Fixture for the screen

Abstract

The present application provides a fixture for a screen, which includes a base and two folding components. The folding component includes a fixing plate for fixing the screen and a door plate for guiding the bending of the screen. The door plate is arranged on one side of the fixing plate close to the base. A first included angle is formed between the surface of the fixing plate facing the screen and the surface of the door plate facing the screen. The fixing plate is rotatably connected to the base, and the door plate is rotatably connected to the base through the fixing plate. A locking structure is provided between the door plate and the fixing plate. When the locking structure is in the unlocked state, the door plate can rotate relative to the fixing plate around the first axis to adjust the angle of the first included angle. When the door plate rotates to any preset rotation position, the locking structure is in the locked state, and the door plate and the fixing plate at the preset rotation position are locked and fixed through the locking structure. The fixture in the embodiment of the present application can flexibly adjust the shape parameters of the bending area of the screen, can adapt to various product design schemes of the screen, thereby reducing the test cost and improving the test efficiency.

Description

Technical Field

[0001] This application relates to the field of folding screen test fixtures, and particularly to a fixture for a screen. Background Art

[0002] Since foldable electronic devices emerged, the folding screen technology has advanced rapidly. For products such as folding mobile phones and folding tablets that are used frequently in daily life, the screen needs to be bent thousands of times as the device opens and closes. Its mechanical properties and material properties are particularly important. When designing products, fixtures are required to test the screen.

[0003] A screen test fixture is a device that can be unfolded and folded. The screen is fixed on the fixture to simulate the opening and closing process in daily use by users, and undergoes millions of continuous folding tests or long-term static placement in the folded state. The fixture performs profiling tests on the bending process or static placement process of the screen to detect the strength, durability, tight fit between the screen and the body of the screen, as well as the high temperature resistance, low temperature resistance, and salinity resistance in extreme environments. Through testing, excellent materials and structures can be selected, and unqualified products can be eliminated, thereby improving the quality and reliability of folding devices.

[0004] The fixture includes a base, and fixing plates and door panels are arranged on both sides of the base. The door panel is located between the base and the fixing plate. Among them, the fixing plate is used to fix the screen, and the door panel is used to guide the bending of the screen. During the test, the bending area of the screen is guided by the door panel to be bent into a preset shape, such as a water droplet shape, a bar spherical shape, a U shape, etc. Among them, the water droplet form can not only reduce the bending degree of the bending area of the screen, making the screen smoother and flatter after unfolding, but also contribute to the thinness and lightness of the electronic device, and has been widely used in the field of folding mobile phones. When the fixture and the screen are in the folded state, the shape parameters of the water droplet-shaped bending area mainly include the bending opening angle and the bending radius. The bending opening angle is mainly controlled by the inclination angle of the door panel (the angle at which the door panel is inclined relative to the fixing plate), and the bending radius depends more on the width of the door panel. Existing fixtures usually have the shape and inclination angle of the door panel designed at the time of factory production. In the folded state, the door panel and the fixing plate are relatively fixed, and the inclination angle of the door panel and the width of the door panel cannot be changed, and the bending opening angle and the bending radius of the tested screen cannot be changed either. If the shape parameters of the screen need to be changed, only a new fixture can be customized, resulting in a large demand for fixtures in the product testing link, high fixture customization costs, and long testing cycles, further leading to high product development and testing costs and low efficiency.

[0005] Therefore, the fixtures in the prior art cannot flexibly adjust the shape parameters of the screen bending area, and can only adapt to a single product design scheme, which is not conducive to improving the efficiency and cost control in the product development and testing links. Summary of the Invention

[0006] The fixture for a screen provided by an embodiment of the present application solves the problem that the fixtures in the prior art cannot flexibly adjust the shape parameters of the bent area of the screen, and can only adapt to a single product design scheme, which is not conducive to improving the efficiency and cost control in the product development and testing links.

[0007] An embodiment of the present application provides a fixture for a screen, including a base and two folding components, and the two folding components are respectively arranged on both sides of the base in the width direction of the base.

[0008] Each folding component includes a fixing plate for fixing the screen and a door plate for guiding the bending of the screen. The door plate is arranged on the side of the fixing plate close to the base. A first included angle is formed between the surface of the fixing plate facing the screen and the surface of the door plate facing the screen. The fixing plate is rotatably connected to the base, and the door plate is rotatably connected to the base through the fixing plate, so that the fixture can be switched between an open state and a folded state.

[0009] In each folding component, a locking structure is arranged between the door plate and the fixing plate. When the locking structure is in an unlocked state, the door plate can rotate relative to the fixing plate around a first axis to adjust the angle of the first included angle. When the door plate rotates to any one of a plurality of preset rotation positions, the locking structure is in a locked state, and the door plate and the fixing plate at the preset rotation position are locked and fixed through the locking structure.

[0010] The fixture provided by the embodiment of the present application is used to test the bending performance of the screen. The two folding components rotate around the base to switch the fixture between an open state and a folded state. The folding component includes a fixing plate and a door plate. During the test, the two non-bent areas of the screen are respectively fixed on the fixing plates of the two folding components, and are bent and flattened as the fixture is opened and closed. When the fixture is in a folded state, a screen-containing space is formed around between the door plates of the two folding components and the base to accommodate the bent area of the screen, and the bent area of the screen is bent into a preset shape in this space.

[0011] Further, the door plate and the fixing plate in each folding component can rotate relative to each other to adjust the angle of the first included angle. The first included angle is the included angle between the surface of the fixing plate facing the screen and the surface of the door plate facing the screen, that is, the door plate inclination angle. Changing the first included angle can adjust the shape parameters of the bent area of the screen, such as the bending opening angle of a water droplet-shaped structure. A locking structure is also arranged between the fixing plate and the door plate. When the locking structure is in an unlocked state, the door plate can be rotated to any preset rotation position to adjust the angle of the first included angle, and the locking structure is switched to the locked state to lock and fix the door plate and the fixing plate, so that the first included angle is fixed at a preset angle, and then the fixture can be used to test the screen normally. Thus, the first included angle can be adjusted according to different design schemes of the screen, and multiple products can be tested with the same fixture, greatly reducing the number of customized fixtures, which can not only reduce the cost of customizing fixtures, but also shorten the cycle of customizing fixtures.

[0012] Therefore, the fixture provided by the embodiments of the present application can flexibly adjust the shape parameters of the screen bending area, can adapt to various product design schemes of the screen, can reduce the cost in the product development and testing links, and improve the testing efficiency.

[0013] In a possible implementation manner, the locking structure includes a first connection hole and a second connection hole correspondingly arranged in the length direction of the base, and further includes a first fastener. One of the first connection hole and the second connection hole is arranged on the fixing plate, and the other is arranged on the door panel.

[0014] When the locking structure is in the locked state, the first fastener passes through the second connection hole and is in threaded cooperation with the first connection hole to lock and fix the door panel and the fixing plate; when the locking structure is in the unlocked state, the first fastener disengages from the first connection hole;

[0015] Wherein: the second connection hole is an elongated hole, having a first end and a second end along its extending direction. When the locking structure is in the unlocked state, when the door panel rotates to any preset rotation position where any part from the first end to the second end of the second connection hole is oppositely arranged with the first connection hole, the corresponding parts of the first connection hole and the second connection hole are locked and fixed through the first fastener, so that the door panel is fixedly connected to the fixing plate at the preset rotation position.

[0016] Alternatively, the second connection hole includes a plurality of sub-connection holes arranged at intervals. When the locking structure is in the unlocked state, when the door panel rotates to any preset rotation position where any sub-connection hole of the plurality of sub-connection holes is oppositely arranged with the first connection hole, the first connection hole and the corresponding sub-connection hole are locked and fixed through the first fastener, so that the door panel is fixedly connected to the fixing plate at the preset rotation position.

[0017] Adopting the above scheme, the door panel and the fixing plate can be locked and unlocked by tightening and loosening the first fastener. The operation is convenient and simple, the structure is concise, and the production and processing difficulty is low. The second connection hole is integrally long strip-shaped, the angle of the first included angle is continuously adjustable, and the flexibility of the fixture adjustment is relatively high. Alternatively, the second connection hole includes a plurality of sub-connection holes, which are arranged at intervals between different sub-connection holes, and the first included angle is discontinuously adjusted. Several common gears can be set, which is more convenient and fast during adjustment and has higher accuracy.

[0018] In a possible implementation manner, the first connection hole is arranged on the fixing plate, and the second connection hole is arranged on the door panel.

[0019] In a possible implementation manner, in the folding assembly, the door panel includes a main body part and an adjustment block. The main body part is used to guide the bending of the screen, and the adjustment block is fixedly connected to the main body part. The locking structure is arranged between the adjustment block and the fixing plate.

[0020] Adopting the above solution, the door panel is decomposed into two parts according to its functions, and the complex structure is disassembled, which is beneficial to simplifying the production and processing technology.

[0021] In a possible implementation, the adjusting block of the door panel is detachably connected to the main body part. Detachably connecting the adjusting block to the main body part facilitates the replacement of the main body part of the door panel and changes the bending shape of the screen. The width of the main body part of the door panel can be changed to change the bending radius of the screen, further improving the adaptability of the jig to different design schemes of the screen.

[0022] In a possible implementation, a connecting structure is provided between the adjusting block and the main body part of the door panel. The connecting structure includes a second fastener, and correspondingly arranged third and fourth connecting holes. One of the third and fourth connecting holes is arranged on the adjusting block, and the other is arranged on the main body part. The second fastener passes through the third and fourth connecting holes and is in threaded cooperation with the third connecting hole. The adjusting block of the door panel is detachably connected to the main body part through the second fastener, with a simple structure and low processing difficulty.

[0023] In a possible implementation, in the folding assembly, a rotating structure is provided between the fixed plate and the adjusting block of the door panel. The rotating structure includes a connecting shaft and a shaft hole. One of the connecting shaft and the shaft hole is arranged on the adjusting block, and the other is arranged on the fixed plate. The connecting shaft passes through the shaft hole, and the axis of the connecting shaft is the first axis.

[0024] Adopting the above solution, the fixed plate is rotatably connected to the door panel through the connecting shaft, with a simple structure and high matching precision between the connecting shaft and the shaft hole, which is beneficial to accurately adjusting the angle of the first included angle.

[0025] In a possible implementation, the shaft hole is arranged on the adjusting block, and the connecting shaft is arranged on the fixed plate.

[0026] In a possible implementation, a first sliding structure is further provided between the adjusting block and the fixed plate. The first sliding structure includes a first arc-shaped chute and a first slider that are slidably connected to each other. One of the first arc-shaped chute and the first slider is arranged on the adjusting block, and the other is arranged on the fixed plate. In a plane perpendicular to the length direction of the base, the center of the circle where the extending arc of the first arc-shaped chute is located is on the first axis.

[0027] Adopting the above solution, when the locking structure is in the unlocked state, through the cooperation of the first arc-shaped chute and the first slider, it can play a guiding role during the rotation of the door panel relative to the fixed plate around the first axis, so as to more smoothly realize the relative rotation between the fixed plate and the door panel, with a simple structure and low processing difficulty.

[0028] In a possible implementation, the first arc-shaped sliding groove is provided on the adjusting block and penetrates the adjusting block in the length direction of the base. A pin shaft is provided at the position of the fixing plate corresponding to the first arc-shaped sliding groove, and the pin shaft is configured as the first slider. The adjusting block is not limited by the thickness of the fixing plate, and the setting space of the first arc-shaped sliding groove in the adjusting block is more sufficient, so that the door panel can rotate at a larger angle relative to the fixing plate. The first arc-shaped sliding groove penetrates the adjusting block, increasing the depth of the cooperation between the first arc-shaped sliding groove and the first slider and preventing the first slider from disengaging from the first arc-shaped sliding groove. The pin shaft has high structural strength. By setting the pin shaft as the first slider, it can resist sliding impact and wear and extend the service life of the jig.

[0029] In a possible implementation, in the folding assembly, the corner of the adjusting block at the end away from the body part is configured as a pointer structure, and a scale line is provided at the position of the fixing plate corresponding to the pointer structure. When the door panel rotates to any preset rotation position, the angle at which the pointer structure points to the scale line corresponds to the angle of the first included angle, that is, the angle at which the pointer structure points to the scale line is the same as the angle of the first included angle. By providing the scale line on the fixing plate, the reading of the first included angle can be directly read to control the rotation position of the door panel.

[0030] In a possible implementation, in the folding assembly, a notch is provided on the side of the fixing plate close to the base, and the adjusting block is installed in the notch. By providing the notch for installing the adjusting block on the fixing plate, not only can sufficient accommodation space be provided for the adjusting block to make the jig structure more compact, but also operation space can be provided for the operator or the machine.

[0031] In a possible implementation, in the folding assembly, the door panel includes two adjusting blocks, and the two adjusting blocks are respectively arranged at both ends of the body part in the length direction of the base, and locking structures are provided between the two adjusting blocks and the fixing plate.

[0032] By adopting the above scheme, adjusting blocks and locking structures are provided at both ends of the door panel body part, so that the locking force between the door panel and the fixing plate can be more uniform, and moreover, the two locking structures are mutually calibrated, and the adjustment accuracy of the first included angle is higher.

[0033] In a possible implementation, the adjusting blocks of the two folding assemblies are staggeredly distributed in the length direction of the base. The adjusting blocks of the two folding assemblies are staggered from each other to avoid mutual influence and make the structure of the jig more compact.

[0034] In a possible implementation, the fixing plate of each folding component includes a main body portion and a connecting portion. The main body portion is used to fix the screen, the connecting portion is fixedly connected to the main body portion, and the locking structure is arranged between the door panel and the connecting portion of the fixing plate; when the fixing plate is provided with a first connecting hole, the first connecting hole is arranged on the connecting portion; when the fixing plate is provided with a connecting shaft, the connecting shaft is arranged on the connecting portion; when the fixing plate is provided with a pin shaft, the pin shaft is arranged on the connecting portion; when the fixing plate is provided with a scale line, the scale line is arranged on the connecting portion. Decomposing the fixing plate into different parts according to functions is conducive to simplifying the production and processing technology of the fixing plate.

[0035] In a possible implementation, the base includes a base body and two sliding seats, and the two sliding seats are fixedly arranged at both ends of the base body in the length direction of the base.

[0036] At both ends of the fixing plate in each folding component in the length direction of the base, second sliders are provided, and at positions corresponding to the second sliders of each sliding seat, second arc-shaped chutes are provided. Each second slider is slidably connected to the corresponding second arc-shaped chute, so that the fixing plate is slidably and rotatably connected to the base.

[0037] Adopting the above solution, the fixing plate is rotatably connected to the base through the cooperation of the second arc-shaped chute and the second slider. The structure is simple, the processing difficulty is low, and the rotation trajectory of the fixing plate can be controlled through the design of the second arc-shaped chute. Sliding seats are arranged at both ends of the base body, making the relative sliding process between the fixing plate and the base more balanced and stable. Brief Description of the Drawings

[0038] Figure 1 It is a schematic structural diagram of the screen in the unfolded state;

[0039] Figure 2 It is a schematic structural diagram of the screen in the bent state;

[0040] Figure 3a It is a schematic diagram of a jig cooperating with the screen, wherein the screen has a small bending angle and the door panel has a large width;

[0041] Figure 3b It is a schematic diagram of a jig cooperating with the screen, wherein the screen has a large bending angle and the door panel has a large width;

[0042] Figure 3c It is a schematic diagram of a jig cooperating with the screen, wherein the screen has a small bending angle and the door panel has a small width;

[0043] Figure 4a It is a schematic three-dimensional structure diagram of the jig in the open state of the embodiment of the present application;

[0044] Figure 4b It is a schematic planar structure diagram of the jig in the open state of the embodiment of the present application;

[0045] Figure 5 Schematic three-dimensional structure diagram of the fixture in the folded state according to an embodiment of the present application;

[0046] Figure 6 Schematic diagram of the cooperation between the fixture in the open state and the screen according to an embodiment of the present application;

[0047] Figure 7a Schematic diagram of the cooperation between the fixture in the folded state and the screen according to an embodiment of the present application, wherein the inclination angle of the door panel is small;

[0048] Figure 7b Schematic diagram of the cooperation between the fixture in the folded state and the screen according to an embodiment of the present application, wherein the inclination angle of the door panel is large;

[0049] Figure 7c Schematic diagram of the cooperation between the fixture in the folded state and the screen according to an embodiment of the present application, wherein the inclination angle of the door panel is 0°;

[0050] Figure 8a Schematic assembly structure diagram of the folding component in the fixture according to an embodiment of the present application;

[0051] Figure 8b is Figure 8a Partial enlarged view of part C in;

[0052] Figure 9a Schematic exploded structure diagram of the folding component in the fixture according to an embodiment of the present application;

[0053] Figure 9b is Figure 9a Partial enlarged view of part D in;

[0054] Figure 10a Schematic structure diagram of the first embodiment of the adjusting block in the fixture according to an embodiment of the present application;

[0055] Figure 10b Schematic structure diagram of the cooperation between the first embodiment of the adjusting block and the connecting part in the fixture according to an embodiment of the present application, wherein the first connecting hole corresponds to the first end of the second connecting hole;

[0056] Figure 10c Schematic structure diagram of the cooperation between the first embodiment of the adjusting block and the connecting part in the fixture according to an embodiment of the present application, wherein the first connecting hole corresponds to a position between the first end and the second end of the second connecting hole;

[0057] Figure 10d Schematic structure diagram of the cooperation between the first embodiment of the adjusting block and the connecting part in the fixture according to an embodiment of the present application, wherein the first connecting hole corresponds to the second end of the second connecting hole;

[0058] Figure 11Schematic diagram of the second implementation manner of the adjusting block in the jig of the present application embodiment;

[0059] Figure 12 Schematic diagram of the locking structure in the jig of the present application embodiment;

[0060] Figure 13a Schematic diagram of the connection relationship between the base and other components in the jig of the present application embodiment;

[0061] Figure 13b is Figure 13a partial enlarged view of part E in

[0062] Figure 13c is Figure 13a partial enlarged view of part F in

[0063] Explanation of reference numerals:

[0064] 01, screen; 011, first part; 012, second part; 013, foldable part;

[0065] 013a, inner bending area; 013b, connection area; 013c, outer bending area;

[0066] 100', jig; 1', base; 2', folding assembly; 3', door panel; 4', fixing plate;

[0067] 100, jig; 1, base; 11, base body; 12, sliding seat; 2, folding assembly;

[0068] 3, door panel; 31, body part; 311, first body part; 312, second body part;

[0069] 32, adjusting block; 321, pointer structure; 33, third connection hole; 34, fourth connection hole; 35, second fastener;

[0070] 4, fixing plate; 41, main body part; 411, notch;

[0071] 42, connecting part; 421, first connecting part; 422, second connecting part; 423, pin shaft; 424, scale line;

[0072] 43, connecting platform; 431, first sub-connecting platform; 432, second sub-connecting platform; 44, connecting piece;

[0073] 5, locking structure; 51, first fastener;

[0074] 52, first connection hole; 53, second connection hole; 531, first end; 532, second end; 533, sub-connection hole;

[0075] 54. Locking member; 55. Groove

[0076] 6. Rotating structure; 61. Connecting shaft; 62. Shaft hole

[0077] 7. First sliding structure; 71. First arc-shaped chute; 72. First slider

[0078] 81. Second arc-shaped chute; 82. Second slider

[0079] 9. Synchronization mechanism; 91. Mounting base; 911. Bottom; 912. Side wall

[0080] 93. First gear seat; 94. Second gear seat; 95. Rotating shaft

[0081] β. First included angle; Q. First axis; S. Screen-containing space

[0082] Y. Length direction of the base; X. Width direction of the base Detailed implementation mode

[0083] The following specific embodiments illustrate the implementation modes of the present application. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in this specification. Although the description of the present application will be introduced in combination with some embodiments, this does not mean that the features of this application are limited to this implementation mode. On the contrary, the purpose of introducing the application in combination with the implementation mode is to cover other alternatives or modifications that may be extended based on the claims of the present application. In order to provide a deep understanding of the present application, many specific details will be included in the following description. The present application can also be implemented without using these details. In addition, in order to avoid confusing or obscuring the key points of the present application, some specific details will be omitted in the description. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0084] It should be noted that in this specification, similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0085] In the description of the embodiments of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the embodiments of the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0086] In the description of the embodiments of the present application, 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

[0087] In the description of the embodiments of the present application, it should be understood that "electrical connection" in the embodiments of the present application can be understood as physical contact and electrical conduction between components; it can also be understood as a form of connection between different components in a circuit structure through physical lines such as copper foils or wires of a printed circuit board (PCB) that can transmit electrical signals.

[0088] In the description of the embodiments of the present application, it should be noted that the mutual perpendicularity in the embodiments of the present application is not absolute perpendicularity. The approximate perpendicularity caused by processing errors and assembly errors (for example, the included angle between two structural features is 89.9°) is also within the scope of mutual perpendicularity in the embodiments of the present application. The mutual parallelism in the embodiments of the present application is not absolute parallelism either. The approximate parallelism caused by processing errors and assembly errors (for example, the included angle between two structural features is 0.1°) is also within the scope of mutual parallelism in the embodiments of the present application. The axisymmetry in the embodiments of the present application is not absolute axisymmetry. The approximate axisymmetry caused by processing errors and assembly errors (for example, some structures are offset by a certain distance or angle relative to the axis of symmetry) is also within the scope of axisymmetry in the embodiments of the present application. The central symmetry in the embodiments of the present application is not absolute central symmetry either. The approximate central symmetry caused by processing errors and assembly errors (for example, some structures are offset by a certain distance or angle relative to the axis of symmetry) is also within the scope of central symmetry in the embodiments of the present application. The embodiments of the present application do not make specific limitations on this.

[0089] In the description of the embodiments of the present application, it should be understood that the included angle between two planes may include two angles that add up to 180°, such as an acute angle and an obtuse angle, or two right angles. In the description of the embodiments of the present application, the included angle between two planes is usually measured by an acute angle.

[0090] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will further describe the implementation manners of the present application in detail with reference to the accompanying drawings.

[0091] The embodiments of the present application provide a test fixture for a screen, which can test the screen of a foldable electronic device. The specific type and structure of the screen tested by the fixture in the embodiments of the present application are not limited. The following takes an example to describe the possible structure of the screen.

[0092] Please refer to Figures 1 to 2 , Figure 1 which is a schematic structural diagram of the screen in the unfolded state; Figure 2 which is a schematic structural diagram of the screen in the bent state.

[0093] As Figure 1 、 Figure 2 shown, in a possible implementation, the screen 01 includes a first part 011, a second part 012, and a foldable part 013. The foldable part 013 is located between the first part 011 and the second part 012. Among them, the first part 011 and the second part 012 correspond to the non-bent areas of the screen 01 and are usually fixedly connected to the middle frame of the foldable electronic device. The foldable part 013 corresponds to the bent area of the screen 01 and is usually arranged corresponding to the folding mechanism of the foldable electronic device. During the use of the foldable electronic device, the first part 011 and the second part 012 always remain in a planar state, while the foldable part 013 can be bent to change the included angle between the first part 011 and the second part 012, so that the screen 01 can be folded or unfolded along with the movement of the whole device. Exemplarily, the foldable part 013 can be made of a flexible material so that the foldable part 013 can be bent.

[0094] It should be noted that the bending form of the foldable part 013 (or the whole screen 01) of the screen 01 is not limited, such as a water droplet shape, a rod spherical shape, a U shape, etc. As Figure 2 shown, in a possible implementation, the foldable part 013 of the screen 01 is bent in a water droplet shape. Specifically, the foldable part 013 of the screen 01 is in a water droplet shape in the folded state. The water droplet shape can not only reduce the bending degree of the bent area of the screen 01, make the screen 01 smoother and flatter after unfolding, reduce the risk of creases when the screen 01 is unfolded, but also be beneficial to the thinness and lightness of the electronic device. The shape parameters of the water droplet-shaped bent area mainly include a bending opening angle α and a bending radius r. As Figure 2As shown, the water-drop-shaped bending region may include an inner bending region 013a, two connecting regions 013b, and two outer bending regions 013c. Among them, the inner bending region 013a is the main part of the water-drop shape, which is located at one end of the non-bending region away from the screen 01. The center of curvature of the inner bending region 013a faces inward, and the radius of curvature of this curvature circle is the bending radius r of the water-drop-shaped bending region. The two outer bending regions 013c are located on both sides of the inner bending region 013a and are respectively connected to two non-bending regions (the first part 011 and the second part 012) of the screen 01. The center of curvature of the outer bending region 013c faces outward. The two connecting regions 013b are respectively located between the two outer bending regions 013c and the inner bending region 013a. One end of each connecting region 013b is connected to the inner bending region 013a, and the other end is connected to the outer bending region 013c, and the whole extends approximately along a plane. The bending angle α is the angle between the tangent plane of the outer bending region 013c and the plane where the non-bending region of the screen 01 is located, and is usually measured as an acute angle. Those skilled in the art can understand that the plane M where the connecting region 013b is located is tangent to the outer bending region 013c, and the angle between the plane M and the plane where the non-bending region of the screen 01 is located can be used to represent the bending angle α.

[0095] Please refer to Figures 3a to 3c , Figure 3a is a schematic diagram of the cooperation between a jig and a screen. Among them, the screen has a small bending angle and a large door panel width; Figure 3b is a schematic diagram of the cooperation between a jig and a screen. Among them, the screen has a large bending angle and a large door panel width; Figure 3c is a schematic diagram of the cooperation between a jig and a screen. Among them, the screen has a small bending angle and a small door panel width.

[0096] As Figures 3a to 3c shown, in an example, the jig 100' for testing the screen 01 includes a base 1' and two folding components 2'. The two folding components 2' are arranged on both sides of the base 1' and can rotate around the base 1' to switch the jig 100' between an open state (expanded state) and a folded state (closed state). Each folding component 2' includes a fixing plate 4' and a door panel 3'. The door panel 3' is arranged on the side of the fixing plate 4' close to the base 1'. Among them, the fixing plate 4' is used to fix the screen 01, and the door panel 3' is used to guide the bending of the screen 01. During the test, the bending region (the foldable part 013) of the screen 01 or the whole screen 01 is guided by the door panel 3' to be bent into a preset shape.

[0097] As Figure 3aAs shown, in the folded state, an angle β' (measured as an acute angle) is formed between the surface A' of the fixed plate 4' facing the screen 01 and the surface B' of the door panel 3 facing the screen 01. The angle β' is the door panel inclination angle, that is, the angle by which the door panel 3' is inclined relative to the fixed plate 4'. Those skilled in the art can understand that the door panel inclination angle plays a decisive role in the bending angle of the foldable part of the screen 01. Generally, the angle of the door panel inclination is equal to the bending angle α. Comparing Figure 3a and Figure 3b , only the angle β' is different in the two figures ( Figure 3b has a larger angle β'), and other parameters remain unchanged. It can be seen that after changing the door panel inclination angle, the shape of the foldable part of the screen 01 changes, Figure 3b has a larger bending angle. Those skilled in the art can understand that the bending radius r is mainly affected by the width W' of the door panel 3'. Comparing Figure 3a and Figure 3c , Figure 3c has a smaller width W' of the door panel 3', and other parameters remain unchanged. It can be seen that after changing the width of the door panel 3', the shape of the bending area of the screen 01 changes, Figure 3c more water droplets are exposed after reducing the width of the door panel 3'. In other words, the outer bending area 013c is shortened and the bending radius r is larger.

[0098] The door panel of the jig directly affects the bending shape of the screen that it can test. However, the shape and inclination angle of the door panel are usually designed when the jig leaves the factory. In the folded state, the door panel 3' and the fixed plate 4' are relatively fixed, the door panel inclination angle and the door panel width cannot be changed, and the bending angle and bending radius of the tested screen cannot be changed either, and it can only adapt to a single product design scheme. If the shape parameters of the screen need to be changed, the jig can only be customized again, resulting in a large demand for jigs in the product testing link, high jig customization costs, long testing cycles, and further high product development and testing costs and low efficiency.

[0099] To solve the above problems, the embodiment of the present application creatively sets an adjustment device in the jig, which can change the door panel inclination angle and can adapt to various product design schemes of the screen.

[0100] Please refer to Figures 4a to 7c , Figure 4a which is a schematic three-dimensional structure diagram of the jig of the embodiment of the present application in the open state; Figure 4b which is a schematic plan structure diagram of the jig of the embodiment of the present application in the open state; Figure 5 which is a schematic three-dimensional structure diagram of the jig of the embodiment of the present application in the folded state; Figure 6 which is a schematic diagram of the cooperation between the jig of the embodiment of the present application in the open state and the screen; Figure 7a which is a schematic diagram of the cooperation between the jig of the embodiment of the present application in the folded state and the screen, where the door panel inclination angle is smaller;Figure 7b Schematic diagram of the fixture of the embodiment of the present application in cooperation with the screen in the folded state, where the inclination angle of the door panel is relatively large; Figure 7c Schematic diagram of the fixture of the embodiment of the present application in cooperation with the screen in the folded state, where the inclination angle of the door panel is 0°.

[0101] As Figures 4a to 5 As shown, the fixture 100 provided by the embodiment of the present application includes a base 1 and two folding components 2. The two folding components 2 are respectively arranged on both sides of the base 1 in the width direction X of the base. Each folding component 2 includes a fixing plate 4 for fixing the screen 01 and a door panel 3 for guiding the bending of the screen 01. The door panel 3 is arranged on the side of the fixing plate 4 close to the base 1. The fixing plate 4 is rotatably connected to the base 1, and the door panel 3 is rotatably connected to the base 1 through the fixing plate 4, so that the fixture 100 can be switched between an open state (also referred to as an unfolded state) and a folded state (also referred to as a closed state).

[0102] As Figures 6 to 7a As shown, during the test, the first part 011 and the second part 012 of the screen 01 are respectively fixed on the fixing plates 4 of the two folding components 2, and are bent and flattened as the fixture 100 is opened and closed. When the fixture 100 is in Figure 6 the open state shown, the first part 011 and the second part 012 are in an unfolded state relatively far away from each other, and the foldable part 013 is flattened. When the fixture 100 is in Figure 7a the folded state shown, the first part 011 and the second part 012 are opposite to each other, and the foldable part 013 is in a bent state. Moreover, a screen-containing space S is formed around between the door panels 3 of the two folding components 2 and the base 1 to accommodate the foldable part 013 of the screen 01. The foldable part 013 of the screen 01 is bent into a preset shape in this space, such as Figure 7a and Figure 7b the water droplet shape in, and Figure 7c the baseball shape in, etc., which are not specifically limited.

[0103] It should be noted that when the fixture 100 is in the open state, the opening angle thereof is 180°, that is, the included angle between the two folding components 2 is 180°. Those skilled in the art can understand that the opening angle of the fixture 100 can also be 90°, 120°, 210°, etc. The embodiment of the present application does not limit this, and moreover, the angles exemplified in the embodiment of the present application are all allowed to have a little deviation. For example, when the fixture 100 is in the open state, the opening angle thereof can be 180°, or can be approximately 180°, such as 170°, 175°, 185° or 190°, etc. The same understanding can be made for other angles in the following text.

[0104] Furthermore, as Figures 6 to 7cAs shown, in each folding component 2, a first included angle β is formed between the surface A of the fixed plate 4 facing the screen 01 and the surface B of the door panel 3 facing the screen 01. The first included angle β is the door panel inclination angle, that is, the angle at which the door panel 3 is inclined relative to the fixed plate 4, and is measured as an acute angle. The first included angle β can also be understood as the included angle between the surface of the fixed plate 4 for supporting the screen 01 and the surface of the door panel 3 for guiding the bending of the screen 01.

[0105] As Figure 4a , Figure 4b shown, a locking structure 5 is provided between the door panel 3 and the fixed plate 4. When the locking structure 5 is in the unlocked state, the door panel 3 can rotate relative to the fixed plate 4 about the first axis Q (refer to Figure 8b ), to adjust the angle of the first included angle β. When the door panel 3 rotates to any one of a plurality of preset rotation positions, the locking structure 5 is in the locked state, and the door panel 3 at the preset rotation position is locked and fixed to the fixed plate 4 through the locking structure 5.

[0106] As Figures 6 to 7c shown, wherein, when the door panel 3 is at different preset rotation positions, the angle of the first included angle β is different, that is, the door panel inclination angle is different, and then the bending opening angle α of the bending area (foldable part 013) of the screen 01 is also different. Or it can be understood that the door panel 3 and the fixed plate 4 in each folding component 2 can rotate relative to each other to adjust the angle of the first included angle β. The first included angle β is the included angle between the surface A of the fixed plate 4 facing the screen 01 and the surface B of the door panel 3 facing the screen 01, that is, the door panel inclination angle. Changing the first included angle β can adjust the shape parameters of the bending area of the screen 01, such as the bending opening angle α. A locking structure 5 is also provided between the fixed plate 4 and the door panel 3. When the locking structure 5 is in the unlocked state, the door panel 3 can be rotated to a preset rotation position to adjust the angle of the first included angle β, and the locking structure 5 is switched to the locked state to lock and fix the door panel 3 and the fixed plate 4.

[0107] Among them, the plurality of preset rotation positions refer to the preset positions for testing the screen. At each preset rotation position, the door panel 3 rotates relative to the fixed plate 4 to this position, so that the angle of the first included angle β reaches a preset value (for example, the same as the angle of the preset screen bending opening angle), and the door panel 3 and the fixed plate 4 can be locked and fixed through the locking structure, so that the first included angle β remains unchanged. Fixing the first included angle β at a preset angle (that is, during the switching process of the fixture 100 between the open state and the folded state, the first included angle β does not change automatically and always remains at this preset angle), and then the fixture 100 can be used to test the screen 01 normally. Thus, the first included angle β can be adjusted according to different design schemes of the screen 01, and the same fixture 100 can be used to test multiple products, greatly reducing the number of times of customizing the fixture 100, which can not only reduce the cost of customizing the fixture 100, but also shorten the cycle of customizing the fixture 100.

[0108] Therefore, the jig 100 provided by the embodiments of the present application can flexibly adjust the shape parameters of the screen bending area, can adapt to various product design schemes of the screen, can reduce the cost in the product development and testing links, and improve the testing efficiency.

[0109] For example Figure 7a and Figure 7b As shown, exemplarily, when the jig 100 is in the folded state, the bending area (foldable part 013) of the screen 01 can be in a water droplet shape. Figure 7a and Figure 7b The rotation positions of the middle door panel 3 are different, Figure 7b The first included angle β in Figure 7b is larger. It can be intuitively seen from the figure that Figure 7a the water droplet shape of Figure 7c is different from that of

[0110] Those skilled in the art can understand that both the structure for rotatably connecting the door panel 3 and the fixed plate 4 and the locking structure 5 include various implementation schemes. The possible ways will be exemplified below.

[0111] Please refer to Figures 8a to 10c , Figure 8a which is a schematic assembly structure diagram of the folding assembly in the jig of the embodiment of the present application; Figure 8b is Figure 8a a partial enlarged view of part C in Figure 9a which is a schematic exploded structure diagram of the folding assembly in the jig of the embodiment of the present application; Figure 9b is Figure 9a a partial enlarged view of part D in Figure 10a which is a schematic structure diagram of the first embodiment of the adjusting block in the jig of the embodiment of the present application; Figure 10bThis is a schematic structural diagram of the cooperation between the first embodiment of the adjusting block and the connecting portion in the fixture of the embodiment of the present application. Among them, the first connecting hole corresponds to the first end of the second connecting hole; Figure 10c This is a schematic structural diagram of the cooperation between the first embodiment of the adjusting block and the connecting portion in the fixture of the embodiment of the present application. Among them, the first connecting hole corresponds to a position between the first end and the second end of the second connecting hole; Figure 10d This is a schematic structural diagram of the cooperation between the first embodiment of the adjusting block and the connecting portion in the fixture of the embodiment of the present application. Among them, the first connecting hole corresponds to the second end of the second connecting hole.

[0112] As Figures 8a to 9b shown, in a possible implementation, the locking structure 5 includes a first connecting hole 52 and a second connecting hole 53 correspondingly arranged in the length direction Y of the base, and further includes a first fastener 51. One of the first connecting hole 52 and the second connecting hole 53 is arranged on the fixing plate 4, and the other is arranged on the door panel 3. When the locking structure 5 is in the locked state, the first fastener 51 passes through the second connecting hole 53 and is in threaded cooperation with the first connecting hole 52 to lock and fix the door panel 3 and the fixing plate 4. When the locking structure 5 is in the unlocked state, the first fastener 51 disengages from the first connecting hole 52.

[0113] Or it can be understood that connection holes are respectively opened on the door panel 3 and the fixing plate 4. The first fastener 51 passes through the second connecting hole 53 and is in threaded cooperation with the first connecting hole 52, thereby fixing the door panel 3 and the fixing plate 4 together, making them unable to rotate relative to each other, and the first included angle β is also fixed. If the first fastener 51 disengages from the first connecting hole 52, the door panel 3 and the fixing plate 4 can rotate relative to each other to adjust the first included angle β. Among them, the threaded cooperation between the first fastener 51 and the first connecting hole 52 can also be understood as "tightening", and the disengagement of the first fastener 51 from the first connecting hole 52 can also be understood as "loosening". The door panel 3 and the fixing plate 4 are locked and unlocked by tightening and loosening the first fastener 51, which is convenient and simple to operate, and has a simple structure and low production and processing difficulty.

[0114] It should be noted that the specific positions of the first connecting hole 52 and the second connecting hole 53 are not limited. As Figures 8a to 9b shown, in a possible implementation, the first connecting hole 52 is arranged on the fixing plate 4, and the second connecting hole 53 is arranged on the door panel 3. In some other possible implementations, the first connecting hole 52 can also be arranged on the door panel 3, and the second connecting hole 53 can also be arranged on the fixing plate 4. The specific type of the first fastener 51 is not limited. In a possible implementation, the first fastener 51 is a hexagon bolt. In some other possible implementations, the first fastener 51 can also be a screw, a stud, etc.

[0115] It should be noted that the specific setting position of the locking structure 5 between the door panel 3 and the fixing plate 4 is not limited. AsFigures 8a to 9b As shown, in a possible implementation, in the folding component 2, the door panel 3 includes a main body portion 31 and an adjustment block 32. The main body portion 31 is used to guide the bending of the screen 01, and the adjustment block 32 is fixedly connected to the main body portion 31. The locking structure 5 is disposed between the adjustment block 32 and the fixed plate 4. Specifically, the second connection hole 53 is provided on the adjustment block 32.

[0116] Among them, the adjustment block 32 of the door panel 3 and the main body portion 31 can be an integral structure or a split structure. In a possible implementation, the adjustment block 32 of the door panel 3 and the main body portion 31 are of a split structure. Since the locking structure 5 is added, the structure of the door panel 3 will be relatively complex. Decomposing the door panel 3 into two parts according to its functions and disassembling the complex structure is beneficial to simplifying the production and processing process.

[0117] It should be noted that when the adjustment block 32 of the door panel 3 and the main body portion 31 are of a split structure, they can be detachably connected or non-detachably connected (for example, fixed by welding, etc.). The embodiments of the present application do not limit this. In a possible implementation, the adjustment block 32 of the door panel 3 and the main body portion 31 are detachably connected. Detachably connecting the adjustment block 32 and the main body portion 31 facilitates the replacement of the main body portion 31 of the door panel 3. The function of the main body portion 31 is to guide the bending of the screen 01, and replacing different main body portions 31 can also change the bending shape of the screen 01. For example, the width W of the main body portion 31 of the door panel 3 can be changed (as Figure 7a shown) to change the bending radius r of the screen 01, further improving the adaptability of the jig 100 to different design schemes of the screen 01. Among them, the width W of the main body portion 31 of the door panel 3 refers to the width of its surface B facing the screen 01, and it can also be understood as the width of the surface used to guide the bending of the screen 01. In some possible implementations, when the adjustment block 32 of the door panel 3 and the main body portion 31 are non-detachably connected, the adjustment block 32 can also be designed to be detachably connected to the fixed plate 4, so that by replacing the entire door panel 3, it can also adapt to the bending radius r of different test screens 01. The embodiments of the present application do not limit this.

[0118] The detachable connection method between the adjustment block 32 and the main body portion 31 is not limited. As Figures 8a to 9bAs shown, in a possible implementation, a connection structure is provided between the adjusting block 32 and the body portion 31 of the door panel 3. The connection structure includes correspondingly arranged third connection holes 33 and fourth connection holes 34. One of the third connection holes 33 and the fourth connection holes 34 is arranged on the adjusting block 32, and the other is arranged on the body portion 31. The second fastener 35 passes through the third connection hole 33 and the fourth connection hole 34 and is in threaded cooperation with the third connection hole 33. The adjusting block 32 of the door panel 3 is detachably connected to the body portion 31 through the second fastener 35, with a simple structure and low processing difficulty. In a possible implementation, the third connection hole 33 is arranged on the adjusting block 32, and the fourth connection hole 34 is arranged on the body portion 31. Alternatively, the third connection hole 33 can also be arranged on the body portion 31, and the fourth connection hole 34 can also be arranged on the adjusting block 32. The embodiments of the present application do not limit this. The second fastener 35 can be a bolt, a screw, etc. The embodiments of the present application do not limit its specific type.

[0119] In some possible implementations, the adjusting block 32 of the door panel 3 and the body portion 31 can also be detachably connected through structures such as snaps, and the embodiments of the present application will not list them one by one.

[0120] As Figures 8a to 9b shown, in a possible implementation, the fixing plate 4 of each folding assembly 2 includes a main body portion 41 and a connecting portion 42. The main body portion 41 is used to fix the screen 01, the connecting portion 42 is fixedly connected to the main body portion 41, and the locking structure 5 is arranged between the door panel 3 and the connecting portion 42 of the fixing plate 4. Specifically, the first connection hole 52 is arranged on the connecting portion 42.

[0121] Among them, the main body portion 41 and the connecting portion 42 of the fixing plate 4 can be an integral structure or a split structure. In a possible implementation, the main body portion 41 and the connecting portion 42 of the fixing plate 4 are in a split structure. Decomposing the fixing plate 4 into different parts according to functions is beneficial to simplifying the production and processing process of the fixing plate 4. Moreover, the locking structure 5 is arranged between the connecting portion 42 of the fixing plate 4 and the adjusting block 32 of the door panel 3, and the connecting portion 42, the adjusting block 32 and the locking structure 5 can be designed as a module separately, which also simplifies the design idea of the jig 100.

[0122] It should be noted that when the main body portion 41 and the connecting portion 42 of the fixing plate 4 are in a split structure, they can be detachably connected or non-detachably connected (for example, fixed by welding, etc.). The embodiments of the present application do not limit this. In a possible implementation, the main body portion 41 and the connecting portion 42 are detachably connected. As Figures 8a to 9bAs shown, the adjusting block 32 is detachably connected to the main body portion 31, facilitating the separate machining of the adjusting block 32. Moreover, the connecting portion 42 of the fixing plate 4, the adjusting block 32 of the door panel 3, and the locking structure 5 can also be detached for design, testing, replacement, and maintenance, so as to maintain and upgrade the jig 100. The specific manner of the detachable connection between the main body portion 41 and the connecting portion 42 of the fixing plate 4 is not limited. For example, it can be connected by fasteners.

[0123] It should be noted that the specific shape of the second connection hole 53 in the locking structure 5 is not limited. As Figures 10a to 10d shown, in a possible implementation manner, the second connection hole 53 is an elongated hole, having a first end 531 and a second end 532 along its extending direction. When the locking structure 5 is in the unlocked state, the door panel 3 rotates to: any preset rotation position where any part of the second connection hole 53 from the first end 531 to the second end 532 is oppositely arranged with the first connection hole 52. At this time, the corresponding parts of the first connection hole 52 and the second connection hole 53 are locked and fixed by the first fastener 51, so that the door panel 3 is fixedly connected to the fixing plate 4 at this preset rotation position.

[0124] Or it can be understood that the second connection hole 53 is overall in an elongated strip shape. When the locking structure 5 is in the unlocked state, the door panel 3 can be rotated to align the first connection hole 52 with any part of the second connection hole 53 from the first end 531 to the second end 532. Each part corresponds to a preset rotation position, and the first included angle β corresponding to each preset rotation position is different. At the preset rotation position, the corresponding parts of the first connection hole 52 and the second connection hole 53 are locked and fixed, and the locking structure 5 switches to the locked state, and the first included angle β can be fixed. With this structure, from the first end 531 to the second end 532 of the second connection hole 53, the angle of the first included angle β is continuously adjustable, and the flexibility of adjusting the jig 100 is relatively high. For example, the first included angle β can be adjusted to any value between 0° and 40°, corresponding to adjusting the bending opening angle of the screen 01 to any value between 0° and 40°, such as 2°, 35°, 40°, etc. It should be noted that the above range is only for example, and the first included angle β can also be adjusted to be greater than 40°, such as 45°, etc. The embodiments of the present application do not limit this.

[0125] Furthermore, the specific extending path of the elongated hole is not limited. In a possible implementation manner, the second connection hole 53 extends along an arc, and the center of the circle where its extending arc is located is on the first axis Q. With this structure, the extending path of the second connection hole 53 is consistent with the rotation path of the door panel 3 relative to the fixing plate 4, with a tight fit, facilitating the rapid adjustment of the angle of the first included angle β, and the shape is concise and beautiful. In some possible implementation manners, the extending path of the second connection hole 53 may also be inconsistent with the rotation path of the door panel 3 relative to the fixing plate 4. The embodiments of the present application do not limit this.

[0126] Please refer to Figure 11 , Figure 11 which is a schematic structural diagram of the second embodiment of the adjusting block in the fixture of the embodiment of the present application.

[0127] As Figure 11 shown, in a possible implementation, the second connection hole 53 may also include a plurality of sub-connection holes 533 arranged at intervals. When the locking structure 5 is in the unlocked state and the door panel 3 rotates to any preset rotation position where any one of the sub-connection holes 533 of the plurality of sub-connection holes 533 is oppositely arranged with the first connection hole 52, the first connection hole 52 and the corresponding sub-connection hole 533 are locked and fixed by the first fastener 51, so that the door panel 3 is fixedly connected to the fixing plate 4 at the preset rotation position.

[0128] Or it can be understood that the second connection hole 53 includes a plurality of sub-connection holes 533 which are arranged at intervals. When the locking structure 5 is in the unlocked state, the door panel 3 can be rotated to align the first connection hole 52 with any sub-connection hole 533. Each sub-connection hole 533 corresponds to a preset rotation position, and the first included angle β corresponding to each preset rotation position is different. At the preset rotation position, the first connection hole 52 and the corresponding sub-connection hole 533 are locked and fixed, and the locking structure 5 is switched to the locked state, and the first included angle β can be fixed. With this structure, the first included angle β can be adjusted discontinuously, and several common gears can be set, which is more convenient and faster to adjust and has higher accuracy. The set gears can be, for example, 0°, 15°, 30°, etc., and the embodiments of the present application do not limit this.

[0129] Those skilled in the art can understand that for Figures 10a to 10d the solution, other gear structures can also be set to make the first included angle β discontinuous, and the adjustment step (adjustment accuracy) can be fixed at 0.5°, 1°, 5°, etc., and the embodiments of the present application do not limit this.

[0130] As Figure 8b , Figures 10b to 10dAs shown, in one possible implementation, the corner of the adjusting block 32 away from the body portion 31 is configured as a pointer structure 321. A scale line 424 is provided at a position corresponding to the pointer structure 321 on the fixing plate 4. When the door panel 3 rotates to any preset rotation position, the angle at which the pointer structure 321 points to the scale line 424 corresponds to the angle of the first included angle β. By providing the scale line 424 on the fixing plate 4, the reading of the first included angle β can be directly read to control the rotation position of the door panel 3. In one possible implementation, the scale line 424 is provided on the connecting portion 42 of the fixing plate 4. In some other possible implementations, the scale line 424 can also be provided at other positions of the fixing plate 4, such as the main body portion 41. The embodiments of the present application do not limit this. Using a part of the adjusting block 32 itself as the pointer structure 321 eliminates the need to additionally provide a pointer structure 321, simplifies the structure of the jig 100, and saves space. In some other possible implementations, a pointer structure 321 can also be provided separately and then fixedly connected to the adjusting block 32 or the body portion 31 of the door panel 3. The embodiments of the present application do not limit this.

[0131] As Figures 8a to 9b shown, in one possible implementation, in the folding assembly 2, a notch 411 is provided on the side of the fixing plate 4 close to the base 1, and the adjusting block 32 is installed in the notch 411. By providing the notch 411 for installing the adjusting block 32 on the fixing plate 4, not only can sufficient accommodation space be provided for the adjusting block 32 to make the structure of the jig 100 more compact, but also operation space can be provided for operators or machines. For example, the first fastener 51 can be installed and disassembled in the notch 411 to conveniently change the state of the locking structure 5.

[0132] It should be noted that the specific position and shape of the notch 411 are not limited. In one possible implementation, the notch 411 is provided on the main body portion 41 of the fixing plate 4, and the connecting portion 42 of the fixing plate 4 can also be accommodated in the notch 411. Since the main body portion 41 has a relatively large area for setting the notch 411, the notch 411 can be made larger to accommodate more components inside the notch 411 and provide more operation space for operators or machines. The notch 411 can be rectangular, circular, irregular, etc. The drawings are only for illustration.

[0133] As Figures 8a to 9b shown, in one possible implementation, the door panel 3 of the folding assembly 2 includes two adjusting blocks 32. The two adjusting blocks 32 are respectively arranged at both ends of the body portion 31 in the length direction Y of the base, and a locking structure 5 is provided between each of the two adjusting blocks 32 and the fixing plate 4. By arranging the adjusting blocks 32 and the locking structures 5 at both ends of the body portion 31 of the door panel 3, the locking force between the door panel 3 and the fixing plate 4 can be made more uniform. Moreover, the two locking structures are mutually calibrated, and the adjustment accuracy of the first included angle β is higher.

[0134] As Figure 4a , Figure 4b shown, in a possible implementation, the adjusting blocks 32 of the two folding components 2 are staggeredly distributed in the length direction Y of the base. Or it can be understood that the adjusting blocks 32 of the two folding components 2 are spaced apart in the length direction Y of the base. With this structure, the adjusting blocks 32 of the two folding components 2 are staggered from each other to avoid mutual influence, and the structure of the jig 100 can be made more compact.

[0135] In some other possible implementations, the door panel 3 of the folding component 2 can also be provided with only one adjusting block 32, or three, four or more adjusting blocks 32 can be provided. The adjusting blocks 32 of the two folding components 2 can also be not staggered (such as aligned) in the length direction Y of the base. The embodiments of the present application do not limit this. The structures of the two folding components 2 can be the same or different. The embodiments of the application do not limit this.

[0136] Please refer to Figure 12 , Figure 12 , which is a schematic structural diagram of the locking structure in the jig of the embodiment of the present application.

[0137] Those skilled in the art can understand that the locking structure 5 can also be set to other structures and set at other positions. As Figure 12 shown, in a possible implementation, the locking structure 5 is arranged between the door panel 3 and the fixing plate 4. In one example, the locking structure 5 is directly arranged between the main body part 31 of the door panel 3 and the main body part 41 of the fixing plate 4. Specifically, the main body part 41 of the fixing plate 4 includes a plurality of grooves 55 arranged at intervals, and the main body part 31 of the door panel 3 includes a locking member 54. The locking member 54 can be set as a convex block protruding from the main body part 31, or the locking member 54 can be set as a telescopic structure. For example, a limiting groove is arranged in the main body part 31, and the locking member 54 is slidably connected to the limiting groove along the length direction of the limiting groove. An elastic member is arranged between the locking member 54 and the bottom of the limiting groove so that the locking member 54 can be switched between a contracted state and an extended state relative to the limiting groove. When the locking member 54 is in the extended state, the locking member 54 is clamped in the groove 55, and when the locking member 54 is in the contracted state, the locking member 54 is disengaged from the groove 55.

[0138] When the door panel 3 rotates relative to the fixed plate 4, the locking member 54 can slide into any one of the grooves 55 and be fixed therein, so that the door panel 3 and the fixed plate 4 are relatively fixed to each other. Different grooves 55 correspond to different angles of the first included angle β. The specific numbers of the grooves 55 and the locking members 54 are not limited, and the attached drawings are only for illustration. In a possible implementation manner, the grooves 55 can also be provided on the body portion 31 of the door panel 3, and the locking members 54 can also be provided on the main body portion 41 of the fixed plate 4. The embodiments of the present application do not limit this. The locking structure 5 can also be arranged in other forms, and the embodiments of the present application will not list them one by one.

[0139] It should be noted that the embodiments of the present application do not limit the rotational connection structure between the door panel 3 and the fixed plate 4. Several possible solutions are illustrated below.

[0140] As Figures 8a to 9b shown, in a possible implementation manner, in the folding assembly 2, a rotational structure 6 is provided between the fixed plate 4 and the adjusting block 32 of the door panel 3. The rotational structure 6 includes a connecting shaft 61 and a shaft hole 62. One of the connecting shaft 61 and the shaft hole 62 is arranged on the adjusting block 32, and the other is arranged on the fixed plate 4. The connecting shaft 61 passes through the shaft hole 62, and the axis of the connecting shaft 61 is the first axis Q. The fixed plate 4 and the door panel 3 are rotationally connected through the connecting shaft 61. The structure is simple, and the matching precision between the connecting shaft 61 and the shaft hole 62 is high, which is beneficial to accurately adjusting the angle of the first included angle β.

[0141] In a possible implementation manner, the shaft hole 62 is arranged on the adjusting block 32, and the connecting shaft 61 is arranged on the fixed plate 4. Among them, the connecting shaft 61 can be arranged on the connecting portion 42 or the main body portion 41 of the fixed plate 4. The embodiments of the present application do not limit this. In a possible implementation manner, the connecting shaft 61 is arranged on the connecting portion 42, which is convenient for processing. In some possible implementation manners, the shaft hole 62 can also be arranged on the fixed plate 4, and the connecting shaft 61 can also be arranged on the adjusting block 32. The embodiments of the present application do not limit this.

[0142] As Figures 8a to 9b shown, in a possible implementation manner, a first sliding structure 7 is further provided between the adjusting block 32 and the fixed plate 4. The first sliding structure 7 includes a first arc-shaped chute 71 and a first slider 72 that are slidably connected to each other. One of the first arc-shaped chute 71 and the first slider 72 is arranged on the adjusting block 32, and the other is arranged on the fixed plate 4. In a plane perpendicular to the length direction Y of the base, the center of the circle where the extension arc of the first arc-shaped chute 71 is located is located on the first axis Q. The fixed plate 4 and the door panel 3 can also be rotationally connected through the cooperation of the first arc-shaped chute 71 and the first slider 72, and the structure is simple and the processing difficulty is low.

[0143] In a possible implementation, the first arc-shaped sliding groove 71 is provided on the adjusting block 32 and penetrates through the adjusting block 32 in the length direction Y of the base. The first slider 72 is arranged on the fixing plate 4. Specifically, a pin shaft 423 is provided at the position of the fixing plate 4 corresponding to the first arc-shaped sliding groove 71, and the pin shaft 423 is configured as the first slider 72. The adjusting block 32 is not limited by the thickness of the fixing plate 4, and the setting space of the first arc-shaped sliding groove 71 in the adjusting block 32 is more sufficient, so that the door panel 3 can rotate at a larger angle relative to the fixing plate 4. The first arc-shaped sliding groove 71 penetrates through the adjusting block 32, increasing the depth of the cooperation between the first arc-shaped sliding groove 71 and the first slider 72 and preventing the first slider 72 from disengaging from the first arc-shaped sliding groove 71. The pin shaft 423 has high structural strength. Setting the pin shaft 423 as the first slider 72 can resist sliding impact and wear and extend the service life of the jig 100. The first slider 72 can be arranged on the connecting portion 42 or the main body portion 41 of the fixing plate 4, and the embodiments of the present application do not limit this. In a possible implementation, the first slider 72 is arranged on the connecting portion 42, which is convenient for processing. In some possible implementations, the first arc-shaped sliding groove 71 may not penetrate through the adjusting block 32, an independent component other than the pin shaft 423 can be used as the first slider 72, or the first arc-shaped sliding groove 71 can be arranged on the fixing plate 4 and the first slider 72 can be arranged on the adjusting block 32, etc., and the embodiments of the present application do not limit this.

[0144] Those skilled in the art can understand that only one of the rotating structure 6 and the first sliding structure 7 can be provided, or both can be provided at the same time. As Figures 8a to 9b shown, in a possible implementation, the fixing plate 4 and the door panel 3 are rotationally connected through the rotating structure 6 and the first sliding structure 7 at the same time. The two structures cooperate with each other to limit the door panel 3 and the fixing plate 4 from multiple degrees of freedom, and the adjustment accuracy of the first included angle β can be improved. As Figures 8a to 9b shown, a locking structure 5, a first sliding structure 7 and a rotating structure 6 are simultaneously arranged between the fixing plate 4 and the door panel 3 of the folding assembly 2, and the three cooperate together to fix the door panel 3 at a preset rotation position. Specifically, first, the locking structure 5 is switched to the unlocked state, and then the door panel 3 and the fixing plate 4 are relatively rotated through the cooperation of the connecting shaft 61 and the shaft hole 62. And, through the cooperation of the first arc-shaped sliding groove 71 and the first slider 72, it can play a guiding role during the rotation of the door panel 3 around the first axis Q relative to the fixing plate 4, so that the relative rotation between the fixing plate 4 and the door panel 3 can be realized more smoothly. When the first included angle β reaches the preset value, the door panel reaches the preset rotation position, and then the locking structure is switched to the locked state to fix the door panel at this rotation position.

[0145] It can be understood that the change range of the preset rotation position (or the adjustment range of the first included angle β, which can be understood) is jointly determined by the locking structure 5 and the first sliding structure 7. Specifically, the range in which the second connection hole 53 extends around the first axis Q and the range in which the first arc-shaped chute extends around the first axis Q jointly determine the adjustment range of the first included angle β. In a possible implementation manner, when the first connection hole 52 is relatively located at both ends of the second connection hole 53 along its extending direction, the first slider 72 also relatively slides to both ends of the first arc-shaped chute 71 along its extending direction, that is, the angle range of the two ends of the second connection hole 53 relative to the first axis Q is the same as the angle range of the two ends of the first arc-shaped chute 71 relative to the first axis Q. In some possible implementation manners, the angle range of the two ends of the second connection hole 53 relative to the first axis Q and the angle range of the two ends of the first arc-shaped chute 71 relative to the first axis Q may also be inconsistent, and the present application does not limit this.

[0146] In a possible implementation manner, only the first sliding structure 7 may also be provided, or only the rotating structure 6 may be provided, reducing the production and processing requirements and saving costs. In a possible implementation manner, the rotating structure 6 and the first sliding structure 7 may also not be provided, and the rotation position of the door panel 3 may be changed only by manual or machine operation, as long as the locking structure 5 can be provided to lock and fix the door panel 3 to the fixing plate 4.

[0147] Those skilled in the art can understand that the shapes of the main body portion 31 of the door panel 3 and the adjusting block 32, and the main body portion 41 and the connecting portion 42 of the fixing plate 4 are not limited, and should be specifically designed according to the settings and avoidance of the components. Examples will be given below with reference to the drawings.

[0148] Such as Figure 9a 、 Figure 9b As shown, in a possible implementation manner, the main body portion 31 of the door panel 3 is an overall strip-shaped structure, including a first main body portion 311 and a second main body portion 312 that are connected in sequence. Among them, the first main body portion 311 is used to cooperate with the main body portion 41 of the fixing plate 4, and the second main body portion 312 is used to fix to the adjusting block 32. As Figures 6 to 7c As shown, the opposite surfaces between the first main body portion 311 of the main body portion 31 of the door panel 3 and the main body portion 41 of the fixing plate 4 are both inclined surfaces to avoid each other, so that the rotation angle range between the door panel 3 and the fixing plate 4 can be larger, increasing the adjustment range of the first included angle β. As Figure 8b As shown, the cross-section of the second main body portion 312 is rectangular, which is convenient for processing the fourth connection hole 34.

[0149] Such as Figures 8a to 9b As shown, in a possible implementation manner, the adjusting block 32 of the door panel 3 is an irregular plate-shaped structure, which can not only save space but also obtain enough area to set the second connection hole 53, the shaft hole 62, and the first arc-shaped chute 71.

[0150] As Figures 8a to 9b shown, in a possible implementation, the connecting portion 42 of the fixing plate 4 includes a first connecting portion 421 and a second connecting portion 422 which are connected to each other. The first connecting portion 421 is disposed opposite to the adjusting block 32 and is used to set the pin shaft 423, the connecting shaft 61, the first connecting hole 52, and the scale line 424. The second connecting portion 422 is used to be fixedly connected to the main body portion 41 of the fixing plate 4. The manner in which the second connecting portion 422 is fixedly connected to the main body portion 41 is not limited. For example, it can be fixed by fasteners, shaft-hole fitting, welding, riveting, etc. The attached drawings are only for illustration.

[0151] It should be noted that the embodiment of the present application does not limit the rotational connection structure between the door panel 3 and the base 1. Several possible solutions are exemplified below.

[0152] Please refer to Figures 13a to 13c , Figure 13a which is a schematic diagram of the connection relationship between the base and other components in the fixture of the embodiment of the present application; Figure 13b is Figure 13a a partial enlarged view of part E in Figure 13c is Figure 13a a partial enlarged view of part F in

[0153] As Figures 13a to 13c shown, in a possible implementation, the base 1 includes a base body 11 and two sliding seats 12. The two sliding seats 12 are fixedly arranged at both ends of the base body 11 in the length direction Y of the base. Second sliders 82 are provided at both ends of the fixing plate 4 in each folding assembly 2 in the length direction Y of the base. Second arc-shaped chutes 81 are provided at positions corresponding to the second sliders 82 on each sliding seat 12. Each second slider 82 is slidably connected to the corresponding second arc-shaped chute 81, so that the fixing plate 4 is slidably and rotationally connected to the base 1.

[0154] The fixing plate 4 is rotationally connected to the base 1 through the cooperation of the second arc-shaped chute 81 and the second slider 82. The structure is simple and the processing difficulty is low. Moreover, the rotation trajectory of the fixing plate 4 can be controlled through the design of the second arc-shaped chute 81, so as to simulate the bending trajectory during the unfolding or closing process of the screen 01. Sliding seats 12 are provided at both ends of the base body 11, so that the relative sliding process between the fixing plate 4 and the base 1 is more balanced and stable. In some possible implementations, only one sliding seat 12 may be provided, and the embodiment of the present application does not limit this.

[0155] The sliding seat 12 and the base body 11 may be an integral structure or a split structure, and the embodiments of the present application do not limit this. In a possible implementation manner, the sliding seat 12 and the base body 11 are of a split structure and are detachably connected by means such as fasteners and shaft-hole cooperation, which is convenient for assembling the jig 100.

[0156] It should be noted that the setting position of the second slider 82 on the fixing plate 4 is not limited. As Figures 13a to 13c shown, in a possible implementation manner, each fixing plate 4 further includes a connecting platform 43. The connecting platform 43 is fixedly connected to the main body portion 41 of the fixing plate 4, and the second slider 82 is arranged on the connecting platform 43. Specifically, the connecting platform 43 may include a first sub-connecting platform 431 and a second sub-connecting platform 432 that are fixedly connected. The first sub-connecting platform 431 is fixedly connected to the main body portion 41 of the fixing plate 4. The second sub-connecting platform 432 is arranged between the first sub-connecting platform 431 and the sliding seat 12 on its side in the length direction Y of the base, and the second slider 82 is arranged on the second sub-connecting platform 432. Among them, both between the first sub-connecting platform 431 and the main body portion 41 and between the first sub-connecting platform 431 and the second sub-connecting platform 432 can be disassembled, so as to facilitate the assembly of the jig 100. The specific connection methods between the first sub-connecting platform 431 and the main body portion 41 and between the first sub-connecting platform 431 and the second sub-connecting platform 432 are not limited, and the drawings are only for illustration.

[0157] As Figures 13a to 13c shown and understood in combination with Figure 2 In a possible implementation manner, a synchronization mechanism 9 is further arranged on the base 1. Under the driving action of the synchronization mechanism 9, the two folding assemblies 2 can rotate synchronously relative to the base 1, so that the first part 011 and the second part 012 of the screen 01 rotate synchronously. The number of the synchronization mechanisms 9 is not limited. In a possible implementation manner, two synchronization structures are arranged at intervals along the length direction Y of the base, and the two synchronization structures are respectively installed at both ends of the base body 11, so that the folding assemblies 2 are more balanced in force when rotating. In some possible implementation manners, only one synchronization structure may also be provided, or 3, 4 or more synchronization mechanisms 9 may be provided.

[0158] The specific structure of the synchronization mechanism 9 is not limited. In a possible implementation manner, the synchronization mechanism 9 includes a mounting seat 91, and a first gear seat 93 and a second gear seat 94 mounted on the mounting seat 91. The mounting seat 91 is fixedly connected to the base body 11. It should be noted that the mounting seat 91 and the base body 11 may be an integral structure or a split structure, and the present application does not limit this. Gear structures are arranged on each gear seat, the gear structures of the two gear seats are meshed with each other, and are respectively connected to the fixing plates 4 of the two folding assemblies 2. The two gear seats rotate synchronously through the meshing of the gear structures, and drive the synchronous rotation between the two folding assemblies 2.

[0159] Among them, the specific structures of the mounting base 91, the first gear seat 93, and the second gear seat 94 are not limited. In a possible implementation manner, the mounting base 91 is a U-shaped structure, including a bottom 911 and two side walls 912 oppositely arranged in the length direction Y of the base. The bottom 911 is used for fixedly connecting with the base body 11, and the two side walls 912 are used for mounting the gear seats. The gear structures of each gear seat are arranged in the accommodating space surrounded by the bottom 911 of the mounting base 91 and the two side walls 912. Two rotating shafts 95 pass through the two side walls 912 and the centers of the gear structures of the two gear seats, mounting the gear seats on the mounting base 91 and rotatably connecting with the mounting base 91.

[0160] Among them, the connection manner between each gear seat and the fixing plate 4 is not limited. In a possible implementation manner, the fixing plate 4 of each folding assembly 2 further includes a connecting member 44. A part of the connecting member 44 is fixedly connected to the main body part 41 of the fixing plate 4, and a part is fixedly connected to the gear seat on its corresponding side, so as to fixedly connect the gear seat with the fixing plate 4. The connection between the connecting member 44 and the main body part 41, and the connection between the connecting member 44 and the gear seat can be fixed by means such as fasteners, shaft-hole fit, welding, riveting, bonding, etc. The drawings are only for illustration. As Figure 13c shown, in a possible implementation manner, the first sub-connection platform 431 is reused as the connecting member 44, which can simplify the structure, reduce the number of parts, and save space. The connecting member 44 can also be set separately, and the embodiments of the present application do not limit this.

[0161] In other alternative implementation manners, the relative rotation between the two folding assemblies 2 can also be driven by various transmission methods such as chain drive and belt drive. The embodiments of the present application do not limit this.

[0162] Those skilled in the art can understand that the above description of the jig 100 is only for example and does not limit the jig 100 provided by the embodiments of the present application. In fact, the jig 100 may include more or fewer components than the above examples.

[0163] Obviously, those skilled in the art can make various changes and deformations to the present application without departing from the scope of the present application. Thus, if these modifications and deformations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and deformations.

Claims

1. A fixture for a screen, characterized in that: It comprises a base and two folding components, wherein the two folding components are respectively arranged on both sides of the base in the width direction of the base; Each folding assembly includes a fixing plate for fixing the screen and a door plate for guiding the screen to bend, the door plate is arranged on a side of the fixing plate close to the base, a first angle is formed between a surface of the fixing plate facing the screen and a surface of the door plate facing the screen, the fixing plate is rotatably connected to the base, and the door plate is rotatably connected to the base through the fixing plate, so that the jig can be switched between an open state and a folded state; In each of the folding components, a locking structure is provided between the door panel and the fixed plate. When the locking structure is in an unlocked state, the door panel can rotate relative to the fixed plate around a first axis to adjust the angle of the first angle. When the door panel is rotated to any one of a plurality of preset rotation positions, the locking structure is in a locked state, and the door panel at the preset rotation position is locked and fixed to the fixed plate by the locking structure.

2. The fixture according to claim 1, characterized in that: The locking structure includes a first connection hole and a second connection hole correspondingly arranged in the length direction of the base, and also includes a first fastener, one of the first connection hole and the second connection hole is arranged in the fixing plate, and the other is arranged in the door panel; When the locking structure is in a locked state, the first fastener passes through the second connecting hole and is threadedly engaged with the first connecting hole to lock and fix the door panel and the fixing plate; when the locking structure is in an unlocked state, the first fastener is disengaged from the first connecting hole; Wherein: the second connecting hole is an elongated hole having a first end and a second end along its extension direction; when the locking structure is in an unlocked state, the door panel rotates to: any preset rotation position where any part of the second connecting hole from the first end to the second end is relatively arranged with the first connecting hole, the first fastener is used to lock and fix the corresponding parts of the first connecting hole and the second connecting hole, so that the door panel is fixedly connected to the fixing plate at the preset rotation position; Alternatively, the second connecting hole includes a plurality of sub-connecting holes arranged at intervals. When the locking structure is in an unlocked state, the door panel rotates to: any sub-connecting hole of the plurality of sub-connecting holes is any preset rotation position relatively set to the first connecting hole, the first connecting hole and the corresponding sub-connecting hole are locked and fixed by the first fastener, so that the door panel is fixedly connected to the fixing plate at the preset rotation position.

3. The fixture according to claim 2, characterized in that: The first connection hole is arranged on the fixing plate, and the second connection hole is arranged on the door plate.

4. The fixture according to claim 1, characterized in that: In the folding assembly, the door panel includes a main body and an adjusting block, the main body is used to guide the screen to bend, the adjusting block is fixedly connected to the main body, and the locking structure is arranged between the adjusting block and the fixed plate.

5. The fixture according to claim 4, characterized in that: The adjusting block of the door panel is detachably connected to the main body.

6. The fixture according to claim 5, characterized in that: A connecting structure is arranged between the adjusting block and the main body of the door panel, and the connecting structure includes a second fastener, and a corresponding third connecting hole and a fourth connecting hole, one of the third connecting hole and the fourth connecting hole is arranged on the adjusting block, and the other is arranged on the main body, and the second fastener passes through the third connecting hole and the fourth connecting hole, and cooperates with the third connecting hole through a thread.

7. The fixture according to claim 4, characterized in that: In the folding assembly, a rotating structure is provided between the fixing plate and the adjusting block of the door panel; The rotating structure includes a connecting shaft and an axial hole, one of which is arranged on the adjusting block, and the other is arranged on the fixing plate, the connecting shaft passes through the axial hole, and the axis of the connecting shaft is the first axis.

8. The fixture according to claim 7, characterized in that: The shaft hole is arranged on the adjusting block, and the connecting shaft is arranged on the fixing plate.

9. The fixture according to claim 4, characterized in that: A first sliding structure is further provided between the adjusting block and the fixing plate, wherein the first sliding structure comprises a first arc-shaped sliding groove and a first sliding block which are slidably connected to each other, wherein one of the first arc-shaped sliding groove and the first sliding block is provided on the adjusting block, and the other is provided on the fixing plate; In a plane perpendicular to the length direction of the base, the center of a circle where the extended arc of the first arc-shaped sliding groove lies is located on the first axis.

10. The fixture according to claim 9, characterized in that: The first arc-shaped sliding groove is arranged on the adjusting block and penetrates the adjusting block in the length direction of the base; A pin is provided at a position of the fixing plate corresponding to the first arc-shaped sliding groove, and the pin is configured as the first sliding block.

11. The fixture according to claim 4, characterized in that: In the folding assembly, the corner of the adjustment block away from one end of the main body is configured as a pointer structure, and a scale line is provided at the position of the fixed plate corresponding to the pointer structure. When the door panel is rotated to any of the preset rotation positions, the angle at which the pointer structure points to the scale line corresponds to the angle of the first angle.

12. The fixture according to claim 4, characterized in that: In the folding assembly, a notch is provided on one side of the fixing plate close to the base, and the adjusting block is installed in the notch.

13. The fixture according to claim 4, characterized in that: In the folding assembly, the door panel includes two adjusting blocks, which are respectively arranged at two ends of the main body in the length direction of the base, and the locking structure is arranged between the two adjusting blocks and the fixing plate.

14. The fixture according to claim 13, characterized in that: The adjusting blocks of the two folding components are staggered in the length direction of the base.

15. The fixture according to any one of claims 1 to 14, characterized in that: The fixing plate of each folding assembly comprises a main body and a connecting portion, the main body is used to fix the screen, the connecting portion is fixedly connected to the main body, and the locking structure is arranged between the door panel and the connecting portion of the fixing plate; When the fixing plate is provided with a first connection hole, the first connection hole is provided at the connection portion; When the fixing plate is provided with a connecting shaft, the connecting shaft is provided at the connecting portion; When the fixing plate is provided with a pin, the pin is provided at the connecting portion; When the fixing plate is provided with scale lines, the scale lines are provided on the connecting portion.

16. The fixture according to any one of claims 1 to 14, characterized in that: The base comprises a base body and two sliding seats, wherein the two sliding seats are fixedly arranged at two ends of the base body in the length direction of the base; The fixed plate in each of the folding components is provided with a second slider at both ends in the length direction of the base, and a second arc-shaped slide groove is provided at the position corresponding to each sliding seat and the second slider. Each second slider is slidably connected to the corresponding second arc-shaped slide groove, so that the fixed plate is slidably and rotatably connected to the base.

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