CN114033288B - Steel explosion venting door - Google Patents
Steel explosion venting door Download PDFInfo
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- CN114033288B CN114033288B CN202111446904.3A CN202111446904A CN114033288B CN 114033288 B CN114033288 B CN 114033288B CN 202111446904 A CN202111446904 A CN 202111446904A CN 114033288 B CN114033288 B CN 114033288B
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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
- E06B5/12—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 air pressure, explosion, or gas
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/08—Hasps; Hasp fastenings; Spring catches therefor
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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
- E06B5/12—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 air pressure, explosion, or gas
- E06B5/125—Closures for relieving excess pressure inside the building
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Special Wing (AREA)
- Hinges (AREA)
Abstract
The invention discloses a steel explosion venting door, which comprises a door frame, a door body, an upper auxiliary door and a lower auxiliary door, wherein the door body is hinged with the door frame through a hinge, the upper auxiliary door and the lower auxiliary door are arranged on the door body, the bottom ends of the upper auxiliary door and the lower auxiliary door are connected with the door body through explosion venting fasteners, the door frame is provided with a manual closing mechanism for connecting the door body with the door body, the manual closing mechanism is used for manual operation, one end of a support shaft at the upper auxiliary door is provided with an explosion venting linkage mechanism, and the explosion venting linkage mechanism drives the door body to be separated from an automatic door frame according to the rotation amplitude when the upper auxiliary door releases pressure.
Description
Technical Field
The invention relates to the technical field of explosion-proof safety, in particular to a steel explosion venting door.
Background
The steel explosion venting door is characterized in that a door frame, a door leaf and a framework are made of steel materials, heat insulation materials can be filled in the door body, and a door capable of effectively dumping blast shock wave load is formed by matching a special hinge, an escape lock, an explosion venting device and a door closer lock. The name code is XBM. (the door leaf is filled with fireproof cotton and has fireproof and smoke-proof functions).
At present, the existing steel explosion venting door is a safety facility, when explosion occurs inside the steel explosion venting door, when a gas pressure value reaches a set value, a leaf (an auxiliary door) on the explosion venting door is automatically opened, gas is released outwards, the internal gas pressure is reduced to ensure the life safety of workers, the building is reduced or prevented from being damaged by explosion, and after the explosion venting is completed, the steel explosion venting door can be automatically closed.
At present, current steel is let out and is exploded door when using, can set up the flabellum on letting out the explosion door usually and be used for the pressure release, but under great explosive strength, let out the explosion door and can't open automatically to influence the staff and promptly flee, though current patent application number is: CN201610763482.5, discloses: a kind of explosion venting door, in the moment of explosion, under the impact force of explosion, the lock catch falls off, the door body opens to release pressure, and is convenient for the indoor personnel to flee. However, in this patent application, no matter how big the explosion degree is, be connected through letting out the fastener that explodes between the door body and the door frame, simultaneously through letting out the fastener that explodes and be connected between the sub-door and the door body, consequently, all can lead to the phenomenon that synchronous opening appears in the door body and sub-door, though be convenient for promptly flee, but to the shock wave of less explosion production, can't reduce indoor destruction degree, for this reason, we propose a steel and let out the explosion door.
Disclosure of Invention
The invention aims to provide a steel explosion venting door to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a steel explosion venting door comprises a door frame, a door body, an upper auxiliary door and a lower auxiliary door, wherein the door body is hinged with the door frame through a hinge, the upper auxiliary door and the lower auxiliary door are arranged on the door body, the bottom ends of the upper auxiliary door and the lower auxiliary door are connected with the door body through explosion venting fasteners, a manual closing mechanism for connecting the door body with the door body is arranged on the door frame, and the manual closing mechanism is used for manual operation;
connecting seats are arranged on one side of the door body corresponding to the top ends of the upper auxiliary door and the lower auxiliary door, supporting shafts penetrate through the connecting seats, and the supporting shafts are rotatably connected with the connecting seats through bearings;
the hinge plates are connected to the outer side of the connecting seat on the supporting shaft, and the hinge plates are respectively connected with the upper auxiliary door and the lower auxiliary door;
and an explosion venting linkage mechanism is arranged at one end of the supporting shaft at the upper auxiliary door, and drives the door body to be separated from the automatic door frame according to the rotation amplitude of the explosion venting linkage mechanism when the upper auxiliary door is decompressed.
Preferably, the manual closing mechanism comprises two support plates arranged on the door frame, a damping rotating shaft is connected between the two support plates, and a rotating rod is fixedly sleeved on the outer side of the damping rotating shaft;
a connecting shaft is fixedly penetrated through the rotating rod, and a supporting frame is rotatably sleeved on the outer side of the connecting shaft;
be equipped with block mechanism on the carriage, and be equipped with the block pole of being connected with block mechanism on the door body, through the artifical closing mechanism who is equipped with to be convenient for artifical manual closed effect.
Preferably, the supporting frame is U-shaped, and two ends of the supporting frame connected with the connecting shaft are wedge-shaped, so that the supporting frame can be conveniently connected.
Preferably, the clamping mechanism comprises a moving plate arranged on a support frame, and a guide piece is arranged at the position of the support frame corresponding to the moving plate;
one side of the moving plate is fixedly connected with a tensioning column, one end of the tensioning column penetrates through the supporting frame and is fixedly connected with a clamping ring, and the tensioning column is connected with the supporting frame in a sliding mode;
and a tensioning spring is sleeved on the outer side of the tensioning column, and two ends of the tensioning spring are respectively fixedly connected with the supporting frame and the moving plate.
Preferably, the guide is including installing the guide bar in the movable plate both sides, and the both sides of carriage all are equipped with the guide way that is used for making the guide bar pass, the guide bar is located the one end fixedly connected with limiting plate in the carriage outside, through the guide that is equipped with to the effect of leading is carried out when realizing removing the movable plate.
Preferably, the explosion venting linkage mechanism comprises a driving gear arranged at one end of the supporting shaft, and a transmission gear is meshed and connected with the outer side of the driving gear;
the door body is provided with an accommodating groove for accommodating the driving gear, a transmission shaft for supporting the transmission gear is arranged in the accommodating groove, one end, far away from the transmission gear, of the transmission shaft is connected with a transmission mechanism, the connecting end of the transmission mechanism is connected with the clamping rod, and an explosion venting linkage mechanism is arranged, so that when the supporting shaft rotates, the clamping rod is driven.
Preferably, the transmission mechanism comprises a first positioning gear fixedly sleeved on the outer side of the transmission shaft, the outer side of the first positioning gear is in transmission connection with a gear belt, the inner part of the gear belt is in transmission connection with a second positioning gear, and the inner ring of the second positioning gear is fixedly connected with a rotating screw rod;
two ends of the rotary screw rod are rotatably connected with the accommodating groove through bearings;
the locating piece is connected in a sleeved mode in a rotating mode on the outer side of the rotating screw rod, the locating piece is connected to the containing groove in a sliding mode, the door body is located at the clamping rod and is provided with a guide opening communicated with the containing groove, the bottom end of the clamping rod penetrates through the guide opening and is fixedly connected with the locating piece, and the transmission mechanism is arranged so that the effect of driving the clamping rod is achieved.
Preferably, the clamping rod is provided with a reinforcing rib, and the clamping rod is in an L shape, so that the clamping rod can be stably clamped.
Preferably, be equipped with the protective housing that is used for protecting back shaft and drive gear on the door body, through the protective housing that is equipped with to the realization carries out the effect of protecting to back shaft and drive gear.
Preferably, the clamping rod comprises a synchronous block fixedly connected to the positioning block, the top of the synchronous block is fixedly connected with two synchronous shafts, two ends of each synchronous shaft are rotatably sleeved with an L-shaped clamping rod, and one side, far away from the synchronous block, of each clamping rod is fixedly connected with a guide shaft;
one side that the joint pole is close to the guiding axle is equipped with the deflector, and deflector fixed connection is on the door body, be equipped with on the deflector and be used for the spacing groove of guiding axle, and the spacing groove is the L shape.
Compared with the prior art, the invention has the beneficial effects that:
1. when the emergency escape door is used, the door body is connected with the door frame through the manual closing mechanism arranged between the door body and the door frame, and meanwhile, the auxiliary door is connected with the door body through the existing explosion relief fastening piece, so that an indoor accidental explosion occurs, on one hand, the effect of opening and pressure relief of the auxiliary door is kept under the condition of low explosion intensity, on the other hand, the effect of emergency escape of workers is realized through opening the auxiliary door firstly to relieve the pressure and then driving the door body to open under the condition of high explosion intensity.
2. The manual closing mechanism is arranged, and the mechanism is convenient to manually open when the explosion venting door is normally used.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present invention;
FIG. 2 is a schematic overall structure diagram of a second embodiment of the present invention;
FIG. 3 is a top view of the overall structure of the present invention;
FIG. 4 is a schematic structural view of an explosion venting linkage mechanism according to the present invention;
FIG. 5 is a schematic view of a second positioning gear of the present invention;
FIG. 6 is a schematic view of a structure of a locking mechanism according to the present invention;
FIG. 7 is a schematic view of a snap-fit rod according to the present invention.
In the figure: 1-a door frame; 2-a door body; 21-upper auxiliary door; 22-lower sub-door; 23-accommodating grooves; 24-a guide port; 3-a manual closing mechanism; 31-a support plate; 32-a damping spindle; 33-rotating rods; 34-a connecting shaft; 35-a support frame; 36-a snap rod; 361-a sync block; 362-synchronizing shaft; 363-a click rod; 364-a guide shaft; 365-a guide plate; 366-a limiting groove; 4-a connecting seat; 41-supporting shaft; 42-hinge plate; 5-explosion venting linkage mechanism; 51-a drive gear; 52-a drive gear; 53-a drive shaft; 6-a clamping mechanism; 61-moving the plate; 62-tensioning the column; 63-a snap ring; 64-a tension spring; 65-a guide bar; 651-guide groove; 7-a guide; 8-a transmission mechanism; 81-a first positioning gear; 82-a gear belt; 83-a second positioning gear; 84-rotating a screw rod; 85-positioning blocks; 9-protective shell.
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.
Referring to fig. 1-7, the present invention provides a technical solution: a steel explosion venting door, embodiment I
The door comprises a door frame 1, a door body 2 hinged with the door frame 1 through a hinge, and an upper auxiliary door 21 and a lower auxiliary door 22 which are arranged on the door body 2, wherein the bottom ends of the upper auxiliary door 21 and the lower auxiliary door 22 are both connected with the door body 2 through explosion venting fasteners, the door frame 1 is provided with a manual closing mechanism 3 which enables the door body 2 to be connected with the door body, and the manual closing mechanism 3 is used for manual operation;
a connecting seat 4 is arranged on one side of the door body 2 corresponding to the top ends of the upper auxiliary door 21 and the lower auxiliary door 22, a supporting shaft 41 penetrates through the connecting seat 4, and the supporting shaft 41 is rotatably connected with the connecting seat 4 through a bearing;
a hinge plate 42 is connected to the support shaft 41 at a position outside the connecting seat 4, and the hinge plates 42 are respectively connected with the upper sub-door 21 and the lower sub-door 22;
the manual closing mechanism 3 comprises two support plates 31 arranged on the door frame 1, a damping rotating shaft 32 is connected between the two support plates 31, the damping rotating shaft 32 is used for enabling the connection between the rotating rod 33 and the support plates 31 to be more stable, the rotating rod 33 is fixedly sleeved on the outer side of the damping rotating shaft 32, anti-skidding threads are arranged on the outer side of the rotating rod 33, and the position of the rotating rod 33 used for manual rotation is arranged in a concave shape, so that the manual rotation is facilitated;
a connecting shaft 34 is fixedly penetrated through the rotating rod 33, a supporting frame 35 is rotatably sleeved on the outer side of the connecting shaft 34, the supporting frame 35 is U-shaped, two ends of the supporting frame 35, which are connected with the connecting shaft 34, are wedge-shaped, and the joint of the supporting frame 35 and the connecting shaft 34 is a U-shaped opening;
the support frame 35 is provided with an engaging mechanism 6, the door body 2 is provided with an engaging rod 36 connected with the engaging mechanism 6, the engaging rod 36 is provided with a reinforcing rib, and the engaging rod 36 is L-shaped.
The clamping mechanism 6 comprises a moving plate 61 arranged on the supporting frame 35, and a guide 7 is arranged at the position of the supporting frame 35 corresponding to the moving plate 61;
one side of the moving plate 61 is fixedly connected with a tensioning column 62, one end of the tensioning column 62 penetrates through the supporting frame 35 and is fixedly connected with a clamping ring 63, and the tensioning column 62 is connected with the supporting frame 35 in a sliding mode;
a tensioning spring 64 is sleeved outside the tensioning column 62, two ends of the tensioning spring 64 are respectively fixedly connected with the support frame 35 and the moving plate 61, and when the door body 2 and the door frame 1 are in a closed state, the tensioning spring 64 is in an extrusion state under the extrusion of the moving plate 61, so that a reverse elastic acting force is generated, and the support shell and the rotating rod 33 are kept in a tensioned state;
the guide 7 includes guide bars 65 installed at both sides of the moving plate 61, guide grooves 651 for allowing the guide bars 65 to pass through are provided at both sides of the support frame 35, and a limit plate is fixedly connected to one end of the guide bars 65 located at the outer side of the support frame 35.
One end of the supporting shaft 41 at the upper auxiliary door 21 is provided with an explosion venting linkage mechanism 5, and when the upper auxiliary door 21 is decompressed, the explosion venting linkage mechanism 5 drives the door body 2 to be separated from the automatic door frame 1 according to the rotation amplitude of the explosion venting linkage mechanism.
When the explosion venting door is normally used, when the door body 2 and the door frame 1 need to be opened relatively, the rotating rod 33 is held by hand, the rotating rod 33 rotates relative to the two support plates 31 through the damping rotating shaft 32, and when the rotating rod 33 rotates, one end of the support frame 35 on the rotating rod is limited by the clamping ring 63, so that the support frame 35 moves relative to the tensioning column 62, and when the support frame 35 moves, the tensioning spring 64 is in a stretching state, and simultaneously, when the support frame 35 moves, the tensioning column 62 on the rotating rod moves relative to the support frame 35, so that the clamping ring 63 moves relative to the clamping rod 36 until the clamping ring 36 is separated from the clamping rod, the door body 2 is separated from the door frame 1, and the door body 2 is opened.
The explosion venting linkage mechanism 5 comprises a driving gear 51 arranged at one end of the supporting shaft 41, the driving gear 51 can also be a half gear, a protective shell 9 for protecting the supporting shaft 41 and the driving gear 51 is arranged on the door body 2, and a transmission gear 52 is meshed and connected with the outer side of the driving gear 51;
the door body 2 is provided with an accommodating groove 23 for accommodating the driving gear 51, a transmission shaft 53 for supporting the transmission gear 52 is arranged in the accommodating groove 23, one end of the transmission shaft 53 far away from the transmission gear 52 is connected with the transmission mechanism 8, and the connecting end of the transmission mechanism 8 is connected with the clamping rod 36.
The transmission mechanism 8 comprises a first positioning gear 81 fixedly sleeved on the outer side of the transmission shaft 53, a gear belt 82 is connected on the outer side of the first positioning gear 81 in a transmission manner, a second positioning gear 83 is connected in the gear belt 82 in a transmission manner, and a rotating screw 84 is fixedly connected to the inner ring of the second positioning gear 83;
both ends of the rotating screw rod 84 are rotatably connected with the accommodating groove 23 through bearings;
the outer side of the rotating screw rod 84 is rotatably sleeved with a positioning block 85, the positioning block 85 is connected to the accommodating groove 23 in a sliding mode, the door body 2 is located at the clamping rod 36 and provided with a guide port 24 communicated with the accommodating groove 23, the bottom end of the clamping rod 36 penetrates through the guide port 24 and is fixedly connected with the positioning block 85, and the tooth number of the plurality of gears is set according to actual use conditions, so that the effect of full rotation of the rotating screw rod 84 is achieved.
When an indoor accident occurs, the upper sub-door 21 and the lower sub-door 22 respectively receive impact force and are simultaneously connected with an explosion venting fastener, the upper sub-door 21 and the lower sub-door 22 are respectively opened relative to the door body 2, and the supporting shaft 41 connected with the upper sub-door 21 rotates while being opened, when the supporting shaft 41 rotates, the driving gear 51 at one end synchronously rotates, as the driving gear 51 is meshed with the transmission gear 52, the transmission shaft 53 connected with the transmission gear 52 further synchronously rotates, the first positioning gear 81 on the transmission shaft 53 synchronously drives the rotating screw rod 84 to rotate through the gear belt 82, as the rotating screw rod 84 rotates, a driving force of the positioning block 85 is provided, and as the positioning block 85 is under the limiting action of the accommodating groove 23, the electric clamping rod 36 and the clamping ring 63 relatively move, in the application, when an impact wave is small, the opening amplitude of the upper sub-door 21 is small, and as the clamping rod 36 is in a U shape, the moving distance of the clamping rod 36 is small, so that the clamping ring 63 is still clamped on the clamping ring 36, and the door body 36 is conveniently released from the emergency door body 1, and the door body 2 is convenient to be pulled back.
The clamping rod 36 comprises a synchronous block 361 fixedly connected to the positioning block 85, the top of the synchronous block 361 is fixedly connected with two synchronous shafts 362, two ends of each synchronous shaft 362 are rotatably sleeved with an L-shaped clamping rod 363, and one side of each clamping rod 363, which is far away from the synchronous block 361, is fixedly connected with a guide shaft 364;
a guide plate 365 is arranged on one side, close to the guide shaft 364, of the clamping rod 363, the guide plate 365 is fixedly connected to the door body 2, a limiting groove 366 used for limiting the guide shaft 364 is arranged on the guide plate 365, and the limiting groove 366 is in an L shape.
When the engaging rod 36 moves, that is, the synchronizing block 361 moves synchronously with the positioning block 85, and in an initial state, that is, when the impact force applied to the upper sub-door 21 or the lower sub-door 22 is small, the two engaging rods 363 move only a distance in cooperation with the synchronizing block 361, and when the impact force applied to the upper sub-door 21 or the lower sub-door 22 is large, that is, the synchronizing block 361 moves a long distance, the two engaging rods 363 continuously move along the limiting groove 366 under the action of the guide shaft 364, move upward relative to the guide plate 365, and further rotate around the synchronizing shaft 362 as a center of a circle, so that the two engaging rods 363 are completely separated from the engaging ring 63, and the bottoms of the two engaging rods 363 are in contact with the engaging ring 63, so as to achieve an effect of engaging one side of the engaging ring 63, and further prevent the door body 2 from being once again engaged with the engaging ring 63 when being opened.
Example two
The door comprises a door frame 1, a door body 2 hinged with the door frame 1 through a hinge, and an upper auxiliary door 21 and a lower auxiliary door 22 which are arranged on the door body 2, wherein the bottom ends of the upper auxiliary door 21 and the lower auxiliary door 22 are both connected with the door body 2 through explosion venting fasteners, the door frame 1 is provided with a manual closing mechanism 3 which enables the door body 2 to be connected with the door body, and the manual closing mechanism 3 is used for manual operation;
one side of the door body 2 corresponding to the top ends of the upper auxiliary door 21 and the lower auxiliary door 22 is provided with a connecting seat 4, a support shaft 41 penetrates through the connecting seat 4, and the support shaft 41 is rotatably connected with the connecting seat 4 through a bearing;
a hinge plate 42 is connected to the support shaft 41 at a position outside the connecting seat 4, and the hinge plates 42 are respectively connected with the upper sub-door 21 and the lower sub-door 22;
one end of the supporting shaft 41 at the lower auxiliary door 22 is provided with an explosion venting linkage mechanism 5, and when the upper auxiliary door 21 releases the pressure, the explosion venting linkage mechanism 5 drives the door body 2 to be separated from the automatic door frame 1 according to the rotation amplitude of the upper auxiliary door, and in the application, the explosion venting linkage mechanism 5 can also be connected at the lower auxiliary door 22, so that the connection and separation between the door body 2 and the door frame 1 are realized.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a steel is let out and is exploded door, includes door frame (1), through hinge and door frame (1) articulated door body (2), sets up last auxiliary door (21) and lower auxiliary door (22) on door body (2), it is connected its characterized in that all through letting out the fastener with the bottom of lower auxiliary door (22) to go up auxiliary door (21): the door frame (1) is provided with a manual closing mechanism (3) which connects the door body (2) with the door frame, and the manual closing mechanism (3) is used for manual operation;
one side of the door body (2) corresponding to the top ends of the upper auxiliary door (21) and the lower auxiliary door (22) is provided with a connecting seat (4), a supporting shaft (41) penetrates through the connecting seat (4), and the supporting shaft (41) is rotatably connected with the connecting seat (4) through a bearing;
the hinge plates (42) are connected to the outer side of the support shaft (41) on the connecting seat (4), and the hinge plates (42) are respectively connected with the upper auxiliary door (21) and the lower auxiliary door (22);
one end of the supporting shaft (41) at the upper auxiliary door (21) is provided with an explosion venting linkage mechanism (5), and the explosion venting linkage mechanism (5) drives the door body (2) to be automatically separated from the door frame (1) according to the rotation amplitude of the upper auxiliary door (21) when the upper auxiliary door (21) is depressurized;
the manual closing mechanism (3) comprises two supporting plates (31) arranged on the door frame (1), a damping rotating shaft (32) is connected between the two supporting plates (31), and a rotating rod (33) is fixedly sleeved on the outer side of the damping rotating shaft (32);
a connecting shaft (34) is fixedly penetrated through the rotating rod (33), and a supporting frame (35) is rotatably sleeved on the outer side of the connecting shaft (34);
a clamping mechanism (6) is arranged on the supporting frame (35), and a clamping rod (36) connected with the clamping mechanism (6) is arranged on the door body (2);
the supporting frame (35) is U-shaped, and two ends of the supporting frame (35) connected with the connecting shaft (34) are wedge-shaped;
the clamping mechanism (6) comprises a moving plate (61) arranged on the supporting frame (35), and a guide piece (7) is arranged at the position, corresponding to the moving plate (61), of the supporting frame (35);
one side of the moving plate (61) is fixedly connected with a tensioning column (62), one end of the tensioning column (62) penetrates through the supporting frame (35) to be fixedly connected with a clamping ring (63), and the tensioning column (62) is connected with the supporting frame (35) in a sliding mode;
a tensioning spring (64) is sleeved on the outer side of the tensioning column (62), and two ends of the tensioning spring (64) are respectively and fixedly connected with the supporting frame (35) and the moving plate (61);
the guide piece (7) comprises guide rods (65) arranged on two sides of the moving plate (61), guide grooves (651) for the guide rods (65) to penetrate through are formed in two sides of the supporting frame (35), and a limiting plate is fixedly connected to one end, located on the outer side of the supporting frame (35), of each guide rod (65);
the explosion venting linkage mechanism (5) comprises a driving gear (51) arranged at one end of the supporting shaft (41), and a transmission gear (52) is meshed and connected with the outer side of the driving gear (51);
the door body (2) is provided with an accommodating groove (23) for accommodating the driving gear (51), a transmission shaft (53) for supporting the transmission gear (52) is arranged in the accommodating groove (23), one end, far away from the transmission gear (52), of the transmission shaft (53) is connected with a transmission mechanism (8), and the connecting end of the transmission mechanism (8) is connected with the clamping rod (36);
the transmission mechanism (8) comprises a first positioning gear (81) fixedly sleeved on the outer side of the transmission shaft (53), the outer side of the first positioning gear (81) is in transmission connection with a gear belt (82), the inner part of the gear belt (82) is in transmission connection with a second positioning gear (83), and the inner ring of the second positioning gear (83) is fixedly connected with a rotating screw rod (84);
two ends of the rotating screw rod (84) are rotationally connected with the accommodating groove (23) through bearings;
a positioning block (85) is rotatably sleeved on the outer side of the rotary screw rod (84), the positioning block (85) is connected to the accommodating groove (23) in a sliding mode, a guide opening (24) communicated with the accommodating groove (23) is formed in the position, located on the clamping rod (36), of the door body (2), and the bottom end of the clamping rod (36) penetrates through the guide opening (24) to be fixedly connected with the positioning block (85);
the clamping rod (36) is provided with a reinforcing rib, and the clamping rod (36) is L-shaped;
a protective shell (9) for protecting the support shaft (41) and the driving gear (51) is arranged on the door body (2);
the clamping rod (36) comprises a synchronous block (361) fixedly connected to the positioning block (85), the top of the synchronous block (361) is fixedly connected with two synchronous shafts (362), two ends of each synchronous shaft (362) are rotatably sleeved with an L-shaped clamping rod (363), and one side, far away from the synchronous block (361), of each clamping rod (363) is fixedly connected with a guide shaft (364);
one side of the clamping rod (363) close to the guide shaft (364) is provided with a guide plate (365), the guide plate (365) is fixedly connected to the door body (2), the guide plate (365) is provided with a limiting groove (366) used for limiting the guide shaft (364), and the limiting groove (366) is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111446904.3A CN114033288B (en) | 2021-11-30 | 2021-11-30 | Steel explosion venting door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111446904.3A CN114033288B (en) | 2021-11-30 | 2021-11-30 | Steel explosion venting door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114033288A CN114033288A (en) | 2022-02-11 |
| CN114033288B true CN114033288B (en) | 2023-03-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111446904.3A Active CN114033288B (en) | 2021-11-30 | 2021-11-30 | Steel explosion venting door |
Country Status (1)
| Country | Link |
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| CN (1) | CN114033288B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202755857U (en) * | 2012-06-25 | 2013-02-27 | 无锡运通涂装设备有限公司 | Pressure explosion venting bolt device for spray chamber |
| CN205135323U (en) * | 2015-07-16 | 2016-04-06 | 北京五加防盗门制造有限公司 | Let out and explode door |
| CN205977003U (en) * | 2016-08-30 | 2017-02-22 | 徐燕 | Let out and explode door |
| CN208251956U (en) * | 2018-04-23 | 2018-12-18 | 广东龙电安防产品有限公司 | A kind of novel venting of dust explosion door |
| CN209510104U (en) * | 2018-12-17 | 2019-10-18 | 河北五加金属门窗制造有限公司 | A kind of steel explosion relief door |
| CN110905599A (en) * | 2019-12-06 | 2020-03-24 | 华北科技学院 | Explosion venting door for safety protection of coal mine fire area |
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2021
- 2021-11-30 CN CN202111446904.3A patent/CN114033288B/en active Active
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