CN211692052U - Steel structure double-leaf airtight door - Google Patents
Steel structure double-leaf airtight door Download PDFInfo
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- CN211692052U CN211692052U CN202020216475.5U CN202020216475U CN211692052U CN 211692052 U CN211692052 U CN 211692052U CN 202020216475 U CN202020216475 U CN 202020216475U CN 211692052 U CN211692052 U CN 211692052U
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Abstract
The utility model relates to a two airtight doors of steel construction belongs to the technical field of door and window structure, including installing door frame on the wall body and installing first door leaf and second door leaf on two vertical lateral walls of door frame respectively, the door frame is bottom open-ended "U" form, and the bottom of first door leaf and second door leaf is connected with first closing plate and second closing plate respectively, is connected with its elevating system who reciprocates of drive on first closing plate and the second closing plate, subaerial preset with the seal groove of first closing plate and second closing plate looks adaptation. The utility model discloses guarantee when closing under the prerequisite of leakproofness, do not form protruding obstacle on ground when opening, have the effect that reduces the possibility that influences the vehicle and travel.
Description
Technical Field
The utility model belongs to the technical field of the technique of door and window structure and specifically relates to a steel construction two-leaf airtight door is related to.
Background
The protective airtight door can block shock waves, meets the corresponding resistance requirement, is light in self weight and flexible in opening and closing, and is usually used for vehicle entrances and exits with relatively large sizes. The steel protective airtight door adopts a side-hung type, is divided according to the number of door leaves, and has a single-leaf civil air defense door and a double-leaf civil air defense door. Single doors are typically used for smaller size passenger access and double doors are typically used for larger size vehicle access.
The utility model discloses a grant utility model patent that bulletin number is CN207794980U discloses a steel construction two leaf protection sealing door, the articulated first door plant of door frame one side, the articulated second door plant of door frame opposite side, a set of backing plate of fixed connection on the first door plant, the articulated lockplate of backing plate is equipped with two locking devices that are used for locking first door plant and second door plant on the lockplate, is equipped with the lock sleeve on the door frame, is equipped with the locking device who is used for locking first door plant or second door plant in the lock sleeve, and locking device fixed connection is in on first door plant or the second door plant. The utility model has the advantages that: when one of the locking device and the locking device for locking the civil air defense door fails, the other device can still lock the civil air defense door, and when the locking device and the locking device both work normally, better locking and sealing effects can be achieved.
The above prior art solutions have the following drawbacks: in order to enhance the sealing performance between the door frame and the door leaf, the door frame in the technical scheme is a rectangular frame, but the bottom wall of the door frame protrudes on the ground to form a barrier when the door frame is installed, so that the inconvenience of vehicle traveling can be caused.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a two airtight doors of steel construction guarantees under the prerequisite of seal when closing, does not form the arch on ground when opening, reduces the possibility that influences the vehicle and travel.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a two airtight doors of steel construction, is including installing the door frame on the wall body and installing first door leaf and second door leaf on two vertical lateral walls of door frame respectively, the door frame is bottom open-ended "U" form, and the bottom of first door leaf and second door leaf is connected with first closing plate and second closing plate respectively, is connected with its elevating system who reciprocates of drive on first closing plate and the second closing plate, subaerially presets the seal groove with first closing plate and second closing plate looks adaptation.
By adopting the technical scheme, when the first door leaf and the second door leaf need to be closed, a user can insert the first sealing plate and the second sealing plate into the sealing grooves on the ground through the lifting mechanism, and the first sealing plate and the second sealing plate are connected with the bottom ends of the first door leaf and the second door leaf, so that gaps between the first door leaf and the second door leaf on the ground can be sealed, and the sealing property is improved; when first door leaf and second door leaf were opened to needs, user of service accessible elevating system rose first closing plate and second closing plate to more than ground from the seal groove, then rotate first door leaf and second door leaf open can, because ground does not have threshold and door frame, the vehicle is current more unblocked, reduces the door frame and influences the current possibility of vehicle.
The present invention may be further configured in a preferred embodiment as: the bottom ends of the first sealing plate and the second sealing plate are gradually narrowed from top to bottom to form a cone shape.
Through adopting above-mentioned technical scheme, the bottom is the seal groove on the conical first closing plate and the second closing plate is changeed inserting, and it is more convenient to use.
The present invention may be further configured in a preferred embodiment as: the holding tank has been seted up on the all wall top of seal groove, fixedly connected with seal assembly in the holding tank, seal assembly include with the fixed many reset spring of holding tank diapire, reset spring keeps away from holding tank diapire one end fixedly connected with baffle, and holding tank one side is kept away from to the baffle is the cambered surface.
By adopting the technical scheme, when the first door leaf and the second door leaf need to be closed, a user can insert the first sealing plate and the second sealing plate into the accommodating groove through the lifting mechanism after rotating the first door leaf and the second door leaf right above the sealing groove, in the process, the conical bottom ends of the first sealing plate and the second sealing plate extrude the cambered surface of the baffle, and one end of the baffle, which is close to the accommodating groove, moves into the accommodating groove and extrudes the reset spring; when first door leaf and second door leaf were opened to needs, the user can rise first closing plate and second closing plate more than ground, and in this process, reset spring resumes former length and promotes the baffle and pop out the holding tank, gets up the holding tank closing cap, when reducing and opening first door leaf and second door leaf, debris dropped the possibility in the seal groove.
The present invention may be further configured in a preferred embodiment as: the lifting mechanism comprises a gear installed on a first door leaf or a second door leaf, the gear is meshed with a rack horizontally arranged, two ends of the rack are connected with vertical connecting cables, a steering mechanism for changing the motion direction of the connecting cables is installed on the first door leaf or the second door leaf, one end, away from the rack, of each connecting cable at two ends of the rack on the first door leaf extends downwards and is connected with a first sealing plate, one end, away from the rack, of each connecting cable at two ends of the rack on the second door leaf extends downwards and is connected with a second sealing plate, a connecting shaft perpendicular to the plane where the first door leaf is located is inserted in the axis of the gear, and two ends of the connecting shaft penetrate through two faces of the first door leaf or the second door leaf respectively and are fixedly connected.
By adopting the technical scheme, when the first door leaf or the second door leaf needs to be opened, a user can rotate a hand wheel on the first door leaf or the second door leaf to drive the gear to rotate, the gear drives the rack to move, and the rack drives the connecting cables at the two ends of the rack to move upwards, so that the first sealing plate and the second sealing plate are lifted above the ground; when the first door leaf or the second door leaf needs to be closed, a user can rotate the hand wheel reversely to drive the gear to rotate, so that the rack is driven to move reversely, the first sealing plate or the second sealing plate is inserted into the sealing groove under the action of gravity, and the ground and the first door leaf or the second door leaf are sealed.
The present invention may be further configured in a preferred embodiment as: the steering mechanism comprises a connecting rod which is rotationally connected with two ends of the rack, one end, far away from the rack, of the connecting rod is connected with a V-shaped rotating arm, the middle of the rotating arm is rotationally connected with the first door leaf or the second door leaf, one side wall of the rotating arm is rotationally connected with the connecting rod, and the other side wall of the rotating arm is rotationally connected with the connecting cable.
By adopting the technical scheme, when the rack moves, the connecting rods at the two ends of the rack are driven to rotate, the connecting rods drive the rotating arms to rotate, so that the vertically arranged connecting cables are driven to move upwards or downwards, and the connecting cables drive the first sealing plate or the second sealing plate to move upwards or downwards.
The present invention may be further configured in a preferred embodiment as: the steering mechanism comprises two fixed pulleys arranged on two sides of the same connecting cable.
By adopting the technical scheme, when the rack moves, the section of the connecting cable connected with the rack can horizontally move to drive the connecting cable to move upwards, and the vertical section of the connecting cable keeps vertical movement through the redirection of the fixed pulley to drive the first sealing plate or the second sealing plate to move upwards or downwards.
The present invention may be further configured in a preferred embodiment as: the door frame comprises an aluminum honeycomb plate and a metal outer layer sleeved on the periphery of the aluminum honeycomb plate.
Through adopting above-mentioned technical scheme, aluminium honeycomb panel has high wind pressure resistance, shock attenuation, gives sound insulation, keeps warm, fire-retardant, excellent properties such as intensity height, and the outer equipment of metal is favorable to improving performances such as fire prevention, the sound insulation of door frame.
The present invention may be further configured in a preferred embodiment as: the outer layer is close to one side fixedly connected with butt plate of first door leaf and second door leaf, butt plate one end and outer fixed connection, and the butt plate is kept away from butt plate one end and is extended to first door leaf or second door leaf.
Through adopting above-mentioned technical scheme, when closing first door leaf and second door leaf, first door leaf and second door leaf butt can reduce noise or smoke and dust etc. and get into indoor possibility from the junction of first door leaf and second door leaf and door frame, improve the leakproofness between first door leaf and second door leaf and the door frame.
The present invention may be further configured in a preferred embodiment as: the surface of one side of the abutting plate facing the first door leaf or the second door leaf is wavy along the length direction, and the surface of the abutting part of the first door leaf or the second door leaf and the abutting plate is wavy in a shape matched with the surface of the abutting plate.
Through adopting above-mentioned technical scheme, noise or smoke and dust etc. form the stream of detouring in first door leaf or second door leaf and butt plate butt department, and it is more difficult to get into indoorly, further strengthen the first door leaf and the second door leaf and the door frame between sealed.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when the first door leaf and the second door leaf need to be opened, a user can lift the first sealing plate and the second sealing plate from the sealing groove to be above the ground through the lifting mechanism and then rotate the first door leaf and the second door leaf to open, and as the ground is not provided with a doorsill and a door frame, the vehicle can pass more smoothly, and the possibility that the door frame influences the vehicle passing is reduced;
2. when the first door leaf and the second door leaf are opened, the baffle plate can seal the accommodating groove, so that the possibility that sundries fall into the sealing groove when the first door leaf and the second door leaf are opened is reduced;
3. first door leaf and second door leaf butt are on the butt joint board, can reduce noise or smoke and dust etc. from the junction entering indoor possibility of first door leaf and second door leaf and door frame, improve the leakproofness between first door leaf and second door leaf and the door frame.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view for showing the elevating mechanism in embodiment 1;
FIG. 4 is an enlarged view of portion B of FIG. 3;
FIG. 5 is an enlarged view of portion C of FIG. 2;
fig. 6 is a schematic view for showing the elevating mechanism in embodiment 2.
Reference numerals: 1. a door frame; 11. an aluminum honeycomb panel; 12. an outer layer; 13. a butt joint plate; 14. a hinge; 2. a first door leaf; 21. a first sealing plate; 22. a first mounting groove; 3. a second door leaf; 31. a second sealing plate; 32. a second mounting groove; 4. a lifting mechanism; 41. a gear; 411. a connecting shaft; 412. a hand wheel; 42. a rack; 43. a connecting cable; 44. a steering mechanism; 441. a connecting rod; 442. a rotating arm; 443. a fixed pulley; 5. a sealing groove; 51. accommodating grooves; 52. a seal assembly; 521. a return spring; 522. a baffle plate; 6. a first mounting seat; 7. and a second mounting seat.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1 and 2, for the utility model discloses a two airtight doors of steel construction, including installing door frame 1 on the wall body and installing first door leaf 2 and second door leaf 3 on two vertical lateral walls of door frame 1 respectively, the bottom of first door leaf 2 and second door leaf 3 is connected with first closing plate 21 and second closing plate 31 respectively for sealed gap between 3 bottoms of first door leaf 2 and second door leaf and the ground, reinforcing seal. The first sealing plate 21 and the second sealing plate 31 are connected with a lifting mechanism 4 for driving the first sealing plate 21 and the second sealing plate 31 to move up and down, and the sealing grooves 5 matched with the first sealing plate 21 and the second sealing plate 31 are preset on the ground and used for clamping the first sealing plate 21 and the second sealing plate 31.
Referring to fig. 1 and 2, door frame 1 is bottom open-ended "U" form, and door frame 1 includes aluminium honeycomb panel 11 and the cover establishes the outer 12 of metal in aluminium honeycomb panel 11 periphery, and aluminium honeycomb panel 11 has anti high wind pressure, shock attenuation, gives sound insulation, keeps warm, fire-retardant, excellent properties such as intensity height, and the outer 12 equipment of metal is favorable to improving performances such as fire prevention, the sound insulation of door frame 1. The one side that two vertical lateral walls of door frame 1 are close to each other is fixed with a plurality of hinges 14 through the screw, and one of them arm of hinge 14 is fixed with door frame 1, and another arm passes through the screw and is fixed with first door leaf 2 and second door leaf 3 for first door leaf 2 and second door leaf 3 can rotate and realize the switching.
In order to reduce noise or smoke and dust etc. and get into indoor possibility from the junction of first door leaf 2 and second door leaf 3 and door frame 1, improve the leakproofness between first door leaf 2 and second door leaf 3 and the door frame 1, outer 12 is close to one side fixed welding of first door leaf 2 and second door leaf 3 has butt board 13, butt board 13 one end is fixed with outer 12, butt board 13 is kept away from butt board 13 one end and is extended to first door leaf 2 or second door leaf 3, when making to close first door leaf 2 and second door leaf 3, first door leaf 2 and the butt of second door leaf 3 are on butt board 13.
Abutting plate 13 is wavy along length direction towards one side surface of first door leaf 2 or second door leaf 3, and the surface of first door leaf 2 or second door leaf 3 and 13 butt departments of abutting plate is wavy with 13 surperficial looks adaptations of abutting plate for noise or smoke and dust etc. form the stream of detouring in first door leaf 2 or second door leaf 3 and 13 butt departments of abutting plate, and it is more difficult to get into indoorly, further strengthen the leakproofness between first door leaf 2 and second door leaf 3 and door frame 1.
Referring to fig. 2 and 3, the bottom ends of the first door leaf 2 and the second door leaf 3 are respectively provided with a first mounting groove 22 and a second mounting groove 32 with downward openings, for mounting the first sealing plate 21, the second sealing plate 31 and the lifting mechanism 4. The first mounting groove 22 and the second mounting groove 32 are provided with sliding grooves near two vertical side walls of the door frame 1, and the first sealing plate 21 and the second sealing plate 31 are slidably connected to the sliding grooves near one side of the sliding grooves, so that the possibility of deflection in the lifting process of the first sealing plate 21 and the second sealing plate 31 is reduced.
Elevating system 4 is including installing at the gear 41 of first mounting groove 22 and second mounting groove 32 inside wall along length direction, the meshing of gear 41 top is connected with the rack 42 of level setting, there are a plurality of first mount pads 6 through the fix with screw on the first mounting groove 22 and second mounting groove 32 inside wall, first mount pad 6 is "U" form and its two relative lateral walls pass through the fix with screw on first mounting groove 22 and second mounting groove 32 lateral wall after outwards buckling perpendicularly, the both ends of rack 42 pass from the first mount pad 6 and the space between first mounting groove 22 and the second mounting groove 32 to fix rack 42 on first mounting groove 22 and second mounting groove 32 lateral wall.
A connecting shaft 411 perpendicular to the plane of the first door leaf 2 is inserted into the axis of the gear 41, two ends of the connecting shaft 411 respectively penetrate through the first door leaf 2 or the second door leaf 3 and are located on the indoor side and the outdoor side, a hand wheel 412 is connected with the connecting shaft through threads, a through hole for the connecting shaft 411 to penetrate through is formed in the axis of the gear 41, and the through hole of the gear 41 is welded and fixed with the outer peripheral wall of the connecting shaft 411, so that a user can drive the gear 41 through rotating the hand wheel 412 indoors or outdoors, and the rack 42 is driven to move.
Two ends of the rack 42 are provided with vertical connecting cables 43, the connecting cables 43 can be steel wire ropes, one end of the connecting cable 43 on the first door leaf 2, which is far away from the rack 42, extends downwards and is fixedly adhered to the top wall of the first sealing plate 21, one end of the connecting cable 43 on the second door leaf 3, which is far away from the rack 42, extends downwards and is fixedly adhered to the top wall of the second sealing plate 31, so that when the connecting cable 43 moves up and down, the bottom ends of the first sealing plate 21 and the second sealing plate 31 can be driven to move up and down and be higher than the ground or.
Referring to fig. 4, in order to facilitate the rack 42 moving up and down while moving horizontally, a steering mechanism 44 for changing the moving direction of the connecting cable 43 is installed on the first door leaf 2 and the second door leaf 3. The steering mechanism 44 includes a connecting rod 441 rotatably connected to both ends of the rack 42, and a "V" shaped rotating arm 442 is rotatably connected to one end of the connecting rod 441 remote from the rack 42. The first door leaf 2 and the second door leaf 3 are provided with a second mounting seat 7, the second mounting seat 7 is U-shaped and has an opening facing the hand wheel 412 horizontally, one side wall of the second mounting seat 7 is fixed on the first door leaf 2 and the second door leaf 3 through a screw, and the middle part of the rotating arm 442 is rotatably connected to two opposite side walls of the second mounting seat 7.
The rotation arm 442 is vertically disposed and opened toward the gear 41, and one side wall of the rotation arm 442 is rotatably connected to the connection rod 431 and the other side wall is rotatably connected to the top end of the connection cable 43. When the rack 42 moves transversely, the connecting rod 441 is driven to rotate, the connecting rod 441 drives the rotating arm 442 to rotate, and one arm connected with the connecting cable 43 moves upwards during the rotating process of the rotating arm 442, so that the first sealing plate 21 and the second sealing plate 31 are pulled to move upwards; when the rack 42 moves in the reverse direction, the connecting rod 441 rotates the reverse rotation arm 442, and an arm connected to the connecting cable 43 moves downward during the rotation of the rotation arm 442, so that the first sealing plate 21 and the second sealing plate 31 move downward under gravity to be inserted into the sealing groove 5.
Referring to fig. 5, the bottom ends of the first and second sealing plates 21 and 31 are tapered from top to bottom perpendicular to both sides of the two vertical sidewalls of the door frame 1, so that the first and second sealing plates 21 and 31 are more easily inserted into the sealing groove 5 on the ground, and are more convenient to use.
When the first door leaf 2 and the second door leaf 3 need to be closed, a user can rotate the first door leaf 2 and the second door leaf 3 to be right above the sealing groove 5, and then insert the first sealing plate 21 and the second sealing plate 31 into the sealing groove 5 through the lifting mechanism 4, in the process, the conical bottom ends of the first sealing plate 21 and the second sealing plate 31 press the arc surface of the baffle 522, and one end of the baffle 522, which is close to the accommodating groove 51, moves into the accommodating groove 51 and presses the return spring 521; when the first door leaf 2 and the second door leaf 3 need to be opened, a user can lift the first sealing plate 21 and the second sealing plate 31 above the ground, in the process, the return spring 521 recovers the original length and pushes the baffle 522 to pop out the accommodating groove 51, the accommodating groove 51 is covered, and the possibility that sundries fall into the accommodating groove 51 when the first door leaf 2 and the second door leaf 3 are opened is reduced.
When the first door leaf 2 or the second door leaf 3 needs to be opened, a user can rotate the hand wheel 412 on the first door leaf 2 or the second door leaf 3 to drive the gear 41 to rotate, the gear 41 drives the rack 42 to move, and the rack 42 drives the connecting cables 43 at the two ends to move upwards, so that the first sealing plate 21 and the second sealing plate 31 are lifted above the ground; when the first door leaf 2 or the second door leaf 3 needs to be closed, a user can rotate the hand wheel 412 reversely to drive the gear 41 to rotate reversely, so that the rack 42 is driven to move reversely, and the first sealing plate 21 or the second sealing plate 31 is inserted into the sealing groove 5 under the action of gravity to seal the ground and the first door leaf 2 or the second door leaf 3.
The specific use mode of the embodiment is as follows: when the first door leaf 2 and the second door leaf 3 need to be opened, the hand wheel 412 on the first door leaf 2 or the second door leaf 3 can be rotated to drive the gear 41 to rotate, the gear 41 drives the rack 42 to move, the rack 42 drives the connecting cables 43 at the two ends to move upwards, so that the first sealing plate 21 and the second sealing plate 31 are lifted above the ground, then the first door leaf 2 and the second door leaf 3 are rotated to be opened, and the vehicle can pass more smoothly because the ground has no doorsill and the bottom wall of the door frame 1, and the possibility that the door frame 1 influences the vehicle passing is reduced; when first door leaf 2 and second door leaf 3 need be closed, but user of service can reverse rotation hand wheel 412, drive gear 41 antiport to drive rack 42 antiport, first closing plate 21 or second closing plate 31 insert under the action of gravity in seal groove 5, because first closing plate 21 and second closing plate 31 link to each other with first door leaf 2 and the 3 bottom of second door leaf, can be sealed first door leaf 2 and the gap on second door leaf 3 on ground, improve the leakproofness.
Example 2:
referring to fig. 6, the steel structure double-leaf airtight door is different from embodiment 1 in that the steering mechanism 44 includes two fixed pulleys 443 installed on both sides of the vertical section of the same connecting cable 43, and the axial center position of the fixed pulleys 443 is fixed to the first door leaf 2 or the second door leaf 3 by screws. When the rack 42 moves, the section of the connecting cable 43 connected with the rack 42 can move horizontally, so that the connecting cable 43 is driven to move upwards, and the vertical section of the connecting cable 43 keeps moving vertically through the redirection of the fixed pulley 443, so that the first sealing plate 21 or the second sealing plate 31 is driven to move upwards or downwards. The specific manner of use of this example is the same as in example 1.
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 (9)
1. The utility model provides a steel construction two closed door, is including installing door frame (1) on the wall body and installing first door leaf (2) and second door leaf (3) on two vertical lateral walls of door frame (1) respectively, its characterized in that: the door frame (1) is the bottom open-ended "U" form, and the bottom of first door leaf (2) and second door leaf (3) is connected with first closing plate (21) and second closing plate (31) respectively, is connected with its elevating system (4) that reciprocates of drive on first closing plate (21) and second closing plate (31), subaerial seal groove (5) of presetting with first closing plate (21) and second closing plate (31) looks adaptation.
2. The steel structural double-leaf containment door of claim 1, wherein: the bottom ends of the first sealing plate (21) and the second sealing plate (31) are gradually narrowed from top to bottom to form a cone shape.
3. The steel structural double-leaf containment door of claim 2, wherein: holding tank (51) have been seted up on seal groove (5) perisporium top, fixedly connected with seal assembly (52) in holding tank (51), seal assembly (52) include with many reset spring (521) that holding tank (51) diapire are fixed, and holding tank (51) diapire one end fixedly connected with baffle (522) are kept away from in reset spring (521), and holding tank (51) one side is kept away from in baffle (522) is the cambered surface.
4. The steel structural double-leaf containment door of claim 1, wherein: the lifting mechanism (4) comprises a gear (41) arranged on the first door leaf (2) or the second door leaf (3), the gear (41) is meshed with a rack (42) which is horizontally arranged, two ends of the rack (42) are connected with vertical connecting cables (43), a steering mechanism (44) for changing the movement direction of the connecting cables (43) is arranged on the first door leaf (2) and the second door leaf (3), the connecting cables (43) at two ends of the rack (42) on the first door leaf (2) are far away from one end of the rack (42) and extend downwards and are connected with the first sealing plate (21), the connecting cables (43) at two ends of the rack (42) on the second door leaf (3) are far away from one end of the rack (42) and extend downwards and are connected with the second sealing plate (31), a connecting shaft (411) perpendicular to the plane of the first door leaf (2) is inserted in the shaft center of the gear (41), two ends of the connecting shaft (411) penetrate through two surfaces of the first door leaf (2) or the second door leaf (3) respectively and are ).
5. The steel structural double-leaf airtight door according to claim 4, characterized in that: the steering mechanism (44) comprises a connecting rod (441) rotatably connected with two ends of the rack (42), one end, far away from the rack (42), of the connecting rod (441) is connected with a V-shaped rotating arm (442), the middle of the rotating arm (442) is rotatably connected with the first door leaf (2) or the second door leaf (3), one side wall of the rotating arm (442) is rotatably connected with the connecting rod (441), and the other side wall of the rotating arm is rotatably connected with the connecting cable (43).
6. The steel structural double-leaf airtight door according to claim 4, characterized in that: the steering mechanism (44) comprises two fixed pulleys (443) arranged on two sides of the same connecting cable (43).
7. The steel structural double-leaf containment door of claim 1, wherein: the door frame (1) comprises an aluminum honeycomb panel (11) and a metal outer layer (12) sleeved on the periphery of the aluminum honeycomb panel (11).
8. The steel structural double-leaf containment door of claim 7, wherein: one side fixedly connected with butt plate (13) that skin (12) are close to first door leaf (2) and second door leaf (3), butt plate (13) one end and skin (12) fixed connection, outer (12) one end is kept away from in butt plate (13) extends to first door leaf (2) or second door leaf (3).
9. The steel structural double-leaf containment door of claim 8, wherein: the abutting plate (13) faces one side surface of the first door leaf (2) or the second door leaf (3) and is wavy along the length direction, and the surface of the abutting position of the first door leaf (2) or the second door leaf (3) and the abutting plate (13) is wavy in shape matched with the surface of the abutting plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216475.5U CN211692052U (en) | 2020-02-26 | 2020-02-26 | Steel structure double-leaf airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216475.5U CN211692052U (en) | 2020-02-26 | 2020-02-26 | Steel structure double-leaf airtight door |
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| Publication Number | Publication Date |
|---|---|
| CN211692052U true CN211692052U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202020216475.5U Active CN211692052U (en) | 2020-02-26 | 2020-02-26 | Steel structure double-leaf airtight door |
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| CN (1) | CN211692052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115316680A (en) * | 2022-06-17 | 2022-11-11 | 浙江大好大食品有限公司 | Melon seed drying assembly line |
-
2020
- 2020-02-26 CN CN202020216475.5U patent/CN211692052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115316680A (en) * | 2022-06-17 | 2022-11-11 | 浙江大好大食品有限公司 | Melon seed drying assembly line |
| CN115316680B (en) * | 2022-06-17 | 2023-09-19 | 浙江大好大食品有限公司 | Melon seed drying assembly line |
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