Self-locking container lid and container

Abstract

The present invention relates to a self-locking container lid, comprising a lid body provided with a direct drinking water outlet, a movable lid hingedly connected to the lid body, and a locking structure provided between the movable lid and the lid body; the locking structure is characterized in that: the locking structure includes a locking button, an elastic member, and a locking port; the locking button is constrained within the movable lid and can move axially; the elastic member acts on the locking button to maintain its outward movement tendency; the locking port is provided on the lid body; the locking button extends outward to lock with the locking port, and retracts inward to release the locking cooperation with the locking port; the movable lid is further provided with a movable self-locking member; when the lid body is in a horizontal position, the self-locking member is in a yielding position under the action of its own weight, and the locking button can retract inward to unlock; when the lid body is in a tilted position, the self-locking member is in a blocking position under the action of its own weight, and the self-locking member prevents the locking button from retracting inward to unlock. The unlocking button can be self-locked when the lid is tilted or lying on its side. The present invention also relates to a container.

Description

Technical Field

[0001] The present invention relates to a container cover, such as a cup cover, bottle cover or kettle cover, and in particular to a container cover with a self-locking function. The present invention also relates to a container having the container cover, which may be a cup, bottle or kettle. Background Art

[0002] A cup lid is a type of container lid. To accommodate diverse drinking habits, water cups are typically equipped with a drinking spout and straw. The drinking spout allows for drinking without removing the lid. The spout is connected to the straw and features a recessed groove at the top of the lid for accommodating the spout. A movable cover is located above the spout, hinged at one end to the lid and snap-fitted at the other. To use the cup, the movable cover must be opened, and the spout erected before the flexible tube is connected. After repeated bending, the flexible tube may fail to automatically retract, requiring manual manipulation of the spout to erect it. This is inconvenient and unsanitary. Furthermore, to accommodate diverse drinking habits, the lid requires a water outlet and a second movable cover, hinged at one end to the lid and snap-fitted at the other. This can easily cause the second movable cover to open due to accidental contact, leading to a risk of leaks and poor safety. For example, the Chinese utility model patent "A cup lid and a cup" with patent number ZL202022222964.4 (publication number CN212788178U) discloses such a structure.

[0003] To address this issue, some have incorporated a locking mechanism between the movable lid and the cup cover. Pressing an unlock button allows the movable lid to be easily opened. However, if a cup with this type of lid is placed in a briefcase and tipped over, the unlock button can be accidentally triggered by hard objects inside the bag, causing the movable lid to open and leak. For example, Chinese utility model patent No. ZL202120251656.6 (publication No. CN214156944U), "A Button-Type Double-Spout Cup Lid and Cup," discloses such a mechanism.

[0004] To increase safety, some devices have a self-locking switch on the unlock button. After turning the self-locking switch, the unlock button cannot be pressed to avoid accidental triggering. When the self-locking switch is turned back, it can be used normally. However, users often forget to turn the self-locking switch, resulting in self-locking failure, and the operation is inconvenient.

[0005] For this reason, the existing cup cover can be further improved. Summary of the Invention

[0006] The first technical problem to be solved by the present invention is to provide a self-locking container lid with a reasonable structural design and the ability to self-lock an unlocking button in a tilted or sideways state in response to the above-mentioned existing technical status.

[0007] The technical solution adopted by the present invention to solve the above-mentioned first technical problem is: a self-locking container lid, comprising a lid body provided with a direct drinking water outlet, a movable cover hingedly connected to the lid body for covering the direct drinking water outlet, and a locking structure being provided between the movable lid and the lid body; it is characterized in that: the locking structure comprises a locking button, an elastic member and a locking port, the locking button is constrained to be able to move axially in the movable lid, the elastic member acts on the locking button to keep it moving outward, the locking port is provided on the lid body, the locking button extends outward and locks with the locking port, and the locking button retracts inward to release the locking cooperation with the locking port; a movable self-locking member is also provided in the movable lid; when the lid body is in a horizontal position, the self-locking member is in a yielding position under the action of its own gravity, and the locking button can retract inward to be unlocked; when the lid body is in a tilted position, the self-locking member is in a blocking position under the action of its own gravity, and the self-locking member prevents the locking button from retracting inward to be unlocked.

[0008] Preferably, the self-locking member is a ball or a roller, which is easy to roll and can quickly move to the yielding position or the blocking position under its own weight.

[0009] In a further improvement, the locking button has a concave cavity at its inner end, and the movable cover has a convex portion therein. The convex portion is inserted into the concave cavity, and the two can move axially relative to each other. The self-locking element is disposed within the concave cavity. The engagement of the convex portion and the concave cavity constrains the movement of the locking button, and the concave cavity facilitates the placement of the self-locking element and prevents it from escaping.

[0010] As a preferred form of yielding, the convex portion is provided with a yielding groove, which constitutes a yielding position. When the cover is in a horizontal position, the self-locking member is aligned with the yielding groove, and the yielding groove allows the self-locking member to enter when it moves backward. When the cover is in a tilted position, the self-locking member is misaligned with the yielding groove, and the front end of the convex portion prevents the self-locking member from moving backward. When the self-locking member is aligned with the yielding groove, pressing the locking button to move backward in the unlocking direction will cause the self-locking member to move backward as well. The yielding groove provides space for the self-locking member to move backward, and thus will not prevent the locking button from moving backward in the unlocking direction. When the self-locking member is misaligned with the yielding groove, the self-locking member will be blocked between the front end of the convex portion and the inner top wall of the concave cavity, preventing the locking button from moving backward in the unlocking direction.

[0011] In order to prevent the self-locking part from not automatically coming out after entering the give way groove, resulting in self-locking failure, further improvements are made. An elastic column made of flexible material is provided in the above-mentioned give way groove. When the locking button is not moved inward by external force, the elastic column prevents the self-locking part from sliding into the give way groove. When the cover body is in a horizontal position and the locking button is moved inward by external force, the self-locking part moves backward and squeezes the elastic column so that the self-locking part can enter the give way groove. After the external force acting on the self-locking part disappears, the elastic column pops the self-locking part out of the give way groove.

[0012] As a further improvement, the inner top wall of the cavity has a recessed, inwardly shaped, retaining recess for the self-locking element, located directly in front of the clearance slot. The retaining recess serves to reset the self-locking element, ensuring that when the cover is horizontal, the self-locking element is aligned with the clearance slot, and inward movement of the locking button drives the self-locking element into the clearance slot to clear the position.

[0013] As another kind of giving way structure, a giving way recess is provided on the inner peripheral wall of the above-mentioned cavity, and the giving way recess constitutes a giving way position. When the cover body is in a horizontal position, the self-locking part slides into the giving way recess under the action of its own gravity, and when the locking button moves inward due to external force, the convex part passes over the locking button to move relative to the cavity; when the cover body is in a tilted position, the self-locking part slides out of the giving way recess under the action of its own gravity, and the front end of the convex part blocks the self-locking part from moving backward.

[0014] As an improvement, the movable cover includes a cover plate and a plug fixed below the cover plate. The locking button, elastic member, and self-locking member are all located on the plug body. A sealing gasket is provided at the bottom of the plug body. When the cover plate is located on the direct drinking water outlet, the plug body enters the direct drinking water outlet to form a seal. The plug body can be inserted into the direct drinking water outlet to better seal it, and the plug body provides a suitable installation position for various components.

[0015] As an improvement, the outer end of the cover plate has a vertical wall extending downward, with a gap between the vertical wall and the plug body. The front end of the locking button extends out of the vertical wall to facilitate pressing. The bottom of the locking button has a downwardly extending L-shaped lock catch. The lock opening is provided on the inner hole wall of the direct drinking water outlet. When the cover plate is covered on the direct drinking water outlet, the hole wall of the direct drinking water outlet enters the gap, and the lock catch moves outward under the action of the elastic member and snaps into the lock opening. The vertical wall provides a position for the locking button to pass through and also serves a decorative purpose. The lock hole at the bottom of the locking button cooperates with the lock opening on the inner hole wall of the direct drinking water outlet to achieve locking of the movable cover plate.

[0016] Compared with the prior art, the advantages of this self-locking container lid are that the movable lid has a self-locking function. When the lid body is in a horizontal position (the position of the lid body when the container lid is placed on the container and placed upright), the self-locking part is in a yielding position under the action of its own gravity, and the locking button can retract and unlock, that is, the user presses the locking button to unlock and open the movable lid to drink water through the direct drinking water spout; if the lid body is in a tilted position (the position of the lid body when the container lid is placed on the container and the container is tilted compared to the ground), the self-locking part is in a blocking position under the action of its own gravity, and the self-locking part prevents the locking button from retracting and unlocking, that is, external force cannot press the locking button to unlock, and the movable lid always keeps covering the direct drinking water spout to avoid accidental triggering and water leakage.

[0017] The second technical problem to be solved by the present invention is to provide a container with a reasonable structural design and the ability to self-lock the unlocking button in a tilted or sideways state in response to the above-mentioned existing technical status.

[0018] The technical solution adopted by the present invention to solve the above - mentioned second technical problem is as follows: A container includes a cup body having a cup mouth, and is characterized in that: it further includes the aforementioned container lid, and the lid body is threadedly connected to the cup mouth.

[0019] Compared with the prior art, the advantages of this container are as follows: This container is a specific application of the aforementioned container lid. Of course, the lid body and the cup mouth can also be snap - connected, or hinged, or rotatably clamped. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Stereo structural schematic diagram of the first embodiment of the container lid (the movable lid is in the closed and locked state);

[0021] Figure 2 Cross - sectional view of the first embodiment of the container lid (the movable lid is in the open state);

[0022] Figure 3 Cross - sectional view of the first embodiment of the container lid (the movable lid is in the closed and locked state);

[0023] Figure 4 Cross - sectional view of the first embodiment of the container lid (the movable lid is in the closed and unlocked state);

[0024] Figure 5 Cross - sectional view of the first embodiment of the container lid (the lid body is tilted and the movable lid is in the self - locking state);

[0025] Figure 6 Stereo exploded view of the first embodiment of the container lid;

[0026] Figure 7 Stereo structural schematic diagram of the movable lid part in the first embodiment of the container lid;

[0027] Figure 8 Stereo schematic diagram of the plug body in the first embodiment of the container lid;

[0028] Figure 9 Stereo schematic diagram of the locking button in the first embodiment of the container lid;

[0029] Figure 10 Stereo structural schematic diagram of the second embodiment of the container lid (the movable lid is in the closed and locked state);

[0030] Figure 11 Schematic diagram of the container embodiment. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] The present invention will be further described in detail below in conjunction with the embodiments of the drawings.

[0032] As Figures 1 to 9Shown is a preferred embodiment of the container cover.

[0033] A self-locking container cover comprises a cover body 1 provided with a direct drinking water outlet 11, a movable cover 2 hingedly connected to the cover body 1 for covering the direct drinking water outlet 11, and a locking structure provided between the movable cover 2 and the cover body 1.

[0034] The locking structure includes a locking button 3, an elastic member 4 and a lock port 111. The locking button 3 is constrained to move axially in the movable cover 2. The elastic member 4 acts on the locking button 3 to keep it moving outward. The lock port 111 is provided on the cover body 1. The locking button 3 extends outward and locks with the lock port 111, and the locking button 3 retracts inward to release the locking cooperation with the lock port 111. A movable self-locking member 5 is also provided in the movable cover 2. When the cover body 1 is in a horizontal position, the self-locking member 5 is in a yielding position under the action of its own gravity, and the locking button 3 can retract inward to unlock. When the cover body 1 is in a tilted position, the self-locking member 5 is in a blocking position under the action of its own gravity, and the self-locking member 5 prevents the locking button 3 from retracting inward to unlock.

[0035] In this embodiment, the self-locking element 5 is a ball bearing. The inner end of the locking button 3 has a cavity 31, and the movable cover 2 has a protrusion 221. The protrusion 221 is inserted into the cavity 31, and the two can move axially relative to each other. The self-locking element 5 is disposed within the cavity 31. The protrusion 221 has a clearance groove 222, which forms a clearance position. When the cover 1 is in the horizontal position, the self-locking element 5 is aligned with the clearance groove 222, allowing the self-locking element 5 to move backward. When the cover 1 is in the tilted position, the self-locking element 5 is misaligned with the clearance groove 222, and the front end of the protrusion 221 prevents the self-locking element 5 from moving backward.

[0036] An elastic column 6 made of a flexible material is provided in the clearance groove 222. When the locking button 3 is not moved inward by external force, the elastic column 6 prevents the self-locking part 5 from sliding into the clearance groove 222. When the cover body 1 is in a horizontal position and the locking button 3 is moved inward by external force, the self-locking part 5 moves backward and squeezes the elastic column 6 so that the self-locking part 5 can enter the clearance groove 222. After the external force acting on the self-locking part 5 disappears, the elastic column 6 pops the self-locking part 5 out of the clearance groove 222.

[0037] The inner top wall of the cavity 31 has an inwardly concave limiting pit 311 for the self-locking member 5 to sink into. The limiting pit 311 is located right in front of the clearance groove 211.

[0038] The movable cover 2 includes a cover plate 21 and a plug body 22 fixed under the cover plate 21. The plug body 22 is fixed to the bottom surface of the cover plate 21 by screws. The locking button 3, the elastic member 4 and the self-locking member 5 are all arranged on the plug body 22. A sealing gasket 7 is provided at the bottom of the plug body 22. When the cover plate 21 is covered on the direct drinking water outlet 11, the plug body 22 enters the direct drinking water outlet 11 to form a seal.

[0039] The outer end of the cover plate 21 has a vertical wall 211 extending downward, and there is a gap X between the vertical wall 211 and the plug body 22. The front end of the locking button 3 extends out of the vertical wall 211 to facilitate pressing. The bottom of the locking button 3 has a lock buckle 32 extending downward in an L shape. The lock port 111 is arranged on the inner hole wall of the direct drinking water outlet 11. When the cover plate 21 is covered on the direct drinking water outlet 11, the hole wall of the direct drinking water outlet 11 enters the gap X, and the lock buckle 32 moves outward under the action of the elastic member 4 and is stuck in the lock port 111.

[0040] The working principle and process of this container cover are as follows:

[0041] Normal use status, such as Figure 3 、 4 As shown, the position of the cover body 1 when the container cover is placed on the container and placed upright, at this time, the self-locking member 5 is in the yield position under the action of its own gravity, and the self-locking member 5 is aligned with the yield groove 222, and the yield groove 222 is for the self-locking member 5 that moves backward to enter. In this state, the unlocking button 3 is pressed, and the self-locking member 5 moves backward with the unlocking button 3. The self-locking member 5 squeezes the elastic column 6 so that the self-locking member 5 can enter the yield groove 222. The self-locking member 5 will not prevent the unlocking button 3 from moving backward in the unlocking direction. The lock buckle 32 disengages from the lock port 111, and the movable cover 2 can be flipped to open the direct drinking water outlet 11 for the user to use. After the external force acting on the unlocking button 3 disappears, the elastic column 6 pops the self-locking member 5 out of the yield groove 222.

[0042] When tilt occurs, Figure 5 As shown, the cover body 1 is in the tilted position, with the container cover placed on the container, and the container is tilted compared to the ground. At this time, the self-locking member 5 is in the blocking position under the action of its own gravity, and the self-locking member 5 is misaligned with the makeshift groove 222. The front end of the protrusion 221 prevents the self-locking member 5 from moving backward. The self-locking member 5 has no space to move backward. The self-locking member 5 prevents the locking button 3 from retracting and unlocking, that is, the locking button 3 cannot be pressed by external force to unlock, and the movable cover 2 always covers the direct drinking water outlet 11 to avoid accidental triggering and water leakage.

[0043] like Figure 10 FIG. 2 shows a second embodiment of a container cover according to the present invention.

[0044] The difference between this embodiment and the first embodiment is that a yield recess 312 is provided on the inner peripheral wall of the concave cavity 31, and the yield recess 312 constitutes a yield position. When the cover body 1 is in a horizontal position, the self-locking member 5 slides into the yield recess 312 under the action of its own weight. When the locking button 3 moves inward due to an external force, the protrusion 221 passes over the locking button 3 to move relative to the concave cavity 31; when the cover body 1 is in a tilted position, the self-locking member 5 slides out of the yield recess 312 under the action of its own weight, and the front end of the protrusion 221 blocks the self-locking member 3 from moving backward.

[0045] like Figure 11As shown, it is a preferred embodiment of the container.

[0046] A container includes a cup body 8 with a cup mouth, and also includes the container lid of the foregoing embodiment. The lid body 1 is threadedly connected to the cup mouth 81.

[0047] It should be noted that in the description of this embodiment, the orientation or positional relationship indicated by terms such as "front, back", "left, right", "inside, outside", "up, down", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. The terms "installed", "connected", and "linked" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly linked, or indirectly linked through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A self-locking container lid, comprising a lid body (1) provided with a direct drinking water port (11) thereon, an activity lid (2) hinged on the lid body (1) for covering the direct drinking water port (11), and a locking structure is arranged between the activity lid (2) and the lid body (1); characterized in that: The locking structure comprises a locking button (3), an elastic member (4) and a locking port (111); the locking button (3) is constrained in the movable cover (2) to be able to move axially; the elastic member (4) acts on the locking button (3) to keep it moving outward; the locking port (111) is provided on the cover body (1); the locking button (3) extends outward to lock with the locking port (111); the locking button (3) retracts inward to release the locking cooperation with the locking port (111); a movable self-locking member (5) is further provided in the movable cover (2); when the cover body (1) is in a horizontal position, the self-locking member (5) is in a yielding position under the action of its own gravity, and the locking button (3) can retract inward to be unlocked; When the cover body (1) is in the tilted position, the self-locking member (5) is in the blocking position under the action of its own weight, and the self-locking member (5) prevents the locking button (3) from retracting and unlocking; The self-locking member (5) is a ball or a roller; The inner end of the locking button (3) has a concave cavity (31), the movable cover (2) has a convex portion (221), the convex portion (221) is inserted into the concave cavity (31), and the two can move relative to each other axially, and the self-locking member (5) is arranged in the concave cavity (31); The convex portion (221) is provided with a clearance groove (222), and the clearance groove (222) constitutes a clearance position. When the cover body (1) is in a horizontal position, the self-locking member (5) is aligned with the clearance groove (222), and the clearance groove (222) allows the self-locking member (5) to move backward to enter; when the cover body (1) is in a tilted position, the self-locking member (5) is misaligned with the clearance groove (222), and the front end of the convex portion (221) prevents the self-locking member (5) from moving backward.

2. The self-locking container lid according to claim 1, wherein: An elastic column (6) made of a flexible material is provided in the clearance groove (222). When the locking button (3) is not moved inward by an external force, the elastic column (6) prevents the self-locking part (5) from sliding into the clearance groove (222). When the cover (1) is in a horizontal position and the locking button (3) is moved inward by an external force, the self-locking part (5) then moves backward to squeeze the elastic column (6) so that the self-locking part (5) can enter the clearance groove (222). After the external force acting on the self-locking part (5) disappears, the elastic column (6) pops the self-locking part (5) out of the clearance groove (222).

3. The self-locking container lid according to claim 1, characterized in that: The inner top wall of the cavity (31) has an inwardly concave limiting pit (311) for the self-locking member (5) to sink into, and the limiting pit (311) is located right in front of the clearance groove (222).

4. The self-locking container lid according to claim 1, wherein: The movable cover (2) comprises a cover plate (21) and a plug body (22) fixed below the cover plate (21); the locking button (3), the elastic member (4) and the self-locking member (5) are all arranged on the plug body (22); a sealing gasket (7) is provided at the bottom of the plug body (22); when the cover plate (21) is covered on the direct drinking water outlet (11), the plug body (22) enters the direct drinking water outlet (11) to form a seal.

5. The self-locking container lid according to claim 4, wherein: The outer end of the cover plate (21) has a vertical wall (211) extending downward. There is a gap (X) between the vertical wall (211) and the plug body (22). The front end of the locking button (3) extends out of the vertical wall (211) for easy pressing. The bottom of the locking button (3) has a lock catch (32) extending downward in an L shape. The lock opening (111) is provided on the inner hole wall of the direct drinking water port (11). When the cover plate (21) covers the direct drinking water port (11), the hole wall of the direct drinking water port (11) enters the gap (X). The lock catch (32) moves outward under the action of the elastic member (4) and is snapped into the lock opening (111).

6. A self-locking container lid, comprising a lid body (1) provided with a direct drinking water port (11) thereon, an activity lid (2) hinged on the lid body (1) for covering the direct drinking water port (11), and a locking structure is arranged between the activity lid (2) and the lid body (1); characterized in that: The locking structure includes a locking button (3), an elastic member (4), and a lock opening (111). The locking button (3) is constrained in the movable cover (2) and can move axially. The elastic member (4) acts on the locking button (3) to keep it in a tendency to move outward. The lock opening (111) is provided on the cover body (1). The outer extension of the locking button (3) is in locking cooperation with the lock opening (111). The inward retraction of the locking button (3) releases the locking cooperation with the lock opening (111). A movable self-locking member (5) is also provided in the movable cover (2). When the cover body (1) is in a horizontal position, the self-locking member (5) is in a yielding position under the action of its own gravity, and the locking button (3) can be retracted to unlock. When the cover body (1) is in a tilted position, the self-locking member (5) is in a blocking position under the action of its own gravity, and the self-locking member (5) prevents the locking button (3) from being retracted to unlock. The self-locking member (5) is a ball or a roller. The inner end of the locking button (3) has a concave cavity (31). There is a convex portion (221) in the movable cover (2). The convex portion (221) is inserted into the concave cavity (31) and the two can move relative to each other axially. The self-locking member (5) is provided in the concave cavity (31). A yielding concave portion (312) is provided on the inner peripheral wall of the concave cavity (31). The yielding concave portion (312) constitutes a yielding position. When the cover body (1) is in a horizontal position, the self-locking member (5) slides into the yielding concave portion (312) under the action of its own gravity. When the locking button (3) is moved inward by an external force, the convex portion (221) moves over the locking button (3) to move relative to the concave cavity (31). When the cover body (1) is in a tilted position, the self-locking member (5) slides out of the yielding concave portion (312) under the action of its own gravity, and the front end of the convex portion (221) blocks the backward movement of the self-locking member (3).

7. A container, comprising a cup body (8) having a cup mouth (81), characterized in that: It also includes a container cover as described in any one of claims 1 to 6, and the cover body (1) is threadedly connected to the cup mouth (81).

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