Drying heating frame of clothes dryer

Abstract

The utility model discloses a drying and heating frame of a clothes dryer, relates to the technical field of drying and heating frames, and provides the following scheme aiming at the problems of less space utilization, non-uniform heating, no internal fuse and temperature controller protection, and insufficient electric conduction and safety of a hardware shell in the prior art: the drying and heating frame comprises a heating wire group, the heating wire group comprises an eyelet, three heating frames, mica fixing strips, a temperature controller, a fuse, a first lead and a second lead, each heating frame comprises a mica fixing strip, a mica supporting plate and a heating wire, the mica fixing strips are placed at the two ends above the mica supporting plate, the heating wire is spirally wound on the mica supporting plate, and the temperature controller is arranged on the heating wire. According to the utility model, the structure is novel, the heating wire is spiral, the distribution of the heating wire is uniform, the space utilization rate is high, and the heating is uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of drying and heating racks, in particular to a drying and heating rack for a clothes dryer. Background Art

[0002] Conventional clothes drying heating elements are supported by mica plates in the middle, with heating wires distributed in the middle in a spring-like shape, fixed in shape by a metal shell, and mica plates are installed on the upper and lower sides of the metal shell for insulation and heat insulation. However, when using this heating rack, the heating wire is in a spring-like shape, which is easy to accumulate heat, has little space utilization, and produces uneven heat. There is no fuse or thermostat protection inside, and the metal shell is conductive, which is not safe enough and has a large size. Utility Model Content

[0003] The utility model provides a drying and heating rack for a clothes dryer, which solves the existing problems.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a drying heating rack of a clothes dryer, comprising a heating wire group, left and right insulation plates, a fixing plate, front and rear insulation plates, an upper insulation plate, a lower insulation plate, and eyelets, the heating wire group comprising eyelets, three heating racks, a mica fixing strip, a thermostat, a fuse, a first lead, and a second lead, the heating rack comprising a mica fixing strip, a mica support plate and a heating wire, two of the mica support plates are vertically arranged in a group of three, and mica fixing strips are placed at both ends above the three lower mica support plates, the heating wire is spirally wound on the mica support plate, and the first lead and the second lead are respectively arranged at both ends of the heating wire to be connected to the thermostat and the fuse.

[0005] Preferably, the mica fixing strip has a thickness of T1.0 mm and is in a long main shape, and three circular rivet holes are evenly distributed in the middle of the mica fixing strip. The circular rivet holes at both ends of the mica support plate in the heating frame are aligned with the circular rivet holes at the upper end of the mica fixing strip and fixed with eyelets.

[0006] Preferably, one end of the heating wire in the heating rack is connected to a fuse, the fuse is trapezoidal, the fuse is centrally placed on one side of the heating rack, and the other end of the heating wire is connected to a thermostat, which is placed between the upper and lower mica support plates of the heating wire.

[0007] Preferably, there are three heating racks, namely A, B and C. One end of the heating wire of the heating rack A is connected to the fuse, and the other end of the heating wire of A is connected to the first lead. One end of the heating wire of B is connected to the thermostat, and the other end of the heating wire of B is connected to the second lead. One end of the heating wire of C is connected to the thermostat, and the other end is connected to the fuse.

[0008] Preferably, the mica support plate in the heating frame is a rectangular sheet structure with a thickness of T0.8mm, and V-shaped grooves are evenly distributed on the two longer sides of the mica support plate with a groove spacing of 1.6mm. Circular riveting holes are opened at both ends of the mica support plate, and the distance between two vertically distributed mica support plates is 14mm.

[0009] Preferably, the left and right insulation boards are rectangular in shape, with six square slots evenly distributed in the middle of the left and right insulation boards, two slots are opened in the middle of the upper and lower parts, two positioning slots are opened in the upper and lower parts of one side, two arcs are protruded on the left and right sides, a slot is set on each side of the arc, a round hole is opened in the middle of the arc, and the left and right ends of the mica support plate are aligned with the square slots in the middle of the left and right insulation boards.

[0010] Preferably, the upper heat insulation plate is rectangular in shape, with square grooves provided at both ends of the upper heat insulation plate, and a circular hole is opened on one side of the square groove; the lower heat insulation plate is rectangular in shape, with square grooves provided at both ends; the front and rear heat insulation plates are rectangular in shape, with two square grooves provided at both ends, and thirteen 2.7 mm grooves are evenly distributed in the middle.

[0011] Preferably, the fixing plate is in a rectangular shape, with six square slots evenly distributed in the middle, two slots centered on the upper and lower sides, two arc-shaped protrusions on both sides of the fixing plate, a circular hole in the middle, and a long slot on each edge of the fixing plate, and the long slots are aligned with the mica support plate in the heating wire group.

[0012] The beneficial effects of the utility model are as follows: the present invention provides a device with three sets of heating wires connected in series internally, the heating wires are spiral-shaped, the heating wires are evenly distributed, the space utilization rate is high, the heating is even, thermostats and fuses are installed on both sides of the interior for protection, the outer shape is fixed with a mica board for insulation and heat insulation, the overall shape of the heating body has no conductors and metal parts, the safety factor is high, and the volume is small. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 This is a structural breakdown diagram of the utility model.

[0015] Figure 3 This is a schematic diagram of the disassembled structure of the utility model from another viewing angle.

[0016] Figure 4 It is a schematic diagram of the heating wire group of the utility model.

[0017] Figure 5 This is a circuit schematic diagram of the utility model.

[0018] Numbers in the figure: 1. Heating wire group; 2. Left and right insulation boards; 3. Fixed plate; 4. Front and rear insulation boards; 5. Upper insulation board; 6. Lower insulation board; 7. Eyelets; 8. Heating rack; 9. Mica fixing strip; 10. Thermostat; 11. Fuse; 12. First lead; 13. Second lead; 14. Mica support plate; 15. Heating wire. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 5 A clothes dryer heating rack comprises a heating wire group 1, left and right heat insulation plates 2, a fixing plate 3, front and rear heat insulation plates 4, an upper heat insulation plate 5, a lower heat insulation plate 6, and eyelets 7. The heating wire group 1 comprises eyelets 7, three heating racks 8, a mica fixing strip 9, a thermostat 10, a fuse 11, a first lead 12, and a second lead 13. The heating rack 8 comprises a mica fixing strip 9, a mica support plate 14, and a heating wire 15. Two mica support plates 14 are vertically arranged in a group of three. Mica fixing strips 9 are placed at both ends above the three mica support plates 14 below. The heating wire 15 is spirally wound on the mica support plate 14, and the first lead 12 and the second lead 13 are respectively arranged at both ends of the heating wire 15 to connect to the thermostat 10 and the fuse 11. Reference Figure 2 The thickness of the mica fixing strip 9 is T1.0mm, and it is in the shape of a long main body. Three circular rivet holes are evenly distributed in the middle of the mica fixing strip 9. The circular rivet holes at both ends of the mica support plate 14 in the heating frame 8 are aligned with the circular rivet holes at the upper end of the mica fixing strip 9 and fixed with eyelets 7. The left and right insulation boards 2 are in a rectangular shape. Six square slots are evenly distributed in the middle of the left and right insulation boards 2. Two slots are opened in the middle of the upper and lower parts. Two positioning slots are opened in the upper and lower parts of one side. Two arcs protrude on the left and right sides, and a slot is set on each side of the arc. A circular hole is opened in the middle of the arc. The left and right ends of the mica support plate 14 are aligned with the square slots in the middle of the left and right insulation boards 2. The upper insulation board 5 is in a rectangular shape, and square slots are set at both ends of the upper insulation board 5. A circular hole is opened on one side of the groove, the lower insulation board 6 is rectangular in shape, with square grooves at both ends, the front and rear insulation boards 4 are rectangular in shape, with two square grooves at both ends, and thirteen 2.7mm grooves are evenly distributed in the middle, the fixed plate 3 is rectangular in shape, with six square grooves evenly distributed in the middle, and two grooves are centered on the upper and lower sides, two arcs protrude on both sides of the fixed plate 3, and a circular hole is provided in the middle, and a lower elongated groove is provided on each edge of the fixed plate 3, and the elongated grooves are aligned with the mica support plate 14 in the heating wire group 1, and the outer frame structure material is made of mica board, no powered components are exposed, the mica board has good high temperature resistance and insulation performance, high safety performance, the product size is 97*74*42mm, the volume is small, and the power reaches 1000W.

[0021] refer to Figure 4 , one end of the heating wire 15 in the heating frame 8 is connected to the fuse 11, the fuse 11 is trapezoidal, the fuse 11 is placed in the center of one side of the heating frame 8, the other end of the heating wire 15 is connected to the thermostat 10, the thermostat 10 is placed between the upper and lower mica support plates 14 of the heating wire 15, and the heating frame 8 is provided with three, namely A, B and C, one end of the heating wire 15 of the heating frame 8A is connected to the fuse 11, the other end of the A heating wire 15 is connected to the first lead 12, one end of the B heating wire 15 is connected to the thermostat 10, the other end of the B heating wire 15 is connected to the second lead 13, one end of the C heating wire 15 is connected to the thermostat 10, and the other end is connected to the fuse 11, the heating frame 8 The mica support plate 14 is a rectangular sheet structure with a thickness of T0.8mm, and V-shaped grooves are evenly distributed on the longer sides of the mica support plate 14, with a groove spacing of 1.6mm. Circular riveting holes are opened at both ends of the mica support plate 14, and the distance between two vertically distributed mica support plates 14 is fourteen mm. The heating wire 15 is spirally wound on the mica support plate 14, and the serrated notches on both sides of the mica support plate 14 are used to make the heating wire 15 evenly arranged, with a spacing of about 1.6mm, so that the heating is evenly heated. The heating wire 15 is made of nickel-chromium wire, which has strong corrosion resistance. Three groups of heating wires 15 are connected in series to fully utilize the space, and the surface load of the heating wire 15 is as low as 6.4W / cm 2 , the thermostat 10 and the fuse 11 are designed on both sides of the heating wire 15 for double protection.

[0022] Working principle: First, the heating wire 15 is spirally wound on the mica support plate 14 through the V-shaped grooves evenly distributed on both sides of the mica support plate 14. A circular riveting hole is respectively provided at both ends of the mica support plate 14 for fixing and aligning with the circular hole on the mica fixing strip 9. There are three groups of heating frames 8, namely A, B and C. One end of the A heating wire 15 is connected to the fuse 11. The fuse 11 is trapezoidal and placed in the center. The other end of the A heating wire 15 is connected to the first lead 12. The lead direction is inward and parallel to the edge of the mica board of the heating wire. One end of the B heating wire 15 is connected to the thermostat 10. The thermostat 10 is placed between the upper and lower mica support plates 14 of the heating wire 15A. The other end of the B heating wire 15 is connected to the second lead 13. The lead direction is parallel to the edge of the mica board of the heating wire. One end of the C heating wire 15 is connected to the thermostat 10, and the other end is connected to the fuse 11.

[0023] Align the left and right ends of the mica support plate 14 with the square groove in the middle of the left and right insulation plates 2, assemble, align the two circular holes on the upper insulation plate 5 with the first lead 12 and the second lead 13, and then pass the first lead 12 and the second lead 13 through the circular holes, align the two square grooves at both ends of the upper insulation plate 5 with the protruding parts of the lead side of the left and right insulation plates 2, assemble, align the two square grooves at both ends of the lower insulation plate 6 with the protruding parts of the lead-free side of the left and right insulation plates 2, assemble, align the square grooves at both ends of the front and rear insulation plates 4 with the protruding arcs of the left and right insulation plates 2, assemble, the fixing plate 3 is rectangular, and the six square grooves opened in the middle are aligned with the six mica support plates 14 in the heating wire group 1; a fixing plate 3 is assembled at each end of the left and right insulation plates 2, the front and rear insulation plates 4, the upper insulation plate 5, and the lower insulation plate 6.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A clothes dryer drying heating rack, comprising a heating wire group (1), left and right heat insulation plates (2), a fixing plate (3), front and rear heat insulation plates (4), an upper heat insulation plate (5), a lower heat insulation plate (6), and eyelets (7), characterized in that: The heating wire group (1) comprises an eyelet (7), three heating frames (8), a mica fixing strip (9), a thermostat (10), a fuse (11), a first lead (12), and a second lead (13); the heating frame (8) comprises a mica fixing strip (9), a mica support plate (14), and a heating wire (15); two of the mica support plates (14) are arranged vertically as a group of three; mica fixing strips (9) are placed at both ends of the upper three mica support plates (14); the heating wire (15) is spirally wound around the mica support plate (14); and the first lead (12) and the second lead (13) are respectively arranged at both ends of the heating wire (15) and connected to the thermostat (10) and the fuse (11).

2. A clothes dryer drying heating rack according to claim 1, characterized in that: The mica fixing strip (9) has a thickness of T1.0 mm and is in a long main shape. Three circular rivet holes are evenly distributed in the middle of the mica fixing strip (9). The circular rivet holes at both ends of the mica support plate (14) in the heating frame (8) are aligned with the circular rivet holes at the upper end of the mica fixing strip (9) and fixed by eyelets (7).

3. The drying heating rack of a clothes dryer according to claim 1, characterized in that: One end of the heating wire (15) in the heating frame (8) is connected to a fuse (11), the fuse (11) is in a trapezoidal shape, the fuse (11) is centrally placed on one side of the heating frame (8), and the other end of the heating wire (15) is connected to a thermostat (10), and the thermostat (10) is placed between the upper and lower mica support plates (14) of the heating wire (15).

4. The drying heating rack of a clothes dryer according to claim 1, characterized in that: The heating rack (8) is provided with three heating racks, namely A, B and C. One end of the A heating wire (15) of the heating rack (8) is connected to the fuse (11), and the other end of the A heating wire (15) is connected to the first lead (12). One end of the B heating wire (15) is connected to the temperature controller (10), and the other end of the B heating wire (15) is connected to the second lead (13). One end of the C heating wire (15) is connected to the temperature controller (10), and the other end is connected to the fuse (11).

5. The drying heating rack of a clothes dryer according to claim 1, characterized in that: The mica support plate (14) in the heating frame (8) is a rectangular sheet structure with a thickness of T0.8 mm, and V-shaped grooves are evenly distributed on the two longer sides of the mica support plate (14), with a groove spacing of 1.6 mm. Circular riveting holes are opened at both ends of the mica support plate (14), and the distance between two vertically distributed mica support plates (14) is 14 mm.

6. The drying heating rack of a clothes dryer according to claim 1, characterized in that: The left and right heat insulation boards (2) are rectangular in shape, with 6 square slots evenly distributed in the middle of the left and right heat insulation boards (2), 2 slots are opened in the middle of the upper and lower parts, two positioning slots are opened in the upper and lower parts of one side, two arcs are protruded on the left and right sides, one slot is set on each side of the arc, and a round hole is opened in the middle of the arc, and the left and right ends of the mica support plate (14) are aligned with the square slots in the middle of the left and right heat insulation boards (2).

7. The drying heating rack of a clothes dryer according to claim 1, characterized in that: The upper heat insulation board (5) is rectangular in shape, and is provided with square grooves at both ends of the upper heat insulation board (5), and a circular hole is opened on one side of the square groove. The lower heat insulation board (6) is rectangular in shape, and is provided with square grooves at both ends. The front and rear heat insulation boards (4) are rectangular in shape, and are provided with two square grooves at both ends, and thirteen 2.7 mm grooves are evenly distributed in the middle.

8. The drying heating rack of a clothes dryer according to claim 1, characterized in that: The fixing plate (3) is in a rectangular shape, with 6 square slots evenly distributed in the middle, and 2 slots centered at the top and bottom. Two arcs protrude from both sides of the fixing plate (3), and a round hole is provided in the middle. The edges of the fixing plate (3) are each provided with a long slot, and the long slots are aligned with the mica support plate (14) in the heating wire group (1).

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