CN208012792U - A kind of stitch retentivity measurement jig - Google Patents

Abstract

The utility model relates to a fixture for testing stitch holding force, which comprises a base, a digital display push-pull gauge, an adjustable wrench, a slide table, a screw rod and a slider; the upper end of the base is provided with a fixing frame, and the digital display push-pull The force meter is located at the top of the fixed frame, the adjustable wrench is arranged on the upper end surface of the base, the slide table is movably connected with the upper end surface of the base through a slide rail, and the slide table is connected with the telescopic part of the adjustable wrench through a connecting rod. The screw rod is movably connected with the slide table through the bearing frame. One end of the screw rod is coaxially provided with a hand wheel. The slider is located between the bearing frames and the screw rod runs through the slider. The slider is provided with a quick toggle clamp and positioning grooves. The utility model relates to a fixture for testing the holding force of pins, which can sequentially perform the same holding force test on a plurality of pins on a connector, has high precision and is convenient for implementation.

Description

A pin retention test fixture

technical field

The utility model relates to a force detection jig, in particular to a stitch retention force test jig.

Background technique

Connector products are usually provided with pins arranged in a linear array. The pins are used to contact with the conductor to realize the function of electrical connection.

Since the connector needs to face multiple plugging and unplugging operations, in order to prevent the pins from falling off during the plugging and unplugging process, it is necessary to detect the connection retention force between the connector pins and the plastic shell of the connector.

Most of the existing detection methods are manually hand-held common portable force detection devices for detection. However, manual hand-held detection cannot guarantee the consistency of the force application direction, and the accuracy is low, and testing multiple pins will consume a large amount of human labor and is inconvenient to implement.

Utility model content

The purpose of the utility model is to provide a pin holding force test fixture, which can sequentially perform the same holding force test on a plurality of pins on the connector, with high precision and convenient implementation.

In order to achieve the above object, the utility model provides the following technical solutions:

A pin retention test fixture, comprising a base, a digital push-pull gauge, an adjustable wrench, a slide table, a screw rod and a slider; the upper end of the base is provided with a fixing frame, and the digital push-pull gauge is located The top of the frame, the adjustable wrench is set on the upper end surface of the base, the slide table is movably connected with the upper end surface of the base through a slide rail, the slide table is connected with the telescopic part of the adjustable wrench through a connecting rod, and the screw rod passes through the bearing The frame is movably connected with the slide table, one end of the screw rod is coaxially provided with a hand wheel, the slider is located between the bearing frames and the screw rod runs through the slider, and the slider is provided with a quick toggle clamp and a positioning groove .

Further, a limit pin is arranged on the side of the bearing frame close to the side of the handwheel, and the limit pin is connected with the bearing frame through a connecting block, and a spring is arranged at the end of the limit pin away from the axis of the handwheel, and the end of the handwheel Dimples are arranged on the side circumferential surface, and the positions of the limit pins correspond to the dimples.

Further, the upper and lower positions of the quick toggle clamp correspond to the positioning groove, and the positioning groove corresponds to the position of the detection end of the digital push-pull force gauge.

Further, the axis of the screw rod is perpendicular to the straight line where the detection end of the digital display push-pull gauge is located; the straight line where the detection end of the digital display push-pull gauge is located is parallel to the slide rail and the telescopic part of the adjustable wrench.

The beneficial effect of the utility model is: a stitch holding force test fixture, through the cooperation of digital display push-pull gauge, adjustable wrench, slide table, slide rail, bearing frame, screw rod, hand wheel, slider and quick elbow clamp Using it, the same retention force test can be performed on multiple pins arranged in a linear array on the connector in turn, which can ensure the consistency of each pin test, and the accuracy is higher. Compared with the original manual hand-held test It can reduce the labor intensity of manpower and facilitate the implementation.

Description of drawings

Fig. 1 is a front view of the overall structure of a pin retention test fixture of the present invention.

Fig. 2 is a top view of the overall structure of a pin retention test fixture of the present invention.

Fig. 3 is an axonometric view of the overall structure of a stitch retention test fixture of the present invention.

Fig. 4 is a structural schematic diagram of a hand wheel and a limit pin of a stitch retention test fixture of the present invention.

In the figure: 1. Base; 2. Fixed frame; 3. Digital display push-pull gauge; 4. Adjustable wrench; 5. Connecting rod; 6. Slide table; 7. Slide rail; 8. Bearing frame; 9. Screw rod ;10, hand wheel; 11, slider; 12, quick toggle clamp; 13, positioning groove; 14, limit pin; 15, concave point.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Fig. 1 to Fig. 4, a pin holding power test fixture includes a base 1, a digital push-pull force gauge 3, an adjustable wrench 4, a slide table 6, a screw rod 9 and a slider 11; the upper end of the base 1 A fixed frame 2 is provided, and the digital display push-pull meter 3 is located at the top of the fixed frame 2, and the digital display push-pull meter 3 is used to detect and display the push force on the connector pins, that is, the holding force; the adjustable wrench 4 is set On the upper end surface of the base 1, the sliding table 6 is movably connected with the upper end surface of the base 1 through the slide rail 7, and the sliding table 6 is connected with the telescoping part of the adjustable wrench 4 through the connecting rod 5, and the adjustable wrench 4 is used for The sliding table 6 is driven to reciprocate in a straight line along the slide rail 7, and the screw rod 9 is movably connected with the sliding table 6 through the bearing frame 8. One end of the screw rod 9 is coaxially provided with a hand wheel 10, and the slider 11 is located on the bearing Between the frame 8 and the screw rod 9 runs through the slider 11, the screw rod 9 matches the threaded through hole on the slider 11, the screw rod 9 is used to drive the slider 11 to move horizontally, on the slider 11 A quick toggle clamp 12 and a positioning groove 13 are provided, the quick toggle clamp 12 is used for pressing the connector, and the positioning groove 13 is used for overall positioning of the connector.

A limit pin 14 is arranged on the side of the bearing frame 8 near the side of the handwheel 10, and the limit pin 14 is connected with the bearing frame 8 through a connecting block. Dimples 15 are provided on the side circumference of the hand wheel 10 , and the positions of the limiting pins 14 correspond to the dimples 15 .

The upper and lower positions of the quick toggle clamp 12 correspond to the positioning groove 13, and the positioning groove 13 corresponds to the position of the detection end of the digital push-pull force gauge 3.

The axis of the screw rod 9 is perpendicular to the straight line where the detection end of the digital display push-pull gauge 3 is located;

The working principle of the utility model is: put the connector to be tested into the positioning groove 13 on the slider 11, then press the connector through the quick elbow clamp 12, and then pull the adjustable wrench 4 to make the sliding table 6 along the The slide rail 7 moves toward the direction of the digital display push-pull gauge 3, and the detection end of the digital display push-pull gauge 3 gradually pushes against a certain pin on the connector, and displays the holding force value of the pin for the staff to read; then Pull the adjustable wrench 4 in the opposite direction to make the return table 6 move in the reverse direction, and then turn the hand wheel 10 to make the slider 11 move along the axial direction of the screw rod 9. During the rotation of the hand wheel 10, when the limit pin 14 pushes in When inside the concave point 15, the slide block 11 just moves the spacing distance of one stitch, so that the next stitch can be tested for holding force.

The above-mentioned embodiments are used to further illustrate the utility model, but the utility model is not limited to these specific implementations. All modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be understood as falling within the protection scope of the present utility model.

Claims (4)

1. A pin holding force test fixture is characterized in that: it comprises a base (1), a digital push-pull force gauge (3), an adjustable wrench (4), a slide table (6), a screw mandrel (9) and a slide block (11); the upper end of the base (1) is provided with a fixed frame (2), the digital display push-pull gauge (3) is located at the top of the fixed frame (2), and the adjustable wrench (4) is arranged on the base (1) The upper end surface, the slide table (6) is movably connected with the upper end surface of the base (1) through the slide rail (7), and the slide table (6) is connected with the adjustable wrench (4) through the connecting rod (5) The telescopic part is connected, and the screw rod (9) is flexibly connected with the slide table (6) through the bearing frame (8). One end of the screw rod (9) is coaxially provided with a handwheel (10), and the slider ( 11) It is located between the bearing frames (8) and the screw rod (9) runs through the slider (11), and the slider (11) is provided with a quick toggle clamp (12) and a positioning groove (13). 2. A pin retention test fixture according to claim 1, characterized in that: a limit pin (14) is provided on the side of the bearing frame (8) near the side of the hand wheel (10), and the limit pin (14) Connect the bearing frame (8) through the connecting block, the end of the limit pin (14) away from the axis of the handwheel (10) is provided with a spring, and the side circumference of the handwheel (10) is provided with a concave point (15), the position of the limit pin (14) corresponds to the concave point (15). 3. A pin retention test fixture according to claim 1, characterized in that: the quick toggle clamp (12) corresponds to the upper and lower positions of the positioning groove (13), and the positioning groove (13) ) corresponds to the position of the detection end of the digital push-pull gauge (3). 4. A test fixture for pin retention force according to claim 1, characterized in that: the axis of the screw mandrel (9) is perpendicular to the straight line where the detection end of the digital push-pull gauge (3) is located; The straight line where the detection end of the digital display push-pull gauge (3) is located is parallel to the telescopic part of the slide rail (7) and the adjustable wrench (4).