CN210166162U

CN210166162U - Hair sampling device

Info

Publication number: CN210166162U
Application number: CN201920727181.6U
Authority: CN
Inventors: 刘晓云; 汤绍周; 何家杰; 王平
Original assignee: Anti Drug Detachment Of Guangzhou Public Security Bureau; GUANGZHOU ZHENGFU DETECTION TECHNOLOGY Co Ltd
Current assignee: Anti Drug Detachment Of Guangzhou Public Security Bureau; GUANGZHOU ZHENGFU DETECTION TECHNOLOGY Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-03-20
Anticipated expiration: 2029-05-21

Abstract

The utility model relates to a hair sampling device, it includes first scissors arm, second scissors arm, third scissors arm, fourth scissors arm, the first in command and the second in command. The first scissor arm and the second scissor arm are hinged in a crossed mode and matched to form first scissors, the third scissor arm and the fourth scissor arm are hinged in a crossed mode and matched to form second scissors, and a gap is formed between the first scissors and the second scissors. This hair sampling device passes through first scissors arm, the second scissors arm, third scissors arm and the cooperation of fourth scissors arm constitute first scissors and second scissors, and have the clearance between first scissors and the second scissors, thereby can control first scissors and the action of second scissors and cut the hair sample of getting suitable length between first scissors and second scissors, because first scissors and second scissors synchronous motion, the length uniformity of the hair sample of cutting is high, be favorable to improving the accuracy of testing result, and whole hair sampling process is easy and simple to handle, the sampling efficiency is high.

Description

Hair sampling device

Technical Field

The utility model relates to a field that medical treatment inspection, drug inspection, crime evidence collected etc. need the hair to be tailor and collect especially relates to a hair sampling device.

Background

Hair collection is required in many fields, such as medical inspection, drug inspection, and criminal evidence collection. In hair collection, it is often necessary to collect a hair sample of a certain length from the root of a subject to be tested for detection, for example, to detect whether the subject has a drug taking action recently. As the drug-taking test is increasingly valued, it has slowly become a part of occupational physical examination, and thus there is an increasing demand for hair harvesting.

In the traditional hair collection process, the hair of a measured object is directly cut off by using a conventional scissors, and then the hair is secondarily cut according to the empirical visual length to obtain a hair sample with the required length. The hair collecting process needs to be trimmed for many times, and the whole operation process is complex; and the obtained hair samples are often inconsistent in length and have large difference, so that the accuracy of the detection result is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, there is a need for a hair sampling device that is easy to operate and has high sampling consistency.

A hair sampling device comprises a first scissor arm, a second scissor arm, a third scissor arm, a fourth scissor arm, a first handle and a second handle; the first scissor arm and the second scissor arm are hinged in a crossed mode and matched to form first scissors, the third scissor arm and the fourth scissor arm are hinged in a crossed mode and matched to form second scissors, and a gap is formed between the first scissors and the second scissors; the first handle is connected with the first scissor arm and the third scissor arm, the second handle is connected with the second scissor arm and the fourth scissor arm, and the first handle and the second handle can drive the first scissor arm and the third scissor arm to synchronously move relative to the second scissor arm and the fourth scissor arm when moving relatively to control the first scissor and the second scissor to synchronously open or synchronously engage.

In one embodiment, the cutting edge of the first and/or second scissor arm is a dental edge.

In one embodiment, the cutting edge of the first scissor arm is a dental edge and the cutting edges of the second scissor arm, the third scissor arm, and the fourth scissor arm are all full edges.

In one embodiment, the cutting edge of the first scissor arm is adjustable in width.

In one embodiment, the first scissors and the second scissors respectively hinge the first scissors arm and the second scissors arm and the third scissors arm and the fourth scissors arm through the same hinge shaft.

In one embodiment, the first handle is provided at an end of the first scissor arm remote from the cutting edge thereof, and the second handle is provided at an end of the second scissor arm remote from the cutting edge thereof.

In one embodiment, the first handle and the first scissor arm are integrally formed, and the second handle and the second scissor arm are also integrally formed.

In one embodiment, the first scissor arm and the third scissor arm are connected through a first linkage shaft, and the first linkage shaft is fixedly connected with the first scissor arm and the third scissor arm respectively;

the second scissor arm is connected with the fourth scissor arm through a second linkage shaft, and the second linkage shaft is respectively and fixedly connected with the second scissor arm and the fourth scissor arm.

In one embodiment, the distance between the first scissors and the second scissors is adjustable.

In one embodiment, the hair sampling device further comprises a hair collection receptacle removably connected to the first scissor arm and the second scissor arm.

Above-mentioned hair sampling device cooperatees through first scissors arm, the second scissors arm, third scissors arm and fourth scissors arm and constitutes first scissors and second scissors, and have the clearance between first scissors and the second scissors, thereby can control first scissors and second scissors action and cut the hair sample of getting suitable length between first scissors and second scissors, because first scissors and second scissors synchronous motion, the length uniformity of the hair sample of cutting is high, be favorable to improving the accuracy of testing result, and whole hair sampling process is easy and simple to handle, the sampling efficiency is high.

Drawings

Fig. 1 is a schematic structural view of a hair sampling device according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, an embodiment of the present invention provides a hair sampling device 100, which includes a first scissor arm 110, a second scissor arm 120, a third scissor arm 130, a fourth scissor arm 140, a first handle 150, and a second handle 160. First scissor arm 110 is cross-hinged to second scissor arm 120 and cooperates to form first scissor 102, and third scissor arm 130 is cross-hinged to fourth scissor arm 140 and cooperates to form second scissor 104. Preferably, the first scissor arm 110 and the third scissor arm 130 are disposed in parallel and spaced apart, and the second scissor arm 120 and the fourth scissor arm 140 are disposed in parallel and spaced apart. The first scissors 102 and the second scissors 104 have a gap therebetween, and by controlling the width of the gap, hair samples of different lengths can be cut by the first scissors 102 and the second scissors 104.

In this embodiment, a first handle 150 is connected to the first scissor arm 110 and the third scissor arm 130, and a second handle 160 is connected to the second scissor arm 120 and the fourth scissor arm 140. When the first handle 150 and the second handle 160 are controlled to move relatively, the first scissor arm 110 and the third scissor arm 130 can be driven to move relatively to the second scissor arm 120 and the fourth scissor arm 140 synchronously so as to control the first scissor 102 and the second scissor 104 to open or engage synchronously, that is, the first handle 150 and the second handle 160 can control the first scissor 102 and the second scissor 104 to open or engage in a linkage manner, so that the structure is simple, the operation is simple and convenient, and the consistency is high.

In one particular example, the cutting edges of first scissor arm 110 and/or second scissor arm 120 are serrated edges, i.e., first scissor 102 is serrated. The tooth edges, namely the blade edges, are provided with notches (namely cutting edges) which are regularly or irregularly distributed, so that only part of hairs can be cut during cutting, the hairs entering the first scissors 102 cannot be completely cut, and compared with the traditional design that the hairs in the corresponding area are completely cut from the root part and one or more vacant areas are left on the head of the measured object, the outer packing image of the measured object can be maintained more favorably by reserving part of the hairs. It is understood that the blade described herein refers to the portion of the scissors where the two arms cooperate to cut, which may be a sharp structure or a blunt structure.

More specifically, in the example of fig. 1, the cutting edges of first scissor arm 110 are dental edges and the cutting edges of second scissor arm 120, third scissor arm 130, and fourth scissor arm 140 are all full edges. The hairs cut by the first scissors 102 can be further cut by the second scissors 104, and the second scissors 104 are full-edge scissors, so that the hairs cut in the gap between the first scissors 102 and the second scissors 104 can be ensured to be consistent in length, and the consistency of hair sampling can be controlled.

Preferably, the cutting edge width of the teeth of the first scissor arm 110 is adjustable, so that the amount of hair to be sampled can be selected according to the cutting edge width, and the operation is flexible. Specifically, an adjusting piece which can be adjusted relative to the position of the first scissor arm 110 may be disposed on the outer side or the inner side of the first scissor arm 110, the adjusting piece may also have regularly or irregularly distributed openings, and the width of the cutting edge of the first scissor arm 110 may be flexibly adjusted by adjusting the position of the adjusting piece on the first scissor arm 110.

In the particular example shown in fig. 1, first scissor 102 and second scissor 104 articulate first scissor arm 110 and second scissor arm 120 and third scissor arm 130 and fourth scissor arm 140, respectively, through the same articulation axis 170. The first scissor arm 110 and the second scissor arm 120 are rotatably connected through a hinge shaft 170, the third scissor arm 130 and the fourth scissor arm 140 are also rotatably connected through the hinge shaft 170, and the rotating shafts of the first scissor 102 and the second scissor 104 are coaxially arranged, which is beneficial to synchronously controlling the actions of the first scissor 102 and the second scissor 104.

Further, in the particular example shown in fig. 1, a first handle 150 is provided at an end of the first scissor arm 110 distal from its cutting edge, and a second handle 160 is provided at an end of the second scissor arm 120 distal from its cutting edge. The first and

second handles

150 and 160 are preferably handles having a ring-shaped or semi-ring-shaped grip portion into which fingers are inserted. Further, in the illustrated embodiment, the first handle 150 is integrally formed with the first scissor arm 110, and the second handle 160 is also integrally formed with the second scissor arm 120. The first handle 150 and the first scissor arm 110 are integrally formed, and the second handle 160 and the second scissor arm 120 are integrally formed, so that the manufacturing is convenient, the structural stability is high, and the assembly is convenient.

In the specific example shown in fig. 1, the first scissor arm 110 and the third scissor arm 130 are connected by a first linkage shaft 180, and the first linkage shaft 180 is fixedly connected with the first scissor arm 110 and the third scissor arm 130, respectively; the second scissor arm 120 and the fourth scissor arm 140 are connected by a second linkage shaft 190, and the second linkage shaft 190 is respectively and fixedly connected with the second scissor arm 120 and the fourth scissor arm 140. The connection point of the third scissor arm 130 and the first linkage shaft 180 is located at the end of the third scissor arm 130 away from the cutting edge thereof, and the connection point of the fourth scissor arm 140 and the second linkage shaft 190 is located at the end of the fourth scissor arm 140 away from the cutting edge thereof.

Preferably, the distance between the first scissors 102 and the second scissors 104 is adjustable, so that the length of the collected hair can be controlled as required, and the practicability of the hair sampling device 100 is enhanced.

Further preferably, the hair sampling device 100 further comprises a hair collection container 200. The hair collecting receptacle 200 is detachably connected to the first scissor arm 110 and the second scissor arm 120. The hair collection container 200 may be hung below the first scissor arm 110 and the second scissor arm 120, so that a cut hair sample between the first scissor 102 and the second scissor 104 may fall into the hair collection container 200 when sampling, further improving the convenience of operation.

When the hair sampling device 100 shown in fig. 1 is used, the open end of the hair collecting container 200 can be hung below the first scissor arm 110 and the second scissor arm 120, the first handle 150 and the second handle 160 are buckled, the first scissor 102 and the second scissor 104 are opened, an operator holds a bundle of hair to be collected, the first scissor 102 is close to the root of the hair, the first handle 150 and the second handle 160 are buckled, a hair sample with a required length can be cut, and if one-time sampling is insufficient, the sampling can be repeated for multiple times. The cut hair portion outside the second scissors 104 just stays on the hands and does not scatter around, and after sampling, it can be discarded in a waste bucket, and the desired hair sample automatically falls into the hair collection container 200 between the first scissors 102 and the second scissors 104.

This hair sampling device 100 cooperatees through first scissors arm 110, second scissors arm 120, third scissors arm 130 and fourth scissors arm 140 and constitutes first scissors 102 and second scissors 104, and have the clearance between first scissors 102 and the second scissors 104, thereby can control first scissors 102 and the action of second scissors 104 and cut the hair sample of suitable length between first scissors 102 and second scissors 104, because first scissors 102 and the synchronous action of second scissors 104, the length uniformity of the hair sample of cutting is high, be favorable to improving the accuracy of testing result, and whole hair sampling process is easy and simple to handle, it is efficient to take a sample.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A hair sampling device comprising a first scissor arm, a second scissor arm, a third scissor arm, a fourth scissor arm, a first handle and a second handle; the first scissor arm and the second scissor arm are hinged in a crossed mode and matched to form first scissors, the third scissor arm and the fourth scissor arm are hinged in a crossed mode and matched to form second scissors, and a gap is formed between the first scissors and the second scissors; the first handle is connected with the first scissor arm and the third scissor arm, the second handle is connected with the second scissor arm and the fourth scissor arm, and the first handle and the second handle can drive the first scissor arm and the third scissor arm to synchronously move relative to the second scissor arm and the fourth scissor arm when moving relatively to control the first scissor and the second scissor to synchronously open or synchronously engage.

2. The hair sampling device of claim 1, wherein the cutting edge of said first scissor arm and/or said second scissor arm is a dental edge.

3. The hair sampling device of claim 2, wherein said cutting edge of said first scissor arm is a dental edge and said cutting edges of said second scissor arm, said third scissor arm, and said fourth scissor arm are all full edges.

4. The hair sampling device of claim 3, wherein the cutting edge width of the teeth edge of said first scissor arm is adjustable.

5. The hair sampling device of claim 1, wherein said first scissors and said second scissors respectively articulate said first scissors arm with said second scissors arm and said third scissors arm with said fourth scissors arm through a same articulation axis.

6. The hair sampling device of claim 1, wherein said first handle is disposed at an end of said first scissor arm distal from said cutting edge thereof, and said second handle is disposed at an end of said second scissor arm distal from said cutting edge thereof.

7. The hair sampling device of claim 6, wherein said first handle is of integral construction with said first scissor arm and said second handle is of integral construction with said second scissor arm.

8. The hair sampling device of claim 1, wherein said first scissor arm and said third scissor arm are connected by a first linkage shaft, and said first linkage shaft is fixedly connected to said first scissor arm and said third scissor arm, respectively;

9. The hair sampling device of any of claims 1-8, wherein a distance between said first scissors and said second scissors is adjustable.

10. The hair sampling device of any of claims 1-8, further comprising a hair collection receptacle removably connected to said first scissor arm and said second scissor arm.