Butt joint plug for electrical testing machine

Abstract

The utility model discloses a butt joint plug for an electric testing machine, which comprises a profiling plug, a probe and a plug shell, and is characterized in that the profiling plug is adaptively connected with a connector of a product to be tested; the probe is arranged in the profiling plug and is in contact with a PIN of the connector; and the plug shell is positioned at the tail part of the profiling plug. By means of the mode, the pushing force of an operator is transferred to the shell instead of directly acting on the welding point, and therefore the risk that the welding point is stressed is reduced. By protecting the welding point, stable connection between the test wire and the probe is ensured, the problem of test open circuit or large resistance caused by welding point breakage is avoided, and the test reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to product function detection technical field especially, it relates to a kind of docking plug for electric measuring machine. BACKGROUND

[0002] When FPC (Flexible Printed Circuit) flexible printed circuit board, CCS (Cells Contact System) integrated busbar product completes assembly, to ensure that product function is good, usually need to use electric measuring machine to carry out function detection.Electric measuring machine is connected with the connector of product by docking plug, to realize the test of product function.Docking plug is as the key component of electric measuring machine and product connection, and its quality directly influences the accuracy of test result.

[0003] The structure of existing docking plug mainly includes front end probe contact point and tail end wire welding point.Probe is connected with electric measuring machine test system by welding wire, and operator needs to manually push the tail of docking plug before testing, to insert it into connector cavity, to ensure that connection is successful and starts testing.However, since the welding point of test probe and test wire connection in docking plug is exposed, the following shortcomings and deficiencies exist:

[0004] 1.welding point is easy to break: the tail of docking plug is the welding position of probe, and welding point uses solder wire to connect test wire.Since solder wire itself is brittle, it is easy to break under stress, leading to test wire and probe separation, and further causing test open circuit or resistance value large problem.

[0005] 2.difficult to operate: in the operation process, operator needs to hold the tail of docking plug to push, and the tail is the position of welding point and test wire.Since wire is thin and soft, and welding point is fragile, operator is easy to exert external force on welding point during pushing, leading to welding point breakage, and affecting the continuity and accuracy of test.

[0006] Therefore, docking plug capable of protecting welding point, reducing external force influence in operation process and being convenient to use is urgently needed. UTILITY MODEL CONTENT

[0007] The utility model aims at solving the problem of welding point breakage and inconvenient operation of docking plug in prior art, by optimizing the structure of docking plug, welding point is wrapped inside plug shell, to avoid operator directly contacting welding point when pushing docking plug, to effectively prevent welding point breakage, and improve the stability and reliability of test.

[0008] To solve the above technical problems, the utility model provides the following technical scheme:

[0009] A docking plug for an electrical measuring machine, the docking plug comprising a profiling plug, a probe, a plug shell,

[0010] The profiling plug is connected to the connector of the product to be measured;

[0011] The probe is arranged in the profiling plug and contacts the PIN pin of the connector;

[0012] The plug shell is located at the tail of the profiling plug.

[0013] Preferably, the plug shell is provided with a probe hole at a corresponding position of the profiling plug; the front end of the probe is arranged in the profiling plug, and the tail of the probe extends into the plug shell and is connected to the testing instrument through a test lead.

[0014] Preferably, the bottom of the plug shell is provided with a support plate, and the support plate is provided with a fixing hole one.

[0015] Preferably, a sliding groove is fixedly arranged below the support plate, and the sliding groove moves along a straight sliding rail.

[0016] Preferably, the straight sliding rail is fixed on the testing tool, and the docking plug slides to a predetermined position through the straight sliding rail and is inserted into the connector of the product to be measured.

[0017] Preferably, a fixing hole two corresponding to the fixing hole one is reserved on the testing tool, and after the docking plug is inserted into the connector, the docking plug is fixed on the testing tool through a fixing pin.

[0018] The docking plug for the electrical measuring machine has the following beneficial effects:

[0019] The docking plug for the electrical measuring machine has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the docking plug for the electrical measuring machine and the connector on the product to be measured;

[0021] Figure 2 is a structural schematic view of the docking plug;

[0022] Figure 3is a structural schematic view of the profiled plug shown in the figure;

[0023] The labels of the components in the drawings are as follows:

[0024] 1, profiled plug; 2, probe; 3, fixing pin; 4, plug shell; 5, straight sliding rail; 6, support plate; 7, screw hole; 8, product to be tested; 9, connector; 10, sliding groove. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present application are described in detail below with reference to the accompanying drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the protection scope of the present application is defined more clearly and explicitly.

[0026] Embodiment:

[0027] The present embodiment introduces a mating plug for an electrical measurement machine,

[0028] The mating plug is used for testing the line conduction resistance / voltage resistance / insulation resistance of FPC and CCS products. The mating plug is connected to the test instrument through the test lead of the probe tail. After the mating plug is inserted into the connector, the front end of the probe and the PIN pin of the connector are in contact, and the product to be tested FPC / CCS is connected to the entire test system. In the present application, the product to be tested is fixed on the test tooling, and the mating plug is also installed on the test tooling during the test process. The test tooling is an FR4 carrier plate, and the specific structure of the test tooling is prior art, which is obvious to those skilled in the art, and therefore is not described in detail in the present application.

[0029] As Figure 1 , 2 , 3 shown, Figure 1 is a structural schematic view of a mating plug for an electrical measurement machine of the present application, Figure 2 is a structural schematic view of the mating plug shown, Figure 3 is a structural schematic view of the profiled plug shown.

[0030] The mating plug comprises a profiled plug 1, a probe 2, and a plug shell 4; the profiled plug 1; the profiled plug is adaptively connected with the connector 9 of the product to be tested 8;

[0031] The profiled plug 1 is arranged on the side surface of the plug shell 4;

[0032] The probe 2 is arranged in the profiled plug 1 and is used for contacting the PIN pin of the connector 9 to realize electrical connection;

[0033] The plug shell 4 is located at the tail of the profiled plug 1.

[0034] In the preferred embodiment, the plug housing 4 is provided with a probe hole corresponding to the position of the profiled plug 1; the front end of the probe 2 is arranged in the profiled plug 1, and the tail of the probe 2 extends into the plug housing 4 and is connected to a test instrument through a test lead wire, and the probe is connected to the test lead wire through soldering.

[0035] In order to avoid the operator from touching the welding point when pushing the plug, the utility model discloses a plug housing at the tail of the profiled plug as a protective shell of the welding point. When the mating plug is inserted into the connector, the tail of the probe is connected to the test lead wire through soldering, and the welding point is surrounded inside the plug housing. Through this structural design, the operator directly contacts the welding point when pushing the mating plug is avoided, the welding point is effectively prevented from breaking, and the stability of the test is improved.

[0036] In order to improve the convenience and detection efficiency of the mating plug, the utility model discloses a sliding groove 10 fixedly arranged below the supporting plate 6, and the sliding groove 10 moves along the straight sliding rail 5.

[0037] The straight sliding rail 5 is provided with a screw hole 7, the straight sliding rail 5 is fixed on the test tool through a screw, the mating plug slides on the test tool along the straight sliding rail, and the mating plug slides to a predetermined position through the straight sliding rail 5 and is inserted into the connector of the product to be tested, so that the mating plug is conveniently inserted into the connector. Meanwhile, the product to be tested is fixed on the test tool, the straight sliding rail is fixed on the test tool corresponding to the position of the product to be tested, the mating plug moves along the straight sliding rail and is accurately inserted into the connector of the product to be tested, and the accuracy of insertion and the plug-in efficiency are improved.

[0038] In order to improve the stability and accuracy of the mating plug in the process of testing the product, the utility model discloses a fixing pin 3 arranged on the mating plug, which is used for fixing the position of the plug after the mating plug is inserted into the connector. The bottom of the plug housing 4 is provided with a supporting plate 6, and the supporting plate 6 is provided with a fixing hole one. The test tool is provided with a fixing hole two corresponding to the fixing hole one, and the mating plug is fixed on the test tool through the fixing pin 3 after being inserted into the connector.

[0039] Working principle: the mating plug is fixed on the test tool through a screw; the product to be tested is also fixed on the test tool; the operator holds the tail of the mating plug and pushes the mating plug along the straight sliding rail, and then the plug is inserted into the connector; then, the mating plug is fixed on the test tool through the fixing pin, so that the stable connection between the plug and the connector is ensured; and the test equipment is started to test.

[0040] The utility model introduces a kind of butt plug for electric measuring machine, the design of plug shell, solve the butt plug in prior art in the process of testing product, soldering tin silk itself fragile and easy to break and the problem of soldering tin point easy to break by external force.(1) improve production efficiency: by optimizing butt plug structure, reduce the risk of soldering point fracture, improve the continuity and efficiency of test.(2) improve product yield: ensure the stable connection of test lead and probe, avoid the test failure caused by the fracture of force soldering point.(3) reduce equipment maintenance frequency: by protecting soldering point, reduce the equipment maintenance frequency and unnecessary manpower and consumable cost caused by soldering point fracture, save cost.

[0041] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A connector for an electrical testing machine, characterized in that: The docking plug includes a conformal plug (1), a probe (2), and a plug housing (4). The conformal plug (1) is adapted to connect with the connector of the product under test; The probe (2) is disposed inside the conformal plug (1) and contacts the PIN pin of the connector; The plug housing (4) is located at the tail of the conformal plug (1).

2. The mating plug for an electrical testing machine according to claim 1, characterized in that: The plug housing (4) is provided with a probe hole at the corresponding position of the conformal plug (1); the front end of the probe (2) is disposed inside the conformal plug (1), and the tail end of the probe (2) extends into the plug housing (4) and is connected to the test instrument through a test wire.

3. The mating plug for an electrical testing machine according to claim 1, characterized in that: The bottom of the plug housing (4) is provided with a support plate (6), and a fixing hole is reserved on the support plate (6).

4. A connector for an electrical testing machine according to claim 3, characterized in that: A sliding groove (10) is fixedly provided below the support plate (6), and the sliding groove (10) moves along the straight slide rail (5).

5. A connector for an electrical testing machine according to claim 4, characterized in that: The straight slide rail (5) is fixed on the test fixture, and the docking plug slides to the predetermined position through the straight slide rail (5) and is plugged into the connector of the product under test.

6. A connector for an electrical testing machine according to claim 3, characterized in that: The test fixture has a second fixing hole corresponding to the first fixing hole. After the plug is connected to the connector, the plug is fixed on the test fixture by the fixing pin (3).

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