CN108855251A - Hypobaric chamber - Google Patents
Hypobaric chamber Download PDFInfo
- Publication number
- CN108855251A CN108855251A CN201810442630.2A CN201810442630A CN108855251A CN 108855251 A CN108855251 A CN 108855251A CN 201810442630 A CN201810442630 A CN 201810442630A CN 108855251 A CN108855251 A CN 108855251A
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- Prior art keywords
- plate
- chamber
- vacuum chamber
- sheet frame
- test
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- 238000012360 testing method Methods 0.000 claims abstract description 91
- 239000011796 hollow space material Substances 0.000 claims description 2
- 238000011056 performance test Methods 0.000 abstract description 13
- 238000007789 sealing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a kind of hypobaric chambers,Including testing box main body,The chamber door that the test box main body includes laboratory and is located on front side of laboratory,Described chamber door one end is hinged on the left side of laboratory,The chamber door other end is connected to the right side of laboratory,The chamber door is equipped with gasket,The gasket is between laboratory and chamber door,The laboratory includes test cover and vacuum chamber,The test cover and the equal front openings of vacuum chamber,The test cover leading flank is equipped with sheet frame identical with test cover opening shape,The sheet frame opening is located at test cover opening in the projection of perpendicular in the projection of perpendicular,The vacuum chamber front end is fixed in sheet frame and vacuum chamber front end is stretched out outside sheet frame,There is gap in five faces of the vacuum chamber between test cover,The present invention provides a kind of hypobaric chamber that good seal performance makes the accuracy rate of performance test high.
Description
Technical field
The present invention relates to test products technical field field more particularly to hypobaric chambers.
Background technique
Low-atmospheric pressure test system (or chamber) is widely used in the fields such as Aeronautics and Astronautics, information, electronics, is mainly used to
Carry out instrument and meter, electric product, material, components or equipment low pressure, high temperature, low temperature individual event or simultaneously act under
Environmental suitability and reliability test.For example, low-atmospheric pressure test system (or chamber) can with simulated high altitude height above sea level weather or
The specific conditions such as aeroclimate, test specimen is placed in one, and can carry out corresponding performance test, low pressure to test specimen
The sealing performance of environmental test chamber is critically important, this is related to the accuracy rate of performance test, according to the prior art, hypobaric test
The accuracy rate of the poor sealing performance of case, performance test is low.
Summary of the invention
The technical problem to be solved by the present invention is to：The defect for overcoming the above prior art provides a kind of good seal performance
So that the hypobaric chamber that the accuracy rate of performance test is high.
The technical solution adopted by the present invention is that：A kind of hypobaric chamber, including test box main body, the examination
Tryoff main body includes laboratory and the chamber door that is located on front side of laboratory, and described chamber door one end is hinged on the left side of laboratory, institute
The chamber door other end stated is connected to the right side of laboratory, and the chamber door is equipped with gasket, and the gasket is located at test
Between room and chamber door, the laboratory includes test cover and vacuum chamber, the test cover and the equal front openings of vacuum chamber, institute
The test cover leading flank stated is equipped with sheet frame identical with test cover opening shape, projection of the sheet frame opening in perpendicular
Positioned at test cover opening in the projection of perpendicular, the vacuum chamber front end is fixed in sheet frame and vacuum chamber front end is stretched out
Outside sheet frame, there is gap in five faces of the vacuum chamber between test cover, and the gap and chamber body exterior connect
Logical, the gasket is located at the position that sheet frame is contacted with vacuum chamber, and the gasket is described between sheet frame and chamber door
Sheet frame and chamber door between be equipped with automatic adjustment chamber door and be pressed in the self-regulation device of the tightness on sheet frame.
After using the above structure, compared with the prior art, the present invention has the following advantages：Test specimen is placed on laboratory
It is interior to carry out corresponding performance test, it needs to keep vacuum state in laboratory, tests indoor sealing performance and directly affect performance
Laboratory is divided into test cover and vacuum chamber, vacuumizes in vacuum chamber, set sheet frame on front side of test cover, allow by the accuracy rate of test
Vacuum chamber front end is fixed in sheet frame, thus allows upper surface, the left and right side of vacuum chamber, bottom surface and trailing flank respectively with examination
Upper surface, the left and right side of cover are tested, there are gap in bottom surface (being also possible to bottom, lower hollow) and trailing flank, in sheet frame and case
Gasket is set between door, due to being vacuum in vacuum chamber, and is atmospheric pressure outside vacuum chamber, the indoor vacuum state of vacuum can be close
Packing is sucked on sheet frame, since there is gap in five faces of vacuum chamber between test cover, while plate is stretched out on front side of vacuum chamber
Frame forms protrusion, and the contact area of gasket and vacuum chamber also increases simultaneously for the contact area increase of such gasket and outside air
Greatly, the vacuum state of vacuum chamber can more inhale gasket on sheet frame, be in from dummy status, also between test cover and vacuum chamber
It is that vacuum chamber is fixed on sheet frame, vacuum chamber is not contacted with laboratory, and such atmospheric pressure can be tightly pressed against gasket on sheet frame,
Vacuum chamber can inhale gasket on sheet frame, good seal performance, so that the accuracy rate of performance test is high.
Preferably, the self-regulation device refers to that it further includes hinge and hinge bar, the hinge includes first
Plate and the second plate being hinged with the first plate, first plate are located at sheet frame left side, and second plate is located at chamber door
Left side, the side of nearly second plate of first plate are equipped with the first protrusion, the side difference of nearly first plate of second plate
If described second convexes to form open slot of the opening towards the first plate, first protrusion there are two the second protrusion
It is stretched outside in open slot, first protrusion is radially equipped with first through hole, and second protrusion is radially equal
Equipped with the second through-hole, the both ends of the hinge bar are located in the second through-hole, and the middle section of the hinge bar is located at first
In through-hole, the cross-sectional shape of second through-hole is waist through hole, and the hinge bar can move front and back in the second through-hole
Dynamic, the hinge bar can drive the first protrusion to be moved forward and backward in open slot, and structure is simple, in a practical situation low pressure ring
Border chamber can be pressed in the tightness on sheet frame according to the air pressure of vacuum chamber come automatic control stuff box door and ensure the close of vacuum chamber
Feng Xing, when the air pressure of vacuum chamber becomes larger, chamber door is moved toward the direction far from vacuum chamber, and chamber door drives the second plate to move forward,
When the air pressure of vacuum chamber becomes smaller, chamber door is moved toward the direction of vacuum chamber, and chamber door drives the second plate to move backward, due to second logical
Hole is waist through hole, and hinge bar is always situated in the second through-hole, that is to say, that due to there is the presence of the second through-hole, the second plate can be former
After move, automatic adjustment chamber door be pressed in the tightness on sheet frame, high reliablity, good seal performance.
Preferably, first plate is equipped at least two the first fixation holes for being used to fix the first plate, it is described
First fixation hole is waist through hole, and the axis of first fixation hole along its length is perpendicular to horizontal plane, adjustable the
The upper and lower position of one plate, convenient for different installation site requirements.
Preferably, second plate is equipped at least two the second fixation holes for being used to fix the second plate, it is described
Second fixation hole is waist through hole, and the axis of second fixation hole along its length is parallel to horizontal plane, adjustable the
The front-rear position of two plates, convenient for adjusting the spacing between the second plate and the first plate, to adjust the pine between chamber door and vacuum chamber
Tight degree, easy to use, high reliablity.
Preferably, the self-regulation device refers to that it further includes the door lock for controlling door switch, the door lock packet
Jam plate and lock are included, the jam plate is located at sheet frame right side, and the lock is located at chamber door right side, sets on the jam plate
There is sliding slot, the axis of the sliding slot is parallel to horizontal plane, and closing piece is sliding combined in the sliding slot, is set in the sliding slot
There is spring, the spring one end is fixed in sliding slot, and the spring other end is fixed on closing piece, is set on the lock
There is handle, described handle one end is rotatably assorted on lock, and the handle other end may be stuck on closing piece, the closing piece
The synchronizing moving when handle is moved forward and backward, structure is simple, and hypobaric chamber can be according to vacuum chamber in a practical situation
Air pressure comes the tightness that automatic control stuff box door is pressed on sheet frame and the leakproofness for ensuring vacuum chamber, when the air pressure of vacuum chamber becomes larger
When, the past direction far from vacuum chamber of chamber door moves, and chamber door drives lock to move forward, and it latches while handle being driven to move forward,
Handle drives closing piece to be slidably fitted in sliding slot, and the spring for being at this moment connected to closing piece is compressed, when the air pressure of vacuum chamber becomes smaller,
Chamber door is moved toward the direction of vacuum chamber, and chamber door drives lock to move backward, latches while handle being driven to move backward, the bullet of spring
Power drives closing piece to be slidably fitted in sliding slot, and automatic adjustment chamber door is pressed in the tightness on sheet frame, high reliablity, sealing performance
It is good.
Preferably, the closing piece upper surface is equipped with cylindrical protrusions, the handle other end is hook, described
The bar portion of hook is located in cylindrical protrusions and the hook portion of hook is hooked in cylindrical protrusions side, convenient for opening and lockking chamber door,
Structure is simple.
Preferably, being equipped with the rack for placing test box main body, the rack below the test box main body
It is connected in bottom and test cover, the test cover upper end is hollow, and the test cover upper end inner sidewall is equipped with support plate, institute
The support plate stated is equipped with the cover board for covering test cover upper end hollow space, between increasing between vacuum chamber and test cover
Gap enables gasket preferably to seal up vacuum chamber, and effect is good, and the left side and rear side for testing cover can also cover upper end with test
Structure is equally hollow while cover board is arranged, and hollow can be not provided with cover board under test cover.
Preferably, the support plate is respectively distributed on four angles of test cover, the support plate cross section
Shape is triangle, and structure is simple.
Preferably, the length that the vacuum chamber front end is stretched out outside sheet frame is 5 millimeters~30 millimeters, guarantee gasket most
Limits seal up chamber door and vacuum chamber.
Preferably, the length that the vacuum chamber front end is stretched out outside sheet frame is 10 millimeters~25 millimeters, preferably 15,19 and
22 millimeters, effect is best.
Detailed description of the invention
Fig. 1 is the perspective view of hypobaric chamber of the present invention.
Fig. 2 is the perspective view of another angle of hypobaric chamber of the present invention.
Fig. 3 is the perspective view of hypobaric chamber the first plate and the second plate of the present invention.
Fig. 4 is the cross-sectional view of hypobaric chamber the first plate and the second plate of the present invention.
Fig. 5 is the perspective view of hypobaric chamber jam plate and lock of the present invention.
Fig. 6 is the perspective view that chamber door, cover board and gasket are removed in hypobaric chamber of the present invention.
Fig. 7 is the perspective view that chamber door is removed in hypobaric chamber of the present invention.
Wherein, 1, test box main body, 2, laboratory, 3, chamber door, 4, gasket, 5, test cover, 6, vacuum chamber, 7, sheet frame,
8, hinge, 9, door lock, the 10, first plate, the 11, second plate, the 12, first protrusion, the 13, second protrusion, 14, first through hole, 15, second
Through-hole, 16, hinge bar, 17, jam plate, 18, lock, the 19, first fixation hole, the 20, second fixation hole, 21, sliding slot, 22, handle,
23, closing piece, 24, hook, 25, cylindrical protrusions, 26, rack, 27, cover board, 28, support plate.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
As shown, the present invention provides a kind of hypobaric chamber, including test box main body 1, the chamber
Main body 1 includes laboratory 2 and the chamber door 3 for being located at 2 front side of laboratory, and described 3 one end of chamber door is hinged on the left side of laboratory 2,
3 other end of chamber door is connected to the right side of laboratory 2, and the chamber door 3 is equipped with gasket 4, the gasket 4
Between laboratory 2 and chamber door 3, the laboratory 2 includes test cover 5 and vacuum chamber 6, the test cover 5 and vacuum chamber 6
Equal front openings, 5 leading flank of test cover are equipped with sheet frame 7 identical with test 5 opening shapes of cover, and the sheet frame 7 is opened
Mouth is located at test cover 5 in the projection of perpendicular and is open in the projection of perpendicular, and 6 front end of vacuum chamber is fixed on plate
It is connected to outside in the frame 7 and 6 front end gap Shen Jianyou of vacuum chamber, the gap and test box main body 1, the gasket 4 is set
In the position that sheet frame 7 is contacted with vacuum chamber 6, the gasket 4 is between sheet frame 7 and chamber door 3, the sheet frame 7 and case
The self-regulation device that automatic adjustment chamber door 3 is pressed in the tightness on sheet frame 7 is equipped between door 3, it is an advantage of the invention that examination
It tests sample and is placed on the corresponding performance test of progress in laboratory 2, need to keep vacuum state in laboratory 2, it is close in laboratory 2
Sealing property directly affects the accuracy rate of performance test, and laboratory 2 is divided and covers 5 and vacuum chamber 6 for test, is vacuumized in vacuum chamber 6,
Test cover 5 front side set sheet frame 7, allow 6 front end of vacuum chamber to be fixed in sheet frame 7, thus allow vacuum chamber 6 upper surface, left and right
Respectively with the upper surface of test cover 5, left and right side, bottom surface (is also possible to bottom, in bottom for side, bottom surface and trailing flank
It is empty) and trailing flank have gap, gasket 4 is set between sheet frame 7 and chamber door 3, due to being vacuum in vacuum chamber 6, and outside vacuum chamber 6
Atmospheric pressure, the vacuum state in vacuum chamber 6 gasket 4 can be sucked on sheet frame 7, due to vacuum chamber 6 five faces with
There is gap between test cover 5, while stretching out sheet frame 7 on front side of vacuum chamber 6 and forming protrusion, such gasket 4 connects with outside air
Contacting surface product increases gasket 4 and the contact area of vacuum chamber 6 simultaneously and also increases, and the vacuum state of vacuum chamber 6 more can be gasket 4
It inhales on sheet frame 7, is between test cover 5 and vacuum chamber 6 and is fixed on sheet frame 7 from dummy status, that is, vacuum chamber 6, vacuum
Room 6 is not contacted with laboratory 5, and such atmospheric pressure can be tightly pressed against gasket 4 on sheet frame 7, and vacuum chamber 6 can inhale gasket 4
On sheet frame 7, good seal performance, so that the accuracy rate of performance test is high.
The self-regulation device refers to that it further includes hinge 8 and hinge bar 16, and the hinge 8 includes 10 He of the first plate
The second plate 11 being hinged with the first plate 10, first plate 10 are located at 7 left side of sheet frame, and second plate 11 is located at
The side of 3 left side of chamber door, nearly second plate 11 of the first plate 10 is equipped with the first protrusion 12, second plate 11 nearly first
The side of plate 10 is respectively equipped with two the second protrusions 13, and second protrusion 13 forms opening opening towards the first plate 10
Mouth slot, first protrusion 12 are stretched outside in open slot, and first protrusion 12 is radially equipped with first through hole 14, institute
The second protrusion 13 stated radially is equipped with the second through-hole 15, and the both ends of the hinge bar 16 are located at the second through-hole 15
Interior, the middle section of the hinge bar 16 is located in first through hole 14, and the cross-sectional shape of second through-hole 15 is waist
Shape through-hole, the hinge bar 16 can be moved forward and backward in the second through-hole 15, and the hinge bar 16 can drive the first protrusion 12
Be moved forward and backward in open slot, structure is simple, in a practical situation hypobaric chamber can according to the air pressure of vacuum chamber 6 come
The tightness that chamber door 3 is pressed on sheet frame 7 and the leakproofness for ensuring vacuum chamber 6 are automatically adjusted, when the air pressure of vacuum chamber 6 becomes larger
When, chamber door 3 is moved toward the direction far from vacuum chamber 6, and chamber door 3 drives the second plate 11 to move forward, when the air pressure of vacuum chamber 6 becomes smaller
When, chamber door 3 is moved toward the direction of vacuum chamber 6, and chamber door 3 drives the second plate 11 to move backward, since the second through-hole 15 is logical for kidney-shaped
Hole, hinge bar 16 is always situated in the second through-hole 15, that is to say, that due to there is the presence of the second through-hole 15, the second plate 11 can be former
After move, automatic adjustment chamber door 3 be pressed in the tightness on sheet frame 7, high reliablity, good seal performance.
The first fixation holes 19 that first plate 10 is used to fix the first plate 10 equipped at least two, described first
Fixation hole 19 is waist through hole, and the axis of first fixation hole 19 along its length is perpendicular to horizontal plane, adjustable the
The upper and lower position of one plate 10, convenient for different installation site requirements.
The second fixation holes 20 that second plate 11 is used to fix the second plate 11 equipped at least two, described second
Fixation hole 20 is waist through hole, and the axis of second fixation hole 20 along its length is parallel to horizontal plane, adjustable the
The front-rear position of two plates 11, convenient for adjusting the spacing between the second plate 11 and the first plate 10, to adjust chamber door 3 and vacuum chamber 6
Between tightness, easy to use, high reliablity.
The self-regulation device refers to that it further includes the door lock 9 for controlling chamber door 3 and switching, and the door lock 9 includes jam plate
17 and lock 18, the jam plate 17 is located at 7 right side of sheet frame, and the lock 18 is located at 3 right side of chamber door, the jam plate
17 are equipped with sliding slot 21, and the axis of the sliding slot 21 is parallel to horizontal plane, is sliding combined with closing piece 23 in the sliding slot 21,
Spring is equipped in the sliding slot 21, the spring one end is fixed in sliding slot 21, and the spring other end is fixed on lock
On block 23, the lock 18 is equipped with handle 22, and described 22 one end of handle is rotatably assorted on lock 18, the handle
22 other ends may be stuck on closing piece 23, and the closing piece 23 synchronizing moving when handle 22 is moved forward and backward, structure is simple, in reality
Hypobaric chamber can be pressed in the tightness on sheet frame 7 according to the air pressure of vacuum chamber 6 in situation come automatic control stuff box door 3
And ensure the leakproofness of vacuum chamber 6, when the air pressure of vacuum chamber 6 becomes larger, chamber door 3 is moved toward the direction far from vacuum chamber 6, chamber door
3 drive lock 18 to move forward, and lock 18 drives handle 22 to move forward simultaneously, and handle 22 drives closing piece 23 to be slidably fitted in cunning
In slot 21, the spring for being at this moment connected to closing piece 23 is compressed, and when the air pressure of vacuum chamber 6 becomes smaller, chamber door 3 is toward the side of vacuum chamber 6
To movement, chamber door 3 drives lock 18 to move backward, and lock 18 drives handle 22 to move backward simultaneously, and the elastic force of spring drives lock
Block 23 is slidably fitted in sliding slot 21, and automatic adjustment chamber door 3 is pressed in the tightness on sheet frame 7, high reliablity, sealing performance
It is good.
23 upper surface of closing piece is equipped with cylindrical protrusions 25, and 22 other end of handle is hook 24, described
The bar portion of hook 24 is located in cylindrical protrusions 25 and the hook portion of hook 24 is hooked in 25 side of cylindrical protrusions, convenient for opening and lock
Firmly chamber door 3, structure are simple.
The rack 26 for placing test box main body 1,26 bottom of rack are equipped with below the test box main body 1
It being connected to in test cover 5,5 upper end of test cover is hollow, and the 5 upper end inner sidewall of test cover is equipped with support plate 28,
The support plate 28 is equipped with the cover board 27 for covering test 5 upper end hollow spaces of cover, increases vacuum chamber 6 and test cover 5
Between gap, enable gasket 4 preferably to seal up vacuum chamber 6, effect is good, and the left side of test cover 5 and rear side can also be with
Hollow as test 5 upper end formations of cover that cover board 27 is arranged simultaneously, test can be hollow under covering 5 but be not provided with cover board 27.
The support plate 28 is respectively distributed on four angles of test cover 5, the shape of 28 cross section of support plate
For triangle, structure is simple.
The length that 6 front end of vacuum chamber is stretched out outside sheet frame 7 is 5 millimeters~30 millimeters, guarantees gasket 4 to greatest extent
Seal up chamber door 3 and vacuum chamber 6.
The length that 6 front end of vacuum chamber is stretched out outside sheet frame 7 is 10 millimeters~25 millimeters, preferably 15,19 and 22 millimeters,
Effect is best.
Specifically, the principle of the present invention is test specimen to be placed in laboratory 2 to carry out corresponding performance test, test
It needs to keep vacuum state in room 2, the sealing performance in laboratory 2 directly affects the accuracy rate of performance test, divides laboratory 2
5 and vacuum chamber 6 are covered for test, are vacuumized in vacuum chamber 6, sheet frame 7 is set in 5 front side of test cover, 6 front end of vacuum chamber is allowed to be fixed on plate
In frame 7, thus allow upper surface, the left and right side of vacuum chamber 6, bottom surface and trailing flank respectively with the upper surface of test cover 5, a left side
There are gap in right side, bottom surface (being also possible to bottom, lower hollow) and trailing flank, set gasket between sheet frame 7 and chamber door 3
4, it due to being vacuum in vacuum chamber 6, and is atmospheric pressure outside vacuum chamber 6, gasket 4 can be sucked in the vacuum state in vacuum chamber 6
On sheet frame 7, since there is gap in five faces of vacuum chamber 6 between test cover 5, while 7 shape of sheet frame is stretched out on front side of vacuum chamber 6
At protrusion, gasket 4 and the contact area of vacuum chamber 6 also increase simultaneously for the contact area increase of such gasket 4 and outside air
Greatly, the vacuum state of vacuum chamber 6 can more inhale gasket 4 on sheet frame 7, in from empty shape between test cover 5 and vacuum chamber 6
State, that is, vacuum chamber 6 are fixed on sheet frame 7, and vacuum chamber 6 is not contacted with laboratory 5, and such atmospheric pressure can be tight gasket 4
It is pressed on sheet frame 7, gasket 4 can be inhaled the good seal performance, so that the accuracy rate of performance test on sheet frame 7 by vacuum chamber 6
It is high.
Preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This hair
Bright to be not only limited to above embodiments, specific structure is allowed to vary, all institutes in the protection scope of demand for independence of the present invention
The various change of work is within the scope of the invention.
Claims (10)
1. a kind of hypobaric chamber, including test box main body (1), the test box main body (1) includes laboratory (2)
With the chamber door (3) being located on front side of laboratory (2), the chamber door (3) one end is hinged on the left side of laboratory (2), the case
Door (3) other end is connected to the right side of laboratory (2), and the chamber door (3) is equipped with gasket (4), the gasket (4)
Between laboratory (2) and chamber door (3), it is characterised in that：The laboratory (2) includes test cover (5) and vacuum chamber
(6), the test cover (5) and vacuum chamber (6) equal front openings, test cover (5) leading flank, which is equipped with, covers (5) with test
The identical sheet frame of opening shape (7), the sheet frame (7) opening are located at test cover (5) opening in the projection of perpendicular and are erecting
In the projection of straight plane, the vacuum chamber (6) front end is fixed in sheet frame (7) and sheet frame (7) are stretched out in vacuum chamber (6) front end
Outside, there is gap in five faces of the vacuum chamber (6) between test cover (5), and the gap and test box main body (1) are outside
Portion's connection, the gasket (4) are located at the position that sheet frame (7) is contacted with vacuum chamber (6), and the gasket (4) is located at plate
Automatic adjustment chamber door (3) is equipped between frame (7) and chamber door (3), between the sheet frame (7) and chamber door (3) to be pressed on sheet frame (7)
Tightness self-regulation device.
2. hypobaric chamber according to claim 1, it is characterised in that：The self-regulation device refers to it also
Including hinge (8) and hinge bar (16), the hinge (8) include the first plate (10) and be hinged with the first plate (10) the
Two plates (11), first plate (10) are located at sheet frame (7) left side, and second plate (11) is located at chamber door (3) left side,
The side of nearly second plate (11) of first plate (10) is equipped with first raised (12), nearly first plate of the second plate (11)
(10) side is respectively equipped with two second raised (13), and described second raised (13) form an opening towards the first plate
(10) open slot, described first raised (12) are stretched outside in open slot, and described first raised (12) are radially equipped with
First through hole (14), described second raised (13) are radially equipped with the second through-hole (15), the hinge bar (16)
Both ends be located in the second through-hole (15), it is interior that the middle section of the hinge bar (16) is located at first through hole (14), described
The cross-sectional shape of second through-hole (15) is waist through hole, and the hinge bar (16) can move front and back in the second through-hole (15)
Dynamic, the hinge bar (16) can drive first raised (12) to be moved forward and backward in open slot.
3. hypobaric chamber according to claim 2, it is characterised in that：First plate (10) is equipped with extremely
Few two are used to fix the first fixation hole (19) of the first plate (10), and first fixation hole (19) is waist through hole, described
The first fixation hole (19) axis along its length perpendicular to horizontal plane.
4. hypobaric chamber according to claim 2, it is characterised in that：Second plate (11) is equipped with extremely
Few two are used to fix the second fixation hole (20) of the second plate (11), and second fixation hole (20) is waist through hole, described
The second fixation hole (20) axis along its length be parallel to horizontal plane.
5. hypobaric chamber according to claim 1, it is characterised in that：The self-regulation device refers to it also
Door lock (9) including control chamber door (3) switch, the door lock (9) include jam plate (17) and lock (18), the jam plate
(17) it is located at sheet frame (7) right side, the lock (18) is located at chamber door (3) right side, and the jam plate (17), which is equipped with, to be slided
Slot (21), the axis of the sliding slot (21) are parallel to horizontal plane, are sliding combined with closing piece (23), institute in the sliding slot (21)
Spring is equipped in the sliding slot (21) stated, the spring one end is fixed in sliding slot (21), and the spring other end is fixed on
On closing piece (23), the lock (18) is equipped with handle (22), and the handle (22) one end is rotatably assorted in lock (18)
On, the handle (22) other end may be stuck on closing piece (23), and the closing piece (23) is same when handle (22) are moved forward and backward
Moved further.
6. hypobaric chamber according to claim 5, it is characterised in that：Described closing piece (23) upper surface is equipped with
Cylindrical protrusions (25), the handle (22) other end are hook (24), and the bar portion of the hook (24) is located at cylinder
On raised (25) and the hook portion of hook (24) is hooked in cylindrical protrusions (25) side.
7. hypobaric chamber according to claim 1, it is characterised in that：Below the test box main body (1)
Equipped with the rack (26) for placing test box main body (1), it is connected in the rack (26) bottom and test cover (5), it is described
Test cover (5) upper end it is hollow, test cover (5) the upper end inner sidewall is equipped with support plate (28), the support plate
(28) it is equipped with the cover board (27) for covering test cover (5) upper end hollow space.
8. hypobaric chamber according to claim 7, it is characterised in that：The support plate (28) is distributed respectively
On four angles of test cover (5), the shape of the support plate (28) cross section is triangle.
9. hypobaric chamber according to claim 1, it is characterised in that：Vacuum chamber (6) front end is stretched out
The length of sheet frame (7) outside is 5 millimeters~30 millimeters.
10. hypobaric chamber according to claim 9, it is characterised in that：Vacuum chamber (6) front end is stretched out
The length of sheet frame (7) outside is 10 millimeters~25 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442630.2A CN108855251B (en) | 2018-05-10 | 2018-05-10 | Low-pressure environment test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442630.2A CN108855251B (en) | 2018-05-10 | 2018-05-10 | Low-pressure environment test box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108855251A true CN108855251A (en) | 2018-11-23 |
| CN108855251B CN108855251B (en) | 2024-01-30 |
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ID=64333656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810442630.2A Active CN108855251B (en) | 2018-05-10 | 2018-05-10 | Low-pressure environment test box |
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| Country | Link |
|---|---|
| CN (1) | CN108855251B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112461993A (en) * | 2020-10-19 | 2021-03-09 | 芜湖赛宝机器人产业技术研究院有限公司 | Temperature and humidity vibration comprehensive test device for environment detection |
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| CN108855251B (en) | 2024-01-30 |
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