CN111184410B - Self-locking device of cup cover - Google Patents
Self-locking device of cup cover Download PDFInfo
- Publication number
- CN111184410B CN111184410B CN202010133243.8A CN202010133243A CN111184410B CN 111184410 B CN111184410 B CN 111184410B CN 202010133243 A CN202010133243 A CN 202010133243A CN 111184410 B CN111184410 B CN 111184410B
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- Prior art keywords
- cover
- driving plate
- piece
- flip
- clamping tongue
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- 229920001971 elastomer Polymers 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 2
- 241000190070 Sarracenia purpurea Species 0.000 abstract description 9
- 239000011796 hollow space material Substances 0.000 abstract 1
- 230000009471 action Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
Landscapes
- Devices For Opening Bottles Or Cans (AREA)
- Closures For Containers (AREA)
Abstract
The invention belongs to the technical field of water cup containers, and particularly relates to a self-locking device of a cup cover. Comprises a buckling groove arranged on the flip cover and a buckling piece on the cover body; the lock catch piece comprises a pressing piece and a driving plate; the middle part of the pressing piece is circularly hollowed out; the driving plate is a disc, is embedded into the circular hollow space and can rotate back and forth; the locking piece is rotationally connected with the cover body through a rotating shaft, so that the locking piece can turn back and forth; the upper end of the pressing piece is provided with a lock hook, the lock hook is inserted into the buckling groove to form a back-off, the cover body and the flip cover are locked, and the flip cover cannot be turned over; 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 over towards the outer direction of the cover body, so that the lock hook is driven to outwards separate from the buckling groove, and the flip cover and the cover body are unlocked. The invention has the advantages of simple structure, convenient and quick operation of the cover opening and Guan Gaisuo stop of the water cup by one hand.
Description
Technical Field
The invention belongs to the technical field of water cup containers, and particularly relates to a self-locking device of a cup cover.
Background
The market variety of the current cup is numerous, and in order to be convenient for users to use, each manufacturer is rack brains on the aspect of opening the structure of the cup cover. Many users find that when the user uses the water cup, the user can easily touch the button by mistake when carrying the water cup outside, so that the cup cover is opened, and water in the cup cover flows out, thereby bringing trouble to the user. Therefore, most of the water cups in the market adopt locking mechanisms, but the cup cover locking mechanisms provided by most manufacturers are purely mechanical, and the locking mechanisms are manually operated by users to open/close, so that secondary operation locking is needed in most cases. Sometimes, forgetting and locking the cup cover can be caused. The use is inconvenient.
Disclosure of Invention
The invention aims to provide the self-locking device of the cup cover, which has a simple structure and is convenient to operate, and is convenient for closing, locking and unlocking operations of the cup cover by a water cup with the cup cover on the market.
The invention provides a self-locking device of a cup cover, which comprises a cover body 1 covered on the mouth of a cup body and a flip cover 2 covered on the cover body 1, wherein a water sucking mouth or a suction pipe for people to drink water is arranged on the cover body 1;
The self-locking device comprises: the locking device comprises a buckling groove 4 fixedly arranged on a flip cover 2 and provided with an outward notch, and a locking piece 3 arranged on a cover body; the locking piece 3 comprises a pressing piece 5 and a driving plate 6; the middle part of the pressing piece 5 is provided with a round hollow area; the driving plate 6 is a disc, the diameter of the driving plate 6 is matched with the diameter of the circular hollowed-out area, and the driving plate 6 is embedded and positioned in the circular hollowed-out area of the pressing piece 5 and can rotate back and forth in the circular hollowed-out area along the circumferential direction of the disc; the lock catch piece 3 is rotatably connected with the cover body 1 through the rotating shaft 8, so that the lock catch piece 3 can turn back and forth;
The upper end of the pressing piece 5 is provided with an inward latch hook 7, the cover body 1 and the flip cover 2 are locked together by inserting the latch hook 7 into the latch slot 4 to form a back-off, and the flip cover 2 cannot be opened upwards;
The bottom of the pressing piece 5 is pressed towards the inner direction of the cover body 1, the pressing piece 5 is turned over by taking the rotating shaft 8 as a rotating shaft, the top of the pressing piece 5 is turned outwards towards the outer direction of the cover body, and accordingly the lock hook 7 is driven to move outwards, the lock hook is separated from the buckling groove 4, and the flip cover and the cover body are unlocked;
The back of the driving plate 6 is provided with a column body 9; 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 in cover locking, and the driving 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 driving plate 6 is rotated, and the upper clamping tongue piece 13 can be staggered from the inner side wall of the front end of the flip cover 2;
When the cover is covered and locked, and the lower end of the lock catch piece 3 is pressed down, the upper end of the lock catch piece 3 cannot be turned outwards because the upper clamping tongue piece 13 at the upper end of the driving plate 6 is supported by the inner side wall of the flip cover 2, and the lock hook 7 cannot be separated from the lock groove 4; after the driving plate 6 is rotated, the column body 9 rotates along with the driving plate, so that the upper clamping tongue piece 13 rotates to stagger the inner side wall of the flip cover, and in the state, when the lower end of the lock catch piece 3 is pressed down, the upper end of the lock catch piece 3 can be turned outwards 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 flip cover, and the lock hook 7 can be separated from the lock groove 4, so that the cup cover is unlocked; on the contrary, in the state that the upper clamping tongue piece 13 rotates to stagger the inner side wall of the flip cover, the flip cover is covered, the driving plate 6 is rotated back, and the upper clamping tongue piece 13 returns to the inner side wall of the flip cover, so that the cup cover is locked.
In the invention, the inner side surface of the driving plate 6 is provided with a convex upper draw hook 16, the inner side of the pressing piece 5 is provided with a convex lower draw hook 17, the driving 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 rebound elastic body 18, and the rebound elastic body 18 is in an initial non-deformation state in a cup cover locking state; when the dial 6 is rotated by external force, the upper draw hook 16 is rotated away from the original position along with the dial 6, the distance between the upper draw hook 17 and the lower draw hook 17 is increased, and the elastic body 18 capable of rebounding is tensioned and deformed to generate rebounding force; the driving plate 6 is loosened by external force, the elastic body 18 can rebound and shrink, and the upper drag hook 16 is pulled to drive the driving plate 6 to return to the original position;
In this way, when the upper clamping tongue piece 13 rotates to stagger the inner side wall of the flip cover, the flip cover is covered, the dial plate 6 is loosened, and the resilient elastic body 18 is utilized to rebound to drive the dial plate 6 to automatically rotate and return, namely, the upper clamping tongue piece 13 returns to the inner side wall of the flip cover.
Further, the resilient elastic body 18 is a tension spring or a rubber band.
In the invention, the lower end of the column body 9 is also provided with a downward protruding lower clamping tongue piece 19, and a backward protruding limit stop 12 is arranged at a corresponding position of the lower end of the pressing piece 5; when the flip cover 2 and the cover body 1 are locked in a covering manner and the dial plate 6 is not rotated, the rear end face of the limit stop 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, so that the limit of the lower clamping tongue piece 19 is formed, and the pressing piece 5 cannot be pressed down; after the dial plate 6 is rotated, the lower clamping tongue piece 19 can be staggered with the limit stop 12, and the limit is released.
When the cover is covered and locked, and the lower end of the lock catch piece 3 is pressed down, the upper end of the lock catch piece 3 cannot be turned outwards and the lock hook 7 cannot be separated from the lock groove 4 because the limit stop 12 of the pressing piece 5 is propped against the side wall of the cover body through the lower clamping tongue piece 13; when the driving plate 6 is rotated, the column body 9 rotates along with the driving plate, the lower clamping tongue piece rotates to stagger the limit stop 12, a downward pressing space is reserved, in this state, the lower end of the locking piece 3 can be pressed down, 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 therefore the cup cover is unlocked.
In the invention, the top edge of the upper clamping tongue piece 13 is in an oblique circular arc shape (namely, two ends of the circular arc are high at one end and low at the other end); as shown in fig. 4 and 5; in the process of covering 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 circular arc top edge, and the driving plate 6 can be driven to rotate in the pressing process.
The function is as follows: due to the action of the elastic body 18 capable of rebounding, after the driving plate 6 is rotated to unlock the cup cover, the external force is removed, and when the flip 2 is opened, the driving plate 6 is reset by the rebounding force, and when the flip 2 is covered at the moment, the bottom of the front end of the flip 2 can interfere with the upper clamping tongue piece 13, and the driving plate 6 is required to be stirred again by the external force; by designing the top edge of the upper clamping tongue piece 13 into an oblique circular arc shape, when the flip cover 2 is covered, the dial 6 is rotated without external force, and the dial 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 driving plate 6 automatically rebounds and returns 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 one hand, and the cup cover is automatically locked.
In the present invention, the locking member 3 is provided in the front end region of the cover 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 rim;
A space is arranged in the front end part area of the cover body 1 and used as a locking device cavity 10, the front opening of the cavity faces outwards, 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 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 column body 9 is inserted into the locking device cavity 10, the rear end part of the column body is not attached to the side wall of the locking device cavity 10, and a gap for the column body 9 to move inwards is reserved;
the upper clamping tongue piece 13 is inserted into the gap 11 by rotating and is attached to the inner side of the side wall of the front end of the flip cover 2; as shown in fig. 1.
In the invention, a space is reserved on the pressing piece 5 and below the limit stop 12, and an elastic device 14 capable of compressing and rebounding is arranged, the pressing piece 5 is pressed down by external force, the elastic device 14 is extruded, and when the external force is removed, the elastic device 14 rebounds, so that the pressing piece 5 is automatically reset.
Further, the elastic device is a spring or a soft rubber block.
In the invention, 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 protruding rotating shafts 8 of the pressing piece 5 are inserted into the rotating holes preset on the left and right inner sides of the front opening of the cavity and are connected in a rotating way.
In the invention, the rear end parts of the flip cover 2 and the cover body 1 are connected through the rotating shaft, and the flip cover is provided with the elastic sheet, when the flip cover is covered on the cover body, the elastic sheet is compressed to generate elastic force, and the elastic force is used as external force for opening the flip cover.
The invention has the advantages of simple and ingenious structure, convenient and quick use, one-hand operation, and one-step closing and locking of the water cup.
Drawings
Fig. 1 is a schematic diagram showing an internal structure of a side section at the time of locking in an embodiment.
Fig. 2 is a schematic side sectional partial structure when the cover is unlocked according to the embodiment.
Fig. 3 is a schematic diagram of a partially enlarged side section of the flip cover and cover of the embodiment.
Fig. 4 is a schematic structural view of a side wall part of the front end region of the flip cover and the inside of the latch, showing the latch connection relationship between the flip cover and the latch.
Fig. 5 is an enlarged detail view of the latch.
Fig. 6 is a cross-sectional view A-A of fig. 5.
Fig. 7 is an exploded view of an embodiment.
Reference numerals in the drawings: 1 is a cover body, 2 is a flip cover, 3 is a locking piece, 4 is a buckling groove, 5 is a pressing piece, 6 is a driving plate, 7 is a locking hook, 8 is a rotating shaft, 9 is a column, 10 is a locking device cavity, 11 is a gap, 12 is a limit stop, 13 is an upper clamping tongue piece, 14 is an elastic device, 15 is a gap area, 16 is an upper draw hook, 17 is a lower draw hook, 18 is a rebound elastic body, and 19 is a lower clamping tongue piece.
Detailed Description
The invention discloses a stainless steel water storage cup. The cup cover comprises a cover body 1 covered on the cup mouth of the water storage cup and a flip cover 2 covered on 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 rotationally covered on the cup opening through threads; the cup cover is formed by injection molding of plastic materials. The rear end of the flip cover 2 is connected with the rear end of the cover body 1 through a shaft, and is provided with an elastic sheet, and 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; is the same as the conventional structure of the water cup sold in the market.
In the invention, the method further comprises the following steps: the locking device comprises a buckling groove 4 fixedly arranged on a flip cover 2 and provided with an outward notch, and a locking piece 3 arranged on a cover body; the buckling groove 4 is a groove and is arranged on the outer side surface of the front end of the flip cover 2, the notched opening is outwards, and the flip cover 2 and the flip cover are integrally injection molded.
The locking piece 3 is arranged in the front end area of the cover body 1;
The front end areas of the cover body 1 and the flip cover 2 are spliced and formed into a convex cylindrical opening in the cover 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 mouth (namely the side wall of the front end part area of the cover body 1);
The inner space of the front end area of the cover body 1 is used as a locking device cavity 10, the front opening of the cavity faces outwards, 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 a gap 11; as shown in fig. 3;
The inner side of the top of the pressing piece 5 is provided with a latch hook 7 protruding inwards, the latch hook and the pressing piece 5 are integrally formed, the direction of the latch hook is inwards (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 latch hook 7 to form a back-off so as to be locked together, and the flip cover 2 cannot be opened 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 latch hook 7 can slide into the buckling groove 4 when the flip cover 2 is covered; as shown in fig. 1;
The bottom of the pressing piece 5 is pressed towards the inner direction of the cover body 1, the pressing piece 5 is turned over by taking the rotating shaft 8 as a rotating shaft, the top of the pressing piece 5 is turned outwards towards the outer direction of the cover body, and accordingly the lock hook 7 is driven to move outwards, the lock hook is separated from the buckling groove 4, and the flip cover and the cover body are unlocked;
The locking 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 locking piece 3 is covered at the front opening position of the cavity of the locking device cavity 10, and the upper half part is covered at the front end face of the flip cover, so that the locking hook 7 at the top of the pressing piece 5 can be corresponding to the position of the locking groove 4 of the cover body.
The lock catch piece 3 comprises a pressing piece 5 and a driving plate 6, and is made of plastic materials; the pressing piece 5 is in a circular shape, a circular hollowed-out area is formed in the middle of the pressing piece, the diameter of the outer circle is 24mm, and the diameter of the inner circle is 19mm; the driving plate 6 is a disc, and the diameter of the driving plate 6 is matched with the diameter of the circular hollowed-out area; the outer surface of the dial plate 6 is provided with raised round dots near the edge, so that the user can conveniently dial the round dots by fingers;
The back of the driving plate 6 is provided with a column body 9 with the diameter of 11.8mm; the column body 9 is inserted into the locking device cavity 10, the rear end part of the column body is not attached to the inner side wall of the locking device cavity 10, and a gap for the column body 9 to move inwards is reserved; rotating the dial 6 to rotate the cylinder 9; the upper part of the column body 9 is provided with an integrally formed upper clamping tongue piece 13 protruding upwards, and when the flip cover 2 and the cover body 1 are covered and locked and the dial plate 6 is not rotated, the upper clamping tongue piece 13 is inserted into the gap 11 and is tightly attached to the rear side wall of the front end part area of the flip cover; the dial plate 6 is rotated, the upper clamping tongue piece 13 can be rotated 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 enhance the locking firmness, the lower end of the column body 9 is also provided with a downward protruding lower clamping tongue piece 19, the corresponding position of the lower end of the pressing piece 5 is provided with an integrally formed and backward protruding limit stop 12, and the length of the limit stop 12 is shorter than that of the column body 9, so that the lower clamping tongue piece 19 can be clung to the rear end face of the limit stop 12; when the flip cover 2 and the cover body 1 are locked in a covering manner and the driving plate 6 is not rotated, the rear end face of the limit stop 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 outer side face of the side wall of the front section of the cover body, so that the limit of the lower clamping tongue piece 19 is formed, and the pressing piece 5 cannot be pressed down; after the dial plate 6 is rotated, the lower clamping tongue piece 19 can be staggered with the limit stop 12, so that the limit is released;
Meanwhile, the limit stop 12 is higher than an annular inner ring at the lower end of the driving plate 6, so that an inward blocking of the driving plate 6 is formed; as shown in fig. 1; the dial 6 is prevented from being separated from the pressing piece 5 when being pressed inwards, and the pressing piece 5 can be driven to be pressed inwards together.
The rotary shaft 8 is a long metal rod and transversely penetrates through the pressing piece 5 and the driving plate 6; the two ends of the rotating shaft 8 are inserted into rotating holes preset on the left and right inner sides of the front opening of the locking device cavity 10, so that the locking piece 3 can turn back and forth through rotating connection;
a gap area 15 is arranged on the column 9 and is penetrated by the rotating shaft 8, and is symmetrical to the rotating shaft 8, as shown in fig. 5 and 6, and is used for avoiding the rotating shaft 8 when the driving plate 6 rotates, so that the driving plate 6 smoothly rotates; at the same time, the dial 6 is limited in rotation without overstretching the resilient elastomer 18.
The inner side surface of the driving plate 6 is provided with a convex upper draw hook 16, and the root of the column 9 of the pressing piece 5 is provided with a convex lower draw hook 17; in the vertical direction, the lower draw hook 17 is positioned below the upper draw hook 16, the dial 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 rebound elastic body 18, and the rebound elastic body 18 adopts an elastic rubber ring to snare the upper draw hook 16 and the lower draw hook 17; in the locking state of the cup cover, the rubber ring is in an initial deformation-free state; when the dial 6 is rotated by external force, the upper draw hook 16 is rotated away from the original position along with the dial 6, the distance between the upper draw hook and the lower draw hook 17 is increased, and the rubber ring is tensioned and deformed to generate resilience force; the driving plate 6 is loosened by external force, the rubber ring is rebounded and contracted, and the upper drag hook 16 is pulled to drive the driving plate 6 to return to the original position; the positions of the upper draw hook 16 and the lower draw hook 17 can be set according to actual conditions, and the upper draw hook 16 moves circularly along with the rotation of the driving plate 6, so that the position and the initial position of the upper draw hook 16 can generate displacement in the horizontal and vertical directions after the rotation, and the rubber ring can be tensioned.
The pressing piece 5 is provided with a space below the limit stop 12, and is provided with an elastic device 14 capable of compressing and rebounding, wherein the elastic device 14 adopts a spring, one end of the elastic device is propped against the inner side surface of the pressing piece 5, and the other end is propped against the front side wall of the cover body; the pressing piece 5 is pressed down by external force, the spring is extruded, and when the external force is removed, the spring rebounds, so that the pressing piece 5 automatically overturns and returns to the original position, and even if 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 fastening tongue piece 13 is in an oblique circular arc shape (i.e. two ends of the circular arc are high and one end is low), as shown in fig. 4 and 5; in the process of covering 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 circular arc top edge, and the driving plate 6 can be driven to rotate in the pressing process. The function is as follows: due to the action of the elastic body 18 capable of rebounding, after the driving plate 6 is rotated to unlock the cup cover, the external force is removed, and when the flip 2 is opened, the driving plate 6 is reset by the rebounding force, and when the flip 2 is covered at the moment, the bottom of the front end of the flip 2 can interfere with the upper clamping tongue piece 13, and the driving plate 6 is required to be stirred again by the external force; by designing the top edge of the upper clamping tongue piece 13 into an oblique circular arc shape, when the flip cover 2 is covered, the dial 6 is rotated without external force, and the dial 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 driving plate 6 automatically rebounds and returns 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 one hand, and the cup cover is automatically locked.
When the cover is covered and locked, and the lower end of the lock catch piece 3 is pressed down, the upper end of the lock catch piece 3 cannot be turned outwards because the upper clamping tongue piece 13 at the upper end of the driving plate 6 is supported by the inner side wall of the flip cover 2, and the lock hook 7 cannot be separated from the lock groove 4; after the driving plate 6 is rotated, the column body 9 rotates along with the driving plate, so that the upper clamping tongue piece 13 rotates to stagger the inner side wall of the flip cover, and in the state, when the lower end of the lock catch piece 3 is pressed down, the upper end of the lock catch piece 3 can be turned outwards 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 flip cover, and the lock hook 7 can be separated from the lock groove 4, so that the cup cover is unlocked; on the contrary, in the state that the upper clamping tongue piece 13 rotates to stagger the inner side wall of the flip cover, the flip cover is covered, the driving plate 6 is loosened, and the driving plate 6 is driven to automatically rotate and return by the rebound of the rebound elastic body 18, namely, the upper clamping tongue piece 13 returns to the inner side wall of the flip cover.
Meanwhile, when the lower end of the lock catch piece 3 is pressed down in the cover closing locking state, the upper end of the lock catch piece 3 cannot be turned outwards and the lock hook 7 cannot be separated from the lock groove 4 because the limit stop 12 of the pressing piece 5 is propped against the side wall of the cover body through the lower clamping tongue piece 13; when the driving plate 6 is rotated, the column body 9 rotates along with the driving plate, the lower clamping tongue piece rotates to stagger the limit stop 12, a downward pressing space is reserved, in this state, the lower end of the locking piece 3 can be pressed down, 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 therefore the cup cover is unlocked.
In the invention, the pressing piece 5 can be designed to have a circle of convex at the edge of the inner ring and a circle of corresponding concave at the outer edge of the driving plate 6; by utilizing the deformable characteristic of plastic materials, the driving plate 6 is blocked and signed into a circular hollow area in the pressing piece 5 along the edge 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; the degree of tightness of the bond between the presser 5 and the dial 6 is further enhanced.
When the invention is used, when the lock catch piece 3 is pressed to the lower end part, the front end face of the upper clamping tongue piece 13 at the upper part of the column body 9 of the driving plate 6 is propped against the rear side wall of the front end part area of the flip cover, the lower end part of the driving plate 6 is limited to be pressed down based on the wane principle, and meanwhile, the pressing piece 5 is limited to be pressed down by the limit stop 12 of the pressing piece 5 being propped against the front end face of the lower clamping tongue piece 19; based on this ingenious linkage is spacing, and whole latch fitting 3 lower part is locked and can not push down, based on the wane principle, presses latch hook 7 of pressing piece 5 upper end can not break away from catching groove 4, flip 2 and lid 1 locking closure.
When the dial 6 is rotated and the column body 9 is rotated, the upper clamping tongue piece 13 enters the locking device cavity 10 along with the rotation of the gap 11; the lower clamping tongue piece 19 is separated from the rear end surface of the limit stop 12 along with rotation; the lower ends of the pressing piece 5 and the driving 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 locking groove 4, and the flip cover and the cover body are unlocked; at this time, the flip cover is sprung by the elasticity of the spring plate at the rotating shaft of the rear end parts of the flip cover and the cover body.
The invention has the advantages of simple and ingenious structure, convenient and quick use, one-hand operation, and one-step closing and locking of the water cup.
While the above-described methods are illustrated and described as a series of structures for simplicity of explanation, it is to be understood and appreciated that the methods are not limited by the specific details, 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, as would be understood by those skilled 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 (6)
1. The self-locking device of the cup cover comprises a cover body (1) covered on the cup mouth of the 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: the locking device comprises a buckling groove (4) fixedly arranged on a flip (2) and provided with an outward notch, and a locking piece (3) arranged on a cover body; the locking piece (3) comprises a pressing piece (5) and a driving plate (6); the middle part of the pressing piece (5) is provided with a round hollow area; the driving plate (6) is a disc, the diameter of the driving plate (6) is matched with the diameter of the circular hollowed-out area, the driving plate is embedded and positioned in the circular hollowed-out area of the pressing piece (5), and the driving plate can rotate back and forth in the circular hollowed-out area along the circumferential direction of the disc; the lock catch piece (3) is rotationally connected with the cover body (1) through the rotating shaft (8), so that the lock catch piece (3) can turn back and forth;
The upper end of the pressing piece (5) is provided with an inward latch hook (7), the cover body (1) and the flip (2) are inserted into the buckling groove (4) through the latch hook (7) to form a back-off, so that the flip (2) cannot be turned over upwards;
The bottom of the pressing piece (5) is pressed towards the inner direction of the cover body (1), the pressing piece (5) is turned over by taking the rotating shaft (8) as the rotating shaft, the top of the pressing piece (5) is turned outwards towards the outer direction of the cover body, so that the lock hook (7) is driven to move outwards, the lock hook is separated from the buckling groove (4), and the flip cover and the cover body are unlocked;
The back of the driving plate (6) is provided with a column body (9); a 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), when the flip cover (2) and the cover body (1) are in cover locking, and the driving 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 driving plate (6) is rotated, and the upper clamping tongue piece (13) can be staggered from the inner side wall of the front end of the flip cover (2);
When the cover is covered and locked, and the lower end of the lock catch piece (3) is pressed down, the upper end of the lock catch piece (3) cannot be turned outwards as the upper clamping tongue piece (13) at the upper end of the driving plate (6) is propped against the inner side wall of the flip cover (2), and the lock hook (7) cannot be separated from the lock groove (4); after the driving plate (6) is rotated, the column body (9) rotates along with the driving plate, so that the upper clamping tongue piece (13) rotates to stagger the inner side wall of the flip cover, and in the state, when the lower end of the lock catch piece (3) is pressed down, the upper end of the lock catch piece (3) can be turned outwards 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 flip cover, and the lock hook (7) can be separated from the lock groove (4), so that the cup cover is unlocked; conversely, when the upper clamping tongue piece (13) rotates to stagger the inner side wall of the flip cover, the flip cover is covered, the driving plate (6) is rotated back, and the upper clamping tongue piece (13) returns to the inner side wall of the flip cover, so that the cup cover is locked;
The inner side surface of the driving plate (6) is provided with a convex upper draw hook (16), the inner side of the pressing piece (5) is provided with a convex lower draw hook (17), the driving plate (6) is rotated, and the distance between the upper draw hook (16) and the lower draw hook (17) is increased; the upper drag hook (16) and the lower drag hook (17) are connected through a rebound elastic body (18), and the rebound elastic body (18) is in an initial non-deformation state in a cup cover locking state; when the driving plate (6) is rotated by external force, the upper draw hook (16) is rotated away from the original position along with the driving plate (6), the distance between the upper draw hook and the lower draw hook (17) is increased, and the elastic body (18) capable of rebounding is tensioned and deformed to generate rebounding force; the driving plate (6) is loosened by external force, the elastic body (18) can rebound and shrink, and the upper drag hook (16) is pulled to drive the driving plate (6) to return to the original position;
When the upper clamping tongue piece (13) rotates to stagger the inner side wall of the flip cover, the flip cover is covered, the driving plate (6) is loosened, and the driving plate (6) is driven to automatically rotate and return by the rebound of the rebound elastic body (18), namely, after the upper clamping tongue piece (13) returns to the inner side wall of the flip cover;
The top edge of the upper clamping tongue piece (13) is in an oblique circular arc shape; 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 circular arc top edge, and the driving plate (6) can be driven to rotate in the pressing process;
After the driving plate (6) is rotated to unlock the cup cover, the external force is removed, the driving plate (6) is reset by resilience force in the state that the flip (2) is opened, when the flip (2) is covered at the moment, the bottom of the front end of the flip (2) can interfere with the upper clamping tongue piece (13), and the driving plate (6) is required to be stirred by the external force again; the top edge of the upper clamping tongue piece (13) is designed into an oblique circular arc shape, when the flip cover (2) is covered, the dial (6) is not required to be rotated by external force, and the dial (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 driving plate (6) automatically rebounds and returns 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 locking piece (3) is arranged in the front end area of the cover 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 opening;
a space is arranged in the front end part area of the cover body (1) and used as a locking device cavity (10), the front opening of the cavity faces outwards, 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);
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), and the rear end part of the cylinder is not attached to the side wall of the locking device cavity (10), so that a gap for the cylinder (9) to move inwards is reserved.
2. The self-locking device of a cap according to claim 1, wherein the resilient elastomer (18) is a tension spring or a rubber band.
3. The self-locking device of the cup cover according to claim 1 or 2, wherein the lower end of the column body (9) is also provided with a lower clamping tongue piece (19) protruding downwards, and a limit stop (12) protruding backwards is arranged at the corresponding position of the lower end of the pressing piece (5); when the flip cover (2) and the cover body (1) are locked in a covering way and the driving plate (6) is not rotated, the rear end face of the limit stop (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, so that the limit of the lower clamping tongue piece (19) is formed, and the pressing piece (5) cannot be pressed down; after the driving plate (6) is rotated, the lower clamping tongue piece (19) can be staggered with the limit stop (12) to release the limit.
4. The self-locking device of a cup lid according to claim 1, wherein 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 pressing piece (5) is pressed down by external force, the elastic device (14) is extruded, and when the external force is removed, the elastic device (14) rebounds, so that the pressing piece (5) is automatically reset.
5. The self-locking device of a cap of claim 4, wherein the resilient means is a spring or a soft rubber block.
6. The self-locking device of the cup cover according to claim 1, wherein 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 protruding rotating shafts (8) of the pressing piece (5) are inserted into rotating holes preset on the left and right inner sides of the front opening of the cavity body and are connected in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133243.8A CN111184410B (en) | 2020-03-01 | 2020-03-01 | Self-locking device of cup cover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133243.8A CN111184410B (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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| CN111184410A CN111184410A (en) | 2020-05-22 |
| CN111184410B true CN111184410B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010133243.8A Active CN111184410B (en) | 2020-03-01 | 2020-03-01 | Self-locking device of cup cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114852764A (en) * | 2022-05-20 | 2022-08-05 | 上海第二工业大学 | Paper roll support with paper cutting function |
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| CN109480570A (en) * | 2018-12-14 | 2019-03-19 | 上海岸谷工业产品设计有限公司 | A kind of STRAW CUP of anti-water spray of uncapping |
| CN211933552U (en) * | 2020-03-01 | 2020-11-17 | 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
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|---|---|---|---|---|
| CN101927798A (en) * | 2009-06-25 | 2010-12-29 | 孙浙勇 | Servant brake with lock for non-motor vehicle |
| CN202426438U (en) * | 2012-02-14 | 2012-09-12 | 厦门瑞尔特卫浴科技股份有限公司 | Fast assembly and disassembly support for cover plate of toilet bowl |
| CN205338460U (en) * | 2015-12-18 | 2016-06-29 | 宁波冠天下家庭用品有限公司 | Flip interpolates button bowl cover |
| CN105902114A (en) * | 2016-06-23 | 2016-08-31 | 合肥为先产品设计有限公司 | Cup lid and water cup |
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| CN111184410A (en) | 2020-05-22 |
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