Hair dryer

The modular design of the display screen allows for detachable connection to the body, solving the problem of complex installation and removal of the display screen in traditional hair dryers, and enabling simple assembly and maintenance.

CN223682122UActive Publication Date: 2025-12-19LOVEUBEST TECHNOLOGY (SUZHOU) CO LTD
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Patent Information

Application Number
CN202423159011.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-19
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The installation and removal of the display screen in traditional hair dryers is complicated, and assembly and maintenance are difficult.

Method used

The modular design involves first positioning and installing the screen circuit module and screen display module on both sides of the screen frame, and then using an outer frame to fit over the screen circuit module, screen display module and screen frame, allowing the screen to be detachably connected to the screen mounting part of the device.

Benefits of technology

It simplifies the assembly and disassembly process of the display screen, and improves the convenience of maintenance and replacement.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223682122U_ABST
    Figure CN223682122U_ABST
Patent Text Reader

Abstract

The utility model relates to a hair drier. The hair drier comprises a handle, a machine body and a display screen, the machine body comprises a main machine body transversely arranged on the handle, an air outlet formed in one end of the main machine body and a screen mounting part arranged at the other end of the main machine body; the display screen comprises a screen middle frame, a screen circuit module, a screen display module and a screen outer frame, wherein the screen circuit module and the screen display module are arranged on the two sides of the screen middle frame respectively, the screen outer frame is arranged on the peripheral sides of the screen middle frame, the screen circuit module and the screen display module in a surrounding mode, and the screen outer frame is detachably connected with the screen installation part. The technical problems that in the prior art, a display screen is directly assembled and embedded in a blower, so that the display screen is complex to mount and dismount and difficult to assemble and maintain can be solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of household appliances, especially relates to a hair dryer. BACKGROUND

[0002] Hair dryer is the household appliance that people's daily life commonly uses, mainly by the wind tube and handle composition. In traditional technology, in order to promote the convenience and science and technology feeling of the function control of hair dryer, some hair dryer will set up display screen, and the working state of hair dryer is observed and the hair dryer is controlled conveniently for user.

[0003] In traditional technology, display screen sometimes will be embedded in the wind tube or handle of hair dryer, and the various component structures of display screen will be directly assembled on the wind tube or handle. This direct display screen assembly embedded in hair dryer, resulting in the installation and removal of display screen are relatively complex, and assembly and maintenance are relatively difficult. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of hair dryer, can solve the technical problem that the way of display screen direct assembly embedded in hair dryer in traditional technology, resulting in the installation and removal of display screen are relatively complex, and assembly and maintenance are relatively difficult.

[0005] To solve the above technical problems, the utility model provides a kind of hair dryer, comprising:

[0006] Handle;

[0007] Machine body, including the main body that is horizontally arranged on the handle, the air outlet that is arranged at one end of the main body, and the screen mounting portion that is arranged at the other end of the main body;And,

[0008] Display screen, including screen middle frame, screen circuit module and screen display module arranged on both sides of the screen middle frame respectively, and screen outer frame arranged around the screen middle frame, screen circuit module and screen display module, the screen outer frame is detachably connected with the screen mounting portion.

[0009] Optionally, the screen mounting portion includes screen positioning protrusion or screen positioning recess arranged on the end face of the main body, the end face of the screen outer frame is provided with machine body positioning recess or machine body positioning protrusion, the screen positioning protrusion is detachably arranged in the machine body positioning recess, or the machine body positioning protrusion is detachably arranged in the screen positioning recess.

[0010] Optionally, the main body includes cylindrical casing connected with the handle;

[0011] The screen positioning protrusion includes annular first positioning plate protruding on the end face of the cylindrical casing;

[0012] The end surface of the screen outer frame is provided with a ring-shaped second positioning plate, and a machine body positioning groove is formed in the middle of the second positioning plate.

[0013] The second positioning plate is sleeved outside the first positioning plate, and the outer peripheral surface of the second positioning plate is aligned with the outer peripheral surface of the cylindrical machine shell.

[0014] Optionally, the screen positioning protrusion comprises an insulating partition plate protruding at the opening of the end surface of the cylindrical machine shell, the insulating partition plate is located in the middle of the first positioning plate, and the insulating partition plate is clamped in the machine body positioning groove in the middle of the second positioning plate and is arranged correspondingly to the screen circuit module.

[0015] Optionally, the screen mounting portion comprises a screen connection buckle or a screen connection clamping groove provided at the end surface of the main body, the end surface of the screen outer frame is provided with a machine body connection clamping groove or a machine body connection buckle, and the screen connection buckle is clamped in the machine body connection clamping groove or the machine body connection buckle is clamped in the screen connection clamping groove.

[0016] Optionally, the periphery of the insulating partition plate is provided with a plurality of connecting plate notches, and each connecting plate notch forms a screen connection clamping groove;

[0017] The inner peripheral surface of the screen outer frame is provided with a plurality of elastic clamping plates protruding outward from the end surface of the screen outer frame along the axial direction, each elastic clamping plate forms a machine body connection buckle, and a plurality of elastic clamping plates are elastically clamped in a plurality of connecting plate notches one by one.

[0018] Optionally, the screen middle frame comprises a middle frame cylinder and a middle frame partition plate arranged in the middle of the inner cavity of the middle frame cylinder.

[0019] The inner cavity of the middle frame cylinder is separated by the middle frame partition plate to form a first mounting cavity and a second mounting cavity, the screen circuit module is clamped in the first mounting cavity, and the screen display module is clamped in the second mounting cavity.

[0020] Optionally, the periphery of the screen circuit module is provided with a circuit board positioning groove or / and a circuit board positioning protrusion, the periphery of the first mounting cavity is provided with a first middle frame positioning protrusion or / and a first middle frame positioning groove, the first middle frame positioning protrusion is correspondingly clamped with the circuit board positioning groove or / and the circuit board positioning protrusion is correspondingly clamped with the first middle frame positioning groove.

[0021] The screen display module is provided with a screen positioning slot or / and a screen positioning clamping protrusion, and the second mounting cavity is provided with a second middle frame positioning protrusion or / and a second middle frame positioning slot on the circumferential wall, the second middle frame positioning protrusion is correspondingly clamped with the screen positioning slot, or / and the screen positioning clamping protrusion is correspondingly clamped with the second middle frame positioning slot.

[0022] Optionally, the screen outer frame comprises an outer frame cylinder sleeved on the outer circumferential side of the screen middle frame, a ring-shaped screen limiting protrusion protruding radially on the inner cavity wall of one end of the inner cavity of the outer frame cylinder, and a middle frame clamping buckle structure and a middle frame clamping protrusion protruding axially on the inner cavity wall of the other end of the inner cavity of the outer frame cylinder.

[0023] The ring-shaped screen limiting protrusion is clamped on the circumferential edge of the outer side surface of the screen display module.

[0024] The outer circumferential surface of the middle frame cylinder is provided with an axially extending outer frame clamping groove and an outer frame clamping groove structure, the middle frame clamping buckle structure is clamped and connected with the outer frame clamping groove structure, and the middle frame clamping protrusion is clamped in the outer frame clamping groove.

[0025] Optionally, one end of the outer circumferential surface of the middle frame cylinder protrudes radially to the outer side of the middle frame cylinder and is provided with a ring-shaped middle cylinder closing plate, and the outer circumferential surface of the middle cylinder closing plate abuts against the inner wall surface of the outer frame cylinder.

[0026] The middle frame clamping buckle structure comprises a clamping buckle connecting plate protruding on the inner cavity wall of the outer frame cylinder, an inner positioning clamping groove is arranged on the inner side end of the clamping buckle connecting plate, and the outer side end of the clamping buckle connecting plate protrudes outward from the end surface of the outer frame cylinder and is used for clamping and connecting with the screen mounting part.

[0027] The outer frame clamping groove structure comprises two outer frame clamping groove protrusions protruding on the outer circumferential surface of the middle frame cylinder and an inner positioning protrusion arranged on the cylinder wall of the middle frame cylinder, an outer frame clamping groove for clamping and connecting with the clamping buckle connecting plate is formed between the two outer frame clamping groove protrusions, and the inner positioning protrusion is located in the outer frame clamping groove and clamped with the inner positioning clamping groove.

[0028] The beneficial effects brought by the technical scheme of the utility model include:

[0029] The screen circuit module and the screen display module of the display screen are positioned and arranged on both sides of the screen middle frame first, and then the screen outer frame is sleeved on the outer sides of the screen circuit module, the screen display module and the screen middle frame, so that the display screen forms a module structure. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0031] Figure 1 The exploded structural schematic diagram of the display screen of the hair dryer according to the embodiment of the present application is shown.

[0032] Figure 2 The exploded structural schematic diagram of the display screen of the hair dryer according to the embodiment of the present application is shown. Figure 1 ;

[0033] Figure 3 The exploded structural schematic diagram of the display screen of the hair dryer according to the embodiment of the present application is shown. Figure 2 ;

[0034] Figure 4 The exploded structural schematic diagram of the display screen of the hair dryer according to the embodiment of the present application is shown. Figure 1 ;

[0035] Figure 2 The exploded structural schematic diagram of the display screen of the hair dryer according to the embodiment of the present application is shown. Figure 6 ;

[0036] Figure 7 The exploded structural schematic diagram of the display screen of the hair dryer according to the embodiment of the present application is shown.

[0037] Figures 1 to 2 The exploded structural schematic diagram of the display screen of the hair dryer according to the embodiment of the present application is shown.

[0038] In the figure: 10, hair dryer; 100, handle; 110, air inlet; 200, body; 210, main body; 212, cylindrical casing; 220, air outlet; 230, screen mounting portion; 232, screen positioning protrusion; 2322, first positioning plate; 2324, insulating partition; 234, screen connecting clamping groove; 300, display screen; 310, screen middle frame; 312, middle frame cylinder; 3122, first middle frame positioning protrusion; 3124, second middle frame positioning protrusion; 3125, second middle frame positioning groove; 3126, outer frame clamping groove; 3128, outer frame clamping groove structure; 31282, outer frame clamping groove protrusion; 31284, inner positioning protrusion; 3129, middle cylinder closing plate; 314, middle frame partition; 320, screen circuit module; 324, circuit board positioning groove; 330, screen display module; 332, display assembly; 334, touch screen assembly; 336, screen positioning groove; 338, screen positioning clamping protrusion; 340, screen outer frame; 3402, body positioning groove; 342, second positioning plate; 344, body connecting clamping buckle; 3442, elastic clamping plate; 346, outer frame cylinder; 3462, annular screen limiting protrusion; 3464, middle frame clamping structure; 34642, clamping connecting plate; 34644, inner positioning clamping groove; 3466, middle frame clamping protrusion. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] As Figures 2 to 3 shown, the utility model provides a kind of hair dryer 10, including handle 100, body 200 being arranged on handle 100, and display screen 300 being arranged at one end of body 200.And, body 200 can include main body 210 being arranged in handle 100, air outlet 220 being arranged at one end of main body 210, and screen mounting portion 230 being arranged at the other end of main body 210, display screen 300 can be detachably arranged at screen mounting portion 230, and handle 100 can be provided with air inlet 110.

[0041] And, as Figures 3 to 4As shown, the display screen 300 can include a screen middle frame 310, screen circuit modules 320 and screen display modules 330 respectively arranged on both sides of the screen middle frame 310, and a screen outer frame 340 arranged around the screen circuit modules 320, the screen display modules 330 and the screen middle frame 310. The screen outer frame 340 is detachably connected with the screen mounting portion 230. By positioning and arranging the screen circuit modules 320 and the screen display modules 330 of the display screen 300 on both sides of the screen middle frame 310, and then sleeving the screen outer frame 340 around the screen circuit modules 320, the screen display modules 330 and the screen middle frame 310, the display screen 300 is formed into a modular structure. Then, the screen outer frame 340 of the modular display screen 300 is detachably connected with the screen mounting portion 230 at the end of the machine body, so that the display screen 300 is detachably connected with the machine body. In this way, compared with the conventional technology of directly assembling and embedding the display screen 300 on the hair dryer 10, the display screen 300 is detachably connected with the machine body after the assembly of the display screen 300 is completed, so that the assembly, installation, disassembly and replacement of the display screen 300 are relatively simple, and the assembly process and replacement and maintenance are relatively simple and convenient.

[0042] Specifically, the screen mounting portion 230 of the machine body 200 can include a screen positioning protrusion 232 or a screen positioning recess arranged on the end face of the main machine body 210. The end face of the screen outer frame 340 is provided with a machine body positioning recess 3402 or a machine body positioning protrusion. The screen positioning protrusion 232 is detachably arranged in the machine body positioning recess 3402, or the machine body positioning protrusion is detachably arranged in the screen positioning recess. That is, the end face of the main machine body 210 and the end face of the screen outer frame 340 are detachably connected through the positioning protrusion structure and the positioning recess structure, so as to realize the detachable connection between the machine body and the display screen 300.

[0043] Further, the main machine body 210 can include a cylindrical machine shell 212 connected with the handle 100. Moreover, the screen positioning protrusion 232 can include a ring-shaped first positioning plate 2322 protruding from the end face of the cylindrical machine shell 212. Moreover, the end face of the screen outer frame 340 is provided with a ring-shaped second positioning plate 342, and the machine body positioning recess 3402 is formed in the middle of the second positioning plate 342. The second positioning plate 342 is sleeved outside the first positioning plate 2322, and the outer circumferential surface of the second positioning plate 342 is aligned with the outer circumferential surface of the cylindrical machine shell 212. That is, the ring-shaped second positioning plate 342 protruding from the end face of the screen outer frame 340 is sleeved on the ring-shaped first positioning plate 2322 on the end face of the main machine body 210, so as to realize the detachable connection between the machine body 200 and the display screen 300.

[0044] Moreover, the annular first positioning plate 2322 is formed by opening an annular groove on the outer circumferential surface of the end portion of the cylindrical casing 212, and the annular second positioning plate 342 is formed by opening an annular groove on the inner cavity wall of the end portion of the cylindrical screen outer frame 340. When the second positioning plate 342 is sleeved on the outer circumferential surface of the first positioning plate 2322, the outer frame 340 and the outer surface of the body are aligned by aligning the outer circumferential surface of the second positioning plate 342 with the outer circumferential surface of the cylindrical casing 212, so that the outer frame 340 and the outer surface of the body appear to be smoothly transitioned, like an integral.

[0045] In addition, the first positioning plate 2322 can also be sleeved on the second positioning plate 342 to achieve the clamping connection of the body and the display screen 300.

[0046] In addition, the screen positioning protrusion 232 can include an insulating partition plate 2324 protruding at the opening of the end surface of the cylindrical casing 212, which is located in the middle of the annular first positioning plate 2322, and is clamped in the body positioning groove 3402 in the middle of the second positioning plate 342 and corresponds to the screen circuit module 320. By providing the insulating partition plate 2324 at the end surface of the first positioning plate 2322 of the main body 210, the screen circuit module 320 on the inner side of the screen outer frame 340 of the display screen 300 can be blocked and limited, which can prevent the screen circuit module 320 from contacting the internal circuit structure of the body 200 and causing short circuit; at the same time, when the second positioning plate 342 is sleeved on the first positioning plate 2322, the insulating partition plate 2324 can be clamped in the body positioning groove 3402 on the inner side of the screen outer frame 340, so that the clamping of the body and the screen outer frame 340 is more reliable.

[0047] In addition, the insulating partition plate 2324 can also be recessed in the opening of the end surface of the cylindrical casing 212, i.e. recessed on the inner side of the middle of the annular first positioning plate 2322. When the first positioning plate 2322 and the second positioning plate 342 are sleeved together, the screen circuit module 320 on the inner side of the screen outer frame 340 can protrude to the inner side of the first positioning plate 2322 and abut against the insulating partition plate 2324.

[0048] In addition, the screen mounting portion 230 can also include a screen connection buckle or a screen connection slot 234 provided at the end surface of the main body 210, and the end surface of the screen outer frame 340 is provided with a body connection slot or a body connection buckle 344, and the screen connection buckle is clamped in the body connection slot or the body connection buckle 344 is clamped in the screen connection slot 234. That is, in addition to using the annular first positioning plate 2322 and the annular second positioning plate 342 to clamping connect the body and the display screen 300, the connection buckle and the connection slot can be further used to buckle connect the two, so that the body and the display screen 300 can be connected more firmly and closely.

[0049] Further, the circumferential side of the insulating partition plate 2324 is provided with a plurality of connecting plate notches, each of which forms a screen connecting slot 234. That is, a plurality of notch slots can be provided on the outer circumferential surface of the insulating partition plate 2324, the opening side of the notch slots corresponding to the inner wall surface of the first positioning plate 2322, so that the circumferential side surface of the insulating partition plate 2324 and the inner wall surface of the first positioning plate 2322 form a plurality of screen connecting slots 234.

[0050] Moreover, as shown in Figures 4 to 7 the inner circumferential surface of the screen outer frame 340 is provided with a plurality of elastic buckle plates 3442 protruding out of the end surface of the screen outer frame 340 in the axial direction, each of which forms a fuselage connecting buckle 344, and the plurality of elastic buckle plates 3442 are elastically buckled one by one in the plurality of connecting plate notches. Each of the plurality of elastic buckle plates 3442 can protrude out of the annular second positioning plate 342 at the end of the screen outer frame 340, and can be buckled and connected one by one with the plurality of screen connecting slots 234 between the insulating partition plate 2324 and the first positioning plate 2322.

[0051] Further, a buckle plate slot or a buckle plate protrusion can also be provided at the end of the elastic buckle plate 3442, and a corresponding connecting inner protrusion or connecting inner slot can also be provided inside the screen connecting slot 234, so that when the elastic buckle plate 3442 is buckled in the screen connecting slot 234, the buckle plate slot (or buckle plate protrusion) on the elastic buckle plate 3442 is further buckled with the connecting inner protrusion (or connecting inner slot) in the screen connecting slot 234, and the connection is more secure.

[0052] In addition, the elastic buckle plate 3442 can also protrude on the insulating partition plate 2324 or / and the first positioning plate 2322, and the screen connecting slot 234 can be correspondingly provided on the screen outer frame 340.

[0053] In addition, the fuselage 200 and the display screen 300 can also be detachably connected by a threaded connection, for example, a threaded sleeve that can be driven is provided on one of the end of the fuselage 200 and the end of the screen outer frame 340, and a threaded connection part is provided on the other, and the threaded sleeve is screwed onto the threaded connection part to achieve threaded connection of the fuselage 200 and the display screen 300. In addition, the fuselage 200 and the display screen 300 can also be detachably connected by a connecting screw.

[0054] In addition, as shown in ​As shown, the screen middle frame 310 can include a middle frame cylinder 312, and a middle frame partition plate 314 arranged at the middle of the inner cavity of the middle frame cylinder 312. Moreover, the middle frame partition plate 314 separates the inner cavity of the middle frame cylinder 312 to form a first installation cavity and a second installation cavity, the screen circuit module 320 is clamped in the first installation cavity, and the screen display module 330 is clamped in the second installation cavity. By arranging the screen middle frame 310 as a cylinder with open installation cavities on both sides, the screen circuit module 320 and the screen display module 330 are conveniently clamped in the two open installation cavities, and the display screen 300 is conveniently integrated.

[0055] Further, the screen circuit module 320 can be provided with a circuit board positioning groove 324 and / or a circuit board positioning protrusion on the peripheral side, and the first installation cavity of the screen middle frame 310 can be provided with a first middle frame positioning protrusion 3122 and / or a first middle frame positioning groove on the peripheral wall. The first middle frame positioning protrusion 3122 can be correspondingly clamped with the circuit board positioning groove 324, or / and the circuit board positioning protrusion can be correspondingly clamped with the first middle frame positioning groove. That is, after the screen circuit module 320 is embedded in the first installation cavity of the screen middle frame 310, the clamping structure between the two can be used for further fastening connection. In addition, after the screen middle frame 310 and the screen circuit module 320 are clamped and connected, adhesive can also be arranged at the connection gap between the two for sealing connection.

[0056] In the embodiment, the screen circuit module 320 can include a screen circuit board arranged in the first installation cavity of the screen middle frame 310, and the screen circuit board can be provided with a circuit board positioning groove 324 on the peripheral side. Correspondingly, the first installation cavity of the screen middle frame 310 can be movably provided with a first middle frame positioning protrusion 3122 on the peripheral wall, that is, the first middle frame positioning protrusion 3122 can be removed from the screen middle frame 310. When the screen circuit board is clamped in the first installation cavity of the screen middle frame 310, the first middle frame positioning protrusion 3122 can be clamped between the peripheral wall of the first installation cavity and the circuit board positioning groove 324 to clamp the screen circuit board and the screen middle frame 310. Moreover, the first middle frame positioning protrusion 3122 can include a middle frame positioning main plate clamped in the circuit board positioning groove 324, and a middle frame positioning end plate bent at the end of the middle frame positioning main plate, which is used for abutting against the surface of the screen circuit board, so as to clamp the screen circuit board.

[0057] In addition, the screen display module 330 can be provided with screen positioning slots 336 and / or screen positioning lugs 338 on the periphery thereof, and the second mounting cavity of the screen middle frame 310 can be provided with second middle frame positioning lugs 3124 and / or second middle frame positioning slots 3125 on the periphery of the sidewall thereof, the second middle frame positioning lugs 3124 correspondingly engage with the screen positioning slots 336, and / or the screen positioning lugs 338 correspondingly engage with the second middle frame positioning slots 3125. That is, after the screen display module 330 is embedded in the second mounting cavity of the screen middle frame 310, the fastening connection between the screen display module 330 and the screen middle frame 310 can be further achieved through the snap structure therebetween. Moreover, when the screen display module 330 and the screen middle frame 310 are snap connected, the screen display module 330 can be adhered to the middle frame partition plate 314 in the screen middle frame 310 through adhesive.

[0058] In the embodiment, the screen display module 330 can include a display assembly 332 and a touch screen assembly 334 stacked together, and the display assembly 332 can be adhered to the middle frame partition plate 314 in the screen middle frame 310 through adhesive. Moreover, the display assembly 332 can be provided with screen positioning slots 336 on the periphery thereof, and the touch screen assembly 334 can be provided with screen positioning lugs 338 protruding from the periphery thereof. Moreover, the second mounting cavity of the screen middle frame 310 can be provided with second middle frame positioning lugs 3124 protruding from the inner sidewall thereof, and the second mounting cavity can be provided with second middle frame positioning slots 3125 formed by notches on the periphery of the sidewall thereof, the second middle frame positioning lugs 3124 of the screen middle frame 310 can be engaged in the screen positioning slots 336 of the display assembly, and the screen positioning lugs 338 on the periphery of the touch screen assembly 334 can be engaged in the notches on the periphery of the sidewall of the screen middle frame 310, so as to achieve the snap connection between the screen display module 330 and the screen middle frame 310. Moreover, the screen positioning slots 336 on the periphery of the display assembly 332 can be correspondingly arranged with the screen positioning lugs 338 on the periphery of the touch screen assembly 334, and the second middle frame positioning lugs 3124 on the inner sidewall of the second mounting cavity of the screen middle frame 310 can be correspondingly arranged with the notches on the periphery of the sidewall of the second mounting cavity.

[0059] In addition, the screen outer frame 340 can include an outer frame cylinder 346 sleeved on the periphery of the screen middle frame 310, annular screen limiting lugs 3462 protruding from the inner cavity wall of one end of the inner cavity of the outer frame cylinder 346, and middle frame snap structures 3464 and middle frame snap lugs 3466 protruding from the inner cavity wall of the other end of the inner cavity of the outer frame cylinder 346. Moreover, the annular screen limiting lugs 3462 can be engaged on the periphery of the outer side of the screen display module 330, that is, the screen display module 330 can be limited from both sides by the annular screen limiting lugs 3462 on the end of the screen outer frame 340 and the screen middle frame 310, so that the positioning of the screen display module 330 is firm and reliable.

[0060] Further, the outer circumferential surface of the middle frame cylinder 312 of the screen middle frame 310 is provided with an axially extending outer frame clamping groove 3126 and an outer frame clamping groove structure 3128, the middle frame clamping structure 3464 is clamped and connected with the outer frame clamping groove structure 3128, and the middle frame clamping protrusion 3466 is clamped in the outer frame clamping groove 3126. Through the outer frame clamping groove 3126 of the screen middle frame 310 and the middle frame clamping protrusion 3466 of the screen outer frame 340, the screen middle frame 310 and the screen outer frame 340 can be preliminarily positioned and connected; and through the middle frame clamping structure 3464 on the screen outer frame 340 and the outer frame clamping groove structure 3128 of the screen middle frame 310, the screen middle frame 310 and the screen outer frame 340 can be tightly connected.

[0061] Further, one end of the outer circumferential surface of the middle frame cylinder 312 of the screen middle frame 310 protrudes radially outward of the middle frame cylinder 312 and is provided with an annular middle cylinder sealing plate 3129, and the outer circumferential surface of the middle cylinder sealing plate 3129 abuts against the inner wall surface of the outer frame cylinder 346. Through the annular middle cylinder sealing plate 3129 on the outer circumferential surface of the middle frame cylinder 312, the gap between the middle frame cylinder 312 and the inner wall surface of the screen outer frame 340 can be sealed. In addition, adhesive can also be filled between the middle cylinder sealing plate 3129 and the inner wall surface of the screen outer frame 340 for sealing.

[0062] Further, the middle frame clamping structure 3464 can include a clamping connection plate 34642 protruding from the inner cavity wall of the outer frame cylinder 346, the inner side end of the clamping connection plate 34642 can be provided with an inner positioning clamping groove 34644, and the outer side end of the clamping connection plate 34642 protrudes outward of the end surface of the outer frame cylinder 346 and is used for clamping connection with the screen mounting portion 230 (i.e., the middle frame clamping structure 3464 can be provided as an elastic clamping plate 3442 on the screen outer frame 340). Further, the outer frame clamping groove structure 3128 can include two outer frame clamping groove protrusions 31282 protruding from the outer circumferential surface of the middle frame cylinder 312, and an inner positioning protrusion 31284 provided on the cylinder wall of the middle frame cylinder 312, the two outer frame clamping groove protrusions 31282 surround to form the outer frame clamping groove 3126 clamped and connected with the clamping connection plate 34642, and the inner positioning protrusion 31284 is located in the outer frame clamping groove 3126 and is clamped with the inner positioning clamping groove 34644.

[0063] The middle frame clamping structure 3464 formed by the clamping connection plate 34642 and the inner positioning clamping groove 34644 can be double-clamped and connected with the outer frame clamping groove structure 3128 formed by the two outer frame clamping groove protrusions 31282 surrounding the outer frame clamping groove 3126 and the inner positioning protrusion 31284, so that the clamping connection of the screen middle frame 310 and the screen outer frame 340 is more reliable. Further, the clamping connection plate 34642 on the screen outer frame 340 can also be clamped and connected with the screen mounting portion 230 on the body.

[0064] It should be noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one from another entity or action, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0065] The above description is merely that of the specific embodiments of the present application, and enables those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hair dryer characterized by, The application relates to a handheld device, which comprises a handle, a main body arranged on the handle, an air outlet arranged on one end of the main body, a screen mounting part arranged on the other end of the main body, and a display screen. The screen mounting part comprises a screen positioning protrusion or a screen positioning groove arranged on the end surface of the main body, and the end surface of the screen outer frame is provided with a main body positioning groove or a main body positioning protrusion. The main body comprises a cylindrical casing connected with the handle. The screen positioning protrusion comprises a ring-shaped first positioning plate protruding on the end surface of the cylindrical casing.

2. The hair dryer of claim 1, wherein The end surface of the screen outer frame is provided with a ring-shaped second positioning plate, and a main body positioning groove is formed in the middle of the second positioning plate.

3. The hair dryer of claim 2, wherein, The second positioning plate is sleeved outside the first positioning plate, and the outer circumferential surface of the second positioning plate is aligned with the outer circumferential surface of the cylindrical casing. The screen positioning protrusion comprises an insulating partition plate protruding at the opening of the end surface of the cylindrical casing. The screen mounting part comprises a screen connecting buckle or a screen connecting slot arranged on the end surface of the main body. The end surface of the screen outer frame is provided with a main body connecting slot or a main body connecting buckle.

4. The hair dryer of claim 3, wherein The outer circumferential surface of the insulating partition plate is provided with a plurality of connecting plate notches, and each connecting plate notch forms a screen connecting slot.

5. The hair dryer of claim 4, wherein, The inner circumferential surface of the screen outer frame is axially provided with a plurality of elastic buckle plates protruding outside the end surface of the screen outer frame, and each elastic buckle plate forms a main body connecting buckle.

6. The hair dryer of claim 5, wherein, The screen middle frame comprises a middle frame cylinder and a middle frame partition plate arranged in the middle of the inner cavity of the middle frame cylinder. The middle frame partition plate separates the inner cavity of the middle frame cylinder into a first mounting cavity and a second mounting cavity.

7. The hair dryer of any one of claims 1-6, wherein, The circumferential surface of the screen circuit module is provided with a circuit board positioning groove or a circuit board positioning protrusion. The circumferential wall of the first mounting cavity is provided with a first middle frame positioning protrusion or a first middle frame positioning slot.

8. The hair dryer of claim 7, wherein, The first middle frame positioning protrusion is correspondingly buckled with the circuit board positioning groove, or the circuit board positioning protrusion is correspondingly buckled with the first middle frame positioning slot. The screen display module is provided with a screen positioning slot or / and a screen positioning clamping protrusion on the circumferential side, the second mounting cavity is provided with a second middle frame positioning protrusion or / and a second middle frame positioning slot on the circumferential wall, the second middle frame positioning protrusion is correspondingly clamped with the screen positioning slot or / and the screen positioning clamping protrusion is correspondingly clamped with the second middle frame positioning slot.

9. The hair dryer of claim 7, wherein, The screen outer frame comprises an outer frame cylinder sleeved on the outer circumferential side of the screen middle frame, an annular screen limiting protrusion protruding radially on the inner cavity wall of one end of the inner cavity of the outer frame cylinder, and a middle frame clamping structure and a middle frame clamping protrusion protruding axially on the inner cavity wall of the other end of the inner cavity of the outer frame cylinder; The annular screen limiting protrusion is clamped on the circumferential edge of the outer side surface of the screen display module; The outer circumferential surface of the middle frame cylinder is provided with an outer frame clamping groove and an outer frame clamping slot structure extending axially, the middle frame clamping structure is clamped and connected with the outer frame clamping slot structure, and the middle frame clamping protrusion is clamped in the outer frame clamping groove.

10. The hair dryer of claim 9, wherein, One end of the outer circumferential surface of the middle frame cylinder protrudes radially outward of the middle frame cylinder and is provided with an annular middle cylinder closing plate, and the outer circumferential surface of the middle cylinder closing plate abuts against the inner wall surface of the outer frame cylinder; The middle frame clamping structure comprises a clamping and connecting plate protruding on the inner cavity wall of the outer frame cylinder, an inner positioning clamping slot is arranged on the inner side end of the clamping and connecting plate, and the outer side end of the clamping and connecting plate protrudes outward of the end surface of the outer frame cylinder and is used for clamping and connecting with the screen mounting part; The outer frame clamping slot structure comprises two outer frame clamping slot protrusions protruding on the outer circumferential surface of the middle frame cylinder and an inner positioning protrusion arranged on the cylinder wall of the middle frame cylinder, the outer frame clamping slot is formed between the two outer frame clamping slot protrusions and clamping and connected with the clamping and connecting plate, and the inner positioning protrusion is located in the outer frame clamping slot and clamped with the inner positioning clamping slot.