XLR cable tester

Abstract

An XLR cable tester comprises a female piece with a plug, the plug is connected with an interface of a product to be tested for testing, a second cavity is arranged in the female piece, and a second testing piece is assembled in the second cavity. A second axial limiting structure is arranged in the female part, the second axial limiting structure is located in the second cavity, second limiting convex steps are oppositely arranged in the second cavity in the axial direction, and the two ends of the second test part abut against the second limiting convex steps respectively to achieve limiting. A second turnover limiting structure is arranged in the female part, the second turnover limiting structure comprises a second base on the second test piece, a plurality of second limiting protrusions are arranged on the side face of the second base, and second limiting grooves matched with the second limiting protrusions are formed in the inner wall of the second cavity. The second axial limiting structure and the second turnover limiting structure achieve screw-free fastener assembly of the female part. And the female part is not provided with a key lock catch. Compared with the prior art, the detection efficiency and the maintenance efficiency are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to card Neng detection technical field, concretely relates to a kind of XLR cable tester. BACKGROUND

[0002] XLR cable tester is a kind of tool for detecting audio equipment connecting interface electrical performance connection reliability, is widely used in sound engineering, broadcast television and recording production etc.Field.Its test method is that tester is inserted and assembled with the interface of product to be tested, and the connection condition of product to be tested is judged by signal light on tester or instrument connected with test.However, XLR cable tester in prior art has the following shortcomings:

[0003] 1, the internal test piece of traditional XLR cable tester is usually fixed by screw and shell, when test piece is damaged or aged, user needs to spend long time to disassemble and replace, increase production cost and maintenance difficulty, and other components of tester are easily damaged due to improper operation.

[0004] 2, key lock structure is usually used in prior art to realize the connection and fixation of tester and interface.This design can guarantee the reliability of connection, but needs to be pressed to unlock, in the test application scene needing frequent plug and unplug, it is not conducive to improve detection efficiency.

[0005] In summary, existing XLR cable tester has obvious deficiency in structure design, operation convenience etc., and urgent need for a more optimized solution to improve test efficiency and simplify maintenance process. INVENTION CONTENTS

[0006] In order to solve the above technical problems, the utility model solves the problem by the following technical scheme.

[0007] A kind of XLR cable tester, including female piece with plug, test is carried out by connecting the interface of product to be tested with plug, second cavity is provided in female piece, second test piece is assembled in second cavity.Second axial limit structure is provided in female piece, the second axial limit structure is located in second cavity, second limit convex step is relatively arranged in second cavity along axial direction, and the both ends of second test piece are respectively limited by realizing limit with second limit convex step.Second rotation limit structure is provided in female piece, the second rotation limit structure includes second pedestal on second test piece, second limit convex is provided on the side surface of second pedestal, and second limit groove is provided on the inner wall of second cavity, and is matched with second limit convex.The second axial limit structure and second rotation limit structure realize the screwless fastener assembly of the female piece.No key lock is provided on the female piece.

[0008] As a preferred technical scheme of the XLR cable tester, the male element further comprises a socket.

[0009] As a preferred technical scheme of the XLR cable tester, the male element is provided with a first cavity, and a first testing element is arranged in the first cavity, and the male element is provided with a first axial limiting structure and a first circumferential limiting structure.

[0010] As a preferred technical scheme of the XLR cable tester, the first testing element is provided with a limiting plate on a side facing the first base, and the limiting plate is in abutment with the first limiting convex step.

[0011] As a preferred technical scheme of the XLR cable tester, the first base is provided with a first elastic sheet on a side in abutment with an inner wall of the first cavity, and the second base is provided with a second elastic sheet on a side in abutment with an inner wall of the second cavity.

[0012] As a preferred technical scheme of the XLR cable tester, the male element comprises a first shell and a first base, and the female element comprises a second shell and a second base.

[0013] As a preferred technical scheme of the XLR cable tester, the second testing element further comprises a battery and an insulating sleeve sleeved on the battery, one end of the insulating sleeve is in abutment with the second base, and the other end is in abutment with the second limiting convex step.

[0014] Compared with the prior art, the application has the following beneficial technical effects: the design of the key lock and the fixing of the testing element by screws is cancelled, the structure of the tester is optimized, and the detection efficiency and maintenance efficiency are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the female element.

[0016] Figure 2 It is a perspective view of the male element.

[0017] Figure 3Structure cross-sectional view of the male and female parts.

[0018] Figure 4 Structure exploded perspective view of the female part.

[0019] Figure 5 Structure exploded perspective view of the male part.

[0020] Figure 6 Structure exploded plan view of the male and female parts.

[0021] Figure 7 Structure cross-sectional view of the male and female parts. Figure 5 Structure cross-sectional view of the male and female parts. Structure cross-sectional view of the male and female parts.

[0022] The following is a description of the reference signs in the drawings of the specification:

[0023] 100, male part; 110, first cavity; 111, insertion slot; 112, first limiting convex step; 113, first limiting groove; 120, first test piece; 121, first base; 122, first limiting convex; 123, first signal lamp; 124, first elastic sheet; 125, limiting plate; 130, first shell; 140, first base;

[0024] 200, female part; 210, second cavity; 211, plug; 212, second limiting convex step; 213, second limiting groove; 220, second test piece; 221, second base; 222, second limiting convex; 223, second signal lamp; 224, second elastic sheet; 225, battery; 226, insulating sleeve; 230, second shell; 240, second base. DETAILED DESCRIPTION

[0025] The utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0026] In the following embodiments, the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout, and the following embodiments described by referring to the drawings are exemplary and are only used to explain the utility model and cannot be understood as limiting the utility model.

[0027] In the description of the utility model, it needs to be understood that the terms: center, longitudinal, transverse, length, width, thickness, upper, lower, front, back, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, therefore cannot be understood as limiting the utility model. In addition, the terms: first, second and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the shown technical features. In the description of the utility model, unless otherwise explicitly specified and limited, the terms: mounting, connection, connection and the like should be understood in a broad sense, and the person skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0028] Embodiment 1

[0029] Reference Figure 1 、 Figure 3 and Figures 5 to 7 , an XLR cable tester, comprising a female piece 200 with a plug 211, testing by connecting the plug 211 to the interface of the product to be tested, a second cavity 210 is arranged in the female piece 200, and a second test piece 220 is assembled in the second cavity 210. A second axial limiting structure is arranged in the female piece 200, the second axial limiting structure is located in the second cavity 210, a second limiting convex step 212 is arranged in the second cavity 210 in opposite directions along the axis, and the two ends of the second test piece 220 are limited by abutting against the second limiting convex step 212 respectively. A second turnover limiting structure is arranged in the female piece 200, the second turnover limiting structure comprises a second base 221 on the second test piece 220, a plurality of second limiting protrusions 222 are arranged on the side surface of the second base 221, and a second limiting groove 213 matched with the second limiting protrusions 222 is arranged on the inner wall of the second cavity 210. The axial limiting structure is used for axial limiting, so as to avoid the axial displacement of the test piece in the cavity, and the turnover limiting structure is used for circumferential limiting of the test piece, so as to prevent the test piece from rotating relative to the cavity, the second axial limiting structure and the second turnover limiting structure cooperate to realize the screwless fastener assembly of the female piece 200, the tester structure is optimized, and the maintenance efficiency is improved. There is no key lock on the female piece 200, compared with the traditional design, the key lock structure is cancelled, the unlocking step is saved when pulling out and inserting, and the detection efficiency is improved.

[0030] The second testing piece 220 further comprises a battery 225, an insulating sleeve 226 sleeved on the battery 225, and a second signal lamp 223. The second signal lamp 223 is exposed from the bottom of the female piece 200. One end of the insulating sleeve 226 abuts against the second base 221, and the other end abuts against the second limiting convex step 212. The battery 225 is used to power the tester, so that the tester does not need an external power supply, and the portability and use convenience of the XLR cable tester are improved. The insulating sleeve 226 can radially limit the battery 225, and functions as an axial limiting part of the second testing piece 220. The embodiment is used to test the electrical performance of the interface circuit of a product with only a single interface, such as an audio device.

[0031] Embodiment 2

[0032] Reference Figure 2 、 Figure 4 and Figures 5 to 7 On the basis of the structure of embodiment 1, the XLR cable tester further comprises a male piece 100 with a slot 111. The male piece 100 is provided with a first cavity 110, the first testing piece 120 is assembled in the first cavity 110, and the male piece 100 is provided with a first axial limiting structure and a first circumferential limiting structure. The first axial limiting structure is located in the first cavity 110, and the first cavity 110 is provided with a first limiting convex step 112 in opposite directions along the axis, and the two ends of the first testing piece 120 abut against the first limiting convex step 112 to realize limiting. The first circumferential limiting structure comprises a first base 121 on the first testing piece 120, the side surface of the first base 121 is provided with a plurality of first limiting convexities 122, and the inner wall of the first cavity 110 is provided with a first limiting groove 113 matched with the first limiting convexity 122. The first axial limiting structure and the first circumferential limiting structure realize screwless fastening assembly of the male piece 100. The first testing piece 120 is assembled with a limiting plate 125 on the side facing the first base 140, and the limiting plate 125 abuts against the first limiting convex step 112. The first testing piece 120 comprises a first signal lamp 123, and the first signal lamp 123 is exposed from the bottom of the male piece 100. This embodiment is used to test a product with two interfaces, such as a data line, the interfaces of the product to be tested include interface A and interface B, the interface A can be plugged with the plug 211 of the female piece 200, and the interface B can be plugged with the slot 111 of the male piece 100. The male piece 100 and the female piece 200 are connected with the two ends of the data line respectively, and the electrical connection performance of the product to be tested can be detected by observing the display of the first signal lamp 123 and the second signal lamp 223.

[0033] Further, the first base 121 is equipped with a first elastic piece 124 on the side that abuts against the inner wall of the first cavity 110, and the second base 221 is equipped with a second elastic piece 224 on the side that abuts against the inner wall of the second cavity 210. The first elastic piece 124 and the second elastic piece 224 increase the friction between the base and the inner wall of the cavity by applying a radial force to the inner wall of the cavity, thereby improving the connection stability of the base and the cavity.

[0034] Further, the male element 100 comprises a first sleeve 130 and a first base 140, and the female element 200 comprises a second sleeve 230 and a second base 240. The first sleeve 130 and the first base 140, and the second sleeve 230 and the second base 240 are connected through the cooperation of internal threads and external threads. The threaded connection method does not require a screwdriver when disassembling, facilitating assembly and disassembly, and improving the convenience of maintenance and replacement of components. It should be noted that the drawings only show one embodiment of the threaded connection between the first sleeve 130 and the second base 240, and between the second sleeve 230 and the second base 240 in the present application. Other design schemes, such as providing internal threads on the first sleeve 130 and the second sleeve 230, and providing external threads on the first base 140 and the second base 240, can also be used. The specific design scheme is determined according to the application scene of the tester and the design size.

[0035] The protection scope of the present application includes but is not limited to the above embodiments, and the protection scope of the present application is subject to the claims, and any replacement, deformation, improvement of the present technology that can be easily thought of by those skilled in the art falls within the protection scope of the present application.

Claims

1. An XLR cable tester, comprising a female component (200) having a plug (211), wherein testing is performed by connecting the plug (211) to the interface of a product under test, wherein a second cavity (210) is provided within the female component (200), and a second test piece (220) is assembled within the second cavity (210), characterized in that: The mother piece (200) is provided with a second axial limiting structure, which is located in the second cavity (210). The second cavity (210) is provided with a second limiting protrusion (212) in the axial direction. The two ends of the second test piece (220) abut against the second limiting protrusion (212) to achieve limiting. The mother part (200) is provided with a second turnover limiting structure. The second turnover limiting structure includes a second base (221) on the second test piece (220). The second base (221) has a plurality of second limiting protrusions (222) on its side. The inner wall of the second cavity (210) is provided with a second limiting groove (213) that cooperates with the second limiting protrusions (222). The second axial limiting structure and the second rotational limiting structure enable screwless fastener assembly of the mother part (200); The mother component (200) has no button latch.

2. The XLR cable tester according to claim 1, characterized in that, It also includes a male component (100) with a slot (111); the interface of the product under test includes at least one of interface A and interface B, interface A can be plugged into the plug (211) of the female component (200), and interface B can be plugged into the slot (111) of the male component (100).

3. An XLR cable tester according to claim 2, characterized in that, The male component (100) is provided with a first cavity (110), and a first test piece (120) is assembled in the first cavity (110). The male component (100) is provided with a first axial limiting structure and a first rotational limiting structure. The first axial limiting structure is located in the first cavity (110). The first cavity (110) is provided with a first limiting protrusion (112) in the axial direction. The two ends of the first test piece (120) abut against the first limiting protrusion (112) to achieve limiting. The first turnover limiting structure includes a first base (121) on the first test piece (120), a plurality of first limiting protrusions (122) are provided on the side of the first base (121), and a first limiting groove (113) that cooperates with the first limiting protrusions (122) is provided on the inner wall of the first cavity (110). The first axial limiting structure and the first circumferential limiting structure enable the screwless fastener assembly of the component (100).

4. An XLR cable tester according to claim 3, characterized in that, The first test piece (120) is fitted with a limiting plate (125) on the side facing the first base (140), and the limiting plate (125) abuts against the first limiting protrusion (112).

5. An XLR cable tester according to claim 3, characterized in that, The first base (121) is fitted with a first elastic piece (124) that abuts against the inner wall of the first cavity (110) on its side, and the second base (221) is fitted with a second elastic piece (224) that abuts against the inner wall of the second cavity (210) on its side.

6. An XLR cable tester according to claim 3, characterized in that, The male component (100) includes a first housing (130) and a first base (140), and the female component (200) includes a second housing (230) and a second base (240); the first housing (130) and the first base (140) are connected by internal and external threads, and the second housing (230) and the second base (240) are connected by internal and external threads.

7. An XLR cable tester according to claim 1, characterized in that, The second test piece (220) also includes a battery (225) and an insulating sleeve (226) fitted on the battery (225). One end of the insulating sleeve (226) abuts against the second base (221), and the other end abuts against the second limiting protrusion (212).

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