CN113916461A - Helium mass spectrometer leak detector capable of realizing high-voltage detection - Google Patents
Helium mass spectrometer leak detector capable of realizing high-voltage detection Download PDFInfo
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- CN113916461A CN113916461A CN202111184940.7A CN202111184940A CN113916461A CN 113916461 A CN113916461 A CN 113916461A CN 202111184940 A CN202111184940 A CN 202111184940A CN 113916461 A CN113916461 A CN 113916461A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/202—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material using mass spectrometer detection systems
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Abstract
The invention discloses a helium mass spectrometer leak detector capable of realizing high-voltage detection, and relates to the technical field of high-voltage detection devices. This helium mass spectrometer leak detector that can realize high pressure detection, including the leak detector body, the surface of leak detector body is connected with the connecting pipe, the surface of connecting pipe is provided with the installation pipe, the inside of installation pipe is provided with canceling release mechanical system, canceling release mechanical system is used for sealing the installation pipe, the surface connection of installation pipe has the detecting tube, the surface connection of leak detector body has the mount pad. According to the invention, by arranging the installation pipe, the closing plate, the return spring and the fixing rod, the problem that when the leak detector does not need to detect, a connector is often in an exposed environment, so that impurities contained in external gas can possibly enter the interior of the connector, and unnecessary influence is caused on the internal structure of equipment is solved, and the detection pipe is connected only by using the clamp, so that the detection pipe can be pulled loose, gas leakage can be caused during high-pressure detection, and further, the detection result is inaccurate.
Description
Technical Field
The invention relates to the technical field of high-voltage detection devices, in particular to a helium mass spectrometer leak detector capable of realizing high-voltage detection.
Background
Helium is used as a leakage indicating gas by the helium mass spectrometer leak detector, the helium mass spectrometer leak detection is carried out by detecting the helium by the gas analyzer, the helium mass spectrometer leak detection technology is an indispensable technology in the field of vacuum leak detection, and the helium mass spectrometer leak detection technology is high in leak detection efficiency, simple, convenient and easy to operate and widely applied to leak detection of a resistance furnace.
At present common helium mass spectrometer leak detector all can use the clamp to be connected sense tube and helium mass spectrometer leak detector when detecting, when need not examining time measuring, the connector often is in the environment that exposes, lead to the impurity that contains in the external gas probably to enter into inside, cause the unnecessary influence to equipment inner structure, the sense tube only uses clamp connection moreover, can make the sense tube by garnetting loose, can leak gas when causing high-pressure detection, and then the unsafe problem of testing result can appear.
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 capable of realizing high-pressure detection, which solves the problems that when detection is not needed, a connecting port is often in an exposed environment, impurities contained in external gas can possibly enter the inside of the connecting port, unnecessary influence is caused on the internal structure of equipment, and the detection pipe is connected only by using a clamp, so that the detection pipe can be pulled loose, gas leakage can be caused during high-pressure detection, and the detection result is inaccurate.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a helium mass spectrometer leak detector capable of realizing high-pressure detection comprises a leak detector body, wherein a connecting pipe is connected to the surface of the leak detector body, an installation pipe is arranged on the surface of the connecting pipe, a resetting mechanism is arranged inside the installation pipe and used for sealing the installation pipe, and a detection pipe is connected to the surface of the installation pipe;
the surface of the leak detector body is connected with an installation seat, the installation seat is used for installing a fixed rod, the surface of the fixed rod is provided with a fixing mechanism through a connecting frame, and the fixing mechanism is used for fixing a detection tube;
the surface of leak detector body still is provided with the rack, the rack is used for placing the dead lever.
Further, canceling release mechanical system includes reset spring, release link and closing plate, closing plate fixed connection is in the one end of release link, the surface of closing plate and the inner wall swing joint of installation pipe, reset spring's one end and the inner wall fixed connection of installation pipe, reset spring's the other end and the fixed surface of release link are connected.
Further, the inner wall fixedly connected with guide bar of installation pipe, the surface at the guide bar is cup jointed in the release link activity, the surface activity of installation pipe is provided with the screw thread ring, the inner wall of screw thread ring and the surface threaded connection of detection pipe.
Further, fixed establishment includes first fixed plate, second fixed plate, arc pole and threaded rod, the fixed surface of first fixed plate is connected with the pull rod, the pull rod activity runs through the second fixed plate, arc pole and pull rod fixed connection, the one end of threaded rod is connected with the fixed surface of arc pole, the other end of threaded rod runs through the dead lever, the surperficial threaded connection of threaded rod has the tighrening ring, the surface of tighrening ring and the surface connection of dead lever.
Furthermore, the first fixing plate and the second fixing plate are both arc-shaped, rubber pads are fixedly connected to the surfaces of the first fixing plate and the second fixing plate, and the surfaces of the rubber pads are movably connected with the surface of the detection tube.
Further, the surface of the connecting frame is fixedly connected with the surface of the fixing rod, the connecting frame is movably sleeved on the surface of the threaded rod, and the surface of the connecting frame is fixedly connected with the surface of the first fixing plate.
Further, the inside of mount pad is provided with the gag lever post, the spacing groove has been seted up on the surface of dead lever, the inner wall of spacing groove and the surface swing joint of gag lever post, the surface activity of dead lever is provided with solid fixed ring, gu fixed ring's inner wall and the inner wall threaded connection of mount pad.
Further, the rack includes T shape pole, U-shaped pole, stripper plate and spacing spring, the fixed block has been cup jointed in the surface activity of T shape pole, the surface of fixed block and the fixed surface of leak detector body are connected, the surface at T shape pole is cup jointed in the activity of spacing spring, the one end of spacing spring and the surface swing joint of fixed block, the other end of spacing spring and the surface swing joint of T shape pole, the fixed surface of T shape pole one end and stripper plate is connected, the surface of U-shaped pole and the fixed surface of fixed block are connected, the surface of stripper plate and the surface swing joint of U-shaped pole.
Furthermore, a through groove is formed in the surface of the extrusion plate, the diameter of the through groove is larger than that of the threaded rod, and the through groove is used for fixing the threaded rod.
Further, a nanometer filter screen is arranged inside the connecting pipe, the surface of the nanometer filter screen is movably connected with the inner wall of the connecting pipe, the surface of the nanometer filter screen is also movably connected with the surface of the mounting pipe, a connecting ring is movably arranged on the surface of the connecting pipe, and the inner wall of the connecting ring is in threaded connection with the surface of the mounting pipe.
(III) advantageous effects
The invention has the following beneficial effects:
(1) the helium mass spectrometer leak detector capable of realizing high-pressure detection is characterized in that the reset rod, the sealing plate, the first fixing plate and the second fixing plate are arranged, after the detection tube is installed, the sealing plate is separated from the inner wall of the installation tube, the ventilation channel is opened, leak detection is convenient, when detection is not needed, the reset spring enables the reset plate to drive the sealing plate to move upwards, after the installation tube is installed, the first fixing plate and the second fixing plate can clamp the detection tube, the sealing plate can be always in close contact with the installation tube when detection is not conducted, the ventilation channel can be always kept unblocked when detection is conducted, the detection tube can be fixed firmly and is not easy to drag, the problem that when detection is not needed, a connector is often in an exposed environment, impurities contained in external gas can enter the interior and cause unnecessary influence on the internal structure of equipment is solved, and the test tube only uses the clamp connection, can make the test tube by the garnetting, can leak gas when causing high pressure detection, and then can appear the inaccurate problem of testing result.
(2) This can realize helium mass spectrometer leak detector of high pressure detection, through the mount pad all the time, gag lever post and spacing groove, the quantity of spacing groove is corresponding with the quantity of gag lever post, during the installation dead lever, the gag lever post can carry on spacingly to the dead lever, it is accurate to have reached the position installation that can make the dead lever, can not take place the skew, the atress of dead lever also can increase the dead lever simultaneously, prevent the dead lever because the striking effect that breaks away from with the mount pad easily, it can be owing to lack stop gear to have solved the fixed plate, lead to the installation angle inaccurate, cause the problem that the connecting pipe installation is not in place.
(3) This can realize helium mass spectrometer leak detector of high pressure detection, through setting up T shape pole, spacing spring, U-shaped pole and stripper plate, when need not examine time measuring, dismantle the dead lever, place on the U-shaped pole, fix through the stripper plate, when having reached to be convenient for dismantle the dead lever, can accomodate the effect of getting up the dead lever through the U-shaped pole, solved and need not examine time measuring, the dead lever may be because highly higher, influence the use of equipment, bring troublesome problem for operating personnel.
(4) This can realize helium mass spectrum leak detector of high pressure measuring, through the go-between, solid fixed ring and screw ring, the go-between is connected connecting pipe and installation pipe, solid fixed ring is connected mount pad and dead lever, the screw ring will install the pipe and be connected with the test tube, reached and be convenient for connect each subassembly, the effect of also convenient to detach simultaneously, solved the installation and dismantled inconvenient detection efficiency that leads to low, be not convenient for overhaul the problem of each subassembly.
(5) This helium mass spectrometer leak detector that can realize high pressure detection, through setting up the threaded rod, the tighrening ring, U-shaped pole and pull rod, rotate the advance and retreat that the tighrening ring can realize the threaded rod, and then make the U-shaped pole drive the pull rod motion, make first fixed plate step up or loosen the test tube, reached convenient to use, the effect of the quick fixed test tube of being convenient for, when having solved the test tube dismouting, first fixed plate and second fixed plate are inconvenient in time to step up or the problem of loosening the test tube.
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 view of the structure of the rack of the present invention;
FIG. 3 is a schematic view of the structure of the connecting frame of the present invention;
FIG. 4 is a schematic view of a fixing rod according to the present invention;
FIG. 5 is a schematic view of the structure of the mounting seat of the present invention;
FIG. 6 is a schematic view of the structure of the joint pipe according to the present invention;
FIG. 7 is a cross-sectional view of the present invention at the installation tube;
FIG. 8 is a schematic view of the internal structure of the installation tube of the present invention.
In the figure, 1, a leak detector body; 2. a connecting pipe; 3. installing a pipe; 4. a reset mechanism; 401. a return spring; 402. a reset lever; 403. a closing plate; 5. a detection tube; 6. a mounting seat; 7. fixing the rod; 8. a connecting frame; 9. a fixing mechanism; 901. a first fixing plate; 902. a second fixing plate; 903. an arcuate bar; 904. a threaded rod; 905. a pull rod; 906. a fastening ring; 10. placing a rack; 1001. a T-shaped rod; 1002. a U-shaped rod; 1003. a pressing plate; 1004. a limiting spring; 1005. a fixed block; 11. a guide bar; 12. a threaded ring; 13. a rubber pad; 14. a through groove; 15. a nano filter screen; 16. a connecting ring; 17. a limiting rod; 18. a limiting groove; 19. and (4) fixing the ring.
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 8, an embodiment of the present invention provides a technical solution: a helium mass spectrometer leak detector capable of realizing high-pressure detection comprises a leak detector body 1, wherein the surface of the leak detector body 1 is connected with a connecting pipe 2, the surface of the connecting pipe 2 is provided with an installation pipe 3, a resetting mechanism 4 is arranged inside the installation pipe 3, the resetting mechanism 4 is used for sealing the installation pipe 3, and the surface of the installation pipe 3 is connected with a detection pipe 5;
the surface of the leak detector body 1 is connected with an installation seat 6, the installation seat 6 is used for installing a fixed rod 7, the surface of the fixed rod 7 is provided with a fixing mechanism 9 through a connecting frame 8, and the fixing mechanism 9 is used for fixing the detection tube 5;
the surface of the leak detector body 1 is also provided with a placing frame 10, and the placing frame 10 is used for placing a fixing rod 7.
Specifically, the reset mechanism 4 includes a reset spring 401, a reset rod 402 and a closing plate 403, the closing plate 403 is fixedly connected to one end of the reset rod 402, the surface of the closing plate 403 is movably connected to the inner wall of the installation tube 3, one end of the reset spring 401 is fixedly connected to the inner wall of the installation tube 3, and the other end of the reset spring 401 is fixedly connected to the surface of the reset rod 402.
In this embodiment, when not carrying out the leak hunting, reset spring 401 is in compression state, can make release link 402 drive closing plate 403 to the trend of upward movement, and then makes closing plate 403 all the time with the inner wall in close contact with of installation pipe 3, can prevent that outside dust from entering into the inside of leak detector body 1, causes the pollution, after the installation of sense tube 5 is accomplished, closing plate 403 breaks away from the contact with the inner wall of installation pipe 3, and the passageway of ventilating is opened, is convenient for detect.
Specifically, the inner wall fixedly connected with guide bar 11 of installation pipe 3, release link 402 activity cup joints the surface at guide bar 11, the surface activity of installation pipe 3 is provided with threaded ring 12, the inner wall of threaded ring 12 and the surperficial threaded connection of detecting tube 5.
In this embodiment, release link 402 activity cup joints the surface at guide bar 11, and the shape of release link 402 is the T shape, and guide bar 11 can play the effect of direction to the motion of release link 402, can prevent to take place the skew when release link 402 moves, leads to reset spring 401 to distort, and guide bar 11 can make the motion of release link 402 more steady.
Specifically, the fixing mechanism 9 includes a first fixing plate 901, a second fixing plate 902, an arc rod 903 and a threaded rod 904, a pull rod 905 is fixedly connected to the surface of the first fixing plate 901, the pull rod 905 movably penetrates through the second fixing plate 902, the arc rod 903 is fixedly connected to the pull rod 905, one end of the threaded rod 904 is fixedly connected to the surface of the arc rod 903, the other end of the threaded rod 904 penetrates through the fixing rod 7, a fastening ring 906 is connected to the surface of the threaded rod 904 in a threaded manner, and the surface of the fastening ring 906 is connected to the surface of the fixing rod 7.
In this embodiment, after the detection tube 5 and the installation tube 3 are fixed, the fastening ring 906 is rotated, under the effect of the fastening ring 906, the threaded rod 904 pulls the arc rod 903 to move towards the direction away from the second fixing plate 902, the first fixing rod 7 is driven to move through the pull rod 905, the first fixing rod 7 extrudes the detection tube 5, the first fixing plate 901 and the second fixing rod 7 can play a certain protection role on the detection tube 5, and meanwhile, the detection tube 5 can be prevented from being torn off from the connection part with the installation tube 3.
Specifically, the first fixing plate 901 and the second fixing plate 902 are both arc-shaped, the surfaces of the first fixing plate 901 and the second fixing plate 902 are both fixedly connected with rubber pads 13, and the surfaces of the rubber pads 13 are movably connected with the surface of the detection tube 5.
In this embodiment, the cross-sectional shapes of the first fixing plate 901 and the second fixing plate 902 are approximately arc-shaped, the closed space formed by the first fixing plate 901 and the second fixing plate 902 is circular, and is matched with the shape of the detection tube 5, so that the first fixing plate 901 and the second fixing plate 902 can be better contacted with the detection tube 5, the rubber pad 13 can increase the friction force and play a role in buffering at the same time, the detection tube 5 is prevented from being stressed to deform too much, and a certain protection effect is exerted on the detection tube 5.
Specifically, the surface of the connecting frame 8 is fixedly connected with the surface of the fixing rod 7, the connecting frame 8 is movably sleeved on the surface of the threaded rod 904, and the surface of the connecting frame 8 is fixedly connected with the surface of the first fixing plate 901.
In this embodiment, the connecting frame 8 is U-shaped, and movably sleeved on the surface of the threaded rod 904 to connect the fixing rod 7 with the second fixing plate 902, and the U-shaped rod 1002 can protect the threaded rod 904 to a certain extent, so as to prevent the threaded rod 904 from bending and deforming due to the impact force from above.
Specifically, the inside of mount pad 6 is provided with gag lever post 17, spacing groove 18 has been seted up on the surface of dead lever 7, the inner wall of spacing groove 18 and gag lever post 17's surface swing joint, the surface activity of dead lever 7 is provided with solid fixed ring 19, gu fixed ring 19's inner wall and mount pad 6's inner wall threaded connection.
In this embodiment, the quantity of gag lever post 17 sets up to four, it is corresponding with spacing groove 18's quantity, be connected dead lever 7 with mount pad 6, gag lever post 17 can play spacing effect to dead lever 7, make the skew can not take place for the position of first fixed plate 901 and second fixed plate 902, lead to can not be accurate fix connecting pipe 2, gag lever post 17 can increase the stress point simultaneously, when dead lever 7 receives the striking, gag lever post 17 cooperation spacing groove 18, can increase the atress of dead lever 7, prevent that the fixed plate from droing from the junction with mount pad 6.
Specifically, the placing rack 10 comprises a T-shaped rod 1001, a U-shaped rod 1002, an extrusion plate 1003 and a limiting spring 1004, wherein a fixing block 1005 is sleeved on the surface of the T-shaped rod 1001 in a movable mode, the surface of the fixing block 1005 is fixedly connected with the surface of the leak detector body 1, the limiting spring 1004 is sleeved on the surface of the T-shaped rod 1001 in a movable mode, one end of the limiting spring 1004 is movably connected with the surface of the fixing block 1005, the other end of the limiting spring 1004 is movably connected with the surface of the T-shaped rod 1001, one end of the T-shaped rod 1001 is fixedly connected with the surface of the extrusion plate 1003, the surface of the U-shaped rod 1002 is fixedly connected with the surface of the fixing block 1005, and the surface of the extrusion plate 1003 is movably connected with the surface of the U-shaped rod 1002.
In this embodiment, under initial state, dead lever 7 is fixed on rack 10, when not needing the leak hunting, in order to prevent that the height of dead lever 7 is higher, leads to probably being strikeed easily, dismantles dead lever 7, places on rack 10 to carry out spacingly to it through stripper plate 1003.
Specifically, a through groove 14 is opened on the surface of the pressing plate 1003, the diameter of the through groove 14 is larger than that of the threaded rod 904, and the through groove 14 is used for fixing the threaded rod 904.
In this embodiment, the diameter of the through groove 14 is slightly larger than that of the threaded rod 904, and the threaded ring 12 can be limited through the through groove 14, so that the fixing rod 7 is limited and prevented from shaking.
Specifically, the inside of connecting pipe 2 is provided with nanometer filter screen 15, the surface of nanometer filter screen 15 and the inner wall swing joint of connecting pipe 2, the surface of nanometer filter screen 15 still with the surface swing joint of installation pipe 3, the surface activity of connecting pipe 2 is provided with go-between 16, the inner wall of go-between 16 and the surface threaded connection of installation pipe 3.
In this embodiment, when carrying out the leak hunting, the inside of leak detector body 1 can be entered into to the air in the external environment, in order to prevent that the impurity in the outside air from causing the influence to the structure of leak detector body 1 inside, sets up nano filter screen 15 in the inside of connecting pipe 2, filters the dust, protects leak detector body 1.
When the device works, the nanometer filter screen 15 is firstly placed inside the connecting pipe 2, then the mounting pipe 3 is butted with the connecting pipe 2, the connecting ring 16 is rotated, the connecting pipe 2 and the mounting pipe 3 are firmly fixed through the connecting ring 16, at the moment, the mounting pipe 3 extrudes the nanometer filter screen 15 to fix the nanometer filter screen 15, before the detection pipe 5 is not mounted, under the action of the reset spring 401, the closing plate 403 is tightly connected with the inner wall of the mounting pipe 3, in an initial state, the fixing rod 7 is fixed on the placing rack 10, the extrusion plate 1003 is pulled upwards, the extrusion plate 1003 drives the T-shaped rod 1001 to move upwards, the limit spring 1004 compresses, after the threaded rod 904 is separated from the through groove 14, the fixing rod 7 is taken down from the U-shaped rod 1002, the extrusion plate 1003 is loosened, the extrusion plate 1003 automatically resets under the reset action of the limit spring 1004, the positions of the limit grooves 18 correspond to the positions of the limit rods 17 one by one, the fixing ring 19 is rotated, the fixing rod 7 and the mounting seat 6 are fixed by the fixing ring 19, after the detecting tube 5 passes through the position between the first fixing plate 901 and the second fixing plate 902, after being inserted into the installation tube 3, the detection tube 5 presses the reset rod 402, the reset rod 402 compresses the reset spring 401, the closing plate 403 is separated from the inside of the installation tube 3, the ventilation channel is opened, then the screw ring 12 is rotated, the mounting tube 3 is fixed with the detection tube 5 through the screw ring 12, then the fastening ring 906 is rotated, the fastening ring 906 enables the threaded rod 904 to pull the arc-shaped rod 903 to move towards the direction far away from the second fixing plate 902, the arc-shaped rod 903 enables the first fixing plate 901 to move towards the direction close to the second fixing plate 902 through the pull rod 905, the rubber pad 13 contacts the detection tube 5, the detection tube 5 is fixed, whether all parts are fixed firmly is finally checked, and leakage detection is started after fixation is firm.
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 (10)
1. The utility model provides a can realize helium mass spectrometer leak detector of high pressure testing, includes leak detector body (1), its characterized in that: the leak detector comprises a leak detector body (1), and is characterized in that a connecting pipe (2) is connected to the surface of the leak detector body (1), an installation pipe (3) is arranged on the surface of the connecting pipe (2), a resetting mechanism (4) is arranged inside the installation pipe (3), the resetting mechanism (4) is used for sealing the installation pipe (3), and a detection pipe (5) is connected to the surface of the installation pipe (3);
the surface of the leak detector body (1) is connected with an installation seat (6), the installation seat (6) is used for installing a fixing rod (7), the surface of the fixing rod (7) is provided with a fixing mechanism (9) through a connecting frame (8), and the fixing mechanism (9) is used for fixing a detection tube (5);
the leak detector is characterized in that a placing frame (10) is further arranged on the surface of the leak detector body (1), and the placing frame (10) is used for placing a fixing rod (7).
2. A helium mass spectrometer leak detector capable of high pressure detection as claimed in claim 1, wherein: reset mechanism (4) include reset spring (401), release link (402) and closing plate (403), closing plate (403) fixed connection is in the one end of release link (402), the surface of closing plate (403) and the inner wall swing joint of installation pipe (3), the one end of reset spring (401) and the inner wall fixed connection of installation pipe (3), the other end of reset spring (401) and the fixed surface connection of release link (402).
3. A helium mass spectrometer leak detector capable of high pressure detection as claimed in claim 2, wherein: the inner wall fixedly connected with guide bar (11) of installation pipe (3), release link (402) activity cup joints the surface at guide bar (11), the surface activity of installation pipe (3) is provided with screw ring (12), the surface threaded connection of the inner wall of screw ring (12) and detection pipe (5).
4. A helium mass spectrometer leak detector capable of high pressure detection as claimed in claim 1, wherein: fixed establishment (9) include first fixed plate (901), second fixed plate (902), arc pole (903) and threaded rod (904), the fixed surface of first fixed plate (901) is connected with pull rod (905), pull rod (905) activity runs through second fixed plate (902), arc pole (903) and pull rod (905) fixed connection, the one end of threaded rod (904) and the fixed surface of arc pole (903) are connected, the other end of threaded rod (904) runs through dead lever (7), the surface threaded connection of threaded rod (904) has fastening ring (906), the surface of fastening ring (906) and the surface connection of dead lever (7).
5. A helium mass spectrometer leak detector capable of high pressure detection as claimed in claim 4, wherein: the first fixing plate (901) and the second fixing plate (902) are arc-shaped, rubber pads (13) are fixedly connected to the surfaces of the first fixing plate (901) and the second fixing plate (902), and the surfaces of the rubber pads (13) are movably connected with the surface of the detection tube (5).
6. A helium mass spectrometer leak detector capable of high pressure detection as claimed in claim 1, wherein: the surface of the connecting frame (8) is fixedly connected with the surface of the fixing rod (7), the connecting frame (8) is movably sleeved on the surface of the threaded rod (904), and the surface of the connecting frame (8) is fixedly connected with the surface of the first fixing plate (901).
7. A helium mass spectrometer leak detector capable of high pressure detection as claimed in claim 1, wherein: the utility model discloses a fixing device for fixing a car seat, including mount pad (6), the inside of mount pad (6) is provided with gag lever post (17), spacing groove (18) have been seted up on the surface of dead lever (7), the inner wall of spacing groove (18) and the surface swing joint of gag lever post (17), the surface activity of dead lever (7) is provided with solid fixed ring (19), the inner wall of solid fixed ring (19) and the inner wall threaded connection of mount pad (6).
8. A helium mass spectrometer leak detector capable of high pressure detection as claimed in claim 1, wherein: the leak detector is characterized in that the placing rack (10) comprises a T-shaped rod (1001), a U-shaped rod (1002), an extrusion plate (1003) and a limiting spring (1004), wherein a fixing block (1005) is sleeved on the surface of the T-shaped rod (1001), the surface of the fixing block (1005) is fixedly connected with the surface of the leak detector body (1), the limiting spring (1004) is movably sleeved on the surface of the T-shaped rod (1001), one end of the limiting spring (1004) is movably connected with the surface of the fixing block (1005), the other end of the limiting spring (1004) is movably connected with the surface of the T-shaped rod (1001), one end of the T-shaped rod (1001) is fixedly connected with the surface of the extrusion plate (1003), the surface of the U-shaped rod (1002) is fixedly connected with the surface of the fixing block (1005), and the surface of the extrusion plate (1003) is movably connected with the surface of the U-shaped rod (1002).
9. A helium mass spectrometer leak detector capable of high pressure detection as claimed in claim 8, wherein: a through groove (14) is formed in the surface of the extrusion plate (1003), the diameter of the through groove (14) is larger than that of the threaded rod (904), and the through groove (14) is used for fixing the threaded rod (904).
10. A helium mass spectrometer leak detector capable of high pressure detection as claimed in claim 1, wherein: the inside of connecting pipe (2) is provided with nanometer filter screen (15), the surface of nanometer filter screen (15) and the inner wall swing joint of connecting pipe (2), the surface of nanometer filter screen (15) still with the surface swing joint of installation pipe (3), the surface activity of connecting pipe (2) is provided with go-between (16), the inner wall of go-between (16) and the surface threaded connection of installation pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111184940.7A CN113916461A (en) | 2021-10-12 | 2021-10-12 | Helium mass spectrometer leak detector capable of realizing high-voltage detection |
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| CN202111184940.7A CN113916461A (en) | 2021-10-12 | 2021-10-12 | Helium mass spectrometer leak detector capable of realizing high-voltage detection |
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| CN113916461A true CN113916461A (en) | 2022-01-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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