A test instrument cable connection device

Abstract

The present invention discloses a test instrument cable connection device, which belongs to the field of equipment connection technology. It includes a base plate, a support base, an optical axis, a jig block, a correction cover, a jig positioning axis, a straight head fixing block, a locking block push rod, a locking block, a tension spring, a screw support seat, a screw, a stepper motor, a motor seat, a screw slider, and a probe seat. After the test cable of the test instrument is fixed to the jig block, the stepper motor drives the screw to drive the jig block connected to the screw slider, so that the jig blocks on the left and right sides of the device are pushed forward at the same time, and the test instrument cable is inserted into the sockets on the left and right sides of the object to be tested. The rotating block of the probe seat is flipped down, and the probe is inserted into the multi-core socket at the upper end of the object to be tested. The advantages of the present invention are: the test efficiency is greatly improved; the straight head fixing block and the locking block of the plug-in test instrument cable can flexibly adjust the position, and are suitable for various models and specifications of equipment to be tested, and have a certain degree of versatility.

Description

Technical Field

[0001] The present invention relates to the technical field of equipment connection, in particular to a test instrument cable connection device. Background Art

[0002] With the rapid development of science and technology in my country, various types of automated electronic equipment have been widely used in key sectors of the national economy, such as aerospace, defense, and military industries. Before electronic equipment enters the market, device testing is essential. During device testing, the device under test is connected to an external test instrument via a test cable, which then tests the device for compliance. Connecting the test cable to the device is the most tedious step. Most electronic equipment manufacturers require multiple manual insertions and removals of test cables during product testing, significantly reducing testing efficiency. Therefore, improving the efficiency of test cable connections is a pressing issue. Summary of the Invention

[0003] In view of this, the present invention provides a test instrument cable connection device, which is applicable to various models and specifications of devices to be tested and has a certain degree of versatility.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] A test instrument cable connection device, comprising a base plate 1, a support base 2, an optical axis 3, a fixture block 4, a correction cover 5, a fixture positioning cylinder 6, a lead screw support seat 11, a bidirectional lead screw 12 and a stepping motor 13;

[0006] The screw support seat 11, the stepper motor 13 and the support base are all fixed to the upper surface of the base plate, and the screw support seat and the stepper motor are respectively located on both sides of the support base; the bidirectional screw is arranged parallel to the upper surface of the base plate, one end of the bidirectional screw is connected to the screw support seat, and the other end is connected to the output shaft of the stepper motor; the bidirectional screw passes through the support base and has the freedom of rotation in the support base;

[0007] The jig block 4 includes a left jig block 401 and a right jig block 402, which are respectively located on either side of the support base and are respectively fixed to the corresponding nuts of the bidirectional lead screws; wherein, the upper ends of the left jig block and the right jig block are connected to the correction cover plate, and the left jig block 401 and the right jig block 402 are each provided with two fixing holes, and the jig positioning cylinder 6 is disposed in the fixing holes;

[0008] The optical axis 3 is inserted into the fixture positioning cylinder 6 to achieve mutual guidance and positioning between the support base 2 and the fixture block;

[0009] A wall plate extending toward one side is provided on the top of the support base, and the wall plate is connected to the top surface of the support base through a rib located on one side of the top surface of the support base; the object to be measured 17 is placed close to the rib; a through hole for cooperating with the optical axis 3 is provided on the side of the support base;

[0010] The optical axis 3 includes a first optical axis and a second optical axis that are parallel to each other. The first optical axis and the second optical axis are respectively inserted into the through hole of the support base 2 and can move axially along the through hole of the support base 2;

[0011] The stepper motor drives the screw of the bidirectional screw to rotate, driving the fixture block connected to the nut, the left fixture block and the right fixture block to move closer to the middle, and the test instrument cable 18 is inserted into the sockets on the left and right sides of the object under test 17.

[0012] Furthermore, the stepper motor is fixed to the base plate through a motor base.

[0013] Furthermore, it also includes a straight head fixing block 7, which is installed on the inner side of the fixture block 4 by bolts. The installation position of the straight head fixing block 7 corresponds to the socket position of the object under test 17, and is used to fix and adjust the plug of the cable so that the cable can be accurately inserted into the socket of the object under test; a cable docking hole is provided at the center of the straight head fixing block 7 to cooperate with the test instrument cable 18.

[0014] Furthermore, it also includes a locking block push rod. The side of the left jig block 401 is provided with a rectangular through hole that cooperates with the locking block push rod 8, and the locking block push rod 8 is inserted into the rectangular through hole of the left jig block 401; the locking block push rod 8 is connected to the locking block 9 by bolts, and the locking block 9 is located on the upper surface of the support base and can move on the upper surface of the support base 2.

[0015] Furthermore, the fixture positioning cylinder 6 is interference fit with the fixing hole.

[0016] Furthermore, it also includes a tension spring, one end of which is fixedly connected to the left fixture block 401, and the other end is connected to the locking block push rod 8 through a hook; when the left fixture block 401 drives one end of the tension spring 10 to move toward the object to be measured 17, the tension spring 10 uses its elastic force to pull the locking block push rod 8 to move, thereby driving the locking block 9 to advance toward the object to be measured until the object to be measured 17 is clamped;

[0017] There are multiple fixing through holes distributed on the upper end of the locking block 9; the locking block push rod 8 is connected to different fixing through holes on the upper end of the locking block 9, which can be applied to clamp objects 17 of different specifications.

[0018] Furthermore, it also includes a probe seat, and the probe seat 16 is composed of a probe tube 1601, a fixed block 1602, a rotating block 1603, a socket block 1604 and a probe 1605; wherein, the probe tube 1601 is composed of a probe rod and a nut, which is used to connect the fixed block 1602 to the support base 2; one end of the rotating block is hinged to the fixed block, and the bottom of the other end is connected to the socket block 1604, and a plurality of probes 1605 are provided on the socket block 1604; when the rotating seat rotates downward, the probe 1605 can be inserted into the multi-core socket of the object to be measured 17.

[0019] The beneficial effects of the above technical solution of the present invention are:

[0020] 1. The present invention does not require manual repetition of connecting the test instrument cable to the socket of the device under test. Instead, the control device controls the present invention to automatically connect the test instrument cable to the socket of the device under test, thereby greatly improving the test efficiency.

[0021] 2. The straight head fixing block and the locking block of the plug-in test instrument cable of the present invention can be flexibly adjusted in position, and are applicable to various models and specifications of equipment to be tested, and have a certain degree of versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the structure of an embodiment of the present invention.

[0023] Figure 2 Schematic diagram of a fixture block and a bidirectional lead screw slider according to an embodiment of the present invention.

[0024] Figure 3 Schematic diagram of a jig positioning cylinder according to an embodiment of the present invention.

[0025] Figure 4 It is a schematic structural diagram of an embodiment of the present invention in a tooling state.

[0026] Figure 5 Schematic diagram of the support base structure according to an embodiment of the present invention.

[0027] Figure 6 Schematic diagram of the structure of the probe seat according to an embodiment of the present invention.

[0028] In the figure, 1: base plate; 2: support base; 3: optical axis; 4: fixture block; 5: correction cover; 6: fixture positioning cylinder; 7: straight head fixing block; 8: locking block push rod; 9: locking block; 10: tension spring; 11: screw support seat; 12: bidirectional screw; 13: stepper motor; 14: motor seat; 15: screw slider; 16: probe seat; 17: object to be measured; 18: test instrument cable; 401: left fixture block; 402: right fixture block; 1601: probe tube; 1602: fixing block; 1603: rotating block; 1604: socket block; 1605: probe. DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] A test instrument cable automatic connection device includes a base plate 1, a support base 2, an optical axis 3, a fixture block 4, a correction cover 5, a fixture positioning cylinder 6, a straight head fixing block 7, a locking block push rod 8, a locking block 9, a tension spring 10, a screw support base 11, a screw 12, a stepping motor 13, a motor base 14, a screw slider 15, and a probe base 16.

[0032] After the test cable 18 of the test instrument is fixed to the fixture block 4, the stepper motor 13 drives the lead screw 12, which drives the fixture block 4 connected to the lead screw slider 15, so that the fixture blocks 4 on the left and right sides of the device are pushed forward simultaneously, and the test instrument cable 18 is inserted into the sockets on the left and right sides of the object under test 17;

[0033] The rotating block 1603 of the probe base 16 is turned down, and the probe 1605 is inserted into the multi-core socket at the upper end of the object to be measured 17.

[0034] The bottom plate 1 is the carrier plate of the entire device.

[0035] The support base 2 is an integrated structure and is fixed on the base plate 1; a rib is provided in the second height area of the support base 2, and the object to be measured 17 is placed close to the rib; a through hole is provided on the side of the second height area of the support base 2 to cooperate with the optical axis 3.

[0036] The optical axis 3 is divided into a first optical axis and a second optical axis. The two optical axes have the same structure and are respectively inserted into the through holes of the support base 2 and move axially along the through holes of the support base 2.

[0037] The jig block 4 is divided into a left jig block 401 and a right jig block 402, the left jig block 401 is arranged on the left side of the support base 2, and the right jig block 402 is arranged on the right side of the support base 2; the upper ends of the left jig block 401 and the right jig block 402 are fixedly connected to the correction cover 5; Figure 3 , one side of the left jig block 401 and the right jig block 402 are provided with two through holes, and the jig positioning cylinder 6 is arranged in the through holes, and the jig positioning cylinder 6 is interference fit with the through holes;

[0038] A through hole cooperating with the optical axis 3 is provided at the center of the jig positioning cylinder 6 , and the optical axis 3 is inserted into the through hole of the jig positioning cylinder 6 to achieve mutual guidance and positioning of the support base 2 and the jig block 4 .

[0039] The straight head fixing block 7 is mounted on the inner side of the fixture block 4 by bolts. The installation position of the straight head fixing block 7 is related to the socket position of the object under test 17. It is used to fix and adjust the plug of the cable so that the cable can be accurately inserted into the socket of the object under test. A through hole is provided at the center of the straight head fixing block 7 to match the test instrument cable 18.

[0040] A rectangular through hole is provided on the side of the left jig block 401 to match the locking block push rod 8, and the locking block push rod 8 is inserted into the rectangular through hole of the left jig block 401; the locking block push rod 8 is connected to the locking block 9 by bolts, and the locking block 9 is placed on the surface of the support base 2.

[0041] One end of the tension spring 10 is fixedly connected to the left fixture block 401, and the other end is connected to the locking block push rod 8 through a hook; when the left fixture block 401 drives one end of the tension spring 10 to move toward the object to be measured 17, the tension spring 10 uses its elastic force to pull the locking block push rod 8 to move, thereby driving the locking block 9 to advance toward the object to be measured until it clamps the object to be measured 17;

[0042] There are multiple fixing through holes distributed on the upper end of the locking block 9. The locking block push rod 8 is connected to different fixing through holes on the upper end of the locking block 9, which can be used to clamp objects 17 of different specifications.

[0043] The screw support seat 11 is fixed to the base plate 1; one end of the screw rod 12 is connected to the screw support seat 11, and the other end is connected to the output shaft of the stepper motor 13; the stepper motor 13 is fixed to the base plate 1 through the motor seat 14;

[0044] The screw rod 12 is a bidirectional forward and reverse screw rod, and the screw rod slider 15 is inserted into the screw rod 12 through its central through hole and fixedly connected to the fixture block 4; the stepper motor 13 drives the screw rod 12 to drive the fixture block 4 connected to the screw rod slider 15 to move.

[0045] Probe base 16 consists of a probe tube 1601, a fixed block 1602, a rotating block 1603, a socket block 1604, and probes 1605. Probe tube 1601, consisting of a probe rod and a nut, connects fixed block 1602 to support base 2. Fixed block 1602 and rotating block 1603 are connected by an electric hinge. Socket block 1604, mounted on multiple probes 1605, is attached to the bottom of rotating block 1603. The rotating base flips down, allowing probes 1605 to be inserted into the multi-core sockets of the object under test 17.

[0046] The following is a more specific embodiment:

[0047] Reference Figure 1 、 Figure 2 、 Figure 3 The device includes a base plate 1, a support base 2, an optical axis 3, a fixture block 4, a correction cover 5, a fixture positioning cylinder 6, a straight head fixing block 7, a locking block push rod 8, a locking block 9, a tension spring 10, a screw support base 11, a screw 12, a stepping motor 13, a motor base 14, a screw slider 15, and a probe base 16.

[0048] Reference Figure 4 In the embodiment of the present invention, the object under test 17 has a socket on the left side, two sockets on the right side, and a multi-core socket on the top;

[0049] The bottom plate 1 is the carrier plate of the entire device;

[0050] Reference Figure 5 The support base 2 is an integrated structure and is fixed on the base plate 1; a rib is provided in the second height area of the support base 2, and the object to be measured 17 is placed close to the rib; a through hole is provided on the side of the second height area of the support base 2 to cooperate with the optical axis 3;

[0051] The optical axis 3 is divided into a first optical axis and a second optical axis. The two optical axes have the same structure and are respectively inserted into the through hole of the support base 2 and move axially along the through hole of the support base 2;

[0052] The jig block 4 is divided into a left jig block 401 and a right jig block 402, the left jig block 401 is arranged on the left side of the support base 2, and the second configuration block 402 is arranged on the right side of the support base 2; the upper ends of the left jig block 401 and the right jig block 402 are fixedly connected to the correction cover 5; Figure 3 , one side of the left jig block 401 and the right jig block 402 are provided with two through holes, and the jig positioning cylinder 6 is arranged in the through holes, and the jig positioning cylinder 6 is interference fit with the through holes;

[0053] A through hole is provided at the center of the jig positioning cylinder 6 to match the optical axis 3. The optical axis 3 is inserted into the through hole of the jig positioning cylinder 6 to achieve mutual guidance and positioning of the support base 2 and the jig block 4.

[0054] The straight head fixing block 7 is mounted on the inner side of the fixture block 4 by bolts. The installation position of the straight head fixing block 7 is related to the socket position of the object under test 17. It is used to fix and adjust the plug of the cable so that the cable can be accurately inserted into the socket of the object under test. A through hole is provided at the center of the straight head fixing block 7 to match the test instrument cable 18.

[0055] A rectangular through hole is provided on the side of the left jig block 401 to match the locking block push rod 8. The locking block push rod 8 is inserted into the rectangular through hole of the left jig block 401. The locking block push rod 8 is connected to the locking block 9 by bolts, and the locking block 9 is placed on the surface of the support base 2.

[0056] One end of the tension spring 10 is fixedly connected to the left fixture block 401, and the other end is connected to the locking block push rod 8 through a hook; when the left fixture block 401 drives one end of the tension spring 10 to move toward the object to be measured 17, the tension spring 10 uses its elastic force to pull the locking block push rod 8 to move, thereby driving the locking block 9 to advance toward the object to be measured until it clamps the object to be measured 17;

[0057] The upper end of the locking block 9 is provided with a plurality of fixing through holes, and the locking block push rod 8 is connected to different fixing through holes on the upper end of the locking block 9, which can be applied to clamp objects 17 of different specifications;

[0058] The screw support seat 11 is fixed to the base plate 1; one end of the screw rod 12 is connected to the screw support seat 11, and the other end is connected to the output shaft of the stepper motor 13; the stepper motor 13 is fixed to the base plate 1 through the motor seat 14;

[0059] The screw rod 12 is a bidirectional forward and reverse screw rod, and the screw rod slider 15 is inserted into the screw rod 12 through its central through hole and is fixedly connected to the fixture block 4; the stepper motor 13 drives the screw rod 12, driving the fixture block 4 connected to the screw rod slider 15 to move;

[0060] Reference Figure 6 The probe base 16 consists of a probe tube 1601, a fixed block 1602, a rotating block 1603, a socket block 1604, and probes 1605. The probe tube 1601, consisting of a probe rod and a nut, connects the fixed block 1602 to the support base 2. The fixed block 1602 and the rotating block 1603 are connected by an electric hinge. The bottom of the rotating block 1603 is connected to the socket block 1604, which is equipped with multiple probes 1605. When the rotating base is flipped down, the probes 1605 can be inserted into the multi-core sockets of the object under test 17.

[0061] The above description is merely an embodiment of the present invention, but the present invention is not limited to the embodiment. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit and principles of the present invention, and these equivalent modifications or substitutions are all within the scope defined by the claims of this application.

Claims

1. A test instrument cable connection device, characterized in that: It includes a base plate (1), a support base (2), an optical axis (3), a fixture block (4), a correction cover (5), a fixture positioning cylinder (6), a screw support seat (11), a bidirectional screw (12) and a stepping motor (13); The screw support seat (11), the stepper motor (13) and the support base are all fixed to the upper surface of the base plate, and the screw support seat and the stepper motor are respectively located on both sides of the support base; the bidirectional screw is arranged parallel to the upper side of the base plate, one end of the bidirectional screw is connected to the screw support seat, and the other end is connected to the output shaft of the stepper motor; the bidirectional screw passes through the support base and has a degree of freedom of rotation in the support base; The jig block (4) includes a left jig block (401) and a right jig block (402), the left jig block and the right jig block are respectively located on both sides of the support base and are respectively fixed on the screw nuts corresponding to the bidirectional lead screw; wherein, the upper ends of the left jig block and the right jig block are connected to a correction cover plate, and the left jig block (401) and the right jig block (402) are each provided with two fixing holes, and a jig positioning cylinder (6) is arranged in the fixing hole; The optical axis (3) is inserted into the fixture positioning cylinder (6) to achieve mutual guidance and positioning between the support base (2) and the fixture block; A wall plate extending toward one side is provided above the top of the support base, and the wall plate is connected to the top surface of the support base via a retaining edge located on one side of the top surface of the support base; the object to be measured (17) is placed close to the retaining edge; a through hole for cooperating with the optical axis (3) is provided on the side surface of the support base; The optical axis (3) comprises a first optical axis and a second optical axis which are parallel to each other, and the first optical axis and the second optical axis are respectively inserted into the through hole of the support base (2) and can move axially along the through hole of the support base (2); The stepper motor drives the screw of the bidirectional screw to rotate, driving the fixture block connected to the nut, the left fixture block and the right fixture block to move closer to the middle, and inserting the test instrument cable (18) into the sockets on the left and right sides of the object under test (17); The stepper motor is fixed to the base plate through the motor base; The apparatus further comprises a straight head fixing block (7), which is mounted on the inner side of the fixture block (4) by means of bolts. The mounting position of the straight head fixing block (7) corresponds to the socket position of the object under test (17), and is used to fix and adjust the plug of the cable so that the cable can be accurately inserted into the socket of the object under test. A cable docking hole for matching with the test instrument cable (18) is provided at the center of the straight head fixing block (7).

2. A test instrument cable connection device according to claim 1, characterized in that: The left fixture block (401) further comprises a locking block push rod, wherein a rectangular through hole matching the locking block push rod (8) is provided on the side surface of the left fixture block (401), and the locking block push rod (8) is inserted into the rectangular through hole of the left fixture block (401); the locking block push rod (8) is connected to the locking block (9) by bolts, and the locking block (9) is located on the upper surface of the support base and can move on the upper surface of the support base (2).

3. A test instrument cable connection device according to claim 1, characterized in that: The jig positioning cylinder (6) is interference-fitted with the fixing hole.

4. A test instrument cable connection device according to claim 2, characterized in that: It also includes a tension spring, one end of which is fixedly connected to the left fixture block (401), and the other end is connected to the locking block push rod (8) through a hook; when the left fixture block (401) drives one end of the tension spring (10) to move in the direction of the object to be measured (17), the tension spring (10) uses elastic force to pull the locking block push rod (8) to move, thereby driving the locking block (9) to advance in the direction of the object to be measured until the object to be measured (17) is clamped; The upper end of the locking block (9) is provided with a plurality of fixing through holes; the locking block push rod (8) is connected to different fixing through holes on the upper end of the locking block (9), and can be used to clamp objects (17) of different specifications.

5. The test instrument cable connection device according to claim 1, characterized in that: The invention also includes a probe base, wherein the probe base (16) is composed of a probe tube (1601), a fixed block (1602), a rotating block (1603), a socket block (1604) and a probe (1605); wherein the probe tube (1601) is composed of a probe rod and a nut, and is used to connect the fixed block (1602) to the support base (2); one end of the rotating block is hinged to the fixed block, and the bottom of the other end is connected to the socket block (1604), and a plurality of probes (1605) are provided on the socket block (1604); when the rotating base rotates downward, the probe (1605) can be inserted into the multi-core socket of the object to be measured (17).

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