Function test fixture for network television box interface test
By designing a functional test fixture containing a top seat and a clamping structure, the clamping problem in the prior art is solved, which is difficult to adapt to the clamping of TV box workpieces in different sizes, and realizes convenient and safe clamping fixation and test position adjustment, reducing the correctness and The material of the TV box is damaged and provides dustproof function.
Patent Information
- Application Number
- CN202421111481.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The functional test fixtures for existing network TV box interface tests are difficult to adapt to different sizes of TV box workpieces when clamping and fixing. The operation is complicated and the clamping force is too large, which can easily cause scratches or breaks of the plastic plate on the side of the TV box.
A functional test fixture including a base and a top is designed. The front end of the top seat is equipped with a clamping structure for convenient and safe clamping and fixing. The clamping structure consists of a mounting cylinder, a clamping seat, a clamping plate, a bidirectional lead screw, a pad, and a top. The groove, rotary handle, threaded sleeve, push rod, compression spring, limit plate and through hole are composed of. Through the cooperation of the bidirectional lead screw and threaded sleeve, the inner movement and elastic fixation of the clamp are achieved, adapting to TV box workpieces of different sizes.
It realizes convenient and safe clamping and fixing of the workpiece of the network TV box, reduces damage to the plastic material plate on the side of the TV box, and allows adjustment of the test position to facilitate external dust protection.
Smart Images

Figure CN222449986U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of production and processing of network motor boxes, in particular to a functional testing fixture for network TV box interface testing. Background Art
[0002] The network motor box can also be called a TV box. It is a device that can connect a TV to the Internet. After the TV is connected to the Internet through the network TV box, it can not only watch network TV programs, but also play them on demand online. It is an essential smart multimedia terminal in smart homes. During the production and processing of network TV boxes, in order to ensure the quality of the plug interface function on the TV box, a plug-in test will be carried out. Before the plug-in test, a test fixture is needed to clamp and fix the test TV box workpiece.
[0003] However, when the functional test fixture of the network TV box interface test is used to clamp and fix the TV box workpiece before testing, the fixture assembly can generally only be used to clamp and fix some TV box workpieces of fixed sizes. When clamping and using some TV box workpieces of different sizes, it is necessary to replace and install corresponding adapter fixtures for clamping and using them. The operation process is very cumbersome, and when the fixture assembly is used to clamp and fix the processed TV box workpiece, the two sides of the TV box are mostly hard clamped. When the clamping force is too large, it is very easy to cause scratches or even breaks on the plastic material plate on the side of the TV box. There are deficiencies, which are not convenient for convenient and safe clamping and fixing of the network TV box workpiece.
[0004] Now, a novel functional test fixture for network TV box interface testing is proposed to solve the above-mentioned shortcomings. Utility Model Content
[0005] The utility model aims to provide a functional test fixture for testing the interface of a network TV box, so as to solve the problem in the above-mentioned background technology that it is not convenient to conveniently and safely clamp and fix the workpiece of the network TV box.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a functional test fixture for testing an interface of a network TV box, comprising a base and a top seat, the front end of the base is provided with a top seat, and the front end of the top seat is provided with a clamping structure for conveniently and safely clamping and fixing a TV box workpiece;
[0007] The cam is provided with a clamping seat at the two ends of the front end, and a clamping plate is provided on the right side of the clamping seat. The interior of the front end of the top seat is laterally movably connected with the two-way screw, and the two sides of the outside of the two-way screw are respectively threadedly connected with the first threaded sleeve. The interior of the front end of the top seat is provided with a top groove, the right side of the two-way screw passes through the right side of the top seat and is fixed with the turning handle. The two ends of the left side of the clamping seat are respectively fixed with the mounting cylinder, the two ends of the left side of the clamping plate are respectively welded and fixed with the push rod, the two ends of the right side of the clamping seat are respectively provided with through holes, the left side of the push rod respectively passes through the through hole and the interior of the mounting cylinder, the left side of the outside of the push rod is fixed with a limiting plate, the interior of the mounting cylinder is provided with a compression spring, and the right side of the clamping plate is pasted and fixed with a pad.
[0008] Furthermore, the front end of the first threaded sleeve passes through the interior of the top groove and is installed and fixed between the rear end of the clamping seat.
[0009] Furthermore, the push rod passes through the interior of the compression spring, the right side of the compression spring is welded and fixed to the left side of the limiting plate, and the left side of the compression spring is welded and fixed to the left side of the interior of the mounting tube.
[0010] Preferably, an inner groove is opened in the middle position of the front end of the base, and the inner part of the inner groove is vertically movably connected with a one-way screw, and the external thread of the one-way screw is connected with a second threaded sleeve, the front end of the second threaded sleeve passes through the front end of the inner groove and is fixedly connected to the rear end of the top seat, and the front end of the one-way screw passes through the front end of the base and is fixedly installed with a handle.
[0011] Furthermore, guide blocks are respectively installed and fixed on both sides of the rear end of the top seat, and guide grooves are respectively opened inside the two sides of the front end of the base.
[0012] Preferably, an outer cover is provided at the front end of the outside of the top seat, and insert strips are laterally installed and fixed at the rear ends of the top and bottom of the outer cover, and slots are respectively opened inside the top and bottom ends of the top seat, and both sides of the slots pass through both sides of the top seat.
[0013] Furthermore, the inserting strip passes through the interior of the slot.
[0014] Preferably, mounting plates are respectively welded and fixed to the rear ends of both sides of the base, and mounting grooves are provided through the interior of the mounting plates.
[0015] Compared with the prior art, the utility model has the following beneficial effects: the functional test fixture for the network TV box interface test not only realizes convenient and safe clamping and fixing of the network TV box workpiece, realizes convenient adjustment of the test position of the TV box workpiece after clamping, but also realizes convenient dust prevention of the outside of the test fixture;
[0016] The cam is provided with a top seat, a mounting tube, a clamping seat, a clamping plate, a gasket, a two-way lead screw, a top groove, a rotating handle, a first threaded sleeve, a second threaded sleeve, a one-way lead screw and an inner groove. When the TV box workpiece is clamped and used, the workpiece is placed at the front end of the top seat, and then the rotating handle can be rotated on the right side of the top seat to drive the two-way lead screw to rotate. The rotation of the two-way lead screw can simultaneously use the first threaded sleeve connected with the external thread to drive the two sets of clamping seats and the clamping plates to move inward at the same time. The TV box workpiece can be quickly clamped and fixed at the front end of the top seat through the two sets of clamping plates on the left and right sides. At the same time, when the rotating handle is rotated to drive the two sets of clamping plates to clamp the two sides of the workpiece, after the clamping plates contact and abut against the side surfaces of the workpiece, when the rotating handle is continued to be rotated to apply pressure to the clamping plates, the set clamping plates will push the push rod outward in the opposite direction and compress the compression spring to elastically fix the workpiece at the front end of the top seat, thereby reducing the damage to the TV box workpiece caused during clamping, and conveniently and safely clamping and fixing the network TV box workpiece;
[0017] By providing a base, a top seat, a handle, a guide groove, a guide block, a second threaded sleeve, a one-way screw and an inner groove, after the workpiece is fixed on the fixture, the one-way screw can be driven to rotate by rotating the handle at the front end of the base, and while the one-way screw rotates, the top seat can be driven to move forward or backward at the front end of the base by the second threaded sleeve connected by thread. When the socket on the TV box workpiece is plugged in and tested, the position distance between the external active test plug and the socket on the workpiece can be adjusted and compensated, so as to facilitate the adjustment of the test position of the TV box workpiece after clamping;
[0018] By providing a top seat, an outer cover, an insert and a slot, after the use of the clamp, the inserts fixed at the top and bottom ends of the outer cover can be inserted to the right into the slots on the left side of the top seat, and then the outer cover can be installed on the outside of the top seat. The outer cover can be used to cover the outside of the top seat of the clamping table for dust protection. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0020] Figure 2 It is a schematic diagram of a partial cross-section of the top seat of the utility model when viewed from above;
[0021] Figure 3 For this utility model Figure 2 A is an enlarged structural diagram;
[0022] Figure 4 It is a schematic diagram of an enlarged side view of the outer cover of the utility model.
[0023] In the figure: 1. mounting plate; 2. base; 3. top seat; 4. mounting tube; 5. clamping seat; 6. clamping plate; 7. bidirectional screw; 8. mounting groove; 9. handle; 10. gasket; 11. top groove; 12. turning handle; 13. guide groove; 14. guide block; 15. second threaded sleeve; 16. one-way screw; 17. inner groove; 18. first threaded sleeve; 19. push rod; 20. compression spring; 21. limit plate; 22. through hole; 23. outer cover; 24. insert; 25. slot. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Example 1: Please refer to Figure 1-4 A functional test fixture for testing an interface of a network TV box comprises a base 2 and a top seat 3. The top seat 3 is arranged at the front end of the base 2. The front end of the top seat 3 is provided with a clamping structure for conveniently and safely clamping and fixing a TV box workpiece;
[0026] The clamping structure includes a mounting tube 4, a clamping seat 5, a clamping plate 6, a bidirectional lead screw 7, a gasket 10, a top groove 11, a rotating handle 12, a first threaded sleeve 18, a push rod 19, a compression spring 20, a limit plate 21 and a through hole 22. The clamping seat 5 is respectively arranged on both sides of the front end of the top seat 3, and the clamping plate 6 is arranged on the right side of the clamping seat 5. The front end of the top seat 3 is laterally movably connected to the bidirectional lead screw 7, and the first threaded sleeve 18 is respectively threadedly connected to the two sides of the outside of the bidirectional lead screw 7. The front end of the top seat 3 is provided with a top groove. 11, the right side of the bidirectional lead screw 7 passes through the right side of the top seat 3 and is fixed with a rotating handle 12, the two ends of the left side of the clamp seat 5 are respectively fixed with mounting tubes 4, the two ends of the left side of the clamp plate 6 are respectively welded with push rods 19, the two ends of the right side of the clamp seat 5 are respectively provided with through holes 22, the left side of the push rod 19 passes through the through hole 22 and the inside of the mounting tube 4, the left side of the push rod 19 is fixed with a limit plate 21, the inside of the mounting tube 4 is provided with a compression spring 20, and the right side of the clamp plate 6 is pasted with a gasket 10;
[0027] The front end of the first threaded sleeve 18 passes through the interior of the top groove 11 and is fixedly mounted between the rear end of the clamp seat 5, the push rod 19 passes through the interior of the compression spring 20, the right side of the compression spring 20 is fixedly welded to the left side of the limit plate 21, and the left side of the compression spring 20 is fixedly welded to the left side of the interior of the installation tube 4;
[0028] Specifically, Figure 1-Figure 3 As shown, after the workpiece is placed at the front end of the top seat 3, the handle 12 can be rotated on the right side of the top seat 3 to drive the two-way screw 7 to rotate. The rotation of the two-way screw 7 can use the first threaded sleeve 18 connected with the external thread to drive the two groups of clamping seats 5 and the clamping plates 6 to move inward at the same time. The two groups of clamping plates 6 on the left and right sides can quickly clamp the TV box workpiece at the front end of the top seat 3. At the same time, when the handle 12 is rotated to drive the two groups of clamping plates 6 to clamp the two sides of the workpiece, after the clamping plates 6 contact and abut against the side of the workpiece, the handle 12 continues to be rotated to apply pressure to the clamping plates 6. The set clamping plates 6 will push the push rod 19 outward in the opposite direction and compress the compression spring 20, so as to elastically fix the workpiece at the front end of the top seat 3, thereby reducing the damage to the TV box workpiece caused during clamping. The set pad 10 is made of silicone material, which can further protect the workpiece during clamping.
[0029] Embodiment 2: An inner groove 17 is provided at the middle position of the front end of the base 2, and a one-way screw 16 is vertically movably connected inside the inner groove 17, and a second threaded sleeve 15 is threadedly connected to the outside of the one-way screw 16, the front end of the second threaded sleeve 15 passes through the front end of the inner groove 17 and is fixedly connected to the rear end of the top seat 3, the front end of the one-way screw 16 passes through the front end of the base 2 and is fixedly installed with a handle 9, guide blocks 14 are respectively installed and fixed on both sides of the rear end of the top seat 3, and guide grooves 13 are respectively provided inside both sides of the front end of the base 2;
[0030] Specifically, Figure 1 and Figure 2 As shown, after the workpiece is fixed on the fixture, the one-way screw 16 can be driven to rotate by rotating the handle 9 at the front end of the base 2. While the one-way screw 16 rotates, the second threaded sleeve 15 connected by a thread can be used to drive the top seat 3 to move forward or backward at the front end of the base 2. When the socket on the TV box workpiece is plugged in and tested, the position distance between the external active test plug and the socket on the workpiece can be adjusted and compensated.
[0031] Embodiment 3: An outer cover 23 is provided at the front end of the top seat 3, and insert strips 24 are transversely fixed at the rear ends of the top and bottom of the outer cover 23, respectively. Slots 25 are respectively provided inside the top and bottom ends of the top seat 3, and the two sides of the slots 25 respectively penetrate the two sides of the top seat 3, and the insert strips 24 penetrate the inside of the slots 25;
[0032] Specifically, Figure 1 and Figure 4 As shown, on the left side of the top seat 3, the insert strips 24 fixed at the top and bottom ends of the outer cover 23 can be inserted to the right into the slots 25 respectively, and then the outer cover 23 can be plugged and installed on the outside of the top seat 3. The outer cover 23 can be provided to cover the outside of the clamping table top seat 3 for dust protection when not in use.
[0033] The rear ends of both sides of the base 2 are respectively welded and fixed with mounting plates 1 , and mounting grooves 8 are provided through the inside of the mounting plates 1 .
[0034] Working principle: When the utility model is used to clamp the TV box workpiece, after placing the workpiece at the front end of the top seat 3, the handle 12 can be rotated on the right side of the top seat 3 to drive the bidirectional lead screw 7 to rotate. The rotation of the bidirectional lead screw 7 can simultaneously use the first threaded sleeve 18 connected with the external thread to drive the two groups of clamping seats 5 and the clamping plates 6 to move inward at the same time. The TV box workpiece can be quickly clamped and fixed at the front end of the top seat 3 through the two groups of clamping plates 6 on the left and right sides. At the same time, when the handle 12 is rotated to drive the two groups of clamping plates 6 to clamp the two sides of the workpiece, after the clamping plates 6 contact and abut against the side of the workpiece, when the handle 12 is continued to be rotated to apply pressure to the clamping plates 6, the clamping plates 6 will push the push rod 19 outward in the opposite direction and compress the compression spring 20, thereby pressing the workpiece. The front end of the top seat 3 is elastically fixed, and after the workpiece is fixed on the fixture, the one-way screw 16 can be driven to rotate by turning the handle 9 at the front end of the base 2. While the one-way screw 16 rotates, the second threaded sleeve 15 connected by thread can be used to drive the top seat 3 to move forward or backward at the front end of the base 2. When the socket on the TV box workpiece is plugged in and tested, the position distance between the external active test plug and the socket on the workpiece can be adjusted and compensated. After the use of the fixture is over, the strips 24 fixed at the top and bottom ends of the outer cover 23 can be inserted to the right into the slots 25 on the left side of the top seat 3, and the outer cover 23 can be plugged and installed on the outside of the top seat 3, and the outside of the top seat 3 of the clamping table can be covered for dust protection.
[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A functional test fixture for testing an interface of a network TV box, comprising a base (2) and a top seat (3), characterized in that: A top seat (3) is provided at the front end of the base (2), and a clamping structure for conveniently and safely clamping and fixing a TV box workpiece is provided at the front end of the top seat (3); The clamping structure comprises a mounting tube (4), a clamping seat (5), a clamping plate (6), a bidirectional lead screw (7), a gasket (10), a top groove (11), a rotating handle (12), a first threaded sleeve (18), a push rod (19), a compression spring (20), a limit plate (21) and a through hole (22). The clamping seat (5) is respectively arranged on both sides of the front end of the top seat (3), and the clamping plate (6) is arranged on the right side of the clamping seat (5). The front end of the top seat (3) is laterally movably connected to the bidirectional lead screw (7), and the outside of the bidirectional lead screw (7) is respectively threadedly connected to the first threaded sleeve (18) on both sides. The front end of the top seat (3) is provided with a top groove (11). 1), the right side of the bidirectional lead screw (7) passes through the right side of the top seat (3) and is fixedly mounted with a rotating handle (12), the two ends of the left side of the clamp seat (5) are respectively fixedly mounted with a mounting tube (4), the two ends of the left side of the clamp plate (6) are respectively fixedly welded with a push rod (19), the two ends of the right side of the clamp seat (5) are respectively provided with a through hole (22), the left side of the push rod (19) passes through the through hole (22) and the inside of the mounting tube (4), the left side of the outside of the push rod (19) is fixed with a limiting plate (21), the inside of the mounting tube (4) is provided with a compression spring (20), and the right side of the clamp plate (6) is fixedly bonded with a gasket (10).
2. A functional test fixture for testing an interface of a network TV box according to claim 1, characterized in that: The front end of the first threaded sleeve (18) passes through the interior of the top groove (11) and is installed and fixed between the rear end of the clamping seat (5).
3. A functional test fixture for testing an interface of a network TV box according to claim 1, characterized in that: The push rod (19) passes through the interior of the compression spring (20); the right side of the compression spring (20) is welded and fixed to the left side of the limit plate (21); and the left side of the compression spring (20) is welded and fixed to the left side of the interior of the mounting cylinder (4).
4. The functional test fixture for testing the interface of a network TV box according to claim 1, characterized in that: An inner groove (17) is provided at the middle position of the front end of the base (2), and a one-way screw (16) is vertically movably connected inside the inner groove (17), and a second threaded sleeve (15) is externally threadedly connected to the one-way screw (16), the front end of the second threaded sleeve (15) passes through the front end of the inner groove (17) and is fixedly connected to the rear end of the top seat (3), and the front end of the one-way screw (16) passes through the front end of the base (2) and is fixedly mounted with a handle (9).
5. The functional test fixture for testing the interface of a network TV box according to claim 1, characterized in that: Guide blocks (14) are respectively fixedly mounted on both sides of the rear end of the top seat (3), and guide grooves (13) are respectively provided inside both sides of the front end of the base (2).
6. The functional test fixture for testing the interface of a network TV box according to claim 1, characterized in that: An outer cover (23) is provided at the front end of the outer seat (3), and insert strips (24) are transversely mounted and fixed at the rear ends of the top and bottom of the outer cover (23), and slots (25) are respectively provided inside the top and bottom ends of the top seat (3), and two sides of the slots (25) respectively penetrate two sides of the top seat (3).
7. A functional test fixture for testing the interface of a network TV box according to claim 6, characterized in that: The insert strip (24) passes through the interior of the slot (25).
8. The functional test fixture for testing the interface of a network TV box according to claim 1, characterized in that: The rear ends of both sides of the base (2) are respectively welded and fixed with mounting plates (1), and mounting grooves (8) are provided through the interior of the mounting plates (1).