Waterproof testing device for shoe lining of safety shoe

By combining clamping and testing components, the bending motion of the human body walking in water is simulated, solving the problem of inaccurate waterproof performance testing of safety shoes in existing technologies and achieving more accurate testing results.

CN223796405UActive Publication Date: 2026-01-13TIANJIN TIANXING KESHENG LEATHER PROD
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Patent Information

Application Number
CN202423297440.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-13
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing testing devices for the waterproof performance of work shoes cannot simulate the bending motion of a human body walking in water, resulting in inaccurate testing.

Method used

A waterproof testing device for work shoes linings, comprising a clamping component and a testing component, was designed. The clamping component simulates the bending motion of a human walking in water through an electric lifting rod and a linkage mechanism. The testing component detects leakage through an airbag and a humidity sensor, and achieves accurate testing in conjunction with a controller.

Benefits of technology

It enables a more accurate assessment of the waterproof performance of work shoes, simulates the use of work shoes in actual working environments, and provides more reliable test results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a safety shoe lining waterproof test device, which comprises a test board, a water tank, a water inlet pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe, a water inlet pipe and a water outlet pipe, wherein the top of the test board is fixedly connected with a U-shaped frame; a clamping assembly, the clamping assembly comprises an electric lifting rod fixedly connected to the bottom of the U-shaped frame, a lifting plate fixedly connected to the lifting end of the electric lifting rod, a sliding groove formed in the bottom of the lifting plate, a motor fixedly connected to the bottom of the lifting plate, a rotating shaft fixedly connected to the driving end of the motor and a first connecting rod fixedly connected to the bottom of the rotating shaft. The second connecting rod is fixedly connected to the bottom of the first connecting rod; and the first clamping arm is fixedly connected to one end, away from the first connecting rod, of the second connecting rod. According to the utility model, by arranging the clamping assembly and the testing assembly, a scene that a person wears the safety shoes to tread and walk in a water environment can be simulated, so that the testing environment is closer to a real use environment, and a more reliable basis is provided for the evaluation of the waterproof performance of the safety shoes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to labor protection shoes testing equipment technical field especially relates to a labor protection shoes insole waterproof testing device. BACKGROUND

[0002] Labor protection shoes are a kind of special shoes for protecting the safety of laborers' feet, and are widely used in high-risk industries such as construction, chemical industry and mining, and waterproof performance is one of the important indicators of labor protection shoes, especially for laborers working in humid or waterlogged environment, waterproof performance directly affects the comfort and service life of shoes.

[0003] The Chinese patent with patent application number CN202220644602.0 discloses "a waterproof performance testing device for children's shoes", which comprises a control cabinet, a water tank, a lifting frame and a shoe tree, the water tank is arranged on the control cabinet, the lifting frame is located above the water tank, the control cabinet is provided with a lifting mechanism for controlling the lifting frame to move up and down, the lifting frame is provided with a shoe tree clamping mechanism for clamping the shoe tree, and the shoe tree is provided with a test sleeve, when testing the waterproof performance of children's shoes, the children's shoes are sleeved outside the test sleeve outside the shoe tree, and the shoe tree is clamped on the shoe tree clamping mechanism, then the lifting mechanism is controlled to make the lifting frame drive the shoe tree clamped on the shoe tree to move downward, so that the shoes are immersed in the liquid, the lifting mechanism is controlled to control the lifting frame to continuously move up and down, to simulate the action of human body stepping up and down on the water surface, after the test is completed, the shoes are taken off, and whether there is water stain on the shoe lining and the test sleeve is observed, so as to achieve the purpose of testing the waterproof performance of children's shoes. The above-mentioned patent still has the following defects:

[0004] In the above-mentioned patent document, although the action of human body stepping up and down on the water surface can be simulated, when people walk, there will be the action of bending the shoes, the above-mentioned device has no shoe body bending test mechanism, and the waterproof performance test of the shoes is not accurate enough. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the deficiency of prior art, and provides a labor protection shoes insole waterproof testing device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a labor protection shoes insole waterproof testing device, which comprises a test table, the top of the test table is fixedly connected with a U-shaped frame, and further comprises:

[0007] A water tank is fixedly connected to the top of the test table.

[0008] The clamping assembly comprises an electric lifting rod fixedly connected at the bottom of the U-shaped frame, a lifting plate fixedly connected at the lifting end of the electric lifting rod, a sliding groove opened at the bottom of the lifting plate, an electric motor fixedly connected at the bottom of the lifting plate, a rotating shaft fixedly connected at the driving end of the electric motor, a first connecting rod fixedly connected at the bottom of the rotating shaft, a second connecting rod fixedly connected at the bottom of the first connecting rod, a first clamping arm fixedly connected at the end of the second connecting rod away from the first connecting rod, a third connecting rod fixedly connected at the bottom of the first connecting rod, and a second clamping arm fixedly connected at the end of the third connecting rod away from the first connecting rod, wherein the electric motor extends downward through the lifting plate;

[0009] The testing assembly comprises an air pump fixedly connected at the top of the U-shaped frame and an air bag detachably connected in the safety shoes, and an air pipe is fixedly connected between the air pump and the air bag.

[0010] Further, the outer surface of the air bag is provided with a humidity sensor.

[0011] Further, the side wall of the water tank is fixedly connected with a water inlet pipe.

[0012] Further, the top of the testing table is fixedly connected with a controller, and the controller is electrically connected with the electric lifting rod, the humidity sensor and the air pump.

[0013] Further, the side of the first clamping arm and the second clamping arm away from each other is provided with a rubber pad.

[0014] Further, the bottom of the testing table is fixedly connected with supporting legs at four corners.

[0015] The utility model discloses a kind of clamping assemblies, and the utility model discloses a kind of testing assemblies. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the structural schematic diagram of the utility model;

[0017] Fig. 2 It is the structural schematic diagram of the clamping assembly of the utility model;

[0018] Fig. 3 It is the schematic diagram of the explosion structure of the utility model;

[0019] Fig. 4 It is the schematic diagram of the explosion structure of the testing assembly of the utility model;

[0020] In the figure: 1, test table; 2, U-shaped frame; 3, water tank; 4, clamping assembly; 401, electric lifting rod; 402, lifting plate; 403, sliding groove; 404, motor; 405, rotating shaft; 406, first connecting rod; 407, second connecting rod; 408, first clamping arm; 409, third connecting rod; 410, second clamping arm; 6, test assembly; 601, air pump; 602, air bag; 603, air pipe; 7, water inlet pipe; 8, controller; 9, supporting leg;

[0021] The drawings in the utility model are schematic diagrams, and the size does not represent the actual size;

[0022] The utility model will be described in detail below in combination with the embodiments thereof with reference to the drawings. DETAILED DESCRIPTION

[0023] The utility model will be described in detail below in combination with the embodiments thereof with reference to the drawings.

[0024] As Figs. 1-4 shown, a waterproof test device for shoe inners of labor protection shoes, including test table 1, the top of test table 1 is fixedly connected with U-shaped frame 2, still including:

[0025] Water tank 3, water tank 3 is fixedly connected at the top of test table 1;

[0026] Clamping assembly 4, the clamping assembly 4 includes electric lifting rod 401 fixedly connected at the bottom of U-shaped frame 2, lifting plate 402 fixedly connected at the lifting end of electric lifting rod 401, sliding groove 403 opened at the bottom of lifting plate 402, motor 404 fixedly connected at the bottom of lifting plate 402, rotating shaft 405 fixedly connected at the drive end of motor 404, first connecting rod 406 fixedly connected at the bottom of rotating shaft 405, second connecting rod 407 fixedly connected at the bottom of first connecting rod 406, first clamping arm 408 fixedly connected at the end of second connecting rod 407 away from first connecting rod 406, third connecting rod 409 fixedly connected at the bottom of first connecting rod 406, second clamping arm 410 fixedly connected at the end of third connecting rod 409 away from first connecting rod 406, and motor 404 extends downward through lifting plate 402;

[0027] Test assembly 6, the test assembly 6 includes air pump 601 fixedly connected at the top of U-shaped frame 2 and air bag 602 detachably connected in labor protection shoes, and air pipe 603 is fixedly connected between air pump 601 and air bag 602.

[0028] The outer surface of air bag 602 is provided with humidity sensor.

[0029] The side wall of water tank 3 is fixedly connected with water inlet pipe 7.

[0030] The top of the test bench 1 is fixedly connected with a controller 8, and the controller 8 is electrically connected with the electric lifting rod 401, the humidity sensor and the air pump 601.

[0031] The side of the first clamping arm 408 and the second clamping arm 410 facing each other is provided with a rubber pad.

[0032] The bottom of the test bench 1 is fixedly connected with supporting legs 9.

[0033] Specifically, in use, the safety shoes to be tested are clamped and fixed, two groups of clamping assemblies 4 clamp the front and rear parts of the safety shoes respectively, the motor 404 is started, the motor 404 rotates counterclockwise to drive the rotating shaft 405 to rotate counterclockwise, and then drives the first connecting rod 406 to rotate counterclockwise, so that the second connecting rod 407 and the third connecting rod 409 move towards the middle, and finally the first clamping arm 408 and the second clamping arm 410 move towards the middle along the sliding groove 403 to clamp and stabilize the shoes, after clamping is completed, the motor 404 is turned off, then the air bag 602 is placed in the shoes, the electric lifting rod 401 is started, the electric lifting rod 401 moves downward to drive the clamping assembly 4, and the shoes are moved downward to the water tank 3 containing water, the lower half of the shoes is immersed in the water, at this time, the air pump 601 is started, air is pumped into the air bag 602 through the air pipe 603, and the vamp is lifted from the inside of the safety shoes, if the shoes leak, the inflated air bag 602 can enlarge the leakage hole of the shoes, so that water enters the shoes more quickly, the humidity sensor on the outer surface of the air bag 602 can sense the rise of humidity and alarm, at this time, the test is stopped, if the shoes do not leak, the air bag 602 is inflated and deflated intermittently, the test result is more accurate, if the simulation walking test is also not leaking, the clamping assembly 4 clamping the front part of the safety shoes is intermittently raised and lowered, and the other clamping assembly 5 keeps clamping the rear part of the safety shoes, the toe is bent, so that the test environment is closer to the actual working environment of the safety shoes, if the waterproof performance of the safety shoes in an acidic or alkaline environment is simulated, the water tank 3 can be injected with an acidic or alkaline solution through the water inlet pipe 7, and the above test can be performed.

[0034] The utility model has been described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as various improvements are made by adopting the method concept and technical scheme of the utility model, or direct application in other occasions without improvement, which are all within the protection scope of the utility model.

Claims

1. A waterproof testing device for the lining of work shoes, comprising a testing platform (1), characterized in that, The top of the test bench (1) is fixedly connected to a U-shaped frame (2); it also includes: Water tank (3), which is fixedly connected to the top of the test bench (1); Two sets of clamping assemblies (4) are used to clamp the front and rear of the work shoes, respectively. The clamping assembly (4) includes an electric lifting rod (401) fixedly connected to the bottom of the U-shaped frame (2), a lifting plate (402) fixedly connected to the lifting end of the electric lifting rod (401), a sliding groove (403) opened at the bottom of the lifting plate (402), a motor (404) fixedly connected to the bottom of the lifting plate (402), a rotating shaft (405) fixedly connected to the driving end of the motor (404), and a sliding groove (403) fixedly connected to the rotating shaft (404). 5) A first connecting rod (406) at the bottom, a second connecting rod (407) fixedly connected to the bottom of the first connecting rod (406), a first clamping arm (408) fixedly connected to the end of the second connecting rod (407) away from the first connecting rod (406), a third connecting rod (409) fixedly connected to the bottom of the first connecting rod (406), and a second clamping arm (410) fixedly connected to the end of the third connecting rod (409) away from the first connecting rod (406), wherein the motor (404) extends downward through the lifting plate (402); The test component (6) includes an air pump (601) fixedly connected to the top of the U-shaped frame (2) and an air bag (602) detachably connected to the work shoes. An air tube (603) is fixedly connected between the air pump (601) and the air bag (602).

2. The waterproof testing device for the lining of work shoes according to claim 1, characterized in that, A humidity sensor is provided on the outer surface of the airbag (602).

3. The waterproof testing device for the lining of work shoes according to claim 1, characterized in that, The water tank (3) is fixedly connected to the side wall of the water inlet pipe (7).

4. The waterproof testing device for the lining of work shoes according to claim 1, characterized in that, The top of the test bench (1) is fixedly connected to a controller (8), which is electrically connected to the electric lifting rod (401), humidity sensor, and air pump (601).

5. The waterproof testing device for the lining of work shoes according to claim 1, characterized in that, A rubber pad is provided on the side of the first clamping arm (408) and the second clamping arm (410) facing each other.

6. The waterproof testing device for the lining of work shoes according to claim 1, characterized in that, Support legs (9) are fixedly connected to the four corners of the bottom of the test bench (1).

Citation Information

Patent Citations

  • Waterproof performance testing device for children's shoes

    CN217304818U