Butterfly lock catch screwing fatigue testing device

Abstract

The utility model relates to a butterfly lock catch screwing fatigue testing device, which is characterized in that a rotating cylinder is fixedly mounted on a bottom plate of an L-shaped mounting frame, a cylinder shaft of the rotating cylinder is sleeved with a clamping shaft, a vertical plate of the L-shaped mounting frame is provided with a penetrating hole, the clamping shaft penetrates through the penetrating hole to be matched with the cylinder shaft, and a butterfly lock catch is mounted at the end part of the clamping shaft in a clamping manner; a left limiting block and a right limiting block are installed on the portions, located on the two sides of the penetrating hole, of the surface of a vertical plate of the L-shaped installation frame respectively, a rolling wheel is arranged on the clamping shaft, the rotating air cylinder drives the clamping shaft to drive the butterfly lock catch to rotate, and the left limiting block and the right limiting block make contact with the rolling wheel to limit the clamping shaft. The device is firm in structural connection and convenient to operate, and the fatigue strength of the linkage structure of the butterfly lock catch is tested through reciprocating rotation of the clamping shaft, so that the service life of the butterfly lock catch is detected.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging testing, and in particular relates to a butterfly lock screw-on fatigue testing device. Background Art

[0002] Aviation and military equipment may need to be moved, transported, stored, and used multiple times during their life cycle. Their supporting packaging should also meet the needs of multiple recycling. Because butterfly locks are more secure and convenient than ordinary locks, they are a new type of lock that has undergone a butterfly upgrade from traditional locks. They are currently widely used in packaging fields such as aviation boxes, military boxes, and instrument boxes.

[0003] This type of packaging has relatively strict standards for convenience, maneuverability, and recyclability during transportation. Assessing the lifespan of the metal components of the supporting military boxes is an important part of evaluating their reliability. Therefore, performance testing of the butterfly lock is also essential. As a lock, the butterfly lock's screw fatigue performance is an important assessment factor.

[0004] However, the current research on the fatigue performance of butterfly lock screwing is limited to software simulation, and the fatigue test research on the limit number of lock screwing times is still in a blank stage, and there is no professional equipment to detect it. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a butterfly lock buckle rotation fatigue test device to complete the rotation fatigue test of the butterfly lock buckle.

[0006] The utility model solves the technical problem by the following technical solutions:

[0007] A butterfly lock screwing fatigue test device comprises an L-shaped mounting frame, a rotating cylinder is fixedly mounted on the bottom plate of the L-shaped mounting frame, a clamping shaft is sleeved on the cylinder shaft of the rotating cylinder, a through-hole is provided on the vertical plate of the L-shaped mounting frame, the clamping shaft passes through the through-hole and cooperates with the cylinder shaft, the end of the clamping shaft clamps and mounts the butterfly lock, a left limit block and a right limit block are respectively installed on the surface of the vertical plate of the L-shaped mounting frame on both sides of the through-hole, a roller is provided on the clamping shaft, the rotating cylinder drives the clamping shaft to drive the butterfly lock to rotate, and the left limit block and the right limit block contact with the roller to limit the clamping shaft.

[0008] Moreover, a card slot is axially provided at the end of the clamping shaft, and the butterfly lock buckle is inserted into the card slot to complete the fixation with the clamping shaft.

[0009] Moreover, a limit lever is obliquely provided on the left limit block and the right limit block, and an arc-shaped protrusion is provided on the end of the limit lever.

[0010] Moreover, the through hole is located at the center of the vertical plate of the L-shaped mounting frame.

[0011] Moreover, there is a certain distance between the rotary cylinder and the vertical plate of the L-shaped mounting frame.

[0012] The advantages and beneficial effects of the utility model are:

[0013] 1. The butterfly lock screw-on fatigue test device of the utility model has a firm structural connection and is easy to operate. The fatigue strength of the linkage structure of the butterfly lock is tested by the reciprocating rotation of the clamping shaft, thereby detecting its service life.

[0014] 2. The butterfly lock screwing fatigue test device of the present invention has a card slot axially provided at the end of the clamping shaft. The butterfly lock is inserted into the card slot to complete the fixation with the clamping shaft, thereby ensuring the connection strength between the clamping shaft and the butterfly lock and preventing the butterfly lock from flying out during the rotation process.

[0015] 3. In the butterfly lock screwing fatigue test device of the present invention, a limit lever is obliquely provided on the left limit block and the right limit block, and an arc-shaped protrusion is provided on the end of the limit lever to ensure flexible contact with the limit block when the clamping shaft is limited during rotation, thereby preventing wear and damage to the clamping shaft roller.

[0016] 4. The butterfly lock screw-on fatigue test device of the present invention has a mounting hole located at the center of the vertical plate of the L-shaped mounting frame, which ensures the connection strength and the centering of the clamping shaft, thereby ensuring rotational stability.

[0017] 5. In the butterfly lock screwing fatigue test device of the present invention, there is a certain distance of spacing between the rotating cylinder and the vertical plate of the L-shaped mounting frame, which provides length space for the sleeve connection of the cylinder shaft and the clamping shaft, ensuring a stable connection between the cylinder shaft and the clamping shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is another structural diagram of the present invention (with the clamping shaft disassembled);

[0020] Figure 3 This is the main view of the utility model;

[0021] Figure 4 It is a left view of the utility model.

[0022] Description of Reference Numerals

[0023] 1-L-shaped mounting frame, 2-rotating cylinder, 3-cylinder shaft, 4-clamping shaft, 5-mounting hole, 6-left limit block, 7-right limit block, 8-roller, 9-slot, 10-limit lever, 11-arc-shaped protrusion, 12-interval, 13-vertical plate, 14-bottom plate. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below through specific embodiments. The following embodiments are merely illustrative and non-restrictive, and should not be used to limit the scope of protection of the present invention.

[0025] A butterfly lock screwing fatigue test device, whose innovation lies in: comprising an L-shaped mounting frame 1, a rotating cylinder 2 is fixedly installed on the bottom plate 14 of the L-shaped mounting frame 1, a clamping shaft 4 is sleeved on the cylinder shaft 3 of the rotating cylinder 2, a through-hole 5 is provided on the vertical plate 13 of the L-shaped mounting frame 2, the clamping shaft 4 passes through the through-hole 5 and cooperates with the cylinder shaft 3, the end of the clamping shaft 4 clamps and installs the butterfly lock 5, the vertical plate surface of the L-shaped mounting frame 2 is located on both sides of the through-hole 5, and a left limit block 6 and a right limit block 7 are respectively installed, a roller 8 is provided on the clamping shaft 4, the rotating cylinder 2 drives the clamping shaft 4 to drive the butterfly lock 5 to rotate, and the left limit block 6 and the right limit block 7 contact with the roller 8 to limit the clamping shaft 4.

[0026] The utility model has a firm structural connection and is easy to operate. The fatigue strength of the linkage structure of the butterfly lock buckle is tested by the reciprocating rotation of the clamping shaft, thereby detecting its service life.

[0027] A card slot 9 is axially provided at the end of the clamping shaft 4, and the butterfly lock buckle 5 is inserted into the card slot 9 to complete the fixation with the clamping shaft 4, thereby ensuring the connection strength between the clamping shaft and the butterfly lock buckle and preventing the butterfly lock buckle from flying out during rotation.

[0028] The left limit block 6 and the right limit block 7 are both obliquely provided with a limit lever 10, and the end of the limit lever is provided with an arc-shaped protrusion 11 to ensure flexible contact with the limit block when the clamping shaft is limited during rotation, thereby preventing wear and damage to the clamping shaft roller.

[0029] The through hole 5 is located at the center of the vertical plate of the L-shaped mounting frame 2 to ensure the connection strength and the centering of the clamping axis, thereby ensuring the rotational stability.

[0030] There is a certain distance between the rotary cylinder 2 and the vertical plate of the L-shaped mounting frame 1. The space 12 provides a length space for the sleeve connection between the cylinder shaft and the clamping shaft, thereby ensuring a stable connection between the cylinder shaft and the clamping shaft.

[0031] The working principle of this utility model is:

[0032] After the rotating cylinder is air-intaked, the cylinder shaft drives the clamping shaft to rotate counterclockwise. When the roller on the clamping shaft touches the limit lever of the left limit block, the cylinder control valve controls the air intake reversal of the rotating cylinder, and the cylinder shaft rotates in the opposite direction. When it rotates to 180 degrees, the roller on the clamping shaft touches the limit lever of the right limit block, and the cylinder control valve controls the reversal of the rotating cylinder, and the cylinder shaft rotates counterclockwise again. This reciprocating motion is used to test the fatigue movement limit number of the butterfly lock on the box.

[0033] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will understand that various replacements, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A butterfly lock screwing fatigue test device, characterized by: The invention comprises an L-shaped mounting frame (1), a rotating cylinder (2) is fixedly mounted on the bottom plate of the L-shaped mounting frame (1), a clamping shaft (4) is sleeved on the cylinder shaft (3) of the rotating cylinder (2), a through hole (5) is provided on the vertical plate of the L-shaped mounting frame (2), the clamping shaft (4) passes through the through hole (5) and cooperates with the cylinder shaft (3), a butterfly lock buckle (15) is clamped and mounted on the end of the clamping shaft (4), a left limit block (6) and a right limit block (7) are respectively mounted on the surface of the vertical plate of the L-shaped mounting frame (2) on both sides of the through hole (5), a roller (8) is provided on the clamping shaft (4), the rotating cylinder (2) drives the clamping shaft (4) to drive the butterfly lock buckle (15) to rotate, and the left limit block (6) and the right limit block (7) contact the roller (8) to limit the clamping shaft (4).

2. The butterfly lock screw-on fatigue testing device according to claim 1, characterized in that: A clamping slot (9) is axially provided at the end of the clamping shaft (4), and the butterfly lock buckle (15) is clamped into the clamping slot (9) to complete the fixation with the clamping shaft (4).

3. The butterfly lock screw-on fatigue testing device according to claim 1, characterized in that: A limit lever (10) is obliquely provided on both the left limit block (6) and the right limit block (7), and an arc-shaped protrusion (11) is provided at the end of the limit lever.

4. The butterfly lock screw-on fatigue testing device according to claim 1, characterized in that: The through hole (5) is located at the center of the vertical plate of the L-shaped mounting frame (2).

5. The butterfly lock screw-on fatigue testing device according to claim 1, characterized in that: There is a certain distance between the rotating cylinder (2) and the vertical plate of the L-shaped mounting frame (1).

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