CN210611786U - Safe heating thermos cup - Google Patents
Safe heating thermos cup Download PDFInfo
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- CN210611786U CN210611786U CN201921276568.0U CN201921276568U CN210611786U CN 210611786 U CN210611786 U CN 210611786U CN 201921276568 U CN201921276568 U CN 201921276568U CN 210611786 U CN210611786 U CN 210611786U
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Abstract
The utility model discloses a safe heating vacuum cup, which comprises a cup body and a cup cover, wherein a heating device is arranged in the cup body, a pressure relief device is arranged at the top of the cup cover, a pressure relief hole is arranged on the bottom surface of the cup cover corresponding to the pressure relief device, the pressure relief device comprises a base, an inner cavity of the base is communicated with the pressure relief hole, a silica gel sealing element which can move up and down through an elastic element is also arranged in the pressure relief hole, the silica gel sealing element can move up and down to be separated from or attached to the wall surface of the inner cavity of the base to realize the dredging and blocking of the pressure relief hole and the outside atmosphere; the silica gel sealing element is provided with an exhaust hole which can be elastically opened under the action of air pressure, and when the air pressure in the cup is too high, the exhaust hole can be expanded to exhaust the air in the cup, so that the safety problem caused by overpressure is prevented.
Description
Technical Field
The utility model relates to a thermos cup that possesses heating function.
Background
The thermos cup is a container capable of prolonging the warm time of food, has the functions of storing the food just cooked, keeping the food in a warm state for a long time and bringing convenience for people to eat without reheating when carrying out.
In the prior art, a heating device is arranged in a cup body of a heat-preserving cup, so that the heat-preserving cup has the heating and heat-preserving functions, and the drinks and foods stored in the heat-preserving cup can be continuously in a warm state or subjected to secondary cooking; however, when the heating function is realized, the liquid or gas in the cup may evaporate or expand with the rise of temperature, so that the pressure in the cup is increased continuously, thereby causing accident potential. On the other hand, because of the principle of expend with heat and contract with cold, after the thermos cup is heated and cooked, the pressure in the thermos cup is greater than atmospheric pressure, which causes the cup cover to be difficult to open, and similarly, when high-temperature food is filled in the thermos cup, the air and the moisture in the cup are all in a state with higher temperature, and along with the gradual decrease of the temperature in the cup, negative pressure is formed in the cup, and pressure difference exists inside and outside the cup, which causes the cup cover to be difficult to open.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a safe heating vacuum cup which is convenient to use.
The utility model provides a technical scheme that its technical problem adopted is:
a safe heating vacuum cup comprises a cup body and a cup cover, wherein a heating device is arranged in the cup body, a pressure relief device is arranged at the top of the cup cover, a pressure relief hole is formed in the bottom surface of the cup cover corresponding to the pressure relief device, the pressure relief device comprises a base, an inner cavity of the base is communicated with the pressure relief hole, a silica gel sealing element which can move up and down through an elastic element is further arranged in the base, and the silica gel sealing element can move up and down to be separated from or attached to the wall surface of the inner cavity of the base; the silica gel sealing element is provided with an exhaust hole which can be elastically opened under the action of air pressure.
The exhaust hole is needle eye-shaped and is in a closed state under normal pressure due to the elasticity of the material.
The base comprises an exhaust cavity and an airtight cavity which are vertically communicated through a through hole, and an end face fixedly installed with the cup cover, the silica gel sealing element is provided with a sealing end face, the sealing end face is attached to the end face of the through hole in the airtight cavity, and the rest part of the silica gel sealing element penetrates through the through hole and extends into the exhaust cavity; the elastic piece is located sealing end face below, and its both ends butt respectively at sealing end face and airtight chamber diapire, make the elastic activity about the silica gel sealing member realizes.
The sealing member is equipped with and wears out according to the button post the through-hole gets into the exhaust chamber, the exhaust hole sets up on according to the button post, according to the toper structure that the button post is big end down.
Be equipped with the confession on the bowl cover pressure relief device fixed mounting's mount pad, the mount pad includes uses the pressure release hole to enclose the dado that establishes as the center and follows a plurality of erection columns that the dado periphery was arranged, pressure relief device's base cartridge is in the dado, and the installation end face of base with the erection column passes through the fastener and connects fixedly.
The base is sleeved with a sealing gasket and clamped between the end faces of the protective wall and the pressure relief hole.
The top of the inner cavity of the base is covered with a surface cover, and the bottom surface of the surface cover extends downwards to form a convex column which is stopped above the key column.
The top of the base is provided with an exhaust groove which is covered and arranged below by the surface cover, and the surface cover is provided with an exhaust port corresponding to the exhaust groove.
The bottom surface of the face cover extends downwards to form a positioning column, and the mounting end face is provided with a positioning hole corresponding to the positioning column.
The surface of the surface cover is flush with the surface of the cup cover.
The utility model has the advantages that: the pressure relief device is arranged on the cup cover, when the cover is opened, the inside and the outside of the cup are communicated by pressing the silica gel sealing piece of the pressure relief device, so that the air pressure is balanced, and the opening of the cup cover is easy; and the silica gel sealing element of the pressure relief device is provided with an exhaust hole for avoiding overlarge air pressure in the cup, when the air pressure in the cup is overlarge, the exhaust hole can be expanded to exhaust the air in the cup, and the potential safety hazard caused by overpressure is prevented.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a partial cross-sectional view of the cup of the present invention;
FIG. 3 is a schematic view of the cup lid of the present invention;
fig. 4 is a partial cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of the vent of FIG. 4 when it is elastically expanded;
fig. 6 is a schematic structural view of the cover of the present invention.
Detailed Description
Referring to fig. 1 to 6, the safe and heatable vacuum cup comprises a cup body 1 and a cup cover 2, wherein a heating device 9 is arranged in the cup body 1, so that the vacuum cup has a heating and heat-preserving function; in order to prevent the problem that the cup cover 2 is difficult to open due to unbalanced air pressure inside and outside the cup, the top of the cup cover 2 is provided with the pressure relief device 3, the bottom surface of the cup cover 2 is provided with the pressure relief hole 24 corresponding to the pressure relief device 3, the pressure relief device 3 comprises a base 4, the inner cavity of the base 4 is communicated with the pressure relief hole 24, and a silica gel sealing piece 5 which moves up and down through an elastic piece 6 is further arranged in the pressure relief device, so that the blockage of the pressure relief hole 24 is loosened, when the cup is opened, the inner and the outer of the cup are communicated only by pressing the silica gel sealing piece 5; because the thermos cup is when realizing the heating function, liquid or gas in the cup can evaporate or expand along with the rising of temperature, lead to the atmospheric pressure in the cup constantly to increase and produce the accident, consequently, but offer the open exhaust hole 52 of elasticity on the silica gel sealing member 5, when atmospheric pressure in the cup is too big, can prop big exhaust hole and discharge the gas in the cup, prevent that excessive pressure from causing the potential safety hazard.
As the utility model discloses a preferred scheme, exhaust hole 52 is the pinhole form, and because material elasticity is in the closure state under the ordinary pressure, be in operating condition when the thermos cup, atmospheric pressure in the cup rises to safety limit gradually, gas can be washed away and is propped up exhaust hole 52 and carry out the pressure release with the gas outgoing in the cup, because the exhaust hole 52 of this design is less, can prevent that the liquid that boils in the cup from boiling overflows from exhaust hole 52, and when the heat preservation cup is being carried, be in the state of putting or putting upside down, the exhaust hole 52 that keeps the closure state can effectively prevent the liquid outflow in the cup, make the carrying of thermos cup more safe and convenient, on the other hand, exhaust hole 52 is in the closure state and can eliminate and arrange that exhaust hole 52 causes the influence to the heat preservation function of thermos cup, guarantee the heat preservation effect. The vent 52 may also take the form of a straight seam, a cross seam, etc., and have the same technical effect.
The following is the preferable structural design scheme of the pressure relief device 3 of the utility model, specifically, the base 4 comprises an air exhaust cavity 41 and an airtight cavity 42 which are vertically communicated through a through hole 44, and a fixing installation end surface 43 with the cup cover 2, the silica gel sealing element 5 is provided with a sealing end surface 51, and the sealing end surface 51 is attached to the end surface of the through hole 44 in the airtight cavity 42; when a user needs to open the cover, the silica gel sealing piece 5 is pushed to press downwards, the sealing end face 51 is separated from the end face of the through hole 44 in the airtight cavity 42, the through hole 44 is communicated with the airtight cavity 42, namely the airtight cavity 42 is communicated with the exhaust cavity 41, the cup can communicate with the atmosphere outside the cup through the pressure relief hole 24, the airtight cavity 42, the through hole 44 and the exhaust cavity 41, so that the air pressure inside and outside the cup is balanced, and the cup cover can be opened easily.
In order to facilitate the pressing of the sealing element 5, the sealing element 5 is provided with a key post 53, the exhaust hole 52 is arranged on the key post 53, the key post 53 penetrates through the through hole 44 and enters the exhaust cavity 41, the sealing element 5 can be moved downwards by pushing the key post 53, the operation is easier, and in order to ensure that the air flow is more convenient to flow when the sealing element 5 is pressed, the key post 53 is designed to be in a tapered structure with a small top and a large bottom, after the key post 53 moves downwards, the gap between the key post 53 and the inner wall of the through hole 44 can be gradually enlarged, and the fluidity of the air flow is ensured.
The pressure relief device 3 with the structure is fixedly installed through the installation seat 21 arranged on the cup cover 2, the installation seat 21 comprises a protection wall 22 which is arranged by taking the pressure relief hole 24 as a center in an enclosing mode and a plurality of installation columns 23 arranged along the periphery of the protection wall 22, the base 4 of the sealing device 3 is inserted into the protection wall 22, and the installation end face 43 of the base 4 is fixedly connected with the installation columns 23 through fasteners. In order to ensure that the base 4 can keep good air tightness with the pressure relief hole 24, the base 4 is sleeved with the sealing gasket 10 and clamped between the end surfaces of the protective wall 22 and the pressure relief hole 24, the sealing gasket 10 is tightly pressed on the surface of the base 4 through the end surfaces of the protective wall 22 and the pressure relief hole 24, double sealing in the axial direction and the radial direction is realized, and the pressure relief device 3 is tightly connected with the cup cover 2.
Preferably, the top of the inner cavity of the base 4 of the pressure relief device 3 is covered with a surface cover 7 for protecting dust or impurities from entering the pressure relief device 3. The convex column 71 extends downwards from the bottom surface of the face cover 7 and stops above the key post 41 to fill up the gap between the top wall of the face cover 7 and the key post 41, so that when a user presses the key post 41 through the face cover 7, the user can more easily touch the silicone sealing member 5, thereby realizing response. Because the face cover 7 covers the upper part of the pressure relief device 3, in order to not influence the air flow during the pressure relief work, an exhaust groove 45 is arranged on the installation end surface 43 of the base of the pressure relief device to communicate the exhaust cavity 41 with the peripheral edge of the installation end surface 43, and the face cover 7 is provided with an exhaust port 73 corresponding to the exhaust groove 45; furthermore, in order to align the exhaust port 73 with the exhaust groove 45 when the face cover 7 is mounted, a positioning post 72 is extended downward from the bottom surface of the face cover 7, and the mounting end surface 43 is provided with a positioning hole 46 corresponding to the positioning post 72 for positioning and mounting. The surface of the surface cover 7 is flush with the surface of the cup cover 2, and the pressure relief device 3 is covered, so that the appearance integral sense of the vacuum cup is enhanced.
Claims (10)
1. The utility model provides a safe heating thermos cup, includes cup (1) and bowl cover (2), cup (1) embeds there is heating device (9), its characterized in that: the pressure relief device (3) is arranged at the top of the cup cover (2), a pressure relief hole (24) is formed in the bottom surface of the cup cover (2) corresponding to the pressure relief device (3), the pressure relief device (3) comprises a base (4), the inner cavity of the base (4) is communicated with the pressure relief hole (24), a silica gel sealing piece (5) which can move up and down through an elastic piece (6) is further arranged in the base, and the silica gel sealing piece (5) can move up and down to be separated from or attached to the wall surface of the inner cavity of the base (4) to realize dredging and blocking of the pressure relief; the silica gel sealing element (5) is provided with an exhaust hole (52) which can be elastically opened under the action of air pressure.
2. The heated insulated cup of claim 1, wherein: the exhaust hole (52) is needle-eye shaped and is in a closed state under normal pressure due to elasticity of the material.
3. The heated insulated cup of claim 1, wherein: the base (4) comprises an exhaust cavity (41) and an airtight cavity (42) which are vertically communicated through a through hole (44), and a fixing installation end surface (43) of the base and the cup cover (2), the silica gel sealing element (5) is provided with a sealing end surface (51), and the sealing end surface (51) is attached to the end surface of the through hole (44) in the airtight cavity (42); the elastic piece (6) is located below the sealing end face (51), and two ends of the elastic piece are respectively abutted against the sealing end face (51) and the bottom wall of the airtight cavity (42), so that the silica gel sealing piece (5) can elastically move up and down.
4. The heated insulated cup of claim 3, wherein: sealing member (5) are equipped with and wear out button post (53) through-hole (44) get into exhaust chamber (41), exhaust hole (52) set up on button post (53), button post (53) are big end down's toper structure.
5. The heated insulated cup of claim 3, wherein: be equipped with the confession on bowl cover (2) pressure relief device (3) fixed mounting's mount pad (21), mount pad (21) include and use pressure release hole (24) to enclose dado (22) of establishing and follow as the center a plurality of erection column (23) that dado (22) periphery was arranged, base (4) cartridge of pressure relief device (3) is in dado (22), and installation end face (43) of base (4) with erection column (23) are connected fixedly through the fastener.
6. The heated insulated cup of claim 5, wherein: the base (4) is sleeved with a sealing gasket (10) which is clamped between the end faces of the protective wall (22) and the pressure relief hole (24).
7. The heated insulated cup of claim 1, wherein: the top of the inner cavity of the base (4) is covered with a face cover (7), and a convex column (71) extends downwards from the bottom surface of the face cover (7) and is stopped above the silica gel sealing element (5).
8. The heated insulated cup of claim 7, wherein: the top of the base (4) is provided with an exhaust groove (45) and the face cover (7) covers the lower part, and the face cover (7) is provided with an exhaust port (73) corresponding to the exhaust groove (45).
9. The heated insulated cup of claim 7, wherein: the bottom surface of the face cover (7) extends downwards to form a positioning column (72), and a positioning hole (46) is formed in the mounting end face (43) of the base (4) corresponding to the positioning column (72).
10. The heated insulated cup of claim 7, wherein: the surface of the surface cover (7) is flush with the surface of the cup cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276568.0U CN210611786U (en) | 2019-08-06 | 2019-08-06 | Safe heating thermos cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276568.0U CN210611786U (en) | 2019-08-06 | 2019-08-06 | Safe heating thermos cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210611786U true CN210611786U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921276568.0U Active CN210611786U (en) | 2019-08-06 | 2019-08-06 | Safe heating thermos cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210611786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184414A (en) * | 2019-08-06 | 2020-05-22 | 广东顺德奇伟电器科技有限公司 | Safe heating thermos cup |
-
2019
- 2019-08-06 CN CN201921276568.0U patent/CN210611786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184414A (en) * | 2019-08-06 | 2020-05-22 | 广东顺德奇伟电器科技有限公司 | Safe heating thermos cup |
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