CN113944417A - Shielding pneumatic sector door - Google Patents
Shielding pneumatic sector door Download PDFInfo
- Publication number
- CN113944417A CN113944417A CN202110976507.0A CN202110976507A CN113944417A CN 113944417 A CN113944417 A CN 113944417A CN 202110976507 A CN202110976507 A CN 202110976507A CN 113944417 A CN113944417 A CN 113944417A
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- China
- Prior art keywords
- door body
- door
- straight
- rack
- shielding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 10
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 3
- 238000007906 compression Methods 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 23
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 239000010949 copper Substances 0.000 claims description 21
- 239000004744 fabric Substances 0.000 claims description 10
- 244000273256 Phragmites communis Species 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/18—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against harmful radiation
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
- E05B51/02—Operating or controlling locks or other fastening devices by other non-mechanical means by pneumatic or hydraulic means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/16—Locks or fastenings with special structural characteristics with the handles on opposite sides moving independently
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
- F16H19/043—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack for converting reciprocating movement in a continuous rotary movement or vice versa, e.g. by opposite racks engaging intermittently for a part of the stroke
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a shielding pneumatic sector door, which comprises a door frame and a door body, wherein the door body is hinged on the door frame, an outer handle is rotatably connected to the door body, and the outer handle penetrates through the door body through a rotating shaft and is connected with an inner handle; according to the invention, the first straight rack, the second straight rack and the straight gear are driven by the cylinder to perform reciprocating linear conduction, the first straight rack, the second straight rack, the connecting rod and the limiting rod are subjected to limiting guide through the needle bearing and the linear bearing, two groups of inner bearings are sleeved on the rotating shaft to ensure that the rotating shaft is stable in position and can be better connected with the straight gear to rotate, so that the structural stability is improved, the conical cutter and the L-shaped cutter are matched with the beryllium copper reed, and the conical cutter and the L-shaped cutter are respectively in uniform compression contact with the beryllium copper reed on the inner side of the double-U-shaped groove, so that the periphery has a continuous conduction function, electromagnetic waves cannot interfere and enter the inside, the shielding effect between the door frame and the door body is improved, the shielding door can be directly opened by manual operation, and the safety is higher.
Description
Technical Field
The invention relates to the technical field of shielding doors for shielding rooms, in particular to a shielding pneumatic sector door.
Background
The shielding room mainly has the functions of isolating from external electromagnetic interference and ensuring normal work of indoor electronic and electrical equipment, particularly in the metering and testing work of electronic elements and electrical equipment, an electromagnetic shielding room or a darkroom is utilized to simulate an ideal electromagnetic environment, the accuracy of a detection result can be improved, the shielding room blocks indoor electromagnetic radiation from diffusing to the outside, a strong electromagnetic radiation source is shielded and isolated to prevent interference on normal work of other electronic and electrical equipment and even damage to the health of workers, a shell of the shielding room is formed by assembling high-quality cold-rolled galvanized steel plate modules, an electromagnetic leakage prevention shielding door, a special ventilation waveguide window, a transmission and fire-fighting waveguide tube are installed, and the shielding quality of the shielding door directly influences the shielding effect of the whole shielding room;
the shielding door for the existing shielding room is mostly single in structure, the problems of poor shielding performance and unstable mechanical structure easily occur due to frequent opening and closing in the using process, the normal service life of the shielding door is shortened, the use is inconvenient, the traditional shielding door cannot be manually opened under the condition that air supply is suddenly unavailable or mechanical faults occur, and the safety is low, so that the shielding pneumatic sector door provided by the invention is used for solving the problems in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a shielding pneumatic sector door, in which a cylinder drives a first spur gear, a second spur gear and a spur gear to perform reciprocating linear conduction, a needle bearing and a linear bearing are used for limiting and guiding, two sets of inner bearings are sleeved on a rotating shaft to ensure stable position of the rotating shaft, and the rotating shaft can be better connected with the spur gear to rotate, so as to improve structural stability.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: a shielding pneumatic sector door comprises a door frame and a door body, wherein the door body is hinged on the door frame, the door body is rotatably connected with an outer handle which penetrates through the door body through a rotating shaft and is connected with an inner handle, a straight gear is sleeved on one side of the rotating shaft close to the outer handle, the left side and the right side of the straight gear are respectively connected with a first straight rack and a second straight rack in a meshed manner, the second straight rack is driven by the cylinder, the upper end and the lower end of the first straight rack are both fixed with a connecting rod, the door body is symmetrically provided with a limiting guide box, one end of the connecting rod, which is far away from the first straight rack, extends into the limiting guide box and is connected with a limiting guide rod which is connected with the limiting guide box in a sliding way, one end of the limiting guide rod and one end of the connecting rod extend to the outside of the limiting guide box and are connected with a locking rod, and a locking groove matched with the locking rod is formed in the door frame.
The further improvement lies in that: the cylinder is located the top and the output of second spur rack on the door body and is connected with second spur rack top, the cylinder top is equipped with pneumatic control module, pneumatic control module's right side is equipped with shielding air pipe joint, the outside cover of shielding air pipe joint is equipped with little housing, the right side of little housing is equipped with the tow chain, one side that the tow chain was kept away from to the door frame is equipped with access control system, access control system is connected with the tow chain through the wire casing.
The further improvement lies in that: the hinge structure is characterized in that a hinge seat is arranged at the hinged position of the door frame and the door body, a hinge is hinged to the hinge seat, one end, far away from the hinge seat, of the hinge is fixedly connected with the door body, and a polyurethane limiting block is fixed on the hinge seat.
The further improvement lies in that: one side that straight-teeth gear was kept away from to first straight-teeth rack and second straight-teeth rack all is equipped with spacing seat, be equipped with the bearing with first straight-teeth rack and the laminating of second straight-teeth rack on the spacing seat, second straight-teeth rack bottom mounting has a gag lever post, all the cover is equipped with linear bearing on gag lever post and the connecting rod that is located first straight-teeth rack top.
The further improvement lies in that: one side that the door body is close to the straight-teeth gear is equipped with the outer casing, the left upper portion of outer casing is equipped with the mechanical valve that is used for control cylinder, be equipped with the contact support that matches with the mechanical valve on the door frame, be equipped with outer handle and outer button on the outer casing, interior handle top is equipped with interior handle and interior button.
The further improvement lies in that: the inner side of the bearing fixing plate and the inner side of the outer disc are respectively provided with an inner bearing sleeved on the rotating shaft, the rotating shaft is positioned on one side, far away from the bearing fixing plate, of the inner part of the door body and is sleeved with a copper plate, the door frame is provided with double U-shaped grooves, one side, close to the door frame, of the door body is provided with a conical cutter and an L-shaped cutter which are matched with the double U-shaped grooves, beryllium copper reeds are arranged between the conical cutter and the L-shaped cutter and between the conical cutter and the double U-shaped grooves, and two sides of the conical cutter and the L-shaped cutter are in uniform compression contact with the beryllium copper reeds.
The further improvement lies in that: one side that toper sword and L type sword are close to the door body all is equipped with the flat board and inhales ripples cotton, all be equipped with shielding copper cloth between copper and the internal wall of door, between door frame and the hinge seat, between door body and the hinge, between two U type grooves and the door frame, all be equipped with two core wire shielding net between copper and the shielding copper cloth and between the internal bearing of installation in the outer disc and the door body.
The invention has the beneficial effects that: the invention comprises a door frame and a door body, a first straight rack, a second straight rack and a straight gear are driven by a cylinder to perform reciprocating linear conduction, the first straight rack, the second straight rack, a connecting rod and a limiting rod are subjected to limiting guide by a needle bearing and a linear bearing, two groups of inner bearings are sleeved on the rotating shaft to ensure the position stability of the rotating shaft, and the rotating shaft can be better connected with the straight gear to rotate, so that the structural stability is improved, the mechanical friction is reduced, the hard contact is reduced, and the stability of the structure for long-term use is ensured. The tapered slotting tool structure on the passing gate can compensate errors generated in production and processing, and production and processing errors are reduced, so that the shielding performance is stable and superior, the shielding gate can be directly and manually operated to open under the condition that an air source does not exist suddenly, and the safety is high.
Drawings
FIG. 1 is a three-dimensional structure view of the door body of the present invention in a closed state;
FIG. 2 is a perspective view showing the structure of the door body of the present invention in an open state;
FIG. 3 is a top cross-sectional view of the position of the axis of rotation of the present invention;
FIG. 4 is a perspective view of the present invention with the outer casing removed;
FIG. 5 is a perspective view of the spacing guide box and locking groove of the present invention;
FIG. 6 is a perspective view of the hinge base and hinge of the present invention;
FIG. 7 is an enlarged view of the A prescription of the present invention;
FIG. 8 is an enlarged view of the B prescription of the present invention;
fig. 9 is a schematic diagram of a pneumatic control module according to a second embodiment of the present invention.
Wherein: 1. a door frame; 2. a door body; 3. an outer handle; 4. a rotating shaft; 5. an inner handle; 6. a spur gear; 7. a first straight rack; 8. a second spur rack; 9. a cylinder; 10. a connecting rod; 11. a limiting guide box; 12. a limiting guide rod; 13. a locking lever; 14. a locking groove; 15. a pneumatic control module; 16. shielding the air pipe joint; 17. a small housing; 18. a drag chain; 19. an access control system; 20. a hinge mount; 21. a hinge; 22. a polyurethane stopper; 23. a limiting seat; 24. a needle bearing; 25. a limiting rod; 26. a linear bearing; 27. an outer casing; 28. a mechanical valve; 29. a contact support; 30. an outer handle; 31. an outer button; 32. an inner handle; 33. an inner button; 34. a bearing fixing plate; 35. an outer disc; 36. an inner bearing; 37. a copper plate; 38. a double U-shaped groove; 39. a conical cutter; 40. an L-shaped knife; 41. a beryllium copper reed.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to the figures 1, 2, 3, 4, 5, 6, 7 and 8, the embodiment provides a shielding pneumatic sector door, which comprises a door frame 1 and a door body 2, wherein the door frame 1 and the door body 2 are subjected to closed galvanizing treatment to improve the surface metal strength and the continuous conducting state, the door body 2 is hinged on the door frame 1, the door body 2 is rotatably connected with an outer handle 3, the outer handle 3 penetrates through the door body 2 through a rotating shaft 4 and is connected with an inner handle 5, one side of the rotating shaft 4, which is close to the outer handle 3, is sleeved with a straight gear 6, the left side and the right side of the straight gear 6 are respectively engaged and connected with a first straight rack 7 and a second straight rack 8, the second straight rack 8 is driven by a cylinder 9, connecting rods 10 are fixed at the upper end and the lower end of the first straight rack 7, limiting guide boxes 11 are symmetrically arranged on the door body 2, one end, which is far away from the first straight rack 7, of each connecting rod 10 extends into the limiting guide box 11 and is connected with a limiting guide rod 12 which is slidably connected with the limiting guide box 11, spacing guide bar 12 extends to spacing guide box 11 outsidely and is connected with check lock lever 13 with the one end of connecting rod 10 there, be equipped with the locking groove 14 that matches with check lock lever 13 on the door frame 1, it drives straight-teeth gear 6 through cylinder 9 drive second spur rack 8 and rotates, straight-teeth gear 6 drives first straight-teeth rack 7 removal again, first straight-teeth rack 7 rethread connecting rod 10 drives spacing guide bar 12 and removes in spacing guide box 11, and drive the locking bearing on check lock lever 13 and follow locking groove 14 and slide in, thereby realize closing of the door body 1, and straight-teeth gear 6 can also drive through interior handle 5 and outer handle 3, thereby be convenient for the manual work carries out the switching of the door body 1.
The cylinder 9 is located the top and the output of second spur rack 8 on the door body 2 and is connected with 8 tops of second spur rack, the cylinder 9 top is equipped with pneumatic control module 15, pneumatic control module 15's right side is equipped with shielding air pipe joint 16, shielding air pipe joint 16 outside cover is equipped with little housing 17, the right side of little housing 17 is equipped with tow chain 18, one side that tow chain 18 was kept away from to door frame 1 is equipped with access control system 19, access control system 19 is connected with tow chain 18 through the thread groove, the air supply inserts and is pneumatic control module 15 air feed from shielding air pipe joint 16, reuse pneumatic control module 15 to start cylinder 9 drive second spur rack 8 and remove.
The hinge seat 20 is arranged at the hinged position of the door frame 1 and the door body 2, the hinge 21 is hinged on the hinge seat 20, one end, away from the hinge seat 20, of the hinge 21 is fixedly connected with the door body 2, the polyurethane limiting block 22 is fixed on the hinge seat 20, the hinge 21 is limited and blocked through the polyurethane limiting block 22, and the door body 2 is prevented from being opened too much.
One side that straight-teeth gear 6 was kept away from to first spur rack 7 and second spur rack 8 all is equipped with spacing seat 23, be equipped with the bearing 24 with the laminating of first spur rack 7 and second spur rack 8 on the spacing seat 23, 8 bottom mounting of second spur rack has gag lever post 25, gag lever post 25 all overlaps on with the connecting rod 10 that is located first spur rack 7 top and is equipped with linear bearing 26, to first spur rack 7 through bearing 24 and linear bearing 26, second spur rack 8, connecting rod 10 and gag lever post 25 do spacing direction, structural stability has been improved.
An outer cover 27 is arranged on one side, close to the straight gear 6, of the door body 2, a mechanical valve 28 used for controlling the cylinder 9 is arranged on the upper portion of the left side of the outer cover 27, a contact support 29 matched with the mechanical valve 28 is arranged on the door frame 1, a time delayer is connected onto the mechanical valve 28, the cylinder 9 is started after being contacted with the contact support 29 in a time delay manner for five seconds, an outer handle 30 and an outer button 31 are arranged on the outer cover 27, an inner handle 32 and an inner button 33 are arranged above the inner handle 5, and door opening buttons are arranged on the outer button 31 and the inner button 33.
The inner side and the outer side of the door body 2, which are positioned at the rotating shaft 4, are respectively provided with a bearing fixing plate 34 and an outer disc 35, the inner sides of the bearing fixing plate 34 and the outer disc 35 are respectively provided with an inner bearing 36 sleeved on the rotating shaft 4, one side of the rotating shaft 4, which is positioned inside the door body 2 and is far away from the bearing fixing plate 34, is sleeved with a copper plate 37, the door frame 1 is provided with a double-U-shaped groove 38, one side of the door body 2, which is close to the door frame 1, is provided with a conical cutter 39 and an L-shaped cutter 40 which are matched with the double-U-shaped groove 38, beryllium copper reeds 41 are arranged between the conical cutter 39 and the L-shaped cutter 40 and the double-U-shaped groove 38, both sides of the conical cutter 39 and the L-shaped cutter 40 are uniformly compressed and contacted with the beryllium copper reeds 41, the conical cutter 39 and the L-shaped cutter 40 are matched with the beryllium copper reeds 41 inside the double-U-shaped groove 38, so that the periphery has a continuous conductive function, and electromagnetic waves cannot interfere and enter the inside, thereby achieving shielding.
Flat wave absorbing cotton is arranged on one sides of the conical cutter 39 and the L-shaped cutter 40 close to the door body 2, shielding copper cloth is arranged between the copper plate 37 and the inner wall of the door body 2, between the door frame 1 and the hinge seat 20, between the door body 2 and the hinge 21, between the double U-shaped groove 38 and the door frame 1, and between the inner bearing 36 and the door body 2 which are arranged between the copper plate 37 and the shielding copper cloth and between the outer disc 35, a double-core metal wire shielding net is arranged, a copper shielding cloth is arranged between the double U-shaped groove 38 and the door frame 1, a copper shielding cloth is arranged between the hinge 21 and the door body 2, a copper shielding cloth is arranged between the hinge seat 20 and the door frame 1, external electromagnetic waves are prevented from entering and interfering, the shielding performance is influenced, a copper shielding cloth and a double-core metal wire shielding net are arranged between the copper plate 37 and the inner wall of the door body 2, a double-core metal wire shielding net is arranged between the inner bearing 36 and the door body 2 which are arranged in the outer disc 35, multi-layer shielding net is used for multi-layer shielding, thereby effectively when the rotating shaft 4 rotates, nor does it allow electromagnetic waves to enter the interference.
When the door body 2 needs to be closed from the outside of the door, the outer handle 30 is tightly held by both hands, the door body 2 is pushed forcefully, when the door body 2 is closed to a certain angle, the mechanical valve 28 on the door body 2 is contacted with the contact support 29, the time delay is 5 seconds, the mechanical valve 28 starts the air cylinder 9 to drive the second straight rack 8 to drive the straight gear 6 to rotate, the straight gear 6 drives the first straight rack 7 to move, the first straight rack 7 drives the limiting guide rod 12 to move in the limiting guide box 11 through the connecting rod 10, and drives the locking bearing on the locking rod 13 to slide in along the locking groove 14, and the door is closed; when the door body 2 needs to be opened from the outside of the door, the door opening button on the outer button 31 is pressed to control the cylinder 9 to reset, so that the locking bearing on the locking rod 13 slides out of the locking groove 14, and then the outer handle 30 is pulled by two hands, so that the door is opened; the principle is the same when the door body 2 is opened and closed from the inside of the door
Example two
According to the illustration of fig. 9, firstly, an air source air pipe is connected from the shielding air pipe joint 16, the air source is filtered by an air source filter and supplies air to the mechanical valve 28 and the main air control valve, the mechanical valve 28 is connected with a time delay device, the main air control valve is connected with an auxiliary air control valve and a shuttle valve, the shuttle valve is also connected with an inner button 33 and an outer button 31, and the air source drives the air cylinder 9 to drive the load mechanism at the output end, namely the second spur rack 8 to move after entering the pneumatic control module 15.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a fan-shaped door of shielding pneumatics, includes door frame (1) and door body (2), its characterized in that: the door body (2) is hinged to be installed on a door frame (1), the door body (2) is connected with an outer handle (3) in a rotating mode, the outer handle (3) penetrates through the door body (2) through a rotating shaft (4) and is connected with an inner handle (5), one side, close to the outer handle (3), of the rotating shaft (4) is sleeved with a straight gear (6), the left side and the right side of the straight gear (6) are respectively connected with a first straight rack (7) and a second straight rack (8) in a meshed mode, the second straight rack (8) is driven through a cylinder (9), connecting rods (10) are fixed to the upper end and the lower end of the first straight rack (7), limiting guide boxes (11) are symmetrically arranged on the door body (2), one ends, far away from the first straight rack (7), of the connecting rods (10) extend into the limiting guide boxes (11) and are connected with limiting guide rods (12) in sliding connection with the limiting guide boxes (11), the limiting guide rod (12) and one end of the connecting rod (10) extend to the outside of the limiting guide box (11) and are connected with a locking rod (13), and a locking groove (14) matched with the locking rod (13) is formed in the door frame (1).
2. A shielded pneumatic sector door in accordance with claim 1, wherein: cylinder (9) are located the top and the output of second spur rack (8) and are connected on door body (2) with second spur rack (8) top, cylinder (9) top is equipped with pneumatic control module (15), the right side of pneumatic control module (15) is equipped with shielding air pipe joint (16), shielding air pipe joint (16) outside cover is equipped with little housing (17), the right side of little housing (17) is equipped with tow chain (18), one side that tow chain (18) were kept away from in door frame (1) is equipped with access control system (19), access control system (19) are connected with tow chain (18) through the wire casing.
3. A shielded pneumatic sector door in accordance with claim 1, wherein: the hinge joint of the door frame (1) and the door body (2) is provided with a hinge seat (20), the hinge seat (20) is hinged with a hinge (21), one end, far away from the hinge seat (20), of the hinge (21) is fixedly connected with the door body (2), and a polyurethane limiting block (22) is fixed on the hinge seat (20).
4. A shielded pneumatic sector door in accordance with claim 1, wherein: one side that straight-teeth gear (6) were kept away from in first straight-teeth rack (7) and second straight-teeth rack (8) all is equipped with spacing seat (23), be equipped with on spacing seat (23) with needle bearing (24) of first straight-teeth rack (7) and second straight-teeth rack (8) laminating, second straight-teeth rack (8) bottom mounting has gag lever post (25), gag lever post (25) and be located and all overlap on connecting rod (10) on first straight-teeth rack (7) top and be equipped with linear bearing (26).
5. A shielded pneumatic sector door in accordance with claim 1, wherein: one side that the door body (2) is close to spur gear (6) is equipped with outer housing (27), the left upper portion of outer housing (27) is equipped with mechanical valve (28) that are used for control cylinder (9), be equipped with on door frame (1) with contact support (29) that mechanical valve (28) match, be equipped with outer handle (30) and outer button (31) on outer housing (27), interior handle (5) top is equipped with interior handle (32) and interior button (33).
6. A shielded pneumatic sector door in accordance with claim 1, wherein: the inner side and the outer side of the door body (2) are located on the rotating shaft (4) and are respectively provided with a bearing fixing plate (34) and an outer disc (35), inner bearings (36) sleeved on the rotating shaft (4) are arranged on the inner sides of the bearing fixing plate (34) and the outer disc (35), a copper plate (37) is sleeved on one side, away from the bearing fixing plate (34), of the rotating shaft (4) located inside the door body (2), a double-U-shaped groove (38) is formed in the door frame (1), a conical cutter (39) and an L-shaped cutter (40) matched with the double-U-shaped groove (38) are arranged on one side, close to the door frame (1), of the door body (2), beryllium copper reeds (41) are arranged between the conical cutter (39) and the L-shaped cutter (40) and the double-U-shaped groove (38), and two sides of the conical cutter (39) and the L-shaped cutter (40) are in uniform compression contact with the beryllium copper reeds (41).
7. The shielded pneumatic sector door of claim 6, wherein: one side that toper sword (39) and L type sword (40) are close to the door body (2) all is equipped with the flat board and absorbs ripples cotton, all be equipped with shielding copper cloth between copper (37) and the door body (2) inner wall, between door frame (1) and hinge seat (20), between the door body (2) and hinge (21), between two U type groove (38) and door frame (1), all be equipped with two core wire shielding net between copper (37) and the shielding copper cloth and between inner bearing (36) and the door body (2) of outer disc (35) interior installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110976507.0A CN113944417A (en) | 2021-08-24 | 2021-08-24 | Shielding pneumatic sector door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110976507.0A CN113944417A (en) | 2021-08-24 | 2021-08-24 | Shielding pneumatic sector door |
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| Publication Number | Publication Date |
|---|---|
| CN113944417A true CN113944417A (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110976507.0A Pending CN113944417A (en) | 2021-08-24 | 2021-08-24 | Shielding pneumatic sector door |
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| Country | Link |
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| CN (1) | CN113944417A (en) |
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| CN209384779U (en) * | 2018-10-15 | 2019-09-13 | 惠州诺盾高科电子有限公司 | Pushing/drawing-back type door lock drive mechanism and intelligent door lock |
| CN212614401U (en) * | 2020-03-04 | 2021-02-26 | 常州雷宁电磁屏蔽设备有限公司 | Translation type shielding door |
| CN213597825U (en) * | 2020-05-19 | 2021-07-02 | 杭州永谐科技有限公司 | Manual double-door for shielding |
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2021
- 2021-08-24 CN CN202110976507.0A patent/CN113944417A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201377276Y (en) * | 2009-03-02 | 2010-01-06 | 江苏捷诚车载电子信息工程有限公司 | Electromagnetic shield door |
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Application publication date: 20220118 |