CN219147280U - Cup cover for thermos cup and thermos cup - Google Patents

Abstract

The application discloses bowl cover and thermos cup for thermos cup, the bowl cover includes enclosing cover, metal inner cup and spacing collar, the spacing snare is located the metal inner cup outside, the spacing collar with the cooperation is connected to the metal inner cup and is formed the spacing groove that the opening was up, the enclosing cover is established in the metal inner cup top, the border of enclosing cover is equipped with the installation department, the installation department inlays and is fixed in the spacing groove. The utility model discloses a bowl cover for thermos cup adopts the enclosing cover to add the structural style of the double-deck lid of metal inner cup, and structural strength is high, is difficult for taking place to warp, and metal inner cup also can not influence quality of water with the hot water contact in the cup for a long time, and the safety of drinking is higher, and the installation department of enclosing cover is forced into and is realized the enclosing cover fixed in the spacing inslot, simple to operate, swift, and fixed effectual, still helps preventing that the enclosing cover from taking place to stick up the limit.

Description

Cup cover for thermos cup and thermos cup

Technical Field

The application relates to the technical field of water cups, in particular to a cup cover for a vacuum cup and the vacuum cup.

Background

The cup is used as a practical tool for containing liquid in daily life, has very wide application, has become an indispensable part in daily use, is used by household households, and now, along with the development of technology, various vacuum cups with different functions are also arranged on the market so as to solve the requirement of going out to hot water. The cup cover of the current common thermos cup is formed by adding a sealing ring on a cover body of plastic (ethylene, propylene, polyester and the like), or a decorative surface cover is arranged outside the plastic cover body to increase the aesthetic property, after the cup body of the thermos cup is filled with hot water, the bottom surface of the plastic cover body is completely contacted with the hot water, and the cup cover with the structure has the following defects: 1. the plastic cover body is easy to fall off plastic particles and dissolve harmful chemical reagents such as plasticizers into water after being soaked in hot water for a long time, so that adverse effects are generated on the water quality in the vacuum cup, and the vacuum cup is not suitable for drinking; 2. the plastic cover body has poor structural strength, and is easy to generate irreversible deformation when being pressed or impacted, so that the cup cover and the cup body cannot be matched.

Disclosure of Invention

The application provides a bowl cover and thermos cup for thermos cup to solve at least one among the above-mentioned technical problem.

The technical scheme adopted by the application is as follows:

the cup cover comprises an outer cover, a metal inner cover and a limiting ring, wherein the limiting ring is sleeved on the outer side of the metal inner cover, the limiting ring is connected with the metal inner cover to form a limiting groove with an upward opening, the outer cover is covered on the upper side of the metal inner cover, an installation part is arranged on the edge of the outer cover, and the installation part is embedded and fixed in the limiting groove.

The cup cover for the thermos cup has the following additional technical characteristics:

the bottom end of the metal inner cover is provided with a first flanging, and the limit ring is connected with the first flanging in a welding way to form the limit groove.

The outer cover is provided with an outwards protruding stop bulge, and the stop bulge is matched with the top stop of the limit ring when the mounting part is embedded in the limit groove.

The top of the limit ring is provided with a locating edge extending upwards, and the locating edge is connected with the stop protrusion in a welding way.

The limit ring is provided with a second flanging turned inwards towards the limit groove, and the limit ring is propped against the outer side of the installation part through the second flanging.

The inside of installation department is equipped with a plurality of spacing protruding bars along circumference interval, spacing protruding bar is followed the axial direction of enclosing cover extends, spacing protruding bar offsets with the metal inner cup.

The outer cover comprises a central area and a peripheral area, the central area is propped against the inner metal cover, and a gas storage cavity is formed between the peripheral area and the inner metal cover.

The metal inner cover and the limit ring are integrally formed.

The groove depth of the limiting groove is larger than 0.5cm.

The utility model provides a thermos cup, including cup and bowl cover, the bowl cover is established to the bowl cover that is used for the thermos cup as previously described, the rim of a cup department of cup is equipped with the external screw thread, the metal inner cup is equipped with the internal screw thread, the bowl cover can pass through the external screw thread with the cooperation lid of internal screw thread in the rim of a cup.

Due to the adoption of the technical scheme, the technical effects obtained by the application are as follows:

1. in the bowl cover that this application provided, adopt the enclosing cover to add the structural style of the double-deck lid of metal inner cup, compare in the individual layer bowl cover, structural strength is high, is difficult for taking place to warp, and thermal-insulated effect is better moreover. The metal inner cover can be made of water-insoluble and structurally stable materials such as stainless steel, so that the metal inner cover can not influence water quality even in long-term contact with hot water in the cup body, and the drinking safety is high. The metal inner cover and the limit ring are connected and matched to form the limit groove, the mounting part of the outer cover can be pressed into the limit groove to be fixed, the mounting is convenient and quick, the fixing effect is good, and the outer cover is prevented from warping. Moreover, the inner side and the outer side of the mounting part can be respectively propped against the metal inner cover and the limit ring, so that the sealing effect between the metal inner cover and the outer cover is ensured, and impurities are prevented from entering between the outer cover and the metal inner cover.

2. As a preferable mode of the metal inner cover, the flange welding connection of the limit ring and the metal inner cover can ensure the connection strength of the limit ring and the metal inner cover, and the limit ring is prevented from deforming relative to the metal inner cover as much as possible so as to enlarge the limit groove. In addition, the limit ring and the metal inner cover are processed in a split mode, the limit ring and the metal inner cover can be guaranteed to have high processing yield, and the probability of defective products is reduced.

3. As a preferred mode of this application, utilize the backstop cooperation of backstop protruding and spacing collar, on the one hand, can further promote the installation stability of enclosing cover, especially can be when pressing down the enclosing cover, spacing collar and the bellied cooperation of backstop can give the enclosing cover certain support. On the other hand, the cooperation of the limit ring and the stop bulge can also give technical teaching that the outer cover is pressed into place in the limit groove in the process of assembling the outer cover.

4. As a preferred mode of this application, on spacing collar and metal inner cup welded connection's contact, through locating edge and backstop protruding welded connection, guaranteed the holistic connection cooperation intensity of bowl cover, can prevent that the enclosing cover from deviate from the spacing inslot, can also further promote the sealed effect between metal inner cup and the enclosing cover.

5. As a preferred mode of this application, a plurality of spacing protruding muscle that set up through the inboard of installation department offset with the metal inner cup, guaranteed the inseparable laminating of enclosing cover and metal inner cup, avoid because of the too big and influence the cooperation reliability in clearance between processing error and the installation error's the existence messenger metal inner cup and the enclosing cover.

6. As a preferred mode of the present application, the central region of the outer cap abuts against the inner metal cap, improving the pressure resistance of the outer cap. The existence of the air storage cavity ensures the smoothness of the metal inner cover when being arranged in the outer cover, and avoids the difficulty in assembly due to overlarge air pressure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is an exploded view of a cap provided in a first embodiment of the present application;

FIG. 2 is a schematic structural view of an assembly formed by the metal inner cap and the stop collar according to the first embodiment of the present application;

FIG. 3 is a cross-sectional view of a cap provided in a first embodiment of the present application;

FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the structure of the outer cover according to the first embodiment of the present application;

FIG. 6 is a schematic structural view of an inner metal cap according to a first embodiment of the present application;

FIG. 7 is a cross-sectional view of a cap provided in a second embodiment of the present application;

fig. 8 is an enlarged view of a portion of the structure at B in fig. 7.

Reference numerals:

the outer cover is 1, the mounting part is 11, the stop protrusion is 12, the stop protrusion is 13, the center area is 14, and the peripheral area is 15;

2, a metal inner cover, a first flanging of 21 and internal threads of 22;

3, a limit ring, a 31 positioning edge and a 32 second flanging;

4, a limit groove;

5 a gas storage cavity.

Detailed Description

In order to more clearly illustrate the general concepts of the present application, a detailed description is provided below by way of example in connection with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," "transverse," "longitudinal," etc. indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the embodiments of the present application, a cup cover for a thermos cup and a thermos cup are provided, and for convenience of explanation and understanding, the following matters provided in the present application are all described on the basis of the structure of the illustrated product. Of course, those skilled in the art will appreciate that the foregoing structure is merely exemplary and illustrative and is not to be construed as limiting the scope of the embodiments provided herein.

As shown in fig. 1 to 5, the cup cover for the thermos cup provided by the application comprises an outer cover 1, a metal inner cover 2 and a limit ring 3, wherein the limit ring 3 is sleeved on the outer side of the metal inner cover 2, the limit ring 3 is connected with the metal inner cover 2 to form a limit groove 4 with an upward opening in a matched mode, the outer cover 1 is covered above the metal inner cover 2, an installation part 11 is arranged on the edge of the outer cover 1, and the installation part 11 is embedded and fixed in the limit groove 4.

It can be understood by those skilled in the art that, in the cup cover provided by the application, the structural form of the double-layer cover body of the outer cover 1 and the metal inner cover 2 is adopted, compared with the single-layer cup cover, the cup cover has high structural strength, is not easy to deform, and has better heat insulation effect due to double-layer heat insulation. As a preferred embodiment, the metal inner cover 2 can be made of a water-insoluble and structurally stable material such as stainless steel, so that the metal inner cover 2 can not influence the water quality even if being contacted with the hot water in the cup body for a long time, and the drinking safety is high. The metal inner cover 2 and the limit ring 3 are connected and matched to form the limit groove 4, the mounting part 11 of the outer cover 1 can be strongly pressed into the limit groove 4 to realize fixation, the mounting is convenient and quick, the fixing effect is good, the outer cover 1 is prevented from being warped, the inner side and the outer side of the mounting part 11 can be respectively propped against the metal inner cover 2 and the limit ring 3, the sealing effect between the metal inner cover 2 and the outer cover 1 is ensured, and impurities are prevented from entering between the outer cover 1 and the metal inner cover 2.

In the processing and assembling process, the outer cap 1 may not be tightly matched with the inner cap after being embedded into the limit groove 4 due to errors, so as a preferred embodiment, as shown in fig. 5, a plurality of limit ribs 13 may be arranged at intervals along the circumferential direction on the inner side of the mounting portion 11, the limit ribs 13 extend along the axial direction of the outer cap 1, and the limit ribs 13 are propped against the metal inner cap 2.

As can be appreciated by those skilled in the art, the plurality of limit ribs 13 disposed on the inner side of the mounting portion 11 are offset with the metal inner cap 2, so that the close fitting between the outer cap 1 and the inner cap is ensured, and the influence on the fit reliability due to overlarge gap between the inner cap and the outer cap 1 caused by the existence of machining errors and mounting errors is avoided. In addition, in the process of installing the installation part 11 into the limit groove 4, the limit ribs 13 can also play roles of guiding and reducing friction, so that the installation part 11 is ensured to be smoothly installed into the limit groove 4.

In addition, to further ensure the smoothness and reliability of the fitting of the outer cap 1 with the inner metal cap 2, as shown in fig. 3, the outer cap 1 may be made to include a central region 14 and a peripheral region 15, the central region 14 being abutted against the inner metal cap 2, and the peripheral region 15 and the inner metal cap 2 enclosing the air-storage cavity 5 therebetween.

As will be appreciated by those skilled in the art, the central region 14 of the outer cap 1 abuts the inner metal cap 2 such that the inner metal cap 2 provides a reliable support for the outer cap 1, and particularly for outer caps made of plastic, the reliable support of the inner metal cap 2 to the outer cap 1 helps to promote the pressure resistance of the outer cap 1 and to avoid deformation of the outer cap 1 as much as possible. When the metal inner cover 2 is installed, certain air is reserved in the air storage cavity 5, the situation that the metal inner cover 2 and the outer cover 1 are difficult to assemble due to overlarge air pressure is avoided, the smoothness of the metal inner cover 2 when the outer cover 1 is installed is guaranteed due to the air storage cavity 5, and therefore the smoothness of the metal inner cover 2 when the outer cover 1 is installed is guaranteed due to the air storage cavity 5.

It should be noted that, the connection and matching manner of the metal inner cap 2 and the stop collar 3 are not particularly limited, and any one of the following embodiments may be adopted in the present application:

embodiment one: as shown in fig. 2 and 6, a first flange 21 may be formed at the bottom end of the metal inner cover 2, and the stop collar 3 is welded to the first flange 21 to form the stop groove 4. Through with spacing collar 3 and the first turn-ups 21 welded connection of metal inner cup 2, can guarantee spacing collar 3 and metal inner cup 2's joint strength, prevent as far as that spacing collar 3 from taking place to warp and making spacing groove 4 enlarge relative metal inner cup 2 to guarantee the assembly steadiness of enclosing cover 1. Of course, on this basis, the retainer 3 is preferably a metal structure of the same material as the metal inner cap 2, for example, both of which may be made of stainless steel. In addition, the limit ring 3 and the metal inner cover 2 are processed in a split mode, so that the limit ring 3 and the metal inner cover 2 can be guaranteed to have high processing yield, and the probability of defective products is reduced.

Further preferably, as shown in fig. 4 and 5, an outwardly protruding stop protrusion 12 may be provided on the outer cap 1, and the stop protrusion 12 is in stop engagement with the top of the stop collar 3 when the mounting portion 11 is fitted into the stop groove 4. As will be appreciated by those skilled in the art, by utilizing the stop engagement of the stop projection 12 with the stop collar 3, on the one hand, the mounting stability of the outer cap 1 can be further improved, and in particular, when the outer cap 1 is pressed down, the engagement of the stop collar 3 with the stop projection 12 can give a certain support to the outer cap 1. On the other hand, the cooperation of the stop collar 3 and the stop projection 12 can also give technical insight that the outer cap 1 has been press-fitted into place in the stop groove 4 during the assembly of the outer cap 1.

As a preferred example of this embodiment, as shown in fig. 2 and 4, the top of the stop collar 3 may be provided with an upwardly extending positioning edge 31, and the positioning edge 31 is welded to the stop protrusion 12. It can be understood by those skilled in the art that, on the contact of the welding connection between the limit ring 3 and the metal inner cover 2, the welding connection between the locating edge 31 and the stop protrusion 12 ensures the integral connection matching strength of the cup cover, can prevent the outer cover 1 from falling out of the limit groove 4, and can further improve the sealing effect between the metal inner cover 2 and the outer cover 1.

As an alternative embodiment, as shown in fig. 7 and 8, the stop collar 3 may be further provided with a second flange 32 turned inward toward the stop groove 4, and the stop collar 3 may abut against the outer side of the mounting portion 11 through the second flange 32, unlike the manner in which the positioning edge 31 is welded to the stop boss 12. It can be understood by those skilled in the art that the flange is abutted against the mounting portion 11, so that the extrusion effect on the radial direction of the outer cover 1 is achieved, the matching reliability of the outer cover 1 in the limiting groove 4 is further improved, the mounting portion 11 is prevented from being separated from the limiting groove 4, and the tightness between the metal inner cover 2 and the outer cover 1 can be improved.

Embodiment two: the metal inner cover 2 and the limit ring 3 can be integrally formed. It can be appreciated by those skilled in the art that, during specific processing, the metal inner cap 2 and the stop collar 3 can be integrally formed by stretching, and although the yield is low and the precision of the fit clearance between the formed stop groove 4 and the metal inner cap 2 is low, the integral stretching can save the processing cost and the process step of connecting the stop collar 3 and the metal inner cap 2 together is omitted.

As a preferred embodiment of the present application, all the foregoing embodiments and examples of the present application may further make the groove depth of the limiting groove 4 greater than 0.5cm, which ensures that the limiting groove 4 has a sufficient depth to increase the fit stability with the outer cap 1, preventing the metal inner cap 2 from being separated from the outer cap 1, and, when the metal inner cap 2 and the limiting ring 3 are both made of stainless steel, the sufficient groove depth is also helpful for avoiding the lips from contacting the plastic outer cap 1.

The utility model provides a thermos cup, including cup and bowl cover, the bowl cover is established to the bowl cover that is used for the thermos cup as previously described, the rim of a cup department of cup is equipped with the external screw thread, as shown in fig. 3, metal inner cup 2 is equipped with internal screw thread 22, the bowl cover can pass through the external screw thread with internal screw thread 22's cooperation lid in the rim of a cup.

It should be noted that, because the thermos cup provided in the present application includes the cup cover in any one of the embodiments and examples, the cup cover has the beneficial effects that are included in the thermos cup provided in the present application, and no description is given here.

The non-mentioned places in the application can be realized by adopting or referring to the prior art.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (10)

1. The cup cover is used for a vacuum cup and is characterized by comprising an outer cover, a metal inner cover and a limiting ring, wherein the limiting ring is sleeved on the outer side of the metal inner cover, the limiting ring is connected with the metal inner cover to form a limiting groove with an upward opening, the outer cover is covered above the metal inner cover, an installation part is arranged on the edge of the outer cover, and the installation part is embedded and fixed in the limiting groove.

2. The lid for a thermos cup according to claim 1, wherein,

the bottom end of the metal inner cover is provided with a first flanging, and the limit ring is connected with the first flanging in a welding way to form the limit groove.

3. The lid for a thermos cup according to claim 2, wherein,

the outer cover is provided with an outwards protruding stop bulge, and the stop bulge is matched with the top stop of the limit ring when the mounting part is embedded in the limit groove.

4. The cup lid for a thermos cup according to claim 3, wherein,

the top of the limit ring is provided with a locating edge extending upwards, and the locating edge is connected with the stop protrusion in a welding way.

5. The cup lid for a thermos cup according to claim 3, wherein,

the limit ring is provided with a second flanging turned inwards towards the limit groove, and the limit ring is propped against the outer side of the installation part through the second flanging.

6. The lid for a thermos cup according to claim 1, wherein,

the inside of installation department is equipped with a plurality of spacing protruding bars along circumference interval, spacing protruding bar is followed the axial direction of enclosing cover extends, spacing protruding bar offsets with the metal inner cup.

7. The lid for a thermos cup according to claim 1, wherein,

the outer cover comprises a central area and a peripheral area, the central area is propped against the inner metal cover, and a gas storage cavity is formed between the peripheral area and the inner metal cover.

8. The lid for a thermos cup according to claim 1, wherein,

the metal inner cover and the limit ring are integrally formed.

9. The lid for a thermos cup according to any of claims 1 to 8, wherein,

the groove depth of the limiting groove is larger than 0.5cm.

10. A thermos cup comprising a cup body and a cup cover, characterized in that the cup cover is a cup cover for a thermos cup according to any one of claims 1 to 9, an external thread is arranged at the cup mouth of the cup body, an internal thread is arranged on the metal inner cover, and the cup cover can be covered on the cup mouth through the matching of the external thread and the internal thread.

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