CN214616209U

CN214616209U - Explosion-proof ripples valve

Info

Publication number: CN214616209U
Application number: CN202023283674.7U
Authority: CN
Inventors: 孙彤; 管承浩; 汤岩芳; 宋文明
Original assignee: Yantai Guangyuan Civil Air Defense Equipment Co ltd
Current assignee: Yantai Guangyuan Civil Air Defense Equipment Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-05
Anticipated expiration: 2030-12-30

Abstract

The utility model belongs to the technical field of the technique of people's air defense door and specifically relates to an explosion-proof ripples valve is related to, including the door leaf, the ventilation hole has been seted up on the door leaf, it has the valve that is used for closing the ventilation hole to articulate on the door leaf, be fixed with the link that is located ventilation hole top on the door leaf, be fixed with the connecting block that is used for linking to each other with the link on the valve, be fixed with the horizontally axis of rotation on the connecting block, the rotation hole has been seted up on the link, the axis of rotation is rotated and is connected in the rotation hole, set up the locking groove of indent on the outer wall of axis of rotation, set up the perpendicular locking hole that just is linked together with the rotation hole on the link, sliding connection has the check lock lever in the locking hole, be equipped with locking spring between check lock lever and the locking hole. When taking place the blasting, the valve presses to the ventilation hole, and when the valve was closed the ventilation hole, the check lock lever inserted the locking inslot under locking spring's effect, and the axis of rotation is unable to rotate, and the valve is unable to follow to rotate promptly and open to take place to bounce-back after reducing valve and the door leaf striking and lead to the possibility that the ventilation hole was opened once more.

Description

Explosion-proof ripples valve

Technical Field

The application relates to the technical field of civil air defense doors, in particular to an explosion-proof wave valve.

Background

Explosion-proof ripples valve generally adopts suspension type valve, including door frame, door leaf and the valve of steel construction, the valve is in when the open mode on the door leaf, forms certain angle with the door leaf assembly and is used for the ventilation in the people's air defense passageway at ordinary times, when receiving the impulse wave because the shop front that the air current acts on the valve in the twinkling of an eye causes the shop front to receive the impact force after, presses the vent that covers on the door leaf, and is sealed, reaches explosion-proof ripples's effect.

In the related art, reference is made to chinese patent No. CN211008285U, which discloses an anti-explosion valve, including a door frame fixed on a wall, a door leaf hinged on the door frame, and a valve hinged on the door leaf, wherein an escape opening through which a human body can pass is formed on the door leaf, a sealing cover is embedded at an end of the escape opening facing the valve, and the sealing cover includes a sealing plate and a connecting pipe fixedly connected to one side of the sealing plate and in transition fit with the escape opening. This explosion-proof ripples valve can still enable personnel to normally pass through under the condition that the door leaf can not normally open and shut, reduces the risk that people's air defense passageway is blocked up.

In view of the above-mentioned related art, the inventor believes that, when an explosion occurs, the vent hole can be closed by the force applied to the shutter, but the shutter is movably connected with the door leaf, the shutter is easy to bounce when colliding with the door leaf, so that the vent hole is opened, and dust generated by the explosion easily enters the civil air defense channel through the vent hole.

SUMMERY OF THE UTILITY MODEL

In order to reduce the risk that the valve is opened again after closing, this application provides an explosion-proof ripples valve.

The application provides an explosion-proof ripples valve adopts following technical scheme:

the utility model provides an explosion-proof ripples valve, includes the door leaf, has seted up the ventilation hole on the door leaf, it has the valve that is used for closing the ventilation hole to articulate on the door leaf, be fixed with the link that is located ventilation hole top on the door leaf, be fixed with the connecting block that is used for linking to each other with the link on the valve, be fixed with the horizontally axis of rotation on the connecting block, the rotation hole has been seted up on the link, the axis of rotation is rotated and is connected in rotating the downthehole, set up the locking groove of indent on the outer wall of axis of rotation, set up the locking hole that just is linked together perpendicular with rotating the hole on the link, sliding connection has the check lock lever in the locking hole, be equipped with locking spring between check lock lever and the locking hole, when the ventilation hole is closed to the valve, check lock lever is just right with the locking groove, the check lock lever inserts in the locking groove.

Through adopting above-mentioned technical scheme, when the door leaf normally used, the valve was in the open mode, and the check lock lever is contradicted with the outer wall of axis of rotation, and the ventilation hole normally ventilates. When the emergence blasting, the valve receives the impact force and presses to the ventilation hole, and the valve drives connecting block and axis of rotation and rotates, and when the valve closed the ventilation hole, the check lock lever was just right with the locking groove, and the check lock lever inserts the locking inslot under locking spring's effect, and the check lock lever dies the axis of rotation lock, and the axis of rotation is unable to rotate, and the valve is unable to follow to rotate promptly and open to take place the bounce-back and lead to the possibility that the ventilation hole was opened once more after reducing the valve and striking with the door leaf.

Optionally, a reset groove which is parallel to and communicated with the locking hole is formed in the connecting frame, and a reset rod which extends out of the reset groove is fixed on the locking rod.

Through adopting above-mentioned technical scheme, when the valve was closed by the mistake, thereby operating personnel can stimulate the release link and drive the check lock pole and extract from the locking inslot, rotate the valve again and be the open mode reset can.

Optionally, an adjusting rod penetrates through the bottom of the locking hole, the adjusting rod is in threaded connection with the locking hole, one end of the adjusting rod extends out of the locking hole, and the other end of the adjusting rod is inserted into the locking hole and points to the locking spring.

Through adopting above-mentioned technical scheme, operating personnel rotates the regulation pole, adjusts the pole and removes along the locking hole direction to compress tightly or loosen locking spring, adjust locking spring's elasticity, guarantee the locking effect.

Optionally, the adjusting rod is rotatably connected with a rotating sheet towards the end of the locking spring, and the rotating sheet is abutted against the locking spring.

Through adopting above-mentioned technical scheme, when rotating the regulation pole, the rotor plate does not change, exerts pressure or relaxs locking spring, prevents that locking spring from taking place to twist reverse.

Optionally, a limiting rod inserted into the inner ring of the locking spring is fixed at the end of the adjusting rod facing the locking spring.

Through adopting above-mentioned technical scheme, locking spring is flexible along the gag lever post, and the gag lever post is spacing to locking spring, prevents that locking spring is crooked to influence the use.

Optionally, the diameter of the rotating piece is larger than the diameters of the adjusting rod and the threaded hole.

Through adopting above-mentioned technical scheme, when adjusting the pole and taking off from the downthehole pine of locking, the rotating plate is pressed in the bottom in locking hole by locking spring, and the rotating plate still supports locking spring, prevents that locking spring from jumping out in the locking hole.

Optionally, the end part of the locking rod far away from the locking spring is rotatably connected with a roller.

Through adopting above-mentioned technical scheme, when the valve is in the open mode, the tip of check lock lever points to the axis of rotation, and the gyro wheel is contradicted with the outer wall of axis of rotation, and when the axis of rotation rotated, the gyro wheel followed rotates, reduces frictional force between the two, the closing of the valve of being convenient for.

Optionally, the door leaf is provided with a concave sealing groove matched with the valve at the vent hole, and when the valve covers the vent hole, the valve is embedded in the sealing groove.

Through adopting above-mentioned technical scheme, the area of contact of door leaf and seal groove is great, improves sealed effect.

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

1. through the setting of axis of rotation and check lock lever, when the valve was closed, the check lock lever locked the axis of rotation, and axis of rotation and valve are unable to rotate to avoid the valve to open once more.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the connection between the link frame and the rotating shaft in the embodiment;

fig. 3 is a schematic connection diagram of the rotating shaft and the connecting frame for showing the positions of the locking grooves in the embodiment.

Description of reference numerals: 1. a door leaf; 11. a vent hole; 12. a sealing groove; 2. a shutter; 3. a connecting frame; 31. rotating the hole; 32. a locking hole; 33. a reset groove; 34. a threaded hole; 4. connecting blocks; 5. a rotating shaft; 51. a locking groove; 6. a locking lever; 61. a reset lever; 62. a roller; 7. a locking spring; 8. adjusting a rod; 81. a rotating sheet; 82. a limiting rod.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses explosion-proof ripples valve, refer to fig. 1, including door leaf 1, seted up a plurality of seal grooves 12 on the door leaf 1, ventilation hole 11 has been seted up at the center of seal groove 12, rotates on the door leaf 1 to be connected with the valve 2 of ventilation hole 11 one-to-one. The shutter 2 has two states, one is an open state and the other is a closed state, the shutter 2 is normally in the open state, and the ventilation holes 11 can ventilate normally. When explosion happens, the valve 2 is impacted, the valve 2 is in a closed state, and the valve 2 is embedded in the sealing groove 12 and closes the vent hole 11.

Referring to fig. 1 and 2, the door leaf 1 is fixed with a plurality of pairs of connecting frames 3 corresponding to the ventilation holes 11 one by one, and each pair of connecting frames 3 includes two connecting frames 3. Each pair of attachment brackets 3 is located above a respective vent hole 11. Be fixed with two connecting blocks 4 on the door leaf 1, two connecting blocks 4 are corresponding with two link 3 respectively, are fixed with horizontally axis of rotation 5 on the connecting block 4, have seted up on the link 3 and have rotated hole 31, and axis of rotation 5 rotates to be connected in rotating hole 31, and valve 2 can revolute axis of rotation 5 and rotate.

Referring to fig. 2, a locking hole 32 perpendicular to and communicated with the rotation hole 31 is formed in the connecting frame 3, a locking rod 6 is slidably connected in the locking hole 32, a locking spring 7 is arranged between the locking rod 6 and the locking hole 32, and when the end of the locking rod 6 is abutted against the outer wall of the rotation shaft 5, the locking spring 7 is in a pressed state.

Referring to fig. 1 and 3, the outer wall of the rotating shaft 5 is provided with a concave locking groove 51 matched with the locking rod 6, when the valve 2 is in a closed state, the locking hole 32 is right opposite to the locking groove 51, at the moment, the locking rod 6 is inserted into the locking groove 51 under the action of the locking spring 7, so that the rotating shaft 5 is locked, the rotating shaft 5 and the valve 2 cannot rotate, and the valve 2 is always in a closed state.

Referring to fig. 1 and 3, the locking rod 6 is rotatably connected with the roller 62 towards the end of the rotating shaft 5, the axis of the roller 62 is parallel to the axis of the rotating shaft 5, when the valve 2 is in an open state, the roller 62 is abutted against the outer wall of the rotating shaft 5, and when the valve 2 drives the rotating shaft 5 to rotate, the roller 62 rotates, the friction force between the roller 62 and the rotating shaft 5 is small, so that the valve 2 is convenient to close.

Referring to fig. 2 and 3, the connecting frame 3 is provided with a reset groove 33 parallel to and communicated with the locking hole 32, the outer wall of the locking rod 6 is fixed with a reset rod 61 extending out of the reset groove 33, and an operator can pull the reset rod 61 to drive the locking rod 6 to move, so that the locking rod 6 is pulled out of the locking groove 51.

Referring to fig. 2, a threaded hole 34 communicated with the outside is formed in the bottom of the locking hole 32, the diameter of the threaded hole 34 is smaller than that of the locking hole 32, an adjusting rod 8 is connected to the threaded hole 34 in an internal thread manner, one end of the adjusting rod 8 extends out of the threaded hole 34, the other end of the adjusting rod 8 extends into the locking hole 32 and is rotatably connected with a rotating sheet 81, and the diameter of the rotating sheet 81 is larger than that of the threaded hole 34 and that of the adjusting rod 8. The end of the locking spring 7 far away from the locking rod 6 is fixedly connected with the rotating sheet 81. An operator rotates the adjusting rod 8, the adjusting rod 8 moves along the threaded hole 34, so that the locking spring 7 is pressed or loosened, the elasticity of the locking spring 7 is adjusted, and the locking effect of the locking spring 7 is improved.

Referring to fig. 2, a stopper rod 82 inserted into an inner ring of the lock spring 7 is fixed to an end of the adjustment lever 8 facing the rotation piece 81, and the stopper rod 82 limits the lock spring 7 to prevent the lock spring 7 from being bent and affecting use.

The implementation principle of the explosion-proof wave valve 2 in the embodiment of the application is as follows: in a normal state, the shutter 2 is in an open state under the action of gravity. When explosion happens, the valve 2 is impacted, the rotating shaft 5 is driven to rotate, the locking groove 51 is opposite to the locking hole 32, and the locking rod 6 is inserted into the locking groove 51, so that the valve 2 is locked.

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 an explosion-proof ripples valve, includes door leaf (1), has seted up ventilation hole (11) on door leaf (1), it has valve (2) that are used for closing ventilation hole (11) to articulate on door leaf (1), its characterized in that: the door leaf (1) is fixedly provided with a connecting frame (3) positioned above the vent hole (11), the valve (2) is fixedly provided with a connecting block (4) used for being connected with the connecting frame (3), the connecting block (4) is fixedly provided with a horizontal rotating shaft (5), the connecting frame (3) is provided with a rotating hole (31), the rotating shaft (5) is rotatably connected in the rotating hole (31), the outer wall of the rotating shaft (5) is provided with an inwards concave locking groove (51), the connecting frame (3) is provided with a locking hole (32) which is perpendicular to and communicated with the rotating hole (31), the locking hole (32) is internally and slidably connected with a locking rod (6), a locking spring (7) is arranged between the locking rod (6) and the locking hole (32), when the valve (2) closes the vent hole (11), the locking rod (6) is right opposite to the locking groove (51), the locking rod (6) is inserted into the locking groove (51).

2. An implosion wave proof shutter as recited in claim 1, further comprising: the connecting frame (3) is provided with a reset groove (33) which is parallel to and communicated with the locking hole (32), and the locking rod (6) is fixed with a reset rod (61) which extends out of the reset groove (33).

3. An implosion wave proof shutter as recited in claim 1, further comprising: threaded hole (34) are seted up to locking hole (32) bottom, wear to be equipped with in screw hole (34) and adjust pole (8), adjust pole (8) and screw hole (34) threaded connection, adjust pole (8) one end and stretch out screw hole (34), and directional locking spring (7) in the other end inserts screw hole (34).

4. An implosion wave proof shutter as recited in claim 3, further comprising: the adjusting rod (8) is rotatably connected with a rotating sheet (81) towards the end part of the locking spring (7), and the rotating sheet (81) is abutted against the locking spring (7).

5. An implosion wave proof shutter as recited in claim 3, further comprising: and a limiting rod (82) inserted into the inner ring of the locking spring (7) is fixed at the end part of the adjusting rod (8) facing the locking spring (7).

6. An implosion wave proof shutter as recited in claim 4, further comprising: the diameter of the rotating piece (81) is larger than the diameters of the adjusting rod (8) and the threaded hole (34).

7. An implosion wave proof shutter as recited in claim 1, further comprising: the end part of the locking rod (6) far away from the locking spring (7) is rotatably connected with a roller (62).

8. An implosion wave proof shutter as recited in claim 1, further comprising: door leaf (1) are seted up in ventilation hole (11) and are offered seal groove (12) with valve (2) matched with indent, when valve (2) lid ventilation hole (11), valve (2) inlay in seal groove (12).