CN220324407U - Multipole rod fixing assembly and analyzer device - Google Patents
Multipole rod fixing assembly and analyzer device Download PDFInfo
- Publication number
- CN220324407U CN220324407U CN202321426035.2U CN202321426035U CN220324407U CN 220324407 U CN220324407 U CN 220324407U CN 202321426035 U CN202321426035 U CN 202321426035U CN 220324407 U CN220324407 U CN 220324407U
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- positioning
- gland plate
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- 230000005405 multipole Effects 0.000 title claims abstract description 92
- 210000004907 gland Anatomy 0.000 claims abstract description 71
- 238000007789 sealing Methods 0.000 claims description 39
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 9
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004252 FT/ICR mass spectrometry Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The utility model discloses a multipole rod fixing assembly and an analyzer device, wherein the multipole rod fixing assembly comprises: multipole rod with fixed sleeve; a fixture, the fixture comprising: a multipole rod fixing seat provided with a first groove; the multipole rod upper gland is provided with a second groove, the first groove and the second groove form a fixed groove together, and the fixed sleeve is arranged in the fixed groove; the multipole rod fixing seat is detachably connected with the multipole rod upper gland through a connecting piece, and the fixing sleeve is positioned with the multipole rod fixing seat and/or the multipole rod upper gland through a positioning piece. According to the embodiment of the utility model, the multipole rod fixing seat and the multipole rod upper gland are arranged, the first groove and the second groove are respectively arranged, the multipole rod is jointly installed by utilizing the first groove and the second groove, the positioning piece is utilized for positioning, the detachable connection is realized by utilizing the connecting piece, the multipole rod fixing assembly is more conveniently disassembled and assembled, and the consistency adjustment is carried out on the multipole rod fixing assembly.
Description
Technical Field
The utility model relates to the technical field of mass analysis instruments, in particular to a multipole rod fixing assembly and an analyzer device.
Background
Mass spectrometers, also called mass spectrometers, are instruments for separating and detecting different isotopes, i.e. instruments of the type which separate and detect the composition of matter according to the mass differences of atoms, molecules or fragments of molecules of the matter, according to the principle that charged particles are able to deflect in an electromagnetic field. Mass spectrometers are classified into quadrupole mass spectrometers, time-of-flight mass spectrometers, magnetic mass spectrometers, fourier transform ion cyclotron resonance mass spectrometers, etc., according to the type of mass analyzer. The multi-quadrupole mass analyzer is a key component of the multi-quadrupole mass spectrometer, and consists of a mass analyzer, a collision reaction cell, an ion detector and the like. In the prior art, the multiple quadrupole rods are fixed by directly leaning on the conical positioning pins, and then pressing the quadrupole rods on the conical positioning pins through the tension springs, so that the positioning of the quadrupole rods is finished, the conical positioning pins cannot be conveniently adjusted in a positioning mode, the multiple quadrupole rods cannot be quickly and integrally assembled and disassembled, and the consistency adjustment is difficult.
Disclosure of Invention
The utility model aims to provide a multipole rod fixing assembly and an analyzer device, and aims to solve the problems that a multiple four-level rod positioning mode in the prior art cannot realize consistency adjustment and cannot be quickly disassembled and assembled.
The present utility model provides a multipole rod securing assembly and an analyzer device, comprising: the multi-pole is provided with a fixed sleeve;
a fixture, wherein the fixture comprises:
the multi-pole fixing seat is provided with a first groove;
the multi-pole upper gland is provided with a second groove, the first groove and the second groove of the shell jointly form a fixed groove, and the fixed sleeve is arranged in the fixed groove;
the multipole rod fixing seat and the multipole rod upper gland are detachably connected through a connecting piece, and the fixing sleeve and the multipole rod fixing seat and/or the multipole rod upper gland are/is positioned through a positioning piece.
Optionally, the fixing sleeve is provided in plurality, and the fixing device is provided in plurality correspondingly.
Optionally, the fixed sleeve is a circular fixed sleeve, and the first groove and the second groove are semicircular grooves with adaptive sizes.
Optionally, a positioning hole is formed in the outer surface of the fixing sleeve, and a positioning shaft corresponding to the positioning hole is arranged on the outer surface of the first groove and/or the second groove;
or, the outer surface of the fixed sleeve is provided with a positioning shaft, and the outer surface of the first groove and/or the second groove is provided with a positioning hole corresponding to the positioning shaft.
The present utility model also provides an analyzer device comprising:
the multipole rod fixing assembly is arranged on the base;
the collision cell assembly is arranged on the base;
the sealing component is arranged at one end of the base;
the tail cover plate is arranged at the other end of the base.
Optionally, the seal assembly includes: the device comprises a front gland plate, a rear gland plate and a first sealing ring, wherein the first sealing ring is arranged between the rear gland plate and the front gland plate.
Optionally, the opposite sides of the peripheral edges of the rear gland plate and the front gland plate are respectively provided with a bevel edge sealing surface.
Optionally, the seal assembly further comprises: the guide sliding sleeve is connected to the rear gland plate and/or the front gland plate, and the outer diameter of the guide sliding sleeve is larger than that of the front gland plate and the rear gland plate.
Optionally, the front gland plate is connected with the rear gland plate through threads.
Optionally, positioning structures are arranged between the base and the multipole rod fixing seat, between the base and the collision cell assembly, and between the base and the sealing assembly.
Optionally, a pull rod is connected between the tail cover plate and the sealing assembly.
Optionally, a second sealing ring is disposed on a side of the tail cover plate facing the sealing assembly.
The utility model discloses a multipole rod fixing assembly and an analyzer device, wherein a multipole rod fixing seat and a multipole rod upper gland are arranged, a first groove and a second groove are respectively formed, the multipole rod is jointly installed by the first groove and the second groove, and is positioned by a positioning piece and detachably connected by a connecting piece, so that the multipole rod fixing assembly is more conveniently disassembled and assembled, and the consistency of the multipole rod fixing assembly is adjusted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a multipole rod securing assembly according to the present utility model;
FIG. 2 is a schematic view of an exploded view of the multipole rod securing assembly of the present utility model;
FIG. 3 is a schematic diagram of an analyzer device according to the present utility model;
FIG. 4 is a schematic view of a seal assembly according to the present utility model;
FIG. 5 is a schematic view of an exploded construction of an analyzer device according to the present utility model;
fig. 6 is an enlarged schematic view of a portion a in fig. 4.
The marks in the figure are as follows:
10. a multipole rod securing assembly; 11. a multipole rod; 111. a fixed sleeve; 1111. positioning holes; 12. a fixing device; 121. a multipole rod fixing seat; 1211. a first groove; 12111. positioning a shaft; 122. a gland is arranged on the multipole rod; 1221. a second groove; 20. an analyzer device; 21. a base; 211. a positioning pin; 212. positioning pins; 22. a crash cell assembly; 23. a seal assembly; 231. a front gland plate; 2311. bevel edge sealing surface of front cover plate; 232. a rear gland plate; 2321. a rear gland plate beveled sealing surface; 233. a first seal ring; 234. a guide sliding sleeve; 24. a tail cover plate; 241. a second seal ring; 25. and (5) a pull rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. 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.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1 and 2, an embodiment of the present utility model provides a multipole rod fixing assembly, wherein the multipole rod fixing assembly 10 includes: a multipole rod 11 provided with a fixing sleeve 111 and a fixing device 12. Wherein the fixture 12 comprises: a multipole rod fixing base 121 provided with a first groove 1211, a multipole rod upper gland 122 provided with a second groove 1221; the first groove 1211 and the second groove 1221 are disposed opposite to each other to form a fixing groove, and the fixing sleeve 111 is disposed in the fixing groove; the multipole rod fixing seat 121 and the multipole rod upper gland 122 are detachably connected through a connecting piece. The positioning manner of the fixing sleeve 111 can be the following ways: the fixing sleeve 111 and the multipole rod fixing seat 121 are positioned by positioning pieces, or the fixing sleeve 111 and the multipole rod upper gland 122 are positioned by positioning pieces, or the fixing sleeve 111 and the multipole rod fixing seat 121 and the multipole rod upper gland 122 are positioned by positioning pieces at the same time. According to the embodiment of the utility model, the fixing sleeve 111 is arranged on the multipole rod 11, the fixing sleeve 111, the multipole rod fixing seat 121 and/or the multipole rod upper gland 122 are positioned through the positioning piece, the positioning piece is utilized for positioning, the detachable connection is realized through the connecting piece, the multipole rod fixing assembly 10 is more conveniently disassembled and assembled, and the consistency adjustment is carried out on the multipole rod fixing assembly 10. The multipole rod 11 referred to in the various embodiments of the present utility model may be a multiple quadrupole rod.
Further, a plurality of fixing sleeves 111 are provided, a plurality of fixing devices 12 are correspondingly provided, and for example, 2 fixing sleeves 111 are provided, 2 fixing devices 12 are correspondingly provided, the number of the fixing devices 12 is adaptively adjusted according to the number of the fixing sleeves 111, and the number of the fixing sleeves 111 is adjusted according to the requirement of the multipole rod.
In an embodiment, the fixing sleeve 111 may be a circular fixing sleeve, the first groove 1211 and the second groove 1221 are semi-circular grooves with matched sizes, and the openings of the two semi-circular grooves are opposite, so that when the multipole rod fixing seat 121 is attached to the multipole rod upper gland 122, the two semi-circular grooves form a complete circular hole, and the fixing sleeve 111 is installed more stably. Of course, in other application scenarios, the shape of the groove can be adjusted according to needs, for example, the groove is set to be a 1/4 circular groove, or the fixing sleeve is set to be other shapes, and the shapes of the grooves are adaptively adjusted, for example, the grooves are all set to be elliptical, and the like.
In an embodiment, the outer surface of the fixing sleeve 111 is provided with a positioning hole 1111, the outer surface of the first groove 1211 is provided with a positioning shaft 12111 corresponding to the position of the positioning hole 1111, or the outer surface of the second groove 1221 is provided with a positioning shaft corresponding to the position of the positioning hole 1111. The positioning shaft 12111 is a positioning member, the positioning shaft 12111 may be a pin structure, and when the positioning shaft 12111 is installed, the positioning member may be disposed on the fixing device 12 instead of directly making the multipole rod 11 lean against the positioning member on the outer surfaces of the first groove 1211 and the second groove 1221, so that the adjustment of the multipole rod fixing assembly 10 is facilitated, thereby achieving the purpose of consistency adjustment.
Alternatively, a positioning shaft may be disposed on the outer surface of the fixing sleeve 111, and a positioning hole corresponding to the position of the positioning shaft may be disposed on the outer surface of the first groove 1211, or a positioning hole corresponding to the position of the positioning shaft may be disposed on the outer surface of the second groove 1221, and/or a positioning hole corresponding to the positioning shaft may be disposed on the outer surface of the second groove.
In a specific embodiment, a positioning hole may be formed in the first groove 1211 on the multipole rod fixing seat 121, the positioning shaft 12111 is inserted into the positioning hole of the first groove 1211, then the multipole rod 11 is placed into the first groove 1211 on the multipole rod fixing seat 121, the positioning hole 1111 on the fixing sleeve 111 is aligned with the positioning shaft 12111 when placed in, and then the multipole rod upper gland 122 is pressed against the multipole rod 11, so that the fixing sleeve is tightly attached to the first groove 1211 and the second groove 1221, the multipole rod fixing seat 121 and the multipole rod upper gland 122 may be fixed by screws, or may be fixed by a fastening structure matched with each other between every two, so as to realize detachable connection, and thus, the positioning of the XYZ orientation of the multipole rod 11 is completed.
As shown in fig. 3, the present utility model also proposes an analyzer device, wherein the analyzer device 20 comprises: a base 21, the multipole rod fixing assembly 10 being provided on the base 21; a collision cell assembly 22, the collision cell assembly 22 being disposed on the base 21; the seal assembly 23, the seal assembly 23 is set up in one end of the base 21; and a tail cover plate 24, wherein the tail cover plate 24 is arranged at the other end of the base 21. The analyzer device 20 allows for easier removal and consistent adjustment of the multipole rod retaining assembly 10.
As shown in fig. 4, the seal assembly 23 includes: the front gland plate 231, the rear gland plate 232 and the first seal ring 233, the first seal ring 233 being provided between the rear gland plate 232 and the front gland plate 231. When the front gland plate 231 and the rear gland plate 232 are slowly locked, the front gland plate and the rear gland plate squeeze the first sealing ring 233, the first sealing ring 233 is expanded to be in contact with the inner surface of the vacuum cavity, and the vacuum cavity is rapidly partitioned into two closed spaces, so that vacuum sealing is completed.
In an embodiment, the peripheral edge side of the front gland plate 231 is provided with a front gland plate bevel edge sealing surface 2311, and the peripheral edge side of the rear gland plate 232 is provided with a rear gland plate bevel edge sealing surface 2321, and the front gland plate and the rear gland plate are respectively provided with a bevel edge sealing surface, so that when the front gland plate 231 and the rear gland plate 232 are locked, the first sealing ring 233 has enough expanding space, so that the contact area between the first sealing ring 233 and the inner wall of the vacuum cavity is larger, and the sealing effect is better achieved by being more tightly attached to the inner wall of the vacuum cavity. It is understood that the sealing surface may also be a sealing surface of other shape, such as a concave arc, a convex arc, a stepped or zigzag shape, etc. The sealing surface may be provided only on one of the back gland plate 232 and the front gland plate 231, and the sealing effect may be improved. The back gland 232 and the front gland 231 may be threadably secured or may be secured in other ways.
Further, the seal assembly 23 further includes a guiding sliding sleeve 234, the guiding sliding sleeve 234 is fixedly connected to the front gland plate 231 through threads, or the guiding sliding sleeve 234 is fixedly connected to the rear gland plate 232 through threads, the whole seal assembly 23 slides by means of the guiding sliding sleeve 234, the outer diameter of the guiding sliding sleeve 234 is larger than the outer diameters of the front gland plate 231 and the rear gland plate 232, and thus the guiding sliding sleeve 234 is convenient to slide the whole seal assembly 23. But the outer diameter of the guide sleeve 234 should be less than or equal to the inner diameter of the vacuum chamber so that it can slide within the vacuum chamber.
As shown in fig. 5, positioning structures are disposed between the base 21 and the multipole rod fixing base 121, between the base 21 and the collision cell assembly 22, and between the base 21 and the sealing assembly 23, and the positioning structures may include positioning pins 211 disposed on the base 21 and positioning pins 212 on sides of the base 21, and the multipole rod fixing base 121, the collision cell assembly 22, and the sealing assembly 23 are provided with corresponding positioning pin holes, so that the multipole rod fixing assembly 10, the collision cell assembly 22, and the sealing assembly 23 can be maintained on the same axis by reasonably arranging the positioning pins 211, the positioning pins 212, and the positioning pin holes.
Wherein, connecting pull rod 25 between tail cover 24 and seal assembly 23, can realize still further location and fixed through pull rod 25. One end of the pull rod 25 can be connected to the tail cover plate 24 in a threaded connection mode, and the other end of the pull rod 25 can be provided with a pin hole and is fixed with the sealing assembly 23 in a positioning mode through a pin structure.
The side of the tail cover plate 24 facing the sealing assembly 23 is provided with a second sealing ring 241. In a specific embodiment, a sealing groove is formed in the tail cover plate 24, the second sealing ring 241 is placed in the sealing groove, the tail cover plate 24 is connected with the base 21 through a screw, and sealing on one side of the vacuum cavity can be achieved by using the second sealing ring 241.
The seal assembly of this embodiment may be a Q0 rod assembly.
The analyzer device of the present embodiment may be provided with a plurality of multipole rod fixing assemblies 10, for example, 2 multipole rod fixing assemblies 10, respectively located between the collision cell assemblies 22, and by the above-described positioning structure, the seal assembly 23, the 2 multipole rod fixing assemblies 10 and the collision cell assemblies 22 may be kept on the same axis, for example, by the above-described pin positioning method, to achieve high-precision positioning.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
It should also be noted that in this specification, relational terms such as first and second, and the like are 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. Moreover, the terms "comprise," "include," 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Claims (12)
1. A multipole rod securing assembly, comprising:
the multi-pole is provided with a fixed sleeve;
a fixture, wherein the fixture comprises:
the multi-pole fixing seat is provided with a first groove;
the multi-pole upper gland is provided with a second groove, the first groove and the second groove jointly form a fixed groove, and the fixed sleeve is arranged in the fixed groove;
the multipole rod fixing seat and the multipole rod upper gland are detachably connected through a connecting piece, and the fixing sleeve and the multipole rod fixing seat and/or the multipole rod upper gland are/is positioned through a positioning piece.
2. The multipole rod securing assembly of claim 1, wherein a plurality of said securing sleeves are provided and a plurality of said securing means are provided.
3. The multipole rod retaining assembly of claim 1, wherein the retaining sleeve is a circular retaining sleeve, and the first groove and the second groove are semi-circular grooves of adapted size.
4. The multipole rod fixing assembly of claim 1, wherein the outer surface of the fixing sleeve is provided with a positioning hole, and the outer surface of the first groove and/or the second groove is provided with a positioning shaft corresponding to the positioning hole;
or, the outer surface of the fixed sleeve is provided with a positioning shaft, and the outer surface of the first groove and/or the second groove is provided with a positioning hole corresponding to the positioning shaft.
5. An analyzer device comprising the multipole rod securing assembly of any of claims 1-4, the analyzer device further comprising:
the multipole rod fixing assembly is arranged on the base;
the collision cell assembly is arranged on the base;
the sealing component is arranged at one end of the base;
the tail cover plate is arranged at the other end of the base.
6. The analyzer device of claim 5, wherein the seal assembly comprises: the device comprises a front gland plate, a rear gland plate and a first sealing ring, wherein the first sealing ring is arranged between the rear gland plate and the front gland plate.
7. The analyzer device of claim 6, wherein the back gland plate and the front gland plate are each provided with a beveled sealing surface on opposite sides of their peripheral edges.
8. The analyzer device of claim 6, wherein the seal assembly further comprises: the guide sliding sleeve is connected to the rear gland plate and/or the front gland plate, and the outer diameter of the guide sliding sleeve is larger than that of the front gland plate and the rear gland plate.
9. The analyzer device of claim 6, wherein the front gland plate and the back gland plate are threadably connected.
10. The analyzer device of claim 5, wherein positioning structures are provided between the base and the multipole rod holder, between the base and the collision cell assembly, and between the base and the seal assembly.
11. The analyzer device of claim 5, wherein a tie rod is connected between the tail cover plate and the seal assembly.
12. The analyzer device of claim 5, wherein a side of the tail cover plate facing the seal assembly is provided with a second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426035.2U CN220324407U (en) | 2023-06-06 | 2023-06-06 | Multipole rod fixing assembly and analyzer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426035.2U CN220324407U (en) | 2023-06-06 | 2023-06-06 | Multipole rod fixing assembly and analyzer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220324407U true CN220324407U (en) | 2024-01-09 |
Family
ID=89421186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321426035.2U Active CN220324407U (en) | 2023-06-06 | 2023-06-06 | Multipole rod fixing assembly and analyzer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220324407U (en) |
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2023
- 2023-06-06 CN CN202321426035.2U patent/CN220324407U/en active Active
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