WO2015027493A1

WO2015027493A1 - Electric warmer

Info

Publication number: WO2015027493A1
Application number: PCT/CN2013/082738
Authority: WO
Inventors: 谢虹
Original assignee: Xie Hong
Priority date: 2013-08-29
Filing date: 2013-08-30
Publication date: 2015-03-05
Also published as: CN103411257A; CN103411257B

Abstract

An electric warmer comprises a shell body, a circuit board fixed inside the shell body and a recharging port that is connected to the circuit board through a wire. A first dodge hole matched with the recharging port is arranged on the shell body. A port stop part matched with the recharging port is arranged inside the shell body. The port stop part is arranged on a rear side of the first dodge hole. Because a port stop part matched with the recharging port is arranged on an edge of an inside of the shell body, the recharging port is fixed inside the port stop part and does not move. In addition, the first dodge hole matched with the recharging port is arranged on the shell body corresponding to the port stop part, facilitating recharging.

Description

Electric heating treasure

[Technical Field]

The invention relates to the field of hand warmers and, more particularly, to an electric heating treasure. 【Background technique】

With the improvement of people's living standards, electric heating treasure has become a must-have for the family, not only for heating, but also for physical therapy or hot compress.

I have designed an electric heating treasure, including a casing, a heating sheet, a rechargeable battery fixed to the inside of the casing for supplying power to the electric heating sheet, a switch for controlling the working state of the electric heating treasure, a circuit board, and a a charging interface of the circuit board connected by a wire and a heat conducting sheet disposed outside the casing, wherein the casing is provided with a first avoiding hole adapted to the shape of the charging interface; the circuit board is provided with a control switch and The working indicator light is connected between the electric heating sheet and the circuit board by a wire, and the battery and the circuit board are connected by a wire; the control switch is a push-pull switch, and there are two states, and the electric heating is controlled. In the working state of the treasure, the control switch is sleeved with a push-pull switch, and the housing is provided with a second avoidance hole adapted to the shape of the push-pull switch; the electric heating piece is fixed at the The inner wall of the casing is generally formed in a mango shape, and includes a shell and a rear shell. The shell and the rear shell are fixed by screws, and the electric heating piece is fixed on the heat conducting sheet. The thermally conductive sheet fixed to the shell surface; an internal battery and a circuit board fixed to the surface of said housing. This program is not public. Since the charging interface is directly fixed in the first escape hole inside the housing, the charging interface is not firmly fixed, and slides to the inside of the housing when the force is applied, and the charging interface is inconvenient to charge when it slides inside the housing. .

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide an electric heating treasure that is firmly fixed by the charging interface.

The object of the present invention is achieved by the following technical solutions: an electric heating treasure, comprising a housing, and a circuit board fixed inside the housing and a charging interface connected with the circuit board by a wire, a first avoidance hole corresponding to the charging interface is disposed on the housing, and the housing is provided with An interface limiting portion that cooperates with the charging interface, and the interface limiting portion is located at a rear side of the first escape hole.

Preferably, the housing comprises a hollow shell and a rear shell which are the same length and width; the shell shell and the rear shell are both small at one end and the larger end of the shell is a face. a tail portion of the shell, the smaller end of the shell is the head of the shell, the larger end of the back shell is the tail of the rear shell, and the smaller end of the rear shell is the head of the rear shell The interface limiting portion is disposed at an end of the tail of the face shell. This is the specific fixed position of the charging interface within the housing.

Preferably, the surface shell is provided with a second limiting plate connecting the two sides of the surface shell and close to the tail of the surface shell, and the distance between the second limiting plate and the tail of the surface shell is greater than that of the charging interface. The length of the interface includes two first bumps that are parallel to each other and connect the second limiting plate and the tail of the casing, and are disposed outside the second limiting plate and the length and the charging interface are The sum of the lengths is equal to the distance from the second limiting plate to the tail of the casing, and the second projection is located at an intermediate position of the two first projections. This is the specific structure in which the interface limit portion is placed on the face shell.

Preferably, the charging interface is in the form of a block, one end of the charging interface is provided with a charging socket, and the other end of the charging interface is provided with a protruding wire soldering portion, the first avoiding hole and the charging socket The end of the charging socket is a front end of the charging interface, and one end of the wire soldering portion is a tail end of the charging interface; the interface limiting portion is also in a block shape, the first bump The width between the two is the same as the width of the charging interface, and the interface limiting portion is provided with a soldering portion avoiding hole adapted to the wire soldering portion. This is the specific structure of the charging interface.

Preferably, the wire soldering portion is disposed on one side of the charging interface, and the soldering portion avoiding hole is located on the first bump. The wire soldering portion is placed on one side of the charging interface to facilitate fixing the charging interface.

Preferably, the interface limiting portion is provided with an interface placing station having a height smaller than the interface limiting portion. This ensures that the charging interface is placed flat in the interface limit.

Preferably, the distance between the interface limiting portion and the interface placing table is smaller than the thickness of the charging interface, and the third escaping half hole is disposed at a position corresponding to the charging socket of the surface shell. Shell A fourth avoidance half hole is disposed at a corresponding position of the charging socket. The third avoidance half space and the fourth avoidance half space are the first escape holes that are compatible with the charging socket.

Preferably, the edge of the head of the charging interface is provided with a protruding interface limiting platform; and the corresponding position of the surface of the housing is provided with an interface avoiding slot that cooperates with the interface limiting platform. This will better fix the charging interface.

Preferably, the charging interface corresponding to the rear shell is provided with a protruding interface pressing bone, and the height of the interface pressing bone is equal to the distance of the rear housing to the charging interface. This can further define the position of the charging interface, and the interface pressing bone is also equivalent to the reinforcing rib, which can enhance the strength of the rear case.

Preferably, the circuit board is fixed to the head of the face shell, and the length of the wire connecting the circuit board and the charging interface is greater than the distance between the circuit board and the charging interface. This is where the board is held in the face shell.

In the invention, since the interface limiting portion matched with the charging interface is disposed at the inner edge of the casing, the charging interface is fixed in the interface limiting portion and does not move, and the charging is set on the corresponding housing of the interface fixing portion. The interface is adapted to the first escape hole, which is convenient for charging.

[Description of the Drawings]

1 is a schematic overall view of an electric heating treasure according to an embodiment of the present invention;

2 is a schematic diagram of splitting of an electric heating treasure according to an embodiment of the present invention;

3 is a schematic diagram of a circuit board according to an embodiment of the present invention;

4 is a schematic diagram of a push switch according to an embodiment of the present invention;

5 is a schematic view showing the combination of a heat conductive sheet and an electric heating sheet according to an embodiment of the present invention;

Figure 6 is a schematic view of a face shell of an embodiment of the present invention;

Figure 7 is a schematic view of a rear case of an embodiment of the present invention;

FIG. 8 is a schematic diagram of a circuit board, a battery, and a charging interface fixed to a face shell according to an embodiment of the present invention. Among them: 1, electric heating treasure; 2, face shell; 21, the second screw hole column; 22, the third screw hole column; 24, the first limit groove; 25, the second avoidance half hole; 26, the first avoidance Half hole; 201, battery placement platform; 202, reinforcing rib; 203, first limiting plate; 204, second limiting plate; 205, third limiting plate, 206, fourth limiting plate; 207, circuit board limiting portion; 208, interface limit 209, first bump; 210, second bump; 211, lanyard hole; 3, rear shell; 31, first screw hole column; 32, positioning column; 34, first limiting portion; The fourth avoidance half hole; 36, the third avoidance half hole; 37, the battery pressure bone; 38, the second positioning column; 39, the indicator light fixing hole column; 301, the lanyard hole; 302, the interface pressing bone; 4, electric heating 5, battery; 6, charging interface; 7, circuit board; 71, control switch; 72, indicator light; 8, push-torch switch; 81, panel; 82, strip-shaped dial; 83, surrounding bone; Thermal sheet.

【detailed description】

An electric heating treasure includes a housing, and a circuit board fixed inside the housing and a charging interface connected to the circuit board by a wire, wherein the housing is provided with a charging interface The first escaping hole is adapted to be disposed, wherein the housing is provided with an interface limiting portion that cooperates with the charging interface, and the interface limiting portion is located at a rear side of the first escaping hole. In the invention, since the interface limiting portion matched with the charging interface is disposed at the inner edge of the casing, the charging interface is fixed in the interface limiting portion and does not move, and the charging is set on the corresponding housing of the interface fixing portion. The interface is adapted to the first escape hole, which is convenient for charging.

The invention will now be further described with reference to the drawings and preferred embodiments.

As shown in Figure 1-8, the electric heating treasure 1 includes a casing, a heating sheet 4, a rechargeable battery for powering the battery 4, a circuit board 7 for controlling the working state of the electric heating, and a charging interface 6. The housing is in the shape of a mango, and includes a surface shell 2 and a rear shell 3. The electric heating treasure 1 further includes a heat conducting sheet 9 fixed on the surface shell 2 and having the same shape as the surface shell 2, and the electric heating sheet 4 is fixed on the heat conducting sheet 9. .

One end of the face shell 2 and the rear shell 3 is small, the larger end of the shell 2 is the tail of the shell 2, the smaller end of the shell 2 is the head of the shell 2, and the rear shell 2 is larger. The end portion is the tail portion of the rear case 2, and the smaller end portion of the rear case 2 is the head portion of the rear case 2. The charging interface 6 is fixed to the tail of the face shell 2, and an interface limiting portion 208 is provided at the tail of the face shell. Of course, the charging interface 6 can also be fixed to the rear case 3 or other parts of the face shell 2. Fixing the charging interface 6 in the interface limiting portion 208, so that when charging the electric heating treasure 1, The charging interface 6 does not slip into the interior of the housing because the fixing is not secure.

The second limiting plate 204 is connected to the cover 2, and the distance between the second limiting plate 204 and the tail of the housing is greater than the length of the charging interface 6. The interface limiting portion 208 is disposed at the second limit. Between the bit plate 204 and the tail of the face shell 2, including two first bumps 209 parallel to each other and connecting the second limiting plate 204 and the tail of the casing, and disposed between the first bumps 209 and the first The second bumps 210 are parallel to each other, and the length of the second bumps 210 is equal to the difference between the length of the second limiting plate 204 and the tail of the face plate 2 and the length of the charging interface 6. Thus, the interface limiting portion 208 can completely define the position of the charging interface 6 within the housing. The charging interface 6 is in the form of a block, and a charging socket is disposed at one end of the charging interface 6. The other end of the charging interface 6 is provided with a protruding wire soldering portion, and the first avoiding hole is adapted to the shape of the charging socket; One end is the front end of the charging interface, and one end of the wire soldering portion is the tail end of the charging interface; the width between the first bumps 209 is the same as the width of the charging interface 6, and the interface limiting portion 208 is provided with the wire The soldering portion is adapted to the soldering portion avoiding hole, the wire soldering portion is disposed on one side of the charging interface 6, and the soldering portion avoiding hole is located on the first bump 209. The interface limiting portion 208 is provided with an interface placing station having a height smaller than the interface limiting portion 208. The distance between the interface limiting portion 208 and the interface placing station is smaller than the thickness of the charging interface. The edge of the head of the charging interface 6 is provided with a protruding interface limiting station, and the corresponding position of the face shell 2 is provided with an interface avoiding slot that cooperates with the interface limiting platform. The charging interface of the rear case 3 is provided with a protruding interface pressing bone 302. The height of the interface pressing bone 302 is equal to the distance of the rear case 3 to the charging interface 6. The circuit board 7 is fixed to the head of the face shell 2, and since the circuit board 7 is fixed to the head of the face shell 2, the length of the wires connecting the circuit board 7 and the charging interface 6 is greater than the length of the circuit board 7 and the The distance of the charging interface 6 is described.

A first escape hole corresponding to the charging interface 6 is disposed on the housing, and the first escape hole corresponds to a third escape half hole 23 disposed on the face shell 2 and a fourth avoidance disposed on the rear case 3 Half hole 35.

The heating sheet 4 and the circuit board 7 are connected by two wires, and the battery 5 and the circuit board 7 are also connected by two wires; one end of the wire connecting the battery 5 and the circuit board 7 is soldered on the circuit board, and One end is disposed on the circuit 7; two protruding soldering points are disposed at one end of the heating fin 4, and one end of the connecting wire connecting the heating fin 4 and the circuit board 7 is soldered on the soldering point on the heating fin 4, and the other end is soldered to the electric The face shell 2 and the rear case 3 are fixed by screws, and the face shell 2 and the rear case 3 are fixed by screws, so that when there is a problem in the electric heating treasure 1, the electric heating treasure 1 is taken apart, and the components inside the casing are inspected. The face shell is provided with a screw hole, and a corresponding position of the inner surface of the rear case 3 is provided with a first screw hole post 31 for use with the screw hole. The surface of the face shell 2 corresponding to the screw hole is provided with a protruding second screw hole post 21, the height of the second screw hole post 21 and the height of the first screw hole post 31 and the inside of the face shell 2 and the rear case 3 The distance is the same. A screw threaded with the screw is disposed inside the second screw hole post 21 and the first screw hole post, so that it is more convenient to fix the face shell 2 and the rear shell 3 with screws. A recessed screw placement platform is provided on the outer surface of the face shell 2 corresponding to the screw hole, so that the screw does not protrude outside the face shell 2, thereby ensuring the flatness of the face shell 2.

A positioning post 32 is disposed on the rear case 3. Correspondingly, the face shell 2 is provided with a positioning post insertion hole 22 for use with the positioning post. The positioning post 32 is inserted into the positioning post insertion hole 22, and can be performed on the face shell and the rear case. Limiting, such that when the housing is fixed by screws, the housing is not misaligned; the positioning post insertion hole 22 is located on the opposite side of the second screw hole post 21 disposed on the side of the face shell 2, and the positioning post 32 is located at the first screw The opposite side of the column 31. There are two positioning posts 32. The height of the positioning post 32 is higher than the height of the rear case 3 and the height of the positioning post receptacle 22 is flush with the height of the face shell 2, so that the positioning post 32 can be inserted into the face shell 2 for positioning. Inside the column jack 22.

The face shell 2 and the rear shell 3 are fixed by three screws. Correspondingly, one screw hole is provided at both ends and one side of the shell shell 2, then the first screw hole column 31 is also located at both ends of the rear shell 3 and one The positioning post 32 is maximized, and the positioning post 32 is disposed on the side of the rear case 3 where the second screw hole post is not provided.

As shown in Figures 5 and 6, the periphery of the face shell 2 and the rear shell 3 are fully enclosed and surrounded by side walls. The inner wall of the rear shell 3 is provided with a protruding first ring limiting portion 34. The end of the side wall of the outer shell 2 is provided with a first limiting slot 24 that cooperates with the first limiting portion 34. The first limiting slot 24 The height of the first limiting portion 34 is equal to the height of the first limiting portion 34, and the width of the first limiting portion 24 is equal to the thickness of the first limiting portion 34. The first limiting portion 34 and the first limiting slot 24 engaged with the first limiting portion 34 are disposed, so that the first limiting portion 34 on the rear casing 3 can be inserted into the first limiting slot fixed to the surface shell 2 24, so that between the face shell 2 and the rear shell 3 It is not staggered when it is fixed by screws, and it is also possible to make the face shell 2 and the rear case 3 fixed without a gap therebetween.

The battery 5 has a square shape, and a battery limiting plate having a height corresponding to the shape of the battery 5 and having the same height as the first opening 23 is disposed inside the surface casing 2, and the battery limiting plate is disposed near the head of the surface casing 2. a first limiting plate 203, a second limiting plate 204 near the tail of the casing 2, a third limiting plate 205 near the side of the casing, and a fourth limiting plate 206 near the other side of the casing, the first limit The positional plate 203 and the second limiting plate 204 are parallel to each other, and the third limiting plate 205 and the fourth limiting plate 206 are parallel to each other, and the first limiting plate 203 and the third limiting plate 205 are mutually connected. Vertically, the second limiting plate 204 and the fourth limiting plate 206 are perpendicular to each other, and the distance between the first limiting plate 203 and the second limiting portion 204 is equal to the length of the battery, and the third limiting plate 205 is The distance between the fourth limiting plates 206 is equal to the width of the battery, and the battery 5 is placed just inside the battery limiting plate. The first limiting plate 203 and the second limiting plate 204 are in contact with the edge of the face shell 2, and the ends of the third limiting plate 205 and the fourth limiting plate 206 are respectively disposed at the inner side of the face shell 2 The horizontal plate can increase the strength of the battery limiting plate and increase the strength of the surface shell. When the outer casing is subjected to an external force, deformation does not occur. A battery placement platform 201 having a hollow height lower than the battery limiting plate is disposed inside the battery limiting plate. The width of the battery placement platform 201 is smaller than the distance between the third limiting plate 205 and the fourth limiting plate 206. The inside of the battery placement platform 201 is provided with protruding and intersecting reinforcing ribs 202. The height of the reinforcing ribs 202 is smaller than the height of the battery placing platform 21. The reinforcing ribs 202 can increase the strength of the surface shell 2, and are used normally. When it does not change. In order to prevent the battery 5 from directly contacting the battery placement platform 201, a piece of sponge is disposed between the battery 5 and the battery placement platform 201, and the block sponge is fixed on the contact surface of the battery 5 and the battery placement platform 201 with glue. The inside of the rear case 3 is also provided with a protruding battery pressing bone 37, and the height of the battery pressing bone 37 is equal to the shortest distance of the rear case 3 to the battery 5. The battery pressure bones 37 are cross-shaped and are cross-shaped. By setting the battery pressing bone 37, not only the battery can be further fixed, but also the strength of the rear case 3 can be enhanced. a second screw hole 21 disposed on one side of the surface of the casing is closely attached to the outer side of the third limiting plate 205, and a second screw hole 21 at the tail of the surface is closely attached to the outer side of the second limiting plate 204. The three screw hole posts 22 are closely attached to the outer side of the fourth limiting plate 206, so that the strength of the battery limiting plate can be increased, and the strength of the second screw hole post 21 and the third screw hole column 22 can be increased. . The circuit board 7 is fixed to the head of the face shell 2, and the length of the circuit board 7 is equal to the distance between the second screw hole post 21 disposed at the head of the face shell to the first limiting plate 203, on both sides of the head of the face shell Two circuit board limiting portions 207 are disposed. The circuit board limiting portion 207 is located between the second screw hole post 21 disposed at the head of the face shell and the first limiting plate 203. The circuit board limiting portion 207 includes a circuit board. a placing portion and a circuit board limiting plate connecting the board placing portion and the inner surface of the surface shell, wherein the height of the board placing portion is lower than the height of the second screw hole post 21, so that the second screw is disposed on the head of the surface shell The hole post 21 and the first limiting plate 203 can be fixed to the circuit board 7 by the circuit board limiting portion 207. Since the circuit board 7 and the battery 5 are connected by wires, a wire escaping hole is provided at an intermediate position of the first limiting plate 203.

The circuit board 7 is provided with a control switch 71 and two indicator lights. The control switch 71 is a push-pull switch. The control switch 71 has two states, and a push-pull switch 8 is sleeved, and the corresponding position of the housing is set with The second escape hole corresponding to the push switch 8; the indicator light 72 includes a red light and a green light, the red light indicates the working state of the electric heating treasure, when the electric heating treasure works, the red light is bright; the green light indicates the electric heating treasure In the charging state, the green light indicates that when charging, when the green light is off, indicating that charging is completed or not, the indicator light 72 and the control switch 71 are located on the same side of the circuit board 7. The push switch 8 includes an elliptical panel 81 and an outwardly projecting strip-shaped dial 82 disposed at an intermediate position of the panel 81, and is disposed in the middle of the opposite side of the strip-shaped dial 82 of the panel 81. The surrounding bone 83 at the position, the control switch 7 is sleeved in the surrounding bone 83; the length of the surrounding bone 83 is equal to the shortest distance from the control switch 7 to the outside of the housing, so that after assembly, the panel of the push switch 8 will be in close contact with The outside of the housing. The second escape hole corresponds to a first escape half hole 26 provided on the face shell 2 and a third escape half hole 36 provided on the rear case 3.

An indicator fixing hole 39 for fixing the indicator light 72 is disposed on the rear case 3, and the height of the indicator fixing hole column 39 is equal to the distance of the circuit board 7 to the rear case 3. The two sides of the rear case 3 are respectively provided with a second positioning post 38 and a circuit board pressing bone opposite to the position of the second positioning post 38. The second positioning post 38 is two, and the distance between the second positioning post 38 is The length of the circuit board 7 is the same, the height of the second positioning post 38 is greater than the distance from the back shell to the board placement portion; the height of the circuit board pressing bone (not shown) is equal to the rear shell 3 to the The distance between the circuit boards 7 and the two bones of the circuit board are also pressed, and the circuit board is pressed against the inner side of the rear case, so that the circuit board pressing bone not only functions to limit the circuit board, but also can To the role of the ribs, increase the strength of the back shell.

A lanyard hole 211 and a lanyard hole 301 are respectively disposed at opposite positions of the head shell 2 and the head of the rear shell 3, and a lanyard hole is provided, so that the lanyard can be fixed on the electric heating treasure for convenient carrying.

The above is a further detailed description of the present invention in conjunction with the specific preferred embodiments. It is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention can be made without departing from the spirit and scope of the invention.

Claims

Rights request

1. An electric heater, characterized in that it includes a casing, a circuit board fixed inside the casing, and a charging interface connected to the circuit board by wires. The casing is provided with a There is a first escape hole suitable for the charging interface, and an interface limiting portion matching the charging interface is provided in the housing, and the interface limiting portion is located on the rear side of the first escape hole.

2. The electric heater according to claim 1, characterized in that, the housing includes a hollow front shell and a back shell with the same length and width; the front shell and the back shell are both large at one end. One end is small, the larger end of the noodle shell is the tail of the noodle shell, the smaller end of the noodle shell is the head of the noodle shell, the larger end of the back shell is the tail of the back shell, so The smaller end of the rear shell is the head of the rear shell; the interface limiting portion is provided at the end of the tail of the face shell.

3. The electric heater according to claim 2, wherein the face shell is provided with a second limiting plate connected to both sides of the face shell and close to the tail of the face shell, and the second limiting plate The distance from the tail of the face case is greater than the length of the charging interface. The interface limiting portion includes two first bumps that are parallel to each other and connect the second limiting plate and the tail of the face case. There are second bumps between the first bumps and parallel to the first bumps, the length of the second bumps and the distance from the second limiting plate to the tail of the face shell are the same as the length of the second bumps. The difference in length of the charging interface is the same.

4. The electric heater according to claim 3, characterized in that the charging interface is block-shaped, one end of the charging interface is provided with a charging socket, and the other end of the charging interface is provided with a protruding wire welding part, the first escape hole is adapted to the shape of the charging socket; the end provided with the charging socket is the front end of the charging interface, and the end provided with the wire welding part is the tail end of the charging interface; the described interface limit The bit portion is also in a square shape, and the width between the first bumps is the same as the width of the charging interface. The interface limiting portion is provided with a welding portion avoidance hole that is adapted to the wire welding portion.

5. The electric heater according to claim 4, wherein the wire welding part is provided on one side of the charging interface, and the welding part relief hole is located on the first bump.

6. The electric heater according to claim 5, characterized in that, the interface limiting part is provided with The height of the interface placing platform is smaller than that of the interface limiting part.

7. The electric heater according to claim 6, wherein the distance between the interface limiting part and the interface placing platform is less than the thickness of the charging interface, and the charging socket of the face shell corresponds to A third avoidance half hole is provided at the position, and a fourth avoidance half hole is provided at a position corresponding to the charging socket of the back shell.

8. The electric heating device according to claim 7, characterized in that: the edge of the head of the charging interface is provided with a protruding interface limiter; and the corresponding position of the face shell is provided with a protruding interface limiter. The interface avoidance groove matched with the interface limit platform.

9. The electric heating device according to claim 7, characterized in that a protruding interface pressing bone is provided at the charging interface corresponding to the back shell, and the height of the interface pressing bone is equal to the height of the back shell to the charging port. Describe the distance to the charging port.

10. The electric heater according to claim 2, characterized in that, the circuit board is fixed on the head of the face shell, and the length of the wire connecting the circuit board and the charging interface is longer than that of the circuit board. distance from the charging port.