CN210124629U - Electric heating thermos cup - Google Patents
Electric heating thermos cup Download PDFInfo
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- CN210124629U CN210124629U CN201920665136.2U CN201920665136U CN210124629U CN 210124629 U CN210124629 U CN 210124629U CN 201920665136 U CN201920665136 U CN 201920665136U CN 210124629 U CN210124629 U CN 210124629U
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Abstract
An electric heating thermos cup comprises a cup body, a cup cover and a heater assembly which can be mutually sleeved, wherein a silica gel plug is arranged at the axis of the inner wall of the cup cover; the heater assembly comprises a middle layer cover body and an electric heating module arranged in the inner cavity of the middle layer cover body. The axis of the middle layer cover body is provided with a steam hole which penetrates through the middle layer cover body from top to bottom, the upper end of the steam hole is opposite to the silica gel plug, the lower end of the steam hole is communicated with a steam hose, one end of the steam hose is communicated with the steam hole, the other end of the steam hose is communicated with a floating body, and the floating body is provided with an exhaust hole communicated with the steam hose. The electric heating module comprises a power socket, a steam switch, a heating element, an anti-dry-burning switch, a current-limiting resistor and an indicator light, wherein the power socket, the steam switch, the heating element and the anti-dry-burning switch are sequentially connected in series, and the current-limiting resistor and the indicator light are connected to two ends of the heating element in parallel. The electric heat thermos cup of present case separately sets up heating element and cup to improved the technique of traditional electric heat thermos cup at the bottom of cup heating, not only easy dismounting, convenient to carry but also keep warm effectually.
Description
Technical Field
The utility model relates to a thermos cup field, concretely relates to electric heat thermos cup.
Background
Traditional electric heat thermos cup all sets up the heater block is fixed in the bottom of thermos cup, heats the steel inner bag through the heater block. Because the inner container of the vacuum cup is provided with the vacuum heat insulation layer for heat insulation, the problem that how to heat water in the inner container by allowing heat to penetrate through the vacuum heat insulation layer is difficult to solve. In the prior art, a technical scheme of directly and simultaneously heating stainless steel walls on two sides of a vacuum heat insulation layer by using an electromagnetic principle or a resistance wire is adopted, but the heating effect of the scheme is reduced due to the existence of the vacuum heat insulation layer. Still some technical scheme do not need the insulating layer or get through the vacuum insulating layer of bottom of cup to set up a little hole for the bottom of cup, set up the heater block in the inner bag, pass the wire and connect the heater block in the little hole, but this kind of scheme can influence the heat preservation effect of thermos cup again.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome shortcoming and not enough among the prior art, provide an electric heat thermos cup, it adds the heater unit who establishes the activity between cup and bowl cover, separately sets up heating element and cup to improved the technique of traditional electric heat thermos cup at the bottom of cup heating, not only easy dismounting, convenient to carry but also keep warm effectually.
The utility model discloses a realize through following technical scheme:
the utility model provides an electric heat thermos cup, includes cup, bowl cover and the activity heater unit spare of setting between cup and bowl cover, but cup, heater unit spare and bowl cover mutual rotation cup joint specifically is:
the cup cover is provided with a silica gel plug at the axis of the inner wall of the cup cover;
the heater assembly comprises a middle layer cover body and an electric heating module, wherein the middle layer cover body can be butted with the cup body and the cup cover; the axis of the middle-layer cover body is provided with a steam hole which vertically penetrates through the middle-layer cover body, the upper end of the steam hole is opposite to the silica gel plug, the lower end of the steam hole is communicated with a steam hose, one end of the steam hose is communicated with the steam hole, the other end of the steam hose is communicated with a floating body, and the floating body is provided with an exhaust hole communicated with the steam hose; the electric heating module is fixedly arranged on the middle layer cover body.
Furthermore, the electric heating module comprises a power socket, a steam switch, a heating element, an anti-dry burning switch, a current-limiting resistor and an indicator light, wherein the power socket, the steam switch, the heating element, the anti-dry burning switch, the current-limiting resistor and the indicator light are sequentially connected in series, and the current-limiting resistor and the indicator light are connected at two ends of the heating element in parallel.
Furthermore, a sealing ring and a second internal thread are also arranged on the inner wall of the cup cover, the sealing ring is sleeved on the inner wall of the cup cover, and the second internal thread is arranged below the sealing ring; the cup body comprises a shell and an inner container, the shell is sleeved outside the inner container, the upper end of the inner container is higher than the shell, a first external thread is arranged on the outer side of a cup opening at the upper end of the inner container, and a vacuum heat insulation layer is arranged between the inner wall and the outer wall of the inner container.
Furthermore, a second external thread is arranged on the outer wall of the upper end of the middle layer cover body and matched with a second internal thread of the cup cover, and a first internal thread is arranged on the inner wall of the lower end of the middle layer cover body and matched with a first external thread of the cup body.
Further, the heating element is an annular electric heating tube or a U-shaped electric heating tube.
Further, the steam switch is arranged in the steam hole and is a normally closed temperature switch with the temperature control range of 95-98 ℃; the indicator light is a power indicator light; the dry burning prevention switch is a temperature switch; the power indicator light and the dry-burning prevention switch are fixed on the middle layer cover body.
Furthermore, an operation panel is further arranged on the middle layer cover body, a key switch and a temperature display screen are arranged on the operation panel, and the key switch and the temperature display screen are electrically connected with the on-off circuit.
Further, a containing cavity is arranged above the heating element of the middle-layer cover body, and a sealing ring is arranged on the inner wall of the middle-layer cover body.
Furthermore, the bottom of the middle cover body is also provided with a temperature sensor which is electrically connected with a temperature display screen on the operation panel through a lead; the on-off circuit is also connected with an electric leakage protection switch in series.
Furthermore, a power jack is further arranged on the side wall of the middle-layer cover body and electrically connected with a power socket in the electric heating module.
Compared with the prior art, the beneficial effects of this scheme are:
(1) a movable heater assembly is additionally arranged between the cup body and the cup cover, and the heating assembly and the cup body are separately arranged, so that the technology of heating the cup bottom of the traditional electric heating vacuum cup is improved, the electric heating vacuum cup is convenient to carry, and the heat preservation effect is good;
(2) the cup body, the cup cover and the heating component can be mutually rotatably sleeved through threads, so that the cup is convenient to disassemble and assemble;
(3) the on-off circuit of the electric heating module comprises an operation panel, a temperature display screen, a power indicator, a steam switch, an anti-dry-burning switch, an electric leakage protection switch and the like, has comprehensive functions and strong safety, and can ensure daily use requirements;
(4) the inner cavity of the electric heating module is provided with a containing cavity for containing an external power line, so that the electric heating module is convenient to use and carry;
(5) the electric heating module is provided with the sealing ring, the floating body and the steam hose, so that smooth steam discharge during heating is ensured, the airtightness is ensured, and the electric heating module is safe, heat-insulating, water-tight and good in heat-insulating effect.
In order that the invention may be more clearly understood, preferred embodiments of the invention will now be described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view of a cup body;
FIG. 3 is a schematic view of the lid;
FIG. 4 is a schematic structural view of a heater assembly;
FIG. 5 is a schematic structural view of a heating element;
FIG. 6 is a schematic view of the cup and lid combination with the heater assembly removed;
FIG. 7 is a schematic diagram of the connection of the on/off circuit of the electrothermal module;
FIG. 8 is a schematic view of the electric thermos cup placed upside down when boiling water;
fig. 9 is a schematic structural diagram of the second embodiment.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The first embodiment is as follows:
referring to fig. 1 to 8, the electric heating thermos cup of the present embodiment includes a cup body 1, a cup cover 2 and a heater assembly 3 movably disposed between the cup body 1 and the cup cover 2, wherein the cup body 1, the heater assembly 3 and the cup cover 2 are rotatably sleeved with each other. The electric heating thermos cup has a coherent and smooth appearance after the cup body 1, the heater component 3 and the cup cover 2 are rotatably sleeved and combined.
The cup body 1 comprises a shell 11 and an inner container 12, the shell 11 is sleeved outside the inner container 12, the upper end of the inner container 12 is higher than the shell 11, a vacuum heat insulation layer is arranged between the inner wall and the outer wall of the inner container 12, a first external thread 13 is arranged on the outer side of a cup opening at the upper end of the inner container 12, and the first external thread 13 can be rotatably sleeved with a first internal thread 312 on a heater component 3 and can also be rotatably sleeved with a second internal thread 22 arranged on a cup cover 2;
the cup cover 2 is provided with a sealing ring, a silica gel plug 21 and a second internal thread 22, the sealing ring is sleeved on the inner wall (not shown) of the cup cover 2, the silica gel plug 21 is arranged at the axle center of the inner wall of the cup cover 2, the second internal thread 22 is arranged on the inner wall of the cup cover 2 and is positioned below the sealing ring, the second internal thread 22 can be matched with the first external thread 13 on the outer side of the cup opening of the inner container 12 and can be in rotatable sleeve joint, and the second internal thread 22 can also be in rotatable sleeve joint with the second external thread 311 on the heater component 3. As a variation of this embodiment, the lid may also be of a clamshell design that is flipped up or closed by a rotating shaft disposed at the top of the heater assembly 3.
The heater assembly 3 comprises a middle layer cover body 31 which can butt joint the cup body 1 and the cup cover 2 and an electric heating module arranged on the middle layer cover body 31.
The outer wall of the upper end of the middle layer cover body 31 is provided with a second external thread 311, the inner wall of the lower end of the middle layer cover body 31 is provided with a first internal thread 312, and the second external thread 311 of the middle layer cover body 31 is matched with the second internal thread 22 of the cup cover 2, so that the middle layer cover body 31 can be rotatably sleeved with the cup cover 2; the first internal thread 312 of the middle layer cover 31 can match with the first external thread 13 of the rim of the inner container 12, so that the middle layer cover 31 can be rotatably sleeved with the cup body 1. A steam hole 313 penetrating the middle cover 31 up and down is arranged at the axial center of the middle cover 31, the upper end of the steam hole 313 is opposite to the silica gel plug 21, the lower end of the steam hole 313 is communicated with a steam hose 314, one end of the steam hose 314 is communicated with the other end of the steam hole 313 and is communicated with a floating body 315, and the floating body 315 is provided with an exhaust hole communicated with the steam hose 314. Because the floating body 315 always floats on the water surface 70, the steam in the inner container 12 can flow through the floating body 315 → the steam hose 314 → the steam hole 313 when the electric thermos cup is in a heating state, and finally is discharged from the top of the middle layer cover body 31; when the electric heating thermos cup is in a heat preservation state, only the cup cover 2 needs to be screwed down, and the silica gel plug 21 can block the steam hole 313, so that hot air is prevented from flowing out, and a heat preservation effect is achieved. The inner wall of the middle layer cover body 31 is also sleeved with a sealing ring for sealing and heat insulation.
The electric heating module is fixedly arranged in the inner cavity of the middle layer cover body 31, and comprises a power socket 321, a steam switch 322, a heating element 323, an anti-dry-burning switch 324, a current-limiting resistor 325 and an indicator light 326 which are connected in series in sequence, and the current-limiting resistor 325 and the indicator light are connected to two ends of the heating element in parallel. The power socket 321, the steam switch 322, the heating element 323, the dry-burning prevention switch 324, the current-limiting resistor 325 and the indicator lamp 326 are electrically connected to form an on-off circuit through lead wires. The indicator 326 is a power indicator, which is fixedly disposed on the middle cover 31, and the indicator 326 is turned on after the power is turned on; the steam switch 322 is a temperature switch using a bimetal as a temperature sensing element, and the steam switch 322 is disposed in the steam hole 313. Preferably, the steam switch 322 in this case is a KSD301 type normally closed steam switch with a temperature control range of 95 ℃ to 98 ℃. The dry-burning prevention switch 324 is also a bimetallic temperature switch, and is fixedly disposed on the middle cover 31. Preferably, the heating member 323 is an annular electric heating tube, the electric heating tube is a seamless carbon steel tube, titanium tube, stainless steel tube or copper tube, a heating resistance wire and a connecting terminal are arranged in the heating member, and the gap part in the heating member 323 is filled with magnesium oxide powder with good heat conductivity and insulativity. When the water heater is electrified, the current causes the heating resistance wire in the heating tube to generate heat, and the water in the inner container 12 is heated through the heating tube.
In this embodiment, a power jack is further disposed on the side wall of the middle cover 31, and the power jack is electrically connected to the power socket 321 in the electric heating module, so that an external power cord and a plug can be conveniently inserted into the power jack to power on and water boiling of the electric heating vacuum cup.
Example two:
referring to fig. 9, the difference between the second embodiment and the first embodiment is:
1) the heating element is a U-shaped electric heating tube;
2) the middle-layer cover body 31 is also provided with an operation panel which is provided with a key switch and a temperature display screen which are electrically connected with the on-off circuit;
3) the bottom of the middle layer cover body 31 is provided with a temperature sensor 327, and the temperature sensor 327 is electrically connected with a temperature display screen of the operation panel through a lead wire, so that the temperature sensor 327 can detect the water temperature in the vacuum cup and send and display a temperature signal on the temperature display screen;
4) the on-off circuit is also connected with an electric leakage protection switch in series, when the electric heating vacuum cup has electric leakage or the load current is larger than the rated current, the electric heating vacuum cup can automatically trip to cut off the power supply, thereby avoiding accidents;
5) still be provided with one in the inner chamber of middle level lid 31 and accomodate the chamber 328 in the top of U-shaped electrothermal tube, external power cord and plug can be accomodate and accomodate the chamber 328 when not boiling water, forget when avoiding carrying this electric heat thermos cup to go out and take power cord and plug, and in-service use is very convenient.
Except for this, the positional relationship, the connection relationship, or the circuit relationship between the components or parts of the second embodiment is the same as that of the first embodiment.
The working principle of the electric heating thermos cup in the scheme in practical use is as follows (please refer to fig. 8):
when boiling water, the middle layer cover body 31 and the cup body 1 are firstly screwed, the electric heating vacuum cup is placed upside down or horizontally, the cup mouth faces downwards, the cup bottom faces upwards, or the cup mouth faces towards the horizontal direction, the floating body 315 in the vacuum cup is suspended on the water surface 70, and at the moment, the exhaust hole on the steam hose 314 is exposed out of the water surface. Then the cup cover 2 sleeved on the heater component 3 is unscrewed properly, so that the silica gel plug 21 in the cup cover 2 can not block the steam outlet of the steam hole 313, or the cup cover is unscrewed without the cup cover, then the plug is inserted into an external circuit, the indicator light is lightened, and the electric heating vacuum cup starts to boil water. When the water is boiled, the steam reaches the steam hole 313 through the steam hose 314, impacts the bimetallic strip on the steam switch, the bimetallic strip expands and deforms under heat, the contact of the steam switch is opened, the circuit is disconnected, the electric heating tube stops heating, and the water is boiled. If the steam switch fails, water in the kettle is heated until the water is dried, the temperature of a heating part of the vacuum cup rises sharply, a bimetallic strip of the dry heating prevention switch expands and deforms due to the heat conduction effect, the contact is disconnected automatically, the circuit is cut off, and the electric heating tube stops heating.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. The utility model provides an electric heat thermos cup, includes cup, bowl cover and the activity heater unit spare of setting between cup and bowl cover, but cup, heater unit spare and bowl cover rotation each other cup joint its characterized in that:
the cup cover is provided with a silica gel plug at the axis of the inner wall of the cup cover;
the heater assembly comprises a middle layer cover body and an electric heating module, wherein the middle layer cover body can be butted with the cup body and the cup cover; the axis of the middle-layer cover body is provided with a steam hole which vertically penetrates through the middle-layer cover body, the upper end of the steam hole is opposite to the silica gel plug, the lower end of the steam hole is communicated with a steam hose, one end of the steam hose is communicated with the steam hole, the other end of the steam hose is communicated with a floating body, and the floating body is provided with an exhaust hole communicated with the steam hose; the electric heating module is fixedly arranged on the middle layer cover body.
2. The electrically heated thermos cup of claim 1 wherein: the electric heating module comprises a power socket, a steam switch, a heating element, an anti-dry burning switch, a current-limiting resistor and an indicator light, wherein the power socket, the steam switch, the heating element, the anti-dry burning switch, the current-limiting resistor and the indicator light are sequentially connected in series, and the current-limiting resistor and the indicator light are connected at two ends of the heating element in parallel.
3. The electrically heated thermos cup of claim 2 wherein: the inner wall of the cup cover is also provided with a sealing ring and a second internal thread, the sealing ring is sleeved on the inner wall of the cup cover, and the second internal thread is arranged below the sealing ring; the cup body comprises a shell and an inner container, the shell is sleeved outside the inner container, the upper end of the inner container is higher than the shell, a first external thread is arranged on the outer side of a cup opening at the upper end of the inner container, and a vacuum heat insulation layer is arranged between the inner wall and the outer wall of the inner container.
4. The electrically heated thermos cup of claim 3 wherein: the outer wall of the upper end of the middle layer cover body is provided with a second external thread matched with a second internal thread of the cup cover, and the inner wall of the lower end of the middle layer cover body is provided with a first internal thread matched with a first external thread of the cup body.
5. The electrically heated thermos cup of claim 4, wherein: the heating element is an annular electric heating tube or a U-shaped electric heating tube.
6. The electrically heated vacuum cup of claim 5, wherein: the steam switch is arranged in the steam hole and is a normally closed temperature switch with the temperature control range of 95-98 ℃; the indicator light is a power indicator light; the dry burning prevention switch is a temperature switch; the power indicator light and the dry-burning prevention switch are fixed on the middle layer cover body.
7. The electrically heated thermos cup of claim 6 wherein: the middle-layer cover body is further provided with an operation panel, the operation panel is provided with a key switch and a temperature display screen, and the key switch and the temperature display screen are electrically connected with the on-off circuit.
8. The electrically heated thermos cup of claim 7, wherein: the upper part of the heating element of the middle layer cover body is provided with a containing cavity, and the inner wall of the middle layer cover body is provided with a sealing ring.
9. The electrically heated thermos cup of claim 8 wherein: the bottom of the middle-layer cover body is also provided with a temperature sensor which is electrically connected with a temperature display screen on the operation panel through a lead; the on-off circuit is also connected with an electric leakage protection switch in series.
10. The electrically heated thermos cup of claim 9 wherein: the side wall of the middle layer cover body is also provided with a power supply jack, and the power supply jack is electrically connected with a power supply socket in the electric heating module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920665136.2U CN210124629U (en) | 2019-05-09 | 2019-05-09 | Electric heating thermos cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920665136.2U CN210124629U (en) | 2019-05-09 | 2019-05-09 | Electric heating thermos cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210124629U true CN210124629U (en) | 2020-03-06 |
Family
ID=69662332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920665136.2U Expired - Fee Related CN210124629U (en) | 2019-05-09 | 2019-05-09 | Electric heating thermos cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210124629U (en) |
-
2019
- 2019-05-09 CN CN201920665136.2U patent/CN210124629U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200306 Termination date: 20210509 |