CN218994923U - Buffer device for solid phase extraction - Google Patents

Abstract

The utility model discloses a buffer device for solid-phase extraction, which comprises a buffer bottle and a bottle plug connected with the top of the buffer bottle in a sealing way, wherein a side opening is integrally formed in the upper side of the buffer bottle and is connected with a vacuum pump through a vacuum tube, a liquid inlet pipe penetrates through the middle of the bottle plug, the lower end of the liquid inlet pipe extends to the bottom of the buffer bottle, a liquid outlet is formed in the side edge of the bottom of the buffer bottle, a sealing plug is arranged in the liquid outlet, a placing base is arranged below the buffer bottle, the upper end of the buffer bottle is movably clamped through a clamping frame, and the whole clamping frame forms an inclined deflection structure above the placing base. This a buffer for solid-phase extraction, but the mode of deflectable grip slipper is convenient to be used for flowing back fast through the leakage fluid dram cooperation, and cooperation activity grip block structure can be convenient for adapt to the flexible adjustment of buffer bottle of different specifications and use, and the grip slipper itself also can play good buffering guard action when receiving to collide with simultaneously.

Description

Buffer device for solid phase extraction

Technical Field

The utility model relates to the technical field related to sample solid-phase extraction detection, in particular to a buffer device for solid-phase extraction.

Background

In the pretreatment technology of detection samples, the application of solid phase extraction is more and more, analytes and interference components can be effectively separated through solid phase extraction, the recovery rate of the analytes can be improved compared with the common liquid-liquid extraction method, negative pressure is required to be provided through the cooperation of a vacuum pump during solid phase extraction, the liquid is required to be paid attention to at any time to avoid damage caused by direct suction of the vacuum pump when a negative pressure interface is directly connected, and the buffer device is matched to help avoid the damage.

The utility model provides a liquid that gathers up in ordinary buffer bottle is often poured out manually when needs, complex operation, efficiency are lower, still have like the vacuum safety device that chinese patent publication No. CN216117041U was applicable to the solid-phase extraction of water sample, use in succession through using bulky buffer bottle convenience, cooperate extra pump body equipment to carry out supplementary flowing back simultaneously, but this kind of bulky buffer bottle side is in addition to cooperate pump body structure volume to surpass solid-phase extraction equipment and former vacuum pump itself even, not only occupy a large amount of test bench spaces, also caused more potential safety hazards such as bump with, because of this, to above-mentioned problem, intensive study, the scheme has produced.

Aiming at the problems, the novel buffer device is innovatively designed on the basis of the original buffer device for solid-phase extraction.

Disclosure of Invention

The utility model aims to provide a buffer device for solid phase extraction, which aims to solve the problems that the buffer bottle is complicated in liquid discharging operation, the buffer bottle with lower efficiency and auxiliary equipment are not flexible to use and have potential safety hazards in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a buffer device for solid phase extraction comprises a buffer bottle and a bottle plug which is connected with the top of the buffer bottle in a sealing way;

a side opening is integrally formed above the side of the buffer bottle and is connected with a vacuum pump through a vacuum tube;

the middle part of the bottle stopper is penetrated with a liquid inlet pipe, and the lower end of the liquid inlet pipe extends to the bottom of the buffer bottle;

a liquid outlet is formed in the side edge of the bottom of the buffer bottle, and a sealing plug is arranged in the liquid outlet;

the lower part of the buffer bottle is provided with a placing base, the upper end of the buffer bottle is movably clamped by a clamping frame, and the whole clamping frame is arranged above the placing base to form an inclined deflection structure.

Preferably, the left side and the right side above the placing base are all integrally provided with a supporting frame, the inner part of the supporting frame is movably connected with a movable shaft, and the whole clamping frame forms a rotating structure through the movable shaft.

By adopting the technical scheme, the deflection structure of the clamping frame can be convenient for being matched with the liquid outlet of the buffer bottle to rapidly deflect and incline to discharge liquid under the condition of not disassembling and assembling.

Preferably, the central axis of the movable shaft is perpendicular to the central axis of the buffer bottle, a reset torsion spring is arranged between the movable shaft and the support frame in a fitting mode, and the integral deflection of the clamping frame keeps the initial position under the action of the reset torsion spring.

By adopting the technical scheme, the elastic reset function is achieved through the reset torsion spring, the vertical stable clamping of the clamping frame to the buffer bottle is conveniently maintained, and the buffer protection function can be achieved when the buffer bottle is impacted.

Preferably, the clamping frame comprises a movable frame, a clamping block, an anti-slip rubber mat, an adjusting screw and a movable sliding rod, and the side edge of the movable frame and the movable shaft are of an integrated structure.

By adopting the technical scheme, through the rotary structure of the clamping frame matched with the movable shaft, the deflection activity after clamping the buffer bottle is convenient to pour, repeated disassembly and assembly are not needed, the sealing connection of the upper interface is maintained, the operation is convenient, and the continuous extraction and use are convenient.

Preferably, the movable sliding rod is positioned at the rear side of the movable frame, and the clamping block forms a left-right sliding structure along the movable sliding rod;

the clamping blocks are symmetrically arranged on the left side and the right side of the movable frame, and anti-slip rubber pads are attached to the surfaces of the clamping blocks.

By adopting the technical scheme, the buffer bottles with different sizes are flexibly adjusted and used by the convenient clamping blocks, and the buffer bottles have good use flexibility.

Preferably, the adjusting screw is positioned at the front side of the movable frame, a thread transmission structure is formed between the clamping block and the adjusting screw, and the directions of threads at the left side and the right side of the adjusting screw are opposite;

the outer end of the adjusting screw is connected with a fastening nut.

By adopting the technical scheme, the clamping block is flexibly adjusted and clamped through the screw rod transmission structure of the adjusting screw rod.

Compared with the prior art, the utility model has the beneficial effects that: the buffer device for solid-phase extraction is provided,

1. the liquid discharge port is matched with the deflectable clamping frame, so that the liquid discharge is convenient and quick, the buffer bottle can avoid eluent from being pumped into the vacuum pump in the using process of the device, the inclined liquid discharge can be conveniently and quickly deflected through the liquid discharge port through the rotating structure of the clamping frame matched with the movable shaft, repeated disassembly and assembly are not needed, the sealing connection of the upper interface is kept, the operation is convenient, and the continuous detection and the extraction use are convenient;

2. the movable clamping block structure which is matched with the clamping frame and further can be flexibly adjusted is arranged, in the using process of the device, the buffer bottles with different specifications can be flexibly adjusted and used conveniently through flexible adjustment of the clamping blocks along the adjusting screw rods and the movable sliding rods, and meanwhile, the clamping frame is matched with the reset torsion spring through the movable shaft to keep the elastic buffer support of the deflection structure, so that a good buffer protection effect can be achieved when the buffer support is knocked.

Drawings

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

FIG. 2 is a schematic perspective view of a buffer bottle according to the present utility model;

FIG. 3 is a schematic view of a front cross-sectional structure of a placement base of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3 a according to the present utility model;

fig. 5 is a schematic top view of the clamping frame of the present utility model.

In the figure: 1. a buffer bottle; 2. a bottle stopper; 3. a side opening; 4. a vacuum tube; 5. a liquid inlet pipe; 6. a liquid outlet; 7. a sealing plug; 8. placing a base; 9. a clamping frame; 91. a movable frame; 92. a clamping block; 93. an anti-slip rubber pad; 94. adjusting a screw; 95. a movable slide rod; 10. a support frame; 11. a movable shaft; 12. and a reset torsion 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 buffer for solid-phase extraction, including buffer bottle 1 and buffer bottle 1 top sealing connection's bottle plug 2, side opening 3 has been seted up to the side top integration of buffer bottle 1, and side opening 3 passes through vacuum tube 4 and connects the vacuum pump, the middle part of bottle plug 2 runs through and has feed liquor pipe 5, and the lower extreme of feed liquor pipe 5 extends to buffer bottle 1 bottom, liquid outlet 6 has been seted up to the side of buffer bottle 1 bottom, and the inside of liquid outlet 6 is provided with sealing plug 7, when being used for solid-phase extraction device, the negative pressure port of solid-phase extraction appearance is connected to feed liquor pipe 5, make the UNICOM pipeline pass through buffer bottle 1 back again to the vacuum pump, avoid the eluent to be drawn into the vacuum pump;

as shown in fig. 3-4, the base 8 is placed below the buffer bottle 1, the upper end of the buffer bottle 1 is movably clamped through the clamping frame 9, an inclined deflection structure is formed above the base 8 by the clamping frame 9, the supporting frames 10 are integrally arranged on the left side and the right side above the base 8, the movable shafts 11 are movably connected in the supporting frames 10, the clamping frame 9 integrally forms a rotary structure through the movable shafts 11, the deflection structure shell of the clamping frame 9 is convenient for being matched with the liquid outlet 6 of the buffer bottle 1 to rapidly deflect and drain liquid under the condition of not disassembling and assembling, the central axis of the movable shafts 11 and the central axis of the buffer bottle 1 are mutually perpendicular, the reset torsion spring 12 is attached between the movable shafts 11 and the supporting frames 10, the integral deflection of the clamping frame 9 is kept at an initial position under the action of the reset torsion spring 12, the action of elastic reset is realized through the reset torsion spring 12, the vertical stable clamping of the buffer bottle 1 is conveniently kept, and the buffer protection effect can be also realized when the buffer bottle 1 is collided.

As shown in fig. 3 and 5, the clamping frame 9 comprises a movable frame 91, a clamping block 92, an anti-slip rubber pad 93, an adjusting screw 94 and a movable sliding rod 95, the side edge of the movable frame 91 and the movable shaft 11 are of an integrated structure, the movable tilting of the buffer bottle 1 is conveniently clamped through the rotating structure of the clamping frame 9 matched with the movable shaft 11, repeated disassembly and assembly are not needed, the sealing connection of the upper interface is kept, the operation is convenient, the continuous extraction and use are conveniently and continuously carried out, the movable sliding rod 95 is located at the rear side of the movable frame 91, the clamping block 92 forms a left sliding structure along the movable sliding rod 95, the clamping block 92 is symmetrically arranged at the left side and the right side of the movable frame 91, the anti-slip rubber pad 93 is attached to the surface of the clamping block 92, the clamping block 92 is convenient for adapting to buffer bottles 1 with different sizes for flexible adjustment, the clamping screw 94 is located at the front side of the movable frame 91, the clamping block 92 and the adjusting screw 94 and the screw 94 is reversely threaded transmission structure is formed, the outer ends of the adjusting screw 94 are connected with fastening nuts, and the clamping block 94 is flexibly adjusted through the adjusting screw 92.

While embodiments of the present utility model have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may 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 (6)

1. The utility model provides a buffer for solid phase extraction, includes buffer bottle (1) and buffer bottle (1) top sealing connection's bottle plug (2), its characterized in that:

a side opening (3) is integrally formed in the upper side of the buffer bottle (1), and the side opening (3) is connected with a vacuum pump through a vacuum tube (4);

the middle part of the bottle stopper (2) is penetrated with a liquid inlet pipe (5), and the lower end of the liquid inlet pipe (5) extends to the bottom of the buffer bottle (1);

a liquid outlet (6) is formed in the side edge of the bottom of the buffer bottle (1), and a sealing plug (7) is arranged in the liquid outlet (6);

the lower part of the buffer bottle (1) is provided with a placing base (8), the upper end of the buffer bottle (1) is movably clamped by a clamping frame (9), and the clamping frame (9) integrally forms an inclined deflection structure above the placing base (8).

2. A buffer device for solid phase extraction according to claim 1, characterized in that: the left side and the right side above the placing base (8) are integrally provided with a supporting frame (10), the inner part of the supporting frame (10) is movably connected with a movable shaft (11), and the whole clamping frame (9) forms a rotary structure through the movable shaft (11).

3. A buffer device for solid phase extraction according to claim 2, characterized in that: the central axis of the movable shaft (11) is perpendicular to the central axis of the buffer bottle (1), a reset torsion spring (12) is attached between the movable shaft (11) and the supporting frame (10), and the integral deflection of the clamping frame (9) keeps the initial position under the action of the reset torsion spring (12).

4. A buffer device for solid phase extraction according to claim 3, characterized in that: the clamping frame (9) comprises a movable frame (91), a clamping block (92), an anti-slip rubber pad (93), an adjusting screw (94) and a movable sliding rod (95), and the side edge of the movable frame (91) and the movable shaft (11) are of an integrated structure.

5. A buffer device for solid phase extraction according to claim 4, wherein: the movable sliding rod (95) is positioned at the rear side of the movable frame (91), and the clamping block (92) forms a left-right sliding structure along the movable sliding rod (95);

the clamping blocks (92) are symmetrically arranged at the left side and the right side of the movable frame (91), and anti-slip rubber pads (93) are attached to the surfaces of the clamping blocks (92).

6. The buffer device for solid phase extraction according to claim 5, wherein: the adjusting screw (94) is positioned at the front side of the movable frame (91), a threaded transmission structure is formed between the clamping block (92) and the adjusting screw (94), and the threads on the left side and the right side of the adjusting screw (94) are opposite in direction;

the outer end of the adjusting screw rod (94) is connected with a fastening nut.

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