Convenient cup lid

Abstract

Provided in the present invention is a convenient cup lid, comprising a lid main body, a seal cap and a locking ring. The lid main body comprises a bottom plate and an annular wall extending upwards along the bottom plate, wherein N clamping-slot openings are symmetrically provided on the annular wall, and an accommodating space formed by the annular wall is internally provided with: N positioning frames, each of which corresponds to a clamping-slot opening; N gears, each of which is correspondingly engaged with a positioning frame; N locking tongues, each of which is correspondingly disposed below a gear, the locking tongue being driven by the corresponding gear, and a push plate being provided on the lower surface of the locking tongue; and N positioning plates, each of which is correspondingly disposed below a locking tongue, a first return spring being provided between the positioning plate and the push plate, and the first return spring ensuring that the locking tongue extends out of the clamping-slot opening in a normal state. N vertical racks are disposed on the lower surface of the seal cap, each rack is provided with a first tooth, and each rack correspondingly meshes with a gear. By means of the locking ring, the seal cap and the lid main body are connected as a whole.

Description

A convenient cup lid Technical Field

[0001] This invention relates to the field of water cup technology, and more specifically, to a convenient cup lid. Background Technology

[0002] Most commercially available water bottles with lids use a screw-on connection structure, where matching threads are set on the lid and the bottle body, and the lid is screwed on to connect to the bottle body. This type of connection requires both hands to screw on, making it impossible to open the lid with one hand.

[0003] With technological advancements, a threadless cup lid has emerged, such as the threadless insulated cup disclosed in CN116115053A. This lid uses a silicone ring at the bottom to deform and seal or unseal the cup opening. However, this lid requires pressure to seal and a certain amount of force to push the connecting parts open, making it inconvenient for one-handed operation. Furthermore, its internal structure is complex and is a single piece after molding, making it impossible to replace or repair the internal components. Summary of the Invention

[0004] This invention proposes a convenient cup lid, which aims to solve the problems of existing cup lids not being able to be easily unlocked with one hand, and the problems of existing cup lids not being able to be quickly disassembled and repaired.

[0005] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:

[0006] A convenient cup lid includes: a lid body, a sealing cap, and a locking ring, wherein: the lid body includes a base plate and an annular wall extending upward along the base plate; N symmetrically arranged slots are provided on the annular wall; within the accommodating space formed by the annular wall are: N positioning brackets, each corresponding to a slot; N gears, each corresponding to a positioning bracket; N locking tongues, each corresponding to a gear and driven by the corresponding gear; a push plate is provided on the lower surface of the locking tongue; and N positioning plates are each located below a locking tongue, with a space between the positioning plates and the push plate. A first return spring ensures that the latch extends out of the slot under normal conditions. The lower surface of the cover has N vertical racks, each with a first tooth, and each rack meshes with a gear. When the cover is pressed down, the first tooth drives the gear to rotate, causing the latch to move inward and exit the lock slot, and the first return spring contracts. When the cover is released from pressure, the first return spring extends, driving the latch to move outward, causing the gear to rotate in the opposite direction, and then pushing the cover upward. A locking ring connects the cover to the cover body as a single unit.

[0007] Preferably, the base plate has a pressure relief hole in the middle; and a pressure relief push rod is provided in the pressure relief hole, the bottom of the pressure relief push rod is provided with a sealing plug to block the pressure relief hole, and a second return spring is sleeved on the pressure relief push rod; the lower part of the cover is provided with a downward-opening positioning groove to match the top of the pressure relief push rod.

[0008] Preferably, the upper surface of the locking tongue is provided with a second tooth, which meshes with the teeth of the gear.

[0009] Preferably, the end of the latch has an outward protrusion to push against the positioning bracket's limit.

[0010] Preferably, a linear slide rail is provided between the positioning frame and the ring wall; the bottom of the latch is connected to the linear slide rail or the bottom of the latch is provided with a matching groove to fit the linear slide rail, and limiting baffles are provided on both sides of each latch.

[0011] Preferably, the outer side of the ring wall is provided with multiple L-shaped grooves; the side wall of the cover extends with a locking edge; the locking ring includes a locking ring wall and a seal with a perforation in the middle formed on the upper surface of the locking ring wall, and the bottom of the locking ring wall is provided with a protrusion that matches the L-shaped grooves; the seal restricts the locking edge of the cover but does not restrict the up and down movement of the cover.

[0012] Preferably, the inner wall of the ring wall is provided with a positioning protrusion, and the side wall of the locking edge is provided with a corresponding positioning slot.

[0013] Preferably, the base plate has an insertion port, the cap has an insertion hole, and a guide tube is provided below the insertion hole, the guide tube being inserted into the insertion port.

[0014] Preferably, the insertion hole is provided with a flip-up insertion tube, which is connected to the guide tube after being flipped up; the upper surface of the cap forms a recessed storage groove, in which the flip-up insertion tube is stored after being flipped down.

[0015] Preferably, the cap also includes a drinking spout, and a corresponding water outlet is provided on the bottom plate of the cap body, with a connecting pipe between the water outlet and the drinking spout.

[0016] By adopting the above technical solution, the convenient cup lid of the present invention can be opened by simply pressing the lid with one hand, without the need for two hands; at the same time, the cup lid of the present invention can be easily disassembled, and each part is convenient for maintenance, replacement or cleaning. Attached Figure Description

[0017] Figure 1 is a schematic diagram of the structure of the first embodiment of the cup lid of the present invention;

[0018] Figure 2 is a structural schematic diagram of the first embodiment of the cup lid of the present invention;

[0019] Figure 3 is a cross-sectional schematic diagram of the embodiment in Figure 1;

[0020] Figure 4 is an exploded view of the embodiment in Figure 1;

[0021] Figure 5 is a schematic diagram of the overall structure of the cup lid and cup body in the embodiment of Figure 1;

[0022] Figure 6 is a partial cross-sectional view of the cup lid and cup body combined as shown in Figure 5;

[0023] Figure 7 is a schematic diagram of the structure of the second embodiment of the cup lid of the present invention;

[0024] Figure 8 is a structural schematic diagram of the second embodiment of the cup lid of the present invention;

[0025] Figure 9 is an exploded view of the embodiment in Figure 7;

[0026] Figure 10 is a cross-sectional view of the embodiment in Figure 7;

[0027] Figure 11 is a cross-sectional view of the flipped straw in Figure 8 after it has been flipped up.

[0028] Figure 12 is a partial cross-sectional view of the cup lid and cup body combined in the second embodiment;

[0029] Figure 13 is a schematic diagram of the overall structure of the cup lid in the fourth embodiment;

[0030] Figure 14 is a schematic diagram of the overall structure of the cup lid in the fourth embodiment;

[0031] Figure 15 is a cross-sectional view of the fourth embodiment;

[0032] Figure 16 is a cross-sectional view of the fourth embodiment. Detailed Implementation

[0033] The technical solution of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0034] First Embodiment

[0035] Referring to Figures 1 and 2, which are schematic diagrams of the structure of the first embodiment of the present invention, the convenient cup lid in this first embodiment includes three parts: a lid body 1, a sealing lid 2, and a locking ring 3.

[0036] Referring to Figures 3 and 4, the cover body 1 includes a base plate 11 and an annular wall 12 extending upward along the base plate 11. An accommodating space with an upper opening is formed between the annular wall 12 and the base plate 11. Two symmetrical slot holes 121 are provided at the lower upper end of the annular wall 12. A pressure relief hole 111 is provided on the base plate 11.

[0037] Two sets of positioning brackets 41 are arranged within the accommodating space. Each positioning bracket 41 has an open slot. The two sets of positioning brackets 41 are on the same straight line and correspond to two slot holes 121. A gear 42 is engaged with each positioning bracket 41. The gear 42 has rotating shafts at both ends, which engage in the slots of the positioning brackets 41, ensuring unobstructed rotation while facilitating the disassembly and separation of the gear and positioning bracket. A locking tongue 43 is provided below each gear 42. As shown in Figure 4, the upper surface of the locking tongue 43 has a second tooth 431, which meshes with the teeth on the gear 42. Rotation of the gear 42 can drive the locking tongue 43 to move forward or retract backward. A push plate 432 is provided on the lower surface of the front end of the locking tongue 43. A positioning plate 44 is provided below each locking tongue 43. A first return spring 45 is provided between the positioning plate 44 and the push plate 432 of the locking tongue 43. Under normal conditions, the first return spring 45 is in the extended state, pushing against the push plate 432, so that the locking tongue 43 remains extended outside the slot hole 121; and under the push of the gear 42, the first return spring 45 retracts, and the locking tongue 43 retracts into the receiving space. The end of the locking tongue 43 is provided with an outward protrusion to push against the limit 433 of the positioning frame 41.

[0038] Referring to Figures 3 and 4, the lower surface of the cover 2 is provided with two sets of vertical racks 21, each rack 21 having two first teeth 211. When the cover 2 is fixed to the cover body 1, the two sets of racks 21 are located between the gear 42 and the annular wall 12, respectively. When the cover 2 is pressed down, the first teeth 211 mesh with the gear 42, pressing the gear 42 down. The gear 42 rotates, driving the latch 43 to move inward and retract into the receiving space. Through the cooperation of the racks in the cover 2, the gears in the cover body 1, and the first return spring 45, the extension and retraction of the latch 43 can be controlled.

[0039] Preferably, a linear slide rail 46 is provided along the two positioning brackets 41. The bottom of the latch 43 is connected to or cooperates with the linear slide rail. The linear slide rail 46 provides bottom support for the positioning brackets 41 and also provides a limit for the latch 43. When ensuring that the latch extends straight out, it provides support force to keep the latch 43 stable and not wobbling. In addition, two limiting baffles 47 can be provided in the accommodating space. The two limiting baffles 47 clamp the latch 43 inside, further ensuring that the latch 43 moves in a straight line without interfering with the movement of the latch 43.

[0040] The locking ring 3 is used to connect the cover 2 and the cover body 1 as a whole. As shown in Figure 4, in this embodiment, a locking edge 22 extends from the side wall of the cover 2. Multiple L-shaped grooves 122 are provided on the outer side of the ring wall 12, and protruding retaining strips 123 are provided in the L-shaped grooves 122. The locking ring 3 includes a locking ring wall 31 and a sealing strip 32 with a perforation in the middle formed on the upper surface of the locking ring wall. The bottom of the locking ring wall 31 is provided with a protrusion 33 that matches the L-shaped groove 122, and a groove 331 is provided in the middle of the protrusion 33. When the locking ring wall 31 is inserted into the L-shaped groove 122 on the outer side of the ring wall 12 and rotated, a slight force can push the retaining strip through, causing the retaining strip 123 to embed in the groove 331, increasing the connection stability. The sealing strip 32 of the locking ring 3 restricts the locking edge 22 of the cover 2 from above without restricting the vertical movement of the cover 2.

[0041] Referring to Figures 1 and 3, a pressure relief push rod 5 is provided in the pressure relief hole 111 of the base plate 11. The bottom of the pressure relief push rod 5 is provided with a sealing plug 51 that blocks the pressure relief hole 111, and a second return spring 52 is sleeved on the pressure relief push rod 5. A downward-opening positioning groove 23 is provided below the cover 2 to match the top of the pressure relief push rod. When the cover 2 is pressed down, the second return spring 52 contracts, and the sealing plug 51 moves down with the pressure relief push rod 5, opening the pressure relief hole 111. Gas enters from the pressure relief hole 111 into the accommodating space of the cover body 1 and between the cover 2. The pressure relief structure in this embodiment is also detachable. The pressure relief push rod 5 includes a top protrusion limit 53 and an annular limit 54 with an opening. The annular limit is engaged below the protrusion limit to restrict the movement of the second return spring; the sealing plug 51 is detachably connected to the bottom of the pressure relief push rod 5. After prolonged use, the structure can be disassembled directly without worrying about mold growth caused by depressurized gas entering. Furthermore, any damaged components can be easily removed and replaced.

[0042] Referring again to Figure 4, a positioning protrusion 124 is provided on the inner wall of the annular wall 12, and a corresponding positioning slot 221 is provided on the side wall of the locking edge 22 of the cover 2. During assembly, quick docking can be easily achieved through the cooperation of the positioning slot 221 and the positioning protrusion 124.

[0043] A sealing strip groove 13 is provided below the slot hole 121 of the ring wall 1, and the groove is filled with a sealing strip to increase the waterproofness of the cup lid.

[0044] Referring to Figures 5 and 6, the convenient cup lid of this invention locks with the locking groove 61 of the cup body 6 by controlling the extension and retraction of the locking tongue. Due to the unique structure of this application, it can be operated with one hand and is user-friendly for users with less strength. In addition, in the structure of this embodiment, components such as gears, return springs, and pressure relief push rods can be disassembled, facilitating cleaning after long-term use or replacement of damaged components.

[0045] Second Embodiment

[0046] Referring to Figures 7-12, the difference between this second embodiment and the first embodiment is that an insertion port 14 is provided on the bottom plate 11 of the cover body 1. A connecting tube 141 protruding into the accommodating space is provided on the insertion port 14. An insertion hole 24 is provided on the cover 2', and a guide tube 25 extends below the insertion hole 24. The guide tube 25 is inserted into the connecting tube 141, and a sealing ring 251 is provided between the guide tube 25 and the flip-up insertion tube 26. When the cover is pressed down, the guide tube 25 moves downward with the cover 2' and passes through the guide tube 25.

[0047] As shown in Figures 10 and 11, a flip-up insert 26 is provided in the insertion hole 24. When the flip-up insert 26 is flipped up, it communicates with the guide tube 25; when the flip-up insert 26 is retracted, it closes the channel with the guide tube 25. As shown in Figures 7 and 8, the upper surface of the cap 2 forms a recessed receiving groove 27, in which the flip-up insert is retracted after being flipped down.

[0048] Third Embodiment

[0049] Unlike other embodiments, this embodiment has an abutment strip on the tooth where the gear contacts the second tooth of the locking tongue. When the cover is pressed down, the abutment strip pushes the second tooth downward while contacting it, thereby causing the locking tongue to move downward. The upper surface of the portion of the locking tongue extending out of the slot hole 121 is provided with several engagement strips, and the upper surface of the corresponding locking groove of the cup body is also provided with corresponding engagement grooves.

[0050] When locked, the bite strip and bite groove increase the tightness of the connection between the lid and the cup body; when the lid is pressed down, the bite strip and bite groove separate, and the locking tongue smoothly exits the locking groove of the cup body.

[0051] Fourth embodiment

[0052] Referring to Figures 13-16, unlike the embodiments described above, the cap 2” is provided with both a direct drinking spout 28 and a flip-up insert 26. A water outlet 112 corresponding to the direct drinking spout 28 is provided on the bottom plate of the cap body, and a connecting pipe 7 is provided between the water outlet 112 and the direct drinking spout 28. A direct drinking cap 29 is provided on the cap 2”. The two end supports of the direct drinking cap 29 are hinged to the upper surface of the cap 2”, enabling rotation.

[0053] As shown in Figure 15, a drinking pad 281 is provided at the drinking spout 28 for easy disassembly, cleaning or replacement.

[0054] The embodiments described above are for illustrative purposes only and are not intended to limit the scope of the invention. All equivalent changes and modifications made to the invention by those skilled in the art should fall within the scope of the appended claims.

Claims

1. A convenient cup lid, characterized in that, include: The cover body, the cap, and the locking ring, including: The cover body includes a base plate and an annular wall extending upward along the base plate; N symmetrical slot holes are formed on the annular wall; the accommodating space formed by the annular wall contains: N positioning frames, each corresponding to one of the aforementioned slot holes; N gears are respectively engaged with one of the positioning frames; N locking tongues are respectively located below one of the gears, and the locking tongues are driven by the corresponding gears; a push plate is provided on the lower surface of the locking tongue; N positioning plates are respectively located below one of the locking tongues, and a first return spring is provided between the positioning plate and the push plate; the first return spring ensures that the locking tongue extends out of the slot hole in the normal state; The lower surface of the cover is provided with N vertical racks, each rack having a first tooth, and each rack meshes with a gear. When the cover is pressed down, the first tooth drives the gear to rotate, which in turn drives the latch to move inward and exit the lock groove, and the first return spring contracts. When the cover is released from pressure, the first return spring extends, which drives the latch to move outward, causing the gear to rotate in the opposite direction, and then pushes the cover upward. The locking ring connects the cover to the cover body as one unit.

2. The convenient cup lid according to claim 1, characterized in that, The base plate has a pressure relief hole in the middle; and a pressure relief push rod is provided in the pressure relief hole. The bottom of the pressure relief push rod is provided with a sealing plug that blocks the pressure relief hole. A second return spring is sleeved on the pressure relief push rod. The lower part of the cover is provided with a downward-opening positioning groove to match the top of the pressure relief push rod.

3. The convenient cup lid according to claim 1, characterized in that, The upper surface of the latch is provided with a second tooth, which meshes with the teeth of the gear.

4. The convenient cup lid according to claim 3, characterized in that, The end of the latch is provided with an outward protrusion to push against the limiting position of the positioning frame.

5. The convenient cup lid according to claim 1, characterized in that, A linear slide rail is provided between the positioning frame and the ring wall; the bottom of the locking tongue is connected to the linear slide rail or the bottom of the locking tongue is provided with a matching groove to fit the linear slide rail, and limiting baffles are provided on both sides of each locking tongue.

6. The convenient cup lid according to claim 1, characterized in that, The outer side of the ring wall is provided with multiple L-shaped grooves; the side wall of the cover extends with a locking edge; the locking ring includes a locking ring wall and a sealing strip with a perforation in the middle formed on the upper surface of the locking ring wall, and the bottom of the locking ring wall is provided with a protrusion that matches the L-shaped grooves; the sealing strip restricts the locking edge of the cover but does not restrict the up and down movement of the cover.

7. The convenient cup lid according to claim 6, characterized in that, The inner wall of the ring wall is provided with a positioning protrusion, and the side wall of the locking edge is provided with a corresponding positioning slot.

8. The convenient cup lid according to claim 1, characterized in that, The base plate is provided with an insertion port, the cover is provided with an insertion hole, and a guide tube is provided below the insertion hole. The guide tube is inserted into the insertion port.

9. The convenient cup lid according to claim 8, characterized in that, The insertion hole is provided with a flip-up insertion tube, which is connected to the guide tube after being flipped up; the upper surface of the cap forms a recessed storage groove, in which the flip-up insertion tube is stored after being flipped down.

10. The convenient cup lid according to claim 1 or 8, characterized in that, The cap further includes a drinking spout, and a corresponding water outlet is provided on the bottom plate of the cap body. A connecting pipe is provided between the water outlet and the drinking spout.

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