A cup lid structure and a cup

Abstract

This utility model discloses a cup lid structure and a cup, relating to the field of cup technology. It includes a lid base with an assembly interface and a drinking spout at each end. An inner frame for opening and closing the drinking spout is hinged to the lid base. An outer lid is horizontally slidably mounted on the inner frame. A lever is coaxially rotatably mounted on the end face of the outer lid facing the inner frame. The lever can swing around its point of rotation, allowing it to have a free state that can slide on the inner frame and a locked state that abuts against it. This utility model achieves a reliable opening and closing mechanism through the sliding hinge design of the inner frame and outer lid, combined with the interaction of the lever and the latch. Users can easily switch between the locked and free states by operating the lever, thereby controlling the sliding of the outer lid and the rotation of the inner frame. This design makes opening the lid smooth, and when closing, the latch ensures a tight lock, preventing accidental opening and improving safety and convenience.

Description

Technical Field

[0001] This utility model relates to the field of cup technology, specifically to a cup lid structure and a cup. Background Technology

[0002] Currently, there are various ways to open water cup lids on the market, such as screw-on lids and push-to-open lids.

[0003] Taking a flip-top design as an example, patent document CN222942101U discloses a flip-top water cup. The cup lid uses a flip-top structure and includes a cup body with a spout at one end and a sealing seat at the spout. A drinking mechanism is mounted on the sealing seat, and an opening / closing assembly is movably fitted around it and fixed by a middle frame. A dust cover is hinged to one side of the middle frame via a pivot. A V-shaped control valve is installed inside the sealing seat, which remains normally closed without external force. A button is located on one side of the middle frame near the pivot, with a built-in button connected to the opening / closing assembly. The dust cover and the opening / closing assembly are engaged via a snap-fit ​​structure. When the button is pressed, the opening / closing assembly is driven to push against the control valve, opening it and simultaneously releasing the dust cover from its lock.

[0004] Compared to the inconvenience of screw-on caps, push-button flip caps offer advantages such as quick one-handed opening, but they also have drawbacks. For example, because the opening button is exposed and can be triggered by pressing radially along the cup, this design makes it easy for the button to be accidentally pressed while carrying or moving the cup, causing the lid to open unintentionally and spilling liquid, thus affecting ease of use. Utility Model Content

[0005] The purpose of this utility model is to solve the problems in the prior art by proposing a cup lid structure. Compared with the pressing opening method in the prior art, the radial sliding + arc sliding combined opening method of this application can accurately distinguish between the opening action and the accidental opening action, and avoid the problem that the cup lid is easily opened unexpectedly due to accidental contact during the carrying or moving of the cup.

[0006] To solve the above problems, this utility model provides the following technical solution: A cup lid structure includes a lid base with an assembly interface and a drinking spout at its two ends, and an inner frame for opening and closing the drinking spout is movably hinged on the lid base. An outer cover is horizontally slidably mounted on the inner frame. A lever is coaxially rotatably mounted on the end face of the outer cover facing the inner frame. The lever can swing around its rotation point as the center, so that the lever has a free state that can slide on the inner frame and a locked state that can abut against the inner frame. Both the cover and the outer cover are equipped with latches at their near ends, and the two latches are arranged vertically. The near ends of the two latches are provided with abutting surfaces so that the outer cover is latched and locked when the abutting surfaces of the two latches are in vertical contact. When the lever is in the free state, the outer cover can slide on the inner frame until the contact surfaces of the two latches disengage, and the inner frame rotates to open the cover; when the lever is in the locked state, the outer cover is stopped by the inner frame, and the upper and lower contact state of the two latches is maintained.

[0007] As a further aspect of this utility model: the sliding direction of the outer cover on the inner frame is perpendicular to the rotation axis of the inner frame.

[0008] As a further embodiment of this utility model: the inner frame has a first slot for the lever to pass through. The cavity of the first slot has a space allowance for the lever to rotate. One of the two sides of the lever is in left or right contact with the two inner end walls of the first slot, so that when the outer cover slides on the inner frame, either side of the lever is in contact with the inner end wall of the first slot. A protrusion is provided on either side of the lever so that when the side with the protrusion abuts against the inner end wall of the first slot in a left or right position, the protrusion interacts in the movement path of the lever and abuts against the inner frame.

[0009] As a further embodiment of this utility model: the outer cover has a second slot for the lever to pass through, the cavity of the second slot has space allowance for the lever to rotate, the outer cover also has an arc-shaped groove connected to the second slot, and the shape of the arc-shaped groove is coaxial with the rotation trajectory of the lever, the end of the lever is provided with an operating piece located in the arc-shaped groove, and the lever can rotate by sliding the operating piece in the arc-shaped groove.

[0010] As a further embodiment of this utility model: a transition block is fixedly provided at the end face of the outer cover facing the inner frame. The transition block has a column portion coaxially arranged with the outer cover. The lever is rotatably sleeved on the column portion. The transition block also has an extension portion integrally formed with the column portion. The lever is provided with a through groove for accommodating the extension portion. A stop bar that abuts against the extension portion is provided in the through groove. The middle part of the stop bar facing the extension portion is designed to be protruding, so that the side of the stop bar facing the extension portion is divided into a left-position accommodating area and a right-position accommodating area with the middle part as the boundary. When one of the two sides of the lever abuts against the two inner end walls of the first slot hole in a left-position or right-position abutting position, the extension portion abuts against the left-position accommodating area or the right-position accommodating area.

[0011] As a further embodiment of this utility model: a U-shaped seat is fixedly provided at the middle position of the inner frame, and the extension is movably inserted into the groove of the U-shaped seat, and its direction of movement is the same as the sliding direction of the outer cover.

[0012] As a further embodiment of this utility model: the U-shaped seat is provided with an elastic element that abuts against the extension, and the elastic element has a tendency to move the extension out of the slot.

[0013] As a further embodiment of this utility model: guide slopes are provided at the near ends of the two latches, so that when the inner frame drives the outer cover to perform the closing and flipping action, the guide slopes of the latches at the outer cover and the guide slopes of the latches at the cover seat are arranged in an inclined wedge-like state with the upper and lower layout. Relying on the sliding design of the outer cover on the inner frame, the guide slopes at the outer cover are moved back, so as to achieve the upper and lower contact of the two contact surfaces.

[0014] As a further embodiment of this utility model: two sets of sliding strips are fixedly provided on the end face of the outer cover facing the inner frame, and the two sets of sliding strips are respectively located on both sides of the adapter block. Both sets of sliding strips are slidably installed on the inner frame to realize the sliding installation of the outer cover on the inner frame.

[0015] As a further embodiment of this utility model: This utility model also proposes a cup, including the above-mentioned cup lid structure and a cup body that is adapted and connected to the assembly interface in the cup lid structure.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. Through the sliding hinge design of the inner frame and outer lid, combined with the interaction of the lever and the latch, a reliable opening and closing mechanism is achieved. Users can easily switch between the locked and free states by operating the lever, thereby controlling the sliding of the outer lid and the rotation of the inner frame. This design makes the opening action smooth, and when the lid is closed, the abutment surface of the latch ensures a tight lock, preventing accidental opening and improving safety and convenience. Compared with the press-to-open method in the prior art, the radial sliding + arc sliding combination opening method of this application allows for precise differentiation between the opening action and accidental activation, avoiding the problem of the lid opening unexpectedly due to accidental contact during carrying or movement of the cup.

[0017] 2. By defining the sliding direction of the outer cover as perpendicular to the rotation axis of the inner frame, this perpendicular relationship ensures that the sliding action of the outer cover and the rotation action of the inner frame are independent and coordinated, reducing interference between components and ensuring smooth operation and structural stability. Users can more easily perform sliding and rotating actions, improving the overall user experience and reducing the risk of wear or jamming due to misalignment.

[0018] 3. The design of the first slot and protrusion enables precise positioning and locking of the lever on the inner frame. The lever can rotate at a certain angle within the first slot, and the sliding is restricted by the contact between the protrusion and the inner frame, thus ensuring that the outer cover remains locked when needed. This mechanism enhances the reliability of the lid, prevents accidental operation, and makes the opening and closing process controllable. In addition, the protrusion design provides additional mechanical advantages, improving durability and impact resistance.

[0019] 4. The design of the second slot and the arc-shaped groove, combined with the control plate, provides users with an easy-to-operate lever control method. Users can easily switch the lever's state by sliding the control plate within the arc-shaped groove. This design simplifies the operation steps, improves ease of use, and ensures the accuracy and stability of the lever's rotation. The coaxial layout of the arc-shaped groove further optimizes space utilization, making the cup lid structure more compact.

[0020] 5. By adopting a combination design of adapter block, column, extension and stop bar, stable rotation and positioning of the lever are achieved. The left and right position receiving areas on the stop bar ensure the fixed position of the lever in different states, thereby reliably controlling the sliding of the outer cover. This structure improves the durability of the components and the accuracy of operation, and reduces the possibility of wear and failure.

[0021] 6. The U-shaped seat design allows the extension to be stably inserted into the slot and move along the sliding direction. This structure not only enhances the connection strength between the outer cover and the inner frame, ensuring the smoothness and consistency of the sliding action and improving the rigidity and reliability of the overall structure, but also provides additional support to prevent the extension from shifting or deforming during operation.

[0022] 7. By introducing an elastic element, the extension is always pushed out of the U-shaped slot, thus automatically returning to the default position when the outer lid is not under force. This ensures the stable engagement of the two latches. This automatic reset function simplifies user operation, improves ease of use, and ensures a tight lock on the lid when closed, enhancing safety. Simultaneously, the elastic element also acts as a buffer, reducing impact and noise between components; furthermore, it resists external interference, preventing accidental opening.

[0023] 8. By setting a guide ramp on the latch, the wedge engagement and elastic element automatically guide the contact surface into the contact state during the lid closing process, improving ease of use and efficiency. At the same time, the guide ramp also reduces resistance during lid closing, making operation smoother.

[0024] 9. By adopting a slider design, the outer cover can slide smoothly on the inner frame. Two sets of sliders are distributed on both sides of the adapter block, providing balanced support and guidance, reducing friction and jamming, ensuring the stability and smoothness of the outer cover when sliding, and extending the service life of the cup lid.

[0025] 10. Through the design of the torsion spring, when the lid is closed, the torsion spring generates a torsional action. When the lid is unlocked, the outer cover and inner frame will quickly flip to open under the torsional reset action of the torsion spring. That is, when the outer cover is slid to the unlocked state, the outer cover and inner frame will work together to quickly open the lid, which is convenient to use.

[0026] 11. The cup adopts the aforementioned lid structure, thus inheriting all the advantages of the lid structure. This gives the cup a reliable opening and closing mechanism, convenient operation, and stable structural design, improving the user's drinking experience. It is suitable for daily use and various scenarios, such as outdoor activities or office use. Attached Figure Description

[0027] The present invention will be further described below with reference to the accompanying drawings.

[0028] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a front view schematic diagram of the structure of this utility model. Figure 1 ; Figure 3 yes Figure 2 A schematic diagram of the structure viewed in section along line AA. Figure 4 This is a three-dimensional structural diagram of the cover and inner skeleton of this utility model; Figure 5 This is a top view schematic diagram of the cover and inner frame structure of this utility model; Figure 6 This is a schematic diagram of the three-dimensional structure of the inner frame and lever of this utility model; Figure 7 This is a three-dimensional structural diagram of the cover base of this utility model; Figure 8 This is a three-dimensional structural diagram of the lever of this utility model; Figure 9 This is a schematic diagram of the three-dimensional structure of the lever and outer cover of this utility model. Figure 1 ; Figure 10 This is a schematic diagram of the three-dimensional structure of the lever and outer cover of this utility model. Figure 2 ; Figure 11 This is a three-dimensional structural diagram of the outer cover of this utility model; Figure 12This utility model only shows a three-dimensional structural diagram of the adapter block inside the outer cover; Figure 13 This is a front view schematic diagram of the structure of this utility model. Figure 2 ; Figure 14 yes Figure 13 A schematic diagram of the structure viewed in section along line BB. Figure 15 This is a front view schematic diagram of the two latch rods of this utility model. Figure 1 ; Figure 16 This is a front view schematic diagram of the two latch rods of this utility model. Figure 2 ; Figure 17 This is a front view schematic diagram of the two latch rods of this utility model. Figure 3 ; Figure 18 This is a front view schematic diagram of the two latch rods of this utility model. Figure 4 ; Figure 19 This is a front view schematic diagram of the two latch rods of this utility model. Figure 5 .

[0029] In the diagram: 1. Lid base; 101. Assembly interface; 102. Direct drinking spout; 2. Inner frame; 3. Outer cover; 4. Lever; 5. Buckle; 501. Abutment surface; 502. Guide slope; 6. First slot; 7. Protrusion; 8. Second slot; 9. Arc groove; 10. Control piece; 11. Adapter block; 1101. Column; 1102. Extension; 12. Stop bar; 13. Through groove; 14. U-shaped seat; 15. Elastic element; 16. Sliding strip; 17. Cup body; 18. Sealing silicone; 19. Pivot; 20. Torsion spring. Detailed Implementation

[0030] 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 scope of protection of the present utility model.

[0031] Example 1: like Figure 7As shown, a cup lid structure includes a through-type lid base 1. The two ends of the lid base 1 are respectively configured as an assembly interface 101 and a direct drinking spout 102. The lid base 1 can be directly installed onto the cup body 17 using the assembly interface 101. The installation method can be snap-fit, threaded connection, etc., which are existing technologies and will not be described in detail here. The direct drinking spout 102 consists of a hole communicating with the assembly interface 101 and an outer edge surrounding the hole. Using this structure, the direct drinking spout 102 allows the user to directly drink beverages. Furthermore, as shown... Figure 7 As shown, the cover 1 has an air hole at one end of the drinking spout 102.

[0032] Still with Figure 7 As shown, the cover 1 has a hinge 19 at one end of the drinking spout 102 for hinged installation. The inner frame 2 can be installed using this hinge 19, and the installed state can be determined by… Figure 4 To illustrate, the inner frame 2 can rotate around the pivot 19. A sealing silicone 18 is provided at the bottom of the inner frame 2 to seal the drinking spout 102. Figure 4 When the inner frame 2 is rotated clockwise in the indicated state, the sealing silicone 18 can be moved away from the drinking spout 102, thereby opening the drinking spout 102.

[0033] Furthermore, this application adds an outer cover 3, and correspondingly, sliding grooves are provided on both sides of the inner frame 2. Two sets of sliding strips 16 are fixedly provided on the end face of the outer cover 3 facing the inner frame 2. The two sets of sliding strips 16 are slidably installed on the two sets of sliding grooves respectively, so as to realize the horizontal sliding installation of the outer cover 3 on the inner frame 2.

[0034] Preferably, the sliding direction of the outer cover 3 on the inner frame 2 is perpendicular to the rotation axis of the inner frame 2.

[0035] like Figures 9-10 As shown, a transition block 11 is fixedly installed on the end face of the outer cover 3 facing the inner frame 2. The transition block 11 is located between the two slide bars 16. The transition block 11 has a column portion 1101 coaxially arranged with the outer cover 3, and the transition block 11 also has an extension portion 1102 integrally formed with the column portion 1101. A lever 4 is rotatably sleeved on the column portion 1101. The lever 4 has a through groove 13 along its length to accommodate the extension portion 1102, and a stop bar 12 that abuts against the extension portion 1102 is provided in the through groove 13. The middle part of the stop bar 12 facing the extension portion 1102 is designed to protrude, so that the side of the stop bar 12 facing the extension portion 1102 is divided into a left accommodating area 1201 and a right accommodating area 1202 with the middle part as the boundary. This layout can be achieved by... Figure 8 To represent it. For example Figure 3 As shown, one end of the extension 1102 abuts against either the left receiving area 1201 or the right receiving area 1202.

[0036] like Figures 4-5 As shown, the inner frame 2 has a first slot 6 on its side for the lever 4 to pass through. The cavity of the first slot 6 has sufficient space for the lever 4 to rotate. Figure 3 As shown, when the end of the extension 1102 abuts against the left-side receiving area 1201, the right side of the lever 4 abuts against the inner end wall of the first slot 6; when the lever 4 is... Figure 3 In the current state, the lever 4 rotates clockwise around the column 1101 until the left side of the lever 4 touches the inner wall of the first slot 6. At this point, the end of the extension 1102 will touch the right-side receiving area 1202. That is, by utilizing the protruding design in the middle of the stop bar 12, this application can achieve the contact of the extension 1102 in the left-side receiving area 1201 and the right-side receiving area 1202. In other words, one of the two sides of the lever 4 can contact the two inner walls of the first slot 6 in either the left or right position. Under the combined action of the contact between the extension 1102 and the receiving area and the contact between the side of the lever 4 and the inner wall of the first slot 6, the lever 4 can maintain a stable state when it is in the left or right position. That is, the lever 4 will only be in either the left or right position and will not shake randomly.

[0037] Furthermore, such as Figures 11-12 As shown, to facilitate the user's operation of the lever 4, this application provides a second slot 8 on the side of the outer cover 3 for the lever 4 to pass through. The cavity of the second slot 8 also has sufficient space for the lever 4 to rotate. An arc-shaped groove 9 communicating with the second slot 8 is also provided on the side of the outer cover 3. The shape of the arc-shaped groove 9 is coaxial with the rotation trajectory of the lever 4. The end of the lever 4 is provided with a control piece 10 located within the arc-shaped groove 9. The user can rotate the lever 4 by swinging the control piece 10 within the arc-shaped groove 9. Figure 2 As shown, the control piece 10 is located on the right side of the arc groove 9. When the position of the lever 4 needs to be changed, the user can slide the control piece 10 to the left until the control piece 10 moves to the left side of the arc groove 9.

[0038] like Figure 3 As shown, when the outer cover 3 is driven to slide horizontally upward, the outer cover 3 can drive the extension 1102 and the lever 4 to move upward. At this time, the lever 4 will freely pass through the first slot 6 upward. Since the sliding direction of the outer cover 3 on the inner frame 2 is perpendicular to the rotation axis of the inner frame 2, the sliding action of the outer cover 3 can drive the inner frame 2 to easily perform the flipping and opening action, realizing the quick opening of the cover under the sliding action.

[0039] Under the above structural composition, such as Figure 6 and Figure 8As shown, this application provides a protrusion 7 on either side of the lever 4. Preferably, the protrusion 7 is located on the left side of the lever 4. Furthermore, the cross-sectional area of ​​the protrusion 7 and the lever 4 as a whole is smaller than the cavity size of the first slot 6. Figure 3 In the state shown, the outer cover 3 is driven to move upward (this movement is described in terms of...). Figure 3 (The view shown is based on a reference angle and does not represent the relative movement between the outer cover 3 and the cover seat 1), causing the lever 4 to move upwards. The lever 4 and the protrusion 7 can pass through the first slot 6 together. Subsequently, the continued upward movement of the outer cover 3 can drive the inner frame 2 to perform a flipping and opening action. When in Figure 3 When the control piece 10 is slid to the left in the indicated state, the left side of the lever 4 will abut against the inner end wall of the first slot 6. That is, when the side of the lever 4 with the protrusion 7 abuts against the inner end wall of the first slot 6, the protrusion 7 will be involved in the movement path of the lever 4 and will be in contact with the inner frame 2. If the outer cover 3 is pushed at this time, the outer cover 3 cannot be moved, that is, the inner frame 2 cannot be driven to perform the flipping and opening action, thus using the lever 4 to restrict the sliding state of the outer cover 3.

[0040] At the same time, such as Figures 13-14 As shown, a latch 5 is provided at one end of both the cover 1 and the outer cover 3. The two latches 5 are arranged vertically, and each end of the two latches 5 has an abutment surface 501. When the outer cover 3 is closed on the inner frame 2, the abutment surfaces 501 of the two latches 5 are aligned vertically. Figure 14 The upper and lower contact state shown means that the outer cover 3 is locked on the cover seat 1, and the closed state of the outer cover 3 is stably maintained.

[0041] It is important to distinguish that the side of the lever 4 with the protrusion 7 is in a left-side contact with the inner end wall of the first slot 6, which restricts the horizontal sliding of the outer cover 3. The contact surfaces 501 of the two latches 5 are in an up-down contact, which locks the outer cover 3 onto the cover base 1. When the operating piece 10 slides on the arc-shaped groove 9 to release the horizontal sliding restriction of the lever 4 on the outer cover 3, sliding the outer cover 3 at this time will cause the two latches 5 to disengage, releasing the restriction between the outer cover 3 and the inner frame 2, allowing for a flip-open opening action.

[0042] When the right side of lever 4 abuts against the inner end wall of the first slot 6, it is in a free state. This state can be determined by... Figure 3 To illustrate, at this time, the outer cover 3 slides onto the inner frame 2, and the abutting surface 501 of the latch 5 on the outer cover 3 is perpendicular to the abutting surface 501 of the latch 5 on the cover seat 1. Figure 14As shown in the diagram, when the outer cover 3 slides, the latch 5 on the outer cover 3 disengages from the latch 5 on the cover seat 1, thus unlocking the outer cover 3. Since the outer cover 3 is slidably mounted on the inner frame 2, the outer cover 3 and the inner frame 2 are considered as a whole. Therefore, both the outer cover 3 and the inner frame 2 are unlocked together, subsequently driving the inner frame 2 to perform a flipping and opening action. The left side of the lever 4 is defined as being in the locked state when it abuts against the inner end wall of the first slot 6. In this state, the contact surface 501 of the latch 5 on the outer cover 3 and the contact surface 501 of the latch 5 on the cover seat 1 are perpendicular. Figure 14 As shown in the contact state, the protrusion 7 is stopped by the inner frame 2, and the contact state of the two latches 5's contact surfaces 501 can be stably maintained.

[0043] In summary, this application provides a sliding outer cover 3 on the inner frame 2. On one hand, the outer cover 3 can cover the inner frame 2, providing protection. On the other hand, the latch 5 on the outer cover 3 and the latch 5 on the cover base 1 can lock the position of the outer cover 3. Furthermore, the lever 4 can be used to lock or unlock the outer cover 3 by sliding via an external control piece 10. In the unlocked state, the outer cover 3 can be slid to disengage the two latches 5, making it convenient and easy to use. Compared to the button-press method in existing technologies, this sliding locking and unlocking method is less likely to be triggered by conventional external force and thus offers the advantage of portability.

[0044] During the closing process, in order to ensure that the contact surfaces 501 of the two latches 5 can smoothly achieve the upper and lower contact layout, this application provides guide slopes 502 at the near ends of the two latches 5. When the inner frame 2 drives the outer cover 3 to perform the closing and flipping action, the guide slopes 502 of the latches 5 at the outer cover 3 and the guide slopes 502 of the latches 5 at the cover seat 1 are in a wedge-shaped fit with each other in an upper and lower layout. Relying on the sliding design of the outer cover 3 on the inner frame 2, the guide slopes 502 at the outer cover 3 are displaced and moved, so as to achieve the upper and lower contact of the two contact surfaces 501.

[0045] Specifically as follows: Figure 3 From the perspective shown, when pushing upwards (this motion is described in terms of...) Figure 3 (The view shown is based on a reference angle and does not represent the relative movement relationship between the outer cover 3 and the cover seat 1.) After the outer cover 3 is installed, in order for the outer cover 3 to return to its downward position, an elastic element 15 that abuts against the extension 1102 can be provided inside the U-shaped seat 14. The elastic element 15 has a tendency to move the extension 1102 downward out of the slot. The elastic element 15 is selected as a spring or the like. The setting of the elastic element 15 has three functions: first, it can return the outer cover 3 to its original position; second, it acts as a buffer to realize a slow opening action; and third, it can resist external interference and prevent accidental opening.

[0046] like Figures 15-19As shown, the contact state of the two latches 5 can be determined by... Figure 15 To indicate, when it is necessary to open the lid, one can follow... Figure 15 Pushing the outer cover 3 in the direction of the middle arrow will compress the elastic element 15 until the abutment surface 501 of the latch 5 on the outer cover 3 disengages from the abutment surface 501 of the latch 5 on the cover seat 1, thereby unlocking the outer cover 3 and the inner frame 2. This state can be achieved by... Figure 16 This is used to indicate the action; then the outer cover 3 and inner frame 2 can be driven to perform a flipping and opening action. This state can be controlled by... Figure 17 To illustrate, when the external thrust is released, since the elastic element 15 is in a compressed state during this process, under the compression of the elastic element 15, the outer cover 3 will move along... Figure 18 As shown by the arrow, the latch 5 on the outer cover 3 will be positioned to the upper right of the latch 5 on the cover seat 1 after resetting. During a counter-clockwise closing action, the guide slope 502 of the upper latch 5 will initially abut against the guide slope 502 of the lower latch 5. Due to the elastic design of the elastic element 15 and the sliding design of the outer cover 3, during the closing action, the upper latch 5 will adaptively move to the right and always abut against the lower latch 5. This state can be achieved by... Figure 19 To illustrate, when the contact process crosses the two guide ramps 502, it will eventually form a state under the reset action of the elastic element 15. Figure 15 The state shown causes the contact surfaces 501 of the two latches 5 to abut against each other, thus achieving a latching and locking action.

[0047] Meanwhile, in order to ensure that the inner frame 2 opens quickly, such as Figure 7 As shown, this application also provides a torsion spring 20 inside the hub 19. When the cover is closed, the torsion spring 20 generates a torsion action. When the cover is unlocked, under the torsion and reset action of the torsion spring 20, the outer cover 3 and the inner frame 2 will quickly flip to open the cover. That is, when the outer cover 3 is slid to the unlocked state, the outer cover 3 and the inner frame 2 will work together to quickly open the cover, which is convenient to use.

[0048] Furthermore, to ensure the stability of the extension 1102, a U-shaped seat 14 is installed at the center of the inner frame 2. The extension 1102 is movably inserted into the slot of the U-shaped seat 14, and its direction of movement is the same as the sliding direction of the outer cover 3, so that the extension 1102 and the outer cover 3 tend to move in the same direction. When the outer cover 3 is pushed to slide, since the extension 1102, the lever 4, etc. are attached to the outer cover 3, they form a whole. Therefore, by relying on the U-shaped seat 14 to guide and limit the extension 1102, the outer cover 3 is limited, which further ensures the stability of the sliding of the outer cover 3.

[0049] Example 2: like Figures 1-2 and Figures 13-14As shown, a cup includes a cup body 17 and the aforementioned cup lid structure, which are detachably installed. The detachable installation method can be any of the existing technologies. Taking a threaded connection as an example, an external thread can be provided at the top opening of the cup body 17. This external thread is used to thread-fit and connect with the internal thread at the assembly interface 101 of the lid seat 1, thereby achieving the installation of the lid seat 1 and the cup body 17. A sealing ring is provided on the inner side of the assembly interface 101 of the cup lid structure to achieve a good seal between the cup lid structure and the cup body 17.

[0050] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A cup lid structure, characterized in that, Includes a cover (1) with an assembly interface (101) and a drinking spout (102) at its two ends respectively, and an inner frame (2) for opening and closing the drinking spout (102) is movably hinged on the cover (1). An outer cover (3) is horizontally slidably installed on the inner frame (2). A lever (4) is coaxially rotated at the end face of the outer cover (3) facing the inner frame (2). The lever (4) can swing with its rotation point as the center, so that the lever (4) has a free state that can slide on the inner frame (2) and a locked state that can abut against the inner frame (2). Both the cover (1) and the outer cover (3) are provided with a latch (5) at one end, and the two latches (5) are arranged vertically. Both ends of the two latches (5) are provided with abutting surfaces (501) so that the outer cover (3) is latched and locked when the abutting surfaces (501) of the two latches (5) are in a vertical abutting state. When the lever (4) is in the free state, the outer cover (3) can slide on the inner frame (2) until the contact surfaces (501) of the two latches (5) are disengaged, and the inner frame (2) rotates to open the cover; when the lever (4) is in the locked state, the outer cover (3) is stopped by the inner frame (2), and the upper and lower contact states of the two latches (5) are maintained.

2. The cup lid structure according to claim 1, characterized in that, The sliding direction of the outer cover (3) on the inner frame (2) is perpendicular to the rotation axis of the inner frame (2).

3. The cup lid structure according to claim 2, characterized in that, The inner frame (2) has a first slot (6) on its side for the lever (4) to pass through. The cavity of the first slot (6) has enough space for the lever (4) to rotate. The two sides of the lever (4) are selected to abut against the two inner walls of the first slot (6) in either the left or right position, so that when the outer cover (3) slides on the inner frame (2), either side of the lever (4) is in contact with the inner wall of the first slot (6) in a sliding motion. A protrusion (7) is provided on either side of the lever (4) so ​​that when the side with the protrusion (7) is in left or right contact with the inner end wall of the first slot (6), the protrusion (7) is involved in the movement path of the lever (4) and is in contact with the inner frame (2).

4. The cup lid structure according to claim 3, characterized in that, The outer cover (3) has a second slot (8) on its side for the lever (4) to pass through. The cavity of the second slot (8) has enough space for the lever (4) to rotate. The outer cover (3) also has an arc-shaped groove (9) connected to the second slot (8). The shape of the arc-shaped groove (9) is coaxial with the rotation trajectory of the lever (4). The end of the lever (4) is provided with a control piece (10) located in the arc-shaped groove (9). The lever (4) can rotate by sliding the control piece (10) in the arc-shaped groove (9).

5. A cup lid structure according to any one of claims 1-4, characterized in that, A transition block (11) is fixedly provided on the end face of the outer cover (3) facing the inner frame (2). The transition block (11) has a column (1101) arranged coaxially with the outer cover (3). The lever (4) is rotatably sleeved on the column (1101). The transition block (11) also has an extension (1102) integrally formed with the column (1101). The lever (4) is provided with a through groove (13) for accommodating the extension (1102), and the through groove (13) is provided with a corresponding part of the extension (1102). The stop bar (12) is designed to protrude from the middle of the stop bar (12) towards the extension (1102), so that the side of the stop bar (12) towards the extension (1102) is divided into a left receiving area (1201) and a right receiving area (1202) with the middle part as the boundary. When one of the two sides of the lever (4) is in left or right contact with the two inner end walls of the first slot (6), the extension (1102) contacts the left receiving area (1201) or the right receiving area (1202).

6. A cup lid structure according to claim 5, characterized in that, A U-shaped seat (14) is fixedly provided in the middle of the inner frame (2), and the extension (1102) is movably inserted into the groove of the U-shaped seat (14), and its movement direction is the same as the sliding direction of the outer cover (3).

7. A cup lid structure according to claim 6, characterized in that, The U-shaped seat (14) is provided with an elastic element (15) that abuts against the extension (1102). The elastic element (15) has a tendency to move the extension (1102) out of the slot.

8. A cup lid structure according to any one of claims 1-4, characterized in that, Both latches (5) are provided with guide slopes (502) at their near ends. When the inner frame (2) drives the outer cover (3) to close and flip, the guide slopes (502) of the latches (5) at the outer cover (3) and the guide slopes (502) of the latches (5) at the cover seat (1) are arranged in an inclined wedge-shaped fit. Relying on the sliding design of the outer cover (3) on the inner frame (2), the guide slopes (502) at the outer cover (3) are moved back, so that the two contact surfaces (501) can be contacted vertically.

9. A cup lid structure according to any one of claims 1-4, characterized in that, Two sets of slide bars (16) are fixedly provided on the end face of the outer cover (3) facing the inner frame (2), and the two sets of slide bars (16) are located on both sides of the adapter block (11). Both sets of slide bars (16) are slidably installed on the inner frame (2) to realize the sliding installation of the outer cover (3) on the inner frame (2).

10. A cup, characterized in that, Includes the cup lid structure as described in any one of claims 1-9 and the cup body (17) adapted to and connected to the assembly interface (101) in the cup lid structure.

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