Foldable wind comb
By designing a foldable comb, the handle and nozzle can be folded 90° or 180°, solving the problem of traditional combs taking up too much space and improving portability and flexibility of use.
Patent Information
- Application Number
- CN202423304085.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In existing technologies, combs cannot be folded and are usually L-shaped or T-shaped, taking up a lot of space for daily use, making them inconvenient to store and difficult to carry when traveling.
Design a foldable comb that achieves a foldable connection between the handle and the air duct through a first folding structure and a second folding structure, including a first central shaft, a rotating ring, a folding shell, a fixing structure, etc., allowing the handle to be folded inward by 90° or 180° relative to the air duct.
It solves the problem of traditional hair dryers taking up a lot of space due to their fixed structure and inability to be folded, and improves the convenience of daily use and carrying when traveling.
Smart Images
Figure CN223745936U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of wind comb, concretely relates to a foldable wind comb convenient to store and easy to carry. BACKGROUND
[0002] The wind comb is a hairdressing tool integrating the functions of a hair dryer and a hair comb. In the process of drying hair, the wind comb can simultaneously comb hair, massage scalp and shape hair style. The structure of the wind comb mainly comprises a handle and a comb head. The handle is internally provided with an air inlet, an air duct and an air outlet for generating and transmitting air flow. The comb head is equipped with comb teeth of various shapes and sizes to meet the individual needs of different users.
[0003] At present, most of the wind combs on the market cannot be folded and have a large size, which is inconvenient to store and carry. Since they cannot be folded and are usually L-shaped or T-shaped, the wind combs usually occupy a large space in daily use, and no matter they are placed in a drawer, a cabinet or a washstand, they will look quite conspicuous and will occupy the storage space of other items. When traveling, the specific shape and large size of the wind comb make it difficult to easily fit into a backpack or luggage, affecting the flexibility and convenience of using the wind comb.
[0004] Therefore, how to design a wind comb convenient to store and easy to carry is a technical problem that has not been solved in the prior art. UTILITY MODEL CONTENT
[0005] Therefore, the technical problem to be solved by the utility model is to overcome the technical defects in the prior art that the wind comb cannot be folded and is usually L-shaped or T-shaped, occupies a large space in daily use and is inconvenient to store and carry, so as to provide a foldable wind comb convenient to store and easy to carry.
[0006] To this end, the utility model provides a foldable wind comb, which comprises a handle and a wind barrel, and the handle and the wind barrel are foldably connected through a first folding structure.
[0007] The first folding structure comprises:
[0008] A first central shaft is fixedly connected to the inner side wall of the handle at one end and extends in a direction perpendicular to the axis of the handle at the other end.
[0009] A first rotating ring is installed on the first central shaft through a first through hole formed in the middle, and one end face is fixedly connected to the handle through a first limiting structure, and the other end face is provided with at least two first limiting sliding blocks, and the at least two first limiting sliding blocks are evenly distributed around the first through hole.
[0010] The folding shell is rotatably sleeved on the first central shaft through a first central through hole in the middle and is provided with a first mounting groove on the side facing the first rotating ring; the end of the handle is provided with a handle opening, and the air duct is mounted on the end of the folding shell extending from the handle opening;
[0011] The second rotating ring is sleeved on the first central shaft through a second through hole in the middle, one end face is limited and mounted in the first mounting groove through a second limiting structure, and the other end face is provided with at least four first limiting sliding grooves capable of slidingly cooperating with the first limiting sliding blocks, and the at least four first limiting sliding grooves are uniformly distributed around the second through hole;
[0012] The first fixing structure limits and fixedly mounts the first rotating ring, the second rotating ring and the folding shell on the handle by extruding the folding shell.
[0013] As a preferred solution, the first limiting structure comprises:
[0014] The first limiting groove is provided on the inner wall of the handle and is arranged around the first central shaft;
[0015] The first limiting strip is provided on one end face of the first rotating ring and can be matched and docked with the first limiting grooves respectively;
[0016] Preferably, the first limiting cylinder is integrally formed on the inner wall of the handle, the first limiting cylinder is arranged around the first central shaft, and the first limiting grooves are formed on the end face of the first limiting cylinder.
[0017] As a preferred solution, the second limiting structure comprises:
[0018] The first limiting insertion hole is provided on the bottom of the first mounting groove;
[0019] The first limiting insertion column is provided on one end face of the second rotating ring and can be respectively inserted into the first limiting insertion holes.
[0020] As a preferred solution, the first fixing structure comprises:
[0021] The first fixing threaded hole is formed on the free end of the first central shaft;
[0022] The first limiting flange is formed on the inner wall of the first central through hole;
[0023] The first fixed bolt is screwed through the first central through hole and the first fixed threaded hole and abuts against the first limiting flange, so as to extrude the folding shell and limit and fix the first rotating ring, the second rotating ring and the folding shell on the handle.
[0024] As a preferred solution, the folding shell is buckled by two parts and fixed by the first fixing structure.
[0025] As a preferred solution, a first boss and a second boss are oppositely formed on the outer wall of the folding shell in the circumferential direction of the rotating direction of the first central axis; the handle opening has a first top edge and a second top edge respectively opposite to the first boss and the second boss.
[0026] In the initial state, the handle is connected with the air duct in the vertical direction; the first boss faces the tail end of the air duct, and the second boss faces the air outlet end of the air duct; the first boss is in contact connection with the first top edge, and the first top edge can prevent the handle from rotating away from the air outlet end of the air duct by blocking the first boss; the second boss has a spacing distance from the second top edge, so that the second top edge cannot block the second boss, thereby allowing the handle to rotate towards the air outlet end of the air duct.
[0027] As a preferred solution, the air duct is foldably connected with the end of the folding shell extending from the handle opening through a second folding structure.
[0028] The second folding structure comprises:
[0029] A second central axis is fixedly connected with the inner side wall of the air duct at one end and extends towards the axial direction of the handle at the other end.
[0030] A third rotating ring is installed on the second central axis through a third through hole formed in the middle, and one end face is limited and fixed with the air duct through a third limiting structure, and the other end face is provided with at least four second limiting sliding grooves which are uniformly distributed around the third through hole.
[0031] A second central through hole is formed in the folding shell for the second central axis to pass through rotatably.
[0032] A second installation groove is arranged on the end face of the folding shell towards the third rotating ring.
[0033] The fourth rotating ring is sleeved on the second central shaft through a fourth through hole formed in the middle portion, one end face is limitedly installed in the second installation groove through a fourth limiting structure, and the other end face is provided with at least two second limiting sliding blocks capable of slidingly matching the second limiting sliding groove.
[0034] The second fixing structure limits and fixedly installs the third rotating ring, the fourth rotating ring and the folding shell on the air duct through extruding the folding shell.
[0035] As a preferred scheme, the third limiting structure comprises:
[0036] The second limiting insertion hole is provided on the side wall of the air duct.
[0037] The second limiting insertion column is provided on one end face of the third rotating ring and can be respectively inserted into the second limiting insertion hole.
[0038] And / or, the fourth limiting structure comprises:
[0039] The second limiting slot is provided on the bottom of the second installation groove.
[0040] The second limiting strip is provided on one end face of the fourth rotating ring and can be respectively matched and docked with the second limiting slot.
[0041] As a preferred scheme, the second rotating limiting structure comprises:
[0042] The rotating limiting column is formed on the outer wall of the fourth rotating ring and upwardly protrudes from the end face of the fourth rotating ring by a certain height;
[0043] The rotating limiting table is two and is formed on the outer wall of the third rotating ring and is located on the rotating path of the rotating limiting column.
[0044] Preferably, the rotating limiting column rotates from being in contact with one rotating limiting table to being in contact with the other rotating limiting table, and the rotating angle is 180 degrees.
[0045] As a preferred scheme, the second fixing structure comprises:
[0046] The second fixing threaded hole is formed in the free end of the second central shaft.
[0047] The second limiting flange is formed on the inner wall of the second central through hole.
[0048] The second fixing bolt is screwed through the second center through hole and the second fixing threaded hole and abuts against the second limiting flange, thereby extruding the folding shell and limiting and fixing the third rotating ring, the fourth rotating ring and the folding shell on the air cylinder.
[0049] The technical scheme has the following advantages:
[0050] The folding air comb comprises a handle, an air cylinder and a first folding structure; the handle and the air cylinder are foldably connected through the first folding structure; the first folding structure comprises a first central shaft, a first rotating ring, a folding shell, a second rotating ring and a first fixing structure; one end of the first central shaft is fixedly connected with an inner side wall of the handle, and the other end extends in a direction perpendicular to an axis direction of the handle; the first rotating ring is sleeved and installed on the first central shaft through a first through hole formed in a middle portion of the first rotating ring, one end face is limited and fixed with the handle through a first limiting structure, and the other end face is provided with at least two first limiting sliding blocks which are uniformly distributed around the first through hole; the folding shell is rotatably sleeved and installed on the first central shaft through a first center through hole formed in a middle portion of the folding shell, and is provided with a first mounting groove on a side facing the first rotating ring; an end portion of the handle has a handle opening, and the air cylinder is installed on an end portion of the folding shell extending from the handle opening; the second rotating ring is sleeved and installed on the first central shaft through a second through hole formed in a middle portion of the second rotating ring, one end face is limited and installed in the first mounting groove through a second limiting structure, and the other end face is provided with at least four first limiting sliding grooves which can be slidably matched with the first limiting sliding blocks, and the at least four first limiting sliding grooves are uniformly distributed around the second through hole; the first fixing structure limits and fixedly installs the first rotating ring, the second rotating ring and the folding shell on the handle by extruding the folding shell.
[0051] When the folding air comb is stored, the handle can be folded inward by 90° relative to the air cylinder. Specifically, in an initial state, the first rotating ring and the second rotating ring in the handle are in an initial matching position, and the two first limiting sliding blocks are located in the two first limiting sliding grooves respectively; when folding operation is performed, the handle is pushed, so that the handle drives the first rotating ring to rotate; in this process, the two first limiting sliding blocks originally located in the initial matching position are gradually turned out of the two first limiting sliding grooves and turned into the other two first limiting sliding grooves along with the rotation of the first rotating ring, so that the handle is rotated by 90° relative to the air cylinder. Compared with most air combs which cannot be folded, the air comb of the utility model can be stored when used daily or when traveling, and solves the problem of large space occupation caused by the fixed structure of the traditional air comb. BRIEF DESCRIPTION OF DRAWINGS
[0052] In order to more clearly illustrate the technical scheme in the prior art or the specific embodiment of the utility model, the drawings used in the description of the prior art or the specific embodiment are briefly introduced as follows.
[0053] Figure 1 is the overall structure diagram of the foldable wind comb of the utility model.
[0054] Figure 2 is Figure 1 the explosion structure diagram.
[0055] Figure 3 is Figure 2 the structure enlarged diagram of A part in
[0056] Figure 4 is Figure 2 the other perspective view of
[0057] Figure 5 is Figure 4 the structure enlarged diagram of B part in
[0058] Figure 6 is Figure 2 the other perspective view of
[0059] Figure 7 is Figure 6 the structure enlarged diagram of C part in
[0060] Figure 8 is Figure 2 the other perspective view of
[0061] Figure 9 is Figure 8 the structure enlarged diagram of D part in
[0062] Figure 10 is Figure 1 the explosion structure diagram of handle and folding shell in
[0063] Label: 1, handle; 11, handle opening; 12, first limiting cylinder; 13, first top edge; 14, second top edge; 2, air duct; 21, second center shaft; 22, third rotating ring; 23, third through hole; 24, second limiting sliding groove; 25, second center through hole; 26, second mounting groove; 27, fourth rotating ring; 28, fourth through hole; 29, second limiting sliding block; 3, first center shaft; 4, first rotating ring; 41, first through hole; 42, first limiting sliding block; 5, folding shell; 51, first center through hole; 52, first mounting groove; 53, first boss; 54, second boss; 6, second rotating ring; 61, first through hole; 62, first limiting sliding groove; 7, first limiting groove; 71, first limiting strip; 72, second limiting insertion hole; 73, second limiting insertion column; 74, second limiting groove; 75, second limiting strip; 8, first limiting insertion hole; 81, first limiting insertion column; 9, first fixed threaded hole; 91, first limiting flange; 92, first fixed bolt; 93, rotating limiting column; 94, rotating limiting table; 95, second fixed threaded hole; 97, second fixed bolt. DETAILED DESCRIPTION
[0064] In order to make the technical personnel in the art better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by the technical personnel in the art without creative labor should belong to the scope of protection of the present application.
[0065] It should be noted that the terms "first", "second" and the like in the claims and the description of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units is not limited to those clearly listed steps or units, but can also include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0066] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used for better description of the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances. In addition, the meaning of the term "a plurality of" should be two and more than two. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0067] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. Embodiments
[0068] The present embodiment provides a foldable hair dryer, as shown in Figures 1-5 comprising a handle 1 and a hair dryer barrel 2; the handle 1 and the hair dryer barrel 2 are foldably connected through a first folding structure.
[0069] The first folding structure comprises a first central shaft 3, a first rotating ring 4, a folding shell 5, a second rotating ring 6 and a first fixing structure; wherein the first central shaft 3 is fixedly connected with the inner side wall of the handle 1 at one end and extends towards the direction perpendicular to the axial direction of the handle 1 at the other end; the first rotating ring 4 is sleeved and installed on the first central shaft 3 through the first through hole 41 opened in the middle, and one end face is fixedly limited with the handle 1 through the first limiting structure, and the other end face is provided with at least two first limiting sliding blocks 42, and the at least two first limiting sliding blocks 42 are uniformly distributed around the first through hole 41; the folding shell 5 is rotatably sleeved and installed on the first central shaft 3 through the first central through hole 51 opened in the middle, and is provided with a first mounting groove 52 on the side facing the first rotating ring 4; the end of the handle 1 has a handle opening 11, and the air cylinder 2 is installed on the end of the folding shell 5 extending from the handle opening 11; the second rotating ring 6 is sleeved and installed on the first central shaft 3 through the second through hole 61 opened in the middle, and one end face is fixedly installed inside the first mounting groove 52 through the second limiting structure, and the other end face is provided with at least four first limiting sliding grooves 62 capable of slidingly cooperating with the first limiting sliding blocks 42, and the at least four first limiting sliding grooves 62 are uniformly distributed around the second through hole 61; the first fixing structure limits and fixedly installs the first rotating ring 4, the second rotating ring 6 and the folding shell 5 on the handle 1 by extruding the folding shell 5.
[0070] When the foldable hair dryer of the embodiment is stored, the handle 1 can be folded inward by 90° relative to the air cylinder 2. Specifically, in the initial state, the first rotating ring 4 and the second rotating ring 6 inside the handle 1 are in the initial cooperation position, and the two first limiting sliding blocks 42 are respectively located in the two first limiting sliding grooves 62; when folding, the handle 1 is pushed, so that the handle 1 drives the first rotating ring 4 to rotate, and in this process, the two first limiting sliding blocks 42 originally located in the initial cooperation position are gradually turned out of the two first limiting sliding grooves 62 and turned into the other two first limiting sliding grooves 62, so that the handle 1 is rotated by 90° relative to the air cylinder 2. Compared with the hair dryer that cannot be folded, the hair dryer of the embodiment can be stored when used daily or when traveling, solving the problem of large space occupation caused by the fixed structure of the traditional hair dryer.
[0071] As Figure 3 and 5As shown, the first limiting structure comprises: a first limiting slot 7 and a first limiting strip 71; wherein the first limiting slot 7 has a plurality of, which is arranged on the inner wall of the handle 1 and surrounds the first central axis 3; the first limiting strip 71 has a plurality of, which is arranged on one end surface of the first rotating ring 4 and can be matched and docked with the plurality of first limiting slots 7 respectively. The first limiting strip 71 and the first limiting slot 7 are matched and docked, so that the handle 1 can drive the first rotating ring 4 to rotate when rotating, thereby completing the folding operation.
[0072] In the embodiment, the first limiting cylinder 12 is integrally formed on the inner wall of the handle 1, which surrounds the first central axis 3, and a plurality of first limiting slots 7 are formed on the end surface of the first limiting cylinder 12.
[0073] The second limiting structure comprises: a first limiting insertion hole 8 and a first limiting insertion column 81; wherein the first limiting insertion hole 8 has a plurality of, which is arranged on the bottom of the first mounting slot 52; the first limiting insertion column 81 has a plurality of, which is arranged on one end surface of the second rotating ring 6 and can be respectively inserted with the plurality of first limiting insertion holes 8.
[0074] The first fixing structure comprises: a first fixed threaded hole 9, a first limiting flange 91 and a first fixed bolt 92; wherein the first fixed threaded hole 9 is opened in the free end of the first central axis 3; the first limiting flange 91 is formed on the inner wall of the first central through hole 51; the first fixed bolt 92 is screwed through the first central through hole 51 and the first fixed threaded hole 9, and abuts against the first limiting flange 91, thereby extruding the folding shell 5, and limiting and fixing the first rotating ring 4, the second rotating ring 6 and the folding shell 5 to be installed on the handle 1.
[0075] The folding shell 5 is formed by two parts being buckled and fixed by the first fixing structure. The folding shell 5 is composed of two parts, which is convenient for installation and subsequent maintenance.
[0076] As Figure 1 , 3, 5, 10, a first boss 53 and a second boss 54 are oppositely formed on the outer wall of the folding shell 5 in the circumferential direction of the rotation direction of the first central axis 3; the handle opening 11 has a first top edge 13 and a second top edge 14 respectively opposite the first boss 53; in the initial state, the handle 1 is connected in the vertical direction with the wind cylinder 2; the first boss 53 is directed towards the tail end of the wind cylinder 2, and the second boss 54 is directed towards the air outlet end of the wind cylinder 2; the first boss 53 is in contact with the first top edge 13, and the first top edge 13 can prevent the handle 1 from rotating away from the air outlet end of the wind cylinder 2 by blocking the first boss 53; the second boss 54 has a spacing distance with the second top edge 14, so that the second top edge 14 cannot block the second boss 54, thereby allowing the handle 1 to rotate towards the air outlet end of the wind cylinder 2.
[0077] As shown in Figures 6-9 , the wind cylinder 2 is foldably connected to the end of the folding shell 5 extending from the handle opening 11 through a second folding structure.
[0078] The second folding structure comprises a second central axis 21, a third rotating ring 22, a second central through hole 25, a second mounting groove 26, a fourth rotating ring 27 and a second fixing structure; one end of the second central axis 21 is fixedly connected to the inner side wall of the wind cylinder 2, and the other end extends in the axial direction of the handle 1; the third rotating ring 22 is installed on the second central axis 21 by being sleeved with a third through hole 23 opened in the middle, one end face is limitingly fixed with the wind cylinder 2 through a third limiting structure, and the other end face is provided with at least four second limiting sliding grooves 24 which are uniformly distributed around the third through hole 23; the second central through hole 25 is opened in the folding shell 5 for the second central axis 21 to pass through rotatably; the second mounting groove 26 is arranged on the end face of the folding shell 5 towards the third rotating ring 22; the fourth rotating ring 27 is sleeved and installed on the second central axis 21 by being sleeved with a fourth through hole 28 opened in the middle, one end face is limitingly installed in the second mounting groove 26 through a fourth limiting structure, and the other end face is provided with at least two second limiting sliding blocks 29 which can be slidingly matched with the second limiting sliding grooves 24, and at least two second limiting sliding blocks 29 are uniformly distributed around the fourth through hole 28; the second fixing structure limitingly fixes and installs the third rotating ring 22, the fourth rotating ring 27 and the folding shell 5 on the wind cylinder 2 by extruding the folding shell 5.
[0079] When the handle 1 is folded 90° relative to the barrel 2, the handle 1 can be further reversed 180° relative to the barrel 2 to meet special use requirements (for example, one person holding the handle 1 to blow hair for another person). Specifically, in the initial state, the third rotating ring 22 and the fourth rotating ring 27 are in the initial matching position, and the two second limiting sliding blocks 29 are respectively located in the two second limiting sliding grooves 24; when the reversing operation is performed, the handle 1 is reversely rotated, so that the fourth rotating ring 27 is rotated, and in this process, the two second limiting sliding blocks 29 originally located in the initial matching position are gradually turned out of the two second limiting sliding grooves 24 and turned into the other two second limiting sliding grooves 24, at this time, the handle 1 can be further rotated 180° relative to the barrel 2, which can meet the special use requirements.
[0080] The third limiting structure includes: a second limiting insertion hole 72 and a second limiting insertion column 73; wherein the second limiting insertion hole 72 has a plurality of second limiting insertion holes 72 arranged on the side wall of the barrel 2; the second limiting insertion column 73 has a plurality of second limiting insertion columns 73 arranged on one end face of the third rotating ring 22, which can be respectively inserted with the plurality of second limiting insertion holes 72; the fourth limiting structure includes: a second limiting groove 74 and a second limiting strip 75; wherein the second limiting groove 74 has a plurality of second limiting grooves 74 arranged at the bottom of the second mounting groove 26; the second limiting strip 75 has a plurality of second limiting strips 75 arranged on one end face of the fourth rotating ring 27, which can be respectively matched and docked with the plurality of second limiting grooves 74.
[0081] Further comprising a second rotating limiting structure, the second rotating limiting structure includes: a rotating limiting column 93 and a rotating limiting table 94; wherein the rotating limiting column 93 is formed on the outer wall of the fourth rotating ring 27 and protrudes upward from the end face of the fourth rotating ring 27 by a certain height; the rotating limiting table 94 is two, which is formed on the outer wall of the third rotating ring 22 and located on the rotating path of the rotating limiting column 93; the rotating limiting column 93 rotates from contacting one rotating limiting table 94 to contacting the other rotating limiting table 94, and the rotating angle is 180 degrees. In the initial state, the third rotating ring 22 and the fourth rotating ring 27 are in the initial matching position, the limiting column 93 is attached to one side of the rotating limiting table 94, and the two second limiting sliding blocks 29 are respectively located in the two second limiting sliding grooves 24; after the handle 1 is reversed 180° relative to the barrel 2, the third rotating ring 22 and the fourth rotating ring 27 are in the reverse matching position, the limiting column 93 is attached to the other side of the rotating limiting table 94, and the two second limiting sliding blocks 29 are slid into the other two second limiting sliding grooves 24.
[0082] The second fixing structure comprises a second fixing threaded hole 95, a second limiting flange and a second fixing bolt 97. The second fixing threaded hole 95 is formed in the free end of the second central shaft 21. The second limiting flange is formed on the inner wall of the second central through hole 25. The second fixing bolt 97 is screwed with the second fixing threaded hole 95 through the second central through hole 25 and abuts against the second limiting flange, thereby extruding the folding shell 5 and limiting and fixing the third rotating ring 22, the fourth rotating ring 27 and the folding shell 5 on the air duct 2.
[0083] The folding air comb in the embodiment is used as follows:
[0084] When the folding air comb is stored, the handle 1 can be folded inward by 90° relative to the air duct 2. Specifically, in the initial state, the first rotating ring 4 and the second rotating ring 6 inside the handle 1 are in the initial matching position, and the two first limiting sliding blocks 42 are respectively located in the two first limiting sliding grooves 62. When folding, the handle 1 is pushed to rotate the first rotating ring 4. In this process, the two first limiting sliding blocks 42 originally located in the initial matching position are gradually turned out of the two first limiting sliding grooves 62 and turned into the other two first limiting sliding grooves 62, so that the handle 1 is rotated by 90° relative to the air duct 2.
[0085] When the handle 1 is folded by 90° relative to the air duct 2, the handle 1 can also be further reversed by 180° relative to the air duct 2 to meet special use requirements. Specifically, in the initial state, the third rotating ring 22 and the fourth rotating ring 27 are in the initial matching position, the limiting column 93 abuts against the rotating limiting table 94 on one side, and the two second limiting sliding blocks 29 are respectively located in the two second limiting sliding grooves 24. When reversing, the handle 1 is reversely rotated to rotate the fourth rotating ring 27. In this process, the two second limiting sliding blocks 29 originally located in the initial matching position are gradually turned out of the two second limiting sliding grooves 24 and turned into the other two second limiting sliding grooves 24. At this time, the handle 1 can be further rotated by 180° relative to the air duct 2 to meet special use requirements.
[0086] Obviously, the above embodiments are only examples for clearly illustrating, but not limiting the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the technical scheme.
Claims
1. A foldable hair dryer comprising a handle (1) and a hair dryer barrel (2), characterized in that: The handle (1) and the air duct (2) are foldably connected through a first folding structure; The first folding structure comprises: A first central shaft (3) is fixedly connected to an inner side wall of the handle (1) at one end and extends in a direction perpendicular to the handle (1) in an axial direction at the other end; A first rotating ring (4) is sleeved and installed on the first central shaft (3) through a first through hole (41) formed in the middle, and one end face is limitingly fixed to the handle (1) through a first limiting structure, and the other end face is provided with at least two first limiting sliding blocks (42), and the at least two first limiting sliding blocks (42) are uniformly distributed around the first through hole (41); A folding shell (5) is rotatably sleeved and installed on the first central shaft (3) through a first central through hole (51) formed in the middle, and a first mounting groove (52) is arranged on a side facing the first rotating ring (4); an end of the handle (1) has a handle opening (11), and the air duct (2) is mounted on an end of the folding shell (5) extending from the handle opening (11); A second rotating ring (6) is sleeved and installed on the first central shaft (3) through a second through hole (61) formed in the middle, and one end face is limitingly installed in the first mounting groove (52) through a second limiting structure, and the other end face is provided with at least four first limiting sliding grooves (62) capable of slidingly cooperating with the first limiting sliding blocks (42), and the at least four first limiting sliding grooves (62) are uniformly distributed around the second through hole (61); A first fixing structure limitingly fixes and installs the first rotating ring (4), the second rotating ring (6) and the folding shell (5) on the handle (1) by extruding the folding shell (5).
2. The foldable hairbrush of claim 1, wherein, The first limiting structure comprises: A first limiting groove (7) is arranged on an inner side wall of the handle (1) and surrounds the first central shaft (3); A first limiting strip (71) is arranged on one end face of the first rotating ring (4) and can be matched and docked with the first limiting groove (7).
3. The foldable hairbrush of claim 2, wherein: A first limiting cylinder (12) is integrally formed on an inner wall of the handle (1) and surrounds the first central shaft (3), and a plurality of first limiting grooves (7) are formed on an end face of the first limiting cylinder (12).
4. The foldable hairbrush of claim 1, wherein, The second limiting structure comprises: A first limiting insertion hole (8) is arranged at the bottom of the first mounting groove (52); A first limiting insertion column (81) is arranged on one end face of the second rotating ring (6) and can be respectively inserted into the first limiting insertion hole (8).
5. The foldable hairbrush of claim 1, wherein, The first fixing structure comprises: A first fixing threaded hole (9) is formed in a free end of the first central shaft (3); A first limiting flange (91) is formed on an inner wall of the first central through hole (51); A first fixed bolt (92) is screwed through the first central through hole (51) and the first fixed threaded hole (9) and abuts against the first limiting flange (91), thereby extruding the folding shell (5) and limiting and fixing the first rotating ring (4), the second rotating ring (6) and the folding shell (5) on the handle (1).
6. The foldable hairbrush of claim 5, wherein: The folding shell (5) is formed by two parts being buckled and fixed by the first fixing structure.
7. The foldable hairbrush of claim 1, wherein: First and second bosses (53 and 54) are oppositely formed on the outer wall of the folding shell (5) in the circumferential direction of the rotating direction of the first central shaft (3); the handle opening (11) has first and second top edges (13 and 14) respectively opposite to the first boss (53). In the initial state, the handle (1) is connected with the air duct (2) in the vertical direction; the first boss (53) faces the tail end of the air duct (2), and the second boss (54) faces the air outlet end of the air duct (2); the first boss (53) is in contact with the first top edge (13), and the first top edge (13) can prevent the handle (1) from rotating away from the air outlet end of the air duct (2) by blocking the first boss (53); the second boss (54) has a spacing distance from the second top edge (14), so that the second top edge (14) cannot block the second boss (54), thereby allowing the handle (1) to rotate towards the air outlet end of the air duct (2).
8. The foldable hairbrush according to any one of claims 1-7, wherein: The air duct (2) is foldably connected with the end of the folding shell (5) extending from the handle opening (11) through a second folding structure. The second folding structure comprises: A second central shaft (21) is fixedly connected at one end to the inner side wall of the air duct (2) and extends in the axial direction of the handle (1) at the other end; A third rotating ring (22) is installed on the second central shaft (21) through a third through hole (23) formed in the middle, and one end face is limited and fixed to the air duct (2) through a third limiting structure, and the other end face is provided with at least four second limiting sliding grooves (24) uniformly distributed around the third through hole (23); A second central through hole (25) is formed in the folding shell (5) for the second central shaft (21) to rotatably pass through; A second installation groove (26) is provided on the end face of the folding shell (5) facing the third rotating ring (22); A fourth rotating ring (27) is installed on the second central shaft (21) through a fourth through hole (28) formed in the middle, and one end face is limited and fixed inside the second installation groove (26) through a fourth limiting structure, and the other end face is provided with at least two second limiting sliding blocks (29) capable of slidingly cooperating with the second limiting sliding grooves (24), and at least two second limiting sliding blocks (29) are uniformly distributed around the fourth through hole (28); The second fixing structure limits and fixes the third rotating ring (22), the fourth rotating ring (27) and the folding shell (5) on the air duct (2) by extruding the folding shell (5).
9. The foldable hairbrush of claim 8, wherein, The third limiting structure comprises: The second limiting insertion holes (72) are arranged on the side wall of the air duct (2); The second limiting insertion columns (73) are arranged on one end surface of the third rotating ring (22) and can be respectively inserted into the second limiting insertion holes (72); And / or, the fourth limiting structure comprises: The second limiting grooves (74) are arranged at the bottom of the second installation groove (26); The second limiting strips (75) are arranged on one end surface of the fourth rotating ring (27) and can be respectively matched with the second limiting grooves (74).
10. The foldable hairbrush of claim 8, wherein, The second rotating limiting structure comprises: The rotating limiting columns (93) are formed on the outer wall of the fourth rotating ring (27) and protrude from the end surface of the fourth rotating ring (27) by a certain height; The rotating limiting tables (94) are formed on the outer wall of the third rotating ring (22) and are located on the rotating path of the rotating limiting columns (93).
11. The foldable hairbrush of claim 10, wherein: The rotating limiting column (93) rotates from one rotating limiting table (94) to the other rotating limiting table (94) by 180 degrees.
12. The foldable hairbrush of claim 8, wherein, The second fixing structure comprises: The second fixing threaded holes (95) are arranged on the free end of the second central shaft (21); The second limiting flanges are formed on the inner wall of the second central through hole (25); The second fixing bolts (97) are screwed into the second fixing threaded holes (95) through the second central through hole (25) and abut against the second limiting flanges, so as to extrude the folding shell (5) and limit and fix the third rotating ring (22), the fourth rotating ring (27) and the folding shell (5) on the air duct (2).