CN216520353U

CN216520353U - Rack subassembly, ion channel system, mass spectrograph

Info

Publication number: CN216520353U
Application number: CN202122704515.8U
Authority: CN
Inventors: 史志强; 路斌
Original assignee: Guangzhou Mass Spectrometry Technology Co ltd
Current assignee: Guangzhou Mass Spectrometry Technology Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-05-13
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a rack assembly, an ion channel system and a mass spectrometer, wherein the rack assembly comprises a bottom frame and a pressing assembly, the pressing assembly comprises a first pressing part, the first end of the first pressing part is hinged with the bottom frame, the second end of the first pressing part is detachably connected with the bottom frame, and the first pressing part rotates by taking the first end as a fulcrum so that the second end can be opened and closed relative to the bottom frame; the first pressing and fixing part is provided with a first pressing and fixing structure, under the condition that the ion generating mechanism is arranged on the bottom frame, the second end of the first pressing and fixing part is connected with the bottom frame, the ion generating mechanism is located between the first pressing and fixing part and the bottom frame, the first pressing and fixing structure is used for pressing the side face of the ion generating mechanism to achieve installation of the ion generating mechanism, and the second end of the first pressing and fixing part is detachable from the bottom frame so as to assemble and disassemble the ion generating mechanism on the bottom frame. The utility model can be widely applied to the technical field of isotope analysis.

Description

Rack subassembly, ion channel system, mass spectrograph

Technical Field

The utility model relates to the technical field of isotope analysis, in particular to a rack assembly, an ion channel system and a mass spectrometer.

Background

The ion channel system is a core component in a mass spectrometer, is usually arranged in a vacuum cavity of the mass spectrometer and provides a special channel for ions, so that the selected ions can move and be detected according to a set path. The current common ion channel system structure generally has the problem of inconvenient disassembly and assembly.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, the utility model provides a rack assembly, an ion channel system and a mass spectrometer, and adopts the following technical scheme.

The mass spectrometer provided by the utility model comprises an ion channel system.

The ion channel system provided by the utility model comprises a rack assembly and an ion generating mechanism, wherein the ion generating mechanism is arranged in the rack assembly, and a pressing and fixing concave position is arranged on the side surface of the ion generating mechanism.

The rack assembly provided by the utility model comprises a bottom frame and a pressing assembly, wherein the bottom frame is used for placing an ion generating mechanism; the pressing and fixing assembly comprises a first pressing and fixing part, the first end of the first pressing and fixing part is hinged with the underframe, the second end of the first pressing and fixing part is detachably connected with the underframe, and the first pressing and fixing part rotates by taking the first end as a fulcrum so that the second end is opened and closed relative to the underframe; the first pressing and fixing part is provided with a first pressing and fixing structure, under the condition that the ion generating mechanism is arranged on the bottom frame, the second end of the first pressing and fixing part is connected with the bottom frame, the ion generating mechanism is positioned between the first pressing and fixing part and the bottom frame, and the first pressing and fixing structure is used for directly or indirectly pressing the side face of the ion generating mechanism.

In some embodiments of the present invention, the fastening assembly includes a quick release member disposed at the second end of the first fastening member, the quick release member is configured to be directly or indirectly connected to the chassis, the quick release member includes a quick release elastic member and a quick release engaging member, the quick release engaging member is telescopically and movably disposed at the second end of the first fastening member, and the quick release elastic member applies an acting force to the quick release engaging member to extend the quick release engaging member from the second end of the first fastening member, so that the quick release engaging member is directly or indirectly fastened to the chassis.

In some embodiments of the present invention, the second end of the first fastening member is provided with a receiving structure, the quick release elastic member is disposed in the receiving structure, the quick release engaging member is movably disposed in the receiving structure, and one end of the quick release engaging member can extend out of the receiving structure under the action of the quick release elastic member.

In some embodiments of the present invention, a quick-release guide groove is disposed on a side wall of the accommodating structure, the quick-release guide groove is disposed along a moving direction of the quick-release engaging member, a protruding portion is disposed on a side surface of the quick-release engaging member, and the protruding portion is located in the quick-release guide groove.

In some embodiments of the present invention, the first pressing structure is a first pressing member, and the first pressing member is telescopically and movably connected with the first pressing member.

In some embodiments of the utility model, the first press fastener is threadedly connected to the first press fastener member.

In some embodiments of the utility model, the rack assembly comprises a second press-fixing member provided with a second press-fixing end, the second press-fixing member being adapted to be disposed at a side of the ion generating mechanism in a state where the ion generating mechanism is disposed on the chassis, the first press-fixing structure pressing the second press-fixing member.

In some embodiments of the present invention, a pillar assembly is disposed on the bottom frame, the first pressing member is connected to the pillar assembly, the pillar assembly includes a first pillar and a second pillar, a first end of the first pressing member is hinged to the first pillar, and a second end of the first pressing member is detachably connected to the second pillar.

The embodiment of the utility model has at least the following beneficial effects: after the ion generating mechanism is placed on the bottom frame, the first pressing and fixing component is rotated to the position where the second end is connected with the bottom frame and is fixed, the first pressing and fixing structure presses the ion generating mechanism to realize the installation of the ion generating mechanism, and the second end of the first pressing and fixing component is detachable from the bottom frame so as to disassemble and assemble the ion generating mechanism on the bottom frame.

The utility model can be widely applied to the technical field of isotope analysis.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings.

Figure 1 is a block diagram of an ion channel system.

FIG. 2 is a block diagram of the carriage assembly showing a cross-sectional view of one of the hold-down assemblies.

Fig. 3 is a partial view of the area a in fig. 2.

Fig. 4 is a structural view of the second caulking part.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that if the terms "center", "middle", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., are used in an orientation or positional relationship indicated based on the drawings, it is merely for convenience of description and simplicity of description, and it is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, is not to be considered as limiting the present invention. The features defined as "first" and "second" are used to distinguish feature names rather than having a special meaning, and further, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model relates to a mass spectrometer, which is designed as a quadrupole mass spectrometer, comprising an ion channel system, which is arranged in a vacuum chamber of the mass spectrometer.

The utility model relates to an ion channel system, which comprises an ion generating mechanism, specifically, the ion generating mechanism comprises a collision cell 402 and two quadrupole rod mass analyzers 401, wherein two ends of the collision cell 402 are respectively connected with the two quadrupole rod mass analyzers 401.

It can be understood that the ion channel system comprises a frame assembly, the ion generating mechanism is mounted in the frame assembly, and the frame assembly fixes the ion generating mechanism in a manner of convenient assembly and disassembly, so that the ion generating mechanism and the frame assembly can be assembled and disassembled quickly.

Further, the side of the ion generating mechanism is provided with a pressing and fixing concave position so as to facilitate the rack assembly to position and fix the ion generating mechanism. In some examples, the plurality of press-fixing recessed positions is provided.

Other configurations and operations of the mass spectrometer and ion channel system are well known to those skilled in the art and will not be described in detail herein, and the structure of the gantry assembly will be described.

The utility model relates to a rack assembly, which comprises a bottom frame 100, wherein the bottom frame 100 is used for placing an ion generating mechanism, and the rack assembly comprises a pressing and fixing assembly, the pressing and fixing assembly is arranged on the bottom frame 100, and the pressing and fixing assembly fixes the ion generating mechanism on the bottom frame 100.

It can be understood that, in order to fix the ion generating mechanism, a plurality of pressing components are provided, and the pressing components are sequentially arranged on the bottom frame 100 at intervals to form multi-point pressing for the ion generating mechanism. With reference to the drawings, three press-fixing assemblies are provided for fixing the collision cell 402 and the two quadrupole rod mass analyzers 401, respectively.

The pressing and fixing component comprises a first pressing and fixing part 201, the first end of the first pressing and fixing part 201 is hinged to the underframe 100, and the first pressing and fixing part 201 rotates by taking the first end as a fulcrum to enable the second end to be opened and closed relative to the underframe 100, so that the ion generating mechanism is conveniently taken and placed on the underframe 100. Further, the second end of the first press-fixing member 201 is detachably connected to the bottom chassis 100, so that the first press-fixing member 201 can be easily opened on the bottom chassis 100.

As an embodiment, the bottom frame 100 is provided with a stud assembly, and the first press fastening part 201 is connected with the stud assembly, and it can be understood that the number of the stud assembly and the press fastening assembly is the same. With reference to the drawings, the pillar assembly includes a first pillar 101 and a second pillar 102, specifically, a first end of a first press-fastening part 201 is hinged to the first pillar 101, and a second end of the first press-fastening part 201 is detachably connected to the second pillar 102.

It is understood that the fastening assembly includes a quick release member disposed at the second end of the first fastening member 201, and the quick release member is used to connect with the chassis 100 directly or indirectly, so that the first fastening member 201 can be quickly connected with the chassis 100. In some examples, the quick release member provides an indirect connection to undercarriage 100 via a connection to second upright 102.

With reference to the drawings, the quick release member includes a quick release elastic member and a quick release engaging member 203, the quick release engaging member 203 is telescopically and movably disposed at the second end of the first fastening member 201, and the quick release elastic member exerts an acting force on the quick release engaging member 203 to extend the quick release engaging member 203 out of the second end of the first fastening member 201, so that the quick release engaging member 203 is directly or indirectly fastened to the chassis 100.

Specifically, the top of the second upright post 102 is provided with a clamping structure, the clamping structure is recessed on the second upright post 102, when the second end of the first pressing component 201 is connected with the second upright post 102, the quick-release clamping piece 203 is forced to retract, after the first pressing component 201 rotates in place, under the action of the quick-release elastic piece, the end of the quick-release clamping piece 203 extends out and is inserted into the clamping structure, so that the second end of the first pressing component 201 is clamped with the second upright post 102.

In some examples, the quick release elastic member is configured as a compression spring, and when the quick release engaging member 203 retracts, the quick release elastic member is compressed by force and has elastic potential energy, so as to push the quick release engaging member 203 out.

Further, the second end of the first pressing component 201 is provided with an accommodating structure, the accommodating structure is a groove or a hole structure on the first pressing component 201, the accommodating structure is arranged along the moving direction of the quick-release fastener 203, and one end of the accommodating structure extends to the second end face of the first pressing component 201 to form an opening.

With reference to the drawings, the quick release elastic member is disposed in the accommodating structure, and the quick release engaging member 203 is movably disposed in the accommodating structure. It can be understood that one end of the quick release elastic member abuts against the inner wall of the accommodating structure, and the other end abuts against the quick release engaging member 203, and under the action of the quick release elastic member, one end of the quick release engaging member 203 can extend out of the accommodating structure.

With reference to the drawings, a quick-release guide groove is formed in a side wall of the accommodating structure, the quick-release guide groove is arranged along a moving direction of the quick-release engaging member 203, and a protrusion 204 is formed on a side surface of the quick-release engaging member 203. The protrusion 204 is located in the quick release guide slot, the protrusion 204 is exposed from the quick release guide slot, and the quick release engaging member 203 can be retracted by applying a force to the protrusion 204, so as to release the engagement between the quick release engaging member 203 and the locking structure on the second upright post 102.

In some examples, the protrusion 204 is sleeved on the quick release latch 203, and the protrusion 204 protrudes toward two sides of the quick release latch 203.

It can be understood that, after the quick release elastic member and the quick release engaging member 203 are assembled in the accommodating structure, the side wall of the quick release guide groove limits the protrusion 204, so as to limit the quick release engaging member 203. In addition, when the quick release engaging member 203 moves, the protrusion 204 moves along the quick release guide slot to play a guiding role.

Of course, as an alternative, it is also possible to design the bottom chassis 100 to have two side plates, the side plates are arranged along the length direction of the bottom chassis 100, the ion generating mechanism is disposed in the space between the two side plates, the first end of the first pressing member 201 is hinged to one of the side plates, and the second end is detachably connected to the other side plate. It can be understood that the side plate is a part of the bottom frame 100, and the quick release member is clamped with the side plate, so that the quick release member is directly clamped with the bottom frame 100.

Further, the first press-fixing part 201 is provided with a first press-fixing structure 202, and specifically, the first press-fixing structure 202 is provided in the middle of the first press-fixing part 201. It can be understood that, in the case that the ion generating mechanism is disposed on the bottom chassis 100, the first pressing and fixing member 201 is rotated to a position where the second end is fixedly connected to the bottom chassis 100, and the second end of the first pressing and fixing member 201 is connected to the bottom chassis 100, at this time, the ion generating mechanism is located between the first pressing and fixing member 201 and the bottom chassis 100, and after the first pressing and fixing member 201 is directly or indirectly fixed to the bottom chassis 100, the first pressing and fixing structure 202 is used to directly or indirectly press the side surface of the ion generating mechanism, so as to fix the ion generating mechanism on the bottom chassis 100.

In some examples, referring to the drawings, the first press-fixing component 201 is configured as a T-shaped structure, wherein two opposite ends are a first end and a second end of the first press-fixing component 201, the other vertical end is a third end of the first press-fixing component 201, and the first press-fixing structure 202 is disposed at the third end of the first press-fixing component 201.

In one embodiment, the first pressing structure 202 is a first pressing member, and the first pressing member is telescopically and movably connected to the first pressing member 201, and it is understood that after the first pressing member 201 is fixed to the chassis 100, the first pressing member is moved toward the ion generating mechanism, so that the first pressing member presses the ion generating mechanism.

Of course, with respect to the first press bond structure 202, as an alternative: the first press-fastening structure 202 can also be designed to be fixedly connected with the first press-fastening part 201; alternatively, the first press-fastening structure 202 is formed integrally with the first press-fastening part 201; or, the first press-fixing part 201 is a rod-shaped structure, the first press-fixing structure 202 is a screw, a bolt or a stud, and one end of the first press-fixing structure 202 penetrates out of the side surface of the first press-fixing part 201 to form a T-shaped structure.

In some examples, the first fastening member is screwed with the first fastening member 201, a first mounting hole is formed through a side surface of the first fastening member 201, and the first fastening member is screwed with an inner wall of the first mounting hole.

It is of course to be understood that it is alternatively possible to design the first press-fitting part to perform the telescopic movement with a spring structure, in particular, the spring structure is provided as a compression spring.

Further, the rack assembly includes a second press-fixing member 300, in a state where the ion generating mechanism is placed on the base frame 100, the second press-fixing member 300 is configured to be disposed at a side of the ion generating mechanism, and the first press-fixing structure 202 presses the second press-fixing member 300, thereby fixing the ion generating mechanism.

It is understood that the first pressing structure 202 can be directly pressed against the side of the ion generating mechanism, or can be indirectly pressed against the ion generating mechanism through the second pressing member 300. With reference to the drawings, the number of the second fixing members 300 is two, the two second fixing members 300 are respectively disposed at the sides of the two quadrupole mass analyzers 401, and the first fixing structure 202 for fixing the collision cell 402 directly presses the side of the collision cell 402.

In the ion generating mechanism, the side surface of the quadrupole mass analyzer 401 and the side surface of the collision cell 402 are respectively provided with a pressing and fixing concave position, and the pressing and fixing concave position on the collision cell 402 is supported by the first pressing and fixing structure 202. It will be appreciated that the second clamping member 300 is provided with a second clamping end 301, the second clamping end 301 being for clamping the ion generating mechanism, in particular the second clamping end 301 being against a clamping recess on the quadrupole mass analyser 401. With reference to the drawings, the second pressing end 301 is provided as a protruding structure on the second pressing member 300.

With reference to the drawings, the quadrupole mass analyzer 401 includes two quadrupole rod mounts, and the sides of the quadrupole rod mounts are provided with press-fixing concave positions, it can be understood that the lower sides of the two ends of the second press-fixing member 300 are respectively provided with a second press-fixing end 301, and the first press-fixing structure 202 presses the upper side of the middle of the second press-fixing member 300.

Further, in order to stabilize the position of the ion generating mechanism on the base frame 100, a plurality of support members 103 are provided on the base frame 100, the support members 103 are protrudingly provided on the base frame 100, and the support members 103 are paired two by two so as to support the arc-shaped sides of the quadrupole mass analyzer 401 and the collision cell 402.

With regard to the number of second press-fastening parts 300, it is alternatively provided that: the number of the second pressing components 300 is the same as that of the pressing components, and each first pressing component 201 presses the ion generating mechanism through the corresponding second pressing component 300; alternatively, the second pressing member 300 is provided in a long length structure, and each first pressing member 201 presses the second pressing member 300 at the same time, and the second pressing member 300 presses the ion generating mechanism.

In the description herein, references to the terms "one embodiment," "some examples," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like, if any, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A rack assembly, characterized by: comprises that

A chassis (100), the chassis (100) being for placement of an ion generating mechanism;

the press fixing component comprises a first press fixing part (201), the first end of the first press fixing part (201) is hinged with the underframe (100), the second end of the first press fixing part (201) is detachably connected with the underframe (100), and the first press fixing part (201) rotates by taking the first end as a fulcrum so that the second end is opened and closed relative to the underframe (100);

the first pressing and fixing component (201) is provided with a first pressing and fixing structure (202), under the condition that the ion generating mechanism is arranged on the bottom frame (100), the second end of the first pressing and fixing component (201) is connected with the bottom frame (100), the ion generating mechanism is located between the first pressing and fixing component (201) and the bottom frame (100), and the first pressing and fixing structure (202) is used for directly or indirectly pressing the side face of the ion generating mechanism.

2. The rack assembly of claim 1, wherein: the pressure is fixed the subassembly and is included quick detach part, quick detach part sets up the second end of first pressure solid part (201), quick detach part be used for with chassis (100) are directly or indirectly connected, quick detach part includes quick detach elastic component and quick detach fastener (203), quick detach fastener (203) is set up with scalable removal the second end of first pressure solid part (201), quick detach elastic component is right quick detach fastener (203) are applyed the effort so that quick detach fastener (203) are in the second end of first pressure solid part (201) stretches out, so that quick detach fastener (203) direct or indirect with chassis (100) joint.

3. The rack assembly of claim 2, wherein: the second end of the first pressing and fixing part (201) is provided with an accommodating structure, the quick-release elastic piece is arranged in the accommodating structure, the quick-release clamping piece (203) is movably arranged in the accommodating structure, and one end of the quick-release clamping piece (203) can extend out of the accommodating structure under the action of the quick-release elastic piece.

4. The rack assembly of claim 3, wherein: the side wall of the containing structure is provided with a quick-release guide groove, the quick-release guide groove is arranged along the moving direction of the quick-release clamping piece (203), a protruding portion (204) is arranged on the side face of the quick-release clamping piece (203), and the protruding portion (204) is located in the quick-release guide groove.

5. The rack assembly of any of claims 1 to 4, wherein: the first press structure (202) is configured as a first press part, and the first press part is connected with the first press part (201) in a telescopic and movable manner.

6. The rack assembly of claim 5, wherein: the first press-fixing piece is in threaded connection with the first press-fixing part (201).

7. The rack assembly of claim 5, wherein: the rack assembly comprises a second pressing and fixing part (300), the second pressing and fixing part (300) is provided with a second pressing and fixing end (301), under the condition that the ion generating mechanism is arranged on the bottom frame (100), the second pressing and fixing part (300) is arranged on the side face of the ion generating mechanism, and the first pressing and fixing structure (202) presses the second pressing and fixing part (300).

8. The rack assembly of claim 1 or 2, wherein: be provided with the stand subassembly on chassis (100), first pressure is solid parts (201) with the stand subassembly is connected, the stand subassembly includes first stand (101) and second stand (102), the first end of first pressure is solid parts (201) with first stand (101) are articulated, the second end of first pressure is solid parts (201) with second stand (102) detachably connects.

9. An ion channel system, comprising: comprises that

The rack assembly of any one of claims 1 to 8;

an ion generating mechanism mounted in the rack assembly;

wherein, the side of the ion generating mechanism is provided with a pressing and fixing concave position.

10. A mass spectrometer, characterized by: comprising the ion channel system of claim 9.