CN217180111U

CN217180111U - Container-free sampling device in clean environment

Info

Publication number: CN217180111U
Application number: CN202220489245.5U
Authority: CN
Inventors: 黄睿; 杜廷文; 焦提成
Original assignee: Mingshi New Materials Co ltd
Current assignee: Mingshi New Materials Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-08-12
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a exempt from container sampling device among clean environment, including hollow imbibition section of thick bamboo and with the pipette of connection can be dismantled to imbibition section of thick bamboo bottom, the top of imbibition section of thick bamboo is provided with the auto sucking subassembly, the top of pipette is provided with the flaring, the bottom of imbibition section of thick bamboo with the flaring is pegged graft, the outer wall of imbibition section of thick bamboo bottom with from the top down has set gradually sealing element and a plurality of grafting sealing element between the flaring inner wall. The utility model adopts the above structure a exempt from container sampling device among clean environment, solved the sampler inner wall and remained liquid more and send a kind to detect the problem that needs shift once more to quantitative sample has been realized.

Description

Container-free sampling device in clean environment

Technical Field

The utility model relates to a liquid sampling equipment technical field especially relates to a exempt from container sampling device among clean environment.

Background

Polyimide is one of organic macromolecular material, in polyimide's production process, need follow the reation kettle in extract partly sample and carry out the analysis and detection, monitor the process of polyimide production, but sampler among the prior art is carrying out the sample in-process to polyimide, remains too much liquid on the sampler and causes the waste, and takes out the sample and send the appearance still need shift to other containers in, then detects again, causes the pollution at liquid transfer process easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a exempt from container sampling device among clean environment to cause in the sampler to remain too much liquid and sample still need carry out the problem that shifts through other containers when solving the liquid among the above-mentioned sampler extraction reation kettle.

In order to achieve the above object, the utility model provides a exempt from container sampling device among clean environment, including hollow imbibition section of thick bamboo and with the pipette of connection can be dismantled to imbibition section of thick bamboo bottom, the top of imbibition section of thick bamboo is provided with inhales the material subassembly, the top of pipette is provided with the flaring, the bottom of imbibition section of thick bamboo with the flaring is pegged graft, the outer wall of imbibition section of thick bamboo bottom with from the top down has set gradually sealing element and a plurality of grafting sealing element between the flaring inner wall.

Preferably, inhale the material subassembly and include push pedal, push rod and sucking disc, the one end of push rod with the push pedal is connected, the other end of push rod with the sucking disc is connected, the sucking disc set up in inhale a liquid section of thick bamboo, the outer wall of sucking disc with inhale an inner wall sliding connection of liquid section of thick bamboo.

Preferably, the inserting sealing element comprises a sealing ring arranged on the inner wall of the flaring, and a first bulge and a second bulge which are arranged at the bottom end of the liquid suction barrel, a sealing groove is formed between the first bulge and the second bulge, and the sealing ring is arranged in the sealing groove.

Preferably, the sealing element comprises an insertion block arranged on the outer wall of the liquid suction cylinder and a clamping piece arranged at the end part of the flaring, the insertion block is provided with an insertion groove, and the clamping piece is arranged in the insertion groove and is in sealing connection with the insertion groove.

Preferably, the insertion groove comprises a first sealing lip close to one side of the liquid suction cylinder and a second sealing lip far away from one side of the liquid suction cylinder, the first sealing lip bends towards the second sealing lip, the inner side of the clamping piece abuts against the first sealing lip, and the outer side of the clamping piece abuts against the second sealing lip.

Therefore, the utility model adopts the above structure a container sampling device exempts from among clean environment installs the pipette the bottom of a liquid suction cylinder, and the front end of liquid suction pipe is put below the liquid level when using, shifts liquid to the pipette through inhaling the material subassembly, and the back is accomplished in the sample, seals the top and the bottom of pipette, directly send the appearance to detect can, need not to adopt other containers to shift after the sample, avoided sample pollution, convenient to use.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a container-free sampling device in a clean environment according to the present invention;

FIG. 2 is a schematic diagram of a plug-in seal of an embodiment of a container-free sampling device in a clean environment according to the present invention;

fig. 3 is an enlarged view of a portion a of an embodiment of a container-less sampling device in a clean environment according to the present invention.

In the figure: 1. a liquid suction cylinder; 2. a pipette; 3. a push rod; 4. pushing the plate; 5. a first protrusion; 6. a second protrusion; 7. a seal ring; 8. a fastener; 9. an insertion block; 10. a first sealing lip; 11. and a second sealing lip.

Detailed Description

The technical solution of the present invention is further explained by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The following describes embodiments of the present invention with reference to the accompanying drawings. As shown in fig. 1-3, a container-free sampling device in a clean environment comprises a hollow liquid suction tube 1 and a liquid suction tube 2 detachably connected with the bottom end of the liquid suction tube 1, wherein a material suction assembly is arranged at the top end of the liquid suction tube 1, a flared opening is arranged at the top end of the liquid suction tube 2, the bottom end of the liquid suction tube 1 is spliced with the flared opening, and a sealing piece and a plurality of splicing sealing pieces are sequentially arranged between the outer wall of the bottom end of the liquid suction tube 1 and the inner wall of the flared opening from top to bottom. Inhale the material subassembly and include push pedal 4, push rod 3 and sucking disc, the one end of push rod 3 is connected with push pedal 4, and the other end of push rod 3 is connected with the sucking disc, and the sucking disc sets up in imbibition section of thick bamboo 1, the outer wall of sucking disc and the inner wall sliding connection of imbibition section of thick bamboo 1. Pipette 2 is disposable pipette 2, can temporarily store the liquid of following suction in reation kettle as the container, and pipette 2 and an imbibition section of thick bamboo 1 realize dismantling the connection through pegging graft, are convenient for dismantle the pipette 2 that will inhale a certain amount of liquid get off, directly will detect the liquid transfer that detects. Because the adoption is inhaled the material subassembly and is provided the negative pressure environment, with the liquid suction pipette 2 in the reation kettle in, need to guarantee that the hookup location of pipette 2 and a section of thick bamboo of imbibition 1 is sealed, the grafting sealing member with seal sealing member mainly used with the hookup location of pipette 2 and a section of thick bamboo of imbibition 1 sealed up. It should be noted that the volume of the liquid suction barrel 1 is larger than that of the pipette 2, so as to ensure that the liquid in the pipette 2 can be sucked to the highest graduation mark when the push plate 4 is pulled. Because the pipette 2 is provided with scale marks, the liquid in the reaction kettle can be quantitatively absorbed according to the liquid amount required by detection, and waste is avoided; liquid can not get into a liquid suction tube 1, and the liquid suction tube 1 is prevented from being polluted, and the liquid suction tube 1 can be repeatedly used.

The splicing sealing element comprises a sealing ring 7 arranged on the inner wall of the flaring, a first bulge 5 and a second bulge 6 which are arranged at the bottom end of the liquid suction barrel 1, a sealing groove is formed between the first bulge 5 and the second bulge 6, and the sealing ring 7 is arranged in the sealing groove. The sealing element comprises an inserting block 9 arranged on the outer wall of the liquid suction barrel 1 and a clamping piece 8 arranged at the end part of the flaring, an inserting groove is formed in the inserting block 9, and the clamping piece 8 is arranged in the inserting groove and is in sealing connection with the inserting groove. The inserting groove comprises a first sealing lip 10 close to one side of the liquid suction barrel 1 and a second sealing lip 11 far away from one side of the liquid suction barrel 1, the first sealing lip 10 bends to the second sealing lip 11, the inner side of the clamping piece 8 abuts against the first sealing lip 10, and the outer side of the clamping piece 8 abuts against the second sealing lip 11.

The utility model discloses a concrete implementation process does: when needing to take a sample in the reation kettle, wear into the flaring on 2 tops of pipette with the bottom of a suction tube 1, guarantee that the outside and the flaring of sealing washer 7 offset, the inboard and the sealing lip of fastener 8 offset, the outside and two 11 offsets of sealing lip of fastener 8, make a

suction tube

1 and 2 sealed grafting of pipette, then stretch into below the reation kettle liquid level with the bottom of pipette 2, manual pulling push rod 3 removes to the one end of keeping away from pipette 2, form the negative pressure in the suction tube 1, inhale in pipette 2 with the liquid in the reation kettle, liquid in the pipette 2 reaches the required volume of detection until inhaling, seal the bottom of pipette 2, dismantle pipette 2 from a suction tube 1, seal the top of pipette 2, shift pipette 2 at last and detect.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a exempt from container sampling device in clean environment which characterized in that: including a hollow imbibition section of thick bamboo and with the pipette of connection can be dismantled to imbibition section of thick bamboo bottom, the top of an imbibition section of thick bamboo is provided with inhales the material subassembly, the top of pipette is provided with the flaring, the bottom of an imbibition section of thick bamboo with the flaring is pegged graft, the outer wall of an imbibition section of thick bamboo bottom with from the top down has set gradually between the flaring inner wall and has sealed sealing member and a plurality of grafting sealing member.

2. The clean environment container-free sampling device of claim 1, wherein: the material sucking component comprises a push plate, a push rod and a sucker, one end of the push rod is connected with the push plate, the other end of the push rod is connected with the sucker, the sucker is arranged in the liquid sucking cylinder, and the outer wall of the sucker is connected with the inner wall of the liquid sucking cylinder in a sliding mode.

3. The clean environment container-free sampling device of claim 1, wherein: the splicing sealing piece comprises a sealing ring arranged on the inner wall of the flaring, a first bulge and a second bulge, wherein the first bulge and the second bulge are arranged at the bottom end of the liquid suction barrel, a sealing groove is formed between the first bulge and the second bulge, and the sealing ring is arranged in the sealing groove.

4. The clean environment container-free sampling device of claim 1, wherein: the sealing element comprises an insertion block arranged on the outer wall of the liquid suction barrel and a clamping piece arranged at the end part of the flaring, an insertion groove is formed in the insertion block, and the clamping piece is arranged in the insertion groove and is in sealing connection with the insertion groove.

5. The clean environment container-free sampling device of claim 4, wherein: the insertion groove comprises a first sealing lip close to one side of the liquid suction barrel and a second sealing lip far away from one side of the liquid suction barrel, the first sealing lip bends to the second sealing lip, the inner side of the clamping piece abuts against the first sealing lip, and the outer side of the clamping piece abuts against the second sealing lip.