Cup cover capable of preventing water leakage

Abstract

The utility model discloses a cup cover capable of preventing water leakage. The cup cover comprises a turning cover, a locking assembly and a cup cover body, the turning cover is rotationally connected to the top of the cup cover body, a direct drinking opening and a straw insertion opening are formed in the top of the cup cover body, a straw is arranged in the straw insertion opening, a connecting opening is formed in the bottom of the cup cover body, and the direct drinking opening is communicated with the connecting opening. A guide cylinder is arranged at the position, corresponding to the straw inserting opening, in the connecting opening, the top of the guide cylinder is communicated with the straw inserting opening, the lower portion of the straw penetrates through the guide cylinder and downwards extends out of the connecting opening, an elastic assembly used for ejecting the upper portion of the straw out of the straw inserting opening is arranged in the guide cylinder, and a damping leakage-proof sleeve is arranged at the bottom of the guide cylinder. A second through hole for the lower portion of the straw to penetrate through is formed in the damping leakage-proof sleeve, and the second through hole is in interference fit with the straw. According to the cup, water in the cup can be prevented from flowing out through a gap between the straw and the straw insertion opening, the leakage-proof performance is good, the straw cannot make a sound when popped out, and the user experience is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to cup cover technical field, especially a cup cover of preventing water leakage. BACKGROUND

[0002] The existing cup cover usually is equipped with two drinking mouths of straight drinking mouth and straw socket, the straw socket is equipped with the straw that can suck the water in the water cup, the straw is connected with the cup cover through the elastic component, the elastic component drives the straw to pop up when the cup cover opens, and the user can use two drinking mouths according to the demand, and the structure is convenient to use, but when drinking and pouring water with the straight drinking mouth, the water in the water cup is easy to flow out through the gap between the straw and the straw socket, leads to the water leakage of cup cover, and the water after flowing out can contact with the face of the user, influences the user to drink.In addition, the straw is driven to pop up and rub with the cup cover when the elastic component, and the sound is emitted, influences the user experience. SUMMARY

[0003] The utility model discloses in order to solve the above-mentioned technical problem, provides a cup cover of preventing water leakage, can avoid the water in the water cup and flow out through the gap between the straw and the straw socket, and the good leakproofness is prevented, and the straw does not emit the sound when popping out, and the user experience is good.

[0004] In order to solve the above-mentioned problem, the utility model discloses the following technical scheme to realize:

[0005] The utility model discloses a cup cover of preventing water leakage, including the cover, locking assembly and cup cover body, the cover is rotatably connected in cup cover body top, the locking assembly is used for locking / unlocking the cover with cup cover body, the cup cover body top is equipped with straight drinking mouth and straw socket, the straw socket is equipped with the straw in, the cup cover body bottom is equipped with the connecting mouth, the straight drinking mouth is connected with the connecting mouth, the connecting mouth is equipped with the guide cylinder in the straw socket position, the guide cylinder top is connected with the straw socket, the straw lower part passes through the guide cylinder and stretches out the connecting mouth downward, the guide cylinder is equipped with the elastic component for the straw upper part and pushes out the straw socket in, the guide cylinder bottom is equipped with the damping leakproof cover, the damping leakproof cover is equipped with the second through -hole of the straw lower part and passes through, the second through -hole is in interference fit with the straw, when the cover is covered in cup cover body top, the cover will straight drinking mouth, the straw is blocked and the straw upper part is pressed down to the straw socket in.

[0006] In this design, after the locking component unlocks the flip cover from the cup lid, the flip cover flips up, and the bottom of the flip cover no longer abuts against the straw. The straw moves upward under the action of the elastic component, which pushes the upper part of the straw out of the straw insertion port. During the movement of the straw, the second through hole in the damping leak-proof sleeve is always in interference fit with the straw, preventing water in the cup from flowing to the outside through the gap between the straw and the guide tube from the straw insertion port. In addition, during the straw popping out, the second through hole in the damping leak-proof sleeve dampens the straw, causing the straw to pop out slowly. The entire popping process is silent.

[0007] Preferably, the elastic component includes a spring disposed within the guide tube, an upper limit ring is disposed at the upper part of the suction tube, a lower limit ring is disposed at the lower part of the guide tube, the damping leak-proof sleeve includes a sleeve and a leak-proof plate, the sleeve is fitted to the lower outer wall of the guide tube, the leak-proof plate is located below the lower limit ring and is fitted to the lower limit ring, the second through hole is disposed on the leak-proof plate, and the upper and lower ends of the spring abut against the upper limit ring and the lower limit ring respectively.

[0008] Preferably, the straw insertion port is provided with a slider that can slide up and down along the straw insertion port, and the slider is sleeved on the outside of the straw.

[0009] Preferably, the outer diameter of the guide cylinder gradually decreases from top to bottom.

[0010] The outer diameter of the guide tube gradually decreases from top to bottom to facilitate the installation of the damping and leak-proof sleeve at the bottom of the guide tube.

[0011] Preferably, the locking component includes a button, a button groove on one side of the top of the cup lid body, a connecting slider on the inner side of the button, limit sliders symmetrically arranged on the left and right sides of the connecting slider, a limit groove corresponding to the position of the button groove and the limit groove being arranged in a front-back direction, the limit slider being able to slide along the corresponding limit groove, a spring being provided between the connecting slider and the corresponding side of the button groove, a fourth through hole being provided at the top of the connecting slider, a hook being provided in the fourth through hole near the side of the cup lid body, a locking plate corresponding to the position of the fourth through hole being provided on the flip cover, a locking groove corresponding to the position of the hook being provided on the locking plate, the locking groove matching the hook, when the flip cover is closed, the locking plate extends into the fourth through hole, and the hook extends into the locking groove.

[0012] Preferably, the top of the hook claw is provided with a first inclined surface that slopes outward from top to bottom, and the bottom of the locking plate is provided with a second inclined surface that slopes outward from top to bottom.

[0013] During the closing process of the flip cover, the second inclined surface at the bottom of the locking plate contacts the first inclined surface at the top of the hook claw. The second inclined surface presses against the first inclined surface, causing the hook claw to drive the connecting slider to move inward, which facilitates the closing of the flip cover.

[0014] Preferably, the cover is provided with a plug corresponding to the straight drinking opening position.

[0015] Preferably, the damping leak-proof sleeve is made of silica gel.

[0016] Preferably, the cover is provided with a torsional spring at the rotating connection with the cup cover body.

[0017] Preferably, the cover is provided with a lower pressing plate corresponding to the position of the sliding block, and the lower pressing plate presses the sliding block downward when the cover is locked with the cup cover body.

[0018] The utility model discloses the beneficial effect is: torsional spring can be in the cover with the cup cover body unlocking automatically with the cover upward bounce up, the elastic component can be in the cover opening automatically with the upper part of straw of straw socket, when the straw moves, the second through -hole in damping leak -proof sleeve always with the interference fit of straw, avoid the water in the water cup and pass through the gap between straw and guide cylinder from straw socket to the outside from straw. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the utility model;

[0020] Figure 2 It is the structure schematic diagram of the utility model after removing the cover;

[0021] Figure 3 It is the structure schematic diagram of the button and the connecting sliding block in the utility model;

[0022] Figure 4 It is the sectional view of the utility model;

[0023] Figure 5 It is the structure schematic diagram of the damping leak -proof sleeve in the utility model;

[0024] Figure 6 It is the structure schematic diagram of the cover in the utility model.

[0025] In the drawing: 1, cover, 11, locking plate, 111, locking groove, 12, plug, 2, cup cover body, 21, connecting port, 22, guide cylinder, 221, lower limit ring, 3, straight drinking opening, 4, straw socket, 41, straw, 411, upper limit ring, 42, sliding block, 5, damping leak -proof sleeve, 51, second through -hole, 52, sleeve, 53, leak -proof sheet, 6, first spring, 7, button, 71, connecting sliding block, 711, limit sliding block, 712, limit sliding slot, 72, second spring, 73, fourth through -hole, 731, hook, 8, lower pressing plate. DETAILED DESCRIPTION

[0026] The technical scheme of the utility model will be further specifically explained in the embodiment and in conjunction with the drawings.

[0027] Example: A leak-proof cup lid according to this example, such as... Figures 1 to 6 As shown, the cup includes a flip cover 1, a locking assembly, and a cup lid body 2. The flip cover 1 is rotatably connected to the top of the cup lid body 2. The locking assembly is used to lock / unlock the flip cover 1 and the cup lid body 2. The top of the cup lid body 2 has a drinking spout 3 and a straw inlet 4. A straw 41 is installed in the straw inlet 4. The bottom of the cup lid body 2 has a connection port 21, which communicates with the drinking spout 3. A guide tube 22 is installed in the connection port 21 corresponding to the position of the straw inlet 4. The top of the guide tube 22 communicates with the straw inlet 4. The lower part of the straw 41 passes through the guide tube 22 and extends downward out of the connection port 21. The guide tube 22 has an elastic assembly for pushing the upper part of the straw 41 out of the straw inlet 4. The bottom of the guide tube 22 has a damping leak-proof sleeve 5. The damping leak-proof sleeve 5 has a second through hole 51 for the lower part of the straw 41 to pass through. The second through hole 51 is press-fitted with the straw 41. The damping leak-proof sleeve 5 is made of silicone.

[0028] The elastic component includes a first spring 6 disposed inside the guide tube 22, an upper limit ring 411 disposed on the upper part of the suction tube 41, a lower limit ring 221 disposed on the lower part of the guide tube 22, and a damping leak-proof sleeve 5 including a sleeve 52 and a leak-proof plate 53. The sleeve 52 is fitted to the lower outer wall of the guide tube 22, and the leak-proof plate 53 is located below the lower limit ring 221 and is fitted to the lower limit ring 221. A second through hole 51 is disposed on the leak-proof plate 53, and the upper and lower ends of the first spring 6 abut against the upper limit ring 411 and the lower limit ring 221, respectively.

[0029] The straw insertion port 4 is provided with a slider 42 that can slide up and down along the straw insertion port 4, and the slider 42 is sleeved on the outside of the straw 41.

[0030] The outer diameter of the guide cylinder 22 gradually decreases from top to bottom.

[0031] The locking assembly includes a button 7. A button groove is provided on one side of the top of the cup lid body 2. A connecting slider 71 is provided inside the button 7. Limiting sliders 711 are symmetrically arranged on the left and right sides of the connecting slider 71. A limiting groove 712 is provided at the position of the button groove corresponding to the position of the limiting slider 711. The limiting groove 712 is arranged in a front-back direction. The limiting slider 711 can slide along the corresponding limiting groove 712. A second spring 72 is provided between the connecting slider 71 and the corresponding side of the button groove. A fourth through hole 73 is provided at the top of the connecting slider 71. A hook 731 is provided in the fourth through hole 73 near the side of the cup lid body 2. A locking plate 11 is provided on the flip cover 1 at the position of the fourth through hole 73. A locking groove 111 is provided on the locking plate 11 at the position of the hook 731. The locking groove 111 matches the hook 731.

[0032] The top of the hook 731 is provided with a first inclined surface that slopes outward from top to bottom, and the bottom of the locking plate 11 is provided with a second inclined surface that slopes outward from top to bottom.

[0033] The cover 1 is provided with a plug 12 corresponding to the straight drinking opening 3.

[0034] The cover 1 is provided with a torsion spring at the rotating connection with the cup cover body 2.

[0035] The cover 1 is provided with a lower pressing plate 8 corresponding to the position of the sliding block 42.

[0036] In this scheme, after pressing the button, the button drives the connecting sliding block to slide into the button groove, extruding the second spring, and at the same time, the sliding blocks on the left and right sides of the connecting sliding block move along the corresponding limiting sliding groove, the movement of the connecting sliding block drives the hook to disengage from the locking plate located in the fourth through hole, the torsion spring drives the cover to turn up, the cover drives the locking plate to move upward and disengage from the fourth through hole, after the cover is turned up, the plug no longer blocks the straight drinking opening, and at the same time, the lower pressing plate at the bottom of the cover is lifted and no longer presses the sliding block, the first spring is upwardly sprung to drive the straw to move upward until the upper part of the straw extends out of the straw insertion port. The movement of the straw drives the sliding block to move along the straw insertion port.

[0037] When the user closes the cover, the lower pressing plate at the lower part of the cover extends into the straw insertion port, presses the sliding block downward, the sliding block drives the straw to move downward to make the upper limiting ring on the straw extrude the spring, when the cover is completely closed, the locking plate extends into the fourth through hole, and the hook extends into the locking groove, at this time, the cover is locked with the cup cover body.

[0038] During the closing process of the cover, the second inclined surface at the bottom of the locking plate is in contact with the first inclined surface provided at the top of the hook, the second inclined surface extrudes the first inclined surface to make the hook drive the connecting sliding block to move inward, facilitating the closing of the cover.

[0039] During the upward and downward movement of the straw, the second through hole in the leakage prevention sheet of the damping leakage prevention sleeve is always in interference fit with the straw, avoiding the water in the water cup from flowing out of the straw insertion port through the gap between the straw and the guide cylinder. And the second through hole in the damping leakage prevention sleeve provides damping to the straw, making the straw move slowly, and the overall movement process is silent.

Claims

1. A leak-proof cup lid, characterized by: The cup cover body (2) is provided with a straight drinking opening (3) and a straw insertion opening (4), the straw insertion opening (4) is provided with a straw (41), the bottom of the cup cover body (2) is provided with a connecting opening (21), the straight drinking opening (3) is communicated with the connecting opening (21), the connecting opening (21) is provided with a guide cylinder (22) corresponding to the position of the straw insertion opening (4), the top of the guide cylinder (22) is communicated with the straw insertion opening (4), the lower part of the straw (41) passes through the guide cylinder (22) and extends downward to the connecting opening (21), the guide cylinder (22) is provided with an elastic assembly for pushing the upper part of the straw (41) out of the straw insertion opening (4), the bottom of the guide cylinder (22) is provided with a damping leakage-proof sleeve (5), the damping leakage-proof sleeve (5) is provided with a second through hole (51) for the lower part of the straw (41) to pass through, the second through hole (51) is in interference fit with the straw (41), when the cover is covered on the top of the cup cover body, the cover blocks the straight drinking opening and the straw and presses the upper part of the straw into the straw insertion opening.

2. The leakproof cup lid of claim 1, wherein: The elastic assembly comprises a first spring (6) arranged in the guide cylinder (22), the upper part of the straw (41) is provided with an upper limiting ring (411), the lower part of the guide cylinder (22) is provided with a lower limiting ring (221), the damping leakage-proof sleeve (5) comprises a sleeve (52) and a leakage-proof sheet (53), the sleeve (52) is attached to the outer wall of the lower part of the guide cylinder (22), the leakage-proof sheet (53) is located below the lower limiting ring (221) and is attached to the lower limiting ring (221), the second through hole (51) is arranged on the leakage-proof sheet (53), the upper and lower ends of the first spring (6) are respectively abutted with the upper limiting ring (411) and the lower limiting ring (221).

3. A leak-proof cup lid as claimed in claim 2, wherein: The straw insertion opening (4) is provided with a slider (42) which can slide up and down in the straw insertion opening (4), the slider (42) is sleeved on the outside of the straw (41).

4. The leakproof cup lid of claim 1, wherein: The outer diameter of the guide cylinder (22) gradually decreases from top to bottom. The outer diameter of the guide cylinder (22) gradually decreases from top to bottom.

5. A water-tight cup cover according to claim 1 or 2 or 3 or 4, wherein: The locking assembly comprises a button (7), the top side of the cup cover body (2) is provided with a button slot, the inner side of the button (7) is provided with a connecting sliding block (71), the left and right sides of the connecting sliding block (71) are symmetrically provided with limiting sliding blocks (711), the button slot is provided with limiting sliding grooves (712) corresponding to the positions of the limiting sliding blocks (711), the limiting sliding grooves (712) are arranged in a front-rear direction, the limiting sliding blocks (711) can slide along the corresponding limiting sliding grooves (712), the connecting sliding block (71) and the corresponding side of the button slot are provided with a second spring (72), the top of the connecting sliding block (71) is provided with a fourth through hole (73), the inner side of the fourth through hole (73) close to the cup cover body (2) is provided with a hook claw (731), the flip cover (1) is provided with a locking plate (11) corresponding to the position of the fourth through hole (73), the locking plate (11) is provided with a locking groove (111) corresponding to the position of the hook claw (731), the locking groove (111) is matched with the hook claw (731), when the flip cover is closed, the locking plate extends into the fourth through hole, and the hook claw extends into the locking groove.

6. A leakproof cup lid as defined in claim 5, wherein: The top of the hook claw (731) is provided with a first inclined surface inclined outward from top to bottom, and the bottom of the locking plate (11) is provided with a second inclined surface inclined outward from top to bottom.

7. A leakproof cup lid as defined in claim 5, wherein: The flip cover (1) is provided with a plug (12) corresponding to the position of the straight drinking port (3).

8. The leakproof cup lid of claim 1, wherein: The damping leak-proof sleeve (5) is made of silica gel.

9. The leakproof cup lid of claim 1, wherein: The flip cover (1) is provided with a torsional spring at the rotating connection position of the flip cover (1) and the cup cover body (2).

10. The leakproof cup lid of claim 3, wherein: The bottom of the flip cover (1) is provided with a pressing plate (8) corresponding to the position of the sliding block (42), when the flip cover is locked with the cup cover body, the pressing plate presses the sliding block downward.

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