CN219524846U

CN219524846U - Container lid with screw-free quick seal and opening

Info

Publication number: CN219524846U
Application number: CN202320824529.XU
Authority: CN
Inventors: 何小芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-15
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to a container cover which is quickly sealed and opened without threads and is matched with a container opening for use; the method is characterized in that: comprising an outer cover having a mounting cavity; an inner cap restrained in the mounting cavity of the outer cap and movable up and down, the inner cap having a connection cavity for insertion with the container mouth; the locking pieces are movably arranged on the inner cover, the peripheral wall of the container mouth is provided with locking grooves which are clamped with the locking pieces, and the locking pieces are matched with the outer cover, so that the locking pieces can be driven to be clamped into or separated from the locking grooves by the axial movement of the outer cover relative to the inner cover. The container cover and the container opening are in threaded connection, the container cover can be opened by one-hand operation through the axial movement of the outer cover which can be operated by one-hand operation, water can be drunk through the container opening, and the container cover is connected to the container opening by one-hand operation. The locking mode is that the locking piece is matched with the locking groove to realize locking, and the deformation of the elastic sealing sleeve is not adopted to realize sealing and locking, thereby being more beneficial to the uncapping operation.

Description

Container lid with screw-free quick seal and opening

Technical Field

The utility model relates to a container cover capable of being quickly sealed and opened without threads, wherein a container can be a thermos cup or a fresh-keeping tank or a fresh-keeping box.

Background

The existing cup cover and the water cup are mostly in threaded connection, the connection mode needs two hands to operate when the cup cover is opened, one hand holds the cup body, and the other hand unscrews the cover. Therefore, the prior threaded connection mode is quite inconvenient to use in certain occasions, for example, a driver wants to drink water by opening the cup cover in the driving process, and the cup cover is quite inconvenient and unsafe.

The cup that is favorable to the one-hand operation to open the bowl cover on the market also, and the bowl cover divide into pedestal and flip two parts, pedestal and cup threaded connection, flip then articulate on the pedestal, connect through buckle structure between flip and the pedestal, press the lateral part buckle during the operation, open flip, the water in the cup flows out through the play water channel on the pedestal and supplies the people to use, also is in the use bowl cover and cup still link together promptly, and the flip of opening can certain stop, influences the user and drinks water. Such a structure is disclosed in a chinese patent of patent No. ZL201921290286.6 (bulletin No. CN 210383528U) which is a cover for a lid-turning type thermos cup.

There is also a container cover on the market which can be opened and closed quickly by pressing a button to realize the elastic deformation of an elastic sealing sleeve in the cover, and the container cover has better reaction in commerce. For example, a chinese patent No. ZL201510234891.1 (bulletin No. CN 104803085B) discloses a container stopper with a structure of "a container stopper capable of being opened and closed quickly", which comprises a columnar stopper body, the columnar stopper body comprises a stopper rod, a base capable of being inserted into or pulled out of a container is arranged at the bottom of the stopper rod, the shape and the size of the base are matched with those of a straight section of a container opening or a minimum section of the container, an annular stopper body is arranged at the upper part of the base, a flexible sealing sleeve capable of being bent and deformed is arranged between the annular stopper body and the base, the annular stopper body and the base can move mutually in the container opening along the axial direction of the container under the action of external force to squeeze the flexible sealing sleeve, so that the flexible sealing sleeve is radially expanded outwards to form a sealing ring between the container and the base, and the sealing ring and the base together form a sealing layer for realizing the quick closing of the container. The container plug has the characteristics of convenient use, good sealing performance, good heat preservation effect, high safety, long service life and low cost of the screw-free bottle plug with the rapid opening and closing functions.

However, the shape and the size of the base cannot be too different from those of the straight section of the container mouth or the smallest section of the container, so that the columnar plug body cannot be easily taken out from the container mouth when the piston rod drives the elastic sealing sleeve to reset in place.

Therefore, how to provide a cup cover with a more reasonable structural design and capable of realizing opening and locking operations by one hand is a problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a screw-free rapid sealing and opening container cover which is brand new, has more reasonable structural design and can realize opening and locking operation by one hand.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a container cover which is quickly sealed and opened without screw threads and is matched with a container opening for use; the method is characterized in that: comprising an outer cover having a mounting cavity; an inner cap restrained in the mounting cavity of the outer cap and movable up and down, the inner cap having a connection cavity for insertion with the container mouth; the locking pieces are movably arranged on the inner cover, the peripheral wall of the container mouth is provided with locking grooves which are clamped with the locking pieces, and the locking pieces are matched with the outer cover, so that the locking pieces can be driven to be clamped into or separated from the locking grooves by the axial movement of the outer cover relative to the inner cover.

Preferably, the locking piece is a plurality of rod pieces hinged on the inner cover, the lower end of the locking piece is provided with a clamping part for clamping into the locking groove, the upper end of the locking piece exposes out of the upper part of the inner cover to form a trigger part, and a driving part matched with the trigger part is arranged in the mounting cavity of the outer cover; the outer cover moves downwards to a locking position state relative to the inner cover, and the driving part drives the trigger part to swing outwards, so that the clamping part swings inwards to be clamped into the locking groove; the outer cover moves upwards to an unlocking position state relative to the inner cover, and the clamping part can swing outwards to be separated from the locking groove. The member can extend the triggering part to the upper side of the inner cover as the locking piece, so that the triggering part is beneficial to forming triggering fit with the upper part of the mounting cavity, the space between the top surface of the inner cover and the mounting cavity is larger, and the structure matched with the locking piece is more convenient to set. In addition, the structure realizes locking when the outer cover moves downwards relative to the inner cover, and the locking is consistent with the operation direction of covering the cover (the cover is generally moved downwards relative to the container mouth to be closed), so that the structure is very in line with the operation habit of covering the cover on the container mouth; the outer cover moves upwards relative to the inner cover to realize unlocking, so that the unlocking operation is consistent with the operation direction of opening the cover, and the operation habit of opening the cover is very met.

In order to facilitate the installation of the locking piece, the inner cover is provided with a plurality of notches, and each notch is internally hinged with one locking piece. The notch provides a containing space for the locking piece and has a restraining function on the locking piece, so that the structure is more compact.

As an improvement, the inner top surface of the locking groove is an inclined surface, and the top surface of the clamping part is an inclined surface, so that the lower end of the locking piece can be driven to swing outwards when the container mouth moves downwards relative to the connecting cavity. After unlocking, the driving part does not limit the swing of the locking piece any more, in the process of uncovering (the container mouth moves downwards relative to the connecting cavity), under the action of the inclined plane cooperation, the locking groove can promote the lower end of the locking piece to swing outwards, and an additional elastic piece is not needed to enable the locking piece to swing for service, so that the structure is simplified.

In order to provide enough outward swing space for the locking piece, the inner wall of the installation cavity is provided with a yielding concave part which yields when the lower end of the locking piece swings outwards.

Preferably, the driving part is a boss part arranged on the inner top surface of the mounting cavity, and the outer surface of the boss part is provided with a driving inclined surface in contact fit with the triggering part. The driving part has a very simple structure and can be formed by integrally forming with the outer cover.

More preferably, the boss portion has a truncated cone shape with a smaller bottom and a larger top. The driving inclined planes are circumferentially arranged due to the round table-shaped driving blocks, and even if the locking piece is arranged at different positions, the locking piece can be easily matched with the driving inclined planes, so that the assembly requirement is reduced. But may also be an inclined wall.

The inner cover is arranged in the installation cavity of the outer cover through a rib groove structure, an inner retaining shoulder for limiting the downward movement of the inner cover is arranged at the bottom of the installation cavity, the inner cover is limited to rotate relative to the outer cover through the structure, namely, the inner cover can only move up and down relative to the outer cover, and the matching of all parts is ensured to be difficult to misplace; the inner top surface of the installation cavity of the shell is provided with a sealing ring, and the sealing ring is tightly pressed on the top surface of the container opening when the locking piece is clamped into the locking groove of the container opening. The sealing ring is arranged, so that when the cover of the containing cavity is locked to the container opening, the container opening is better sealed, and water leakage is prevented.

Further improvement, a locking structure capable of unlocking is arranged between the outer cover and the inner cover; the outer cover is locked with the inner cover through a locking structure under the condition that the outer cover axially moves relative to the inner cover to enable the locking piece to be clamped into the locking groove; after the locking structure is unlocked, the outer cover can move relative to the inner cover to a position enabling the locking piece to move to be separated from the locking groove. After the locking structure is unlocked, the outer cover can move to a position which enables the clamping part to swing outwards and separate from the locking groove relative to the inner cover, so that when the outer cover is prevented from moving axially to a position unlocked by the locking piece easily (the clamping part is clamped into the locking groove), the outer cover can be moved axially to a position unlocked by the locking piece only by unlocking the locking structure, and the use is more reasonable. Of course, if the locking member itself has a certain self-locking force, the locking structure may be needed.

As the preferable scheme of locking structure, above-mentioned locking structure includes release button, locking piece, the locking piece has two at least and retrains in the mounting bracket at inner cup top and can left and right slip, the locking piece is held by the spring top and is kept the trend that the outer extension mounting bracket that moves, and two at least locking pieces can form two at least locks between enclosing cup and inner cup, and the locking is more steady firm. The top in the installation cavity of the outer cover is provided with two connecting walls which are arranged at intervals left and right and extend downwards, the inner end surface of each connecting wall is provided with a positioning groove, the unlocking button is restrained in the outer cover, and the lower part of the unlocking button is matched with the locking block; the overhanging locking piece is blocked into the positioning groove, so that the inner cover and the outer cover are locked together, the unlocking button moves downwards to drive the locking piece to retract inwards and separate from the positioning groove, and the inner cover and the outer cover are unlocked. The unlocking is realized by pressing the unlocking button, and when the unlocking device is operated, the peripheral wall of the outer cover is pinched by two fingers (thumb and middle finger), and then the unlocking button is pressed by the index finger, so that the unlocking is finished, and the unlocking operation by one hand is very facilitated.

Further improved, the unlocking rod which is arranged at intervals from front to back and extends downwards is arranged below the unlocking button, the front side wall and the rear side wall of the locking block are provided with an outwards-extending unlocking part, the lower end of the unlocking rod is matched with the unlocking part through an inclined plane, the unlocking button can be moved downwards to drive the locking block to shrink inwards relative to the mounting frame, and the top surface of the locking block is an inclined plane. The inclined plane cooperation of unlocking lever and unblock portion can drive the unlocking block and contract inwards to realize the unblock, and the lateral surface of locking block is the inclined plane, when the enclosing cover moves down, just can make the linking wall easily drive the locking block and contract inwards.

Compared with the prior art, the container cover has the advantages that: the connecting cavity of the inner cover is sleeved outside the container mouth, and then the outer cover moves axially (the outer cover moves axially upwards or downwards, and the axial downwards is the best), so that the locking piece is driven to move and be clamped into or separated from the locking groove, and the whole container cover (the outer cover and the inner cover) and the container mouth are locked. The container cover and the container opening are in threaded connection, the container cover can be opened by one-hand operation through the axial movement of the outer cover which can be operated by one-hand operation, water can be drunk through the container opening, and the container cover is connected to the container opening by one-hand operation. The locking mode is that the locking piece is matched with the locking groove to realize locking, and the deformation of the elastic sealing sleeve is not adopted to realize sealing and locking, thereby being more beneficial to the uncapping operation.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a container lid;

FIG. 2 is a cross-sectional view of an embodiment of the container lid along the locking member (locked state);

FIG. 3 is a cross-sectional view of an embodiment of the container lid along the direction of the locking tab (locked state);

FIG. 4 is a cross-sectional view of an embodiment of the container lid along the direction of the locking element (unlocked state);

FIG. 5 is a cross-sectional view of an embodiment of the container lid along the direction of the locking tab (unlocked state);

FIG. 6 is an exploded perspective view of an embodiment of a container lid;

FIG. 7 is a schematic perspective view of the outer cap in an embodiment of the container cap;

fig. 8 is a schematic perspective view of the inner lid in the container lid embodiment.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1-6, is a preferred embodiment of a container lid.

A container cover which is quickly sealed and opened without screw threads is matched with a container opening 5, and the container opening 5 can be the mouth of a cup. Comprising

The cover 1 has a mounting cavity 1a, the cover 1 being substantially circular and the mounting cavity 1a also being a circular cavity. The inner top surface of the installation cavity 1a of the outer cover 1 is provided with a sealing ring 4.

An inner cap 2 restrained in the installation cavity 1a of the outer cap 1 and capable of moving up and down, the inner cap 2 having a connection cavity 2a for insertion with the container mouth 5, the connection cavity 2a having a size substantially matching the cross-sectional size of the container mouth 5; the inner cover 2 is arranged in a mounting cavity 1a of the outer cover 1 through a rib groove structure, and an inner retaining shoulder 1a2 for limiting downward movement of the inner cover 2 is arranged at the bottom of the mounting cavity 1 a; in this embodiment, the rib 23 in the rib groove structure has a plurality of inner covers 2 circumferentially spaced apart, and the groove 1a3 in the rib groove structure is disposed on the inner wall of the mounting cavity 1a and penetrates the inner shoulder 1a2.

The locking pieces 3 are movably arranged on the inner cover 2, locking grooves 51 which are clamped with the locking pieces 3 are formed in the peripheral wall of the container mouth 5, and the locking pieces 3 are matched with the outer cover 1 so that the locking pieces 3 can be driven to be clamped into or separated from the locking grooves 51 by the axial movement of the outer cover 1 relative to the inner cover 2.

The locking piece 3 is a rod piece, a plurality of notch 21 are formed in the inner cover 2, each notch 21 is internally hinged with one locking piece 3 through a pin shaft 9, the lower end of the locking piece 3 is provided with a clamping part 31 for being clamped into the locking groove 51, the upper end of the locking piece 3 is exposed out of the upper part of the inner cover 2 to form a triggering part 32, and a driving part 11 matched with the triggering part 32 is arranged in the mounting cavity 1a of the outer cover 1; the outer cover 1 moves downwards to a locking position state relative to the inner cover 2, and the driving part 11 drives the triggering part 32 to swing outwards, so that the clamping part 31 swings inwards to be clamped into the locking groove 51; the sealing ring 4 is pressed on the top surface of the container mouth 5 under the state that the locking piece 3 is clamped into the locking groove 51 of the container mouth 5. The outer cover 1 moves up to the unlocking position relative to the inner cover 2, and the clamping part 31 can swing outwards to be separated from the locking groove 51.

The inner top surface 511 of the locking groove 51 is an inclined surface, and the top surface 311 of the clamping part 31 is an inclined surface, so that the lower end of the locking piece 3 can be driven to swing outwards when the container mouth 5 moves downwards relative to the connecting cavity 2 a. The inner wall of the installation cavity 1a is provided with a yielding recess 1a1 which yields when the lower end of the locking piece 3 swings outwards. The driving part 11 is a boss part arranged on the inner top surface of the mounting cavity 1a, and the boss part is in a shape of a round table with a small bottom and a large top. The outer surface of the boss portion has a drive ramp 111 in contact engagement with the trigger portion 32.

An unlocking locking structure is arranged between the outer cover 1 and the inner cover 2; in a state that the outer cap 1 is axially moved relative to the inner cap 2 to make the locking piece 3 be caught in the locking groove 51, the outer cap 1 is locked with the inner cap 2 by the locking structure; after unlocking the locking structure, the outer cap 1 can be moved relative to the inner cap 2 to a position in which the locking member 3 can be moved out of the locking groove 51.

The locking structure in the embodiment comprises an unlocking button 6 and a locking piece 7, wherein the locking piece 7 is at least two and is restrained in a mounting frame 22 at the top of the inner cover 2 and can slide left and right, the locking piece 7 is propped by a spring 8 to keep the trend of outwards moving out of the mounting frame 22, the inner top of a mounting cavity 1a of the outer cover 1 is provided with two connecting walls 12 which are arranged at intervals left and right and extend downwards, the inner end surface of each connecting wall 12 is provided with a positioning groove 121, the unlocking button 6 is restrained in the outer cover 1, and the lower part of the unlocking button 6 is matched with the locking piece 7; the overhanging locking piece 7 is blocked into the positioning groove 121, so that the inner cover 2 and the outer cover 1 are locked together, the unlocking button 6 moves downwards to drive the locking piece 7 to retract inwards and separate from the positioning groove 121, and the inner cover 2 and the outer cover 1 are unlocked.

The unlocking rod 61 which is arranged below the unlocking button 6 at intervals and extends downwards is arranged below the unlocking button 6, the front side wall and the rear side wall of the locking block 7 are provided with an outwards extending unlocking part 71, and the lower end of the unlocking rod 61 is matched with the unlocking part 71 in an inclined plane manner, so that the locking block 7 can be driven to retract relative to the mounting frame 22 by downward movement of the unlocking button 6, and the outer side face of the locking block 7 is an inclined plane.

The locking and unlocking processes and principles of the container cover and the container opening 5 of the water cup are as follows.

Locking: the connecting cavity 2a of the inner cover 2 is sleeved outside the container mouth 5, the outer cover 1 moves downwards relative to the inner cover 2 axially, the driving part 11 in the mounting cavity 1a touches the triggering part 32 at the upper end of the locking piece 3 in the downwards moving process, the driving inclined surface 111 of the driving part 11 drives the upper end of the locking piece 3 to swing outwards, the lower end of the locking piece 3 swings inwards, meanwhile, the connecting wall 12 drives the locking piece 7 to retract in the downwards moving process until the outer cover 1 moves downwards to a locking position state relative to the inner cover 2, the clamping part 31 swings inwards to clamp into the locking groove 51, meanwhile, the outwards extending locking piece 7 clamps into the positioning groove 121, the inner cover 2 and the outer cover 1 are locked together, and the sealing ring 4 is tightly pressed on the top surface of the container mouth 5. Because the inner cover 2 and the outer cover 1 are relatively locked, the clamping part 31 of the locking piece 3 is firmly clamped in the locking groove 51, the inner cover 2 and the outer cover 1 are not unlocked, the whole container cover cannot be separated from the container opening, the threaded connection between the container cover and the container opening is canceled, the outer cover 1 can be operated to move downwards along the axial direction by one hand, the sealing and the locking of the container opening 5 are completed, the operation is very convenient, the locking is firm, and the sealing is tight. The structure realizes locking when the outer cover 1 moves downwards relative to the inner cover 2, and the locking is consistent with the operation direction of covering the cover (generally moves downwards relative to the container mouth 5 to be the cover closing operation), thereby being in good accordance with the operation habit of covering the cover on the container mouth.

During unlocking, the peripheral wall of the outer cover 1 is pinched by two fingers (thumb and middle finger), the unlocking button 6 is pressed by the index finger to move downwards, the unlocking rod 61 below the unlocking button 6 touches the unlocking part 71 of the locking block 7, and the two are matched with each other in an inclined plane, so that the locking block 7 can be driven to retract relative to the mounting frame 22 by the downwards movement of the unlocking button 6, and unlocking is completed. Then, the outer cap 1 is pulled up, the trigger part 32 at the upper end of the locking piece 3 gradually breaks away from the driving inclined plane 111 of the driving part 11, the driving part 11 no longer forms constraint on outward swinging of the lower end of the locking piece 3, the outer cap 1 is pulled up continuously, the inner top surface 511 of the locking groove 51 and the top surface 311 of the clamping part 31 are inclined planes, the locking groove 51 can promote the lower end of the locking piece 3 to swing outwards, the connection cavity 2a of the inner cap 2 and the container mouth 5 are unlocked, and the whole container cap can be pulled away from the container mouth 5. The outer cover 1 moves upwards relative to the inner cover 2 to unlock, so that the unlocking operation is consistent with the operation direction of opening the cover, the operation habit of opening the cover is very consistent, and the container cover can be opened by one-hand operation so as to drink water through the container opening 5.

It should be noted that, in the description of the present embodiment, the directions or positional relationships indicated by the terms "front, rear", "left, right", "inner, outer", "upper, lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. A container cover which is quickly sealed and opened without screw threads and is matched with a container opening (5); the method is characterized in that: comprising

An outer cover (1) having a mounting cavity (1 a);

an inner lid (2) which is restrained in a mounting chamber (1 a) of the outer lid (1) and is movable up and down, the inner lid (2) having a connecting chamber (2 a) into which a container mouth (5) is inserted;

the locking pieces (3) are movably arranged on the inner cover (2), locking grooves (51) which are clamped with the locking pieces (3) are formed in the peripheral wall of the container opening (5), the locking pieces (3) are matched with the outer cover (1), and the locking pieces (3) can be driven to be clamped into or separated from the locking grooves (51) by axial movement of the outer cover (1) relative to the inner cover (2).

2. The threadless quick seal and open container cap of claim 1, wherein: the locking piece (3) is a plurality of rod pieces hinged on the inner cover (2), the lower end of the locking piece (3) is provided with a clamping part (31) used for being clamped into the locking groove (51), the upper end of the locking piece (3) is exposed out of the upper part of the inner cover (2) to form a triggering part (32), and a driving part (11) matched with the triggering part (32) is arranged in the mounting cavity (1 a) of the outer cover (1); the outer cover (1) moves downwards to a locking position state relative to the inner cover (2), and the driving part (11) drives the trigger part (32) to swing outwards, so that the clamping part (31) swings inwards to be clamped into the locking groove (51); the outer cover (1) moves upwards to an unlocking position state relative to the inner cover (2), and the clamping part (31) can swing outwards to be separated from the locking groove (51).

3. The threadless quick seal and open container cap of claim 2, wherein: the inner cover (2) is provided with a plurality of notches (21), and each notch (21) is internally hinged with one locking piece (3).

4. A threadless quick seal and open container cap according to claim 3 characterized in that: the inner top surface (511) of the locking groove (51) is an inclined surface, and the top surface (311) of the clamping part (31) is an inclined surface, so that the lower end of the locking piece (3) can be driven to swing outwards when the container mouth (5) moves downwards relative to the connecting cavity (2 a); the inner wall of the mounting cavity (1 a) is provided with a yielding concave part (1 a 1) which yields when the lower end of the locking piece (3) swings outwards.

5. The threadless quick seal and open container cap of claim 2, wherein: the driving part (11) is a boss part arranged on the inner top surface of the mounting cavity (1 a), and the outer surface of the boss part is provided with a driving inclined surface (111) in contact fit with the triggering part (32).

6. The threadless quick seal and open container cap of claim 5, wherein: the boss part is in a shape of a round table with a small bottom and a large top.

7. The threadless quick seal and open container cap of claim 1, wherein: the inner cover (2) is arranged in a mounting cavity (1 a) of the outer cover (1) through a rib groove structure, and an inner retaining shoulder (1 a 2) for limiting the downward movement of the inner cover (2) is arranged at the bottom of the mounting cavity (1 a); the inner top surface of the installation cavity (1 a) of the outer cover (1) is provided with a sealing ring (4), and the sealing ring (4) is tightly pressed on the top surface of the container opening (5) when the locking piece (3) is clamped into the locking groove (51) of the container opening (5).

8. A threadless quick seal and open container cap according to any of claims 1 to 7 characterized in that: an unlocking locking structure is arranged between the outer cover (1) and the inner cover (2); the outer cover (1) is locked with the inner cover (2) through a locking structure under the condition that the outer cover (1) moves axially relative to the inner cover (2) to enable the locking piece (3) to be clamped into the locking groove (51); after the locking structure is unlocked, the outer cover (1) can move relative to the inner cover (2) to a position enabling the locking piece (3) to move to be separated from the locking groove (51).

9. The threadless quick seal and open container cap of claim 8, wherein: the locking structure comprises an unlocking button (6) and locking blocks (7), wherein the locking blocks (7) are at least two and are restrained in a mounting frame (22) at the top of the inner cover (2) and can slide left and right, the locking blocks (7) are supported by springs (8) to keep the trend of outwards moving out of the mounting frame (22), the inner top of a mounting cavity (1 a) of the outer cover (1) is provided with two connecting walls (12) which are arranged at intervals left and right and extend downwards, the inner end surface of each connecting wall (12) is provided with a positioning groove (121), the unlocking button (6) is restrained in the outer cover (1), and the lower part of the unlocking button (6) is matched with the locking blocks (7); the overhanging locking piece (7) is clamped into the positioning groove (121), the inner cover (2) and the outer cover (1) are locked together, the unlocking button (6) moves downwards to drive the locking piece (7) to retract inwards and separate from the positioning groove (121), and the inner cover (2) and the outer cover (1) are unlocked.

10. The threadless quick seal and open container cap of claim 9, wherein: the unlocking button is characterized in that an unlocking rod (61) which is arranged at a front-back interval and extends downwards is arranged below the unlocking button (6), an outwards-extending unlocking part (71) is arranged on the front side wall and the rear side wall of the locking block (7), the lower end of the unlocking rod (61) is in inclined plane fit with the unlocking part (71), the locking block (7) can be driven to shrink inwards relative to the mounting frame (22) by downwards moving of the unlocking button (6), and the outer side face of the locking block (7) is an inclined plane.