Handheld optical time domain reflectometer

Abstract

The utility model discloses a handheld optical time domain reflectometer, which relates to the technical field of reflectometers and comprises a reflectometer body, a rectangular groove is arranged at the bottom of one side of the reflectometer body, a multifunctional component is arranged at the bottom end of the reflectometer body, and a support component is arranged in the rectangular groove. The multifunctional assembly comprises a sliding groove and two U-shaped rods. The multifunctional reflecting instrument has the beneficial effects that the U-shaped rod arranged in the multifunctional assembly is matched with the bearing and the rotating rod to rotate, when the U-shaped rod rotates to a proper position, the first magnetic plate and the first iron plate are magnetically adsorbed and sleeved outside the reflecting instrument body, and when the multifunctional reflecting instrument needs to be extended for use, the U-shaped rod rotates to enable the second magnetic plate and the second iron plate to be adsorbed and connected; a hinge arranged in the extension rod supporting assembly is matched with a first U-shaped supporting rod to be folded into a rectangular groove, and a second U-shaped supporting rod is matched with a damping rotating shaft to be folded to form a triangular supporting frame, so that the reflectometer body is integrally supported.

Description

Technical Field

[0001] The utility model relates to a reflectometer, in particular to a handheld optical time domain reflectometer, and belongs to the technical field of reflectometers. Background Art

[0002] The optical time domain reflectometer is an instrument that analyzes the measurement curve to understand the uniformity, defects, fractures, joint coupling and other properties of the optical fiber. Whether the optical output port can be kept clean is a key factor affecting the performance of the instrument. Although the traditional handheld optical time domain reflectometer has a certain dust-proof function for the optical output port, it is easy to lose the handheld optical time domain reflectometer during operation because dust-proof parts such as dust caps are required, which affects the subsequent use.

[0003] Among them, a small handheld optical time domain reflectometer with application number "CN202023181670.8" can include a box body, and side panels A are fixedly installed on the upper and lower side walls on the left and right sides of the box body, and a slide groove A is opened at the vertical inner end of the side panel A, and a slider A is slidably installed inside the slide groove A, and a strap is fixedly installed on the vertical inner end of the slider A through the slide groove A, and grip pads are fixedly installed on the outer walls on the left and right sides of the box body, and side panels B are fixedly installed on the front end side walls on the left and right sides of the box body, and a slide groove B is opened inside the side panel B, and a slider B is slidably installed inside the slide groove B, and a blocking cover is fixedly installed on the outer wall of the lower side of the front end of the slider B. By setting an embedded sliding structure, an embedded fixed structure and an elastic telescopic structure, the practicality of the reflectometer is improved. Further retrieval found that a four-in-one handheld optical time domain reflectometer with application number "CN202020762651.5" includes a handheld housing, the upper surface of the handheld housing is provided with a test port, a fault socket and a data upload port from left to right in sequence, a switch is fixed on the upper surface of the right end of the handheld housing by screws, a charging port is opened in the middle of the lower surface of the handheld housing, a display screen is inlaid and fixed on the upper surface of the front end of the handheld housing, a MENU key, a return key, an OK key and left and right adjustment keys are inlaid in a rectangle below the display screen, an optical power meter, a red light source, an optical time domain reflectometer and a stable light source module are fixed by screws in a rectangular shape on the upper inside of the handheld housing, a controller is provided on the left side below the stable light source module and is fixed in the handheld housing by screws, a lithium battery is provided below the controller and is fixed in the handheld housing by screws; the utility model has the advantages of simple structure, precise measurement and adjustable measurement distance.

[0004] However, the above two types still have certain shortcomings when used. The existing handheld optical time domain reflectometer has a simple structure, is not convenient for extended use, and cannot adapt to more complex use environments. In addition, the handheld optical time domain reflectometer is prone to relative sliding with the work surface, resulting in poor support stability of the handheld optical time domain reflectometer. Utility Model Content

[0005] The utility model aims to provide a handheld optical time domain reflectometer to solve the problem that the welding fixture in the prior art mentioned in the above background technology has general applicability and is not convenient for clamping and positioning metal products of a certain size.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handheld optical time domain reflectometer, comprising a reflector body, a rectangular groove is provided at the bottom of one side of the reflector body, a multifunctional component is provided at the bottom end of the reflector body, and a support component is provided inside the rectangular groove; the multifunctional component comprises a slide groove and two U-shaped rods, the slide groove is provided in the middle of the bottom end of the reflector body, and the two U-shaped rods are movably sleeved on both sides of the reflector body; the support component comprises a first U-shaped support rod, and the first U-shaped support rod is hingedly arranged at the bottom of the inner wall of the rectangular groove through a hinge.

[0007] As a preferred technical solution of the utility model, a sliding block is slidably provided inside the sliding groove, and the bottom ends of the two sliding blocks are provided with a U-shaped plate.

[0008] As a preferred technical solution of the utility model, a rotating rod is rotatably inserted through the middle of the inner walls of the two U-shaped plates through a bearing, and one end of the two U-shaped rods is respectively inserted and connected with the middle of the two rotating rods.

[0009] As a preferred technical solution of the utility model, the other ends of the two U-shaped plates are respectively provided with a first magnetic plate and a first iron plate, the first magnetic plate is adsorbed and connected to the first iron plate, and one side of the two U-shaped plates is respectively provided with a second magnetic plate and a second iron plate, and the position of the second magnetic plate corresponds one to one with the position of the second iron plate.

[0010] As a preferred technical solution of the utility model, a second U-shaped support rod is interspersed and provided on one side of the inner wall of the first U-shaped support rod through the rotation of the damping shaft.

[0011] As a preferred technical solution of the present utility model, the top end of the second U-shaped support rod is in contact with the top end of the inner wall of the rectangular groove.

[0012] As a preferred technical solution of the present invention, the two U-shaped rods are both made of silicone material.

[0013] Compared with the related art, the handheld optical time domain reflectometer provided by the utility model has the following beneficial effects:

[0014] The U-shaped rod arranged in the multifunctional component rotates in coordination with the bearing and the rotating rod. When the U-shaped rod is rotated to an appropriate position, the first magnetic plate and the first iron plate are magnetically adsorbed and sleeved on the outside of the reflectometer body. When it needs to be extended for use, the U-shaped rod is rotated to make the second magnetic plate and the second iron plate adsorbed and connected, so that the hinge arranged in the extension rod support assembly cooperates with the first U-shaped support rod and is folded into the rectangular groove. The second U-shaped support rod cooperates with the damping shaft and is folded to form a triangular support frame, so that the reflectometer body is supported as a whole. The technical problems that the existing handheld optical time domain reflectometer has too simple a structure, is not convenient for extension use, cannot adapt to a more complex use environment, and the handheld optical time domain reflectometer is prone to relative sliding with a work surface, thereby resulting in poor support stability of the handheld optical time domain reflectometer are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is one of the cross-sectional structural schematic diagrams of the utility model;

[0017] Figure 3 This is the second schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 4 This is the third schematic diagram of the cross-sectional structure of the present utility model.

[0019] In the figure: 1. reflectometer body; 2. rectangular groove; 3. multifunctional component; 31. slide groove; 32. slider; 33. U-shaped plate; 34. rotating rod; 35. bearing; 36. U-shaped rod; 37. first magnetic plate; 38. first iron plate; 39. second magnetic plate; 310. second iron plate; 4. support component; 41. first U-shaped support rod; 42. hinge; 43. second U-shaped support rod; 44. damping shaft. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment 1:

[0022] See also Figure 1-4The utility model provides a handheld optical time domain reflectometer, comprising a reflectometer body 1, a rectangular groove 2 is provided at the bottom of one side of the reflector body 1, a multifunctional component 3 is provided at the bottom end of the reflector body 1, and a supporting component 4 is provided inside the rectangular groove 2;

[0023] The multifunctional component 3 includes a slide groove 31 and two U-shaped rods 36. The slide groove 31 is provided in the middle of the bottom end of the reflector body 1. The two U-shaped rods 36 are movably sleeved on the two sides of the reflector body 1.

[0024] Slide blocks 32 are slidably disposed inside the slide grooves 31, and the bottom ends of the two slide blocks 32 are each provided with a U-shaped plate 33, so as to adapt to a more complex use environment;

[0025] A rotating rod 34 is rotatably inserted through the middle of the inner wall of the two U-shaped plates 33 via a bearing 35, and one end of the two U-shaped rods 36 is respectively inserted and connected with the middle of the two rotating rods 34, so as to facilitate the use of multiple rotating structures;

[0026] The other ends of the two U-shaped plates 33 are respectively provided with a first magnetic plate 37 and a first iron plate 38, the first magnetic plate 37 is adsorbed and connected with the first iron plate 38, and one side of the two U-shaped plates 33 is respectively provided with a second magnetic plate 39 and a second iron plate 310, the position of the second magnetic plate 39 corresponds to the position of the second iron plate 310, so as to facilitate adsorption to form an extension rod;

[0027] The two U-shaped rods 36 are both made of silicone material, which is convenient for hand-held use;

[0028] Specifically, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the U-shaped rod 36 provided in the multifunctional component 3 rotates in coordination with the bearing 35 and the rotating rod 34. When it rotates to an appropriate position, the first magnetic plate 37 and the first iron plate 38 are magnetically adsorbed and sleeved on the outside of the reflectometer body 1 for normal handheld use. When extended use is required, the U-shaped rod 36 rotates while driving the two sliders 32 to slide back to each other in the slide groove 31. When sliding to an appropriate position, the second magnetic plate 39 is adsorbed and connected with the second iron plate 310, which is convenient for extended use, adapts to a more complex use environment, and increases the diversity of the use structure.

[0029] Embodiment 2:

[0030] The support assembly 4 includes a first U-shaped support rod 41, which is hingedly arranged at the bottom of the inner wall of the rectangular groove 2 through a hinge 42, so as to increase the support structure;

[0031] A second U-shaped support rod 43 is rotatably interspersed on one side of the inner wall of the first U-shaped support rod 41 through a damping shaft 44, so as to facilitate rotation and folding;

[0032] The top end of the second U-shaped support rod 43 contacts the top end of the inner wall of the rectangular groove 2, so as to facilitate folding to form a triangular support frame;

[0033] Specifically, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the hinge 42 provided in the support assembly 4 cooperates with the first U-shaped support rod 41 to be folded into the rectangular groove 2, and the second U-shaped support rod 43 cooperates with the damping shaft 44 to be folded to form a triangular support frame.

[0034] When in use, first, the U-shaped rod 36 provided in the multifunctional component 3 is rotated in coordination with the bearing 35 and the rotating rod 34. When rotated to an appropriate position, the first magnetic plate 37 and the first iron plate 38 are magnetically adsorbed and sleeved on the outside of the reflectometer body 1 for normal handheld use. When extended use is required, the U-shaped rod 36 rotates while driving the two sliders 32 to slide back to each other in the slide groove 31. When sliding to an appropriate position, the second magnetic plate 39 is adsorbed and connected with the second iron plate 310, which is convenient for extended use and adapts to more complex use environments, increasing the diversity of the use structure. The hinge 42 provided in the support component 4 cooperates with the first U-shaped support rod 41 to fold into the rectangular groove 2, and the second U-shaped support rod 43 cooperates with the damping shaft 44 to fold to form a triangular support frame.

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

Claims

1. A handheld optical time domain reflectometer, comprising a reflectometer body (1), characterized in that: A rectangular groove (2) is provided at the bottom of one side of the reflector body (1), a multifunctional component (3) is provided at the bottom end of the reflector body (1), and a supporting component (4) is provided inside the rectangular groove (2); The multifunctional component (3) comprises a slide groove (31) and two U-shaped rods (36), wherein the slide groove (31) is provided in the middle of the bottom end of the reflectometer body (1), and the two U-shaped rods (36) are movably sleeved on two sides of the reflectometer body (1); The support assembly (4) comprises a first U-shaped support rod (41), and the first U-shaped support rod (41) is hingedly arranged at the bottom of the inner wall of the rectangular groove (2) through a hinge (42).

2. The handheld optical time domain reflectometer according to claim 1, characterized in that: Slide blocks (32) are slidably disposed inside the slide grooves (31), and the bottom ends of the two slide blocks (32) are each provided with a U-shaped plate (33).

3. The handheld optical time domain reflectometer according to claim 2, characterized in that: A rotating rod (34) is rotatably inserted through the middle of the inner wall of the two U-shaped plates (33) via a bearing (35), and one end of the two U-shaped rods (36) is respectively inserted and connected with the middle of the two rotating rods (34).

4. The handheld optical time domain reflectometer according to claim 3, characterized in that: The other ends of the two U-shaped plates (33) are respectively provided with a first magnetic plate (37) and a first iron plate (38), the first magnetic plate (37) is adsorbed and connected to the first iron plate (38), and one side of the two U-shaped plates (33) is respectively provided with a second magnetic plate (39) and a second iron plate (310), the position of the second magnetic plate (39) corresponds to the position of the second iron plate (310) one by one.

5. The handheld optical time domain reflectometer according to claim 1, characterized in that: A second U-shaped support rod (43) is rotatably inserted through one side of the inner wall of the first U-shaped support rod (41) via a damping shaft (44).

6. The handheld optical time domain reflectometer according to claim 5, characterized in that: The top end of the second U-shaped support rod (43) contacts the top end of the inner wall of the rectangular groove (2).

7. The handheld optical time domain reflectometer according to claim 1, characterized in that: The two U-shaped rods (36) are both made of silicone material.

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