CN211723628U - Hand warmer - Google Patents
Hand warmer Download PDFInfo
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- CN211723628U CN211723628U CN201921140357.4U CN201921140357U CN211723628U CN 211723628 U CN211723628 U CN 211723628U CN 201921140357 U CN201921140357 U CN 201921140357U CN 211723628 U CN211723628 U CN 211723628U
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Abstract
The utility model provides a hand warmer, include: the device comprises a finger ring buckle, a metal surface cover, a metal bottom cover, an inner supporting surface cover, a middle frame, an inner supporting bottom cover, a first heating film, a second heating film, a first heat insulation layer, a second heat insulation layer, a first temperature control switch, a second temperature control switch and a battery; the ring buckle is connected on the metal surface cover; the metal surface cover, the middle frame and the metal bottom cover are connected to form an inner accommodating space; the first temperature-raising film and the second temperature-raising film are respectively tightly attached to the inner walls of the metal surface cover and the metal bottom cover; the first temperature-raising film and the second temperature-raising module are electrically connected with the battery through a first temperature-control switch and a second temperature-control switch respectively; the inner supporting surface cover is sequentially connected with the middle frame and the inner supporting bottom cover to form a containing cavity, and a battery is arranged in the containing cavity. This scheme has avoided warm hand treasured as far as possible through indicating the latch closure because the damage that drops and cause, and can two-sidedly set up different temperatures, has promoted the scope of using, has satisfied the user to different heating temperature's needs.
Description
Technical Field
The utility model relates to a hand warmer field, concretely relates to hand warmer.
Background
Hand warmer is a health care products that can self-heating, and it adopts physics or chemical mode to realize self-heating, but present hand warmer wholly presents structure as an organic whole, does not have outstanding part, is unfavorable for the user to fix and holds, and the unexpected condition that drops takes place easily when using leads to hand warmer to damage easily.
Furthermore, the current hand warmer is easy to have the phenomenon of over-high temperature or over-low temperature, so that the use experience of a user is poor, and the hand warmer can only heat a single surface to warm hands, so that the use of the hand warmer is limited.
From this, need not to be difficult to the accident and drop and use the hand warmer that experiences better at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a hand warmer, through the setting that indicates the latch closure, convenience of customers fixes hand warmer, be difficult to take place the condition that drops, avoided hand warmer as far as possible because the condition that drops and cause the damage, and hand warmer in this scheme, can two-sided heating, and control through temperature detect switch separately for there can be the temperature setting of two-sided difference, the scope of using has been promoted, the user to different heating temperature's needs has been satisfied.
Specifically, the utility model provides a following specific embodiment:
the embodiment of the utility model provides a hand warmer is provided, include: the temperature control device comprises a finger ring buckle, a metal surface cover, a metal bottom cover, an inner supporting surface cover, a middle frame, an inner supporting bottom cover, an annular first temperature-raising film, an annular second temperature-raising film, a first heat-insulating layer, a second heat-insulating layer, a first temperature-control switch, a second temperature-control switch and a rechargeable battery; wherein the ring buckle is connected to the metal surface cover; the metal surface cover, the middle frame and the metal bottom cover are connected to form an inner accommodating space; the inner supporting surface cover, the inner supporting bottom cover, the first heating film, the second heating film, the first heat insulation layer and the second heat insulation layer are accommodated in the accommodating space; the first heat insulation layer and the second heating film are sequentially and respectively arranged between the inner supporting surface cover and the metal surface cover; the second heat insulation layer and the second heating film are sequentially and respectively arranged between the inner support bottom cover and the metal bottom cover; the first warming film is tightly attached to the inner wall of the metal surface cover; the second temperature-raising film is tightly attached to the inner wall of the metal bottom cover; the first temperature-raising film is electrically connected with the battery through the first temperature control switch; the second temperature-raising film is electrically connected with the battery through the second temperature control switch; the inner supporting surface cover is sequentially connected with the middle frame and the inner supporting bottom cover to form a containing cavity, and the battery is arranged in the containing cavity.
In a specific embodiment, the first thermal insulation layer and the second thermal insulation layer are both thermal insulation cotton layers.
In a specific embodiment, the area of the first thermal insulation layer is larger than that of the first temperature raising layer, and when the first thermal insulation layer and the first temperature raising layer are both installed, the first thermal insulation layer covers the first temperature raising layer completely;
the area of the second heat insulation layer is larger than that of the second temperature raising layer, and when the second heat insulation layer and the second temperature raising layer are installed completely, the second heat insulation layer covers the second temperature raising layer completely.
In a specific embodiment, the finger ring buckle is a silicone buckle.
In a specific embodiment, the finger ring buckle comprises a fixing part fixedly connected with the metal surface cover and a retaining ring connected with the fixing part;
the fixing part is in a block shape, and the metal surface cover is provided with a fixing connecting hole; the area of the fixing connecting hole is smaller than the cross-sectional area of the fixing part, and the finger ring buckle penetrates through the fixing connecting hole from the inner side of the metal surface cover through the retaining ring until the fixing part is tightly attached to the inner wall of the metal surface cover, so that the finger ring buckle is connected with the metal surface cover.
In a specific embodiment, the fixing portion and the retaining ring are of a unitary structure.
In a specific embodiment, a plurality of supporting columns and a plurality of buckles are arranged on the inner support bottom cover; the inner supporting surface cover is provided with a plurality of supporting points and the clamping hooks; the supporting point is matched with the supporting column, the buckle is matched with the clamping hook, so that the supporting column penetrates through the middle frame until clinging to the supporting point, and the inner support bottom cover is fixedly connected with the middle frame and the inner support surface cover in a mode that the buckle and the clamping hook are fixed.
In a specific embodiment, a control board is further arranged in the accommodating cavity; the control panel is connected with the temperature control switch and the battery.
In a specific embodiment, the control board is fixed on the middle frame, and a charging port is arranged on the control board.
In a specific embodiment, the method further comprises the following steps: a silica gel plug; the silica gel plug is matched with the charging port and used for shielding and sealing the charging port.
Therefore, the embodiment of the utility model provides a hand warmer is provided, include: the temperature control device comprises a finger ring buckle, a metal surface cover, a metal bottom cover, an inner supporting surface cover, a middle frame, an inner supporting bottom cover, an annular first temperature-raising film, an annular second temperature-raising film, a first heat-insulating layer, a second heat-insulating layer, a first temperature-control switch, a second temperature-control switch and a rechargeable battery; wherein the ring buckle is connected to the metal surface cover; the metal surface cover, the middle frame and the metal bottom cover are connected to form an inner accommodating space; the inner supporting surface cover, the inner supporting bottom cover, the first heating film, the second heating film, the first heat insulation layer and the second heat insulation layer are accommodated in the accommodating space; the first heat insulation layer and the second heating film are sequentially and respectively arranged between the inner supporting surface cover and the metal surface cover; the second heat insulation layer and the second heating film are sequentially and respectively arranged between the inner support bottom cover and the metal bottom cover; the first warming film is tightly attached to the inner wall of the metal surface cover; the second temperature-raising film is tightly attached to the inner wall of the metal bottom cover; the first temperature-raising film is electrically connected with the battery through the first temperature control switch; the second temperature-raising film is electrically connected with the battery through the second temperature control switch; the inner supporting surface cover is sequentially connected with the middle frame and the inner supporting bottom cover to form a containing cavity, and the battery is arranged in the containing cavity. This scheme is through the setting that indicates the latch closure, and convenience of customers fixes warm hand treasured, is difficult to take place the condition that drops, has avoided warm hand treasured as far as possible because the circumstances that causes the damage drops, and warm hand in this scheme is precious, can two-sided heating, and controls through first temperature detect switch or second temperature detect switch separately for can have the temperature setting of two-sided difference, promoted the scope of using, satisfied the user to different heating temperature's needs.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a hand warmer provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a hand warmer provided by an embodiment of the present invention;
fig. 3 is a schematic structural view of a hand warmer according to an embodiment of the present invention;
fig. 4 is an explosion structure diagram of a hand warmer provided by an embodiment of the present invention.
Illustration of the drawings:
1-ring buckle; 11-a fixed part; 12-a retaining ring;
2-metal surface cover; 21-fixing the connecting hole;
3-a metal bottom cover;
4-inner supporting surface cover; 41-support point; 42-hook;
5-middle frame;
6-internally supporting the bottom cover; 61-support column; 62-fastener
71-a first warming film; 72-a second warming film;
81-a first insulating layer; 82 a second insulating layer;
91-a first temperature controlled switch; 92-a second temperature controlled switch;
10-a battery;
11-a control panel; 111-a charging port;
12-silica gel plug.
Detailed Description
To explain the present solution in detail, the present solution will explain the solution of the present application in detail by way of the following specific examples.
Examples
The present embodiment provides a hand warmer, as shown in fig. 1 to 4, including: the device comprises a finger ring buckle 1, a metal surface cover 2, a metal bottom cover 3, an inner supporting surface cover 4, a middle frame 5, an inner supporting bottom cover 6, an annular first warming film 71, an annular second warming film 72, a first heat insulation layer 81, a second heat insulation layer 82, a first temperature control switch 91, a second temperature control switch 92 and a rechargeable battery 10; wherein, the finger ring buckle 1 is connected on the metal surface cover 2; the metal surface cover 2, the middle frame 5 and the metal bottom cover 3 are connected to form an inner accommodating space; the inner supporting surface cover 4, the inner supporting bottom cover 6, the first warming film 71, the second warming film 72, the first heat insulating layer 81, and the second heat insulating layer 82 are accommodated in the accommodating space; the first heat insulation layer 81 and the first warming film 71 are sequentially and respectively arranged between the inner supporting surface cover 4 and the metal surface cover 2; the second heat insulation layer 82 and the second temperature increasing film 72 are also sequentially and respectively arranged between the inner support bottom cover 6 and the metal bottom cover 3; the first warming film 71 is tightly attached to the inner wall of the metal surface cover 2; the second warming film 72 is tightly attached to the inner wall of the metal bottom cover 3; the first warming film 71 is electrically connected to the battery 10 through the first temperature control switch 91; the second temperature increasing film 72 is electrically connected to the battery 10 through the second temperature control switch 92; the inner supporting surface cover 4, the middle frame 5 and the inner supporting bottom cover 6 are sequentially connected to form a containing cavity, and the battery 10 is arranged in the containing cavity.
Specifically, from the appearance, the hand warmer of this scheme comprises metal casing and the finger latch closure 1 of establishing on metal casing, through the setting of finger latch closure 1, can conveniently carry, and convenience of customers uses the hand warmer of this scheme.
The metal shell is composed of a metal surface cover 2, a middle frame 5 and a metal bottom cover 3, the metal surface cover 2 and the metal bottom cover 3 can be made of aluminum alloy, the surface of the metal shell is made of special technology, for example, a frosted structure can be adopted, the heat conduction effect is improved, and the bottom aluminum alloy is made of negative ion treatment technology, so that the skin vitality can be improved. An inner accommodating space is formed by the combination of the metal surface cover 2, the middle frame 5 (the outer edge of the middle frame 5 can be connected when in specific installation, and the inside of the middle frame 5 can be hollow as shown in fig. 4) and the metal bottom cover 3, and the accommodating space can accommodate the inner supporting surface cover 4, the inner supporting bottom cover 6, the first warming film 71 and the second warming film 72, and the first heat-insulating layer 81 and the second heat-insulating layer 82; the metal surface cover 2, the metal bottom cover 3 and the middle frame 5 may be connected by clamping (for example, the adjacent two are respectively provided with the mutually matched buckle 62 and the hook 42), or by threaded connection (for example, the adjacent two are respectively provided with the mutually matched threads inside and outside), or by welding, the adjacent two may be welded together.
The first heat insulation layer 81 and the first warming film 71 (which may be a heating film based on electric heating) are sequentially and respectively arranged between the inner supporting surface cover 4 and the metal surface cover 2; the second heat insulation layer 82 and the second temperature increasing film 72 are sequentially and respectively arranged between the inner support bottom cover 6 and the metal bottom cover 3; the first warming film 71 is tightly attached to the inner wall of the metal surface cover 2; the second warming film 72 is tightly attached to the inner wall of the metal bottom cover 3, so that the first warming film 71 is tightly attached to the metal surface cover 2, and the second warming film 72 and the metal bottom cover 3 directly transfer the generated heat to the metal surface cover 2 and the metal bottom cover 3, thereby warming the user.
The first warming film 71 and the second warming film 72 can be both in an annular shape, so that the contact areas of the metal surface cover 2 and the metal bottom cover 3 connected with the first warming film and the second warming film can be increased, heat can be better and more uniformly conducted to the metal surface cover 2 and the metal bottom cover 3, and the uniformity of temperature diffusion is improved.
In order to restrict the heat transfer, a first heat insulation layer 81 and a second heat insulation layer 82 are further provided, and the heat generated by the first temperature increasing film 71 and the second temperature increasing film 72 can only be guided and transferred to the metal surface cover 2 and the metal bottom cover 3 through the arrangement of the first heat insulation layer 81 and the second heat insulation layer 82; further, by providing the first heat insulating layer 81 and the second heat insulating layer 82, devices on the other side with respect to the first temperature increasing film 71 and the second temperature increasing film 72, for example, devices such as the battery 10 can be protected.
Specifically, both the first heat insulation layer 81 and the second heat insulation film 82 may be provided with a reflective layer (for example, a tin paper layer) to reflect heat to the metal 2 surface cover and the metal bottom cover 3, so as to improve thermal efficiency as much as possible.
The first warming membrane 71 and the second warming membrane 72 are electrically connected to the battery 10 through the temperature control switch 9, the temperature control switch 9 is used for detecting the temperature of the metal surface cover 2 and the metal bottom cover 3, and can be disposed at a position tightly attached to the metal surface cover 2 and the metal bottom cover 3, so as to more accurately detect the temperature sensed by the user, and facilitate the subsequent more accurate temperature control, for example, a 45 ℃ working mode and a 55 ℃ working mode can be set, the working temperatures respectively corresponding to the working modes can be, for example, 40 ℃ to 46 ℃ and 46 ℃ to 55 ℃, two temperature adjustment ranges can be set through the two temperature control switches 9, the temperature of the whole hand warmer can be controlled, so as to meet different requirements, for example, in the 55 ℃ working mode, the user can warm the stomach, and can relieve the dysmenorrhea phenomenon during the menstrual period of the female, and under the working mode of 45 ℃, the facial mask can be used for warming the face of a human body and has the function of pore repair.
The specific battery 10 can be a high-capacity polymer lithium battery, so that the heating time is guaranteed to be maintained in a crossed time, and the use experience of a user is improved.
The specific temperature control switch 9 can be a temperature controller, and the temperature change condition of the metal surface can be detected through the temperature control switch 9, so that the temperature is controlled to be kept within a certain range.
In a specific embodiment, the first and second insulation layers 81 and 82 are both insulation cotton layers.
Specifically, through the arrangement of the heat insulation cotton layer, the temperature of the first warming film 71 and the temperature of the second warming film 72 are prevented from being conducted inwards, and meanwhile, the effects of heat preservation and insulation can be achieved.
In a specific embodiment, for better heat preservation and insulation, the area of the first heat insulation layer 81 is larger than that of the first warming film 71, and when the first heat insulation layer 81 and the first warming film 71 are both mounted, the first heat insulation layer 81 covers the first warming film 71 completely.
Correspondingly, the area of the second heat insulation layer 82 is larger than that of the second warming film 72, and when both the second heat insulation layer 82 and the second warming film 72 are mounted, the second heat insulation layer 82 covers the second warming film 72 completely.
The arrangement that the first heating film 71 and the second heating film 72 are respectively covered by the first heat insulation layer 81 and the second heat insulation layer 82 can better preserve heat, avoid heat dissipation, realize insulation through the first heat insulation layer 81 and the second heat insulation layer 72, and improve safety.
In a specific embodiment, in order to facilitate the user to carry and use the hand warmer of the scheme, the finger ring buckle 1 is a silica gel buckle. Through the setting of silica gel knot, silica gel detains very soft, is not hindering user's hand, feels fine, and stretch-proof relatively, can be better satisfy user's operation needs.
In a specific embodiment, in order to better fix the finger ring buckle 1, the finger ring buckle 1 comprises a fixing part 11 fixedly connected with the metal surface cover 2 and a retaining ring 12 connected with the fixing part 11;
as shown in fig. 4, the fixing portion 11 is a block, and the metal surface cover 2 is provided with a fixing connection hole 21; the area of the fixing connection hole 21 is smaller than the cross-sectional area of the fixing portion 11 (so as to prevent the finger ring buckle 1 from being pulled out), and the finger ring buckle 1 passes through the fixing connection hole 21 from the inner side of the metal surface cover 2 through the retaining ring 12 until the fixing portion 11 is tightly attached to the inner wall of the metal surface cover 2, so that the finger ring buckle 1 is connected with the metal surface cover 2.
In one embodiment, the fixing portion 11 and the retaining ring 12 are integrally formed to enhance the structural strength.
In a specific embodiment, as shown in fig. 4, a plurality of support posts 61 and a plurality of fasteners 62 are disposed on the inner bottom cover 6; the inner supporting surface cover 4 is provided with a plurality of supporting points 41 (not shown) and the hooks 42; the supporting point 41 is matched with the supporting column 61, and the buckle 62 is matched with the hook 42, so that the supporting column 61 passes through the middle frame 5 until clinging to the supporting point 41, and the fixed connection between the inner support bottom cover 6 and the middle frame 5 (which can be fixed at the inner edge of the middle frame 5 during specific fixing) and the inner support surface cover is realized by fixing the buckle 62 and the hook 42.
Specifically, support and detachable for better realization and be connected, can realize better support through support column 61 to protect inside structure, in order to facilitate the dismantlement, still be provided with buckle 62 and pothook 42, through these joint between them, very conveniently realize connecting.
In a specific embodiment, a control panel 11 is further arranged in the accommodating cavity; the control board 11 is connected with the temperature control switch 9 and the battery 10.
The hand warmer can be further controlled through the control panel 11. There may be, for example, charge control.
In a specific embodiment, the control board 11 is fixed on the middle frame 5, and the control board 11 is provided with a charging port 111.
Specifically, except charging the mouth 111, also can be provided with the transmission mouth, the transmission mouth can export the power, and under this condition, when the user used hand warmer, can also connect the transmission mouth with the cell-phone utilization power cord to this realizes the power supply to the cell-phone, convenience of customers.
The specific charging port 111 may be connected to a charging control protection circuit preset on the control board 11, similarly, the power transmission port may be connected to an output control protection circuit on the control board 11, and the specific charging control protection circuit and the output control protection circuit may adopt an existing scheme, for example, a scheme on a current power bank may be adopted. The charging port 111 may be a MICRO _ USB input port; the charging port 111 may also employ a MICRO _ USB outlet.
In a specific embodiment, in order to improve the security, the method further comprises the following steps: a silica gel plug 12; the silica gel plug 12 is matched with the charging port 111 and used for shielding and sealing the charging port 111.
The specific silicone plug 12 can shield and seal the charging port 111 when the charging port 111 is not needed; similarly, the silicone plug 12 may also block and seal other interfaces, such as a power transmission port, as needed.
Therefore, the embodiment of the utility model provides a hand warmer is provided, include: the device comprises a finger ring buckle 1, a metal surface cover 2, a metal bottom cover 3, an inner supporting surface cover 4, a middle frame 5, an inner supporting bottom cover 6, an annular first warming film 71, an annular second warming film 72, a first heat insulation layer 81, a second heat insulation layer 82, a first temperature control switch 91, a second temperature control switch 92 and a rechargeable battery 10; wherein, the finger ring buckle 1 is connected on the metal surface cover 2; the metal surface cover 2, the middle frame 5 and the metal bottom cover 3 are connected to form an inner accommodating space; the inner supporting surface cover 4, the inner supporting bottom cover 6, the first warming film 71, the second warming film 72, the first heat insulating layer 81, and the second heat insulating layer 82 are accommodated in the accommodating space; the first heat insulation layer 81 and the first warming film 71 are sequentially and respectively arranged between the inner supporting surface cover 4 and the metal surface cover 2; the second heat insulation layer 82 and the second temperature increasing film 72 are also sequentially and respectively arranged between the inner support bottom cover 6 and the metal bottom cover 3; the first warming film 71 is tightly attached to the inner wall of the metal surface cover 2; the second warming film 72 is tightly attached to the inner wall of the metal bottom cover 3; the first warming film 71 is electrically connected to the battery 10 through the first temperature control switch 91; the second temperature increasing film 72 is electrically connected to the battery 10 through the second temperature control switch 92; the inner supporting surface cover 4, the middle frame 5 and the inner supporting bottom cover 6 are sequentially connected to form a containing cavity, and the battery 10 is arranged in the containing cavity. This scheme is through the setting that indicates latch closure 1, and convenience of customers fixes warm hand treasured, is difficult to take place the condition that drops, has avoided warm hand treasured as far as possible because the circumstances that causes the damage drops, and warm hand treasured in this scheme, can two-sided heating, and control through first temperature detect switch or second temperature detect switch separately for there can be the temperature setting of two-sided difference, promoted the scope of using, satisfied the user to the needs of different heating temperatures.
Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the drawings are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The sequence numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the implementation scenario.
The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (10)
1. A hand warmer, comprising: the temperature control device comprises a finger ring buckle, a metal surface cover, a metal bottom cover, an inner supporting surface cover, a middle frame, an inner supporting bottom cover, an annular first temperature-raising film, an annular second temperature-raising film, a first heat-insulating layer, a second heat-insulating layer, a first temperature-control switch, a second temperature-control switch and a rechargeable battery; wherein the ring buckle is connected to the metal surface cover; the metal surface cover, the middle frame and the metal bottom cover are connected to form an inner accommodating space; the inner supporting surface cover, the inner supporting bottom cover, the first heating film, the second heating film, the first heat insulation layer and the second heat insulation layer are accommodated in the accommodating space; the first heat insulation layer and the second heating film are sequentially and respectively arranged between the inner supporting surface cover and the metal surface cover; the second heat insulation layer and the second heating film are sequentially and respectively arranged between the inner support bottom cover and the metal bottom cover; the first warming film is tightly attached to the inner wall of the metal surface cover; the second temperature-raising film is tightly attached to the inner wall of the metal bottom cover; the first temperature-raising film is electrically connected with the battery through the first temperature control switch; the second temperature-raising film is electrically connected with the battery through the second temperature control switch; the inner supporting surface cover is sequentially connected with the middle frame and the inner supporting bottom cover to form a containing cavity, and the battery is arranged in the containing cavity.
2. The hand warmer of claim 1, wherein the first and second insulating layers are both insulating cotton layers.
3. The hand warmer of claim 1 or 2, wherein the area of the first thermal insulation layer is larger than that of the first warming film, and when the first thermal insulation layer and the first warming film are both installed, the first thermal insulation layer covers the first warming film completely;
the area of the second heat insulation layer is larger than that of the second warming film, and when the second heat insulation layer and the second warming film are installed completely, the second heat insulation layer covers the second warming film completely.
4. The hand warmer of claim 1, wherein the finger ring buckle is a silicone buckle.
5. The hand warmer of claim 1 or 4, wherein the finger ring buckle comprises a fixing portion fixedly connected with the metal cover, and a buckle ring connected with the fixing portion;
the fixing part is in a block shape, and the metal surface cover is provided with a fixing connecting hole; the area of the fixing connecting hole is smaller than the cross-sectional area of the fixing part, and the finger ring buckle penetrates through the fixing connecting hole from the inner side of the metal surface cover through the retaining ring until the fixing part is tightly attached to the inner wall of the metal surface cover, so that the finger ring buckle is connected with the metal surface cover.
6. The hand warmer of claim 5, wherein said retainer is integrally formed with said buckle.
7. The hand warmer of claim 1, wherein the inner bottom cover is provided with a plurality of support posts and a plurality of fasteners; the inner supporting surface cover is provided with a plurality of supporting points and clamping hooks; the supporting point is matched with the supporting column, the buckle is matched with the clamping hook, so that the supporting column penetrates through the middle frame until clinging to the supporting point, and the inner support bottom cover is fixedly connected with the middle frame and the inner support surface cover in a mode that the buckle and the clamping hook are fixed.
8. The hand warmer of claim 1, wherein a control panel is further disposed in the accommodating chamber; the control panel is connected with the first temperature control switch, the second temperature control switch and the battery.
9. The hand warmer of claim 8, wherein the control panel is secured to the center frame, the control panel having a charging port disposed thereon.
10. The hand warmer of claim 9, further comprising: a silica gel plug; the silica gel plug is matched with the charging port and used for shielding and sealing the charging port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921140357.4U CN211723628U (en) | 2019-07-19 | 2019-07-19 | Hand warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921140357.4U CN211723628U (en) | 2019-07-19 | 2019-07-19 | Hand warmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211723628U true CN211723628U (en) | 2020-10-23 |
Family
ID=72849410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921140357.4U Active CN211723628U (en) | 2019-07-19 | 2019-07-19 | Hand warmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211723628U (en) |
-
2019
- 2019-07-19 CN CN201921140357.4U patent/CN211723628U/en active Active
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