Adjustable test fixture

Abstract

The utility model discloses an adjustable test fixture which comprises an operation table, a clamping assembly used for fixing a router is arranged at the top of one end of the operation table, and a rotating assembly used for rotating a router antenna so as to adjust a signal sending angle is arranged at the top of the operation table and located on one side of the clamping assembly. One end of the operating table is fixedly connected with an electric push rod, the other end of the operating table is fixedly connected with a fixed plate, the top of the fixed plate is slidably connected with a detection device, and a shielding cover is fixedly installed at the top of the operating table between the rotating assembly and the detection device. The rotation of the connecting shaft drives the fixed block to rotate, thereby achieving the precise control of the angle of the router antenna, and facilitating the testing of different antenna angles by a worker.

Description

Technical Field

[0001] This utility model relates to the field of router antenna test fixture technology, specifically an adjustable test fixture. Background Technology

[0002] As an energy conversion device, an antenna can convert high-frequency alternating current signals into electromagnetic waves that propagate in space. In the mass production process of WIFI antennas, each antenna produced needs to undergo quality inspection to ensure that its performance meets the design requirements.

[0003] Currently, Chinese patent CN217985105U discloses a bracket for testing the performance of a WIFI antenna, including a frame, a controller, a first bracket, a second bracket, and a clamping drive assembly. The frame includes a placement plate with a placement position at its center. The first bracket is slidably positioned on one side of the placement position and has a signal detector mounted on it. The second bracket is located on the other side of the placement position and has a shielding cover assembly slidably mounted on it. The clamping drive assembly includes a motor, a transmission screw, a connecting block, four connecting rods, and two sets of clamping components. The clamping components are mounted on the placement plate and include two opposing clamping blocks. The motor is mounted on the frame and connected to the transmission screw. The connecting block has an internal threaded hole that mates with the transmission screw. The four connecting rods correspond one-to-one with the four clamping blocks, and the two ends of the connecting rods are rotatably connected to the connecting blocks and clamping blocks, respectively. The controller is mounted on the frame and electrically connected to the motor. The entire WIFI antenna performance testing bracket has a novel, practical, and compact structure.

[0004] The aforementioned WIFI antenna performance testing bracket still has some problems in use. It can only test a single antenna angle. When other angles need to be tested, the staff needs to manually adjust the antenna angle, which increases the workload of the staff. Utility Model Content

[0005] The purpose of this invention is to provide an adjustable test fixture to solve the problem mentioned in the background art that can only test a single antenna angle, and when other angles need to be tested, the staff needs to manually adjust the antenna angle, which increases the workload of the staff.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An adjustable test fixture includes an operating table. A clamping component for fixing a router is provided at the top of one end of the operating table. A rotating component for rotating the router antenna to adjust the signal transmission angle is provided at the top of the operating table and on one side of the clamping component. A fixing plate is fixedly connected to the other end of the operating table. A detection device is slidably connected to the top of the fixing plate. A shielding cover is fixedly installed on the top of the operating table between the rotating component and the detection device.

[0008] The rotating assembly includes a connecting shaft rotatably connected to the inner cavity of a square hole. A fixing block is snapped onto the surface of the connecting shaft. A limiting component for limiting the router antenna is provided on the top of the fixing block. A connecting plate is fixedly sleeved on one end surface of the connecting shaft. One end of the connecting plate extends downward and has a sliding groove. An installation plate is fixedly installed on the bottom of the operating table. An electric push rod is fixedly connected to one side surface of the installation plate. A fixing post is fixedly connected to the telescopic end of the electric push rod. One end of the fixing post is inserted into the inner cavity of the sliding groove.

[0009] Preferably, the clamping assembly includes a square slot formed on the top of the operating table, a bidirectional lead screw rotatably connected to the inner cavity of the square slot, corresponding nut seats threaded to both ends of the bidirectional lead screw, a clamping plate fixedly connected to the top of both sets of nut seats, and a handwheel fixedly connected to one end of the bidirectional lead screw extending outward to the outer side of the operating table.

[0010] Preferably, the top of the fixing plate is provided with a sliding groove, the inner cavity of the sliding groove is slidably connected to a slider, the top of the slider is fixedly installed with a support rod, and the detection device is fixedly installed on the top of the support rod.

[0011] Preferably, the limiting component includes first clamping blocks respectively disposed on the top of both sides of the fixing block, a connecting ring fixedly connected to the top of each of the two sets of first clamping blocks, a fixing ring disposed on both sides of each of the two sets of connecting rings, the connecting ring and the fixing ring on the same side being connected together by a positioning pin, a second clamping block fixedly connected to the top of each of the fixing rings on the same side, a spring connected to the top of each of the two sets of first clamping blocks, and one top end of each of the two sets of springs respectively contacting the bottom of the corresponding side of the second clamping block.

[0012] Preferably, the top of each side of the fixing block is provided with a limiting groove, the inner cavity of each of the two sets of limiting grooves is slidably connected to a limiting block, and the top of each of the two sets of limiting blocks is fixedly connected to the bottom of the corresponding side first clamping block.

[0013] Preferably, the top of one side of the fixing plate is provided with a scale line, and the surface of the slider is provided with a pointer for pointing to the scale line.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model, through the setting of the rotating component, allows the electric push rod to push the fixed column to move within the sliding groove of the connecting plate, thereby driving the connecting shaft to rotate. The rotation of the connecting shaft causes the fixed block to rotate, thus achieving precise control of the router antenna angle, which facilitates the staff to test different antenna angles.

[0016] 2. By setting a limiting component, this utility model can effectively prevent the antenna from detaching from the fixed block during the rotation of the router antenna, ensuring that the antenna remains stable at different angles and guaranteeing the stability of signal transmission.

[0017] 3. By setting up a limiting groove and a limiting block, this utility model allows the operator to manually move the first clamping block according to the spacing of the router antennas when it is necessary to clamp different models of routers, so that the limiting block can slide to the appropriate position in the limiting groove, thereby improving the applicability of the device. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the adjustable test fixture of this utility model;

[0019] Figure 2 This is a structural schematic diagram of the adjustable test fixture of this utility model from another perspective;

[0020] Figure 3 This is a schematic diagram of the structure of the bidirectional lead screw of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the spring of this utility model.

[0022] In the diagram: 100, operating table; 101, square groove; 102, square hole; 103, shielding cover; 104, detection device; 105, support rod; 106, slider; 107, pointer; 108, scale line; 109, slide groove; 110, fixing plate; 111, controller; 200, clamping plate; 201, double-acting screw; 202, handwheel; 203, nut seat; 300, fixing block; 301, connecting shaft; 302, limit block; 303, limit groove; 304, first clamping block; 305, spring; 306, second clamping block; 307, fixing ring; 308, positioning pin; 309, connecting ring; 400, mounting plate; 401, electric push rod; 402, fixing column; 403, connecting plate; 404, sliding groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4 This embodiment provides an adjustable test fixture, including an operating table 100. A clamping component for fixing a router is provided at the top of one end of the operating table 100. A rotating component for rotating the router antenna to adjust the signal transmission angle is provided at the top of the operating table 100 and on one side of the clamping component. A fixing plate 110 is fixedly connected to the other end of the operating table 100. A detection device 104 is slidably connected to the top of the fixing plate 110. A shielding cover 103 is fixedly installed on the top of the operating table 100 between the rotating component and the detection device 104. A controller 111 for controlling the rotating component is provided on the surface of the operating table 100.

[0025] The rotating assembly includes a connecting shaft 301 rotatably connected to the inner cavity of the square hole 102. A fixing block 300 is snapped onto the surface of the connecting shaft 301. A limiting component for limiting the router antenna is provided on the top of the fixing block 300. A connecting plate 403 is fixedly sleeved on one end surface of the connecting shaft 301. One end of the connecting plate 403 extends downward and has a sliding groove 404. An mounting plate 400 is fixedly installed on the bottom of the operating table 100. An electric push rod 401 is fixedly connected to one side surface of the mounting plate 400. A fixing post 402 is fixedly connected to the telescopic end of the electric push rod 401. One end of the fixing post 402 is inserted into the inner cavity of the sliding groove 404. Through the setting of the rotating assembly, the electric push rod 401 pushes the fixing post 402 to move within the sliding groove 404 of the connecting plate 403, thereby driving the connecting shaft 301 to rotate. The rotation of the connecting shaft 301 drives the fixing block 300 to rotate, thereby realizing precise control of the router antenna angle, which facilitates the staff to test different antenna angles.

[0026] The detection device 104 is the signal detector disclosed in the referenced document CN217985105U patent, and its structure and principle will not be described in detail here.

[0027] It is worth noting that the electric actuator 401 is a stepper electric actuator 401, and the controller 111 is an ultra-miniature PLC controller 111 of model S7-200. By precisely controlling the number of pulses sent to the motor in the stepper electric actuator 401, the rotation angle of the motor can be controlled, thereby controlling the extension stroke of the electric actuator 401.

[0028] Furthermore, the clamping assembly includes a square slot 101 formed on the top of the operating table 100. A bidirectional lead screw 201 is rotatably connected to the inner cavity of the square slot 101. Corresponding nut seats 203 are threaded to both ends of the bidirectional lead screw 201. Clamping plates 200 are fixedly connected to the top of both sets of nut seats 203. One end of the bidirectional lead screw 201 extends outward to the outer side of the operating table 100 and is fixedly connected to a handwheel 202. Through the setting of the clamping assembly, routers of different sizes can be adapted. Clamping and releasing operations can be easily achieved by turning the handwheel 202, providing stable fixation of the router on the operating table 100, ensuring that the router will not move during antenna angle adjustment and signal detection, and ensuring the stability and accuracy of operation.

[0029] Furthermore, the top of the fixing plate 110 is provided with a sliding groove 109, and a slider 106 is slidably connected to the inner cavity of the sliding groove 109. A support rod 105 is fixedly installed on the top of the slider 106, and the detection device 104 is fixedly installed on the top of the support rod 105. Through the setting of the sliding groove 109 and the slider 106, the detection device 104 can move flexibly in the horizontal direction and can detect the router signal at different positions, thereby more comprehensively evaluating the signal coverage of the router.

[0030] Preferably, the limiting component includes first clamping blocks 304 respectively disposed on the top of both sides of the fixing block 300. A connecting ring 309 is fixedly connected to the top of each of the two sets of first clamping blocks 304. A fixing ring 307 is disposed on both sides of each of the two sets of connecting rings 309. The connecting ring 309 and the fixing ring 307 on the same side are connected together by a positioning pin 308. A second clamping block 306 is fixedly connected to the top of each of the fixing rings 307 on the same side. A spring 305 is connected to the top of each of the two sets of first clamping blocks 304. One end of the top of each of the two sets of springs 305 contacts the bottom of the corresponding second clamping block 306. By setting the limiting component, the limiting component can effectively prevent the antenna from detaching from the fixing block 300 during the rotation of the router antenna, ensuring that the antenna remains stable at different angles and guaranteeing the stability of signal transmission.

[0031] It is worth noting that limiting grooves 303 are respectively opened on the top of both sides of the fixing block 300. The inner cavity of the two sets of limiting grooves 303 is slidably connected to limiting blocks 302. The top of the two sets of limiting blocks 302 is respectively fixedly connected to the bottom of the corresponding side first clamping block 304. Through the setting of limiting grooves 303 and limiting blocks 302, when different models of routers need to be clamped, the operator only needs to manually move the first clamping block 304 according to the spacing of the router antennas, so that the limiting block 302 can slide to the appropriate position in the limiting groove 303, thereby improving the applicability of the device.

[0032] Furthermore, a scale line 108 is provided on the top of one side of the fixed plate 110, and a pointer 107 is provided on the surface of the slider 106 to point to the scale line 108. Through the setting of the pointer 107 and the scale line 108, when moving the detection device 104, the operator can intuitively understand the position of the detection device 104 through the pointer 107 and the scale line 108, which is convenient for operation and adjustment. At the same time, during the test, data at different positions can be accurately recorded, which is convenient for subsequent data analysis and processing.

[0033] Working principle;

[0034] First, take out the router to be tested and place it between the two sets of clamping plates 200. Then, simultaneously move the two sets of limiting components to the positions corresponding to the antennas on both sides of the router. At this time, press the second clamping block 306 to increase the distance between the first clamping block 304 and the second clamping block 306, and place the root of the antenna between the first clamping block 304 and the second clamping block 306. Then, release the second clamping block 306 to clamp the antenna. Clamp the other set of antennas according to the above steps. Then move the testing device 104 to the required distance. At this time, turn the handwheel 20. 2. The bidirectional lead screw 201 is driven to rotate, thereby causing the two sets of nut seats 203 to move inward simultaneously. Then, the two sets of clamping plates 200 clamp the router body. Subsequently, the controller 111 controls the extension end of the electric push rod 401 to extend, thereby causing the fixed column 402 to move along the sliding groove 404. At the same time, through the transmission of the connecting plate 403, one end of the fixed block 300 rotates upward along the connecting shaft 301. Thus, one end of the fixed block 300 rotates upward and adjusts the angle of the antenna, thereby enabling the testing of various angles of the antenna.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable test fixture, characterized by, The utility model provides an operating platform (100) one end top is provided with the clamping assembly for fixing router, the top of operating platform (100) and located clamping assembly one side is provided with the rotation assembly for rotating router antenna to adjust signal transmission angle, the other end of operating platform (100) is fixedly connected with fixed plate (110), the top of fixed plate (110) is slidably connected with detection device (104), the top of operating platform (100) between rotation assembly and detection device (104) is fixedly installed shielding case (103), The rotation assembly includes a connecting shaft (301) rotatably connected to the inner cavity of the square hole (102), the surface of the connecting shaft (301) is connected with a fixed block (300), the top of the fixed block (300) is provided with a limiting assembly for limiting the router antenna, one end of the connecting shaft (301) is fixedly sleeved with a connecting plate (403), one end of the connecting plate (403) extends downward and is provided with a sliding groove (404), the bottom of the operating platform (100) is fixedly installed with a mounting plate (400), one side surface of the mounting plate (400) is fixedly connected with an electric push rod (401), the telescopic end of the electric push rod (401) is fixedly connected with a fixed column (402), one end of the fixed column (402) is inserted into the inner cavity of the sliding groove (404). The clamping assembly includes a square groove (101) formed in the top of the operating platform (100), the inner cavity of the square groove (101) is rotatably connected with a bidirectional screw (201), the two ends of the bidirectional screw (201) are respectively threadedly connected with corresponding nut seats (203), the top of each of the two nut seats (203) is fixedly connected with a clamping plate (200), one end of the bidirectional screw (201) extends outward to the outside of the operating platform (100) and is fixedly connected with a hand wheel (202). The limiting assembly includes first clamping blocks (304) respectively arranged on the top of the two sides of the fixed block (300), the top of each of the two first clamping blocks (304) is fixedly connected with a connecting ring (309), the two sides of each of the two connecting rings (309) is provided with a fixed ring (307), the connecting ring (309) and the fixed ring (307) on the same side are pinned together through a positioning pin (308), the top of each of the fixed rings (307) on the same side is fixedly connected with a second clamping block (306), the top of each of the two first clamping blocks (304) is connected with a spring (305), one end of the top of each of the two springs (305) respectively contacts the bottom of the corresponding side second clamping block (306).

2. An adjustable test fixture according to claim 1, wherein: The top of the fixed plate (110) is provided with a sliding groove (109), the inner cavity of the sliding groove (109) is slidably connected with a sliding block (106), the top of the sliding block (106) is fixedly installed with a supporting rod (105), and the detection device (104) is fixedly installed on the top of the supporting rod (105).

3. An adjustable test fixture according to claim 2, wherein: Two sides of the fixed block (300) are respectively provided with a limiting groove (303), and the inner cavities of the two groups of limiting grooves (303) are slidably connected with a limiting block (302), and the top of the two groups of limiting blocks (302) is respectively fixedly connected with the bottom of the corresponding side first clamping block (304).

4. An adjustable test fixture according to claim 3, wherein: The fixed plate (110) is provided with a scale line (108) on one side of the top, and the surface of the sliding block (106) is provided with a pointer (107) for pointing to the scale line (108).

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