Washing machine door lock durability test equipment

Abstract

The utility model relates to the technical field of test equipment, in particular to washing machine door lock durability test equipment. Comprising a moving trolley; the four fixing clamps are symmetrically arranged on the left side and the right side of the moving trolley and used for clamping and fixing the washing machine shell; an up-down linear module; the driving end of the up-and-down linear module is provided with the front-and-back linear module, the driving end of the front-and-back linear module is detachably locked with a hook claw, and a washing machine door is continuously opened and closed by driving the hook claw to move back and forth. According to the utility model, the simulation process of continuously opening and buckling the door lock of the washing machine is completed, so that the durability test of the service life of the door lock is realized; according to the testing mode, the testing efficiency is improved, and interference errors of manual testing are eliminated.

Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment, in particular to a washing machine door lock durability testing device. Background Art

[0002] Drum washing machines need to undergo multiple tests before leaving the factory. Usually, multiple testing positions are set up during the testing process. The tester at each testing position is responsible for testing a certain function of the washing machine. For example, when conducting a durability test on the door lock of the washing machine, the tester is required to open and close the door of the washing machine continuously and in small increments to simulate the opening and closing of the door lock. Due to the use of manual testing, the test results are too much affected by human factors, and it also causes defects such as time-consuming and labor-intensive testing and low testing efficiency. Utility Model Content

[0003] The utility model aims to provide a washing machine door lock durability testing device, which can realize the electric drive to continuously open and close the washing machine door in a small amplitude, so as to complete the durability test of the door lock and improve the test efficiency.

[0004] In order to solve the above technical problems, the utility model provides a washing machine door lock durability testing device, comprising:

[0005] Mobile trolley;

[0006] A fixing clamp, four of which are symmetrically arranged on the left and right sides of the moving trolley to clamp and fix the washing machine shell;

[0007] Up and down linear modules;

[0008] The front and rear linear modules are provided at the driving ends of the upper and lower linear modules. The driving ends of the front and rear linear modules are detachably locked with hooks, and the washing machine door is continuously opened and closed by driving the hooks to move forward and backward.

[0009] Preferably, the mobile trolley comprises: a U-shaped bottom frame, a vertical pole and an electric control box; the vertical pole is provided on the top front side of the U-shaped bottom frame, the electric control box is provided on the top of the vertical pole, and four mobile wheels are symmetrically distributed on the bottom of the U-shaped bottom frame.

[0010] Preferably, it further comprises a limiting rod, which is arranged on the top of the U-shaped bottom frame and is arranged close to one side of the vertical rod.

[0011] Preferably, the fixing fixture comprises: a support arm, a handwheel, a screw rod and a clamping block; four support arms are symmetrically provided on the left and right sides of the top of the mobile trolley, the screw rod is threadedly inserted on the support arm, the handwheel is provided at the outer end of the screw rod, and the clamping block is provided at the inner end of the screw rod.

[0012] Preferably, the upper and lower linear modules include: a U-shaped plate, a second handwheel, a second screw rod, a guide rod and a nut block; the second screw rod is vertically rotatably installed at the upper and lower ends of the U-shaped plate, the second handwheel is provided at the upper end of the second screw rod, the nut block is threadedly sleeved at the thread of the second screw rod, the guide rod is slidably inserted at the front and rear sides of the nut block, the upper and lower ends of the guide rod are connected to the U-shaped plate, and the front and rear linear modules are installed on the nut block.

[0013] Preferably, the front and rear linear modules use an electric actuator, and the electric actuator is a LEY32C electric cylinder.

[0014] Preferably, the hook comprises: an arc-shaped plate and an arc-shaped groove; the arc-shaped groove is provided on the top of the arc-shaped plate so that limit plates are formed on the front and rear sides of the arc-shaped groove.

[0015] Preferably, it also includes a quick-connect shaft, a quick-connect sleeve, a connecting hole and a connecting pin; the quick-connect shaft is arranged at the driving end of the electric cylinder, the quick-connect sleeve is arranged at the front end of the hook claw, the quick-connect shaft is movably inserted in the quick-connect sleeve, the quick-connect shaft and the quick-connect sleeve are both vertically provided with the connecting hole, and the connecting pin is movably inserted in the connecting hole.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model adjusts the upper and lower positions of the front and rear linear modules through the upper and lower linear modules, so that the hook claws on the front and rear linear modules move upward to limit the bottom of the washing machine door; finally, the front and rear linear modules are controlled to continuously move back and forth in a small range, so that they drive the washing machine door to continuously open and close, so as to complete the simulation process of continuously opening and closing the door lock of the washing machine, thereby realizing the durability test of the service life of the door lock; the above-mentioned testing method improves the testing efficiency and eliminates the interference error of manual testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a structural diagram of a washing machine door lock durability testing device.

[0019] Figure 2 This is the hook structure diagram of the washing machine door lock durability testing equipment of the utility model.

[0020] Figure 3 This is a three-dimensional diagram of the washing machine door lock durability testing device of the utility model and the washing machine when clamped.

[0021] Figure 4 The utility model is a front view of the washing machine door lock durability testing device when it is clamped with the washing machine.

[0022] Figure 5 It is a side view of the washing machine door lock durability testing device of the utility model when it is clamped with the washing machine.

[0023] In the figure: 1-mobile trolley, 11-U-shaped bottom frame, 12-vertical pole, 13-electric control box, 14-moving wheel, 15-limit rod, 2-fixed fixture, 21-support arm, 22-hand wheel one, 23-screw rod one, 24-clamping block, 3-upper and lower linear modules, 31-U-shaped plate, 32-hand wheel two, 33-screw rod two, 34-guide rod, 35-nut block, 4-front and rear linear modules, 5-hooks, 51-arc plate, 52-arc groove, 53-limit plate, 6-quick plug shaft, 7-quick plug sleeve, 8-connecting hole, 9-connecting pin, 10-washing machine. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the utility model will become clearer. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the utility model.

[0025] like Figures 1 to 5 As shown, the embodiment of the utility model specifically provides a washing machine door lock durability testing device, including: a moving trolley 1; a fixing clamp 2, four fixing clamps 2 are symmetrically arranged on the left and right sides of the moving trolley 1, so as to clamp and fix the casing of the washing machine 10; an upper and lower linear module 3; a front and rear linear module 4, the driving end of the upper and lower linear module 3 is provided with a front and rear linear module 4, and the driving end of the front and rear linear module 4 is detachably locked with a hook claw 5, and the washing machine door is continuously opened and closed by driving the hook claw 5 to move forward and backward. When the above technical solution is used, the device can first be pushed to the washing machine 10 through the mobile trolley 1, and then the casing of the washing machine 10 can be clamped and fixed by the fixing clamp 2 to avoid shaking during the opening and closing of the door of the washing machine 10; then, the upper and lower linear modules 3 are used to adjust the upper and lower positions of the front and rear linear modules 4, so that the hooks 5 on the front and rear linear modules 4 move upward to limit the bottom of the washing machine door; finally, the front and rear linear modules 4 are controlled to continuously move back and forth in a small range, so that it drives the washing machine door to continuously open and close, so as to complete the simulation process of continuously opening and closing the door lock of the washing machine 10, thereby realizing the durability test of its service life.

[0026] The mobile trolley 1 includes: a U-shaped bottom frame 11, a vertical pole 12 and an electric control box 13; the vertical pole 12 is provided on the top front side of the U-shaped bottom frame 11, the electric control box 13 is provided on the top of the vertical pole 12, and four moving wheels 14 are symmetrically distributed on the bottom of the U-shaped bottom frame 11. Through the setting of the electric control box 13, the electric cylinder can be controlled to move forward and backward continuously, and the forward and backward movement distance of the electric cylinder is very small, as long as the door lock of the washing machine 10 can be opened and closed, so as to avoid the motion interference phenomenon caused by the circular trajectory of the opening and closing of the washing machine door when the electric cylinder performs a linear motion.

[0027] It also includes a limiting rod 15, which is arranged on the top of the U-shaped bottom frame 11 and is set close to one side of the vertical rod 12. When the mobile trolley 1 is pushed to the front side of the door of the washing machine 10, the limiting rod 15 abuts against the front side wall of the casing of the washing machine 10 to limit the position, and then is clamped and fixed by the fixing clamp 2.

[0028] The fixing fixture 2 includes: a support arm 21, a hand wheel 22, a screw rod 23 and a clamping block 24; four support arms 21 are symmetrically arranged on the left and right sides of the top of the mobile trolley 1, and a screw rod 23 is threadedly inserted on the support arm 21, a hand wheel 22 is arranged on the outer end of the screw rod 23, and a clamping block 24 is arranged on the inner end of the screw rod 23. By manually rotating the hand wheel 22 and the screw rod 23, the clamping block 24 is driven to move and clamp the casing of the washing machine 10.

[0029] The upper and lower linear modules 3 include: a U-shaped plate 31, a second hand wheel 32, a second screw rod 33, a guide rod 34 and a nut block 35; the upper and lower ends of the U-shaped plate 31 are vertically rotatably mounted with a second screw rod 33, the upper end of the second screw rod 33 is provided with a second hand wheel 32, a nut block 35 is threadedly sleeved at the thread of the second screw rod 33, the front and rear sides of the nut block 35 are slidably plugged with guide rods 34, the upper and lower ends of the guide rods 34 are connected to the U-shaped plate 31, and the front and rear linear modules 4 are mounted on the nut block 35. By manually rotating the second hand wheel 32 and the second screw rod 33, the nut block 35 can be adjusted up and down, and the above-mentioned guide rod 34 can provide a limiting guide function for the nut block 35 when it moves up and down.

[0030] The front and rear linear modules 4 use an electric actuator, which is a LEY32C electric cylinder. Through the electric cylinder structure setting, the linear movement accuracy is high, and the door of the washing machine 10 can be continuously opened and closed through the hook claw 5.

[0031] The hook 5 includes: an arc plate 51 and an arc groove 52; the arc groove 52 is provided on the top of the arc plate 51, so that the front and rear sides of the arc groove 52 form limiting plates 53. The arc groove 52 can be adapted to fit with the arc surface at the bottom of the door of the washing machine 10, and the front and rear side walls of the bottom of the door of the washing machine 10 can be limited by the limiting plates 53 at the front and rear sides, so that the hook 5 can apply force to the door of the washing machine 10 when moving forward and backward, so as to realize the opening and closing of the door. Moreover, the front and rear width of the accommodation cavity provided in front and behind the arc groove 52 is greater than the thickness of the bottom of the door of the washing machine 10, which can further provide an avoidance stroke for the small angle arc path of the door of the washing machine 10 when the door of the washing machine 10 is opened and closed slightly forward and backward, so as to avoid the phenomenon of motion interference and jamming.

[0032] It also includes a quick-connect shaft 6, a quick-connect sleeve 7, a connecting hole 8 and a connecting pin 9; the quick-connect shaft 6 is arranged at the driving end of the electric cylinder, the quick-connect sleeve 7 is arranged at the front end of the hook claw 5, the quick-connect shaft 6 is movably inserted in the quick-connect sleeve 7, and the quick-connect shaft 6 and the quick-connect sleeve 7 are both vertically provided with a connecting hole 8, and a connecting pin 9 is movably inserted in the connecting hole 8, so that the hook claw 5 can be quickly disassembled, assembled and replaced.

[0033] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation on the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A washing machine door lock durability testing device, characterized in that: include: Mobile trolley (1); A fixing clamp (2), four of which are symmetrically arranged on the left and right sides of the moving trolley (1) to clamp and fix the washing machine casing; Up and down linear modules (3); A front and rear linear module (4), wherein the driving end of the upper and lower linear module (3) is provided with the front and rear linear module (4), and the driving end of the front and rear linear module (4) is detachably locked with a hook (5), and the washing machine door is continuously opened and closed by driving the hook (5) to move forward and backward.

2. A washing machine door lock durability testing device as claimed in claim 1, characterized in that: The movable vehicle (1) comprises: a U-shaped bottom frame (11), a vertical pole (12) and an electric control box (13); the vertical pole (12) is arranged on the front side of the top of the U-shaped bottom frame (11), the electric control box (13) is arranged on the top of the vertical pole (12), and four movable wheels (14) are symmetrically distributed on the bottom of the U-shaped bottom frame (11).

3. A washing machine door lock durability testing device as claimed in claim 2, characterized in that: It also includes a limiting rod (15), which is arranged on the top of the U-shaped bottom frame (11) and is arranged close to one side of the vertical rod (12).

4. A washing machine door lock durability testing device as claimed in claim 1, characterized in that: The fixing fixture (2) comprises: a support arm (21), a hand wheel (22), a screw rod (23) and a clamping block (24); four support arms (21) are symmetrically arranged on the left and right sides of the top of the moving trolley (1); the screw rod (23) is threadedly inserted on the support arm (21); the hand wheel (22) is arranged at the outer end of the screw rod (23); and the clamping block (24) is arranged at the inner end of the screw rod (23).

5. A washing machine door lock durability testing device as claimed in claim 1, characterized in that: The upper and lower linear modules (3) comprise: a U-shaped plate (31), a second hand wheel (32), a second screw rod (33), a guide rod (34) and a nut block (35); the upper and lower ends of the U-shaped plate (31) are vertically rotatably mounted with the second screw rod (33); the upper end of the second screw rod (33) is provided with the second hand wheel (32); the threaded part of the second screw rod (33) is threadedly sleeved with the nut block (35); the front and rear sides of the nut block (35) are slidably plugged with the guide rod (34); the upper and lower ends of the guide rod (34) are connected to the U-shaped plate (31); and the front and rear linear modules (4) are mounted on the nut block (35).

6. A washing machine door lock durability testing device as claimed in claim 1, characterized in that: The front and rear linear modules (4) use an electric actuator, which is a LEY32C electric cylinder.

7. A washing machine door lock durability testing device as claimed in claim 1, characterized in that: The hook (5) comprises: an arc-shaped plate (51) and an arc-shaped groove (52); the arc-shaped groove (52) is provided on the top of the arc-shaped plate (51), so that limiting plates (53) are formed on the front and rear sides of the arc-shaped groove (52).

8. A washing machine door lock durability testing device as claimed in claim 6, characterized in that: It also comprises a quick-insertion shaft (6), a quick-insertion sleeve (7), a connecting hole (8) and a connecting pin (9); the quick-insertion shaft (6) is arranged at the driving end of the electric cylinder, the quick-insertion sleeve (7) is arranged at the front end of the hook claw (5), the quick-insertion shaft (6) is movably inserted into the quick-insertion sleeve (7), the quick-insertion shaft (6) and the quick-insertion sleeve (7) are both vertically provided with the connecting hole (8), and the connecting pin (9) is movably inserted into the connecting hole (8).

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