CN218654584U - Sample plate, sample assembly and mass spectrometer - Google Patents

Abstract

The utility model provides a sample tray, a sample assembly and a mass spectrometer, which relate to the technical field of sample accommodation, the sample tray comprises a lower tray body, wherein a supporting part is arranged on the top surface of the lower tray body so as to be supported at the lower end of a test tube; the upper tray body is positioned right above the lower tray body at a certain interval and can be supported at the middle position close to the test tube, the upper tray body is provided with a jack for the test tube to penetrate through, and the position of the jack corresponds to the position of the support hole; the connecting assembly is connected between the lower disc body and the upper disc body; during the use, according to the length adjustment of test tube lower disk body and the interval between the dish body of hanging up, the lower extreme of test tube inserts the support hole on the disk body through the jack on the dish body inside, makes the middle part at the test tube that hangs up the dish body, and when the upper end of test tube received axial force, the bottom non-deformable of test tube rotated the dismouting to the sample dish through will restricting, and the disk body rotated with the relative of last disk body under the restriction.

Description

Sample plate, sample assembly and mass spectrometer

Technical Field

The utility model relates to a sample holds technical field, specifically is a sample dish, sample subassembly and mass spectrograph.

Background

The sample tray is a supporting member for accommodating a plurality of test tubes, and generally comprises a tray body and sample grooves arranged on the tray body, for example, a combined sample tray for irradiation food detection is disclosed in Chinese patent with an authorization publication number of CN204613082U, and comprises a sample tray base and a tray cover, wherein a plurality of sample grooves are uniformly distributed on the sample tray base, sealing covers are arranged on the sample grooves, and the sample grooves are matched with a special stainless steel sample tray for a thermoluminescent detector; in order to support the test tube, the size of the sample well is generally slightly larger than the size of the test tube, and the support point of the test tube is located at the lower end thereof, and when the upper end of the test tube is subjected to an axial force, the lower end of the test tube is subjected to a large force according to the lever principle, so that the bottom of the test tube is easily deformed by the force.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sample dish, sample subassembly and mass spectrograph, when aiming at solving among the prior art sample dish support test tube, when the test tube upper end received the axial force, the problem that the atress is great, easily warp bottom the test tube.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the sample tray comprises a lower tray body, and a supporting part is arranged on the top surface of the lower tray body so as to support the lower end of the test tube; the upper tray body is positioned right above the lower tray body at a certain interval and can be supported at the middle position close to the test tube, the upper tray body is provided with a jack for the test tube to penetrate through, and the position of the jack corresponds to the position of the support hole; and the connecting assembly is connected between the lower disc body and the upper disc body.

The utility model discloses a further technical scheme does, the supporting part is a plurality of supported holes of circumference array at lower disk body upper surface.

The utility model discloses a further technical scheme does, the supporting part is the ring channel that sets up at lower disk body upper surface.

The utility model discloses a further technical scheme does, coupling assembling's length is adjustable to increase or reduce the lower disk body and go up the interval between the disk body.

The utility model discloses a further technical scheme does, coupling assembling include the suit piece and with suit piece complex plug connector, the suit piece is fixed on one in lower disk body and the last disk body, the plug connector is fixed on another in lower disk body and the last disk body.

The utility model discloses a further technical scheme does, the suit spare and plug connector all are shaft-like, are provided with the internal thread hole on the suit spare, are formed with on the plug connector with internal thread hole complex external screw thread.

The utility model discloses a further technical scheme does, still including installing the restriction rotation piece on the sample dish to the relative rotation of disk body and last disk body under the restriction.

The utility model adopts the further technical proposal that a first limiting groove matched with the section of the rotation limiting part is arranged at the axial position of the lower disc body, and a second limiting groove matched with the section of the rotation limiting part is arranged at the axial position of the upper disc body; the first limiting groove, the second limiting groove and the limiting rotating piece are matched with each other to limit the relative rotation of the lower disc body and the upper disc body.

A sample assembly comprising a sample tray as claimed in any preceding claim, the sample tray having test tubes detachably mounted thereon.

A mass spectrometer comprising a sample disc as claimed in any preceding claim or a sample assembly as hereinbefore described.

The beneficial effects of the utility model are that:

during the use, according to the length adjustment of test tube lower disk body and the interval between the dish body of hanging up, the lower extreme of test tube inserts the support hole on the disk body through the jack on the dish body inside, makes the middle part at the test tube that hangs up the dish body, and when the upper end of test tube received axial force, the bottom non-deformable of test tube rotated the dismouting to the sample dish through will restricting, and the disk body rotated with the relative of last disk body under the restriction.

Drawings

FIG. 1 is a combination view of a sample tray and test tubes according to a first embodiment of the present invention;

fig. 2 is a schematic perspective view of a sample tray according to a first embodiment of the present invention;

fig. 3 is a cross-sectional exploded view of a second embodiment of the sample tray of the present invention;

FIG. 4 is an exploded perspective view of a third embodiment of a sample tray;

fig. 5 is a perspective cross-sectional view of a fourth embodiment of the sample tray.

In the figure: 10. a test tube; 20. a lower tray body; 21. a support hole; 22. a first limit groove; 23. an annular groove; 30. a connecting assembly; 31. sleeving parts; 311. an internally threaded bore; 32. a plug-in unit; 321. an external thread; 40. an upper tray body; 41. a jack; 42. a second limit groove; 50. the rotating member is restrained.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 and 2, the structure of the first embodiment of the sample plate is schematically shown; a sample plate comprises a lower plate body 20 which can be supported at the lower end of a test tube 10, wherein a support hole 21 is arranged on the lower plate body 20 and is used for accommodating the lower end of the test tube 10; the upper disc body 40 is connected to the axial direction of the lower disc body through the connecting assembly 30; the upper tray body 40 is provided with a jack 41 for the test tube 10 to pass through; the lower tray 20 and the upper tray 40 are preferably plastic, and the upper tray 40 is positioned right above the lower tray 20 at a certain interval to be supported near the middle of the test tube 10, and preferably, the diameter of the support hole 21 is gradually decreased from the top to the bottom.

FIG. 3 is a cross-sectional exploded view of a second embodiment of the sample tray; in order to adjust the axial support point of the upper tray 40 on the test tube 10 according to the length of the test tube 10, the length of the connecting assembly 30 is adjustable, and illustratively, the connecting assembly 30 includes a sleeve 31 and a plug 32 engaged with the sleeve 31, the sleeve 31 is fixed on one of the lower tray 20 and the upper tray 40, and the plug 32 is fixed on the other of the lower tray 20 and the upper tray 40; preferably, the sleeve 31 and the plug 32 are both rod-shaped, the sleeve 31 is provided with an internal threaded hole 311, and the plug 32 is provided with an external thread 321 matched with the internal threaded hole 311;

FIG. 4 is an exploded perspective view of a third embodiment of the sample tray; in order to avoid the problem of relative rotation between the lower plate 20 and the upper plate 40 which are assembled together, a limiting rotation member 50 is inserted at the circumferential position of the sample plate;

specifically, a first limit groove 22 matched with the cross section of the limiting rotating piece 50 is formed in the axial position of the lower disc body 20, and a second limit groove 42 matched with the cross section of the limiting rotating piece 50 is formed in the axial position of the upper disc body 40; the first limiting groove 22, the second limiting groove 42 and the limiting rotation member 50 cooperate with each other to limit the relative rotation between the lower tray 20 and the upper tray 40, and for example, the cross section of the first limiting groove 22, the second limiting groove 42 and the limiting rotation member 50 is polygonal, such as hexagonal, pentagonal, etc., and when the limiting rotation member is contacted and limited, the limiting rotation member 50 is directly ejected out and separated from the first limiting groove 22 and the second limiting groove 42.

During the use, according to the length adjustment of test tube 10 lower disk body 20 and the interval between the upper disk body 40, the lower extreme of test tube 10 inserts inside the support hole 21 on the upper disk body 20 through the jack 41 on the upper disk body 40, makes the upper disk body 40 can support the middle part at the test tube, and when the upper end of test tube received axial force, the bottom non-deformable of test tube 10 was through on will restricting the rotation piece 50 dismouting to the sample dish, restricted lower disk body 20 and the relative rotation of upper disk body 40.

FIG. 5 is a perspective cross-sectional view of a fourth embodiment of the sample tray; a sample plate comprises a lower plate body 20 which can be supported at the lower end of a test tube 10, wherein an annular groove 23 is arranged on the lower plate body 20 and is used for accommodating the lower end of the test tube 10; the upper disc body 40 is connected with the lower disc body in the axial direction through the connecting assembly 30; the upper tray body 40 is provided with a jack 41 for the test tube 10 to penetrate through, and the annular groove 23 corresponds to the jack 41; the lower tray 20 and the upper tray 40 are preferably plastic, and the upper tray 40 is positioned right above the lower tray 20 at a certain interval to be supported near the middle of the test tube 10; preferably, the annular groove 23 is of a size that decreases progressively from top to bottom to support test tubes of various diameters.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. A sample tray, comprising:

the top surface of the lower tray body is provided with a supporting part so as to support the lower end of the test tube;

the upper tray body is arranged above the lower tray body at intervals and can be supported at the middle position close to the test tube, the upper tray body is provided with a jack for the test tube to penetrate through, and the position of the jack corresponds to the position of the support hole; and

the connecting assembly is connected between the lower disc body and the upper disc body.

2. The sample tray of claim 1, wherein the support portion is a circumferential array of a plurality of support holes in the upper surface of the lower tray body.

3. The sample tray of claim 1, wherein the support is an annular groove provided on an upper surface of the lower tray body.

4. The sample tray of claim 1, wherein the connection assembly is adjustable in length to increase or decrease the spacing between the lower tray body and the upper tray body, the connection assembly including a nest and a plug that mates with the nest, the nest being secured to one of the lower tray body and the upper tray body, the plug being secured to the other of the lower tray body and the upper tray body.

5. The sample tray of claim 4, wherein the sleeve member and the connector are rod-shaped, the sleeve member has an internal threaded hole, and the connector has an external thread engaged with the internal threaded hole.

6. A sample disc as claimed in any one of claims 1 to 5, further comprising a rotation-restricting member mounted on the sample disc to restrict relative rotation of the lower and upper discs.

7. The sample disc of claim 6, wherein the lower disc body is provided with a first limiting groove at an axial position thereof, the first limiting groove being matched with the cross section of the rotation limiting member, and the upper disc body is provided with a second limiting groove at an axial position thereof, the second limiting groove being matched with the cross section of the rotation limiting member; the first limiting groove, the second limiting groove and the limiting rotating piece are matched with each other to limit the relative rotation of the lower disc body and the upper disc body.

8. A sample assembly comprising a sample tray according to any one of claims 1 to 7 having test tubes detachably mounted thereon.

9. A mass spectrometer comprising a sample disc according to any of claims 1 to 7 or a sample assembly according to claim 8.

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