CN218917312U

CN218917312U - Pump flow detection device for ion chromatograph

Info

Publication number: CN218917312U
Application number: CN202222419479.5U
Authority: CN
Inventors: 孙艳; 高春花
Original assignee: Chuxiong Panyuan Environmental Testing Co ltd
Current assignee: Chuxiong Panyuan Environmental Testing Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-04-25
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a pump flow detection device for an ion chromatograph, and relates to the technical field of chromatographs. Including the chromatograph, the outside of chromatograph has cup jointed the protective sheath, the diapire of chromatograph and the one end fixed connection who bears the spring, the other end and the protective sheath inner wall fixed connection who bears the spring, be provided with joint device on the protective sheath, be provided with stop device on the diapire of chromatograph, fixed mounting has fixed frame on the inner wall of protective sheath, it has the diagonal bar to run through on the lateral wall on the fixed frame, cup jointed spacing spring on the outer wall of diagonal bar, this a pump flow detection device on the ion chromatograph can conveniently be with chromatograph fixed joint in the inside of protective sheath through stop device's setting, accomplishes chromatograph fixed joint in the inside of protective sheath through the joint through pressing down once the chromatograph and protect, is pressing once and makes spacing being relieved facilitate the use.

Description

Pump flow detection device for ion chromatograph

Technical Field

The utility model relates to the technical field of chromatographs, in particular to a pump flow detection device for an ion chromatograph.

Background

Ion chromatography is a type of high performance liquid chromatography, so is also called High Performance Ion Chromatography (HPIC) or modern ion chromatography, and is different from traditional ion exchange chromatography column chromatography in that resin has high crosslinking degree and low exchange capacity, sample injection volume is small, and the on-line automatic continuous conductivity detection of the leacheate is usually carried out by using a plunger pump to convey the leacheate.

The existing ion chromatograph is easy to be scratched by foreign objects when not in use, and meanwhile, the long-time leakage of the chromatograph can cause dust blockage of an external connection hole so as to cause poor contact, and the measurement result of the ion chromatograph can be inaccurate; in view of this, we propose a pump flow detection device for use on an ion chromatograph.

Disclosure of Invention

(one) solving the technical problems

The utility model provides a pump flow detection device for an ion chromatograph, which solves the problems mentioned in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a pump flow detection device for on ion chromatograph, includes the chromatograph, the outside of chromatograph has cup jointed the protective sheath, the diapire of chromatograph and the one end fixed connection who bears the spring, bear the other end and the protective sheath inner wall fixed connection of spring, be provided with joint device on the protective sheath, be provided with stop device on the diapire of chromatograph, fixed mounting has fixed frame on the inner wall of protective sheath, it has the diagonal rod to run through on the lateral wall on the fixed frame, cup joint limit spring on the outer wall of diagonal rod, joint device includes:

the sleeve is fixedly arranged on the inner wall of the protective sleeve;

the convex rod penetrates through the sleeve;

the compression spring is sleeved on the outer wall of the convex rod.

Preferably, the limiting device comprises a fixed rod which is fixedly arranged on the bottom wall of the chromatograph.

Preferably, a limiting block is fixedly arranged at the bottom end of the fixing rod, and a fixing block is fixedly arranged on the outer wall of the fixing rod.

Preferably, the outer wall of the fixed block is fixedly connected with one end of the reset spring, the other end of the reset spring is fixedly connected with a sliding block, and the sliding block is in sliding connection with the outer wall of the fixed rod.

Preferably, the limiting devices are provided with two groups in total, and the two groups of limiting devices are symmetrically arranged by taking the central line of the chromatograph in the vertical direction as a symmetrical axis.

Preferably, the chromatograph is provided with a clamping groove, and the convex rod is positioned above the clamping groove.

(III) beneficial effects

The utility model provides a pump flow detection device for an ion chromatograph. The device comprises the following

The beneficial effects are that:

(1) This a pump flow detection device for on ion chromatograph can be convenient with chromatograph fixed joint in the inside of protective sheath through stop device's setting, accomplishes chromatograph fixed joint through the joint and protects in the inside of protective sheath through pressing down once chromatograph, presses once and makes spacing by the convenient to use of relieving.

(2) This a pump flow detection device for on ion chromatograph can carry out spacingly to the position of chromatograph through the setting of joint device, when draw-in groove and boss alignment, drives the inside that the boss moved the joint into the draw-in groove to the left through compression spring, and then makes the position of chromatograph carry out the joint fixedly prevent to reciprocate when the chromatograph when using and lead to instability.

Drawings

FIG. 1 is a schematic diagram of the overall front view of the present utility model;

FIG. 2 is a schematic overall sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A of FIG. 2 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure B of FIG. 2 according to the present utility model;

fig. 5 is an enlarged schematic view of the C structure of fig. 2 according to the present utility model.

In the figure: 1. a chromatograph; 2. a protective sleeve; 3. a load-bearing spring; 4. a clamping device; 41. a sleeve; 42. a protruding rod; 43. a compression spring; 5. a limiting device; 51. a fixed rod; 52. a limiting block; 53. a fixed block; 54. a return spring; 55. a slide block; 6. a fixed frame; 7. a diagonal rod; 8. and a limit spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a pump flow detection device for on ion chromatograph, including chromatograph 1, the draw-in groove has been seted up on the chromatograph 1, when chromatograph 1 drives draw-in groove upward movement and protruding pole 42 alignment, the compression spring 43 through being provided with on the outer wall of protruding pole 42 drives protruding pole 42 left movement joint and advances the inside of draw-in groove, protruding pole 42 is located the top of draw-in groove, protective sheath 2 has been cup jointed to chromatograph 1's outside, the diapire of chromatograph 1 and the one end fixed connection who bears spring 3, bear the other end and protective sheath 2 inner wall fixed connection of spring 3, make chromatograph 1 upward movement through the elasticity that bears spring 3, be provided with clamping device 4 on the protective sheath 2, be provided with stop device 5 on chromatograph 1's the diapire, fixed mounting has fixed frame 6 on protective sheath 2's the inner wall, the dead lever 7 has been run through on the lateral wall on fixed frame 6, stop spring 8 has been cup jointed on the outer wall of dead lever 7.

In this embodiment, be provided with joint device 4 on the protective sheath 2, can carry out spacingly to chromatograph 1's position through the setting of joint device 4, when draw-in groove and protruding pole 42 align, drive protruding pole 42 left movement joint through compression spring 43 and advance the inside of draw-in groove, and then make chromatograph 1's position carry out the joint fixedly prevent to reciprocate when chromatograph 1 uses and lead to instability.

In this embodiment, be provided with stop device 5 on the diapire of chromatograph 1, can conveniently with chromatograph 1 fixed joint in the inside of protecting cover 2 through the setting of stop device 5, accomplish chromatograph 1 fixed joint through the joint and protect in the inside of protecting cover 2 through pressing down chromatograph 1 once, press once and make spacing being relieved facilitate the use.

The clamping device 4 comprises a sleeve 41, the sleeve 41 is fixedly arranged on the inner wall of the protective sleeve 2, a protruding rod 42 penetrates through the sleeve 41, the protruding rod 42 is pulled to the outside of the protective sleeve 2 to move out of the clamping groove so as to release limit, the protruding rod 42 penetrates through the inside of the protective sleeve 2, and a compression spring 43 is sleeved on the outer wall of the protruding rod 42.

The limiting device 5 comprises a fixed rod 51, the fixed rod 51 is fixedly arranged on the bottom wall of the chromatograph 1, a limiting block 52 is fixedly arranged on the bottom end of the fixed rod 51, the limiting block 52 in the limiting device 5 moves downwards to extrude the inclined surface of the inclined rod 7, the limiting block 52 is further enabled to move to the lower side of the inclined rod 7 to be limited, a fixed block 53 is fixedly arranged on the outer wall of the fixed rod 51, the outer wall of the fixed block 53 is fixedly connected with one end of a reset spring 54, a sliding block 55 is fixedly connected to the other end of the reset spring 54, the sliding block 55 is in sliding connection with the outer wall of the fixed rod 51, the end of the inclined rod 7 is extruded through the arc-shaped arrangement of the outer wall of the sliding block 55, and then the limiting block 52 and the sliding block 55 move together to the upper side of the inclined rod 7 to be relieved.

During operation (or during the use), make chromatograph 1 upward movement through the elasticity that bears spring 3 when using, when chromatograph 1 drives draw-in groove upward movement and protruding pole 42 alignment, the compression spring 43 that is provided with on the outer wall of protruding pole 42 drives protruding pole 42 left movement joint and advances the inside of draw-in groove, and then make chromatograph 1's position carry out the joint fixed prevent at chromatograph 1 when using unstable, when the use finishes the back through the inside that pulls protruding pole 42 motion out the draw-in groove to the outside of protective sheath 2 and then remove the spacing, at this moment through pushing down chromatograph 1 compression bears spring 3 downward movement, and then make chromatograph 1 drive stop device 5 downward movement, stop block 52 in stop device 5 downward movement extrudees the inclined plane of inclined rod 7, and then make two inclined rod 7 to the outside motion of fixed frame 6, and finally make stop block 52 move to the below of inclined rod 7 by spacing, and then make chromatograph 1 move to be spacing in protective sheath 2, through pressing down one time chromatograph 1 downward movement again when needing, through the outside pulling up and pulling protruding pole 42 to the outside of protective sheath 2, and then remove spacing, at this moment, the inclined rod 51 is passed through the inclined rod 55 and then set up to the inclined rod 7 is carried out to the inclined rod 55 and then move to the inclined rod 7, and then make the inclined rod 55 is carried out to the side 55 and the side of inclined rod 7 upward movement by the fixed stop device, and then move up end 55 is carried out to the inclined rod 55.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pump flow detection device for on ion chromatograph, includes chromatograph (1), the outside of chromatograph (1) has cup jointed protective sheath (2), the diapire of chromatograph (1) and the one end fixed connection who bears spring (3), the other end that bears spring (3) and protective sheath (2) inner wall fixed connection, its characterized in that: be provided with joint device (4) on protective sheath (2), be provided with stop device (5) on the diapire of chromatograph (1), fixed mounting has fixed frame (6) on the inner wall of protective sheath (2), run through on the lateral wall on fixed frame (6) has inclined rod (7), cup joint spacing spring (8) on the outer wall of inclined rod (7), joint device (4) include:

a sleeve (41), wherein the sleeve (41) is fixedly arranged on the inner wall of the protective sleeve (2);

a protruding rod (42), the protruding rod (42) penetrating the inside of the sleeve (41);

and the compression spring (43) is sleeved on the outer wall of the convex rod (42).

2. A pump flow detection apparatus for use in an ion chromatograph according to claim 1, wherein: the limiting device (5) comprises a fixed rod (51), and the fixed rod (51) is fixedly arranged on the bottom wall of the chromatograph (1).

3. A pump flow detection apparatus for use in an ion chromatograph according to claim 2, wherein: a limiting block (52) is fixedly arranged at the bottom end of the fixed rod (51), and a fixed block (53) is fixedly arranged on the outer wall of the fixed rod (51).

4. A pump flow detection apparatus for use in an ion chromatograph according to claim 3, wherein: the outer wall of the fixed block (53) is fixedly connected with one end of a reset spring (54), a sliding block (55) is fixedly connected to the other end of the reset spring (54), and the sliding block (55) is slidably connected with the outer wall of the fixed rod (51).

5. A pump flow detection apparatus for use in an ion chromatograph according to claim 1, wherein: the limiting devices (5) are arranged in two groups, and the two groups of limiting devices (5) are symmetrically arranged by taking the central line of the chromatograph (1) in the vertical direction as a symmetrical axis.

6. A pump flow detection apparatus for use in an ion chromatograph according to claim 1, wherein: the chromatograph (1) is provided with a clamping groove, and the convex rod (42) is positioned above the clamping groove.