CN220419245U - Liquid chromatograph for detecting harmful substances in domestic drinking water - Google Patents

Abstract

The utility model discloses a liquid chromatograph for detecting harmful substances in domestic drinking water, which comprises a liquid chromatograph body, wherein a fixed top plate is fixedly arranged at the upper end of the liquid chromatograph body, a plurality of clamping mechanisms are fixedly arranged in the upper end of the fixed top plate, each clamping mechanism comprises a protection frame, threaded rods are connected with two side walls of the protection frame in a threaded penetrating manner, fastening nuts are connected with one ends of the threaded rods, which are positioned outside the protection frame, of the two sides of the protection frame in a threaded manner, and sliding plates are fixedly connected with one ends of the threaded rods, which are far away from the fastening nuts, and are positioned in the protection frame. According to the utility model, the solvent bottle filled with life drinking water is placed in the limit groove at the upper end of the fixed top plate from the position between the clamping blocks at two sides, so that the threaded rods at two sides of the protective frame are pushed, the threaded rods drive the sliding plates to move along the sliding grooves, the inner sides of the clamping blocks are clamped and close to the solvent bottle, and then the fastening nuts at two sides of the protective frame are rotated to fix the threaded rods, so that the solvent bottle can be fixed.

Description

Liquid chromatograph for detecting harmful substances in domestic drinking water

Technical Field

The utility model relates to the technical field of detection of harmful substances in domestic drinking water, in particular to a liquid chromatograph for detecting the harmful substances in the domestic drinking water.

Background

Water is a source of our life, and the health of the water body immediately affects the health problem of people, if the quality of life drinking water is a problem, the physical and mental health of people can be endangered. In the water quality detection work of the domestic drinking water, the important efficacy is stimulated in ensuring the safety of the domestic drinking water; the detection method is used for detecting whether the drinking water is provided with pollutants or not, and the detection method is used for detecting whether the drinking water is provided with the pollutants or not and comprises the following steps of taking liquid as a mobile phase, carrying out detection by using high-pressure liquid system software, wherein the key comprises various organic nutrient elements, organic fertilizer compounds of agriculture and animal husbandry and the like;

aiming at the prior art, the patent number is: CN201921719030.2, it is through adjusting the holding tank on solvent cabinet top, rotate the regulation handle and make the regulation handle drive fixing bolt and rotate, fixing bolt keeps away from extension, make extension slide in extension groove under extension spring's effect, extension slip drives the slider and slides in the spout, when the slider slides to with the stopper butt, the slider stops to slide and drives extension stop sliding, then promote extension and make extension extrusion extension spring in the extension groove, when adjusting to suitable position, rotate the regulation handle and drive fixing bolt and extension butt, make extension and fixed part position fix, enlarge the volume of holding tank, reach the purpose that solvent cabinet top held the more solvent bottle of quantity.

However, when the solvent bottle filled with the life drinking water is placed in the accommodating box at the upper end of the liquid chromatograph, and the bottle mouth of the solvent bottle guides the life drinking water in the solvent bottle into the liquid chromatograph for detection through the connecting pipe, the solvent bottle is easily pulled out of the accommodating box and broken due to the fact that the connecting pipe on the solvent bottle is more in connection; therefore, the existing requirements are not met, and a liquid chromatograph aiming at detecting harmful substances in domestic drinking water is provided.

Disclosure of Invention

The utility model aims to provide a liquid chromatograph for detecting harmful substances in life drinking water, which aims to solve the problems that in the prior art, a solvent bottle filled with life drinking water is placed in a containing box at the upper end of the liquid chromatograph, and when the life drinking water in the solvent bottle is led into the liquid chromatograph for detection through a connecting pipe at the bottle mouth of the solvent bottle, the connecting pipe on the solvent bottle is more in connection, so that the solvent bottle is easily pulled out of the containing box and broken.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a liquid chromatograph to harmful substance detection in drinking water, includes the liquid chromatograph fuselage, the upper end of liquid chromatograph fuselage is fixed to be equipped with fixed roof, the inside fixed fixture that is equipped with of upper end of fixed roof, fixture includes the protection frame, the both sides wall screw thread through connection of protection frame has the threaded rod, both sides the threaded rod is located the outside one end threaded connection of protection frame has fastening nut, the threaded rod is kept away from fastening nut's one end and is located the inside fixedly connected with sliding plate of protection frame.

Preferably, the sliding plate is connected with a push plate through a connecting rod, one side of the push plate is provided with a clamping block, and a buffer device is arranged between the clamping block and the push plate.

Preferably, the buffer device comprises a sleeve, the inside of the sleeve is of a hollow structure, a buffer spring is arranged in the sleeve, a T-shaped slide bar is arranged on one side of the buffer spring, one end of the slide bar is arranged in the sleeve, and the other end of the slide bar extends out of the sleeve and is fixedly connected with one side of the clamping block.

Preferably, the sliding grooves are formed in two sides of the inner wall of the protective frame, and two ends of the sliding plate are slidably connected to the inside of the sliding grooves.

Preferably, the limit groove is seted up to the inside of protection frame and the up end that is located fixed roof, the solvent bottle has been placed to the inside in limit groove, one side that the slide bar was kept away from to the clamp splice is laminated with the surface of solvent bottle.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the solvent bottle filled with the life drinking water is placed in the limit groove at the upper end of the fixed top plate from the position between the clamping blocks at two sides, then the threaded rods at two sides of the protective frame are pushed, so that the threaded rods drive the sliding plate to move along the sliding groove, the inner sides of the clamping blocks are clamped and close to the solvent bottle, after the clamping blocks are clamped and fixed with the outer surfaces of the solvent bottle, the fastening nuts at two sides of the protective frame are rotated to fix the threaded rods, so that the solvent bottle can be fixed at the upper end of the liquid chromatograph body, harmful substances in the life drinking water can be conveniently detected, and the problem that the solvent bottle is damaged due to too strong stress can be prevented through the buffer device.

Drawings

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

FIG. 2 is a top view of the entirety of the present utility model;

fig. 3 is a cross-sectional view at a in fig. two of the present utility model.

In the figure: 1. a liquid chromatograph body; 2. fixing the top plate; 3. a protective frame; 301. a sliding groove; 4. a solvent bottle; 5. a limit groove; 6. a threaded rod; 7. fastening a fastening nut; 8. a sliding plate; 9. a connecting rod; 10. a push plate; 11. a buffer device; 1101. a sleeve; 1102. a buffer spring; 1103. a slide bar; 12. and clamping blocks.

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.

Referring to fig. 1 to 3, an embodiment of the present utility model provides: the utility model provides a liquid chromatograph to harmful substance detection in drinking water, including liquid chromatograph fuselage 1, liquid chromatograph fuselage 1's upper end is fixed to be equipped with fixed roof 2, fixed roof 2's upper end is inside to be fixed to be equipped with a plurality of fixture, fixture includes protection frame 3, the both sides wall screw thread through-connection of protection frame 3 has threaded rod 6, the one end threaded connection that both sides threaded rod 6 is located protection frame 3 outside has fastening nut 7, the one end that fastening nut 7 was kept away from to threaded rod 6 just is located protection frame 3's inside fixedly connected with sliding plate 8, sliding tray 301 has all been seted up to protection frame 3's inner wall both sides, sliding tray 8's both ends sliding connection is in the inside of sliding tray 301.

The inside of the protection frame 3 and the up end that is located fixed roof 2 have offered spacing groove 5, and solvent bottle 4 has been placed to the inside of spacing groove 5, will be equipped with the solvent bottle 4 of life drinking water from between the clamp splice 12 of both sides through placing in the spacing groove 5 of fixed roof 2 upper end, promote the threaded rod 6 of protection frame 3 both sides afterwards for threaded rod 6 drives sliding plate 8 and removes along sliding groove 301, makes the inboard and the solvent bottle 4 clamp of clamp splice 12 press from both sides tightly to be close to.

The slide plate 8 is connected with the push plate 10 through connecting rod 9, one side of push plate 10 is equipped with clamp splice 12, be equipped with buffer 11 between clamp splice 12 and the push plate 10, buffer 11 includes sleeve 1101, sleeve 1101's inside is hollow structure, be equipped with buffer spring 1102 in the sleeve 1101, one side of buffer spring 1102 is equipped with the slide bar 1103 that is T shape, the inside of sleeve 1101 is located to slide bar 1103 one end, and the other end of slide bar 1103 extends sleeve 1101 and one side fixed connection of clamp splice 12, one side that clamp splice 12 kept away from slide bar 1103 is laminated with the surface of solvent bottle 4, can prevent through buffer 11 that solvent bottle 4 from atress is too violent, cause impaired problem.

During the use, will be equipped with the solvent bottle 4 of life drinking water through placing in the spacing groove 5 of fixed roof 2 upper end between the clamp splice 12 of both sides, promote the threaded rod 6 of protection frame 3 both sides afterwards, make threaded rod 6 drive sliding plate 8 along sliding groove 301 remove, make the inboard of clamp splice 12 press from both sides tightly close to with solvent bottle 4, after the outward appearance centre gripping of clamp splice 12 and solvent bottle 4 is fixed, rotate the fastening nut 7 of protection frame 3 both sides and make threaded rod 6 fixed, thereby can be fixed in the upper end of liquid chromatograph fuselage 1 with solvent bottle 4, be convenient for detect harmful substance in the life drinking water, can prevent through buffer 11 that solvent bottle 4 atress is too violent, cause impaired problem.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a liquid chromatograph to harmful substance detection in drinking water, includes liquid chromatograph fuselage (1), its characterized in that: the liquid chromatograph fuselage (1) is fixed to be equipped with fixed roof (2) in the upper end, the upper end internal fixation of fixed roof (2) is equipped with a plurality of fixture, fixture includes protection frame (3), the both sides wall screw thread through connection of protection frame (3) has threaded rod (6), both sides threaded rod (6) are located the outside one end screw thread connection of protection frame (3) has fastening nut (7), the one end that fastening nut (7) was kept away from to threaded rod (6) just is located the inside fixedly connected with sliding plate (8) of protection frame (3).

2. A liquid chromatograph for detecting harmful substances in drinking water according to claim 1, characterized in that: the sliding plate (8) is connected with a push plate (10) through a connecting rod (9), one side of the push plate (10) is provided with a clamping block (12), and a buffer device (11) is arranged between the clamping block (12) and the push plate (10).

3. A liquid chromatograph for detecting harmful substances in drinking water according to claim 2, characterized in that: the buffer device (11) comprises a sleeve (1101), the inside of the sleeve (1101) is of a hollow structure, a buffer spring (1102) is arranged in the sleeve (1101), a T-shaped sliding rod (1103) is arranged on one side of the buffer spring (1102), one end of the sliding rod (1103) is arranged in the sleeve (1101), and the other end of the sliding rod (1103) extends out of the sleeve (1101) and is fixedly connected with one side of a clamping block (12).

4. A liquid chromatograph for detecting harmful substances in drinking water according to claim 1, characterized in that: the two sides of the inner wall of the protective frame (3) are provided with sliding grooves (301), and the two ends of the sliding plate (8) are connected with the inside of the sliding grooves (301) in a sliding mode.

5. A liquid chromatograph for detecting harmful substances in drinking water according to claim 2, characterized in that: the inside of protection frame (3) and be located the up end of fixed roof (2) and seted up spacing groove (5), solvent bottle (4) have been placed to the inside of spacing groove (5), one side that slide bar (1103) were kept away from to clamp splice (12) is laminated with the surface of solvent bottle (4).