CN209883720U - Cup cover capable of being operated by single hand and convenient to clean - Google Patents

Abstract

The utility model discloses a cup cover which can be operated by one hand and is convenient to clean, comprising a cover body, an inner lining seat, a sealing component, a push rod component and a clamping component; the top of the cover body is provided with a water outlet; the bottom of the cover body is provided with a thread part connected with the cup body; the lining seat is detachably connected with the opening at the bottom of the cover body, and a sliding groove seat is arranged at the position of the lining seat corresponding to the water outlet; the sealing assembly comprises an upright post, a first spring and a first sealing ring; the push rod assembly comprises a press plate, a push rod and a second spring; the clamping assembly is arranged on the lining seat and is used for controlling the lining seat to be clamped with or separated from the inner wall of the cover body. The utility model discloses both can the one-hand use, make the lid possess again and dismantle clean function, simplified the operating procedure when drinking water, liberate both hands, the lid can be cleaner moreover.

Description

Cup cover capable of being operated by single hand and convenient to clean

Technical Field

The utility model relates to a bowl cover, more specifically the bowl cover that can one-hand operation and be convenient for wash that says so relates to.

Background

Water is a source of life, people can drink water without opening the cup every day, the cup can not be drunk, most of the cups on the market are finished by two hands when people drink water, one hand holds the cup body, the other hand unscrews the cover, and particularly the cup which is carried out is essential for ensuring the sealing performance of the cup.

However, daily necessities are popular with consumers, and must be continuously innovated, and new products are made by using new technologies, new materials and new designs. Although the cup cover opened by two hands is widely suitable for daily life, the operation is complex after all, and the use occasion has certain limitations, for example, the cup cover cannot be used when driving a car, and the life safety of people is brought with danger; some cups can be operated by a single hand, but the cover does not have the function of disassembly and cleaning, and bacteria can be bred in the cover after long-term use, so that the health of people is influenced.

Therefore, it is an urgent need to solve the problem of providing a cup lid that can be opened with one hand and is easy to disassemble and clean.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a but one-hand operation and abluent bowl cover of being convenient for can realize that one-hand is controlled and is opened and shut out water, and easily dismantle the washing with the inner structure of bowl cover, easy operation, convenient to use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cup cover which can be operated by one hand and is convenient to clean comprises a cover body, a lining seat, a sealing assembly and a push rod assembly;

the top of the cover body is provided with a water outlet; the bottom of the cover body is provided with a thread part connected with the cup body; the inner wall of the cover body is fixedly connected with a plurality of supporting plates;

the lining seat is detachably connected with the opening at the bottom of the cover body, and a sliding groove seat is arranged at the position of the lining seat corresponding to the water outlet;

the sealing assembly comprises an upright post, a first spring and a first sealing ring; the upright post is arranged in the sliding groove seat in a sliding manner, and the outer wall of the upright post is provided with a slope; the first spring is fixed between the bottom of the slope surface and the bottom of the sliding groove seat; the first sealing ring is fixed at the top of the upright post and is in sealing fit with the water outlet;

the push rod assembly comprises a press plate, a push rod and a second spring; the pressing plate is hinged with the top of the cover body; the push rod penetrates through the supporting plate, one end of the push rod is hinged with the pressing plate, and the other end of the push rod is abutted against the slope surface; the second spring sleeve is arranged on the push rod, and two ends of the second spring sleeve are fixed in the middle of the push rod and close to the stand column between the supporting plates.

Through the technical scheme, the utility model discloses a push rod and the form that bulldozes of stand slope can open the delivery port through pressing down, realize the drinking water mode of one-hand operation, simultaneously, can easily assemble and dismantle through the mode of joint between inside substrate and the lid, wash the inside structure of lid. The utility model discloses both can the one-hand use, make the lid possess again and dismantle clean function, simplified the operating procedure when drinking water, liberate both hands, the lid can be cleaner moreover.

Preferably, in the cup cover which can be operated by one hand and is convenient to clean, the cup cover further comprises a self-locking assembly, and the self-locking assembly comprises a self-locking bolt and a retaining buckle; two ends of the self-locking mortise lock are connected with the side wall of the cover body, and the end head of the self-locking mortise lock is exposed out of the cover body; the stop buckle is fixed on the self-locking bolt and corresponds to the self-locking groove formed in the push rod. Can detain the chucking with push rod and fender through setting up the auto-lock subassembly when not using, can not produce the mistake and press the board and lead to the problem that the water in the cup spills over, moreover the utility model discloses a auto-lock subassembly only need press the auto-lock bolt in lid both sides and can realize the auto-lock of push rod, simple structure, convenient to use, the one-hand operation of being convenient for.

Preferably, in the cup cover which can be operated by one hand and is convenient to clean, the cup cover further comprises a limiting assembly, the limiting assembly is arranged in a groove formed in the supporting plate, and the limiting assembly comprises a screw cover, a mandril and a third spring; the screw cap is fixedly connected with the opening of the groove through threads; the ejector rod is arranged in the groove, and the end head of the ejector rod penetrates through the spiral cover and is arranged in a limiting groove formed by the stop buckle in a sliding manner; the third spring is fixed between the ejector rod and the bottom of the groove. The setting of spacing subassembly is in order to guarantee the stability of auto-lock subassembly, through the cooperation of ejector pin and spacing groove, can enough prevent that the auto-lock bolt from rotating and skew from the locked groove, can restrict the displacement distance of auto-lock bolt again, prevents that the auto-lock bolt from breaking away from the lid, and stability is stronger.

Preferably, in the above-mentioned bowl cover that can singlehanded operation and be convenient for wash, the inside spout of spout seat runs through the inside lining seat, the bottom of spout seat inner wall have with the joint bulge loop of stand joint. The sliding connection area of the upright post and the chute seat can be increased, and the stability of the upright post is further improved.

Preferably, in the cup cover which can be operated by one hand and is convenient to clean, the bottom end of the upright post is provided with a clamping foot, and a fixed convex ring is arranged below the upright post close to the slope surface; the clamping pin is clamped with the clamping convex ring, and the clamping surface is positioned at the bottom of the clamping convex ring; the first spring is fixed between the fixed convex ring and the clamping convex ring. The connection relation between the upright post and the chute seat is simplified, and the structural stability is strong.

Preferably, in the above-mentioned bowl cover that can one-hand operation and be convenient for wash, the circular groove has been seted up on the periphery of push rod, the circular groove endotheca is equipped with the second sealing washer, the second sealing washer with backup pad sealing contact. The second sealing washer is isolated with inside and the external seal of lid, prevents that the water in the cup from spilling over.

Preferably, in the cup cover which can be operated by one hand and is convenient to clean, an inclined plane which is matched with the angle of the slope surface is formed at the end of the push rod which is abutted to the slope surface. The contact surface of the push rod and the upright post forms a wedge structure, and the push rod moves more smoothly in the pushing and resetting process.

Preferably, in the above-mentioned bowl cover that can one-hand operation and be convenient for wash, the holding tank has been seted up to the inside race seat, be used for the installation in the holding tank the joint subassembly. The clamping assembly is arranged in the lining seat, so that the inner space is saved.

Preferably, in the cup cover which can be operated by one hand and is convenient to clean, the cup cover further comprises a clamping component, the clamping component is arranged on the lining seat, and the clamping component comprises a sliding plate and a clamping spring; the sliding plate comprises a fixed part, a buckling part, a clamping part and a limiting part, wherein the fixed part and the buckling part are fixed on the same plane, the clamping part is vertically fixed with the fixed part, the limiting part is vertically fixed with the buckling part, and the directions of the clamping part and the limiting part are opposite; the two fixing parts are arranged at two ends of the accommodating groove, the buckling parts are exposed out of the bottom of the lining seat, the clamping parts penetrate out of the accommodating groove and are clamped with the buckle on the inner wall of the cover body, and the two limiting parts are crossed at the bottom of the lining seat; the clamping spring is fixed between the two fixing parts. The clamping assembly is simple in structure and convenient to operate, and clamping and separation between the lining seat and the inner wall of the cover body can be easily achieved.

Preferably, in the cup cover which can be operated by one hand and is convenient to clean, friction lines are formed on the opposite surfaces of the two buckling parts. Is convenient for the user to press.

Preferably, in the above-mentioned bowl cover that can singlehanded operation and be convenient for wash, first leading positive groove has been seted up to the lateral wall symmetry of sliding groove seat, be fixed with on the stand with first leading positive piece that the groove corresponds. When the upright post slides up and down in the sliding groove seat, the first guide block slides in the first guide groove, and the upright post is guided and limited.

Preferably, in the above cup cover which can be operated by one hand and is convenient to clean, the edge of the lining seat is symmetrically provided with second guide grooves, and the inner wall of the cover body is fixed with second guide blocks corresponding to the second guide grooves. When the lining seat is disassembled or assembled on the inner wall of the cover body, the second guide block slides in the second guide groove to guide the lining seat, so that the installation position of the lining seat is more accurate.

Preferably, in the above-mentioned bowl cover that can singlehanded operation and be convenient for wash, the top cover of screw thread portion is equipped with the third sealing washer, improves the sealed effect of lid and cup.

According to the technical scheme, compared with the prior art, the utility model discloses a but one-hand operation just be convenient for abluent bowl cover has following beneficial effect:

1. the utility model discloses a push rod and the form that bulldozes of stand slope can open the delivery port through pressing down, realize the drinking water mode of one-hand operation, simultaneously, can easily assemble and dismantle through the mode of joint between inside substrate and the lid, wash the inside structure of lid. The utility model discloses both can the one-hand use, make the lid possess again and dismantle clean function, simplified the operating procedure when drinking water, liberate both hands, the lid can be cleaner moreover.

2. The self-locking assembly is arranged, so that the push rod and the retaining buckle can be clamped tightly when the cup is not used, the problem that water in the cup overflows due to mistaken pressing of the pressing plate can be avoided, and the self-locking assembly of the cup can realize self-locking of the push rod only by pressing the self-locking bolt on two sides of the cover body, and has the advantages of simple structure, convenience in use and convenience in one-hand operation; and simultaneously the utility model discloses a self-locking subassembly is still supporting to be provided with spacing subassembly, through the cooperation of ejector pin and spacing groove, can enough prevent that the auto-lock bolt from rotating and skew auto-lock groove, can restrict the displacement distance of auto-lock bolt again, prevents that the auto-lock bolt from breaking away from the lid, and stability is stronger.

3. The utility model discloses a wedge bulldozes the mode, and the motion is more smooth and easy.

4. The utility model discloses each subassembly simple structure, the combination is ingenious, convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the top view provided by the present invention;

fig. 2 is a schematic view of the overall structure viewed from below according to the present invention;

fig. 3 is a schematic structural view of the inside of the cover body provided by the present invention;

fig. 4 is a schematic structural view of the lining seat provided by the present invention;

FIG. 5 is a front cross-sectional view of the present invention;

figure 6 the attached drawing is the side section view that the utility model provides.

Wherein:

1-a cover body;

11-a water outlet; 12-a threaded portion;

13-a support plate;

131-a groove;

14-buckling; 15-a second pilot block; 16-a third sealing ring;

2-lining seat;

21-a chute base;

211-snap-fit convex ring; 212-first pilot groove;

22-accommodating grooves; 23-a second pilot groove;

3-a sealing component;

31-upright post;

311-slope surface; 312-a clip; 313-fixed convex ring; 314-first pilot block;

32-a first spring; 33-a first sealing ring;

4-a push rod assembly;

41-pressing plate;

42-a push rod;

421-self-locking groove; 422-circular ring groove;

43-a second spring; 44-a second sealing ring;

5-a clamping assembly;

51-a sliding plate;

511-a fixed part; 512-a snap-action portion; 513-a clamping part; 514-a limiting part;

6-a self-locking assembly;

61-self-locking bolt; 62-blocking and buckling;

7-a limiting component;

71-screwing a cover; 72-a mandril; 73-third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present embodiment discloses a cup lid capable of being operated with one hand and being cleaned conveniently, which includes a lid body 1, a liner seat 2, a sealing assembly 3 and a push rod assembly 4;

the top of the cover body 1 is provided with a water outlet 11; the bottom of the cover body 1 is provided with a thread part 12 connected with the cup body; the inner wall of the cover body 1 is fixedly connected with a plurality of supporting plates 13;

the lining seat 2 is detachably connected with an opening at the bottom of the cover body 1, and a sliding groove seat 21 is arranged at the position of the lining seat 2 corresponding to the water outlet 11;

the sealing assembly 3 comprises a column 31, a first spring 32 and a first sealing ring 33; the upright column 31 is arranged in the chute seat 21 in a sliding manner, and the outer wall of the upright column 31 is provided with a slope surface 311; the first spring 32 is fixed between the bottom of the slope surface 311 and the bottom of the chute seat 21; the first sealing ring 33 is fixed on the top of the upright column 31 and is in sealing fit with the water outlet 11;

the push rod assembly 4 includes a pressing plate 41, a push rod 42, and a second spring 43; the pressing plate 41 is hinged with the top of the cover body 1; the push rod 42 penetrates through the support plate 13, one end of the push rod 42 is hinged with the press plate 41, and the other end of the push rod 42 is abutted with the slope surface 311; the second spring 43 is sleeved on the push rod 42, and two ends of the second spring are fixed between the middle part of the push rod 42 and the support plate 13 close to the upright column 31.

In order to further optimize the technical scheme, the device further comprises a self-locking assembly 6, wherein the self-locking assembly 61 comprises a self-locking bolt 61 and a stop buckle 62; two ends of the self-locking mortise lock 61 are connected with the side wall of the cover body 1, and the end head is exposed out of the cover body 1; the retaining buckle 62 is fixed on the self-locking bolt 61, and the retaining buckle 62 corresponds to the self-locking groove 421 formed on the push rod 42.

In order to further optimize the technical scheme, the device further comprises a limiting assembly 7, wherein the limiting assembly 7 is arranged in a groove 131 formed in the supporting plate 13, and the limiting assembly 7 comprises a screw cap 71, a mandril 72 and a third spring 73; the screw cap 71 is fixedly connected with the opening of the groove 131 through threads; the mandril 72 is arranged in the groove 131, the end head of the mandril passes through the screw cap 71 and is arranged in the limit groove formed by the retaining buckle 62 in a sliding way; a third spring 73 is secured between the post 72 and the bottom of the recess 131.

In order to further optimize the above technical solution, the inner chute of the chute seat 21 penetrates through the lining seat 2, and the bottom of the inner wall of the chute seat 21 is provided with a clamping convex ring 211 clamped with the upright column 31.

In order to further optimize the technical scheme, the bottom end of the upright column 31 is provided with a clamping foot 312, and a fixed convex ring 313 is arranged below the upright column 31 close to the slope surface 311; the clamping feet 312 are clamped with the clamping convex ring 211, and the clamping surface is positioned at the bottom of the clamping convex ring 211; the first spring 32 is fixed between the fixing protrusion ring 313 and the catching protrusion ring 211.

In order to further optimize the above technical solution, an annular groove 422 is formed on the circumferential surface of the push rod 42, a second sealing ring 44 is sleeved in the annular groove 422, and the second sealing ring 44 is in sealing contact with the support plate 13.

In order to further optimize the technical scheme, an inclined surface matched with the angle of the slope surface 311 is formed at the end of the push rod 42 abutted to the slope surface 311.

The opening direction of the slope surface 311 faces the end of the push rod 42, the distance between the slope surface 311 and the end of the push rod 42 is gradually increased from near to far, and a wedge structure which pushes each other can be formed between the slope surfaces of the slope surface 311 and the push rod 42.

In order to further optimize the above technical solution, the inner liner 2 has a receiving groove 22, and the receiving groove 22 is used for installing the clamping assembly 5.

In order to further optimize the technical scheme, the lining seat structure further comprises a clamping assembly 5, wherein the clamping assembly 5 is arranged on the lining seat 2, and the clamping assembly 5 comprises a sliding plate 51 and a clamping spring 52; the sliding plate 51 comprises a fixing part 511, a buckling part 512, a clamping part 513 and a limiting part 514, the fixing part 511 and the buckling part 512 are fixed on the same plane, the clamping part 513 is vertically fixed with the fixing part 511, the limiting part 514 is vertically fixed with the buckling part 512, and the directions of the clamping part 513 and the limiting part 514 are opposite; the two fixing parts 11 are arranged at two ends of the accommodating groove 22, the buckling part 512 is exposed out of the bottom of the lining seat 2, the clamping part 513 penetrates out of the accommodating groove 22 to be clamped with the buckle 14 on the inner wall of the cover body 1, and the two limiting parts 514 are crossed at the bottom of the lining seat 2; the latch spring 52 is fixed between the two fixing portions 511.

In order to further optimize the technical scheme, friction grains are formed on the back surfaces of the two buckling parts 512.

In order to further optimize the above technical solution, the side wall of the sliding groove seat 21 is symmetrically provided with first guiding grooves 212, and the upright column 31 is fixed with first guiding blocks 314 corresponding to the first guiding grooves 212. When the upright post 31 slides up and down in the chute seat 21, the first guiding block 314 slides in the first guiding groove 212, and simultaneously, the guiding and limiting functions are performed on the upright post 31.

In order to further optimize the above technical solution, the edge of the lining base 2 is symmetrically provided with second guiding grooves 23, and the inner wall of the cover body 1 is fixed with second guiding blocks 15 corresponding to the second guiding grooves 23. When the lining base 2 is detached or installed on the inner wall of the cover body 1, the second guide block 15 slides in the second guide groove 23, so that the lining base 2 is guided, and the installation position of the lining base is more accurate.

In order to further optimize the above technical solution, the top end of the screw portion 12 of the cap body 1 is sleeved with a third sealing ring 16.

The utility model discloses an application principle does:

lid 1 passes through screw thread portion 12 and cup threaded connection, according to the cup size of difference, can design the screw thread portion 12 of different sizes.

When the device is not used, the retaining buckle 62 is clamped in the self-locking groove 421 of the push rod 42, and the front end inclined plane of the push rod 42 corresponds to or abuts against the bottom end of the inclined plane 311 of the upright column 31. At this time, the first seal ring 33 abuts against and seals the water outlet 11 by the elastic force of the first spring 32.

When the water dispenser is used, the self-locking bolt 61 is pushed towards the cover body 1, the retaining buckle 62 is separated from the self-locking groove 421, the pressing plate 41 is pressed, the pressing plate 41 drives the push rod 42 to move towards the upright post 31 to extrude the second spring 43, the inclined surface of the push rod 42 presses the inclined surface 311 of the upright post 31, the upright post 31 moves downwards along the sliding groove seat 21 to extrude the first spring 32, the first sealing ring 33 is separated from the water outlet 11, the water outlet 11 is opened, and a user can drink water. After the water outlet pipe is used, the pressing plate 41 is slightly loosened, the push rod 42 is extruded to reset towards the direction far away from the upright post 31 under the action of the second spring 43 and gradually separated from the slope surface 311, the upright post is extruded to reset upwards by the upright post 31 under the action of the first spring 32 until the first sealing ring 33 is abutted and sealed with the water outlet 11 again, the self-locking bolt 61 is pushed in the opposite direction, and the retaining buckle 62 is clamped with the self-locking groove 421 again to prevent the push rod 42 from moving. The drinking water operation by one hand is completed through the steps.

When the inner lining seat 2 needs to be cleaned, the cover body 1 is unscrewed from the cup body, the buckling parts 512 of the two sliding plates 51 are pressed to move close to each other, the buckling parts 512 drive the clamping parts 513 to be separated from the buckles 14, and the inner lining seat 2 can be taken down for cleaning. During installation, the buckling parts 512 of the two sliding plates 51 are pressed to be close to each other, the second guiding groove 23 of the lining seat 2 is installed into the cover body 1 along the second guiding block 15, the buckling parts 512 are released, and the clamping parts 513 are clamped with the buckles 14 to complete assembly.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A cup cover which can be operated by one hand and is convenient to clean is characterized by comprising a cover body (1), a lining base (2), a sealing assembly (3) and a push rod assembly (4);

a water outlet (11) is formed in the top of the cover body (1); the bottom of the cover body (1) is provided with a thread part (12) connected with the cup body; the inner wall of the cover body (1) is fixedly connected with a plurality of supporting plates (13);

the lining seat (2) is detachably connected with an opening at the bottom of the cover body (1), and a sliding groove seat (21) is arranged at the position, corresponding to the water outlet (11), of the lining seat (2);

the sealing assembly (3) comprises a stand column (31), a first spring (32) and a first sealing ring (33); the upright post (31) is arranged in the sliding groove seat (21) in a sliding manner, and the outer wall of the upright post (31) is provided with a slope surface (311); the first spring (32) is fixed between the bottom of the slope surface (311) and the bottom of the sliding groove seat (21); the first sealing ring (33) is fixed at the top of the upright post (31) and is in sealing fit with the water outlet (11);

the push rod assembly (4) comprises a press plate (41), a push rod (42) and a second spring (43); the pressing plate (41) is hinged with the top of the cover body (1); the push rod (42) penetrates through the supporting plate (13), one end of the push rod (42) is hinged with the pressing plate (41), and the other end of the push rod (42) is abutted against the slope surface (311); the second spring (43) is sleeved on the push rod (42), and two ends of the second spring are fixed in the middle of the push rod (42) and close to the upright column (31) between the support plates (13).

2. The cup lid capable of being operated by one hand and convenient to clean as claimed in claim 1, further comprising a self-locking assembly (6), wherein the self-locking assembly (6) comprises a self-locking latch (61) and a catch (62); two ends of the self-locking bolt (61) are connected with the side wall of the cover body (1), and the end head of the self-locking bolt is exposed out of the cover body (1); the retaining buckle (62) is fixed on the self-locking bolt (61), and the retaining buckle (62) corresponds to a self-locking groove (421) formed in the push rod (42).

3. The cup cover capable of being operated by one hand and convenient to clean as claimed in claim 2, further comprising a limiting assembly (7), wherein the limiting assembly (7) is arranged in a groove (131) formed in the supporting plate (13), and the limiting assembly (7) comprises a screw cover (71), a push rod (72) and a third spring (73); the screw cap (71) is fixedly connected with the opening of the groove (131) through threads; the ejector rod (72) is arranged in the groove (131), and the end head of the ejector rod penetrates through the rotary cover (71) and is arranged in a limiting groove formed by the retaining buckle (62) in a sliding manner; the third spring (73) is fixed between the top rod (72) and the bottom of the groove (131).

4. A cup cover capable of being operated by one hand and convenient to clean according to any one of claims 1 to 3, characterized in that the inner chute of the chute seat (21) penetrates through the lining seat (2), and the bottom of the inner wall of the chute seat (21) is provided with a clamping convex ring (211) clamped with the upright post (31).

5. The cup lid capable of being operated by one hand and convenient to clean as claimed in claim 4, characterized in that a clamping foot (312) is arranged at the bottom end of the upright post (31), and a fixing convex ring (313) is arranged below the upright post (31) close to the slope surface (311); the clamping foot (312) is clamped with the clamping convex ring (211), and the clamping surface is positioned at the bottom of the clamping convex ring (211); the first spring (32) is fixed between the fixing convex ring (313) and the clamping convex ring (211).

6. The cup cover capable of being operated by one hand and convenient to clean as claimed in claim 1, wherein an annular groove (422) is formed in the circumferential surface of the push rod (42), a second sealing ring (44) is sleeved in the annular groove (422), and the second sealing ring (44) is in sealing contact with the supporting plate (13).

7. A lid which is operable with one hand and is easy to clean as claimed in claim 1, wherein the end of the push rod (42) abutting the ramp surface (311) is formed with a slope surface which matches the angle of the ramp surface (311).

8. A lid for a cup which can be handled with one hand and which is easy to clean, as claimed in any of claims 1 to 3, characterized in that the liner seat (2) is provided with a receiving groove (22).

9. The cup cover capable of being operated by one hand and convenient to clean as claimed in claim 8, further comprising a clamping assembly (5), wherein the clamping assembly (5) is arranged on the lining seat (2), and the clamping assembly (5) comprises a sliding plate (51) and a clamping spring (52); the sliding plate (51) comprises a fixing part (511), a buckling part (512), a clamping part (513) and a limiting part (514), the fixing part (511) and the buckling part (512) are fixed on the same plane, the clamping part (513) is vertically fixed with the fixing part (511), the limiting part (514) is vertically fixed with the buckling part (512), and the directions of the clamping part (513) and the limiting part (514) are opposite; the two fixing parts (511) are arranged at two ends of the accommodating groove (22), the buckling part (512) is exposed out of the bottom of the lining seat (2), the clamping part (513) penetrates out of the accommodating groove (22) to be clamped with the clamp (14) on the inner wall of the cover body (1), and the two limiting parts (514) are crossed at the bottom of the lining seat (2); the clamping spring (52) is fixed between the two fixing parts (511).

10. The cup lid capable of being operated by one hand and being cleaned conveniently as claimed in claim 9, wherein friction lines are formed on the opposite sides of the two buckling parts (512).

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