A double-locking cup lid and container

Abstract

The utility model belongs to container technical field, especially is concerned about a kind of double lock cup cover and container. When upper cover body covers in middle cover body in double lock cup cover, lock hook is locked in lock groove, and suction nozzle extends into accommodating recess;When middle cover body covers in main cover body, suction nozzle is butt joint with connector, and blocking convex part passes through second through-hole;When middle cover body covers in main cover body, and slide lock is in locking state, blocking convex part extends into second through-hole, second lock arm extends into side recess, and the key of blocking convex part and knob abutment prevents slide lock pressing;When middle cover body covers in main cover body, and slide lock is in unlocking state, blocking convex part is away from key, and second lock arm exits side recess;Press slide lock to make first lock arm drive lock hook exit lock groove, and upper cover body is opened from middle cover body;Dial middle cover body to make blocking convex part exit second through-hole, and middle cover body is opened from main cover body. In the utility model, the double lock cup cover is convenient to use and high in safety.

Description

Technical Field

[0001] This utility model belongs to the field of container technology, and in particular relates to a double-locking cup lid and container. Background Technology

[0002] Water cups are an essential daily necessity. Currently, there are many different styles of containers on the market, and as people's living standards continue to improve, consumers are paying close attention to the safety and portability of containers.

[0003] To improve the portability of water bottles, some lids feature two flip-tops: one for opening the sippy spout and the other for opening the drinking spout. The lid also has a locking hook to engage both flip-tops. Existing locking hooks are typically rings. While these rings lock both flip-tops simultaneously, they protrude from the front of the lid, making them prone to accidental locking upon touch. Furthermore, the rings require flipping to unlock, resulting in inconvenience and a poor user experience. Summary of the Invention

[0004] The technical problem to be solved by this utility model is: to address the technical problems of inconvenient operation and poor user experience of existing double-opening cup lids, a double-locking cup lid and container are provided.

[0005] To solve the above-mentioned technical problems, one embodiment of the present invention provides a double-locking cup lid, including a main lid body, an upper lid body, and a middle lid assembly; The main cover is provided with a drinking water passage and a connecting pipe located in the drinking water passage. The outer wall of the main cover is provided with a protrusion, and the protrusion is provided with a blocking protrusion. A side groove is provided between the protrusion and the blocking protrusion. The upper cover is provided with a locking hook and a receiving groove. The middle cover assembly includes a middle cover body, a sliding lock, a button, and a suction nozzle mounted on the middle cover body. The middle cover body has a mounting groove and a locking groove. The bottom wall of the mounting groove has a first through hole and a second through hole spaced apart. The button is mounted in the mounting groove, and the sliding lock is slidably mounted in the mounting groove, with the button located between the sliding lock and the bottom wall of the mounting groove. The sliding lock has a first locking arm and a second locking arm spaced apart. The first locking arm slides through the first through hole and extends into the locking groove, while the second locking arm slides into the second through hole. Both the upper cover and the middle cover are rotatably mounted on the main cover. When the upper cover is placed on the middle cover, the locking hook is engaged in the locking groove, and the suction nozzle extends into the receiving groove; When the middle cover is fitted onto the main cover and the slide lock is in the locked state, the blocking protrusion extends into the second through hole and the second locking arm extends into the side groove. The slide lock, which abuts against the protrusion and the blocking protrusion, is used to prevent the button from being pressed and to prevent the middle cover from being opened from the main cover. When the middle cover is fitted onto the main cover and the slide lock is in the unlocked state, the second locking arm disengages from the side groove; pressing the slide lock causes the first locking arm to drive the lock hook out of the lock groove, and the upper cover opens from the middle cover; moving the middle cover causes the blocking protrusion to disengage from the second through hole, and the middle cover opens from the main cover.

[0006] Optionally, the blocking protrusion has a first inclined surface on the side opposite to the side groove, and the inner wall of the second through hole has a receiving inclined hole for accommodating the blocking protrusion. During the process of the middle cover closing onto the main cover, the second locking arm slides along the first inclined surface to guide the second locking arm away from the side groove.

[0007] Optionally, the middle cover assembly further includes an elastic element, which is installed in the mounting groove and abuts against the button.

[0008] Optionally, the double-locking cup lid further includes a shaft and a torsion elastic element. The upper cover and the middle cover are rotatably mounted on the main cover via the shaft, and the opposite ends of the torsion elastic element abut against the upper cover and the main cover, respectively.

[0009] Optionally, the double-lock cup lid further includes a straw connected to the connecting tube, the straw having a first inner hole and the connecting tube having a second inner hole, the first inner hole communicating with the second inner hole; The nozzle is provided with a third inner hole; when the middle cover is closed on the main cover, the third inner hole communicates with the second inner hole.

[0010] Optionally, the main cover body is further provided with a locking protrusion on its side wall, and the middle cover body is further provided with a third through hole, which is located between the first through hole and the second through hole; When the middle cover is placed on the main cover, the suction nozzle is connected to the connecting pipe, the blocking protrusion passes through the second through hole, and the locking protrusion is inserted into the third through hole.

[0011] Optionally, the bottom wall of the receiving groove is further provided with a fourth through hole and a fifth through hole spaced apart; The button is provided with a first plug-in portion and a second plug-in portion spaced apart; the first plug-in portion is slidably inserted into the fourth through hole, and the second plug-in portion is slidably inserted into the fifth through hole.

[0012] Optionally, the middle cover body is also provided with a sliding flange.

[0013] Another embodiment of this utility model provides a container, including a cup body and the aforementioned double-locking cup lid, wherein the main lid body is detachably installed on the cup body.

[0014] In this invention, when the upper cover is fitted onto the middle cover, the locking hook engages in the locking groove, and the suction nozzle extends into the receiving groove; the locking hook engages in the locking groove to lock the upper cover onto the middle cover. When the middle cover is fitted onto the main cover, the suction nozzle mates with the connecting pipe, and the blocking protrusion passes through the second through hole; the blocking protrusion is inserted into the second through hole, that is, the second through hole accommodates the blocking protrusion, at which time the middle cover is fitted onto the main cover. When the middle cover is fitted onto the main cover, and the sliding lock is in the locked state, the blocking protrusion extends into the second through hole, and the second locking arm extends into the side groove. The sliding lock, which abuts against the protrusion and the blocking protrusion, is used to prevent the button from being pressed and to prevent the middle cover from being opened from the main cover; the second locking arm extends into the side groove, and the blocking protrusion, through the second locking arm, is used to prevent the middle cover from being opened from the main cover. Slide the slide lock to the unlock position and the second locking arm disengages from the side groove. At this time, the protrusion will not obstruct the slide lock and button from moving in the pressing direction. When the user presses the slide lock, the first locking arm will cause the lock hook to disengage from the lock groove, and the upper cover can be opened from the middle cover. When the user pushes the middle cover upward, the blocking protrusion will not prevent the middle cover from rotating through the second locking arm, and the middle cover can be opened from the main cover.

[0015] In this invention, the middle cover fits onto the main cover. When the upper cover is opened from the middle cover, the user can drink through the spout. When the middle cover is opened from the main cover, the user can drink through the drinking hole. The user can also add water or tea through the drinking hole, thus the double-locking cup lid has both straw drinking and direct drinking functions, improving the user experience. Furthermore, when the sliding lock is in the locked position, the user cannot press the sliding lock, preventing the button from moving. This ensures that the locking hook can lock the upper cover onto the middle cover and prevent the middle cover from opening from the main cover, thus guaranteeing the stability and security of the double-locking cup lid in the locked state. Furthermore, when the slide lock is slid to the unlock position, pressing the slide lock will open the upper cover from the middle cover, and moving the middle cover will open the middle cover from the main cover. The unlocking and opening operation of this double-lock cup lid is convenient, further improving the user experience of the double-lock cup lid. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a schematic diagram of the structure of the double-lock cup lid provided in the first embodiment of the present invention when the upper lid is open and the middle lid is closed; Figure 2 This is a schematic diagram of the structure of the double-lock cup lid in the open state according to the first embodiment of this utility model; Figure 3 This is a schematic diagram of the structure of the double-lock cup lid provided in the first embodiment of the present invention when both the upper and middle lids are closed and the sliding lock is in the locked state; Figure 4 yes Figure 3 A magnified view of a section at point A in the middle; Figure 5 This is a schematic diagram of the structure of the double-lock cup lid provided in the first embodiment of the present invention, in which both the upper and middle covers are closed, the sliding lock is in the unlocked state, and the button is in the pressed state. Figure 6 This is an exploded structural diagram of the double-lock cup lid provided in the first embodiment of this utility model; Figure 7 This is a schematic diagram of the main body of the double-lock cup lid provided in the first embodiment of this utility model; Figure 8 This is a schematic diagram of the structure of the middle cover of the double-lock cup lid provided in the first embodiment of this utility model.

[0018] The reference numerals in the accompanying drawings are as follows: 1. Main cover; 11. Drinking water passage; 12. Connecting pipe; 13. Protrusion; 14. Blocking protrusion; 141. First inclined surface; 15. Side groove; 16. Locking protrusion; 2. Upper cover; 21. Locking hook; 22. Receiving groove; 3. Middle cover assembly; 31. Middle cover body; 311. Mounting groove; 312. Lock groove; 313. First through hole; 314. Second through hole; 3141. Accommodating oblique hole; 315. Third through hole; 316. Fourth through hole; 317. Fifth through hole; 318. Flip-edge; 32. Slide lock; 321. First locking arm; 322. Second locking arm; 33. Button; 331. First insertion part; 332. Second insertion part; 34. Nozzle; 35. Elastic element; 4. Shaft; 5. Torsional elastic element; 6. Straw. Detailed Implementation

[0019] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0020] It should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of this utility model.

[0021] like Figure 1 As shown, an embodiment of the present invention provides a double-locking cup lid, including a main lid body 1, an upper lid body 2, and a middle lid assembly 3; like Figure 7 As shown, the main cover 1 is provided with a drinking water passage 11 and a connecting pipe 12 located in the drinking water passage 11. The outer wall of the main cover 1 is provided with a protrusion 13, the protrusion 13 is provided with a blocking protrusion 14, and a side groove 15 is provided between the protrusion 13 and the blocking protrusion 14. like Figure 1 As shown, the upper cover 2 is provided with a locking hook 21 and a receiving groove 22; like Figure 3 , Figure 4 , Figure 6 as well as Figure 8The middle cover assembly 3 shown includes a middle cover body 31, a sliding lock 32, a button 33, and a suction nozzle 34 mounted on the middle cover body 31. The middle cover body 31 is provided with a mounting groove 311 and a locking groove 312. The bottom wall of the mounting groove 311 is provided with a first through hole 313 and a second through hole 314 spaced apart. The button 33 is mounted in the mounting groove 311, and the sliding lock 32 is slidably mounted in the mounting groove 311, with the button 33 located between the sliding lock 32 and the bottom wall of the mounting groove 311. The sliding lock 32 is provided with a first locking arm 321 and a second locking arm 322 spaced apart. The first locking arm 321 slides through the first through hole 313 and extends into the locking groove 312, while the second locking arm 322 is slidably inserted into the second through hole 314. Both the upper cover 2 and the middle cover 31 are rotatably mounted on the main cover 1; like Figure 3 and Figure 4 As shown, when the upper cover 2 is placed on the middle cover 31, the locking hook 21 is locked in the locking groove 312, and the suction nozzle 34 extends into the receiving groove 22; like Figure 1 and Figure 5 As shown, when the middle cover 31 is covered on the main cover 1, the suction nozzle 34 is connected to the connecting pipe 12, and the blocking protrusion 14 passes through the second through hole 314; like Figure 3 and Figure 4 As shown, when the middle cover 31 covers the main cover 1 and the slide lock 32 is in the locked state, the blocking protrusion 14 extends into the second through hole 314 and the second locking arm 322 extends into the side groove 15. The slide lock 32, which abuts against the protrusion 12 and the blocking protrusion 14, is used to prevent the button 33 from being pressed and to prevent the middle cover 31 from being opened from the main cover 1. like Figure 5 As shown, when the middle cover 31 is closed on the main cover 1 and the slide lock 32 is in the unlocked state, the second locking arm 322 disengages from the side groove 15; pressing the slide lock 32 causes the first locking arm 321 to drive the lock hook 21 out of the lock groove 312, and the upper cover 2 opens from the middle cover 31; moving the blocking protrusion 14 of the middle cover 31 out of the second through hole 314, the middle cover 31 opens from the main cover 1.

[0022] The connecting pipe 12 can be connected to the inner wall of the drinking hole 11 via the support portion. The protrusion 13 is disposed on the front side of the main cover 1, and the blocking protrusion 14 extends outward. The protrusion 13 and the blocking protrusion 14 form a 7-shaped structure, and the side groove 15 is located below the blocking protrusion 14. The first locking arm 321 is located above the second locking arm 322, and the locking groove 312 is located above the first through hole 313, and the locking groove 312 communicates with the first through hole 313.

[0023] Specifically, when the upper cover 2 is fitted onto the middle cover 31, the locking hook 21 is engaged in the locking groove 312, and the suction nozzle 34 extends into the receiving groove 22; the locking hook 21 is engaged in the locking groove 312 to lock the upper cover 2 onto the middle cover 31. When the middle cover 31 is fitted onto the main cover 1, the suction nozzle 34 is aligned with the connecting pipe 12, and the blocking protrusion 14 passes through the second through hole 314; the blocking protrusion 14 is inserted into the second through hole 314, that is, the second through hole 314 accommodates the blocking protrusion 14, at this time, the middle cover 21 is fitted onto the main cover 1. When the middle cover 31 covers the main cover 1 and the slide lock 32 is in the locked state, the blocking protrusion 14 extends into the second through hole 314, and the second locking arm 322 extends into the side groove 15. The slide lock 32, which abuts against the protrusion 12 and the blocking protrusion 14, prevents the button 33 from being pressed and prevents the middle cover 31 from being opened from the main cover 1. The second locking arm 322 extends into the side groove 15, and the blocking protrusion 14, through the second locking arm 322, is used to prevent the middle cover 31 from being opened from the main cover 1. Slide the slide lock 32 to the unlock position and the second locking arm 322 exits the side groove 15; at this time, the protrusion 12 will not block the slide lock 32 and the button 33 from moving in the pressing direction. When the user presses the slide lock 32, the first locking arm 321 will drive the lock hook 21 to disengage from the lock groove 312, and the upper cover 2 can be opened from the middle cover 31; when the user pushes the middle cover 31 upward, the blocking protrusion 14 will not prevent the middle cover 31 from rotating through the second locking arm 322, and the middle cover 31 can be opened from the main cover 1.

[0024] In this invention, the middle cover 31 covers the main cover 1. When the upper cover 2 is opened from the middle cover 31, the user can drink water through the spout 34. When the middle cover 31 is opened from the main cover 1, the user can drink water through the drinking hole 11. The user can also add water or tea through the drinking hole 11. Thus, the double-locking cup lid has the functions of drinking water through a straw 6 and direct drinking water, improving the user experience. Furthermore, when the sliding lock 32 is in the locked position, the user cannot press the sliding lock 32, thereby preventing the button 33 from moving. This ensures that the locking hook 21 can lock the upper cover 2 onto the middle cover 31 and prevent the middle cover 31 from opening from the main cover 1, thus ensuring the stability and security of the double-locking cup lid in the locked state. Furthermore, when the sliding lock 32 is slid to the unlocked position, pressing the sliding lock 32 will allow the upper cover 2 to open from the middle cover 31, and moving the middle cover 31 will allow the middle cover 31 to open from the main cover 1. The unlocking and opening operation of this double-lock cup lid is convenient, further improving the user experience of the double-lock cup lid.

[0025] To further explain, the upper cover 2 covers the middle cover 31, and when the sliding lock 32 is in the unlocked state, the middle cover 31 can also be opened from the main cover 1.

[0026] In one embodiment, such as Figure 7 and Figure 8 As shown, the blocking protrusion 14 has a first inclined surface 141 on the side opposite to the side groove 15, and the inner wall of the second through hole 314 has a receiving inclined hole 3141 for accommodating the blocking protrusion 14. During the process of the middle cover 31 covering the main cover 1, the second locking arm 322 slides along the first inclined surface 141 to guide the second locking arm 322 away from the side groove 15; thereby completing the middle cover 3 being fastened to the main cover 1.

[0027] Specifically, during the process of covering the middle cover 31 onto the main cover 1, the second locking arm 322 will slide along the first inclined surface 141 until the second locking arm 322 moves away from the side groove 15, thereby driving the slide lock 32 into the unlocked state. When the middle cover 31 is covered onto the main cover 1, the blocking protrusion 14 is located in the receiving inclined hole 3141, and the first inclined surface 141 abuts against the inner inclined wall of the receiving inclined hole 3141. In this embodiment, the first inclined surface 141 can guide the second locking arm 322 away from the side groove 15 during the process of the middle cover 31 covering the main cover 1, ensuring that the middle cover 31 is not obstructed when covering the main cover 1, thereby ensuring the stability of the covering. The receiving inclined hole 3141 is used to accommodate the blocking protrusion 14, thereby ensuring that the middle cover 31 is not affected by the blocking protrusion 14 during the opening and closing of the main cover 1.

[0028] In one embodiment, such as Figures 3 to 6 As shown, the middle cover assembly 3 also includes an elastic element 35, which is installed in the mounting groove 311 and abuts against the button 33.

[0029] The elastic element 35 includes, but is not limited to, springs, etc., and the side of the button 33 facing away from the slide lock 32 abuts against the elastic element 35.

[0030] In this embodiment, when the slide lock 32 is in the unlocked state, pressing the slide lock 32 and the button 33 compresses the elastic element 35. The first locking arm 321 of the slide lock 21 presses the locking hook 21, causing the locking hook 21 to disengage from the locking groove 312, thereby opening the upper cover 2 from the middle cover 21. After releasing the slide lock 32, the elastic force of the elastic element 35 will cause the slide lock 32 and the button 33 to return to their original positions.

[0031] In one embodiment, such as Figure 6 As shown, the double-lock cup lid also includes a shaft 4 and a torsion elastic element 5. The upper cover 2 and the middle cover 31 are both rotatably mounted on the main cover 1 via the shaft 4. The opposite ends of the torsion elastic element 5 abut against the upper cover 2 and the main cover 1, respectively.

[0032] The torsion elastic element 5 includes, but is not limited to, torsion springs, springs, silicone rings, etc.

[0033] Specifically, when the slide lock 32 is in the unlocked state and the upper cover 2 is closed on the middle cover 31, pressing the slide lock 32 will cause the first locking arm 321 to drive the locking hook 21 out of the locking groove 312. Under the elastic force of the torsional elastic member 5, the upper cover 2 will automatically open from the middle cover 31, improving the convenience of opening the upper cover 2 from the middle cover 31.

[0034] In one embodiment, such as Figure 5 and Figure 6 As shown, the double-lock cup lid also includes a straw 6 connected to the connecting tube 12. The straw 6 has a first inner hole, and the connecting tube 12 has a second inner hole. The first inner hole communicates with the second inner hole. The suction nozzle 34 is provided with a third inner hole; when the middle cover 31 is closed on the main cover 1, the third inner hole is connected to the second inner hole.

[0035] The nozzle 34 is made of silicone, the connecting tube 12 is made of rigid plastic, and the straw 6 is made of silicone or plastic.

[0036] When the middle cover 31 is placed on the main cover 1, the bottom of the nozzle 34 will automatically be attached to the top of the connecting tube 12, so that the nozzle 34 is connected to the straw 6 through the connecting tube 12, and the user can drink the liquid in the cup through the nozzle 34.

[0037] In one embodiment, such as Figure 5 , Figure 7 as well as Figure 8 As shown, the main cover 1 is also provided with a locking protrusion 16 on its side wall, and the middle cover 31 is also provided with a third through hole 315, which is located between the first through hole 313 and the second through hole 314. When the middle cover 31 is placed on the main cover 1, the suction nozzle 34 is connected to the connecting pipe 12, the blocking protrusion 14 passes through the second through hole 314, and the locking protrusion 16 is inserted into the third through hole 315.

[0038] The locking protrusion 16 is located above the protrusion 13.

[0039] Specifically, when the middle cover 31 is placed on the main cover 1, the locking protrusion 16 automatically inserts into the third through hole 315, thereby ensuring that the middle cover 31 is locked onto the main cover 1; the blocking protrusion 14 passes through and is accommodated in the second through hole 314. In this embodiment, the locking protrusion 16 is inserted into the third through hole 315, and the blocking protrusion 14 passes through and is accommodated in the second through hole 314, for placing the middle cover 31 on the main cover 1, and ensuring the stability of the middle cover 31 locked onto the main cover 1.

[0040] In one embodiment, such as Figure 3 , Figure 4 as well as Figure 8 As shown, the bottom wall of the receiving groove 22 is also provided with a fourth through hole 316 and a fifth through hole 317 spaced apart; The button 33 is provided with a first plug portion 331 and a second plug portion 332 spaced apart; the first plug portion 331 is slidably inserted into the fourth through hole 316, and the second plug portion 332 is slidably inserted into the fifth through hole 317.

[0041] The first through hole 313 and the second through hole 314 are arranged horizontally at intervals along the vertical direction, and the fourth through hole 316 and the fifth through hole 317 are arranged vertically at intervals along the horizontal direction.

[0042] Specifically, during the pressing of the slide lock 32, the first insertion part 331 moves in the fourth through hole 316, and the second insertion part 332 moves in the fifth through hole 317. The first insertion part 331, the second insertion part 332, the first locking arm 321, and the second locking arm 322 are all provided with limiting protrusions (not shown in the figure) to slide and fix the button 33 and the slide lock 32 onto the middle cover 21, thereby ensuring the stability of the installation of the button 33 and the slide lock 32.

[0043] In this embodiment, the first insertion part 331, which is slidably inserted into the fourth through hole 316, and the second insertion part 332, which is slidably inserted into the fifth through hole 317, can limit the slide lock 32 on the middle cover 31, thus ensuring the stability of the slide lock 32 installed on the middle cover 31.

[0044] In one embodiment, such as Figure 3 As shown, the middle cover 31 is also provided with a sliding flange 318.

[0045] The actuating flange 318 is located on the front side of the middle cover 31 and extends outward. The user can actuate the middle cover 31 using the actuating flange 318, thereby causing the middle cover 31 to open together with the upper cover 1 from the main cover 1. In this embodiment, the actuating flange 318 is designed to facilitate the user opening the middle cover 31 from the main cover 1.

[0046] Another embodiment of this utility model provides a container, including a cup body (not shown in the figure) and the aforementioned double-locking cup lid, wherein the main lid body 1 is detachably mounted on the cup body. The main lid body 1 can be detachably mounted on the cup body via a threaded structure.

[0047] The above are merely embodiments of the double-locking cup lid and container of this utility model, and are not intended to limit this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A double-locking cup lid, characterized in that, Includes the main cover, the upper cover, and the middle cover assembly; The main cover is provided with a drinking water passage and a connecting pipe located in the drinking water passage. The outer wall of the main cover is provided with a protrusion, and the protrusion is provided with a blocking protrusion. A side groove is provided between the protrusion and the blocking protrusion. The upper cover is provided with a locking hook and a receiving groove. The middle cover assembly includes a middle cover body, a sliding lock, a button, and a suction nozzle mounted on the middle cover body. The middle cover body has a mounting groove and a locking groove. The bottom wall of the mounting groove has a first through hole and a second through hole spaced apart. The button is mounted in the mounting groove, and the sliding lock is slidably mounted in the mounting groove, with the button located between the sliding lock and the bottom wall of the mounting groove. The sliding lock has a first locking arm and a second locking arm spaced apart. The first locking arm slides through the first through hole and extends into the locking groove, while the second locking arm slides into the second through hole. Both the upper cover and the middle cover are rotatably mounted on the main cover. When the upper cover is placed on the middle cover, the locking hook is engaged in the locking groove, and the suction nozzle extends into the receiving groove; When the middle cover is placed on the main cover, the suction nozzle is connected to the connecting pipe, and the blocking protrusion passes through the second through hole; When the middle cover is fitted onto the main cover and the slide lock is in the locked state, the blocking protrusion extends into the second through hole and the second locking arm extends into the side groove. The slide lock, which abuts against the protrusion and the blocking protrusion, is used to prevent the button from being pressed and to prevent the middle cover from being opened from the main cover. When the middle cover is fitted onto the main cover and the slide lock is in the unlocked state, the second locking arm disengages from the side groove; pressing the slide lock causes the first locking arm to drive the lock hook out of the lock groove, and the upper cover opens from the middle cover; moving the middle cover causes the blocking protrusion to disengage from the second through hole, and the middle cover opens from the main cover.

2. The double-locking cup lid according to claim 1, characterized in that, The blocking protrusion has a first inclined surface on the side opposite to the side groove, and the inner wall of the second through hole has a receiving inclined hole for accommodating the blocking protrusion. As the middle cover closes onto the main cover, the second locking arm slides along the first inclined surface to guide the second locking arm away from the side groove.

3. The double-locking cup lid according to claim 1, characterized in that, The middle cover assembly also includes an elastic element, which is installed in the mounting groove and abuts against the button.

4. The double-locking cup lid according to claim 1, characterized in that, The double-lock cup lid also includes a shaft and a torsion elastic element. The upper cover and the middle cover are rotatably mounted on the main cover via the shaft. The opposite ends of the torsion elastic element abut against the upper cover and the main cover, respectively.

5. The double-locking cup lid according to claim 1, characterized in that, The double-lock cup lid also includes a straw connected to the connecting tube. The straw has a first inner hole, and the connecting tube has a second inner hole. The first inner hole communicates with the second inner hole. The nozzle is provided with a third inner hole; when the middle cover is closed on the main cover, the third inner hole communicates with the second inner hole.

6. The double-locking cup lid according to claim 1, characterized in that, The main cover is also provided with a locking protrusion on its side wall, and the middle cover is also provided with a third through hole, which is located between the first through hole and the second through hole. When the middle cover is placed on the main cover, the suction nozzle is connected to the connecting pipe, the blocking protrusion passes through the second through hole, and the locking protrusion is inserted into the third through hole.

7. The double-locking cup lid according to claim 1, characterized in that, The bottom wall of the receiving groove is also provided with a fourth through hole and a fifth through hole spaced apart; The button is provided with a first plug-in portion and a second plug-in portion spaced apart; the first plug-in portion is slidably inserted into the fourth through hole, and the second plug-in portion is slidably inserted into the fifth through hole.

8. The double-locking cup lid according to claim 1, characterized in that, The middle cover is also equipped with a sliding flange.

9. A container, characterized in that, The cup includes a cup body and a double-locking cup lid as described in any one of claims 1 to 8, wherein the main lid body is detachably mounted on the cup body.

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