High-power blower heating core

Abstract

The high-power blower heating core comprises a fixed bottom shell, a first fixed plate and a second fixed plate are arranged in the circumferential direction of the fixed bottom shell, the first fixed plate and the second fixed plate are arranged in a spaced mode, and a first heating wire and a second heating wire are wound around the first fixed plate and the second fixed plate correspondingly; a plurality of fixing clamping grooves are formed in the upper end of the fixing bottom shell in the circumferential direction, fixing holes are formed in the lower end of the fixing bottom shell, and the upper ends and the lower ends of the first fixing plate and the second fixing plate can be clamped into the fixing clamping grooves and the fixing holes. The fixing clamping groove and the fixing hole are formed in the fixing bottom shell, the upper end of the first fixing plate or the second fixing plate can be clamped into the fixing clamping groove in advance during installation, then the first fixing plate or the second fixing plate is pushed to be clamped into the fixing hole, and fixing is convenient; and the first fixing plate or the second fixing plate can be fixed by the fixing holes in the vertical direction, so that movement is avoided, and tight connection is ensured.

Description

Technical Field

[0001] The present application relates to the technical field of heating elements, and in particular to a heating core of a high-power hair dryer. Background Art

[0002] The heating core of a hair dryer is usually made of a heating wire wound on a heating frame. The heating wire generates heat when energized, and the heat is blown out by a fan to achieve an air-drying effect. With the advancement of science and technology, the heating core of a hair dryer is becoming more and more intelligent and multifunctional, and its assembly process is becoming more and more complicated.

[0003] For example, a Chinese patent with authorization announcement number CN211531342U and publication date September 18, 2020 discloses a heating mechanism in a hair dryer, comprising a base, a first heating wire winding and a second heating wire winding, the base comprising an annular ventilation channel, the ventilation channel having a first mica seat and a second mica seat axially distributed therein, the first heating wire winding and the second heating wire winding both being located in the ventilation channel and being respectively wound on the first mica seat and the second mica seat, the first heating wire winding and the second heating wire winding being wound in opposite spiral directions.

[0004] In the above, two heating wire windings with different spiral directions are set up, so that the directions of the electromagnetic fields are opposite, part of the electromagnetic fields are offset, and the radiation hazards are reduced. Regarding the related technologies mentioned above, the applicant believes that the upper and lower ends of the first mica seat and the second mica seat in the application are both plug-in structures, which are inconvenient to install and the connection is unstable, affecting the use effect. Utility Model Content

[0005] The present application provides a high-power hair dryer heating core that is easy to install and tightly connected.

[0006] A high-power hair dryer heating core comprises a fixed bottom shell, a first fixing plate and a second fixing plate are arranged circumferentially of the fixed bottom shell and the first fixing plate and the second fixing plate are arranged at intervals, a first heating wire and a second heating wire are respectively wound around the first fixing plate and the second fixing plate, a plurality of fixing grooves are arranged circumferentially at the upper end of the fixed bottom shell, a fixing hole is arranged at the lower end of the fixed bottom shell, and the upper and lower ends of the first fixing plate and the second fixing plate can be inserted into the fixing grooves and the fixing holes.

[0007] Preferably, the fixed bottom shell is cylindrical, a first heat insulating tube is arranged on the outer side of the fixed bottom shell, upper and lower ends of the first heat insulating tube extend beyond the fixed bottom shell and the fixing slot and the fixing hole are arranged at the extending part.

[0008] Preferably, a second thermal insulation tube is arranged on the outer side of the second heating wire, and the first fixing plate, the second fixing plate, the first thermal insulation tube and the second thermal insulation tube are all made of mica material.

[0009] Preferably, the first fixing plate and the second fixing plate are both vertically arranged rectangular plate-like structures, and connecting parts are provided at the upper and lower ends of the first fixing plate and the second fixing plate, and arc-shaped protrusions are provided on the connecting parts and are connected to the fixing slots and the fixing holes through the arc-shaped protrusions, and multiple tooth-like protrusions are provided on the outer side of the middle parts of the first fixing plate and the second fixing plate, and the first heating wire and the second heating wire are respectively connected to the tooth-like protrusions, and a notch is provided on the inner side of the middle part of the second fixing plate for the first heating wire to pass through.

[0010] Preferably, the first heating wire and the second heating wire are provided with U-shaped corrugations or V-shaped corrugations, and the U-shaped corrugations or V-shaped corrugations can be stuck on the tooth-shaped protrusions on the first fixing plate and the second fixing plate.

[0011] Preferably, a rivet is provided on the first fixed plate or the second fixed plate, and the rivet is a metal sleeve passing through the first fixed plate or the second fixed plate, one side of the rivet is connected to the first heating wire or the second heating wire, and the other side of the rivet is connected to a wire, and the first heating wire and the second heating wire are electrically connected.

[0012] Preferably, there are multiple riveted parts, and a temperature control switch is provided between two riveted parts.

[0013] Preferably, the first heating wire or the second heating wire is connected to a fusible fuse and a thermistor, and the fusible fuse and the thermistor are electrically connected to the first heating wire or the second heating wire through the rivet.

[0014] In summary, the present application includes at least one of the following beneficial technical effects:

[0015] 1. In the present application, by setting a fixing slot and a fixing hole on the fixed bottom shell, during installation, the upper end of the first fixing plate or the second fixing plate can be first inserted into the fixing slot, and then the first fixing plate or the second fixing plate can be pushed to make it inserted into the fixing hole, which is convenient for fixation, and the first fixing plate or the second fixing plate can be fixed by the fixing hole in the vertical direction to avoid movement, thereby ensuring a tight connection.

[0016] 2. By arranging a first insulation tube on the outside of the fixed bottom shell, the temperature of the fixed bottom shell is prevented from being too high and affecting its use. At the same time, a fixing slot and a fixing hole are arranged on the first insulation tube, which is convenient for installation and has a good insulation effect. By arranging a second insulation tube on the outside of the second heating wire, the internal second heating wire can be protected and the outer heating core installation structure can be provided with insulation protection.

[0017] 3. By providing connecting parts at the upper and lower ends of the first fixing plate and the second fixing plate and providing arc-shaped protrusions on the connecting parts, it is convenient to connect with the fixing slot and the fixing hole, and the arc-shaped protrusion can ensure a tight connection to avoid loosening; by providing tooth-shaped protrusions on the first fixing plate and the second fixing plate, it is convenient to install and wind the first heating wire and the second heating wire, and combined with the U-shaped corrugation or V-shaped corrugation provided on the heating wire, it is prevented that the electric heating wire becomes soft and loose after being heated.

[0018] 4. By arranging the rivet on the first fixing plate or the second fixing plate, it is convenient to install the first heating wire and the second heating wire, and it is also convenient to install components such as the temperature control switch, the fuse and thermistor. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the heating core in a preferred embodiment of the present application.

[0020] Figure 2 It is an exploded view of the heating core in the preferred embodiment of the present application.

[0021] Figure 3 It is a structural schematic diagram of the first fixed plate in a preferred embodiment of the present application.

[0022] Figure 4 It is a structural schematic diagram of the second fixing plate in a preferred embodiment of the present application.

[0023] Explanation of the accompanying drawings: 1. Fixed bottom shell; 2. First fixed plate; 3. Second fixed plate; 4. First heating wire; 5. Second heating wire; 6. Fixed slot; 7. Fixed hole; 8. First insulation tube; 9. Second insulation tube; 10. Riveted part; 11. Temperature control switch; 12. Blown fuse; 13. Thermistor. DETAILED DESCRIPTION

[0024] The present application is further described in detail below in conjunction with the accompanying drawings.

[0025] The embodiment of the present application discloses a high-power hair dryer heating core.

[0026] Reference Figures 1 to 4, a high-power hair dryer heating core, including a fixed bottom shell 1, the fixed bottom shell 1 is cylindrical and a first insulation tube 8 is arranged on the outer side of the fixed bottom shell 1, the first insulation tube 8 is bonded to the fixed bottom shell 1, the upper and lower ends of the first insulation tube 8 are arranged beyond the fixed bottom shell 1, and the exceeding parts of the upper and lower ends of the first insulation tube 8 are respectively provided with a fixing card slot 6 and a fixing hole 7, the fixing card slot 6 and the fixing hole 7 are uniformly arranged along the circumference of the first insulation tube 8, and the fixing card slots 6 and the fixing holes 7 of the same angle are located, the first insulation tube 8 is circumferentially provided with a first fixing plate 2 and a second fixing plate 3, and the first fixing plate 2 and the second fixing plate 3 are arranged at intervals, the upper and lower ends of the first fixing plate 2 and the second fixing plate 3 can be inserted into the fixing card slot 6 and the fixing hole 7, the first fixing plate 2 and the second fixing plate 3 are respectively wound with a first heating wire 4 and a second heating wire 5, the outer side of the second heating wire 5 is provided with a second insulation tube 9, the first fixing plate 2, the second fixing plate 3, the first insulation tube 8 and the second insulation tube 9 are all made of mica.

[0027] Reference Figures 2 to 4 The first fixing plate 2 and the second fixing plate 3 are both vertically arranged rectangular plate-like structures, and the upper and lower ends of the first fixing plate 2 and the second fixing plate 3 are provided with connecting parts, and the connecting parts are provided with arc-shaped protrusions and are connected to the fixing slots 6 and the fixing holes 7 through the arc-shaped protrusions. The middle outer sides of the first fixing plate 2 and the second fixing plate 3 are provided with a plurality of tooth-like protrusions, and the first heating wire 4 and the second heating wire 5 are respectively connected to the tooth-like protrusions. A notch for the first heating wire 4 to pass through is provided on the inner side of the middle part of the second fixing plate 3, and the first heating wire 4 and the second heating wire 5 are provided with U-shaped corrugations or V-shaped corrugations, which can be stuck on the tooth-like protrusions on the first fixing plate 2 and the second fixing plate 3.

[0028] Reference Figure 3 and Figure 4 A rivet 10 is provided on the first fixed plate 2 or the second fixed plate 3. The rivet 10 is a metal sleeve passing through the first fixed plate 2 or the second fixed plate 3. One side of the rivet 10 is connected to the first heating wire 4 or the second heating wire 5, and the other side of the rivet 10 is connected to a wire. The first heating wire 4 and the second heating wire 5 are electrically connected. There are multiple rivets 10, and a temperature control switch 11 is provided between two rivets 10. A fusible fuse 12 and a thermistor 13 are connected to the first heating wire 4 or the second heating wire 5. The fusible fuse 12 and the thermistor 13 are electrically connected to the first heating wire 4 or the second heating wire 5 through the rivet 10. Specifically, in this example, only rivets 10 are provided on the first fixed plate 2 and the second fixed plate 3.

[0029] The implementation principle is: the present application sets a fixing slot 6 and a fixing hole 7 on the fixed bottom shell 1. During installation, the upper end of the first fixing plate 2 or the second fixing plate 3 can be first inserted into the fixing slot 6, and then the first fixing plate 2 or the second fixing plate 3 can be pushed to be inserted into the fixing hole 7, which is convenient for fixed installation, and the first fixing plate 2 or the second fixing plate 3 can be clamped and fixed by the fixing hole 7 in the vertical direction to avoid movement, thereby ensuring a tight connection.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high-power hair dryer heating core, characterized in that: The invention comprises a fixed bottom shell (1), wherein a first fixed plate (2) and a second fixed plate (3) are arranged circumferentially on the fixed bottom shell (1), and the first fixed plate (2) and the second fixed plate (3) are arranged at intervals, and a first heating wire (4) and a second heating wire (5) are respectively wound around the first fixed plate (2) and the second fixed plate (3), and a plurality of fixed slots (6) are arranged circumferentially on the upper end of the fixed bottom shell (1), and a fixed hole (7) is arranged on the lower end of the fixed bottom shell (1), and the upper and lower ends of the first fixed plate (2) and the second fixed plate (3) can be inserted into the fixed slots (6) and the fixed holes (7).

2. A high-power hair dryer heating core according to claim 1, characterized in that: The fixed bottom shell (1) is cylindrical, and a first heat insulating tube (8) is arranged on the outside of the fixed bottom shell (1). The upper and lower ends of the first heat insulating tube (8) extend beyond the fixed bottom shell (1), and the extending portion is provided with the fixing slot (6) and the fixing hole (7).

3. A high-power hair dryer heating core according to claim 2, characterized in that: A second thermal insulation tube (9) is arranged on the outer side of the second heating wire (5); the first fixing plate (2), the second fixing plate (3), the first thermal insulation tube (8) and the second thermal insulation tube (9) are all made of mica material.

4. A high-power hair dryer heating core according to claim 1, characterized in that: The first fixing plate (2) and the second fixing plate (3) are both vertically arranged rectangular plate-shaped structures. The upper and lower ends of the first fixing plate (2) and the second fixing plate (3) are both provided with connecting parts. The connecting parts are provided with arc-shaped protrusions and are connected to the fixing slots (6) and the fixing holes (7) through the arc-shaped protrusions. The middle outer sides of the first fixing plate (2) and the second fixing plate (3) are both provided with a plurality of tooth-shaped protrusions, and the tooth-shaped protrusions are respectively connected to the first heating wire (4) and the second heating wire (5). The middle inner side of the second fixing plate (3) is provided with a notch for the first heating wire (4) to pass through.

5. A high-power hair dryer heating core according to claim 4, characterized in that: The first heating wire (4) and the second heating wire (5) are provided with U-shaped corrugations or V-shaped corrugations, and the U-shaped corrugations or V-shaped corrugations can be stuck on the tooth-shaped protrusions on the first fixing plate (2) and the second fixing plate (3).

6. A high-power hair dryer heating core according to claim 1, characterized in that: A rivet (10) is provided on the first fixing plate (2) or the second fixing plate (3); the rivet (10) is a metal sleeve that passes through the first fixing plate (2) or the second fixing plate (3); one side of the rivet (10) is connected to the first heating wire (4) or the second heating wire (5); the other side of the rivet (10) is connected to a wire; the first heating wire (4) and the second heating wire (5) are electrically connected.

7. A high-power hair dryer heating core according to claim 6, characterized in that: There are a plurality of riveted parts (10), wherein a temperature control switch (11) is provided between two riveted parts (10).

8. A high-power hair dryer heating core according to claim 6, characterized in that: The first heating wire (4) or the second heating wire (5) is connected to a fusible fuse (12) and a thermistor (13); the fusible fuse (12) and the thermistor (13) are electrically connected to the first heating wire (4) or the second heating wire (5) through the rivet (10).

Images