CN219413874U

CN219413874U - Building ventilation pipeline connecting joint

Info

Publication number: CN219413874U
Application number: CN202320976306.5U
Authority: CN
Inventors: 韩建民; 常红领; 景兰田; 邓婉玉; 吴妍洁
Original assignee: China Construction Fifth Engineering Bureau Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-07-25
Anticipated expiration: 2033-04-26

Abstract

The utility model relates to a building ventilation pipeline connecting joint, which comprises an upper curled edge of an upper air pipe and a lower curled edge of a lower air pipe, wherein the upper curled edge and the lower curled edge are of L-shaped structures, each of the upper curled edge and the lower curled edge comprises a vertical plate extending in the up-down direction and a transverse plate extending in the left-right direction, the vertical plate is connected with the upper curled edge or the lower curled edge, and the transverse plate is vertical to the vertical plate; the upper curled edge and the lower curled edge are connected through an inserting part, the inserting part comprises a frame for enclosing the upper curled edge and the lower curled edge, an avoidance channel for avoiding a vertical plate of the upper curled edge and the lower curled edge is arranged on the frame, and two sides of the avoidance channel are clamping edges of the frame; the distance between the transverse plate and the upper air pipe or the lower air pipe is larger than the thickness of the clamping edge matched with the transverse plate, so that the cutting part can be conveniently inserted between the transverse plate and the upper air pipe or the lower air pipe with surplus space; a fastening assembly for tightly pushing the cutting assembly against the transverse plate is arranged in the frame. The building ventilating duct connecting joint is simple and quick to operate and high in construction speed.

Description

Building ventilation pipeline connecting joint

Technical Field

The utility model belongs to the technical field of building ventilation pipelines, and particularly relates to a building ventilation pipeline connecting joint.

Background

After the construction main body structure is completed, the construction pipeline is required to be installed, and various kinds of construction such as ventilating pipelines, water conveying pipelines, circuit pipelines and the like are required. The building ventilation pipeline comprises an air conditioning ventilation pipeline, an oil smoke ventilation pipeline and the like. Because the air conditioner ventilation pipeline is not contacted with high-temperature inflammable gas, a phenolic pipeline is generally used, the phenolic pipeline can also be connected by using a cutting, and the cutting has certain elasticity and is convenient to plug. The oil fume ventilation pipeline is generally a metal pipeline because of the need of contacting high-temperature or inflammable and explosive fume. The metal pipeline is connected in hoop, cutting, flange, etc. The cutting type connecting mode is to set curled edges on the upper air pipe and the lower air pipe of the ventilating duct, then to insert cutting on the curled edges, and the cutting connects the adjacent curled edges to connect the adjacent upper air pipe and lower air pipe. The current hemming structure has a plurality of types, but each hemming needs to be tightly matched with the cutting when the cutting is inserted, at present, a hammer is generally used for knocking the cutting into the hemming, the construction speed is very slow, the construction efficiency is low, the cutting is easy to damage in the knocking process, and the hemming of the ventilating duct is easy to knock and deform.

Disclosure of Invention

The utility model aims to provide a building ventilating duct connecting joint to solve the technical problem that the existing cutting ventilating duct is inconvenient to connect and install.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a building air pipe connection joint, includes the upper turn-up of upper tuber pipe, the lower turn-up of lower tuber pipe, upper turn-up and lower turn-up are L type structure, and upper turn-up and lower turn-up all include riser that upper and lower direction extends and horizontal board that left and right directions extend, riser and upper turn-up or lower turn-up are connected, and the horizontal board is perpendicular with the riser; the upper curled edge and the lower curled edge are connected through an inserting part, the inserting part comprises a frame for enclosing the upper curled edge and the lower curled edge, an avoidance channel for avoiding a vertical plate of the upper curled edge and the lower curled edge is arranged on the frame, and two sides of the avoidance channel are clamping edges of the frame; the distance between the transverse plate and the upper air pipe or the lower air pipe is larger than the thickness of the clamping edge matched with the transverse plate, so that the cutting part can be conveniently inserted between the transverse plate and the upper air pipe or the lower air pipe with surplus space; a fastening assembly for tightly pushing the cutting assembly against the transverse plate is arranged in the frame.

Preferably, the frame includes the roof, is located the curb plate of roof both sides and the block is followed, and the block is followed and is located the curb plate lower extreme, and fastening assembly includes with diaphragm top press fit's fastening plate, the screw rod of being fixed in on the fastening plate, the nut that is used for locking the screw rod, the screw rod passes the roof and extends to diaphragm top, the nut is located the roof top and connects with the screw rod silk.

Preferably, the fastening plate slides up and down in the frame, and the width of the fastening plate in the left-right direction is greater than the distance between the two clamping edges, so that the fastening plate is clamped above the two clamping edges, and the clamping edges limit the fastening plate not to slide out of the frame downwards.

Preferably, the lower end of the screw rod is provided with a fastening seat which is in pressing fit with the fastening plate so as to enlarge the fit area of the screw rod and the fastening plate.

Preferably, the length of the fastening plate extending in the front-rear direction is identical to the length of the transverse plate extending so as to completely fasten the upper air duct and the lower air duct.

Preferably, the lengths of the top plate and the side plates extending in the front-rear direction are consistent with the lengths of the transverse plates extending so as to completely fasten and connect the upper air pipe and the lower air pipe.

Preferably, the top plate is provided with a screw hole matched with the screw rod, and when the screw rod downwards compresses the fastening plate, the frame moves upwards until the clamping edge clamps the transverse plate, so that the transverse plate is fixed between the fastening plate and the clamping edge.

Preferably, the screw and the nut are provided with two groups, which are respectively positioned at the front end and the rear end of the top plate.

The utility model has the beneficial effects that:

the upper curled edge and the lower curled edge of the building ventilating duct connecting joint are connected through the cutting component, when the upper curled edge and the lower curled edge are inserted, the distance between the upper air pipe and the transverse plate is larger than the thickness of the clamping edge, the clamping edge is convenient to insert into the upper curled edge and the lower curled edge, and then the fastening plate is used for fastening _。 The operation is simple and quick, the construction speed is high, and the cutting is not required to be knocked into the curled edge for a long time.

Drawings

FIG. 1 is a schematic view showing the overall structure of a connecting joint for a building ventilation duct in example 1;

FIG. 2 is a schematic side view of the structure of the joint frame and the crimp fitting of the building ventilation duct in example 1;

fig. 3 is a schematic front view of the joint frame and hemmed fitting structure of the building ventilation duct in embodiment 1.

In the figure: 100. an upper air pipe; 110. an upper hemming; 200. a lower air pipe; 210. a lower hemming; 300. a vertical plate; 400. a cross plate; 500. a frame; 510. an avoidance channel; 520. a clamping edge; 530. a top plate; 540. a side plate; 600. a fastening assembly; 610. a fastening plate; 620. a screw; 630. a nut; 700. and a fastening seat.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Embodiments of the building ventilation duct connection joint of the present utility model are shown in fig. 1-3.

Example 1

The upper air duct 100 and the lower air duct 200 of the present embodiment are rectangular air ducts, and the insert type connector is suitable for rectangular air ducts. The building ventilation pipeline connecting joint comprises an upper curled edge 110 of an upper air pipe and a lower curled edge 210 of a lower air pipe, wherein the upper curled edge and the lower curled edge are of L-shaped structures, the upper curled edge and the lower curled edge comprise a vertical plate 300 extending in the up-down direction and a transverse plate 400 extending in the left-right direction, the vertical plate is connected with the upper curled edge or the lower curled edge, and the transverse plate is perpendicular to the vertical plate.

The upper curled edge and the lower curled edge are connected through an inserting strip part, the inserting strip part comprises a square frame 500 for enclosing the upper curled edge and the lower curled edge, an avoidance channel 510 for avoiding a vertical plate of the upper curled edge and the lower curled edge is arranged on the frame 500, and two sides of the avoidance channel are clamping edges 520 of the frame. The distance between the cross plate 400 and the upper or lower duct is greater than the thickness of the engaging edge 520 that mates with it so that the cutting member has a surplus space to insert between the cross plate and the upper or lower duct.

The frame 500 includes a top plate 530, side plates 540 disposed on both sides of the top plate, and the engaging edge 520 fixed to the lower end of the side plates 540. The clamping edge is parallel to the top plate and perpendicular to the side plate. A fastening assembly 600 for tightening the slip assembly against the cross plate is provided within the frame 500. The fastening assembly 600 includes a fastening plate 610 press-fitted with the cross plate, a screw 620 fixed to the fastening plate, and a nut 630 for locking the screw, the screw 620 passing through the top plate and extending above the cross plate, the nut 630 being located above the top plate and threaded with the screw. The screw 620 and the nut are provided with two groups, which are respectively positioned at the front end and the rear end of the top plate, so as to improve the stability of the whole structure.

The fastening plate 610 slides up and down in the frame, and the width of the fastening plate 610 in the left-right direction is greater than the distance between the two clamping edges, so that the fastening plate is clamped above the two clamping edges, and the clamping edges 520 limit the fastening plate not to slide down out of the frame.

The lower end of the screw 620 is provided with a fastening seat 700 which is in press fit with the fastening plate so as to increase the fit area of the screw and the fastening plate. The screw hole matched with the screw rod is formed in the top plate, the screw rod downwards compresses the fastening plate, and the frame moves upwards until the clamping edge clamps the transverse plate, so that the transverse plate is fixed between the fastening plate and the clamping edge.

The fastening plate 610 extends in the front-rear direction by a length consistent with the length of the cross plate to completely fasten the upper duct and the lower duct. The length of the extending direction of the top plate and the side plate is consistent with the length of the extending direction of the transverse plate so as to completely fasten and connect the upper air pipe and the lower air pipe.

Example 2

The construction ventilation duct connection joint described in this embodiment is substantially identical in structure to embodiment 1, but differs from embodiment 1 in that: the screw rod and the nut are provided with three groups which are respectively positioned at the front end, the rear end and the middle position of the top plate.

The utility model relates to a building ventilating duct connecting joint, which comprises the following specific use methods:

with last tuber pipe and lower tuber pipe alignment, later insert the frame from last turn-up and the one end of turn-up down, the fastening plate is located between diaphragm and the roof this moment, and the fastening plate is not fastened, and the space between diaphragm and last tuber pipe, the lower tuber pipe is great, and the block edge of being convenient for is pegged graft and is gone into. After the insertion is completed, the screw is screwed, and the clamping edge and the fastening plate clamp the transverse plate in the middle so as to fasten the upper curled edge and the lower curled edge together. The operation is simple and quick, the construction speed is high, and the cutting is not required to be knocked into the curled edge for a long time.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims

1. The utility model provides a building air pipe attach fitting, includes the upper hemming of tuber pipe, the lower hemming of lower tuber pipe, its characterized in that: the upper curled edge and the lower curled edge are of L-shaped structures, the upper curled edge and the lower curled edge comprise vertical plates extending in the up-down direction and transverse plates extending in the left-right direction, the vertical plates are connected with the upper curled edge or the lower curled edge, and the transverse plates are perpendicular to the vertical plates; the upper curled edge and the lower curled edge are connected through an inserting part, the inserting part comprises a frame for enclosing the upper curled edge and the lower curled edge, an avoidance channel for avoiding a vertical plate of the upper curled edge and the lower curled edge is arranged on the frame, and two sides of the avoidance channel are clamping edges of the frame; the distance between the transverse plate and the upper air pipe or the lower air pipe is larger than the thickness of the clamping edge matched with the transverse plate, so that the cutting part can be conveniently inserted between the transverse plate and the upper air pipe or the lower air pipe with surplus space; a fastening assembly for tightly pushing the cutting assembly against the transverse plate is arranged in the frame.

2. The building ventilation duct connection fitting of claim 1, wherein: the frame comprises a top plate, side plates positioned on two sides of the top plate and the clamping edges, the clamping edges are positioned at the lower ends of the side plates, the fastening assembly comprises a fastening plate in pressing fit with the transverse plate, a screw rod fixed on the fastening plate and a nut used for locking the screw rod, the screw rod penetrates through the top plate and extends to the upper side of the transverse plate, and the nut is positioned above the top plate and connected with the screw rod in a threaded manner.

3. The building ventilation duct connection fitting of claim 2, wherein: the fastening plate slides up and down in the frame, and the width of the fastening plate in the left-right direction is greater than the distance between the two clamping edges, so that the fastening plate is clamped above the two clamping edges, and the clamping edges limit that the fastening plate does not slip out of the frame downwards.

4. The building ventilation duct connection fitting of claim 2, wherein: the lower end of the screw rod is provided with a fastening seat which is in pressing fit with the fastening plate so as to enlarge the fit area of the screw rod and the fastening plate.

5. The building ventilation duct connection fitting of claim 2, wherein: the length of the extending direction of the fastening plate is consistent with the length of the extending direction of the transverse plate so as to completely fasten and connect the upper air pipe and the lower air pipe.

6. The building ventilation duct connection fitting of claim 2, wherein: the length of the extending direction of the top plate and the side plate is consistent with the length of the extending direction of the transverse plate so as to completely fasten and connect the upper air pipe and the lower air pipe.

7. The building ventilation duct connection fitting of claim 2, wherein: the screw hole matched with the screw rod is formed in the top plate, the screw rod downwards compresses the fastening plate, and the frame moves upwards until the clamping edge clamps the transverse plate, so that the transverse plate is fixed between the fastening plate and the clamping edge.

8. The building ventilation duct connection fitting of claim 2, wherein: the screw and the nut are provided with two groups, which are respectively positioned at the front end and the rear end of the top plate.