Fixing device for HDMI wire interface test

Abstract

The utility model discloses a fixing device for HDMI wire interface testing, which comprises a supporting leg frame, the top of the supporting leg frame is fixedly connected with an operation table, the interior of the operation table is provided with a moving assembly, the top of the moving assembly is fixedly connected with an interface testing machine, and the top of the operation table is fixedly connected with a fixing assembly. According to the fixing device for the HDMI line interface test, the self-locking screws on the two sides are rotated, so that the self-locking screws can rotate in the threaded sleeves in the side plates, the self-locking screws can push the limiting plates to clamp and limit equipment to be tested, and when the interface is detected according to needs, the limiting plates can be conveniently adjusted, and the detection efficiency is improved. A motor is started to rotate in a mounting sleeve in a mounting seat by means of a mounting screw rod, so that the mounting seat slides along a moving rod by means of a moving groove, the position of equipment to be tested is adjusted, and the requirement for testing interfaces at different positions on the equipment to be tested can be met; and the damage to the interface is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of HDMI cable interface testing, and specifically provides a fixing device for HDMI cable interface testing. Background Technique

[0002] HDMI cable interface testing is an important link to ensure the performance and stability of HDMI connection cables and interfaces. The HDMI interface, namely the High-Definition Multimedia Interface, is a fully digital video and audio transmission interface that can transmit uncompressed audio and video signals. The HDMI interface is widely used in devices such as TVs, computers, projectors, set-top boxes, DVD players, etc., and has become an important bridge for connecting modern audio and video devices. Currently, when people test HDMI cable interfaces in the market, they often use testing devices;

[0003] The prior art patent document with the publication number CN218381555U provides a fixing device for HDMI cable interface testing. This device fixes the product to be tested on the testing platform through an elastic fixing plug, ensuring that the adapter can be accurately positioned and inserted during the testing process; through cylinder transmission, the insertion and extraction force of the adapter during the testing process can be controlled, thus avoiding damage to the HDMI interface on the product to be tested and improving the product testing efficiency and ensuring the product quality;

[0004] However, in the prior art, for the fixing device for HDMI cable interface testing, generally, after using the fixing device to limit the device to be tested, the docking is carried out. This method generally cannot perform fine adjustment for the docking of the device to be tested and the interface testing machine. If an offset occurs, after the device to be tested is docked with the interface testing machine, it is easy to cause damage to the interface. Therefore, we need a fixing device for HDMI cable interface testing. Content of the Utility Model

[0005] The purpose of the utility model is to provide a fixing device for HDMI cable interface testing to solve the existing problems mentioned in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A fixing device for testing an HDMI cable interface, including a support leg frame, the top of the support leg frame is fixedly connected with an operating table, a moving component is arranged inside the operating table, and the top of the moving component is fixedly connected with an interface testing machine. The top of the operating table is fixedly connected with a fixing component, and a device to be tested is placed on the top of the fixing component. One side of the device to be tested is fixedly connected with an interface: The fixing component includes a motor; the output shaft of the motor is fixedly connected with an installation screw through a coupling; and the outer wall of the installation screw is threadedly connected with an installation seat; an installation sleeve is fixedly connected inside the installation seat; a moving groove is opened inside the installation seat; and a moving rod is slidably connected inside the moving groove; the top of the installation seat is fixedly connected with a side plate; and a threaded sleeve is fixedly connected inside the side plate.

[0007] Preferably, the moving component includes a first cylinder, one end of the first cylinder is fixedly connected with a moving plate, a second cylinder is fixedly connected inside the moving plate, a vertical rod is fixedly connected to the top of the moving plate, the top of the second cylinder is fixedly connected with a mounting plate, and a sliding sleeve is fixedly connected inside the mounting plate. The mounting plate and the vertical rod form a sliding structure through the sliding sleeve, and the inner diameter dimension of the sliding sleeve matches the outer diameter dimension of the vertical rod, and the outer wall of the vertical rod is in contact with the inner wall of the sliding sleeve.

[0008] Preferably, the operating table and the moving plate form a telescopic structure through the first cylinder, and one end of the first cylinder extends into the operating table and is connected to one end of the moving plate.

[0009] Preferably, the moving plate and the mounting plate form a telescopic structure through the second cylinder, and the second cylinder is arranged between the moving plate and the mounting plate.

[0010] Preferably, the motor and the mounting seat form a threaded structure through the installation screw, and one end of the installation screw extends into the installation sleeve inside the mounting seat for connection.

[0011] Preferably, the mounting seat and the moving rod form a sliding structure through the moving groove, and the number of the moving rods is two, and the two moving rods are symmetrically arranged with the vertical bisector of the mounting seat as the axis of symmetry.

[0012] Preferably, a self-locking screw is threadedly connected inside the threaded sleeve, one end of the self-locking screw is rotatably connected with a limiting plate, the side plate and the self-locking screw form a threaded structure through the threaded sleeve, and the inner diameter dimension of the threaded sleeve matches the outer diameter dimension of the self-locking screw, and one end of the self-locking screw extends into the threaded sleeve for connection.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. By rotating the self-locking screws on both sides, the self-locking screws can rotate within the threaded sleeves on the side plates, enabling the self-locking screws to push the limit plates to clamp and limit the device under test. In addition, after installation, when detecting the interfaces as needed, by starting the motor, the installation screws can rotate within the installation sleeves in the mounting base, allowing the mounting base to slide along the moving rod depending on the moving slots, thereby achieving the adjustment of the position of the device under test, and thus meeting the need for testing different-position interfaces on the device under test. The device under test can be docked and finely adjusted with the interface testing machine to reduce the occurrence of damage to the interfaces.

[0015] 2. By starting the second cylinder on the moving plate, the second cylinder can push the interface testing machine to move, enabling the mounting plate to move upward or downward along the outer wall of the vertical rod depending on the sliding sleeves, thereby achieving the need for fine adjustment of the interface testing machine up and down. To a certain extent, the accuracy of docking the device under test with the interface testing machine is improved, and the practicability of the testing device is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front view structural schematic diagram of the present utility model;

[0017] Figure 2 is the structural schematic diagram of the operating table and the interface testing machine of the present utility model;

[0018] Figure 3 is the structural schematic diagram of the mounting base and the device under test of the present utility model;

[0019] Figure 4 is the structural schematic diagram of the moving plate and the mounting plate of the present utility model.

[0020] In the figure: 1, support leg frame; 2, operating table; 3, moving component; 301, first cylinder; 302, moving plate; 303, second cylinder; 304, vertical rod; 305, mounting plate; 306, sliding sleeve; 4, interface testing machine; 5, fixing component; 501, motor; 502, mounting screw; 503, mounting base; 504, mounting sleeve; 505, moving slot; 506, moving rod; 507, side plate; 508, threaded sleeve; 509, self-locking screw; 510, limit plate; 6, device under test; 7, interface. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terms used in the specification of this application are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "comprising" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0023] An embodiment of the present utility model provides a fixing device for testing an HDMI cable interface, as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the figure, it includes a support leg frame 1. A control console 2 is fixedly connected to the top of the support leg frame 1. A moving component 3 is arranged inside the control console 2, and an interface testing machine 4 is fixedly connected to the top of the moving component 3. A fixing component 5 is fixedly connected to the top of the control console 2, and a device under test 6 is placed on the top of the fixing component 5. An interface 7 is fixedly connected to one side of the device under test 6: The fixing component 5 includes a motor 501; the output shaft of the motor 501 is fixedly connected to an installation screw rod 502 through a coupling; and an installation seat 503 is threadedly connected to the outer wall of the installation screw rod 502; an installation sleeve 504 is fixedly connected inside the installation seat 503; the motor 501 and the installation seat 503 form a threaded structure through the installation screw rod 502, and one end of the installation screw rod 502 extends into the installation sleeve 504 inside the installation seat 503 for connection; strengthening the connection effect between the motor 501 and the installation screw rod 502, enabling the motor 501 to rotate in the installation sleeve 504 inside the installation seat 503 by relying on the installation screw rod 502; a moving groove 505 is opened inside the installation seat 503; and a moving rod 506 is slidably connected inside the moving groove 505; the installation seat 503 and the moving rod 506 form a sliding structure through the moving groove 505, and the number of the moving rods 506 is two, and the two moving rods 506 are symmetrically arranged with the vertical bisector of the installation seat 503 as the axis of symmetry; strengthening the connection effect between the installation seat 503 and the moving rod 506, enabling the installation seat 503 to slide along the outer wall of the moving rod 506 by relying on the moving groove 505, facilitating the need for position adjustment and movement of the installation seat 503; a side plate 507 is fixedly connected to the top of the installation seat 503; and a threaded sleeve 508 is fixedly connected inside the side plate 507;The internal thread of the threaded sleeve 508 is connected with a self-locking screw 509. One end of the self-locking screw 509 is rotatably connected with a limiting plate 510. The side plate 507 and the self-locking screw 509 form a threaded structure through the threaded sleeve 508. The inner diameter of the threaded sleeve 508 matches the outer diameter of the self-locking screw 509. One end of the self-locking screw 509 extends into the threaded sleeve 508 for connection, strengthening the connection effect between the side plate 507 and the threaded sleeve 508, enabling the self-locking screw 509 to rotate and extend within the threaded sleeve 508, and enabling the self-locking screw 509 to push the limiting plate 510 to move to clamp and limit the interface testing machine 4. By placing the device under test 6 on the mounting base 503 and rotating the self-locking screws 509 on both sides, the self-locking screw 509 can rotate within the threaded sleeve 508 in the side plate 507, enabling the self-locking screw 509 to push the limiting plate 510 to clamp and limit the device under test 6. In addition, after installation, when detecting the interface 7 as needed, by starting the motor 501, the motor 501 can rotate within the mounting sleeve 504 in the mounting base 503 by relying on the mounting screw 502, enabling the mounting base 503 to slide along the moving rod 506 by relying on the moving groove 505, thereby achieving position adjustment of the device under test 6 and meeting the need for testing different-position interfaces 7 on the device under test 6.;

[0024] In a further preferred embodiment of the present utility model, as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the figure, the moving component 3 includes a first cylinder 301. One end of the first cylinder 301 is fixedly connected to a moving plate 302. The operating table 2 and the moving plate 302 form a telescopic structure through the first cylinder 301. One end of the first cylinder 301 extends into the operating table 2 and is connected to one end of the moving plate 302, strengthening the connection effect between the operating table 2 and the first cylinder 301. This enables the first cylinder 301 to push the moving plate 302 to move relying on the operating table 2, and enables the moving plate 302 to drive the interface testing machine 4 to move. Inside the moving plate 302, there is a fixedly connected second cylinder 303. On the top of the moving plate 302, there is a fixedly connected vertical rod 304. On the top of the second cylinder 303, there is a fixedly connected mounting plate 305. The moving plate 302 and the mounting plate 305 form a telescopic structure through the second cylinder 303, and the second cylinder 303 is arranged between the moving plate 302 and the mounting plate 305, strengthening the connection effect between the moving plate 302 and the second cylinder 303. This enables the second cylinder 303 to drive the mounting plate 305 to move downward or upward relying on the moving plate 302, facilitating the height adjustment requirement of the interface testing machine 4. Inside the mounting plate 305, there is a fixedly connected sliding sleeve 306. The mounting plate 305 and the vertical rod 304 form a sliding structure through the sliding sleeve 306. The inner diameter of the sliding sleeve 306 is matched with the outer diameter of the vertical rod 304, and the outer wall of the vertical rod 304 is in contact with the inner wall of the sliding sleeve 306, strengthening the connection effect between the mounting plate 305 and the sliding sleeve 306. This enables the mounting plate 305 to slide stably relying on the sliding sleeve 306 and the outer wall of the vertical rod 304. By starting the first cylinder 301, it can drive the moving plate 302 to move relying on the operating table 2, enabling the moving plate 302 to drive the interface testing machine 4 on the top to be docked and detected with the interface 7. In addition, by starting the second cylinder 303 on the moving plate 302, the second cylinder 303 can push the interface testing machine 4 to move, enabling the mounting plate 305 to move upward or downward along the outer wall of the vertical rod 304 relying on the sliding sleeve 306, thereby meeting the need for fine-tuning the interface testing machine 4 up and down, improving the practicality of the testing device.

[0025] Working principle: The support leg frame 1 can be used to support and limit the operation table 2 and also support the fixing device for testing. In addition, by placing the device under test 6 on the mounting base 503 and rotating the self-locking screws 509 on both sides, the self-locking screws 509 can rotate within the threaded sleeves 508 in the side plates 507, enabling the self-locking screws 509 to push the limit plate 510 to clamp and limit the device under test 6. After installation, when it is necessary to detect the interface 7 as required, by starting the motor 501, the motor 501 can rotate within the mounting sleeve 504 in the mounting base 503 by relying on the mounting screw 502, causing the mounting base 503 to slide along the moving rod 506 by relying on the moving groove 505, thereby achieving position adjustment of the device under test 6 and meeting the need to test different-position interfaces 7 on the device under test 6. In addition, by starting the first cylinder 301, the operation table 2 can drive the moving plate 302 to move, enabling the moving plate 302 to drive the interface testing machine 4 on the top to dock and detect with the interface 7. In addition, by starting the second cylinder 303 on the moving plate 302, the second cylinder 303 can push the interface testing machine 4 to move, causing the mounting plate 305 to move up or down along the outer wall of the vertical rod 304 by relying on the sliding sleeve 306, thereby achieving the need for vertical fine-tuning of the interface testing machine 4 and improving the practicability of the testing device.

[0026] It should be noted that the above is the working process of the entire device, and the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixing device for testing an HDMI cable interface, comprising a support leg frame (1), characterized in that: The top of the support leg frame (1) is fixedly connected with an operation table (2). A moving component (3) is arranged inside the operation table (2), and the top of the moving component (3) is fixedly connected with an interface testing machine (4). The top of the operation table (2) is fixedly connected with a fixing component (5), and a device under test (6) is placed on the top of the fixing component (5). One side of the device under test (6) is fixedly connected with an interface (7): The fixing component (5) includes a motor (501); the output shaft of the motor (501) is fixedly connected with an installation screw rod (502) through a coupling; the outer wall of the installation screw rod (502) is threadedly connected with an installation seat (503); an installation sleeve (504) is fixedly connected inside the installation seat (503); a moving groove (505) is formed inside the installation seat (503); a moving rod (506) is slidably connected inside the moving groove (505); a side plate (507) is fixedly connected to the top of the installation seat (503); and a threaded sleeve (508) is fixedly connected inside the side plate (507).

2. The fixing device for HDMI cable interface testing according to claim 1, wherein: The moving component (3) includes a first air cylinder (301). One end of the first air cylinder (301) is fixedly connected with a moving plate (302). A second air cylinder (303) is fixedly connected inside the moving plate (302). A vertical rod (304) is fixedly connected to the top of the moving plate (302). The top of the second air cylinder (303) is fixedly connected with a mounting plate (305), and a sliding sleeve (306) is fixedly connected inside the mounting plate (305). The mounting plate (305) and the vertical rod (304) form a sliding structure through the sliding sleeve (306). The inner diameter dimension of the sliding sleeve (306) matches the outer diameter dimension of the vertical rod (304), and the outer wall of the vertical rod (304) is in contact with the inner wall of the sliding sleeve (306).

3. The fixing device for testing the HDMI cable interface according to claim 2, characterized in that: The operation table (2) and the moving plate (302) form a telescopic structure through the first air cylinder (301), and one end of the first air cylinder (301) extends into the operation table (2) and is connected to one end of the moving plate (302).

4. The fixing device for HDMI cable interface testing according to claim 2, wherein: The moving plate (302) and the mounting plate (305) form a telescopic structure through the second air cylinder (303), and the second air cylinder (303) is arranged between the moving plate (302) and the mounting plate (305).

5. The fixed device for HDMI cable interface testing according to claim 1, characterized in that: The motor (501) and the installation seat (503) form a threaded structure through the installation screw rod (502), and one end of the installation screw rod (502) extends into the installation sleeve (504) inside the installation seat (503) for connection.

6. The fixing device for testing the HDMI cable interface according to claim 1, characterized in that: The installation seat (503) and the moving rod (506) form a sliding structure through the moving groove (505). The number of the moving rods (506) is two, and the two moving rods (506) are symmetrically arranged with the vertical bisector of the installation seat (503) as the axis of symmetry.

7. The fixing device for testing the HDMI cable interface according to claim 1, characterized in that: The internal thread of the threaded sleeve (508) is connected with a self-locking screw rod (509). One end of the self-locking screw rod (509) is rotatably connected with a limiting plate (510). The side plate (507) and the self-locking screw rod (509) form a threaded structure through the threaded sleeve (508). The inner diameter of the threaded sleeve (508) matches the outer diameter of the self-locking screw rod (509). One end of the self-locking screw rod (509) extends into the threaded sleeve (508) for connection.

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