CN113899504A

CN113899504A - Helium mass spectrometer leak detector with safety protection function

Info

Publication number: CN113899504A
Application number: CN202111115049.8A
Authority: CN
Inventors: 冉振为; 洪荣丰; 汪浩; 曹大阳; 郭炳汉; 杨效
Original assignee: Shenzhen Walsheng Intelligent Control Technology Co ltd
Current assignee: Shenzhen Walsheng Intelligent Control Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-07

Abstract

The invention discloses a helium mass spectrometer leak detector with a safety protection function, and relates to the technical field of helium mass spectrometer leak detector equipment. The helium mass spectrometer leak detection device with the safety protection function comprises a machine body, a display screen and a leakage detection pipe, wherein the display screen is installed on one side of the surface of the machine body, the leakage detection pipe is installed on one side of the surface of the top of the machine body, an air inlet filtering assembly is installed at the top end of the leakage detection pipe and used for filtering gas sucked into the machine body through the leakage detection pipe, anti-collision mechanisms are arranged on two side walls and the back surface of the machine body and used for providing protective support for the machine body and reducing damage of external foreign matters to the machine body.

Description

Helium mass spectrometer leak detector with safety protection function

Technical Field

The invention relates to the technical field of helium mass spectrometer leak detector equipment, in particular to a helium mass spectrometer leak detector with a safety protection function.

Background

Helium mass spectrometer leak detectors are the term of gas industry, mass spectrometers that leak are tested using helium or hydrogen as the leak indicator gas and a gas analyzer to detect helium. The helium has low background noise and small molecular weight and viscosity coefficient, so the helium is easy to pass through the leak hole and diffuse; in addition, since helium is an inert gas and does not corrode equipment, helium is often used as a leak gas. The gas is sprayed to a detected container connected with a gas analyzer (adjusted to a working state only reacting to helium gas), if the container has a leak hole, the analyzer reacts, and the position of the leak hole and the size of the leak gas can be known.

When the existing helium mass spectrometer leak detector is used, the inhaled impurities cannot be treated, so that the impurities in the inhaled gas can easily block a molecular pump in the helium mass spectrometer leak detector, the molecular pump is damaged, the protection effect of the existing helium mass spectrometer leak detector is insufficient, and the service life and the safety of the helium mass spectrometer leak detector are reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a helium mass spectrometer leak detector with a safety protection function, which solves the problems that gas flowing into a machine body can be filtered through a gas inlet filtering component, dirt in the gas is prevented from damaging a molecular pump, the use safety of the molecular pump is improved, and the protection component and an anti-collision mechanism are matched with each other, can play a role in protecting a display screen and the machine body, and further prolong the service life of equipment.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a helium mass spectrometer leak detector with safety protection function, includes organism, display screen and examines the leak hunting pipe, the display screen is installed to organism surface one side to organism top surface one side is installed and is examined the leak hunting pipe, examine the leak hunting pipe top and install the filter assembly that admits air, the filter assembly that admits air is used for filtering the gas of inhaling the organism through examining the leak hunting pipe, organism both sides wall and the back all are equipped with anticollision institution, anticollision institution is used for providing the protection to the organism and supports, reduces the damage of external foreign matter to the organism, the block subassembly is installed to the equal symmetry in organism both sides wall and the back, the block subassembly is used for accomodating folding back anticollision institution.

Furthermore, the air inlet filter assembly comprises a first guide pipe and a second guide pipe, the top end of the first guide pipe is detachably connected with the bottom end of the second guide pipe through a sealing rubber ring and a bolt, a first connecting pipe is integrally formed at the bottom end of the first guide pipe, a second connecting pipe is integrally formed at the top end of the second guide pipe, a first grid retaining ring and a second grid retaining ring are respectively installed at the bottom of an inner cavity of the first guide pipe and the top of an inner cavity of the second guide pipe, air filter cotton is arranged between the first grid retaining ring and the second grid retaining ring, and the first grid retaining ring and the second grid retaining ring are used for limiting installation of the air filter cotton to achieve the effect of filtering flowing gas.

Further, the display screen surface is equipped with protective assembly, protective assembly includes spacing frame, the through-hole has been seted up to spacing frame lateral wall to through-hole inner chamber is pegged graft and is had the protective cover, the protective cover is used for coordinating spacing frame and provides the guard action to the display screen, has strengthened display screen safety in utilization, the shifting block is installed to protective cover surface one side, the shifting block is used for user's horizontal slip protective cover, reaches and opens or close the protective cover function.

Furthermore, a limiting groove is formed in one side wall of the inner cavity of the limiting frame, the inner cavity of the limiting groove is connected with one end of the protective cover in an inserting mode, a groove is formed in the middle of the inner cavity of the limiting groove, a magnet block is installed in the inner cavity of the groove, and meanwhile the magnet block is connected with one end of the protective cover in a magnetic absorption mode.

Furthermore, the fixing pieces are symmetrically arranged on two side walls of the limiting frame and are detachably connected with the machine body through screws.

Further, anticollision institution includes two sets of pole settings, and is two sets of first sliding seat is all installed by lower position to pole setting inner wall surface to first sliding seat rotates and is connected with the connecting rod, and connecting rod one end rotates simultaneously and is connected with the second sliding seat, the connecting rod bottom is close to second sliding seat one end and is equipped with the bracket to bracket one end links to each other with the second sliding seat inner chamber is fixed, a second sliding seat side surface passes through the locating plate and links to each other with organism outer wall surface.

Furthermore, two sets of pole setting opposite side surface passes through the horizontal pole and links to each other, the horizontal pole specifically is equipped with a plurality of groups, the horizontal pole outer wall surface bonds and has the warning subsides.

Furthermore, a pin hole is formed in the middle of the connecting rod, close to the first movable seat.

Further, the block subassembly includes the installation piece, the dog is installed to installation piece outer wall surface symmetry, and is two sets of the jack has all been seted up to the dog lateral wall, and the jack inner chamber is pegged graft simultaneously and is had the spacer pin.

Further, the distance between the two groups of the stop blocks is the same as the width of the connecting rod, and the connecting rod is connected with the gap formed by the two groups of the stop blocks in an inserting mode.

(III) advantageous effects

The invention has the following beneficial effects:

(1) this helium mass spectrum leak hunting with safety protection function, through two sets of grid retaining rings among the filtering component that admits air, can be to the spacing installation of the filtration cotton of air-filter in the pipe, thereby can make the filtration cotton to the gas filtration effect of flowing through, and then can prevent to inhale the filth damage molecular pump of organism, so that can improve molecular pump safe in utilization, and two sets of connecting pipes, again can make things convenient for the staff to examine the leak hunting pipe and link to each other by the piece, and then can convenience of customers uses.

(2) This helium mass spectrum leak hunting with safety protection function, through stirring the shifting block among the protective assembly, can make the protective cover nimble slide at the through-hole inner chamber to can play shelters from or open the effect to spacing frame surface, so as to reach the display screen guard action, then through spacing groove, recess and magnet piece, the protective cover is automatic to be opened when can preventing the organism transport, has improved protective assembly to display screen protecting effect.

(3) This helium mass spectrum leak hunting with safety protection function, through two sets of pole settings in the anticollision institution, can be at first movable seat, nimble rotation under the effect of connecting rod and second movable seat, thereby can make two sets of pole settings keep away from or be close to the organism, and the bracket can play the effect of holding up connecting rod one end again, and then can make the connecting rod can the horizontal support, through the multiunit horizontal pole after that, can strengthen the stability of two sets of pole settings, can strengthen anticollision institution's structural strength again, and then can improve the barrier propterty of anticollision institution to the organism, simultaneously through the warning subsides, can play warning function again, further improvement organism protective effect.

(4) This helium mass spectrum leak hunting with safety protection function, through the dog in the block subassembly, can be spacing fixed through jack, spacer pin and pinhole connecting rod after folding, and then can play the folding effect of accomodating of anticollision institution to the clearance that two sets of dogs formed can be spacing to the connecting rod again, prevents that the connecting rod from swinging between two sets of dogs.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of an intake air filter assembly of the present invention;

FIG. 4 is a schematic cross-sectional view of an intake air filter assembly of the present invention;

FIG. 5 is a schematic view of the structure of the shield assembly of the present invention;

FIG. 6 is a schematic side view of the shield assembly of the present invention;

FIG. 7 is an enlarged view of part A of the present invention;

FIG. 8 is a schematic structural view of a crash prevention mechanism according to the present invention;

FIG. 9 is a schematic view of a fastening assembly according to the present invention;

fig. 10 is a schematic view of a connection structure of the second movable base and the connecting rod according to the present invention.

In the figure, 1, a machine body; 2. a display screen; 3. a leakage detecting pipe; 4. an intake air filter assembly; 401. a first conduit; 402. a second conduit; 403. sealing the rubber ring; 404. a first connecting pipe; 405. a second connecting pipe; 406. a first grid retainer ring; 407. a second grid retainer ring; 408. air filter cotton; 5. a guard assembly; 501. a limiting frame; 502. a through hole; 503. a protective cover; 504. shifting blocks; 505. a limiting groove; 506. a magnet block; 507. a fixing sheet; 6. an anti-collision mechanism; 601. erecting a rod; 602. a first movable seat; 603. a connecting rod; 604. a second movable seat; 605. positioning a plate; 606. a cross bar; 607. a warning label; 608. a pin hole; 609. a bracket; 7. clamping the assembly; 701. mounting a sheet; 702. a stopper; 703. a jack; 704. and a limiting pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1 to 10, an embodiment of the present invention provides a technical solution: a helium mass spectrometer leak detector with a safety protection function comprises a machine body 1, a display screen 2 and a leak detection pipe 3, wherein the display screen 2 is arranged on one side of the surface of the machine body 1, and one side of the top surface of the machine body 1 is provided with a leakage detecting pipe 3, the top end of the leakage detecting pipe 3 is provided with an air inlet filtering component 4, firstly, the air inlet filtering component 4 can be connected with a detected piece, thereby filtering the air sucked into the machine body 1, wherein the two side walls and the back surface of the machine body 1 are provided with anti-collision mechanisms 6, the anti-collision mechanism 6 can not only expand the working protection range of the machine body, but also prevent the machine body 1 from being damaged by collision of external foreign matters, improve the use safety of the machine body 1, the clamping components 7 are symmetrically arranged on the two side walls and the back surface of the machine body 1, and through the clamping components 7, thereby can convenience of customers fold to accomodate anticollision institution 6, and then can make things convenient for organism 1 transport.

Specifically, the intake filter assembly 4 includes a first conduit 401 and a second conduit 402, and the top end of the first conduit 401 is detachably connected to the bottom end of the second conduit 402 through a sealing rubber ring 403 and a bolt, a first connection pipe 404 is integrally formed at the bottom end of the first conduit 401, and a second connection pipe 405 is integrally formed at the top end of the second conduit 402, a first grille retainer ring 406 and a second grille retainer ring 407 are respectively installed at the bottom of the inner cavity of the first conduit 401 and the top of the inner cavity of the second conduit 402, and an air filter cotton 408 is arranged between the first grille retainer ring 406 and the second grille retainer ring 407, and the first grille retainer ring 406 and the second grille retainer ring 407 are used for limiting and installing the air filter cotton 408, so as to filter the air flowing through.

In this embodiment, through sealing rubber circle 403 and bolt in the filter assembly 4 that admits air, can be to first pipe 401 and second pipe 402 dismouting, can prevent first pipe 401 and second pipe 402 junction from leaking again, filter assembly 4 stability in use that admits air has been improved, then through first connecting pipe 404 and second connecting pipe 405, can link to each other leak hunting pipe 3 and examined the piece respectively again, thereby can convenience of customers uses, through first grid retaining ring 406 and second grid retaining ring 407, can be to the spacing installation of air filter cotton 408, thereby can make air filter cotton 408 to the gas filtration effect of flowing through, and then can prevent the filth that inhales organism 1 and damage the molecular pump, so that can improve molecular pump safety in utilization.

Specifically, 2 surfaces of display screen are equipped with protective assembly 5, protective assembly 5 includes spacing frame 501, through-hole 502 has been seted up to spacing frame 501 a lateral wall to through-hole 502 inner chamber is pegged graft and is had protective cover 503, protective cover 503 is used for cooperating spacing frame 501 to provide the guard action to display screen 2, has strengthened display screen 2 safety in utilization, stirring block 504 is installed to protective cover 503 surface one side, stirring block 504 is used for user's left and right slip protective cover 503, reaches and opens or close protective cover 503 function.

In this embodiment, through the limiting frame 501 in the protective component 5, the through hole 502 can be used for limiting the installation of the protective cover 503, so that the stirring block 504 can flexibly slide the protective cover 503 in the through hole 502, and the surface of the limiting frame 501 can be shielded or opened, so that the protective effect on the display screen 2 can be achieved.

Specifically, a limiting groove 505 is formed in one side wall of an inner cavity of the limiting frame 501, the inner cavity of the limiting groove 505 is connected with one end of the protective cover 503 in an inserting mode, a groove is formed in the middle of the inner cavity of the limiting groove 505, a magnet block 506 is installed in the inner cavity of the groove, and the magnet block 506 is magnetically connected with one end of the protective cover 503.

In this embodiment, through spacing groove 505, can play protective cover 503 limiting displacement, can offer the space for the recess provides again, then the recess can be to the spacing installation of magnet piece 506 to can make magnet piece 506 to protective cover 503 magnetism, and then protective cover 503 is automatic to be opened when can preventing organism 1 transport, has improved protective assembly 5 to display screen 2 protective effect.

Specifically, fixing pieces 507 are symmetrically installed on two side walls of the limiting frame 501, and the fixing pieces 507 are detachably connected with the machine body 1 through screws.

In this embodiment, the fixing sheet 507 allows the limit frame 501 to be mounted on the machine body 1, so that the stability of the limit frame 501 can be improved.

Specifically, the anti-collision mechanism 6 includes two sets of vertical rods 601, and two sets of first movable seat 602 is all installed at the position below the inner wall surface of the vertical rod 601, and first movable seat 602 rotates and is connected with connecting rod 603, and one end of connecting rod 603 rotates and is connected with second movable seat 604 simultaneously, one end of connecting rod 603 near second movable seat 604 is equipped with bracket 609, and one end of bracket 609 is fixedly connected with the inner cavity of second movable seat 604, a side surface of second movable seat 604 is connected with the outer wall surface of machine body 1 through positioning plate 605.

In this embodiment, through two sets of pole settings 601 in anticollision institution 6, can install first movable seat 602, then first movable seat 602 again can link to each other with the activity of second movable seat 604 through connecting rod 603, then through locating plate 605, again can be to second movable seat 604 fixed mounting, thereby can make two sets of pole settings 601 at first movable seat 602, nimble rotation under the effect of connecting rod 603 and second movable seat 604, and then can make two sets of pole settings 601 keep away from or be close to organism 1, through bracket 609, can play again and hold in the palm the effect to connecting rod 603 one end, and then can make connecting rod 603 can the horizontal support.

Specifically, the other side surfaces of the two groups of upright bars 601 are connected through a cross bar 606, the cross bar 606 is specifically provided with a plurality of groups, and warning stickers 607 are adhered to the outer wall surface of the cross bar 606.

In this embodiment, through multiunit horizontal pole 606, can increase the stability of two sets of pole setting 601, can strengthen anticollision institution 6's structural strength again, and then can improve anticollision institution 6 and to organism 1's barrier propterty, through warning subsides 607 simultaneously, can play the warning again and remind the function, further improvement organism 1 protecting effect.

Specifically, a pin hole 608 is formed in the middle of the connecting rod 603 near the first movable seat 602.

In this embodiment, the pin hole 608 is formed in the connecting rod 603, so that a pulling and inserting position can be provided for the limit pin 704 on the engaging component 7, and the limit pin 704 can be conveniently mounted.

Specifically, the clamping component 7 includes a mounting sheet 701, stoppers 702 are symmetrically mounted on the outer wall surface of the mounting sheet 701, two sets of side walls of the stoppers 702 are provided with jacks 703, and an inner cavity of each jack 703 is inserted with a limit pin 704.

In this embodiment, the two sets of stoppers 702 can be mounted by the mounting pieces 701 in the engaging assembly 7, and then the stoppers 702 can be fixed to the folded connecting rods 603 in a limiting manner through the insertion holes 703, the limiting pins 704 and the pin holes 608, so as to fold and store the anti-collision mechanism 6.

Specifically, the distance between the two sets of the stoppers 702 is the same as the width of the connecting rod 603, and the connecting rod 603 is connected with the gap formed by the two sets of the stoppers 702 in an inserting manner.

In this embodiment, the distance between the two sets of stoppers 702 is the same as the width of the connecting rod 603, and the connecting rod 603 is connected with the gap formed by the two sets of stoppers 702 in an inserting manner, so that the limiting stability of the two sets of stoppers 702 on the connecting rod 603 can be improved, and the connecting rod 603 is prevented from swinging between the two sets of stoppers 702.

When the anti-collision device is used, the anti-collision device can be connected with a detected piece through the air inlet filtering component 4, so that gas sucked into the machine body 1 can be filtered, the anti-collision mechanism 6 can expand the working protection range of the anti-collision device, the machine body 1 can be prevented from being collided and damaged by external foreign matters, the use safety of the machine body 1 is improved, and the anti-collision mechanism 6 can be conveniently folded and stored by a user through the clamping component 7, so that the machine body 1 can be conveniently carried; through the sealing rubber ring 403 and the bolts in the air inlet filter assembly 4, the first guide pipe 401 and the second guide pipe 402 can be disassembled and assembled, leakage at the joint of the first guide pipe 401 and the second guide pipe 402 can be prevented, the use convenience of the air inlet filter assembly 4 is improved, then the leak detection pipe 3 and a detected part can be respectively connected through the first connecting pipe 404 and the second connecting pipe 405, so that the use by a user can be facilitated, then the air filter cotton 408 can be installed in a limiting manner through the first grid retainer ring 406 and the second grid retainer ring 407, so that the air filter cotton 408 can filter flowing air, further, the damage to a molecular pump caused by dirt sucked into the machine body 1 can be prevented, and the use safety of the molecular pump can be improved; through the limiting frame 501 in the protection component 5, the protecting cover 503 can be limited and installed through the through hole 502, so that the stirring block 504 can flexibly slide the protecting cover 503 in the inner cavity of the through hole 502, further the surface of the limiting frame 501 can be shielded or opened, so that the protecting effect on the display screen 2 can be achieved, through the limiting groove 505, the limiting effect on the protecting cover 503 can be achieved, a space is provided for a groove, then the groove can be limited and installed on the magnet block 506, so that the magnet block 506 can be magnetically attracted to the protecting cover 503, further, the protecting cover 503 can be prevented from being automatically opened when the machine body 1 is carried, the protecting effect of the protection component 5 on the display screen 2 is improved, through the fixing piece 507, the limiting frame 501 can be installed on the machine body 1, and the use stability of the limiting frame 501 can be improved; through the two sets of upright posts 601 in the anti-collision mechanism 6, the first movable seat 602 can be installed, then the first movable seat 602 can be movably connected with the second movable seat 604 through the connecting rod 603, then the positioning plate 605 can be fixedly installed on the second movable seat 604, so that the two sets of upright posts 601 can flexibly rotate under the action of the first movable seat 602, the connecting rod 603 and the second movable seat 604, further the two sets of upright posts 601 can be far away from or close to the machine body 1, the bracket 609 can play a role in supporting one end of the connecting rod 603, further the connecting rod 603 can be horizontally supported, through the plurality of sets of cross rods 606, the stability of the two sets of upright posts 601 can be increased, the structural strength of the anti-collision mechanism 6 can be enhanced, further the protective performance of the anti-collision mechanism 6 on the machine body 1 can be improved, meanwhile, through the warning sticker 607, the function of warning the machine body can be played, and the protective effect of the machine body 1 can be further improved, the connecting rod 603 is provided with the pin hole 608, so that a pulling and inserting position can be provided for the limiting pin 704 on the clamping component 7, and the limiting pin 704 can be conveniently installed; through the installation piece 701 in the block subassembly 7, can be to two sets of dogs 702 installations, then dog 702 can be spacing fixed through jack 703, spacer pin 704 and pinhole 608 to the connecting rod 603 after folding, and then can play the folding effect of accomodating of anticollision institution 6, because the interval between two sets of dogs 702 is the same with the connecting rod 603 width, and the connecting rod 603 is pegged graft with the clearance that two sets of dogs 702 formed and is linked to each other, thereby can improve two sets of dogs 702 to the spacing stability of connecting rod 603, prevent that the connecting rod 603 from swinging between two sets of dogs 702.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a helium mass spectrometer leak detector with safety protection function, includes organism (1), display screen (2) and leak hunting pipe (3), display screen (2) are installed to organism (1) surface one side to leak hunting pipe (3), its characterized in that are installed to organism (1) top surface one side: examine the leak hunting pipe (3) top and install filter assembly (4) that admits air, filter assembly (4) admits air is used for filtering and inhales the gas of organism (1) through examining leak hunting pipe (3), organism (1) both sides wall and the back all are equipped with anticollision institution (6), anticollision institution (6) are used for providing the protection support to organism (1), reduce the damage of external foreign matter to organism (1), block subassembly (7) are installed to the equal symmetry in organism (1) both sides wall and the back, block subassembly (7) are used for accomodating folding back anticollision institution (6).

2. The helium mass spectrometer leak detector with safety protection function as claimed in claim 1, wherein: the intake air filter assembly (4) comprising a first conduit (401) and a second conduit (402), the top end of the first conduit (401) is detachably connected with the bottom end of the second conduit (402) through a sealing rubber ring (403) and a bolt, a first connecting pipe (404) is integrally formed at the bottom end of the first conduit (401), a second connecting pipe (405) is integrally formed at the top end of the second conduit (402), a first grid retainer ring (406) and a second grid retainer ring (407) are respectively installed at the bottom of the inner cavity of the first conduit (401) and the top of the inner cavity of the second conduit (402), and air filter cotton (408) is arranged between the first grid retainer ring (406) and the second grid retainer ring (407), the first grid retainer ring (406) and the second grid retainer ring (407) are used for limiting and mounting the air filter cotton (408) to achieve the effect of filtering flowing air.

3. The helium mass spectrometer leak detector with safety protection function as claimed in claim 1, wherein: display screen (2) surface is equipped with protective assembly (5), protective assembly (5) include spacing frame (501), through-hole (502) have been seted up to spacing frame (501) a lateral wall to through-hole (502) inner chamber is pegged graft and is had protective cover (503), protective cover (503) are used for cooperating spacing frame (501) to provide the guard action to display screen (2), have strengthened display screen (2) safety in utilization, stirring block (504) are installed to protective cover (503) surface one side, stirring block (504) are used for user's left and right sides slip protective cover (503), reach and open or close protective cover (503) function.

4. A helium mass spectrometer leak detector with safety protection as claimed in claim 3, wherein: spacing groove (505) have been seted up to a lateral wall of spacing frame (501) inner chamber to spacing groove (505) inner chamber with protective cover (503) one end is pegged graft and is linked to each other, spacing groove (505) inner chamber middle part is seted up flutedly to magnet piece (506) are installed to the recess inner chamber, magnet piece (506) simultaneously with protective cover (503) one end magnetism is inhaled and is linked to each other.

5. A helium mass spectrometer leak detector with safety protection as claimed in claim 3, wherein: fixing pieces (507) are symmetrically arranged on two side walls of the limiting frame (501), and the fixing pieces (507) are detachably connected with the machine body (1) through screws.

6. The helium mass spectrometer leak detector with safety protection function as claimed in claim 1, wherein: anticollision institution (6) are including two sets of pole setting (601), and are two sets of first movable seat (602) are all installed by lower position to pole setting (601) inner wall surface to first movable seat (602) rotate and are connected with connecting rod (603), and connecting rod (603) one end rotates simultaneously and is connected with second movable seat (604), connecting rod (603) bottom is close to second movable seat (604) one end and is equipped with bracket (609), and bracket 609) one end links to each other with second movable seat (604) inner chamber is fixed, a side surface of second movable seat (604) passes through locating plate (605) and links to each other with organism (1) outer wall surface.

7. The helium mass spectrometer leak detector with safety protection as claimed in claim 6, wherein: two sets of pole setting (601) opposite side surface links to each other through horizontal pole (606), horizontal pole (606) are specifically equipped with a plurality of groups, horizontal pole (606) outer wall surface bonds has warning subsides (607).

8. The helium mass spectrometer leak detector with safety protection as claimed in claim 6, wherein: the middle part of the connecting rod (603) is provided with a pin hole (608) close to the first movable seat (602).

9. The helium mass spectrometer leak detector with safety protection function as claimed in claim 1, wherein: the clamping component (7) comprises an installation sheet (701), stop blocks (702) are symmetrically installed on the surface of the outer wall of the installation sheet (701), jacks (703) are formed in the side walls of the two stop blocks (702), and meanwhile limiting pins (704) are inserted into the inner cavities of the jacks (703).

10. A helium mass spectrometer leak detector with safety features as claimed in claim 6 or claim 9, wherein: the distance between the two groups of stop blocks (702) is the same as the width of the connecting rod (603), and the connecting rod (603) is connected with the gap formed by the two groups of stop blocks (702) in an inserting way.