Handheld hair straightener

Abstract

The utility model relates to a handheld hair straightener, which comprises an upper cover body, a lower cover body and a hair straightener, the lower cover body comprises a second combination part; the first combination part and the second combination part can relatively rotate and move; the first combination part is provided with a first guide groove, and the second combination part is provided with a second guide groove; the locking assembly is arranged on the first combination part, the locking assembly can move in the axial direction of the shaft cavity, and the locking assembly is provided with a guide column; the guide column is inserted into the first guide groove and the second guide groove and can limit the first combination part to rotate relative to the second combination part. The guide columns are arranged on the locking assembly to limit opening and closing of the upper cover body and the lower cover body, and therefore the risk that a user forgets to close the heating function of the hair straightener and the upper cover body and the lower cover body are in the unfolded state and scalds the user can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hair straighteners, in particular to a handheld hair straightener. Background Art

[0002] Existing hair straighteners generally have a "V"-shaped structure, including two long upper and lower clamping plates, which are connected by a rotating shaft so that users can adjust the opening and closing degree between the two clamping plates by themselves. However, some hair straighteners on the market do not have a locking structure to limit the upper and lower clamping plates. When the user forgets to turn off the heating function and the upper and lower clamping plates are in the unfolded state, there is a risk of burns, which reduces the user experience of the hair straightener. Utility Model Content

[0003] Based on this, it is necessary to provide a handheld hair straightener with clamping and anti-scalding functions to address the problem of climbing trees.

[0004] A handheld hair straightener comprises: an upper cover body, the upper cover body comprising an upper cover body body and a first combination portion, the first combination portion being arranged at one end of the upper cover body body; a lower cover body, the lower cover body comprising a lower cover body body and a second combination portion, the second combination portion being arranged at one end of the lower cover body body; the first combination portion is sleeved on the second combination portion, the first combination portion and the second combination portion can rotate relative to each other, the first combination portion and the second combination portion enclose an axial cavity; at least two first guide grooves are provided on one side of the first combination portion, at least two second guide grooves are provided on one side of the second combination portion, the first guide groove and the second guide groove are arranged opposite to each other; a locking assembly, The locking assembly is arranged on the first combining part, and the locking assembly is at least partially located in the axial cavity. The locking assembly can move along the axial direction of the axial cavity, and the locking assembly is provided with at least two guide posts near the first guide groove and the second guide groove; the locking assembly has a first position and a second position, and when the locking assembly is located at the first position, the guide posts are inserted in the first guide groove and the second guide groove, and at this time, the locking assembly limits the rotational movement of the first combining part relative to the second combining part; when the locking assembly is located at the second position, the guide posts are located outside the second guide groove, and at this time, the restriction on the rotational movement of the first combining part relative to the second combining part is released.

[0005] The present application discloses a handheld hair straightener, wherein the upper cover and the lower cover are sleeved together at the tail end through a first joint and a second joint to realize a movable connection, and a locking assembly is used as a rotating shaft, so that the upper cover and the lower cover can rotate relative to each other with the locking assembly as the axis, so that the user can adjust the opening and closing degree of the upper cover and the lower cover by himself, which is convenient for hair straightening operation, and the first joint and the second joint form an axis cavity, so that the locking assembly can be connected with the first joint and the second joint in the axis cavity. Specifically, a first guide groove and a second guide groove are respectively provided on the side walls where the first joint and the second joint are attached, and a guide column is provided on the locking assembly near the first guide groove and the second guide groove. The locking assembly can move laterally in the shaft cavity to enable the guide column to be inserted into or disengaged from the first guide groove and the second guide groove. When the guide column is inserted into the first guide groove and the second guide groove, the locking assembly locks the upper cover body and the lower cover body, and the upper cover body and the lower cover body cannot open and close; when the guide column disengages from the first guide groove and the second guide groove, the locking assembly contacts and locks the upper cover body and the lower cover body, and the user can open and close the upper cover body and the lower cover body.

[0006] By arranging a guide column on the locking assembly to limit the opening and closing of the upper cover and the lower cover, the risk of burns caused by the user forgetting to turn off the heating function of the hair straightener and the upper cover and the lower cover are in the unfolded state can be avoided, thereby improving the safety of the handheld hair straightener and improving the user experience.

[0007] In some embodiments, the locking assembly includes a lock key, an open key, a rotating shaft and a sleeve. The lock key and the open key are respectively located on opposite sides of the first joint and outside the shaft cavity. The sleeve is sleeved on the rotating shaft. The sleeve can move axially relative to the rotating shaft. The sleeve and the rotating shaft are located in the shaft cavity, and the two ends of the sleeve and the rotating shaft respectively pass through the side walls of the first joint and the second joint to extend outside the shaft cavity, and the two ends of the rotating shaft are respectively fixedly connected to the lock key and the open key.

[0008] The above-mentioned handheld hair straightener further defines that the locking assembly includes a lock key, an open key, a rotating shaft and a sleeve, the sleeve and the rotating shaft are located in the shaft cavity, the sleeve is sleeved on the rotating shaft, so that the rotating shaft can move laterally relative to the shaft cavity on the sleeve, and the two ends of the rotating shaft extend outside the shaft cavity respectively and are connected to the lock key and the open key respectively, that is, the lock key and the open key are located outside the shaft cavity, on both sides of the first joint, so that the user can press the lock key or the open key to realize the locking assembly to limit the movement of the upper cover or the lower cover.

[0009] In some embodiments, a first groove and a second groove are respectively formed on opposite sides of the first coupling portion, the first groove and the second groove are respectively connected to the shaft cavity, the lock key is located in the first groove or the second groove, the open key is located in the second groove or the first groove, and both ends of the rotating shaft and the sleeve extend into the first groove and the second groove respectively in the shaft cavity.

[0010] The first groove and the second groove are respectively provided on both sides of the first combining portion for installing a locking key and an opening key.

[0011] In some embodiments, at least two limiting ribs are respectively provided on the lock key and the open key, and at least two limiting grooves are respectively provided on the inner side walls of the first groove and the second groove, and the limiting ribs can be engaged with the limiting grooves.

[0012] In this embodiment, by respectively providing limiting ribs on the outer sides of the lock key and the open key, and providing matching limiting grooves on the first groove and the second groove, the limiting ribs can engage with the limiting grooves, thereby preventing the lock key and the open key from being separated from the first groove and the second groove.

[0013] In some embodiments, at least two guide posts are provided on the lock key.

[0014] By arranging two guide posts on the lock key, the user can lock the upper cover body and the lower cover body by pressing the lock key.

[0015] In some embodiments, the upper cover further includes a first heating element, which is disposed on the upper cover body, and the first heating element is located on a side of the upper cover body close to the lower cover body.

[0016] In some embodiments, the lower cover further includes a second heating element, which is disposed on the lower cover body, and the second heating element is disposed opposite to the first heating element.

[0017] The above-mentioned handheld hair straightener is further defined as a first heating element being arranged on a side of the upper cover body close to the lower cover body, and a second heating element being arranged on a side of the lower cover body close to the upper cover body, the first heating element and the second heating element being arranged opposite to each other, and when the hair is located between the first heating element and the second heating element, the handheld hair straightener is pulled downward to straighten the hair.

[0018] In some of the embodiments, a negative ion generator is further included, and the negative ion generator is disposed in the upper cover body or the lower cover body.

[0019] In this embodiment, the handheld hair straightener also includes a negative ion generator, which is located near the first heating element or the second heating element. The negative ion generator emits negative ions to the heating area, which directly react with the hair, thereby eliminating or reducing static electricity in the hair, effectively caring for the hair quality, and improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a cross-sectional view of the handheld hair straightener of the utility model;

[0021] Figure 2 This is an exploded view of the upper cover body, the lower cover body and the locking assembly of the utility model;

[0022] Figure 3 It is a cross-sectional view of the first combining portion, the second combining portion and the locking assembly of the utility model;

[0023] Figure 4 It is a cross-sectional exploded view of the first combining portion, the second combining portion and the locking assembly of the utility model;

[0024] Figure 5 This is an exploded view of the handheld hair straightener of the present invention.

[0025] The corresponding relationship between the reference numerals and the component names is as follows:

[0026] 1 upper cover body, 11 upper cover body, 12 first joint portion, 101 shaft cavity, 1201 first guide groove, 1202 first groove, 1203 second groove, 1204 limiting groove, 13 first heating element;

[0027] 2 lower cover body, 21 lower cover body, 22 second joint portion, 2201 second guide groove, 23 second heating element;

[0028] 3 locking assembly, 311 guide column, 31 locking key, 32 opening key, 33 rotating shaft, 34 shaft sleeve, 312 limiting rib;

[0029] 4. Negative ion generator. DETAILED DESCRIPTION

[0030] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0032] The handheld hair straighteners according to some embodiments of the present invention are described below with reference to the accompanying drawings.

[0033] like Figures 1 to 4 As shown, a handheld hair straightener comprises: an upper cover body 1, the upper cover body 1 comprises an upper cover body main body 11 and a first combining portion 12, the first combining portion 12 is arranged at one end of the upper cover body main body 11; a lower cover body 2, the lower cover body 2 comprises a lower cover body main body 21 and a second combining portion 22, the second combining portion 22 is arranged at one end of the lower cover body main body 21; the first combining portion 12 is sleeved on the second combining portion 22, the first combining portion 12 and the second combining portion 22 can rotate relative to each other, and the first combining portion 12 and the second combining portion 22 are surrounded by an axial cavity 101; at least two first guide grooves 1201 are opened on one side of the first combining portion 12, and at least two second guide grooves 2201 are opened on one side of the second combining portion 22, and the first guide grooves 1201 and the second guide grooves 2201 are arranged relative to each other The locking assembly 3 is arranged on the first coupling portion 12, the locking assembly 3 is at least partially located in the shaft cavity 101, the locking assembly 3 can move along the axial direction of the shaft cavity 101, and the locking assembly 3 is provided with at least two guide posts 311 near the first guide groove 1201 and the second guide groove 2201; the locking assembly 3 has a first position and a second position, when the locking assembly 3 is located at the first position, the guide posts 311 are inserted in the first guide groove 1201 and the second guide groove 2201, at this time, the locking assembly 3 limits the rotational movement of the first coupling portion 12 relative to the second coupling portion 22; when the locking assembly 3 is located at the second position, the guide posts 311 are located outside the second guide groove 2201, at this time, the restriction on the rotational movement of the first coupling portion 12 relative to the second coupling portion 22 is released.

[0034] The present application discloses a handheld hair straightener, wherein the upper cover 1 and the lower cover 2 are sleeved together at the rear end through the first joint 12 and the second joint 22 to realize a movable connection, and the locking assembly 3 is used as a rotating shaft, so that the upper cover 1 and the lower cover 2 can rotate relative to each other with the locking assembly 3 as the axis, so that the user can adjust the opening and closing degree of the upper cover 1 and the lower cover 2 by himself, which is convenient for the hair straightening operation, and the first joint 12 and the second joint 22 enclose a shaft cavity 101, so that the locking assembly 3 can be connected with the first joint 12 and the second joint 22 in the shaft cavity 101. Specifically, the first guide groove 1201 and the second guide groove 2201 are respectively opened on the side walls where the first joint 12 and the second joint 22 are in contact, and the locking assembly 3 is provided with a guide column 311 near the first guide groove 1201 and the second guide groove 2201. The locking assembly 3 can move laterally in the axial cavity 101, so that the guide column 311 can be inserted into or disengaged from the first guide groove 1201 and the second guide groove 2201. When the guide column 311 is inserted into the first guide groove 1201 and the second guide groove 2201, the locking assembly 3 locks the upper cover body 1 and the lower cover body 2, and the upper cover body 1 and the lower cover body 2 cannot open and close; when the guide column 311 is disengaged from the first guide groove 1201 and the second guide groove 2201, the locking assembly 3 contacts and locks the upper cover body 1 and the lower cover body 2, and the user can open and close the upper cover body 1 and the lower cover body 2.

[0035] By providing a guide column 311 on the locking assembly 3 to limit the opening and closing of the upper cover 1 and the lower cover 2, the risk of burns caused by the user forgetting to turn off the heating function of the hair straightener when the upper cover 1 and the lower cover 2 are in the unfolded state can be avoided, thereby improving the safety of the handheld hair straightener and improving the user experience.

[0036] like Figures 2 to 4 As shown, the locking assembly 3 includes a lock key 31, an open key 32, a rotating shaft 33 and a sleeve 34. The lock key 31 and the open key 32 are respectively located on opposite sides of the first joint portion 12 and outside the shaft cavity 101. The sleeve 34 is sleeved on the rotating shaft 33. The sleeve 34 can move axially relative to the rotating shaft 33. The sleeve 34 and the rotating shaft 33 are located in the shaft cavity 101, and the two ends of the sleeve 34 and the rotating shaft 33 respectively pass through the side walls of the first joint portion 12 and the second joint portion 22 to extend outside the shaft cavity 101, and the two ends of the rotating shaft 33 are respectively fixedly connected to the lock key 31 and the open key 32.

[0037] The above-mentioned handheld hair straightener further defines that the locking assembly includes a lock key 31, an open key 32, a rotating shaft 33 and a sleeve 34, the sleeve 34 and the rotating shaft 33 are located in the shaft cavity 101, and the sleeve 34 is sleeved on the rotating shaft 33, so that the rotating shaft 33 can move laterally relative to the shaft cavity 101 on the sleeve 34, and the two ends of the rotating shaft 33 extend to the outside of the shaft cavity 101 and are respectively connected to the lock key 31 and the open key 32, that is, the lock key 31 and the open key 32 are located outside the shaft cavity 101, on both sides of the first joint portion 12, so that the user can press the lock key 31 or the open key 32 to realize that the locking assembly 3 limits the movement of the upper cover body 1 or the lower cover body 2.

[0038] like Figure 3 and Figure 4 As shown, the first groove 1202 and the second groove 1203 are respectively provided on opposite sides of the first joint portion 12, the first groove 1202 and the second groove 1203 are respectively communicated with the shaft cavity 101, the lock key 31 is located in the first groove 1202 or the second groove 1203, the opening key 32 is located in the second groove 1203 or the first groove 1202, and both ends of the rotating shaft 33 and the shaft sleeve 34 extend to the first groove 1202 and the second groove 1203 in the shaft cavity 101. The first groove 1202 and the second groove 1203 are respectively provided on both sides of the first joint portion 12, so as to install the lock key 31 and the opening key 32.

[0039] like Figure 4 As shown, at least two limiting ribs 312 are respectively provided on the lock key 31 and the open key 32 , and at least two limiting grooves 1204 are respectively provided on the inner side walls of the first groove 1202 and the second groove 1203 , and the limiting ribs 312 can engage with the limiting grooves 1204 .

[0040] In this embodiment, by respectively setting limiting ribs 312 on the outer sides of the lock key 31 and the open key 32, and setting corresponding limiting grooves 1204 on the first groove 1202 and the second groove 1203, the limiting ribs 312 can be engaged with the limiting grooves 1204, thereby preventing the lock key 31 and the open key 32 from being separated from the first groove 1202 and the second groove 1203.

[0041] like Figure 3 and Figure 4 As shown, at least two guide posts 311 are provided on the lock key 31 .

[0042] By arranging two guide posts 311 on the lock key 31 , the user can lock the upper cover 1 and the lower cover 2 by pressing the lock key 31 .

[0043] like Figure 1 and Figure 5As shown, the upper cover 1 further includes a first heating element 13 , which is disposed on the upper cover body 11 , and is located on a side of the upper cover body 11 close to the lower cover body 21 .

[0044] like Figure 1 and Figure 5 As shown, the lower cover 2 further includes a second heating element 23 . The second heating element 23 is disposed on the lower cover body 21 . The second heating element 23 is disposed opposite to the first heating element 13 .

[0045] The above-mentioned handheld hair straightener is further defined as a first heating element 13 is provided on a side of the upper cover body 11 close to the lower cover body 21, and a second heating element 23 is provided on a side of the lower cover body 21 close to the upper cover body 11, the first heating element 13 and the second heating element 23 are arranged opposite to each other, and when the hair is located between the first heating element 13 and the second heating element 23, the handheld hair straightener is pulled downward to straighten the hair.

[0046] like Figure 1 and Figure 5 As shown, the handheld hair straightener further includes a negative ion generator 4 , which is disposed in the upper cover body 11 or the lower cover body 21 .

[0047] In this embodiment, the handheld hair straightener also includes a negative ion generator 4, which is located near the first heating element 13 or the second heating element 23. The negative ion generator 4 emits negative ions to the heating area and directly acts on the hair, thereby eliminating or reducing static electricity on the hair, effectively caring for the hair quality, and improving the user experience.

[0048] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0049] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A handheld hair straightener, characterized in that: include: An upper cover body (1), the upper cover body (1) comprising an upper cover body main body (11) and a first combining portion (12), the first combining portion (12) being arranged at one end of the upper cover body main body (11); A lower cover body (2), the lower cover body (2) comprising a lower cover body main body (21) and a second combining portion (22), the second combining portion (22) being arranged at one end of the lower cover body main body (21); The first combining portion (12) is sleeved on the second combining portion (22), the first combining portion (12) and the second combining portion (22) are relatively rotatable, and the first combining portion (12) and the second combining portion (22) enclose an axial cavity (101); At least two first guide grooves (1201) are provided on one side of the first combining portion (12), and at least two second guide grooves (2201) are provided on one side of the second combining portion (22), and the first guide grooves (1201) and the second guide grooves (2201) are arranged opposite to each other; A locking assembly (3), wherein the locking assembly (3) is arranged on the first coupling portion (12), the locking assembly (3) is at least partially located in the shaft cavity (101), the locking assembly (3) is movable along the axial direction of the shaft cavity (101), and the locking assembly (3) is provided with at least two guide columns (311) near the first guide groove (1201) and the second guide groove (2201); The locking assembly (3) has a first position and a second position. When the locking assembly (3) is located at the first position, the guide column (311) is inserted into the first guide groove (1201) and the second guide groove (2201), and the locking assembly (3) limits the rotational movement of the first coupling part (12) relative to the second coupling part (22); when the locking assembly (3) is located at the second position, the guide column (311) is located outside the second guide groove (2201), and the rotational movement of the first coupling part (12) relative to the second coupling part (22) is released.

2. The handheld hair straightener according to claim 1, characterized in that: The locking assembly (3) comprises a lock key (31), an opening key (32), a rotating shaft (33) and a sleeve (34); the lock key (31) and the opening key (32) are respectively located on opposite sides of the first joint portion (12) and outside the shaft cavity (101); the sleeve (34) is sleeved on the rotating shaft (33); the sleeve (34) can move axially relative to the rotating shaft (33); the sleeve (34) and the rotating shaft (33) are located in the shaft cavity (101); and two ends of the sleeve (34) and the rotating shaft (33) respectively pass through the side walls of the first joint portion (12) and the second joint portion (22) and extend to the outside of the shaft cavity (101); and two ends of the rotating shaft (33) are respectively fixedly connected to the lock key (31) and the opening key (32).

3. The handheld hair straightener according to claim 2, characterized in that: A first groove (1202) and a second groove (1203) are respectively provided on opposite sides of the first coupling portion (12); the first groove (1202) and the second groove (1203) are respectively connected to the shaft cavity (101); the locking key (31) is located in the first groove (1202) or the second groove (1203); the opening key (32) is located in the second groove (1203) or the first groove (1202); and both ends of the rotating shaft (33) and the shaft sleeve (34) extend into the first groove (1202) and the second groove (1203) in the shaft cavity (101), respectively.

4. The handheld hair straightener according to claim 3, characterized in that: The locking key (31) and the opening key (32) are respectively provided with at least two limiting ribs (312), and the inner side walls of the first groove (1202) and the second groove (1203) are respectively provided with at least two limiting grooves (1204), and the limiting ribs (312) can be engaged with the limiting grooves (1204).

5. The handheld hair straightener according to claim 2, characterized in that: At least two guide posts (311) are provided on the lock key (31).

6. The handheld hair straightener according to any one of claims 1 to 5, characterized in that: The upper cover body (1) further comprises a first heating element (13), wherein the first heating element (13) is arranged on the upper cover body main body (11), and the first heating element (13) is located on a side of the upper cover body main body (11) close to the lower cover body main body (21).

7. The handheld hair straightener according to claim 6, characterized in that: The lower cover body (2) further comprises a second heating element (23), wherein the second heating element (23) is arranged on the lower cover body (21), and the second heating element (23) is arranged opposite to the first heating element (13).

8. The handheld hair straightener according to claim 1 or 7, characterized in that: It also includes a negative ion generator (4), which is arranged in the upper cover body (11) or the lower cover body (21).

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