CN220582683U

CN220582683U - Air treatment channel structure of air treatment unit

Info

Publication number: CN220582683U
Application number: CN202322195157.1U
Authority: CN
Inventors: 林勇强; 唐秋明
Original assignee: Licheng Construction Engineering Shanghai Co ltd
Current assignee: Licheng Construction Engineering Shanghai Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-03-12
Anticipated expiration: 2033-08-15

Abstract

The utility model relates to the technical field of air treatment, and provides an air treatment channel structure of an air treatment unit, which comprises a hose, an air inlet pipeline and an air outlet pipeline, wherein inner lining rings and hoses sleeved on the outer sides of the inner lining rings are sleeved in ports at two ends of the hose, and a plurality of connecting pieces are annularly distributed on the outer sides of the air inlet pipeline; according to the utility model, the connecting piece presses the lining ring to tightly press the backing ring, so that the hose, the air inlet pipeline and the air outlet pipeline are fixedly butted and sealed, the position of the lining ring is limited through the step groove, and the problem that the locking strength of the hose is difficult to control in the prior art is solved.

Description

Air treatment channel structure of air treatment unit

Technical Field

The utility model relates to the technical field of air treatment, in particular to an air treatment channel structure of an air treatment unit.

Background

The air handling unit is a centralized air handling system which originates from a centralized installation of equipment and distributes heated air through ductwork to a forced hot air heating and ventilation system. When the air treatment unit operates, normal wind or cold and hot wind is required to be sent into a designated area through the air treatment channel, so that ventilation of air is realized.

Because of the large number of pipelines in the special environment of the factory building, the pipelines are densely arranged and complicated, and in some bent pipelines, hoses are required to be arranged, and the butt joint tightness of the pipelines and the hoses is critical to an air treatment channel.

The existing hose connection is usually connected in a locking manner, for example, a hose connection fitting is disclosed in application number 201621253030.4, and the hose connection fitting can be connected with a hose in a sealing manner. The utility model comprises a connecting body, wherein an annular groove is arranged on the outer side of the connecting body, a convex ring is arranged on the inner side of a locking buckle, and the convex ring is matched with the annular groove.

However, the hose connection fittings described above still have the following problems: the mode locking dynamics that above-mentioned hose connection accessory adopted the hasp to realize hose connection is difficult to control and exists great limitation, when the hasp locking dynamics is great, causes the hose deformation degree to increase easily, and the hose is difficult to disassemble after the weathering under long-term deformation state, and when the hasp locking dynamics is not enough, causes the leakproofness that the hose was docked easily not enough, causes the gas leakage condition easily when the internal air pressure of pipeline increases, influences the use.

Disclosure of Invention

The utility model provides an air treatment channel structure of an air treatment unit, which solves the problem that the locking force of a hose is difficult to control in the prior art.

The technical scheme of the utility model is as follows: the utility model provides an air treatment channel structure of air handling unit, includes hose, air inlet pipeline and air-out pipeline, all overlap in the both ends port of hose and be equipped with the lining ring and wear the hose in the lining ring outside, the outside annular distribution of air inlet pipeline has a plurality of connecting piece, the connecting piece compresses tightly the lining ring, and makes hose, air inlet pipeline and air-out pipeline realize fixed butt joint and seal.

Preferably, the end part of the hose is provided with a first boss and a second boss positioned at the inner side of the port, and the first boss and the second boss are arranged at intervals to form an annular cavity for accommodating the backing ring.

Preferably, the end face of the first boss is provided with a first convex ring and a second convex ring which are concentrically distributed, the end part of the air inlet pipeline is fixed with a flange, and the end face of the flange is provided with an annular extrusion part between the first convex ring and the second convex ring.

Preferably, the inner ring opening of the first boss is provided with a plurality of first through openings which are distributed radially, and the inner ring opening of the backing ring is provided with second through openings which are distributed corresponding to the first through openings.

Preferably, a plurality of fixing pieces capable of penetrating through the first through holes are fixed on the outer side of the lining ring.

Preferably, a step groove is formed in the inner side of the end portion of the air inlet pipeline, and the end portion of the lining ring is arranged in the step groove.

Preferably, the connecting piece comprises a screw rod and a nut in threaded fit with the screw rod, and the screw rod is fixed on the fixing piece.

Preferably, the annular extrusion part is provided with a screw hole for the screw to pass through.

The beneficial effects of the utility model are as follows:

according to the utility model, the connecting piece presses the lining ring to tightly press the backing ring, so that the hose, the air inlet pipeline and the air outlet pipeline are fixedly butted and sealed, the position of the lining ring is limited through the step groove, and the problem that the locking strength of the hose is difficult to control in the prior art is solved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of an air treatment channel of an air treatment unit according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an air treatment channel of an air treatment unit according to the present utility model;

FIG. 3 is a schematic diagram illustrating an air treatment channel structure of an air treatment unit according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A;

FIG. 5 is a schematic view of a hose structure according to the present utility model;

FIG. 6 is a schematic diagram of a backing ring according to the present utility model;

FIG. 7 is a schematic view of a liner ring according to the present utility model;

FIG. 8 is a schematic diagram of a flange structure according to the present utility model;

in the figure: 1. a hose; 11. a first boss; 111. a first collar; 112. a second convex ring; 113. a first port; 12. a second boss; 2. an air inlet pipeline; 21. a flange plate; 211. an annular extrusion part; 212. a screw hole; 213. a step groove; 3. an air outlet pipeline; 4. a connecting piece; 41. a screw; 42. a nut; 5. a backing ring; 51. a second port; 6. a liner ring; 61. and a fixing piece.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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, 2 and 3, the present utility model provides a technical solution: the utility model provides an air treatment channel structure of air handling unit, includes hose 1, air inlet pipeline 2 and air-out pipeline 3, all overlaps in the both ends port of hose 1 and is equipped with lining ring 6 and wears to overlap hose 1 in the lining ring 6 outside, and the outside annular of air inlet pipeline 2 distributes and has a plurality of connecting piece 4, and connecting piece 4 compresses tightly lining ring 6 and packing ring 5, and makes hose 1, air inlet pipeline 2 and air-out pipeline 3 realize fixed butt joint and seal.

Referring to fig. 2 and 4, the end of the hose 1 is provided with a first boss 11 and a second boss 12 located at the inner side of the port, the first boss 11 and the second boss 12 are spaced to form an annular cavity for accommodating the backing ring 5, the inner diameter of the first boss 11 just can pass through the inner backing ring 6, and the inner diameter of the second boss 12 just can accommodate the inner backing ring 6 and the fixing piece 61 at the outer side of the inner backing ring 6.

Referring to fig. 4 and 5, the end surface of the first boss 11 is provided with a first convex ring 111 and a second convex ring 112 which are concentrically distributed, the end of the air inlet pipe 2 is fixed with a flange 21, the end surface of the flange 21 is provided with an annular extrusion part 211 between the first convex ring 111 and the second convex ring 112, the cross sections of the first convex ring 111 and the second convex ring 112 are splayed, the cross section of the annular extrusion part 211 is trapezoid, and the annular extrusion part can be just clamped between the first convex ring 111 and the second convex ring 112, so that the joint degree of the first convex ring 111, the second convex ring 112 and the annular extrusion part 211 is increased, and the sealing effect among the hose 1, the air inlet pipe 2 and the air outlet pipe 3 is improved.

Referring to fig. 5, 6 and 7, the inner ring opening of the first boss 11 is provided with a plurality of first through openings 113 distributed radially, the first through openings 113 are mainly used for the passing of the fixing pieces 61, the inner ring opening of the backing ring 5 is provided with second through openings 51 distributed corresponding to the first through openings 113, the second through openings 51 are mainly used for the passing of the screw 41, the outer side of the inner liner ring 6 is fixedly provided with a plurality of fixing pieces 61 capable of passing through the first through openings 113, the inner diameter of the backing ring 5 is smaller than the inner diameter of the second boss 12, and the inner diameter of the second boss 12 just can accommodate the fixing pieces 61, so that a part of the backing ring 5 is exposed under the fixing pieces 61, the backing ring 5 is conveniently pressed by the fixing pieces 61, the first boss 11 of the hose 1 is pressed by the backing ring 5, and sealing connection is realized.

Referring to fig. 2, 4 and 8, the inner side of the end of the air intake pipe 2 is provided with a step groove 213, the end of the inner liner ring 6 is disposed in the step groove 213, the position of the inner liner ring 6 is limited, and the occurrence of cracks in the structure due to excessive tightening of bolts is prevented, the connecting piece 4 comprises a screw 41 and a nut 42 in threaded engagement with the screw 41, the screw 41 is fixed on the fixing piece 61, and a screw hole 212 for the screw 41 to penetrate is formed in the annular extrusion portion 211.

The working principle and the using flow of the utility model are as follows: when the hose 1, the air inlet pipeline 2 and the air outlet pipeline 3 are in butt joint, the fixing piece 61 of the inner lining ring 6 is firstly placed into the hose 1 opposite to the first through hole 113 on the end face of the hose 1, then the end part of the hose 1 is slightly extruded, and the hose 1 is made of rubber material and has certain elasticity, so that after the first boss 11 of the hose 1 is slightly deformed, the lining ring 5 can be placed into the annular cavities of the first boss 11 and the second boss 12 through the flat port of the first boss 11, and the screw 41 on the fixing piece 61 is led to pass through the second through hole 51 of the lining ring 5, and as the inner diameter of the lining ring 5 is smaller than the inner diameter of the second boss 12, the inner diameter of the second boss 12 just can be used for accommodating the fixing piece 61, therefore, part of the lining ring 5 is exposed under the fixing piece 61, at this time, the flange 21 can be abutted to the end face of the hose 1, the screw 41 passes through the screw hole 212 on the annular extrusion part 211, after the screw 41 is screwed and fixed by the nut 42, the cushion ring 5 can be pressed by the fixing piece 61, so that the first convex ring 111 and the second convex ring 112 on the end face of the first boss 11 are pressed and stuck to the surface of the annular extrusion part 211, further the fixed abutting joint and sealing of the hose 1, the air inlet pipeline 2 and the air outlet pipeline 3 are realized, the position of the inner lining ring 6 is limited by the step groove 213, and the phenomenon that cracks are caused in the structure due to overlarge screw bolt screwing is prevented.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides an air treatment channel structure of air handling unit, includes hose (1), air inlet pipeline (2) and air-out pipeline (3), its characterized in that, all overlap in the both ends port of hose (1) is equipped with lining ring (6) and wears to overlap hose (1) in lining ring (6) outside, the outside annular distribution of air inlet pipeline (2) has a plurality of connecting piece (4), connecting piece (4) compress tightly lining ring (6) backing ring (5), and make hose (1), air inlet pipeline (2) and air-out pipeline (3) realize fixed butt joint and seal.

2. An air treatment channel structure of an air treatment unit according to claim 1, characterized in that the end of the hose (1) is provided with a first boss (11) and a second boss (12) located inside the port, the first boss (11) and the second boss (12) being arranged at intervals to form an annular cavity for accommodating the grommet (5).

3. The air treatment channel structure of the air treatment unit according to claim 2, wherein the end face of the first boss (11) is provided with a first convex ring (111) and a second convex ring (112) which are concentrically distributed, the end part of the air inlet pipeline (2) is fixed with a flange plate (21), and the end face of the flange plate (21) is provided with an annular extrusion part (211) between the first convex ring (111) and the second convex ring (112).

4. An air treatment channel structure of an air treatment unit according to claim 3, wherein a plurality of first through holes (113) which are distributed radially are formed at the inner ring opening of the first boss (11), and second through holes (51) which are distributed corresponding to the first through holes (113) are formed at the inner ring opening of the backing ring (5).

5. Air treatment channel structure of an air treatment unit according to claim 4, characterized in that the outside of the inner lining ring (6) is fixed with a number of fixing pieces (61) which can pass through the first through opening (113).

6. Air treatment channel structure of an air treatment unit according to claim 1, characterized in that the inner side of the end of the air inlet pipe (2) is provided with a step groove (213), and the end of the inner lining ring (6) is placed in the step groove (213).

7. An air treatment tunnel structure of an air treatment unit according to claim 5, characterized in that the connection piece (4) comprises a screw (41) and a nut (42) in threaded engagement with the screw (41), the screw (41) being fixed to the fixing piece (61).

8. The air treatment channel structure of the air treatment unit according to claim 7, wherein the annular pressing portion (211) is provided with a screw hole (212) for the screw (41) to pass through.