CN211676717U

CN211676717U - Noise filtering device for glow discharge mass spectrometer

Info

Publication number: CN211676717U
Application number: CN201922236960.9U
Authority: CN
Inventors: 吕灼菲; 苏耿贤; 何永强; 刘焱; 王亮
Original assignee: Suzhou Bofeike Analytical Technology Service Co ltd
Current assignee: Suzhou Bofeike Analytical Technology Service Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-10-16
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a noise filter equipment for glow discharge mass spectrograph, including device body and filter, the left side lateral wall interpolation of device body is equipped with the T template, filter fixed mounting is served in the arch of T template, be equipped with same buckle mechanism on the lateral wall of T template both ends and on the lateral wall of device body both ends respectively, the upper end fixed mounting of device body has the vacuum chamber, be equipped with the mechanism of taking a breath in the device body top surface, the intercommunication has first guide duct between the upper end of vacuum chamber and the left upper end of the mechanism of taking a breath, the upper end intercommunication on the mechanism of taking a breath right side has the second guide duct. The utility model discloses a cooperation between first notch, second notch, trapezoidal slider, first reset spring, rectangle slider and the depression bar is used, realizes dismantling the quick installation of this internal filter of device, is convenient for maintain the clearance to it, and then has improved work efficiency.

Description

Noise filtering device for glow discharge mass spectrometer

Technical Field

The utility model relates to a mass spectrograph technical field especially relates to a noise filter equipment for glow discharge mass spectrograph.

Background

Mass spectrometers, also known as mass spectrometers, are instruments for separating and detecting different isotopes, which are instruments for separating and detecting substances according to the mass difference of atoms, molecules or molecular fragments of the substances, based on the principle that charged particles can deflect in a magnetic field.

The noise filtering device of the existing glow discharge mass spectrometer can accumulate impurities after long-term filtration, and the filter in the filtering device is mounted and dismounted in the prior art, so that the filter is inconvenient to maintain and clean, the working efficiency of the filter is influenced, in addition, the purpose of removing the impurities in the device cannot be realized in the dismounting process of the existing filtering device, the workload of workers is increased, the working efficiency of the workers is further influenced, and the noise filtering device for the glow discharge mass spectrometer is provided for the reason.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings of the prior art that the dismounting is complicated, the dust can not be removed from the inside of the device, and providing a noise filtering device for glow discharge mass spectrometer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the noise filtering device for the glow discharge mass spectrometer comprises a device body and a filter, wherein a T-shaped plate is inserted into the left side wall of the device body, the filter is fixedly installed at the protruding end of the T-shaped plate, the side walls at the two ends of the T-shaped plate and the side walls at the two ends of the device body are respectively provided with the same buckling mechanism, the upper end of the device body is fixedly provided with a vacuum chamber, a ventilation mechanism is arranged in the top surface of the device body, a first air guide pipe is communicated between the upper end of the vacuum chamber and the upper end of the left side of the ventilation mechanism, the upper end of the right side of the ventilation mechanism is communicated with a second air guide pipe, the air outlet end of the second air guide pipe penetrates through the side wall of the vacuum chamber and extends to the water surface, the side wall of the right end of the ventilation mechanism is communicated, the air outlet end of the dust removal mechanism is communicated with the interior of the device body.

Preferably, the buckle mechanism comprises a first notch and a second notch, the first notch and the second notch are respectively arranged on the side wall of the device body, a trapezoidal sliding block is arranged in the first notch, a first return spring is fixedly connected between the right-angle end of the trapezoidal sliding block and the bottom of the first notch, a pressing plate is arranged in the second notch, a pressing rod is fixedly connected to the side face of one end of the pressing plate, and the free end of the pressing rod penetrates through the side wall of the second notch in a sliding mode and extends to the outside of the device body.

Preferably, the ventilation mechanism comprises a circular cavity arranged in the side wall of the upper end of the device body, the circular cavity is communicated with the first air guide pipe, the second air guide pipe, the first air guide hole and the dust removal mechanism respectively, a circular sliding block is arranged in the circular cavity in a sliding sealing mode, a second reset spring is fixedly connected between the right side of the circular sliding block and the side wall of the right end of the circular cavity, a connecting rod is fixedly connected to the left side of the circular sliding block, and the connecting rod penetrates through the side wall of the left end of the circular cavity in a sealing sliding mode and extends to the outside of the device body.

Preferably, the dust removal mechanism comprises an annular chamber arranged in the side wall of the right end of the device body, the upper end of the annular chamber is communicated with a second air guide hole communicated with the circular chamber, and the side wall of the left end of the annular chamber is communicated with a plurality of air outlets communicated with the inside of the device body.

Preferably, a dust screen is fixedly installed in the first air guide hole.

Preferably, a magnet is fixedly installed in the first air guide pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cooperation between first notch, second notch, trapezoidal slider, first reset spring, rectangle slider and the depression bar is used, realizes dismantling the quick installation of this internal filter of device, is convenient for maintain the clearance to it, and then has improved work efficiency.

2. The utility model discloses a cooperation between circular cavity, circular slider, second reset spring, connecting rod, annular cavity, second wind-guiding hole and the air outlet is used, has realized the purpose of clearing away this internal impurity of device to alleviate staff's work load, improved its work efficiency.

Drawings

Fig. 1 is a schematic front perspective structural view of a noise filtering device for a glow discharge mass spectrometer according to the present invention;

fig. 2 is a schematic side perspective view of a noise filtering device for a glow discharge mass spectrometer according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

fig. 4 is a partially enlarged view of fig. 1 at B.

In the figure: the device comprises a device body 1, a filter 2, a 3T-shaped plate, a 4-buckling mechanism, a 5-vacuum chamber, a 6-ventilation mechanism, a 7-first air guide pipe, a 8-second air guide pipe, a 9-first air guide hole, a 10-dust removal mechanism, a 11-first notch, a 12-second notch, a 13-trapezoidal sliding block, a 14-first return spring, a 15-pressing plate, a 16-pressing rod, a 17-circular chamber, a 18-circular sliding block, a 19-second return spring, a 20-connecting rod, a 21-annular chamber, a 22-second air guide hole and a 23-air outlet.

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.

Referring to fig. 1-4, a noise filtering device for a glow discharge mass spectrometer comprises a device body 1 and a filter 2, wherein a T-shaped plate 3 is inserted into the left side wall of the device body 1, the filter 2 is fixedly installed on the protruding end of the T-shaped plate 3, the side walls at two ends of the T-shaped plate 3 and the side walls at two ends of the device body 1 are respectively provided with a same buckle mechanism 4, a vacuum chamber 5 is fixedly installed at the upper end of the device body 1, and the vacuum chamber 5 is vacuumized through an external vacuumizing device. Be equipped with ventilation mechanism 6 in the device body 1 top surface, it has first guide duct 7 to communicate between the upper end of vacuum chamber 5 and the left upper end of ventilation mechanism 6, wherein, fixed mounting has magnet in the first guide duct 7, specifically, magnet can absorb the moisture content in the gas, the upper end on ventilation mechanism 6 right side communicates second guide duct 8, the end of giving vent to anger of second guide duct 8 runs through the lateral wall setting of vacuum chamber 5 and extends to the surface of water under, ventilation mechanism 6's right-hand member lateral wall communicates has the first wind-guiding hole 9 with external intercommunication, wherein, fixed mounting has the dust screen template in the first wind-guiding hole 9, specifically, the dust screen can prevent the interference of dust to whole device, be equipped with the dust removal mechanism 10 with ventilation mechanism 6 intercommunication in the device body 1 lateral wall, the end of giving vent to anger of dust removal mechanism 10 and the inside intercommunication setting of device body 1, wherein, buckle mechanism 4 is including opening the first notch 11 on device body 1 lateral wall and the second notch on the Notch 12 is equipped with trapezoidal slider 13 in the first notch 11, fixedly connected with first reset spring 14 between the right angle end of trapezoidal slider 13 and the bottom of first notch 11, is equipped with clamp plate 15 in the second notch 12, and the one end side fixedly connected with depression bar 16 of clamp plate 15, the free end of depression bar 16 slide the lateral wall setting that runs through second notch 12 and extend to the device body 1 outside.

When the filter is disassembled, the pressing rod 16 is pressed to enable the pressing rod 16 to drive the rectangular sliding block 15 to extrude the trapezoidal sliding block 13, the trapezoidal sliding block 13 is extruded into the first notch 11, then the T-shaped plate 3 and the filter 2 are drawn out, then the part of the trapezoidal sliding block 13 is extruded out of the first notch 11 by the first return spring 14, when the filter is assembled, in the process of inserting the T-shaped plate 3 and the filter 2, two trapezoidal sliding blocks 13 are extruded into the first notch 11 by two sides of the protruding end of the T-shaped plate 3, when the filter is driven to be corresponding to the first notch 11 and the second notch 12, the part of the trapezoidal sliding block 13 is extruded into the second notch 12 by the first return spring 14, the filter 2 is assembled and disassembled quickly, the maintenance and the cleaning of the filter are convenient, the working efficiency is improved, a through hole (not shown in the figure) is arranged in the T-shaped plate 3 and is used for being connected with the existing gas transmission, and a circle of rubber is arranged on the outer ring of the protruding end of the T-shaped plate 3 and used for ensuring the sealing performance of the device body 1, it should be noted that the pressure rod 16 is horizontally arranged, further, the ventilation mechanism 6 comprises a circular cavity 17 arranged in the side wall of the upper end of the device body 1, the circular cavity 17 is respectively communicated with the first air guide pipe 7, the second air guide pipe 8, the first air guide hole 9 and the dust removal mechanism 10, a circular sliding block 18 is arranged in the circular cavity 17 in a sliding sealing manner, a second reset spring 19 is fixedly connected between the right side of the circular sliding block 18 and the side wall of the right end of the circular cavity 17, a connecting rod 20 is fixedly connected to the left side of the circular sliding block 18, and the connecting rod 20 penetrates through the side wall of the left end of the circular cavity 17 in a.

The dust removing mechanism 10 comprises an annular chamber 21 arranged in the side wall of the right end of the device body 1, the upper end of the annular chamber 21 is communicated with a second air guide hole 22 communicated with the circular chamber 17, the side wall of the left end of the annular chamber 21 is communicated with a plurality of air outlets 23 communicated with the inside of the device body 1, concretely, a first one-way valve, a second one-way valve, a third one-way valve and a fourth one-way valve are respectively and fixedly arranged in the first air guide pipe 7, the second air guide pipe 8, the first air guide hole 9 and the second air guide hole 22, during the process of extracting the filter 2, the circular sliding block 18 and the connecting rod 20 are pushed to move leftwards by the second reset spring 19, and due to the arrangement of the first one-way valve, the circular sliding block 18 can extrude the pure gas in the circular chamber 17 into the second air guide hole 22 and the annular chamber 21, and finally blow out from the air outlets 23 to act on the inside of the device body 1, the purpose of clearing away impurities in the device body is achieved, the workload of workers is reduced, the working efficiency is improved, in the leftward sliding process of the circular sliding block 18, due to the fact that the second one-way valve is arranged, the external air enters the circular cavity 17 through the first air guide hole 9, in the process of inserting the filter 2, the T-shaped plate 3 can extrude the connecting rod 20, the connecting rod 20 drives the circular sliding block 18 to slide rightwards in the circular cavity 17, due to the fact that the third one-way valve is arranged, the air in the circular cavity 17 enters the vacuum cavity 5 through the second air guide pipe 8, ions in the air are filtered through water in the vacuum cavity 5, the obtained air is purified, the situation that the ions can be adsorbed on the device body 1 when the impurities are cleared next time is avoided, the detection of a mass spectrometer is affected is avoided, meanwhile, due to the fact that the fourth one-way valve is arranged, the purified air in the vacuum cavity 5 enters the left circular cavity of the circular sliding block 18 through the first air guide pipe 7 Within the chamber 17 for storage.

In the utility model, during disassembly, the press rod 16 is pressed to drive the rectangular slider 15 to extrude the trapezoidal slider 13, so that the trapezoidal slider 13 is extruded into the first notch 11, then the T-shaped plate 3 and the filter 2 are drawn out, and then the part of the trapezoidal slider 13 is extruded out of the first notch 11 by the first reset spring 14, it should be noted that the first air guide pipe 7, the second air guide pipe 8, the first air guide hole 9 and the second air guide hole 22 are respectively and fixedly provided with the first one-way valve, the second one-way valve, the third one-way valve and the fourth one-way valve, in the drawing-out process, the second reset spring 19 pushes the circular slider 18 and the connecting rod 20 to move leftwards, because the first one-way valve is arranged, the circular slider 18 can extrude the pure gas in the circular cavity 17 into the second air guide hole 22 and the annular cavity 21, and finally blows out from the air outlet 23 to act inside the device body 1, in the process that the circular sliding block 18 slides leftwards, due to the arrangement of the second one-way valve, outside air enters the circular chamber 17 through the first air guide hole 9.

During installation, in the process of inserting the T-shaped plate 3 and the filter 2, two trapezoidal sliding blocks 13 are extruded into the first notch 11 by two sides of the protruding end of the T-shaped plate 3, when the T-shaped plate is driven to correspond to the first notch 11 and the second notch 12, the trapezoidal sliding blocks 13 are partially extruded into the second notch 12 by the first return spring 14, and in the process of inserting, the T-shaped plate 3 extrudes the connecting rod 20, so that the connecting rod 20 drives the circular sliding blocks 18 to slide rightwards in the circular cavity 17, due to the arrangement of the third one-way valve, gas in the circular cavity 17 enters the vacuum cavity 5 through the second air guide pipe 8, and meanwhile, due to the arrangement of the fourth one-way valve, pure gas in the vacuum cavity 5 enters the circular cavity 17 on the left side of the circular sliding blocks 18 through the first air guide pipe 7 for storage, and the operation can be completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The noise filtering device for the glow discharge mass spectrometer comprises a device body (1) and a filter (2), and is characterized in that a T-shaped plate (3) is inserted into the left side wall of the device body (1), the filter (2) is fixedly installed on the protruding end of the T-shaped plate (3), the side walls at two ends of the T-shaped plate (3) and the side walls at two ends of the device body (1) are respectively provided with the same clamping mechanism (4), the upper end of the device body (1) is fixedly provided with a vacuum chamber (5), a ventilation mechanism (6) is arranged in the top surface of the device body (1), a first air guide pipe (7) is communicated between the upper end of the vacuum chamber (5) and the upper end of the left side of the ventilation mechanism (6), the upper end of the right side of the ventilation mechanism (6) is communicated with a second air guide pipe (8), the air outlet end of the second air guide pipe (8) penetrates through the side, the device is characterized in that a first air guide hole (9) communicated with the outside is communicated with the side wall of the right end of the air exchange mechanism (6), a dust removal mechanism (10) communicated with the air exchange mechanism (6) is arranged in the side wall of the device body (1), and an air outlet end of the dust removal mechanism (10) is communicated with the inside of the device body (1).

2. The noise filtering device for the glow discharge mass spectrometer as claimed in claim 1, wherein the latching mechanism (4) comprises a first recess (11) and a second recess (12), the first recess (11) and the second recess (12) are respectively formed in the side walls of the device body (1) and the T-shaped plate (3), a trapezoidal slider (13) is arranged in the first recess (11), a first return spring (14) is fixedly connected between the right-angled end of the trapezoidal slider (13) and the bottom of the first recess (11), a pressing plate (15) is arranged in the second recess (12), a pressing rod (16) is fixedly connected to the side surface of one end of the pressing plate (15), and the free end of the pressing rod (16) is slidably arranged through the side wall of the second recess (12) and extends to the outside of the device body (1).

3. The noise filtering device for the glow discharge mass spectrometer as claimed in claim 1, wherein the ventilation mechanism (6) comprises a circular chamber (17) arranged in the side wall of the upper end of the device body (1), the circular chamber (17) is respectively communicated with the first air guide pipe (7), the second air guide pipe (8), the first air guide hole (9) and the dust removal mechanism (10), a circular slider (18) is arranged in the circular chamber (17) in a sliding and sealing manner, a second return spring (19) is fixedly connected between the right side of the circular slider (18) and the side wall of the right end of the circular chamber (17), a connecting rod (20) is fixedly connected to the left side of the circular slider (18), and the connecting rod (20) penetrates through the side wall of the left end of the circular chamber (17) in a sealing and sliding manner and extends to the outside of the device body (1).

4. The noise filtering device for the glow discharge mass spectrometer as claimed in claim 1, wherein the dust removing mechanism (10) comprises an annular chamber (21) opened in a side wall of a right end of the device body (1), an upper end of the annular chamber (21) is communicated with a second air guiding hole (22) communicated with the circular chamber (17), and a side wall of a left end of the annular chamber (21) is communicated with a plurality of air outlets (23) communicated with the inside of the device body (1).

5. The noise filtering device for the glow discharge mass spectrometer as claimed in claim 1, wherein a dust screen is fixedly installed in the first air guiding hole (9).

6. Noise filter arrangement according to claim 1, wherein a magnet is fixedly mounted in the first air duct (7).