CN211933552U - Self-locking device of cup cover - Google Patents
Self-locking device of cup cover Download PDFInfo
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- CN211933552U CN211933552U CN202020230933.0U CN202020230933U CN211933552U CN 211933552 U CN211933552 U CN 211933552U CN 202020230933 U CN202020230933 U CN 202020230933U CN 211933552 U CN211933552 U CN 211933552U
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Abstract
The utility model belongs to the technical field of the drinking cup container, specifically be a self-lock device of bowl cover. Comprises a fastening groove arranged on the flip cover and a locking fastener on the cover body; the locking fastener comprises a pressing piece and a driving plate; the middle part of the pressing part is circularly hollowed; the drive plate is a disc, is embedded in the circular hollow space and can rotate back and forth; the lock catch piece is rotationally connected with the cover body through a rotating shaft, so that the lock catch piece can turn over front and back; the upper end of the pressing piece is provided with a lock hook, the lock hook is inserted into the buckle groove to form an inverted buckle, the cover body and the flip cover are locked, and the flip cover cannot be opened; the bottom of the pressing piece is pressed towards the inner direction of the cover body, and the top of the pressing piece is outwards turned towards the outer direction of the cover body, so that the lock hook is driven to be outwards separated from the buckle groove, and the flip cover and the cover body are unlocked. The utility model discloses the advantage lies in simple structure, one-hand operation drinking cup uncaps and closes lid locking, convenient and fast.
Description
Technical Field
The utility model belongs to the technical field of the drinking cup container, concretely relates to self-lock device of bowl cover.
Background
Nowadays, cup markets are various, and in order to facilitate use of users, all manufacturers can completely grind the brain juice in the aspect of opening the structure of the cup cover. Many users find that going out to carry the drinking cup and easily touch the button by mistake in the process of using the drinking cup, lead to the bowl cover to open, and the water outflow in the bowl cover brings the puzzlement for the user. Therefore, most water cups on the market adopt the locking mechanism, but the cup cover locking mechanisms provided by most manufacturers are purely mechanical, the locking mechanism is opened/closed by manual operation of a user, and the locking mechanism is mostly required to be locked by secondary operation. Sometimes, the cup cover is forgotten to be locked. It is inconvenient to use.
Disclosure of Invention
An object of the utility model is to provide a simple structure, the self-lock device of the convenient bowl cover of operation, the drinking cup that has the bowl cover on the market of being convenient for carries out closed locking and unblock opening operation to the bowl cover.
The utility model provides a self-locking device of a cup cover, which comprises a cover body 1 covered on the cup mouth of a cup body and a flip cover 2 covered on the cover body 1, wherein the cover body 1 is provided with a water suction port or a suction pipe for people to drink water;
the self-locking device comprises: a fastening groove 4 which is fixedly arranged on the flip cover 2 and has an outward groove opening, and a locking fastener 3 arranged on the cover body; the locking piece 3 comprises a pressing piece 5 and a dial 6; a circular hollow area is arranged in the middle of the pressing piece 5; the drive plate 6 is a disc, the diameter of the drive plate 6 is matched with that of the circular hollow area, the drive plate is embedded and positioned in the circular hollow area of the pressing piece 5, and the drive plate can rotate back and forth in the circular hollow area along the circumferential direction of the disc; a rotating shaft 8 is additionally arranged, and the locking fastener 3 is rotationally connected with the cover body 1 through the rotating shaft 8, so that the locking fastener 3 can turn over front and back;
the upper end of the pressing piece 5 is provided with an inward locking hook 7, the cover body 1 and the flip cover 2 are inserted into the buckling groove 4 through the locking hook 7 to form an inverted buckle and are locked together, and the flip cover 2 cannot be turned upwards;
pressing the bottom of the pressing piece 5 towards the inner direction of the cover body 1, turning the pressing piece 5 by taking the rotating shaft 8 as a rotating shaft, and turning the top of the pressing piece 5 outwards towards the outer direction of the cover body so as to drive the locking hook 7 to move outwards and disengage from the buckling groove 4, thereby unlocking the flip cover and the cover body;
a column body 9 is arranged at the back of the drive plate 6; the driving plate 6 is rotated to drive the column body 9 to rotate; the column body 9 is provided with a convex upper clamping tongue piece 13, when the flip cover 2 and the cover body 1 are closed and locked without rotating the dial plate 6, the upper clamping tongue piece 13 is attached to the inner side wall of the front end of the flip cover 2, the dial plate 6 is rotated, and the upper clamping tongue piece 13 can stagger from the inner side wall of the front end of the flip cover 2;
when the lower end of the locking piece 3 is pressed down under the state that the cup cover is closed and locked, the upper end of the locking piece 3 can not turn outwards because the upper clamping and fixing tongue piece 13 at the upper end of the drive plate 6 is propped against the inner side wall of the turnover cover 2, and the locking hook 7 can not be separated from the locking groove 4; after the driving plate 6 is rotated, the cylinder 9 rotates along with the driving plate, so that the upper clamping tongue piece 13 rotates to stagger the inner side wall of the turnover cover, and in this state, when the lower end of the locking piece 3 is pressed down, because the clamping tongue piece 13 at the upper end of the driving plate 6 is not limited by the inner side wall of the turnover cover, the upper end of the locking piece 3 can be turned outwards, the locking hook 7 can be separated from the locking groove 4, and the cup cover is unlocked; on the contrary, under the state that the upper clamping tongue piece 13 rotates to stagger the inner side wall of the turnover cover, the turnover cover is covered, the drive plate 6 is rotated back, and the upper clamping tongue piece 13 returns to the inner side wall of the turnover cover, so that the cup cover is locked.
In the utility model, a convex upper draw hook 16 is arranged on the inner side surface of the drive plate 6, a convex lower draw hook 17 is arranged on the inner side of the pressing piece 5, the drive plate 6 is rotated, and the distance between the upper draw hook 16 and the lower draw hook 17 is increased; the upper draw hook 16 and the lower draw hook 17 are connected through a resilient elastic body 18, and the resilient elastic body 18 is in an initial non-deformation state under the cup cover locking state; when the dial 6 is rotated by external force, the upper draw hook 16 leaves the original position along with the rotation of the dial 6, the distance between the upper draw hook and the lower draw hook 17 is increased, the elastic body 18 capable of rebounding is strained and deformed, and the rebounding force is generated; the drive plate 6 is loosened by external force, the elastic body 18 which can rebound and contract is pulled, and the upper drag hook 16 is pulled to drive the drive plate 6 to return;
therefore, under the state that the upper clamping tongue piece 13 rotates to stagger the inner side wall of the turnover cover, the turnover cover is covered, the drive plate 6 is loosened, the drive plate 6 is driven to automatically rotate and return to the original position by rebounding of the rebounding elastic body 18, namely, the upper clamping tongue piece 13 returns to the inner side wall of the turnover cover.
Further, the resilient elastic body 18 is a tension spring or a rubber ring.
In the utility model, the lower end of the column body 9 is also provided with a lower clamping tongue piece 19 which protrudes downwards, and the corresponding position of the lower end of the pressing piece 5 is provided with a limit stop 12 which protrudes backwards; when the flip cover 2 and the cover body 1 are closed and locked and the drive plate 6 is not rotated, the rear end surface of the limit stop 12 is abutted against the front end surface of the lower clamping tongue piece 19, the rear end surface of the lower clamping tongue piece 19 is abutted against the cover body to form the limit to the lower clamping tongue piece 19, and the press piece 5 cannot be pressed down; after the dial 6 is rotated, the lower locking tongue piece 19 can be staggered with the limit stopper 12, and the limit is released.
When the lower end of the locking piece 3 is pressed down under the state that the cup cover is closed and locked, the upper end of the locking piece 3 can not turn outwards because the limit stop 12 of the pressing piece 5 is propped against the side wall of the cover body through the lower clamping and fixing tongue piece 13, and the locking hook 7 can not be separated from the locking groove 4; when the dial 6 is rotated, the column 9 rotates along with the dial, so that the lower clamping tongue piece rotates to stagger the limit stop 12, a pressing space is reserved, in this state, the lower end of the lock catch piece 3 can be pressed down, the upper end of the lock catch piece 3 can be outwards turned, the lock hook 7 can be separated from the buckle groove 4, and the cup cover is unlocked.
In the utility model, the top edge of the upper fastening tongue piece 13 is in the shape of an oblique arc (i.e. one end of the arc is higher and the other end is lower); as shown in fig. 4 and 5; in the process of closing the flip cover 2, the bottom surface of the front end of the flip cover 2 can be extruded on the top edge of the clamping tongue piece 13 and can be pressed down along the top edge of the arc, and the drive plate 6 can be driven to rotate in the pressing process.
The function is as follows: under the action of the resilient elastomer 18, after the dial 6 is rotated to unlock the cup cover, the external force is removed, the dial 6 returns by the resilient force when the flip 2 is opened, and when the flip 2 is covered, the bottom of the front end of the flip 2 interferes with the upper clamping tongue piece 13, and the dial 6 is required to be shifted again by the external force; the top edge of the upper clamping tongue piece 13 is designed into an oblique arc shape, when the flip cover 2 is covered, the drive plate 6 does not need to be rotated by external force, and the drive plate 6 is automatically driven to rotate in the process of pressing down the bottom of the front end of the flip cover 2; when the flip cover 2 is covered in place, the top edge of the upper clamping tongue piece 13 is staggered with the bottom of the front end of the flip cover 2, and the drive plate 6 automatically rebounds to return to the original position, so that the upper clamping tongue piece 13 falls into the side wall of the front end of the flip cover 2; the cover closing action can be completed by one action of a single hand, and the cup cover is automatically locked.
In the utility model, the locking fastener 3 is arranged at the front end part area of the cover body 1;
when the turning cover 2 is covered on the cover body 1, a gap 11 is formed between the side wall of the front end part of the turning cover 2 and the cup mouth;
a space is arranged in the front end part area of the cover body 1 and serves as a locking device cavity 10, the front opening of the cavity faces outwards, and meanwhile, a top opening is also formed in the top surface of the locking device cavity 10, so that the cavity of the locking device cavity 10 can be directly communicated with the gap 11; as shown in fig. 3;
the pressing piece 5 and the drive plate 6 are arranged at the front opening position of the cavity of the locking device cavity 10; the cylinder 9 is inserted into the locking device cavity 10, the rear end part of the cylinder is not attached to the side wall of the locking device cavity 10, and a gap for the cylinder 9 to move inwards is reserved;
the upper clamping tongue piece 13 is attached to the inner side of the side wall at the front end of the flip cover 2 by rotating and inserting into the gap 11; as shown in fig. 1.
The utility model discloses in, press on 5, and be located and still leave the space under limit stop 12, be provided with the resilient means 14 that can compress the resilience, press 5 and receive external force to push down, extrude resilient means 14, after external force withdraws, resilient means 14 kick-backs, makes to press 5 automatic playback.
Further, the elastic device is a spring or a soft rubber block.
In the utility model, the rotating shaft 8 is a long metal rod, and transversely penetrates through the pressing piece 5 and the driving plate 6; the left and right protruded rotating shafts 8 of the pressing piece 5 are inserted into the rotating holes preset on the left and right inner side surfaces of the front opening of the cavity and are connected in a rotating mode.
The utility model discloses in, tip is connected through the pivot behind flip 2 and the lid 1, and is equipped with the shell fragment, and when the flip lid closed on the lid, the shell fragment was compressed, produced elasticity, as the external force of opening flip.
The utility model has the advantages of simple structure is ingenious, and convenient to use is swift, one-hand operation, drinking cup are closed and the locking is accomplished in one step.
Drawings
Fig. 1 is a schematic side sectional internal structure diagram of the lock of the embodiment.
Fig. 2 is a partial structure diagram of a side section of the unlocking and uncovering device according to the embodiment.
Fig. 3 is a schematic side sectional view of a flip cover and a cover according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a part of a side wall of a front end region of the flip cover and the inside of the locking member, showing a locking connection relationship between the flip cover and the locking member.
Fig. 5 is an enlarged detail view of the catch member.
Fig. 6 is a sectional view taken along line a-a of fig. 5.
Fig. 7 is an exploded view of the structure of the embodiment.
Reference numbers in the figures: the locking device comprises a cover body 1, a flip cover 2, a locking fastener 3, a locking groove 4, a pressing part 5, a driving plate 6, a locking hook 7, a rotating shaft 8, a cylinder 9, a locking device cavity 10, a gap 11, a limit stop 12, an upper clamping and fixing tongue piece 13, an elastic device 14, a gap area 15, an upper drag hook 16, a lower drag hook 17, a resilient elastic body 18 and a lower clamping and fixing tongue piece 19.
Detailed Description
The utility model discloses the water storage cup of stainless steel for use. The cup cover comprises a cover body 1 covering the cup opening of the water storage cup and a turnover cover 2 covering the cover body 1; the cover body 1 is provided with a water suction port or a suction pipe for people to drink water and is covered on the cup mouth through screw thread rotation; the cup cover is made of plastic materials and is formed by injection molding. The rear end of the flip cover 2 is connected with the rear end part of the cover body 1 through a shaft, and is provided with an elastic sheet, when the flip cover 2 is covered on the cover body 1, the elastic sheet is compressed to generate elastic force which is used as external force for opening the flip cover; the structure is the same as that of a water cup sold in the market.
The utility model discloses in, still include: a fastening groove 4 which is fixedly arranged on the flip cover 2 and has an outward groove opening, and a locking fastener 3 arranged on the cover body; the catching groove 4 is a groove and is arranged on the outer side surface of the front end of the flip cover 2, the groove opening is outward, and the catching groove and the flip cover 2 are integrally formed by injection molding.
The locking fastener 3 is arranged at the front end part area of the cover body 1;
the front end regions of the cover body 1 and the flip cover 2 are a spliced and protruded cylindrical opening in a covering state, as shown in fig. 7; when the flip cover 2 is covered on the cover body 1, a gap 11 is formed between the side wall of the front end part area of the flip cover 2 and the side wall of the cup opening (namely, the side wall of the front end part area of the cover body 1);
the inner space of the front end part area of the cover body 1 is used as a locking device cavity 10, the front opening of the cavity is forward and outward, and meanwhile, the top surface of the locking device cavity 10 is also provided with a top opening, so that the cavity of the locking device cavity 10 can be directly communicated with the gap 11; as shown in fig. 3;
the inner side of the top of the pressing piece 5 is provided with a locking hook 7 which protrudes inwards and is integrally formed with the pressing piece 5, the direction is inward (towards the inside of the cup body), the cover body 1 and the flip cover 2 are inserted into the buckling groove 4 through the locking hook 7 to form an inverted buckle and are locked together, and the flip cover 2 cannot be turned upwards; an inclined plane is arranged at the bottom of the front end of the flip cover 2 below the buckling groove 4, so that the lock hook 7 can conveniently slide into the buckling groove 4 when the flip cover 2 is covered; as shown in fig. 1;
pressing the bottom of the pressing piece 5 towards the inner direction of the cover body 1, turning the pressing piece 5 by taking the rotating shaft 8 as a rotating shaft, and turning the top of the pressing piece 5 outwards towards the outer direction of the cover body so as to drive the locking hook 7 to move outwards and disengage from the buckling groove 4, thereby unlocking the flip cover and the cover body;
the lock catch piece 3 is arranged at the front opening position of the cavity of the locking device cavity 10, the lower half part of the whole lock catch piece 3 covers the front opening position of the cavity of the locking device cavity 10, and the upper half part of the whole lock catch piece 3 covers the front end face of the turnover cover, so that the lock hook 7 at the top of the pressing piece 5 can correspond to the position of the fastening groove 4 of the cover body.
The lock catch piece 3 comprises a pressing piece 5 and a drive plate 6 and is made of plastic materials; the main body of the pressing piece 5 is annular, a circular hollow area is arranged in the middle of the pressing piece, the diameter of an outer circle is 24mm, and the diameter of an inner circle is 19 mm; the drive plate 6 is a disc, and the diameter of the drive plate 6 is matched with that of the circular hollow area; convex dots are arranged on the outer surface of the drive plate 6 close to the edge, so that a user can conveniently stir the disk by fingers;
a cylinder 9 is arranged at the back of the drive plate 6, and the diameter of the cylinder is 11.8 mm; the cylinder 9 is inserted into the locking device cavity 10, the rear end part of the cylinder is not attached to the inner side wall of the locking device cavity 10, and a gap for the cylinder 9 to move inwards is reserved; the dial 6 is rotated to rotate the column 9; the upper part of the column 9 is provided with an integrally formed upper clamping tongue piece 13 which protrudes upwards, and when the flip cover 2 and the cover body 1 are closed and locked and the dial 6 is not rotated, the upper clamping tongue piece 13 is inserted into the gap 11 and clings to the rear side wall of the front end part area of the flip cover; the dial 6 is rotated, the upper clamping tongue piece 13 can rotate out of the gap 11, and the side wall of the front end part of the flip cover 2 is staggered;
meanwhile, in order to strengthen the locking firmness, the lower end of the column body 9 is also provided with a lower clamping and fixing tongue piece 19 protruding downwards, the corresponding position of the lower end of the pressing piece 5 is provided with a limit stop 12 protruding backwards and integrally formed, and the length of the limit stop 12 is shorter than that of the column body 9, so that the lower clamping and fixing tongue piece 19 can be tightly attached to the rear end face of the limit stop 12; when the flip cover 2 and the cover body 1 are closed and locked and the drive plate 6 is not rotated, the rear end surface of the limit stop 12 is abutted against the front end surface of the lower clamping tongue piece 19, the rear end surface of the lower clamping tongue piece 19 is abutted against the outer side surface of the side wall of the front section of the cover body to form the limit to the lower clamping tongue piece 19, and the pressing piece 5 cannot be pressed down; after the dial 6 is rotated, the lower clamping tongue piece 19 can be staggered with the limit stop 12, and the limit is released;
meanwhile, the height of the limit stop 12 is higher than that of the annular inner ring at the lower end of the drive plate 6, so that an inward block for the drive plate 6 is formed; as shown in fig. 1; the pressing piece 5 can not be separated inwards when the dial 6 is pressed inwards, and the pressing piece 5 can be driven to be pressed inwards together.
A rotating shaft 8 which is a long metal rod is arranged and transversely penetrates through the pressing piece 5 and the driving plate 6; two ends of the rotating shaft 8 are inserted into rotating holes preset on the left inner side surface and the right inner side surface of the front opening of the locking device cavity 10, and are connected in a rotating mode, so that the locking fastener 3 can turn back and forth;
a gap area 15 is arranged on the column 9 at a position penetrated by the rotating shaft 8, is symmetrical to the rotating shaft 8, and is used for avoiding the rotating shaft 8 and enabling the driving plate 6 to rotate smoothly when the driving plate 6 rotates as shown in fig. 5 and 6; and meanwhile, the rotation of the dial plate 6 is limited, and the elastic body 18 which can rebound can not be stretched excessively.
A convex upper draw hook 16 is arranged on the inner side surface of the drive plate 6, and a convex lower draw hook 17 is arranged at the root part of the column body 9 of the pressing piece 5; in the vertical direction, the lower draw hook 17 is positioned below the upper draw hook 16, the drive plate 6 is rotated, and the distance between the upper draw hook 16 and the lower draw hook 17 is increased; the upper draw hook 16 and the lower draw hook 17 are connected through a resilient elastic body 18, the resilient elastic body 18 is an elastic rubber ring, and the upper draw hook 16 and the lower draw hook 17 are sleeved with the elastic rubber ring; and under the locking state of the cup cover, the rubber ring is in an initial non-deformation state; when the dial 6 is rotated by external force, the upper draw hook 16 leaves the original position along with the rotation of the dial 6, the distance between the upper draw hook and the lower draw hook 17 is increased, the rubber ring is strained and deformed, and resilience force is generated; the driving plate 6 is loosened by external force, the rubber ring rebounds and contracts, and the upper drag hook 16 is pulled to drive the driving plate 6 to return; the positions of the upper draw hook 16 and the lower draw hook 17 can be set according to actual conditions, and because the upper draw hook 16 rotates along with the driving plate 6 to do circular motion, the position and the initial position of the upper draw hook can inevitably generate horizontal and vertical displacement after rotation, and the rubber ring can inevitably be tensioned.
A space is reserved on the pressing piece 5 and below the limit stop 12, an elastic device 14 capable of compressing and rebounding is arranged, the elastic device 14 adopts a spring, one end of the elastic device supports against the inner side face of the pressing piece 5, and the other end of the elastic device supports against the front side wall of the cover body; the pressing piece 5 is pressed by external force to extrude the spring, and when the external force is removed, the spring rebounds to enable the pressing piece 5 to automatically turn over and return to the original position, namely the lock hook 7 is inserted into the groove 4; as shown in fig. 1. The spring may also be replaced by a soft rubber block.
The top edge of the upper clamping tongue piece 13 is in the shape of an oblique arc (i.e., one end of the arc is higher and the other end is lower), as shown in fig. 4 and 5; in the process of closing the flip cover 2, the bottom surface of the front end of the flip cover 2 can be extruded on the top edge of the clamping tongue piece 13 and can be pressed down along the top edge of the arc, and the drive plate 6 can be driven to rotate in the pressing process. The function is as follows: under the action of the resilient elastomer 18, after the dial 6 is rotated to unlock the cup cover, the external force is removed, the dial 6 returns by the resilient force when the flip 2 is opened, and when the flip 2 is covered, the bottom of the front end of the flip 2 interferes with the upper clamping tongue piece 13, and the dial 6 is required to be shifted again by the external force; the top edge of the upper clamping tongue piece 13 is designed into an oblique arc shape, when the flip cover 2 is covered, the drive plate 6 does not need to be rotated by external force, and the drive plate 6 is automatically driven to rotate in the process of pressing down the bottom of the front end of the flip cover 2; when the flip cover 2 is covered in place, the top edge of the upper clamping tongue piece 13 is staggered with the bottom of the front end of the flip cover 2, and the drive plate 6 automatically rebounds to return to the original position, so that the upper clamping tongue piece 13 falls into the side wall of the front end of the flip cover 2; the cover closing action can be completed by one action of a single hand, and the cup cover is automatically locked.
When the lower end of the locking piece 3 is pressed down under the state that the cup cover is closed and locked, the upper end of the locking piece 3 can not turn outwards because the upper clamping and fixing tongue piece 13 at the upper end of the drive plate 6 is propped against the inner side wall of the turnover cover 2, and the locking hook 7 can not be separated from the locking groove 4; after the driving plate 6 is rotated, the cylinder 9 rotates along with the driving plate, so that the upper clamping tongue piece 13 rotates to stagger the inner side wall of the turnover cover, and in this state, when the lower end of the locking piece 3 is pressed down, because the clamping tongue piece 13 at the upper end of the driving plate 6 is not limited by the inner side wall of the turnover cover, the upper end of the locking piece 3 can be turned outwards, the locking hook 7 can be separated from the locking groove 4, and the cup cover is unlocked; on the contrary, under the state that the upper clamping tongue piece 13 rotates to stagger the inner side wall of the turnover cover, the turnover cover is covered, the drive plate 6 is loosened, the drive plate 6 is driven to automatically rotate and return to the original position by rebounding of the rebounding elastic body 18, namely, the upper clamping tongue piece 13 returns to the inner side wall of the turnover cover.
Meanwhile, when the lower end of the locking piece 3 is pressed down in the closed and locked state of the cup cover, the upper end of the locking piece 3 can not turn outwards because the limit stop 12 of the pressing piece 5 is propped against the side wall of the cover body through the lower clamping and fixing tongue piece 13, and the locking hook 7 can not be separated from the locking groove 4; when the dial 6 is rotated, the column 9 rotates along with the dial, so that the lower clamping tongue piece rotates to stagger the limit stop 12, a pressing space is reserved, in this state, the lower end of the lock catch piece 3 can be pressed down, the upper end of the lock catch piece 3 can be outwards turned, the lock hook 7 can be separated from the buckle groove 4, and the cup cover is unlocked.
In the utility model, in addition, the press piece 5 can be designed to be provided with a circle of convex at the edge of the inner ring, and a circle of corresponding concave at the outer edge of the drive plate 6; by utilizing the deformable characteristic of the plastic material, the driving plate 6 is stuck into a circular hollow area in the pressing piece 5 along the edge card to form a rotating track, so that the driving plate 6 rotates back and forth in the pressing piece 5 along the circumferential direction of the disc; further enhancing the tightness of the coupling between the presser 5 and the dial 6.
When the utility model is used, when the lower end part of the lock catch piece 3 is pressed, because the front end surface of the upper clamping tongue piece 13 on the upper part of the cylinder 9 of the drive plate 6 props against the rear side wall of the front end part area of the flip cover, the lower end part of the drive plate 6 is limited to be pressed down based on the wane principle, and meanwhile, the limit stop 12 of the press piece 5 props against the front end surface of the lower clamping tongue piece 19 on the lower part, and the press piece 5 is limited to be pressed down; based on this ingenious linkage is spacing, and whole 3 lower parts of hasp piece are locked and can not push down, based on the wane principle, press 5 upper ends latch hook 7 can not break away from catching groove 4, and flip 2 and 1 locking of lid are closed.
When the dial 6 is rotated and the column 9 rotates, the upper clamping tongue piece 13 can enter the locking device cavity 10 along with the rotation out of the gap 11; the lower clamping tongue piece 19 can leave the rear end surface of the limit stop 12 along with the rotation; therefore, the lower ends of the pressing piece 5 and the drive plate 6 can be pressed downwards (namely the lower part of the locking piece 3 can be pressed downwards), and based on the wane principle, the locking hook 7 at the upper end of the pressing piece 5 can be separated from the buckling groove 4, so that the flip cover and the cover body are unlocked; at this time, the flip cover is bounced open by the elastic force of the elastic pieces at the rotating shafts at the rear end parts of the flip cover and the cover body.
The utility model has the advantages of simple structure is ingenious, and convenient to use is swift, one-hand operation, drinking cup are closed and the locking is accomplished in one step.
While, for purposes of simplicity of explanation, the above-described methodologies are shown and described as a series of structures, it is to be understood and appreciated that the methodologies are not limited by detail, as some structures may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, but as may be understood by those of ordinary skill in the art.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A self-locking device of a cup cover comprises a cover body (1) covering a cup opening of a cup body and a turnover cover (2) covering the cover body (1), wherein a water suction opening or a suction pipe for people to drink water is arranged on the cover body (1);
the self-locking device comprises: a fastening groove (4) which is fixedly arranged on the flip cover (2) and has an outward grooving opening, and a locking fastener (3) arranged on the cover body; the locking fastener (3) comprises a pressing piece (5) and a dial (6); the middle part of the pressing piece (5) is provided with a circular hollow area; the drive plate (6) is a disc, the diameter of the drive plate (6) is matched with that of the circular hollow area, the drive plate is embedded and positioned in the circular hollow area of the pressing piece (5), and the drive plate can rotate back and forth in the circular hollow area along the circumferential direction of the disc; a rotating shaft (8) is additionally arranged, and the locking fastener (3) is rotationally connected with the cover body (1) through the rotating shaft (8) so that the locking fastener (3) can be turned over front and back;
the upper end of the pressing piece (5) is provided with an inward lock hook (7), the cover body (1) and the flip cover (2) are inserted into the buckle groove (4) through the lock hook (7) to form an inverted buckle and are locked together, and the flip cover (2) cannot be turned upwards;
the bottom of the pressing piece (5) is pressed towards the inner direction of the cover body (1), the pressing piece (5) turns over by taking the rotating shaft (8) as a rotating shaft, and the top of the pressing piece (5) turns outwards towards the outer direction of the cover body, so that the locking hook (7) is driven to move outwards and is separated from the buckling groove (4), and the flip cover and the cover body are unlocked;
a column body (9) is arranged at the back of the drive plate (6); the rotary driving plate (6) drives the column body (9) to rotate; the column body (9) is provided with a convex upper clamping tongue piece (13), the flip cover (2) and the cover body (1) are covered and locked, and when the dial plate (6) is not rotated, the upper clamping tongue piece (13) is attached to the inner side wall of the front end of the flip cover (2), the dial plate (6) is rotated, and the upper clamping tongue piece (13) can stagger from the inner side wall of the front end of the flip cover (2);
when the lower end of the locking piece (3) is pressed down under the state that the cup cover is closed and locked, the upper end of the locking piece (3) can not turn outwards because the upper clamping tongue piece (13) at the upper end of the drive plate (6) is propped against the inner side wall of the turnover cover (2), and the locking hook (7) can not be separated from the fastening groove (4); after the driving plate (6) is rotated, the cylinder (9) rotates along with the driving plate, so that the upper clamping tongue piece (13) rotates to stagger the inner side wall of the turnover cover, and in this state, when the lower end of the locking piece (3) is pressed down, because the clamping tongue piece (13) at the upper end of the driving plate (6) is not limited by the inner side wall of the turnover cover, the upper end of the locking piece (3) can be outwards turned, so that the locking hook (7) can be separated from the fastening groove (4), and the cup cover is unlocked; on the contrary, under the state that the upper clamping tongue piece (13) rotates to stagger the inner side wall of the turnover cover, the turnover cover is covered, the drive plate (6) is rotated back, and the upper clamping tongue piece (13) returns to the inner side wall of the turnover cover, so that the cup cover is locked.
2. The self-locking device of the cup cover according to claim 1, characterized in that a convex upper draw hook (16) is arranged on the inner side surface of the catch plate (6), a convex lower draw hook (17) is arranged on the inner side of the pressing piece (5), the catch plate (6) is rotated, and the distance between the upper draw hook (16) and the lower draw hook (17) is increased; the upper draw hook (16) and the lower draw hook (17) are connected through a resilient elastomer (18), and the resilient elastomer (18) is in an initial non-deformation state under the cup cover locking state; when the drive plate (6) is rotated by external force, the upper draw hook (16) leaves the original position along with the rotation of the drive plate (6), the distance between the upper draw hook and the lower draw hook (17) is increased, the elastic body (18) which can rebound is strained and deformed, and the rebound force is generated; the driving plate (6) is loosened by external force, the elastic body (18) which can rebound and contract, and the upper drag hook (16) is pulled to drive the driving plate (6) to return;
under the state that the upper clamping tongue piece (13) rotates to stagger the inner side wall of the turnover cover, the turnover cover is covered, the drive plate (6) is loosened, and the drive plate (6) is driven to automatically rotate and return to the original position by rebounding of the rebounding elastomer (18), namely the upper clamping tongue piece (13) returns to the inner side wall of the turnover cover.
3. Self-locking device of the cup lid according to claim 2, characterized in that the resilient elastic body (18) is a tension spring or a rubber ring.
4. The self-locking device of the cup cover in claim 2 or 3, characterized in that the lower end of the column body (9) is further provided with a lower clamping tongue piece (19) protruding downwards, and a limit stop (12) protruding backwards is arranged at a position corresponding to the lower end of the pressing piece (5); when the flip cover (2) and the cover body (1) are closed and locked and the drive plate (6) is not rotated, the rear end face of the limit stop block (12) is propped against the front end face of the lower clamping tongue piece (19), the rear end face of the lower clamping tongue piece (19) is propped against the cover body to form the limit to the lower clamping tongue piece (19), and the press piece (5) cannot be pressed down; after the dial (6) is rotated, the lower clamping tongue piece (19) can be staggered with the limit stop (12) to release the limit.
5. The self-locking device of the cup cover according to claim 4, characterized in that the top edge of the upper clamping tongue piece (13) is in a shape of an oblique circular arc; in the covering process of the flip cover (2), the bottom surface of the front end of the flip cover (2) can be extruded on the top edge of the clamping tongue piece 13 and can be pressed down along the top edge of the arc, and the drive plate (6) can be driven to rotate in the pressing process;
after the dial plate (6) is rotated to unlock the cup cover, the external force is removed, the dial plate (6) returns to the original position under the action of the resilience force when the flip cover (2) is opened, the bottom of the front end of the flip cover (2) interferes with the upper clamping tongue piece (13) when the flip cover (2) is covered, and the dial plate (6) is shifted again by the external force; the top edge of the upper clamping tongue piece (13) is designed into an oblique arc shape, when the flip cover (2) is covered, an external force is not needed to rotate the drive plate (6), and the drive plate (6) is automatically driven to rotate in the process of pressing down the bottom of the front end of the flip cover (2); when the flip cover (2) is covered in place, the top edge of the upper clamping tongue piece (13) is staggered with the bottom of the front end of the flip cover (2), and the drive plate (6) automatically rebounds to return to the original position, so that the upper clamping tongue piece (13) falls into the side wall of the front end of the flip cover (2).
6. The self-locking device of a cup lid according to claim 4, characterized in that the locking piece (3) is arranged in the front end region of the lid body (1);
when the flip cover (2) is covered on the cover body (1), a gap (11) is formed between the side wall of the front end part of the flip cover (2) and the cup mouth;
a space is arranged in the front end part area of the cover body (1) and serves as a locking device cavity (10), the front opening of the cavity faces outwards, and meanwhile, a top opening is also formed in the top surface of the locking device cavity (10), so that the cavity of the locking device cavity (10) can be directly communicated with the gap (11);
the pressing piece (5) and the driving plate (6) are arranged at the front opening position of the cavity body of the locking device cavity (10); the cylinder (9) is inserted into the locking device cavity (10), the rear end part of the cylinder is not attached to the side wall of the locking device cavity (10), and a gap for the cylinder (9) to move inwards is reserved.
7. The self-locking device of the cup cover according to claim 5 or 6, characterized in that a space is left on the pressing piece (5) and below the limit stop (12), an elastic device (14) capable of compressing and rebounding is arranged, the pressing piece (5) is pressed down by external force to extrude the elastic device (14), and when the external force is removed, the elastic device (14) rebounds to enable the pressing piece (5) to automatically return to the original position.
8. The self-locking device of a cup cover of claim 7, wherein the elastic means is a spring or a soft rubber block.
9. The self-locking device of the cup cover in claim 1, wherein the rotating shaft (8) is a long metal rod which transversely penetrates through the pressing piece (5) and the driving plate (6); the left and right protruded rotating shafts (8) of the pressing piece (5) are inserted into the rotating holes preset on the left and right inner side surfaces of the front opening of the cavity and are connected in a rotating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020230933.0U CN211933552U (en) | 2020-03-01 | 2020-03-01 | Self-locking device of cup cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020230933.0U CN211933552U (en) | 2020-03-01 | 2020-03-01 | Self-locking device of cup cover |
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| Publication Number | Publication Date |
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| CN211933552U true CN211933552U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020230933.0U Active CN211933552U (en) | 2020-03-01 | 2020-03-01 | Self-locking device of cup cover |
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| CN (1) | CN211933552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184410A (en) * | 2020-03-01 | 2020-05-22 | 上海岸谷工业产品设计有限公司 | Self-locking device of cup cover |
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2020
- 2020-03-01 CN CN202020230933.0U patent/CN211933552U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184410A (en) * | 2020-03-01 | 2020-05-22 | 上海岸谷工业产品设计有限公司 | Self-locking device of cup cover |
| CN111184410B (en) * | 2020-03-01 | 2024-05-10 | 上海岸谷工业产品设计有限公司 | Self-locking device of cup cover |
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