CN220688276U

CN220688276U - Telescopic air duct

Info

Publication number: CN220688276U
Application number: CN202321970770.XU
Authority: CN
Inventors: 许伟; 李连军; 徐荣霞; 齐文杰; 白春荣
Original assignee: Yuxiang Zhiyuan Group Co ltd
Current assignee: Yuxiang Zhiyuan Group Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-03-29
Anticipated expiration: 2033-07-25

Abstract

The utility model discloses a telescopic air duct, which comprises an outer sleeve and an inner sleeve, wherein a flange I is fixedly arranged on one side of the outer sleeve, the inner sleeve is slidably arranged on the outer sleeve, one end, far away from the flange I, of the inner sleeve is fixedly connected with a telescopic sleeve, a flange II is arranged at one end of the telescopic sleeve, a fixing mechanism is fixedly arranged on the surface of the outer sleeve, a slot matched with the fixing mechanism is formed in the surface of the inner sleeve, and a connecting mechanism is symmetrically arranged on the flange II.

Description

Telescopic air duct

Technical Field

The utility model relates to the technical field of air pipes, in particular to a telescopic air pipe.

Background

Air ducts are important facilities for conveying air flow in ventilation and air conditioning systems, play an important role in air transportation, and at present, the air ducts are generally divided into two types, namely rigid air ducts and flexible air ducts. The air pipe adopted by the air conditioning system is generally made of metal pipes, the length of the air pipe is generally fixedly arranged, when the air conditioning system is actually assembled, the length of the air pipe is too long or too short due to factors such as measurement errors, so that secondary processing is needed, high-efficiency installation cannot be realized, the air pipe is low in installation efficiency, the use flexibility is poor, and certain material waste can be caused.

Disclosure of Invention

The utility model aims to overcome the defects and provide a telescopic air duct.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a scalable tuber pipe, includes outer sleeve pipe and inlayer sleeve pipe, outer sleeve pipe one side is fixed to be equipped with flange one, the interior inlayer sleeve pipe that is equipped with of outer sleeve pipe, the one end fixed connection that keeps away from flange one in the inlayer sleeve pipe is equipped with telescopic tube, telescopic tube one end is equipped with flange two, outer sleeve pipe fixed surface is equipped with fixed establishment, inlayer sleeve pipe surface is equipped with the slot of cooperation fixed establishment, the symmetry is equipped with coupling mechanism on the flange two.

As an improvement: the fixing mechanism comprises a first inserting rod and a first telescopic spring, a fixed block is arranged on the surface of the outer sleeve, the inserting rod is inserted and arranged in the fixed block, the inserting rod consists of a thick rod and a thin rod, the first telescopic spring is sleeved on the thin rod below the thick rod and fixedly connected with the outer sleeve, the outer sleeve and the inner sleeve are conveniently and fixedly adjusted in position through the design, deflection is avoided, and the stability of connection is guaranteed.

As an improvement: coupling mechanism includes the elastic plate, elastic plate one end is equipped with the arch, be equipped with the draw-in groove in the inlayer sleeve pipe, be equipped with the pressure pole in the draw-in groove, it is equipped with the accessory plate to press the pole both ends, be equipped with extension spring two on the accessory plate and link to each other with the inlayer sleeve pipe, it stretches out the inlayer sleeve pipe to press pole one end, and this design is convenient for use in the place that needs buckling connection, has increased the flexibility of use of tuber pipe for the installation is more convenient.

As an improvement: the inner sleeve is characterized in that sliding rods are arranged at two ends of the inner sleeve, sliding grooves matched with the sliding rods are arranged in the outer sleeve, the inner sleeve is limited in the outer sleeve, rotation of the inner sleeve is avoided, and normal use of the fixing mechanism is guaranteed.

As an improvement: and one side of the outer sleeve close to the first flange is provided with a first sealing ring, one end of the inner sleeve is provided with a second sealing ring, and one end, far away from the second flange, of the telescopic sleeve is provided with a third sealing ring, so that the tightness of connection is improved, and the condition of air leakage is avoided.

As an improvement: the outer sleeve and the inner sleeve are made of aluminum alloy materials, the telescopic sleeve is made of telescopic PVC materials, the aluminum alloy materials are more corrosion-resistant, the service life of the air pipe is prolonged, and the telescopic sleeve is convenient to bend at the corner connecting position due to the PVC materials.

Compared with the prior art, the utility model has the advantages that: according to the telescopic air pipe, the inner sleeve which can slide is arranged inside the telescopic air pipe, so that the length and the size of the air pipe can be conveniently adjusted, the fixed mechanism is arranged at the same time, the adjusted length can be conveniently fixed and locked, the offset of the fixed mechanism is avoided, the use stability is ensured, the built-in sealing rings ensure the tightness of air pipe connection, the air leakage condition is avoided, the built-in telescopic sleeve can be connected at the corner bending position, unnecessary parts are not needed, the use flexibility is high, and the telescopic air pipe is convenient and quick to install and high in efficiency.

Drawings

Fig. 1 is a schematic structural view of a telescopic duct according to the present utility model.

Fig. 2 is a schematic view of a partial a enlarged structure of a telescopic duct according to the present utility model.

Fig. 3 is a schematic view of a part B enlarged structure of a telescopic duct according to the present utility model.

Fig. 4 is a schematic view of a sectional structure of a telescopic air duct according to the present utility model at a position a.

As shown in the figure: 1. an outer sleeve; 2. an inner sleeve; 3. a telescoping tube; 4. a first flange; 5. a second flange; 6. a slot; 7. a rod; 8. a fixed block; 9. a first telescopic spring; 10. thick rods; 11. a thin rod; 12. an elastic plate; 13. a protrusion; 14. a clamping groove; 15. pressing a pressing rod; 16. an auxiliary plate; 17. a second telescopic spring; 18. a slide bar; 19. a chute; 20. a first sealing ring; 21. a second sealing ring; 22. and a sealing ring III.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

In order to make the contents of the present utility model more clearly understood, 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.

The utility model provides a combine the attached hereto to show in fig. 1, fig. 4, a scalable tuber pipe, including outer sleeve pipe 1 and inlayer sleeve pipe 2, outer sleeve pipe 1 one side is fixed to be equipped with flange one 4, the intraductal one end fixed connection that keeps away from flange one 4 of inlayer sleeve pipe 2 is equipped with telescopic tube 3, telescopic tube 3 one end is equipped with flange two 5, outer sleeve pipe 1 fixed surface is equipped with fixed establishment, inlayer sleeve pipe 2 surface is equipped with cooperation fixed establishment's slot 6, the symmetry is equipped with coupling mechanism on flange two 5, inlayer sleeve pipe 2 both ends are equipped with slide bar 18, be equipped with the spout 19 of cooperation slide bar 18 in the outer sleeve pipe 1, this design is used for restricting inlayer sleeve pipe 2 in the position of outer sleeve pipe 1, avoids inlayer sleeve pipe 2 position to take place to rotate, has guaranteed fixed establishment's normal use, be close to outer sleeve pipe 1 one side of flange one 4 is equipped with sealing washer one 20, inlayer sleeve pipe 2 one end is equipped with sealing washer two 21, telescopic tube 3 is last keeping away from flange two 5's one end is equipped with sealing washer three 22, has improved the leakproofness that connects, produce the outer sleeve pipe 1 and the aluminium alloy 3 has been made into the telescopic tube of life-span-extension material for the aluminium alloy 3, the life-span-extension material is the telescopic tube 3, the life-span of life-span is the extension material.

Referring to fig. 2, a telescopic air duct, the fixing mechanism comprises a plug rod 7 and a first telescopic spring 9, a fixed block 8 is fixed on the surface of the outer sleeve 1, the plug rod 7 is inserted and arranged in the fixed block 8, the plug rod 7 is composed of a thick rod 10 and a thin rod 11, the first telescopic spring 9 is sleeved on the thin rod 11 below the thick rod 10, the first telescopic spring 9 is fixedly connected with the outer sleeve 1, the position of the outer sleeve 1 and the position of the inner sleeve 2 after the design is convenient for fixing and adjusting are avoided from shifting, and the stability of connection is ensured.

Referring to fig. 3, a telescopic air duct, the connecting mechanism comprises an elastic plate 12, one end of the elastic plate 12 is provided with a protrusion 13, a clamping groove 14 is arranged in the inner layer sleeve 2, a pressing rod 15 is arranged in the clamping groove 14, two ends of the pressing rod 15 are provided with auxiliary plates 16, two telescopic springs 17 are arranged on the auxiliary plates 16 and are connected with the inner layer sleeve 2, one end of the pressing rod 15 extends out of the inner layer sleeve 2, and the telescopic air duct is convenient to use in places where bending connection is needed, so that the use flexibility of the air duct is increased, and the installation is more convenient.

The working principle of the utility model is as follows: when the air pipe is used, the first air pipes are connected and assembled with the second air pipes through the first flange, the first sealing ring seals the air pipes which are connected adjacently, the second sealing ring seals the outer sleeve and the inner sleeve, the third sealing ring seals the inner sleeve and the telescopic sleeve, the inserting rod is lifted upwards according to the length of the air pipe required by the installation construction site, the inserting rod is pulled out of the slot, then the inserting rod is loosened after the inner sleeve slides outwards to the required position along the slot, the inserting rod is inserted into the slot to fix the locking position under the action of the first telescopic spring, when the part requiring bending connection is met, the pressing rod is pressed downwards, the pressing rod applies force to the protrusion, and therefore the elastic plate can be taken out of the telescopic sleeve along the clamping slot to be connected.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a scalable tuber pipe, includes outer sleeve pipe (1) and inlayer sleeve pipe (2), outer sleeve pipe (1) one side is fixed to be equipped with flange one (4), its characterized in that: the inner sleeve is characterized in that an inner sleeve (2) is arranged in the outer sleeve (1) in a sliding manner, one end, far away from the first flange (4), of the inner sleeve (2) is fixedly connected with a telescopic sleeve (3), one end of the telescopic sleeve (3) is provided with a second flange (5), a fixing mechanism is fixedly arranged on the surface of the outer sleeve (1), a slot (6) matched with the fixing mechanism is formed in the surface of the inner sleeve (2), and connecting mechanisms are symmetrically arranged on the second flange (5).

2. A telescopic air duct according to claim 1, wherein: the fixing mechanism comprises a inserting rod (7) and a first telescopic spring (9), a fixed block (8) is arranged on the surface of the outer sleeve (1), the inserting rod (7) is inserted into the fixed block (8), the inserting rod (7) consists of a thick rod (10) and a thin rod (11), the first telescopic spring (9) is sleeved on the thin rod (11) below the thick rod (10), and the first telescopic spring (9) is fixedly connected with the outer sleeve (1).

3. A telescopic air duct according to claim 1, wherein: coupling mechanism includes elastic plate (12), elastic plate (12) one end is equipped with arch (13), be equipped with draw-in groove (14) in inlayer sleeve pipe (2), be equipped with in draw-in groove (14) and press pole (15), press pole (15) both ends to be equipped with accessory plate (16), be equipped with expansion spring two (17) on accessory plate (16) and link to each other with inlayer sleeve pipe (2), press pole (15) one end to stretch out inlayer sleeve pipe (2).

4. A telescopic air duct according to claim 1, wherein: sliding rods (18) are arranged at two ends of the inner-layer sleeve (2), and sliding grooves (19) matched with the sliding rods (18) are formed in the outer-layer sleeve (1).

5. A telescopic air duct according to claim 1, wherein: one side of the outer sleeve (1) close to the first flange (4) is provided with a first sealing ring (20), one end of the inner sleeve (2) is provided with a second sealing ring (21), and one end, far away from the second flange (5), of the telescopic sleeve (3) is provided with a third sealing ring (22).

6. A telescopic air duct according to claim 1, wherein: the outer sleeve (1) and the inner sleeve (2) are made of aluminum alloy materials, and the telescopic sleeve (3) is made of telescopic PVC materials.