CN215375269U

CN215375269U - Sample tube taking-out device of ion chromatograph

Info

Publication number: CN215375269U
Application number: CN202121300752.1U
Authority: CN
Inventors: 李静海; 刘洁; 叶云; 季鸿瑞
Original assignee: Li Hong Group Huaneng Environmental Monitoring Service Tianjin Co ltd
Current assignee: Li Hong Group Huaneng Environmental Monitoring Service Tianjin Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-31
Anticipated expiration: 2031-06-10

Abstract

The application relates to a sample tube taking-out device of an ion chromatograph, which relates to the technical field of detection equipment tools and comprises an insertion tube and a clamping plate; the inserting pipe is used for being inserted into the connecting pipe of the plug head, and the inserting pipe can open an opening at the bottom of the connecting pipe of the plug head so as to enable the inner space of the pipe body to be communicated with the outside; splint are a plurality of, and rotate to connect at the intubate circumference outer wall, and splint rotate the back can press from both sides the connecting pipe circumference outer wall of chock plug tightly, and this application has and takes out the chock plug from the body in, makes sample tube can reuse's effect.

Description

Sample tube taking-out device of ion chromatograph

Technical Field

The application relates to the technical field of detection equipment appliances, in particular to a sample tube taking-out device of an ion chromatograph.

Background

The ion chromatograph is used for measuring the content of anions and cations in a water body, and particularly has more outstanding efficiency in measuring the anions. When the ion chromatograph is used for detecting ions in the water body, the water body to be detected needs to be put into the corresponding sample tube.

Among the correlation technique, sample tube for ion chromatograph, including body and chock plug two parts, the body is upper shed setting, and the chock plug is used for plugging in the body and seals up the water that awaits measuring in the body. The chock plug includes closed chassis and communicating pipe two parts, and communicating pipe sets firmly on closed chassis and runs through the setting with closed chassis, and closed chassis is the rubber material and with body inner wall butt, and communicating pipe bottom is provided with the chock plug with communicating pipe bottom confined, and the chock plug is normally closed state.

Ion chromatograph's probe can stretch into in the communicating tube to can open the chock plug, make body bottom and probe inner wall keep the intercommunication, the probe makes the chock plug move down, and then makes the water that awaits measuring in the body move up and enter into the probe in, carry out the detection of the ion of water through this kind of mode, the effectual probability that has reduced the probe and stretch into the water, reduced the probe and waited to be stained with the influence of attaching the water to the testing result of next water that awaits measuring.

To the correlation technique among the above-mentioned, ion chromatograph's formula sample tube and chock plug are the complete set purchase, and when the formula sample tube of home-made was examined, because the material problem, often can influence the accuracy that water ion detected, but the style tube price of foreign import is too high, does not have relevant extraction element moreover, and chock plug and body are by being difficult to take out, generally are disposable article, make the defect that the cost of testing improves.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that the plug and the tube body are difficult to take out and are generally disposable products, and the test cost is increased, the application provides a sample tube taking-out device of an ion chromatograph.

The application provides an ion chromatograph sample tube remove device adopts following technical scheme:

the sample tube taking-out device of the ion chromatograph comprises an insertion tube and a clamping plate;

the inserting pipe is used for being inserted into the connecting pipe of the plug head, and the inserting pipe can open an opening at the bottom of the connecting pipe of the plug head so as to enable the inner space of the pipe body to be communicated with the outside;

splint are a plurality of, and rotate to connect at insert pipe circumference outer wall, and splint rotate the back and can press from both sides tightly the connecting pipe circumference outer wall of chock plug.

Through adopting above-mentioned technical scheme, when needing to take out the chock plug from the body, insert the insert tube in the connecting pipe of chock plug, the insert tube backs down the connecting pipe bottom, and then makes the body pass through insert tube and external intercommunication, relieves the negative pressure state of body, and rethread splint press from both sides tightly the connecting pipe, and then extracts insert tube and chock plug together from the body, accomplishes the separation of chock plug and body, has improved the reuse rate of style pipe, has saved test cost.

Optionally, the circumferential outer wall of the insertion pipe is tightly attached to the inner wall of the plug connecting pipe.

By adopting the technical scheme, when the insertion tube is inserted into the connecting tube of the plug head, the insertion compactness of the insertion tube is effectively improved, and the stability of the insertion tube inserted into the plug head connecting tube is further improved.

Optionally, the clamping plate comprises a control plate and a clamping plate;

the control plate is a part of the clamping plate which is positioned at the self-rotation connection position and is far away from the plug head, and the clamping plate is a part of the clamping plate which is positioned at the self-rotation connection position and is close to the plug head;

the control plate is obliquely arranged in the direction far away from the plug head to the direction far away from the insertion pipe, and the clamping plate is arranged in a circular arc bulge manner in the direction far away from the insertion pipe;

when the included angle between the control plate and the inserting plate is increased, the clamping plate is continuously close to and clamped by the plug connecting pipe.

Through adopting above-mentioned technical scheme, when needing to press from both sides the chock plug connecting pipe tightly, make the control panel to the direction of keeping away from the insert tube remove, and then make the grip block be close to each other to press from both sides the chock plug connecting pipe tightly, improved the efficiency of taking out the chock plug from the body.

Optionally, a torsional spring is arranged at the rotary connection position of the clamping plate, and when the torsional spring is in a natural state, the control plate is tightly propped against the insertion tube.

By adopting the technical scheme, the torsion spring keeps the clamping plate in an open state, so that the insertion of the insertion tube is facilitated.

Optionally, the insertion pipe sleeve is provided with a positioning cylinder, the bottom of the circumferential outer wall of the positioning cylinder is abutted to the outer wall of the control plate close to the insertion pipe, and the positioning cylinder and the insertion rod can be fixed to each other.

Through adopting above-mentioned technical scheme, make a location section of thick bamboo move down, a location section of thick bamboo and control panel butt, and then make the control panel rotate, drive the grip block and press from both sides tightly to the chock plug connecting pipe to make the grip block keep the clamping state, improved the efficiency of taking out the piston.

Optionally, the joint of the circumferential outer wall and the bottom end of the positioning cylinder is a fillet.

Through adopting above-mentioned technical scheme, the in-process that the locating cylinder moved down, the radius angle department and the control panel butt of locating cylinder, the effectual effect that has improved the control panel protection.

Optionally, a pull-off ring plate is fixedly arranged at the top of the circumferential outer wall of the insertion pipe.

Through adopting above-mentioned technical scheme, take out the setting of ring board, effectual improvement with the efficiency that insert tube and chock plug together extracted from the body is inside.

Optionally, the portion of the clamping plate abutting against the plug connector barrel is provided with a frosted portion.

Through adopting above-mentioned technical scheme, the part that passes through the dull polish setting at the grip block presss from both sides tightly with the chock plug connecting cylinder, effectual improvement with the chock plug connecting cylinder between frictional force, and then improved the clamping action to the chock plug connecting cylinder.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the inserting tube is inserted into the connecting tube, the tube body is communicated with the outside, the clamping plate is rotated and the plug head connecting tube is clamped, and finally the inserting tube and the plug head are taken out from the tube body together, so that the plug head is effectively separated from the tube body, the sample tube is recycled, and the detection cost is saved;

2. the plug head connecting pipe clamping device has the advantages that the positioning cylinder is moved downwards, the positioning cylinder is abutted to the control plate, the control plate and the clamping plate rotate together, and the clamping plate clamps the plug head connecting pipe together, so that the effect of clamping the plug head connecting pipe is effectively improved, and the efficiency of taking out the plug head from the pipe body is improved;

3. because the stand-by of stand-by outer wall and chock plug connecting pipe inner wall, improved the stability in stand-by position on the one hand, on the other hand makes the grip block balanced to the centre gripping dynamics of chock plug connecting pipe, the effectual improvement with the effect that the chock plug was taken out from the body.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;

FIG. 2 is a partial cross-sectional view showing a clamping assembly in accordance with embodiment 1 of the present application;

FIG. 3 is a partial sectional view showing the connection relationship of a positioning cylinder in embodiment 1 of the present application;

FIG. 4 is a schematic structural diagram of embodiment 2 of the present application;

fig. 5 is a partial cross-sectional view showing a retaining ring according to embodiment 2 of the present application.

In the figure, 1, insert the tube; 11. positioning a groove; 2. a clamping assembly; 21. a splint; 211. a control panel; 212. a clamping plate; 22. a positioning cylinder; 221. a positioning ring; 3. the ring plate is pulled away; 4. a torsion spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses ion chromatograph sample tube remove device.

Example 1

Referring to fig. 1, the sample tube withdrawing device of the ion chromatograph comprises an insertion tube 1 and a clamping assembly 2, wherein the insertion tube 1 is used for being inserted into a plug connecting tube and enabling a tube body to be communicated with the outside, and the clamping assembly 2 is positioned on the insertion tube 1 and used for clamping and fixing a plug; with the combination of fig. 2, the insertion tube 1 is inserted into the connection tube of the plug, the negative pressure state of the enclosed part of the plug and the tube body is removed, the plug is clamped by the clamping assembly 2, the insertion tube 1 is moved upwards, the plug is taken out of the tube body, the tube body and the plug are separated, the repeated use of the sample tube is realized, and the detection cost is saved.

Referring to fig. 2, the clamping assembly 2 includes a clamping plate 21 and a positioning cylinder 22, the clamping plate 21 is used for clamping and fixing the plug connecting pipe, and the positioning cylinder 22 is used for controlling the clamping degree of the clamping plate 21 on the plug connecting pipe.

Referring to fig. 2, the clamping plates 21 are rotatably connected to the circumferential outer wall of the insertion tube 1, the plurality of clamping plates 21 are uniformly circumferentially distributed with the central axis of the insertion tube 1 as the middle, and the rotating axes of the plurality of clamping plates 21 are perpendicular to the central axis of the insertion tube 1 and are located on the same plane. Clamp plate 21 includes a control plate 211 and a clamping plate 212, the control plate 211 being located at a portion of the rotational connection of clamp plate 21 remote from the plug head, and the clamping plate 212 being located at a portion of the rotational connection of clamp plate 21 proximate to the plug head. The control panel 211 is to keeping away from the direction slope setting of the direction of the insert tube 1 in the vertical direction of keeping away from the chock plug, and the grip block 212 is the protruding setting of circular arc to the direction of keeping away from the insert tube 1, and the grip block 212 is close to the lateral wall bottom of insert tube 1 and sets up for the dull polish.

Referring to fig. 3, the positioning cylinder 22 is screwed on the insertion tube 1, and the connection between the circumferential outer wall and the lower end of the positioning cylinder 22 is rounded. The rotation junction of splint 21 is provided with torsional spring 4, and when torsional spring 4 was in natural state, control panel 211 and sleeve radius angle department butt.

Under the effect of torsional spring 4, the terminal state that is in keeping away from each other of grip block 212, and then when convenient insert tube 1 inserted in the chock plug, grip block 212 surrounds the connecting cylinder of chock plug together. The positioning cylinder 22 is rotated, the positioning cylinder 22 moves downwards, the positioning cylinder 22 abuts against the control plate 211, the control plate 211 rotates, the control plate 211 drives the clamping plate 212 to rotate together, the connecting cylinder of the plug is clamped and fixed, the frosted position of the clamping plate 212 abuts against the plug connecting cylinder, the clamping effect of the clamping plate 212 on the plug is effectively improved, and the effect of taking the plug out of the pipe body is improved; the threaded connection of the positioning cylinder 22 effectively improves the efficiency of position adjustment of the positioning cylinder 22 and the stability of position fixation after the position adjustment.

Referring to fig. 3, the top of the circumferential outer wall of the insert tube 1 is fixedly provided with a pull-off ring plate 3, so that the insert tube 1 and the plug can be conveniently taken out from the tube body when the clamping plate 212 clamps the plug connecting tube. After the insert tube 1 is inserted into the plug connecting tube, the insert tube 1 is tightly attached to the inner wall of the connecting tube, the use stability of the insert tube 1 is effectively improved, and simultaneously, after the insert tube 1 is inserted into the connecting tube of the plug, the distance between the tail end of the clamping plate 212 and the plug connecting tube is kept close, so that the stress stability of each part of the plug connecting tube is improved when the clamping plate 212 clamps the plug connecting tube.

The implementation principle of the embodiment 1 of the application is as follows: the inserting tube 1 is inserted into the plug connecting tube, the part of the tube body which is sealed by the inserting tube 1 is communicated with the outside through the inserting tube 1, and the negative pressure state of the sealed space in the tube body is relieved. And then the positioning cylinder 22 is rotated, the positioning cylinder 22 moves downwards and the control plate 211 is rotated, so that the clamping plate 212 rotates together to clamp the plug connecting pipe, finally the insertion pipe 1 is pulled out, and the insertion pipe 1 and the plug are pulled out from the pipe body together, so that the pipe body and the plug are separated, the recycling of the sample pipe is realized, and the test cost is saved.

Example 2

Referring to fig. 4, the present embodiment is different from embodiment 1 in that a positioning cylinder 22 is slidably coupled to an insertion tube 1. Referring to fig. 5, the top and bottom of the circumferential inner wall of the positioning cylinder 22 are respectively and fixedly provided with a positioning ring 221, and the positioning ring 221 is made of rubber. A plurality of locating grooves 11 are arranged on the circumferential outer wall of the insertion tube 1 at equal intervals, and the locating grooves 11 are used for the locating ring 221 to abut against the inside.

The implementation principle of embodiment 2 of the present application is as follows: the positioning cylinder 22 is moved downwards, and the positioning cylinder 22 drives the positioning ring 221 to move, so that the positioning ring 221 is abutted to the corresponding positioning groove 11, the position of the positioning cylinder 22 is fixed, and the adjusting efficiency and the position fixing stability of the positioning cylinder 22 are improved.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Ion chromatograph sample tube remove device which characterized in that: comprises an insertion tube (1) and a clamping plate (21);

the inserting tube (1) is used for being inserted into the connecting tube of the plug head, and the inserting tube (1) can open the opening at the bottom of the connecting tube of the plug head so as to enable the inner space of the tube body to be communicated with the outside;

the clamping plates (21) are connected to the circumferential outer wall of the insertion pipe (1) in a rotating mode, and the circumferential outer wall of the connection pipe of the plug head can be clamped tightly after the clamping plates (21) rotate.

2. The ion chromatograph sample tube extraction device of claim 1, wherein: the circumferential outer wall of the insert tube (1) is tightly attached to the inner wall of the plug head connecting tube.

3. The ion chromatograph sample tube extraction device of claim 1, wherein: the clamping plate (21) comprises a control plate (211) and a clamping plate (212);

the control plate (211) is a part of the clamping plate (21) which is positioned at the self-rotation connection position and is far away from the plug head, and the clamping plate (212) is a part of the clamping plate (21) which is positioned at the self-rotation connection position and is close to the plug head;

the control plate (211) is obliquely arranged in the direction away from the plug head to the direction away from the insertion pipe (1), and the clamping plate (212) is arranged in a circular arc protrusion manner in the direction away from the insertion pipe (1);

when the included angle between the control plate (211) and the inserting plate is increased, the clamping plate (212) is continuously close to the plug connecting pipe for clamping.

4. The ion chromatograph sample tube extraction device of claim 3, wherein: the torsional spring (4) is arranged at the rotary joint of the clamping plate (21), and when the torsional spring (4) is in a natural state, the control plate (211) is tightly propped against the insertion tube (1).

5. The ion chromatograph sample tube extraction device of claim 4, wherein: the inserting tube (1) is sleeved with a positioning cylinder (22), the bottom of the circumferential outer wall of the positioning cylinder (22) is abutted to the outer wall of the control plate (211) close to the inserting tube (1), and the positioning cylinder (22) can be fixed with the inserting rod.

6. The ion chromatograph sample tube extraction device of claim 5, wherein: the junction of the circumferential outer wall and the bottom end of the positioning cylinder (22) is a fillet.

7. The ion chromatograph sample tube extraction device of claim 1, wherein: the top of the circumferential outer wall of the insertion pipe (1) is fixedly provided with a pull-off annular plate (3).

8. The ion chromatograph sample tube extraction device of claim 3, wherein: the portion of the clamping plate (212) abutted to the plug connecting cylinder is frosted.