CN217332247U - Double-cavity structure capable of being vacuumized - Google Patents

Abstract

The utility model discloses a dual-cavity structure capable of vacuumizing, including last cavity subassembly, platform subassembly, lower cavity subassembly, evacuation subassembly, platform subassembly, evacuation subassembly is fixed under on the cavity subassembly, go up the cavity subassembly and include the casing, cavity subassembly is going up to one side fixed connection of platform subassembly, cavity subassembly is being gone up to the opposite side fixed connection of platform subassembly, evacuation subassembly fixed mounting is in one side of cavity subassembly down, evacuation subassembly includes first copper pipe constant diameter butt joint, connecting pipe, second copper pipe constant diameter butt joint, vacuum tube mounting, the beneficial effects of the utility model are that, can the evacuation improve and detect the precision, seal chamber guarantees simultaneously can external other functional components, and the main body is now: the pressure of the upper cavity and the lower cavity of the sample to be measured is the same, and the sample can be placed on the transparent film of the net ring, so that the sample measurement is convenient; transparent glass adds fluorine silicon rubber circle structure, can guarantee that the camera device is external has fine leakproofness simultaneously.

Description

Double-cavity structure capable of being vacuumized

Technical Field

The utility model relates to a vacuum pumping detection area, especially a dual-cavity structure of evacuation.

Background

When an existing X-ray fluorescence spectrometer is used for analysis, air between a detected sample and a detector can affect a detection result, and particularly when low atomic number elements are detected, the situation that data errors are large or the elements cannot be detected occurs. Therefore, a vacuum X-ray fluorescence spectrometer structure is needed.

The utility model provides a two cavities structure of evacuation improves the analytical accuracy of the sample of being surveyed, especially the sample of low atomic number element.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and designing a double-cavity structure which can be vacuumized.

The technical scheme of the utility model is that, the double-cavity structure capable of being vacuumized comprises an upper cavity component, a platform component, a lower cavity component and a vacuumizing component, wherein the platform component and the vacuumizing component are fixed on the lower cavity component, the upper cavity component comprises an upper shell, one side of the platform component is fixedly connected with the upper cavity component, the other side of the platform component is fixedly connected with the lower cavity component, the vacuumizing component is fixedly arranged on one side of the lower cavity component, the double-cavity structure is characterized in that the vacuumizing component comprises a first copper pipe equal-diameter butt joint, a connecting pipe, a second copper pipe equal-diameter butt joint and a fixing part, one end of the connecting pipe is connected on the lower cavity component through the first copper pipe equal-diameter butt joint, the other end of the connecting pipe is connected on the vacuum pipe fixing part through the second copper pipe equal-diameter butt joint, the connecting pipe is connected with the first copper pipe equal-diameter butt joint and the second copper pipe equal-diameter butt joint through the nano-tubes.

As right the utility model discloses a further explanation, cavity subassembly includes well logging base, pencil joint male end, pencil joint female end, seal chamber base, silica gel packing ring, vacuum butt joint, fluorine silicon rubber circle one, vacuum sensor, fluorine silicon rubber circle two, transparent glass, fluorine silicon rubber circle three down.

As right the utility model discloses a further explanation, fluorine silicon rubber circle card is on seal chamber base annular, the logging base through screw compression lock attach on the seal chamber base, the silica gel packing ring is placed in logging base circular slot, pencil joint public end with the rotatory padlock of pencil joint female end is connected, and fixes through the screw on the seal chamber base, the vacuum is screwed the fixed mounting through the screw thread and is in on the seal chamber, fluorine silicon rubber circle two cards are in seal chamber base annular, and pass through vacuum sensor screws to be fixed compress tightly on the seal chamber base, and fluorine silicon rubber circle tee bend is crossed transparent glass and is compressed tightly in the annular.

As a further explanation of the utility model, the platform assembly comprises a net outer ring, a net inner ring, a sealing platform fixing plate and a ventilating circular hole net.

As right the utility model discloses a further explanation, net inner circle with the net outer lane is interference fit each other card, and fixed mounting be in on the air vent of seal table fixed plate, ventilative round hole net passes through in the mounting groove of screw fixation on the seal table fixed plate.

Its beneficial effect lies in, can the evacuation improve and detect the precision, and seal chamber guarantees simultaneously that other external functional unit can, mainly embodies:

1. the pressure of the upper cavity and the lower cavity of the sample to be measured is the same, and the sample can be placed on the transparent film of the net ring, so that the sample measurement is convenient;

2. the vacuumizing device is arranged outside and is connected through a pipeline, so that the volume and weight of the instrument are reduced, and the instrument is convenient to transport, transport and use;

3. the fine meshes of the two cavities are connected, so that the pressure of the two cavities is kept consistent during air suction and air discharge; eliminating the concave-convex change of the net ring film and the position movement of the sample caused by the pressure difference;

4. the transparent glass fluorinated silicone rubber ring structure can ensure that the camera device is externally arranged and has good sealability;

5. the wiring harness connector ensures that a power supply signal can be transmitted under the sealed condition;

6. and a vacuum degree sensor is arranged outside, and the vacuum state of the cavity is monitored in real time.

Drawings

FIG. 1 is a schematic view of the split structure of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the figure, 1, an upper shell; 2. a net outer ring; 3. a net inner ring; 4. a sealing platform fixing plate; 5. a logging base; 6. a wire harness connector male end; 7. a wire harness joint female end; 8. a sealed cavity base; 9. a silica gel washer; 10. a gas permeable mesh; 11. vacuum butt joint; 12. a fluorosilicone rubber ring I; 13. the first copper pipe is in an equal-diameter butt joint; 14. a connecting pipe; 15. the second copper pipe is in an equal-diameter butt joint; 16. a vacuum tube fixing part; 17. a vacuum degree sensor; 18. a second fluorosilicone rubber ring; 19. transparent glass; 20. and a third fluorosilicone rubber ring.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a dual-cavity structure capable of being vacuumized introduces an integral assembly and a structural arrangement thereof, including an upper cavity assembly, a platform assembly, a lower cavity assembly, and a vacuuming assembly, wherein the platform assembly and the vacuuming assembly are fixed on the lower cavity assembly.

The components of the related components are described in detail next.

Go up cavity assembly and include casing 1, cavity assembly is being gone up to one side fixed connection of platform assembly, cavity assembly under the opposite side fixed connection of platform assembly, evacuation subassembly fixed mounting is in one side of cavity assembly down, and two upper and lower cavity pressure of quilt survey sample are the same, and the sample can be put on the net circle transparent film, and the sample measurement of being convenient for.

The platform subassembly includes net outer lane 2, net inner lane 3, seal station fixed plate 4, ventilative hole net 10, net inner lane 3 and net outer lane 2 are interference fit each other and block, and fixed mounting is on the air vent of seal station fixed plate 4, ventilative hole net 10 passes through in the mounting groove of screw fixation on seal station fixed plate 4, connect through the thin mesh hole of two cavities, make two cavities pressure when bleeding and gassing keep unanimous, get rid of and lead to the unsmooth change of net circle film, the sample position removes because of pressure difference.

The lower cavity assembly comprises a logging base 5, a wiring harness joint male end 6, a wiring harness joint female end 7, a sealing cavity base 8, a silica gel gasket 9, a vacuum butt joint 11, a fluorosilicone rubber ring I12, a vacuum degree sensor 17, a fluorosilicone rubber ring II 18, transparent glass 19 and a fluorosilicone rubber ring III 20. The fluorosilicone rubber ring I12 is clamped on an annular groove of the seal cavity base 8, the logging base 5 is tightly locked on the seal cavity base 8 through screws, the silica gel gasket 9 is placed in a circular groove of the logging base 5, and the male end 6 of the wire harness connector is connected with the female end 7 of the wire harness connector in a rotating locking mode and is fixed on the seal cavity base 8 through screws. The wiring harness connector is arranged to ensure that power signals can be transmitted under the sealing condition. The vacuum butt joint 11 is fixedly installed on the sealed cavity body in a screwed mode through threads, the fluorosilicone rubber ring II 18 is clamped in an annular groove of the sealed cavity body base 8 and is fixedly screwed on the sealed cavity body base 8 through the vacuum degree sensor 17 to be compressed, and the vacuum state of the cavity body can be monitored in real time through the external vacuum degree sensor 17.

The third fluorosilicone rubber ring 20 is tightly pressed in the ring groove through the transparent glass 19, and the structure of the transparent glass 19 fluorinated silicone rubber ring ensures that the camera device is external and has good sealing performance.

The vacuumizing assembly comprises a first copper pipe equal-diameter butt joint 13, a connecting pipe 14, a second copper pipe equal-diameter butt joint 15 and a vacuum pipe fixing piece 16, one end of the connecting pipe 14 is connected to the lower cavity assembly through the first copper pipe equal-diameter butt joint 13, the other end of the connecting pipe 14 is connected to the vacuum pipe fixing piece 16 through the second copper pipe equal-diameter butt joint 15, the connecting pipe 14 is connected with the first copper pipe equal-diameter butt joint 13, the second copper pipe equal-diameter butt joint 15 is connected through a nano-tube, the connection is achieved through a pipeline, the volume and weight of the instrument are reduced, and the vacuumizing assembly is convenient to transport and carry and use.

The working principle is as follows: the method comprises the steps of placing a sample to be tested on a sealing table fixing plate 4, covering a shell 1, starting a vacuumizing part, connecting a vacuum tube fixing part 16 to a vacuumizing device through a first copper tube isometric butt joint 13, a connecting tube 14 and a second copper tube isometric butt joint 15, starting the vacuumizing device, vacuumizing a sealing cavity base 8 in a lower cavity assembly, and further achieving the effect of vacuumizing the upper cavity, wherein in the vacuumizing process, a fluorosilicone rubber ring I12, a fluorosilicone rubber ring II 18, a fluorosilicone rubber ring III 20 and a silica gel gasket 9 can play a good role in sealing, the vacuumizing process can be well completed, the environment of the sample to be tested is free of air, and the analysis precision of the sample to be tested, especially the sample of low atomic number elements, is improved.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims (5)

1. A double-cavity structure capable of being vacuumized comprises an upper cavity component, a platform component, a lower cavity component and a vacuumizing component, wherein the platform component and the vacuumizing component are fixed on the lower cavity component, the upper cavity component comprises an upper shell (1), one side of the platform component is fixedly connected with the upper cavity component, the other side of the platform component is fixedly connected with the lower cavity component, the vacuumizing component is fixedly installed on one side of the lower cavity component, the double-cavity structure is characterized in that the vacuumizing component comprises a first copper pipe equal-diameter butt joint (13), a connecting pipe (14), a second copper pipe equal-diameter butt joint (15) and a vacuum pipe fixing piece (16), one end of the connecting pipe (14) is connected on the lower cavity component through the first copper pipe equal-diameter butt joint (13), and the other end of the connecting pipe (14) is connected on the vacuum pipe fixing piece (16) through the second copper pipe equal-diameter butt joint (15), the connecting pipe (14) is connected with the first copper pipe equal-diameter butt joint (13) and the second copper pipe equal-diameter butt joint (15) through the nano-tubes.

2. The evacuable double-cavity structure according to claim 1, wherein the lower cavity assembly comprises a logging base (5), a wire harness connector male end (6), a wire harness connector female end (7), a sealed cavity base (8), a silicone gasket (9), a vacuum butt joint (11), a fluorosilicone rubber ring I (12), a vacuum degree sensor (17), a fluorosilicone rubber ring II (18), transparent glass (19), and a fluorosilicone rubber ring III (20).

3. The evacuable dual chamber structure of claim 2, the fluorosilicone rubber ring I (12) is clamped on the annular groove of the sealed cavity base (8), the logging base (5) is tightly pressed and locked on the sealed cavity base (8) through screws, the silica gel gasket (9) is placed in a circular groove of the logging base (5), the male end (6) of the wire harness connector is connected with the female end (7) of the wire harness connector in a rotary locking manner, and is fixed on the sealed cavity base (8) through a screw, the vacuum butt joint (11) is fixedly installed on the sealed cavity through screw thread tightening, the second fluorosilicone rubber ring (18) is clamped in the annular groove of the seal cavity base (8), and the vacuum degree sensor (17) is screwed and fixed on the sealed cavity base (8) to be compressed, and the fluorosilicone rubber ring III (20) is compressed in the annular groove through the transparent glass (19).

4. The evacuable double-cavity structure according to claim 1, wherein the platform assembly comprises a mesh outer ring (2), a mesh inner ring (3), a sealing platform fixing plate (4), and a gas permeable circular mesh (10).

5. The dual-cavity structure capable of being vacuumized is characterized in that the net inner ring (3) and the net outer ring (2) are mutually clamped in an interference fit mode and fixedly installed on an air vent of the sealing table fixing plate (4), and the air vent circular hole net (10) is fixed in an installation groove of the sealing table fixing plate (4) through screws.

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