CN216197632U

CN216197632U - Civil air defense door and fixing structure of door frame thereof

Info

Publication number: CN216197632U
Application number: CN202122544136.7U
Authority: CN
Inventors: 陈岸英
Original assignee: Beijing Huayu Defense Equipment Engineering Co ltd
Current assignee: Beijing Huayu Defense Equipment Engineering Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-05
Anticipated expiration: 2031-10-21

Abstract

The application relates to a civil air defense door and a fixing structure of a door frame thereof, relating to the field of civil air defense doors, comprising a door frame, a door body and a door lock assembly, wherein the size of the door body is matched with that of the door frame, one side of the door body is hinged with the door frame, three door bolt holes are arranged on the inner side of the door frame, and the three door bolt holes are distributed on the top and the bottom of the inner side of the door frame and one side far away from the hinged part; the lock subassembly includes locking cam and three and the locking portion of door bolt hole one-to-one, and locking portion includes the keeper, and the keeper is inserted and is established in the keeper that corresponds downtheholely, and the keeper is along being close to or keeping away from its direction sliding connection who corresponds the locking hole with the door body, and the locking cam is used for driving the keeper slip of three locking portion. This application has the effect that reduces the possibility of receiving the door frame polygon when assaulting.

Description

Civil air defense door and fixing structure of door frame thereof

Technical Field

The application relates to the field of civil air defense doors, in particular to a civil air defense door and a fixing structure of a door frame thereof.

Background

The civil air defense door is a door used at the entrance and exit of civil protection engineering, and is generally arranged at the entrance and exit of civil air defense engineering such as underground shopping malls, hospitals, warehouses, underground garages and the like, and is used for meeting the requirements of protection and sealing.

The civil air defense door comprises a door frame, a door body and a door lock assembly, wherein the door frame is fixedly arranged on a wall body, one side of the door body is hinged to the door frame, a sealing strip is fixedly arranged at the edge of the door body, the door lock assembly comprises a door bolt and a door bolt hole, the door bolt is connected to the door body in a sliding mode, and the door bolt hole is formed in the door frame. When the door is used, the door body is embedded into the door frame, the sealing strip is compressed between the door body and the door frame, and the door bolt is inserted into the door bolt hole to fix the door body and the door frame, so that the door body is locked.

In view of the above-mentioned related art, the inventor believes that the contact area between the door bolt and the door bolt hole is small, and the door bolt hole is subjected to a large pressure when being impacted, which easily causes deformation of the door frame.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that the door frame is deformed when receiving impact, the application provides a fixed knot of people's air defense door and door frame constructs.

The application provides a pair of fixed knot of people's air defense door and door frame constructs adopts following technical scheme:

a civil air defense door and a fixing structure of a door frame thereof comprise a door frame, a door body and a door lock assembly, wherein the size of the door body is matched with that of the door frame, one side of the door body is hinged with the door frame, three door bolt holes are formed in the inner side of the door frame, and the three door bolt holes are distributed in the top and the bottom of the inner side of the door frame and one side far away from the hinged part; the lock subassembly includes locking cam and three and the locking portion of door bolt hole one-to-one, and locking portion includes the keeper, and the keeper is inserted and is established in the keeper that corresponds downtheholely, and the keeper is along being close to or keeping away from its direction sliding connection who corresponds the locking hole with the door body, and the locking cam is used for driving the keeper slip of three locking portion.

Through adopting above-mentioned technical scheme, three keeper stretches out the door body from three direction respectively, and insert and establish in the keeper downthehole, and after the people's air defense door locking, when the people's air defense door received the impact, three keeper all received the impact force with the position in keeper hole, undertakes the lifting surface increase jointly, and the pressure that every keeper and keeper hole department received reduces, reduces the possibility that the door frame atress warp.

Optionally, the locking cam and the door body are arranged in parallel, and are rotatably connected to the inside of the door body, the distances between the top end, the bottom end and the horizontal direction of the locking cam and the axis of the locking cam are larger than the distances between the other positions and the axis of the locking cam, the three locking portions are respectively distributed at the top end and the bottom end of the guide wheel and one end of the hinge part of the door body and the door frame is far away from, one end of the three door bolts extends out of the door body and is inserted into the corresponding door bolt holes, and the other end of the three door bolts is respectively abutted to one end of the hinge part of the locking cam, the bottom end and the horizontal direction of the door bolt.

Through adopting above-mentioned technical scheme, during people's air defense door locking, the keeper is all inserted and is established in the locking hole that corresponds, and the other end and the locking cam butt of keeper, the locking cam is downthehole with the keeper inseparable butt of keeper in the keeper that corresponds, prevent that the keeper from breaking away from the keeper downthehole, when opening the lock subassembly, rotate the locking cam, make the keeper be close to the one end butt of locking cam between two tip of locking cam, because the distance apart from locking cam axis between two tip of locking cam is less than the distance of locking cam end apart from locking cam axis, the keeper is to the direction motion that is close to the locking cam and stretch out from corresponding keeper hole.

Optionally, the locking portion further includes a guide wheel, an axis of the guide wheel is parallel to an axis of the locking cam, and the guide wheel is rotatably connected to one end of the bolt close to the locking cam and abuts against the locking cam.

Through adopting above-mentioned technical scheme, when rotating the locking cam, the guide wheel rolls at the side of locking cam, reduces the frictional force that receives when locking cam rotates for the rotation process is more level and smooth and stable.

Optionally, a limiting block is fixedly connected to the side face of one end of the locking cam, a corresponding sliding groove is formed in the door body, the sliding groove is formed along a track of the limiting block rotating around the axis of the locking cam, and the limiting block slides in the sliding groove.

Through adopting above-mentioned technical scheme, locking is protruding to when locking state, the inner wall butt of stopper and spout one end, and when locking cam rotated to the open mode, the inner wall butt of stopper and the spout other end prevented that locking cam turned angle is too much.

Optionally, the locking portion further includes a first stop block and an elastic member, the first stop block is fixedly connected with the door bolt, a second stop block corresponding to the first stop block is fixedly connected to the inside of the door body, the second stop block is located on one side, far away from the locking cam, of the first stop block, and the elastic member is arranged between the first stop block and the second stop block along the sliding direction corresponding to the door bolt and fixedly connected to the first stop block and the second stop block.

Through adopting above-mentioned technical scheme, with locking cam clockwise turning 45 degrees, the elastic component promotes first dog and removes to the direction that is close to locking cam to make the keeper be close to the one end butt of locking cam between two tip of locking cam, and then make the keeper keep away from the one end of locking cam and break away from in the keeper hole.

Optionally, the locking cam is connected with a connecting rod, the connecting rod and the locking cam are coaxially arranged, a yielding hole is formed in the door body, the connecting rod penetrates through the yielding hole, one end of the connecting rod is fixedly connected with the locking cam, and the other end of the connecting rod is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, drive connecting rod and locking cam rotation through rotating the handle, realize the locking of the door body and open for locking cam's rotation is more convenient.

Optionally, the longitudinal section of connecting rod is the rectangle, and handle and connecting rod are along being close to or keeping away from the direction sliding connection of a body, fixedly connected with locating lever on the handle, and the axis of locating lever is on a parallel with the connecting rod, has seted up first locking hole and second locking hole on the body, and the locating lever is coaxial with first locking hole to wear to establish in first locking hole, after the locking cam rotated 45 degrees around self axis clockwise, second locking hole was coaxial with the locating lever.

Through adopting above-mentioned technical scheme, when the keeper was close to the one end of locking wheel and the tip butt of locking wheel, the locating lever was inserted and is established in first locking hole, and is fixed with the locking wheel, and when the keeper was close to between the one end of locking wheel and the two tip butt of locking wheel, the locating lever was inserted and is established in second locking hole, prevents that the locking wheel from rotating.

Optionally, a guide groove is formed in the side surface of the locking cam, and the guide wheel rolls in the guide groove.

Through adopting above-mentioned technical scheme, when the locking cam rotated, the guide pulley rolled in the guiding groove, reduced the frictional force between locking cam and the guide pulley for the rotation of locking cam is more steady, thereby makes the motion of keeper more steady.

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

when the door lock assembly is locked, the three door bolts are inserted into the corresponding door bolt holes, and when the door body is impacted, the impact of the door bolts on the door frame is dispersed at the joints of the three door bolts and the door bolt holes, so that the pressure intensity on the three positions is reduced, and the deformation of the door frame is reduced;

the rotation of the locking cam controls the insertion and the extension of the three door bolts at the same time, and the elastic piece enables the guide wheel to be always abutted against the locking cam, so that the door body is more convenient to lock and open;

when the locking cam rotates, the limiting block slides in the sliding groove, when the door lock assembly is locked, the positioning rod is arranged in the first locking hole in a penetrating mode, when the door lock assembly is opened, the positioning rod is arranged in the second locking hole in a penetrating mode, and the locking cam is prevented from rotating to other positions.

Drawings

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

FIG. 2 is a partial enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of a door lock assembly according to an embodiment of the present application.

Description of reference numerals: 1. a door frame; 11. a door bolt hole; 2. a door body; 21. a hole of abdication; 22. a first locking hole; 23. a second locking hole; 24. a chute; 3. a door lock assembly; 31. a locking portion; 311. a door bolt; 3111. a guide wheel; 312. a slide rail; 313. a first stopper; 314. a second stopper; 315. a spring; 32. locking the cam; 321. a guide groove; 322. a connecting rod; 323. a handle; 324. positioning a rod; 325. and a limiting block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses civil air defense door and fixed knot of door frame constructs thereof. Referring to fig. 1, a fixed knot of people's air defense door and door frame constructs including door frame 1, the door body 2 and lock subassembly 3, and the door body 2 is the rectangle, and vertical setting, the size of door frame 1 and the size looks adaptation of the door body 2, and the door body 2 inlays to be established in door frame 1, and one side of door frame 1 length direction is articulated with the door body 2, and lock subassembly 3 is installed on the door body 2 for lock the door body 2 with door frame 1.

Referring to fig. 2 and 3, the door lock assembly 3 includes a locking cam 32 and three locking portions 31, the locking cam 32 is rotatably connected to the inner center of the door body 2, the axis of the locking cam 32 is parallel to the thickness direction of the door body 2, and the distances between the top end, the bottom end and both ends in the horizontal direction of the locking cam 32 and the axis of the locking cam 32 are greater than the distances between other portions of the locking cam 32 and the axis of the locking cam 32; the three locking parts 31 are respectively distributed at the top end and the bottom end of the locking cam 32 and at one end far away from the hinge joint of the door body 2 and the door frame 1; the locking part 31 comprises a bolt 311 and a sliding rail 312, the sliding rail 312 is fixedly connected with the door body 2, the bolt 311 is slidably connected with the sliding rail 312 along the direction close to or far from the locking cam 32, the bolt 311 is arranged on the door body 2 in a penetrating way, the door frame 1 is provided with bolt holes 11 corresponding to the three bolts 311 one by one, one end of the bolt 311 extends out of the door body 2 and is inserted in the bolt holes 11, the other end of the bolt 311 is rotatably connected with a guide wheel 3111, the axis of the guide wheel 3111 is parallel to the axis of the locking cam 32, the side surface of the locking cam 32 is provided with a guide groove 321, the guide wheel 3111 inserted on the bolt 311 at the top of the door frame 1 is arranged in the guide groove 321 at the top end of the locking cam 32 in a rolling way, the guide wheel 3111 inserted on the bolt 311 at the bottom of the door frame 1 is arranged in the guide groove 321 at the bottom end of the locking cam 32 in a rolling way, the guide wheel 3111 inserted on the side far from the hinge is arranged in the guide groove 321 in the horizontal direction far from one end of the hinge of the locking cam 32 in a rolling way .

Referring to fig. 3, a first stopper 313 is fixedly connected to a side of the bolt 311 exposed from the slide rail 312, a second stopper 314 is disposed opposite to a side of the first stopper 313 close to the locking cam 32, an elastic member is disposed between the first stopper 313 and the corresponding second stopper 314, the elastic member is a spring 315, an axis of the spring 315 is disposed along a length direction of the bolt 311 where the spring 315 is located, one end of the spring 315 is fixedly connected to the first stopper 313, and the other end of the spring is fixedly connected to the second stopper 314.

When the door lock assembly is used, the locking cam 32 is rotated, the guide wheel 3111 rolls in the guide groove 321 to a position between two corresponding end portions of the locking cam 32, the spring 315 pushes the first stop 313 to move towards a direction close to the locking cam 32, the first stop 313 drives the door bolt 311 to move towards a direction far away from the corresponding door bolt hole 11, the door bolt 311 is separated from the corresponding door bolt hole 11, and at the moment, the door lock assembly 3 is opened.

Referring to fig. 2 and 3, a connecting rod 322 is fixedly connected to one side of the locking cam 32, a handle 323 is arranged on the connecting rod 322, the connecting rod 322 and the locking cam 32 are coaxially arranged, the longitudinal section of the connecting rod 322 is rectangular, a yielding hole 21 is formed in the door body 2, the diameter of the yielding hole 21 is greater than the length of the diagonal line of the longitudinal section of the connecting rod 322, the connecting rod 322 is inserted into the yielding hole 21, one end of the connecting rod 322, which is far away from the locking cam 32, extends out of the yielding hole 21 and is connected with the handle 323, the handle 323 is horizontally arranged and is located on the side, which is far away from the hinge joint of the door body 2 and the door frame 1, the length direction of the handle 323 is perpendicular to the length direction of the connecting rod 322, one end of the handle 323 is slidably connected with the connecting rod 322 along the direction close to or far away from the door body 2, a positioning rod 324 is arranged on the handle 323, the positioning rod 324 is parallel to the connecting rod 322, one end of the positioning rod 324 is fixedly connected with one end of the handle 323, which is far away from the connecting rod 322, first locking hole 22 and second locking hole 23 have been seted up on the door body 2, and the one end that the locating lever 324 kept away from handle 323 is inserted and is established in first locking hole 22, and locking cam 32 rotates 45 degrees backs clockwise around self axis, and second locking hole 23 is coaxial with locating lever 324.

Referring to fig. 2 and 3, locking cam 32 is close to one end side fixedly connected with stopper 325 of articulated department, has seted up corresponding spout 24 on the door body 2, and spout 24 is circular-arcly, and is located stopper 325 and around locking cam 32 axis pivoted circumference orbit, and stopper 325 slides in spout 24, stopper 325 and spout 24's one end butt, and locking cam 32 rotates 45 degrees backs clockwise around self axis, stopper 325 and spout 24's the other end butt.

During the use, remove handle 323 to the direction of keeping away from door body 2 for locating lever 324 breaks away from in the first locking hole 22, then clockwise rotates handle 323 45 degrees, makes stopper 325 and the other end butt of spout 24, and door lock subassembly 3 is in the open mode this moment, moves handle 323 to the direction that is close to door body 2 at last, inserts second locking hole 23 with locating lever 324.

The implementation principle of the fixed knot of this application embodiment's civil air defense door and door frame is: when the door lock is used, the positioning rod 324 is pulled out of the first locking hole 22 by moving the handle 323, then the handle 323 is rotated to drive the locking cam 32 to rotate, so that the three guide wheels 3111 are all rolled between two corresponding end parts of the locking cam 32 in the guide groove 321, the three springs 315 push the first stop 313 to move towards the direction close to the locking cam 32 and break away from the corresponding bolt hole 11, the door lock component 3 is opened, finally the handle 323 is moved towards the direction close to the door body 2, and the positioning rod 324 is inserted into the second locking hole 23.

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

1. The utility model provides a fixed knot of people's air defense door and door frame constructs, includes door frame (1), the door body (2) and lock subassembly (3), the size and door frame (1) looks adaptation of the door body (2), and one side and door frame (1) of the door body (2) are articulated, its characterized in that: the inner side of the door frame (1) is provided with three door bolts (311), and three door bolt holes (11) are distributed at the top and the bottom of the inner side of the door frame (1) and at one side far away from the hinged part; the door lock assembly (3) comprises locking cams (32) and three locking portions (31) in one-to-one correspondence with the door bolt holes (11), each locking portion (31) comprises a door bolt (311), each door bolt (311) is inserted into the corresponding door bolt hole (11), each door bolt (311) is connected with the door body (2) in a sliding mode along the direction close to or far away from the corresponding locking hole, and each locking cam (32) is used for driving each door bolt (311) of the corresponding locking portion (31) to slide.

2. A fixing structure of a civil air defense door and a doorframe thereof as claimed in claim 1, wherein: locking cam (32) and a body (2) parallel arrangement, and rotate and connect in the inside of a body (2), the top of locking cam (32), the distance between the both ends of bottom and horizontal direction and locking cam (32) axis is greater than the distance between other positions apart from locking cam (32) axis, three locking portion (31) distribute respectively on the top of locking cam (32), the bottom with keep away from the one end of a body (2) and door frame (1) articulated department, the one end of three keeper (311) stretches out door body (2) and inserts and establish in corresponding keeper hole (11), the other end of three keeper (311) respectively with the top of locking cam (32), the one end butt of articulated department is kept away from to bottom and horizontal direction.

3. A fixing structure of a civil air defense door and a doorframe thereof as claimed in claim 2, wherein: the locking portion (31) further comprises a guide wheel (3111), the axis of the guide wheel (3111) is parallel to the axis of the locking cam (32), and the guide wheel (3111) is rotatably connected to one end, close to the locking cam (32), of the bolt (311) and is abutted to the locking cam (32).

4. A fixing structure of a civil air defense door and a doorframe thereof as claimed in claim 2, wherein: the side face of one end of the locking cam (32) is fixedly connected with a limiting block (325), the door body (2) is provided with a corresponding sliding chute (24), the sliding chute (24) is formed along the track of the limiting block (325) rotating around the axis of the locking cam (32), and the limiting block (325) slides in the sliding chute (24).

5. A fixing structure of a civil air defense door and a doorframe thereof as claimed in claim 2, wherein: the locking part (31) further comprises a first stop block (313) and an elastic piece, the first stop block (313) is fixedly connected with the bolt (311), a second stop block (314) corresponding to the first stop block (313) is fixedly connected inside the door body (2), the second stop block (314) is located on one side, away from the locking cam (32), of the first stop block (313), and the elastic piece is arranged between the first stop block (313) and the second stop block (314) along the sliding direction corresponding to the bolt (311) and is fixedly connected with the first stop block (313) and the second stop block (314).

6. A fixing structure of a civil air defense door and a doorframe thereof as claimed in claim 2, wherein: be connected with connecting rod (322) on locking cam (32), connecting rod (322) and the coaxial setting of locking cam (32) have seted up hole of stepping down (21) on the door body (2), and connecting rod (322) are worn to establish in hole of stepping down (21), the one end and the locking cam (32) fixed connection of connecting rod (322), the other end fixedly connected with handle (323) of connecting rod (322).

7. The fixing structure of the civil air defense door and the doorframe thereof as claimed in claim 6, wherein: the longitudinal section of connecting rod (322) is the rectangle, handle (323) and connecting rod (322) are along being close to or keeping away from the direction sliding connection of a body (2), fixedly connected with locating lever (324) on handle (323), the axis of locating lever (324) is on a parallel with connecting rod (322), first locking hole (22) and second locking hole (23) have been seted up on the body (2), locating lever (324) are coaxial with first locking hole (22), and wear to establish in first locking hole (22), locking cam (32) are around self axis clockwise rotation 45 degrees after, second locking hole (23) are coaxial with locating lever (324).

8. A fixing structure of a civil air defense door and a doorframe thereof as claimed in claim 3, wherein: a guide groove (321) is formed in the side face of the locking cam (32), and the guide wheel (3111) rolls in the guide groove (321).