CN112185796A - Vertical opening and closing cabin door device - Google Patents
Vertical opening and closing cabin door device Download PDFInfo
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- CN112185796A CN112185796A CN202010937518.3A CN202010937518A CN112185796A CN 112185796 A CN112185796 A CN 112185796A CN 202010937518 A CN202010937518 A CN 202010937518A CN 112185796 A CN112185796 A CN 112185796A
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- 230000007246 mechanism Effects 0.000 claims description 49
- 238000012546 transfer Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 13
- 230000003028 elevating effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/04—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components
- H01J49/0409—Sample holders or containers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
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Abstract
The invention discloses a vertical opening and closing cabin door device, which comprises a mass spectrometer body, a cabin door and a cabin door driving assembly, wherein a sample inlet hole is formed in the upper end surface of the mass spectrometer body, the cabin door is positioned above the sample inlet hole and matched with the sample inlet hole, the driving end of the cabin door driving assembly is connected with the cabin door, and the cabin door driving assembly is used for driving the cabin door to ascend or descend; when the cabin door driving assembly drives the cabin door to descend, the cabin door seals the sample inlet hole, and when the cabin door driving assembly drives the cabin door to ascend, the cabin door is far away from the sample inlet hole. According to the vertical opening and closing cabin door device, the cabin door is driven to ascend or descend by the cabin door driving assembly, so that the cabin door is changed into a vertical opening and closing type, the opening and closing of the cabin door are convenient, and the phenomenon of blockage is not easy to occur.
Description
Technical Field
The invention relates to the technical field of mass spectrometers, in particular to a vertical opening and closing cabin door device.
Background
Mass spectrometers are instruments used to separate and detect different isotopes and are common devices used in scientific research processes. Existing mass spectrometers are typically provided with a sample inlet and a corresponding hatch for opening or closing the sample inlet. In order to ensure the sealing performance inside the mass spectrometer, a sealing ring is usually arranged at the sample inlet, and the cabin door is matched with the sealing ring to seal the sample inlet. However, the existing cabin doors are generally horizontally opened and closed, and when the cabin doors are opened and closed in the horizontal direction, the cabin doors are easily blocked by the sealing rings, so that the situation of blockage occurs, and the opening and closing of the cabin doors are difficult.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a vertical opening and closing cabin door device, which enables the opening and closing of the cabin door to be more convenient and avoids the phenomenon of blockage.
The vertical retractable hatch door device according to the embodiment of the invention comprises: the mass spectrometer comprises a mass spectrometer body, wherein a sample inlet hole is formed in the upper end face of the mass spectrometer body; the cabin door is positioned above the sample inlet hole and is matched with the sample inlet hole; the driving end of the cabin door driving assembly is connected with the cabin door, and the cabin door driving assembly is used for driving the cabin door to ascend or descend; when the cabin door driving assembly drives the cabin door to descend, the cabin door covers the sample inlet, and when the cabin door driving assembly drives the cabin door to ascend, the cabin door is far away from the sample inlet.
The vertical retractable cabin door device provided by the embodiment of the invention at least has the following beneficial effects: the hatch door is driven to ascend or descend by the hatch door driving assembly, and when the hatch door ascends, the sample hole is opened, and when the hatch door descends, the sample hole is closed. The cabin door is made to be vertically opened and closed through the arrangement, even if the sealing ring is arranged at the opening of the sample inlet hole, the cabin door cannot be taken up or clamped by the sealing ring in the opening and closing process, and the opening and closing of the cabin door are more convenient.
According to some embodiments of the invention, the hatch drive assembly comprises: the supporting seat is arranged on the upper end face of the mass spectrometer body, and a groove which extends vertically is formed in the supporting seat; the rack connecting rod is arranged in the groove, and one end of the rack connecting rod is connected with the cabin door; and an output shaft of the first driver is provided with a gear, and the gear is meshed with the rack connecting rod.
According to some embodiments of the invention, the hatch drive assembly further comprises: the sliding rail is arranged on the supporting seat and is positioned between the rack connecting rod and the cabin door; and the sliding plate is matched with the sliding rail, one end of the rack connecting rod is connected with one end of the sliding plate, and the other end of the sliding plate is connected with the upper end face of the cabin door.
According to some embodiments of the invention, further comprising: a sample target; and the moving mechanism is arranged in the mass spectrometer body and is used for driving the sample target to transversely move or longitudinally move in a horizontal plane in the mass spectrometer body.
According to some embodiments of the invention, the moving mechanism comprises: the transverse guide rail is provided with a sliding seat; the second driver is connected with the sliding seat and is used for driving the sliding seat to slide along the transverse guide rail; the longitudinal guide rail is arranged at the upper end of the sliding seat; the sliding table is arranged on the longitudinal guide rail; the third driver is connected with the sliding table and is used for driving the sliding table to slide along the longitudinal guide rail; the ejection columns are arranged on the upper end face of the sliding table and used for supporting the sample target.
According to some embodiments of the invention, further comprising: the lifting mechanism is positioned below the sample inlet hole and used for driving the sample target to ascend or descend; the transfer assembly is arranged in the mass spectrometer body and used for driving the sample target to be transferred from the moving mechanism to the lifting mechanism or driving the sample target to be transferred from the lifting mechanism to the moving mechanism.
According to some embodiments of the invention, the transfer assembly comprises: the U-shaped saddle is used for supporting the sample target; the base is arranged on the bottom surface inside the mass spectrometer body; the first ends of the two connecting rods are respectively and rotatably connected with two sides of the opening of the U-shaped supporting platform, and the second ends of the two connecting rods are respectively and rotatably connected with the base; and the fourth driver is connected with the second end of each connecting rod and is used for driving the connecting rods to rotate, so that the U-shaped saddle transfers the sample target from the moving mechanism to the lifting mechanism or transfers the sample target from the lifting mechanism to the moving mechanism.
According to some embodiments of the invention the lift mechanism comprises: the fifth driver is arranged below the mass spectrometer body; the fifth driver is in transmission connection with one end of the ejector rod through a transmission assembly so as to drive the ejector rod to ascend or descend, and the other end of the ejector rod extends into the mass spectrometer body; and the support block is arranged at the other end of the ejector rod and used for supporting the sample target.
According to some embodiments of the invention, further comprising an evacuation assembly in communication with the interior of the mass spectrometer body for evacuating the interior of the mass spectrometer body.
According to some embodiments of the invention, the mass spectrometer further comprises a vacuum detection assembly disposed on the mass spectrometer body for measuring a vacuum level inside the mass spectrometer body.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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 of which:
fig. 1 is a schematic structural view of a vertical retractable door assembly according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a hatch door drive assembly and a hatch door according to an embodiment of the invention;
FIG. 3 is a schematic view of another perspective of the hatch drive assembly and the door of the embodiment of the invention;
FIG. 4 is a cross-sectional view of the vertical hatchdoor apparatus shown in FIG. 1;
FIG. 5 is a schematic structural diagram of a moving mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a transfer unit according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a lifting mechanism according to an embodiment of the present invention;
reference numerals:
the mass spectrometer comprises a mass spectrometer body 100, a sample inlet 110, a support base 200, a support plate 210, a support column 220, a fixing plate 230, a transverse plate 240, a rack link 250, a first driver 260, a gear 270, a slide rail 280, a slide plate 290, a guide 291, a hatch 300, a vacuum pumping assembly 400, a sample target 500, a transverse guide 610, a slide base 620, a second driver 630, a longitudinal guide 640, a slide table 650, a third driver 670, a top column 680, a U-shaped pallet 710, a base 720, a link 730, a fifth driver 810, a top bar 830, a support block 840, a sleeve 850, an elastic extension tube 860 and a vacuum detection assembly 900.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If there is a description of the first, second, third, fourth and fifth only for the purpose of distinguishing between technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, the vertical retractable hatch door device according to the embodiment of the present invention includes a mass spectrometer body 100, a hatch door 300, and a hatch door driving assembly, wherein a sample inlet 110 is disposed on an upper end surface of the mass spectrometer body 100, the hatch door 300 is located above the sample inlet 110 and is adapted to the sample inlet 110, the hatch door driving assembly is connected to the hatch door 300, and the hatch door driving assembly is configured to drive the hatch door 300 to ascend or descend; when the hatch door 300 is driven by the hatch door driving assembly to descend, the hatch door 300 covers the sample entry hole 110, and when the hatch door 300 is driven by the hatch door driving assembly to ascend, the hatch door 300 is far away from the sample entry hole 110. When the hatch 300 is away from the sample inlet 110, a sample can be introduced into the mass spectrometer body 100 through the sample inlet 110.
Specifically, in order to ensure the sealing of the pod door 300 to the sample inlet 110, a sealing ring is usually sleeved at the opening of the sample inlet 110, the sealing ring slightly protrudes out of the opening of the sample inlet 110, and if the pod door 300 is horizontally opened and closed, the sealing ring is easily taken up or clamped by the sealing ring during the sliding process of the pod door 300, so that the opening and closing of the pod door 300 are difficult. And through setting up the hatch door drive assembly, become perpendicular open-close type with hatch door 300, then at the in-process that the hatch door 300 opened and shut, the condition that the hatch door 300 is blocked by the sealing washer is difficult to appear for the opening and shutting of hatch door 300 becomes more convenient.
As shown in fig. 2 and 3, in some embodiments of the present invention, the pod door driving assembly includes a supporting base 200, a rack link 250, and a first driver 260, the supporting base 200 is disposed on an upper end surface of the mass spectrometer body 100, a vertically extending groove is disposed on the supporting base 200, the rack link 250 is disposed in the groove, one end of the rack link 250 is connected to the pod door 300, an output shaft of the first driver 260 is provided with a gear 270, and the gear 270 is engaged with the rack link 250. When the first driver 260 drives the gear 270 to rotate, the gear 270 drives the rack link 270 to move up and down, and the rack link 270 drives the door 300 to ascend or descend. The first driver 260 may be an electric motor or a hydraulic motor.
Specifically, as shown in fig. 2 and 3, the supporting base 200 includes a supporting plate 210, a plurality of supporting pillars 220, and a fixing plate 230. Wherein, the one end of support plate 210 is connected with the up end of mass spectrometer body 100, and the one end of every support column 220 is connected with the one side of support plate 210, and the other end of every support column 220 is connected with the first face of fixed plate 230, and the second face of fixed plate 230 is provided with the recess of vertical extension, and rack connecting rod 250 just sets up in the recess. In order to better realize the connection between the support plate 210 and the mass spectrometer body 100, a transverse plate 240 extending transversely is further disposed at one end of the support plate 210, and the transverse plate 240 is welded to the mass spectrometer body 100 through the mounting hole. As shown in fig. 3, the number of the support columns 220 may be three, which is used to fixedly connect the support plate 210 and the fixing plate 230, when the first driver 260 drives the gear 270 to rotate, the gear 270 drives the rack link 250 to move up and down, the rack link 250 drives the hatch 300 to move up and down, when the hatch 300 descends, the hatch 300 covers the sample hole 110, and when the hatch 300 ascends, the hatch 300 is far away from the sample hole 110. It is conceivable that the number of the supporting columns 220 may be two, four, etc., without being limited thereto, and the description thereof is omitted here. As shown in fig. 3, the first driver 260 may be disposed between the support plate 210 and the fixing plate 230, an output shaft of the first driver 260 passes through the fixing plate 230, a limit groove for receiving the gear 270 is further provided on a second surface of the fixing plate 230, and the gear 270 is engaged with the rack link 250. Through the arrangement, the cabin door 300 is changed into a vertical opening and closing type, the opening and closing of the cabin door 300 are more convenient, and the phenomenon of blockage is not easy to occur.
As shown in fig. 2, in some embodiments of the present invention, the door driving assembly further includes a sliding rail 280 and a sliding plate 290, the sliding rail 280 is disposed on the supporting base 200 and is located between the rack link 250 and the door 300, the sliding plate 290 is adapted to the sliding rail 280, one end of the rack link 250 is connected to one end of the sliding plate 290, and the other end of the sliding plate 290 is connected to the upper end surface of the door 300. When the first driver 260 drives the rack link 250 to move up and down, the rack link 250 drives the sliding plate 290 to move up and down along the sliding rail 280, so as to raise or lower the door 300. Meanwhile, a plurality of guides 291 are further provided between the sliding plate 290 and the fixed plate 230, and the guides 291 function to reduce friction between the sliding plate 290 and the fixed plate 230. By providing the slide rail 280, the sliding plate 290 and the guide 291, the door 300 is smoothly raised or lowered, and a cogging phenomenon is not easily generated.
It is contemplated that the door driving assembly may also adopt other structures, such as a sliding track cylinder, and the like, and a guide rod of the sliding track cylinder is connected to the door 300, so that the cylinder drives the guide rod to move the door 300 up or down.
As shown in fig. 4 and 5, in some embodiments of the present invention, the mass spectrometer further includes a sample target 500 and a moving mechanism, the sample target 500 and the moving mechanism are disposed inside the mass spectrometer body 100, and the moving mechanism is configured to drive the sample target 500 to perform a transverse movement or a longitudinal movement in a horizontal plane inside the mass spectrometer body 100. When analyzing a sample, a mass spectrometer generally needs to make a sample dropped on the sample target 500 perform lateral movement and longitudinal movement in a horizontal plane inside the mass spectrometer body 100, so that a laser can hit each sample on the sample target 500. Therefore, by providing the moving mechanism and the sample target 500, the sample on the sample target 500 can be moved forward, backward, leftward, and rightward within the mass spectrometer body 100.
As shown in fig. 4 and 5, in some embodiments of the present invention, the moving mechanism includes a transverse guide rail 610, a sliding seat 620, a second driver 630, a longitudinal guide rail 640, a sliding table 650, a third driver 670, and a plurality of top pillars 680, wherein the sliding seat 620 is disposed on the transverse guide rail 610, the second driver 630 is connected with the sliding seat 620, and the second driver 630 can drive the sliding seat 620 to slide along the transverse guide rail 610; the longitudinal guide rail 640 is disposed at the upper end of the sliding seat 620, the sliding table 650 is disposed on the longitudinal guide rail 640, the third driver 670 is connected to the sliding table 650, the third driver 670 can drive the sliding table 650 to slide along the longitudinal guide rail 640, the top pillar 680 is disposed above the sliding table 650, and the top pillar 680 is used for holding the sample target 500. Specifically, the second driver 630 and the third driver 670 may employ a driver such as an electric motor or a hydraulic motor, and when the sample target 500 is placed on the top pillar 680, the third driver 670 may drive the sample target 500 to move along the longitudinal guide rail 640 along with the slide table 650, and the second driver 630 may drive the sample target 500 to move along the lateral guide rail 610 along with the slide base 620. In this example, the number of the top pillars 680 is four, and the four pillars are respectively located at four corners of the sliding table 650, so that a certain gap exists between the sliding table 650 and the sample target 500. Of course, the number of the top posts 680 may be two, three, etc., without being limited thereto. With this arrangement, the sample target 500 can be moved left and right and back and forth inside the mass spectrometer body 100 along the transverse guide 810 and the longitudinal guide 840.
Referring to fig. 4 to 7, in some embodiments of the present invention, the present invention further includes an elevating mechanism located below the sample inlet 110, the elevating mechanism being configured to drive the sample target 500 to ascend or descend, and a transfer assembly provided inside the mass spectrometer body 100, the transfer assembly being configured to drive the sample target 500 to be transferred from the moving mechanism to the elevating mechanism, or to drive the sample target 500 to be transferred from the elevating mechanism to the moving mechanism. Through setting up transfer assembly and elevating system, be convenient for transfer sample target 500 from moving the mechanism to elevating system through the transfer assembly on, elevating system drive sample target 500 rises, makes sample target 500 be close to into appearance hole 110, is convenient for through getting into appearance hole 110 to the dropwise add sample on sample target 500, and the transfer assembly again transfers sample target 500 to moving the mechanism afterwards.
As shown in fig. 6, in some embodiments of the present invention, the transfer assembly includes a U-shaped pallet 710, a base 720, at least two sets of connecting rods, and a fourth driver (not shown), the U-shaped pallet 710 is used for supporting the sample target 500, the base 720 is disposed on the bottom surface inside the mass spectrometer body 100, each set of connecting rods includes two connecting rods 730, first ends of the two connecting rods 730 are respectively rotatably connected to two sides of the opening of the U-shaped pallet 710, second ends of the two connecting rods 730 are respectively rotatably connected to the base 720, the fourth driver is connected to a second end of each connecting rod 730, and the fourth driver is used for driving the connecting rods 730 to rotate, so that the U-shaped pallet 710 transfers the sample target 500 from the moving mechanism to the lifting mechanism or transfers the sample target 500 from the lifting mechanism to the moving mechanism. The fourth driver may be an electric motor, a hydraulic motor, or the like. Specifically, as shown in fig. 4 and 5, when the fourth driver drives the link 730 to rotate, the link 730 drives the U-shaped pallet 710 to move toward the sliding seat 620 until the U-shaped pallet 710 is located between the sliding table 650 and the sample target 500, the link 730 is driven in reverse, the U-shaped pallet 710 lifts up the sample target 500 while lifting up, and then the link 730 drives the U-shaped pallet 710 to reset, and the U-shaped pallet 710 is located above the lifting mechanism, so that when the lifting mechanism lifts up, the sample target 500 is transferred to the lifting mechanism, and the lifting mechanism can drive the sample target 500 to lift up or down. As shown in fig. 6, the number of the connecting rod assemblies is two, and certainly, the number of the connecting rod assemblies may also be three, four, etc., which is a conventional arrangement and will not be described herein.
As shown in fig. 7, in some embodiments of the present invention, the lifting mechanism includes a fifth driver 810, a top bar 830 and a support block 840, the fifth driver 810 is disposed below the mass spectrometer body 100, the fifth driver 810 is in transmission connection with one end of the top bar 830 through a transmission component to drive the top bar 830 to ascend or descend, the other end of the top bar 830 extends into the mass spectrometer body 100, the support block 840 is disposed at the other end of the top bar 830, and the support block 840 is used for supporting the sample target 500. Specifically, the fifth driver 810 may adopt a driver such as an electric motor or a hydraulic motor, the transmission assembly may adopt a gear and a rack, the output shaft of the fifth driver 810 is provided with a gear, the end of the ram 830 is provided with a rack engaged with the gear, and when the fifth driver 810 drives the gear to rotate, the ram 830 may be driven to ascend or descend by the rack. It is conceivable that the conducting assembly may also adopt a structure such as a worm gear and a worm, and the like, which is not described herein. Meanwhile, as shown in fig. 7, in order to ensure that the vacuum environment inside the mass spectrometer body 100 is not damaged during the up and down movement of the jack 830, a sleeve 850 is sleeved outside the top rod 830, the lower end of the sleeve 850 is arranged on the bottom surface inside the mass spectrometer body 100, an elastic extension tube 860 is sleeved between the upper end of the sleeve 850 and the support block 840, the elastic extension tube 860 can be a corrugated tube, the space covered by the sleeve 850, the support block 840 and the elastic extension tube 860 is independent of the space inside the mass spectrometer body 100, when the push rod 830 ascends or descends, the elastic telescopic tube 860 extends or shortens along with the supporting block 840, however, the space covered by the sleeve 850, the support block 840 and the elastic extension tube 860 is still independent from the space inside the mass spectrometer body 100, and has strong sealing performance, so that the vacuum environment inside the mass spectrometer body 100 is not damaged in the lifting process of the ejector rod 830. When the push rod 830 ascends, the supporting block 840 supports the sample target 500 on the U-shaped supporting platform 710 upwards and approaches the sample inlet hole 110, so that a sample is conveniently dripped onto the sample target 500, when the push rod 830 descends, the supporting block 840 drives the sample target 500 to descend until the sample target 500 is placed back on the U-shaped supporting platform 710, and at the moment, the transfer assembly can transfer the sample target 500 to the moving mechanism.
As shown in fig. 1, in some embodiments of the invention, a vacuum evacuation assembly 400 is further included in communication with the interior of the mass spectrometer body 100, the vacuum evacuation assembly 400 being used to evacuate the interior of the mass spectrometer body 100. Mass spectrometers typically require a vacuum environment to be maintained while analyzing a sample, and thus by providing the evacuation assembly 400, the desired vacuum environment is achieved. Specifically, the evacuation assembly 400 may employ a molecular pump, and the evacuation assembly 400 is disposed at an outer sidewall of the mass spectrometer body 100.
As shown in fig. 1, in some embodiments of the invention, the mass spectrometer further includes a vacuum detection assembly 900 disposed on the mass spectrometer body 100, and the vacuum detection assembly 900 is used for measuring the degree of vacuum inside the mass spectrometer body 100. Specifically, the vacuum detection assembly 900 may employ a vacuum gauge, the vacuum detection assembly 900 is disposed on the upper end surface of the mass spectrometer body 100, and the vacuum gauge may measure the vacuum degree inside the mass spectrometer body 100. Of course, the vacuum detecting assembly 900 may also employ an air pressure sensor or the like.
In the description herein, references to the description of "one embodiment," "a further embodiment," "some specific embodiments," or "some examples," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. 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 embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A vertical retractable door assembly, comprising:
the mass spectrometer comprises a mass spectrometer body, wherein a sample inlet hole is formed in the upper end face of the mass spectrometer body;
the cabin door is positioned above the sample inlet hole and is matched with the sample inlet hole;
the driving end of the cabin door driving assembly is connected with the cabin door, and the cabin door driving assembly is used for driving the cabin door to ascend or descend;
when the cabin door driving assembly drives the cabin door to descend, the cabin door covers the sample inlet, and when the cabin door driving assembly drives the cabin door to ascend, the cabin door is far away from the sample inlet.
2. The vertical hatchdoor apparatus of claim 1, wherein the hatchdoor drive assembly comprises:
the supporting seat is arranged on the upper end face of the mass spectrometer body, and a groove which extends vertically is formed in the supporting seat;
the rack connecting rod is arranged in the groove, and one end of the rack connecting rod is connected with the cabin door;
and an output shaft of the first driver is provided with a gear, and the gear is meshed with the rack connecting rod.
3. The vertical hatchdoor apparatus of claim 2, wherein the hatchdoor drive assembly further comprises:
the sliding rail is arranged on the supporting seat and is positioned between the rack connecting rod and the cabin door;
and the sliding plate is matched with the sliding rail, one end of the rack connecting rod is connected with one end of the sliding plate, and the other end of the sliding plate is connected with the upper end face of the cabin door.
4. The vertical hatchdoor apparatus of claim 1, further comprising:
a sample target;
and the moving mechanism is arranged in the mass spectrometer body and is used for driving the sample target to transversely move or longitudinally move in a horizontal plane in the mass spectrometer body.
5. The vertical hatchdoor apparatus of claim 4, wherein the moving mechanism comprises:
the transverse guide rail is provided with a sliding seat;
the second driver is connected with the sliding seat and is used for driving the sliding seat to slide along the transverse guide rail;
the longitudinal guide rail is arranged at the upper end of the sliding seat;
the sliding table is arranged on the longitudinal guide rail;
the third driver is connected with the sliding table and is used for driving the sliding table to slide along the longitudinal guide rail;
the ejection columns are arranged on the upper end face of the sliding table and used for supporting the sample target.
6. The vertical hatchdoor apparatus of claim 4, further comprising:
the lifting mechanism is positioned below the sample inlet hole and used for driving the sample target to ascend or descend;
the transfer assembly is arranged in the mass spectrometer body and used for driving the sample target to be transferred from the moving mechanism to the lifting mechanism or driving the sample target to be transferred from the lifting mechanism to the moving mechanism.
7. The vertical hatchdoor apparatus of claim 6, wherein the transfer assembly comprises:
the U-shaped saddle is used for supporting the sample target;
the base is arranged on the bottom surface inside the mass spectrometer body;
the first ends of the two connecting rods are respectively and rotatably connected with two sides of the opening of the U-shaped supporting platform, and the second ends of the two connecting rods are respectively and rotatably connected with the base;
and the fourth driver is connected with the second end of each connecting rod and is used for driving the connecting rods to rotate, so that the U-shaped saddle transfers the sample target from the moving mechanism to the lifting mechanism or transfers the sample target from the lifting mechanism to the moving mechanism.
8. The vertical hatchdoor apparatus of claim 6, wherein the lifting mechanism comprises:
the fifth driver is arranged below the mass spectrometer body;
the fifth driver is in transmission connection with one end of the ejector rod through a transmission assembly so as to drive the ejector rod to ascend or descend, and the other end of the ejector rod extends into the mass spectrometer body;
and the support block is arranged at the other end of the ejector rod and used for supporting the sample target.
9. The vertical hatchdoor apparatus of any one of claims 1 to 8, further comprising an evacuation assembly in communication with the mass spectrometer body interior for evacuating the mass spectrometer body interior.
10. The vertical hatchdoor apparatus of claim 9, further comprising a vacuum detection assembly disposed on the mass spectrometer body for measuring a vacuum level inside the mass spectrometer body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010937518.3A CN112185796B (en) | 2020-09-08 | 2020-09-08 | Vertical opening and closing cabin door device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010937518.3A CN112185796B (en) | 2020-09-08 | 2020-09-08 | Vertical opening and closing cabin door device |
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| CN112185796A true CN112185796A (en) | 2021-01-05 |
| CN112185796B CN112185796B (en) | 2024-06-25 |
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| CN202010937518.3A Active CN112185796B (en) | 2020-09-08 | 2020-09-08 | Vertical opening and closing cabin door device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421817A (en) * | 2021-05-25 | 2021-09-21 | 珠海美华医疗科技有限公司 | Sample inlet and outlet device of mass spectrometer and mass spectrometer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20190066990A1 (en) * | 2015-11-20 | 2019-02-28 | Shimadzu Corporation | Vacuum processing device and mass analyzing device |
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| CN113421817B (en) * | 2021-05-25 | 2022-06-28 | 珠海美华医疗科技有限公司 | Sample inlet and outlet device of mass spectrometer and mass spectrometer |
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