Hinge fatigue strength testing device

Abstract

The utility model discloses a hinge fatigue strength testing device which comprises supporting legs and a table board, the table board is fixedly connected to the tops of the supporting legs, the top of the table board is fixedly connected with a shell, and a fixing device is arranged in the shell; the fixing device comprises a motor, the tail end of an output shaft of the motor is fixedly connected with a reciprocating screw rod, the circumferential surface of the reciprocating screw rod is in threaded connection with a reciprocating screw sleeve, and the circumferential surface of the reciprocating screw sleeve is fixedly connected with a rectangular plate; the reciprocating screw rod, the reciprocating screw sleeve, the rectangular plate, the supporting shaft and the like are matched with one another, so that when the reciprocating screw sleeve does reciprocating rectilinear motion, the rectangular plate fixed on the circumferential surface of the reciprocating screw sleeve is forced to be stressed to do reciprocating rectilinear motion, and the rectangular plate can extrude a hinge and play a role in intermittently fixing the hinge; the effect that the hinge is fixed in the hinge testing process is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the hinge fatigue strength test field especially relates to a hinge fatigue strength testing device. BACKGROUND

[0002] With the continuous advancement of industrialization, the use frequency of various machines, furniture, doors and windows gradually increases, and the hinge as the key connecting component of these products directly affects the reliability and service life of the products. The hinge fatigue strength testing device as a testing tool plays a crucial role in ensuring the quality and reliability of the hinge.

[0003] Through retrieval, the hinge fatigue strength testing device disclosed by the patent with the patent announcement number CN218512008U comprises a rack, a counter, a support plate, two synchronous wheels and a hinge clamp plate for fixing one of the hinge leaves are installed on the rack, a motor and a linear guide rail are installed on the support plate, and a rotating seat is connected to the output shaft of the motor.

[0004] The above-mentioned patent has the following disadvantages: the rectangular plate cannot extrude the hinge, and cannot intermittently fix the hinge, resulting in the inability to achieve the effect of fixing the hinge during hinge testing.

[0005] Therefore, we provide a hinge fatigue strength testing device. UTILITY MODEL CONTENTS

[0006] The utility model aims at the above-mentioned technical problem, provides hinge fatigue strength testing device, reaches the rectangular plate to the hinge extrusion, to the hinge plays the role of intermittent fixation, has achieved the effect that the hinge is fixed during the hinge test.

[0007] Therefore, the utility model provides hinge fatigue strength testing device, including support leg and table board, the table board fixed connection is in the top of support leg, the top of table board is fixedly connected with the shell, the inside of shell is provided with fixing device, the fixing device includes motor, the output shaft end of motor is fixedly connected with reciprocating screw rod, the circumference surface of reciprocating screw rod is connected with reciprocating screw sleeve with thread, the circumference surface of reciprocating screw sleeve is fixedly connected with rectangular plate,

[0008] Preferably, the bottom of the table board is fixedly connected with a support shaft, a recess is formed in the top of the table board, a fixed plate is fixedly connected to the inner wall of the recess, a hinge is connected to the circumference surface of the fixed plate, and a telescopic rod is fixedly connected to the circumference surface of the reciprocating screw sleeve.

[0009] Preferably, the side section of the rectangular plate is in T shape, and the telescopic rod is fixedly connected to the inner wall top of the shell.

[0010] Preferably, a detection device is provided at the bottom of the tabletop. The detection device includes a half gear, which is fixedly connected to the circumferential surface of the reciprocating lead screw. A force-bearing shaft passes through the bottom of the support shaft, and a gear is fixedly connected to the circumferential surface of the force-bearing shaft.

[0011] Preferably, a push plate is fixedly connected to the circumferential surface of the force-bearing shaft, and a torsion spring is fixedly connected to the circumferential surface of the gear.

[0012] Preferably, the torsion spring is located directly below the gear, and the gear meshes with the half gear.

[0013] Preferably, the support legs are provided in multiple groups of two, and are symmetrical to each other along the vertical central axis at the bottom of the tabletop 2. The side cross-section of the fixing plate is irregular, and the side cross-section of the push plate is L-shaped.

[0014] Compared with the prior art, the present invention provides a hinge fatigue strength testing device, which has the following beneficial effects:

[0015] This invention utilizes a reciprocating screw, reciprocating sleeve, rectangular plate, and support shaft in a coordinated manner. When the reciprocating sleeve performs reciprocating linear motion, it forces the rectangular plate fixed to the circumference of the sleeve to also perform reciprocating linear motion. This allows the rectangular plate to compress the hinge, intermittently fixing it in place, thus achieving the desired hinge fixation during testing. The invention also incorporates a half-gear, force-bearing shaft, gear, and push plate. When the half-gear rotates counterclockwise, it forces the gear to rotate clockwise. When the gear rotates clockwise, it drives the force-bearing shaft to rotate clockwise via the support shaft. This causes the push plate, fixed to the circumference of the force-bearing shaft, to move along with the shaft, pushing the other half of the hinge. This allows workers to easily inspect the hinge and improves their work efficiency.

[0016] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0017] Figure 1 This is a three-dimensional external structural diagram of the hinge fatigue strength testing device proposed in this utility model.

[0018] Figure 2 This is a three-dimensional structural diagram of the rectangular plate of the hinge fatigue strength testing device proposed in this utility model.

[0019] Figure 3 This is a three-dimensional cross-sectional view of the hinge section of the hinge fatigue strength testing device proposed in this utility model;

[0020] Figure 4 The hinge fatigue strength testing device proposed in this utility model Figure 2 A three-dimensional magnified structural diagram of A in the middle;

[0021] Figure 5 The hinge fatigue strength testing device proposed in this utility model Figure 3 A three-dimensional magnified structural diagram of B.

[0022] In the diagram: 1. Support leg; 2. Tabletop; 3. Outer shell; 4. Fixing device; 41. Motor; 42. Reciprocating lead screw; 43. Reciprocating lead sleeve; 44. Rectangular plate; 45. Support shaft; 46. Groove; 47. Fixing plate; 48. Hinge; 49. Telescopic rod; 5. Detection device; 51. Half gear; 52. Force-bearing shaft; 53. Gear; 54. Push plate; 55. Torsion spring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] Example 1: As Figure 1 - Figure 5 As shown, the hinge fatigue strength testing device includes a support leg 1 and a table 2. The table 2 is fixedly connected to the top of the support leg 1, and a housing 3 is fixedly connected to the top of the table 2. A fixing device 4 is provided inside the housing 3. The fixing device 4 includes a motor 41, and a reciprocating lead screw 42 is fixedly connected to the end of the output shaft of the motor 41. A reciprocating threaded sleeve 43 is threadedly connected to the circumferential surface of the reciprocating lead screw 42, and a rectangular plate 44 is fixedly connected to the circumferential surface of the reciprocating threaded sleeve 43.

[0026] A support shaft 45 is fixedly connected to the bottom of the tabletop 2. A groove 46 is provided on the top of the tabletop 2. A fixing plate 47 is fixedly connected to the inner wall of the groove 46. A hinge 48 is snapped onto the circumferential surface of the fixing plate 47. A telescopic rod 49 is fixedly connected to the circumferential surface of the reciprocating threaded sleeve 43. The telescopic rod 49 limits the movement of the reciprocating threaded sleeve 43.

[0027] The rectangular plate 44 has a T-shaped side section, and the telescopic rod 49 is fixedly connected to the top of the inner wall of the outer casing 3. The rectangular plate 44 fixes the hinge 48.

[0028] First, before testing the hinge 48, the operator can place the hinge 48 on top of the fixing plate 47 and lock the hinge 48 and the fixing plate 47 together. At this time, the operator turns on the external power supply, which starts the motor 41 and forces the reciprocating screw 42 to rotate counterclockwise. This causes the reciprocating sleeve 43 to reciprocate linearly on the circumferential surface of the reciprocating screw 42. When the reciprocating sleeve 43 reciprocates linearly, it forces the rectangular plate 44 fixed on the circumferential surface of the reciprocating sleeve 43 to reciprocate linearly. This allows the rectangular plate 44 to squeeze the hinge 48, intermittently fixing the hinge 48 and achieving the effect of fixing the hinge 48 during testing.

[0029] Example 2: Figure 1 - Figure 4 As shown, the hinge fatigue strength testing device has a testing device 5 at the bottom of the table 2. The testing device 5 includes a half gear 51, which is fixedly connected to the circumferential surface of the reciprocating lead screw 42. The bottom of the support shaft 45 has a force-bearing shaft 52, and a gear 53 is fixedly connected to the circumferential surface of the force-bearing shaft 52.

[0030] A push plate 54 is fixedly connected to the circumferential surface of the force-bearing shaft 52, and a torsion spring 55 is fixedly connected to the circumferential surface of the gear 53. When the force-bearing shaft 52 rotates clockwise, it drives the gear 53 to rotate clockwise as well.

[0031] The torsion spring 55 is located directly below the gear 53, which meshes with the half gear 51. The torsion spring 55 can use its own torque to drive the force-bearing shaft 52 to reset.

[0032] The support legs 1 are arranged in pairs and are symmetrical to each other along the vertical central axis at the bottom of the table 2. The side cross-section of the fixing plate 47 is irregular and the side cross-section of the push plate 54 is L-shaped.

[0033] First, when the reciprocating screw 42 rotates counterclockwise, it forces the half gear 51 fixed on the circumference of the reciprocating screw 42 to rotate counterclockwise. Since the half gear 51 and the gear 53 mesh with each other, when the half gear 51 rotates counterclockwise, the gear 53 is forced to rotate clockwise. When the gear 53 rotates clockwise, it drives the force shaft 52 to rotate clockwise through the support shaft 45. This causes the push plate 54 fixed on the circumference of the force shaft 52 to move along with the movement of the force shaft 52. As a result, the push plate 54 pushes the other half of the hinge 48, allowing the operator to smoothly inspect the hinge 48 and improving the operator's work efficiency.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A hinge fatigue strength testing device, comprising a support leg (1), characterized in that: A table (2) is fixedly connected to the upper surface of the support leg (1), and a shell (3) is fixedly connected to the top of the table (2). A fixing device (4) is provided inside the shell (3). The fixing device (4) includes a motor (41), and a reciprocating screw (42) is fixedly connected to the end of the output shaft of the motor (41). A reciprocating sleeve (43) is threadedly connected to the circumferential surface of the reciprocating screw (42). A rectangular plate (44) is fixedly connected to the circumferential surface of the reciprocating sleeve (43). A support shaft (45) is fixedly connected to the bottom of the table (2). A groove (46) is provided on the top of the table (2). A fixing plate (47) is fixedly connected to the inner wall of the groove (46). A telescopic rod (49) is fixedly connected to the circumferential surface of the reciprocating sleeve (43).

2. The hinge fatigue strength testing device according to claim 1, characterized in that, The circumferential surface of the fixing plate (47) is fitted with hinges (48), and the number of hinges (48) provided is multiple.

3. The hinge fatigue strength testing device according to claim 2, characterized in that, The side section of the rectangular plate (44) is set in a T shape, and the telescopic rod (49) is fixedly connected to the top of the inner wall of the outer shell (3).

4. The hinge fatigue strength testing device according to claim 2, characterized in that, The bottom of the table (2) is provided with a detection device (5), which includes a half gear (51). The half gear (51) is fixedly connected to the circumferential surface of the reciprocating lead screw (42). The bottom of the support shaft (45) is penetrated by a force-bearing shaft (52), and a gear (53) is fixedly connected to the circumferential surface of the force-bearing shaft (52).

5. The hinge fatigue strength testing device according to claim 4, characterized in that, A push plate (54) is fixedly connected to the circumferential surface of the force-bearing shaft (52), and a torsion spring (55) is fixedly connected to the circumferential surface of the gear (53).

6. The hinge fatigue strength testing device according to claim 5, characterized in that, The torsion spring (55) is located directly below the gear (53), which meshes with the half gear (51).

7. The hinge fatigue strength testing device according to claim 1, characterized in that, The support legs (1) are provided in several pairs, and are symmetrical to each other along the vertical central axis at the bottom of the tabletop (2).

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