CN214409018U

CN214409018U - Automatic sample injector frame

Info

Publication number: CN214409018U
Application number: CN202120616200.5U
Authority: CN
Inventors: 谭扬
Original assignee: Yantai Institute of Coastal Zone Research of CAS
Current assignee: Yantai Institute of Coastal Zone Research of CAS
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-15
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses an autoinjector frame, including the mounting panel, the equal threaded connection in four corners at mounting panel top has the fixing bolt who runs through to its bottom, the equal fixedly connected with first support column in the equal fixedly connected with in front position of leaning on of mounting panel top both sides, and the equal fixedly connected with second support column in back position of leaning on of mounting panel top both sides, and the top of first support column and second support column all is connected with first fixed column and second fixed column respectively through fixed subassembly, all is provided with spacing subassembly on first support column and the first fixed column, the utility model relates to an autoinjector frame technical field. This autoinjector frame, the pulling rotor plate drives the baffle and contracts in the fixed slot, makes the baffle lose the limiting displacement to advancing model, an upper fixed plate or bottom plate, can take into model, an upper fixed plate or bottom plate and take out to change to make this sample injector frame can be applicable to different types of the head-space bottle of keeping silent, application scope is wider, has improved the practicality.

Description

Automatic sample injector frame

Technical Field

The utility model relates to a sample injector frame technical field specifically is an automatic sample injector frame.

Background

Currently, NO in water samples₃ ^-The common pretreatment methods include chemical method and bacterial method, and the two methods are to carry out a series of reactions to measure the ratio of the stable isotopes of nitrogen and oxygen in the water body sample₃ ^-Conversion to N₂O gas, then through the way of headspace samplingAnd (6) carrying out testing. The volume of the sample solution is 4-5 mL, a 20mL jaw headspace bottle is usually selected as a container (the common 20mL jaw headspace bottle has the size of 22.5mm in outer diameter and 75.5mm in height), a Precon (trace gas preconcentration device) is connected with a Gasbench CTC automatic sample injector, and the stable isotope ratio is detected by adopting an automatic sample injection mode.

However, the sample injection base of the CTC autosampler of Gasbench can only be suitable for a 12mL headspace bottle, which limits the application range of the autosampler, and the existing sample injector frame is inconvenient to replace the fixed layer, so that the operation is inconvenient, the working efficiency is affected, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an autoinjector frame has solved application scope less, and is inconvenient to change the fixed bed, the relatively poor problem of practicality.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an autoinjector holder, includes the mounting panel, the equal threaded connection in four corners at mounting panel top has the fixing bolt who runs through to its bottom, the equal fixedly connected with first support column in the position before leaning on of mounting panel top both sides, and the equal fixedly connected with second support column in the position after leaning on of mounting panel top both sides, the top of first support column and second support column all is connected with first fixed column and second fixed column respectively through fixed subassembly, two install into model and an upper fixed plate from the top down between first fixed column and the second fixed column, two install the bottom plate between first support column and the second support column, it is spacing through first mounting groove all to advance between model and the upper fixed plate and the first fixed column, advance between model and upper fixed plate and the second fixed column, All carry on spacingly through the second mounting groove between bottom plate and the second support column, all be provided with spacing subassembly on first support column and the first fixed column.

Preferably, the limiting assembly comprises a fixing groove formed in the inner portion of the first supporting column, a movable plate is connected to the top of the inner wall of the fixing groove in a sliding mode before the top and the bottom of the inner wall of the fixing groove, and a baffle penetrating through the left side of the movable plate to the inner portion of the first mounting groove is fixedly connected to the left side of the movable plate.

Preferably, the right side fixedly connected with of fly leaf runs through to the outside connecting rod of first support column, the connecting rod is located the outside one end rotation of first support column and is connected with the rotor plate.

Preferably, the spring on connecting rod surface is established to the right side fixedly connected with cover of fly leaf to the other end of spring and the right side fixed connection of fixed slot inner wall, the right side of first support column just is located the top and the equal fixedly connected with limiting plate in below of rotor plate.

Preferably, the fixing assembly comprises a first connecting plate fixed at the top of the first support column and a second connecting plate fixed at the bottom of the first fixing column, and the first connecting plate and the second connecting plate are fixed through connecting bolts.

Preferably, the front surfaces of the first connecting plate and the second connecting plate are provided with threaded holes which penetrate through to the back surface and are matched with the connecting bolts.

Preferably, the top of the sample injection plate is provided with a through sample injection hole, and the tops of the upper fixing plate and the lower fixing plate are provided with a through placing hole.

Advantageous effects

The utility model provides an automatic sample feeder frame. Compared with the prior art, the method has the following beneficial effects:

(1) the automatic sample injector frame is characterized in that a limiting component is arranged on a first supporting column and a first fixing column, the limiting component comprises a fixing groove arranged in the first supporting column, a movable plate is connected in front of the top and the bottom of the inner wall of the fixing groove in a sliding manner, a baffle penetrating into the first mounting groove is fixedly connected to the left side of the movable plate, a connecting rod penetrating to the outside of the first supporting column is fixedly connected to the right side of the movable plate, one end, located at the outside of the first supporting column, of the connecting rod is rotatably connected with a rotating plate, the rotating plate is pulled to drive the baffle to shrink inwards the fixing groove, so that the baffle loses the limiting effect on a sample feeding plate, an upper fixing plate or a lower fixing plate, can take into model, an upper fixed plate or a bottom plate out to change to make this sample introduction device frame can be applicable to different types of overhead bottle of keeping silent, application scope is wider, has improved the practicality.

(2) This autoinjector frame, all be connected with first fixed column and second fixed column respectively through fixed subassembly through the top of first support column and second support column, fixed subassembly is including fixing the first connecting plate at first support column top and fixing the second connecting plate in first fixed column bottom, it is fixed through connecting bolt between first connecting plate and the second connecting plate, the screw hole with connecting bolt looks adaptation that runs through to the back is all seted up in the front of first connecting plate and second connecting plate, fixed subassembly can adjust the distance between upper fixed plate and the bottom plate, thereby make this sampling ware frame can be applicable to not co-altitude overhead bottle of keeping silent, further enlarged application scope, it is more nimble to use.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a perspective view of a second supporting column and a second fixing column structure of the present invention;

fig. 4 is a perspective view of the fixing assembly of the present invention;

fig. 5 is a cross-sectional view of the present invention;

fig. 6 is a partially enlarged view of the point B in fig. 5 according to the present invention.

In the figure: the fixing device comprises a mounting plate 1, a fixing bolt 2, a first supporting column 3, a second supporting column 4, a fixing component 5, a first connecting plate 51, a second connecting plate 52, a connecting bolt 53, a threaded hole 54, a limiting component 6, a fixing groove 61, a movable plate 62, a baffle 63, a connecting rod 64, a rotating plate 65, a spring 66, a limiting plate 67, a first fixing column 7, a second fixing column 8, a sample feeding plate 9, an upper fixing plate 10, a lower fixing plate 11, a first mounting groove 12 and a second mounting groove 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an automatic sample injector frame comprises a mounting plate 1, wherein four corners of the top of the mounting plate 1 are all in threaded connection with fixing bolts 2 penetrating through the bottom of the mounting plate 1, the two sides of the top of the mounting plate 1 are all fixedly connected with first supporting columns 3 in the front positions and the two sides of the top of the mounting plate 1 are all fixedly connected with second supporting columns 4 in the rear positions, the top ends of the first supporting columns 3 and the second supporting columns 4 are respectively connected with first fixing columns 7 and second fixing columns 8 through fixing components 5, a sample inlet plate 9 and an upper fixing plate 10 are arranged between the two first fixing columns 7 and the two second fixing columns 8 from top to bottom, a lower fixing plate 11 is arranged between the two first supporting columns 3 and the two second supporting columns 4, a position between the sample inlet plate 9 and the upper fixing plate 10 and the first fixing columns 7 and a position between the lower fixing plate 11 and the first supporting columns 3 are limited through first mounting grooves 12, and a position between the sample inlet plate 9 and the upper fixing plate 10 and the second fixing columns 8, All carry on spacingly through second mounting groove 13 between bottom plate 11 and the second support column 4, all be provided with spacing subassembly 6 on first support column 3 and the first fixed column 7.

Spacing subassembly 6 is including offering at the inside fixed slot 61 of first support column 3, sliding connection has fly leaf 62 before the top of fixed slot 61 inner wall and the bottom, the left side fixedly connected with of fly leaf 62 runs through to the inside baffle 63 of first mounting groove 12, the right side fixedly connected with of fly leaf 62 runs through to the outside connecting rod 64 of first support column 3, connecting rod 64 is located the outside one end rotation of first support column 3 and is connected with rotor plate 65, the right side fixedly connected with cover of fly leaf 62 is established at the spring 66 on connecting rod 64 surface, and the other end of spring 66 and the right side fixed connection of fixed slot 61 inner wall, the right side of first support column 3 just is located the top of rotor plate 65 and the equal fixedly connected with limiting plate 67 in below, can realize into model 9 through spacing subassembly 6, the change of upper fixed plate 10 and bottom plate 11.

The fixing component 5 comprises a first connecting plate 51 fixed at the top of the first support column 3 and a second connecting plate 52 fixed at the bottom of the first support column 7, the first connecting plate 51 and the second connecting plate 52 are fixed through a connecting bolt 53, threaded holes 54 which are matched with the connecting bolt 53 and run through to the back are formed in the front faces of the first connecting plate 51 and the second connecting plate 52, the fixing component 5 can adjust the distance between the upper fixing plate 10 and the lower fixing plate 11, and therefore the sample feeding frame can be suitable for jaw headspace bottles with different heights, the application range is further expanded, and the use is more flexible.

Advance the appearance hole of advancing that sample plate 9 top was seted up and runs through, the hole of placing that runs through is all seted up at the top of upper fixed plate 10 and bottom plate 11, according to the in-service use demand, can will change upper fixed plate 10 and bottom plate 11 to make this sample injector frame can be applicable to the overhead bottle of keeping silent in different apertures.

When the sample injector frame is used, the sample injector frame is fixed on an automatic sample injector through the fixing bolt 2, the rotating plate 65 in the limiting component 6 for fixing the sample injection plate 9 is pulled towards two sides, so that the connecting rod 64 drives the movable plate 62 to move, the baffle 63 is further driven to move, the spring 66 is compressed at the moment, after the baffle 63 loses the limiting effect on the sample injection plate 9, the rotating plate 65 is pulled to the right sides of the two limiting plates 67, the rotating plate 65 is rotated to the vertical state at the moment, the limiting plates 67 block the rotating plate 65, the spring 66 is prevented from rebounding to drive the limiting plates 67 to rebound, the sample injection plate 9 is pulled away from between the two first fixing columns 7, the jaw hollow bottle is placed in the placing hole on the upper fixing plate 10, the bottom of the jaw hollow bottle passes through the upper fixing plate 10 and the lower fixing plate 11 once, and finally the bottom mounting plate of the jaw hollow bottle is contacted with the top of the sample injector 1, cooperate mutually through an upper fixed plate 10 and a lower fixed plate 11 and fix the overhead bottle of keeping silent, then will advance kind board 9 and insert again and get into in the first mounting groove 12 between two first fixed columns 7, and will advance model 9 backward promotion, make the back edge of advancing kind board 9 get into in the second mounting groove 13 between two second fixed columns 8, then rotate both sides rotor plate 65 to horizontal position, make two upper and lower limiting plates 67 lose the limiting displacement to rotor plate 65, rotor plate 65 will move to between two limiting plates 67 under the effect of spring 66 resilience force this moment, baffle 63 moves to initial position simultaneously, play limiting displacement to advancing kind board 9, prevent to advance model 9 position and take place the skew.

When the upper fixed plate 10 and the lower fixed plate 11 of different specifications need to be changed, the rotating plate 65 of the corresponding position is pulled, so that the baffle 63 can be changed after losing the limiting effect on the upper fixed plate 10 or the lower fixed plate 11, and the structure is simple and the operation is convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides an autoinjector frame, includes mounting panel (1), the equal threaded connection in four corners at mounting panel (1) top has fixing bolt (2) that run through to its bottom, its characterized in that: the device is characterized in that the front positions of two sides of the top of the mounting plate (1) are fixedly connected with first supporting columns (3), the rear positions of two sides of the top of the mounting plate (1) are fixedly connected with second supporting columns (4), the top ends of the first supporting columns (3) and the second supporting columns (4) are respectively connected with first fixing columns (7) and second fixing columns (8) through fixing components (5), a sample inlet plate (9) and an upper fixing plate (10) are arranged between the two first fixing columns (7) and the two second fixing columns (8) from top to bottom, a lower fixing plate (11) is arranged between the two first supporting columns (3) and the two second supporting columns (4), the position between the sample inlet plate (9) and the upper fixing plate (10) and the first fixing columns (7) and the position between the lower fixing plate (11) and the first supporting columns (3) are limited through first mounting grooves (12), advance between model (9) and upper fixed plate (10) and second fixed column (8), between lower fixed plate (11) and second support column (4) all carry on spacingly through second mounting groove (13), all be provided with spacing subassembly (6) on first support column (3) and first fixed column (7).

2. An autosampler rack according to claim 1, wherein: spacing subassembly (6) are including offering fixed slot (61) in first support column (3) inside, sliding connection has fly leaf (62) before the top of fixed slot (61) inner wall and bottom, the left side fixedly connected with of fly leaf (62) runs through baffle (63) to first mounting groove (12) inside.

3. An autosampler rack according to claim 2, wherein: the right side fixedly connected with of fly leaf (62) runs through to the outside connecting rod (64) of first support column (3), the one end that connecting rod (64) are located first support column (3) outside is rotated and is connected with rotor plate (65).

4. An autosampler rack according to claim 3, wherein: the right side fixedly connected with cover of fly leaf (62) establishes spring (66) on connecting rod (64) surface to the right side fixed connection of the other end of spring (66) and fixed slot (61) inner wall, the right side of first support column (3) just is located the top and the equal fixedly connected with limiting plate (67) in below of rotor plate (65).

5. An autosampler rack according to claim 1, wherein: the fixing assembly (5) comprises a first connecting plate (51) fixed to the top of the first supporting column (3) and a second connecting plate (52) fixed to the bottom of the first fixing column (7), and the first connecting plate (51) and the second connecting plate (52) are fixed through connecting bolts (53).

6. An autosampler rack according to claim 5, wherein: the front surfaces of the first connecting plate (51) and the second connecting plate (52) are provided with threaded holes (54) which penetrate through to the back surface and are matched with the connecting bolts (53).

7. An autosampler rack according to claim 1, wherein: the sample inlet holes penetrating through the top of the sample inlet plate (9) are formed in the top of the sample inlet plate, and the placing holes penetrating through the top of the upper fixing plate (10) and the top of the lower fixing plate (11) are formed in the top of the sample inlet plate.