CN215821354U

CN215821354U - Hand warmer

Info

Publication number: CN215821354U
Application number: CN202121923048.1U
Authority: CN
Inventors: 关广晖; 赵雪威
Original assignee: Jiangmen Kaikang Mechanical Equipment Co ltd; Foshan Shunde Anbaoli Electric Appliance Co ltd
Current assignee: Jiangmen Kaikang Mechanical Equipment Co ltd; Foshan Shunde Anbaoli Electric Appliance Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-15
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a hand warmer, which comprises a bag body, a socket and an electric heating body, wherein the socket is fixed on the bag body and extends into the bag body, the electric heating body is arranged in the bag body and is electrically connected with the socket, a flexible piece is also arranged in the bag body, two sides of the flexible piece are fixedly connected with the inner side wall of the bag body, a gap is reserved between the flexible piece and the inner side wall of the bag body to form an insertion cavity, one end of the insertion cavity is provided with an insertion hole, a retarding part for retarding the electric heating body from withdrawing from the insertion hole is also arranged on the flexible piece and is close to the insertion hole, the electric heating body extends into the insertion cavity through the insertion hole, and the rear end of the electric heating body is positioned in front of the retarding part; according to the hand warmer, the flexible piece is additionally arranged, and the relative determination of the mounting position of the electric heating body on the inner side wall of the bag body is realized through the flexible piece; furthermore, the buffer part on the flexible element can buffer the electric heating element from separating from the flexible element, so that the electric heating element can be stably limited between the flexible element and the inner side wall of the bag body.

Description

Hand warmer

Technical Field

The utility model particularly relates to a hand warmer.

Background

The existing hand warmer is that: electric heating bag, its structure includes the bag body, and the internal bag chamber that is provided with of bag has liquid, and electric heating body arranges in liquid, promptly: the electric heater is arranged in the bag cavity so as to directly heat the liquid in the bag cavity. When the electric heating bag is heated to work, when the liquid is heated to a set temperature value, the temperature controller acts to disconnect the power supply of the electric heating body, so that the electric heating body stops working; at the moment, the hand warmer can be used for warming.

See the chinese utility model patent, patent number: 201921837928X, patent name: hand warmer, authorized announcement day: 8 month 14 in 2020, its structure includes, including bag body, supply socket and heating tube, wherein: the power socket comprises a socket shell, a socket and a panel, wherein the socket is arranged in the socket shell, an opening is formed in the bag body, the opening of the bag body is clamped between the socket and the panel, the surface of the bag body is higher than or level to the surface of the panel, a screw is arranged between the socket and the panel for connection, and the socket is electrically connected with the heating tube through a lead. The utility model is clamped between the socket and the panel through the opening of the bag body, and the surface of the bag body is higher than or even with the surface of the panel, thereby playing a role of good hand feeling.

However, the hand warmer with the structure has the following defects: (1) the heating tube is embedded in the protective cover, the protective cover and the heating tube are in a free state in the liquid in the bag cavity, and the heating tube with the protective cover is easy to expose out of the liquid surface and even leave the liquid surface when charging and heating, so that dry burning is easy to cause; furthermore, the heating tube is in a free state in the bag cavity, which causes uneven heating.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a hand warmer which is easy to limit an electric heating body on the inner side wall of a bag body and can heat uniformly.

The purpose of the utility model is realized as follows:

the utility model provides a hand warmer, includes the bag body, socket and electric heat body, the socket is fixed on the bag body and is extended into the bag internally, the electric heat body arrange in the bag internally and with socket electric connection, its characterized in that: the bag body is also internally provided with a flexible piece, two sides of the flexible piece are fixedly connected with the inner side wall of the bag body, a gap is reserved between the flexible piece and the inner side wall of the bag body to form an insertion cavity, one end of the insertion cavity is provided with an insertion opening, a retarding part for retarding the electric heating body from exiting the insertion opening is also arranged on the flexible piece close to the insertion opening, the electric heating body extends into the insertion cavity through the insertion opening, and the rear end of the electric heating body is positioned in front of the retarding part; according to the hand warmer, the flexible piece is additionally arranged and fixedly connected with the inner side wall of the bag body to form the insertion cavity for installing and fixing the electric heating body, so that the relative determination of the installation position of the electric heating body on the inner side wall of the bag body is realized through the insertion cavity, the position of the electric heating body is ensured to be stable, the heating work of the electric heating body is stable and uniform, and the heating efficiency of the electric heating body is improved; furthermore, because the rear end of the electric heating body is positioned in front of the retarding part, the retarding part on the flexible part can achieve the effect that the electric heating body is separated from the flexible part, so that the electric heating body is stably limited between the inner side wall of the flexible part and the inner side wall of the bag body, and the user is not easy to cause dry burning during normal use.

The utility model can also be solved by adopting the following technical measures:

furthermore, a clamping opening is formed in the position, close to the insertion opening, of the flexible piece, when the electric heating body exits, the rear end of the electric heating body is clamped against the rear edge of the clamping opening, and the rear edge forms the retarding part; the back edge of the clamping opening on the flexible piece is not supported by the electric heating body, the back edge can drop, when the electric heating body with a certain height (thickness) exits, the back end of the electric heating body can be clamped and supported on the back edge of the clamping opening, so that the effect of preventing the electric heating body from exiting the insertion opening is achieved.

Furthermore, the front edge and the rear edge of the clamping opening are oblique edges which are parallel to each other; the bevel edge improves the effect that the rear edge hinders the electric heating body from being separated from the flexible piece, and the implementation effect is better.

Furthermore, two clamping ports which are symmetrical in shape and same in size are formed in the flexible part; the two clamping openings with symmetrical shapes and the same size enable the flexible piece to have better resistance effect on the electric heating body.

Furthermore, the flexible part is I-shaped and comprises an inlet section, a main body section and a connecting section of the main body section, and the two clamping ports are positioned between the inlet section and the main body section and are separated by the connecting section; the I-shaped flexible piece is not only beneficial to heat dissipation of the electric heating body, but also easy to fall at the inlet section because the inlet section is not supported by the heating body, so that the rear end of the heating body is easy to be blocked by the inlet section, and the electric heating body is prevented from being withdrawn easily.

Furthermore, two sides of the inlet section are fixedly connected with the inner side wall of the bag body, so that a gap between the inlet section and the inner side wall of the bag body forms an inlet section, two sides of the main body section are fixedly connected with the inner side wall of the bag body, so that a gap between two sides of the main body section and the inner side wall of the bag body forms a main body section, the insertion cavity comprises an inlet section and a main body section, and the width of the inlet section is smaller than that of the main body section; the electric heat body has got into and limiting displacement for the installation of bag internal is fixed between the interval and the main part of entry on the one hand, and the width that the interval width of on the other hand entry is less than the interval width of main part makes the flexible member better to the effect of slowing down of hindering of electric heat body.

Further, one end of the inlet section constitutes the insertion port.

Furthermore, the other side of the main body section is also connected with an extension section, and the extension section is provided with a bubble discharge port; the extension section can further carry on spacingly to the anterior segment of electric heat body, is particularly suitable for the electric heat body needs of overlength, and the bubble mouth that exhausts on the extension section simultaneously is favorable to the bubble that the electric heat body produced in time to discharge through the bubble mouth, and simultaneously, the bubble mouth that exhausts has improved the circulation between the liquid of the intracavity of inserting and the internal liquid of bag to make the heating of electric heat body more even, heating efficiency is higher.

Furthermore, the front end of the electric heating body extends out of the extension section; although the front end of the electric heating body extends out of the extension section, most of the electric heating body can still be limited by the flexible piece, and the heating effect is better due to the protruded front end of the electric heating body.

Furthermore, the flexible piece and the bag body are both made of PVC materials, and two sides of the flexible piece are fixedly connected with the inner side wall of the bag body in a hot melting mode; because the flexible piece and the inner side wall of the bag body are made of PVC materials, the flexible piece and the inner side wall of the bag body can be fixed in a hot melting mode, and are firmly connected, so that the bag is easy to implement.

The utility model has the following beneficial effects:

(1) according to the hand warmer, the flexible piece is additionally arranged and fixedly connected with the inner side wall of the bag body to form the insertion cavity for installing and fixing the electric heating body, so that the relative determination of the installation position of the electric heating body on the inner side wall of the bag body is realized through the insertion cavity, the position of the electric heating body is ensured to be stable, the heating work of the electric heating body is stable and uniform, and the heating efficiency of the electric heating body is improved; furthermore, because the rear end of the electric heating body is positioned in front of the retarding part, the retarding part on the flexible part can achieve the effect that the electric heating body is separated from the flexible part, so that the electric heating body is stably limited between the inner side walls of the flexible part and the bag body, and the user can use the electric heating body normally and is not easy to cause dry burning.

(2) The back edge of the clamping opening on the flexible piece is not supported by the electric heating body, the back edge can drop, when the electric heating body with a certain height (thickness) exits, the back end of the electric heating body can be clamped and supported on the back edge of the clamping opening, so that the effect of preventing the electric heating body from exiting the insertion opening is achieved.

(3) The extension section can further carry on spacingly to the anterior segment of electric heat body, is particularly suitable for the electric heat body needs of overlength, and the bubble mouth that exhausts on the extension section simultaneously is favorable to the bubble that the electric heat body produced in time to discharge through the bubble mouth, and simultaneously, the bubble mouth that exhausts has improved the circulation between the liquid of the intracavity of inserting and the internal liquid of bag to make the heating of electric heat body more even, heating efficiency is higher.

Drawings

Fig. 1 is a schematic view of an electric heating body fixing device of a hand warmer of the present invention.

Fig. 2 is an enlarged view of fig. 1 at a.

FIG. 3 is an enlarged perspective view of the electric heating element of the present invention.

FIG. 4 is a schematic view of the electric heating element of the present invention in a slow-down state.

Fig. 5 is an enlarged view of fig. 4 at B.

Detailed Description

The utility model is further illustrated by the following figures and examples.

Example 1: as shown in fig. 1 and 5, a hand warmer comprises a bag body 1, a socket 2 and an electric heating body 3, wherein the socket 2 is fixed on the bag body 1 and extends into the bag body 1, and the electric heating body 3 is arranged in the bag body 1 and electrically connected with the socket 2, and is characterized in that: still be provided with the flexible 4 in the bag body 1, the both sides of flexible 4 and the inside wall fixed connection of the bag body 1, there is the clearance in order to constitute the chamber 5 of inserting between the inside wall of flexible 4 and the bag body 1, the one end of the chamber 5 of inserting is provided with the inserted hole 51, still be provided with the portion 41 that delays that electric heat body 3 withdraws from the inserted hole 51 near the inserted hole 51 position on the flexible 4, electric heat body 3 extends into the chamber 5 of inserting through the inserted hole 51 and the rear end of electric heat body 3 is located the place ahead of delaying portion 41.

As a specific scheme, a clamping opening 42 is formed in the position, close to the insertion opening 51, of the flexible piece 4, when the electric heating body 3 exits, the rear end of the electric heating body 3 is clamped against the rear edge of the clamping opening 42, and the rear edge forms the retarding part 41; the front edge and the rear edge of the clamping opening 42 are oblique edges which are parallel to each other; two clamping openings 42 with symmetrical shapes and the same size are formed in the flexible part 4.

In this embodiment, the flexible member 4 is i-shaped, and includes an inlet section 43, a main body section 44 and a connecting section 45 thereof, and the two fastening ports 42 are located between the inlet section 43 and the main body section 44 and are separated by the connecting section 45.

In this embodiment, two sides of the inlet section 43 are fixedly connected with the inner side wall of the bag body 1, so that a gap between the inlet section 43 and the inner side wall of the bag body 1 forms an inlet section 52, two sides of the main body section 44 are fixedly connected with the inner side wall of the bag body 1, so that a gap between two sides of the main body section 44 and the inner side wall of the bag body 1 forms a main body section 53, the insertion cavity 5 includes the inlet section 52 and the main body section 53, and the width of the inlet section 52 is smaller than the width of the main body section 53; one end of the inlet section 52 constitutes the insertion port 51.

In a better embodiment, the other side of the main body section 44 is also connected with an extension section 46, and the extension section 46 is provided with a bubble discharge port 6; the front end of the electric heating body 3 extends out of the extension section 46.

In this embodiment, the flexible member 4 and the bag body 1 are both made of PVC material and are fixedly connected with the inner side wall of the bag body 1 through hot melting between the two sides of the flexible member 4.

Claims

1. The utility model provides a hand warmer, includes bag body (1), socket (2) and electric heat body (3), socket (2) are fixed on bag body (1) and are extended into in bag body (1), electric heat body (3) are arranged in bag body (1) and with socket (2) electric connection, its characterized in that: still be provided with flexible piece (4) in the bag body (1), the both sides of flexible piece (4) and the inside wall fixed connection of the bag body (1), there is the clearance in order to constitute and insert chamber (5) between the inside wall of flexible piece (4) and bag body (1), the one end of inserting chamber (5) is provided with inserted hole (51), be close to inserted hole (51) position on flexible piece (4) and still be provided with and hinder slow electric heat body (3) and withdraw from hindering the portion of slowing (41) of inserted hole (51), electric heat body (3) extend into through inserted hole (51) insert chamber (5) and the rear end of electric heat body (3) is located the place ahead that hinders portion of slowing (41).

2. The hand warmer according to claim 1, wherein a clamping opening (42) is formed in the flexible member (4) at a position close to the insertion opening (51), and when the electric heating body (3) is withdrawn, the rear end of the electric heating body (3) is clamped against the rear edge of the clamping opening (42), and the rear edge forms the buffer part (41).

3. The hand warmer as claimed in claim 2, wherein the front edge and the rear edge of the catching opening (42) are inclined parallel to each other.

4. Hand warmer according to claim 2, characterized in that said flexible element (4) is provided with two clamping openings (42) of symmetrical shape and same size.

5. Hand warmer according to claim 4, wherein said flexible element (4) is i-shaped and comprises an inlet section (43), a main section (44) and a connecting section (45) thereof, said two engagement openings (42) being located between the inlet section (43) and the main section (44) and being separated by the connecting section (45).

6. Hand warmer according to claim 5, characterized in that said inlet section (43) is fixedly connected between both sides and the inner side wall of the bag body (1) so that the gap between the inlet section (43) and the inner side wall of the bag body (1) constitutes an inlet zone (52), said main section (44) is fixedly connected between both sides and the inner side wall of the bag body (1) so that the gap between both sides of the main section (44) and the inner side wall of the bag body (1) constitutes a main zone (53), said insertion chamber (5) comprising an inlet zone (52) and a main zone (53), said inlet zone (52) having a width smaller than the width of the main zone (53).

7. Hand warmer according to claim 6, wherein one end of said inlet section (52) constitutes said insertion opening (51).

8. The hand warmer according to claim 5, wherein an extension section (46) is further connected to the other side of the main body section (44), and the extension section (46) is provided with a bubble discharge port (6).

9. The hand warmer according to claim 8, wherein the front end of the electric heating element (3) extends out of the extension section (46).

10. The hand warmer according to any one of claims 1-9, wherein the flexible member (4) and the bag body (1) are made of PVC material, and both sides of the flexible member (4) are fixedly connected with the inner side wall of the bag body (1) through hot melting.