CN210923002U

CN210923002U - Detection apparatus capable of testing recovery time of deformed earplugs in batch

Info

Publication number: CN210923002U
Application number: CN201922251107.4U
Authority: CN
Inventors: 顾少荣
Original assignee: Jiangyin Sian Plastic Protech Co ltd
Current assignee: Jiangyin Sian Plastic Protech Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-07-03
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to a detection device capable of testing recovery time of earplugs in batch after deformation, which comprises a base and a pressing part; the base is of a square structure, the upper surface of the base is a plane, a plurality of placing grooves are formed in the upper surface of the base at equal intervals along the length direction of the base, the placing grooves are used for placing earplugs to be detected for rebound time, the side surface of the front end of the base is vertically upward and is symmetrically provided with two contact sensors, and the contact sensors are electrically connected with an external timing device; the material pressing portion is also of a square structure, the lower surface of the material pressing portion is a plane, and the material pressing portion is hinged to one side of the upper surface of the base. The utility model discloses can detect not unidimensional earplug in batches, ensure the uniformity of the earplug deflection that detects to the earplug that the assurance detected out warp the accuracy of recovery time.

Description

Detection apparatus capable of testing recovery time of deformed earplugs in batch

Technical Field

The utility model relates to a protection hearing equipment detection device technical field, especially a but detection device of batch test earplug deformation back recovery time.

Background

In the daily life and work of people, especially shooting players in the process of competition, the noise-proof earplugs are often required to be worn to filter external noise, so that the external noise is prevented from causing adverse effects on the daily life, work or shooting player competition.

As shown in fig. 1, the conventional earplugs have substantially the same bottom structure and size, and during the production process of the earplugs, the springback time of the earplugs needs to be detected to test whether the springback time meets the requirement.

In view of the above, it would be desirable to provide a detection device that can batch test the recovery time of earplugs after deformation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but testing earplug warp back recovery time's detection device in batches can detect not unidimensional earplug in batches, ensures the uniformity of the earplug deflection that detects to the earplug that the assurance detected out warp the accuracy of recovery time.

In order to achieve the purpose of the utility model, the detection device capable of testing the recovery time of the deformed earplugs in batch comprises a base and a material pressing part;

the earphone comprises a base, a plurality of positioning grooves, a plurality of contact sensors and a timing device, wherein the base is of a square structure, the upper surface of the base is a plane, the upper surface of the base is provided with the plurality of positioning grooves at equal intervals along the length direction of the base, the positioning grooves are used for placing earplugs to be detected for rebounding time, the side surface of the front end of the base is vertically upward and symmetrically provided with the two contact sensors, and the contact sensors are electrically connected with the external timing device;

the material pressing portion is also of a square structure, the lower surface of the material pressing portion is a plane, and the material pressing portion is hinged to one side of the upper surface of the base.

Preferably, one end of the placing groove is provided with a limiting part matched with the bottom of the earplug.

Preferably, two nuts are horizontally and symmetrically fixed on the side face of the front end of the base, external threads matched with the nuts are arranged on the outer surfaces of the two contact sensors, and the contact sensors are in threaded connection with the nuts.

Preferably, the outer surfaces of the two touch sensors are both vertically provided with scale marks.

Preferably, the tops of the two touch sensors are of a hemispherical structure.

Preferably, the bottom of each of the two touch sensors is provided with a handle.

Instructions for use: the earplugs to be detected for deformation recovery time of the same model are placed in the placing grooves on the base, the positions of the two contact sensors on the nuts are adjusted, the heights of the contact sensors in the vertical direction are guaranteed to be equal and slightly higher than the upper surface of the base, the material pressing part is rotated, the material pressing part presses the earplugs, meanwhile, the two contact sensors are connected with the lower surface of the material pressing part, and the placing grooves are arranged along the length direction of the base, so that the stress of each earplug in the placing grooves is equal, and the deformation of the earplugs is guaranteed to be equal; after pressing is finished, the pressing part is rotated, the lower surface of the pressing part is separated from the contact sensor, the contact sensor sends out a signal and transmits the signal to an external timing device, and the timing device starts timing to test the deformation recovery time of the earplug.

The utility model discloses a but testing device of recovery time after earplug deformation in batches compares with prior art and has following advantage:

(1) the earplugs of the same model can be detected in batch, and the equal deformation of the earplugs is ensured, so that the deformation recovery time of each earplug can be accurately tested;

(2) the earplugs with different sizes can be placed in the placing grooves on the base, and the earplugs are effectively limited, so that the earplugs are prevented from being deviated, and the accuracy of the tested earplug deformation recovery time is ensured;

(3) simple structure, simple to use is swift.

Drawings

FIG. 1 is a schematic view of the structure of an earplug to be tested;

fig. 2 is a schematic structural diagram of a detection device for batch testing recovery time after earplug deformation according to the present invention;

fig. 3 is a partially enlarged view of the placement groove of fig. 2;

fig. 4 is a schematic structural view of a touch sensor according to the present invention;

fig. 5 is an operation schematic diagram a of a detection apparatus for batch testing recovery time after earplug deformation according to the present invention;

FIG. 6 is an enlarged view of a portion of the earplug to be tested in FIG. 5 placed in the placement channel;

fig. 7 is an operation schematic diagram B of the detecting device for testing recovery time after earplug deformation in batch according to the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 2-4, a device for testing recovery time of earplugs in batch after deformation comprises a base 3 and a pressing part 4;

the base 3 is of a square structure, the upper surface of the base 3 is a plane, a plurality of placing grooves 7 are formed in the upper surface of the base 3 at equal intervals along the length direction of the base, the placing grooves 7 are used for placing earplugs to be detected for rebound time, two contact sensors 5 are vertically and symmetrically arranged on the side surface of the front end of the base 3 upwards, and the contact sensors 5 are electrically connected with an external timing device;

the material pressing portion 4 is also of a square structure, the lower surface of the material pressing portion 4 is a plane, and the material pressing portion 4 is hinged to one side of the upper surface of the base 3.

As shown in figure 1, because the bottom structure 2 and the size of the conventional earplug are the same, the difference lies in that the length of the earplug 1 is different, in order to enable the placement groove 7 to place earplugs of different sizes, one end of the placement groove 7 is provided with a limiting part 8 matched with the bottom of the earplug, on one hand, earplugs of various sizes can be placed, and on the other hand, the earplug 1 placed in the placement groove 7 can be conveniently limited to a certain extent, so that the uniformity of all earplug deformation on the detection device is ensured.

Furthermore, two nuts 6 are horizontally and symmetrically fixed on the side face of the front end of the base 3, external threads matched with the nuts 6 are arranged on the outer surfaces of the two contact sensors 5, and the contact sensors 5 are in threaded connection with the nuts 6; so set up, conveniently adjust two touch sensor 5 height on the vertical direction for match not the earplug of equidimension.

Further, in order to ensure that the heights of the two touch sensors 5 in the vertical direction are consistent, the outer surfaces of the two touch sensors 5 are both vertically provided with scale marks 11, so that the heights of the two touch sensors 5 in the vertical direction can be accurately adjusted.

Further, the tops of the two touch sensors 5 are of a hemispherical structure 12, so that the sensitivity of the touch sensors 5 is ensured, and the touch sensors 5 are easier to trigger.

Further, in order to facilitate adjustment of the two touch sensors 5, handles 10 are provided at the bottoms of the two touch sensors 5.

Instructions for use: as shown in fig. 5-7, the earplugs 1 of the same type to be detected for the deformation recovery time are placed in the placement grooves 7 on the base 3, the positions of the two contact sensors 5 on the nuts 6 are adjusted to ensure that the heights of the contact sensors 5 in the vertical direction are equal and slightly higher than the upper surface of the base 3, the swaging part 4 is rotated to enable the swaging part 4 to swage the earplugs 1, and meanwhile, the two contact sensors 5 are connected with the lower surface of the swaging part 4, because the placement grooves 7 are all arranged along the length direction of the base 3, the stress of each earplug 1 in the placement grooves 7 is equal, and the deformation amount is also equal; after pressing is finished, the pressing part 4 is rotated, the lower surface of the pressing part 4 is separated from the contact sensor 5, the contact sensor 5 sends a signal and transmits the signal to an external timing device, and the timing device starts timing to test the deformation recovery time of the earplug 1.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A detection device capable of testing recovery time of earplugs in batch after deformation is characterized by comprising a base and a pressing part;

2. The device as claimed in claim 1, wherein a position-limiting portion is disposed at one end of the placement groove for matching with the bottom of the earplugs.

3. The device for detecting the recovery time of the earplugs in batch test after deformation as claimed in claim 1 or 2, wherein two nuts are horizontally and symmetrically fixed on the side surface of the front end of the base, external threads matched with the nuts are arranged on the outer surfaces of the two contact sensors, and the contact sensors are in threaded connection with the nuts.

4. The device for testing the recovery time of earplugs after deformation in batch according to claim 3, wherein the two touch sensors are provided with scale marks on the outer surface vertically.

5. The device of claim 4, wherein the two touch sensors are hemispherical in top portion.

6. The device as claimed in claim 5, wherein the two touch sensors are provided with handles at the bottom.