Testing device for optical line terminal

Abstract

The utility model relates to the technical field of optical line terminals, and discloses an optical line terminal testing device which comprises a device body, a fixing assembly installed on the outer side of the device body, a supporting assembly installed at the bottom of the fixing assembly, a fixing rod fixedly connected to the top of a base, and a supporting rod movably connected to the inner side of the fixing rod in a sleeved mode. A fixing groove is formed in the front face of the inner side of the fixing rod, the inner side of the supporting rod is movably sleeved with a cylindrical rod, the left side and the right side of the outer side of the cylindrical rod are fixedly sleeved with a first cylindrical gear and a second cylindrical gear correspondingly, and a telescopic rack is arranged at the bottom of the inner side of the supporting rod; the front face of the inner side of the supporting rod is movably sleeved with a long-strip-shaped rod, the top of the front face of the long-strip-shaped rod is fixedly connected with a fixing block, by arranging the supporting assembly, the height of the fixing assembly can be adjusted to the height matched with the height of a testee, and operation and observation of the testee are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of optical line terminals, and more particularly to a testing device for optical line terminals. Background Art

[0002] An optical line terminal (OLT) is a device used in fiber-optic communications, typically delivering data, video, and voice signals to users' homes or businesses. The OLT is a device used to transmit and receive optical signals. It connects to the core of the fiber-optic network and is responsible for transmitting data to the ONU or ONT at the user end.

[0003] The test equipment of the optical line terminal usually includes the following functions: measuring the optical power level in the optical fiber transmission and detecting the intensity and attenuation of the optical signal; generating standardized optical signals for testing the transmission performance and loss of the optical fiber; testing and diagnosing events, loss, connection quality, breakpoints and bends in the optical fiber to help locate and diagnose optical fiber faults; optical fiber connectors are used to connect optical fibers for testing to ensure the transmission quality of the test signals.

[0004] During the test process of the existing test device, the tester generally holds the device in one hand and uses the other hand to test various test points on the optical line terminal using the test line, which is very inconvenient. Alternatively, the device is placed on the top or inside the terminal, but this placement is very unstable. During the test, the device is easily pulled by the test line and falls, and the placement position is difficult to adapt to the tester's height, making it inconvenient for the tester to observe the test results on the device. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a testing device for an optical line terminal to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a test device for an optical line terminal, comprising a device body, a fixing assembly being installed on the outer side of the device body, and a supporting assembly being installed on the bottom of the fixing assembly;

[0007] The support assembly also includes a base, the top of the base is fixedly connected to a fixing rod, the inner side of the fixing rod is movably sleeved with a support rod, a fixing groove is provided on the front side of the inner side of the fixing rod, the inner side of the support rod is movably sleeved with a cylindrical rod, the left and right sides of the outer side of the cylindrical rod are respectively fixedly sleeved with a first cylindrical gear and a second cylindrical gear, a telescopic rack is provided at the bottom of the inner side of the support rod, a latch rod is fixedly connected to the front side of the telescopic rack, a long rod is movably sleeved on the front side of the inner side of the support rod, and a fixed block is fixedly connected to the top of the front side of the long rod.

[0008] Furthermore, a cylindrical groove is provided on the inner side of the support rod, and a first gear groove and a second gear groove are respectively provided on the left and right sides of the inner side of the outer side of the cylindrical groove. A rack groove is provided at the bottom of the inner side of the first gear groove, and a lifting rectangular groove is provided on the front side of the inner side of the second gear groove. A movable groove is provided on the top of the front side of the inner side of the lifting rectangular groove, and the movable groove is adapted to the fixed block.

[0009] Furthermore, a return spring is fixedly connected to the back side of the inner wall of the rack groove, and the front side of the return spring is fixedly connected to the back side of the telescopic rack.

[0010] Furthermore, the fixing assembly includes a fixing plate, both sides of the fixing plate are provided with internal grooves, and the front and back sides of the top of the inner wall of the internal groove are provided with limiting grooves.

[0011] Furthermore, a fixed tube is fixedly connected to the inner side of the internal groove, a fixed spring is fixedly connected to the inner side of the fixed tube, the other end of the fixed spring is fixedly connected to a telescopic rod, the telescopic rod is movably connected to the fixed tube, the top of the telescopic rod is fixedly connected to a connecting block, and the top of the connecting block is fixedly connected to a fixed frame.

[0012] Furthermore, the first cylindrical gear and the telescopic rack are meshed with each other, the second cylindrical gear and the long rod are meshed with each other, and the latch rod and the fixing slot are adapted to each other.

[0013] The technical effects and advantages of this utility model are:

[0014] The first gear is engaged with the first cylinder gear, and the second gear is engaged with the first cylinder gear, thereby driving the first cylinder gear to rotate clockwise, thereby driving the first cylinder gear to rotate counterclockwise, and the first cylinder gear is engaged with the telescopic rack, thereby driving the telescopic rack to move to the back side, and the return spring is compressed, and the latch rod is retracted into the inner side of the rack groove and pulled out from the inner side of the fixed groove, and then the support rod is pulled upward to make the height of the fixed assembly adapt to the height of the tester, and then the fixed block is no longer pressed, and the return spring releases the elastic force, so that the telescopic rack pushes the telescopic rack to move to the front side, so that the latch rod is inserted into the inside of the corresponding fixed groove, thereby completing the height fixing of the support assembly, and the height can be adjusted to a height that is convenient for the tester to operate and observe.

[0015] 2. The utility model is provided with a fixing assembly, which places the device body between two fixing frames. Under the tension of the fixing spring, the telescopic rod drives the fixing frames on both sides closer to each other, thereby completing the fixation of the device body and preventing the device body from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the support assembly structure of the present utility model.

[0018] Figure 3 This is a schematic diagram of the fixing groove structure of the present utility model.

[0019] Figure 4 This is a schematic diagram of the support rod structure of the present utility model.

[0020] Figure 5 This is a schematic diagram of the reset spring structure of the present utility model.

[0021] Figure 6 This is a schematic diagram of the rack groove structure of the present utility model.

[0022] Figure 7 This is a schematic diagram of the fixing component structure of the present utility model.

[0023] Figure 8 This is a schematic diagram of the fixed spring structure of the utility model.

[0024] The accompanying drawings are marked as follows: 1. Device body; 2. Fixing assembly; 201. Fixing plate; 211. Internal groove; 212. Limiting groove; 202. Fixing tube; 221. Fixing spring; 203. Telescopic rod; 204. Connecting block; 205. Fixing frame; 3. Supporting assembly; 31. Lifting rectangular groove; 32. Movable groove; 33. Cylindrical groove; 34. First gear groove; 35. Second gear groove; 36. Rack groove; 301. Base; 302. Fixing rod; 321. Fixing groove; 303. Supporting rod; 331. Cylindrical rod; 332. First cylindrical gear; 333. Second cylindrical gear; 334. Telescopic rack; 335. Latch rod; 336. Long rod; 337. Fixing block; 338. Return spring. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the accompanying drawings. In addition, the various structural forms described in the following embodiments are merely illustrative. The optical line terminal test device involved in the present invention is not limited to the various structures described in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0026] Reference Figures 1-8 The utility model provides a test device for an optical line terminal, comprising a device body 1, a fixing component 2 is installed on the outer side of the device body 1, and a supporting component 3 is installed on the bottom of the fixing component 2;

[0027] The support assembly 3 also includes a base 301, the top of the base 301 is fixedly connected to a fixing rod 302, the inner side of the fixing rod 302 is movably connected to the support rod 303, the front side of the inner side of the fixing rod 302 is provided with a fixing groove 321, the inner side of the support rod 303 is movably connected to a cylindrical rod 331, the left and right sides of the outer side of the cylindrical rod 331 are respectively fixedly connected to the first cylindrical gear 332 and the second cylindrical gear 333, a telescopic rack 334 is provided at the bottom of the inner side of the support rod 303, the front side of the telescopic rack 334 is fixedly connected to a latch rod 335, the front side of the inner side of the support rod 303 is movably connected to a long rod 336, and the top of the front side of the long rod 336 is fixedly connected to a fixed block 337.

[0028] In the embodiment of the present application, before conducting the test, the fixing block 337 is pressed first to drive the long rod 336 to move downward along the lifting rectangular slot 31. Through the meshing action of the long rod 336 and the second cylindrical gear 333, the second cylindrical gear 333 is driven to rotate clockwise, thereby driving the first cylindrical gear 332 to rotate counterclockwise. Through the meshing action of the first cylindrical gear 332 and the telescopic rack 334, the telescopic rack 334 is driven to move toward the back, the reset spring 338 is compressed, the latch rod 335 is retracted into the inner side of the rack slot 36, and is pulled out from the inner side of the fixing slot 321, and then the support rod 303 is pulled upward to make the height of the fixing assembly 2 adapt to the height of the tester, and then the fixing block 337 is no longer pressed. , the return spring 338 releases the elastic force, so that the telescopic rack 334 pushes the telescopic rack 334 to move toward the front, so that the latch rod 335 is inserted into the corresponding fixing groove 321, thereby completing the height fixation of the support assembly 3, and then the fixing frame 205 is stretched to both sides, and then the device body 1 is placed between the two fixing frames 205. Under the pulling force of the fixing spring 221, the telescopic rod 203 drives the fixing frames 205 on both sides to move closer to each other, thereby completing the fixation of the device body 1. Through the cooperation of the fixing assembly 2 and the support assembly 3, the device body 1 can be fixed, and the height can be adjusted to a height that is convenient for the tester to operate and observe. The support assembly 3 can also be shortened for easy storage and carrying.

[0029] In a preferred embodiment, a cylindrical groove 33 is provided on the inner side of the support rod 303, and a first gear groove 34 and a second gear groove 35 are respectively provided on the left and right sides of the inner side of the outer side of the cylindrical groove 33. A rack groove 36 is provided at the bottom of the inner side of the first gear groove 34, and a lifting rectangular groove 31 is provided on the front side of the inner side of the second gear groove 35. A movable groove 32 is provided on the top of the inner front side of the lifting rectangular groove 31. The movable groove 32 is adapted to the fixed block 337. The first cylindrical gear 332 is adapted to the telescopic gear 337. The bars 334 are meshed with each other, the second cylindrical gear 333 is meshed with the long rod 336, the latch rod 335 is adapted to the fixed groove 321, the cylindrical rod 331 can rotate on the inner side of the cylindrical groove 33, the first cylindrical gear 332 and the second cylindrical gear 333 can rotate on the inner sides of the first gear groove 34 and the second gear groove 35 respectively, the telescopic rack 334 can move horizontally back and forth on the inner side of the rack groove 36, and the long rod 336 can move up and down on the inner side of the lifting rectangular groove 31.

[0030] In a preferred embodiment, a return spring 338 is fixedly connected to the back of the inner wall of the rack groove 36, and the front of the return spring 338 is fixedly connected to the back of the telescopic rack 334. Through the elastic force of the return spring 338, the telescopic rack 334 can be pushed to move toward the front, so that the latch rod 335 is inserted into the interior of the fixed groove 321 to fix the length of the support rod 303.

[0031] In a preferred embodiment, the inner side of the internal groove 211 is fixedly connected to a fixed tube 202, the inner side of the fixed tube 202 is fixedly connected to a fixed spring 221, the other end of the fixed spring 221 is fixedly connected to a telescopic rod 203, the telescopic rod 203 is movably connected to the fixed tube 202, the top of the telescopic rod 203 is fixedly connected to a connecting block 204, the top of the connecting block 204 is fixedly connected to a fixing frame 205, the fixing assembly 2 includes a fixing plate 201, both sides of the inside of the fixing plate 201 are provided with internal grooves 211, the front and back sides of the top of the inner wall of the internal groove 211 are provided with limiting grooves 212, the connecting block 204 passes through the limiting groove 212, and is driven by the pulling force of the fixing spring 221 to drive the two fixing frames 205 closer to each other, thereby fixing the device body 1.

[0032] The working principle of the present invention is as follows: before conducting a test, the fixing block 337 is pressed first to drive the long bar 336 to move downward along the lifting rectangular slot 31, and the meshing action of the long bar 336 and the second cylindrical gear 333 drives the second cylindrical gear 333 to rotate clockwise, thereby driving the first cylindrical gear 332 to rotate counterclockwise, and the meshing action of the first cylindrical gear 332 and the telescopic rack 334 drives the telescopic rack 334 to move to the back side, the reset spring 338 is compressed, the latch rod 335 retracts the inner side of the rack slot 36, and is pulled out from the inner side of the fixing slot 321, and then the support rod 303 is pulled upward to make the height of the fixing assembly 2 adapt to the height of the tester, and then the fixing block 337 is no longer pressed. When pressed, the return spring 338 releases its elastic force, causing the telescopic rack 334 to push the telescopic rack 334 to move toward the front, so that the latch rod 335 is inserted into the corresponding fixing groove 321, thereby completing the height fixation of the support assembly 3, and then the fixing frame 205 is stretched to both sides, and then the device body 1 is placed between the two fixing frames 205. Under the pulling force of the fixing spring 221, the telescopic rod 203 drives the fixing frames 205 on both sides to approach each other, thereby completing the fixation of the device body 1. Through the cooperation of the fixing assembly 2 and the support assembly 3, the device body 1 can be fixed, and the height can be adjusted to a height that is convenient for the tester to operate and observe. The support assembly 3 can also be shortened for easy storage and carrying.

[0033] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0034] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0035] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A test device for an optical line terminal, comprising a device body (1), characterized in that: A fixing assembly (2) is installed on the outside of the device body (1), and a supporting assembly (3) is installed on the bottom of the fixing assembly (2); The support assembly (3) further comprises a base (301), the top of the base (301) being fixedly connected to a fixing rod (302), the inner side of the fixing rod (302) being movably sleeved with a support rod (303), the front side of the inner side of the fixing rod (302) being provided with a fixing groove (321), the inner side of the support rod (303) being movably sleeved with a cylindrical rod (331), the left side and the right side of the outer side of the cylindrical rod (331) being fixedly sleeved with a first cylindrical gear (332) and a second cylindrical gear (333) respectively, the bottom of the inner side of the support rod (303) being provided with a telescopic rack (334), the front side of the telescopic rack (334) being fixedly connected to a latch rod (335), the front side of the inner side of the support rod (303) being movably sleeved with a long rod (336), the top of the front side of the long rod (336) being fixedly connected to a fixing block (337).

2. The optical line terminal test device according to claim 1, wherein: A cylindrical groove (33) is provided on the inner side of the support rod (303), and a first gear groove (34) and a second gear groove (35) are provided on the left and right sides of the inner side of the outer side of the cylindrical groove (33), respectively. A rack groove (36) is provided on the bottom of the inner side of the first gear groove (34), and a lifting rectangular groove (31) is provided on the front side of the inner side of the second gear groove (35). A movable groove (32) is provided on the top of the inner front side of the lifting rectangular groove (31), and the movable groove (32) and the fixed block (337) are adapted to each other.

3. The optical line terminal test device according to claim 2, wherein: A return spring (338) is fixedly connected to the back of the inner wall of the rack groove (36), and the front of the return spring (338) is fixedly connected to the back of the telescopic rack (334).

4. The optical line terminal test device according to claim 1, wherein: The fixing assembly (2) comprises a fixing plate (201), both sides of the fixing plate (201) are provided with internal grooves (211), and the front and back sides of the top of the inner wall of the internal groove (211) are provided with limiting grooves (212).

5. The optical line terminal test device according to claim 4, characterized in that: The inner side of the inner groove (211) is fixedly connected to a fixed tube (202), the inner side of the fixed tube (202) is fixedly connected to a fixed spring (221), the other end of the fixed spring (221) is fixedly connected to a telescopic rod (203), the telescopic rod (203) is movably sleeved with the fixed tube (202), the top of the telescopic rod (203) is fixedly connected to a connecting block (204), and the top of the connecting block (204) is fixedly connected to a fixing frame (205).

6. The optical line terminal test device according to claim 1, characterized in that: The first cylindrical gear (332) and the telescopic rack (334) are meshed with each other, the second cylindrical gear (333) and the long rod (336) are meshed with each other, and the latch rod (335) and the fixing groove (321) are adapted to each other.

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