CN218899107U - Vacuum thermos cup - Google Patents

Abstract

The application discloses vacuum cup, including shell and inner cup, the inner cup is advisable place in the shell, the inner cup includes outer courage and inner bag, the bottom of outer courage is uncovered to be set up, the outer courage with enclose into vacuum insulation chamber between the lateral wall of inner bag, the inner cup still includes the weld ring, the outer courage inboard is equipped with the first welding face along circumference extension, the outside of inner bag is equipped with the second welding face along circumference extension, weld ring's both ends respectively with first welding face with the welding of second welding face is in order to seal vacuum insulation chamber. The vacuum cup disclosed by the application increases the product yield, solves the technical problem of low yield of cold joint or welding caused by spot welding of the inner liner and the outer liner in the prior art, and is also beneficial to ensuring the sealing effect, the heat preservation effect and the structural strength and the service life of the inner cup of the vacuum heat preservation cavity.

Description

Vacuum thermos cup

Technical Field

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

Background

The vacuum heat insulation cup has the advantages that the vacuum heat insulation cavity is designed in the vacuum heat insulation cup, so that the outward emission of heat in the cup can be effectively slowed down, the heat insulation performance of the cup is improved, the vacuum heat insulation cup is favored by vast users in cold winter, and the vacuum heat insulation cup is also the first choice of users who like to use hot water at ordinary times.

The vacuum cup in the prior art generally comprises a cup cover, a shell and an inner cup, wherein the inner cup comprises an inner container and an outer container, the inner container and the outer container are made of stainless steel and are fixedly sealed through spot welding, a vacuum chamber is formed between the inner container and the outer container, the vacuum cup is generally fixed at the bottom ends of the inner container and the outer container through spot welding based on the structure, the welding reject ratio is high, the overall yield of the cup body is low, and the vacuum cup is easy to damage in the use process of a user. In addition, the vacuum cup of the prior art is generally provided with a temperature sensing probe on the cup cover to detect the water temperature in the cup, but the temperature measurement accuracy is greatly influenced by the water level depth change, the condition that the detection accuracy is worse when the water level is lower exists, and the condition is difficult to compensate through temperature compensation, so that the user experience is worse, and moreover, the cup cover is provided with the temperature sensing probe, so that the cup cover is complex in structure, high in manufacturing difficulty and high in cost.

Disclosure of Invention

The application provides a vacuum cup to solve at least one technical problem among the above-mentioned technical problems.

The technical scheme adopted by the application is as follows:

the utility model provides a vacuum cup, includes shell and inner cup, the inner cup is arranged in with taking place in the shell, the inner cup includes outer courage and inner bag, the bottom of outer courage is uncovered to be set up, the outer courage with enclose into vacuum insulation chamber between the lateral wall of inner bag, the inner cup still includes the weld ring, the outer courage inboard is equipped with the first welding face along circumference extension, the outside of inner bag is equipped with the second welding face along circumference extension, weld ring's both ends respectively with first welding face with the second welding face welds in order to seal vacuum insulation chamber.

The vacuum cup in the application also has the following additional technical characteristics:

the first welding surface is arranged at the bottom opening of the outer container, and the position height of the first welding surface in the vertical direction is lower than that of the second welding surface in the vertical direction.

The vacuum heat preservation cavity is arranged to be an expansion structure with gradually enlarged space from top to bottom.

The height of the first welding surface in the vertical direction is lower than that of the bottom wall of the inner container in the vertical direction, and the outer container supports the inner container through the first welding surface so as to form a heat insulation gap between the bottom wall of the inner container and the outer shell.

The bottom end surface of the welding ring is flush with the bottom end surface of the outer liner so that the outer liner and the welding ring together support the inner liner.

The vacuum cup further comprises a temperature measuring unit for detecting water temperature, the temperature measuring unit penetrates through the bottom opening of the outer container and is in contact with the inner container, and the first welding surface and the bottom wall of the inner container enclose a containing space for containing the temperature measuring unit.

The temperature measuring unit comprises a temperature sensing probe, a concave part which is recessed from outside to inside is arranged on the bottom wall of the inner container, and the temperature sensing probe stretches into the concave part.

The vacuum thermos cup further comprises a positioning seat, wherein the positioning seat is fixed in the shell, and the positioning seat is provided with a mounting position for mounting and positioning the temperature measuring unit.

The top of the outer liner is provided with an outward extending anti-falling convex part, and the outer liner is tightly attached to the shell through the anti-falling convex part.

The two anti-falling convex parts are arranged at intervals along the axial direction of the outer container, the anti-falling convex parts extend along the circumferential direction of the outer container, the vacuum cup further comprises a sealing body arranged between the outer container and the shell, and the sealing body is sleeved on the outer container and positioned between the two anti-falling convex parts.

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

1. as a preferred mode of this application, compare in current well inner bag and outer courage through the direct fixed sealed mode of spot welding, this application has add a weld ring, the first welded surface of outer courage and the second welded surface of inner bag realize indirect fixed seal through the face welding with the weld ring respectively, increased the product yield, solve prior art and bring the technical problem that rosin joint or welding yield are low because of the spot welding, also help guaranteeing the sealed effect and the heat preservation effect in vacuum heat preservation chamber.

2. As a preferred mode of this application, through making the position height of first welding face in vertical direction be less than the position height of second welding face in vertical direction to locate the bottom open department of outer courage with first welding face, make in welding process, can weld the second welding face with welding ring and inner bag in advance, establish outer courage cover after the inner bag outside again and make welding ring and first welding face welding, provide sufficient operating space for welding process, reduced the go-between degree of difficulty of welding process, help promoting welding efficiency.

3. As a preferred mode of this application, through making vacuum heat preservation chamber establish to the expansion structure that increases gradually from last space to lower for the space of the vacuum heat preservation chamber that is close to the inner bag bottom more is big, can avoid the lateral wall of the thinner department of corresponding inner bag to take place deformation at the in-process of evacuation more, has still enlarged the clearance between inner bag bottom and the outer courage, makes things convenient for welding ring and the welding of first welding face.

4. As a preferred mode of this application, the inner bag is supported through first welding face in order to form thermal-insulated clearance between inner bag diapire and the shell to the outer bag, has avoided inner bag and shell contact, has reduced the heat transfer of inner bag to the shell, has promoted the inner bag heat preservation effect, has also reduced the temperature rise of shell. In addition, the inside of the heat insulation gap also provides an installation space for parts such as a temperature measuring unit and the like.

5. As a preferred mode of the cup cover, the traditional mode of arranging the temperature measuring unit on the cup cover is omitted, the temperature measuring unit is arranged below the inner cup, the structure of the cup cover is simplified, and the cup cover is beneficial to reducing the processing forming difficulty and the manufacturing cost of the cup cover. Moreover, the temperature measuring unit passes through the bottom opening of the outer liner to be contacted with the inner liner, namely, the temperature measuring unit is directly contacted with the inner liner in a fitting way, compared with the mode of contacting the temperature measuring unit with the outer liner to measure the temperature, the temperature measuring accuracy is higher, and the temperature measuring unit cannot be influenced by the change of the water level in the inner liner, so that the temperature measuring unit is kept in a high-accuracy detection state continuously.

6. As a preferable mode of the temperature measuring device, the temperature sensing probe of the temperature measuring unit stretches into the concave part arranged on the bottom wall of the inner container, so that the contact area between the temperature sensing probe and the inner container is increased, the inner container can transfer heat to the temperature sensing probe better, the temperature sensing precision of the temperature sensing probe is increased, and the accuracy of temperature detection is improved.

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 vacuum cup provided in an embodiment of the present application;

FIG. 2 is a cross-sectional view of a vacuum cup provided in an embodiment of the present application;

FIG. 3 is a schematic view of the structure of an inner cup according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a mounting seat according to an embodiment of the present application.

Reference numerals:

1 outer shell, 2 inner cup, 21 outer container, 211 anti-disengaging convex part, 22 inner container, 221 concave part, 23 welding ring, 24 vacuum heat preservation cavity, 3 heat insulation gap, 4 temperature measuring unit, 41 temperature sensing probe, 5 positioning seat, 51 mounting groove and 6 sealing body.

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 vacuum cup is provided, and for convenience of explanation and understanding, the following descriptions provided in this application are all set forth 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 3, the vacuum cup provided by the application comprises a housing 1 and an inner cup 2, the inner cup 2 is placed in the housing 1 in a removable manner, the inner cup 2 comprises an outer liner 21 and an inner liner 22, the bottom of the outer liner 21 is arranged in an open mode, a vacuum insulation cavity 24 is formed between the outer liner 21 and the side wall of the inner liner 22 in a surrounding mode, the inner cup 2 further comprises a welding ring 23, a first welding surface extending along the circumferential direction is arranged on the inner side of the outer liner 21, a second welding surface extending along the circumferential direction is arranged on the outer side of the inner liner 22, and two ends of the welding ring 23 are welded with the first welding surface and the second welding surface respectively to seal the vacuum insulation cavity 24.

It can be appreciated by those skilled in the art that, in the vacuum cup provided in the present application, the inner cup 2 is preferably placed in the outer shell 1, and when in use, the inner cup 2 can be detached for cleaning, so as to ensure the cleanliness of the vacuum cup. Compared with the prior art that the inner container and the outer container are directly fixed and sealed through spot welding, the welding ring 23 is additionally arranged, the first welding surface of the outer container 21 and the second welding surface of the inner container 22 are respectively and fixedly sealed through surface welding with the welding ring 23, the product yield is increased, the technical problem that the prior art is low in false welding or welding yield due to spot welding is solved, the sealing effect and the heat preservation effect of the vacuum heat preservation cavity 24 are guaranteed, meanwhile, the inner container 22 is guaranteed to have better structural strength, and the durability and the service life of the inner container 22 are higher. The mouth parts of the inner container 22 and the outer container 21 can be welded and fixed by adopting the prior art.

As a preferred embodiment of the present application, as shown in fig. 2 and 3, the first welding surface may be disposed at the bottom opening of the outer container 21, and the position height of the first welding surface in the vertical direction is lower than the position height of the second welding surface in the vertical direction.

It can be understood by those skilled in the art that the height of the first welding surface in the vertical direction is lower than the height of the second welding surface in the vertical direction, and the first welding surface is arranged at the bottom opening of the outer liner 21, so that in the welding process, the second welding surface of the welding ring 23 and the inner liner 22 can be welded in advance, the welding process of the welding ring 23 and the second welding surface is not interfered by the outer liner 21, the outer liner 21 is sleeved outside the inner liner 22 after the welding of the welding ring 23 and the second welding surface is completed, and the welding ring 23 and the first welding surface are welded, because the first welding surface is positioned at the bottom opening of the outer liner 21, the first welding surface does not extend into the inner part of the outer liner 21, enough operation space is provided for the welding process, the difficulty in the welding process is reduced, and the welding efficiency is improved.

Further preferably, as shown in fig. 2, the vacuum insulation chamber 24 may be provided with an expanding structure in which the space gradually increases from top to bottom.

As can be appreciated by those skilled in the art, the inner container is generally formed by adopting a spinning forming manner, and the side wall of the inner container is thinner downwards by adopting the forming manner, so that the vacuum insulation cavity 24 is set to be an expansion structure with gradually increased space from top to bottom, so that the larger the space of the vacuum insulation cavity 24 which is closer to the bottom of the inner container 22 is, the better the vacuum buffering effect is, the deformation of the side wall of the thinner part of the corresponding inner container 22 in the vacuum pumping process can be avoided, the gap between the bottom end of the inner container 22 and the outer container 21 is enlarged, the influence of the inner container 22 on the welding process of the welding ring 23 and the first welding surface is reduced, and the rapid welding of the welding ring 23 and the first welding surface is facilitated.

As a preferred embodiment of the present application, as shown in fig. 2, the height of the first welding surface in the vertical direction may be lower than the height of the bottom wall of the inner container 22 in the vertical direction, and the outer container 21 may support the inner container 22 by the first welding surface to form the heat insulation gap 3 between the bottom wall of the inner container 22 and the outer case 1.

As can be appreciated by those skilled in the art, the outer liner 21 supports the inner liner 22 through the first welding surface, so that the bottom of the inner liner 22 is suspended, and a heat insulation gap 3 is formed between the bottom wall of the inner liner 22 and the outer shell 1, so that the inner liner 22 is prevented from contacting the outer shell 1, the heat transfer from the inner liner 22 to the outer shell 1 is reduced, the heat insulation effect is improved, the temperature rise of the outer shell 1 is also reduced, and the outer shell 1 is prevented from being overheated and being difficult to hold when the inner liner 22 contains hot water. In addition, the inside of the heat insulation gap 3 also provides an installation space for parts such as a temperature measuring unit and the like.

Further preferably, as shown in fig. 2 and 3, the bottom end surface of the weld ring 23 may be flush with the bottom end surface of the outer bladder 21 so that the outer bladder 21 and the weld ring 23 together support the inner bladder 22.

It can be understood by those skilled in the art that, since the bottom of the inner container 22 is suspended, when the inner container 22 has a certain weight after containing water, the inner container 22 is supported by the outer container 21 to easily cause the deformation of the outer container 21, and the inner container 22 is supported by the welding ring 23 and the outer container 21 together, so that the support is more reliable and the deformation of the outer container 21 is not easily caused.

As a preferred embodiment of the present application, as shown in fig. 1 and 2, the vacuum insulation cup may further include a temperature measuring unit 4 for detecting water temperature, where the temperature measuring unit 4 passes through the bottom opening of the outer liner 21 and contacts with the inner liner 22, and the first welding surface and the bottom wall of the inner liner 22 enclose a containing space for containing the temperature measuring unit 4.

It can be understood by those skilled in the art that the conventional manner of setting the temperature measuring unit on the cup cover is eliminated, and the temperature measuring unit 4 is arranged below the inner cup 2, so that the structure of the cup cover is simplified, and the processing forming difficulty and the manufacturing cost of the cup cover are reduced. Moreover, on the basis of the bottom opening of the outer liner 21, the temperature measuring unit 4 passes through the bottom opening to be in contact with the inner liner 22, namely, the temperature measuring unit 4 is directly in contact with the inner liner 22, compared with the mode of contacting the temperature measuring unit with the outer liner to measure the temperature, the temperature measuring accuracy is higher, water is contained on the bottom wall of the inner liner 22 no matter how much water is contained in the inner liner 22, so that the bottom wall of the inner liner 22 is always kept at the same temperature as the water, namely, the temperature measuring accuracy of the temperature measuring unit 4 is not influenced by the change of the water level in the inner liner 22, and the temperature measuring unit 4 is kept in a high-accuracy detection state continuously.

As a preferred example of the present embodiment, as shown in fig. 2 and 3, the temperature measuring unit 4 includes a temperature sensing probe 41, a bottom wall of the liner 22 is provided with a recess 221 recessed from outside to inside, and the temperature sensing probe 41 extends into the recess 221.

Specifically, the temperature sensing probe 41 is used for contacting with the bottom wall of the liner 22 and sensing the temperature, and converting the temperature signal into an electrical signal for information transmission. The temperature sensing probe 41 of the temperature measuring unit 4 stretches into the concave part 221 arranged on the bottom wall of the liner 22, so that the contact area between the temperature sensing probe 41 and the liner 22 is increased, the liner 22 can transfer heat to the temperature sensing probe 41 better, the temperature sensing precision of the temperature sensing probe 41 is increased, and the temperature detection accuracy is improved.

As a preferred example of this embodiment, as shown in fig. 1, 2 and 4, the vacuum cup further includes a positioning seat 5, where the positioning seat 5 is fixed in the housing 1, and the positioning seat 5 is provided with a mounting position for mounting and positioning the temperature measuring unit 4.

During the implementation, can pass through the screw fixation with positioning seat 5 in the bottom of shell 1, this application schematically depicts the installation position for setting up the embodiment at the mounting groove 51 at positioning seat 5 top, can inlay the temperature measurement unit 4 and adorn fixedly in mounting groove 51, utilizes mounting groove 51 to restrict the removal of temperature measurement unit 4 along the horizontal direction, avoids temperature measurement unit 4 to take place the off tracking, guarantees temperature measurement unit 4 and the reliable stable contact of inner bag 22.

In order to improve the reliability of the fit between the inner cup 2 and the outer shell 1, as shown in fig. 2 and 3, as a preferred embodiment, an outward extending anti-disengaging protrusion 211 may be provided on the top of the outer liner 21, and the outer liner 21 may be tightly attached to the outer shell 1 by the anti-disengaging protrusion 211, so that the inner cup 2 and the outer shell 1 form a tight fit, increasing the difficulty that the inner cup 2 spontaneously disengages from the outer shell 1, and improving the reliability and stability of the fit between the inner cup 2 and the outer shell 1.

Further preferably, as shown in fig. 1 to 3, two anti-disengagement protrusions 211 may be arranged at intervals along the axial direction of the outer liner 21, the anti-disengagement protrusions 211 extend along the circumferential direction of the outer liner 21, the vacuum cup further includes a sealing body 6 disposed between the outer liner 21 and the outer shell 1, and the sealing body 6 is sleeved on the outer liner 21 and is located between the two anti-disengagement protrusions 211. Due to the sealing body 6, the installation sealing performance between the inner cup 2 and the outer shell 1 is improved, dust, liquid, impurities and the like are effectively prevented from entering the space between the inner cup 2 and the outer shell 1, the use cleanliness of the vacuum insulation cup is ensured, the inner cup 2 is also facilitated to be delayed to radiate outwards, and the insulation effect of the vacuum insulation cavity 24 is improved. In addition, by disposing the sealing body 6 between the two retaining protrusions 211, the two retaining protrusions 211 are used to limit the sealing body 6 in the axial direction of the inner cup 2, thereby preventing the sealing body 6 from being deviated and affecting the sealing effect.

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 utility model provides a vacuum thermos cup, its characterized in that, includes shell and inner cup, the inner cup is desirable to place in the shell, the inner cup includes outer courage and inner bag, the bottom of outer courage is uncovered to be set up, the outer courage with enclose into vacuum insulation chamber between the lateral wall of inner bag, the inner cup still includes the weld ring, the outer courage inboard is equipped with the first welding face along circumference extension, the outside of inner bag is equipped with the second welding face along circumference extension, the both ends of weld ring respectively with first welding face with the second welding face welds in order to seal vacuum insulation chamber.

2. The vacuum cup as claimed in claim 1, wherein,

the first welding surface is arranged at the bottom opening of the outer container, and the position height of the first welding surface in the vertical direction is lower than that of the second welding surface in the vertical direction.

3. A vacuum cup as claimed in claim 2, wherein,

the vacuum heat preservation cavity is arranged to be an expansion structure with gradually enlarged space from top to bottom.

4. The vacuum cup as claimed in claim 1, wherein,

the height of the first welding surface in the vertical direction is lower than that of the bottom wall of the inner container in the vertical direction, and the outer container supports the inner container through the first welding surface so as to form a heat insulation gap between the bottom wall of the inner container and the outer shell.

5. The vacuum cup as claimed in claim 4, wherein,

the bottom end surface of the welding ring is flush with the bottom end surface of the outer liner so that the outer liner and the welding ring together support the inner liner.

6. The vacuum cup as claimed in claim 1, wherein,

the vacuum cup further comprises a temperature measuring unit for detecting water temperature, the temperature measuring unit penetrates through the bottom opening of the outer container and is in contact with the inner container, and the first welding surface and the bottom wall of the inner container enclose a containing space for containing the temperature measuring unit.

7. The vacuum cup as claimed in claim 6, wherein,

the temperature measuring unit comprises a temperature sensing probe, a concave part which is recessed from outside to inside is arranged on the bottom wall of the inner container, and the temperature sensing probe stretches into the concave part.

8. The vacuum cup as claimed in claim 6, wherein,

the vacuum thermos cup further comprises a positioning seat, wherein the positioning seat is fixed in the shell, and the positioning seat is provided with a mounting position for mounting and positioning the temperature measuring unit.

9. The vacuum cup as claimed in claim 1, wherein,

the top of the outer liner is provided with an outward extending anti-falling convex part, and the outer liner is tightly attached to the shell through the anti-falling convex part.

10. A vacuum cup as claimed in claim 9, wherein,

the two anti-falling convex parts are arranged at intervals along the axial direction of the outer container, the anti-falling convex parts extend along the circumferential direction of the outer container, the vacuum cup further comprises a sealing body arranged between the outer container and the shell, and the sealing body is sleeved on the outer container and positioned between the two anti-falling convex parts.

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