CN219365293U

CN219365293U - Convenient assembled smoke prevention and exhaust air pipe

Info

Publication number: CN219365293U
Application number: CN202223249042.8U
Authority: CN
Inventors: 熊尚海; 戚宇涵
Original assignee: Anhui Yizhong Safety Technology Co ltd
Current assignee: Anhui Yizhong Safety Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-07-18
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to the technical field of smoke prevention and exhaust air pipes, in particular to a convenient assembled smoke prevention and exhaust air pipe, which comprises a square pipe and combined flanges fixed at two ends of the square pipe, wherein a fixing fastener for assembling and fixing the square pipe after transverse butt joint is arranged between the two ends of the square pipe and the combined flanges. According to the utility model, the buckling frame, the first fixing block, the stud, the screw sleeve and the second fixing block are added on the basis of the original structure, so that the transverse tool-free rapid assembly operation between the smoke prevention and exhaust air pipes can be realized, the workload and difficulty of operators in the actual construction process are effectively reduced, the transverse assembly efficiency of the smoke prevention and exhaust air pipes is improved, and the transverse assembly convenience of the smoke prevention and exhaust air pipes is also improved.

Description

Convenient assembled smoke prevention and exhaust air pipe

Technical Field

The utility model relates to the technical field of smoke prevention and exhaust air pipes, in particular to a convenient assembled smoke prevention and exhaust air pipe.

Background

The ventilating duct is a metal or composite pipeline for ventilation and air conditioning engineering of industrial and civil buildings, and is a municipal infrastructure for reducing the concentration of harmful gases in order to circulate air. At present, when the transverse splicing assembly is carried out between the smoke prevention and exhaust air pipes, an operator is required to hold a tool to screw the fastening piece into the fixed hole position on the combined flange, but a plurality of fixed hole positions (shown in fig. 4) are distributed on the combined flange, so that the whole assembly and fixing operation of the smoke prevention and exhaust air pipes is time-consuming and labor-consuming, the workload of the operator in the actual construction process is increased, and the convenience and efficiency of the assembly of the smoke prevention and exhaust air pipes are reduced.

Disclosure of Invention

The utility model aims at: in order to solve the problems that the traditional smoke prevention and exhaust air pipe is difficult to realize transverse rapid assembly operation between the smoke prevention and exhaust air pipes, the convenience of assembly operation is poor and the efficiency is low, the provided convenient assembly type smoke prevention and exhaust air pipe is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a convenient equipment formula is prevented fume exhaust tuber pipe, includes square pipe and fixes the composite flange on square pipe both ends, be provided with the fixed fastener that is used for the horizontal butt joint back equipment of square pipe between square pipe and the composite flange both ends.

As a further description of the above technical solution:

the fixing fastener comprises two buckling frames which are of U-shaped structures in shape and cross section and are buckled and coated with the combined flanges, and locking parts arranged at two ends of the buckling frames.

As a further description of the above technical solution:

the locking part comprises a first fixed block fixed on one end of the buckle frame, two rotating buckles symmetrically fixed on the first fixed block, a rotating block rotatably arranged between the two rotating buckles, a stud fixed on the outer part of the rotating block and a screw sleeve rotatably arranged on the outer side of the stud.

As a further description of the above technical solution:

the locking part also comprises a second fixed block fixed on the other end of the buckling frame and a buckling groove which is arranged on the second fixed block and is used for vertically screwing the stud.

As a further description of the above technical solution:

the external diameter of swivel nut is greater than the transverse width of catching groove, the outside fixedly connected with knob of swivel nut.

As a further description of the above technical solution:

the outside cover of double-screw bolt is equipped with spacing inserted block, fixedly connected with can with spacing inserted block looks lock limit stop on the second fixed block.

As a further description of the above technical solution:

and sealing rubber strips extruded and attached to the outer wall of the combined flange are embedded in the inner side of the buckle frame.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

according to the utility model, the buckling frame, the first fixing block, the stud, the threaded sleeve and the second fixing block are added on the basis of the original structure, after the square pipes and the combined flanges between the square pipes are aligned, the buckling frame can be buckled outside the two combined flanges in a staggered manner, after the stud on the first fixing block is screwed into the buckling groove of the second fixing block, the limiting insert on the stud can be driven to be buckled onto the limiting stop block of the second fixing block in an extrusion manner when the knob is held and rotated, at the moment, the two combined flanges can be buckled and fixed between the two buckling frames, so that the structure can realize the transverse tool-free rapid assembly operation between the smoke prevention and exhaust air pipes, effectively reduce the workload and difficulty of operators in the actual construction process, not only can the transverse assembly efficiency of the smoke prevention and exhaust air pipes be improved, but also the transverse assembly convenience of the smoke prevention and exhaust air pipes can be improved.

Drawings

Fig. 1 is a schematic diagram of a convenient assembled smoke prevention and exhaust air duct;

FIG. 2 is a schematic perspective exploded view of the present utility model;

FIG. 3 is a schematic view of the structure of the buckle frame according to the present utility model;

fig. 4 is a schematic structural diagram of a smoke prevention and exhaust duct in the prior art.

Legend description:

1. square tubes; 101. a combination flange; 2. buckling a frame; 201. a first fixed block; 202. a rotating buckle; 203. a second fixed block; 204. a limit stop; 205. a buckling groove; 3. a sealing rubber strip; 4. a rotating block; 401. a stud; 5. a screw sleeve; 501. a knob; 6. and limiting the plug block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a convenient equipment formula is prevented fume exhaust tuber pipe, includes square pipe 1 and fixes the combination flange 101 on square pipe 1 both ends, is provided with the fixed fastener that is used for square pipe 1 transversely to dock the back equipment fixed between square pipe 1 and the combination flange 101 both ends.

Specifically, as shown in fig. 1-3, the fixing fastener includes two fastening frames 2 with a U-shaped structure and a cross section, and fastening and cladding the combined flange 101, and a locking portion disposed at two ends of the fastening frames 2, where the locking portion includes a first fixing block 201 fixed at one end of the fastening frames 2, two rotating buckles 202 symmetrically fixed on the first fixing block 201, a rotating block 4 rotatably mounted between the two rotating buckles 202, a stud 401 fixed outside the rotating block 4, and a threaded sleeve 5 rotatably mounted outside the stud 401, and the locking portion further includes a second fixing block 203 fixed at the other end of the fastening frame 2, and a fastening slot 205 formed on the second fixing block 203 and used for vertically screwing the stud 401, and the shape and the cross section are all the setting of the fastening frame 2 with the U-shaped structure, so that the combined flange 101 can be clad in the fastening frame 2 in all directions, thereby improving the stability after the combined flange 101 and the fastening frame 2 are assembled.

Specifically, as shown in fig. 1-3, the outer diameter of the screw sleeve 5 is larger than the transverse width of the buckling groove 205, so that the screw bolt 401 is conveniently screwed into the buckling groove 205, meanwhile, the screw sleeve 5 can be prevented from sliding into the buckling groove 205, a knob 501 is fixedly connected to the outer portion of the screw sleeve 5, and the knob 501 is convenient for an operator to adjust the rotation of the screw sleeve 5 on the screw bolt 401.

The outside cover of double-screw bolt 401 is equipped with spacing inserted block 6, and fixedly connected with can with spacing inserted block 6 looks lock limit stop 204 on the second fixed block 203, limit stop 204 can prevent that the spacing inserted block 6 atress on the double-screw bolt 401 from taking place the skew and rocking to the stability after the combination is fixed between double-screw bolt 401, first fixed block 201 and the second fixed block 203 has been promoted.

The inner side of the buckle frame 2 is embedded with the sealing adhesive tape 3 which is extruded and attached to the outer wall of the combined flange 101, so that on one hand, the connection gap between the buckle frame 2 and the combined flange 101 can be subjected to flexible plugging treatment, and on the other hand, the structural stability of the buckle frame 2 and the combined flange 101 after assembly is improved.

Working principle: when the smoke prevention pipe is used, after the combined flange 101 on one square pipe 1 is aligned and attached to the combined flange 101 on the other square pipe 1, the two buckling frames 2 can be buckled between the upper part and the lower part of the two combined flanges 101 in a staggered mode, when the first fixing block 201 and the second fixing block 203 on the two buckling frames 2 are attached, the stud 401 on the first fixing block 201 can be vertically rotated into the buckling groove 205, the limit insert block 6 on the stud 401 is buckled on the limit stop block 204 of the second fixing block 203 in a sliding mode, an operator can hold and rotate the knob 501, so that the screw sleeve 5 moves towards the direction of the limit insert block 6, when the screw sleeve 5 contacts and is extruded to the limit insert block 6, the first fixing block 201 and the second fixing block 203 can be locked and fixed, meanwhile, the combined flange 101 between the square pipe 1 and the square pipe 1 can be wrapped and fixed between the two buckling frames 2, and the smoke prevention pipe assembling operation of a tool-free tool is completed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a convenient equipment formula is prevented fume exhaust tuber pipe, includes side's pipe (1) and fixes combination flange (101) on side's pipe (1) both ends, its characterized in that, side's pipe (1) and combination flange (101) both ends between be provided with and be used for side's pipe (1) transversely to dock the fixed fastener of post assembling fixed.

2. The conveniently assembled smoke prevention and exhaust air duct according to claim 1, wherein the fixing fastener comprises two buckling frames (2) which are of U-shaped structures in shape and section and are buckled and wrapped with the combined flange (101) and locking parts arranged at two ends of the buckling frames (2).

3. A conveniently assembled smoke prevention and removal air duct according to claim 2, wherein the locking part comprises a first fixed block (201) fixed on one end of the buckle frame (2), two rotating buckles (202) symmetrically fixed on the first fixed block (201), a rotating block (4) rotatably installed between the two rotating buckles (202), a stud (401) fixed on the outer part of the rotating block (4) and a screw sleeve (5) rotatably installed on the outer side of the stud (401).

4. A conveniently assembled smoke prevention and removal air duct according to claim 3, wherein the locking part further comprises a second fixing block (203) fixed on the other end of the buckle frame (2) and a buckle groove (205) which is arranged on the second fixing block (203) and is used for vertically screwing the stud (401).

5. The conveniently assembled smoke prevention and removal air pipe according to claim 4, wherein the outer diameter of the screw sleeve (5) is larger than the transverse width of the buckling groove (205), and a knob (501) is fixedly connected to the outer part of the screw sleeve (5).

6. The conveniently assembled smoke prevention and exhaust air pipe according to claim 5, wherein the outer part of the stud (401) is sleeved with a limiting plug (6), and the second fixing block (203) is fixedly connected with a limiting stop block (204) which can be buckled with the limiting plug (6).

7. The conveniently assembled smoke prevention and removal air pipe according to claim 6, wherein the inner side of the buckle frame (2) is embedded with a sealing rubber strip (3) which is extruded and attached to the outer wall of the combined flange (101).