recognition module is provided on the surface of the partition, and an electronic control box, a battery pack and a charging module are also installed on the surface of the partition, and a charging port is opened on the flip cover corresponding to the position of the charging module.

[0009] As a preferred embodiment of this utility model, the locking structure includes a bracket pressed against the surface of the partition plate, a cover plate installed at the top of the bracket, a sliding plate slidably installed between the bracket and the cover plate, a limiting plate installed at the bottom of the sliding plate, the bottom of the limiting plate being located below the partition ring and connected to a protrusion, through holes being provided on both the partition ring and the partition plate at positions corresponding to the limiting plate, and a sealing ring being installed on the limiting plate at positions corresponding to the through holes on the partition plate, a push plate being installed at the top of the sliding plate, and a return spring being installed between the push plate and the cover plate.

[0010] As a preferred embodiment of this utility model, the locking power component includes a limiting frame mounted on the surface of the partition, a servo motor installed inside the limiting frame, and a cam capable of pushing the slide plate mounted on the output shaft of the servo motor.

[0011] Compared with existing technologies, the beneficial effects of this utility model are: effectively preventing unauthorized opening: by restricting the rotation of the inner connecting sleeve with the outer protective sleeve, cooperating with the locking post and the limiting port of the anti-rotation structure, and setting up a locking structure, multiple locking mechanisms are achieved for the cup lid. At the same time, the fingerprint recognition module's identity verification function ensures that only authorized children or guardians with registered fingerprints can open the cup lid, greatly improving the lid's anti-opening capability and effectively preventing other children from opening the lid at will and putting in miscellaneous items.

[0012] Excellent sealing: The sealing gasket at the bottom of the pressure holder tightly seals the water outlet when the cup lid is closed, preventing liquid leakage. The sealing ring at the limit plate also enhances the seal when the flip lid is closed, further ensuring the hygiene and safety of drinking water.

[0013] Sturdy and durable structure: The connection between the various components is scientific and reasonable, such as the cooperation between the anti-detachment boss and the slide and opening, as well as the setting of various limiting structures, which ensures the stability of the overall structure of the cup lid and extends its service life.

[0014] Intelligent and convenient features: The locking mechanism, composed of a servo motor and a cam, can be controlled by an electronic control box to achieve automatic locking and unlocking, making operation convenient. The inclusion of a charging module and charging port facilitates power supply to the electronic components of the lid, further enhancing ease of use. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the internal structure of the present invention; Figure 3 This is a schematic diagram of the first cross-sectional structure of the present invention; Figure 4 This is a schematic diagram of the second cross-sectional structure of the present invention; Figure 5 This is a schematic diagram of the third cross-sectional structure of this utility model; 1-Inner connecting sleeve; 11-Internal thread; 12-Protruding plate; 13-Opening; 14-Slide groove; 15-Water outlet pipe; 16-Ratchet; 17-Pawl; 18-Stop block; 2-Outer protective sleeve; 21-Anti-detachment boss; 22-Spacer ring; 23-Clip; 3-Hinge; 4-Flip cover; 41-Partition plate; 42-Liner plate; 43-Electrical control box; 44-Mounting ring; 45-Pressure frame; 46-Sealing gasket; 47-Battery pack ; 48-Charging module; 49-Charging port; 5-Locking structure; 51-Bracket; 52-Cover plate; 53-Slide plate; 54-Limiting plate; 55-Protrusion; 56-Push plate; 57-Reset spring; 6-Locking power component; 61-Limiting frame; 62-Servo motor; 63-Cam; 7-Anti-rotation structure; 71-Card post; 72-Guide port; 73-Limiting frame; 74-Limiting port; 8-Fingerprint recognition module. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-5 This utility model provides a technical solution: A thermos cup lid for children includes an inner connecting sleeve 1 that fits onto the top of the thermos cup.

[0018] Inner connecting sleeve 1 structure The inner wall of the inner connecting sleeve 1 is provided with an internal thread 11, which can be tightly connected with the body of the thermos cup to ensure that the cup lid and the body of the thermos cup are firmly connected.

[0019] The inner connecting sleeve 1 has a groove 14 on its outer circumference and protrusions 12 distributed on its side. An opening 13 is provided between adjacent protrusions 12.

[0020] The inner top of the inner connecting sleeve 1 is provided with a water outlet pipe 15 for drinking water. A ratchet 16 is installed on the outer wall of the water outlet pipe 15. A pawl 17 that can rotate is installed on the inner connecting sleeve 1 on the side of the ratchet 16 via a pin. A stop block 18 is provided on the inner connecting sleeve 1 on the side of the pawl 17 to limit its movement. A limit port 74 is opened inside the stop block 18.

[0021] Outer protective sleeve 2 structure An outer protective sleeve 2 is fitted onto the outside of the inner connecting sleeve 1, and the outer protective sleeve 2 can prevent the inner connecting sleeve 1 from rotating. The bottom of the inner side of the outer protective sleeve 2 is provided with anti-detachment protrusions 21, which can pass through the opening 13 and slide in the groove 14, thereby ensuring the connection stability between the outer protective sleeve 2 and the inner connecting sleeve 1.

[0022] Inside the outer protective sleeve 2, at the position corresponding to the ratchet 16, a spacer ring 22 is installed, and at the bottom end of the spacer ring 22, a limiting frame 73 for the stop block 18 to slide is installed.

[0023] Flip cover 4 and related structures The outer protective cover 2 has a flip cover 4 connected to its side via a hinge 3.

[0024] Anti-rotation structure 7: An anti-rotation structure 7 is provided on the other side of the inside of the flip cover 4 to prevent the inner connecting sleeve 1 from rotating. A partition 41 is installed inside the flip cover 4. The anti-rotation structure 7 includes a locking post 71 that is inserted into the limiting port 74. A guide port 72 is provided on the spacer ring 22 at the position corresponding to the locking post 71. The top end of the locking post 71 is fixed on the partition 41. When the flip cover 4 is closed, the locking post 71 is inserted into the limiting port 74, further restricting the rotation of the inner connecting sleeve 1.

[0025] Sealing structure: A mounting ring 44 is installed at the position of the partition 41 corresponding to the water outlet pipe 15. A pressure frame 45 is installed inside the mounting ring 44. A sealing gasket 46 is installed at the bottom of the pressure frame 45 to seal the water outlet pipe 15 and ensure that the liquid in the cup will not leak.

[0026] Electronic components: The surface of the partition 41 is provided with a backing plate 42 to support the fingerprint recognition module 8. The surface of the partition 41 is also equipped with an electronic control box 43, a battery pack 47 and a charging module 48. A charging port 49 is provided on the flip cover 4 at the position corresponding to the charging module 48.

[0027] Locking structure 5: A locking structure 5 for locking the flip cover 4 is provided on one side of the interior. The locking structure 5 includes a bracket 51 pressed against the surface of the partition 41, a cover plate 52 installed at the top of the bracket 51, a sliding plate 53 slidably installed between the bracket 51 and the cover plate 52, a limiting plate 54 installed at the bottom of the sliding plate 53, the bottom of the limiting plate 54 is located below the partition ring 22 and connected to a protrusion 55, through holes are opened on both the partition ring 22 and the partition 41 at positions corresponding to the limiting plate 54, and a sealing ring is installed on the limiting plate 54 at positions corresponding to the through holes on the partition 41, a push plate 56 is installed at the top of the sliding plate 53, and a return spring 57 is installed between the push plate 56 and the cover plate 52.

[0028] Locking power component 6: includes a limit frame 61 mounted on the surface of the partition 41, a servo motor 62 installed inside the limit frame 61, and a cam 63 that can push the slide plate 53 is mounted on the output shaft of the servo motor 62.

[0029] Installation process Tighten the inner connecting sleeve 1 onto the top of the thermos body via the internal thread 11 on the inner wall, ensuring a tight connection. Then, slip the outer protective sleeve 2 over the inner connecting sleeve 1, allowing the anti-detachment protrusion 21 at the bottom of the outer protective sleeve 2 to pass through the opening 13 of the inner connecting sleeve 1 and slide in the groove 14, completing the assembly of the outer protective sleeve 2 and the inner connecting sleeve 1. Finally, attach the flip cover 4 to the side of the outer protective sleeve 2 using the hinge 3.

[0030] Second, the process of closing the cup lid. When the lid needs to be closed, the flip cover 4 is rotated around the hinge 3 to the closed state. At this time, the locking pin 71 of the anti-rotation structure 7 is inserted into the limiting port 74 of the stop block 18 under the guidance of the guide port 72, restricting the rotation of the inner connecting sleeve 1. At the same time, the control box 43 controls the servo motor 62 of the locking power component 6 to start. The servo motor 62 drives the cam 63 to rotate. The cam 63 pushes the slide plate 53 to slide downward. The slide plate 53 drives the limiting plate 54 to move downward. The limiting plate 54 passes through the through hole on the partition ring 22 and the partition plate 41. The protrusion 55 is stuck under the partition ring 22 to lock the flip cover 4. During the closing process of the flip cover 4, the sealing gasket 46 at the bottom of the pressure frame 45 presses the water outlet pipe 15 to seal the water outlet pipe 15.

[0031] Three steps to opening the cup lid Authorized personnel, such as the child or their guardian, place their finger on the fingerprint recognition module 8 for fingerprint verification. The fingerprint recognition module 8 then transmits the identification information to the electronic control box 43. If the fingerprint information matches, the electronic control box 43 controls the servo motor 62 to reverse, and the cam 63 stops pushing the slide plate 53. Under the action of the reset spring 57, the slide plate 53 drives the limit plate 54 to reset, releasing the lock on the flip cover 4. At this time, the authorized personnel can rotate the flip cover 4 to open it.

[0032] 4. Routine Maintenance and Charging During daily use, the battery pack 47 can be charged through the charging port 49 and the charging module 48 to ensure the normal operation of electronic components such as the electronic control box 43, servo motor 62, and fingerprint recognition module 8. At the same time, regularly check the connections and sealing performance of each part of the cup lid; if any damage or loosening is found, repair or replace it promptly.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vacuum cup cover for children, comprising an inner connecting sleeve (1) sleeved on the top end of the vacuum cup, characterized in that: The inner connecting sleeve (1) is fitted with an outer protective sleeve (2) that prevents it from rotating. The side of the outer protective sleeve (2) is connected to a flip cover (4) via a hinge (3). The inside of the flip cover (4) is provided with a locking structure (5) for locking it. The inside of the flip cover (4) is provided with an anti-rotation structure (7) to prevent the inner connecting sleeve (1) from rotating. The side of the flip cover (4) is provided with a fingerprint recognition module (8) for identity verification when the flip cover (4) is opened.

2. A vacuum flask lid for children according to claim 1, characterized in that: The inner wall of the inner connecting sleeve (1) is provided with an internal thread (11) for tight connection with the thermos body. A groove (14) is provided on the outer circumference of the inner connecting sleeve (1). The inner connecting sleeve (1) has protrusions (12) distributed on its side. An opening (13) is provided between adjacent protrusions (12). A water outlet pipe (15) for drinking is provided at the top of the inner end of the connecting sleeve (1). A ratchet (16) is installed on the outer wall of the water outlet pipe (15). A pawl (17) that can rotate is installed on the inner connecting sleeve (1) on the side of the ratchet (16) by a pin. A stop (18) that limits the ratchet (17) is provided on the inner connecting sleeve (1) on the side of the ratchet (17). A limit opening (74) is opened inside the stop (18).

3. A vacuum flask lid for children according to claim 1, characterized in that: The bottom of the inner side of the outer protective sleeve (2) is provided with anti-detachment bosses (21) that can pass through the opening (13) and slide in the slide groove (14). A spacer ring (22) is installed inside the outer protective sleeve (2) at the position above the ratchet (16). A limiting frame (73) for the stop block (18) to slide is installed at the bottom of the spacer ring (22). The anti-rotation structure (7) includes a locking post (71) inserted into the limiting port (74). A guide port (72) is opened on the spacer ring (22) at the position corresponding to the locking post (71).

4. A vacuum flask lid for children according to claim 3, characterised in that: The inside of the flip cover (4) is equipped with a partition (41), the top of the locking post (71) is fixed on the partition (41), the partition (41) is equipped with an installation ring (44) at the position corresponding to the water outlet pipe (15), the inside of the installation ring (44) is equipped with a pressure frame (45), the bottom end of the pressure frame (45) is equipped with a sealing gasket (46) that can seal the water outlet pipe (15), the surface of the partition (41) is provided with a liner (42) to support the fingerprint recognition module (8), the surface of the partition (41) is also equipped with an electronic control box (43), a battery pack (47) and a charging module (48), and a charging port (49) is opened on the flip cover (4) at the position corresponding to the charging module (48).

5. A vacuum flask lid for children according to claim 4, characterised in that: The locking structure (5) includes a bracket (51) pressed against the surface of the partition (41). A cover plate (52) is installed on the top of the bracket (51). A sliding plate (53) is slidably installed between the bracket (51) and the cover plate (52). A limiting plate (54) is installed at the bottom of the sliding plate (53). The bottom of the limiting plate (54) is located below the partition ring (22) and connected to a protrusion (55). Through holes are opened on the partition ring (22) and the partition (41) at positions corresponding to the limiting plate (54). A sealing ring is installed on the limiting plate (54) at the position corresponding to the through hole on the partition (41). A push plate (56) is installed on the top of the sliding plate (53). A return spring (57) is installed between the push plate (56) and the cover plate (52).