Cup cover capable of being prevented from being opened by mistaken touch

Abstract

The invention relates to the field of articles for daily use, in particular to a cup lid capable of preventing mistaken touch opening, which comprises a base and a flip cover, the base is rotatably connected with the flip cover, a drinking unit is arranged on the base, the cup lid further comprises a holding piece and a connecting disc which are rotatably connected with each other, the connecting disc is slidably connected to the flip cover, and a first clamping hook is arranged on the connecting disc. A second clamping hook is correspondingly arranged on the base, a circular stopping part is arranged on the holding piece, an avoiding notch is formed in the circular stopping part, and the turning cover is provided with a stopping block used for stopping the circular stopping part; when the avoiding notch is aligned with the stop block, the connecting disc can slide and enable the first clamping hook and the second clamping hook to be separated from each other; the invention provides a cup cover capable of preventing mistaken touch opening. The problems that a traditional cup cover is prone to mistaken touch opening, and use is not convenient enough are solved.

Description

Technical Field

[0001] The invention relates to the field of daily necessities, and in particular to a cup cover capable of preventing accidental opening. Background Art

[0002] Nowadays, people's main drinking utensil when going out is a cup. Common cups are easy to carry and use, and there are many types to choose from, which greatly enriches people's daily life. However, the cup cover used to ensure the sealing of the cup and prevent the water and other liquids in the cup from flowing out is often overlooked by people, especially the flip-top cup, because there is a pressing device on the cup cover. While it is convenient for users to drink water, the cup cover is also very easy to open due to the user's accidental touching of the pressing device or the collision of the pressing device with a hard object during the process of carrying and taking. The water and other liquids in the cup cover leak out, affecting the overall sealing of the cup, and it is not convenient to use. Summary of the invention

[0003] In order to solve the above problems, the present invention proposes a cup cover that can be opened by accidental touch, which solves the problem that the traditional cup cover can be easily opened by accidental touch and is not convenient to use.

[0004] The technical solution adopted by the present invention is: a cup lid that prevents accidental opening, comprising a base and a flip cover, the base and the flip cover are rotatably connected, the base is provided with a drinking unit, and also comprises a holding piece and a connecting plate that are rotatably connected to each other, the connecting plate is slidably connected to the flip cover, the connecting plate is provided with a first hook, the base is correspondingly provided with a second hook, the holding piece is provided with a circular stopper, the circular stopper is provided with an avoidance notch, and the flip cover is provided with a block for blocking the circular stopper; when the avoidance notch is aligned with the block, the connecting plate can slide and make the first hook and the second hook disengage from each other.

[0005] Through the above technical solution, the user drives the holding piece to rotate until the avoidance notch on the circular stop portion is aligned with the stop block on the flip cover, and then drives the holding piece to slide on the flip cover, driving the connecting plate to slide, so that the first hook and the second hook are disengaged from each other, and the user can open the flip cover on the base; the user needs to rotate the holding piece into place and then slide the connecting plate to unlock the base and the flip cover, which effectively avoids the situation where the cup cover will open when it is accidentally touched or collides with hard objects, greatly improving the overall safety of the cup cover, and making it very convenient for users to carry and use.

[0006] Furthermore, an abutment plate is provided on the connection disk, a limiting opening is correspondingly provided on the flip cover, the abutment plate is located in the limiting opening, and an elastic member is provided for abutment between the abutment plate and the inner wall of the limiting opening.

[0007] Through the above technical solution, the elastic member abutting between the abutment plate and the inner wall of the limiting opening enables the user to only remove the driving force applied to the connecting disk after the connecting disk slides on the flip cover, and the elastic member will rebound and reset, so that the connecting disk can return to its initial position in time, which is more convenient to use.

[0008] Furthermore, an arc-shaped limit groove is provided on the connecting disk, and a limit block is correspondingly provided at the bottom of the holding piece, and the limit block is movably connected in the arc-shaped limit groove; when the holding piece is rotated to a first position relative to the connecting disk, the limit block abuts one end of the arc-shaped limit groove, and the avoidance gap and the block are staggered; when the holding piece is rotated to a second position relative to the connecting disk, the limit block abuts the other end of the arc-shaped limit groove, and the avoidance gap and the block are aligned.

[0009] Through the above technical solution, the limit block is movably connected in the arc-shaped limit groove, so that the holding piece is very stable as a whole during rotation, preventing the holding piece from being offset, etc.; the limit block can respectively abut against the two ends of the arc-shaped limit groove so that the user can be blocked in time when rotating the holding piece, preventing the holding piece from excessively rotating on the flip cover.

[0010] Furthermore, a first stop protrusion and a second stop protrusion are provided at the bottom of the arc-shaped limit groove, the first stop protrusion is close to one end of the arc-shaped limit groove, and the second stop protrusion is close to the other end of the arc-shaped limit groove; when the holding piece is rotated to a first position relative to the connecting disk, the limit block is locked between the end corresponding to the arc-shaped limit groove and the first stop protrusion; when the holding piece is rotated to a second position relative to the connecting disk, the limit block is locked between the end corresponding to the arc-shaped limit groove and the second stop protrusion.

[0011] Through the above technical solution, when the user opens the flip cover, the limit block is locked between the end corresponding to the arc-shaped limit groove and the first stop protrusion, and when the user closes the flip cover, the limit block is locked between the end corresponding to the arc-shaped limit groove and the second stop protrusion, so that when the holding piece is rotated to the first position or the second position, the positions of the holding piece and the connecting disk are relatively fixed, avoiding the situation where the holding piece rotates after the user removes the driving force applied to the holding piece, etc., and is more convenient to use.

[0012] Furthermore, a avoidance hole is provided on the connection disk, and an annular flange is provided on the edge of the circular stop portion, and the annular flange is snap-connected with the avoidance hole.

[0013] Through the above technical solution, the annular flange and the avoidance hole are snap-fitted to make the connection between the connecting plate and the holding piece very firm, making the assembly and use of the flip cover more convenient.

[0014] Furthermore, the holding piece includes a bottom plate and an extension plate connected to each other, the flip cover is provided with a receiving groove for mounting the bottom plate, the circular stop portion is provided on the bottom plate, and a mounting hole is provided on the extension plate.

[0015] Through the above technical solution, the setting of the mounting hole allows the user to grasp the holding piece very conveniently, and the user can apply driving force to the holding piece through the mounting hole, which is more convenient to use.

[0016] Furthermore, a rotation mark is provided on the flip cover, and an opening mark is provided on the holding piece.

[0017] Through the above technical solution, the rotation mark set on the flip cover and the opening mark set on the holding piece enable the user to accurately drive the holding piece, making the holding piece very simple and more convenient to use.

[0018] Furthermore, the flip cover includes an outer shell and a supporting seat that are connected to each other, the supporting seat is arranged in the outer shell, a positioning hole for the first hook to pass through is provided on the supporting seat, the stop block is located on the supporting seat, the connecting disk is arranged in the outer shell, the supporting seat is located between the connecting disk and the base, and the connecting disk and the supporting seat are slidably connected; the outer shell and the base are rotatably connected, and a torsion spring is provided at the connection between the outer shell and the base.

[0019] Through the above technical solution, the arrangement of the shell and the supporting seat makes the assembly of the flip cover very convenient. The torsion spring arranged at the connection between the shell and the base enables the flip cover to open automatically under the elastic force of the torsion spring after the flip cover is unlocked, without the need for the user to manually open the flip cover, which makes it more convenient to use.

[0020] Furthermore, an arc-shaped groove and a positioning convex strip are provided on the outer side wall of the supporting seat, the positioning convex strip passes through the arc-shaped groove, the inner wall of the outer shell is provided with an arc-shaped convex strip corresponding to the arc-shaped groove, the arc-shaped groove and the arc-shaped convex strip are clamped together, and the inner wall of the outer shell is provided with a positioning groove corresponding to the positioning convex strip, the positioning convex strip and the positioning groove are clamped together, and the positioning groove passes through the arc-shaped convex strip.

[0021] Through the above technical solution, the arc groove and the arc convex strip are clamped together, and the positioning convex strip and the positioning groove are clamped together, so that the connection between the supporting seat and the shell is very stable, and the bearing capacity of the overall structure of the flip cover is higher. The supporting seat and the shell can be manufactured separately, which greatly reduces the production cost of the flip cover and makes assembly more convenient.

[0022] Furthermore, the drinking water unit is a drinking water hole, and a sealing plug for sealing the drinking water hole is provided on the supporting seat.

[0023] Through the above technical solution, the cooperation between the drinking hole and the sealing plug makes the overall sealing of the cup cover better and more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 is a cross-sectional view of the present invention;

[0027] Figure 3 An exploded view of the present invention;

[0028] Figure 4 This is one of the schematic diagrams of the structure of the holding piece of the present invention;

[0029] Figure 5 This is the second schematic diagram of the structure of the holding piece of the present invention;

[0030] Figure 6 This is one of the schematic diagrams of the connection disk structure of the present invention;

[0031] Figure 7 This is the second schematic diagram of the connection disk structure of the present invention;

[0032] Figure 8 This is one of the schematic diagrams of the housing structure of the present invention;

[0033] Fig. 9 This is the second schematic diagram of the housing structure of the present invention;

[0034] Fig.10 This is one of the structural schematic diagrams of the support seat of the present invention;

[0035] Fig.11 This is the second structural schematic diagram of the supporting seat of the present invention;

[0036] Fig.12 It is a schematic diagram of the base structure of the present invention;

[0037] The invention number information is as follows:

[0038] 1. Base; 2. Flip cover; 201. Shell; 202. Support seat; 3. Drinking water unit; 4. Holding piece; 401. Bottom plate; 402. Extension plate; 5. Connecting plate; 6. First hook; 7. Second hook; 8. Circular stopper; 9. Avoidance gap; 10. Stopper; 11. Abutment plate; 12. Limiting opening; 13. Elastic member; 14. Arc-shaped limiting groove; 15. Limiting block; 16. First stopper protrusion; 17. Second stopper protrusion; 18. Avoidance hole; 19. Annular flange; 20. Mounting hole; 21. Rotation mark; 22. Open mark; 23. Torsion spring; 24. Arc-shaped groove; 25. Positioning convex strip; 26. Arc-shaped convex strip; 27. Positioning groove; 28. Sealing plug; 29. ​​Positioning hole; 30. Accommodating groove; 31. First inclined surface; 32. Second inclined surface; 33. Third inclined surface;

[0039] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0042] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0043] See also Figures 1 to 12As shown, a cup cover that prevents accidental opening includes a base 1 and a flip cover 2, which are rotatably connected. The base 1 is provided with a drinking unit 3, and also includes a holding piece 4 and a connecting plate 5 that are rotatably connected to each other. The connecting plate 5 is slidably connected to the flip cover 2, and a first hook 6 is provided on the connecting plate 5. The base 1 is correspondingly provided with a second hook 7. A circular stopper 8 is provided on the holding piece 4, and an avoidance notch 9 is provided on the circular stopper 8. The flip cover 2 is provided with a block 10 for blocking the circular stopper 8. When the avoidance notch 9 is aligned with the block 10, the connecting plate 5 can slide and disengage the first hook 6 and the second hook 7 from each other. The user drives the holding piece 4 to rotate until the avoidance notch 9 on the circular stop portion 8 is aligned with the stop block 10 on the flip cover 2, and then drives the holding piece 4 to slide on the flip cover 2, driving the connecting plate 5 to slide, so that the first hook 6 and the second hook 7 are disengaged from each other, and the user can open the flip cover 2 on the base 1; the user needs to rotate the holding piece 4 into place and then slide the connecting plate 5 to unlock the base 1 and the flip cover 2, which effectively prevents the cup cover from opening when accidentally touched or collides with hard objects, greatly improving the overall safety of the cup cover, and making it very convenient for the user to carry and use.

[0044] Preferably, there are two first hooks 6 on the connecting plate 5 , and the two first hooks 6 are symmetrically arranged. There are two second hooks 7 on the base 1 , and the two second hooks 7 are symmetrically arranged.

[0045] See also Figure 2 , 3 As shown in FIGS. 7 and 10 , an abutment plate 11 is provided on the connection disk 5, and a limit opening 12 is correspondingly provided on the flip cover 2. The abutment plate 11 is located in the limit opening 12, and an elastic member 13 is provided to abut against the inner wall of the abutment plate 11 and the limit opening 12. The elastic member 13 abutting against the inner wall of the limit opening 12 enables the user to remove the driving force applied to the connection disk 5 after the connection disk 5 slides on the flip cover 2, and the elastic member 13 will rebound and reset, so that the connection disk 5 can return to the initial position in time, which is more convenient to use.

[0046] Preferably, the elastic member 13 is a spring, which is convenient for factory production.

[0047] See also Figure 3 , 5As shown in Figures 6 and 7, an arc-shaped limiting groove 14 is provided on the connecting disk 5, and a limiting block 15 is correspondingly provided at the bottom of the holding member 4, and the limiting block 15 is movably connected in the arc-shaped limiting groove 14; when the holding member 4 rotates to the first position relative to the connecting disk 5, the limiting block 15 abuts one end of the arc-shaped limiting groove 14 to avoid the gap 9 and the stopper 10 from being staggered; when the holding member 4 rotates to the second position relative to the connecting disk 5, the limiting block 15 abuts the other end of the arc-shaped limiting groove 14 to avoid the gap 9 and the stopper 10 from being aligned. The limiting block 15 is movably connected in the arc-shaped limiting groove 14, so that the holding member 4 is very stable as a whole during the rotation process, and the holding member 4 is prevented from being offset, etc.; the limiting block 15 can abut against both ends of the arc-shaped limiting groove 14 respectively, so that the user can be blocked in time when rotating the holding member 4, and the holding member 4 is prevented from being excessively rotated on the flip cover 2.

[0048] Preferably, the angle of rotation of the limiting block 15 from the first position to the second position on the arc-shaped limiting groove 14 is 90 degrees.

[0049] See also Figure 6 As shown, a first stop protrusion 16 and a second stop protrusion 17 are provided at the bottom of the arc-shaped limit groove 14, the first stop protrusion 16 is close to one end of the arc-shaped limit groove 14, and the second stop protrusion 17 is close to the other end of the arc-shaped limit groove 14; when the holding member 4 is rotated to the first position relative to the connecting disk 5, the limit block 15 is locked between the end corresponding to the arc-shaped limit groove 14 and the first stop protrusion 16; when the holding member 4 is rotated to the second position relative to the connecting disk 5, the limit block 15 is locked between the end corresponding to the arc-shaped limit groove 14 and the second stop protrusion 17. When the user opens the flip cover 2, the limit block 15 is locked between the end corresponding to the arc-shaped limit groove 14 and the first stop protrusion 16. When the user closes the flip cover 2, the limit block 15 is locked between the end corresponding to the arc-shaped limit groove 14 and the second stop protrusion 17, so that when the holding piece 4 is rotated to the first position or the second position, the positions of the holding piece 4 and the connecting plate 5 are relatively fixed, avoiding the holding piece 4 from rotating after the user removes the driving force applied to the holding piece 4, etc., which is more convenient to use.

[0050] Preferably, the first stop protrusion 16 and the second stop protrusion 17 have the same contour shape, the first stop protrusion 16 is provided with a first inclined surface 31 on both sides, the second stop protrusion 17 is provided with a second inclined surface 32 on both sides, and the limit block 15 is correspondingly provided with a third inclined surface 33. The third inclined surface 33 cooperates with the first inclined surface 31 and the second inclined surface 32 to make it easier and faster for the user to rotate the holding piece 4.

[0051] See also Figure 2 , 3As shown in FIGS. 5, 6 and 7, the connection plate 5 is provided with an escape hole 18, and the edge of the circular stopper 8 is provided with an annular flange 19, and the annular flange 19 is engaged with the escape hole 18. The engagement of the annular flange 19 with the escape hole 18 makes the connection between the connection plate 5 and the grip 4 very firm, making the assembly and use of the flip cover 2 more convenient.

[0052] See also Figure 1 to Figure 5 As shown, the gripping member 4 includes a bottom plate 401 and an extension plate 402 connected to each other, a receiving groove 30 for mounting the bottom plate 401 is provided on the flip cover 2, a circular stopper 8 is provided on the bottom plate 401, and a mounting hole 20 is provided on the extension plate 402. The provision of the mounting hole 20 allows the user to grasp the gripping member 4 very conveniently, and the user can apply a driving force to the gripping member 4 through the mounting hole 20, which makes it more convenient to use.

[0053] Preferably, the bottom plate 401 and the extension plate 402 are integrally formed.

[0054] See also Figure 1 , 3 As shown in FIGS. 4 and 8, a rotation mark 21 is provided on the flip cover 2, and an opening mark 22 is provided on the holding member 4. The rotation mark 21 provided on the flip cover 2 and the opening mark 22 provided on the holding member 4 enable the user to accurately drive the holding member 4, making the holding member 4 very simple and more convenient to use.

[0055] Preferably, the rotation mark 21 is an unlocking pattern and an unlocking pattern, and is provided with an arrow of the corresponding rotation direction, and the opening mark 22 is a pattern of the word OPEN and is provided with a corresponding sliding direction arrow, so that the user can quickly learn how to use the holding piece 4.

[0056] See also Figure 1 , 2 As shown in Figures 3, 8, 9, 10 and 11, the flip cover 2 includes a housing 201 and a support seat 202 which are connected to each other. The support seat 202 is arranged in the housing 201. The support seat 202 is provided with a positioning hole 29 for the first hook 6 to pass through. The stopper 10 is located on the support seat 202. The connecting plate 5 is arranged in the housing 201. The support seat 202 is located between the connecting plate 5 and the base 1. The connecting plate 5 and the support seat 202 are slidably connected. The housing 201 and the base 1 are rotatably connected. A torsion spring 23 is arranged at the connection between the housing 201 and the base 1. The arrangement of the housing 201 and the support seat 202 makes the assembly of the flip cover 2 very convenient. The torsion spring 23 arranged at the connection between the housing 201 and the base 1 enables the flip cover 2 to be automatically opened under the elastic force of the torsion spring 23 after the unlocking state is released. The user does not need to manually open the flip cover 2, which is more convenient to use.

[0057] Preferably, there are two positioning holes 29 on the supporting seat 202, and the two positioning holes 29 are symmetrically arranged.

[0058] See also Figure 3 , 9 As shown in 10 and 11, an arcuate groove 24 and a positioning convex strip 25 are provided on the outer wall of the support seat 202, and the positioning convex strip 25 passes through the arcuate groove 24. An arcuate convex strip 26 is provided on the inner wall of the shell 201 corresponding to the arcuate groove 24, and the arcuate groove 24 and the arcuate convex strip 26 are engaged. A positioning groove 27 is provided on the inner wall of the shell 201 corresponding to the positioning convex strip 25, and the positioning convex strip 25 and the positioning groove 27 are engaged, and the positioning groove 27 passes through the arcuate convex strip 26. The engagement of the arcuate groove 24 and the arcuate convex strip 26, and the engagement of the positioning convex strip 25 and the positioning groove 27 make the connection between the support seat 202 and the shell 201 very stable, and the bearing capacity of the overall structure of the flip cover 2 is higher. The support seat 202 and the shell 201 can be manufactured separately, which greatly reduces the production cost of the flip cover 2 and makes it more convenient to assemble.

[0059] Preferably, the number of arc grooves 24 and positioning ridges 25 on the supporting seat 202 is two, and the two arc grooves 24 are symmetrically arranged, and the two positioning ridges 25 are symmetrically arranged; the number of arc ridges 26 and positioning grooves 27 on the outer shell 201 is two, and the two arc ridges 26 are symmetrically arranged, and the two positioning grooves 27 are symmetrically arranged.

[0060] See also Figure 2 , 3 As shown in 11 and 12, the drinking water unit 3 is a drinking water hole, and a sealing plug 28 for blocking the drinking water hole is provided on the supporting seat 202. The cooperation between the drinking water hole and the sealing plug 28 makes the overall sealing of the cup cover better and more convenient to use.

[0061] When the present invention is in use, the user can put his hand into the mounting hole 20 and drive the holding piece 4 to rotate on the connecting disk 5, so that the limit block 15 and the first stop protrusion 16 are out of contact, and the limit block 15 can move in the arc limit groove 14 until the holding piece 4 rotates to a position where the limit block 15 is locked between the end corresponding to the arc limit groove 14 and the second stop protrusion 17, so that the avoidance notch 9 on the circular stop portion 8 is aligned with the stop block 10 on the flip cover 2, and then the holding piece 4 is driven to slide on the outer shell 201, driving the connecting disk 5 to slide on the supporting seat 202, then the abutment plate 11 moves synchronously and compresses the elastic member 13, so that the first hook 6 can move in the positioning hole 29, until the first hook 6 and the second hook 7 are disengaged from each other, then the flip cover 2 is unlocked, and the flip cover 2 is automatically opened under the elastic force of the torsion spring 23, and the user can drink water, beverages and other liquids through the drinking hole on the base 1.

[0062] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A cup cover that can be opened by accidental touch, comprising a base (1) and a flip cover (2), wherein the base (1) and the flip cover (2) are rotatably connected, and a drinking water unit (3) is arranged on the base (1), characterized in that: The invention also comprises a holding member (4) and a connecting plate (5) which are rotatably connected to each other, wherein the connecting plate (5) is slidably connected to the flip cover (2), a first hook (6) is arranged on the connecting plate (5), and a second hook (7) is correspondingly arranged on the base (1), a circular stopper (8) is arranged on the holding member (4), and an avoidance notch (9) is arranged on the circular stopper (8), and the flip cover (2) is provided with a stopper (10) for blocking the circular stopper (8); when the avoidance notch (9) is aligned with the stopper (10), the connecting plate (5) can slide and make the first hook (6) and the second hook (7) disengage from each other.

2. The cup cover for preventing accidental opening according to claim 1, characterized in that: The connecting plate (5) is provided with an abutment plate (11), and the flip cover (2) is correspondingly provided with a limiting opening (12); the abutment plate (11) is located in the limiting opening (12), and an elastic member (13) is provided in abutment with the inner wall of the limiting opening (12).

3. The cup cover for preventing accidental opening according to claim 1 or 2, characterized in that: An arc-shaped limit groove (14) is arranged on the connecting disk (5), and a limit block (15) is correspondingly arranged at the bottom of the holding piece (4), and the limit block (15) is movably connected in the arc-shaped limit groove (14); when the holding piece (4) rotates to a first position relative to the connecting disk (5), the limit block (15) abuts against one end of the arc-shaped limit groove (14), and the avoidance gap (9) and the stop block (10) are staggered; when the holding piece (4) rotates to a second position relative to the connecting disk (5), the limit block (15) abuts against the other end of the arc-shaped limit groove (14), and the avoidance gap (9) and the stop block (10) are aligned.

4. The cup cover for preventing accidental opening according to claim 3, characterized in that: A first stop protrusion (16) and a second stop protrusion (17) are provided at the bottom of the arc-shaped limit groove (14), wherein the first stop protrusion (16) is close to one end of the arc-shaped limit groove (14), and the second stop protrusion (17) is close to the other end of the arc-shaped limit groove (14); when the holding piece (4) is rotated to a first position relative to the connecting disk (5), the limit block (15) is locked between the end corresponding to the arc-shaped limit groove (14) and the first stop protrusion (16); when the holding piece (4) is rotated to a second position relative to the connecting disk (5), the limit block (15) is locked between the end corresponding to the arc-shaped limit groove (14) and the second stop protrusion (17).

5. The cup cover for preventing accidental opening according to claim 1, 2 or 4, characterized in that: The connecting disk (5) is provided with an avoidance hole (18), the edge of the circular stopper (8) is provided with an annular flange (19), and the annular flange (19) is snap-connected with the avoidance hole (18).

6. The cup cover for preventing accidental opening according to claim 5, characterized in that: The holding member (4) comprises a base plate (401) and an extension plate (402) which are connected to each other, the flip cover (2) is provided with a receiving groove (30) for mounting the base plate (401), the circular stopper (8) is arranged on the base plate (401), and the extension plate (402) is provided with a mounting hole (20).

7. The cup cover for preventing accidental opening according to claim 1, 2, 4 or 6, characterized in that: The flip cover (2) is provided with a rotation mark (21), and the holding piece (4) is provided with an opening mark (22).

8. The cup cover for preventing accidental opening according to claim 1, 2, 4 or 6, characterized in that: The flip cover (2) comprises a shell (201) and a supporting seat (202) which are connected to each other. The supporting seat (202) is arranged in the shell (201). A positioning hole (29) for the first hook (6) to pass through is arranged on the supporting seat (202). The stopper (10) is located on the supporting seat (202). The connecting plate (5) is arranged in the shell (201). The supporting seat (202) is located between the connecting plate (5) and the base (1). The connecting plate (5) and the supporting seat (202) are slidably connected. The shell (201) and the base (1) are rotatably connected. A torsion spring (23) is arranged at the connection between the shell (201) and the base (1).

9. The cup cover for preventing accidental opening according to claim 8, characterized in that: An arc-shaped groove (24) and a positioning convex strip (25) are provided on the outer wall of the supporting seat (202), and the positioning convex strip (25) passes through the arc-shaped groove (24). An arc-shaped convex strip (26) is provided on the inner wall of the outer shell (201) corresponding to the arc-shaped groove (24), and the arc-shaped groove (24) and the arc-shaped convex strip (26) are snap-fitted. A positioning groove (27) is provided on the inner wall of the outer shell (201) corresponding to the positioning convex strip (25), and the positioning convex strip (25) and the positioning groove (27) are snap-fitted, and the positioning groove (27) passes through the arc-shaped convex strip (26).

10. The cup cover for preventing accidental opening according to claim 9, characterized in that: The drinking water unit (3) is a drinking water hole, and a sealing plug (28) for sealing the drinking water hole is provided on the supporting seat (202).

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