Forehead support device capable of being pulled and rotated

Abstract

The utility model discloses a drawable and rotatable forehead support device, which belongs to the technical field of forehead support devices and comprises a forehead support sleeve and a hair clasp, the bottom of the inner wall of the forehead support sleeve is respectively connected with a forehead support drawing support front and a forehead support drawing support rear in a penetrating manner, and the forehead support drawing support front and the forehead support drawing support rear are connected in a clamping manner. The top of the hair clasp is in bolted connection with a left rotating bracket and a right rotating bracket respectively; according to the forehead support device capable of being pulled and rotated, the left rotating support and the right rotating support are connected in a clamped mode, and a rotating shaft is fixed to the interior of the left rotating support and the interior of the right rotating support in a penetrating mode. According to the forehead support device capable of being pulled and rotated, up-and-down movement of the forehead support pulling support in front of and behind the forehead support pulling support and axial rotation of the hair clasp can be achieved; and due to the integrated design, a hair clasp does not need to be additionally worn, the defects of a traditional forehead support scheme are overcome, and more comfortable and convenient use experience is provided for customers.

Description

Technical Field

[0001] The utility model relates to the technical field of forehead support devices, in particular to a forehead support device which can be pulled out and rotated. Background Art

[0002] With the increasing application of various advanced 2D and 3D skin scanners, they are being accepted by more and more beauty salons, clinicians and patients. A more comfortable photo taking and human-machine experience is particularly important in the industry competition; a comfortable structure provides users with a better wearing experience, which helps to improve customer satisfaction and increase trust with customers.

[0003] For example, the headband and mask beauty instrument with the publication number "CN220024400U" comprises a headband main body, two headband clamping parts and at least one elastic adjustment structure. The two headband clamping parts are respectively connected to the two ends of the headband main body, and the elastic adjustment structure is provided between at least one of the two headband clamping parts and the headband main body, and the elastic adjustment structure is suitable for adjusting the opening and closing angle of one end of the two headband clamping parts away from the headband main body. According to the headband of the utility model, an elastic adjustment structure is provided between the headband main body and the headband clamping parts so that the two headband clamping parts can rotate relative to the headband main body, thereby adjusting the distance between the headband clamping parts, facilitating the wearing of the headband, and increasing the stability and reliability of the headband when being worn, so that the headband can adapt to different users, thereby increasing the versatility of the headband;

[0004] In the existing forehead support of skin instrument, the commonly used method is to use two points to press against the forehead or use a fixed headband to press against the forehead. Both of these solutions have the disadvantage of limited applicability and cannot be applied to all customers due to their inflexibility.

[0005] The solution of pressing the forehead with two points will partially block the forehead and require wearing a headband separately, which is inconvenient; the fixed headband cannot be suitable for all customers and may give customers a poor human-computer experience, reducing their satisfaction with the product.

[0006] Therefore, we propose a forehead support device that can be pulled out and rotated to solve the above problems well. Utility Model Content

[0007] The purpose of the utility model is to provide a forehead support device that can be pulled out and rotated to solve the problem that the solution of pressing the forehead with two points proposed in the above-mentioned background technology will partially block the forehead and require wearing a headband separately, which is inconvenient; the fixed headband cannot be adapted to all customers, which may give customers a very poor human-machine experience and reduce the problem of satisfaction with the product.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a forehead support device that can be pulled out and rotated, comprising a forehead support sleeve and a headband, wherein the bottom of the inner wall of the forehead support sleeve is respectively connected with a front forehead support pull-out bracket and a rear forehead support pull-out bracket, and the front forehead support pull-out bracket and the rear forehead support pull-out bracket are snap-fitted, and the top of the headband is respectively bolted with a left rotating bracket and a right rotating bracket;

[0009] A forehead support device that can be pulled out and rotated, further comprising:

[0010] The left rotating bracket and the right rotating bracket are connected by a snap-fit ​​connection, and a rotating shaft is fixed through the inside of the left rotating bracket and the right rotating bracket, and the left rotating bracket and the right rotating bracket are rotatably connected to the bottom of the front and rear forehead support pull-out brackets through the rotating shaft;

[0011] Ball-end screws are provided on both sides of the left and right rotating brackets and on the back of the forehead support pull-out bracket, and first grooves are evenly spaced in the vertical direction on the back side of the forehead support pull-out bracket, one end of the ball-end screw extends into the first groove, and a second groove is provided on the inner side of the front lower side of the forehead support pull-out bracket at equal angles with respect to the center point of the rotation axis.

[0012] Preferably, the outer sides of the front and rear forehead support pull-out brackets are slidably connected to the inner wall of the forehead support sleeve, and the inner walls of the outer first grooves of the ball screw are threadedly connected.

[0013] Preferably, the front of the forehead support pull-out bracket and the rear of the forehead support pull-out bracket are arranged in an "L" shape, and the outer side of the ball screw and the inner wall of the second groove are threadedly connected.

[0014] Preferably, a mounting plate is fixedly connected to the inner side of the headband, and a lining is provided on the inner side of the mounting plate, a clamping block is bonded at an equal angle to the outer side of the lining, and a limiting groove is provided on the side of the clamping block away from the lining, a clamping groove is provided at an equal angle on the inner side of the mounting plate, and a limiting rod is slidably connected to the inside of the headband at an equal angle.

[0015] Preferably, one end of the limiting rod passes through the inside of the headband, and the other end of the limiting rod extends into the inside of the slot, the positions of the limiting rod and the limiting slot correspond one to one, and the limiting rod and the limiting slot are snap-fitted.

[0016] Preferably, the card block and the card slot are connected by a snap fit, and both the card block and the card slot are arranged in a "T" shape.

[0017] Preferably, a return spring is installed between the outer side of the limiting rod and the inner wall of the headband, and the lining is made of bamboo fiber fabric.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the forehead support device that can be pulled out and rotated adopts a new structural design, which can realize the up and down movement of the forehead support before and after the forehead support is pulled out, and the axial rotation of the headband; and the integrated design does not require wearing a headband separately, which overcomes the shortcomings of the traditional forehead support solution and provides customers with a more comfortable and convenient use experience. The specific contents are as follows:

[0019] (1) The forehead support sleeve is fixed to the top of the skin instrument by screws, and then the forehead support bracket and the forehead support bracket are pulled up and down, and the ball screws are inserted into the first grooves at different positions, so that the front and rear forehead support brackets can be fixed after being moved, so that the forehead height of different users can be adjusted;

[0020] Furthermore, the right rotating bracket and the left rotating bracket are connected to the forehead support pull-out bracket through the rotating shaft, and then the headband is fixed to the rotating bracket through screws, and the headband is rotated so that the headband rotates between the right rotating bracket and the left rotating bracket, and then the ball screw is inserted into the second grooves at different positions, so that the rotated headband can be fixed, and then different angles can be adjusted by the ball screw corresponding to different second grooves, thereby realizing downward pull-out step adjustment and rotation step adjustment, and adapting to the forehead height and head shape of different customers through step adjustment;

[0021] Furthermore, the damping force of the gear position can be achieved by tightening the ball screw;

[0022] (2) The inner lining can improve the comfort of the user when wearing the headband. When the inner lining needs to be removed for cleaning, the user only needs to pull the limit rod to separate the limit rod from the limit groove, thereby releasing the fixation of the card block, and then pull the inner lining to separate the card block from the card groove, thereby facilitating the removal of the inner lining for cleaning;

[0023] Furthermore, when the cleaned lining needs to be installed, the block on the lining is inserted into the slot on the mounting plate, and then the limit rod is loosened so that it is reset under the elastic force of the reset spring and inserted into the corresponding limit slot, thereby fixing the block and completing the installation of the lining. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall explosion structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the front and rear three-dimensional structures of the forehead support pull-out bracket of the utility model;

[0026] Figure 3 This is a schematic diagram of the frontal and rear downward pulling structure of the forehead support pull-out bracket of the utility model;

[0027] Figure 4This is a structural schematic diagram of the headband of the utility model worn on the head of a user;

[0028] Figure 5 This is a rear view structural diagram of the forehead support sleeve of the utility model;

[0029] Figure 6 This is a schematic diagram of the cross-sectional structure of the headband column of the utility model;

[0030] Figure 7 For this utility model Figure 6 Enlarged structural diagram at A in the middle.

[0031] In the figure: 1. forehead support sleeve; 2. front of forehead support pull-out bracket; 3. back of forehead support pull-out bracket; 4. right rotating bracket; 5. left rotating bracket; 6. headband; 7. ball screw; 8. rotating shaft; 9. first groove; 10. second groove; 11. mounting plate; 12. slot; 13. block; 14. lining; 15. reset spring; 16. limit rod. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-Figure 7 , the utility model provides the following technical solutions: a forehead support device that can be pulled out and rotated;

[0034] Embodiment 1: In order to solve the problem that the solution of pressing the forehead with two points in the prior art will partially block the forehead and require wearing a headband 6, which is inconvenient; the fixed headband 6 cannot adapt to all customers, which may give customers a poor human-machine experience and reduce the satisfaction with the product, the following solution is disclosed, and the specific reference is Figure 1-Figure 6 As shown, it includes a forehead support sleeve 1 and a headband 6, the bottom of the inner wall of the forehead support sleeve 1 is respectively penetrated and connected with a front forehead support pull-out bracket 2 and a rear forehead support pull-out bracket 3, the outer sides of the front forehead support pull-out bracket 2 and the rear forehead support pull-out bracket 3 are slidably connected with the inner wall of the forehead support sleeve 1, and the front forehead support pull-out bracket 2 and the rear forehead support pull-out bracket 3 are snap-fitted, the front forehead support pull-out bracket 2 and the rear forehead support pull-out bracket 3 are arranged in an "L" shape, and the top of the headband 6 is respectively bolted with a left rotating bracket 5 and a right rotating bracket 4;

[0035] It also includes: a snap-fit ​​connection between the left rotating bracket 5 and the right rotating bracket 4, and a rotating shaft 8 is fixedly penetrated inside the left rotating bracket 5 and the right rotating bracket 4, and the left rotating bracket 5 and the right rotating bracket 4 are rotatably connected to the bottom of the forehead support pull-out bracket front 2 and the forehead support pull-out bracket rear 3 through the rotating shaft 8; ball screws 7 are arranged on both sides of the left rotating bracket 5 and the right rotating bracket 4 and behind the forehead support pull-out bracket rear 3, and first grooves 9 are evenly spaced in the vertical direction on the back of the forehead support pull-out bracket rear 3, one end of the ball screw 7 extends into the first groove 9, and a second groove 10 is arranged on the inner side below the front 2 of the forehead support pull-out bracket at equal angles about the center point of the rotating shaft 8;

[0036] The staff fixes the forehead support sleeve 1 to the top of the skin instrument by screws, and fixes the headband 6 to the device by screws, and then the staff wears the headband 6 on the user's head. At this time, the staff takes out the ball screw 7 inserted into the initial position on the forehead support pull-out bracket 3, and releases the fixation of the forehead support pull-out bracket front 2 and the forehead support pull-out bracket rear 3. Then the staff pulls the forehead support pull-out bracket front 2 and the forehead support pull-out bracket rear 3 up and down to adjust them according to the forehead height of different users. After the adjustment, the staff inserts the ball screw 7 into The headband 6 is inserted into the first groove 9 at different positions and tightened to fix the front 2 and the rear 3 of the forehead support pull-out bracket after moving, and then the headband 6 is rotated to make the headband 6 rotate on the right 4 and the left 5 of the rotating bracket through the rotating shaft 8 (five gears of adjustment are possible). After the adjustment, the staff inserts the ball screw 7 into the second groove 10 at different positions and tightens it to fix the rotated headband 6, thereby realizing downward pull-out gear adjustment and rotation gear adjustment, and adapting to the forehead height and head shape of different customers through gear adjustment.

[0037] Embodiment 2: Different from Embodiment 1, this embodiment can increase the damping force by tightening the ball screw 7 on the gear position, thereby improving the stability after adjustment. For details, refer to Figure 1-Figure 3 As shown, the outer side of the ball screw 7 and the inner wall of the first groove 9 are threadedly connected, and the outer side of the ball screw 7 and the inner wall of the second groove 10 are threadedly connected;

[0038] The staff tightens the ball screw 7 inserted into the first groove 9 and the ball screw 7 inserted into the second groove 10 respectively, which can increase the damping force and thus improve the stability after adjustment, preventing the front 2 of the forehead support pull-out bracket and the rear 3 of the forehead support pull-out bracket from sliding and the headband 6 from rotating during use.

[0039] Embodiment 3: Different from Embodiment 2, the present embodiment utilizes the inner lining 14 to improve the wearing comfort of the headband 6, and the inner lining 14 can be removed for cleaning by pulling the limit rod 16. Figure 6 and Figure 7 As shown, a mounting plate 11 is fixedly connected to the inner side of the headband 6, and an inner lining 14 is arranged on the inner side of the mounting plate 11, the lining 14 is made of bamboo fiber fabric, a clamping block 13 is bonded to the outer side of the lining 14 at equal angles, and a limiting groove is provided on the side of the clamping block 13 away from the lining 14, and a clamping groove 12 is provided at equal angles on the inner side of the mounting plate 11, the clamping block 13 and the clamping groove 12 are snap-fitted, and the clamping block 13 and the clamping groove 12 are both arranged in a "T" shape, and a limiting rod 16 is slidably connected to the inside of the headband 6 at equal angles, one end of the limiting rod 16 passes through the inside of the headband 6, and the other end of the limiting rod 16 extends into the inside of the clamping groove 12, the positions of the limiting rod 16 and the limiting groove correspond one to one, and the limiting rod 16 and the limiting groove are snap-fitted, and a reset spring 15 is installed between the outer side of the limiting rod 16 and the inner wall of the headband 6;

[0040] The lining 14 provided can improve the comfort of the user wearing the headband 6. Then, when the lining 14 needs to be removed for cleaning, it is only necessary to pull the limiting rod 16 to separate the limiting rod 16 from the limiting groove, so as to release the fixation of the block 13, and then pull the lining 14 to separate the block 13 from the groove 12, so as to facilitate the removal of the lining 14 for cleaning, and then the cleaned lining 14 is inserted into the groove 12 on the mounting plate 11 through the block 13, and then the limiting rod 16 is loosened to reset under the elastic force of the reset spring 15 and insert it into the corresponding limiting groove, so as to fix the block 13 and complete the installation of the lining 14.

[0041] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A forehead support device that can be pulled out and rotated, comprising a forehead support sleeve (1) and a headband (6), wherein the bottom of the inner wall of the forehead support sleeve (1) is respectively penetrated and connected with a front forehead support pull-out bracket (2) and a rear forehead support pull-out bracket (3), and the front forehead support pull-out bracket (2) and the rear forehead support pull-out bracket (3) are snap-fitted, and the top of the headband (6) is respectively bolted with a left rotating bracket (5) and a right rotating bracket (4); It is characterized in that Also includes: The left rotating bracket (5) and the right rotating bracket (4) are snap-fitted together, and a rotating shaft (8) is fixedly inserted into the inside of the left rotating bracket (5) and the right rotating bracket (4), and the left rotating bracket (5) and the right rotating bracket (4) are rotatably connected to the bottom of the front forehead support pull-out bracket (2) and the bottom of the rear forehead support pull-out bracket (3) via the rotating shaft (8); Ball screws (7) are provided on both sides of the left rotating bracket (5) and the right rotating bracket (4) and on the rear side of the forehead support pull-out bracket (3). First grooves (9) are provided at equal intervals in the vertical direction on the back side of the forehead support pull-out bracket (3), and one end of the ball screw (7) extends into the first groove (9). A second groove (10) is provided on the inner side below the front side (2) of the forehead support pull-out bracket at equal angles to the center point of the rotating shaft (8).

2. A pull-out and rotatable forehead support device according to claim 1, characterized in that: The outer sides of the front (2) and rear (3) forehead support pull-out bracket are slidably connected to the inner wall of the forehead support sleeve (1), and the outer side of the ball screw (7) is threadedly connected to the inner wall of the first groove (9).

3. The pull-out and rotatable forehead support device according to claim 1, characterized in that: The front (2) and rear (3) forehead support brackets are arranged in an "L" shape, and the outer side of the ball screw (7) and the inner wall of the second groove (10) are threadedly connected.

4. The pull-out and rotatable forehead support device according to claim 1, characterized in that: The inner side of the headband (6) is fixedly connected to a mounting plate (11), and an inner lining (14) is provided on the inner side of the mounting plate (11); a clamping block (13) is bonded at an equal angle to the outer side of the inner lining (14); a limiting groove is provided on a side of the clamping block (13) away from the inner lining (14); a clamping groove (12) is provided at an equal angle on the inner side of the mounting plate (11); and a limiting rod (16) is slidably connected to the interior of the headband (6) at an equal angle.

5. The pull-out and rotatable forehead support device according to claim 4, characterized in that: One end of the limiting rod (16) passes through the interior of the headband (6), and the other end of the limiting rod (16) extends into the interior of the clamping groove (12); the positions of the limiting rod (16) and the limiting groove correspond one to one, and the limiting rod (16) and the limiting groove are in a clamping connection.

6. The pull-out and rotatable forehead support device according to claim 4, characterized in that: The card block (13) and the card slot (12) are connected in a card-engaging manner, and the card block (13) and the card slot (12) are both arranged in a "T" shape.

7. The pull-out and rotatable forehead support device according to claim 4, characterized in that: A return spring (15) is installed between the outer side of the limiting rod (16) and the inner wall of the headband (6), and the inner lining (14) is made of bamboo fiber fabric.

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