CN212648613U

CN212648613U - Socket and heating body connecting structure for hand warmer

Info

Publication number: CN212648613U
Application number: CN202021071881.3U
Authority: CN
Inventors: 肖玉容
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-03-02
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a socket and heat-generating body connection structure that hand warmer was used, including heat-generating body and socket, the heat-generating body is including heating wire and mount, and the winding of heating wire is on the mount, the socket includes the pedestal and sets up electrically conductive participating in on the pedestal, the pedestal extends flexible protective sheath towards the mount direction, and flexible protective sheath and mount fixed connection have passed the wire in the flexible protective sheath, and the wire both ends electricity connection is respectively connected electrically conductive participating in and the line that generates heat. According to the hand warmer, the socket and the heating body are fixedly connected through the flexible protective sleeve, the flexible protective sleeve fixes the lead, the lead is not exposed and is not easy to bend, and the hand warmer is safe to use. The utility model has the advantages of simple structure and reasonable design, socket and heat-generating body pass through flexible protective sheath fixed connection, and the fixed wire of flexible protective sheath, even nature protective sheath and socket integrated into one piece, stable in structure, flexible protective sheath and socket firm in connection, the wire does not expose and is difficult for buckling, safe in utilization.

Description

Socket and heating body connecting structure for hand warmer

Technical Field

The utility model relates to a hand warmer technical field specifically is a socket and heat-generating body connection structure that hand warmer was used.

Background

The existing hand warmer is like an electric warming bag, a heating body (such as a fixing frame and a heating wire wound on the fixing frame) is arranged in the electric warming bag, a socket is arranged on the bag wall of the electric warming bag, the socket extends into a bag body through a wire to be connected with the heating body, the wire is soft, a certain length is arranged between the socket and the heating body, a longer wire can be exposed in the bag body, and the wire is easy to damage an insulating layer due to repeated bending in installation and use, so that the electric warming bag is unsafe to use and has potential safety hazards.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a socket and heat-generating body connection structure that safe in utilization's hand warmer was used.

The purpose of the utility model is realized like this:

socket and heat-generating body connection structure that hand warmer was used, including heat-generating body and socket, the heat-generating body includes heating wire and mount, and the winding of heating wire is on the mount, the socket includes the pedestal and sets up the electrically conductive participating in on the pedestal, the pedestal extends flexible protective sheath towards the mount direction, and flexible protective sheath and mount fixed connection have passed the wire in the flexible protective sheath, and the electrically conductive participating in of electric connection respectively in wire both ends and the line that generates heat. According to the hand warmer, the socket and the heating body are fixedly connected through the flexible protective sleeve, the flexible protective sleeve fixes the lead, the lead is not exposed and is not easy to bend and damage, and the hand warmer is safe to use.

The purpose of the utility model can also adopt the following technical measures to solve:

furthermore, the fixing frame comprises an incoming line part and a winding part, the incoming line part comprises an incoming line box and a cover plate of the incoming line box, a penetrating opening is formed between the incoming line box and the cover plate, the flexible protective sleeve extends into the incoming line box through the penetrating opening, the heating line is wound on the winding part, and two ends of the heating line extend into the incoming line box and are connected with a lead in the incoming line box. The inlet box and the cover plate jointly fix the flexible protective sleeve, and the conductive pin and the heating wire are conveniently connected through a lead.

Furthermore, a clamping groove is further formed in a penetrating port of the wire inlet box, a clamping block is arranged on the outer side wall of the flexible protective sleeve, the clamping block is in concave-convex fit with the clamping groove, and the protective sleeve is clamped after the cover plate is fixedly connected with the wire inlet box. The fixture block and the clamping groove are designed to prevent the flexible protective sleeve from being separated from the passing port of the wire inlet box.

Furthermore, a clamping seat is arranged on the wire inlet box, a lower fixing groove is arranged on the clamping seat, the clamping groove is formed in the lower fixing groove, an upper fixing groove is formed in the cover plate, and the upper fixing groove and the lower fixing groove jointly form the penetrating opening. The cooperation of cassette and apron makes the flexible protective sheath fixed more stable.

Further, still be equipped with on the inlet box and accomodate the groove, accomodate groove and lower fixed slot intercommunication, the position of plugging into of wire and heating wire sets up in accomodating the inslot. The accommodating groove accommodates the connecting part of the lead and the heating wire, thereby avoiding leakage and achieving the purpose of fixing the lead.

Furthermore, both sides of the bottom of the accommodating groove are provided with penetrating holes, and both ends of the heating wire respectively enter the accommodating groove through the penetrating holes.

Further, the wire inlet box and the cover plate are ultrasonically welded or fixed together through a connecting piece. The incoming line box and the cover plate are sealed to a certain extent, and liquid is reduced from entering the incoming line box.

Further, the both sides of the winding part bottom surface of mount are provided with one row of spacing arch down respectively, and the equidistance interval sets up between the spacing arch down, forms spacing groove down between the spacing arch, and the both sides of winding part top surface are provided with one row of spacing arch down respectively, go up spacing interval sets up between the spacing arch, go up spacing groove on forming between the spacing arch, and the line that generates heat is even, the flattening winding is on the mount through spacing groove down and last spacing groove down. The upper limiting bulge and the lower limiting bulge limit the winding distance of the heating wire, and the heating wire is ensured to be heated uniformly.

Furthermore, the flexible protective sleeve is arranged in the middle or the lower part of the socket, the flexible protective sleeve and the socket jointly form a transverse T shape or an L shape, the flexible protective sleeve and the socket are integrally formed, the structure is stable, and the flexible protective sleeve and the socket are firmly connected.

In another embodiment, the end of the heating wire and the connecting part of the conducting wire are wrapped in the wire inlet box through the shrinkage pipe, and the wire inlet box and the cover plate are both provided with heat dissipation holes. The shrinkage pipe can be the electrical insulation heat shrinkage bush of 3M brand, and the shrinkage pipe makes the tip of heating wire and the connecting portion of wire insulating, waterproof, and the louvre is favorable to liquid entering inlet box, is favorable to heat and the outside exchange in inlet box and the apron.

The utility model has the advantages that: (1) the socket and the heating body are fixedly connected through the flexible protective sleeve, the wire passes through the flexible protective sleeve, and the flexible protective sleeve and the socket are firmly connected because the flexible protective sleeve and the socket are integrally formed, so that the wire is not exposed and is not easy to bend and damage, and the use is safe; (2) the matching of the wire inlet box and the cover plate can not only compress the flexible protective sleeve, but also ensure that certain sealing property exists between the wire inlet box and the cover plate (inside), reduce liquid entering the wire inlet box and have certain waterproof effect; moreover, the wire is accommodated in the accommodating groove, the wire is prevented from being exposed, the purpose of fixing the wire is achieved, the winding distance of the heating wire is limited by the upper limiting bulge and the lower limiting bulge, and the heating wire is ensured to be heated uniformly.

Drawings

FIG. 1 is a schematic diagram of a connection structure of a socket and a heat generating device according to an embodiment (omitting conductive pins, wires and heat generating wires).

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic view of a connection structure of the socket, the protective sleeve and the fixing frame according to the first embodiment (omitting the lead, the heating wire and the cover plate).

Fig. 4 is an enlarged view at a in fig. 2.

Fig. 5 is a schematic cross-sectional structure diagram of the first embodiment.

FIG. 6 is a schematic view of the connection structure of the second socket and the heat generating device according to the embodiment (omitting the conductive pins, the conductive wires and the heat generating wires).

Fig. 7 is a schematic view of a connection structure of the socket, the protective sleeve and the fixing frame according to the second embodiment (omitting the lead, the heating wire and the cover plate).

Fig. 8 is a schematic cross-sectional structure diagram of the second embodiment.

Detailed Description

The invention is further illustrated by the following figures and examples.

In the first embodiment, as shown in fig. 1 to 5, a socket and heating element connection structure for a hand warmer includes a heating element 1 and a socket 2, where the socket 2 includes a base and a conductive pin 23 disposed on the base, a flexible protection sleeve 21 extends from one side of the middle of the socket, the flexible protection sleeve 21 and the socket 2 are disposed in a horizontal "T" shape, and a fixture block 22 is disposed on an outer side wall of the protection sleeve 21.

The heating body 1 comprises a heating wire 11 and a fixing frame 3, the fixing frame 3 comprises a wire inlet part and a wire winding part, the wire inlet part comprises a wire inlet box 4 and a cover plate 5 thereof, a clamping seat 41 is arranged on the wire inlet box 4, a lower fixing groove 42 is arranged on the clamping seat 41, a clamping groove 43 is arranged on the lower fixing groove 42, an upper fixing groove 51 is arranged on the cover plate 5, the upper fixing groove 51 and the lower fixing groove 42 jointly form a passing opening, and the shape of the passing opening is matched with the shape of the protective sleeve 21. The wire inlet box 4 is also provided with a containing groove 44, the containing groove 44 is communicated with the lower fixing groove 42, and two sides of the bottom of the containing groove 44 are provided with penetrating holes 45.

Wherein, the both sides of the winding part bottom surface of mount 3 are provided with one row of spacing arch 31 down respectively, and the equidistance interval sets up between the spacing arch 31 down, forms spacing groove 32 down between the spacing arch 31 down, and the both sides of winding part top surface are provided with one row of spacing arch 33 up respectively, and the equidistance interval sets up between the spacing arch 33 up, forms spacing groove 34 up between the spacing arch 33 up, and the line 11 that generates heat is even, the flattening winding is on mount 3 through spacing groove 32 down and spacing groove 34 up.

The flexible protective sleeve 21 is placed on the lower fixing groove 42, the clamping block 22 is inserted into the clamping groove 43, the wire 20 penetrates through the flexible protective sleeve 21, one end of the wire 20 is connected with the conductive pin 23 of the socket 2, the other end of the wire 20 extends into the accommodating groove 44, two ends of the heating wire 11 respectively enter the accommodating groove 44 through the penetrating holes 45, the wire 20 and the heating wire 11 are connected in the accommodating groove 44, the connecting part is hidden in the accommodating groove 44, the wire inlet box 4 and the cover plate 5 are fixed through ultrasonic welding, and the flexible protective sleeve 21 is tightened, so that the heating body 1 and the socket 2 are connected together.

The utility model discloses well hand warmer can be electric hot-water bag, and socket 2 sets up on electric hot-water bag's the bag body, and socket 2 one end exposes as power connection, and the internal of the bag of electric hot-water bag is arranged in to socket 2 one end of taking flexible protective sheath 21, and heat-generating body 1 is arranged in the internal for heating water of electric hot-water bag promptly.

As shown in fig. 6 to 8, the second embodiment is different from the first embodiment in that: all be equipped with louvre 46 on inlet box 4 and the apron 5, wire 20 and the position of plugging into of heating wire 11 are receiving groove 44 and are passing through the parcel of shrink tube 6, and the shrink tube can be the electrical insulation heat shrinkage bush of 3M brand, and shrink tube 6 makes the tip of heating wire 11 and the connecting portion of wire 20 insulating, waterproof, and louvre 46 is favorable to liquid entering inlet box 4, is favorable to inlet box 4 and the interior heat and the outside exchange of apron 5.

Claims

1. Socket and heat-generating body connection structure that hand warmer was used, including heat-generating body (1) and socket (2), heat-generating body (1) is including heating wire (11) and mount (3), and heating wire (11) twines on mount (3), its characterized in that: the socket (2) comprises a base body and a conductive pin (23) arranged on the base body, the base body extends out of a flexible protective sleeve (21) towards the direction of the fixed frame, the flexible protective sleeve (21) is fixedly connected with the fixed frame (3), a wire (20) penetrates through the flexible protective sleeve, and two ends of the wire (20) are respectively and electrically connected with the conductive pin (23) and the heating wire (11).

2. The structure for connecting a socket for a hand warmer with a heating body as set forth in claim 1, wherein: the utility model discloses a heating wire, including the inlet wire box (4), flexible protective sheath (21) warp, the mount (3) is including inlet wire part and wire winding part, inlet wire part includes inlet wire box (4) and apron (5) thereof, be provided with between inlet wire box (4) and apron (5) and pass the mouth, flexible protective sheath (21) warp pass in the mouth stretches into inlet wire box (4), heating wire (11) winding is on wire winding part, and the both ends of heating wire (11) extend into inlet wire box (4) in be connected with wire (20) in the inlet wire box (4).

3. The structure for connecting a socket for a hand warmer with a heating body as set forth in claim 2, wherein: still be provided with draw-in groove (43) on the mouth that passes of inlet box (4), be equipped with fixture block (22) on flexible protective sheath (21) lateral wall, fixture block (22) and draw-in groove (43) unsmooth cooperation, and apron (5) and inlet box (4) fixed connection back press from both sides tightly protective sheath (21).

4. The structure for connecting a socket for a hand warmer with a heating body as set forth in claim 3, wherein: the wire inlet box (4) is provided with a clamping seat (41), the clamping seat (41) is provided with a lower fixing groove (42), the clamping groove (43) is arranged on the lower fixing groove (42), the cover plate (5) is provided with an upper fixing groove (51), and the upper fixing groove (51) and the lower fixing groove (42) jointly form the penetrating opening.

5. The structure for connecting a socket for a hand warmer with a heat generating body as set forth in claim 4, wherein: the wire inlet box (4) is further provided with a containing groove (44), the containing groove (44) is communicated with the lower fixing groove (42), and the connecting part of the lead (20) and the heating wire (11) is arranged in the containing groove (44).

6. The structure for connecting a socket for a hand warmer with a heat generating body as set forth in claim 5, wherein: both sides of the bottom of the accommodating groove (44) are provided with penetrating holes (45), and both ends of the heating wire (11) respectively enter the accommodating groove (44) through the penetrating holes (45).

7. The structure for connecting a socket for a hand warmer with a heating body as set forth in claim 2, wherein: the wire inlet box (4) and the cover plate (5) are welded by ultrasonic waves or fixed together through a connecting piece.

8. The structure for connecting a socket for a hand warmer with a heating body as set forth in claim 2, wherein: the both sides of the winding part bottom surface of mount (3) are provided with one row of lower spacing arch (31) respectively, the equidistance interval sets up between lower spacing arch (31), spacing groove (32) down forms between lower spacing arch (31), the both sides of winding part top surface are provided with one row of upper spacing arch (33) respectively, the equidistance interval sets up between upper spacing arch (33), form upper spacing groove (34) between upper spacing arch (33), it is even with upper spacing groove (34) through lower spacing groove (32) to generate heat line (11), the flattening winding is on mount (3).

9. The structure for connecting a socket for a hand warmer with a heating body as set forth in claim 1, wherein: the flexible protective sleeve (21) is arranged in the middle or the lower part of the socket (2), and the flexible protective sleeve (21) and the socket (2) jointly form a transverse T shape or an L shape.

10. The structure for connecting a socket for a hand warmer with a heating body as set forth in claim 2, wherein: the end of the heating wire (11) and the connecting part of the lead (20) are wrapped in the wire inlet box (4) through the shrinkage pipe (6), and the wire inlet box (4) and the cover plate (5) are both provided with heat dissipation holes (46).