CN210903621U - Novel rechargeable hand warmer - Google Patents
Novel rechargeable hand warmer Download PDFInfo
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- CN210903621U CN210903621U CN201921663321.4U CN201921663321U CN210903621U CN 210903621 U CN210903621 U CN 210903621U CN 201921663321 U CN201921663321 U CN 201921663321U CN 210903621 U CN210903621 U CN 210903621U
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- battery
- hand warmer
- heating film
- fastener
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Abstract
The utility model discloses a novel rechargeable hand warmer, including casing, last casing, control switch, PCBA, rechargeable battery, battery cover, fastener and heating film down, lower casing, battery cover be oval spherical shell structure, go up the casing and include oval lateral wall and set up the backup pad on oval lateral wall, go up casing lower extreme and casing opening lock down, go up casing upper end and battery cover opening lock, the heating film passes through the gum and pastes on the lower terminal surface of cavity wall in the battery cover and backup pad. A novel rechargeable hand warmer, its is rational in infrastructure, have advantages such as simple structure, convenient to use, battery change convenience, energy-concerving and environment-protective, effectively solve the problem that traditional hand warmer can not change the battery.
Description
Technical Field
The utility model belongs to the technical field of the hand warmer and specifically relates to a novel rechargeable hand warmer.
Background
At present, can lose gradually along with hand warmer's use battery capacity, lead to more and more useless, traditional hand warmer is sealed design usually, and the battery can not perhaps change very hardly, so when battery capacity loss is great, people abandon whole hand warmer usually, buys new continuation and uses again, causes very big waste, simultaneously also environmental protection, so it is precious to be necessary to design a novel rechargeable hand warmer.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: in order to overcome the problems existing in the prior art, the novel rechargeable hand warmer is provided, has the advantages of reasonable structure, simple structure, convenience in use, battery replacement, energy conservation, environmental protection and the like, and effectively solves the problem that the battery cannot be replaced in the conventional hand warmer.
The utility model provides a technical scheme that its technical problem adopted is: a novel rechargeable hand warmer comprises a lower shell, an upper shell, a control switch, a PCBA, a rechargeable battery, a battery cover, a fastener and a heating film, wherein the lower shell and the battery cover are of an oval spherical shell structure;
the battery compartment is pressed on the supporting plate from top to bottom, and rib plates are uniformly and fixedly arranged on the lower end surface of the supporting plate and are abutted against the inner cavity wall of the lower shell; four connecting columns are uniformly and vertically fixed in the inner cavity of the lower shell, and the supporting plate is fixedly connected with the connecting columns through bolts;
the control switch and the PCBA are arranged in a cavity of the upper shell below the supporting plate, and a pressing end of the control switch and a charging interface preset on the PCBA are aligned and fixed in a reserved hole in the oval side wall; the rechargeable battery is arranged in the battery bin and is electrically connected with the PCBA through electrodes arranged at two ends of the battery bin;
the two transverse ends of the upper shell are respectively provided with a hinge port and a fastener mounting port; the battery cover is provided with a connecting lug and a first clamping hook at two transverse ends respectively, wherein the connecting lug is inserted into the hinge port and is rotatably connected with the upper shell through a hinge shaft at two longitudinal ends of the connecting lug;
the fastener is arranged in the fastener mounting port and comprises a fastener main body, an elastic plate, two first limiting plates and two second limiting plates; the elastic plate is of a U-shaped structure which is transversely arranged, one end of the elastic plate is abutted against the supporting plate, and the other end of the elastic plate is provided with a second clamping hook which is in adaptive clamping connection with the first clamping hook; the two second limiting plates are symmetrically fixed on the two longitudinal sides of the second clamping hook, the two first limiting plates are respectively fixed on the longitudinal side surfaces of the two second limiting plates, and the fastener main body is fixedly connected with the two second limiting plates;
the lower end of the fastener main body is abutted with the two rib plates arranged in the inner cavity of the lower shell, the upper end of the fastener main body is abutted with the inner cavity wall of the upper shell, and the upper end surfaces of the two first limiting plates are abutted with the lower end surfaces of the supporting plates for limiting in the vertical direction; the longitudinal side surface of the second limiting plate is respectively abutted with the rib plates which are transversely arranged to carry out longitudinal limiting; one end of the fastener body, which is far away from the elastic plate in the transverse direction, is arranged in the preformed hole on the oval side wall in a sliding manner;
the heating film comprises a first heating film and a second heating film, the first heating film and the second heating film are connected in series, the first heating film is pasted on the wall of the inner cavity of the battery cover through back glue, the second heating film is pasted on the lower end face of the supporting plate through the back glue, and a welding point is arranged on the second heating film and is directly welded with the PCBA.
Furthermore, a plurality of rib plates are uniformly and fixedly arranged on the lower end face of the upper shell and are abutted against the inner cavity wall of the lower shell, wherein each rib plate comprises a plurality of first rib plates transversely arranged and a second rib plate longitudinally crossed with the first rib plates.
Furthermore, two rechargeable batteries can be accommodated in the battery bin, and two positioning partition plates for positioning the rechargeable batteries are arranged in the middle of the battery bin.
Furthermore, the longitudinal end of the battery compartment is provided with a groove for conveniently taking down the battery.
Furthermore, the oval side wall is provided with a circular arc decorative plate for distinguishing the direction of the charging port.
Furthermore, a hook used for connecting a hanging rope is further arranged on the oval side wall.
Furthermore, the oval side wall is provided with an indicator light connected with the PCBA.
Furthermore, a square convex ring is arranged on the wall of the inner cavity of the battery cover, and the first heating film is adhered to the inside of the square convex ring.
The utility model has the advantages that: a novel rechargeable hand warmer adopts the design of replaceable batteries, can be directly charged for use, and can also be used by directly replacing the batteries, a battery bin is covered and protected by a battery cover, a locking fastener of the battery cover does not need a spring mechanism, the structure is simple, the structural stability is enhanced by the design of injection molding integrated buckling keys, the cost is reduced, and the production efficiency of the hand warmer is improved; the novel hand warmer is reasonable in structure, has the advantages of being simple in structure, convenient to use, convenient to replace batteries, energy-saving, environment-friendly and the like, and effectively solves the problem that the batteries cannot be replaced in the traditional hand warmer.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic front external structure view of a novel rechargeable hand warmer of the present invention;
fig. 2 is a schematic view of the back external structure of the novel rechargeable hand warmer of the present invention;
fig. 3 is an exploded view of the novel rechargeable hand warmer of the present invention;
fig. 4 is a schematic cross-sectional view of a novel rechargeable hand warmer of the present invention;
fig. 5 is a schematic structural view of the inner cavity of the lower casing of the novel rechargeable hand warmer of the present invention;
fig. 6 is a schematic structural view of the upper end of the upper housing of the novel rechargeable hand warmer of the present invention;
fig. 7 is a schematic structural view of the lower end of the upper shell of the novel rechargeable hand warmer of the present invention;
fig. 8 is a schematic structural view of a battery cover inner cavity of the novel rechargeable hand warmer of the present invention;
fig. 9 is a schematic structural view of a fastener of the novel rechargeable hand warmer of the present invention;
fig. 10 is a schematic view of a heating film structure of a novel rechargeable hand warmer.
The scores in the figures are as follows:
1. the lower shell, 11, a connecting column, 12, a rib plate, 13, a positioning block, 2, an upper shell, 20, a connecting hole, 201, an oval side wall, 202, a supporting plate, 21, a fastener mounting opening, 22, a battery bin, 23, a hinge opening, 24, a positioning partition plate, 25, a hook, 26, an indicator light, 27, a rib plate, 28, a decorative plate, 29, a groove, 3, a control switch, 4, PCBA, 5, a rechargeable battery, 6, a battery cover, 61, a square convex ring, 62, a connecting bump, 63, a hinge shaft, 64, a first hook, 7, a fastener, 71, a fastener main body, 72, an elastic plate, 73, a first limiting plate, 74, a second limiting plate, 75, a second hook, 8, a heating film, 81, a first heating film, 82, a second heating film, 83 and a welding point.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 to 10, the novel rechargeable hand warmer comprises a lower casing 1, an upper casing 2, a control switch 3, a PCBA 4, a rechargeable battery 5, a battery cover 6, a fastener 7 and a heating film 8, wherein the lower casing 1 and the battery cover 6 are both in an elliptical spherical shell structure, the upper casing 2 comprises an elliptical side wall 201 and a support plate 202 arranged on the elliptical side wall 201, the lower end of the upper casing 2 is buckled with the opening of the lower casing 1, and the upper end of the upper casing 2 is buckled with the opening of the battery cover 6.
As shown in fig. 5, the inner cavity of the lower casing 1 is provided with a positioning block 13, and the positioning block 13 is abutted against the inner wall of the elliptical side wall 201 of the upper casing 2 during assembly, so as to assist in positioning and increase the assembly efficiency.
The battery compartment 22 is pressed on the supporting plate 202 from top to bottom, and ribbed plates 27 are uniformly and fixedly arranged on the lower end surface of the supporting plate 202 and are abutted against the inner cavity wall of the lower shell 1; four connecting columns 11 are uniformly and vertically fixed in the inner cavity of the lower shell 1, connecting holes 20 are formed in the supporting plate 202 in alignment with the connecting columns 11, and bolts penetrate through the connecting holes 20 to be fixedly connected with the connecting columns 11.
The control switch 3 and the PCBA 4 are arranged in a cavity of the upper shell 2 below the supporting plate 202, and a pressing end of the control switch 3 and a charging interface preset on the PCBA 4 are aligned and fixed in a reserved hole in the oval side wall 201; the rechargeable battery 5 is arranged in the battery compartment 22 and is electrically connected with the PCBA 4 through electrodes arranged at two ends of the battery compartment.
A hinge port 23 and a fastener mounting port 21 are respectively arranged at the two transverse ends of the upper shell 2; the battery cover 6 is provided with a connecting projection 62 and a first hook 64 at two transverse ends thereof, wherein the connecting projection 62 is inserted into the hinge port 23 and rotatably connected with the upper housing 2 through a hinge shaft 63 at two longitudinal ends of the connecting projection 62.
The fastener 7 is installed in the fastener installation opening 21, and the fastener 7 comprises a fastener body 71, an elastic plate 72, two first limit plates 73 and two second limit plates 74; the elastic plate 72 is a transversely arranged U-shaped structure, one end of the elastic plate 72 is abutted against the support plate 202, and the other end of the elastic plate 72 is provided with a second clamping hook 75 which is in adaptive clamping connection with the first clamping hook 64; the two second limiting plates 74 are symmetrically fixed on two longitudinal sides of the second hook 75, the two first limiting plates 73 are respectively fixed on the longitudinal sides of the two second limiting plates 74, and the fastener body 71 is fixedly connected with the two second limiting plates 74.
The lower end of the fastener main body 71 is abutted with the two rib plates 12 arranged in the inner cavity of the lower shell, the upper end of the fastener main body 71 is abutted with the inner cavity wall of the upper shell 2, and the upper end surfaces of the two first limiting plates 73 are abutted with the lower end surface of the supporting plate 202 to limit in the vertical direction; the longitudinal side surfaces of the second limit plate 74 are respectively abutted with the rib plates 27 which are transversely arranged for longitudinal limit; the end of the fastener body 71 which is far away from the elastic plate 72 in the transverse direction is slidingly arranged in a reserved hole on the oval side wall 201.
When the battery cover is used, the fastener 7 is not limited in the transverse direction, and the elastic plate 72 has elasticity, so that when the battery cover is rotated and pressed down, the first hook 64 and the second hook 75 are hooked with each other, when unlocking is needed, the fastener body 71 is pressed inwards, and the second hook 75 moves inwards to be separated from the first hook 64 to finish unlocking.
The heating film 8 comprises a first heating film 81 and a second heating film 82, the first heating film 81 and the second heating film 82 are connected in series, the first heating film 81 is adhered to the wall of the inner cavity of the battery cover 6 through a back adhesive, the second heating film 82 is adhered to the lower end face of the supporting plate 202 through the back adhesive, and a welding point 83 is arranged on the second heating film 82 and directly welded with the PCBA 4. The PCBA is used for controlling the charging and discharging control of the rechargeable battery 5, and the control switch 3 is connected with the PCBA and is matched with the PCBA to control the opening and closing of the heating film 8.
In one embodiment, a plurality of rib plates 27 are uniformly and fixedly arranged on the lower end surface of the upper shell 2 to abut against the inner cavity wall of the lower shell 1, wherein the rib plates 27 comprise a plurality of first rib plates arranged transversely and a second rib plate arranged longitudinally and crosswise with the first rib plates.
In one embodiment, the battery compartment 22 can accommodate two rechargeable batteries 5, two positioning partitions 24 are disposed in the middle of the battery compartment 22 for positioning the rechargeable batteries 5, each positioning partition 24 has a triangular structure with two curved sides, and two curved sides of each positioning partition abut against the surfaces of the rechargeable batteries 5.
In one embodiment, the battery compartment 22 is provided with a recess 29 at a longitudinal end thereof for facilitating removal of the battery.
In an embodiment, the oval side wall 201 is further provided with a circular arc-shaped decorative plate 28 for distinguishing the direction of the charging port, the position of the charging port is determined through the touch device plate 28, and then the position of the charging port is determined when the light is dark, namely the position of a prepared hole aligned with the charging port is prefabricated on the PCBA, so that charging is facilitated.
In one embodiment, the oval sidewall 201 is further provided with a hook 25 for connecting a hanging rope.
In one embodiment, the oval sidewall 201 is further provided with an indicator light 26 connected with the PCBA 4 for indicating the working state and the remaining power of the hand warmer.
In one embodiment, a square protruding ring 61 is arranged on the inner cavity wall of the battery cover 6, and the first heating film 81 is adhered in the square protruding ring 61.
In one embodiment, the lower case 1, the upper case 2 and the battery cover 6 are made of plastic material with a varying thermal conductivity.
The utility model discloses a novel rechargeable hand warmer, its is rational in infrastructure, adopt the design of removable battery, can directly charge the use, also can use through directly changing the battery, the battery compartment covers the protection through the battery cover, the locking fastener of battery cover need not spring mechanism, simple structure, through the design of the integral type lock button of moulding plastics, strengthen structural stability, reduce the cost, the production efficiency of hand warmer is improved, traditional hand warmer adopts the metal casing design, we attach at the plastic shell itself directly through increasing the heating film size, and through changing the coefficient of heat conductivity of shell plastic material, if add the metal powder that heat conductivity is strong in the plastic material, or the mode of inlaying the metal sheet changes the coefficient of heat conductivity, let the temperature can distribute evenly, reduced the assembly process, improve production efficiency; the novel hand warmer is reasonable in structure, has the advantages of being simple in structure, convenient to use, convenient to replace batteries, energy-saving, environment-friendly and the like, and effectively solves the problem that the batteries cannot be replaced in the traditional hand warmer.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides a novel rechargeable hand warmer, characterized by: the portable multifunctional electric heating device comprises a lower shell (1), an upper shell (2), a control switch (3), a PCBA (4), a rechargeable battery (5), a battery cover (6), a fastener (7) and a heating film (8), wherein the lower shell (1) and the battery cover (6) are both of an oval spherical shell structure, the upper shell (2) comprises an oval side wall (201) and a supporting plate (202) arranged on the oval side wall (201), the lower end of the upper shell (2) is buckled with an opening of the lower shell (1), and the upper end of the upper shell (2) is buckled with an opening of the battery cover (6);
the battery compartment (22) is pressed on the supporting plate (202) from top to bottom, and ribbed plates (27) are uniformly and fixedly arranged on the lower end face of the supporting plate (202) and are abutted against the inner cavity wall of the lower shell (1); four connecting columns (11) are uniformly and vertically fixed in the inner cavity of the lower shell (1), and the supporting plate (202) is fixedly connected with the connecting columns (11) through bolts;
the control switch (3) and the PCBA (4) are arranged in a cavity of the upper shell (2) below the supporting plate (202), and a pressing end of the control switch (3) and a charging interface preset on the PCBA (4) are aligned and fixed in a reserved hole in the oval side wall (201); the rechargeable battery (5) is arranged in the battery compartment (22) and is electrically connected with the PCBA (4) through electrodes arranged at two ends of the battery compartment;
a hinge port (23) and a fastener mounting port (21) are respectively arranged at the two transverse ends of the upper shell (2); the battery cover (6) is provided with a connecting lug (62) and a first clamping hook (64) at two transverse ends respectively, wherein the connecting lug (62) is inserted into the hinge port (23) and is rotatably connected with the upper shell (2) through hinge shafts (63) at two longitudinal ends of the connecting lug (62);
the fastener (7) is arranged in the fastener mounting opening (21), and the fastener (7) comprises a fastener main body (71), an elastic plate (72), two first limiting plates (73) and two second limiting plates (74); the elastic plate (72) is of a transversely arranged U-shaped structure, one end of the elastic plate (72) is abutted against the support plate (202), and the other end of the elastic plate (72) is provided with a second clamping hook (75) which is in adaptive clamping connection with the first clamping hook (64); the two second limiting plates (74) are symmetrically fixed on two longitudinal sides of the second clamping hook (75), the two first limiting plates (73) are respectively fixed on the longitudinal side faces of the two second limiting plates (74), and the fastener main body (71) is fixedly connected with the two second limiting plates (74);
heating film (8) include first heating film (81), second heating film (82), first heating film (81), second heating film (82) establish ties each other, paste on the inner chamber wall of battery cover (6) through the gum first heating film (81), paste on the lower terminal surface of backup pad (202) through the gum second heating film (82), and be equipped with welding point (83) on second heating film (82) and directly weld with PCBA (4).
2. The novel rechargeable hand warmer of claim 1, wherein: the lower end of the fastener main body (71) is abutted against the two rib plates (12) arranged in the inner cavity of the lower shell, the upper end of the fastener main body (71) is abutted against the inner cavity wall of the upper shell (2), and the upper end surfaces of the two first limiting plates (73) are abutted against the lower end surface of the supporting plate (202) for limiting in the vertical direction; the longitudinal side surfaces of the second limit plates (74) are respectively abutted with the rib plates (27) which are transversely arranged to limit longitudinally; one end of the fastener body (71) far away from the elastic plate (72) in the transverse direction is arranged in a reserved hole in the oval side wall (201) in a sliding mode.
3. The novel rechargeable hand warmer of claim 1, wherein: a plurality of rib plates (27) are uniformly and fixedly arranged on the lower end face of the upper shell (2) and are abutted to the inner cavity wall of the lower shell (1), wherein each rib plate (27) comprises a plurality of first rib plates transversely arranged and a second rib plate longitudinally crossed with the first rib plates.
4. The novel rechargeable hand warmer of claim 1, wherein: two rechargeable batteries (5) can be accommodated in the battery bin (22), and two positioning partition plates (24) for positioning the rechargeable batteries (5) are arranged in the middle of the battery bin (22).
5. The novel rechargeable hand warmer of claim 1, wherein: the longitudinal end of the battery compartment (22) is provided with a groove (29) for conveniently taking down the battery.
6. The novel rechargeable hand warmer of claim 1, wherein: the oval side wall (201) is also provided with a circular arc decorative plate (28) used for distinguishing the direction of the charging port.
7. The novel rechargeable hand warmer of claim 1, wherein: the oval side wall (201) is also provided with a hook (25) for connecting a hanging rope.
8. The novel rechargeable hand warmer of claim 1, wherein: the oval side wall (201) is also provided with an indicator light (26) connected with the PCBA (4).
9. The novel rechargeable hand warmer of claim 1, wherein: the inner cavity wall of the battery cover (6) is provided with a square convex ring (61), and the first heating film (81) is adhered in the square convex ring (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663321.4U CN210903621U (en) | 2019-09-30 | 2019-09-30 | Novel rechargeable hand warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663321.4U CN210903621U (en) | 2019-09-30 | 2019-09-30 | Novel rechargeable hand warmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210903621U true CN210903621U (en) | 2020-07-03 |
Family
ID=71354606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921663321.4U Active CN210903621U (en) | 2019-09-30 | 2019-09-30 | Novel rechargeable hand warmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210903621U (en) |
-
2019
- 2019-09-30 CN CN201921663321.4U patent/CN210903621U/en active Active
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