CN115633836A - Hair drier and handle thereof - Google Patents

Abstract

A hair dryer and handle therefor are provided. The handle of the hair dryer comprises: a first housing; and the second casing, with first casing equipment together, second casing and first casing surround into motor installation cavity and wind channel, the one end in wind channel communicates with each other with the motor installation cavity, the other end opening is provided with the switch installation district on the lateral wall in wind channel, the internal surface in wind channel outside the switch installation district is smooth circular arc curved surface, promptly: the inner surface of the air duct outside the switch mounting area is free of concave-convex structures, so that the wind resistance of the inner surface of the air duct outside the switch mounting area can be better reduced, and the purpose of further improving the blowing experience of low noise and high wind speed of the blower can be achieved.

Description

A hair dryer and its handle

technical field

The invention relates to the field of electrical equipment, in particular to a handle of a hair dryer and a hair dryer.

Background technique

Hair dryers have become an indispensable product in daily life, and people's quality requirements for hair dryers are also constantly improving. At present, high-end hair dryers on the market usually have the characteristics of low noise, high wind speed, stable temperature, negative ions, etc. These characteristics bring people a very good hair blowing experience.

The related art provides a hair dryer, as shown in Figures 1 to 3, comprising a main body and a handle connected to the main body, the handle includes a first housing 10 and a second housing 20, and the first housing 10 faces one end of the main body The outer surface is provided with a sinking groove 11 which is concave and convex inside, and a switch 60 is arranged in the sinking groove 11. One end of the second housing 20 facing the main body is provided with a matching ring 21, and the handle is connected to the main body through the matching ring 21, and the sinking The side wall of the groove 11 facing the mating ring 21 is clearance-fitted with the mating ring 21, and the clearance is a. In addition, the first housing 10 and the second housing 20 enclose a motor installation chamber 40 and an air duct 50, the motor 30 is installed in the motor installation chamber 40, the motor installation chamber 40 and the air duct 50 are sequentially arranged in the axial direction of the handle, The inner surface of the second housing 20 is provided with a recessed part 22, and a through hole is provided in the recessed part 22. The outer surface of the first housing 10 is provided with a protruding part 12, and the protruding part 12 is provided with a screw hole. Through the through hole and tightened in the screw hole, the first housing 10 and the second housing 20 are assembled together.

How to further improve the performance of this hair dryer and better achieve low noise and high wind speed hair blowing experience has always been a technical problem to be solved by those skilled in the art.

Contents of the invention

In the hair dryer provided by the related art, the side wall of the air duct 50 outside the sinker 11 has a protrusion 12 and a recess 22, which causes the inner surface of the air duct 50 outside the sinker 11 to be uneven, which will undoubtedly increase The wind resistance during the wind blowing process in the air duct 50 causes the wind speed to decrease and the noise to increase during the wind blowing process in the air duct 50 . In addition, the side wall of the sinker 11 facing the fitting ring 21 is clearance-fitted with the fitting ring 21, and the gap is a, so there is a problem of air leakage.

The main purpose of the present invention is to provide a handle of a hair dryer, which can further improve the hair blowing experience of the hair dryer with low noise and high wind speed.

The invention also provides a hair dryer.

In order to achieve the above object, the handle of the hair dryer proposed by the embodiment of the present invention includes: a first housing; and a second housing assembled with the first housing, the second housing and the first housing The casing encloses a motor installation chamber and an air duct, one end of the air duct communicates with the motor installation chamber and the other end is open, a switch installation area is provided on the side wall of the air duct, and the outside of the switch installation area The inner surface of the air duct is a smooth arc surface.

In an exemplary embodiment, the arc-shaped surface is a cylindrical surface.

In an exemplary embodiment, one of the first housing and the second housing is provided with a buckle, and the other is provided with a buckle, and the buckle is locked on the buckle.

In an exemplary embodiment, the buckle is a hook, and the hook protrudes from the end surface of the first shell facing the second shell, and the buckle is a hook The slot is located on the outer surface of the second shell facing one end of the first shell.

In an exemplary embodiment, the buckles and the buckles include multiple sets.

In an exemplary embodiment, the side wall of the air duct is provided with a sealing coating layer, the first shell and the second shell form a butt joint at the air duct, the A sealing wrap seals the butt seam.

In an exemplary embodiment, a fitting ring is formed at one end of the first casing, and an end of the second casing facing the fitting ring is plug-fitted with the fitting ring, and the opening is connected to the fitting ring. Connect with the ring.

In an exemplary embodiment, one of the mating ring and the second housing is provided with an insertion rib, and the other is provided with a slot, and the insertion rib is plug-fitted with the slot.

In an exemplary embodiment, the inserting rib is a semicircular rib, and the semicircular rib is located on the end surface of the second housing facing the end of the mating ring, and the slot is A semicircular groove, the semicircular groove is located on the end surface of the matching ring facing the end of the second housing.

In an exemplary embodiment, the side wall of the first housing is provided with a sunken groove with an outer concave and an inner convex, the switch installation area includes the sunken groove, and the sunken groove is installed toward the motor. The outer surface at one end of the cavity is an inclined wind guiding surface.

The hair dryer provided by the embodiment of the present invention includes a main body and a handle of the hair dryer described in any one of the above-mentioned embodiments, the main body is provided with a mounting part, the handle is mounted on the mounting part, the opening and the main body internal connectivity.

In the technical solution of the present invention, the second housing and the first housing enclose the motor installation chamber and the air duct, one end of the air duct communicates with the motor installation chamber, and the other end is open, and the side wall of the air duct is provided with a switch installation area, the switch The installation area is used to arrange the switches. The inner surface of the air duct outside the switch installation area is a flat arc surface, that is, the inner surface of the air duct outside the switch installation area has no concave-convex structure, which can better reduce the switch installation. The wind resistance of the inner surface of the air duct outside the area can achieve the purpose of further improving the hair blowing experience of the hair dryer with low noise and high wind speed.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative effort.

Fig. 1 is a schematic diagram of the front structure of the handle of the hair dryer described in the related art;

Fig. 2 is a schematic diagram of the A-A sectional structure of the handle shown in Fig. 1;

Fig. 3 is a B-B sectional structural schematic diagram of the handle shown in Fig. 1;

Fig. 4 is a front structural schematic view of the handle of the hair dryer according to Embodiment 1 of the present invention;

Fig. 5 is a D-D sectional structural schematic diagram of the handle shown in Fig. 4;

Fig. 6 is a schematic diagram of the three-dimensional structure of the first housing in Fig. 4;

FIG. 7 is a schematic perspective view of the second housing in FIG. 4 .

Wherein, the corresponding relationship between reference numerals and component names in Fig. 1 to Fig. 3 is:

10 first housing, 11 sinker, 12 protruding part, 20 second housing, 21 matching ring, 22 recessed part, 30 motor, 40 motor installation cavity, 50 air duct, 60 switch.

The corresponding relationship between reference numerals and part names in Fig. 4 to Fig. 7 is:

100 first shell, 110 sinker, 120 hook, 130 matching ring, 140 slot, 150 air guide surface, 160 lug, 200 second shell, 210 card slot, 220 rib, 300 motor installation cavity, 400 ducts, 500 switches, 600 sealed cladding.

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

In addition, in the present invention, descriptions such as "first", "second" and so on are used for description purposes only, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise specified and limited, the terms "connection" and "fixation" should be understood in a broad sense, for example, "fixation" can be a fixed connection, a detachable connection, or an integral body; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In addition, the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered as a combination of technical solutions. Does not exist, nor is it within the scope of protection required by the present invention.

Fig. 1 is a front structural diagram of a handle of a hair dryer described in the related art. Fig. 2 is a schematic diagram of the A-A sectional structure of the handle shown in Fig. 1 . Fig. 3 is a B-B sectional structural schematic diagram of the handle shown in Fig. 1 .

As shown in Figures 1 to 3, in the blower provided by the related art, the side wall of the air duct 50 outside the sinker 11 has a protrusion 12 and a recess 22, resulting in the air duct 50 outside the sinker 11 The inner surface is uneven, which will undoubtedly increase the wind resistance during the blowing process of the wind in the air duct 50 , resulting in a decrease in wind speed and an increase in noise during the blowing process of the wind in the air duct 50 . In addition, the side wall of the sinker 11 facing the fitting ring 21 is clearance-fitted with the fitting ring 21, and the gap is a, so there is a problem of air leakage.

Embodiment one

Fig. 4 is a schematic front structural view of the handle of the hair dryer according to the first embodiment of the present invention. Fig. 5 is a schematic diagram of the D-D sectional structure of the handle shown in Fig. 4 . FIG. 6 is a schematic perspective view of the first housing in FIG. 4 . FIG. 7 is a schematic perspective view of the second housing in FIG. 4 .

The handle of the hair dryer provided by the embodiment of the present invention, as shown in FIGS. 4 to 7 , includes a first housing 100 and a second housing 200 . The second housing 200 is arranged to be assembled with the first housing 100, and a motor installation chamber 300 and an air duct 400 are enclosed between the second housing 200 and the first housing 100, and the motor installation chamber 300 and the air duct 400 are in the The shafts of the handles are arranged sequentially upwards. The motor installation cavity 300 is used for installing a motor, and a fan blade is installed on a rotating shaft of the motor. One end of the air duct 400 is set to communicate with the motor installation cavity 300 , and the other end is set to have an opening, and the opening is used to communicate with the main body of the hair dryer to blow air into the main body. Furthermore, the side wall of the air duct 400 is provided with a switch installation area for arranging the switch 500, and the inner surface of the air duct 400 outside the switch installation area is set as a flat arc surface.

The handle of the hair dryer, the second housing 200 and the first housing 100 jointly enclose a motor installation cavity 300 and an air duct 400, one end of the air duct 400 is set to communicate with the motor installation cavity 300, and the other end is set to have an opening, the air duct The side wall of 400 is set to have a switch installation area, the switch installation area is used to arrange the switch 500, the inner surface of the air duct 400 in the area outside the switch installation area is set as a flat arc surface, that is: the area outside the switch installation area The inner surface of the air duct 400 has no concave-convex structure, which can better reduce the wind resistance of the inner surface of the air duct 400 outside the switch installation area, and further improve the low-noise, high-speed hair blowing experience of the hair dryer. .

In an exemplary embodiment, an air inlet is provided on the side of the motor installation cavity 300 on the handle facing away from the air duct 400 , the motor drives the fan blades to rotate, and the outside air enters the handle from the air inlet, and then passes through the opening along the air duct 400 into the subject. The fan blade can be located between the motor and the air inlet, or the fan blade can be located between the motor and the opening. All of the above can achieve the purpose of the present invention, and its purpose does not depart from the design concept of this application. Should belong to the scope of protection of this application.

In an exemplary embodiment, as shown in FIG. 4 to FIG. 7 , the arc surface is set as a straight cylindrical surface, and the wind resistance of the inner surface of the air duct 400 outside the switch installation area is smaller.

In an exemplary embodiment, as shown in FIGS. 5 to 7 , one of the first housing 100 and the second housing 200 is configured to have a buckle, and the other is configured to have a buckle. The buckle and the buckle The clamping connection realizes the fixing of the first housing 100 and the second housing 200 together, and this connection method is more convenient.

For example, as shown in FIG. 5 to FIG. 7 , the buckle is configured as a hook 120 , and the hook 120 is configured to protrude on the end surface of the first housing 100 facing the side of the second housing 200 , and the buckle is set as The card slot 210, the card slot 210 is located on the outer surface of the second housing 200 facing one end of the first housing 100, the matching structure of the hook 120 and the card slot 210 can ensure the air passage in the area outside the switch installation area The inner surface of 400 is a flat cylindrical surface.

Of course, it is also possible that the buckle is set as a hook, the hook is set on the outer surface of the second shell facing one end of the first shell, the buckle is set as a slot, and the slot is set to protrude toward the second shell. On the end face of the first housing on the side of the second housing, the matching structure of the hook and the groove can also achieve the purpose of this application, and its purpose does not depart from the design concept of the present invention, so it will not be repeated here, and should belong to within the protection scope of this application.

It can be, as shown in FIGS. 5 to 7 , that the hooks 120 and the slots 210 are symmetrically arranged in two groups; or that the hooks and the slots are in three or five groups, etc., so that the first housing and the After the two housings are assembled, the structure is more stable and the connection strength is better; or, the hooks and the slots can be symmetrically arranged in four groups, six groups or eight groups, etc., and those skilled in the art can make reasonable settings according to needs.

In an exemplary embodiment, as shown in FIG. 6 and FIG. 7 , a sealing coating layer 600 is provided on the side wall of the air duct 400 (the first housing 100 and the second housing 200 are both provided with a sealing coating layer 600 ). Layer 600), the opposite side of the first housing 100 and the second housing 200 is formed with a butt joint at the air duct 400, and the sealing coating layer 600 seals the butt joint to prevent air leakage at the butt joint, which can be more Ensure the wind speed of the wind in the air duct 400 well. Wherein, both the first housing 100 and the second housing 200 are provided with a sealing coating layer 600 .

For example, the sealing coating layer 600 can be set as a silicone coating layer or a rubber coating layer made by a two-color injection molding process, all of which can achieve the purpose of the present invention, and its purpose does not deviate from the design idea of this application. No more details are given, and all should belong to the protection scope of the present application.

In an exemplary embodiment, as shown in FIGS. The opening is configured to communicate with the mating ring 130. That is, a part of the mating ring 130 is connected with the first housing 100 , and the other part is plug-fitted with one end of the second housing 200 facing the mating ring 130 , so that the second housing 200 and the mating ring 130 are more difficult to connect. Leakage. In addition, the side wall of the main body is provided with a mounting portion, the handle is fixedly mounted on the mounting portion through the fitting ring 130 , and the opening communicates with the interior of the main body through the fitting ring 130 .

It can be that the fitting ring is fixed on the installation part by screws; or it can be that the fitting ring is snapped on the installation part, etc.; all of the above can achieve the purpose of the present invention, and its purpose does not depart from the design idea of the application. No more details are given, and all should belong to the protection scope of the present application.

It may be that, as shown in FIGS. 5 to 7 , the fitting ring 130 is provided with a slot 140, and the second housing 200 is provided with an insertion rib 220, and the insertion rib 220 is inserted into the slot 140; The ring is provided with inserting ribs, the second housing is provided with slots, and the inserting ribs are inserted into the slots; all of the above can achieve the purpose of the present invention, and its purpose does not depart from the design concept of this application, so it will not be repeated here , should fall within the scope of protection of this application.

For example, as shown in FIGS. 5 to 7, the inserting rib 220 is set as a semicircular rib, and the semicircular rib is set on the end face of the second housing 200 facing the end of the mating ring 130, and the slot 140 is set It is a semicircular groove, and the semicircular groove is set on the end surface of the matching ring 130 facing one end of the second housing 200 , so as to better prevent air leakage between the second housing 200 and the matching ring 130 .

In an exemplary embodiment, as shown in FIG. 4 to FIG. 6 , the side wall of the first housing 100 is provided with a sunken groove 110 , and the sunken groove 110 is concave and convex on the side wall of the first housing 100 , the switch 500 is installed in the sinker 110 , and the switch installation area is the sinker 110 . Moreover, the outer surface of the sunken groove 110 facing one end of the motor installation chamber 300 is set as an inclined air guide surface 150 , which can better reduce wind resistance and ensure that the wind blows more smoothly in the air duct 400 .

It can be, as shown in Figure 5 and Figure 6, that the wind guide surface 150 is set as an inclined plane; or it can be that the wind guide surface 150 is set as an inclined curved surface, etc.; all of the above can achieve the purpose of the present invention, and its purpose Not departing from the design concept of the present application, and will not be described in detail here, all should belong to the protection scope of the present application.

It may be that both the first housing 100 and the second housing 200 are made of plastic material, and its manufacturing cost is low; or it may be that both the first housing 100 and the second housing 200 are made of metal material, and its strength is relatively high. , more difficult to damage; above all can realize the purpose of the present invention, and its purpose does not deviate from the design idea of this application, will not go into details here, all should belong to the protection scope of this application.

Embodiment two

The hair dryer (not shown in the figure) that the embodiment of the present invention proposes, comprises main body and the handle of hair dryer described in any one of above-mentioned embodiments, is provided with installation part on the side wall of main body, and handle is installed on the installation part, and opening and main body internal connectivity.

The hair dryer has all the advantages of the handle of the hair dryer provided by any of the above-mentioned embodiments, which will not be repeated here.

Exemplarily, as shown in FIG. 4 and FIG. 5 , the handle is fixed on the mounting part through a fitting ring 130 , and the opening communicates with the interior of the main body through the fitting ring 130 .

It may be, as shown in FIG. 6 , that lugs 160 are provided on the mating ring 130, and the installation part is set as studs, and the screws pass through the lugs 160 and are screwed on the studs to realize the fixed connection between the handle and the main body; or it may be, The fitting ring 130 is provided with a hook head, and the installation part is set as a hanging hole, and the hook head is hooked on the hanging hole to realize the fixed connection between the handle and the main body; all of the above can achieve the purpose of the present invention, and its purpose does not deviate from the design concept of the application , which will not be described in detail here, all should belong to the protection scope of the present application.

To sum up, the handle of the hair dryer provided by the embodiment of the present invention, the second housing and the first housing enclose the motor installation cavity and the air duct, one end of the air duct communicates with the motor installation cavity, the other end is open, and the side of the air duct There is a switch installation area on the wall, and the switch installation area is used to arrange switches. The inner surface of the air duct outside the switch installation area is a flat arc surface, that is, the inner surface of the air duct outside the switch installation area has no concave-convex structure , so that the wind resistance of the inner surface of the air duct outside the switch installation area can be better reduced, and the purpose of further improving the blowing experience of the hair dryer with low noise and high wind speed can be achieved.

In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "another side", "one end", "another end", "side", "opposite", The orientation or positional relationship indicated by "four corners", "surrounding", "mouth" character structure, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying References to structures have a particular orientation, are constructed in a particular orientation, and operate in a particular orientation, and therefore are not to be construed as limitations on the invention.

In the description of the embodiments of the present invention, unless otherwise specified and limited, the terms "connection", "direct connection", "indirect connection", "fixed connection", "installation" and "assembly" should be understood in a broad sense, For example, it can be a fixed connection, a detachable connection, or an integral connection; the terms "installation", "connection" and "fixed connection" can be directly connected or indirectly connected through an intermediary, and can be two components. Internal connectivity. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Although the embodiments disclosed in the present invention are as above, the described content is only an embodiment adopted for understanding the present invention, and is not intended to limit the present invention. Anyone skilled in the field of the present invention can make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed by the present invention, but the patent protection scope of the present invention must still be It shall prevail as defined in the appended claims.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Under the conception of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly/indirectly used in Other relevant technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A handle for a hair dryer, comprising:

a first housing; and

the second shell is assembled with the first shell, the second shell and the first shell are encircled to form a motor installation cavity and an air duct, one end of the air duct is communicated with the motor installation cavity, the other end of the air duct is provided with an opening, a switch installation area is arranged on the side wall of the air duct, and the inner surface of the air duct outside the switch installation area is a flat arc curved surface.

2. The handle for a hair dryer of claim 1, wherein said circular arc curved surface is a cylindrical curved surface, one of said first housing and said second housing is provided with a snap, the other is provided with a snap position, and said snap is snapped on said snap position.

3. The handle for a hair dryer of claim 2, wherein said catch is a hook protruding from an end surface of said first housing facing a side of said second housing, said catch is a catch groove located on an outer side surface of said second housing facing an end of said first housing.

4. The handle for a hair dryer of claim 2, wherein said catch and said catch comprise a plurality of sets.

5. The handle for a hair dryer of claim 1, wherein a sealing coating is provided on a sidewall of said air channel, said first housing and said second housing forming a butt seam at said air channel, said sealing coating sealing said butt seam.

6. The handle for hair dryer according to any one of claims 1 to 5, wherein an end of said first housing is formed with a mating ring, an end of said second housing facing said mating ring is fitted with said mating ring by insertion, and said opening communicates with said mating ring.

7. The handle for a hair dryer of claim 6, wherein one of said mating ring and said second housing has a rib and the other has a slot, said rib and said slot being in a mating engagement.

8. The handle for a hair dryer of claim 7, wherein said rib is a semicircular rib located on an end surface of said second housing facing an end of said mating ring, and said slot is a semicircular groove located on an end surface of said mating ring facing an end of said second housing.

9. The handle of the hair dryer as claimed in any one of claims 1 to 5, wherein a sunken groove which is concave outwards and convex inwards is formed in a side wall of the first shell, the switch mounting area comprises the sunken groove, and an outer side surface of the sunken groove facing one end of the motor mounting cavity is an inclined air guide surface.

10. A hair dryer comprising a main body provided with a mounting portion and a handle of the hair dryer of any one of claims 1 to 9 mounted on the mounting portion, the opening communicating with the interior of the main body.

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