Vacuum cup cover locking mechanism

Abstract

The utility model relates to a locking mechanism for a cup cover of a vacuum cup, which belongs to the technical field of vacuum cup parts and comprises a cup cover shell and an inner cover which is rotatably connected with the cup cover shell and is in threaded connection with an inner hole of a cup body, the inner cover is of a hollow structure, the bottom of the inner cover is closed, and ratchets are arranged on the side wall of an inner cavity of the inner cover. A rotatable locking block is arranged in an inner cavity of the inner cover, a spring bolt matched with the ratchets is arranged on the locking block, and a driving disc for driving the locking block to rotate around a rotating shaft of the locking block so as to complete clamping connection and separation of the locking block and the ratchets is further arranged in the inner cavity of the inner cover. According to the spring bolt mechanism, a similar ratchet wheel form is adopted, in the cup cover locking process, the spring bolt is rotationally ejected out through the driving disc and is tightly combined with the ratchets, the cup cover can be normally screwed, and when the spring bolt is separated from the ratchets, the spring bolt can be separated from the ratchets only by reversely rotating the driving disc, matching is smoother, and clamping is prevented.

Description

Technical Field

[0001] The utility model relates to a locking mechanism for a thermos cup lid, belonging to the technical field of thermos cup components. Background Art

[0002] With the continuous improvement of people's requirements for the quality of life, intelligent products have gradually penetrated into people's daily lives. As a commonly used utensil in life, a cup is usually used to hold beverages. However, the functions of traditional cups are relatively single and cannot meet the growing diverse needs of consumers. Especially in public places or when shared by multiple people, how to ensure the privacy and security of the beverages in the cup has become a new problem.

[0003] The existing confidentiality measures mainly rely on physical locks, password locks and other methods, but these methods have many inconveniences, such as complex operations, easy to forget passwords or lose keys, etc. In addition, with the maturity and wide application of fingerprint recognition technology, fingerprint unlocking has gradually become an efficient, convenient and secure identity verification method, and has been widely used in fields such as smart phones and door locks.

[0004] At present, there are also innovative products on the market that combine fingerprint unlocking technology with daily necessities such as cups. It can not only ensure the privacy and security of the user's beverages, but also greatly improve the user's experience, and has important practical value.

[0005] However, for the current fingerprint unlocking thermos cup in the form of a rotary thermos cup, the internal locking mechanism uses a linear motion lock tongue, and during use, there is a risk that the lock tongue does not correctly fall into the lock hole, there is a risk of motor blockage, or damage to the internal structure of the cup lid. Summary of the Utility Model

[0006] The utility model provides a locking mechanism for a thermos cup lid, which solves the problems that when using a linear motion lock tongue currently, there is a risk that the lock tongue does not correctly fall into the lock hole, there is a risk of motor blockage, or damage to the internal structure of the cup lid.

[0007] The utility model provides a locking mechanism for a thermos cup lid, including a cup lid outer shell and an inner lid that is rotatably connected to the cup lid outer shell and threadedly connected to the inner hole of the cup body. The inner lid is a hollow structure, the bottom of the inner lid is closed, there are ratchet teeth provided on the side wall of the inner cavity of the inner lid, there is a rotatable locking block provided in the inner cavity of the inner lid, there is a lock tongue on the locking block that cooperates with the ratchet teeth, there is an elastic torsion member on the locking block that makes the lock tongue of the locking block stick to the ratchet teeth under normal conditions, and there is also a driving disk provided in the inner cavity of the inner lid that limits and blocks the locking block and releases the blocking of the locking block.

[0008] The elastic torsion member is a return torsion spring provided on the rotating shaft of the locking block.

[0009] The driving disk is connected to a driving motor, and an arc-shaped avoidance opening is provided on the outer circumference of the driving disk. When the locking block is rotated and retracted into the avoidance opening, the lock tongue is disengaged from the ratchet. The structure is simple and practical, and it is convenient for the driving disk to drive the locking block to rotate and return to disengage the lock.

[0010] As a preferred embodiment, an arc-shaped toggle plate is fixed on the top of the driving disk, and the toggle plate and the driving disk are eccentrically arranged. A contact switch 1 triggered by the toggle plate is provided next to the driving disk. The contact switch 1 is connected to the driving motor and can be driven by the driving disk to rotate the toggle plate, thereby triggering the contact switch 1, locating the position of the driving disk and better locating the stop position of the driving motor.

[0011] As a preferred embodiment, a trigger handle is fixed to one end of the locking block away from the lock tongue, and a contact switch 2 is provided on the outer side of the trigger handle. Contact switch 2 is connected to the drive motor to locate the locking position of the locking block. When the trigger handle triggers contact switch 2, the position of the locking block is not fully returned to its original position. At this time, the rotation of the drive disk will be stuck by the locking block. At this time, the cup cover shell can be rotated to allow the locking block to fully return to its original position.

[0012] As a preferred embodiment, a support ring plate is provided above the inner cover, and a mounting platform extending into the inner cavity of the inner cover is provided in the middle of the support ring plate. The rotating shaft, drive motor and contact switch are fixed on the mounting platform, and the support ring plate is connected to the cup cover shell to facilitate the installation of the drive disk and locking block.

[0013] As a preferred embodiment, a snap-in flange is provided on the outer side of the top of the support ring plate, a snap-in groove matching the snap-in flange is provided on the top of the cup cover shell, a cover plate is snap-fitted to the top of the cup cover shell, a fingerprint recognition module connected to the drive motor is provided on the cover plate, which is convenient for installing the fingerprint recognition module, and the cover plate can limit the top of the support ring plate.

[0014] As a preferred embodiment, a plurality of snap-in ribs are provided in the snap-in groove, and a plurality of snap-in slots cooperating with the snap-in ribs are provided on the snap-in flange, so as to facilitate connecting the support ring plate and the cup cover shell into a whole.

[0015] As a preferred embodiment, a supporting flange is provided on the outer top of the inner cover, a supporting ring platform matching with the supporting flange is provided on the inner hole wall of the cup cover shell, and a sealing ring is provided on the side wall where the supporting flange and the supporting ring platform match, so as to better seal and prevent leakage.

[0016] As a preferred embodiment, the middle of the support ring plate is rotatably installed in the middle of the bottom of the inner cover inner cavity through a pin shaft, so that the support ring plate rotates more smoothly, and a sealing gasket is provided on the outer side of the bottom of the inner cover to achieve a better sealing effect.

[0017] The utility model has the following beneficial effects:

[0018] The tongue locking mechanism adopts a ratchet-like form. During the process of locking the cup lid, the tongue is pushed out by the rotation of the driving disk and tightly combines with the clamping part, enabling the cup lid to be screwed on normally. When disengaging, only by rotating the driving disk in the reverse direction can the tongue disengage from the clamping part, with smoother cooperation and prevention of jamming. Brief Description of the Drawings

[0019] Figure 1 is a schematic external three-dimensional structure diagram of the present utility model;

[0020] Figure 2 is a schematic external bottom view structure diagram of the present utility model;

[0021] Figure 3 is a schematic internal sectional structure diagram of the present utility model;

[0022] Figure 4 is a schematic three-dimensional installation structure diagram of the locking block;

[0023] Figure 5 is a schematic three-dimensional structure diagram of the inner lid;

[0024] In the figures: 1. Cup lid outer shell, 2. Cover plate, 3. Inner lid, 4. Sealing gasket, 5. Fingerprint recognition module, 6. Support ring plate, 7. Driving motor, 8. Driving disk, 9. Pin shaft, 10. Contact switch II, 11. Locking block, 12. Sealing ring, 13. Clamping flanging, 14. Support flanging, 15. Clamping part, 16. Installation platform, 17. Contact switch I, 18. Dialing plate, 19. Tongue, 20. Avoidance opening, 21. Reset torsion spring, 22. Trigger handle. Detailed Description of the Preferred Embodiment

[0025] The present utility model will be further described below in conjunction with the embodiments.

[0026] Embodiment 1, as Figures 1 to 5 shown, the present utility model is a locking mechanism for a thermos cup lid, including a cup lid outer shell 1 and an inner lid 3 that is rotatably connected to the cup lid outer shell 1 and threadedly connected to the inner hole of the cup body. The inner lid 3 is a hollow structure, the bottom of the inner lid 3 is closed, ratchet teeth 15 are provided on the side wall of the inner cavity of the inner lid 3, a rotatable locking block 11 is provided in the inner cavity of the inner lid 3, a tongue 19 that cooperates with the ratchet teeth 15 is provided on the locking block 11, an elastic torsion member that makes the tongue 19 of the locking block 11 stick to the ratchet teeth 15 under normal conditions is provided on the locking block 11, and a driving disk 8 that limits and blocks the locking block 11 and releases the blockage of the locking block is also provided in the inner cavity of the inner lid 3.

[0027] In the process of locking the cup cover, the locking block 11 is ejected by the torsion of the elastic torsion member, and the locking tongue is tightly combined with the locking tooth. At this time, the cup cover shell 1 is rotated forward, and the cup cover shell 1 cooperates with the locking tongue and the locking tooth to drive the inner cover to rotate, so that the cup cover can be tightened normally. When loosening the cup cover, the cup cover shell needs to be rotated in the opposite direction. Due to the structural setting of the ratchet 15 and the locking tongue, the locking tongue will rebound and rotate relative to the ratchet 15 when rotated in the opposite direction, so the driving disk 8 needs to be rotated so that the driving disk limits the rebound space of the locking block, so that the locking tongue presses against the ratchet 15, and the cup cover can be loosened in the opposite direction normally.

[0028] Embodiment 2, based on embodiment 1, the elastic torsion member is a reset torsion spring 21 arranged on the rotating shaft of the locking block 11.

[0029] The driving disk 8 is connected to the driving motor 7, and an arc-shaped avoidance opening 20 is provided on the outer periphery of the driving disk 8. When the locking block 11 is rotated and retracted into the avoidance opening 20, the locking tongue 19 is disengaged from the ratchet 15. When the cup cover shell 1 is rotated in the opposite direction, the ratchet 15 and the locking tongue 19 cannot be locked and locked. Therefore, when the locking tongue 19 hits the ratchet 15, it will push the locking block 11 to overcome the elastic force of the reset torsion spring 21 and return to the avoidance opening 20. At this time, the locking tongue 19 is disengaged from the ratchet 15, and the cup cover cannot be loosened.

[0030] A circular arc-shaped toggle plate 18 is fixed on the top of the driving disk 8. The toggle plate 18 is eccentrically arranged with the driving disk 8. A contact switch 17 triggered by the toggle plate 18 is arranged next to the driving disk 8. The contact switch 17 is connected to the driving motor 7.

[0031] A trigger handle 22 is fixed to one end of the locking block 11 away from the locking tongue 19 , and a contact switch 2 10 is provided on the outer side of the trigger handle 22 . The contact switch 2 10 is connected to the driving motor 7 .

[0032] A support ring plate 6 is provided above the inner cover 3, and a mounting platform 16 extending into the inner cavity of the inner cover 3 is provided in the middle of the support ring plate 6. The rotating shaft, the drive motor 7, and the contact switch 10 are fixed on the mounting platform 16, and the support ring plate 6 is connected to the cup cover shell 1.

[0033] The top outer side of the support ring plate 6 is provided with a snap-on flange 13, the top of the cup cover shell 1 is provided with a snap-on groove matched with the snap-on flange 13, the top of the cup cover shell 1 is snap-on with a cover plate 2, and the cover plate 2 is provided with a fingerprint recognition module 5 connected to the drive motor 7. The fingerprint recognition module 5 is a prior art and will not be described here. The fingerprint recognition module 5 is connected to a battery, which is arranged on the inner side of the cover plate 2, and the battery is connected to the drive motor 7. When the cup cover shell 1 is rotated, the cover plate 2 and the support ring plate 6 are driven to rotate together, and the inner cover 3 is driven to rotate through the lock tongue 19 matched with the ratchet 15 provided on the locking block 11.

[0034] The snap-in groove is provided with a plurality of snap-in ribs, and the snap-in flanging 13 is provided with a plurality of snap-in slots that cooperate with the snap-in ribs.

[0035] The outer top of the inner cover 3 is provided with a supporting flanging 14, the inner hole wall of the cup cover housing 1 is provided with a supporting ring platform that cooperates with the supporting flanging 14, and a sealing ring 12 is provided on the side wall where the supporting flanging 14 and the supporting ring platform cooperate.

[0036] The middle of the supporting ring plate 6 is rotatably installed at the middle of the bottom of the inner cavity of the inner cover 3 through a pin shaft 9, and a sealing gasket 4 is provided on the outer side of the bottom of the inner cover 3.

[0037] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0038] In the description of the present invention, the orientation or positional relationship indicated by the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention rather than requiring the present invention to be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present invention.

Claims

1. A locking mechanism for a thermos cup lid, comprising a cup lid outer shell (1) and an inner lid (3) rotatably connected to the cup lid outer shell (1) and threadedly connected to the inner hole of the cup body, characterized in that: The inner cover (3) is a hollow structure, the bottom of the inner cover (3) is closed, a ratchet (15) is provided on the side wall of the inner cavity of the inner cover (3), a rotatable locking block (11) is provided in the inner cavity of the inner cover (3), a locking tongue (19) cooperating with the ratchet (15) is provided on the locking block (11), an elastic torsion member is provided on the locking block (11) so that the locking tongue (19) of the locking block (11) is normally attached to the ratchet (15), and a limit blocking locking block (11) and a driving disk (8) for releasing the blocking locking block are also provided in the inner cavity of the inner cover (3).

2. The locking mechanism for the thermos cup lid according to claim 1, characterized in that: The elastic torsion member is a return torsion spring (21) arranged on the rotating shaft of the locking block (11).

3. The locking mechanism of the thermos cup lid according to claim 1, characterized in that: The drive disk (8) is connected to a drive motor (7). An arc-shaped avoidance opening (20) is provided on the outer periphery of the drive disk (8). When the locking block (11) is rotated and retracted into the avoidance opening (20), the locking tongue (19) is disengaged from the ratchet (15).

4. The lock mechanism for the thermos cup lid according to claim 3, wherein: A circular arc-shaped toggle plate (18) is fixed on the top of the driving disk (8), and the toggle plate (18) is eccentrically arranged with the driving disk (8). A contact switch (17) activated by the toggle plate (18) is arranged beside the driving disk (8), and the contact switch (17) is connected to the driving motor (7).

5. The locking mechanism for the thermos cup lid according to claim 3 or 4, characterized in that: A trigger handle (22) is fixed to one end of the locking block (11) away from the locking tongue (19), and a second contact switch (10) is arranged on the outer side of the trigger handle (22), and the second contact switch (10) is connected to the driving motor (7).

6. The locking mechanism for the thermos cup lid according to claim 5, characterized in that: A support ring plate (6) is provided above the inner cover (3), a mounting platform (16) extending into the inner cavity of the inner cover (3) is provided in the middle of the support ring plate (6), a rotating shaft, a drive motor (7), and a second contact switch (10) are fixed on the mounting platform (16), and the support ring plate (6) is connected to the cup cover shell (1).

7. The locking mechanism for the thermos cup lid according to claim 6, wherein: A snap-fit flange (13) is provided on the outer side of the top of the support ring plate (6); a snap-fit groove cooperating with the snap-fit flange (13) is provided on the top of the cup cover shell (1); a cover plate (2) is snap-fitted to the top of the cup cover shell (1); and a fingerprint recognition module (5) connected to a drive motor (7) is provided on the cover plate (2).

8. The locking mechanism of the thermos cup lid according to claim 7, characterized in that: A plurality of clamping ribs are arranged in the clamping groove, and a plurality of clamping slots cooperating with the clamping ribs are arranged on the clamping flange (13).

9. The locking mechanism for the thermos cup lid according to claim 1, characterized in that: A supporting flange (14) is provided on the top of the outer side of the inner cover (3), a supporting ring platform cooperating with the supporting flange (14) is provided on the inner hole wall of the cup cover outer shell (1), and a sealing ring (12) is provided on the side wall where the supporting flange (14) and the supporting ring platform cooperate.

10. The locking mechanism for the thermos cup lid according to claim 6, characterized in that: The middle of the support ring plate (6) is rotatably mounted at the middle of the bottom of the inner cavity of the inner cover (3) via a pin shaft (9), and a sealing gasket (4) is provided on the outer side of the bottom of the inner cover (3).

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