Handle folding structure of electric hair drier

Abstract

The utility model discloses an electric hair drier handle folding structure which comprises an air cylinder and a handle, the handle comprises a handle part, a splicing connecting part and a rotating assembly, the connecting face of the handle part and the splicing connecting part is an inclined face, the rotating assembly is arranged on the connecting face of the handle part and the splicing connecting part, and the rotating assembly comprises an elastic positioning piece and a rotating piece. The elastic positioning piece comprises a connecting shaft, a first positioning ring and a second positioning ring, the first positioning ring and the second positioning ring are arranged at the two ends, a first wire through hole is formed in the connecting shaft in the axial direction in a penetrating mode, the first positioning ring is fixedly arranged in the splicing connecting part, the second positioning ring is rotationally arranged in the handle part, the rotating piece is fixed in the handle part, and first positioning grooves are oppositely formed in the side wall of the first wire through hole. The rotating piece is provided with a first positioning protrusion embedded into the first positioning groove in the folded state or the unfolded state. The electric hair drier handle folding structure enables the handle not to be unfolded or folded by mistake easily, and is simple in structure and convenient to assemble.

Description

Technical Field

[0001] The utility model belongs to the technical field of hair dryers, in particular to a folding structure of a hair dryer handle. Background Art

[0002] A hair dryer is a device that uses a motor to drive the fan blades to rotate and thus make the air flow. It generally includes a hair dryer and a handle. The hair dryer is equipped with a heating wire and a fan. The fan drives the air to flow through the heating wire to blow out hot air to dry the hair faster. It is a commonly used household appliance.

[0003] The connection method between the hair dryer and the handle of the existing hair dryer is generally to open a connection port on the side of the hair dryer, and connect the handle and the hair dryer by screws or buckles. Most hair dryer handles are fixedly connected to the hair dryer, which makes the hair dryer bulky and inconvenient to carry. Therefore, a hair dryer with a foldable handle has emerged. The foldable structure of the existing hair dryer handle is generally to connect the handle to the side of the hair dryer by hinged connection. Although the handle is foldable in this connection method, it is easy to accidentally unfold or fold the handle. Summary of the invention

[0004] The utility model aims at the deficiencies of the prior art and provides a folding structure for a hair dryer handle. The folding structure for the hair dryer handle can conveniently realize the unfolding and folding of the handle, has reliable positioning, is not easy to accidentally unfold or fold the handle, has a simple structure, and is easy to assemble.

[0005] In order to solve the above technical problems, the utility model solves the problems through the following technical solutions: a folding structure of a hair dryer handle, comprising a hair dryer and a handle, the handle comprising a handle portion, a spliced ​​connection portion and a rotating assembly, the interface between the handle portion and the spliced ​​connection portion is an inclined surface, the rotating assembly is arranged at the interface between the handle portion and the spliced ​​connection portion, the rotating assembly comprises an elastic positioning member and a rotating member, the elastic positioning member comprises a connecting shaft and a first positioning ring and a second positioning ring at both ends, a first wire-passing hole is arranged along the axial direction of the connecting shaft, the first positioning ring is fixed in the spliced ​​connection portion, the second positioning ring is rotatably arranged in the handle portion, the rotating member is fixed in the handle portion, the side walls of the first wire-passing hole are oppositely provided with first positioning grooves, and the rotating member is provided with a first positioning protrusion that is embedded in the first positioning groove in a folded state or an unfolded state. This hair dryer handle folding structure drives the rotating part to rotate by rotating the handle. When the rotating part rotates, the first positioning protrusion squeezes the inner wall of the first wire hole to deform it and has a certain damping force. The first positioning protrusion on the rotating part can be embedded in the first positioning groove in both the folded state and the unfolded state, so that the handle can be positioned to a certain extent, making it difficult for the handle to be accidentally unfolded or folded. The structure is simple and easy to assemble.

[0006] In the above technical solution, preferably, the spliced ​​connection part includes a first connection block and a second connection block spliced ​​from both sides of the wind tube, the first connection block and the second connection block are spliced ​​to form a first limiting ring, and the first positioning ring is fixedly clamped on the inner side of the first limiting ring. With this structure, the spliced ​​connection part connects the handle and the wind tube as a whole, and because the first connection block and the second connection block wrap the wind tube, the outer periphery of the wind tube can be supported, making the support more reliable, and the assembly is more convenient, and the assembly efficiency is improved.

[0007] In the above technical solution, preferably, the side wall of the wind tube is provided with a plurality of positioning holes, and the inner wall of the first connection block and / or the second connection block is provided with limiting protrusions embedded in the positioning holes. The limiting protrusions are aligned with the positioning holes to achieve connection between the wind tube and the spliced ​​connection part.

[0008] In the above technical solution, preferably, the hair dryer comprises an inner hair dryer and a decorative cover, the decorative cover is arranged on the outer side of the inner hair dryer and fixed by a buckle, and the positioning holes are arranged on both the inner hair dryer and the decorative cover. The decorative cover makes the hair dryer more beautiful in appearance, and the positioning holes are arranged on both the hair dryer and the decorative cover, so that the positioning between the hair dryer and the decorative cover is more secure.

[0009] In the above technical solution, preferably, the first connection block is provided with a threaded hole, the second connection block is provided with a first through hole, and a screw passes through the first through hole and is screwed into the threaded hole to fix the first connection block and the second connection block. This structure makes the splicing and positioning of the first connection block and the second connection block more firm and reliable, and is convenient for assembly.

[0010] In the above technical solution, preferably, the side wall of the wind tube is provided with an extension toward the handle, the two sides of the extension are against the side wall of the threaded hole and the side wall of the first through hole, the extension is provided with a second through hole, the screw passes through the first through hole, the second through hole and is screwed into the threaded hole to fix the first connection block, the wind tube and the second connection block. With this structure, when the first connection block and the second connection block are assembled and fixed, the wind tube is also further positioned, so that the positioning of the wind tube and the handle is more firm and reliable.

[0011] In the above technical solution, preferably, a second limiting ring is provided at one end of the handle close to the spliced ​​connection part, the second positioning ring is rotatably arranged inside the second limiting ring, and the first limiting ring and the second limiting ring are clamped between the first positioning ring and the second positioning ring. With this structure, the elastic force of the elastic positioning member can improve the sealing performance of the connection between the first limiting ring and the second limiting ring and the elastic positioning member.

[0012] In the above technical solution, preferably, a second positioning groove is provided on the inner wall of the handle, and a second positioning protrusion embedded in the second positioning groove is provided on the rotating member.

[0013] In the above technical solution, preferably, a second wire passing hole is provided on a side of the hair dryer close to the handle, and a wire passing channel is provided in the spliced ​​connection portion between the first wire passing hole and the second wire passing hole.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the folding structure of the hair dryer handle drives the rotating part to rotate by rotating the handle; when the rotating part rotates, the first positioning protrusion squeezes the inner wall of the first wire hole to deform it and has a certain damping force; the first positioning protrusion on the rotating part can be embedded in the first positioning groove in both the folded state and the unfolded state, so that the handle can be positioned to a certain extent, making it difficult for the handle to be accidentally unfolded or folded; the structure is simple and the assembly is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model in an expanded state.

[0016] Figure 2 It is a schematic diagram of the overall structure of the embodiment of the utility model in a folded state.

[0017] Figure 3 It is a schematic diagram of the exploded structure of an embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of the internal structure of the handle in the embodiment of the utility model.

[0019] Figure 5 It is a schematic structural diagram of one side of the handle in an embodiment of the utility model.

[0020] Figure 6 It is a schematic diagram of the exploded structure of the rotating assembly in the embodiment of the utility model.

[0021] Figure 7 It is a structural schematic diagram of the first connecting block in an embodiment of the utility model.

[0022] Figure 8 It is a structural schematic diagram of the second connecting block in the embodiment of the utility model. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: Figures 1 to 8A folding structure of a hair dryer handle comprises a hair dryer 1 and a handle 2, the hair dryer 1 has an air inlet and an air outlet, a fan is arranged in the hair dryer 1, the handle 2 comprises a handle 3, a splicing connection part 4 and a rotating assembly 5, the interface between the handle 3 and the splicing connection part 4 is an inclined surface, the rotating assembly 5 is arranged at the interface between the handle 3 and the splicing connection part 4, the rotating assembly 5 comprises an elastic positioning member 51 and a rotating member 52, the elastic positioning member 51 comprises a connecting shaft 511 and a first positioning ring 512 and a second positioning ring 513 at both ends, a first wire hole 514 is arranged along the axial direction of the connecting shaft 511, the first positioning ring 512 is fixed in the splicing connection part 4, the second positioning ring 513 is rotatably arranged in the handle 3, the rotating member 52 is fixed in the handle 3, the side wall of the first wire hole 514 is oppositely provided with a first positioning groove 515, and the rotating member 52 is provided with a first positioning protrusion 521 which is embedded in the first positioning groove 515 in a folded state or an unfolded state. This hair dryer handle folding structure drives the rotating part 52 to rotate by rotating the handle 3. When the rotating part 52 rotates, the first positioning protrusion 521 squeezes the inner wall of the first wire hole 514 to deform it and has a certain damping force. The first positioning protrusion 521 on the rotating part 52 can be embedded in the first positioning groove 525 in both the folded state and the unfolded state, so that the handle 3 can be positioned to a certain extent, making it difficult for the handle 2 to be accidentally unfolded or folded. The structure is simple and easy to assemble.

[0024] In this embodiment, the spliced ​​connection part 4 includes a first connection block 41 and a second connection block 42 spliced ​​from both sides of the wind tube 1, the first connection block 41 and the second connection block 42 are spliced ​​to form a first limiting ring 43, the first positioning ring 512 is fixedly clamped inside the first limiting ring 43, and the shape of the first limiting ring 43 matches the shape of the first positioning ring 512. With this structure, the spliced ​​connection part connects the handle 3 and the wind tube 1 as a whole, and because the first connection block 41 and the second connection block 42 wrap the wind tube 1, the outer periphery of the wind tube 1 can be supported, making the support more reliable, and the assembly is more convenient, and the assembly efficiency is improved.

[0025] In this embodiment, a plurality of positioning holes 11 are provided on the side wall of the wind tube 1, and a limiting protrusion 44 embedded in the positioning hole 11 is provided on the inner wall of the first connection block 41 and / or the second connection block 42. Of course, it is also possible that only one of the first connection block 41 and the second connection block 42 is provided with the limiting protrusion 44. In this embodiment, positioning holes 11 are provided on both sides of the wind tube 1, and a limiting protrusion 44 is provided on the inner wall of the first connection block 41 and the second connection block 42. By aligning the limiting protrusion 44 with the positioning hole 11, the splicing connection part 4 can be conveniently positioned and assembled with the wind tube 1.

[0026] In this embodiment, the hair dryer 1 includes an inner hair dryer and a decorative cover, the decorative cover is arranged on the outer side of the inner hair dryer and fixed by a buckle, and both the inner hair dryer and the decorative cover are provided with positioning holes 11. The decorative cover makes the hair dryer more beautiful in appearance, and the positioning holes 11 are provided on both the hair dryer and the decorative cover, so that the positioning between the hair dryer 1 and the decorative cover is more secure.

[0027] In this embodiment, the first connection block 41 is provided with a threaded hole 411, and the second connection block 42 is provided with a first through hole 421. The screw passes through the first through hole 421 and is screwed into the threaded hole 411 to fix the first connection block 41 with the second connection block 42. This structure makes the assembly and positioning of the first connection block 41 and the second connection block 42 more firm and reliable, and is convenient for assembly.

[0028] In this embodiment, an extension portion 12 is provided on the side wall of the wind tube 1 toward the handle 3, and the two sides of the extension portion 12 abut against the side walls of the threaded hole 411 and the side walls of the first through hole 421. A second through hole 121 is provided on the extension portion 12, and a screw passes through the first through hole 421 and the second through hole 121 and is screwed into the threaded hole 411 to fix the first connection block 41, the wind tube 1 and the second connection block 42. With this structure, when the first connection block 41 and the second connection block 42 are assembled and fixed, the wind tube 1 is also further positioned, so that the positioning of the wind tube 1 and the handle 2 is more firm and reliable.

[0029] In this embodiment, a second stop ring 31 is provided at one end of the handle 3 close to the splicing connection part 4, a second positioning ring 513 is rotatably arranged inside the second stop ring 31, and the first stop ring 43 and the second stop ring 31 are sandwiched between the first positioning ring 512 and the second positioning ring 513. With this structure, the elastic force of the elastic positioning member 51 makes the sealing of the connection between the first stop ring 43 and the second stop ring 31 and the elastic positioning member 51 better.

[0030] In this embodiment, the inner wall of the handle 3 is provided with a second positioning groove 32, and the rotating member 52 is provided with a second positioning protrusion 522 embedded in the second positioning groove 32. In this embodiment, the inner wall of the handle 3 is provided with a second positioning groove 32 on both sides, and the rotating member 52 is provided with a second positioning protrusion 522 on both sides.

[0031] In this embodiment, a second wire hole 13 is provided on one side of the hair dryer 1 near the handle 2, and a wire passage 45 is provided in the spliced ​​connection portion 4 between the first wire hole 514 and the second wire hole 13. The structure is adopted so that the fan in the hair dryer 1 can be connected to the circuit board and the switch in the handle 3 through wires, and hidden in the spliced ​​connection portion 4.

[0032] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A foldable hair dryer handle structure, comprising a hair dryer cylinder (1) and a handle (2), characterized in that: The handle (2) comprises a handle portion (3), a spliced ​​connection portion (4) and a rotating assembly (5); the interface between the handle portion (3) and the spliced ​​connection portion (4) is an inclined surface; the rotating assembly (5) is arranged at the interface between the handle portion (3) and the spliced ​​connection portion (4); the rotating assembly (5) comprises an elastic positioning member (51) and a rotating member (52); the elastic positioning member (51) comprises a connecting shaft (511) and a first positioning ring (512) and a second positioning ring (513) at two ends; and the elastic positioning member (51) is arranged along the connecting shaft (511) and the first positioning ring (512) and the second positioning ring (513) at two ends. A first wire hole (514) is axially penetrated by the handle (511), the first positioning ring (512) is fixedly arranged in the spliced ​​connection part (4), the second positioning ring (513) is rotatably arranged in the handle (3), the rotating member (52) is fixed in the handle (3), a first positioning groove (515) is arranged on the side wall opposite to the first wire hole (514), and the rotating member (52) is provided with a first positioning protrusion (521) which is embedded in the first positioning groove (515) in the folded state or the unfolded state.

2. A foldable structure for a hair dryer handle as claimed in claim 1, characterized in that: The spliced ​​connection portion (4) comprises a first connection block (41) and a second connection block (42) spliced ​​from two sides of the air duct (1); the first connection block (41) and the second connection block (42) are spliced ​​together to form a first limiting ring (43); and the first positioning ring (512) is fixedly clamped on the inner side of the first limiting ring (43).

3. A foldable structure for a hair dryer handle as claimed in claim 2, characterized in that: The side wall of the wind tube (1) is provided with a plurality of positioning holes (11), and the inner wall of the first connecting block (41) and / or the second connecting block (42) is provided with a limiting protrusion (44) embedded in the positioning hole (11).

4. A foldable hair dryer handle structure as claimed in claim 3, characterized in that: The air duct (1) comprises an inner air duct and a decorative sleeve, wherein the decorative sleeve is arranged on the outer side of the inner air duct and fixed by a buckle, and the positioning hole (11) is provided on both the inner air duct and the decorative sleeve.

5. A foldable structure for a hair dryer handle as claimed in claim 2, characterized in that: The first connection block (41) is provided with a threaded hole (411), and the second connection block (42) is provided with a first through hole (421); a screw passes through the first through hole (421) and is screwed into the threaded hole (411) to fix the first connection block (41) and the second connection block (42) together.

6. A foldable hair dryer handle structure as claimed in claim 5, characterized in that: An extension portion (12) is provided on the side wall of the air cylinder (1) in the direction of the handle portion (3), and two sides of the extension portion (12) abut against the side walls of the threaded hole (411) and the side walls of the first through hole (421), and a second through hole (121) is provided on the extension portion (12), and the screw passes through the first through hole (421), the second through hole (121), and is screwed into the threaded hole (411) to fix the first connecting block (41), the air cylinder (1), and the second connecting block (42) together.

7. A foldable hair dryer handle structure as claimed in claim 2, characterized in that: A second limiting ring (31) is provided at one end of the handle (3) close to the splicing connection portion (4); the second positioning ring (513) is rotatably arranged inside the second limiting ring (31); and the first limiting ring (43) and the second limiting ring (31) are sandwiched between the first positioning ring (512) and the second positioning ring (513).

8. The foldable structure of a hair dryer handle according to claim 1, characterized in that: The inner wall of the handle (3) is provided with a second positioning groove (32), and the rotating member (52) is provided with a second positioning protrusion (522) embedded in the second positioning groove (32).

9. The foldable structure of a hair dryer handle according to claim 1, characterized in that: A second wire passing hole (13) is provided on a side of the hair dryer (1) close to the handle (2), and a wire passing channel (45) is provided in the spliced ​​connection portion (4) between the first wire passing hole (514) and the second wire passing hole (13).

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