Shell structure and blower

Abstract

The utility model relates to a shell structure and a blower, the shell structure comprises a heating cylinder, a connecting piece, a handle support and a handle shell, a heating cavity in the heating cylinder can be provided with a heating assembly, and the heating assembly generates heat in the heating cavity; the handle bracket is fixedly mounted with the heating cylinder through a connecting piece and a screw, so that the air guide channel is reliably communicated with the heating cavity; the handle bracket is detachably connected with the heating cylinder through screws, so that the stability and the reliability of connection are improved; an air guide channel used for installing the fan assembly is formed in the handle support, the fan assembly works to enable external air to be sucked into the air guide channel to be accelerated, and the accelerated air is conveyed into the heating cavity to be subjected to heat exchange to form hot air; the surface of the handle support is sleeved with the handle shell, so that the attractiveness and the holding feeling of the hair drier are improved; based on the installation mode that the handle support is connected with the heating cylinder and the handle shell, the shell of the blower is stable in overall structure, and the connection mode is simple and reliable.

Description

Technical Field

[0001] The present application relates to the technical field of hair dryers, and in particular to a shell structure and a hair dryer. Background Art

[0002] The hair dryer consists of a shell structure, a heating component, a fan component and a control device, wherein the shell structure includes a heating tube part and a handle part, and the fan component is installed in a channel formed in the handle part. Based on the above design, the heating tube part and the handle part need to be connected in a detachable manner, which easily leads to the problem of unstable connection between the heating tube part and the handle part. Utility Model Content

[0003] Based on this, it is necessary to provide a shell structure and a hair dryer to address the above-mentioned problems.

[0004] A first aspect of the present application provides a housing structure, comprising:

[0005] A heating tube, wherein the heating tube is provided with a heating cavity for installing a heating component, and an air outlet and an air inlet communicated with the heating cavity;

[0006] A handle bracket and a connecting piece, wherein the connecting piece is arranged at the air outlet, and the handle bracket and the connecting piece are successively fixed to the heating tube by screws; the handle bracket is provided with an air guide channel, one end of the air guide channel is connected to the heating chamber through the air outlet, and the other end of the air guide channel is connected to the external atmosphere, and the air guide channel can be used to install a fan assembly;

[0007] A handle shell is sleeved on the outer side wall of the handle bracket, and the handle shell is fixed to the handle bracket by screws.

[0008] The shell structure disclosed in the present application is that the heating chamber in the heating tube can be used to install the heating component, and the heating component generates heat when working in the heating chamber; the handle bracket is fixedly installed with the heating tube by means of a connecting piece and screws, so that the air guide channel in the handle bracket is reliably connected with the heating chamber of the heating tube; the handle bracket and the heating tube are detachably connected by screws, so as to improve the stability and reliability of the connection between the two; wherein, an air guide channel for installing a fan component and conveying air is formed inside the handle bracket, and the fan component in the air guide channel works so that external air is sucked into the air guide channel for acceleration, and the accelerated air is conveyed to the heating chamber for heat exchange, forming hot air blowing for drying hair; a handle shell is provided on the surface of the handle bracket to improve the aesthetics and grip of the hair dryer; wherein, the handle shell and the handle bracket are detachably connected by means of screws, and the connection is stable and reliable and not easy to shake; based on the installation method of the handle bracket with the heating tube and the handle shell respectively, the overall structure of the shell of the hair dryer is stable and the connection method is simple and reliable.

[0009] In one embodiment, the handle bracket and the connecting member are respectively provided with a first through hole and a second through hole, the number of the first through holes is multiple, the heating tube is provided with a first threaded hole, the second through hole and the first threaded hole are arranged one by one, and the threaded end of the screw passes through the first through hole, the second through hole and the first threaded hole in sequence to be threadedly connected.

[0010] The shell structure in the above embodiment further defines that the handle bracket, the connecting piece and the heating tube bracket are respectively provided with a first through hole, a second through hole and a first threaded hole, and the number of the first through hole, the second through hole and the first threaded hole are multiple and one-to-one corresponding, so that there are multiple connection relationships between the handle bracket and the heating tube to improve the stability of the connection; at the same time, by providing the first threaded hole at the heating tube, the handle bracket and the connecting piece are respectively provided with the first through hole and the second through hole, and the matching screws pass through the first through hole and the second through hole in turn and are threadedly connected with the first threaded hole, it can avoid using a screwdriver to tighten the screws in a heating chamber in a narrow space, thereby improving the rationality of the design.

[0011] In one embodiment, the connecting member is an annular sleeve, and the connecting member is sleeved on one end of the handle bracket close to the heating tube, and a notch is formed in the connecting member at the second through hole.

[0012] The shell structure in the above embodiment further defines that the shape of the connecting piece is an annular sleeve, which is sleeved on one end of the handle bracket close to the heating tube, and the connecting piece forms a notch at the second through hole. Specifically, the portion of the handle bracket provided with the first through hole extends into the notch, so that the first through hole and the second through hole are on a coaxial axis. The notch is formed at the second through hole by the connecting piece, so that the screwdriver can easily act on the screw through the notch and tighten it.

[0013] In one embodiment, the connecting member is provided with a first limiting groove, the handle bracket is formed with a first protrusion matched with the first limiting groove, and the first protrusion is inserted into the first limiting groove.

[0014] The shell structure in the above embodiment further defines that a first limiting groove and a first protrusion are respectively provided on the connecting member and the handle bracket. Specifically, during the assembly of the connecting member and the handle bracket, the first protrusion on the handle bracket is inserted into the first limiting groove on the connecting member, and the first limiting groove and the first protrusion are snap-connected, so that the handle bracket and the connecting member are not easy to rotate; at the same time, in the process of inserting the first protrusion into the first limiting groove, the first through hole and the second through hole are also positioned.

[0015] In one embodiment, the connecting member is at least partially clamped between the handle housing and the handle bracket, a plurality of second protrusions are provided on the connecting member, the plurality of second protrusions are distributed at intervals, a second limiting groove is formed on the inner side wall of the handle housing, and the plurality of second protrusions are arranged one-to-one corresponding to the second protrusions.

[0016] The shell structure in the above embodiment further defines that the connecting piece is clamped between the handle shell and the handle bracket, and a second protrusion and a second limiting groove are respectively provided on the inner side walls of the connecting piece and the handle shell, and the second protrusion and the second limiting groove are clamped together, so that the handle shell is not easy to rotate relative to the connecting piece.

[0017] In one of the embodiments, the handle bracket includes a front bracket and a rear bracket, the front bracket and the rear bracket are connected by screws and / or buckles, and the front bracket and the rear bracket enclose to form the air guide channel.

[0018] The shell structure in the above embodiment further defines that the handle bracket is formed by at least a front bracket and a rear bracket, and the front bracket and the rear bracket can be detachably connected by the cooperation of screws and buckles. Specifically, the blower assembly and part of the control device in the hair dryer can be first installed on the front bracket. After the installation is completed, the rear bracket can be fastened to the front bracket through the buckle structure, and finally the front bracket and the rear bracket are fixedly connected with screws to improve the connection strength between the front bracket and the rear bracket.

[0019] In one of the embodiments, a third protrusion is formed on one end of the handle shell close to the heating tube, and a third limiting groove matched with the three protrusions is formed on the heating tube, and the third protrusion is inserted into the third limiting groove; the handle shell and the handle bracket are respectively provided with a third through hole and a second threaded hole at the end away from the heating tube, the third through hole is arranged opposite to the second threaded hole, and the threaded end of the screw passes through the third through hole and is threadedly connected with the second threaded hole.

[0020] The shell structure in the above embodiment further defines that a third protrusion and a third limiting groove are respectively provided on the handle shell and the heating tube, and a third through hole and a second threaded hole are respectively provided on the handle shell and the handle bracket. During the assembly process of the handle shell, the third protrusion is first inserted into the third limiting groove to complete the clamping connection between the handle shell and the heating tube, and at the same time, the third through hole on the handle shell and the second threaded hole on the handle bracket complete the positioning. Finally, the handle shell and the handle bracket are fixedly connected by the cooperation of screws, the third through hole and the second threaded hole.

[0021] In one embodiment, the heating tube includes an outer tube and an inner tube, the inner tube is located in a first cavity formed by the outer tube, the inner tube is formed with the heating cavity and the air outlet, the outer tube is provided with a fourth through hole connected to the first cavity, the handle bracket part is connected to the inner tube through the fourth through hole, and the connecting piece part extends into the first cavity and is clamped with the outer tube.

[0022] The shell structure in the above embodiment further defines that part of the connecting piece extends into the first cavity and is engaged with the outer cylinder. Specifically, the connecting piece can be first placed in the first cavity, and then the connecting piece is exposed to the first cavity through the fourth through hole. At this time, the connecting piece abuts against the side wall of the fourth through hole on the outer cylinder, so that the connecting piece cannot fall off the outer cylinder; a second through hole is provided on the part of the connecting piece exposed from the first cavity, and after the screw passes through the first through hole and the second through hole in turn, it is threadedly connected to the second threaded hole on the inner cylinder, so that the outer cylinder, the inner cylinder, the connecting piece and the handle bracket are locked with each other, and the installation relationship is stable and reliable.

[0023] In one of the embodiments, the handle housing includes an upper shell and a lower shell, the upper shell is detachably connected to the lower shell, the lower shell is sleeved on the end of the handle bracket away from the heating tube, and the third through hole is formed on the end of the upper shell away from the heating tube; the lower shell is provided with a plurality of air inlets arranged at intervals, and the air inlets are connected to the air guide channel.

[0024] The shell structure in the above embodiment further defines that the handle shell is at least composed of a detachable upper shell and a lower shell connecting assembly. Optionally, the lower shell can be connected to the upper shell by direct plug-in; wherein, the space formed inside the lower shell can be used to install the filter assembly, so that the filter assembly is arranged relative to the multiple air inlets on the lower shell. When the fan in the air guide channel is working, the external air enters the air guide channel through the air inlet and the filter assembly in turn. The upper shell and the lower shell are detachably connected, which is convenient for cleaning and maintenance of the filter assembly in the future.

[0025] A second aspect of the present application provides a hair dryer, comprising:

[0026] A housing structure as described in any one of the above items;

[0027] A heating component, wherein the heating component is located in the heating cavity;

[0028] A fan assembly; the fan assembly is located in the air guide channel;

[0029] A control device is electrically connected to the heating component and the fan component respectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of a housing structure in one embodiment;

[0031] Figure 2 An exploded view of a housing structure in one embodiment;

[0032] Figure 3 is a cross-sectional view of a housing structure in a first direction in an embodiment;

[0033] Figure 4 is a cross-sectional view of a housing structure in a second direction in one embodiment;

[0034] Figure 5 This is a schematic diagram of the assembly of the handle bracket and the heating tube in one embodiment;

[0035] Figure 6 It is a schematic diagram of the assembly of the handle housing and the connecting member in one embodiment;

[0036] Figure 7 It is a schematic diagram of the assembly of the handle housing and the outer cylinder in one embodiment;

[0037] Figure 8 It is a schematic diagram of the assembly of the connecting member with the inner tube and the handle bracket in one embodiment.

[0038] Reference numerals:

[0039] 1 shell structure, 2 heating component, 3 fan component, 4 control device, 5 filter component, 6 negative ion module;

[0040] 10 heating tube, 11 outer tube, 12 inner tube, 101 heating chamber, 102 air outlet, 103 air outlet, 104 first threaded hole, 105 third limiting groove, 106 first cavity, 107 fourth through hole;

[0041] 20 handle bracket, 21 front bracket, 22 rear bracket, 211 first protrusion, 201 air guide channel, 202 first through hole, 203 second limiting groove, 205 second threaded hole;

[0042] 30 connecting member, 301 second through hole, 302 notch, 303 first limiting groove, 311 second protrusion;

[0043] 40 handle housing, 41 upper housing, 42 lower housing, 411 third protruding portion, 402 third through hole, 403 air inlet. DETAILED DESCRIPTION

[0044] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0045] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so as to describe the embodiments of the present application described herein.

[0046] In one embodiment, Figures 1 to 8 As shown, a housing structure is provided, comprising:

[0047] The heating tube 10 is provided with a heating chamber 101 for installing the heating component 2, and an air outlet 102 and an air inlet 103 communicated with the heating chamber 101;

[0048] The handle bracket 20 and the connecting member 30 are arranged at the air outlet 103. The handle bracket 20 and the connecting member 30 are successively fixed to the heating tube 10 by screws; the handle bracket 20 is provided with an air guide channel 201, one end of the air guide channel 201 is connected to the heating chamber 101 through the air outlet 103, and the other end of the air guide channel 201 is connected to the external atmosphere. The air guide channel 201 can be used to install the fan assembly 3;

[0049] The handle housing 40 is sleeved on the outer wall of the handle bracket 20, and the handle housing 40 is fixed to the handle bracket by screws.

[0050] The shell structure disclosed in the present application is that the heating chamber 101 in the heating tube 10 can be used to install the heating component 2, and the heating component 2 generates heat when working in the heating chamber 101; the handle bracket 20 is fixedly installed with the heating tube 10 through the connecting piece 30 and screws, so that the air guide channel 201 in the handle bracket 20 is reliably connected with the heating chamber 101 of the heating tube 10; based on the detachable connection between the handle bracket 20 and the heating tube 10 by screws, the stability and reliability of the connection between the two are improved; wherein, the handle bracket 20 is internally formed with an air guide channel 201 for installing the fan component 3 and conveying air, and the air guide channel 201 The fan assembly 3 in the channel 201 works so that external air is sucked into the air guide channel 201 for acceleration, and the accelerated air is transported to the heating chamber 101 for heat exchange to form hot air blowing for drying hair; a handle shell 40 is provided on the surface of the handle bracket 20 to improve the aesthetics and grip of the hair dryer; wherein the handle shell 40 and the handle bracket 20 are detachably connected by means of screws, and the connection is stable and reliable and not prone to shaking; based on the installation method of the handle bracket 20 with the heating tube 10 and the handle shell 40 respectively, the overall structure of the hair dryer shell is stable and the connection method is simple and reliable.

[0051] like Figure 2 , 4 As shown in Figures 5 and 8, in addition to the features of the above embodiments, the present embodiment further defines that: the handle bracket 20 and the connecting member 30 are respectively provided with a first through hole 202 and a second through hole 301, the number of the first through holes 202 is multiple, the heating tube 10 is provided with a first threaded hole 104, the second through hole 301 and the first threaded hole 104 are arranged one by one, and the threaded end of the screw passes through the first through hole 202, the second through hole 301 and the first threaded hole 104 to be threadedly connected.

[0052] The above-mentioned shell structure further defines that the handle bracket 20, the connecting member 30 and the heating tube 10 bracket are respectively provided with a first through hole 202, a second through hole 301 and a first threaded hole 104, and the number of the first through hole 202, the second through hole 301 and the first threaded hole 104 are multiple and one-to-one corresponding, so that there are multiple connection relationships between the handle bracket 20 and the heating tube 10 to improve the stability of the connection; at the same time, by providing the first threaded hole 104 at the heating tube 10, the handle bracket 20 and the connecting member 30 are respectively provided with the first through hole 202 and the second through hole 301, and the matching screws pass through the first through hole 202 and the second through hole 301 in sequence and then are threadedly connected with the first threaded hole 104, which can avoid using a screwdriver to tighten the screws in the narrow space of the heating chamber 101, thereby improving the rationality of the design.

[0053] like Figure 4 , 5 As shown in FIG. 8 , in addition to the features of the above embodiments, this embodiment further defines that: the connecting member 30 is an annular sleeve, the connecting member 30 is sleeved on one end of the handle bracket 20 close to the heating tube 10 , and the connecting member 30 is formed with a notch 302 at the second through hole 301 .

[0054] The above-mentioned shell structure further defines that the shape of the connecting piece 30 is an annular sleeve, which is sleeved on one end of the handle bracket 20 close to the heating tube 10, and the connecting piece 30 forms a notch 302 at the second through hole 301. Specifically, the part of the handle bracket 20 where the first through hole 202 is provided extends into the notch 302, so that the first through hole 202 and the second through hole 301 are on the same axis. The notch 302 is formed at the second through hole 301 by the connecting piece 30, so that the screwdriver can easily act on the screw through the notch 302 and tighten it.

[0055] like Figure 8 As shown, in addition to the features of the above-mentioned embodiments, this embodiment further defines: the connecting member 30 is provided with a first limiting groove 303, the handle bracket 20 is formed with a first protrusion 211 adapted to the first limiting groove 303, and the first protrusion 211 is inserted into the first limiting groove 303.

[0056] The above-mentioned shell structure further defines that a first limiting groove 303 and a first protrusion 211 are respectively provided on the connecting member 30 and the handle bracket 20. Specifically, during the assembly process of the connecting member 30 and the handle bracket 20, the first protrusion 211 on the handle bracket 20 is inserted into the first limiting groove 303 on the connecting member 30, and the first limiting groove 303 and the first protrusion 211 are snap-connected, so that the handle bracket 20 and the connecting member 30 are not easy to rotate; at the same time, during the process of the first protrusion 211 being inserted into the first limiting groove 303, the first through hole 202 and the second through hole 301 are also positioned.

[0057] like Figure 3 , 6 As shown, in addition to the features of the above-mentioned embodiments, this embodiment is further defined as follows: the connecting member 30 is at least partially clamped between the handle housing 40 and the handle bracket 20, a plurality of second protrusions 311 are provided on the connecting member 30, the plurality of second protrusions 311 are distributed at intervals, a second limiting groove 203 is formed on the inner side wall of the handle housing 40, and the plurality of second protrusions 311 are provided one-to-one with the second protrusions 311.

[0058] The above-mentioned shell structure further defines that the connecting member 30 is clamped between the handle housing 40 and the handle bracket 20, and a second protrusion 311 and a second limiting groove 203 are respectively provided on the inner side walls of the connecting member 30 and the handle housing 40, and the second protrusion 311 and the second limiting groove 203 are clamped, so that the handle housing 40 is not easy to rotate relative to the connecting member 30.

[0059] like Figure 2 , 8 As shown, in addition to the features of the above embodiments, this embodiment further defines: the handle bracket 20 includes a front bracket 21 and a rear bracket 22, the front bracket 21 and the rear bracket 22 are connected by screws and / or snaps, and the front bracket 21 and the rear bracket 22 enclose a wind guide channel 201.

[0060] The above-mentioned shell structure further defines that the handle bracket 20 is formed by at least a front bracket 21 and a rear bracket 22, and the front bracket 21 and the rear bracket 22 can be detachably connected by the cooperation of screws and buckles. Specifically, the fan assembly 3 and part of the control device 4 in the hair dryer can be first installed on the front bracket 21. After the installation is completed, the rear bracket 22 is buckled on the front bracket 21 through the buckle structure, and finally the front bracket 21 and the rear bracket 22 are fixedly connected with screws to improve the connection strength between the front bracket 21 and the rear bracket 22.

[0061] like Figure 7 As shown, in addition to the features of the above embodiments, the present embodiment is further defined as follows: a third protrusion 411 is formed at one end of the handle housing 40 close to the heating tube 10, a third limiting groove 105 matching the three protrusions is formed on the heating tube 10, and the third protrusion 411 is inserted into the third limiting groove 105; the handle housing 40 and the handle bracket 20 are respectively provided with a third through hole 402 and a second threaded hole 205 at the end away from the heating tube 10, the third through hole 402 and the second threaded hole 205 are arranged opposite to each other, and the threaded end of the screw passes through the third through hole 402 and is threadedly connected with the second threaded hole 205.

[0062] The above-mentioned shell structure further defines that a third protrusion 411 and a third limiting groove 105 are respectively provided on the handle shell 40 and the heating tube 10, and a third through hole 402 and a second threaded hole 205 are respectively provided on the handle shell 40 and the handle bracket 20. During the assembly process of the handle shell 40, the third protrusion 411 is first inserted into the third limiting groove 105 to complete the clamping connection between the handle shell 40 and the heating tube 10, and at the same time, the third through hole 402 on the handle shell 40 and the second threaded hole 205 on the handle bracket 20 complete the positioning. Finally, the handle shell 40 and the handle bracket 20 are fixedly connected by the cooperation of screws, the third through hole 402 and the second threaded hole 205.

[0063] like Figure 2 , 3 As shown in FIG. 4 , in addition to the features of the above embodiments, the present embodiment further defines that: the heating tube 10 includes an outer tube 11 and an inner tube 12, the inner tube 12 is located in a first cavity 106 formed by the outer tube 11, the inner tube 12 is formed with a heating cavity 101 and an air outlet 103, the outer tube 11 is provided with a fourth through hole 107 connected to the first cavity 106, the handle bracket 20 partially passes through the fourth through hole 107 and is connected to the inner tube 12, and the connecting piece 30 partially extends into the first cavity 106 and is clamped with the outer tube 11.

[0064] The above-mentioned shell structure further defines that part of the connecting member 30 extends into the first cavity 106 and is engaged with the outer cylinder 11. Specifically, the connecting member 30 can be first placed in the first cavity 106, and then the connecting member 30 is exposed to the first cavity 106 through the fourth through hole 107. At this time, the connecting member 30 abuts against the side wall of the fourth through hole 107 on the outer cylinder 11, so that the connecting member 30 cannot fall off the outer cylinder 11; the part of the connecting member 30 exposed in the first cavity 106 is provided with a second through hole 301, and after the screw passes through the first through hole 202 and the second through hole 301 in turn, it is threadedly connected with the second threaded hole 205 on the inner cylinder 12, so that the outer cylinder 11, the inner cylinder 12, the connecting member 30 and the handle bracket 20 are locked with each other, and the installation relationship is stable and reliable.

[0065] like Figure 2 , 3 As shown in , 4, in addition to the features of the above embodiments, this embodiment further defines that the handle housing 40 includes an upper shell 41 and a lower shell 42, the upper shell 41 and the lower shell 42 are detachably connected, the lower shell 42 is sleeved on the end of the handle bracket 20 away from the heating tube 10, and a third through hole 402 is formed on the end of the upper shell 41 away from the heating tube 10; the lower shell 42 is provided with a plurality of air inlets 403 arranged at intervals, and the air inlets 403 are connected to the air guide channel 201.

[0066] The above-mentioned shell structure further defines that the handle shell 40 is at least composed of a detachable upper shell 41 and a lower shell 42 connecting assembly. Optionally, the lower shell 42 can be connected to the upper shell 41 by direct plug-in; wherein, the space formed inside the lower shell 42 can be used to install the filter assembly 5, so that the filter assembly 5 is arranged relative to the multiple air inlets 403 on the lower shell 42. When the fan in the air guide channel 201 is working, the external air enters the air guide channel 201 through the air inlet 403 and the filter assembly 5 in turn. The upper shell 41 and the lower shell 42 are detachably connected, which is convenient for cleaning and maintenance of the filter assembly 5 in the future; it should be noted that in other embodiments, the upper shell 41 can also be detachably connected to the lower shell 42 by means of snaps, magnets or threads.

[0067] In one embodiment, Figure 2 , 3 As shown in , 4, a hair dryer is provided, comprising:

[0068] A housing structure as described in any one of the above items;

[0069] A heating component 2, the heating component 2 is located in the heating cavity 101;

[0070] Fan assembly 3; the fan assembly 3 is located in the air guide channel 201;

[0071] The control device 4 is electrically connected to the heating component 2 and the fan component 3 respectively.

[0072] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0073] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present utility model patent shall be subject to the attached claims.

Claims

1. A housing structure, characterized in that: include: A heating tube (10), the heating tube (10) being provided with a heating chamber (101) for mounting a heating component (2), and an air outlet (102) and an air inlet (103) communicating with the heating chamber (101); A handle bracket (20) and a connecting piece (30), wherein the connecting piece (30) is arranged at the air outlet (103), and the handle bracket (20) and the connecting piece (30) are successively fixed to the heating tube (10) by screws; the handle bracket (20) is provided with an air guide channel (201), one end of the air guide channel (201) is connected to the heating chamber (101) through the air outlet (103), and the other end of the air guide channel (201) is connected to the external atmosphere, and the air guide channel (201) can be used to install a fan assembly (3); A handle shell (40), wherein the handle shell (40) is sleeved on the outer side wall of the handle bracket (20), and the handle shell (40) is fixed to the handle bracket (20) by means of screws.

2. The housing structure according to claim 1, characterized in that: The handle bracket (20) and the connecting member (30) are respectively provided with a first through hole (202) and a second through hole (301), the number of the first through holes (202) is plural, the heating tube (10) is provided with a first threaded hole (104), the second through hole (301) and the first threaded hole (104) are arranged in a one-to-one correspondence, and the threaded end of the screw passes through the first through hole (202), the second through hole (301) and the first threaded hole (104) in sequence to be threadedly connected.

3. The housing structure according to claim 2, characterized in that: The connecting member (30) is in the form of an annular sleeve, and the connecting member (30) is sleeved on one end of the handle bracket (20) close to the heating tube (10). The connecting member (30) is formed with a notch (302) at the second through hole (301).

4. The housing structure according to claim 2, characterized in that: The connecting member (30) is provided with a first limiting groove (303), and the handle bracket (20) is formed with a first protrusion (211) adapted to the first limiting groove (303), and the first protrusion (211) is inserted into the first limiting groove (303).

5. The housing structure according to claim 2, characterized in that: The connecting member (30) is at least partially sandwiched between the handle housing (40) and the handle bracket (20); a plurality of second protrusions (311) are provided on the connecting member (30); the plurality of second protrusions (311) are distributed at intervals; a second limiting groove (203) is formed on the inner side wall of the handle housing (40); and the plurality of second protrusions (311) are arranged in one-to-one correspondence with the second protrusions (311).

6. The housing structure according to claim 2, characterized in that: The handle bracket (20) comprises a front bracket (21) and a rear bracket (22), wherein the front bracket (21) and the rear bracket (22) are connected via screws and / or buckles, and the front bracket (21) and the rear bracket (22) enclose the air guide channel (201).

7. The housing structure according to claim 1, characterized in that: A third protrusion (411) is formed at one end of the handle housing (40) close to the heating tube (10), and a third limiting groove (105) adapted to the three protrusions is formed on the heating tube (10), and the third protrusion (411) is inserted into the third limiting groove (105); The handle housing (40) and the handle bracket (20) are respectively provided with a third through hole (402) and a second threaded hole (205) at one end away from the heating tube (10); the third through hole (402) and the second threaded hole (205) are arranged opposite to each other; and the threaded end of the screw passes through the third through hole (402) and is threadedly connected with the second threaded hole (205).

8. The housing structure according to claim 7, characterized in that: The heating tube (10) comprises an outer tube (11) and an inner tube (12); the inner tube (12) is located in a first cavity (106) formed by the outer tube (11); the inner tube (12) is provided with the heating cavity (101) and an air outlet (103); the outer tube (11) is provided with a fourth through hole (107) connected to the first cavity (106); the handle bracket (20) partially passes through the fourth through hole (107) and is connected to the inner tube (12); the connecting piece (30) partially extends into the first cavity (106) and is snap-fitted with the outer tube (11).

9. The housing structure according to claim 7, characterized in that: The handle housing (40) comprises an upper housing (41) and a lower housing (42), wherein the upper housing (41) is detachably connected to the lower housing (42), the lower housing (42) is sleeved on an end of the handle bracket (20) away from the heating tube (10), and the third through hole (402) is formed on an end of the upper housing (41) away from the heating tube (10); The lower shell (42) is provided with a plurality of air inlets (403) arranged at intervals, and the air inlets (403) are in communication with the air guide channel (201).

10. A hair dryer, characterized in that: include: The housing structure (1) as claimed in any one of claims 1 to 9; A heating component (2), the heating component (2) being located in the heating chamber (101); A fan assembly (3); the fan assembly (3) is located in the air guide channel (201); A control device (4), wherein the control device (4) is electrically connected to the heating component (2) and the fan component (3) respectively.

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