Mounting jig and test equipment

Abstract

The utility model relates to an installation jig and test equipment, the installation jig comprises a support and a plurality of bearing structures, the plurality of bearing structures are respectively and independently arranged on the support in a sliding mode, each bearing structure is provided with at least two placing positions, and the placing positions are arranged on the support. The placing positions corresponding to the multiple bearing structures can be combined to form at least two mounting positions, and the at least two mounting positions can be independently provided with a display screen. The installation jig can be suitable for testing display screens of different sizes, at least two display screens can be installed on one installation jig at the same time, and comparison testing of a plurality of display screens is achieved.

Description

Technical Field

[0001] This utility model relates to the field of electronic product testing, and in particular to an installation fixture and testing equipment. Background Technology

[0002] In the fields of display manufacturing and electronic product testing, mounting fixtures are often used for performance testing of products under test, such as vibration testing. Typically, mounting fixtures consist of a fixed bracket and a single mounting plate structure, with the mounting plate providing the mounting position for the display screen. The components of this mounting fixture are rigidly mounted, and the position of the mounting position cannot be adjusted. This means that only one product position can be processed during the testing process, significantly reducing testing efficiency and flexibility.

[0003] While adjustable mounting fixtures have emerged in related technologies that can accommodate displays of various sizes, they are complex in structure, require multiple electric devices for adjustment, are costly, and can only accommodate one size of display at a time. Utility Model Content

[0004] Problems to be solved by utility models

[0005] In response to at least one of the technical problems in the background art described above, this disclosure provides an installation fixture and a testing device.

[0006] Solution for solving the problem

[0007] A first aspect of this application provides an installation fixture, the installation fixture comprising:

[0008] support;

[0009] Multiple support structures are independently slidably disposed on the bracket. Each support structure has at least two placement positions. The placement positions corresponding to the multiple support structures can be combined to form at least two mounting positions. Each of the at least two mounting positions can independently mount a display screen.

[0010] Optionally, at least two of the placement positions of the same support structure are at different heights, and the placement positions at the same height in a plurality of support structures are combined to form the mounting position.

[0011] Optionally, the load-bearing structure includes:

[0012] Back panel;

[0013] A tray is provided at an angle to the back panel, and the tray is located at least at the bottom of the display screen;

[0014] An adjustment component is connected to both the back plate and the tray. The adjustment component adjusts the depth of the placement position by adjusting the distance between the tray and the back plate.

[0015] Optionally, the adjustment component includes:

[0016] A movable component is slidably mounted on the back plate, and the support plate is connected to one end of the movable component;

[0017] A limiting member is connected to the other end of the movable member, and the limiting member and the tray are located on opposite sides of the back plate. The limiting member can abut against the back plate after the movable member slides relative to the back plate with the tray to a preset distance, so as to restrict the separation of the movable member from the back plate.

[0018] Optionally, the adjustment assembly further includes an elastic element located between the back plate and the limiting member, the elastic element being capable of providing an elastic force to limit the tray from moving away from the back plate;

[0019] Alternatively, the adjustment assembly may further include a first locking structure connected to the back plate, the first locking structure being used to lock or unlock the sliding of the movable member relative to the back plate.

[0020] Optionally, the tray is perpendicular to the back plate, and / or, the surfaces of the tray and the back plate that come into contact with the display screen are provided with an anti-slip layer.

[0021] Optionally, the support includes:

[0022] Base;

[0023] A support frame is connected to the base and is movable relative to the base so that the angle between the support frame and the display screen relative to the base is adjustable, and the load-bearing structure is slidably disposed on the support frame;

[0024] The second locking structure is used to lock or unlock the relative movement between the base and the support frame.

[0025] Optionally, the support frame includes:

[0026] A connecting rod, one end of which is rotatably connected to the base;

[0027] At least two crossbars are connected to the connecting rod. The supporting structure is slidably connected to the at least two connecting crossbars and can move synchronously with the crossbars and the connecting rods to make the angle between the display screen and the base adjustable.

[0028] Optionally, the second locking structure includes:

[0029] A first movable component, one end of which is rotatably connected to the base;

[0030] The second movable component has one end rotatably connected to the connecting rod, and the other end of the second movable component is movable relative to the other end of the first movable component;

[0031] A locking element connects the first movable element and the second movable element respectively to lock or unlock the relative movement between the first movable element and the second movable element.

[0032] A second aspect of this application provides a testing device, which includes the mounting fixture described in any embodiment of the first aspect.

[0033] Effects of the utility model

[0034] When testing a display screen, the distance between two adjacent support structures can be adjusted according to the width or length of the screen to match the size of the mounting position, thus accommodating displays of different sizes. Each mounting position can hold a display screen, allowing one fixture to simultaneously mount at least two screens. Multiple mounting positions increase the number of products that can be tested, enabling comparative testing of multiple displays, reducing fixture adjustment time, and improving testing efficiency. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the structure for installing the fixture in some embodiments of this application;

[0036] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0037] Figure 3 This is a schematic diagram of the structure for installing the fixture in some other embodiments of this application;

[0038] Figure 4 for Figure 3 Enlarged view of section B in the middle.

[0039] Explanation of reference numerals in the attached figures

[0040] 10. Bearing structure; 101. Placement position; 11. Back plate; 12. Support plate; 121. Bottom support wall; 122. Side support wall; 13. Adjustment assembly; 131. Movable part; 132. Limiting part; 133. Elastic part; 134. First locking structure; 1341. Locking bolt; 1342. Handle; 20. Base; 30. Support frame; 31. Connecting rod; 32. Crossbar; 33. Second locking structure; 331. First movable part; 3311. Elongated through hole; 332. Second movable part; 3321. Elongated groove; 333. Locking part; 40. Slider. Detailed Implementation

[0041] To make the technical solution and beneficial effects of this utility model more apparent and understandable, a detailed description is provided below by listing specific embodiments. The accompanying drawings are not necessarily drawn to scale, and local features may be enlarged or reduced to more clearly show the details of the local features; unless otherwise defined, the technical and scientific terms used herein have the same meanings as those in the technical field to which this application pertains.

[0042] In the description of this utility model, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this utility model and do not indicate that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. In other words, they should not be construed as limitations on this utility model.

[0043] In this invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating the relative importance of the indicated features or the number of indicated technical features. Therefore, a feature specified as "first" or "second" can explicitly include at least one of those features. In the description of this invention, "a plurality of" means at least two, such as two, three, etc.

[0044] In this utility model, unless otherwise explicitly defined, the terms "installation," "connection," "linking," "fixing," and "setting," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can also refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0045] See Figure 1 and Figure 3 This application provides an installation fixture, which includes a bracket and multiple support structures 10. Each support structure 10 is independently slidably disposed on the bracket. Each support structure 10 has at least two placement positions 101. The placement positions 101 of the multiple support structures 10 can be combined to form at least two installation positions. Each of the at least two installation positions can independently install a display screen.

[0046] When testing the display screen, the distance between two adjacent support structures 10 can be adjusted according to the width or length of the display screen to match the size of the mounting position with the size of the display screen, thus accommodating testing of display screens of different sizes. Each mounting position can hold a display screen, allowing one mounting fixture to simultaneously mount at least two display screens. The multiple mounting positions increase the number of products that can be tested, enabling comparative testing of multiple display screens, reducing fixture adjustment time, and improving testing efficiency.

[0047] exist Figure 1 and Figure 3 In the illustrated implementation, the mounting fixture includes four support structures 10, each with two placement positions 101. These two placement positions 101 are arranged vertically. The placement positions 101 above each of the four support structures 10 together form one mounting position, and the placement positions 101 below each of the four support structures 10 together form another mounting position. In other implementations, the number of support structures 10 can be two, three, five, or more. The number of placement positions 101 can also be three, four, or more, and the number of mounting positions can also be three, four, or more. The number of support structures 10, placement positions 101, and mounting positions is not intended to limit the embodiments of this application.

[0048] In some alternative embodiments, at least two placement positions 101 of the same support structure 10 have different heights, and placement positions 101 at the same height in multiple support structures 10 are combined to form an installation position. This method of forming an installation position is simple and convenient.

[0049] by Figure 1 and Figure 3 Taking the implementation shown as an example, the upper placement positions 101 in each support structure 10 are roughly at the same height, and these four placement positions 101 together form one mounting position. The lower placement positions 101 in each support structure 10 are roughly at the same height, and these four placement positions 101 together form another mounting position. These two mounting positions are distributed vertically and can be adjusted to a suitable position at the same time to realize the comparison test of the two displays.

[0050] In some alternative embodiments, the depth of the placement position 101 is adjustable to accommodate displays of different thicknesses. Since the depth of each placement position 101 is adjustable, the depth of the mounting position formed by multiple placement positions 101 is also adjustable. In conjunction with the foregoing description, the mounting fixture of this application can adapt not only to displays of different widths or lengths but also to displays of different thicknesses, further expanding the applicability of the mounting fixture.

[0051] See Figure 1 and Figure 3 In some optional embodiments, the support structure 10 includes a back plate 11, a support plate 12 and an adjustment component 13, wherein the support plate 12 is set at an angle to the back plate 11 and the support plate 12 is located at least at the bottom of the display screen; the adjustment component 13 is connected to the back plate 11 and the support plate 12 respectively, and the adjustment component 13 adjusts the depth of the placement position 101 by adjusting the distance of the support plate 12 relative to the back plate 11.

[0052] The number of adjustment components 13 can be equal to that of tray 12, and their positions can correspond one-to-one.

[0053] The bottom of the display screen can be supported on the support plate 12 as needed, while the back or front of the display screen rests against the back plate 11. The display screen is installed by the back plate 11 and the support plate 12 together. If the display screen is thick, the position of the support plate 12 can be changed using the adjustment component 13 to increase the thickness that the support plate 12 can support; conversely, if the display screen is thin, the thickness that the support plate 12 can support can be decreased using the adjustment component 13. This method of adapting to different display screen thickness requirements by adjusting the position of the support plate 12 is simple and convenient.

[0054] For example, in Figure 2 and Figure 4 The support plate 12 includes a bottom support wall 121 and a side support wall 122. The bottom support wall 121 abuts against the bottom of the display screen, and the side support wall 122 is opposite to and roughly parallel to the back plate 11. The side support wall 122 and the back plate 11 can "clamp" the display screen from opposite sides, further improving the fixing effect of the display screen.

[0055] For example, support plates 12 can be provided on both the top and bottom sides of the display screen. The mounting position formed by the support plate 12 and the back plate 11 can limit the display screen at least in terms of its top, bottom, front, and back, further ensuring the reliability of the display screen installation and reducing the risk of the display screen falling or moving during testing.

[0056] The back plate 11, bottom support wall 121 and side support wall 122 can support different parts of the product under test (such as a display screen), and multi-point support is also conducive to enhancing the positioning accuracy of the product under test.

[0057] See Figure 2 and Figure 4 In some optional embodiments, the adjustment component 13 includes a movable member 131 and a limiting member 132. The movable member 131 is slidably disposed on the back plate 11. The support plate 12 is connected to one end of the movable member 131, and the limiting member 132 is connected to the other end of the movable member 131. The limiting member 132 and the support plate 12 are located on opposite sides of the back plate 11, respectively. The limiting member 132 can abut against the back plate 11 after the movable member 131 slides relative to the back plate 11 with the support plate 12 to a preset distance, so as to restrict the separation of the movable member 131 from the back plate 11.

[0058] A through hole can be provided on the back plate 11, and the movable member 131 passes through the through hole and can slide along the center line of the through hole. When it is necessary to increase the mounting depth to accommodate a thicker display screen, the movable member 131 can be adjusted to move forward. In this way, the movable member 131 drives the support plate 12 to move forward as well, increasing the distance between the aforementioned side support wall 122 and the back plate 11, that is, increasing the mounting depth. Conversely, when it is necessary to decrease the mounting depth, the movable member 131 can be adjusted to move backward. The movable member 131 drives the support plate 12 to move backward, decreasing the distance between the side support wall 122 and the back plate 11, that is, decreasing the mounting depth. Figure 2 The front-back direction shown also refers to the depth direction of the installation position.

[0059] When the movable part 131 moves forward a preset distance (e.g., 0.5-5cm), the limiting part 132 can abut against the back of the back plate 11 to prevent the movable part 131 from detaching from the back plate 11.

[0060] The limiting member 132 and the support plate 12 are respectively connected to opposite ends of the movable member 131. The connection between the limiting member 132 and the movable member 131 can be a fixed connection, such as: the limiting member 132 and the movable member 131 are integrally formed, or the limiting member 132 and the movable member 131 are fixed by fasteners such as screws or bolts. Of course, the connection between the limiting member 132 and the movable member 131 can also be a detachable connection, such as a snap-fit ​​or fastener.

[0061] Figure 1 and Figure 2 , Figure 3 and Figure 4 Two different structures of adjustment components 13 are shown as examples.

[0062] See Figure 2 In some alternative embodiments, the adjustment assembly 13 further includes an elastic element 133 located between the back plate 11 and the limiting element 132, the elastic element 133 being able to provide an elastic force that restricts the tray 12 away from the back plate 11.

[0063] exist Figure 2In the illustrated implementation, the movable component 131 is a rod, and the elastic component 133 is fitted over the movable component 131. The two ends of the elastic component 133 abut against the back plate 11 and the limiting component 132, respectively. The elastic component 133 can adaptively adjust to the depth of the mounting position. For example, when the display screen is placed on the support plate 12, if the thickness of the display screen is greater than the current mounting depth, the display screen will "push" the support plate 12 forward, causing the elastic component 133 to undergo elastic deformation. After the display screen is removed, the elastic component 133 returns to its elastic deformation, and the elastic force drives the support plate 12 back to its initial position. This adaptive depth-change structure is simple and easy to use.

[0064] Elastic element 133 can be Figure 2 The compression spring shown can also be a spring sheet, rubber part, etc.

[0065] like Figure 1 and Figure 3 As shown, the structure of the limiting member 132 can be the same as that of the tray 12. Of course, the structure of the limiting member 132 can also be different from that of the tray 12.

[0066] See Figure 4 In some alternative embodiments, the adjusting component 13 may not have the elastic element 133. The adjusting component 13 includes a first locking structure 134 connected to the back plate 11. The first locking structure 134 is used to lock or unlock the sliding of the movable element 131 relative to the back plate 11. After adjusting the position of the tray 12 using the movable element 131, the first locking structure 134 is used to lock the movable element 131, restricting its movement relative to the back plate 11. When the position of the tray 12 needs to be adjusted again, it is unlocked.

[0067] For example, the first locking structure 134 includes a locking bolt 1341 and a handle 1342. The locking bolt 1341 can be threaded onto the back plate 11. One end of the locking bolt 1341 passes through the side wall of the aforementioned through hole and extends into the through hole. The handle 1342 is connected to the other end of the locking bolt 1341. When locking is required, the locking bolt 1341 is rotated by operating the handle 1342, tightly pressing one end of the locking bolt 1341 against the movable member 131, restricting the movable member 131 from sliding within the through hole. When unlocking is required, the locking bolt 1341 is rotated in the opposite direction using the handle 1342, releasing the abutment force of the locking bolt 1341 against the movable member 131, allowing the movable member 131 to slide within the through hole.

[0068] In some alternative embodiments, see Figure 1 and Figure 3 The tray 12 is perpendicular to the back plate 11, and / or, the surfaces of the tray 12 and the back plate 11 that come into contact with the display screen are provided with an anti-slip layer.

[0069] Generally, the bottom of the display screen is perpendicular to its back and front, respectively. The vertical arrangement of the support plate 12 and the back plate 11 can better adapt to the shape of the display screen and ensure the installation effect. The support plates 12 at the same height in the multiple support structures 10 are of the same height so that the multiple support plates 12 can support the bottom of the display screen more stably.

[0070] The anti-slip layer can increase the friction between the mounting position and the display screen, reducing or even preventing the product under test from moving on the fixture, or accidentally slipping off during testing or movement.

[0071] The anti-slip layer can be made of silicone, with an uneven surface featuring anti-slip textures, such as a mesh pattern. Preferably, the coefficient of friction of the anti-slip layer is greater than or equal to 0.8.

[0072] The surfaces of the back plate 11 and the support plate 12 that come into contact with the display screen can be provided with an anti-slip layer.

[0073] See Figure 1 and Figure 3 In some alternative embodiments, the bracket includes a base 20, a support frame 30, and a second locking structure 33. The support frame 30 is connected to the base 20 and can move relative to the base 20 so that the angle between the support frame 30 and the display screen relative to the base 20 is adjustable. The bearing structure 10 is slidably disposed on the support frame 30. The second locking structure 33 is used to lock or unlock the relative movement between the base 20 and the support frame 30.

[0074] By utilizing the adjustable angle of the support frame 30 relative to the base 20, the installation angle formed by the load-bearing structure 10 can be adjusted, allowing testers to more flexibly adjust the tilt angle of the display screen as needed. This adjustable tilt angle not only accommodates the testing needs of testers of different heights but also increases the stability of the display screen installation. After adjusting the support frame 30 relative to the base 20 to the desired position, the second locking structure 33 restricts the movement of the support frame 30 relative to the base 20, thus ensuring the stable positioning of the mounting fixture.

[0075] Figure 1 and Figure 3 In the mounting fixture shown, if a display screen is installed, the display screen can be tilted relative to the base 20, which is more stable and reliable than placing the display screen vertically to the base 20.

[0076] Test environment results show that the installation fixture of this application embodiment has a slippage rate of less than 0.5% and a thickness adaptation error of less than ±1mm under vibration environment.

[0077] See Figure 1 and Figure 3In some alternative embodiments, the support frame 30 includes a connecting rod 31 and at least two crossbars 32. One end of the connecting rod 31 is rotatably connected to the base 20; the at least two crossbars 32 are connected to the connecting rod 31, and the load-bearing structure 10 is slidably connected to the at least two connecting crossbars 32 and can move synchronously with the crossbars 32 and the connecting rod 31, so that the angle between the display screen and the base 20 is adjustable. See also Figure 1 The angle α between the display screen and the base 20 can be 10-80°, but is not limited to this.

[0078] The crossbar 32 is substantially perpendicular to the back plate 11. In the embodiment illustrated in this application, the support frame 30 includes two vertically arranged crossbars 32, with a connecting rod 31 at each horizontal end of the crossbar 32. Using at least two crossbars 32 to connect the load-bearing structure 10 provides greater stability. The sliding direction of the load-bearing structure 10 is the same as the extension direction of the crossbars 32, and is substantially parallel to the horizontal plane.

[0079] The load-bearing structure 10 may also include a slider 40, which is connected to the back plate 11 and the crossbar 32 respectively. The back plate 11 is slidably disposed on the crossbar 32 via the slider 40.

[0080] See Figure 1 and Figure 3 In some optional embodiments, the second locking structure 33 includes a first movable member 331, a second movable member 332, and a locking member 333, wherein one end of the first movable member 331 is rotatably connected to the base 20; one end of the second movable member 332 is rotatably connected to the connecting rod 31, and the other end of the second movable member 332 is movable relative to the other end of the first movable member 331; the locking member 333 connects the first movable member 331 and the second movable member 332 respectively to lock or unlock the relative movement between the first movable member 331 and the second movable member 332.

[0081] The structure of locking element 333 can be the same as the aforementioned first locking structure 134, both being bolt-operated manual locking structures. Figure 1 and Figure 3For example, the first movable member 331 has an elongated through hole 3311, and the second movable member 332 has an elongated groove 3321. The elongated through hole 3311 and the elongated groove 3321 are positioned correspondingly. The locking member 333 passes through the elongated through hole 3311 and enters the elongated groove 3321. When locking is required, the bolt of the locking member 333 is rotated to abut against the bottom wall of the elongated groove 3321, restricting the movement of the first movable member 331 relative to the second movable member 332. When unlocking is required, the bolt of the locking member 333 is rotated in the opposite direction to move away from the bottom wall of the elongated groove 3321, allowing the first movable member 331 to move relative to the second movable member 332. The extension directions of the first movable member 331 and the second movable member 332 are approximately parallel or coincident. During the movement of the first movable member 331 relative to the second movable member 332, the longer the overlapping part of the two in their extension directions, the smaller the tilt angle α of the connecting rod 31 relative to the base 20, and the closer the display screen is to the base 20. Conversely, the shorter the overlap between the first movable member 331 and the second movable member 332 in their extension direction, the greater the tilt angle α of the connecting rod 31 relative to the base 20, the further the display screen is from the base 20, and the closer the display screen is to being placed vertically.

[0082] In summary, the mounting fixture of this application embodiment can be manually locked or adjusted at each moving connection, resulting in lower costs. The first locking structure 134 and the second locking structure 33 also ensure the robustness and reliability of the mounting fixture.

[0083] This application also provides a testing device, which includes the mounting fixture described in any of the foregoing embodiments.

[0084] Mechanical reliability tests of the display screen can be performed using mounting fixtures. For example, if a vibration test is to be performed on the display screen, the aforementioned mounting fixture can be placed on a vibration plate or vibration seat.

[0085] If the display screen is subjected to impact testing, it can be used with an impact mechanism.

[0086] Of course, mounting fixtures can also be used to perform non-mechanical reliability tests on the display screen. These can include environmental reliability tests, electrical reliability tests, or display performance tests.

[0087] Without conflict, different embodiments or different technical features of this disclosure can be arbitrarily combined to form new embodiments.

[0088] It should be understood that the above embodiments are exemplary and are not intended to encompass all possible implementations included in the claims. Various modifications and changes can be made to the above embodiments without departing from the scope of this disclosure. Similarly, the various technical features of the above embodiments can be arbitrarily combined to form other embodiments of this utility model that may not be explicitly described. Therefore, the above embodiments only illustrate several implementations of this utility model and do not limit the scope of protection of this utility model patent.

Claims

1. An installation fixture, characterized in that, The mounting fixture includes: support; Multiple support structures (10) are independently slidably disposed on the bracket. Each support structure (10) has at least two placement positions (101). The placement positions (101) corresponding to the multiple support structures (10) can be combined to form at least two mounting positions. The at least two mounting positions can each independently mount a display screen.

2. The mounting fixture according to claim 1, characterized in that, At least two of the placement positions (101) of the same support structure (10) are at different heights, and the placement positions (101) at the same height of a plurality of support structures (10) are combined to form the mounting position.

3. The mounting fixture according to claim 2, characterized in that, The load-bearing structure (10) includes: Back panel (11); The tray (12) is set at an angle to the back plate (11), and the tray (12) is located at least at the bottom of the display screen; Adjustment component (13) is connected to the back plate (11) and the tray (12) respectively. The adjustment component (13) adjusts the depth of the placement position (101) by adjusting the distance between the tray (12) and the back plate (11).

4. The mounting fixture according to claim 3, characterized in that, The adjustment component (13) includes: A movable component (131) is slidably inserted through the back plate (11), and the support plate (12) is connected to one end of the movable component (131); A limiting member (132) is connected to the other end of the movable member (131), and the limiting member (132) and the tray (12) are located on opposite sides of the back plate (11). The limiting member (132) can abut against the back plate (11) after the movable member (131) slides relative to the back plate (11) with the tray (12) to a preset distance, so as to restrict the separation of the movable member (131) from the back plate (11).

5. The mounting fixture according to claim 4, characterized in that, The adjustment assembly (13) further includes an elastic element (133) located between the back plate (11) and the limiting element (132), the elastic element (133) being able to provide an elastic force to restrict the tray (12) from moving away from the back plate (11); Alternatively, the adjustment assembly (13) may further include a first locking structure (134) connected to the back plate (11), the first locking structure (134) being used to lock or unlock the sliding of the movable part (131) relative to the back plate (11).

6. The mounting fixture according to claim 3, characterized in that, The tray (12) is perpendicular to the back plate (11), and / or, the surfaces of the tray (12) and the back plate (11) that come into contact with the display screen are provided with an anti-slip layer.

7. The mounting fixture according to claim 1, characterized in that, The support includes: Base (20); A support frame (30) is connected to the base (20) and can move relative to the base (20) so that the angle between the support frame (30) and the display screen relative to the base (20) is adjustable, and the bearing structure (10) is slidably disposed on the support frame (30). The second locking structure (33) is used to lock or unlock the relative movement between the base (20) and the support frame (30).

8. The mounting fixture according to claim 7, characterized in that, The support frame (30) includes: A connecting rod (31) is rotatably connected at one end to the base (20); At least two crossbars (32) are connected to the connecting rod (31). The supporting structure (10) is slidably connected to the at least two connecting crossbars (32) and can move synchronously with the crossbars (32) and the connecting rod (31) so that the angle between the display screen and the base (20) is adjustable.

9. The mounting fixture according to claim 8, characterized in that, The second locking structure (33) includes: A first movable component (331) is rotatably connected at one end to the base (20). The second movable member (332) has one end rotatably connected to the connecting rod (31), and the other end of the second movable member (332) is movable relative to the other end of the first movable member (331); A locking element (333) is connected to the first movable element (331) and the second movable element (332) respectively to lock or unlock the relative movement between the first movable element (331) and the second movable element (332).

10. A testing device, characterized in that, The testing equipment includes the mounting fixture as described in any one of claims 1 to 9.

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