CN212642501U - Steel construction threshold biparting protective airtight door that lives - Google Patents
Steel construction threshold biparting protective airtight door that lives Download PDFInfo
- Publication number
- CN212642501U CN212642501U CN202020633898.7U CN202020633898U CN212642501U CN 212642501 U CN212642501 U CN 212642501U CN 202020633898 U CN202020633898 U CN 202020633898U CN 212642501 U CN212642501 U CN 212642501U
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- double
- door body
- door
- closing plate
- sealing plates
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 10
- 230000001681 protective effect Effects 0.000 title claims description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 65
- 230000000694 effects Effects 0.000 description 21
- 230000007123 defense Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to a steel construction threshold bi-leaf protection airtight door alive belongs to the technical field of steel construction airtight door, and it includes door frame and the bi-leaf door body, is provided with the mechanism that opens and shuts on the bi-leaf door body, and the mechanism that opens and shuts supplies the bi-leaf door body to open and close, all slide on the bi-leaf door body and be provided with the closing plate, and the closing plate is located the bi-leaf door body and is close to indoor one side, and the closing plate level sets up and is on a parallel with the side at the place bi-leaf door body, and two closing plate horizontal length sums on the bi-leaf door body equal door body door frame entrance to a cave width, subaerial holding tank of having seted up, and the holding tank is located under the closing plate and length is the same with closing plate length, is provided with sliding assembly between closing plate and.
Description
Technical Field
The utility model belongs to the technical field of the technique of steel construction airtight door and specifically relates to a steel construction threshold biparting protection airtight door alive.
Background
At present, civil air defense is also called civil air defense, is an international common word, is an activity of government mobilization and organization of people for preventing air attack, resisting and relieving disasters, preventing and lightening disaster hazards, belongs to civil air defense protection equipment, and needs to meet the requirements of protection and sealing functions, and comprises a steel structure civil air defense door and a concrete civil air defense door. Although the steel structure door is higher in price and poorer in early nuclear radiation prevention performance, the steel structure door is lighter in self weight and flexible in opening and closing, so that the steel structure door is often used for vehicle entrances and exits with relatively larger sizes. The steel protective airtight door adopts a side-hung type, is divided according to the number of door leaves, and is divided into a single-leaf civil air defense door and a double-leaf civil air defense door, and the steel protective airtight door is divided into a fixed doorsill and a movable doorsill according to the existence of the doorsill at the opening.
The existing Chinese patent with reference to the publication number CN209510093U discloses a steel structure movable threshold double-leaf protective airtight door, which comprises a door frame and double-leaf door bodies arranged in the door frame, wherein an opening and closing mechanism is arranged between the double-leaf door bodies, a groove is formed in the bottom surface, the bottoms of the double-leaf door bodies are positioned right above the groove, a sealing block is placed in the groove, a spring is arranged between the sealing block and the bottom of the groove, the spring is in a compressed state, one end, close to the spring, of the sealing block is always positioned in the groove, a cover body is arranged in the groove and used for sealing the groove, a driving piece is arranged between the cover body and the groove, the cover body is opened by the driving piece, after the cover body is opened, the sealing block and the bottoms of the double-leaf door are tightly abutted by spring releasing elastic force.
The above prior art solutions have the following drawbacks: the spring is in compression state all the time, and long-time back of using, spring self elastic coefficient changes, and elasticity reduction or spring itself become to lack and lead to the unable resilience of spring, finally cause sealed pad can't with the inseparable butt in two door bottoms or because of elasticity can't the butt inadequately, influence the sealing performance of airtight door.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel construction threshold biparting protection airtight door alive reaches long-time reinforcing airtight door sealing performance's effect.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a steel construction threshold bi-leaf protective airtight door alive, includes the door frame and the bi-leaf door body, is provided with the mechanism that opens and shuts on the bi-leaf door body, and the mechanism that opens and shuts supplies the bi-leaf door body to open and close, all slide on the bi-leaf door body and be provided with the closing plate, the closing plate is located the bi-leaf door body and is close to indoor one side, and the closing plate level sets up and is on a parallel with the side at the bi-leaf door body at place, and two closing plate horizontal length sums on the bi-leaf door body equal door frame entrance to a cave width, subaerial holding tank of having seted up, and just length is the same with closing plate length under the holding tank is located the.
By adopting the technical scheme, the door frame is used for fixing the double-door bodies, the opening and closing mechanism controls the opening and closing of the double-door bodies, the sealing plate is inserted and embedded into the accommodating groove through the sliding assembly, and the gap between the bottom of the double-door bodies and the ground is sealed, so that the sealing performance of the double-door bodies is enhanced; the self deformation coefficient of the sealing plate is lower, the sealing plate is inserted and embedded in the accommodating groove to be pressed by the weight of the double-door body for a long time, the generated deformation is small, normal use is not influenced, and the sealing device achieves the effect of enhancing the sealing performance of the sealed door for a long time.
The utility model discloses further set up to: the sliding assembly comprises an electric cylinder and a connecting rod, a strip hole is formed in each double-door body, the strip hole is located in one side of a sealing plate arranged on each double-door body, the strip hole is vertically formed, the connecting rod is horizontally arranged, one end of the connecting rod is fixedly connected with the sealing plate, the other end of the connecting rod penetrates through the strip hole and is fixedly connected with a piston rod of the electric cylinder, the electric cylinder is vertically arranged in the double-door body, the electric cylinder body is fixedly connected with the inner wall of the bottom of the double-door body at the position, and the electric cylinders are arranged on the same connecting rod in quantity and are.
By adopting the technical scheme, the connecting rods connect the electric cylinders in the double-door bodies with the sealing plates, the connecting rods can penetrate through the side walls of the double-door bodies and move in the vertical direction through the long holes, the sealing plates can move up and down, at least two electric cylinders are arranged on the same connecting rod, the electric cylinder farthest away from the sealing plates provides more connecting force, and the situation that when the electric cylinders relatively close to the sealing plates are jacked upwards, the sealing plates are not well balanced and the connecting positions of the connecting rods and the piston rods of the electric cylinders are broken is prevented; the electric cylinder relatively close to the sealing plate provides an intermediate fulcrum when the sealing plate is jacked up, so that the sealing plate is more stable to lift, and the effective implementation of the sealing plate is ensured.
The utility model discloses further set up to: be provided with sealed cushion in the holding tank, sealed cushion covers the holding tank inner wall.
Through adopting above-mentioned technical scheme, the closing plate inserts and inlays and get into the holding tank in the back, and the closing plate outer wall closely inlays tightly with sealed cushion, has further strengthened the sealed effect that holding tank and closing plate brought, makes the sealed effect of two fan body bottoms strengthen once more.
The utility model discloses further set up to: the seal plate is provided with a wear-resistant pad in an inserted and embedded mode, and the wear-resistant pad is located on the side face, close to the bottom of the accommodating groove, of the seal plate.
Through adopting above-mentioned technical scheme, the closing plate is inserting when inlaying the holding tank in the decline, and the abrasion pad has played the effect of decline buffering, has slowed down the direct collision of closing plate lower extreme and holding tank bottom, and the side that the effectual protection closing plate of abrasion pad is close to the tank bottom has avoided side wearing and tearing are serious, influence sealed phenomenon takes place, makes the closing plate can provide long-time effectual sealed effect.
The utility model discloses further set up to: the closing plate is close to holding tank one end and has been seted up T type groove, and T type groove length direction is seted up along closing plate length direction, and the interference of wearing pad is inserted and is inlayed in T type groove.
Through adopting above-mentioned technical scheme, the wearing pad interference is inserted and is inlayed in T type groove, after using the wearing pad for a long time, inserts the fixed mode of inlaying and is convenient for replace, saves time for the workman, and the design in T type groove can play the effect of hanging off to the wearing pad simultaneously, has strengthened the connectivity in wearing pad and T type groove, has guaranteed the effective performance of wearing pad reinforcing gas tightness.
The utility model discloses further set up to: the double-leaf door body is provided with a hand wheel in a rotating mode, the hand wheel is located on one side of the double-leaf door body, the hand wheel is located above the sealing plate, a rack is fixedly arranged on the connecting rod, the rack is perpendicular to the connecting rod, the rack is located on one side of the connecting rod away from the electric cylinder, a rotating rod is fixedly arranged on the hand wheel, and the rotating rod penetrates through a gear fixedly connected with the side wall of the double-leaf door body, and the gear.
Through adopting above-mentioned technical scheme, the setting of hand wheel, dwang, gear and rack, when electric jar broke down, the workman can manually rotate the hand wheel, lifts the closing plate away from the holding tank through the cooperation of dwang, gear and rack, makes the double door body can normally open, guarantees personnel's normal business turn over.
The utility model discloses further set up to: the double-door inner wall is provided with a U-shaped ring, the U-shaped ring is horizontally arranged, one end of an opening of the U-shaped ring is fixedly connected with the inner wall of the double-door, and the rack penetrates through a hole formed by the U-shaped ring and the inner wall of the double-door.
Through adopting above-mentioned technical scheme, the U type ring has carried out spacing protection's effect to the rack of vertical setting, makes the rack can not rock about when rotating because of the gear, has guaranteed the fixed stability of rack.
The utility model discloses further set up to: the contact part of the double-door body and the door frame is in a trapezoidal shape.
By adopting the technical scheme, the trapezoidal sealing contact surface prolongs the path of gas or liquid entering the room, so that the liquid or gas can enter more difficultly, and the air tightness of the double-door body for the room is enhanced.
To sum up, the utility model discloses a beneficial technological effect does:
1. the sealing plate is embedded into the accommodating groove, and the deformation of the sealing plate is very small after the sealing plate is used for a long time, so that the original state can be continuously maintained, and the effect of enhancing the sealing performance of the airtight door for a long time is achieved;
2. the arrangement of the hand wheel, the gear and the rack ensures that the device has double safety, and when the electric cylinder is damaged, the sealing plate can be manually lifted, so that the normal opening of the double-door body is ensured;
3. the joint of the door frame and the double-door body is trapezoidal, so that the air tightness of the double-door body when closed is further enhanced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a portion of the structure at the leg;
FIG. 3 is a sectional view of a portion of the structure at the leg;
FIG. 4 is an exploded view of a portion of the structure at the magnetic ring;
FIG. 5 is a sectional view of the internal structure of the double door body;
fig. 6 is a sectional view showing the structure inside the receiving groove.
In the figure, 1, two door bodies; 11. a strip hole; 12. a hand wheel; 13. rotating the rod; 14. a rack; 15. a gear; 16. a U-shaped ring; 2. an opening and closing mechanism; 3. a sealing plate; 31. a wear pad; 32. a T-shaped groove; 4. a ground surface; 41. accommodating grooves; 411. sealing the rubber gasket; 5. a sliding assembly; 51. an electric cylinder; 52. a connecting rod; 6. a hidden slot; 61. positioning a rod; 62. a support leg; 621. a pulley; 622. a support pad; 7. a locking assembly; 71. a spacing pin; 72. a limiting hole; 73. a through hole; 731. a magnetic ring; 8. a door frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Refer to fig. 1, for the utility model discloses a steel construction threshold biparting protective airtight door that lives, including door frame 8 and the biparting door body 1, the biparting door body 1 is articulated with door frame 8, the biparting door body 1 is to indoor side on, from top to bottom has set gradually mechanism 2 that opens and shuts, hand wheel 12 and closing plate 3, holding tank 41 has been seted up on ground 4, opening and closing mechanism 2 control biparting door body 1 opens and closes, closing plate 3 opens external power source through the staff and realizes the relative biparting door body 1 gliding, finally insert and inlay in holding tank 41, strengthen this device bottom and ground 4's leakproofness, hand wheel 12 provides dual guarantee for closing plate 3's slip, when control closing plate 3's system broke down, the staff passes through hand wheel 12 control closing plate 3's slip, guarantee this device effectual giving play original gas tightness effect for a long time.
Referring to fig. 2, a hidden groove 6 is formed on the side surface of the double-door body 1 away from the hinge shaft, the hidden groove 6 is vertically formed, the hidden groove 6 is rectangular and long, the bottom of the hidden groove 6 is communicated with the outside, a positioning rod 61 is fixedly arranged in the hidden groove 6, the positioning rod 61 is horizontally arranged perpendicular to the two side walls of the hidden groove 6, the positioning rod 61 is positioned at the lower part of the hidden groove 6, a supporting leg 62 is rotatably arranged on the positioning rod 61, the supporting leg 62 is matched with the hidden groove 6, a pulley 621 is fixedly arranged at one end of the supporting leg 62 away from the positioning rod 61, which is only shown in the figure, the effective length of the supporting leg 62 is the same as the vertical distance between the positioning rod 61 and the ground 4, namely when the pulley 621 is positioned below the positioning rod 61, the pulley 621 abuts against the ground 4, when the double-door body 1 is opened, the pulley, the supporting legs 62 reduce the pressure of the hinge shaft, prevent the door body 1 from falling down, ensure the normal closing of the door body 1 and enable the door body 1 to exert the original air tightness effect; when the pulley 621 rolls and abuts against the ground 4, the supporting leg 62 is fixedly provided with an abutting pad 622 close to one side surface of the bottom of the hidden groove 6, the abutting pad 622 buffers the impact force of the falling supporting leg 62 colliding with the bottom of the hidden groove 6, and the abrasion of the supporting leg 62 is reduced.
Referring to fig. 2 and 3, when pulley 621 is located locating lever 61 top, for landing leg 62 state of packing up, landing leg 62 was accomodate completely in hiding groove 6 this moment, and pulley 621 and 6 groove tops butt in hiding groove, support and inlay pad 622 and face the external world, and when the double-door body 1 was closed, two support and inlay pad 622 on the adjacent double-door body 1 crowded each other and support and inlay, further strengthened the sealed effect of double-door body 1 crack department. Be provided with locking Assembly 7 on the double-door body 1, locking Assembly 7 includes, spacer pin 71, spacing hole 72 and through-hole 73, through-hole 73 is seted up on double-door body 1 towards indoor side, through-hole 73 is opened indoor space and hidden groove 6 in, on landing leg 62 has been seted up to spacing hole 72, spacer pin 71 passes through-hole 73 and inserts and inlay in spacing hole 72, accomplish the spacing fixed to landing leg 62, make double-door body 1 can not receive landing leg 62's influence when closing, guarantee the smooth and easy closing of double-door body 1.
Referring to fig. 4, the inner wall of the through hole 73 is provided with a magnetic ring 731, the magnetic ring 731 is inserted into the inner wall of the through hole 73 in an interference manner to form a fixed state, the limit pin 71 is a limit pin 71 made of a material with a magnet capable of adsorbing, and in the inserted state of the limit pin 71, the magnetic ring 731 adsorbs the limit pin 71, so that the insertion effect of the limit pin 71 is further enhanced, and the phenomenon that the limit pin 71 falls off from the through hole 73 due to the vibration of the double-leaf door body 1 is avoided; under the state that the limit pin 71 is taken out, the limit pin 71 can be tightly attached to the magnetic ring 731 to be placed, so that the limit pin 71 is adsorbed on the outer wall of the double-door body 1 through the magnetic ring 731, convenience is provided for workers to use the limit pin 71, and the phenomenon that the limit pin 71 is lost is reduced.
Referring to fig. 5, the double-door body 1 is provided with a long hole 11, the long hole 11 is vertically provided, the long hole 11 is located on one indoor side of the double-door body 1, the horizontal total length of the sealing plate 3 tightly attached to the double-door body 1 is equal to the total width of the door opening, the sealing plate 3 is provided with a connecting rod 52, an electric cylinder 51 is arranged inside the double-door body 1, the connecting rod 52 is horizontally arranged, one end of the connecting rod 52 is fixedly connected with the sealing plate 3, the other end of the connecting rod passes through the long hole 11 to be fixedly connected with a piston rod of the electric cylinder 51, the electric cylinder 51 is vertically arranged, the electric cylinder 51 body is fixedly connected with the inner wall of the bottom of the double-door body 1, in the embodiment, four long holes 11 are arranged, corresponding to the connecting rod 52, wherein the number of the electric cylinders 51 arranged on each connecting rod 52 is two, the two electric cylinders 51 on the connecting rod 52 are arranged, the electric cylinder 51 close to the elongated hole 11 provides an intermediate pivot for the raising of the sealing plate 3, the jacking force provided by the electric cylinder 51 is larger than the connecting force, and the two electric cylinders 51 are matched with each other to ensure the stable sliding of the sealing plate 3. Be provided with hand wheel 12 on the double-door body 1, hand wheel 12 is located closing plate 3 top, hand wheel 12 fixedly connected with dwang 13, dwang 13 level sets up, connecting rod 52 is kept away from the fixed rack 14 that is provided with in electric jar 51 one side, the vertical setting of rack 14, dwang 13 runs through fixedly connected with gear 15 behind the double-door body 1 lateral wall, gear 15 and the meshing of rack 14, 1 inside U type ring 16 that is provided with of double-door body, the lateral wall fixed connection that U type ring 16 opening one end and dwang 13 run through, the level of U type ring 16 sets up, the entrance to a cave that U type ring 16 and its place lateral wall are constituteed itself is passed by rack 14, reach the spacing effect to rack 14, avoid rocking in vertical direction at rack 14, rack 14. Rotate hand wheel 12, hand wheel 12 orders about gear 15 through dwang 13 and rotates, and gear 15 interlock rack 14 takes place the displacement, and rack 14 pulling connecting rod 52 rebound accomplishes shifting up of the relative biparting door body 1 of closing plate 3, makes when this device electricity jar 51 breaks down, and closing plate 3 still can break away from holding tank 41 through staff's manual promotion, guarantees the normal opening and the closing of biparting body. If the double door body 1 needs to be opened for a long time, the sealing plate 3 is moved downwards through the electric cylinder 51 after being opened, so that the bottom of the sealing plate 3 is abutted against the ground 4, the sealing plate 3 plays a supporting role for the suspended double door body 1 at the moment, the dropping of the double door body 1 is prevented, the normal closing of the double door body 1 is ensured, and the original air tightness effect of the double door body 1 is exerted.
Referring to fig. 5 and 6, the holding groove 41 is internally and fixedly provided with a sealing rubber pad 411, and the side wall of the holding groove 41 is covered with the sealing rubber pad 411, so that the sealing effect of the sealing plate 3 inserted and embedded into the holding groove 41 is enhanced. The closing plate 3 has been close to the side of holding tank 41 tank bottom and has been seted up T type groove 32, T type groove 32 is seted up along closing plate 3 length direction, be provided with wear pad 31 on the closing plate 3, wear pad 31 interference is inserted and is inlayed in T type groove 32, closing plate 3 is when descending and insert into holding tank 41, wear pad 31 has played the effect of decline buffering, after door body 1 opens, when closing plate 3 butt is to ground 4, wear pad 31 is equally effectual to have protected closing plate 3 and is close to the side on ground 4, the life of closing plate 3 has been prolonged.
Referring back to fig. 1, the contact position of the double-door body 1 and the door frame 8 is in a trapezoid shape, and the trapezoid-shaped sealing contact surface prolongs the path of gas or liquid entering the room, so that the liquid or gas can enter more difficultly, the air tightness of the device during long-term use is further enhanced, and the indoor and outdoor isolation effect is improved.
The implementation principle of the embodiment is as follows: the electric cylinder 51 is driven to work by an external power supply, a piston rod of the electric cylinder 51 moves as a piston, the sealing plate 3 is lifted out of the accommodating groove 41 through the connecting rod 52, the opening and closing mechanism 2 is started to open the double-door body 1, the limiting pin 71 is drawn out and placed at the magnetic ring 731, the supporting leg 62 rotates along the positioning rod 61 and falls down, the pulley 621 is in contact with the ground 4, the pulley 621 rolls along with the opening of the double-door body 1, when the double-door body 1 is opened to a specified position, the sealing plate 3 is put down by fixing the pulley 621 at the same time, the supporting leg 62 and the sealing plate 3 simultaneously play a supporting role on the suspended double-door body 1, and the double-door body 1 is prevented from falling and deforming; when closing the double door body 1, lift up closing plate 3, accomodate landing leg 62 in hidden groove 6 and fix landing leg 62 with spacer pin 71, the double door body 1 starts mechanism 2 that opens and shuts after closing completely and locks the double door body 1, driving electric jar 51 transfers closing plate 3 and imbeds holding tank 41, accomplish the sealing in double door body 1 bottom and 4 clearances on ground, prevented the deformation after this device uses for a long time, promoted the sealed effect of this device long-time use.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a steel construction threshold biparting protective airtight door that lives, includes door frame (8) and the biparting body (1), is provided with mechanism (2) that opens and shuts on the biparting body (1), and mechanism (2) that opens and shuts supply the biparting body (1) to open and close its characterized in that: the double-door body (1) is provided with sealing plates (3) in a sliding mode, the sealing plates (3) are located on one side, close to the interior, of the double-door body (1), the sealing plates (3) are horizontally arranged and parallel to the side face of the double-door body (1), the sum of the horizontal lengths of the two sealing plates (3) on the double-door body (1) is equal to the width of a hole of a door frame (8), a containing groove (41) is formed in the ground (4), the containing groove (41) is located under the sealing plates (3) and is as long as the sealing plates (3), a sliding assembly (5) is arranged between the sealing plates (3) and the double-door body (1), and the sealing plates (3) are inserted into the containing groove (41) in a sliding mode through; the sliding assembly (5) comprises electric cylinders (51) and connecting rods (52), the two door bodies (1) are provided with strip holes (11), the strip holes (11) are located on one sides of the two door bodies (1) where the sealing plates (3) are arranged, the strip holes (11) are vertically formed, the connecting rods (52) are horizontally arranged, one ends of the connecting rods (52) are fixedly connected with the sealing plates (3), the other ends of the connecting rods penetrate through the strip holes (11) and are fixedly connected with piston rods of the electric cylinders (51), the electric cylinders (51) are vertically arranged in the two door bodies (1), bodies of the electric cylinders (51) are fixedly connected with the inner walls of the bottoms of the two door bodies (1), and the electric cylinders (51) on the same connecting rod (52) are arranged in number which are not less than two and are arranged along the length direction of the connecting rods (52); rotate on the double-door body (1) and be provided with hand wheel (12), hand wheel (12) are located double-door body (1) and are provided with closing plate (3) one side, hand wheel (12) are located closing plate (3) top, fixed rack (14) that are provided with on connecting rod (52), rack (14) perpendicular to connecting rod (52), electric cylinder (51) one side is kept away from in rack (14) are located connecting rod (52), fixed dwang (13) that is provided with on hand wheel (12), dwang (13) run through double-door body (1) lateral wall fixedly connected with gear (15), gear (15) and rack (14) meshing.
2. The steel structure movable threshold double-leaf protective airtight door as claimed in claim 1, wherein: be provided with sealed cushion (411) in holding tank (41), sealed cushion (411) cover holding tank (41) inner wall.
3. The steel structure movable threshold double-leaf protective airtight door as claimed in claim 2, wherein: the sealing plate (3) is provided with a wear-resistant pad (31) in an inserted and embedded mode, and the wear-resistant pad (31) is located on the side face, close to the bottom of the accommodating groove (41), of the sealing plate (3).
4. The steel structure movable threshold double-leaf protective airtight door as claimed in claim 3, wherein: the sealing plate (3) is close to one end of the accommodating groove (41) and is provided with a T-shaped groove (32), the length direction of the T-shaped groove (32) is arranged along the length direction of the sealing plate (3), and the wear-resistant pad (31) is inserted into the T-shaped groove (32) in an interference manner.
5. The steel structure movable threshold double-leaf protective airtight door as claimed in claim 1, wherein: the inner wall of the double-door body (1) is provided with a U-shaped ring (16), the U-shaped ring (16) is horizontally arranged, one end of an opening of the U-shaped ring (16) is fixedly connected with the inner wall of the double-door body (1), and the rack (14) penetrates through a hole formed by the U-shaped ring (16) and the inner wall of the double-door body (1).
6. The steel structure movable threshold double-leaf protective airtight door as claimed in claim 1, wherein: the contact part of the double-door body (1) and the door frame (8) is in a trapezoid shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020633898.7U CN212642501U (en) | 2020-04-24 | 2020-04-24 | Steel construction threshold biparting protective airtight door that lives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020633898.7U CN212642501U (en) | 2020-04-24 | 2020-04-24 | Steel construction threshold biparting protective airtight door that lives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212642501U true CN212642501U (en) | 2021-03-02 |
Family
ID=74794622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020633898.7U Expired - Fee Related CN212642501U (en) | 2020-04-24 | 2020-04-24 | Steel construction threshold biparting protective airtight door that lives |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212642501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605810A (en) * | 2021-08-18 | 2021-11-05 | 四川省集坤特种设备有限公司 | Steel-structure movable doorsill double-leaf protective airtight door and machining process |
-
2020
- 2020-04-24 CN CN202020633898.7U patent/CN212642501U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605810A (en) * | 2021-08-18 | 2021-11-05 | 四川省集坤特种设备有限公司 | Steel-structure movable doorsill double-leaf protective airtight door and machining process |
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