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Mask tension tester

A tester and tension technology, which is applied in the direction of applying stable tension/pressure to test the strength of materials, instruments, measuring devices, etc., can solve problems such as inaccurate test of mask connection strength, save testing time, test data accurately, and install The effect of easy clamping and dismantling process

Active Publication Date: 2020-07-10
青海省药品检验检测院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a mask tension tester, which can solve the problem of inaccurate connection strength testing of masks in the prior art

Method used

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  • Mask tension tester
  • Mask tension tester
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as figure 1 and image 3 As shown, a mask tensile tester provided by the embodiment of the present invention includes a detection system, a frame, a head mold, an ear mold 12, a vertical rail 30 and a first driving device, wherein the detection system is a computer processing machine in the prior art module, no more details. The head mold is used to imitate the shape of the human head. In order to be closer to the real stress situation, a skin-like coating can be coated on its outer surface to simulate the friction coefficient of the skin. The head mold includes a first body 10 and a second body 11, The first body 10 and the second body 11 are arranged separately, such as figure 1 As shown, the headform is cut from the middle part of the headform, and the headform is divided into a first body 10 and a second body 11; the earmold 12 is located on one side of the headform. In this embodiment, there are two earmolds 12, located at On both sides of the headform, the...

Embodiment 2

[0036] Since there are many types of tests for the firmness of masks, in order to simulate a more realistic stress situation, this embodiment also includes an arc-shaped tension module, which includes a second drive device, a first steering gear 40, and a second steering gear 41. , the first shift lever 401 and the second shift lever 411, one end of the first shift lever 401 is fixedly connected to the first steering gear 40, one end of the second shift lever 411 is fixedly connected to the second steering gear 41, and the first steering gear 40 and the second steering gear 41 are rotatably arranged on the second body 11, and the second body 11 is provided with a receiving groove 111 for accommodating the first shifting rod 401 and the second shifting rod 411, and the second driving device is fixedly arranged In the second body 11, the output end of the second driving device is drivingly connected to the first steering gear 40, the first steering gear 40 is meshed with the seco...

Embodiment 3

[0039] Among the test methods stipulated by the national standard, there is another test method that directly stretches the two ear loops of the mask. In order to simulate this test method, such as Figure 4 to Figure 6 As shown, this embodiment also includes a third driving device, an arc rail 21 , two side rails 20 and two slide bars 121 ; the slide bars 121 are made of magnetic materials.

[0040]Two side rails 20 are located on both sides of the second body 11, the side rails 20 are fixedly connected to the second body 11, the two ends of the arc rail 21 are respectively connected to the two side rails 20, and a first slide Slot 201, the first chute 201 is linear, the arc-shaped second chute 211 is opened in the arc-shaped rail 21, the second chute 211 is arc-shaped, and the second chute 211 penetrates into the first chute 201 The two slide bars 121 are located on both sides of the head mold, and the two ear molds 12 are respectively fixedly connected to the two slide bars...

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Abstract

The invention discloses a mask tension tester, and belongs to the field of detection devices. The tester comprises a detection system; a rack; a head mold comprising a first body and a second body; anear mold located at one side of the head mold, and provided with a sensor used for detecting tension and in signal connection with the detection system; a vertical rail fixedly arranged on the rack;and a first driving device fixedly arranged in the first body and used for driving the second body to move in the direction away from the first body. The second body is arranged on the vertical rail in a sliding mode. The first driving device drives the second body to move, testing of the mask connecting position is achieved, due to the fact that the head mold simulates the shape of the head of ahuman body, testing data are closer to the real situation, and the testing data are more accurate; by directly hanging ear hooks on the ear mold, compared with the traditional operation of clamping the two ends, the clamping and dismounting procedures are simpler and more convenient, and the detection time is reduced.

Description

technical field [0001] The invention relates to the field of detection devices, in particular to a mask tension tester. Background technique [0002] As a sanitary product, masks are very common in daily life. Common disposable masks are two ear loops welded on both sides of a mask body. For disposable masks, the national standard has clear requirements for the connection strength between the earhook and the mask body. In the prior art, the connection strength between the earhook and the cover body is tested by a tensile tester. One end clamps the cover body, the other end clamps the earhook, applies force, detects the stress through the sensor, generates a stress curve with the help of a computer testing system, and detects the breaking force. However, when the mask is actually worn, the direction of force is not the direction of force during the test. There is friction between the mask and the face, and there is also friction between the ear straps and the head. As a re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08G01N3/02
CPCG01N3/08G01N3/02
Inventor 赵志杰雷迪张宏涛王宸
Owner 青海省药品检验检测院