CN218646672U - Needle type filter sampling clamping device - Google Patents
Needle type filter sampling clamping device Download PDFInfo
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- CN218646672U CN218646672U CN202222212577.1U CN202222212577U CN218646672U CN 218646672 U CN218646672 U CN 218646672U CN 202222212577 U CN202222212577 U CN 202222212577U CN 218646672 U CN218646672 U CN 218646672U
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- spring shaft
- clamping device
- needle
- base
- rotating shaft
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Abstract
The utility model relates to an injector corollary equipment technical field discloses a needle type filter sample clamping device, including the base, be provided with the bracing piece on the base, the bracing piece has set gradually from bottom to top and has been used for installing the place the platform of sampling tube, is used for installing the grip slipper of syringe and needle type filter and is used for promoting the pushing mechanism of the plunger downstream of syringe to when hand pushing mechanism downstream, pushing mechanism promotes the plunger downstream of syringe, makes in the syringe sample enter into the sampler through the needle type filter. The utility model discloses can effectual improvement pin filter availability factor, reduce operating personnel work load, the operating personnel of being more convenient for uses.
Description
Technical Field
The utility model belongs to the technical field of the syringe corollary equipment, especially, relate to a syringe filter sample clamping device.
Background
The needle filter is an important consumable for sample pretreatment in laboratory HPLC (High pressure Liquid Chromatography) and IC (Ion Chromatography) analysis, and is usually used with a syringe, and can filter a sample solution, remove particulate pollutants, and protect an instrument.
The needle filter is made of different membrane materials, when the needle filter is used, the needle filter is connected to a syringe, the needle filter is slightly screwed to ensure good sealing, a sample is firstly sucked into the syringe, and then the sample in the syringe is driven into a sample bottle through the needle filter.
In the prior art, the sampling operation is manual operation, and due to the existence of the needle type filter, when a person squeezes a sample into a sample bottle through an injector, the needle type filter can provide a great resistance to the sample, at the moment, the operator often needs to use great strength to smoothly squeeze the sample into the sample bottle, and meanwhile, the needle type filter is fixed by hands to prevent the sample from being washed off, so that the sampling efficiency is low, and the hand pain of the person is caused during long-term operation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above shortcoming of prior art, the utility model provides a pin type filter sample clamping device can effectual improvement pin type filter availability factor, reduces operating personnel work load, and the operating personnel of being more convenient for uses.
In order to achieve the purpose, the utility model discloses a pin filter sample clamping device, the on-line screen storage device comprises a base, be provided with the bracing piece on the base, the bracing piece has set gradually from bottom to top and has been used for installing the place the platform of sampling tube, be used for installing the grip slipper of syringe and pin filter and the pushing mechanism who is used for promoting the plunger downstream of syringe to when hand pushing mechanism downstream, pushing mechanism promotes the plunger downstream of syringe for the sample enters into in the sampler through the pin filter in the syringe.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model has the advantages that the placing platform and the clamping table are respectively used for fixing the sampling tube, the injector and the needle type filter, so as to replace the manual fixing in the prior art, reduce the burden of operators, facilitate the operation of the operators and improve the working efficiency; the pushing mechanism replaces manual work in the prior art to push the plunger of the syringe, so that great force is not required for an operator, and the working strength of the operator is reduced. During the use, fix syringe, needle filter, sampling tube respectively on centre gripping platform and place the platform earlier, then, manual pressing pushing mechanism, pushing mechanism downstream promotes the plunger downstream of syringe, finally realizes entering into the sampler after the sample in the syringe filters through the needle filter.
In addition, according to the utility model provides a technical scheme can also have following technical characterstic:
in the technical scheme, the pushing mechanism comprises a pressing rod, a connecting piece, a spring shaft and a spring shaft base used for installing the spring shaft, the pressing rod is hinged with the supporting rod and the spring shaft through the connecting piece, the spring shaft is sleeved with a spring, and the spring shaft base is installed on the supporting rod, so that when the pressing rod is pressed by hand, the pressing rod pushes the spring shaft to move downwards, and the spring shaft pushes the plunger to move downwards.
In the technical scheme, one end part of the pressure lever is hinged with the support rod through the connecting piece, the pressure lever close to the end part is hinged with the spring shaft through the connecting piece, when the other end part of the pressure lever is pressed forcibly, the support rod cannot move downwards, the spring shaft can move downwards, the pressure lever rotates around the support rod through the connecting piece, the spring shaft moves downwards after being stressed, the support rod at the moment is similar to a fulcrum, the lever principle is utilized, and the downward movement of the spring shaft is realized in a relatively labor-saving manner. Meanwhile, due to the existence of the spring, when the spring shaft is not pressed by the pressure rod, the pressure rod can automatically reset so as to facilitate the next operation.
In the above technical scheme, the connecting piece includes the connection piece and connects the axis of rotation, the connection piece with connect the axis of rotation interconnect.
In the above technical scheme, the joint of the spring shaft and the connecting piece is provided with an upper limiting block, and the joint of the spring shaft and the spring shaft base is provided with a lower limiting block.
In the technical scheme, the spring is prevented from being separated from the spring shaft when compressed through the upper limiting block and the lower limiting block.
In the above technical scheme, the support rod is a rotating shaft, and the rotating shaft is installed on the base through a bearing seat.
In this technical scheme, through the design of pivot and bearing frame, can realize that the rotation of pivot rotates round the bearing frame, realize promptly that the bracing piece can take place to rotate for the base.
In the above technical scheme, the placing platform and the clamping table are mounted on the rotating shaft through fixing blocks.
In the above technical scheme, the fixed block is rotatably connected with the rotating shaft.
In this technical scheme, because the fixed block can rotate around the pivot, so place the platform and the centre gripping platform also can rotate around the pivot, realize the rotation of sampling tube, syringe and needle filter promptly, and then be convenient for the operation of device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a needle filter sampling clamping device according to an embodiment of the present invention.
The reference numbers are as follows:
1. a base; 2. a support bar; 3. placing a platform; 4. a clamping table; 5. a pressure lever; 6. a connecting member; 61. connecting sheets; 62. connecting a rotating shaft; 7. a spring shaft; 8. a spring shaft base; 9. a spring; 10. an upper limit block; 11. a lower limiting block; 12. a bearing seat; 13. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1, the utility model discloses a needle filter sample clamping device, including base 1, be provided with bracing piece 2 on the base 1, bracing piece 2 has set gradually from bottom to top and has been used for installing the place the platform 3 of sampling tube, the thrust unit that is used for installing the grip slipper 4 of syringe and needle filter and is used for promoting the plunger downstream of syringe to when hand thrust unit downstream, thrust unit promotes the plunger downstream of syringe, makes in the syringe sample enter into the sampler through the needle filter.
When the sampling device is used, the injector, the needle type filter and the sampling tube are fixed on the clamping table 4 and the placing platform 3 respectively, then the pushing mechanism is pressed manually, the pushing mechanism moves downwards, the plunger of the injector is pushed to move downwards, and finally a sample in the injector enters the sampler after being filtered by the needle type filter.
In connection with the above embodiment, more specifically, the pushing mechanism includes a pressing rod 5, a connecting member 6, a spring shaft 7 and a spring shaft base 8 for mounting the spring shaft 7, the pressing rod 5 is hinged to the supporting rod 2 and the spring shaft 7 through the connecting member 6, the spring shaft 7 is sleeved with a spring 9, and the spring shaft 7 is mounted on the supporting rod 7, so that when the pressing rod 5 is pressed by hand, the pressing rod 5 pushes the spring shaft 7 to move downward, and the spring shaft 7 can push the plunger to move downward. Wherein, the connecting piece 6 comprises a connecting piece 61 and a connecting rotating shaft 62, and the connecting piece 61 and the connecting rotating shaft 62 are connected with each other. When the device is used, the pressing rod 5 is pressed manually, one end of the pressing rod 5, which is connected with the supporting rod 2, rotates around the connecting rotating shaft 2, and one end of the pressing rod 5, which is connected with the spring shaft 7, rotates and pushes the spring shaft 7 downwards through the connecting piece 61 to move downwards. When the spring shaft 7 moves downwards, the plunger of the syringe is pushed and the spring 9 is compressed, and after the pressure of the pressure rod 5 is released, the spring shaft 7 is reset under the action of the elastic force of the spring 9.
In the above embodiment, it is more preferable that an upper limit block 10 is provided at a connection portion between the spring shaft 7 and the connector 6 and a lower limit block 11 is provided at a connection portion between the spring shaft 7 and the spring shaft base 8 in order to prevent the spring 9 from being separated from the spring shaft 7 when compressed.
In connection with the above embodiment, it is more preferable that the support rod 2 is a rotating shaft, and the rotating shaft is installed on the base 1 through the bearing seat 12, wherein the rotating shaft can rotate around the bearing seat 12, that is, the support rod 2 can rotate relative to the base 1. Wherein, the spring shaft base 8 and the bearing seat 12 are fixed through bolts.
In connection with the above-described embodiment, more specifically, the placing platform 3 and the holding table 4 are mounted on the rotating shaft through the fixing block 13. Preferably, the fixing block 13 is rotatably connected to the rotating shaft, wherein the fixing block 13 is connected to the rotating shaft by a bolt, and the fixing block 13 is rotatably connected to the rotating shaft by loosening the bolt.
The utility model discloses a theory of use is:
the utility model comprises a pressure lever 5 for pushing a plunger, which is respectively connected with a rotating shaft and an upper limit block 10 through a connecting sheet 61 and a connecting rotating shaft 62, an injector and a needle type filter are arranged on a clamping table 4, and a sampling tube is arranged on a placing platform 3; the base 1 is fixed with the bearing seat 12 through bolts, the bottom of the rotating shaft is connected with the bearing seat 12, the top of the rotating shaft is connected with the pressing rod 5 through a connecting rotating shaft 62 and a connecting sheet 61, and the pressing rod 5 can move up and down through the connecting rotating shaft 62; the placing platform 3 is connected with a fixed block 13 fixed on the rotating shaft through a bolt, the clamping table 4 is connected with the fixed block 13 fixed on the rotating shaft through a bolt, and the fixed block 13 can rotate on the rotating shaft; when the pressing rod 5 is pressed, the pressing rod 5 pushes the spring shaft 7 to move downwards through the upper limiting block 10, and then the spring shaft 7 pushes the plunger of the syringe to move downwards, so that the sample of the syringe is pushed into the sampling tube through the needle type filter.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A needle type filter sampling clamping device is characterized by comprising a base, wherein a supporting rod is arranged on the base, a placing platform for mounting a sampling tube, a clamping platform for mounting an injector and a needle type filter and a pushing mechanism for pushing a plunger of the injector to move downwards are sequentially arranged on the supporting rod from bottom to top, and when the hand pressing pushing mechanism moves downwards, the pushing mechanism pushes the plunger of the injector to move downwards, so that a sample in the injector enters a sampler through the needle type filter.
2. The needle filter sampling clamping device according to claim 1, wherein the pushing mechanism comprises a pressing rod, a connecting piece, a spring shaft and a spring shaft base for mounting the spring shaft, the pressing rod is hinged with the supporting rod and the spring shaft through the connecting piece respectively, the spring shaft is sleeved with a spring, and the spring shaft base is mounted on the supporting rod, so that when the pressing rod is pressed by hand, the pressing rod pushes the spring shaft to move downwards, and the spring shaft pushes the plunger to move downwards.
3. The needle filter sampling clamping device according to claim 2, wherein the connecting piece comprises a connecting piece and a connecting rotating shaft, and the connecting piece is mutually connected with the connecting rotating shaft.
4. The needle filter sampling clamping device according to claim 2, wherein an upper limiting block is arranged at the joint of the spring shaft and the connecting piece, and a lower limiting block is arranged at the joint of the spring shaft and the spring shaft base.
5. The needle filter sampling clamping device of claim 1, wherein the support rod is a rotating shaft, and the rotating shaft is mounted on the base through a bearing seat.
6. The needle filter sampling clamping device according to claim 5, wherein the placing platform and the clamping platform are mounted on the rotating shaft through fixing blocks.
7. The filter needle sampling clamping device of claim 6, wherein the fixing block is rotatably connected with the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222212577.1U CN218646672U (en) | 2022-08-23 | 2022-08-23 | Needle type filter sampling clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222212577.1U CN218646672U (en) | 2022-08-23 | 2022-08-23 | Needle type filter sampling clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218646672U true CN218646672U (en) | 2023-03-17 |
Family
ID=85490964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222212577.1U Active CN218646672U (en) | 2022-08-23 | 2022-08-23 | Needle type filter sampling clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218646672U (en) |
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2022
- 2022-08-23 CN CN202222212577.1U patent/CN218646672U/en active Active
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