CN219439661U

CN219439661U - Charging hand warmer

Info

Publication number: CN219439661U
Application number: CN202222485062.9U
Authority: CN
Inventors: 刘桂珍
Original assignee: Shenzhen Qianhui Technology Co ltd
Current assignee: Shenzhen Qianhui Technology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-08-01
Anticipated expiration: 2032-09-20

Abstract

The utility model relates to a charging hand warmer, which comprises a rear shell, a control board, a front shell matched with the rear shell, an electric heating body electrically connected with the control board, and a hand warming piece for absorbing heat of the electric heating body, wherein the rear shell is in a cambered surface shape, the hand warmer also comprises a main body battery and an expansion battery, the main body battery is arranged on a cambered concave surface of the rear shell, a gap is formed between the main body battery and the cambered concave surface when the main body battery is assembled in place, and the expansion battery is arranged in the gap.

Description

Charging hand warmer

Technical Field

The utility model relates to the technical field of hand warmer, in particular to a charging hand warmer.

Background

Along with the development of science and technology and the improvement of living standard of people, small electronic products (such as hand warmer, charger, beauty instrument, micro fan, fascia gun, etc.) are increasingly used in daily life. To improve portability and flexibility in use, electronic products are often battery powered.

Under the general circumstances, the battery module of electronic product sets up in its inside, and in order to guarantee the better sense of gripping of electronic equipment, its shape structure needs to design to accord with ergonomic, or for the aesthetic property and the easy operability of equipment whole, inside cavity structure is not completely regular, especially for the treasured of warming hands, the treasured of warming hands can be held to both hands to the user when using, so the treasured of warming hands's appearance is general more round, the cavity of casing inside is the arc, and the battery module of most treasured of warming hands on the market at present leaves great space between the battery in the cambered surface of casing after the installation is put in place, this clearance can't be utilized, moreover, because the existence of clearance for moreover, because this clearance exists also leads to the battery module volume to do not big, this also causes duration not long, use experience poor effect scheduling problem.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a charging hand warmer which can well solve the problems.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a battery hand warmer charges, including the backshell, the backshell is cambered surface shape, still includes main body battery and dilatation battery, main body battery installs on the arc concave surface of backshell, when assembling in place, form the clearance between main body battery and the arc concave surface, the dilatation battery is located in the clearance; the body battery faces a plurality of first end points on one end of the rear shell, and the expansion battery faces a plurality of second end points on one end of the rear shell, so that a curved surface matched with the arc-shaped concave surface is formed.

The second end points of the charging hand warmer are contacted with the rear shell.

The utility model discloses a charging hand warmer, wherein contact positions of a main body battery and a capacity expansion battery with a rear shell are arc-shaped surfaces.

The utility model discloses a charging hand warmer, wherein a orthographic projection area of a capacity expansion battery on a main battery is positioned in the outer edge of the side surface of the main battery facing the capacity expansion battery.

The utility model discloses a charging hand warmer, wherein a first heat insulation layer is arranged between a main body battery and an expansion battery, and a second heat insulation layer is arranged between the main body battery and the expansion battery as well as between the main body battery and a rear shell.

The utility model discloses a charging hand warmer, which further comprises a control board, a front shell matched with the rear shell, an electric heating body electrically connected with the control board, and a hand warming sheet for absorbing heat of the electric heating body; the hand warming piece is arranged on the outer side wall of the rear shell.

The utility model discloses a charging hand warmer, wherein a hand warming sheet is attached to a rear shell, and an electric heating body is arranged between the rear shell and the hand warming sheet and is attached to the rear shell.

The utility model discloses a charging hand warmer, wherein a decorating part is arranged on the outer side wall of a front shell, the decorating part is a sealed transparent cavity, and decorating liquid is arranged in the transparent cavity.

The utility model discloses a charging hand warmer, wherein a control board is arranged on the inner wall of a front shell, and a window for exposing a switch key is arranged on the front shell corresponding to the control board.

The utility model discloses a charging hand warmer, wherein a front shell and a rear shell are detachably buckled to form a closed cavity, and the horizontal section and the front and rear longitudinal sections of the closed cavity are elliptical.

The utility model has the beneficial effects that: the utility model has simple integral structure, can further increase the capacity of the battery under the condition of ensuring that the integral volume of the hand warmer is not changed, improves the endurance time of the product, fully utilizes the spare space inside the product and has compact structure.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

fig. 1 is a front side view of the overall structure of the hand warmer for electric charging according to the present utility model.

Fig. 2 is a bottom view of the overall structure of the hand warmer for charging electric heat of the present utility model.

FIG. 3 is a rear view of the hand warmer of the present utility model

Fig. 4 is a cross-sectional view A-A of fig. 3.

FIG. 5 is a cross-sectional view of C-C of FIG. 3

Fig. 6 is a schematic view of a curved surface formed by a plurality of first ends and second ends of the hand warmer for charging electric energy according to the present utility model.

Detailed Description

The terms "first," "second," "third," and "fourth" and the like in the description and in the claims and drawings are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

"plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

Moreover, the terms "upper, lower, left, right, upper end, lower end, longitudinal" and the like that represent the orientation are all referred to with reference to the attitude position of the apparatus or device described in this scheme when in normal use.

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

The present utility model relates to a rechargeable hand warmer, as shown in fig. 1-6, the hand warmer comprises a back shell 1, wherein the back shell 1 is in a cambered surface shape so as to adapt to the concave shape of the palm of a user, and promote the fitting degree, further, the hand warmer further comprises a main battery 2 and an expansion battery 3, generally, the main battery 2 and the expansion battery 3 are both square battery plates, the outer diameter of the main battery 2 is larger than the outer diameter of the expansion battery 3, namely, the length and width of the main battery 2 are larger than the length and width of the expansion battery 3, further, the main battery 2 is mounted on an arc-shaped concave surface 4 of the back shell 1, namely, a plurality of first end points 5 of the main battery 2 facing one end of the back shell 1 and a plurality of second end points 6 of the expansion battery 3 facing one end of the back shell 1 together form a curved surface M, the curved surface M is matched with the arc-shaped concave surface 4, so that the assembly is fitted, the compactness of the structure layout is ensured, when the assembly is in place, the main battery 2 is concentric and forms a gap 7 with the concave surface 4, namely, the inner wall 7 of the main battery 2 is not filled with the space 7 of the expansion battery 3, and the volume of the hand warmer is not increased, and the volume of the hand warmer is further increased by the space 7, and the space is not filled with the space 7.

Preferably, the plurality of second end points 6 are in contact with the rear shell 1, of course, the plurality of first end points 5 may or may not be in contact with the rear shell, specifically, the first end points 5 and the second end points 6 may be four end points close to the rear shell 1 respectively, that is, the main battery 2 and the expansion battery 3 are in point contact with the rear shell 1, of course, a plurality of points on edges including four end points of four corners, that is, the main battery 2 and the expansion battery 3 are in line contact or surface contact, the more contact points may enable local stress of the main battery 2 and the expansion battery 3 to be smaller, specifically, the contact positions of the main battery 2 and the expansion battery 3 and the rear shell 1 are arc surfaces, so as to realize surface contact with the rear shell 1, and local stress of the dispersed battery is avoided to enable the battery shell to deform due to stress concentration.

Preferably, the orthographic projection area of the expansion battery 3 on the main battery 2 is completely located in the outer edge of the side surface of the main battery 2 facing the expansion battery 3, that is, the size of the expansion battery 3 is smaller than that of the main battery 2 and the expansion battery 3 and the main battery 2 are concentrically arranged, so as to ensure that the fitting degree after assembly is higher, and the expansion battery 3 is just located at the midpoint of the arc-shaped concave surface 4, so that the structure is compact.

Preferably, a first thermal insulation layer 8 is arranged between the main battery 2 and the capacity expansion battery 3, and a second thermal insulation layer 9 is arranged between the main battery 2 and the capacity expansion battery 3 and the rear shell 1, so as to avoid local aggregation of heat generated by the operation of the two batteries.

Preferably, the hand warmer further comprises a control board 10, a front shell 11 which is matched with and detachably connected with the rear shell 1, an electric heating body 12 which is electrically connected with the control board 10 through a wire, and a hand warming sheet 13 which absorbs heat of the electric heating body 12; the hand warming sheet 13 is arranged on the outer side wall of the rear shell 1, specifically, the electric heating body 12 is a heating sheet and is convenient to be attached to the hand warming sheet 13, wherein the hand warming sheet 13 is an aluminum alloy sheet and is attached to the outer side wall of the rear shell 1, an opening 20 through which an electric wire for the heating sheet passes is formed in the rear shell, the electric heating body 12 is arranged between the rear shell 1 and the hand warming sheet 13 and is attached to the rear shell 1, after a switch is turned on, the heating sheet heats and then the hand warming sheet 13 heats, and a user can hold the hand warming conveniently.

Preferably, the outer side wall of the front shell 11 is provided with a decoration 14, the decoration 14 is a sealed transparent cavity, and decorative liquid is arranged in the transparent cavity so as to promote the interestingness of the product.

Preferably, the control board 10 is disposed on the inner wall of the front housing 11, and a window 15 for exposing the switch key 19 is disposed on the front housing 11 corresponding to the control board 10, so as to facilitate the user to switch.

Preferably, the front shell 11 and the rear shell 1 are detachably buckled to form a closed cavity 16, and the horizontal section and the front and rear longitudinal sections of the closed cavity 16 are elliptical, so that the overall structure forms an approximate ellipsoidal shape, and a user can hold the hand more comfortably and more in accordance with the ergonomic design.

Preferably, the bottom of the closed cavity is provided with a USB interface 17 and a type-c interface 18 to facilitate charging or external power supply.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims

1. The utility model provides a battery hand warmer charges, its characterized in that includes the backshell, the backshell is cambered surface shape, still includes main body battery and dilatation battery, main body battery installs on the arc concave surface of backshell, when assembling in place, form the clearance between main body battery and the arc concave surface, the dilatation battery is located in the clearance; the body battery faces a plurality of first end points on one end of the rear shell, and the expansion battery faces a plurality of second end points on one end of the rear shell, so that a curved surface matched with the arc-shaped concave surface is formed.

2. The charging hand warmer of claim 1, wherein said second endpoints are each in contact with said back housing.

3. The battery hand warmer of claim 1 or 2, wherein the contact locations of said main body battery and said capacity-expanding battery with said rear case are arc-shaped surfaces.

4. The battery hand warmer of claim 1 or 2, wherein the orthographic projection area of said expansion cell on said main body cell is located within the outer edge of the side surface of said main body cell facing said expansion cell.

5. The rechargeable hand warmer of claim 1, wherein a first thermal insulation layer is disposed between the main battery and the capacity-expansion battery, and a second thermal insulation layer is disposed between the main battery and the capacity-expansion battery and the rear case.

6. The rechargeable hand warmer of claim 1, further comprising a control board, a front case adapted to the rear case, an electric heating body electrically connected to the control board, and a hand warming sheet absorbing heat of the electric heating body; the hand warming piece is arranged on the outer side wall of the rear shell.

7. The hand warmer for charging according to claim 6, wherein said hand warmer is attached to said rear case, and said electric heating element is provided between said rear case and said hand warmer and attached to said rear case.

8. The rechargeable hand warmer of claim 6, wherein the outer side wall of the front housing is provided with a decoration, the decoration is a sealed transparent cavity, and decorative liquid is provided in the transparent cavity.

9. The hand warmer for charging according to claim 6, wherein the control board is provided on an inner wall of the front case, and a window for exposing the switch key is provided on the front case corresponding to the control board.

10. The rechargeable hand warmer of claim 6, wherein the front housing and the rear housing are detachably fastened to form a closed cavity, and both the horizontal section and the front-rear longitudinal section of the closed cavity are elliptical.