Lens barrel torsion test structure

Abstract

The utility model provides a lens cone torsion test structure, and relates to the technical field of torsion test. The lens cone torsion testing structure comprises a base, the outer surface of the base is connected with a first motor, the output shaft end of the first motor is connected with a first rotating rod, and the top end of the first rotating rod is connected with a first pinion. According to the lens cone torsion test structure, a lens cone is fixed on the outer surface of a fixing frame through cooperation of a first motor, a groove, a fixing plate and a fixing clamp, the first motor is started, the output shaft end of the first motor drives a first rotating rod to rotate, the first rotating rod drives a first gear to rotate, and the first gear drives a gear cylinder to rotate; according to the torsion testing device for the lens cone, the problem that the reliability of the torsion testing result of the lens cone is affected due to the fact that the torsion testing of most of the existing lens cones is basically carried out manually, and a certain force error exists in the manual testing, so that the testing result is inaccurate is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a torsion test structure, concretely is a lens barrel torsion test structure belongs to the technical field of torsion test. BACKGROUND

[0002] Lens assembly includes lens, lens barrel, focusing ring etc., these components need to carry out strict test in the manufacturing process to ensure that its performance meets the design requirement, torsion test can carry out torsion test to these components, evaluates its elastic modulus, yield strength etc.

[0003] However, most of the lens barrel torsion test is tested manually, manual test can exist certain force error, causes the test result to be inaccurate, thereby influence lens barrel torsion test result's reliability, for this, we provide a kind of lens barrel torsion test structure to solve the above problems. UTILITY MODEL CONTENT

[0004] To solve the above problems, the utility model provides a kind of lens barrel torsion test structure to solve the above problems, and the specific technical scheme is:

[0005] A kind of lens barrel torsion test structure, including base, the outer surface of the base is connected with motor one, the output shaft end of the motor one is connected with rotary rod one, the top end of the rotary rod one is connected with pinion one, the outer surface of the pinion one is engaged with gear cylinder, the upper surface of the base is provided with recess, the outer surface of the gear cylinder is slidably connected with the inner wall of recess, the outer surface of the gear cylinder is slidably connected with fixed plate, one end of the fixed plate is connected with fixed clamp.

[0006] Preferably, the outer surface of the fixed clamp is threadedly connected with screw rod, one end of the screw rod is connected with nut.

[0007] Preferably, the outer surface of the base is connected with motor two, the output shaft end of the motor two is connected with rotary rod two, the top end of the rotary rod two is connected with pinion two, the outer surface of the pinion two is engaged with the outer surface of gear cylinder.

[0008] Preferably, the inner wall of the recess is provided with side groove, the outer surface of the gear cylinder is connected with side plate, the outer surface of the side plate is slidably connected with the inner wall of side groove.

[0009] Preferably, the bottom surface of the base is connected with a fixing rod, and the outer surface of the fixing clamp is connected with rubber blocks which are uniformly distributed on the outer surface of the fixing clamp.

[0010] Preferably, the outer surface of the fixing plate is connected with a spring, and one end of the spring is connected with the outer surface of the gear cylinder.

[0011] Preferably, the fixing clamp is two in number and symmetrically distributed inside the base.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1、the lens barrel torsion test structure is through the cooperation between motor one, rotating rod one, gear cylinder, groove, fixing plate and fixing clamp, when using the device, the lens barrel is fixed on the outer surface of the fixing frame, the motor one is started, the output shaft end of the motor one drives the rotating rod one to rotate, the rotating rod one drives the gear one to rotate, the gear one drives the gear cylinder to rotate, so as to drive the lens barrel to rotate, and the lens barrel is subjected to torsion test, the problem that the existing lens barrel torsion test is basically manually tested, manual test can exist certain force error, causes the test result to be inaccurate, and influences the reliability of the lens barrel torsion test result is solved.

[0014] 2、the lens barrel torsion test structure is through the cooperation between fixing plate, fixing clamp, nut and spring, when using the device, when fixing the lens barrel, the screw rod is rotated, two fixing plates will be close, the rubber block is in contact with the outer surface of the lens barrel, and the spring is compressed, so as to fix the lens barrel, the distance between the two fixing plates can be adjusted through the arrangement of the spring, so as to be suitable for different sizes of lens barrels, and the application range of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the overall structure of the utility model;

[0016] Figure 2 It is a local structure sectional view of the utility model;

[0017] Figure 3 It is an exploded view of the local structure of the utility model;

[0018] Figure 4 It is the utility model Figure 1 It is an enlarged schematic view of the structure at A in the utility model;

[0019] Figure 5 It is the utility model Figure 1 It is an enlarged schematic view of the structure at B in the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS: 1, base; 2, motor one; 3, rotating rod one; 4, pinion one; 5, gear cylinder; 6, groove; 7, fixed plate; 8, fixed clamp; 9, screw; 10, nut; 11, motor two; 12, rotating rod two; 13, pinion two; 14, side groove; 15, side plate; 16, fixed rod; 17, rubber block; 18, spring. DETAILED DESCRIPTION

[0021] The utility model will be further described with reference to the drawings.

[0022] Please refer to Figures 1-5 As shown in the figure, a lens barrel torsion test structure, including base 1, the outer surface of base 1 is connected with motor one 2, the output shaft end of motor one 2 is connected with rotating rod one 3, the top end of rotating rod one 3 is connected with pinion one 4, the output shaft end of motor one 2 drives pinion one 4 to rotate through rotating rod one 3, provides power for pinion one 4, and is convenient to operate.

[0023] The outer surface of pinion one 4 is engaged with gear cylinder 5, the outer surface of base 1 is connected with motor two 11, the output shaft end of motor two 11 is connected with rotating rod two 12, the top end of rotating rod two 12 is connected with pinion two 13, the outer surface of pinion two 13 is engaged with the outer surface of gear cylinder 5, motor one 2 is positively rotated, motor two 11 is reversely rotated, the output shaft end of motor two 11 drives rotating rod two 12 to rotate, rotating rod two 12 drives pinion two 13 to rotate, pinion two 13 is engaged with gear cylinder 5, the outer surface of gear cylinder 5 is provided with a circle of teeth, can be engaged with pinion two 13, and the teeth are evenly distributed on the outer surface of gear cylinder 5.

[0024] The upper surface of base 1 is provided with groove 6, the outer surface of gear cylinder 5 is slidably connected with the inner wall of groove 6, the lower half of gear cylinder 5 is just clamped in the inside of groove 6, gear cylinder 5 will slide on the inner wall of groove 6, and there is lubricating oil on the inner wall of groove 6, which can reduce the friction between groove 6 and gear cylinder 5, facilitate the sliding of gear cylinder 5 on the inner wall of groove 6, the inner wall of groove 6 is provided with side groove 14, the outer surface of gear cylinder 5 is connected with side plate 15, the outer surface of side plate 15 is slidably connected with the inner wall of side groove 14, side groove 14 is distributed on the two sides of groove 6, and side plate 15 can be just clamped in the inside of side groove 14, two side plates 15 correspond to two side grooves 14, limit the rotation of gear cylinder 5, so that it cannot move up and down, but can only rotate horizontally, so that it rotates more stably, the outer surface of gear cylinder 5 is slidably connected with fixed plate 7, and one end of fixed plate 7 is connected with fixed clamp 8.

[0025] The fixing clamps 8 are symmetrical and distributed in the interior of the base 1, and the fixing clamps 8 are arc-shaped and can be well attached to the outer surface of the lens barrel to fix the lens barrel.

[0026] The outer surface of the fixing clamps 8 is threadedly connected with screw rods 9, one end of the screw rods 9 is connected with nuts 10, and the screw rods 9 are symmetrical and distributed in the interior of the base 1.

[0027] The outer surface of the fixing plates 7 is connected with springs 18, one end of the springs 18 is connected with the outer surface of the gear cylinder 5, and the springs 18 are symmetrical and distributed on the outer surface of the fixing plates 7 and are four in total.

[0028] The motor one 2 and the motor two 11 in the application are common electrical equipment in the prior art, and the type or internal structure of the motor one 2 and the motor two 11 will not be described in detail.

[0029] In use, the base 1 is fixed through the fixing rod 16, and when the lens barrel is fixed, the two screw rods 9 are rotated at the same time, the two fixing plates 7 are close to each other, the rubber blocks 17 are in contact with the outer surface of the lens barrel, the springs 18 are compressed, the lens barrel is fixed, the motor one 2 and the motor two 11 are started, the output shaft end of the motor one 2 drives the rotating rod one 3 to rotate, the rotating rod one 3 drives the pinion one 4 to rotate, the pinion one 4 drives the gear cylinder 5 to rotate, so that the lens barrel is rotated to perform torque test on the lens barrel.

[0030] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative efforts, and these embodiments will all fall within the protection scope of the claims of the present application.

Claims

1. A lens barrel torsion test structure comprising a base (1), characterized in that: The outer surface of the base (1) is connected with motor one (2), the output shaft end of motor one (2) is connected with rotating rod one (3), the top end of rotating rod one (3) is connected with pinion one (4), the outer surface of pinion one (4) is engaged with gear cylinder (5), the upper surface of base (1) is provided with recess (6), the outer surface of gear cylinder (5) is in sliding connection with the inner wall of recess (6), the outer surface of gear cylinder (5) is in sliding connection with fixed plate (7), one end of fixed plate (7) is connected with fixed clamp (8).

2. The lens barrel torsion test structure according to claim 1, characterized by: The outer surface of fixed clamp (8) is in threaded connection with screw rod (9), one end of screw rod (9) is connected with nut (10).

3. The lens barrel torsion test structure according to claim 1, characterized by: The outer surface of the base (1) is connected with motor two (11), the output shaft end of motor two (11) is connected with rotating rod two (12), the top end of rotating rod two (12) is connected with pinion two (13), the outer surface of pinion two (13) is engaged with the outer surface of gear cylinder (5).

4. The lens barrel torsion test structure according to claim 1, characterized by: The inner wall of recess (6) is provided with side groove (14), the outer surface of gear cylinder (5) is connected with side plate (15), the outer surface of side plate (15) is in sliding connection with the inner wall of side groove (14).

5. The lens barrel torsion test structure according to claim 1, characterized by: The bottom surface of base (1) is connected with fixed rod (16), the outer surface of fixed clamp (8) is connected with rubber block (17), rubber block (17) is evenly distributed on the outer surface of fixed clamp (8).

6. The lens barrel torsion test structure according to claim 1, characterized by: The outer surface of fixed plate (7) is connected with spring (18), one end of spring (18) is connected with the outer surface of gear cylinder (5).

7. The lens barrel torsion test structure according to claim 1, characterized by: Fixed clamp (8) has two, which are symmetrically distributed in the interior of base (1).

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