CN213845219U - A connection structure and mass spectrograph for protecting mass spectrograph - Google Patents
A connection structure and mass spectrograph for protecting mass spectrograph Download PDFInfo
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- CN213845219U CN213845219U CN202022051906.XU CN202022051906U CN213845219U CN 213845219 U CN213845219 U CN 213845219U CN 202022051906 U CN202022051906 U CN 202022051906U CN 213845219 U CN213845219 U CN 213845219U
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Abstract
The utility model relates to a microbial detection, concretely relates to a connection structure and mass spectrograph for protecting mass spectrograph, connection structure includes the body, the body is the insulator, the connecting hole has been seted up on the terminal surface of body, be equipped with the screw thread in the connecting hole, it is protruding to have seted up a plurality of annular or spiral on the outer wall of body. The utility model discloses can reduce the risk that creepage phenomenon brought by a wide margin.
Description
Technical Field
The utility model relates to a microbial detection, concretely relates to connection structure and mass spectrograph for protecting mass spectrograph.
Background
Mass spectrometers have become a powerful tool in recent years for the detection and identification of polypeptides, proteins, polysaccharides, nucleotides, glycoproteins, polymers, and a variety of synthetic polymers.
The principle of the mass spectrometer is as follows: when laser with certain intensity is used for irradiating a cocrystallized film formed by a sample and a matrix, the matrix absorbs energy from the laser and transmits the energy to the sample, charge transfer occurs between the matrix and the sample to ionize the sample to generate charged particles, the ionized sample is accelerated to enter a flight pipeline under the action of an electric field and finally reaches a detector, different charged particles are distinguished according to different flight time or offset distance of the sample in the flight pipeline, and different microorganisms are distinguished.
The acceleration process of the charged particles generated after ionization of the sample needs to be carried out in a high-voltage electric field, in order to ensure the safety performance of the mass spectrometer under high voltage, and meanwhile, considering that the inside of the mass spectrometer needs to be in a vacuum state, the connection structure inside the mass spectrometer has higher requirements.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connection structure and mass spectrograph for protecting the mass spectrograph to the security performance of its under high-pressure state is guaranteed to the protection mass spectrograph.
In order to solve the technical problem, the utility model provides a following technical means:
the utility model provides a connection structure for protecting mass spectrograph, includes the body, the body is the insulator, the connecting hole has been seted up on the terminal surface of body, be equipped with the screw thread in the connecting hole, a plurality of annular are protruding or spiral are protruding seted up on the outer wall of body.
The connecting hole is a through hole, and the threads are positioned at two ends of the through hole.
The thread structure comprises two sections of threads, wherein the two sections of threads are respectively positioned at two ends of the through hole.
The outer wall of the body is further provided with an air hole, and the air hole is communicated to the middle part of the connecting hole.
The connecting hole is a blind hole.
The connecting holes are respectively formed in the two end faces of the body.
The outer wall of the body is further provided with an air hole, and the air hole is communicated to the bottom of the connecting hole.
The utility model provides a mass spectrometer, includes first plate electrode and second plate electrode, first plate electrode is installed in the frame, still includes the utility model discloses a connection structure, connection structure's one end is installed on first plate electrode or in the frame, and the other end is installed on the second plate electrode.
The first electrode plate or the frame is connected with the connecting structure through a screw, and/or the second electrode plate is connected with the connecting structure through a screw, wherein the screw is an insulator.
The beneficial effects of the utility model reside in that:
(1) because the connecting holes are arranged on the end face and are provided with a plurality of annular bulges or spiral bulges, the creepage distance on the outer wall of the body can be greatly increased, and the safety performance of the instrument is improved;
(2) the plurality of annular bulges or spiral bulges are provided with blind areas where dust is not easy to attach, so that the difficulty of moving electrons can be increased; moreover, most of the connection structures of the utility model are applied in vacuum, wherein, the dust is less, and the effect of the advantage is obviously enlarged;
(3) due to the adoption of threaded connection, the processing is simple, the connection is convenient, and the cost is lower; the shape of the screw thread enables the creepage distance inside the connecting hole to be greatly increased;
(4) the air hole can communicate the inside of the mounting hole with the external environment of the connecting structure, so that the phenomenon of air accumulation is avoided, and the vacuum degree in the mass spectrometer is further ensured;
(5) the utility model discloses a connection structure can be with a plate electrode direct positioning to another plate electrode on, the location benchmark of a plate electrode is another plate electrode promptly, is favorable to improving the relative positioning precision between two plate electrodes to influence the precision of electric field, be favorable to the detection accuracy of mass spectrograph.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a sectional view in the direction of the arrow in FIG. 2 of embodiment 1;
FIG. 4 is a sectional view of embodiment 2 in the direction of the arrows in FIG. 2.
The reference numbers in the figures denote: 1-body, 2-annular bulge, 3-through hole and 4-blind hole.
Detailed Description
Example 1
As shown in fig. 1, fig. 2, and fig. 3, a connection structure for protecting a mass spectrometer is characterized in that: including body 1, body 1 is the insulator, has seted up the connecting hole on body 1's the terminal surface, is equipped with the screw thread in the connecting hole, has seted up a plurality of annular protrusion 2 or spiral arch on the outer wall of body.
The connecting hole is a through hole 3, and the threads are positioned at two ends of the through hole 3.
Comprises two sections of threads which are respectively positioned at two ends of the through hole 3.
The outer wall of the body 1 is also provided with an air hole (not shown in the figure), and the air hole is communicated to the middle part in the connecting hole.
The principle of the utility model lies in: because the inside of the mass spectrometer is in a high-voltage environment, an insulated connecting structure is adopted to avoid the interference to an electric field and the phenomenon of short circuit. However, under high voltage environment, creepage may occur on the surface of the insulator, which may cause short circuit and cause potential safety hazard. The utility model provides a connection structure is because the connecting hole setting is on the terminal surface, promptly, if produce the creepage phenomenon between two positions through connection structure connection, the electron must climb to the other end from connection structure body 1's one end.
Because it is protruding to have seted up a plurality of annular 2 or spiral on the outer wall of connection structure body 1, the creepage distance on the homoenergetic increase body 1 outer wall by a wide margin to improve the security performance of instrument. In addition, an important factor affecting the creepage phenomenon is the accumulation of dust on the surface of the object, and if the surface of the object is stained with dust, the creepage phenomenon is easy to occur. Because the connecting structure is provided with the annular bulge 2 or the spiral bulge, a blind area where dust is not easy to attach is formed on the connecting structure, and the difficulty of moving electrons can be increased; because the utility model discloses a connection structure is applied to in the vacuum mostly, and wherein the dust is less, and the effect of this advantage is obviously enlargied.
Simultaneously, the mode that adopts threaded connection to be connected with two benefits: 1. the threaded connection is a common connection method, and has the advantages of simple processing, convenient connection and lower cost; 2. if the connecting hole is a through hole, the processing is simpler, but the inner wall of the connecting hole is also likely to generate creepage phenomenon, and the creepage distance in the connecting hole is also greatly increased due to the shape of the screw thread.
Two sections of threads are arranged in the connecting hole, so that screws arranged at two ends of the connecting hole cannot interfere with each other.
Because the inside vacuum requirement of mass spectrograph is very high, during the installation, probably backlog air in the mounting hole, in case there is the phenomenon of backlog air, during the evacuation, this part air is difficult for discharging, and can follow the slow hourglass of mounting hole, produces very big influence to the inside vacuum of mass spectrograph to the influence time is very long, and the gas pocket can be with the inside external environment intercommunication with connection structure of mounting hole, avoids the phenomenon of backlog air. The air hole is positioned at the bottom of the middle part … … of the connecting hole, so that the air hole can be prevented from being blocked by a screw, and smoothness of the air hole is guaranteed.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 only in that the connection hole is not a through hole but a blind hole 4. Comprises two connecting holes which are respectively arranged on two end surfaces of the body 1. Two air holes (not shown in the figure) are further formed in the outer wall of the body 1 and are respectively communicated to the bottoms of the two connecting holes.
This embodiment can avoid the inside creepage phenomenon of connecting hole completely, but the processing of blind hole is comparatively complicated with the through-hole.
Example 3
The utility model provides a mass spectrometer, includes first plate electrode and second plate electrode, and first plate electrode is installed in the frame, still includes the utility model discloses a connection structure, connection structure's one end is installed on first plate electrode or in the frame, and the other end is installed on the second plate electrode.
The first electrode plate or the frame is connected with the connecting structure through a screw, and/or the second electrode plate is connected with the connecting structure through a screw, and the screw is an insulator.
Have very big voltage difference between the plate electrode of mass spectrograph, must consider the creepage phenomenon, use the utility model discloses a connection structure separates two plate electrodes, can increase creepage distance by a wide margin. Meanwhile, if one of the electrode plates is directly installed on the other electrode plate through the connecting structure, namely the positioning reference of one electrode plate is the other electrode plate, the improvement of the relative positioning precision between the two electrode plates is facilitated. Because an electric field is generated between the two electrode plates, the relative positioning precision between the two electrode plates can directly influence the precision of the electric field, and the connection mode is favorable for the detection accuracy of the mass spectrometer.
Claims (9)
1. A connection structure for protecting a mass spectrometer, comprising a body, characterized in that: the body is an insulator, a connecting hole is formed in the end face of the body, threads are arranged in the connecting hole, and a plurality of annular bulges or spiral bulges are formed in the outer wall of the body.
2. The connection structure for protecting a mass spectrometer as claimed in claim 1, wherein: the connecting hole is a through hole, and the threads are positioned at two ends of the through hole.
3. The connection structure for protecting a mass spectrometer as claimed in claim 1, wherein: the thread structure comprises two sections of threads, wherein the two sections of threads are respectively positioned at two ends of the through hole.
4. The connection structure for protecting a mass spectrometer as claimed in claim 1, wherein: the outer wall of the body is further provided with an air hole, and the air hole is communicated to the middle part of the connecting hole.
5. The connection structure for protecting a mass spectrometer as claimed in claim 1, wherein: the connecting hole is a blind hole.
6. The connection structure for protecting a mass spectrometer as claimed in claim 1, wherein: the connecting holes are respectively formed in the two end faces of the body.
7. The connection structure for protecting a mass spectrometer as claimed in claim 1, wherein: the outer wall of the body is further provided with an air hole, and the air hole is communicated to the bottom of the connecting hole.
8. The utility model provides a mass spectrometer, includes first electrode board and second electrode board, its characterized in that: the first electrode plate is mounted on a frame, and further comprising a connecting structure according to any one of claims 1 to 7, one end of the connecting structure being mounted on the first electrode plate or the frame, and the other end being mounted on the second electrode plate.
9. The mass spectrometer of claim 8, wherein: the first electrode plate or the frame is connected with the connecting structure through a screw, and/or the second electrode plate is connected with the connecting structure through a screw, wherein the screw is an insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022051906.XU CN213845219U (en) | 2020-09-18 | 2020-09-18 | A connection structure and mass spectrograph for protecting mass spectrograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022051906.XU CN213845219U (en) | 2020-09-18 | 2020-09-18 | A connection structure and mass spectrograph for protecting mass spectrograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213845219U true CN213845219U (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022051906.XU Active CN213845219U (en) | 2020-09-18 | 2020-09-18 | A connection structure and mass spectrograph for protecting mass spectrograph |
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| Country | Link |
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| CN (1) | CN213845219U (en) |
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2020
- 2020-09-18 CN CN202022051906.XU patent/CN213845219U/en active Active
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Address after: 400037 1st-4th floor, building 30, No.6 Taikang Road, Zone C, Jianqiao Industrial Park, Dadukou District, Chongqing Patentee after: Zhongyuan Huiji Biotechnology Co.,Ltd. Address before: 400037 1st-4th floor, building 30, No.6 Taikang Road, Zone C, Jianqiao Industrial Park, Dadukou District, Chongqing Patentee before: CHONGQING ZHONGYUAN HUIJI BIOTECHNOLOGY Co.,Ltd. |
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