CN212226105U - Fire-proof valve for air pipe penetrating through expansion joint - Google Patents

Abstract

The utility model discloses a wear expansion joint tuber pipe fire prevention valve, including wall body, expansion joint, expansion bolts, connection steel bay, first nut, connecting rod, tuber pipe, heat preservation, dead weight formula fire prevention valve, fixed scute, second nut, inspection door and connecting pipe. The utility model has the advantages that: dead weight formula fire prevention valve and the vertical inlay card of the inside cavity of tuber pipe, and it is fixed to fix a position through two vertical connecting rods about it, can fix a position and consolidate dead weight formula fire prevention valve, the tuber pipe will fix the scute through the second nut and twist soon the locking, and then make the tuber pipe be detachable connection with the connecting rod, be connected through the quick detach formula, be convenient for to the installation of tuber pipe and the dismantlement in later stage, the length and the wide size of inspection door are 500mm, and the inspection door respectively be provided with one and be bilateral symmetry formula setting on two tuber pipes about, can in time inspect the tuber pipe is inside.

Description

Fire-proof valve for air pipe penetrating through expansion joint

Technical Field

The utility model relates to a tuber pipe fire prevention valve specifically is a wear expansion joint tuber pipe fire prevention valve, belongs to tuber pipe fire prevention valve technical field.

Background

The tuber pipe, be used for air feeding and the pipe-line system who distributes, there are compound tuber pipe and inorganic tuber pipe two kinds, compound tuber pipe uses the Durkduct tuber pipe as the representative, can be categorised according to cross sectional shape and material, the preparation of tuber pipe preparation stainless steel tuber pipe is at the seam of stinging, the rivet seam, sealed glue (like neutral glass glue) is scribbled in gap such as flange turn-ups four corners, should clear away surperficial dust and greasy dirt before scribbling sealed glue, according to cross sectional shape, the tuber pipe can divide into circular tuber pipe, the rectangle tuber pipe, multiple such as oblate tuber pipe, wherein circular tuber pipe resistance is minimum but the height dimension is the biggest, the preparation is complicated, so use the rectangle tuber pipe as the owner, according to the material, the tuber pipe can divide into the metal tuber.

However, the fire prevention problem to the tuber pipe then is the heavy load among the tuber pipe safety problem, consequently, then need a cross expansion joint tuber pipe fire prevention valve to satisfy the demand on the market at present, although multiple tuber pipe fire prevention valve has been produced on the market at present, but overall, but still there are a lot of general illnesses, one of them, current tuber pipe fire prevention valve adopts rigidity tubular product to connect when crossing the expansion joint mostly, tubular product can produce certain deformation and cause the damage when leading to wall body expend with heat and contract with cold, two of it, most do not set up the inspection door on the current tuber pipe fire prevention valve, lead to can't observing the tuber pipe internal conditions.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wear expansion joint tuber pipe fire prevention valve in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a fire damper for a through-expansion-joint air pipe comprises a wall body, expansion joints, expansion bolts, a connecting steel groove, a first nut, a connecting rod, an air pipe, a heat insulation layer, a dead-weight fire damper, a fixed angle plate, a second nut, an inspection door and a connecting pipe; the wall body is located the tuber pipe top, the expansion joint is located space department between two adjacent wall bodies, expansion bolts is embedded fixing in the wall body bottom, connect the steel bay and fix in the expansion bolts bottom through first nut, first nut is twisted soon respectively on expansion bolts, connecting rod, the top of connecting rod is connected on connecting the steel bay, and the tuber pipe is run through to its bottom, the tuber pipe passes through the connecting rod level to be fixed in the wall body below, the setting of tuber pipe inner wall is hugged closely to the heat preservation, the vertical joint of dead weight formula fire prevention valve is in the inside cavity of tuber pipe, fixed scute passes through the second nut to be fixed in the bottom of connecting rod, the inspection door sets up in the tuber pipe bottom, the connecting pipe is connected between two adjacent tuber pipe ports.

Preferably, in order to prevent the distance of the expansion joint from changing due to thermal expansion and contraction of the wall body, and further prevent the connecting pipe from deforming and damaging, the connecting pipe is made of a high polymer plastic material and becomes a threaded hose.

Preferably, in order to ensure that the connection point of the connecting pipe and the air pipe is sealed and prevent safety accidents caused by air leakage, the connecting pipe is fixedly bonded with the port of the air pipe through fixing glue and is subjected to sealing treatment at the bonding point.

Preferably, in order to position and reinforce the dead weight type fire damper, the dead weight type fire damper is vertically embedded with the cavity inside the air pipe and is positioned and fixed through the left vertical connecting rod and the right vertical connecting rod.

Preferably, in order to facilitate the installation of the air pipe and the later-stage disassembly, the air pipe is locked by screwing the fixed angle plate through the second nut, and then the air pipe is detachably connected with the connecting rod.

Preferably, in order to inspect the inside of the air duct in time, the length and width of the inspection door are both 500mm, and the inspection door is respectively provided with one on the left air duct and the right air duct and is arranged in a bilateral symmetry manner.

The utility model has the advantages that: the air duct fire-proof valve is reasonable in design, the connecting pipe is a threaded hose made of a high polymer plastic material, the change of the distance of an expansion joint caused by thermal expansion and cold contraction of a wall body is prevented through the flexibility of the connecting pipe, the connecting pipe is further deformed and damaged, the connecting pipe is fixedly glued with the port of the air duct through fixing glue, sealing treatment is carried out at a gluing point, the sealing of a connecting point of the connecting pipe and the air duct is ensured, safety accidents caused by air leakage are prevented, the dead weight type fire-proof valve is vertically clamped with the cavity inside the air duct, the dead weight type fire-proof valve can be positioned and reinforced through the left vertical connecting rod and the right vertical connecting rod, the fixed angle plate is screwed and locked through the second nut, the air duct is detachably connected with the connecting rods, the air duct is conveniently mounted and later detached through the quick-dismounting type connection, and the length and width sizes of the inspection door are, and the inspection door is respectively provided with one on the left air pipe and the right air pipe and is arranged in a bilateral symmetry mode, so that the interior of the air pipes can be inspected in time.

Drawings

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

fig. 2 is the local schematic view of the connection steel tank of the utility model.

In the figure: 1. wall body, 2, expansion joint, 3, expansion bolts, 4, connecting steel channel, 5, first nut, 6, connecting rod, 7, tuber pipe, 8, heat preservation, 9, dead weight formula fire prevention valve, 10, fixed scute, 11, second nut, 12, inspection door and 13, connecting pipe.

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.

Referring to fig. 1-2, a fire damper for a through-expansion-joint air duct comprises a wall body 1, an expansion joint 2, an expansion bolt 3, a connecting steel groove 4, a first screw cap 5, a connecting rod 6, an air duct 7, an insulating layer 8, a dead weight type fire damper 9, a fixed angle plate 10, a second screw cap 11, an inspection door 12 and a connecting pipe 13; wall body 1 is located tuber pipe 7 top, expansion joint 2 is located space department between two adjacent wall bodies 1, expansion bolts 3 are embedded to be fixed in 1 bottom of wall body, connect steel bay 4 to fix in 3 bottoms of expansion bolts through first nut 5, first nut 5 is twisted soon respectively on expansion bolts 3, connecting rod 6, the top of connecting rod 6 is connected on connecting steel bay 4, and tuber pipe 7 is run through to its bottom, tuber pipe 7 passes through connecting rod 6 level to be fixed in 1 below of wall body, 7 inner walls of tuber pipe set up are hugged closely to heat preservation 8, the vertical joint of dead weight formula fire prevention valve 9 is in the inside cavity of tuber pipe 7, fixed scute 10 passes through second nut 11 to be fixed in the bottom of connecting rod 6, inspection door 12 sets up in 7 bottoms of tuber pipe, connecting pipe 13 is connected between two adjacent tuber pipe 7 ports about.

The connecting pipe 13 is a threaded hose made of a high polymer plastic material, the distance of the expansion joint 2 is prevented from changing due to thermal expansion and cold contraction of the wall body 1 through the flexibility of the connecting pipe 13, the connecting pipe 13 is further deformed and damaged, the connecting pipe 13 is fixed with the port of the air pipe 7 through cementing of fixing glue and is subjected to sealing treatment at a cementing point, the sealing of a connecting point of the connecting pipe 13 and the air pipe 7 is ensured, safety accidents caused by air leakage are prevented, the dead weight type fire prevention valve 9 is vertically clamped and embedded with the inner cavity of the air pipe 7 and is positioned and fixed through the left vertical connecting rod 6 and the right vertical connecting rod 6, the dead weight type fire prevention valve 9 can be positioned and reinforced, the air pipe 7 is screwed and locked with the angle plate 10 through the second nut 11, the air pipe 7 is detachably connected with the connecting rods 6, and the installation and later-stage disassembly of the air pipe 7 are facilitated through the quick, the length and the wide size of inspection door 12 are 500mm, and inspection door 12 respectively is provided with one and is bilateral symmetry formula setting on two tuber pipes 7 about, can in time inspect tuber pipe 7 is inside.

The working principle is as follows: when using this tuber pipe fire prevention valve, connect the top of connecting rod 6 on connecting steel bay 4 earlier and fix through first nut 5, run through tuber pipe 7 with its bottom, fix a position dead weight formula fire prevention valve 9 through two connecting rods 6, fix it in the inside cavity of tuber pipe 7, then twist the lock with fixed scute 10 with tuber pipe 7 through second nut 11, and then make tuber pipe 7 be detachable with connecting rod 6 and be connected, through the connection of quick detach formula, be convenient for to the dismantlement in the installation and the later stage of tuber pipe 7, it can to connect formation a whole through connecting pipe 13 with two tuber pipes 7 about at last.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a wear expansion joint tuber pipe fire prevention valve which characterized in that: the expansion joint comprises a wall body (1), an expansion joint (2), an expansion bolt (3), a connecting steel groove (4), a first screw cap (5), a connecting rod (6), an air pipe (7), a heat-insulating layer (8), a dead weight type fire damper (9), a fixed angle plate (10), a second screw cap (11), an inspection door (12) and a connecting pipe (13); the wall body (1) is positioned above an air pipe (7), the expansion joint (2) is positioned at the position of a gap between two adjacent wall bodies (1), the expansion bolts (3) are embedded and fixed at the bottom of the wall bodies (1), the connecting steel grooves (4) are fixed at the bottom of the expansion bolts (3) through first screw caps (5), the first screw caps (5) are screwed on the expansion bolts (3) and the connecting rods (6) respectively, the top ends of the connecting rods (6) are connected onto the connecting steel grooves (4), the bottom ends of the connecting rods run through the air pipe (7), the air pipe (7) is horizontally fixed below the wall bodies (1) through the connecting rods (6), the heat preservation layer (8) is tightly attached to the inner wall of the air pipe (7), the dead weight type fire damper (9) is vertically clamped in the inner cavity of the air pipe (7), and the fixing angle plate (10) is fixed at the bottom of the connecting rods (6) through second screw caps, the inspection door (12) is arranged at the bottom of the air pipe (7), and the connecting pipe (13) is connected between the ports of the left and right adjacent air pipes (7).

2. The fire damper of a through-expansion joint air duct of claim 1, wherein: the connecting pipe (13) is made of high polymer plastic materials and becomes a threaded hose.

3. The fire damper of a through-expansion joint air duct of claim 1, wherein: the connecting pipe (13) is fixedly bonded with the end opening of the air pipe (7) through fixing glue, and sealing treatment is carried out at the bonding point.

4. The fire damper of a through-expansion joint air duct of claim 1, wherein: the dead weight type fire damper (9) is vertically embedded with a cavity in the air pipe (7) and is positioned and fixed through the left vertical connecting rod (6) and the right vertical connecting rod (6).

5. The fire damper of a through-expansion joint air duct of claim 1, wherein: the air pipe (7) is detachably connected with the connecting rod (6) by screwing and locking the fixed angle plate (10) through the second screw cap (11).

6. The fire damper of a through-expansion joint air duct of claim 1, wherein: the length and width of the inspection door (12) are both 500mm, and the inspection door (12) is respectively provided with one on the left air pipe (7) and the right air pipe (7) and is arranged in a bilateral symmetry manner.

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