CN217632105U

CN217632105U - Bidirectional linkage locking civil air defense door

Info

Publication number: CN217632105U
Application number: CN202220799621.0U
Authority: CN
Inventors: 宋国旺; 王树立
Original assignee: Tianjin Gaoke Yutong Defense Equipment Manufacturing Co ltd
Current assignee: Tianjin Gaoke Yutong Defense Equipment Manufacturing Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-10-21
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a two-way linkage locking civil air defense door, including door frame and civil air defense door, the inside of door frame articulates there is the civil air defense door, the department rotates in the inside of civil air defense door and is connected with the gear, the upper end meshing of gear has the second rack, the bottom meshing of gear has the first rack, the one end of first rack and second rack all is provided with the pivot; the utility model discloses a pivot, including pivot, bracing piece, pivot, one end, the one end of bracing piece is rotated and is connected with the pivot, the other end the one end of bracing piece is rotated and is connected with down the pivot, the bottom fixedly connected with lower support bar of pivot down, go up the support bar on the top fixedly connected with of pivot. The utility model discloses in, be provided with through-hole piece and lower through-hole piece, all run through last through-hole piece and lower through-hole piece at the middle part of last bracing piece and lower support bar for bracing piece and lower support bar in the correction prevent that the position from deviating, and the not right scheduling problem of grafting position from appearing.

Description

Bidirectional linkage locking civil air defense door

Technical Field

The utility model relates to a two-way linkage people's air defense door technical field especially relates to two-way linkage locking people's air defense door.

Background

The civil air defense door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil air defense door is more distinct, and the civil air defense door comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable door threshold single-leaf and double-leaf protective airtight doors and the like.

The civil air defense door in the prior art is relatively complex in internal structure when in use, high in use cost, difficult to lock due to the fact that the position deviation can occur when the closing and the opening of the civil air defense door are controlled through the common traditional bidirectional linkage, inconvenient to use and perfect in further solving.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bidirectional linkage locking civil air defense door.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the civil air defense door comprises a door frame and a civil air defense door, wherein the civil air defense door is hinged in the door frame, a gear is rotatably connected in the middle of the civil air defense door, a second rack is meshed at the upper end of the gear, a first rack is meshed at the bottom end of the gear, and rotating shafts are arranged at one ends of the first rack and the second rack;

the utility model discloses a pivot, including pivot, bracing piece, pivot, one end, the one end of bracing piece is rotated and is connected with the pivot, the other end the one end of bracing piece is rotated and is connected with down the pivot, the bottom fixedly connected with lower support bar of pivot down, go up the support bar on the top fixedly connected with of pivot.

As a further description of the above technical solution: the bottom end of the lower support rod is inserted with a lower through hole, and a lower through hole block is sleeved outside the middle of the lower support rod.

As a further description of the above technical solution: the top end of the upper supporting rod is inserted with an upper through hole block, and an upper through hole block is sleeved outside the middle of the upper through hole.

As a further description of the above technical solution: one side fixedly connected with correcting block of pivot, the one end fixedly connected with spring of correcting block.

As a further description of the above technical solution: the other end fixedly connected with stopper of spring, and stopper and people's air defense door fixed connection.

As a further description of the above technical solution: the hand wheel is arranged in the middle of the civil air defense door, and a handle is fixedly connected to one side of the middle of the civil air defense door.

As a further description of the above technical solution: and a plurality of hinges are fixedly connected between the door frame and the civil air defense door on one side.

As a further description of the above technical solution: go up pivot, lower pivot and be triangular supports, hand wheel and gear fixed connection.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the utility model discloses be provided with hand wheel, gear, first rack and second rack, through closing and the coincidence with the door frame with the people's air defense door, rotate through rotating the hand wheel afterwards, will drive the gear after rotating and rotate, the gear both ends carry out the first rack of two-way meshing and second rack afterwards, reach two-way linkage effect, easy operation, the practicality is strong.

2. Compared with the prior art, the utility model discloses be provided with, support the pivot through first rack and second rack, the pivot receives to rotate through the bracing piece after supporting and supports, goes up the pivot simultaneously and all rotates the support with lower pivot, inserts lower support rod and last bracing piece down inside through-hole and the last through-hole afterwards, reaches to peg graft fixedly, through the equal fixed reinforcing guard action in four corners.

3. Compared with the prior art, the utility model discloses be provided with through-hole piece and lower through-hole piece, all run through at the middle part of last bracing piece and lower support bar and have last through-hole piece and lower through-hole piece for bracing piece and lower support bar in the correction prevent that the position from deviating, and the not right scheduling problem of grafting position from appearing.

Drawings

Fig. 1 is a sectional front view of the bidirectional interlocking civil air defense door provided by the utility model;

fig. 2 is a front view of the bidirectional interlocking civil air defense door provided by the utility model;

fig. 3 is an enlarged view of the point a of the bidirectional linkage locking civil air defense door provided by the utility model;

fig. 4 is a schematic perspective view of the bidirectional linkage locking civil air defense door provided by the utility model.

Illustration of the drawings:

1. a door frame; 2. a lower via block; 3. a first rack; 4. a lower through hole; 5. a lower support bar; 6. a limiting block; 7. a gear; 8. an upper rotating shaft; 9. a second rack; 10. an upper via block; 11. an upper support rod; 12. a lower rotating shaft; 13. an upper through hole; 14. a hand wheel; 15. a civil air defense door; 16. a handle; 17. a rotating shaft; 18. a support bar; 19. a spring; 20. a rectification block; 21. and (4) a hinge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a bidirectional linkage locking civil air defense door comprises a door frame 1 and a civil air defense door 15, wherein the civil air defense door 15 is hinged in the door frame 1, a gear 7 is rotatably connected in the middle of the interior of the civil air defense door 15, the gear 7 is matched with a first rack 3 and a second rack 9 to be meshed for rotation after rotation, the upper end of the gear 7 is meshed with the second rack 9, the bottom end of the gear 7 is meshed with the first rack 3, one ends of the first rack 3 and the second rack 9 are respectively provided with a rotating shaft 17, the rotating shaft 17 is supported to one side, the rotating shaft 17 is rotatably supported by a support rod 18 after being supported, meanwhile, the upper rotating shaft 8 and the lower rotating shaft 12 are both rotatably matched, one side of the rotating shaft 17 is fixedly connected with a correcting block 20, and a spring 19 can be conveniently and continuously and horizontally supported by the correcting block 20, one end of the correcting block 20 is fixedly connected with a spring 19, the other end of the spring 19 is fixedly connected with a limiting block 6, the limiting block 6 is fixedly connected with a civil air defense door 15, a hand wheel 14 is arranged in the middle of the civil air defense door 15 and rotates by rotating the hand wheel 14, the gear 7 is driven to rotate after rotation, then two ends of the gear 7 are meshed with a first rack 3 and a second rack 9 in a bidirectional mode, a rotating shaft 17 is supported by the first rack 3 and the second rack 9, one side of the middle of the civil air defense door 15 is fixedly connected with a handle 16, a plurality of hinges 21 are fixedly connected between a doorframe 1 on one side and the civil air defense door 15, the civil air defense door 15 is closed and overlapped with the doorframe 1, and then locking operation is carried out;

the both sides of pivot 17 are all rotated and are connected with bracing piece 18, the one end of one end bracing piece 18 is rotated and is connected with pivot 8, the one end of other end bracing piece 18 is rotated and is connected with pivot 12 down, the bottom fixedly connected with lower support bar 5 of lower pivot 12, support bar 11 on the top fixedly connected with of upper pivot 8, lower support bar 5 and last support bar 11 insert down through-hole 4 and go up inside through-hole 13, it is fixed to reach the grafting, it has last through-hole piece 10 to peg graft on the top of support bar 11, the outside cover of well department of going up through-hole 13 is equipped with through-hole piece 10, the middle part of going up support bar 11 and lower support bar 5 all runs through last through-hole piece 10 and lower through-hole piece 2, be used for correcting support bar 11 and lower support bar 5, prevent that the position deviation from appearing, the bottom of lower support bar 5 is pegged graft and is equipped with lower through-hole piece 4, and the outside cover of well department of lower support bar 5 is equipped with lower through-hole piece 2, go up pivot 8, lower pivot 12 and pivot 17 are the triangular supports, be convenient for go up support bar 11 and lower support bar 5 position recovery and supporting effect, hand wheel 14 and gear 7 fixed connection hand wheel.

The working principle is as follows: when the device is used, firstly, the civil air defense door 15 is closed and coincided with the door frame 1, then, the device is rotated through the rotating hand wheel 14, the gear 7 is driven to rotate after rotation, then, the two ends of the gear 7 are meshed with the first rack 3 and the second rack 9 in a two-way mode, then, the rotating shaft 17 is supported through the first rack 3 and the second rack 9, the rotating shaft 17 is supported to one side, the rotating shaft 17 is supported through the supporting rod 18 in a rotating mode after being supported, meanwhile, the upper rotating shaft 8 and the lower rotating shaft 12 are matched in a rotating mode, then, the lower supporting rod 5 and the upper supporting rod 11 are inserted into the lower through hole 4 and the upper through hole 13, inserting and fixing are achieved, meanwhile, the upper through hole block 10 and the lower through hole block 2 penetrate through the middle portions of the upper supporting rod 11 and the lower supporting rod 5, the upper supporting rod 11 and the lower supporting rod 5 are used for correcting, and position deviation is prevented.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Two-way linkage locking people's air defense door, its characterized in that: the door comprises a door frame (1) and a civil air defense door (15), wherein the civil air defense door (15) is hinged inside the door frame (1), a gear (7) is rotatably connected in the middle inside the civil air defense door (15), the upper end of the gear (7) is meshed with a second rack (9), the bottom end of the gear (7) is meshed with a first rack (3), and one end of each of the first rack (3) and the second rack (9) is provided with a rotating shaft (17);

the both sides of pivot (17) are all rotated and are connected with bracing piece (18), one end the one end of bracing piece (18) is rotated and is connected with pivot (8), the other end the one end of bracing piece (18) is rotated and is connected with pivot (12) down, the bottom fixedly connected with lower support bar (5) of pivot (12) down, support bar (11) are gone up to the top fixedly connected with of pivot (8).

2. The bi-directional linkage locking civil air defense door of claim 1, characterized in that: the bottom end of the lower support rod (5) is inserted with a lower through hole (4), and a lower through hole block (2) is sleeved outside the middle of the lower support rod (5).

3. The bi-directional linkage locking civil air defense door of claim 1, characterized in that: the top end of the upper supporting rod (11) is inserted with an upper through hole block (10), and the outer part of the middle part of the upper through hole (13) is sleeved with the upper through hole block (10).

4. The bi-directional linkage locking civil air defense door of claim 1, wherein: one side of pivot (17) fixedly connected with correction block (20), the one end fixedly connected with spring (19) of correction block (20).

5. The bi-directional linkage locking civil air defense door of claim 4, characterized in that: the other end fixedly connected with stopper (6) of spring (19), and stopper (6) and civil air defense door (15) fixed connection.

6. The bi-directional linkage locking civil air defense door of claim 1, wherein: the hand wheel (14) is arranged in the middle of the civil air defense door (15), and a handle (16) is fixedly connected to one side of the middle of the civil air defense door (15).

7. The bi-directional linkage locking civil air defense door of claim 1, wherein: a plurality of hinges (21) are fixedly connected between the door frame (1) and the civil air defense door (15) on one side.

8. The bi-directional linkage locking civil air defense door of claim 6, characterized in that: go up pivot (8), lower pivot (12) and pivot (17) and be triangular supports, hand wheel (14) and gear (7) fixed connection.