CN219589160U - Heating wire fixing frame for rear air intake and blower - Google Patents

Abstract

The utility model discloses a heating wire fixing frame for rear air intake, which comprises a heating frame outer cylinder, wherein a heating frame inner cylinder is arranged in the heating frame outer cylinder, a plurality of mica sheets are arranged between the heating frame outer cylinder and the heating frame inner cylinder, and the mica sheets are used for fixing heating wires; the inner cylinder of the heating frame is internally inserted with a fixing piece, the fixed end of the fixing piece extends out of the inner cylinder of the heating frame, the outer wall of the fixed end is a conical surface, and the diameter of the right end face of the conical surface is smaller than that of the left end face. According to the technical scheme, the center of the heating component is provided with the hollow conical fixing piece, the terminal of the motor can be hidden at the hollow position, the wind of the motor is led into the heating wires around along the conical surface and then is directly discharged from the air outlet, so that the wind resistance is smaller, the wind quantity is more concentrated, the wind pressure is large, and the noise is small.

Description

Heating wire fixing frame for rear air intake and blower

Technical Field

The utility model relates to the technical field of blowers, in particular to a heating wire fixing frame for rear air intake and a blower.

Background

Patent number "2022214564052" discloses a high-speed hair-dryer of quick air-out, and referring to fig. 9 of this patent specification attached hereto, it can be known that the existing heater mount is a urceolus and a plurality of mica sheets, then fixed heater on the mica sheet, and the windage that this kind of layout structure when in actual use, the wind that motor blown out is great, leads to the noise grow.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a heating wire fixing frame for rear air intake.

The utility model is realized by the following technical scheme:

the heating wire fixing frame for rear air intake comprises a heating frame outer cylinder, wherein a heating frame inner cylinder is arranged in the heating frame outer cylinder, a plurality of mica sheets are arranged between the heating frame outer cylinder and the heating frame inner cylinder, and the mica sheets are used for fixing heating wires;

the inner cylinder of the heating frame is internally inserted with a fixing piece, the fixed end of the fixing piece extends out of the inner cylinder of the heating frame, the outer wall of the fixed end is a conical surface, and the diameter of the right end face of the conical surface is smaller than that of the left end face.

The utility model is further provided with: the conical surface is also provided with a notch which is used for leading wires.

The utility model is further provided with: the mounting is hollow, the inside of stiff end still has the mounting groove, the mounting groove is used for fixed motor.

A hair dryer comprises a heating wire fixing frame for rear air intake.

The utility model discloses a heating wire fixing frame for rear air intake, which is compared with the prior art:

according to the technical scheme, the center of the heating component is provided with the hollow conical fixing piece, the terminal of the motor can be hidden in the mounting groove, wind of the motor is led into heating wires around along the conical surface and then is directly discharged from the air outlet, so that wind resistance is smaller, wind quantity is more concentrated, wind pressure is high, and noise is low; the conical surface of the fixing piece is provided with a notch, and a motor wire can be led out from the notch; and the power line and the temperature sensor line on the heating frame can be led out from the hollow heating wire fixing frame, so that the wire harness is tidier, the wind resistance is reduced, and the noise is reduced.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a side view of the present utility model.

Fig. 3 is a schematic structural view of the fixing member of the present utility model.

Fig. 4 is a schematic view of an assembled motor and fan blade of the present utility model.

Fig. 5 is a cross-sectional view of fig. 4.

Corresponding part names are indicated by numerals and letters in the drawings:

wherein: 1. an outer cylinder of the heating frame; 2. an inner cylinder of the heating frame; 3. mica sheets; 4. a fixing member; 41. a fixed end; 42. a conical surface; 43. a notch; 44. a mounting groove; 45. a connecting piece; 46. and a connecting groove.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1 to 5, a heating wire fixing frame for back air intake comprises a heating frame outer cylinder 1, wherein a heating frame inner cylinder 2 is arranged in the heating frame outer cylinder 1, a plurality of mica sheets 3 are arranged between the heating frame outer cylinder 1 and the heating frame inner cylinder 2, and the mica sheets 3 are used for fixing heating wires; the fixing piece 4 is inserted in the heating frame inner cylinder 2, the fixing end 41 of the fixing piece 4 extends out of the heating frame inner cylinder 2, the outer wall of the fixing end 41 is a conical surface 42, and the diameter of the right end surface of the conical surface 42 is smaller than that of the left end surface.

In the above technical scheme, by adopting the conical surface 42 on the fixed end 41 of the fixing piece 4, taking the angle of fig. 5 as an example, the motor drives the fan blade to rotate, and the fan blade blows air to the left side, the arrangement of the conical surface 42 can guide the air, and the air of the motor is led into the heating wires around along the conical surface and then is directly discharged from the air outlet, so that the air resistance is smaller, the air quantity is more concentrated, the air pressure is large, and the noise is small.

Referring to fig. 3, the tapered surface 42 further has a notch 43, and the notch 43 is used for the lead.

In the above technical scheme, the notch 43 is arranged, the motor lead wire can be led out from the notch 43, and the power wire and the temperature sensor wire on the heating frame can be led out from the hollow fixing piece, so that the wire harness is tidier, wind resistance is reduced, and noise is reduced.

Referring to fig. 3, the fixing member 4 is hollow, and the fixing end 41 further has a mounting groove 44 therein.

In the above technical solution, the mounting groove 44 may be configured to hide the terminal of the motor in a hollow position, and may also hide the lead, so that the assembly is more convenient, and the structure is more compact.

As a further extension of the present technical solution, as shown in fig. 2 and fig. 3 in detail, the outer wall of the lower portion of the fixing member 4 is uniformly protruded with a plurality of connecting members 45, and a connecting slot 46 is formed at the connecting member 45; the side wall of the heating frame inner cylinder 2 is provided with a through hole corresponding to the connecting groove 46; it is worth noting that the outer side surface of the mica sheet 3 is fixed with the outer cylinder 1 of the heating frame, the upper end and the lower end of the inner side surface of the mica sheet 3 are both protruded with convex blocks, and the convex blocks penetrate through the through holes on the inner cylinder 2 of the heating frame and are inserted into the connecting grooves 46, so that the fixation of the mica sheet 3 is realized.

A hair dryer comprises a heating wire fixing frame for rear air intake.

It should be noted that the heating frame outer cylinder 1 and the heating frame inner cylinder 2 may be cylindrical structures rolled by mica sheets.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

It should be noted that in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims (4)

1. The heating wire fixing frame for rear air intake is characterized by comprising a heating frame outer cylinder (1), wherein a heating frame inner cylinder (2) is arranged inside the heating frame outer cylinder (1), a plurality of mica sheets (3) are arranged between the heating frame outer cylinder (1) and the heating frame inner cylinder (2), and the mica sheets (3) are used for fixing electric heating wires;

the heating rack is characterized in that a fixing piece (4) is inserted into the heating rack inner cylinder (2), a fixed end (41) of the fixing piece (4) extends out of the heating rack inner cylinder (2), the outer wall of the fixed end (41) is a conical surface (42), and the diameter of the right end face of the conical surface (42) is smaller than that of the left end face.

2. The heating wire fixing frame for rear air intake according to claim 1, wherein: the conical surface (42) is also provided with a notch (43), and the notch (43) is used for leading wires.

3. The heating wire fixing frame for rear air intake according to claim 1, wherein: the fixing piece (4) is hollow, and an installation groove (44) is formed in the fixing end (41).

4. A hair dryer comprising a heater fixture for back air intake as claimed in any one of claims 1 to 3.