CN209876185U - Special wind gap end connection structure of new trend - Google Patents

Abstract

The utility model relates to the technical field of pipeline systems, and provides a special fresh air port end connection structure for solving the problems of air leakage, complex installation, poor flexibility and environmental pollution of the traditional special fresh air port end connection structure, which comprises a fresh air port, a connection pipe section and an end connection piece, wherein two ends of the connection pipe section are respectively fixedly communicated with the fresh air port and the end connection piece; the length and the bending angle of the connecting pipe section can be adjusted, the tail end connecting piece comprises an inserting part and a screwing part, and the screwing part is in threaded connection with the connecting pipe section. The utility model discloses the leakproofness is good, the installation is convenient, can freely stretch out and draw back, and the cavity of secondary static pressure is formed to minizone redirecting, green, constitutes secondary static pressure system, and the internal diameter of connecting pipe section is less, and the wind speed is very fast during the ventilation, has lower wind speed simultaneously concurrently, and the effect of noise abatement solves end-to-end connection's leakproofness, integrality to and the feature of environmental protection.

Description

Special wind gap end connection structure of new trend

Technical Field

The utility model relates to a pipe-line system technical field especially relates to a special wind gap end-to-end connection structure of new trend.

Background

The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system and is divided into a pipeline type fresh air system and a pipeline-free fresh air system. The special fresh air port, namely the air outlet of the fresh air system, is used for conveying fresh air conveyed by the ventilation pipeline into a room.

At present, the special wind gap end-to-end connection of new trend often uses PVC aluminium foil composite hose to connect, and aluminium foil sticky tape winding staple bolt is fixed, can have the air leakage, and the installation is complicated to and not environmental protection (PVC aluminium foil composite pipe uses a large amount of glue to glue and even makes) scheduling problem. In addition, the existing air port terminal connection structure special for fresh air is single, the flexibility is not enough, the multi-angle transformation is not available, and the diversification of modern home decoration styles is difficult to satisfy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome special wind gap end-to-end connection structure of traditional new trend and have the air leakage, the problem of installation complicacy, the flexibility ratio is poor, not environmental protection provides a leakproofness good, the installation is convenient, can freely stretch out and draw back, the special wind gap end-to-end connection structure of new trend of minizone redirecting, green.

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

the tail end connecting structure of the fresh air special air port comprises a fresh air port, a connecting pipe section and a tail end connecting piece, wherein two ends of the connecting pipe section are fixedly communicated with the fresh air port and the tail end connecting piece respectively; the length and the bending angle of the connecting pipe section can be adjusted, the tail end connecting piece comprises an inserting part and a screwing part, and the screwing part is in threaded connection with the connecting pipe section.

The connecting pipe section of the utility model can be selected from PU hose and bellows, can be stretched, bent and cut, can be adjusted in length and bending angle, can be freely stretched and contracted, can change direction in a small range, and solves the problems of rigid installation and inflexibility of imported products; the two ends of the connecting pipe section are respectively fixedly communicated with the fresh air port and the tail end connecting piece in a screwing mode through flanges. The end connector interface is convenient and fast to install by adopting a quick plug-in type connector, the limiting through hole and the pipeline to be connected can be quickly installed, and the quick plug-in type connector interface has installation portability, timeliness and sealing performance. The size of the interface of the end connecting piece is 104mm, the wind speed of the wind port can be reduced, and the comfort level is improved. The utility model discloses a special wind gap end-to-end connection structure of new trend forms the cavity of secondary static pressure, constitutes secondary static pressure system, and the internal diameter of connecting pipe section is less, and the wind speed is very fast during the ventilation, and this device has lower wind speed simultaneously concurrently, and the effect of noise reduction solves end-to-end connection's leakproofness, integrality to and the feature of environmental protection.

Preferably, the insertion part and the threaded part are of a coaxial tubular structure, and the pipe wall of the insertion part is provided with a limiting through hole.

Preferably, the pipe diameter of the insertion part is larger than that of the screw connection part.

Preferably, a first rounded corner is arranged at the bending position of the inserting part and the screwing part, and the first rounded corner is an R2 bending corner (radius is 2 mm).

Preferably, the pipe diameter of the insertion part is smaller than that of the threaded part.

Preferably, the inserting part is communicated with the screw joint part through a transition pipe section, and the pipe diameter of the transition pipe section is gradually increased from small to large; the insertion part, the screwed part and the transition pipe section are of a homogeneous and integrated structure. The pipe diameter of the transition pipe section is gradually increased from small to large, so that the ventilation noise is further reduced, the homogeneous integrated structure is convenient to install, and the production cost is low.

Preferably, a second fillet (9) is arranged at the joint of the transition pipe section, the insertion part and the threaded part; the second rounding angle is a 135-degree R2 bending angle, the air flow strength of the design is weaker, and the ventilation noise is further reduced.

Preferably, the connection end face of the transition pipe section and the screwed part is provided with a limiting boss, so that the sealing performance and the safety of the connection end are improved.

Preferably, the limiting boss is provided with a third fillet; the third fillet is the R5 angle of bending (radius 5 mm).

Preferably, the terminal connecting piece is a dustproof joint which is of an annular structure, the side surface of the pipe wall of the dustproof joint is hollow to form an inserting part, and the inner wall of one end of the dustproof joint, which is far away from the inserting part, is provided with a screwed part in threaded connection with the connecting pipe section; and a fourth fillet is arranged at the screwed end of the dustproof joint and the connecting pipe section, and the fourth fillet is an R2 bending angle (radius 2 mm).

Therefore, the utility model discloses following beneficial effect has: the leakproofness is good, the installation is convenient, can freely stretch out and draw back, and the cavity of secondary static pressure is formed to minizone redirecting, green, constitutes secondary static pressure system, and the internal diameter of connecting the pipe section is less, and the wind speed is very fast during the ventilation, has lower wind speed simultaneously concurrently, and the effect of noise abatement solves end-to-end connection's leakproofness, integrality to and the feature of environmental protection.

Drawings

FIG. 1 is a sectional view of the structure of example 1.

Fig. 2 is a schematic perspective view of the end connector of embodiment 1.

Fig. 3 is a cross-sectional view of fig. 2.

Fig. 4 is a schematic perspective view of the end connector of embodiment 2.

Fig. 5 is a cross-sectional view of fig. 4.

Fig. 6 is a schematic perspective view of the dust joint of embodiment 3.

Fig. 7 is a cross-sectional view of fig. 6.

In the figure: fresh air inlet 1, connecting pipe section 2, end-to-end connection 3, spacing through-hole 4, grafting portion 5, spiro union portion 6, first radius angle 7, transition pipeline section 8, second radius angle 9, spacing boss 10, third radius angle 11, dust joint 12, fourth radius angle 13, air outlet base 14, porous scattered flow lid 15, external screw thread 16, internal thread 17.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings.

Example 1

As shown in fig. 1 and 2, the air port end connection structure special for fresh air comprises a fresh air port 1, a connection pipe section 2 and an end connection piece 3, wherein the connection pipe section is a PU hose with adjustable length and bending angle, the end connection piece comprises a plug part 5 and a screw joint part 6 with external threads 16, and the screw joint part is in threaded connection with the connection pipe section. The pipe diameter of grafting portion is greater than the pipe diameter of spiro union portion, and the pipe wall of end-to-end connection is equipped with spacing through-hole of rectangle 4. The bending part of the inserting part and the screwing part is provided with a first fillet 7 which is an R2 bending angle (see figure 3).

The fresh air port is a multifunctional fresh air port and comprises an air outlet base 14 and a porous diffusion cover 15, wherein the inner diameter of the air outlet base is gradually increased from an inlet to an outlet, the inner diameter of the air outlet base is of a horn-mouth tubular structure, and the surface of the porous diffusion cover with annular bosses is arranged on the outer extension of the outlet end of the air outlet base and is fully distributed with hollow round through holes which are distributed in a divergent mode from the center of the diffusion air outlet cover to the periphery and have gradually decreased; six second inversed buckles are distributed on the outer ring of the porous flow dispersing cover, and the air outlet base and the porous flow dispersing cover are connected and fixed through the buckles of the annular bosses and the second inversed buckles; the outer surface of the middle part of the air outlet base is provided with a first external thread, a limiting boss is arranged at the position, close to the outlet, of the first external thread, a triangular bracket is arranged in the inlet end of the air outlet base, and a filter screen mounting convex point is arranged on the inner surface of the air outlet base, so that the filter screen is convenient to mount; the outer surface of the inlet end of the air outlet base is provided with a sealing groove, and a T-shaped sealing ring is installed in the sealing groove. The outer surface of the air outlet base is provided with an elastic piece accommodating groove, a down lamp clamp spring is installed in the elastic piece accommodating groove, and the multifunctional fresh air port can be firmly buckled in the connecting pipe section by utilizing the elastic reaction force of the down lamp clamp spring.

The installation method of the embodiment comprises the following steps: and (3) fixedly communicating the two ends of the connecting pipe section with the fresh air port and the screwed part of the tail end connecting piece respectively to finish the assembly, and inserting the inserting part into the position of the tail end pipe section to be installed. If the direction of the fresh air port needs to be adjusted, the bending angle of the PU hose only needs to be adjusted.

Example 2

The embodiment 2 is different from the embodiment 1 in that the connecting pipe section is a corrugated pipe with adjustable length and bending angle, the structure of the end connecting piece is different, as shown in fig. 4 and 5, the end connecting piece is a homogeneous integral structure composed of an inserting part 5, a screwed part 6 with external threads 16 and a transition pipe section 8, the pipe diameter of the inserting part is smaller than that of the screwed part, the inserting part is communicated with the screwed part through the transition pipe section, and the pipe diameter of the transition pipe section is gradually increased from small to large; a second fillet 9 is arranged at the joint of the transition pipe section, the insertion part and the screwed part; the second fillet is 135R 2 angle of bending, and the terminal surface of being connected of transition pipe section and spiro union portion is equipped with spacing boss 10, and spacing boss is equipped with third fillet 11, and the third fillet is R5 angle of bending. The rest of the structure is completely the same as that of embodiment 1, and is not described again here.

The installation method of the embodiment comprises the following steps: and (3) fixedly communicating the two ends of the connecting pipe section with the fresh air port and the screwed part of the tail end connecting piece respectively to finish the assembly, and inserting the inserting part into the position of the tail end pipe section to be installed. If the direction of the fresh air port needs to be adjusted, the bending angle of the corrugated pipe is only needed to be adjusted.

Example 3

The difference between the embodiment 3 and the embodiment 1 is that the terminal connecting piece is a dustproof joint with a circular ring-shaped structure as shown in fig. 6 and 7, the side surface of the pipe wall of the dustproof joint is hollow to form an insertion part 5, and the inner wall of one end of the dustproof joint, which is far away from the insertion part, is provided with a screw joint part 6 which is in threaded connection with the connecting pipe section and is provided with internal threads 17; the screw connection end of the dust-proof joint and the connection pipe section is provided with a fourth fillet 13, the fourth fillet is an R2 bending angle, and other structures are completely the same as those in embodiment 1 and are not described herein again.

The installation method of the embodiment comprises the following steps: and (3) fixedly communicating the two ends of the connecting pipe section with the fresh air port and the screwed part of the dustproof joint respectively to finish the assembly, and inserting the inserting part into the position of the tail end pipe section to be installed. If the direction of the fresh air port needs to be adjusted, the bending angle of the PU hose only needs to be adjusted.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. The air port end connecting structure special for fresh air is characterized by comprising a fresh air port (1), a connecting pipe section (2) and an end connecting piece (3), wherein two ends of the connecting pipe section are respectively fixedly communicated with the fresh air port and the end connecting piece; the length and the bending angle of the connecting pipe section are adjustable, the tail end connecting piece comprises an inserting part (5) and a screwing part (6), and the screwing part is in threaded connection with the connecting pipe section.

2. The tail end connecting structure of the air port special for the fresh air as claimed in claim 1, wherein the inserting part and the screw part are of a coaxial tubular structure, and a limiting through hole (4) is formed in the tube wall of the inserting part.

3. The connection structure of the tail end of the fresh air tuyere of claim 1, wherein a pipe diameter of the insertion part is larger than a pipe diameter of the screw part.

4. The tail end connecting structure of the air inlet special for the fresh air as claimed in claim 3, wherein a first rounded corner (7) is arranged at a bending part of the inserting part and the screwing part, and the first rounded corner is an R2 bending corner.

5. The connection structure of the tail end of the fresh air tuyere of claim 1, wherein a pipe diameter of the insertion part is smaller than a pipe diameter of the screw part.

6. The special fresh air tuyere tail end connecting structure of claim 5, wherein the inserting part is communicated with the screw joint part through a transition pipe section (8), and the pipe diameter of the transition pipe section is gradually increased from small to large; the insertion part, the screwed part and the transition pipe section are of a homogeneous and integrated structure.

7. The connection structure of the tail end of the fresh air tuyere special for the fresh air as claimed in claim 6, wherein a second rounded corner (9) is arranged at the connection part of the transition pipe section, the insertion part and the screw connection part; the second fillet is a bending angle of R2 of 135 degrees.

8. The special fresh air tuyere terminal connection structure of claim 6, wherein a limit boss (10) is provided on the connection end surface of the transition pipe section and the screw connection portion.

9. The special fresh air inlet tail end connecting structure of claim 8, wherein the limiting boss is provided with a third fillet (11); the third rounding off angle is an R5 bending angle.

10. The wind gap end connecting structure special for fresh air according to claim 1, characterized in that the end connecting piece is a dustproof joint (12) which is of a circular ring structure, the side surface of the pipe wall of the dustproof joint is hollow to form an insertion part, and the inner wall of one end of the dustproof joint far away from the insertion part is provided with a screwed part in threaded connection with the connecting pipe section; and a fourth fillet (13) is arranged at the screwed end of the dustproof joint and the connecting pipe section, and the fourth fillet is an R2 bending angle.