CN214425198U

CN214425198U - Distributed explosion venting bolt

Info

Publication number: CN214425198U
Application number: CN202023333004.1U
Authority: CN
Inventors: 朱道奎; 张凌凌; 刘桂林; 荆新华; 张爱军
Original assignee: Henan Anzhu Prefabricated Smoke Control Air Duct Co ltd
Current assignee: Henan Anju New Material Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-19
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a distributing type is let out and is exploded bolt, including annular housing, distributing type pressure gasket and set screw, distributing type pressure gasket sets up the inside at annular housing, distributing type pressure gasket is a plurality of and centers on the axial lead evenly distributed of annular housing along the fore-and-aft direction, every distributing type pressure gasket's front end is all rolled over a foldback, the inside annular groove that is provided with the opening backward of annular housing's front end, distributing type pressure gasket's front end folding part is deepened into the annular groove, set screw passes annular housing horizontally backward, set screw is close to annular housing's axial lead direction under distributing type pressure gasket folding part's extrusion, the front end opening and the cover of annular housing are equipped with the environmental pollution protective cover, in a word the utility model discloses have can in good time adjust let out and explode pressure value size, long service life, be difficult to receive the pollution, The installation is convenient, and the accessories are not easy to be damaged in the installation and use processes.

Description

Distributed explosion venting bolt

Technical Field

The utility model belongs to the technical field of it explodes to relate to building safety lets out for the complement is let out in needs setting up the building and is exploded the carrier use of exploding of letting out of pressure release facility, especially relates to a distributing type lets out and explodes bolt.

Background

In recent years, places such as factory buildings, boiler houses, dangerous goods warehouses and the like which are dangerous to explode have strict explosion-proof explosion-venting standards, through the setting of explosion-venting doors, explosion-venting walls, explosion-venting roofs and the like, indoor pressure can be timely vented outdoors when explosion occurs, so that great personnel and property loss is prevented, the explosion-venting bolts are devices between connecting walls, roofs or connecting windows and rooting fixing devices, the explosion-venting walls, the explosion-venting roofs and other walls can be guaranteed to be connected under normal conditions, and the doors and door frames can be guaranteed, meanwhile, the explosion shock waves can be vented through the opened pressure relief ports or the opened windows when explosion occurs due to disconnection under the impact of pressure. The existing explosion venting bolt mainly comprises a screw rod, an elastic gasket and a metal gasket, wherein the metal gasket and the elastic gasket can automatically warp and deform together under the high pressure condition, so that a pressure relief opening is formed by disconnection, but the explosion venting bolt has a lot of inconvenience, firstly, different types of metal gaskets are needed for different screw rods, the production cost is high, the metal gaskets are small, the metal gaskets are very easy to lose in the carrying process, in addition, when the explosion venting bolt is installed, a little fastening screw rod can cause the damage of the metal gaskets, further the gaskets lose the effect, the gasket needs to be purchased and replaced again, a large amount of waste and construction period delay are caused, on the other hand, when the explosion venting pressure value is required to be adjusted along with the change of the working condition or design parameters of a building, the existing explosion venting bolt can only be detached and installed again, and the timely and high-efficiency adjustment cannot be realized, finally, in the long-term use process, the existing explosion venting bolt is often in an exposed state and is easily polluted by the environment and corroded by acid and alkali, so that the normal use of the explosion venting bolt is influenced, and the explosion venting capability and the safety performance of the explosion venting bolt in explosion are further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a distributed explosion venting bolt, it is fixed unchangeable to solve the existing explosion venting bolt and let out the pressure value of exploding, can't let out to explode the bolt through single and match the adjustment and solve the problem that the bolt must be torn open and renew the new system again when letting out to explode the pressure value adjustment to letting out, it is inconvenient still to have solved the current bolt installation of letting out to explode simultaneously, damage easily in the installation, the use receives the technical problem that the corruption and accessory are lost easily to pollute.

The utility model adopts the technical scheme as follows:

a distributed explosion venting bolt is arranged on an explosion venting carrier and comprises an annular shell, distributed pressure gaskets and positioning screws, wherein the existing explosion venting carrier mainly comprises an explosion venting door, an explosion venting wall and an explosion venting roof, the distributed explosion venting bolt used by the utility model can be used on the corresponding explosion venting door, explosion venting wall and explosion venting roof, the upper part of the explosion venting carrier is provided with a rooting fixing device and an explosion venting panel which is opened by turning backwards, the upper end of the explosion venting panel is rotationally connected with the rooting fixing device, the annular shell is a circular sleeve and horizontally and backwards passes through the rooting fixing device, the outer side wall of the annular shell is fixedly connected with the inside of the rooting fixing device, the distributed pressure gaskets are arranged inside the annular shell, the distributed pressure gaskets are a plurality of and evenly distributed around the axial lead of the annular shell along the front-back direction, the front end of each distributed pressure gasket is turned backwards, the folding direction of each distributed pressure gasket is towards the central position of the annular shell, an annular groove with a backward opening is formed in the front end of the annular shell, the outer ring of the annular groove is connected with the inner side wall of the front end of the annular shell, the opening direction of the annular groove extends backwards along the direction towards the center of the annular shell in an inclined mode, the front end folding part of each distributed pressure gasket extends into the annular groove, a positioning screw horizontally penetrates through the annular shell backwards, the positioning screw is close to the axial lead direction of the annular shell under the extrusion of the folding part of each distributed pressure gasket, the rear end of the positioning screw penetrates through the rooting fixing device and is fixedly connected with the bottom of the explosion venting panel, an environment pollution protective cover is arranged on the front end opening of the annular shell in a sleeved mode, and the environment pollution protective cover is connected with the front end of the annular shell in a screwed mode.

Further, the set screw comprises a screw cover and a screw body, the screw cover horizontally presses the distributed pressure gaskets backwards, so that the set screw and the annular shell are connected through the distributed pressure gaskets, and the screw body horizontally backwards extends backwards into the explosion venting panel along gaps among the distributed pressure gaskets.

Furthermore, the diameter of the annular groove is larger than the thickness of the distributed pressure gasket by two times, and the front end of the distributed pressure gasket extrudes the inner side wall of the annular groove under the action of elastic force.

Further, be provided with on the lateral wall of annular shell with the external screw thread that interior thread matches on the environmental pollution protective cover inside wall, environmental pollution protective cover's front and back length is greater than annular shell front end and the distance of the fixing device that takes root.

Furthermore, the annular groove is formed by bending the front end of the annular shell towards the center of the annular shell, and the annular groove and the annular shell are integrally formed in the production process.

Furthermore, the diameter of the rear end of the annular shell is smaller than that of the front end of the annular shell, the rear end of the annular shell extends into the rooting fixing device, and the diameter of the positioning screw is smaller than the difference between the diameter of the rear end of the annular shell and the double thickness of the distributed pressure gasket.

Furthermore, the distributed pressure gasket is made of aluminum alloy sheets with relatively strong elasticity, and the outer end of the annular shell is made of stainless steel.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

in the utility model, the original arc-shaped pressing plate is replaced and fixed by the connection mode of the distributed pressure gaskets and the positioning screws, the arc-shaped pressing plate can be prevented from being damaged in the installation process, the positioning screws can ensure the connection of the rooting fixing device and the rooting panel under the extrusion of the distributed pressure gaskets in the normal use process, and ensure the normal use of the rooting carrier, when explosion happens, the positioning screws can extrude the distributed pressure gaskets under the driving of the rooting panel and pass through the gaps of the distributed pressure gaskets so as to be separated from the annular shell, so that the connection of the rooting panel and the rooting fixing device is disconnected, the opening between the rooting fixing device and the explosion panel formed by opening the explosion panel is decompressed, and the explosion venting bolt can be installed again to continue to use after the explosion is completed, the explosion bolt is integrated with the annular shell by the annular groove and the annular shell, and the distributed pressure gaskets are folded and arranged in the annular shell, reduction in production cost increases production efficiency, and the accessory that corresponds moreover also is difficult for losing, can also protect distributing type pressure gasket and set screw when increasing pleasing to the eye through the environmental pollution protective cover to prevent to rust and the pollution of grease, dust, increase the distributing type and let out the life who explodes the bolt.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection of a distributed pressure gasket and set screw;

FIG. 3 is a schematic view of the connection of the distributed pressure gasket and the annular groove;

FIG. 4 is a schematic view of the connection of a distributed pressure gasket and shank.

The labels in the figure are: 1-annular shell, 2-distributed pressure gasket, 3-set screw, 4-rooting fixing device, 5-explosion venting panel, 6-annular groove, 8-nail body, 9-environmental pollution protective cover and 10-explosion-proof glass.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

A distributed explosion venting bolt is arranged on an explosion venting carrier and comprises an annular shell 1, distributed pressure gaskets 2 and a positioning screw 3, wherein the upper part of the explosion venting carrier is provided with a rooting fixing device 4 and an explosion venting panel 5 which is turned backwards and opened, the rooting fixing device 4 in the embodiment adopts an A-type explosion venting window frame, the explosion venting panel 5 adopts an A-type explosion venting window plate, the specific structures of the A-type explosion venting window frame and the A-type explosion venting window plate are the prior art, too much description is not provided, the upper end of the explosion venting panel 5 is rotatably connected with the rooting fixing device 4, the explosion venting panel 5 can be opened outwards, the annular shell 1 is a circular sleeve and horizontally and backwards penetrates through the rooting fixing device 4, the outer side wall of the annular shell 1 is fixedly connected with the inside of the rooting fixing device 4, the distributed pressure gaskets 2 are arranged inside the annular shell 1, the distributed pressure gaskets 2 are uniformly distributed around the axial lead of the annular shell 1 along the front and back direction, every distributed pressure gasket 2's front end all turns over a folding backward, and every distributed pressure gasket 2 turns over a direction and all puts towards the central point of annular shell 1, and distributed pressure gasket 2 adopts the aluminium alloy piece that elasticity is stronger, and the outer end of annular shell 1 adopts stainless steel simultaneously, all is difficult for rustting, increases to let out the life who explodes the bolt. An annular groove 6 with a backward opening is arranged in the front end of the annular shell 1, the outer ring of the annular groove 6 is connected with the inner side wall of the front end of the annular shell 1, the annular groove 6 is formed by bending the front end of the annular shell 1 to the center of the annular shell 1, the annular groove 6 and the annular shell 1 are integrally formed in the production process, the opening direction of the annular groove 6 is inclined and extends backwards along the direction towards the center of the annular shell 1, the front end folding part of the distributed pressure gasket 2 extends into the annular groove 6 from the increase of the production efficiency of the explosion venting bolt, the diameter of annular groove 6 is greater than the twice thickness that is in distributed pressure gasket 2, and the front end of distributed pressure gasket 2 extrudees the inside wall of annular groove 6 under the effect of elasticity, makes things convenient for distributed pressure gasket 2 to get into in annular groove 6 simultaneously can also accomplish preliminary fixed through distributed pressure gasket 2 in the inside extrusion of annular groove 6. The positioning screw 3 horizontally penetrates through the annular shell 1 backwards, the positioning screw 3 is close to the axial lead direction of the annular shell 1 under the extrusion of the folding part of the distributed pressure gasket 2, the positioning screw 3 comprises a screw cover and a screw body 8, the screw cover horizontally extrudes the distributed pressure gasket 2 backwards, so that the positioning screw 3 and the annular shell 1 are connected through the distributed pressure gasket 2, the diameter of the screw cover is smaller than the inner side wall of the annular shell 1 and can be pulled out from the rear end of the annular shell 1 along the inside of the annular shell 1 without the limitation of the distributed pressure gasket 2, the screw body 8 horizontally backwards penetrates into the explosion venting panel 5 backwards along the gap of the distributed pressure gaskets 2, and the rear end of the screw body 8 is fixedly connected with the bottom of the explosion venting panel 5.

Front end opening and the cover of annular shell 1 are equipped with environmental pollution protective cover 9, environmental pollution protective cover 9 and annular shell 1's front end screwed connection, be provided with on annular shell 1's the lateral wall with the external screw thread that internal thread matches on the 9 inside walls of environmental pollution protective cover, environmental pollution protective cover 9's front and back length is greater than annular shell 1 front end and the distance of the fixing device 4 of takeing root, make things convenient for environmental pollution protective cover 9 to further prevent fires to annular shell 1's lateral wall. The diameter of the rear end of the annular shell 1 is smaller than that of the front end of the annular shell 1, the rear end of the annular shell 1 extends into the rooting fixing device 4, and the diameter of the positioning screw 3 is smaller than the difference value between the diameter of the rear end of the annular shell 1 and the thickness of the distributed pressure gasket 2 which is two times of the thickness of the distributed pressure gasket, so that the annular shell 1 and the rooting fixing device 4 can be conveniently connected. Let out the upper portion of exploding panel 5 and be provided with the glass mounting groove, the inside of glass mounting groove is provided with explosion-proof glass 10, and annular housing 1 sets up in the below of glass mounting groove and is located to let out and explode panel 5 in the middle part position of left right direction, can increase to let out and explode the pressure release effect that forms the pressure release mouth between panel 5 and the fixing device 4 of takeing root under letting out and exploding the circumstances of bolt separation, and the pressure release mouth area is bigger, and the pressure release effect is better.

In the use process of the utility model, the rooting fixing device 4 and the explosion venting panel 5 are kept in a closed state in the normal use process, at the moment, the positioning screw 3 is extruded by the distributed pressure gasket 2 to penetrate into the annular shell 1, the rear end of the positioning screw 3 is fixedly connected with the explosion venting panel 5, the front end of the positioning screw 3 is ensured to be positioned at the front end of the annular shell 1 under the elastic extrusion of the distributed pressure gasket 2 so as to ensure the normal use of an explosion venting carrier, when explosion occurs, the positioning screw 3 is driven by the explosion venting panel 5 to extrude the distributed pressure gasket 2, the rear end tension borne by the positioning screw 3 exceeds the elastic limit of the distributed pressure gasket 2, then the positioning screw 3 passes through the gaps of the distributed pressure gaskets 2 and horizontally breaks away from the annular shell 1 backwards along the annular shell 1, thereby completing the disconnection of the annular shell 1 and the positioning screw 3 in the explosion venting bolt, then let out the bottom of exploding panel 5 and break away from fixing device 4 of takeing root, the upset is opened backward, let out and explode panel 5 make the gas outgoing's that the explosion produced outdoor with the pressure release mouth that the deck formed under the upset state backward, the explosion-proof effect of carrier is let out in the performance, in a word the utility model has the advantages of long service life, be difficult to receive pollution, simple to operate, in the installation accessory be difficult to damage and lose.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a distributed explosion venting bolt, sets up on explosion venting carrier, its characterized in that: the explosion venting carrier is provided with a rooting fixing device and an explosion venting panel which can be opened by turning, the rooting fixing device and the explosion venting panel are connected through distributed explosion venting bolts, the annular shell is a circular sleeve and horizontally and backwards penetrates through the rooting fixing device, the outer side wall of the annular shell is fixedly connected with the inside of the explosion venting panel, the distributed pressure gaskets are arranged inside the annular shell, the distributed pressure gaskets are uniformly distributed around the axial lead of the annular shell along the front-back direction, the front end of each distributed pressure gasket is turned over and folded backwards, the turning direction of each distributed pressure gasket faces to the opposite direction of the central axis position of the annular shell, an annular groove with a backward opening is arranged inside the front end of the annular shell, and the outer ring of the annular groove is connected with the inner side wall of the front end of the annular shell, the opening direction of annular groove extends backward along the direction slope towards annular housing center, the front end folding part of distributed pressure gasket gos deep into the annular groove, set screw level backward passes annular housing, and set screw is close to the axial lead direction of annular housing under distributed pressure gasket folding part's extrusion, and set screw's rear end is passed the fixing device of taking root and is exploded the bottom fixed connection of panel with letting out, the front end opening of annular housing and cover are equipped with the environmental pollution protective cover, and the environmental pollution protective cover is connected with the front end spiro union of annular housing.

2. The distributed explosion venting bolt of claim 1, wherein: the positioning screw comprises a screw cover and a screw body, the screw cover horizontally presses the distributed pressure gaskets backwards to connect the positioning screw and the annular shell through the distributed pressure gaskets, and the screw body horizontally backwards extends backwards to the explosion venting panel along gaps among the distributed pressure gaskets.

3. The distributed explosion venting bolt of claim 1, wherein: the diameter of the annular groove is larger than twice of the thickness of the distributed pressure gasket, and the front end of the distributed pressure gasket extrudes the inner side wall of the annular groove under the action of elastic force.

4. The distributed explosion venting bolt of claim 1, wherein: the outer side wall of the annular shell is provided with an external thread matched with the internal thread on the inner side wall of the environmental pollution protective cover, and the length of the environmental pollution protective cover is greater than the distance between the front end of the annular shell and the rooting fixing device.

5. The distributed explosion venting bolt of claim 1, wherein: the annular groove is formed by bending the front end of the annular shell towards the center of the annular shell, and the annular groove and the annular shell are integrally formed in the production process.

6. The distributed explosion venting bolt of claim 1, wherein: the diameter of the rear end of the annular shell is smaller than that of the front end of the annular shell, the rear end of the annular shell extends into the rooting fixing device, and the diameter of the positioning screw is smaller than the difference between the diameter of the rear end of the annular shell and the double thickness of the distributed pressure gasket.

7. The distributed explosion venting bolt of claim 1, wherein: the distributed pressure gasket is made of aluminum alloy sheets with relatively strong elasticity, and the outer end of the annular shell is made of stainless steel.