CN220275119U - Hand-held hair dryer - Google Patents

Abstract

The utility model discloses a handheld blower, which comprises a main body and a handle connected to the main body, wherein the main body comprises a main body shell, a containing cavity is formed in the main body shell, an air guide piece and a heater are arranged in the containing cavity, and the air guide piece is used for guiding air flow to flow towards the heater; a central tube is also arranged in the accommodating cavity, and air flows around the outer wall of the central tube; the plasma generator is arranged in the central tube, two mounting holes are formed in the side wall of the central tube in a penetrating manner, and a positive ion release end and a negative ion release end of the plasma generator extend out of the central tube from the mounting holes; the heater comprises a supporting piece, the air guide piece comprises an air guide plate and a connecting part, and the connecting part is connected with the supporting piece to form a central tube; and a pcb board is further arranged on one side, far away from the connecting part, of the air deflector in the accommodating cavity, and a cavity for communicating the central tube and one side, close to the pcb board, of the air deflector is arranged in the connecting part. The utility model can conveniently and rapidly install the plasma generator, and can reduce the loss between positive and negative ions, thereby improving the nursing effect.

Description

Hand-held hair dryer

Technical Field

The utility model relates to the field of hair care appliances, in particular to a handheld hair dryer.

Background

The handheld hair dryer is a hair care appliance commonly used in life, the existing hair dryer is obviously different from the traditional hair dryer in appearance, structure, function and the like, the appearance and structure are smaller, attractive, and the functions are more abundant.

Besides drying and shaping the hair, the existing part of hair dryers are also provided with an ion generator, different nursing effects are achieved on the hair through different characteristics of different ions, for example, the hair dryers with anions can neutralize static electricity, so that the hair is more flexible, the hair dryers with water ions can repair scalp dryness and deeply nourish the hair, and in addition, other ions are used for achieving the purposes of sterilizing, purifying air and the like; however, in the structure of the existing blower, the ion generator installed in the blower may cause the blower to increase in size, or the internal structure is crowded and the wiring is complicated, and in addition, the installation position of the ion generator may also cause serious ion loss, so that the nursing effect is poor.

It is therefore necessary to design an ion blower with a more rational structure.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a handheld blower which has reasonable structural design, is convenient for installing a plasma generator and can reduce the loss of ions.

The utility model is realized by the following technical scheme:

a hand-held hair dryer comprises a main body with an air outlet and a handle connected to the main body; the main body comprises a main body shell, and a containing cavity for installing components is arranged in the main body shell; the component comprises an air guide piece and a heater positioned between the air guide piece and the air outlet, wherein the air guide piece is used for guiding air flow to flow towards the heater, a central tube is also arranged in the accommodating cavity, the central tube is generally positioned on the central axis of the main body shell, and the air flow flows towards the air outlet around the outer wall of the central tube; the plasma generator is arranged in the central tube, at least two mounting holes are formed in the side wall of the central tube in a penetrating manner, and a positive ion release end and a negative ion release end of the plasma generator extend out of the central tube from the mounting holes;

the heater comprises a supporting piece, the air guide piece comprises an air guide plate and a connecting part, and the connecting part is connected with the supporting piece to form the central tube;

a pcb is further arranged on one side, far away from the connecting part, of the air deflector in the accommodating cavity, and a cavity is arranged in the connecting part; the cavity is communicated with one side of the central tube and the air deflector, which is close to the pcb.

Further, the plasma generator is located in the cavity.

Further, a connecting plate is arranged in the supporting piece, and the plasma generator is arranged on the connecting plate.

Further, the connecting plate divides the internal space of the support into a front cavity and a rear cavity, wherein the front cavity is close to the connecting part, and the rear cavity is close to the air outlet; the plasma generator is positioned in the front cavity, and the connecting part extends into the front cavity and is fixedly connected with the connecting plate.

Further, the connecting plate is further provided with a mounting groove, a buckle is arranged on the mounting groove, and the plasma generator is clamped in the mounting groove through the buckle.

Further, the positive ion release end and the negative ion release end extend to one end of the support piece, which is close to the air outlet, and are arranged at intervals along the periphery of the support piece.

Further, at least two clamping grooves are further formed in the outer wall of the central tube along the axial direction of the main body shell, the clamping grooves are respectively communicated with the mounting holes, and the positive ion release end and the negative ion release end respectively extend along different clamping grooves.

Further, the inner pipe body is further sleeved outside the clamping groove on the outer wall of the central pipe, and the inner wall of the inner pipe body is abutted to the top of the clamping groove, so that relatively independent spaces are formed between different clamping grooves and the inner wall of the inner pipe body, and the positive ion release end and the negative ion release end extend to one end, close to the air outlet, of the supporting piece along the spaces.

Further, the heater still includes outer body, sets up the heater strip between interior body and outer body, be formed with the fluid channel that the air current flows between interior body and the outer body, positive ion release end and negative ion release end stretch out in the fluid channel.

Compared with the prior art, the utility model has the advantages that:

1. by connecting the supporting member of the heater and the connection portion of the air guide member to form the central tube, the air flow flows around the central tube, and the plasma generator is installed in the central tube, so that the installation space of the plasma generator can be enlarged without increasing the volume of the blower. Through setting up the pcb board in one side of center tube to having the cavity in the setting connecting portion and with pcb board one side and interior body intercommunication, thereby be convenient for carry out the winding displacement between pcb board and the plasma generator, be convenient for install.

2. The plasma generator is installed by arranging the connecting plate, the mounting groove and the elastic arm, so that the plasma generator is more stably installed; and a plasma generator is arranged in the cavity so as to be convenient for connection with the pcb board.

3. Through setting up positive ion release end and negative ion release end and extend to the support piece one end that is close to the air outlet for the positive and negative ion that releases can blow out in the main part fast, thereby can reduce the loss between the ion.

4. Through setting up the draw-in groove for positive and negative ion release end extends in the draw-in groove, can improve the stability of installation, makes positive ion release end and negative ion release end separate all the time, can not take place the skew because of reasons such as collide with, fall down in service environment.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a hand-held blower according to an embodiment of the present utility model;

figure 2 is a schematic cross-sectional view of the overall structure of a hand-held blower in accordance with one embodiment of the present utility model;

FIG. 3 is a schematic view showing the internal structure of the accommodating chamber according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram showing the positional relationship of a pcb and a center tube according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of the structure of FIG. 4;

FIG. 6 is an exploded view of the structure of FIG. 4;

fig. 7 is a second schematic explosion diagram of the structure of fig. 4.

Detailed Description

The technical scheme of the utility model is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. In the description of the present utility model, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. refer to the azimuth or positional relationship based on the azimuth or positional relationship shown in the drawings. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1 and 2, a hand-held hair dryer according to an embodiment of the present utility model includes a main body 1 having an air outlet 172, and a handle 2 connected to the main body 1 for a user to grasp. An air inlet 171 is formed at one end of the handle 2 away from the main body 1, and fluid passages are formed in the handle 2 and the main body 1, which are in fluid communication with the air inlet 171 and the air outlet 172. A fan assembly (not shown) is disposed in the fluid passage, and air is drawn into the fluid passage from the air inlet 171 by the fan assembly, and a high-speed air flow is formed and blown out from the air outlet 172. The main body 1 includes a main body housing 11, and a housing chamber 111 for mounting components is provided inside the main body housing 11, wherein the components at least include an air guide 14 and a heater 15. The heater 15 is disposed between the air guide 14 and the air outlet 172, and the air guide 14 is configured to guide the air flow flowing into the main body 1 from the handle 2 to the direction of the heater 15 and the air outlet 172, and the air flow can be blown out after being heated by the heater 15.

As shown in fig. 2 to 4, the heater 15 includes a support 151, fins (not shown) provided on an outer wall of the support 151 along a circumferential direction of the support 151, and an outer tube 153 sleeved on an outer circumference of the fins, wherein the fins are provided with heating wires 155. A fluid passage is formed between the support 151 and the outer tube 153, and the heating wire 155 is positioned in the fluid passage, and the air flow can be heated after passing through the heating wire 155. The air guide 14 includes an air guide 144 and a connection portion 141, wherein the connection portion 141 is fixedly connected with the support 151, so that the air guide 14 is fixedly connected with the heater 15. The connecting portion 141 and the supporting member 151 are connected to form a central tube 173 substantially on the axis of the main body housing 11, and the air deflector 144 is connected to an end of the connecting portion 141 away from the supporting member 151, that is, an end of the air deflector 144 away from the air outlet 172 of the central tube 173, so that the air flow entering from the handle 2 can be guided toward the central tube 173, and the air flow flows around the outer wall of the central tube 173 to the air outlet 172.

As shown in fig. 3 to 5, the plasma generator 12 is disposed inside the central tube 173, two mounting holes 126 are further disposed on the outer wall of the central tube 173, and the positive ion releasing end 121 and the negative ion releasing end 122 of the plasma generator 12 protrude from the two mounting holes 126 to the outside of the central tube 173, respectively, to release positive ions and negative ions into the fluid. The pcb 13 is further disposed in the accommodating chamber 111 at a side of the air deflector 144 away from the connection portion 141, and the pcb 13 and the plasma generator 12 are electrically connected by wires. Specifically, for convenience of installation, a cavity 143 is provided in the connection portion 141, the cavity 143 is provided along the main body housing 11 axially penetrating the connection portion 141 (shown in fig. 6 and 7), and the cavity 143 extends to the air deflector 144 so that the cavity 143 can communicate the center tube 173 and one side of the air deflector 144 near the pcb 13. The arrangement is such that the pcb 13 may face the center tube 173 so as to face the plasma generator 12, thereby facilitating the wiring connecting the pcb 13 and the plasma generator 12.

As shown in fig. 5 to 7, the air deflector 144 and the connection portion 141 may be integrally formed, and the plasma generator 12 may be located inside the central tube 173, specifically, may be located in the cavity 143 of the connection portion 141, may be located in the supporting member 151, may be located on the connection portion 141, or may be located on the supporting member 151. In this embodiment, it is preferable to provide the plasma generator 12 on the supporting member 151, and the plasma generator 12 is also located in the cavity 143 of the connection part 141, since the supporting member 151 functions to support the heater 15, and the air guide 14 only functions to guide the air flow, the strength of the supporting member 151 is greater than that of the connection part 141 in design, so that the installation of the plasma generator 12 on the supporting member 151 can be more stable. In addition, the plasma generator 12 is located in the cavity 143, and since the cavity 143 is located closer to the pcb 13, the plasma generator 12 can be easily installed.

Specifically, a connection plate 158 is provided inside the support 151, and the connection plate 158 partitions an inner space of the support 151 into a front chamber 156 and a rear chamber 157 along an axial direction of the main body case 11, wherein the front chamber 156 is adjacent to the connection portion 141, and the rear chamber 157 is adjacent to the air outlet 172. The connection 141 extends partially into the front cavity 156 and is secured to the connection plate 158 such that the front cavity 156 and the cavity 143 are partially coincident. The plasma generator 12 is mounted to the connection plate 158 and is positioned in the front cavity 156 such that the plasma generator 12 can extend into the cavity 143 and thus be positioned closer to the pcb 13 for connection with the pcb 13.

As shown in fig. 6 and 7, the connection plate 158 is provided with a mounting groove 123 for mounting the plasma generator 12, the mounting groove 123 extends into the front cavity 156, the connection portion 141 is provided with a relief opening for relieving the mounting groove 123, and the mounting groove 123 extends into the cavity 143. The mounting groove 123 is also provided with an elastic arm 124, the elastic arm 124 is an elastic buckle, and the plasma generator 12 is fixed by the elastic buckle, so that the mounting is convenient and quick.

As shown in fig. 3, 4 and 5, the mounting hole 126 is formed through a side wall of the overlapping portion of the connecting portion 141 and the supporting member 151, and a clamping groove 125 is further formed in an outer wall of the supporting member 151, and the clamping groove 125 extends to an end of the supporting member 151, which is close to the air outlet 172, along an axial direction of the main body housing 11. The clamping groove 125 is communicated with the mounting hole 126, and the positive ion release end 121 and the negative ion release end 122 extend to one end, close to the air outlet 172, of the supporting piece 151 along the clamping groove 125, so that positive and negative ions released can quickly reach the air outlet 172 and be discharged to hair from the air outlet 172, and loss of the positive and negative ions in the main body shell 11 can be reduced. Still further, the installation holes 126 and the clamping grooves 125 are spaced apart from each other along the outer circumference of the support 151 on the outer wall of the support 151 such that the positive ion discharge ends 121 and the negative ion discharge ends 122 are spaced apart in the circumferential direction of the support 151, whereby loss between positive and negative ions can be further reduced, thereby improving the nursing effect. In other embodiments, the clamping groove 125 may also extend from the connecting portion 141 to an end of the supporting member 151 near the air outlet 172 on the outer wall of the supporting member 151 and the connecting portion 141, depending on the position of the mounting hole 126.

As shown in fig. 3, the heater 15 further includes an inner tube 152 sleeved on the outer wall of the support 151, where the inner wall of the inner tube 152 abuts against the top of the clamping groove 125, so that two relatively independent spaces are sealed by the two clamping grooves 125, and the positive ion release end 121 and the negative ion release end 122 extend to one end of the support 151 near the air outlet 172 along the two relatively independent spaces, so that the stability of installation can be improved, and the positive ion release end 121 and the negative ion release end 122 are always separated and cannot deviate due to collision, drop and other reasons in the use environment. A fluid passage is formed between the inner tube 152 and the outer tube 153, the heating wire 155 is positioned in the fluid passage, and the positive ion discharge end 121 and the negative ion discharge end 122 protrude into the fluid passage, thereby heating the air flow and discharging negative ions.

The implementation principle of the embodiment is as follows: connecting the connection part 141 of the air guide 14 and the support 151 of the heater 15 to form a central tube 173, and installing the plasma generator 12 in the central tube 173; the pcb 13 is arranged on the side of the air deflector 144 away from the central tube 173, and the cavity 143 is arranged to communicate the side of the pcb 13 with the central tube 173, so that the pcb 13 can face the plasma generator 12, thereby facilitating the installation of wiring. In addition, the positive ion release end 121 and the negative ion release end 122 of the plasma generator 12 are arranged to extend to the air outlet 172, so that loss between positive and negative ions can be reduced, and the nursing effect can be improved. By providing the connection plate 158 and the catching groove 125 on the support 151 to mount the plasma generator 12, the stability of the mounting of the plasma generator 12 can be improved.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (9)

1. A hand-held hair dryer comprises a main body with an air outlet and a handle connected to the main body; the main body comprises a main body shell, and a containing cavity for installing components is arranged in the main body shell; the component comprises an air guide piece and a heater arranged between the air guide piece and the air outlet, the air guide piece is used for guiding air flow to flow towards the heater, and is characterized in that,

the accommodating cavity is internally provided with a central pipe, the central pipe is generally positioned on the central axis of the main body shell, and air flows around the outer wall of the central pipe towards the air outlet; the plasma generator is arranged in the central tube, at least two mounting holes are formed in the side wall of the central tube in a penetrating manner, and a positive ion release end and a negative ion release end of the plasma generator extend out of the central tube from the mounting holes;

the heater comprises a supporting piece, the air guide piece comprises an air guide plate and a connecting part, and the connecting part is connected with the supporting piece to form the central tube;

a pcb is further arranged on one side, far away from the connecting part, of the air deflector in the accommodating cavity, and a cavity is arranged in the connecting part; the cavity is communicated with one side of the central tube and the air deflector, which is close to the pcb.

2. The hand-held blower of claim 1, wherein the plasma generator is located in the cavity.

3. A hand held hair dryer according to claim 1 or 2, wherein a connection plate is provided in the support, the plasma generator being provided on the connection plate.

4. A hand-held hair dryer according to claim 3, wherein the web divides the support interior space into a front chamber and a rear chamber, wherein the front chamber is adjacent the connection and the rear chamber is adjacent the air outlet; the plasma generator is positioned in the front cavity, and the connecting part extends into the front cavity and is fixedly connected with the connecting plate.

5. A hand held hair dryer according to claim 3, wherein the connection plate is further provided with a mounting groove, the mounting groove is provided with a buckle, and the plasma generator is clamped in the mounting groove by the buckle.

6. The hand held hair dryer of claim 1, wherein the positive ion release end and the negative ion release end extend to an end of the support member adjacent the air outlet and are spaced along the periphery of the support member.

7. The hand-held hair dryer of claim 6, wherein the outer wall of the center tube is further provided with at least two clamping grooves along the axial direction of the main body casing, the clamping grooves are respectively communicated with the mounting holes, and the positive ion release end and the negative ion release end respectively extend along different clamping grooves.

8. The hand-held hair dryer of claim 7, wherein the outer wall of the central tube is further sleeved with an inner tube body outside the clamping groove, the inner wall of the inner tube body is abutted against the top of the clamping groove, so that relatively independent spaces are formed between different clamping grooves and the inner wall of the inner tube body, and the positive ion release end and the negative ion release end extend to the end, close to the air outlet, of the supporting piece along the spaces.

9. The hand-held hair dryer of claim 8, wherein the heater further comprises an outer tube, a heater wire disposed between the inner tube and the outer tube, a fluid passage for the flow of air is formed between the inner tube and the outer tube, and the positive ion releasing end and the negative ion releasing end extend into the fluid passage.