Locking mechanism of multipurpose perm rod

Abstract

The utility model discloses a locking mechanism of a multi-purpose perm rod, which relates to the field of hairdressing and beauty, and comprises a movable component, and a pressing plate, a first connecting piece, a second connecting piece, a third connecting piece and a fourth connecting piece which are connected by the movable component, the movable component comprises a central shaft, two ends of the central shaft are provided with fixedly connected end cover parts; one end of the first locking shaft is fixedly connected with the end cover part, and the other end of the first locking shaft is in contact fit with the end cover part; the two ends of the second locking shaft are in contact fit with the end cover parts; when the movable assembly transversely moves, the pressing plate has a first state for locking the first connecting piece, the second connecting piece and the third connecting piece, a second state for locking the first connecting piece and the second connecting piece, a third state for locking the first connecting piece and a fourth state for completely unlocking. The device has the advantages of being simple in structure and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the field of beauty and hairdressing, in particular to a locking mechanism of a multi-purpose hair curling rod. Background Art

[0002] As people's living standards improve, they pay more and more attention to their appearance, including their hairstyle. Compared with going to a barber shop to perm your hair, it is more affordable and convenient to buy a curling iron and style your hair at home, including hair straighteners, curling irons, and curve shapers. At present, most of the curling irons used on the market have a single function, and some have two functions in one. However, there are very few curling irons that have four functions at the same time. Even if the existing curling irons have four functions, most of them are realized by hooks and positions, which are not flexible enough during use and are also very easy to be damaged. Utility Model Content

[0003] In order to overcome the shortcomings of the background technology, the utility model provides a locking mechanism for a multi-purpose hair curling rod.

[0004] The technical solution adopted by the utility model is: a locking mechanism of a multi-purpose hair curling rod, which includes a movable component and a pressing plate, a first connecting member, a second connecting member, a third connecting member and a fourth connecting member connected by the movable component, and the movable component includes:

[0005] A central shaft, with end covers fixedly connected at both ends;

[0006] A first locking shaft, one end of which is fixedly connected to the end cover portion and the other end of which is in contact with and fits with the end cover portion;

[0007] A second locking shaft, both ends of which are in contact with the end cover;

[0008] The central axis, the first locking axis and the second locking axis are arranged in parallel and respectively penetrate the pressing plate, the first connecting member, the second connecting member, the third connecting member and the fourth connecting member transversely;

[0009] When the movable component moves laterally, the pressing plate has a first state in which the first connecting member, the second connecting member and the third connecting member are locked, a second state in which the first connecting member and the second connecting member are locked, a third state in which the first connecting member is locked, and a fourth state in which all are unlocked.

[0010] The first locking shaft comprises a first shaft body and a first annular boss and a second annular boss arranged on the first shaft body;

[0011] The second locking shaft includes a second shaft body and a third annular boss and a fourth annular boss arranged on the second shaft body, and the directions of the first locking shaft and the second locking shaft are opposite.

[0012] The fourth connecting member includes a first rotating plate and a second rotating plate which are integrally formed, have the same thickness and are arranged side by side;

[0013] The third connecting member comprises a third rotating plate and a fourth rotating plate which are integrally formed, have the same thickness and are arranged side by side;

[0014] The second connecting member comprises a fifth rotating plate and a sixth rotating plate which are integrally formed, have the same thickness and are arranged side by side;

[0015] The first connecting member comprises a seventh rotating plate and an eighth rotating plate which are integrally formed, have the same thickness and are arranged side by side;

[0016] On the central axis, from left to right, are the first rotating plate, the third rotating plate, the fifth rotating plate, the seventh rotating plate, the fourth rotating plate, the sixth rotating plate, the eighth rotating plate and the second rotating plate.

[0017] The thickness of the first annular boss and the third annular boss are smaller than that of the first rotating plate, the third rotating plate, the fifth rotating plate, the seventh rotating plate, the fourth rotating plate, the sixth rotating plate, the eighth rotating plate and the second rotating plate;

[0018] The thickness of the second annular boss and the fourth annular boss are both greater than the sum of the thickness of the first rotating plate, the third rotating plate, the fifth rotating plate and the seventh rotating plate.

[0019] When the pressing plate is in the first state, the third rotating plate, the fifth rotating plate and the seventh rotating plate are located between the first annular boss and the second annular boss, and the first annular boss is located in the gap between the seventh rotating plate and the fourth rotating plate;

[0020] When the pressing plate is in the second state, the fifth rotating plate and the seventh rotating plate are between the first annular boss and the second annular boss, and the first annular boss is located in the fourth rotating plate;

[0021] When the pressing plate is in the third state, the fourth rotating plate and the seventh rotating plate are between the first annular boss and the second annular boss, and the first annular boss is located in the sixth rotating plate;

[0022] When the pressing plate is in the fourth state, the fourth rotating plate and the sixth rotating plate are located between the first annular boss and the second annular boss, and the first annular boss is located on the eighth rotating plate.

[0023] The third rotating plate, the fourth rotating plate, the fifth rotating plate, the sixth rotating plate, the seventh rotating plate and the eighth rotating plate are respectively provided with a first through hole for the first locking shaft to pass through and a second through hole for the second locking shaft to pass through, and the first through hole and the second through hole both include a first hole portion and a second hole portion that are interconnected;

[0024] The first rotating plate and the second rotating plate are provided with a first circular hole for the first locking shaft to pass through and a first arc-shaped hole for the second locking shaft to pass through and avoid;

[0025] The two side walls of the pressing plate are provided with a second arc hole for the first locking shaft to pass through and avoid, and a second round hole for the second locking shaft to pass through.

[0026] The first circular holes on both sides have different diameters and are adapted to the first locking shaft;

[0027] The first arc-shaped holes on both sides have different aperture sizes and are adapted to the second locking shaft;

[0028] The second arc-shaped holes on both sides have different aperture sizes and are adapted to the first locking shaft;

[0029] The second circular holes on both sides have different diameters and are adapted to the second locking shaft.

[0030] The aperture size of the first hole portion is adapted to the first annular boss, the second annular boss, the third annular boss and the fourth annular boss;

[0031] The aperture size of the second hole portion is adapted to the first shaft body and the second shaft body.

[0032] The beneficial effects of the utility model are as follows: the first connecting member, the second connecting member, the third connecting member and the fourth connecting member of the technical solution are connected with a clamping plate that can realize various functions, such as straight hair and curling hair. By moving the movable component laterally, a first state in which the fourth connecting member is locked and the other connecting members are driven to tilt up by the pressing plate, a second state in which the third connecting member and the fourth connecting member are locked and the other connecting members are driven to tilt up by the pressing plate, a third state in which the second connecting member, the third connecting member and the fourth connecting member are locked and the first connecting member is driven to tilt up by the pressing plate, and a fourth state in which all are locked can be realized. The utility model has the advantages of simple structure and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of the locking mechanism of the multi-purpose hair curling rod according to an embodiment of the utility model.

[0034] Figure 2 This is a schematic diagram of the disassembled structure of the locking mechanism of the multi-purpose curling rod.

[0035] Figure 3 A cross-sectional view of the locking mechanism of a multi-purpose curling iron.

[0036] Figure 4 A schematic diagram of the structure of the active component. DETAILED DESCRIPTION

[0037] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0038] As shown in the figure, a locking mechanism of a multi-purpose hair curling rod includes a movable component 1 and a pressing plate 2, a first connecting member 3, a second connecting member 4, a third connecting member 5 and a fourth connecting member 6 connected by the movable component 1. The movable component 1 includes:

[0039] A central shaft 11, with end covers 12 fixedly connected at both ends;

[0040] A first locking shaft 13, one end of which is fixedly connected to the end cover portion 12 and the other end of which is in contact with and fits with the end cover portion 12;

[0041] A second locking shaft 14, both ends of which are in contact with the end cover 12;

[0042] The central axis 11, the first locking axis 13 and the second locking axis 14 are arranged in parallel and respectively penetrate the pressing plate 2, the first connecting member 3, the second connecting member 4, the third connecting member 5 and the fourth connecting member 6 transversely;

[0043] When the movable component 1 moves laterally, the pressing plate has a first state in which the first connecting member 3, the second connecting member 4 and the third connecting member 5 are locked, a second state in which the first connecting member 3 and the second connecting member are locked, a third state in which the first connecting member 3 is locked, and a fourth state in which all are unlocked; the first connecting member, the second connecting member, the third connecting member and the fourth connecting member of the technical solution are connected with a clamping plate that can realize various functions, such as straight hair and curly hair. By moving the movable component laterally, the first state in which the fourth connecting member 6 is locked and the other connecting members are driven to be tilted by the pressing plate, the second state in which the third connecting member 5 and the fourth connecting member 6 are locked and the other connecting members are driven to be tilted by the pressing plate, and the third state in which the second connecting member 4, the third connecting member 5 and the fourth connecting member 6 are locked and the first connecting member is driven to be tilted by the pressing plate can be realized, which has the advantages of simple structure and easy operation.

[0044] The first locking shaft 13 includes a first shaft body 131 and a first annular boss 132 and a second annular boss 133 disposed on the first shaft body 131;

[0045] The second locking shaft 14 includes a second shaft body 141 and a third annular boss 142 and a fourth annular boss 143 arranged on the second shaft body 141, and the directions of the first locking shaft 13 and the second locking shaft 14 are opposite, and the first locking shaft and the second locking shaft move synchronously when moving laterally. After determining the positions of the first locking shaft and the second locking shaft, pressing the pressing plate will drive the first locking shaft to swing upward around the center axis, and the second locking shaft will be restricted by the fourth connecting piece and will not swing. The fourth connecting piece is fixedly connected to the handle of the curling rod (not shown in the figure).

[0046] like Figure 3As shown, the fourth connecting member 6 includes a first rotating plate 61 and a second rotating plate 62 which are integrally formed and arranged side by side;

[0047] The fourth connecting member 6 includes a first rotating plate 61 and a second rotating plate 62 which are integrally formed, have the same thickness and are arranged side by side;

[0048] The third connecting member 5 comprises a third rotating plate 51 and a fourth rotating plate 52 which are integrally formed, have the same thickness and are arranged side by side;

[0049] The second connecting member 4 includes a fifth rotating plate 41 and a sixth rotating plate 42 which are integrally formed, have the same thickness and are arranged side by side;

[0050] The first connecting member 3 includes a seventh rotating plate 31 and an eighth rotating plate 32 which are integrally formed, have the same thickness and are arranged side by side;

[0051] On the central axis 11 from left to right are the first rotating plate 61 , the third rotating plate 51 , the fifth rotating plate 41 , the seventh rotating plate 31 , the fourth rotating plate 52 , the sixth rotating plate 42 , the eighth rotating plate 32 and the second rotating plate 62 .

[0052] The thickness of the first annular boss 132 and the third annular boss 142 are smaller than the first rotating plate 61, the third rotating plate 51, the fifth rotating plate 41, the seventh rotating plate 31, the fourth rotating plate 52, the sixth rotating plate 42, the eighth rotating plate 32 and the second rotating plate 62;

[0053] The thickness of the second annular boss 133 and the fourth annular boss 143 are both greater than the sum of the thickness of the first rotating plate 61 , the third rotating plate 51 , the fifth rotating plate 41 and the seventh rotating plate 31 .

[0054] When the pressing plate is in the first state, the third rotating plate 51, the fifth rotating plate 41 and the seventh rotating plate 31 are located between the first annular boss 132 and the second annular boss 133, and the first annular boss is located in the gap between the seventh rotating plate 31 and the fourth rotating plate 52;

[0055] When the pressing plate is in the second state, the fifth rotating plate 41 and the seventh rotating plate 31 are between the first annular boss 132 and the second annular boss 133, and the first annular boss is located in the fourth rotating plate 52;

[0056] When the pressing plate is in the third state, the fourth rotating plate 52 and the seventh rotating plate 31 are between the first annular boss 132 and the second annular boss 133, and the first annular boss is located in the sixth rotating plate 42;

[0057] When the pressing plate is in the fourth state, the fourth rotating plate 52 and the sixth rotating plate 42 are located between the first annular boss 132 and the second annular boss 133 , and the first annular boss is located on the eighth rotating plate 32 .

[0058] A preferred embodiment is to set the first rotating plate, the third rotating plate, the fifth rotating plate, the seventh rotating plate, the fourth rotating plate, the sixth rotating plate, the eighth rotating plate and the second rotating plate to have the same thickness, so that the spacing between the first annular boss 132 and the second annular boss 133 and the spacing between the third annular boss 142 and the fourth annular boss 143 are all the thickness of the three rotating plates.

[0059] The third rotating plate 51, the fourth rotating plate 52, the fifth rotating plate 41, the sixth rotating plate 42, the seventh rotating plate 31 and the eighth rotating plate 32 are respectively provided with a first passage hole for the first locking shaft 13 to pass through and a second passage hole for the second locking shaft 14 to pass through, and the first passage hole and the second passage hole both include a first hole portion 71 and a second hole portion 72 that are connected to each other;

[0060] The first rotating plate 61 and the second rotating plate 62 are provided with a first circular hole 63 for the first locking shaft 13 to pass through and a first arc-shaped hole 64 for the second locking shaft 14 to pass through and avoid;

[0061] The two side walls of the pressing plate 2 are provided with a second arc hole 21 for the first locking shaft 13 to pass through and avoid, and a second round hole 22 for the second locking shaft 14 to pass through.

[0062] The first circular holes 63 on both sides have different aperture sizes and are adapted to the first locking shaft 13, the first circular hole on the left side is adapted to the second annular boss 133 of the first locking shaft 13, and the first circular hole on the right side is adapted to the first shaft body of the first locking shaft;

[0063] The first arc-shaped holes 64 on both sides have different aperture sizes and are adapted to the second locking shaft 14 , and the principle is the same as above;

[0064] The second arc-shaped holes 21 on both sides have different aperture sizes and are adapted to the first locking shaft 13, and the principle is the same as above;

[0065] The second circular holes 22 on both sides have different diameters and are adapted to the second locking shaft 14 , and the principle is the same as above.

[0066] The aperture size of the first hole portion 71 is adapted to the first annular boss 132 , the second annular boss 133 , the third annular boss 142 and the fourth annular boss 143 ;

[0067] The diameter of the second hole portion 72 matches the first shaft body 131 and the second shaft body 141 .

[0068] The end cover 12 is provided with an arc groove 15 for mounting the second locking shaft 14 and for relative movement therewith. During the adjustment process, when the knob is driven to rotate following the central axis, the arc groove is provided to avoid interference and collision with the second locking shaft.

[0069] The working principle in this embodiment is as follows:

[0070] like Figure 3 As shown, at this time, the first annular boss is located between the seventh rotating plate 31 and the fourth rotating plate 52, and the fourth annular boss is located in the fourth rotating plate 52, the sixth rotating plate 42, the eighth rotating plate 32 and the second rotating plate 62, and at this time, the first state in which the pressing plate locks the first connecting member 3, the second connecting member 4 and the third connecting member 5 can be realized;

[0071] To realize the second state where the pressing plate locks the first connecting member 3 and the second connecting member, it is only necessary to push the movable assembly to the right based on the first state, so that the first annular boss and the second annular boss enter the third connecting member, that is, the third rotating plate 51 and the fourth rotating plate 52, and the third annular boss and the fourth annular boss are disengaged from the third rotating plate 51 and the fourth rotating plate 52 to the right;

[0072] In order to realize the third state in which the pressing plate locks the first connecting member 3, it is necessary to push rightward on the basis of the second state; so that the first annular boss and the second annular boss will enter the second connecting member, that is, the fifth rotating plate 41 and the sixth rotating plate 42, while the third annular boss and the fourth annular boss will be disengaged from the fifth rotating plate 41 and the sixth rotating plate 42 to the right;

[0073] In order to achieve the fourth state in which the pressing plate is completely unlocked, it is necessary to push it to the right on the basis of the third state; so that the first annular boss and the second annular boss will enter the first connecting piece, that is, the seventh rotating plate 31 and the eighth rotating plate 32, and the third annular boss and the fourth annular boss will disengage from the seventh rotating plate 31 and the eighth rotating plate 32 to the right.

[0074] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0075] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0076] Technical personnel should note: Although the utility model has been described according to the above specific implementation methods, the utility model concept is not limited to this utility model. Any modification using the utility model concept will be included in the scope of protection of this patent.

Claims

1. A locking mechanism for a multi-purpose hair curling rod. Features: It comprises a movable component (1) and a pressing plate (2), a first connecting member (3), a second connecting member (4), a third connecting member (5) and a fourth connecting member (6) connected by the movable component (1), wherein the movable component (1) comprises: A central shaft (11) with end covers (12) fixedly connected at both ends; A first locking shaft (13), one end of which is fixedly connected to the end cover portion (12) and the other end of which is in contact with and fits with the end cover portion (12); A second locking shaft (14), both ends of which are in contact with and fit with the end cover portion (12); The central axis (11), the first locking axis (13) and the second locking axis (14) are arranged in parallel and respectively penetrate the pressing plate (2), the first connecting member (3), the second connecting member (4), the third connecting member (5) and the fourth connecting member (6) transversely; When the movable component (1) moves laterally, the pressing plate has a first state in which the first connecting member (3), the second connecting member (4) and the third connecting member (5) are locked, a second state in which the first connecting member (3) and the second connecting member are locked, a third state in which the first connecting member (3) is locked, and a fourth state in which all are unlocked.

2. The locking mechanism of the multi-purpose hair curling rod according to claim 1, Features: The first locking shaft (13) comprises a first shaft body (131) and a first annular boss (132) and a second annular boss (133) arranged on the first shaft body (131); The second locking shaft (14) comprises a second shaft body (141) and a third annular boss (142) and a fourth annular boss (143) arranged on the second shaft body (141), and the first locking shaft (13) and the second locking shaft (14) are in opposite directions.

3. The locking mechanism of the multi-purpose hair curling rod according to claim 2, Features: The fourth connecting member (6) comprises a first rotating plate (61) and a second rotating plate (62) which are integrally formed, have the same thickness and are arranged side by side; The third connecting member (5) comprises a third rotating plate (51) and a fourth rotating plate (52) which are integrally formed, have the same thickness and are arranged side by side; The second connecting member (4) comprises a fifth rotating plate (41) and a sixth rotating plate (42) which are integrally formed, have the same thickness and are arranged side by side; The first connecting member (3) comprises a seventh rotating plate (31) and an eighth rotating plate (32) which are integrally formed, have the same thickness and are arranged side by side; On the central axis (11), from left to right, are the first rotating plate (61), the third rotating plate (51), the fifth rotating plate (41), the seventh rotating plate (31), the fourth rotating plate (52), the sixth rotating plate (42), the eighth rotating plate (32) and the second rotating plate (62).

4. The locking mechanism of the multi-purpose hair curling rod according to claim 3, Features: The thickness of the first annular boss (132) and the third annular boss (142) are both smaller than the first rotating plate (61), the third rotating plate (51), the fifth rotating plate (41), the seventh rotating plate (31), the fourth rotating plate (52), the sixth rotating plate (42), the eighth rotating plate (32) and the second rotating plate (62); The thickness of the second annular boss (133) and the fourth annular boss (143) are both greater than the sum of the first rotating plate (61), the third rotating plate (51), the fifth rotating plate (41) and the seventh rotating plate (31).

5. The locking mechanism of the multi-purpose hair curling rod according to claim 4, Features: When the pressing plate is in the first state, the third rotating plate (51), the fifth rotating plate (41) and the seventh rotating plate (31) are located between the first annular boss (132) and the second annular boss (133), and the first annular boss is located in the gap between the seventh rotating plate (31) and the fourth rotating plate (52); When the pressing plate is in the second state, the fifth rotating plate (41) and the seventh rotating plate (31) are located between the first annular boss (132) and the second annular boss (133), and the first annular boss is located in the fourth rotating plate (52); When the pressing plate is in the third state, the fourth rotating plate (52) and the seventh rotating plate (31) are located between the first annular boss (132) and the second annular boss (133), and the first annular boss is located in the sixth rotating plate (42); When the pressing plate is in the fourth state, the fourth rotating plate (52) and the sixth rotating plate (42) are located between the first annular boss (132) and the second annular boss (133), and the first annular boss is located on the eighth rotating plate (32).

6. The locking mechanism of the multi-purpose hair curling rod according to claim 3, Features: The third rotating plate (51), the fourth rotating plate (52), the fifth rotating plate (41), the sixth rotating plate (42), the seventh rotating plate (31) and the eighth rotating plate (32) are respectively provided with a first passage hole for the first locking shaft (13) to pass through and a second passage hole for the second locking shaft (14) to pass through, and the first passage hole and the second passage hole both include a first hole portion (71) and a second hole portion (72) that are connected to each other; The first rotating plate (61) and the second rotating plate (62) are provided with a first circular hole (63) for the first locking shaft (13) to pass through, and a first arc-shaped hole (64) for the second locking shaft (14) to pass through and avoid. The two side walls of the pressing plate (2) are provided with a second arc-shaped hole (21) for the first locking shaft (13) to pass through and avoid, and a second circular hole (22) for the second locking shaft (14) to pass through.

7. The locking mechanism of the multi-purpose hair curling rod according to claim 6, Features: The first circular holes (63) on both sides have different diameters and are adapted to fit the first locking shaft (13); The first arc-shaped holes (64) on both sides have different aperture sizes and are adapted to fit the second locking shaft (14); The second arc-shaped holes (21) on both sides have different aperture sizes and are adapted to fit the first locking shaft (13); The second circular holes (22) on both sides have different diameters and are adapted to fit the second locking shaft (14).

8. The locking mechanism of the multi-purpose hair curling rod according to claim 6, Features: The aperture size of the first hole portion (71) is adapted to the first annular boss (132), the second annular boss (133), the third annular boss (142) and the fourth annular boss (143); The aperture size of the second hole portion (72) is compatible with the first shaft body (131) and the second shaft body (141).

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