CN110786697A - Heat preservation bowl cover and thermos cup thereof - Google Patents

Abstract

The invention discloses a heat-insulating cup cover and a heat-insulating cup thereof. According to the invention, the hardware snap ring with the barb structure is arranged to connect the inner cover and the outer cover of the cup cover, so that the inner cover and the outer cover are firmly connected and are not easy to loosen and fall off. Meanwhile, the inner cover cavity of the inner cover is internally provided with the heat insulation block with better heat insulation effect, so that the production and installation of the heat insulation cup cover and the vacuum cup provided with the cup cover are simpler, more convenient, better in quality, more attractive and better in sealing performance.

Description

Thermos cup lid and thermos cup

technical field

The present invention relates to a thermos cup cover and thermos cup.

Background technique

The water cup is an important container that can meet people's drinking water needs. It exists in every corner of people's daily life. In order to meet people's drinking water needs in a cold environment, the thermos cup came into being, which can reduce the amount of hot water in the cup. The heat exchange rate of the outside cold environment to delay the heat dissipation and achieve the purpose of heat preservation. In order to achieve the thermal insulation performance of the thermos cup, most of the cup inner of the thermos cup adopts a double-layer vacuum structure made of metal material. In order to ensure the thermal insulation performance of the thermos cup, the lid of the thermos cup is also made of thermal insulation material, which can further enhance the thermal insulation performance of the thermos cup. The thermos cup lid in the prior art generally includes an inner lid and an outer lid, and the inner lid and the outer lid are assembled together by crimping, so as to realize the fixation between the inner lid and the outer lid. The cooperation between the lids, one is generally achieved through the tight connection of the two, the use of the lid for a long time, the size of the inner lid and the outer lid will shrink and deform in heat and cold, and it is easy to cooperate between the two. Loose or fall off, and at the same time, water is easy to enter between the inner cover and the outer cover, and the gap between the inner cover and the outer cover is easy to accumulate water stains, which is difficult to clean. Generally, when the outer cover is made of metal material, most of the cooperation with the inner cover adopts the mold forming and wrapping structure. The cooperation between the outer cover and the inner cover of this type of structure is easy to loose, and the process structure is complicated, and the production scrap rate and cost of the product will be higher. , In addition, the outer cover is difficult to achieve secondary surface processing, which cannot meet the diversified industrial design. Therefore, there is a need for a thermos cup that can ensure a firm and tight fit between the inner cover and the outer cover, while making production and installation simpler, aesthetically pleasing, and good in sealing performance.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a thermos cup cover that can solve the problems of looseness and falling off of the inner cover and the outer cover of the thermos cup cover, and has simpler production and installation, better quality, beautiful appearance and good sealing performance. Thermos cup.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a thermos cup cover, including an outer cover and an inner cover, the inner side of the mouth of the outer cover is fixedly provided with a metal snap ring with a barbed structure, and the hardware snap A sealing ring is arranged between the ring and the outer side of the inner cover, and the outer cover is fastened and fixed with the inner cover through a hardware snap ring.

The hardware snap ring of the present invention is welded or integrally formed on the inner side of the mouth of the outer cover, the upper part of the hardware snap ring is provided with elastic buckles, the elastic buckles are provided with positioning gaps, and the inner cover is provided with There is a positioning protruding rib matched with the positioning notch, and the inner cover is provided with a card slot matched with the elastic buckle.

The outer cover of the present invention is a circular cavity with one end open at one end and one end closed, the inner cover is provided with a circular cavity in the center with a downward boss, and a concave cavity is formed in the boss, and the cavity is formed. A heat preservation block and a chamber inner plug are accommodated in the room, an annular groove is formed between the outer wall of the boss and the inner wall of the inner cover, the bottom of the annular groove is sleeved with a cup mouth sealing ring, and the upper part of the inner wall of the chamber is provided with a groove The opening of the inner plug of the chamber is provided with a convex buckle adapted to the groove, an inner plug sealing ring is arranged between the outer wall of the inner plug of the chamber and the inner wall of the chamber, and the inner wall of the inner cover is provided with a spiral convex rib.

The outer cover of the present invention is a circular cavity with one end open and the other end opened with a through hole, the inner cover is a circular cavity with one end open and one end closed, and the outer surface of the closed end is provided with a circular protrusion, the The circular protrusion is adapted to the through hole, the inner surface of the closed end of the inner cover is provided with an annular surrounding bone, the surrounding bone is provided with a plurality of second grooves, and the second grooves are buckled with The other is an insulating cavity with one end open at one end and one end closed. The insulating cavity is provided with a second convex buckle to fasten and fasten the second groove on the inner cover. The insulating cavity accommodates a heat insulating block. An annular groove is formed between the outer wall of the surrounding bone and the inner wall of the inner cover, the bottom of the annular groove is sleeved with a cup mouth sealing ring, and a connecting surface between the surrounding bone and the circumference of the mouth of the thermal insulation cavity is provided with a second ring. Two sealing rings, the inner wall of the inner cover is provided with spiral ribs.

The thermos cup of the present invention includes a cup body and the thermos cup lid of any one of the above.

The cup body of the present invention includes a cup shell and an inner liner, the inner liner is sleeved in the cup shell, and the opening of the inner liner is provided with a circle of outer flanges, and the outer flange is aligned with the opening of the cup shell. The opening of the inner pot is welded and fixed by the welding seam at the opening of the cup shell, the inner pot is welded and fixed to the cup shell by laser welding, and a gap is reserved between the outer wall of the inner pot and the inner wall of the cup shell.

The bottom of the cup body of the present invention is provided with a soft rubber pad, the bottom of the cup shell is provided with a coaster sink, the soft rubber pad is attached to the coaster sink, and the plane where the soft rubber pad contacts the desktop is higher than the cup shell Bottom plane.

The outer wall of the cup mouth of the present invention is further provided with a ring of raised ribs and the beginning end of the cup mouth constriction to form an annular groove, a handle ring is installed in the annular groove, and the handle ring is arranged on the cup lid and between the cup body.

Compared with the prior art, the present invention connects the inner lid and the outer lid of the cup lid by providing a metal snap ring with a barbed structure, so that the connection between the inner lid and the outer lid is firm, and it is not easy to loosen and fall off. At the same time, the inner cover cavity of the inner cover is provided with a thermal insulation block with a better thermal insulation effect, which makes the production and installation of the thermal insulation cup cover and the thermal insulation cup equipped with the cup cover simpler, more convenient, better quality, more beautiful, and better sealing performance. .

Description of drawings

Fig. 1 is the structural representation of the thermos cup and the lid of the present invention;

Fig. 2 is the sectional view of the thermos cup lid of the present invention;

3 is a schematic diagram of the connection structure of the thermos cup lid of the present invention;

Fig. 4 is the structural schematic diagram of the hardware snap ring of the thermos cup lid of the present invention;

5 is a cross-sectional view of the inner lid of the thermos cup lid of the present invention;

6 is a structural cross-sectional view of another embodiment of the thermos cup cover of the present invention;

Figure 6-1 is a cross-sectional view of the outer cover of the thermos cup lid of the present invention;

Figure 6-2 is a schematic diagram of the inner lid of the thermos cup lid of the present invention;

Figure 6-3 is a schematic diagram of the insulation cavity of the thermos cup lid of the present invention;

Fig. 7 is the structure sectional view of the thermos cup of the present invention;

Figure 7-1 is a schematic diagram of a partially enlarged structure at A in Figure 7;

Figure 8 is a structural cross-sectional view of the thermos cup body of the present invention;

FIG. 8-1 is a partial enlarged schematic view of the structure at B in FIG. 8 .

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings: as shown in Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, the thermos cup cover of the present invention includes an outer cover 101 and an inner cover 105, and the outer cover A metal snap ring 1011 with a barbed structure is fixed inside the mouth of 101 , a sealing ring 106 is arranged between the metal snap ring 1011 and the outer side of the inner cover 105 , and the outer cover 101 is fastened and fixed with the inner cover 105 by the metal snap ring 1011 . The upper part of the hardware snap ring 1011 is provided with an elastic snap 1011A, and a positioning gap 1011B is provided between the elastic snaps 1011A; the inner cover 105 is provided with a positioning protruding rib 1053 which cooperates with the positioning gap 1011B; The slot 1051 in which the elastic buckle 1011A fits.

The outer cover 101 of the present invention is a circular cavity with one end open and one end closed. The inner side of the mouth of the outer cover 101 is welded or integrally formed with a hardware snap ring 1011, and the center of the inner cover 105 is provided with a circular cavity with a downward boss 10510. , a concave cavity 1052 is formed in the boss 10510, and the cavity 1052 accommodates a heat preservation block 104 and a cavity inner plug 102, an annular groove 10511 is formed between the outer wall of the boss 10510 and the inner wall of the inner cover 105, and the bottom of the annular groove 10511 is formed. The cup mouth sealing ring 107 is sleeved, the upper part of the inner wall of the chamber 1052 is provided with a groove 1056, the opening of the chamber inner plug 102 is provided with a convex button 1021 adapted to the groove 1056, the outer wall of the chamber inner plug 102 and the inner wall of the chamber 1052 are provided An inner plug sealing ring 103 is arranged between, and a spiral rib 1054 is arranged on the inner wall of the inner cover 105 .

As shown in FIGS. 6 , 7 and 8 , the thermos cup cover of the present invention includes an outer cover 101 and an inner cover 105 , and a hardware snap ring 1011 is fixedly connected to the inner side of the mouth of the outer cover 101 , and the hardware snap ring 1011 can be welded to the outer cover. The inner side of the mouth of 101 is integrated with the outer cover 101. A sealing ring 106 is provided between the hardware snap ring 1011 and the outer side of the inner cover 105. The card slot 1051 of the inner cover 105 is fastened and fixed. As shown in Fig. 6, Fig. 6-1, Fig. 6-2, Fig. 6-3, the chamber 1052 for accommodating the thermal insulation block 104 can also adopt another structure, that is, the outer cover 101 is used to open one end and the other end is open with a through hole. The circular cavity of the hole 101A, the inner cover 105 is a circular cavity with one end open and one end closed, the outer surface of the closed end is provided with a circular bump 105A, the circular bump 105A is adapted to the through hole 101A, the inner cover 105 The inner surface of the closed end is provided with an annular surrounding bone 1059. The surrounding bone 1059 is provided with a plurality of second grooves 10591. The second grooves 10591 are fastened with another heat preservation cavity 108 with one end open and one end closed. The heat preservation cavity 108 There is a second protruding buckle 1081 on it and a second groove 10591 on the inner cover 105 to fasten and fasten, the insulation cavity 108 accommodates the insulation block 104, and an annular groove 10511 is formed between the outer wall of the surrounding bone 1059 and the inner wall of the inner cover 105. , the bottom of the annular groove 10511 is sleeved with a cup mouth sealing ring 107, a second sealing ring 109 is arranged between the peripheral bone 1059 and the connecting surface of the mouth of the insulation cavity 108, and the inner wall of the inner cover 105 is provided with a spiral convex Ribs 1054. The perimeter bone 1059 and the thermal insulation cavity 108 are not limited to be connected by a buckle, and can also be fixed by welding, such as ultrasonic welding technology. The part where the upper end surface of the inner cover 105 is in contact with the desktop is provided with a convex ring or a convex point 1058, the purpose of which is to reduce scratches when the exposed surface of the inner cover is placed on the desktop.

The thermos cup of the present invention includes a cup body 2 and the above-mentioned thermos cup lid. The outer peripheral wall of the cup mouth of the cup body 2 is provided with a second spiral rib 211. When the inner lid 105 is closed with the cup body 2, its inner wall is The helical rib 1054 on the upper part is adapted and screwed to it.

The cup body 2 includes a cup shell 21 and an inner pot 22. The inner pot 22 is sleeved in the cup shell 21 and fixed on the cup shell 21 by welding. 221 is flush with the opening of the cup shell 21, the opening of the inner pot 22 is welded and fixed by the welding seam 222 at the opening of the cup shell 21, the inner pot 22 is welded and fixed with the cup shell 21 by laser welding, and the outer wall of the inner pot 22 is fixed with the inner wall of the cup shell 21. There will be a certain gap 223, so that the mouth of the cup has enough thickness to ensure that after welding the mouth of the cup, when grinding the weld, the mouth of the cup will not be too thin to produce too thin sharp edges And scratch the user's mouth, because the outer wall of the opening of the inner tank and the inner wall of the cup shell are generally designed to be closely fitted, and the welding seam is also located at the position where the inner tank and the top of the opening of the cup shell are flush, but the welding seam is polished. It is easy to cause sharp edges to appear on the top of the cup mouth, and there will be disadvantages of welding seams or sharp edges scratching the mouth during use. The cup mouth design of the present invention better overcomes this defect, effectively improves comfort, has better safety performance, and greatly improves the user experience.

At the same time, the bottom of the cup body 2 is provided with a soft rubber pad 23, the bottom of the cup shell 21 is provided with a coaster sink 214, the soft rubber pad 23 is pasted on the coaster sink 214 with 3M adhesive, and the soft rubber pad 23 is in contact with the desktop. The plane 231 is higher than the bottom plane of the cup shell 21, so that when the thermos cup is in contact with the desktop or other platforms, it can prevent the surface of the cup shell or the paint from being scratched and bruised, and can reduce the collision between the cup and the table. The evacuated solder paste 215 is concealed for the purpose of beauty and ugliness. The outer wall of the cup body 2 is also provided with a ring of raised ribs 212 and the beginning end of the cup body cup mouth constriction to form an annular groove 213. A handle ring 3 can be installed in the annular groove 213, and the handle ring 3 is arranged on the cup cover 1 and the cup lid Cup body 2 between the two.

The present invention adopts a structure in which a metal snap ring 1011 is welded on the inside of the mouth of the outer cover 101, and a snap groove 1051 is arranged on the circumference of the outer wall of the inner cover 105 and the metal snap ring 1011 welded on the outer cover 101 is used for barb-type snapping of the inner and outer covers. The problem of fixing between the outer cover 101 and the inner cover 105 is solved, and the traditional outer cover and the inner cover have a complicated connection structure, high cost, easy loosening of the outer cover and the inner cover, or must be glued. The advantages of the connection structure of the inner cover and the outer cover are as follows:

1. When the inner cover 105 is installed in the outer cover 101, the elastic buckle 1011A of the hardware snap ring 1011 welded to the inner side wall of the outer cover 101 is elastically stretched out by the side wall of the inner cover 105. When the elastic buckle 1011A moves to the inner side When the position of the card slot 1051 of the cover 105, the elastic buckle 1011A is retracted inwardly due to the position of the card slot 1051. At this time, if the outer cover 101 is pulled at one end and the inner cover 105 is pulled at the other end by external force Separation will only make the outer cover 101 and the inner cover 105 pull tighter and tighter, because the more the inner cover 105 is pulled at this time, the deeper the elastic buckle 1011A is in the card slot, so it will only become more and more locked. tight, so that the connection between the inner cover 105 on the cup cover 101 and the outer cover 101 is firm, and it is not easy to loosen and fall off;

2. Since the hardware snap ring 1011 is provided with an elastic snap 1011A, the inner cover 105 is provided with a snap groove 1051 that cooperates with the elastic snap 1011A, the hardware snap ring 1011 is also provided with a positioning gap 1011B, and the inner cover 105 is provided with a positioning notch 1011B. The positioning rib 1053 matched with the notch 1011B, the positioning rib 1053 is matched with the positioning notch 1011B of the hardware snap ring 1011, so that the inner cover 105 and the outer cover 101 of the cup cover will not rotate loosely radially;

3. The cavity 1052 for accommodating the heat preservation block 104 and the inner cover 105 are preferably integrally injection-molded, which can prevent the liquid in the cup from entering the cavity of the inner cover 105 and the outer cover 101 due to poor sealing.

As shown in Figure 2, Figure 3, Figure 4, Figure 5, the installation method of the thermos cup cover of the present invention is as follows:

1. With the opening of the chamber 1052 of the inner cover 105 facing outward, put the insulation block 104 into the insulation chamber 1052 of the inner cover 105, and align the convex buckle 1021 of the inner plug 102 of the chamber with the inner plug sealing ring 103 to the chamber The groove 1056 is buckled, and the inner plug 102 of the chamber is fastened through the male and female buckle connection to compress the inner plug sealing ring 103 to achieve the chamber sealing; the sealing ring 106 is inserted into the silicone groove 1057 of the inner cover 105, and the inner plug sealing ring 103 is in this cup The cover assembly steps are in no particular order. After assembling, check whether the assembly of the inner plug sealing ring is flat and uniform, and whether the inner plug 102 of the chamber is matched in place, and then enter the next step;

2. Turn the mouth of the outer cover 101 welded with the metal snap ring 1011 toward the outside, and then align the side of the inner cover assembly with the sealing ring 106 on which the chamber plug 102 is installed to the opening of the outer cover 101, The positioning rib 1053 provided on the cover 105 is aligned with the positioning gap 1011B of the hardware snap ring 1011, and the entire inner cover assembly is pressed vertically downward into the elastic buckle 1011A provided on the inner cover 105 to cooperate with the slot 1051, so that the cup cover is The inner cover 105 is connected with the outer cover 101;

3, the cup mouth sealing ring 107 is loaded into the annular groove 10511 formed by the inner cover 105 and the outer wall of the chamber 1052;

4. Finally, check whether the inner lid 105 and the outer lid 101 of the entire cup lid assembly fit well, and whether the cup mouth sealing ring 107 is properly assembled.

Claims (8)

1. A thermos cup lid, comprising an outer lid (101) and an inner lid (105), characterized in that: a metal snap ring (1011) with a barbed structure is fixedly provided inside the mouth of the outer lid (101) , a sealing ring (106) is arranged between the hardware snap ring (1011) and the outer side of the inner cover (105), and the outer cover (101) is fastened with the inner cover (105) by the metal snap ring (1011) fixed. 2. The thermos cup cover according to claim 1, wherein the hardware snap ring (1011) is welded or integrally formed on the inside of the mouth of the outer cover (101), and the upper part of the metal snap ring (1011) is An elastic buckle (1011A) is provided, a positioning gap (1011B) is arranged between the elastic buckles (1011A), and a positioning convex rib (1053) is arranged on the inner cover (105) to cooperate with the positioning gap (1011B). ), and the inner cover (105) is provided with a card slot (1051) matched with the elastic buckle (1011A). 3. The thermos cup cover according to claim 2, characterized in that: the outer cover (101) is a circular cavity with one end open and one end closed, and the center of the inner cover (105) is provided with a downward boss (10510) circular cavity, a concave cavity (1052) is formed in the boss (10510), and the cavity (1052) accommodates the heat preservation block (104) and the cavity inner plug (102), An annular groove (10511) is formed between the outer wall of the boss (10510) and the inner wall of the inner cover (105). 1052) The upper part of the inner wall is provided with a groove (1056), and the opening of the chamber inner plug (102) is provided with a convex button (1021) adapted to the groove (1056). 1052) An inner plug sealing ring (103) is arranged between the inner walls, and a spiral rib (1054) is arranged on the inner wall of the inner cover (105). 4. The thermos cup cover according to claim 2, wherein the outer cover (101) is a circular cavity with a through hole (101A) open at one end and a through hole (101A) at the other end, and the inner cover (105) is A circular cavity with one end open and one end closed, the outer surface of the closed end is provided with a circular protrusion (105A), the circular protrusion (105A) is adapted to the through hole (101A), and the inner cover ( 105) An annular surrounding bone (1059) is provided on the inner surface of the closed end, the surrounding bone (1059) is provided with a plurality of second grooves (10591), and another second groove (10591) is fastened on the second groove (10591). A heat preservation cavity (108) with one end open and one end closed, the heat preservation cavity (108) is provided with a second protrusion (1081) to fasten and fasten the second groove (10591) on the inner cover (105) , a heat preservation block (104) is accommodated in the heat preservation cavity (108), an annular groove (10511) is formed between the outer wall of the perimeter (1059) and the inner wall of the inner cover (105), and the annular groove (10511) A cup mouth sealing ring (107) is sleeved on the bottom of the heat preservation cavity (1059), and a second sealing ring (109) is arranged between the connecting surface of the surrounding bone (1059) and the circumference of the mouth of the thermal insulation cavity (108) that are engaged with each other. The inner wall of the inner cover (105) is provided with spiral ribs (1054). 5. A thermos cup, comprising a cup body (2) and the thermos cup cover according to any one of claims 1 to 4. 6. The thermos cup according to claim 5, wherein the cup body (2) comprises a cup shell (21) and an inner liner (22), and the inner liner (22) is sleeved on the cup shell In (21), the opening of the inner pot (22) is provided with a circle of outer flanges (221), and the outer flanges (221) are flush with the opening of the cup shell (21), and the inner pot (22) The opening is welded and fixed by a weld (222) located at the opening of the cup shell (21), the inner pot (22) is welded and fixed to the cup shell (21) by laser welding, and the outer wall of the inner pot (22) is connected to the cup shell (21). 21) A void (223) remains on the inner wall. 7. The thermos cup according to claim 6, characterized in that: the bottom of the cup body (2) is provided with a soft rubber pad (23), and the bottom of the cup shell (21) is provided with a coaster sink (214) The soft rubber pad (23) is attached to the coaster sink (214), and the plane (231) of the soft rubber pad (23) in contact with the desktop is higher than the bottom plane of the cup shell (21). 8. The thermos cup according to claim 7, characterized in that: the outer wall of the cup body (2) is further provided with a ring of raised ribs (212) to form an annular groove (213) with the starting end of the cup body and cup mouth constriction ), a handle ring (3) is installed in the annular groove (213), and the handle ring (3) is arranged between the cup cover (1) and the cup body (2).

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