CN109707288B

CN109707288B - Steel construction people's air defense door

Info

Publication number: CN109707288B
Application number: CN201811460955.XA
Authority: CN
Inventors: 马骏豪
Original assignee: Shanghai Haizhao Civil Defense Equipment Co ltd
Current assignee: Shanghai Haizhao Civil Defense Equipment Co ltd
Priority date: 2018-12-01
Filing date: 2018-12-01
Publication date: 2020-07-17
Anticipated expiration: 2038-12-01
Also published as: CN109707288A

Abstract

The invention relates to a steel structure civil air defense door which comprises a door frame and double door bodies arranged in the door frame, wherein each double door body comprises a first door body and a second door body, the door frame is hinged with the first door body through a first rotating shaft, and is hinged with the second door body through a second rotating shaft, a first rotating wheel is fixedly sleeved on the first rotating shaft away from the ground, a second rotating wheel is fixedly sleeved on the second rotating shaft away from the ground, a steel wire rope is arranged between the first rotating wheel and the second rotating wheel, one end of the steel wire rope is wound on the outer peripheral wall of the second rotating wheel, the other end of the steel wire rope is wound on the outer wall of the first rotating wheel along the direction opposite to the direction of winding to the second rotating wheel. When the civil air defense door needs to be opened, the first door body is pushed, and the second door body moves along with the movement of the first door body, so that the two door bodies of the civil air defense door can be opened simultaneously when the first door body is opened.

Description

Steel construction people's air defense door

Technical Field

The invention relates to the technical field of civil air defense engineering, in particular to a steel structure civil air defense door.

Background

People's air defense is also called civil defense, which is an international common word and is a public mobilization and organization for government, and takes measures of air attack prevention, disaster resistance and relief, implements rescue actions, and prevents and lightens the activities of disaster damage, and the people's air defense door belongs to civil defense protection equipment and needs to meet the requirements of protection and sealing functions. In many people's air defense door types, steel construction people's air defense door uses generally, and the control form of its opening and close is mainly manual control form, and people's air defense door is manual door promptly.

In the prior art, two handles are arranged on the inner side of a door leaf of a manual door, each handle is rotatably connected with a vertical connecting rod, a lock head is rotatably arranged on each vertical connecting rod, when the manual door is opened or closed, one of the two handles is rotated to drive the connecting rod connected with the handle to rotate, so that the lock head connected with the connecting rod is driven to rotate to separate or open the lock head from one vertical side of a door frame; then another handle is rotated, so that the lock head connected with the other handle through the connecting rod is separated or opened from the other vertical side of the door frame, and finally the door leaf is opened or closed.

However, when the door leaf is opened or closed, the two handles are operated in sequence, the weight of the civil air defense door can reach 1 ton, and the two handles are operated in sequence, so that the operation is troublesome and the time is delayed.

Disclosure of Invention

The invention aims to provide a steel structure civil air defense door which can drive one door to open or close the other door by pushing the other door, and is more convenient and time-saving.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a steel construction people's air defense door, includes the door frame and sets up the double door body in the door frame, the double door body includes the first door body and the second door body, articulated through second pivot and the second door body with the first door body through first pivot on the door frame, the fixed cover in ground that first pivot is kept away from is equipped with first runner, the fixed cover in ground is kept away from in the second pivot is equipped with the second runner, first runner and second runner all are located the top of the first door body and the second door body, be equipped with wire rope between first runner and the second runner, wire rope's one end winding is on the outer wall of second runner, the other end along with twine on the outer wall of first runner with the opposite direction winding of the direction on the second runner, the door frame is pre-buried in the wall body.

When the technical scheme is implemented, the first door body is pushed to enable the first rotating shaft to drive the first rotating wheel to rotate and wind the steel wire rope, the direction of the steel wire rope far away from the end of the first rotating wheel and wound on the outer peripheral wall of the second rotating wheel is opposite to the direction of the steel wire rope wound on the first rotating wheel, when the first rotating wheel winds the steel wire rope, the steel wire rope is subjected to pulling force and can drive the second rotating wheel and the second rotating wheel to rotate in opposite directions, and at the moment, the second door body can move along with the movement of the first door body, so that when the first door body is pushed to open, two door bodies of the civil air defense door can be opened simultaneously; when needing to close the people's air defense door, promote the second door body, then the same reason can make the first door body remove along with the removal of the second door body for promote the second door body, when closing the second door body, can be closed the biparting door body of this people's air defense door simultaneously and be in the same place, like this when this people's air defense door opens and shuts, not only make things convenient for more and save time.

Further, all rotate the cover and be equipped with the support on the tip that ground was kept away from in first pivot and second pivot, the end connection that first pivot or second pivot were kept away from to the support has the lantern ring, the lantern ring is located the top of the periphery wall of first runner or second runner, wire rope's tip all passes the lantern ring is rolled up and is established on corresponding first runner or second runner.

Implement above-mentioned technical scheme, when first runner and second runner rotate in order to carry out the rolling or unreel to wire rope, the setting of the lantern ring plays limiting displacement to wire rope for wire rope is in the rolling or unreel the in-process to first runner or second runner and is located the top of the periphery wall of first runner or second reel all the time, in order to reach and carry out spacing purpose to wire rope, thereby guarantees that wire rope can be smooth rolling to on the first runner or on the second runner.

Furthermore, both ends of the first rotating wheel and the second rotating wheel are provided with baffles for preventing the steel wire rope from being separated from both ends of the rotating wheel.

According to the technical scheme, the baffle is arranged to prevent the steel wire rope from being separated from the first rotating wheel or the second rotating wheel.

Further, the cavity has all been seted up to the bottom of the first door body and the second door body, the equal interval of the diapire of the first door body and the second door body has seted up the through-hole that is not less than one, the through-hole with the cavity intercommunication, the through-hole internalization is provided with the diameter and is greater than the through-hole diameter and with the ball of ground contact, correspond the ball in the cavity and be provided with the spring that makes the ball have the trend with ground contact all the time on the relative chamber wall of through-hole, every the one end of spring all with the relative through-hole of cavity set up the chamber wall be connected, the other end all with.

Implement above-mentioned technical scheme, when the first door body or the second door body removed, the ball will roll in the through-hole to reduce the frictional force between the first door body and the second door body and the ground, the staff of being more convenient for promotes the first door body or the second door body like this, it is more light convenient to make this people's air defense door open and shut, and save time, the setting up of spring makes the ball can keep conflicting and roll along with the removal of the first door body and the second door body with ground all the time, thereby reach the purpose that reduces frictional force.

Furthermore, the end part of the spring close to the ball is connected with a semicircular rolling plate, and the ball is abutted against the concave surface of the rolling plate.

Implement above-mentioned technical scheme, along with the removal of the first door body and the second door body, the ball will roll in the roll board, and the setting up of roll board has increased the area of contact between spring and the ball for the ball is difficult for breaking away from with the spring.

Further, a plastic ring is arranged on the inner peripheral wall of the through hole, and the plastic ring is made of plastic.

Implement above-mentioned technical scheme, the setting of plastics ring is used for avoiding ball and the internal perisporium of through-hole to take place the friction, makes the ball when rolling in the through-hole like this, is difficult for receiving wearing and tearing.

Further, fixed cover is equipped with solid fixed ring in the first pivot, gu set up flutedly on the fixed ring, one side that lies in solid fixed ring on the door frame rotates and is connected with the tight pulley, the solid fixed ring axial perpendicular to's the axial, correspond on the tight pulley the recess is provided with the inserted block, the tip of inserted block stretches out the tight pulley, when the inserted block is pegged graft in the recess, the first door body is the open mode with the second door body, the winding has the stay cord that is used for the pulling tight pulley pivoted on the tight pulley, the tight pulley rotates the junction with the door frame and is provided with the torsional spring that makes the tight pulley have the drive inserted block all the time towards solid fixed ring pivoted trend.

When the fixing ring rotates to the position where the groove is located below the inserting block, the inserting block is inserted into the groove, and the fixing ring cannot rotate, namely the positions of the first door body and the second door body are fixed, so that the first door body and the second door body are kept in an open state; when the first door body and the second door body need to be closed, the pull rope is pulled to drive the fixed wheel to drive so as to separate the insertion block from the groove, then the first door body is pushed to enable the groove to be far away from the insertion block, then the pull rope is loosened, under the action of the torsion spring, the fixed wheel drives the insertion block to rotate towards the fixed ring, the insertion block is abutted against the fixed ring, and then the second door body is pushed to close the civil air defense door; after the civil air defense door is opened, the first door body does not need to be pushed manually, so that the first door body and the second door body are kept in an open state, and convenience is brought.

Further, the top of door frame is provided with and is used for the casing that covers first runner, second runner, tight pulley, solid fixed ring, inserted bar, recess and wire rope, wire rope and stay cord all run through the casing setting.

Implement above-mentioned technical scheme, the setting of casing is used for covering first runner, second runner and wire rope for this people's air defense door's outward appearance is neater, pleasing to the eye.

In conclusion, the beneficial technical effects of the invention are as follows:

1. when the civil air defense door is opened and closed and the first door body is pushed to move, the second door body can move along with the movement of the first door body, so that the convenience is improved and the time is saved;

2. when the first rotating wheel and the second rotating wheel rotate to wind or unreel the steel wire rope, the sleeve ring is arranged to limit the steel wire rope, so that the steel wire rope is always positioned above the outer peripheral wall of the first rotating wheel or the second winding wheel in the process of winding or unreeling the steel wire rope to the first rotating wheel or the second rotating wheel, the purpose of limiting the steel wire rope is achieved, and the steel wire rope can be smoothly wound on the first rotating wheel or the second rotating wheel;

3. when the first door body or the second door body move, the balls roll in the through holes to reduce the friction force between the first door body and the second door body and the ground, so that the workers can push the first door body or the second door body more conveniently, the people's air defense door can be opened and closed more easily and conveniently, and the time is saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partial structural schematic diagram of the present invention, which is intended to show the relationship between the first rotating wheel, the second rotating wheel and the steel cable.

Fig. 3 is a partial structural schematic view of the present invention, which is intended to show the structural relationship among the fixed wheel, the fixed ring and the torsion spring.

Fig. 4 is a sectional view taken in the direction of a-a in fig. 1.

In the figure, 1, a door frame; 11. a housing; 12. a fixed wheel; 121. inserting a rod; 122. pulling a rope; 13. a torsion spring; 2. a first door body; 21. a first rotating shaft; 211. a first runner; 2111. a support; 2112. a collar; 2113. a baffle plate; 212. a fixing ring; 2121. a groove; 3. a second door body; 31. a second rotating shaft; 311. a second runner; 32. a wire rope; 33. a cavity; 331. a spring; 332. rolling the plate; 333. a ball bearing; 34. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the steel structure civil air defense door disclosed by the invention comprises a door frame 1 and double door bodies arranged in the door frame 1, wherein the double door bodies comprise a first door body 2 and a second door body 3, the first door body 2 is hinged to one side of the door frame 1 through a first rotating shaft 21, the second door body 3 is hinged to the other side of the door frame 1 through a second rotating shaft 31, and when the first door body 2 and the second door body 3 are in a closed state, the side of the first door body 2 departing from the first rotating shaft 21 is attached to the side of the second door body 3 departing from the first rotating shaft 21.

Referring to fig. 2, a first rotating shaft 21 is arranged through a door frame 1 away from a ground end and fixedly sleeved with a first rotating wheel 211, a second rotating shaft 31 is arranged through the door frame 1 away from the ground end and fixedly sleeved with a second rotating wheel 311, wherein the first rotating wheel 211 and the second rotating wheel 311 are both located at the tops of a first door body 2 and a second door body 3, and a steel wire rope 32 is arranged between the first rotating wheel 211 and the second rotating wheel 311; one end of the steel wire rope 32 is wound on the outer peripheral wall of the second rotating wheel 311, the other end of the steel wire rope is wound on the outer wall of the first rotating wheel 211, the winding direction of the steel wire rope 32 on the outer peripheral wall of the second rotating wheel 311 is opposite to the winding direction of the steel wire rope 32 on the outer peripheral wall of the first rotating wheel 211, so that when the first rotating wheel 211 winds the steel wire rope 32, the second rotating wheel 311 unreels the steel wire rope 32 at the same time, and vice versa.

Referring to fig. 3, baffles 2113 for preventing the steel wire rope 32 from separating from the two ends of the turning wheel are arranged at the two ends of the first turning wheel 211 and the second turning wheel 311, brackets 2111 are rotatably sleeved on the ends of the first rotating shaft 21 and the second rotating shaft 31 far away from the ground, a lantern ring 2112 is connected to the end of the bracket 2111 far away from the first rotating shaft 21 or the second rotating shaft 31, wherein, the lantern ring 2112 is positioned above the peripheral wall of the first rotating wheel 211 or the second rotating wheel 311, the end parts of the steel wire rope 32 are respectively wound on the corresponding first rotating wheel 211 or the second rotating wheel 311 through the lantern ring 2112, thus when the first and second pulleys 211 and 311 are rotated to wind or unwind the wire rope 32, under the limiting action of the lantern ring 2112, the steel wire rope 32 is always positioned above the peripheral wall of the first rotating wheel 211 or the second rotating wheel 311 in the process of winding or unwinding to the first rotating wheel 211 or the second rotating wheel 311, so as to ensure that the wire rope 32 can be smoothly wound onto the first rotating wheel 211 or the second rotating wheel 311.

Referring to fig. 3, the first shaft 21 is fixedly sleeved with a fixing ring 212, wherein the fixing ring 212 is provided with a groove 2121; a fixed wheel 12 is rotatably connected to one side of the embedded door frame 1, which is positioned on the fixed ring 212, and the axial direction of the fixed wheel 12 is perpendicular to the axial direction of the fixed ring 212; a torsional spring 13 which enables the fixed wheel 12 to always have the tendency of driving the insert block to rotate towards the fixed ring 212 is arranged at the rotary connection position of the fixed wheel 12 and the door frame 1, the insert block is arranged on the fixed wheel 12 corresponding to the groove 2121, the end part of the insert block extends out of the fixed wheel 12 and is smaller than the volume of the groove 2121, when the insert block is inserted into the groove 2121, the first door body 2 and the second door body 3 are both in an open state, and the positions of the first door body 2 and the second door body 3 are fixed; the fixed wheel 12 is wound with a pulling rope 122 for pulling the fixed wheel 12 to rotate, and when the pulling rope 122 is pulled, the fixed wheel 12 is rotated by the pulling rope 122 to drive the insert to be disengaged from the groove 2121.

Referring to fig. 1, a case 11 for covering a first pulley 211, a second pulley 311, a fixed pulley 12, an insert block, and a wire rope 32 is provided on the top of a door frame 1, and both the wire rope 32 and a rope 122 are provided to penetrate the case 11.

Referring to fig. 4, the bottom walls of the first door body 2 and the second door body 3 are respectively provided with at least one through hole 34 at intervals, the bottoms of the first door body 2 and the second door body 3 are respectively provided with a cavity 33, and the through holes 34 are communicated with the cavity 33; a spring 331 is arranged on the cavity wall opposite to the through hole 34 in the cavity 33, one end of the spring 331, which is far away from the cavity wall of the cavity 33, is connected with a semicircular rolling plate 332, the concave surface of the rolling plate 332 is arranged opposite to the through hole 34, a ball 333 is arranged between the rolling plate 332 and the through hole 34 in a rolling manner, the ball 333 always tends to be in contact with the ground due to the spring 331, the diameter of the ball 333 is larger than that of the through hole 34, and a plastic ring (not marked in the figure) is arranged on the inner peripheral wall of the through hole 34; when the first door body 2 or the second door body 3 moves, the balls 333 roll between the rolling plate 332 and the through hole 34 to reduce the friction between the first door body 2 and the second door body 3 and the ground, so that the worker can push the first door body 2 or the second door body 3 more conveniently, the civil air defense door can be opened more easily and conveniently, and the time is saved, and when the balls 333 roll in the through hole 34, the balls 333 will rub against a plastic ring (not shown in the figure), so that the balls 333 are not easily worn, and the contact area between the springs 331 and the balls 333 is increased by the arrangement of the rolling plate 332, so that the balls 333 are not easily separated from the springs 331.

The implementation principle of the embodiment is as follows: when the civil air defense door needs to be opened, the first door body 2 is pushed, so that the first rotating shaft 21 drives the first rotating wheel 211 to rotate, the steel wire rope 32 is wound on the first rotating wheel 211, because the end, away from the first rotating wheel 211, of the steel wire rope 32 is wound on the peripheral wall of the second rotating wheel 311 along the direction opposite to the direction wound on the first rotating wheel 211, when the first rotating wheel 211 winds the steel wire rope 32, the steel wire rope 32 is pulled to drive the second rotating wheel 311 and the second rotating shaft 31 to rotate, so as to unwind the steel wire rope 32, at the moment, the second door body 3 moves along with the movement of the first door body 2, so that when the first door body 2 is pushed to open the first door body 2, the two door bodies of the civil air defense door can be opened simultaneously, and in the process of opening the first door body 2 and the second door body 3, the first rotating shaft 21 rotates along with the movement of the first door body 2, so that the fixing ring 212 rotates synchronously, when the fixing ring 212 rotates to the position where the groove 2121 is located below the insert, the torsion spring 13 will make the insert inserted into the groove 2121, and at this time, the fixing ring 212 cannot rotate, that is, the positions of the first door 2 and the second door 3 are fixed, so that the first door 2 and the second door 3 are kept in an open state.

When needing to close the people's air defense door, pulling stay cord 122, it is initiative to drive tight pulley 12, so that inserted block and recess 2121 separate, then promote first door body 2, make recess 2121 keep away from the inserted block, then loosen stay cord 122, under torsional spring 13's effect, tight pulley 12 will drive the inserted block towards solid fixed ring 212 rotation, make the inserted block butt on solid fixed ring 212, then promote second door body 3, second pivot 31 drives second runner 311 and rolls up wire rope 32, make first door body 2 remove along with the removal of second door body 3, when closing second door body 3 like this, can be closed the two door bodies of this people's air defense door together simultaneously.

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

Claims

1. The steel structure civil air defense door comprises a door frame (1) and double door bodies arranged in the door frame (1), and is characterized in that the double door bodies comprise a first door body (2) and a second door body (3), the door frame (1) is hinged with the first door body (2) through a first rotating shaft (21), and is hinged with the second door body (3) through a second rotating shaft (31), the first rotating shaft (21) is far away from the top of the ground end, a first rotating wheel (211) is fixedly sleeved on the first rotating shaft (21), the second rotating shaft (31) is far away from the top of the ground end, a second rotating wheel (311) is fixedly sleeved on the second rotating shaft (31), the first rotating wheel (211) and the second rotating wheel (311) are both positioned at the tops of the first door body (2) and the second door body (3), a steel wire rope (32) is arranged between the first rotating wheel (211) and the second rotating wheel (311), and one end of the steel rope (32) is wound, The other end of the first rotating wheel is wound on the outer wall of the first rotating wheel (211) along the direction opposite to the direction wound on the second rotating wheel (311), and the door frame (1) is embedded in the wall body;

a fixing ring (212) is fixedly sleeved on the first rotating shaft (21), a groove (2121) is formed in the fixing ring (212), one side of the door frame (1) positioned on the fixed ring (212) is rotatably connected with a fixed wheel (12), the axial direction of the fixed wheel (12) is vertical to the axial direction of the fixed ring (212), the fixed wheel (12) is provided with an insert block corresponding to the groove (2121), the end part of the insert extends out of the fixed wheel (12), when the insert is inserted in the groove (2121), the first door body (2) and the second door body (3) are in an open state, the fixed wheel (12) is wound with a pull rope (122) for pulling the fixed wheel (12) to rotate, the fixed wheel (12) and the door frame (1) are provided with a torsion spring (13) which enables the fixed wheel (12) to always drive the insert block to rotate towards the fixed ring (212).

2. The steel structure civil air defense door of claim 1, characterized in that the ends of the first rotating shaft (21) and the second rotating shaft (31) far away from the ground are both rotatably sleeved with a support (2111), the ends of the support (2111) far away from the first rotating shaft (21) or the second rotating shaft (31) are connected with a lantern ring (2112), the lantern ring (2112) is positioned above the peripheral wall of the first rotating wheel (211) or the second rotating wheel (311), and the ends of the steel wire rope (32) are both wound on the corresponding first rotating wheel (211) or the second rotating wheel (311) through the lantern ring (2112).

3. The steel structure civil air defense door as claimed in claim 1, wherein the first runner (211) and the second runner (311) are provided with baffles (2113) at both ends thereof for preventing the steel wire rope (32) from separating from both ends of the runners.

4. The steel structure civil air defense door of claim 1, wherein: the bottoms of the first door body (2) and the second door body (3) are both provided with cavities (33), the bottom walls of the first door body (2) and the second door body (3) are provided with more than one through hole (34) at intervals, the through hole (34) is communicated with the cavity (33), a ball (333) which has a diameter larger than that of the through hole (34) and is contacted with the ground is movably arranged in the through hole (34), the cavity wall opposite to the through hole (34) in the cavity (33) is provided with a spring (331) corresponding to the ball (333) so that the ball (333) always tends to be abutted against the ground, one end of each spring (331) is connected with the cavity wall opposite to the through hole (34) in the cavity (33), and the other end of each spring (331) is abutted against the corresponding ball (333).

5. The steel structure civil air defense door of claim 4, characterized in that the end of the spring (331) close to the ball (333) is connected with a semicircular rolling plate (332), and the ball (333) is abutted with the concave surface of the rolling plate (332).

6. The steel structure civil air defense door as claimed in claim 5, wherein the inner peripheral wall of the through hole (34) is provided with a plastic ring.

7. The steel structure civil air defense door as claimed in claim 1, characterized in that the top of the door frame (1) is provided with a shell (11) for covering the first rotating wheel (211), the second rotating wheel (311), the fixed wheel (12), the fixed ring (212), the inserted link (121), the groove (2121) and the steel wire rope (32), and the steel wire rope (32) and the pull rope (122) are both arranged through the shell (11).