CN106226127B - A kind of sampling mechanism of microorganism - Google Patents

A kind of sampling mechanism of microorganism Download PDF

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CN106226127B
CN106226127B CN201610865135.3A CN201610865135A CN106226127B CN 106226127 B CN106226127 B CN 106226127B CN 201610865135 A CN201610865135 A CN 201610865135A CN 106226127 B CN106226127 B CN 106226127B
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vertical
sleeve
arc
wall
hole
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CN106226127A (en
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李风浪
李舒歆
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Zhejiang Richness Victory Reaches Science And Technology Ltd
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Zhejiang Fu Shengda Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices

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Abstract

本发明公开了一种微生物的取样机构,包括滴管和套管,套管的中部成型有圆形通孔,滴管的顶端成型有L形的折弯部,折弯部由水平部和竖直部组成,竖直部插接在套管下端的圆形通孔中;竖直部内插接有倒置的试管,圆形通孔的上端相对的内侧壁上成型有两条竖直的插接槽,插接槽内插接固定有支撑轴承,支撑轴承内插套有竖直的连接杆,连接杆的侧壁上成型有与试管的外侧壁相对应的弧形夹片,连接杆与插接槽的内壁之间固定连接有若干拉伸弹簧;套管下部外侧壁上成型有竖向的凹槽,凹槽内插接有限位板的导向块,限位板的下端成型有铰接轴,止挡板的上端铰接在铰接轴上。本发明方便对微生物进行取样测试,取样后方便进行清洗,以便再次取样使用。

The invention discloses a microbial sampling mechanism, which includes a dropper and a casing. A circular through hole is formed in the middle of the casing, and an L-shaped bending part is formed at the top of the dropper. The bending part consists of a horizontal part and a vertical part. The vertical part is inserted into the circular through hole at the lower end of the casing; the vertical part is inserted with an inverted test tube, and two vertical insertions are formed on the inner wall opposite the upper end of the circular through hole. A support bearing is plugged and fixed in the socket slot, and a vertical connecting rod is inserted in the supporting bearing. The side wall of the connecting rod is formed with an arc-shaped clip corresponding to the outer wall of the test tube. A number of tension springs are fixedly connected between the inner walls of the connecting grooves; a vertical groove is formed on the outer wall of the lower part of the casing, and the guide block of the limiting plate is inserted into the groove, and the lower end of the limiting plate is formed with a hinge shaft. The upper end of stop plate is hinged on the hinge shaft. The invention is convenient for sampling and testing the microorganisms, and is convenient for cleaning after sampling so as to sample again for use.

Description

一种微生物的取样机构A microbial sampling mechanism

技术领域:Technical field:

本发明涉及生物培养器材的技术领域,具体是涉及一种微生物的取样机构。The invention relates to the technical field of biological culture equipment, in particular to a sampling mechanism for microorganisms.

背景技术:Background technique:

取样是从目标事物中选择有代表性的样本,即从大量物品或材料中抽取少量作为样品的过程。在微生物或细菌培养过程中,亦需要取样来进行观察或测试,现有的取样器材一般为滴管,通过滴管采集培养皿中的微生物或细菌,然后放到试片上或试管内以便进行观察或测试。然而,上述过程中的滴管在进行一次取样过程中即受到污染,不进行清洗就不能进行再次取样,而现有的滴管清洗较为不方便,需要更为清洗方便的取样器材。Sampling is the process of selecting a representative sample from a target object, that is, taking a small amount from a large number of items or materials as a sample. In the process of microbial or bacterial culture, it is also necessary to take samples for observation or testing. The existing sampling equipment is generally a dropper, through which the microorganisms or bacteria in the petri dish are collected, and then placed on a test piece or in a test tube for observation or test. However, the dropper in the above process is polluted during the first sampling process, and re-sampling cannot be performed without cleaning. However, the existing dropper is inconvenient to clean, and more convenient sampling equipment is needed.

发明内容:Invention content:

本发明的目的旨在解决现有技术存在的问题,提供一种方便对微生物进行取样测试,取样后方便进行清洗,以便再次取样使用的微生物的取样机构。The object of the present invention is to solve the problems in the prior art, and provide a sampling mechanism for microorganisms that are convenient for sampling and testing, and for cleaning after sampling, so as to re-sample the microorganisms used.

本发明涉及一种微生物的取样机构,包括圆锥形的滴管,还包括圆柱形的套管,所述套管的中部成型有圆形通孔,所述圆形通孔贯穿套管的上下端面,所述滴管的顶端成型有L形的折弯部,所述折弯部由水平部和竖直部组成,所述竖直部插接在套管下端的圆形通孔中;The invention relates to a microbial sampling mechanism, which includes a conical dropper and a cylindrical casing, the middle of the casing is formed with a circular through hole, and the circular through hole runs through the upper and lower end surfaces of the casing , the top of the dropper is formed with an L-shaped bending portion, the bending portion is composed of a horizontal portion and a vertical portion, and the vertical portion is inserted into the circular through hole at the lower end of the casing;

所述滴管的折弯部的竖直部内插接有倒置的试管,所述试管的上端位于套管上端的圆形通孔内,所述圆形通孔的上端相对的内侧壁上成型有两条竖直的插接槽,所述插接槽内插接固定有支撑轴承,所述支撑轴承呈半圆形,两条插接槽内的支撑轴承的开口相对设置,支撑轴承内插套有竖直的连接杆,所述连接杆的侧壁上成型有与试管的外侧壁相对应的弧形夹片,连接杆与插接槽的内壁之间固定连接有若干拉伸弹簧;An inverted test tube is inserted into the vertical part of the bending part of the dropper, the upper end of the test tube is located in the circular through hole at the upper end of the casing, and the inner wall opposite to the upper end of the circular through hole is formed with a Two vertical insertion slots, in which a support bearing is inserted and fixed, the support bearing is in the shape of a semicircle, the openings of the support bearings in the two insertion slots are arranged oppositely, and the inner sleeve of the support bearing There is a vertical connecting rod, the side wall of the connecting rod is formed with an arc-shaped clip corresponding to the outer wall of the test tube, and a number of tension springs are fixedly connected between the connecting rod and the inner wall of the insertion groove;

所述套管下部外侧壁上成型有竖向的凹槽,所述凹槽内插接有限位板的导向块,所述限位板覆盖在套管的外侧壁上,限位板的下端成型有横向的铰接轴,止挡板的上端铰接在所述铰接轴上,所述止挡板包括两侧的止挡部和连接在所述止挡部之间的弧形部,止挡部抵靠在滴管的折弯部的水平部的两侧,所述水平部的底面抵靠在所述弧形部上;A vertical groove is formed on the outer wall of the lower part of the casing, and a guide block of a limiting plate is inserted into the groove, and the limiting plate covers the outer wall of the casing, and the lower end of the limiting plate is formed There is a horizontal hinge shaft, the upper end of the stop plate is hinged on the hinge shaft, and the stop plate includes stop parts on both sides and an arc part connected between the stop parts. Lean against both sides of the horizontal portion of the bent portion of the dropper, the bottom surface of the horizontal portion leans against the arc portion;

所述插接槽呈圆弧形,一条插接槽内设有两个上下设置的支撑轴承,所述两个上下设置的支撑轴承之间的插接槽内固定有两个所述拉伸弹簧,所述连接杆的上端穿出套管的圆形通孔并成型有推拉手柄;The insertion groove is arc-shaped, and two support bearings arranged up and down are arranged in one insertion groove, and two tension springs are fixed in the insertion groove between the two support bearings arranged up and down. , the upper end of the connecting rod passes through the circular through hole of the casing and is formed with a push-pull handle;

所述套管下部外侧壁上成型有两条竖向的凹槽,所述限位板的侧壁上成型有两个导向块,所述导向块分别插接在对应的凹槽内,限位板呈与套管外壁相同弧度的弧形,限位板的下端两侧成型有两个竖向的延伸部,所述铰接轴成型在所述两个延伸部之间。Two vertical grooves are formed on the outer side wall of the lower part of the casing, and two guide blocks are formed on the side wall of the limiting plate, and the guide blocks are respectively inserted into the corresponding grooves to limit the position. The plate is arc-shaped with the same radian as the outer wall of the casing, two vertical extensions are formed on both sides of the lower end of the limiting plate, and the hinge shaft is formed between the two extensions.

借由上述技术方案,本发明的取样机构在使用时,首先将滴管与套管连接,具体地,将滴管的折弯部的竖直部从套管下端的插套进套管的圆形通孔内,此时折弯部的水平部位于套管的下方,初始时限位板插接在套管的外侧壁上,止挡板在限位板的下端呈与限位板相同的竖向状态,当滴管与套管连接完成之后,掰动止挡板使得止挡板绕着铰接轴转动至与限位板呈垂直的状态,然后根据折弯部的竖直部插进套管的圆形通孔的深度向上移动限位板使得限位板的导向块在套管的凹槽内移动,直至止挡板抵靠在滴管的折弯部的水平部上,具体地,止挡板的止挡部抵靠在水平部的两侧,止挡板的弧形部抵靠在水平部的底面上,如此,止挡板将滴管托持住,从而防止滴管与套管脱离。滴管与套管连接完毕之后,将试管通过套管的圆形通孔倒置插到折弯部内,通过将连接杆从插接槽内的支撑轴承内抽出,使得连接杆上的弧形夹片将试管的两侧夹持住,则就可以用于取样使用,取样时通过上下推拉连接杆使得试管在滴管的折弯部内上下移动,就可以使滴管的头部采集样品,采取样品后倒置整个滴管装置,则样品就流入试管内,松开连接杆使得弧形夹片不夹持试管即可将试管取下,在上述过程中连接杆在拉伸弹簧的弹力作用下可在套管的圆形通孔内上下移动,取样完毕后将连接杆再次插套在支撑轴承内,同时拉伸弹簧复位。最后再次掰动止挡板使得止挡板恢复竖向状态,即可从套管上取下滴管,方便滴管进行清洗,以便再次取样使用。By means of the above technical solution, when the sampling mechanism of the present invention is in use, first connect the dropper to the casing, specifically, insert the vertical part of the bending part of the dropper into the circle of the casing from the socket at the lower end of the casing. At this time, the horizontal part of the bending part is located below the sleeve. Initially, the limit plate is inserted on the outer wall of the sleeve, and the stop plate is in the same vertical position as the limit plate at the lower end of the limit plate. In the direction state, when the connection between the dropper and the sleeve is completed, move the stop plate so that the stop plate rotates around the hinge shaft to a state perpendicular to the limit plate, and then inserts the sleeve tube according to the vertical part of the bending part The depth of the circular through hole moves the limit plate upward so that the guide block of the limit plate moves in the groove of the sleeve until the stop plate abuts against the horizontal portion of the bend of the dropper, specifically, stops The stop part of the baffle is against the both sides of the horizontal part, and the arc part of the stopper is against the bottom surface of the horizontal part, so that the stopper holds the dropper, thereby preventing the dropper from colliding with the casing. break away. After the dropper and the casing are connected, insert the test tube upside down through the circular through hole of the casing into the bending part, and pull the connecting rod out of the support bearing in the insertion groove so that the arc-shaped clip on the connecting rod Clamp both sides of the test tube, then it can be used for sampling. When sampling, push and pull the connecting rod up and down to make the test tube move up and down in the bending part of the dropper, so that the head of the dropper can collect samples. After taking the sample Invert the entire dropper device, the sample will flow into the test tube, loosen the connecting rod so that the curved clip does not clamp the test tube and the test tube can be removed. The circular through hole of the tube moves up and down, and after the sampling is completed, the connecting rod is inserted into the supporting bearing again, and the spring is stretched to reset at the same time. Finally, the stopper is moved again so that the stopper returns to the vertical state, and the dropper can be taken off from the sleeve pipe, which is convenient for the dropper to be cleaned so that it can be used for sampling again.

通过上述方案,本发明的取样机构利用试管和滴管相互配合进行取样,方便对微生物进行取样测试,取样后方便对滴管进行清洗,以便再次取样使用。Through the above scheme, the sampling mechanism of the present invention uses the test tube and the dropper to cooperate with each other to sample, which is convenient for sampling and testing the microorganisms, and after sampling, it is convenient to clean the dropper for re-sampling.

作为上述方案的一种优选,所述弧形的限位板的外侧壁上成型有弧形的推拉把手。As a preference of the above solution, an arc-shaped push-pull handle is formed on the outer wall of the arc-shaped limiting plate.

作为上述方案的一种优选,所述折弯部的竖直部的内壁与试管之间夹持有密封环,所述密封环固定在折弯部的竖直部的内壁上。As a preference of the above solution, a sealing ring is clamped between the inner wall of the vertical part of the bending part and the test tube, and the sealing ring is fixed on the inner wall of the vertical part of the bending part.

作为上述方案的一种优选,所述止挡板的止挡部和弧形部的内侧壁上均成型有弹性缓冲层。As a preference of the above solution, an elastic buffer layer is formed on the inner wall of the stop portion and the arc portion of the stop plate.

作为上述方案的一种优选,所述止挡板的弧形部半径等于折弯部的水平部外壁半径。As a preference of the above solution, the radius of the arc portion of the stop plate is equal to the radius of the outer wall of the horizontal portion of the bent portion.

作为上述方案的一种优选,所述套管的圆形通孔的直径等于折弯部的竖直部的直径。As a preference of the above solution, the diameter of the circular through hole of the sleeve is equal to the diameter of the vertical portion of the bent portion.

作为上述方案的一种优选,所述试管的长度不小于折弯部的竖直部的长度。As a preference of the above solution, the length of the test tube is not less than the length of the vertical portion of the bent portion.

上述说明仅是本发明技术方案的概述,为了能够更清楚了解本发明的技术手段,并可依照说明书的内容予以实施,以下以本发明的较佳实施例并配合附图详细说明如后。The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly and implement them according to the contents of the description, the preferred embodiments of the present invention and accompanying drawings are described in detail below.

附图说明:Description of drawings:

以下附图仅旨在于对本发明做示意性说明和解释,并不限定本发明的范围。其中:The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. in:

图1为本发明侧视的结构示意图;Fig. 1 is the structural representation of side view of the present invention;

图2为图1的剖视图;Fig. 2 is the sectional view of Fig. 1;

图3为本发明正视的结构示意图;Fig. 3 is the structural representation of the present invention front view;

图4为本发明俯视图的局部结构示意图;Fig. 4 is the partial structural schematic diagram of top view of the present invention;

图5为本发明的局部剖视图;Figure 5 is a partial sectional view of the present invention;

图6为本发明中限位板与止挡板之间的结构示意图。Fig. 6 is a schematic diagram of the structure between the limiting plate and the stopper plate in the present invention.

具体实施方式:Detailed ways:

下面结合附图和实施例,对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明,但不用来限制本发明的范围。The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

参见图1至图3,本发明所述的一种微生物的取样机构,包括圆锥形的滴管10,还包括圆柱形的套管20,所述套管的中部成型有圆形通孔21,所述圆形通孔贯穿套管20的上下端面,所述滴管10的顶端成型有L形的折弯部11,所述折弯部由水平部111和竖直部112组成,所述竖直部112插接在套管20下端的圆形通孔21中,套管20的圆形通孔21的直径等于折弯部11的竖直部112的直径。Referring to Fig. 1 to Fig. 3, a kind of microbial sampling mechanism of the present invention comprises conical dropper 10, also comprises cylindrical casing 20, and the middle part of described casing is formed with circular through hole 21, The circular through hole runs through the upper and lower end surfaces of the sleeve 20, and the top end of the dropper 10 is formed with an L-shaped bending portion 11, the bending portion is composed of a horizontal portion 111 and a vertical portion 112, the vertical portion The straight portion 112 is inserted into the circular through hole 21 at the lower end of the sleeve 20 , and the diameter of the circular through hole 21 of the sleeve 20 is equal to the diameter of the vertical portion 112 of the bent portion 11 .

参见图2、图4、图5,所述滴管10的折弯部11的竖直部112内插接有倒置的试管30,折弯部11的竖直部112的内壁与试管30之间夹持有密封环40,所述密封环固定在折弯部11的竖直部112的内壁上,所述试管30的上端位于套管20上端的圆形通孔21内,试管30的长度不小于折弯部11的竖直部112的长度,所述圆形通孔21的上端相对的内侧壁上成型有两条竖直的插接槽211,所述插接槽内插接固定有支撑轴承50,所述支撑轴承呈半圆形,两条插接槽211内的支撑轴承50的开口相对设置,支撑轴承50内插套有竖直的连接杆60,所述连接杆的侧壁上成型有与试管30的外侧壁相对应的弧形夹片61,连接杆60与插接槽211的内壁之间固定连接有若干拉伸弹簧70。Referring to Fig. 2, Fig. 4 and Fig. 5, an inverted test tube 30 is inserted into the vertical part 112 of the bending part 11 of the dropper 10, and the inner wall of the vertical part 112 of the bending part 11 and the test tube 30 The sealing ring 40 is clamped, and the sealing ring is fixed on the inner wall of the vertical part 112 of the bending part 11. The upper end of the test tube 30 is located in the circular through hole 21 at the upper end of the casing 20. The length of the test tube 30 is not Shorter than the length of the vertical portion 112 of the bending portion 11, two vertical insertion slots 211 are formed on the inner side wall opposite the upper end of the circular through hole 21, and a support is inserted and fixed in the insertion slot. Bearing 50, the support bearing is semicircular, the openings of the support bearing 50 in the two insertion grooves 211 are arranged oppositely, the support bearing 50 is inserted with a vertical connecting rod 60, and the side wall of the connecting rod An arc clip 61 corresponding to the outer wall of the test tube 30 is formed, and several tension springs 70 are fixedly connected between the connecting rod 60 and the inner wall of the insertion groove 211 .

参见图4、图5,所述插接槽211呈圆弧形,一条插接槽211内设有两个上下设置的支撑轴承50,所述两个上下设置的支撑轴承50之间的插接槽211内固定有两个所述拉伸弹簧70,所述连接杆60的上端穿出套管20的圆形通孔21并成型有推拉手柄62。Referring to Fig. 4 and Fig. 5, the insertion groove 211 is arc-shaped, and two support bearings 50 arranged up and down are arranged in one insertion groove 211, and the insertion between the two support bearings 50 arranged up and down Two tension springs 70 are fixed in the slot 211 , and the upper end of the connecting rod 60 passes through the circular through hole 21 of the sleeve 20 and is formed with a push-pull handle 62 .

参见图1、图2、图6,所述套管20下部外侧壁上成型有竖向的凹槽22,所述凹槽内插接有限位板80的导向块81,所述限位板80覆盖在套管20的外侧壁上,限位板80的下端成型有横向的铰接轴82,止挡板90的上端铰接在所述铰接轴82上,所述止挡板90包括两侧的止挡部91和连接在所述止挡部之间的弧形部92,止挡部91和弧形部92的内侧壁上均成型有弹性缓冲层100,止挡部91抵靠在滴管10的折弯部11的水平部111的两侧,所述水平部111的底面抵靠在所述弧形部92上,弧形部92半径等于折弯部11的水平部111外壁半径。Referring to Fig. 1, Fig. 2 and Fig. 6, a vertical groove 22 is formed on the outer side wall of the lower part of the sleeve 20, and the guide block 81 of the limiting plate 80 is inserted into the groove, and the limiting plate 80 Covering the outer wall of the sleeve 20, the lower end of the limit plate 80 is formed with a transverse hinge shaft 82, and the upper end of the stop plate 90 is hinged on the hinge shaft 82, and the stop plate 90 includes stop plates on both sides. The stop part 91 and the arc part 92 connected between the stop parts, the inner side walls of the stop part 91 and the arc part 92 are formed with elastic buffer layers 100, and the stop part 91 abuts against the dropper 10 On both sides of the horizontal portion 111 of the bent portion 11 , the bottom surface of the horizontal portion 111 abuts on the arc portion 92 , and the radius of the arc portion 92 is equal to the radius of the outer wall of the horizontal portion 111 of the bent portion 11 .

参见图6,所述套管20下部外侧壁上成型有两条竖向的凹槽22,所述限位板80的侧壁上成型有两个导向块81,所述导向块分别插接在对应的凹槽22内,限位板80呈与套管20外壁相同弧度的弧形,弧形的限位板80的外侧壁上成型有弧形的推拉把手83,限位板80的下端两侧成型有两个竖向的延伸部84,所述铰接轴82成型在所述两个延伸部84之间。Referring to Fig. 6, two vertical grooves 22 are formed on the outer side wall of the lower part of the sleeve 20, and two guide blocks 81 are formed on the side wall of the limiting plate 80, and the guide blocks are respectively inserted into In the corresponding groove 22, the limiting plate 80 is arc-shaped with the same radian as the outer wall of the casing 20, and an arc-shaped push-pull handle 83 is formed on the outer wall of the arc-shaped limiting plate 80. The sides are formed with two vertical extensions 84 between which the articulation axis 82 is formed.

本发明的取样机构在具体实施时,首先将滴管10与套管20连接,具体地,将滴管10的折弯部11的竖直部112从套管20下端的插套进套管20的圆形通孔21内,此时折弯部11的水平部111位于套管20的下方,初始时限位板80插接在套管20的外侧壁上,止挡板90在限位板80的下端呈与限位板80相同的竖向状态,当滴管10与套管20连接完成之后,掰动止挡板90使得止挡板90绕着铰接轴82转动至与限位板80呈垂直的状态,然后根据折弯部11的竖直部112插进套管20的圆形通孔21的深度向上移动限位板80使得限位板80的导向块81在套管20的凹槽22内移动,直至止挡板90抵靠在滴管10的折弯部11的水平部111上,具体地,止挡板90的止挡部91抵靠在水平部111的两侧,止挡板90的弧形部92抵靠在水平部111的底面上,如此,止挡板90将滴管10托持住,从而防止滴管10与套管20脱离。When the sampling mechanism of the present invention is implemented, firstly, the dropper 10 is connected with the sleeve 20, specifically, the vertical portion 112 of the bent portion 11 of the dropper 10 is inserted into the sleeve 20 from the lower end of the sleeve 20. In the circular through hole 21, the horizontal portion 111 of the bent portion 11 is located below the sleeve 20 at this time, the limit plate 80 is plugged into the outer wall of the sleeve 20 initially, and the stop plate 90 is on the limit plate 80 The lower end of the lower end is in the same vertical state as the limit plate 80. When the connection between the dropper 10 and the sleeve 20 is completed, the stop plate 90 is moved so that the stop plate 90 rotates around the hinge shaft 82 to be in the same position as the limit plate 80. Vertical state, then according to the depth of the vertical part 112 of the bending part 11 inserted into the circular through hole 21 of the sleeve 20, move the limiting plate 80 upwards so that the guide block 81 of the limiting plate 80 is in the groove of the sleeve 20 22 until the stop plate 90 abuts against the horizontal portion 111 of the bent portion 11 of the dropper 10, specifically, the stop portion 91 of the stop plate 90 abuts against both sides of the horizontal portion 111, and the stop The arc portion 92 of the plate 90 abuts against the bottom surface of the horizontal portion 111 , so that the stop plate 90 supports the drip tube 10 , thereby preventing the drip tube 10 from being separated from the sleeve 20 .

滴管10与套管20连接完毕之后,将试管30通过套管20的圆形通孔21倒置插到折弯部11内,通过将连接杆60从插接槽211内的支撑轴承50内抽出,使得连接杆60上的弧形夹片61将试管30的两侧夹持住,则就可以用于取样使用,取样时通过上下推拉连接杆60使得试管30在滴管10的折弯部11内上下移动,就可以使滴管10的头部采集样品,采取样品后倒置整个滴管装置,则样品就流入试管30内,松开连接杆60使得弧形夹片61不夹持试管30即可将试管30取下,在上述过程中连接杆60在拉伸弹簧70的弹力作用下可在套管20的圆形通孔21内上下移动,取样完毕后将连接杆60再次插套在支撑轴承50内,同时拉伸弹簧70复位。最后再次掰动止挡板90使得止挡板90恢复竖向状态,即可从套管20上取下滴管10,方便滴管10进行清洗,以便再次取样使用。After the dropper 10 and the sleeve 20 are connected, the test tube 30 is inserted upside down through the circular through hole 21 of the sleeve 20 into the bending portion 11, and the connecting rod 60 is pulled out from the support bearing 50 in the insertion groove 211. , so that the arc clips 61 on the connecting rod 60 clamp both sides of the test tube 30, then it can be used for sampling. When sampling, push and pull the connecting rod 60 up and down to make the test tube 30 in the bending part 11 of the dropper 10. Move up and down inside, just can make the head of burette 10 collect sample, take sample and invert whole burette device, then sample just flows in the test tube 30, unclamps connecting rod 60 so that arc clip 61 does not clamp test tube 30 namely The test tube 30 can be removed. During the above process, the connecting rod 60 can move up and down in the circular through hole 21 of the sleeve 20 under the elastic force of the tension spring 70. After the sampling is completed, the connecting rod 60 can be inserted into the support again. In the bearing 50, the extension spring 70 resets simultaneously. Finally, the stopper 90 is moved again so that the stopper 90 returns to the vertical state, and the dropper 10 can be removed from the casing 20, which facilitates cleaning of the dropper 10 for sampling again.

综上所述,本发明的取样机构利用试管和滴管相互配合进行取样,方便对微生物进行取样测试,取样后方便对滴管进行清洗,以便再次取样使用。To sum up, the sampling mechanism of the present invention uses the test tube and the dropper to cooperate with each other to sample, which is convenient for sampling and testing the microorganisms. After sampling, it is convenient to clean the dropper for re-sampling.

本发明所提供的微生物的取样机构,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明保护范围之内。因此,本发明的保护范围应以所述权利要求的保护范围为准。The sampling mechanism of microorganisms provided by the present invention is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person familiar with the technical field can easily Any changes or substitutions that come to mind should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (7)

1.一种微生物的取样机构,包括圆锥形的滴管(10),其特征在于:1. a sampling mechanism for microorganisms, comprising a conical dropper (10), characterized in that: 还包括圆柱形的套管(20),所述套管的中部成型有圆形通孔(21),所述圆形通孔贯穿套管(20)的上下端面,所述滴管(10)的顶端成型有L形的折弯部(11),所述折弯部由水平部(111)和竖直部(112)组成,所述竖直部插接在套管(20)下端的圆形通孔(21)中;Also includes a cylindrical sleeve (20), the middle part of the sleeve is formed with a circular through hole (21), the circular through hole runs through the upper and lower end faces of the sleeve (20), the dropper (10) There is an L-shaped bending part (11) formed at the top of the top, and the bending part is composed of a horizontal part (111) and a vertical part (112), and the vertical part is inserted into the circle at the lower end of the sleeve (20). In the shaped through hole (21); 所述滴管(10)的折弯部(11)的竖直部(112)内插接有倒置的试管(30),所述试管的上端位于套管(20)上端的圆形通孔(21)内,所述圆形通孔(21)的上端相对的内侧壁上成型有两条竖直的插接槽(211),所述插接槽内插接固定有支撑轴承(50),所述支撑轴承呈半圆形,两条插接槽(211)内的支撑轴承(50)的开口相对设置,支撑轴承(50)内插套有竖直的连接杆(60),所述连接杆的侧壁上成型有与试管(30)的外侧壁相对应的弧形夹片(61),连接杆(60)与插接槽(211)的内壁之间固定连接有若干拉伸弹簧(70);An inverted test tube (30) is inserted into the vertical part (112) of the bending part (11) of the dropper (10), and the upper end of the test tube is located in the circular through hole ( 21), two vertical insertion slots (211) are formed on the inner side wall opposite to the upper end of the circular through hole (21), and a support bearing (50) is inserted and fixed in the insertion slots, The support bearing is semicircular, and the openings of the support bearings (50) in the two insertion slots (211) are arranged oppositely, and the support bearing (50) is inserted with a vertical connecting rod (60), and the connecting The side wall of the bar is formed with an arc clip (61) corresponding to the outer side wall of the test tube (30), and some tension springs ( 70); 所述套管(20)下部外侧壁上成型有竖向的凹槽(22),所述凹槽内插接有限位板(80)的导向块(81),所述限位板(80)覆盖在套管(20)的外侧壁上,限位板(80)的下端成型有横向的铰接轴(82),止挡板(90)的上端铰接在所述铰接轴(82)上,所述止挡板(90)包括两侧的止挡部(91)和连接在所述止挡部之间的弧形部(92),止挡部(91)抵靠在滴管(10)的折弯部(11)的水平部(111)的两侧,所述水平部(111)的底面抵靠在所述弧形部(92)上;A vertical groove (22) is formed on the outer side wall of the lower part of the sleeve (20), and the guide block (81) of the limiting plate (80) is inserted into the groove, and the limiting plate (80) Covering the outer wall of the sleeve (20), the lower end of the limiting plate (80) is formed with a transverse hinge shaft (82), and the upper end of the stop plate (90) is hinged on the hinge shaft (82). The stopper plate (90) includes stoppers (91) on both sides and an arc-shaped part (92) connected between the stoppers, and the stoppers (91) are against the bottom of the dropper (10). Both sides of the horizontal portion (111) of the bent portion (11), the bottom surface of the horizontal portion (111) abuts against the arc portion (92); 所述插接槽(211)呈圆弧形,一条插接槽(211)内设有两个上下设置的支撑轴承(50),所述两个上下设置的支撑轴承(50)之间的插接槽(211)内固定有两个所述拉伸弹簧(70),所述连接杆(60)的上端穿出套管(20)的圆形通孔(21)并成型有推拉手柄(62);The insertion slots (211) are arc-shaped, and one insertion slot (211) is provided with two support bearings (50) arranged up and down, and the insertion between the two support bearings (50) arranged up and down Two said extension springs (70) are fixed in the connecting groove (211), and the upper end of said connecting rod (60) passes through the circular through hole (21) of the sleeve (20) and is formed with a push-pull handle (62 ); 所述套管(20)下部外侧壁上成型有两条竖向的凹槽(22),所述限位板(80)的侧壁上成型有两个导向块(81),所述导向块分别插接在对应的凹槽(22)内,限位板(80)呈与套管(20)外壁相同弧度的弧形,限位板(80)的下端两侧成型有两个竖向的延伸部(84),所述铰接轴(82)成型在所述两个延伸部(84)之间。Two vertical grooves (22) are formed on the outer side wall of the lower part of the sleeve (20), and two guide blocks (81) are formed on the side wall of the limiting plate (80). Inserted in the corresponding grooves (22) respectively, the limiting plate (80) is arc-shaped with the same radian as the outer wall of the casing (20), and two vertical grooves are formed on both sides of the lower end of the limiting plate (80). An extension (84), the hinge shaft (82) is formed between the two extensions (84). 2.根据权利要求1所述的微生物的取样机构,其特征在于:所述弧形的限位板(80)的外侧壁上成型有弧形的推拉把手(83)。2. The microbial sampling mechanism according to claim 1, characterized in that: an arc-shaped push-pull handle (83) is formed on the outer wall of the arc-shaped limiting plate (80). 3.根据权利要求1所述的微生物的取样机构,其特征在于:所述折弯部(11)的竖直部(112)的内壁与试管(30)之间夹持有密封环(40),所述密封环固定在折弯部(11)的竖直部(112)的内壁上。3. The sampling mechanism for microorganisms according to claim 1, characterized in that: a sealing ring (40) is sandwiched between the inner wall of the vertical portion (112) of the bending portion (11) and the test tube (30) , the sealing ring is fixed on the inner wall of the vertical portion (112) of the bent portion (11). 4.根据权利要求1所述的微生物的取样机构,其特征在于:所述止挡板(90)的止挡部(91)和弧形部(92)的内侧壁上均成型有弹性缓冲层(100)。4. The sampling mechanism for microorganisms according to claim 1, characterized in that: elastic buffer layers are formed on the inner sidewalls of the stopper (91) and the arc-shaped part (92) of the stopper (90) (100). 5.根据权利要求1所述的微生物的取样机构,其特征在于:所述止挡板(90)的弧形部(92)半径等于折弯部(11)的水平部(111)外壁半径。5. The microbial sampling mechanism according to claim 1, characterized in that: the radius of the arc portion (92) of the stop plate (90) is equal to the radius of the outer wall of the horizontal portion (111) of the bending portion (11). 6.根据权利要求1所述的微生物的取样机构,其特征在于:所述套管(20)的圆形通孔(21)的直径等于折弯部(11)的竖直部(112)的直径。6. The sampling mechanism of microorganisms according to claim 1, characterized in that: the diameter of the circular through hole (21) of the sleeve (20) is equal to the diameter of the vertical portion (112) of the bending portion (11). diameter. 7.根据权利要求1所述的微生物的取样机构,其特征在于:所述试管(30)的长度不小于折弯部(11)的竖直部(112)的长度。7. The microorganism sampling mechanism according to claim 1, characterized in that: the length of the test tube (30) is not less than the length of the vertical portion (112) of the bending portion (11).
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