CN208212585U - A kind of solid-phase extraction device - Google Patents

Abstract

A kind of solid-phase extraction device, it is related to detection of veterinary drugs in food equipment technical field；Bottom plate is provided in rectangular cylinder body, the top of bottom plate is disposed with support plate, lower shelf and upper shelf from bottom to top, and bar is connected through a screw thread after sequentially passing through shelf, lower shelf and support plate from top to bottom with bottom plate；Fixed clip and lower fixed clip are fixed on the bar；The side of the rectangle cylinder body is connected with bonding in vacuum bar, and valve body is equipped on bonding in vacuum bar, and one end of valve body is connected with vent valve, and the side wall of valve body is connected with vacuum meter；It is provided with several centrifuge tube jacks on the lower shelf and upper shelf, is inserted with centrifuge tube in centrifuge tube jack.A kind of solid-phase extraction device described in the utility model disposably can handle a large amount of samples simultaneously, easy to use convenient for number and statistics, facilitate vacuumizing or pressurizeing for waste collection and each step, facilitate adjusting height.

Description

A kind of solid-phase extraction device

Technical field

The utility model relates to detection of veterinary drugs in food equipment technical fields, and in particular to a kind of solid-phase extraction device.

Background technique

In detection of veterinary drugs in food and Pharmaceutical Analysis, common sample pretreating method is Solid Phase Extraction, have efficiently, Quickly, the features such as convenient and highly selective.Compared with traditional liquid-liquid extraction, SPE method uses efficient, highly selective fixation Phase simplifies sample handling procedure, and can reduce significantly poisonous and harmful solvent usage, and processing cost also accordingly reduces.SPE column Cheap price and high-effect very tempting, but since each step of SPE requires to vacuumize or pressurizes, and cannot be disposably same When handle a large amount of samples, thus often make one to feel inconvenient, and use a SPE vacuum plant, it become convenient substantially that completing analysis Task, domestic laboratory generally lacks this device, and the general unit of price of import SPE vacuum plant is difficult to bear, this The popularization and use for making SPE method are greatly limited.

Utility model content

The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, provide that a kind of structure is simple, design is closed Reason, solid-phase extraction device easy to use.

In order to achieve the above purposes, the technical solution adopted by the utility model is:, and it includes rectangle cylinder body, bottom plate, support Plate, lower shelf, upper shelf, bar, upper fixed clip, lower fixed clip, bonding in vacuum bar, valve body, vent valve, vacuum meter, centrifugation Pipe jack, centrifuge tube, upper cover, intubation head, SPE column；Be provided with bottom plate in the rectangular cylinder body, the top of bottom plate from lower and On be disposed with support plate, lower shelf and upper shelf, bar sequentially pass through from top to bottom after shelf, lower shelf and support plate with Bottom plate is connected through a screw thread；Fixed clip and lower fixed clip are fixed on the bar；The one of the rectangle cylinder body Side is connected with bonding in vacuum bar, and valve body is equipped on bonding in vacuum bar, and one end of valve body is connected with vent valve, and the side wall of valve body connects It is connected to vacuum meter；It is provided with several centrifuge tube jacks on the lower shelf and upper shelf, is inserted with centrifugation in centrifuge tube jack Pipe；The rectangle cylinder body upper end is provided with upper cover, and several intubation heads are provided on upper lid, is intubated in head and is inserted with SPE column.

Preferably, being provided with valve below the intubation head.

Preferably, being provided with the hole passed through for bar on the support plate, lower shelf and upper shelf.

Preferably, the bottom of the upper cover is provided with positioning column.

Preferably, the number of the centrifuge tube is 50.

Preferably, the number of the intubation head is 50.

When the utility model operates, 50 centrifuge tube jacks 13 are arranged with 5 × 10 on lower shelf 4 and upper shelf 5, true The right end of empty connecting rod 9 connects a fluid collection vials, and fluid collection vials are connect with vacuum source again, convenient for collecting waste liquid and each step Rapid vacuumizing or pressurizeing, and vent valve 11 can control the flow velocity of device, when vent valve 11 and vacuum meter connecting hole and vacuum connect When hole on extension bar 9 is aligned, the vacuum in device will be released；The height root of the support plate 3, lower shelf 4 and upper shelf 5 According to needing to slide up and down along bar 6, it is clipped on bar 6 with fixed clip 7 and lower fixed clip 8, position is in the hole of each plate 19 Place, with fixed height；The valve 18 is opened when inserting SPE column 17 for being intubated on first 16 and is used.

After adopting the above structure, the utility model is the beneficial effects are as follows: a kind of solid phase extraction described in the utility model Device is taken, disposably can handle a large amount of samples simultaneously, it is easy to use convenient for number and statistics, facilitate waste collection and each step Vacuumize or pressurize, facilitate adjusting height, the utility model has many advantages, such as that structure is simple, setting is reasonable, low manufacture cost.

Detailed description of the invention

Fig. 1 is the structure chart of the utility model；

Fig. 2 is the combination assumption diagram of the utility model bottom plate, support plate, lower shelf and upper shelf.

Description of symbols:

Rectangle cylinder body 1, bottom plate 2, support plate 3, lower shelf 4, upper shelf 5, bar 6, upper fixed clip 7, lower fixed clip 8, bonding in vacuum bar 9, valve body 10, vent valve 11, vacuum meter 12, centrifuge tube jack 13, centrifuge tube 14, upper cover 15, intubation head 16, SPE column 17, valve 18, hole 19, positioning column 20.

Specific embodiment

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Referring to such as Fig. 1 --- shown in Fig. 2, present embodiment adopts the following technical scheme that it includes rectangle cylinder body 1, bottom plate 2, support plate 3, lower shelf 4, upper shelf 5, bar 6, upper fixed clip 7, lower fixed clip 8, bonding in vacuum bar 9, valve body 10, vent valve 11, vacuum meter 12, centrifuge tube jack 13, centrifuge tube 14, upper cover 15, intubation head 16, SPE column 17；Described is rectangular Bottom plate 2 is provided in shape cylinder body 1, the top of bottom plate 2 is disposed with support plate 3, lower shelf 4 and upper shelf 5, bar from bottom to top 6 sequentially pass through shelf 5, lower shelf 4 and support plate 3 from top to bottom after be connected through a screw thread with bottom plate 2；It is solid on the bar 6 Surely there are upper fixed clip 7 and lower fixed clip 8；The side of the rectangle cylinder body 1 is connected with bonding in vacuum bar 9, and vacuum connects Valve body 10 is installed, one end of valve body 10 is connected with vent valve 11, and the side wall of valve body 10 is connected with vacuum meter 12 on extension bar 9；Institute It is provided with several centrifuge tube jacks 13 on the lower shelf 4 and upper shelf 5 stated, is inserted with centrifuge tube 14 in centrifuge tube jack 13；Institute 1 upper end of rectangle cylinder body stated is provided with upper cover 15, and several intubation heads 16 are provided in upper cover 15, is intubated in head 16 and is inserted with SPE column 17.

Preferably, the lower section of the intubation head 16 is provided with valve 18.

Preferably, being provided with the hole 19 passed through for bar 6 on the support plate 3, lower shelf 4 and upper shelf 5.

Preferably, the bottom of the upper cover 15 is provided with positioning column 20.

Preferably, the number of the centrifuge tube 14 is 50.

Preferably, the number of the intubation head 16 is 50.

When present embodiment operates, 50 centrifuge tube jacks 13 are arranged with 5 × 10 on lower shelf 4 and upper shelf 5, Connect a fluid collection vials in the right end of bonding in vacuum bar 9, fluid collection vials connects with vacuum source again, convenient for collect waste liquid with Each step vacuumizing or pressurizeing, and vent valve 11 can control the flow velocity of device, when vent valve 11 and vacuum meter connecting hole and very When hole in empty connecting rod 9 is aligned, the vacuum in device will be released；The height of the support plate 3, lower shelf 4 and upper shelf 5 Degree is slided up and down along bar 6 as needed, is clipped on bar 6 with fixed clip 7 and lower fixed clip 8, position is in each plate At hole 19, with fixed height；The valve 18 is opened when inserting SPE column 17 for being intubated on first 16 and is used.

After adopting the above structure, present embodiment is the beneficial effects are as follows: one described in present embodiment Kind solid-phase extraction device disposably can handle a large amount of samples simultaneously, easy to use convenient for number and statistics, facilitate waste collection Vacuumizing or pressurize with each step, facilitating adjusting height, present embodiment have structure is simple, setting rationally, production The advantages that at low cost.

The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.This The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments That states only illustrates the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model It will also have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.This is practical new Type is claimed range and is defined by the appending claims and its equivalent thereof.

Claims (6)

1. a kind of solid-phase extraction device, it is characterised in that: it include rectangle cylinder body, bottom plate, support plate, lower shelf, upper shelf, Bar, upper fixed clip, lower fixed clip, bonding in vacuum bar, valve body, vent valve, vacuum meter, centrifuge tube jack, centrifuge tube, on Lid, intubation head, SPE column；Bottom plate is provided in the rectangular cylinder body, the top of bottom plate is disposed with support from bottom to top Plate, lower shelf and upper shelf, bar are connected with bottom plate by screw thread after sequentially passing through shelf, lower shelf and support plate from top to bottom It connects；Fixed clip and lower fixed clip are fixed on the bar；The side of the rectangle cylinder body is connected with vacuum company Extension bar is equipped with valve body on bonding in vacuum bar, and one end of valve body is connected with vent valve, and the side wall of valve body is connected with vacuum meter；Institute It is provided with several centrifuge tube jacks on the lower shelf and upper shelf stated, is inserted with centrifuge tube in centrifuge tube jack；Described is rectangular Shape cylinder body upper end is provided with upper cover, and several intubation heads are provided on upper lid, is intubated in head and is inserted with SPE column.

2. a kind of solid-phase extraction device according to claim 1, it is characterised in that: be provided with below the intubation head Valve.

3. a kind of solid-phase extraction device according to claim 1, it is characterised in that: the support plate, lower shelf and on The hole passed through for bar is provided on shelf.

4. a kind of solid-phase extraction device according to claim 1, it is characterised in that: the bottom of the upper cover is provided with fixed Position column.

5. a kind of solid-phase extraction device according to claim 1, it is characterised in that: the number of the centrifuge tube is 50 Branch.

6. a kind of solid-phase extraction device according to claim 1, it is characterised in that: the number of the intubation head is 50 It is a.