CN217735178U - Steel construction single leaf airtight door - Google Patents

Abstract

The utility model relates to a steel construction list fan airtight door, it includes door frame and door leaf, the door leaf articulates in the door frame, it is provided with the slide bar to slide along the width direction of door leaf on the door leaf, the fixed fitting pin that is provided with on the slide bar, the fitting pin is provided with a plurality ofly along the length direction of slide bar, set up on the door frame and supply fitting pin male locking groove, the fitting pin is pegged graft with the locking groove, be provided with on the door leaf and be used for driving the gliding drive assembly of slide bar. The driving assembly drives the sliding rod to slide along the width direction of the door leaf, and the sliding rod drives the locking pins to slide simultaneously until the locking pins are inserted into the locking grooves, so that the door leaf is fixed. Insert the door frame through a plurality of fitting pins, increased the joint strength between door leaf and the door frame to a certain extent, can keep better stability when receiving external impact to factor of safety has been improved.

Description

Steel construction single leaf sealing door

Technical Field

The application relates to the technical field of civil air defense engineering, in particular to a steel structure single-leaf airtight door.

Background

Steel construction protective airtight door is a protective equipment who installs on the building, and mainly used blocks the shock wave and completely cuts off poisonous gas, meets the accident and closes protective airtight door and can play the safeguard personnel safety of protective action. 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.

Chinese patent with publication number CN208236227U discloses a reinforced concrete protective airtight door, which comprises an airtight door main body, wherein a reinforcing steel layer and a concrete layer are respectively arranged inside the airtight door main body, the reinforcing steel layer is positioned on one side of the concrete layer, one side of the airtight door main body is connected with a protective frame through a hinge, a ventilation window is arranged on the front end surface of the airtight door main body, and a door handle is arranged below the ventilation window. The reinforcing steel bar layer and the concrete layer have the advantage of high structural strength, and the reinforcing steel bar layer and the concrete layer are mixed together, so that the overall structural strength of the airtight door is greatly improved. The card is fixed on the handle, when the handle is rotated, the card and the handle rotate synchronously, and the card is clamped into the protective frame to close the main body of the airtight door.

To foretell correlation technique, because only be connected fixedly through a card between airtight door main part and the protective frame, the door handle is destroyed easily when receiving great impact for the joint strength of upper end, lower extreme and protective frame of airtight door main part is relatively poor, and factor of safety is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve factor of safety, this application provides a steel construction single leaf airtight door.

The application provides a pair of steel construction single leaf airtight door adopts following technical scheme:

the utility model provides a steel construction single leaf airtight door, includes door frame and door leaf, the door leaf articulates in the door frame, it is provided with the slide bar to slide along the width direction of door leaf on the door leaf, the fixed fitting pin that is provided with on the slide bar, the fitting pin is provided with a plurality ofly along the length direction of slide bar, set up on the door frame and supply fitting pin male locking groove, the fitting pin is pegged graft with the locking groove, be provided with on the door leaf and be used for driving the gliding drive assembly of slide bar.

Through adopting above-mentioned technical scheme, slide bar slides along the width direction of door leaf through drive assembly drive slide bar, and the slide bar drives a plurality of fitting pins and slides simultaneously, until a plurality of fitting pins insert the locking groove, realizes the fixed of door leaf. The locking pins are inserted into the door frame, so that the connection strength between the door leaf and the door frame is increased to a certain extent, and better stability can be kept when external impact is applied, thereby improving the safety coefficient.

Optionally, the driving assembly includes a sliding frame, an incomplete gear and a rack, the sliding frame is slidably disposed on the door leaf along the width direction of the door leaf, a connecting rod is fixedly disposed at one end of the sliding frame, the sliding rod is fixedly connected with the connecting rod, the rack is fixedly disposed on the inner wall of the sliding frame, the incomplete gear is rotatably disposed in the sliding frame, the incomplete gear is engaged with the rack, and the door leaf is provided with a rotating assembly for driving the incomplete gear to rotate.

Through adopting above-mentioned technical scheme, through the incomplete gear of runner assembly drive rotation, realize the gliding purpose of sliding frame through incomplete gear at the sliding frame internal rotation and the meshing of incomplete gear and rack, the slip through the slip drive slide bar of sliding frame slides, and the reciprocal slip through the slide bar realizes that a plurality of fitting pins insert fixed door leaf and a plurality of fitting pin leave the purpose that the locking groove opened the door leaf in the locking groove.

Optionally, the rotating assembly comprises a rotating disc and a rotating shaft, the rotating shaft is rotatably arranged on the door leaf, the incomplete gear is fixedly sleeved on the rotating shaft, the rotating disc is fixedly sleeved on the rotating shaft, and a limiting part for preventing the rotating shaft from rotating is arranged on the rotating shaft.

Through adopting above-mentioned technical scheme, make the pivot rotate through rotating the rolling disc, the pivot drives incomplete gear revolve, realizes the gliding purpose of sliding frame through incomplete gear at sliding frame internal rotation and the meshing of incomplete gear and rack.

Optionally, the limiting part is an insertion block, the insertion block is slidably disposed on the door leaf along a radial direction of the rotating shaft, a plurality of insertion slots for insertion of the insertion block are formed in the rotating shaft, and the insertion blocks are used for being inserted into the insertion slots along a circumferential direction of the rotating shaft.

Through adopting above-mentioned technical scheme, the inserted block inserts the slot after, can restrict the rotation of pivot to the position of fixed fitting pin.

Optionally, a guide rod is fixedly arranged at one end of the sliding frame, which is far away from the connecting rod, a guide ring is fixedly arranged on the door leaf, and the guide rod penetrates through the guide ring along the sliding direction of the sliding frame in a sliding manner.

Through adopting above-mentioned technical scheme, the guide bar slides and wears to establish and is favorable to injecing the slip orbit of sliding frame in the guide ring, can further improve stability simultaneously.

Optionally, a containing groove is formed in the door frame and is communicated with the locking groove, a locking block is arranged in the containing groove in a sliding mode along the vertical direction, a clamping groove for the locking block to be inserted is formed in the locking pin, an arc-shaped surface is arranged at one end, inserted into the clamping groove, of the locking block, and an elastic piece used for driving the locking block to be inserted into the clamping groove is arranged in the containing groove.

Through adopting above-mentioned technical scheme, the fitting pin causes the extrusion to the latch segment when inserting the locking groove, press the latch segment into the storage tank, when the notch of draw-in groove corresponds with the notch of storage tank, the elastic component orders about the latch segment and inserts in the draw-in groove to restrict the relative slip between fitting pin and the door frame, thereby be favorable to increasing stability, thereby the arcwall face of latch segment is favorable to the fitting pin to extrude the latch segment into the storage tank once more when the direction of keeping away from the locking groove slides and removes the locking.

Optionally, a limiting protrusion is fixedly arranged on the locking block, a groove for inserting the limiting protrusion is formed in the door frame, the groove is communicated with the accommodating groove, the limiting protrusion is connected with the groove in a sliding manner, and one end, close to the notch of the accommodating groove, of the groove is sealed.

Through adopting above-mentioned technical scheme, when the elastic component ordered about the latch segment and inserted the draw-in groove, spacing arch slided with the recess and is connected with the slip direction that does benefit to injecing the latch segment, prevents that the latch segment from taking place the skew, is favorable to the latch segment to insert the recess, and the one end of recess seals to be set up and is favorable to preventing that the latch segment breaks away from the draw-in groove.

Optionally, one end of the locking pin inserted into the locking groove is provided with a chamfer.

By adopting the technical scheme, the chamfer reduces the edge area of one end of the locking pin inserted into the locking groove, and the locking pin does not need to be accurately aligned with the locking groove, so that the locking pin is convenient to insert.

In summary, the present application includes at least one of the following beneficial technical effects:

1. make the pivot rotate through rotating the rolling disc, the pivot drives incomplete gear revolve, realizes through incomplete gear at the sliding frame internal rotation and the meshing of incomplete gear and rack that the sliding frame slides, and the sliding frame drives the slide bar and slides along the width direction of door leaf, and the slide bar drives a plurality of fitting pins and slides simultaneously, until a plurality of fitting pins insert the locking groove, realizes the fixed of door leaf. The locking pins are inserted into the door frame, so that the connection strength between the door leaf and the door frame is increased to a certain extent, and better stability can be kept when external impact is applied, thereby improving the safety coefficient;

2. after the inserting block is inserted into the slot, the rotation of the rotating shaft can be limited, so that the position of the locking pin is fixed;

3. the utility model discloses a door frame, including the storage tank, the storage tank is pressed into to the latch segment, and the recess of storage tank is corresponding to the notch of draw-in groove, and the elastic component orders about in the latch segment inserts the draw-in groove to the relative slip between restriction latch segment and the door frame is favorable to increasing stability.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a sectional view of the internal structure of an embodiment of the present application;

FIG. 3 is an exploded view of the overall structure of an embodiment of the present application in section;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic structural diagram mainly showing a rotating assembly, an insert block and a slot in the embodiment of the present application.

Description of reference numerals: 11. a door frame; 111. a locking groove; 112. a containing groove; 113. a groove; 12. a door leaf; 121. a cavity; 122. a chute; 21. a slide bar; 22. a locking pin; 221. a card slot; 23. a connecting rod; 3. a drive assembly; 31. a sliding frame; 32. an incomplete gear; 33. a rack; 4. a rotating assembly; 41. rotating the disc; 42. a rotating shaft; 421. a slot; 51. a guide rod; 52. a guide ring; 53. a guide sleeve; 61. inserting a block; 62. a snap ring; 71. a locking block; 72. a limiting bulge; 73. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses steel construction single leaf airtight door.

Referring to fig. 1, 2 and 3, a steel structure single-leaf airtight door includes a door frame 11 and a door 12, the door 12 is hinged in the door frame 11, a cavity 121 is provided in the door 12, a sliding groove 122 is provided on a side wall of the door 12 away from a hinge point of the door 12 and the door frame 11 along a width direction of the door 12, the sliding groove 122 is communicated with the cavity 121, a sliding rod 21 is provided on the door 12 along the width direction of the door 12, the sliding rod 21 is slidably provided in the cavity 121, two ends of the sliding rod 21 are respectively abutted against a top wall and a bottom wall of the cavity 121, a plurality of locking pins 22 are fixedly provided on the sliding rod 21, a length direction of the locking pins 22 is perpendicular to a length direction of the sliding rod 21, the locking pins 22 are slidably provided in the sliding groove 122 along the width direction of the door 12, the locking pins 22 are adapted to the sliding groove 122, the locking pins 22 are provided along the length direction of the sliding rod 21, the number of the sliding grooves 122 corresponds to the locking pins 22, a locking groove 111 for the locking pins 22 to be inserted into is provided on an inner wall of the door frame 11, the locking groove 111 is used for communicating with the locking groove 122, the locking pins 22, and one end of the locking pins 111 is provided with a chamfer angle.

Referring to fig. 2, the door leaf 12 is provided with a driving assembly 3 for driving the sliding rod 21 to slide. The driving assembly 3 is arranged in the cavity 121, the driving assembly 3 comprises a sliding frame 31, an incomplete gear 32 and a rack 33, the sliding frame 31 is arranged in the cavity 121 in a sliding mode along the width direction of the door leaf 12, a connecting rod 23 is fixedly arranged at one end of the sliding frame 31, a guide sleeve 53 is fixedly arranged in the cavity 121, the connecting rod 23 penetrates through the guide sleeve 53 in a sliding mode along the sliding direction of the sliding frame 31, and the connecting rod 23 is matched with the guide sleeve 53. The side wall of the sliding rod 21 far away from the locking pin 22 is fixedly connected with one end of the connecting rod 23 far away from the sliding frame 31. The rack 33 is fixedly arranged on the inner wall of the sliding frame 31, the racks 33 are fixedly arranged on the inner walls of the upper side and the lower side of the sliding frame 31, the two racks 33 are the same in tooth number, the incomplete gear 32 is rotatably arranged in the sliding frame 31, the incomplete gear 32 is meshed with the rack 33, one end, far away from the connecting rod 23, of the sliding frame 31 is fixedly provided with a guide rod 51, the length direction of the guide rod 51 is parallel to the top wall of the sliding frame 31, a guide ring 52 is fixedly arranged on the door leaf 12, the guide ring 52 is fixedly arranged in the cavity 121, the guide rod 51 is slidably arranged in the guide ring 52 along the sliding direction of the sliding frame 31 in a penetrating manner, and the guide rod 51 is matched with the guide ring 52.

Referring to fig. 3 and 4, a receiving groove 112 is formed in the door frame 11, the receiving groove 112 is formed in a side wall of the locking groove 111 along a sliding direction perpendicular to the locking pin 22, the receiving groove 112 is communicated with the locking groove 111, a locking block 71 is slidably disposed in the receiving groove 112 along a vertical direction, and the locking block 71 is adapted to the receiving groove 112. The locking pin 22 is provided with a clamping groove 221 for inserting the locking block 71, one end of the locking block 71 inserted into the clamping groove 221 is provided with an arc-shaped surface, the accommodating groove 112 is internally provided with an elastic part for driving the locking block 71 to be inserted into the clamping groove 221, the elastic part is provided with a spring 73, one end of the spring 73 is fixedly connected with the bottom wall of the accommodating groove 112, and the other end of the spring 73 is fixedly connected with the bottom wall of the locking block 71. The side wall of the locking block 71 is fixedly provided with a limiting protrusion 72, a groove 113 for inserting the limiting protrusion 72 is formed in the door frame 11, the groove 113 is formed in the side wall of the accommodating groove 112 along the sliding direction perpendicular to the locking pin 22, the groove 113 is communicated with the accommodating groove 112, one end of the groove 113 close to the notch of the accommodating groove 112 is sealed, and the limiting protrusion 72 is connected with the groove 113 in a sliding manner.

Referring to fig. 5, the door leaf 12 is provided with a rotating assembly 4 for driving the incomplete gear 32 to rotate. The rotating assembly 4 comprises a rotating disc 41 and a rotating shaft 42, the rotating shaft 42 is rotatably arranged on the door leaf 12, the rotating shaft 42 penetrates through the door leaf 12 and is rotatably arranged in the cavity 121, the incomplete gear 32 is fixedly sleeved on the rotating shaft 42, and the rotating disc 41 is fixedly sleeved on one end of the rotating shaft 42 far away from the incomplete gear 32. Be provided with the locating part that is used for preventing the rotation of pivot 42 on the pivot 42, the locating part sets up to inserted block 61, inserted block 61 slides along pivot 42's radial direction and sets up on door leaf 12, inserted block 61 includes vertical section and horizontal segment, vertical section and horizontal segment fixed connection and mutually perpendicular, door leaf 12 is close to fixed the joint ring 62 that is provided with on the lateral wall of rolling disc 41, the vertical section of inserted block 61 slides and wears to establish in joint ring 62, offer on the lateral wall of pivot 42 and supply inserted block 61 male slot 421, slot 421 are provided with a plurality ofly along pivot 42's circumferential direction, inserted block 61 is used for pegging graft with slot 421, the one end that the horizontal segment was kept away from to vertical section is used for inserting in slot 421.

The implementation principle of the steel structure single-leaf airtight door in the embodiment of the application is as follows: the rotating disc 41 is rotated to enable the rotating shaft 42 to rotate, the rotating shaft 42 drives the incomplete gear 32 to rotate, the sliding frame 31 slides through rotation of the incomplete gear 32 in the sliding frame 31 and meshing of the incomplete gear 32 and the rack 33, the sliding frame 31 drives the sliding rod 21 to slide along the width direction of the door leaf 12, the sliding rod 21 drives the locking pins 22 to slide simultaneously until the locking pins 22 are inserted into the locking grooves 111, when one end of the locking pin 22 abuts against the bottom wall of the locking groove 111, the notch of the clamping groove 221 just faces the notch of the accommodating groove 112, the spring 73 drives the locking block 71 to be inserted into the clamping groove 221 to fix the locking pin 22 in the locking groove 111, and meanwhile, the inserting block 61 is inserted into the slot 421 to prevent the rotating shaft 42 from rotating, so that the door leaf 12 is fixed. The plurality of locking pins 22 are inserted into the door frame 11, so that the connection strength between the door leaf 12 and the door frame 11 is increased to a certain extent, and better stability can be kept when external impact is applied, thereby improving the safety factor.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a steel construction single leaf sealed door, includes door frame (11) and door leaf (12), door leaf (12) articulate in door frame (11), its characterized in that: a sliding rod (21) is arranged on the door leaf (12) in a sliding manner along the width direction of the door leaf (12), a plurality of locking pins (22) are fixedly arranged on the sliding rod (21), a locking groove (111) for the locking pin (22) to be inserted into is formed in the door frame (11), the locking pin (22) is inserted into the locking groove (111), and a driving assembly (3) for driving the sliding rod (21) to slide is arranged on the door leaf (12); the driving assembly (3) comprises a sliding frame (31), an incomplete gear (32) and a rack (33), the sliding frame (31) is arranged on the door leaf (12) in a sliding mode along the width direction of the door leaf (12), one end of the sliding frame (31) is fixedly provided with a connecting rod (23), the sliding rod (21) is fixedly connected with the connecting rod (23), the rack (33) is fixedly arranged on the inner wall of the sliding frame (31), the incomplete gear (32) is rotatably arranged in the sliding frame (31), the incomplete gear (32) is meshed with the rack (33), and the door leaf (12) is provided with a rotating assembly (4) for driving the incomplete gear (32) to rotate.

2. The steel structure single-leaf airtight door of claim 1, characterized in that: rotating assembly (4) include rolling disc (41) and pivot (42), pivot (42) are rotated and are set up on door leaf (12), incomplete gear (32) is fixed to be established on pivot (42) fixed cover, rolling disc (41) is fixed to be established on pivot (42) fixed cover, be provided with the locating part that is used for preventing pivot (42) rotation on pivot (42).

3. The steel structure single-leaf airtight door of claim 2, characterized in that: the limiting piece is arranged as an insertion block (61), the insertion block (61) is arranged on the door leaf (12) in a sliding mode along the radial direction of the rotating shaft (42), a plurality of insertion grooves (421) for the insertion block (61) to insert are formed in the rotating shaft (42), and the insertion grooves (421) are arranged in the circumferential direction of the rotating shaft (42) and are used for being connected with the insertion grooves (421) in an inserting mode.

4. The steel structure single-leaf airtight door of claim 1, characterized in that: one end, far away from the connecting rod (23), of the sliding frame (31) is fixedly provided with a guide rod (51), the door leaf (12) is fixedly provided with a guide ring (52), and the guide rod (51) penetrates through the guide ring (52) in a sliding mode along the sliding direction of the sliding frame (31).

5. The steel structure single-leaf airtight door of claim 1, characterized in that: the door frame (11) is provided with a containing groove (112), the containing groove (112) is communicated with a locking groove (111), a locking block (71) is arranged in the containing groove (112) in a sliding mode along the vertical direction, a clamping groove (221) for inserting the locking block (71) is formed in a locking pin (22), an arc-shaped surface is arranged at one end, inserted into the clamping groove (221), of the locking block (71), and an elastic piece for driving the locking block (71) to be inserted into the clamping groove (221) is arranged in the containing groove (112).

6. The steel structure single-leaf airtight door of claim 5, characterized in that: the locking piece (71) is fixedly provided with a limiting protrusion (72), a groove (113) for inserting the limiting protrusion (72) is formed in the door frame (11), the groove (113) is communicated with the accommodating groove (112), the limiting protrusion (72) is connected with the groove (113) in a sliding mode, and one end, close to the notch of the accommodating groove (112), of the groove (113) is sealed.

7. The steel structure single-leaf airtight door of claim 1, characterized in that: and one end of the locking pin (22) inserted into the locking groove (111) is provided with a chamfer.

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