CN213757800U - Cover body assembly and electric heating device - Google Patents
Cover body assembly and electric heating device Download PDFInfo
- Publication number
- CN213757800U CN213757800U CN202022164972.8U CN202022164972U CN213757800U CN 213757800 U CN213757800 U CN 213757800U CN 202022164972 U CN202022164972 U CN 202022164972U CN 213757800 U CN213757800 U CN 213757800U
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- China
- Prior art keywords
- hole
- mounting
- cover body
- installation
- sealing element
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- 238000005485 electric heating Methods 0.000 title claims description 13
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 9
- 230000004323 axial length Effects 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 25
- 230000000694 effects Effects 0.000 description 7
- 235000013305 food Nutrition 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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Abstract
The utility model relates to a domestic heating appliance technical field, concretely relates to lid subassembly and electric heater unit. A cover assembly, comprising: the cover body is provided with an installation through hole, a first sealing element is arranged in the installation through hole, the first sealing element comprises a main body part matched with the installation through hole and a limiting part extending to the inside of the cover body, the orthographic projection area of the limiting part in at least one direction is larger than that of the installation through hole in the direction, the first sealing element moves in the direction away from the installation through hole when being acted by external force so as to open the first state of the installation through hole and fix the first sealing element in the second state of the installation through hole under the action of the external force, and the limiting part has the movement allowance when the first sealing element is converted from the second state to the first state. The utility model provides a leakproofness is good to improve the result of use, guarantee safe in utilizationly, lid subassembly and electric heater unit that are difficult for losing.
Description
Technical Field
The utility model relates to a domestic heating appliance technical field, concretely relates to lid subassembly and electric heater unit.
Background
The electric heating lunch box is a portable small household appliance capable of heating food in the box at any time, and comprises a cavity for containing water and a cover body covering the opening of the cavity, wherein a detachable steam valve is arranged on the cover body. If a completely sealed steam valve is used, the steam valve needs to be manually opened to ensure the use safety due to higher pressure in the cavity when the steam valve is heated to a certain degree, the mode is inconvenient to operate and poor in user experience, and the steam valve is separated from the cover body after being opened and is easy to lose; therefore, a through hole allowing steam to overflow is formed in the steam valve, but the arrangement enables the whole cavity not to be in a completely sealed state even when the cover body is closed, and the using effect is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the lid leakproofness of the electric heat lunch-box among the prior art relatively poor, influences the defect of result of use to it is good to provide a leakproofness, in order to improve the result of use, guarantees safe in utilizationly simultaneously, the difficult lid subassembly and the electric heater unit that lose.
In order to solve the technical problem, the utility model provides a lid subassembly, include:
the body has the installation through-hole, be equipped with first sealing member in the installation through-hole, first sealing member include with the main part of installation through-hole adaptation with extend to the inside spacing portion of lid body, spacing portion is greater than in this side in the ascending orthographic projection area of at least one side the orthographic projection area of installation through-hole, first sealing member has when receiving the exogenic action to keeping away from the direction motion of installation through-hole, in order to open the first state of installation through-hole, and fix under the exogenic action second state in the installation through-hole, just spacing portion has the movement allowance when first sealing member is converted to first state by the second state.
Optionally, the installation through-hole includes first through-hole and the second through-hole that sets up through the dog interval, the main part with first through-hole adaptation, and through transition portion with spacing portion connects, transition portion with the dog joint, spacing portion runs through the setting of second through-hole, and axial length with the ratio of the hole depth of second through-hole is greater than 2: 1.
optionally, an expansion part is formed at one end of the limiting part extending to the inside of the cover body, and the orthographic projection area of the expansion part is larger than that of the second through hole.
Optionally, the mounting structure further comprises a vacuum structure adapted to the mounting through hole, and the vacuum structure is detachably connected to the mounting through hole.
Optionally, the lid body is provided with a second seal at its periphery.
Optionally, the cover body is further provided with an assembly hole, and a handle is connected to the assembly hole in a sealing mode.
Optionally, the handle is made of silica gel.
Still provide an electric heater unit, include the lid subassembly.
Optionally, the electric heating device is any one of an electric heating lunch box, an electric rice cooker or an electric kettle.
The utility model discloses technical scheme has following advantage:
1. when the cover body assembly is in a closed state in normal use, the cover body assembly is in a completely sealed state due to the arrangement of the first sealing element in the mounting through hole, so that the use effect is ensured; when pressure in the lid subassembly reaches a definite value, under the pressure effect of gaseous such as inside steam, first sealing member can be to the direction motion of keeping away from the installation through-hole to open the installation through-hole, guarantee safe in utilization, simultaneously because the blockking of spacing portion, first sealing member can not break away from the installation through-hole completely, has avoided the emergence of the easy lost condition of first sealing member after opening.
2. The utility model provides a lid subassembly, the axial length of spacing portion and the hole depth of second through-hole than being greater than 2: 1, so that the first through hole can be completely opened when the first sealing element is in the first state, and the use safety is ensured.
3. The utility model provides a lid subassembly, the setting of evacuation structure can be so that after the evacuation, the lid subassembly is inside to guarantee that the vacuum is sealed, improves fresh-keeping effect.
4. The utility model provides a lid subassembly, the setting of lid body periphery second sealing member has further improved the leakproofness of lid body, has avoided steam to run off in a large number in the use, influences the result of use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a cover assembly according to the present invention when a first sealing member is in a first state;
fig. 2 is a schematic view of the cover assembly provided by the present invention when the first sealing member is in the second state;
FIG. 3 is a schematic view of an electric heating device provided by the present invention
Fig. 4 is a cross-sectional view of the electric heating apparatus provided by the present invention in a normal working state;
fig. 5 is a sectional view when the electric heating apparatus is vacuumized using the vacuum structure.
Description of reference numerals:
1. a cover body; 2. a stopper; 3. a first through hole; 4. a second through hole; 5. a main body portion; 6. a limiting part; 7. a transition section; 8. a swelling part; 9. a vacuum pumping structure; 10. a second seal member; 11. an assembly hole; 12. a handle; 13. a connecting rod; 14. a base; 15. a housing; 16. and (5) a locking structure.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
One embodiment of the cover assembly shown in fig. 1 and 2 comprises a cover body 1, wherein a mounting through hole is formed in the center of the cover body 1, the mounting through hole comprises a first through hole 3 and a second through hole 4 which are arranged at intervals through a stop block 2, and the orthographic projection area of the first through hole 3 is larger than that of the second through hole 4.
The mounting through hole is internally provided with a first sealing element which is a steam valve port sealing ring, and the first sealing element comprises a main body part 5 matched with the mounting through hole and a limiting part 6 extending to the inside of the cover body 1. The first sealing element is provided with a first state which moves towards the direction far away from the installation through hole when being acted by external force so as to open the installation through hole and a second state which is fixed in the installation through hole under the action of the external force. Specifically, the big or small shape of main part 5 with the big or small shape adaptation of first through-hole 3 to complete the joint in first through-hole 3, and main part 5 through transition portion 7 with spacing portion 6 is connected, transition portion 7 with 2 joints of dog, spacing portion 6 runs through second through-hole 4 sets up. The main body part 5, the transition part 7 and the limiting part 6 are integrally processed and formed, and the thickness of the transition part 7 is smaller than that of the main body part 5 and the limiting part 6 so as to form clamping connection with the stop block 2.
The orthographic projection area of the limiting part 6 in at least one direction is larger than that of the mounting through hole in the direction, and the limiting part 6 has a movement allowance when the first sealing element is converted from the second state to the first state. Specifically, the limiting part 6 is a cylinder, and the ratio of the axial length to the hole depth of the second through hole 4 is greater than 2: 1. thus, when the first sealing member moves to the first state, the main body 5 is completely separated from the first through hole 3, i.e. a certain gap is formed between the main body 5 and the first through hole 3 to allow the internal steam to overflow.
For when preventing that first sealing member from moving to first state, first sealing member breaks away from the installation through-hole completely and takes place to lose, spacing portion 6 extends to the inside one end shaping of lid body 1 has inflation portion 8, the orthographic area of inflation portion 8 is greater than the orthographic area of second through-hole 4. Specifically, the enlarged portion 8 is a semicircular projection integrally formed with the stopper portion 6.
In order to improve the use effect, the vacuum-pumping structure 9 is matched with the mounting through hole, the vacuum-pumping structure 9 is a small vacuum pump, and the vacuum-pumping structure 9 is detachably connected with the mounting through hole. Open the main part 5 of first sealing member, insert first through-hole 3 with evacuation structure 9 in, carry out the evacuation to lid subassembly inside, then with 5 joints of main part in first through-hole 3 fixed to guaranteed the inside complete sealing of lid subassembly, improved the result of use, for example inside when storing food, prolonged the shelf life of food, improved fresh-keeping effect.
In order to further improve the sealing performance of the cover body assembly, an annular groove is formed in the periphery of the cover body 1, a second sealing element 10 is installed in the annular groove, and the second sealing element 10 is an annular sealing ring which can be detached and cleaned. The cover body 1 is further provided with two assembly holes 11 which are arranged at intervals, and two ends of the lifting handle 12 are fastened in the assembly holes 11 and are in sealing connection with the assembly holes 11. Handle 12 is the silica gel material, and for traditional injection molding handle, the silica gel handle is held the sense better, and user experience is better. In order to ensure the firmness of installation, a connecting rod 13 is arranged in the assembling hole 11, the end part of the handle 12 is sleeved on the connecting rod 13, and two ends of the connecting rod 13 are fixed on the cover body 1.
One embodiment of an electrical heating apparatus, as shown in fig. 3 to 5, includes the cover assembly described above. Use the electric heat lunch-box as the example, still include the base 14 of being connected with lid body 1 lock, base 14 has the top and is equipped with the open-ended and holds the chamber, holds and is equipped with a casing 15 in the chamber, and the top edge overlap joint of casing 15 is at the upper edge of base 14, with casing 15 demountable installation, and casing 15 is used for the splendid attire to treat the heated food, and the water is contained in the space between casing 15 and the chamber of holding. The annular sealing ring is arranged at the joint of the cover body 1 and the base 14 and is clamped and fixed with the shell 15. The cover body 1 is used for opening or closing the opening that holds the chamber, and the junction of cover body 1 and base 14 is equipped with locking structure 16, and locking structure 16 is a pair of relative setting, and locking structure 16 opens for cover body 1 removes the closure to holding the chamber, and locking structure 16 closes, and cover body 1 seals and holds the chamber.
When food in the casing 15 needs to be heated, firstly, a proper amount of water is added into the space between the casing 15 and the base 14, then the cover body 1 is closed, the main body part 5 of the steam valve port sealing ring is opened, the vacuum pump is inserted into the first through hole 3, the interior of the electric heating lunch box is vacuumized, and then the main body part 5 is clamped in the first through hole 3, so that the vacuum tightness is ensured. Then, heating is started, and after the heating is carried out to a certain degree, the steam valve port sealing ring moves towards the direction far away from the mounting through hole under the action of steam pressure so as to open the first through hole 3 and ensure the operation safety; after the heating is finished, the sealing ring of the steam valve port is restored to the position of the sealing cover body 1.
As an alternative embodiment, the installation through-hole is a bar hole, and first sealing member includes the main part unanimous with bar hole size shape and the shaping and covers the circular spacing portion of the inside one end that extends of body at the main part, and the diameter of circular spacing portion is greater than the width in bar hole to play the effect that the anti-drop is lost.
As an alternative embodiment, the electric heating device may also be an electric rice cooker or an electric kettle.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. A cover assembly, comprising:
the cover comprises a cover body (1) and a limiting part (6), wherein the cover body (1) is provided with a mounting through hole, a first sealing element is arranged in the mounting through hole, the first sealing element comprises a main body part (5) matched with the mounting through hole and a limiting part (6) extending to the inside of the cover body (1), the orthographic projection area of the limiting part (6) in at least one direction is larger than that of the mounting through hole in the direction, the first sealing element moves in the direction away from the mounting through hole when being acted by external force to open the first state of the mounting through hole and is fixed in the second state of the mounting through hole under the action of external force, and the limiting part (6) has the movement allowance when the first sealing element is converted from the second state to the first state.
2. The cover assembly according to claim 1, wherein the mounting through hole comprises a first through hole (3) and a second through hole (4) which are arranged at intervals through a stop block (2), the main body portion (5) is adapted to the first through hole (3) and is connected with the limiting portion (6) through a transition portion (7), the transition portion (7) is clamped with the stop block (2), the limiting portion (6) is arranged through the second through hole (4), and the ratio of the axial length to the hole depth of the second through hole (4) is greater than 2: 1.
3. the cover assembly according to claim 2, wherein an enlarged portion (8) is formed at one end of the limiting portion (6) extending to the inside of the cover body (1), and an orthographic area of the enlarged portion (8) is larger than that of the second through hole (4).
4. A cover assembly according to any one of claims 1-3, further comprising an evacuation structure (9) adapted to said mounting through hole, said evacuation structure (9) being detachably connected to said mounting through hole.
5. A cover assembly according to any one of claims 1-3, wherein the periphery of the cover body (1) is provided with a second seal (10).
6. A cover assembly according to any one of claims 1-3, wherein the cover body (1) is further provided with a mounting hole (11), and a handle (12) is hermetically connected in the mounting hole (11).
7. The cover assembly of claim 6, wherein said handle (12) is silicone.
8. An electrical heating device comprising a cover assembly according to any one of claims 1 to 7.
9. The electric heating apparatus as claimed in claim 8, wherein the electric heating apparatus is any one of an electric heating lunch box, an electric rice cooker, or an electric kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022164972.8U CN213757800U (en) | 2020-09-27 | 2020-09-27 | Cover body assembly and electric heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022164972.8U CN213757800U (en) | 2020-09-27 | 2020-09-27 | Cover body assembly and electric heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213757800U true CN213757800U (en) | 2021-07-23 |
Family
ID=76906801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022164972.8U Active CN213757800U (en) | 2020-09-27 | 2020-09-27 | Cover body assembly and electric heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213757800U (en) |
-
2020
- 2020-09-27 CN CN202022164972.8U patent/CN213757800U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |