CN217841717U

CN217841717U - Pressure relief air door

Info

Publication number: CN217841717U
Application number: CN202221009454.1U
Authority: CN
Inventors: 苏海龙; 孙磊; 孙燕青; 李膑; 边新永; 牛磊; 钟国清; 周朋
Original assignee: Jining Mining Industry Group Garden Mine Field Resource Development Co ltd
Current assignee: Jining Mining Industry Group Garden Mine Field Resource Development Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-11-18
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a release air door, including the air door, handle one and handle two are installed respectively to the inside and outside side of air door, handle one and air door fixed connection, handle two pass the air door and with a handle elastic sliding connection, the pressure release hole has been seted up to the position that the air door is located between handle one and the handle two, fixed connection is used for the shutoff board in shutoff pressure release hole on handle two, the utility model discloses a two pulling shutoff boards of handle open the pressure release hole for air door both sides circulation of air reduces the inside and outside pressure differential of air door, conveniently opens, avoids the air door extrusion personnel that reset fast, has reduced the potential safety hazard, and can reset fast to handle two, just the utility model discloses simple structure, the operation of being convenient for, labour saving and time saving, the pressure release is efficient.

Description

Pressure relief air door

Technical Field

The utility model relates to a colliery air door technical field, in particular to release air door.

Background

The air door is the colliery in the pit and separates the facility that the wind current passed through vehicle and pedestrian in the tunnel, because of receiving the personnel restriction influence of going into the well, automatic air door can not obtain timely maintenance, appears the air door easily and can not play the accuse wind effect, causes the wind current disorder, therefore colliery air door is the hand door mostly. The patent application No. CN201320616013.2 discloses a tunnel air door opening and pressure relief linkage device, wherein a lever type hand grip is installed on the inner side of an air door handle, a rotating rod is fixed at the top of a pressure relief window sash, a push rod perpendicular to the rotating rod is fixed on the rotating rod, and the bottom end of the push rod is propped against the pressure relief window sash; a first steel wire pull rope is fixed at the action end of the lever type hand grip, and the other end of the first steel wire pull rope is turned backwards through a first fixed pulley and then penetrates through the air door to be connected to a pull rod of the pressure release window sash; install the lever hand push in the air door inboard, second steel wire stay cord is connected to the effect end of lever hand push handle, the second steel wire stay cord other end also connects on the bull stick through second fixed pulley change backward, through pulling handle in this technical scheme, utilize the steel wire transmission to open the pressure release window, reuse steel wire stay cord opens the pressure release casement during the promotion, realize that the linkage of air door and pressure release casement is opened, the air door resistance of opening has been reduced, but this pressure release structure is complicated, the operation is more loaded down with trivial details, and adopt the steel wire stay cord pulling to open the pressure release casement, the pressure release is inefficient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the pressure relief air door is simple in structure and convenient to operate.

In order to solve the technical problem, the utility model discloses an air door, handle one and handle two are installed respectively to the inside and outside face of air door, handle one with air door fixed connection, handle two pass the air door and with a handle elastic sliding connection, the pressure release hole has been seted up to the position that the air door is located between handle one and the handle two, fixed connection is used for the shutoff board in shutoff pressure release hole on handle two.

Preferably, the air door is located the outside fixed connection bounding wall one in pressure release hole, the side of shutoff board is equipped with even bounding wall two as an organic whole, the inner wall of bounding wall two and the lateral wall sliding connection of bounding wall one, a plurality of hole grooves one have been seted up on the bounding wall one, set up the hole groove two that corresponds with the hole groove one cooperation on the bounding wall two.

Preferably, when the air door is closed, the first hole groove and the second hole groove on the first enclosing plate and the second enclosing plate are arranged in a staggered mode, and when the second handle is pulled outwards, the second hole groove is communicated with the first hole groove to achieve pressure relief.

Preferably, the first handle comprises a first handle and two first connecting columns, the first handle is fixedly connected with the two first connecting columns, the end parts of the first connecting columns are fixedly connected with a ring plate, the ring plate is welded with the air door, and the first connecting columns are provided with sliding grooves.

Preferably, the second handle comprises a second handle and two second connecting columns, the second handle is fixedly connected with the two second connecting columns, the second connecting columns slide through the air door and are in sliding connection with the sliding grooves in the first connecting columns, and the second connecting columns are connected with the bottoms of the sliding grooves through springs.

Preferably, the end part of the connecting column II is fixedly connected with a positioning block, and the positioning block is fixedly connected with the spring.

Preferably, the air door is fixedly connected with a sliding sleeve, and the connecting column II is in sliding connection with the sliding sleeve.

The utility model has the advantages that: the utility model discloses a pressure release hole is opened to two pulling shutoff boards of handle for air door both sides circulation of air reduces the inside and outside pressure differential of air door, conveniently opens, avoids the air door extrusion personnel that resets fast, has reduced the potential safety hazard, and can reset fast to handle two, just the utility model discloses simple structure, the operation of being convenient for, labour saving and time saving, pressure release are efficient.

Drawings

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

FIG. 2 is a schematic perspective sectional view of the overall structure of the present invention;

fig. 3 is a schematic cross-sectional view of the damper of the present invention when closed;

fig. 4 is a schematic structural view of the first enclosing plate and the second enclosing plate in fig. 3 according to the present invention;

fig. 5 is a schematic sectional view of the damper for pressure relief according to the present invention.

In the figure: 1. an air door; 2. a first handle; 21. a first grip; 22. connecting the first column; 23. a ring plate; 24. a chute; 3. a second handle; 31. a second grip; 32. connecting a second column; 33. a spring; 34. positioning blocks; 4. a pressure relief hole; 5. a plugging plate; 6. a first enclosing plate; 7. a second enclosing plate; 8. a first hole groove; 9. a hole groove II; 10. and (4) a sliding sleeve.

Detailed Description

The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and all the directional indicators (such as upper, lower, left, right, front and back 8230; etc.) in the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the accompanying drawings), and if the specific posture is changed, the directional indicator is also changed accordingly.

As shown in fig. 1-2, a pressure relief air door is provided, which comprises an air door 1, wherein two sides of the air door 1 are divided into a high pressure area and a low pressure area to form a pressure difference, a first handle 2 and a second handle 3 are respectively installed on the inner side and the outer side of the air door 1, the first handle 2 is fixedly connected with the air door 1, the second handle 3 penetrates through the air door 1 and is elastically and slidably connected with the first handle 2, a pressure relief hole 4 is formed in a position of the air door 1 between the first handle 2 and the second handle 3, a blocking plate 5 for blocking the pressure relief hole 4 is fixedly connected to the second handle 3, the first air door 1 is fixedly connected to the outer side of the pressure relief hole 4, a second integrated enclosing plate 7 is arranged on the side of the blocking plate 5, the inner wall of the second enclosing plate 7 is slidably connected with the outer side wall of the first enclosing plate 6, seted up a plurality of hole groove 8 on the bounding wall one 6, set up the hole groove two 9 that corresponds with the cooperation of hole groove one 8 on the bounding wall two 7, the pressure release is realized with hole groove one 8 intercommunication in the outside pulling of handle two 3 hole groove two 9, closes pressure release hole 4 through bounding wall one 6, and encloses a 6 closure of bounding wall through bounding wall two 7, and cooperation closure plate 5 realizes sealing bounding wall one 6, and then seals pressure release hole 4, and when air door 1 was closed the setting of staggering of hole groove one 8 and hole groove two 9 on bounding wall one 6 and the bounding wall two 7, when pulling handle two 3, the coincidence intercommunication of hole groove one 8 and hole groove two 9 realizes opening pressure release hole 4, carries out the pressure release.

As shown in fig. 3-5, the first handle 2 includes a first handle 21 and two first connecting posts 22, the first handle 21 is fixedly connected with the two first connecting posts 22, the end of the first connecting post 22 is fixedly connected with a ring plate 23, the ring plate 23 is welded with the air door 1, a sliding groove 24 is formed in the first connecting post 22, the second handle 3 includes a second handle 31 and two second connecting posts 32, the second handle 31 is fixedly connected with the two second connecting posts 32, the second connecting posts 32 slide through the air door 1 and are slidably connected with the sliding groove 24 in the first connecting post 22, the second connecting posts 32 are connected with the bottom of the sliding groove 24 through springs 33, the second handle 31 pulls the second connecting posts 32 to move, so that the blocking plate 5 fixed on the second connecting posts 32 moves, the pressure relief hole 4 is opened, the second handle 3 is reset through the springs 33, the pressure relief hole 4 is blocked, and the moving distance of the second connecting posts 32 is limited, a positioning block 34 is fixedly connected with the end of the second connecting posts 32, the positioning block 34 is fixedly connected with the springs 33, when the positioning block 34 is fixedly connected with the sliding groove 9, the sliding groove is closed, the sliding groove of the sliding sleeve is closed, and the sliding groove of the second connecting posts 32 is closed, and the sliding groove of the sliding sleeve is prevented from affecting the sliding sleeve 1, and the sliding groove 10.

The working principle is as follows: when air door 1 closed, under spring 33's effort, shutoff board 5 on two 3 handles seals pressure release hole 4, and when air door 1 was opened to needs, two 3 pulling handles made shutoff board 5 move to the outside, opened pressure release hole 4, made 1 both sides circulation of air door reduce the inside and outside pressure differential of air door 1 to air door 1 is conveniently opened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a release air door, includes the air door, its characterized in that, handle one and handle two are installed respectively to the inside and outside side of air door, handle one and air door fixed connection, handle two pass the air door and with a handle elastic sliding connection, the pressure release hole has been seted up to the position that the air door is located between handle one and the handle two, fixed connection is used for the shutoff board in shutoff pressure release hole on handle two.

2. The pressure relief air door according to claim 1, wherein the air door is fixedly connected with a first enclosing plate at the outer side of the pressure relief hole, a second enclosing plate connected into a whole is arranged at the side surface of the blocking plate, the inner wall of the second enclosing plate is slidably connected with the outer wall of the first enclosing plate, a plurality of first hole grooves are formed in the first enclosing plate, and second hole grooves corresponding to the first hole grooves are formed in the second enclosing plate in a matching manner.

3. The pressure relief air door of claim 2, wherein the first hole groove and the second hole groove on the first enclosing plate and the second enclosing plate are arranged in a staggered mode when the air door is closed, and the second hole groove is communicated with the first hole groove to achieve pressure relief when the second handle is pulled outwards.

4. The pressure relief air door according to claim 1, wherein the first handle comprises a first handle and two first connecting posts, the first handle is fixedly connected with the two first connecting posts, the end parts of the first connecting posts are fixedly connected with a ring plate, the ring plate is welded with the air door, and the first connecting posts are provided with sliding grooves.

5. The pressure relief air door of claim 4, wherein the second handle comprises a second handle and two second connecting posts, the second handle is fixedly connected with the two second connecting posts, the second connecting posts slide through the air door and are slidably connected with sliding grooves on the first connecting posts, and the second connecting posts are connected with the bottoms of the sliding grooves through springs.

6. The pressure relief damper according to claim 5, wherein the end of the second connecting column is fixedly connected with a positioning block, and the positioning block is fixedly connected with the spring.

7. The pressure relief air door of claim 5, wherein the air door is fixedly connected with a sliding sleeve, and the second connecting column is slidably connected with the sliding sleeve.