Camera shooting frame for anti-hair loss efficacy test

Abstract

The utility model discloses a camera shooting frame for an anti-hair loss efficacy test, and relates to the technical field of cosmetic production. The utility model discloses a camera shooting frame for an anti-hair loss efficacy test. The camera shooting frame comprises a base, the head fixing device is fixed on the base and is used for fixing the head of a subject; the first connecting seat is fixed on the base and is spaced from the head fixing device; the long-arm supporting rod is hinged to the first connecting base, and the long-arm supporting rod and the first connecting base are locked and fixed through a first locking mechanism; the short-arm supporting rod is connected to the long-arm supporting rod in a sliding mode, and the short-arm supporting rod and the long-arm supporting rod are locked and fixed through a second locking mechanism. The utility model designs the camera shooting frame for the anti-hair loss efficacy test, the shooting frame can ensure that the camera is perpendicular to the top of the head of a subject during shooting, and when the same subject is shot every time, the shooting of photos has consistency and repeatability.

Description

Technical Field

[0001] This utility model relates to the field of cosmetic production technology, specifically to a camera stand for testing the efficacy of hair loss prevention. Background Technology

[0002] The efficacy test for preventing hair loss in cosmetics is an important indicator in cosmetic testing. The test requires taking a photo of the hair on the top of the subject's head.

[0003] Currently, the relevant standard documents require that when taking photos of the hair on the top of a subject's head, the camera must be perpendicular to the top of the subject's head, and the shooting angle and distance must be consistent each time the same subject is photographed.

[0004] In response, the inventors believe that how to solve the above-mentioned technical problems is a technical problem that urgently needs to be solved by those skilled in the art.

[0005] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0006] To address the aforementioned technical problems, this utility model provides a camera stand for testing the effectiveness of hair loss prevention, thereby resolving the issues raised in the background section.

[0007] This utility model provides the following technical solution:

[0008] A camera stand for testing the efficacy of hair loss prevention methods includes a base; and also includes:

[0009] A head restraint device fixed to the base, used to secure the subject's head;

[0010] A first connecting seat fixed to the base and spaced apart from the head fixing device;

[0011] A long arm support rod is hinged to the first connecting seat, and the long arm support rod and the first connecting seat are locked and fixed by a first locking mechanism;

[0012] A short arm support is slidably connected to the long arm support, and the short arm support and the long arm support are locked and fixed by a second locking mechanism;

[0013] A camera mounting device is slidably connected to the short arm support rod, and the camera mounting device and the short arm support rod are locked and fixed by a third locking mechanism;

[0014] Among them, the long arm support and the short arm support have length scale lines distributed along their respective support length directions.

[0015] Preferably, the first locking mechanism includes a first arc-shaped hole, a first bolt, and a first nut;

[0016] The first arc-shaped hole is provided on the first connecting seat, and the first arc-shaped hole is provided with the hinge position of the long arm support rod and the first connecting seat as the center;

[0017] The first bolt is fixed to the long arm support and passes through the first arc-shaped hole;

[0018] The first nut is locked onto the first bolt.

[0019] Preferably, the first connecting seat has angle scale lines distributed along the direction of the first arc-shaped hole.

[0020] Preferably, the second locking mechanism includes a second bolt; the second bolt passes through the short arm support and the long arm support for locking and fixing.

[0021] Preferably, the camera fixing device includes: a fixing rod, a slider, a camera mounting base, a connecting plate, and connecting bolts;

[0022] The top surface of the short arm support is provided with a track groove along the length of the short arm support;

[0023] The slider is slidably connected in the track groove; the lower end of the fixed rod is fixed to the slider;

[0024] The connecting bolt passes through the upper end of the fixing rod; the connecting plate is hinged to the connecting bolt, and a nut is connected to the tail of the connecting bolt to lock the connecting plate to the fixing rod;

[0025] The camera mount is fixed to the end of the connecting plate and is used to assemble the camera.

[0026] Preferably, the camera mount is provided with a slot for mounting the camera.

[0027] Preferably, the third locking mechanism includes a third bolt; the third bolt passes through the slider and its tail presses against the track groove to lock and fix the camera fixing device.

[0028] Preferably, the head fixing device includes a fixing block, a second connecting seat, a short rod, an arc-shaped guard plate, and a sliding sleeve;

[0029] The fixing block is fixed to the base, and the top of the fixing block is provided with a chin fixing groove;

[0030] The second connecting seat is fixed on the base; the short rod is hinged to the second connecting seat; the short rod and the second connecting seat are locked and fixed by the fourth locking mechanism.

[0031] The sliding sleeve is slidably connected to the short rod, and the sliding sleeve and the short rod are locked and fixed by a through locking bolt;

[0032] The arc-shaped guard plate is fixed to the sliding sleeve; length scale lines are distributed along the length of the short rod.

[0033] Preferably, the fourth locking mechanism includes a second arc-shaped hole, a fourth bolt, and a fourth nut;

[0034] The second arc-shaped hole is provided on the second connecting seat, and the second arc-shaped hole is set around the hinge position between the short rod and the second connecting seat.

[0035] The fourth bolt is fixed to the short rod and passes through the second arc-shaped hole;

[0036] The fourth nut is locked onto the fourth bolt.

[0037] Preferably, the second connecting seat has angle scale lines distributed along the direction of the second arc-shaped hole.

[0038] The present invention provides a camera shooting stand for testing the efficacy of hair loss prevention, which has the following beneficial effects: The present invention designs a camera shooting stand for testing the efficacy of hair loss prevention. This shooting stand can ensure that the camera is perpendicular to the top of the subject's head during shooting, and that the photos taken each time the same subject is photographed are consistent and repeatable. At the same time, the shooting stand adopts a modular design, which is convenient for disassembly and assembly, easy for transportation and storage, and the connection between each module is stable and simple, ensuring rapid installation in different environments. Attached Figure Description

[0039] Figure 1 This is a structural schematic diagram of the present invention from angle one;

[0040] Figure 2 This is a schematic diagram of the structure of this utility model from angle two;

[0041] Figure 3 This is a structural schematic diagram of angle three of this utility model;

[0042] Figure 4 This is a schematic diagram of the structure of this utility model from angle four;

[0043] Figure 5 This is a structural schematic diagram of angle five of this utility model;

[0044] Figure 6 This utility model Figure 3 A magnified view of part A in the image;

[0045] Figure 7 This utility model Figure 4 A magnified view of part B in the image;

[0046] Figure 8 This utility model Figure 5 A magnified view of part C. Detailed Implementation

[0047] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0048] See Figure 1-8 .

[0049] To address the problems mentioned in the background section, this utility model provides a camera stand for testing the effectiveness of hair loss prevention, thereby solving the aforementioned technical problems. The technical solution is as follows:

[0050] A camera stand for testing the effectiveness of hair loss prevention includes a base 110; the bottom of the base 110 can be provided with a friction surface to ensure that the camera stand will not move during the shooting process, thereby improving the stability and safety of the shooting.

[0051] Also includes:

[0052] A head fixation device fixed to the base 110, the head fixation device being used to fix the subject's head;

[0053] A first connecting seat 131 is fixed to the base 110 and spaced apart from the head fixing device;

[0054] A long arm support rod 140 is hinged to the first connecting seat 131, and the long arm support rod 140 is locked and fixed to the first connecting seat 131 by a first locking mechanism.

[0055] A short arm support 150 is slidably connected to the long arm support 140, and the short arm support 150 and the long arm support 140 are locked and fixed by a second locking mechanism.

[0056] A camera fixing device 160 is slidably connected to the short arm support 150, and the camera fixing device 160 and the short arm support 150 are locked and fixed by a third locking mechanism.

[0057] Among them, the long arm support rod 140 and the short arm support rod 150 are respectively distributed with length scale lines along their respective support rod length directions.

[0058] The working method of the camera shooting stand for testing the efficacy of hair loss prevention provided in this embodiment of the utility model is as follows:

[0059] 1. Adjust the connection angle between the long arm support 140 and the first connecting seat 131 to ensure that the shooting angle of the camera 170 is perpendicular to the top of the subject's head;

[0060] 2. Based on the head size of each subject, adjust the position of the camera fixing device 160 on the short arm support 150 and the position of the short arm support 150 on the long arm support 140 in sequence until they are adjusted to a suitable position, and then fix them with the locking mechanism.

[0061] 3. Each support rod is marked with a scale. After adjusting the position, make the corresponding record to ensure that the same subject can find the previous position every time they return for a follow-up visit, thus ensuring the repeatability and consistency of the photos.

[0062] In a preferred embodiment of the present invention, the first locking mechanism includes a first arc-shaped hole 132, a first bolt 135 and a first nut 136;

[0063] The first arc-shaped hole 132 is provided on the first connecting seat 131, and the first arc-shaped hole 132 is provided around the hinge position of the long arm support rod 140 and the first connecting seat 131.

[0064] The first bolt 135 is fixed to the long arm support rod 140 and passes through the first arc hole 132;

[0065] The first nut 136 is locked onto the first bolt 135.

[0066] When adjusting the connection angle between the long arm support rod 140 and the first connecting seat 131, loosen the first nut 136 and rotate the long arm support rod 140; at this time, the first bolt 135 rotates synchronously with the long arm support rod 140 in the first arc-shaped hole 132; after adjusting to the appropriate angle, tighten the first nut 136.

[0067] In a preferred embodiment of this utility model, the first connecting seat 131 has angle scale lines distributed along the direction of the first arc-shaped hole 132; setting the angle scale lines facilitates recording and adjusting the position, ensuring that the same subject can find the previous position each time they revisit, thus ensuring the repeatability and consistency of the photos.

[0068] In a preferred embodiment of the present invention, the second locking mechanism includes a second bolt 153; the second bolt 153 passes through the short arm support rod 150 and the long arm support rod 140 for locking and fixing.

[0069] It should be noted that the connection method of the short arm support 150 slidingly connected to the long arm support 140 can be that a sliding through hole is provided on the short arm support 150 or a sliding sleeve is provided to slidely connect with the long arm support 140.

[0070] After the short arm support rod 150 slides to a suitable position on the long arm support rod 140, tighten the second bolt 153 that passes through the short arm support rod 150, so that the tail of the second bolt 153 presses against the long arm support rod 140 for locking and fixing.

[0071] In a preferred embodiment of the present invention, the camera fixing device 160 includes: a fixing rod 161, a slider 162, a camera fixing base 163, a connecting plate 164, and a connecting bolt 165;

[0072] A track groove 152 is provided on the top surface of the short arm support 150 along the length of the short arm support 150;

[0073] The slider 162 is slidably connected in the track groove 152; the lower end of the fixing rod 161 is fixed to the slider 162;

[0074] The connecting bolt 165 radially penetrates the upper end of the fixing rod 161; the connecting plate 164 is hinged to the connecting bolt 165, and a nut is connected to the tail of the connecting bolt 165 to lock the connecting plate 164 onto the fixing rod 161;

[0075] The camera mount 163 is fixed to the end of the connecting plate 164, and the camera mount 163 is used to assemble the camera 170.

[0076] The camera mounting base 163 is provided with a slot for mounting the camera 170; different slot shapes can be used to adapt to various camera models; in this embodiment, the camera 170 is mounted using a slot, but in actual design, various other connection methods can be used to mount the camera 170, and no specific limitation is made here.

[0077] The third locking mechanism includes a third bolt 166; the third bolt 166 passes through the slider 162 and its tail presses against the track groove 152 to lock and fix the camera fixing device 160.

[0078] When adjusting the position of the camera mounting device 160 on the short arm support 150, slide the camera mounting device 160 on the short arm support 150 until it reaches the appropriate position, and tighten the third bolt 166 on the slider 162 to lock it in place; at the same time, when adjusting the rotation angle of the camera mounting base 163 on the fixing rod 161, loosen the nut on the connecting bolt 165 to adjust the angle of the camera mounting base 163, and tighten the nut on the connecting bolt 165 after the adjustment is completed.

[0079] As a preferred embodiment of the present invention, the head fixing device includes a fixing block 121, a second connecting seat 123, a short rod 124, an arc-shaped guard plate 125, and a sliding sleeve 126;

[0080] The fixing block 121 is fixed on the base 110, and the top of the fixing block 121 is provided with a chin fixing groove 121a;

[0081] The second connecting seat 123 is fixed on the base 110; the short rod 124 is hinged to the second connecting seat 123; the short rod 124 and the second connecting seat 123 are locked and fixed by the fourth locking mechanism.

[0082] The sliding sleeve 126 is slidably connected to the short rod 124, and the sliding sleeve 126 and the short rod 124 are locked and fixed by a through locking bolt;

[0083] The arc-shaped guard plate 125 is fixed on the sliding sleeve 126; length scale lines are distributed along the length direction of the short rod 124.

[0084] The fixing block 121 and the arc-shaped guard plate 125 are both made of soft and safe materials to ensure that the subject feels comfortable during the shooting process and avoid discomfort caused by prolonged shooting.

[0085] How to use the head fixation device: The subject's chin is placed in the chin fixation groove 121a at the top of the fixation block 121, and then the subject's head is fitted into the arc groove of the arc guard plate 125; at the same time, the position of the arc guard plate 125 can be adjusted according to the position of the sliding sleeve 126 on the short rod 124 of different subjects.

[0086] In a preferred embodiment of the present invention, the fourth locking mechanism includes a second arc-shaped hole 127, a fourth bolt 129, and a fourth nut; wherein, the fourth nut is not shown in the figure drawing.

[0087] The second arc-shaped hole 127 is provided on the second connecting seat 123, and the second arc-shaped hole 127 is provided around the hinge position of the short rod 124 and the second connecting seat 123.

[0088] The fourth bolt 129 is fixed to the short rod 124 and passes through the second arc-shaped hole 127;

[0089] The fourth nut is locked onto the fourth bolt 129.

[0090] To ensure that the camera is perpendicular to the subject's head, the short rod 124 and the long arm support rod 140 can be adjusted to have the same rotation angle. When adjusting the angle of the short rod 124, loosen the fourth nut, rotate the short rod 124 until it has the same rotation angle as the long arm support rod 140, and then tighten the fourth nut.

[0091] In a preferred embodiment of this utility model, the second connecting seat 123 has angle scale lines distributed along the direction of the second arc-shaped hole 127; this facilitates recording and adjusting the position, and ensures that it has the same rotation angle as the long arm support rod 140.

[0092] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units; they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0093] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0094] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and concept of this utility model, and all such substitutions or changes should fall within the protection scope of the appended claims.

Claims

1. A camera stand for testing the efficacy of hair loss prevention, comprising a base; characterized in that, Also includes: A head restraint device fixed to the base, used to secure the subject's head; A first connecting seat fixed to the base and spaced apart from the head fixing device; A long arm support rod is hinged to the first connecting seat, and the long arm support rod and the first connecting seat are locked and fixed by a first locking mechanism; A short arm support is slidably connected to the long arm support, and the short arm support and the long arm support are locked and fixed by a second locking mechanism; A camera mounting device is slidably connected to the short arm support rod, and the camera mounting device and the short arm support rod are locked and fixed by a third locking mechanism; Among them, the long arm support and the short arm support have length scale lines distributed along their respective support length directions.

2. The camera stand for testing the anti-hair loss efficacy according to claim 1, characterized in that, The first locking mechanism includes a first arc-shaped hole, a first bolt, and a first nut; The first arc-shaped hole is provided on the first connecting seat, and the first arc-shaped hole is provided with the hinge position of the long arm support rod and the first connecting seat as the center; The first bolt is fixed to the long arm support and passes through the first arc-shaped hole; The first nut is locked onto the first bolt.

3. The camera stand for testing the anti-hair loss efficacy according to claim 2, characterized in that, Angle scale lines are distributed on the first connecting seat along the direction of the first arc-shaped hole.

4. The camera stand for testing the anti-hair loss efficacy according to claim 1, characterized in that, The second locking mechanism includes a second bolt; the second bolt passes through the short arm support rod and the long arm support rod to lock and fix them.

5. The camera stand for testing the anti-hair loss efficacy according to claim 1, characterized in that, The camera mounting system includes: a mounting rod, a slider, a camera mounting base, a connecting plate, and connecting bolts; The top surface of the short arm support is provided with a track groove along the length of the short arm support; The slider is slidably connected in the track groove; the lower end of the fixed rod is fixed to the slider; The connecting bolt passes through the upper end of the fixing rod; the connecting plate is hinged to the connecting bolt, and a nut is connected to the tail of the connecting bolt to lock the connecting plate to the fixing rod; The camera mount is fixed to the end of the connecting plate and is used to assemble the camera.

6. The camera stand for testing the anti-hair loss efficacy according to claim 5, characterized in that, The camera mount has a slot for mounting the camera.

7. The camera stand for testing the anti-hair loss efficacy according to claim 5, characterized in that, The third locking mechanism includes a third bolt; the third bolt passes through the slider and its tail presses against the track groove to lock and fix the camera fixing device.

8. The camera stand for testing the anti-hair loss efficacy according to claim 1, characterized in that, The head fixing device includes a fixing block, a second connecting seat, a short rod, an arc-shaped guard plate, and a sliding sleeve; The fixing block is fixed to the base, and the top of the fixing block is provided with a chin fixing groove; The second connecting seat is fixed on the base; the short rod is hinged to the second connecting seat; the short rod and the second connecting seat are locked and fixed by the fourth locking mechanism. The sliding sleeve is slidably connected to the short rod, and the sliding sleeve and the short rod are locked and fixed by a through locking bolt; The arc-shaped guard plate is fixed to the sliding sleeve; length scale lines are distributed along the length of the short rod.

9. The camera stand for testing the anti-hair loss efficacy according to claim 2, characterized in that, The fourth locking mechanism includes a second arc-shaped hole, a fourth bolt, and a fourth nut; The second arc-shaped hole is provided on the second connecting seat, and the second arc-shaped hole is set around the hinge position between the short rod and the second connecting seat. The fourth bolt is fixed to the short rod and passes through the second arc-shaped hole; The fourth nut is locked onto the fourth bolt.

10. The camera stand for testing the anti-hair loss efficacy according to claim 9, characterized in that, Angle scale lines are distributed along the direction of the second arc-shaped hole on the second connector.

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