CN210240586U

CN210240586U - Bolt-fixed smoke exhaust valve

Info

Publication number: CN210240586U
Application number: CN201921300449.4U
Authority: CN
Inventors: Juezheng Liu; 刘决正
Original assignee: Jiangxi Hetai Environmental Technology Co Ltd
Current assignee: Jiangxi Hetai Environmental Technology Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-04-03
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a bolt fastening formula smoke damper, including valve body and inside valve clack subassembly, the utility model discloses a settle the sealing washer in the valve body bottom to use the design of bolt fastening in the junction of valve body and sealing washer, not only make smoke damper and branch pipe accomplish zonulae occludens, the steadiness is poor when also having solved the branch pipe installation, and these difficult problems of installation operation complicacy, and whole appearance simple structure, elegant appearance, and when the conflagration took place has also been guaranteed in the design of settling the handle on pivot upper portion, thereby the site person can in time open smoke damper through the rotatory valve clack of handle.

Description

Bolt-fixed smoke exhaust valve

Technical Field

The utility model relates to a smoke damper technical field specifically is a bolt fastening formula smoke damper.

Background

The smoke exhaust valve is a device which is connected with each branch pipe of a smoke exhaust system in a building, keeps a closed state under normal conditions, can be opened in time when a fire disaster occurs or smoke is required to be exhausted, and effectively exhausts smoke.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bolt fastening formula smoke damper to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a bolt-fixed smoke exhaust valve comprises a valve body and a valve clack assembly arranged inside the valve body, wherein the valve clack assembly comprises a valve clack, the shape of the leaf surface of the valve clack is circular, a handle is arranged right above the valve clack, the bottom center of the handle is fixedly connected with the top center of the valve clack through a rotating shaft, a support shaft is fixedly connected with the bottom center of the valve clack, the valve body comprises a circular tube, holes are symmetrically formed in the side surface of the circular tube close to the top surface, a plurality of cushion blocks are equidistantly arranged on the circumferential outer wall of the circular tube close to the bottom surface, the cushion blocks are fixedly connected with the circular tube, a first clamping block is fixedly connected with the upper surface center of each cushion block, a screw hole is formed in the surface center of the first clamping block, a bolt is arranged in the screw hole, a sealing ring, the side surface of the outer ring is provided with second clamping blocks which correspond to the first clamping blocks in a one-to-one mode, the second clamping blocks and the outer ring are of an integrally formed structure, screw holes are formed in the center of the surface of each second clamping block, and the first clamping blocks and the second clamping blocks penetrate through the screw holes through bolts to be fixed.

Preferably, the diameter of the valve flap is equal to the inner diameter of the circular tube.

Preferably, the diameters of the rotating shaft, the supporting shaft and the hole are equal, and the circular tube penetrates through the hole through the rotating shaft and the supporting shaft to be connected with the valve clack assembly in a rotating mode.

Preferably, the bolt is in threaded connection with the screw hole.

Preferably, the diameter of the inner ring is equal to the inner diameter of the outer ring and the inner diameter of the circular tube.

Preferably, the head of the bolt may be shaped as a hexagonal head or a square head.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an settle the sealing washer in the valve body bottom to use the design of bolt fastening in the junction of valve body and sealing washer, not only make smoke damper and branch pipe accomplish zonulae occludens, the steadiness is poor when also having solved the branch pipe installation, these difficult problems of installation operation complicacy, and whole appearance simple structure, elegant appearance, and when the conflagration took place has also been guaranteed in the design of settling the handle on pivot upper portion, thereby the field personnel can in time open smoke damper through the rotatory valve clack of handle.

Drawings

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

FIG. 2 is a schematic view of the valve flap assembly of the present invention;

FIG. 3 is an enlarged view of the point A of the present invention;

fig. 4 is a schematic structural view of the valve body of the present invention;

FIG. 5 is an enlarged view of the point B of the present invention;

fig. 6 is a schematic structural view of a seal ring according to the present invention;

fig. 7 is an enlarged view of the position C of the present invention.

In the figure: 1. a valve flap assembly; 11. a valve flap; 12. a rotating shaft; 13. a grip; 14. a support shaft; 2. a valve body; 21. a circular tube; 22. a hole; 23. cushion blocks; 24. a first clamping block; 25. a screw hole; 3. a seal ring; 31. an outer ring; 32. an inner ring; 33. a bolt; 34. and a second clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-7, the present invention provides a technical solution:

the utility model provides a bolt-fixed smoke exhaust valve, includes valve body 2 and inside valve clack subassembly 1, its characterized in that: the valve clack assembly 1 comprises a valve clack 11, the shape of the leaf surface of the valve clack 11 is circular, a handle 13 is arranged right above the valve clack 11, the bottom center of the handle 13 is fixedly connected with the top center of the valve clack 11 through a rotating shaft 12, the bottom center of the valve clack 11 is fixedly connected with a supporting shaft 14, the valve body 2 comprises a round pipe 21, holes 22 are symmetrically formed in the side surface of the round pipe 21 close to the top surface, a plurality of cushion blocks 23 are arranged on the circumferential outer wall of the round pipe 21 close to the bottom surface at equal intervals, the cushion blocks 23 are fixedly connected with the round pipe 21, a first clamping block 24 is fixedly connected with the upper surface center of the cushion blocks 23, a screw hole 25 is formed in the surface center of the first clamping block 24, a bolt 33 is arranged in the screw hole 25, a sealing ring 3 is arranged on the bottom surface of the round pipe 21, the side surface of the outer ring 31 is provided with second clamping blocks 34 which correspond to the first clamping blocks 24 one by one, the second clamping blocks 34 and the outer ring 31 are of an integrally formed structure, the center of the surface of each second clamping block 34 is provided with a screw hole 25, and the first clamping blocks 24 and the second clamping blocks 34 penetrate through the screw holes 25 through bolts 33 to be fixed.

Furthermore, the diameter of the valve flap 11 is equal to the inner diameter of the circular tube 21, so that the valve flap 11 can freely rotate in the circular tube 21, and the sealing performance in the circular tube 21 is ensured in a closed state.

Furthermore, the diameters of the rotating shaft 12, the supporting shaft 14 and the hole 22 are equal, and the circular tube 21 penetrates through the hole 22 through the rotating shaft 12 and the supporting shaft 14 to be connected with the valve clack assembly 1 in a rotating mode, so that the valve clack assembly 1 can freely rotate around the rotating shaft 12 in the circular tube 21.

Further, the bolt 33 is in threaded connection with the screw hole 25, so that the bottom surface of the circular tube 21 and the sealing ring 3 can be connected and fixed after the bolt 33 is screwed in.

Further, the diameter of the inner ring 32 is equal to the inner diameter of the outer ring 31 and the circular tube 21, so that the inner ring 32 can be inserted and fixed with the bottom of the circular tube 21.

It should be noted that the head of the bolt 33 may be a hexagonal head or a square head, and the hexagonal head is preferably adopted in this embodiment, so as to be convenient for matching with a wrench.

It should be added that a layer of rubber ring is arranged between the rotating shaft 12 and the hole 22, and the rubber ring increases the friction force between the rotating shaft 12 and the hole 22, so as to ensure that the valve flap 11 rotates only when the operator rotates the grip 13, but not under the influence of the air pressure in the valve.

When the bolt-fixed smoke exhaust valve of the embodiment is used, firstly, a branch pipe of a smoke exhaust system penetrates through the sealing ring 3 from the outer ring 31 to the inner ring 32, then the end part of the branch pipe is turned outwards from inside to outside to wrap the outer surface of the inner ring 32, meanwhile, the inner ring 32 is inserted into the bottom of the circular pipe 21, and the sealing ring 3 is rotated to align the positions of the first clamping blocks 24 and the second clamping blocks 34 and is fixed by using the bolts 33.

The utility model discloses a settle sealing washer 3 in 2 bottoms of valve body to use the fixed design of bolt 33 in the junction of valve body 2 and sealing washer 3, not only make smoke damper and branch pipe accomplish zonulae occludens, the steadiness is poor when also having solved the branch pipe installation, these difficult problems of installation operation complicacy, and whole appearance simple structure, elegant appearance, and when the conflagration took place has also been guaranteed in the design of settling handle 13 on 12 upper portions of pivot, thereby the site person can in time open smoke damper through handle 13 rotating valve clack 11.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bolt-fixed smoke exhaust valve, includes valve body (2) and inside valve clack subassembly (1), its characterized in that: the valve clack component (1) comprises a valve clack (11), the shape of the leaf surface of the valve clack (11) is circular, a handle (13) is arranged right above the valve clack (11), the bottom center of the handle (13) is fixedly connected with the top center of the valve clack (11) through a rotating shaft (12), a support shaft (14) is fixedly connected with the bottom center of the valve clack (11), the valve body (2) comprises a circular tube (21), holes (22) are symmetrically formed in the positions, close to the top surface, of the side surface of the circular tube (21), a plurality of cushion blocks (23) are arranged at equal distances, close to the bottom surface, of the circumferential outer wall of the circular tube (21), the cushion blocks (23) are fixedly connected with the circular tube (21), a first clamping block (24) is fixedly connected with the center of the upper surface of the cushion block (23), a screw hole (25) is formed in the center of the surface of the first, the bottom surface of pipe (21) is equipped with sealing washer (3), sealing washer (3) include outer lane (31), one side fixedly connected with inner circle (32) of outer lane (31), the side surface of outer lane (31) is equipped with and puts one-to-one second clamp splice (34) with first clamp splice (24), second clamp splice (34) and outer lane (31) are the integrated into one piece structure, screw (25) have been seted up in second clamp splice (34) surface center department, first clamp splice (24) pass screw (25) with second clamp splice (34) through bolt (33) and fix.

2. The bolt-fixed smoke exhaust valve according to claim 1, wherein: the diameter of the valve clack (11) is equal to the inner diameter of the circular tube (21).

3. The bolt-fixed smoke exhaust valve according to claim 1, wherein: the diameter of pivot (12), back shaft (14) and hole (22) equals, pipe (21) pass hole (22) through pivot (12) and back shaft (14) and are connected with valve clack subassembly (1) rotation.

4. The bolt-fixed smoke exhaust valve according to claim 1, wherein: the bolt (33) is in threaded connection with the screw hole (25).

5. The bolt-fixed smoke exhaust valve according to claim 1, wherein: the diameter of the inner ring (32) is equal to the inner diameters of the outer ring (31) and the circular tube (21).

6. The bolt-fixed smoke exhaust valve according to claim 1, wherein: the head shape of the bolt (33) can be a hexagonal head or a square head.