CN212619142U

CN212619142U - Caliber-adjustable spiral air duct

Info

Publication number: CN212619142U
Application number: CN202021319576.1U
Authority: CN
Inventors: 钱介文; 邓达增
Original assignee: Guangdong Dedian Environmental Protection Technology Co ltd
Current assignee: Guangdong Dedian Environmental Protection Technology Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-02-26
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a diameter-adjustable spiral air duct, which comprises an air duct, wherein the top end of the air duct is fixedly connected with a fixed duct, the inner side wall of the fixed duct is smoothly laminated with a movable duct, the bottom of the movable duct is fixedly connected with a movable plate, the two ends of the movable plate are both fixedly connected with sliders, one side of the air duct close to the sliders is correspondingly provided with a chute, a first rubber cushion and a second rubber cushion are respectively arranged between the two sides of the bottom of the movable plate and the inner side wall of the air duct, the utility model discloses a first rubber cushion and the second rubber cushion are arranged, the first rubber cushion and the second rubber cushion are respectively arranged at the two sides of the movable plate, thereby reducing the air flow in the air duct to a sealing ring, and simultaneously the arrangement of the first rubber cushion and the second rubber cushion better blocks the air flow in the air duct, the device has simple operation, the air in the air pipe is prevented from flowing out.

Description

Caliber-adjustable spiral air duct

Technical Field

The utility model relates to a spiral duct field especially relates to a bore adjustable spiral duct.

Background

The air duct system is an important component in air conditioning and ventilation engineering. At present, the types of ventilation pipelines are more, and the ventilation pipelines comprise traditional thin steel plate air pipes (which are most applied by galvanized plates), aluminum plate air pipes, novel inorganic glass fiber reinforced plastic air pipes, aluminum foil composite glass fiber air pipes, aluminum foil polyurethane air pipes, aluminum foil phenolic foam air pipes and the like. The traditional galvanized steel sheet tuber pipe design data is complete, and the construction is accepted standard and is multiple complete, and the tuber pipe inner wall is smooth, and the resistance is minimum, does not burn, and the pressure-bearing is high and the leakproofness is strong, and economic technology advantage is the highest, for the first-selected of air conditioner and ventilation engineering. So far, galvanized steel plate air pipes of domestic and foreign ventilation air-conditioning systems are still the most widely used, wherein the cross-sectional shapes are mainly rectangular and circular.

That bore of air inlet can not be adjusted to traditional tuber pipe, leads to the intake to support with air inlet speed and adjusts through the fan, is unfavorable for production, leads to adjusting comparatively hard, and the tuber pipe regulation efficiency who has bore regulatory function is poor, leads to intraductal gas leakage easily to we design a bore adjustable spiral duct.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a spiral air pipe with adjustable caliber.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an aperture adjustable spiral duct, includes the tuber pipe, the fixed pipe of tuber pipe top fixedly connected with, the smooth laminating of inside wall of fixed pipe has the movable tube, activity socle portion fixedly connected with movable plate, the equal fixedly connected with slider in movable plate both ends, the tuber pipe corresponds the spout of having seted up near one side of slider, be provided with first rubber cushion and second rubber cushion between movable plate bottom both sides and the tuber pipe inside wall respectively, movable plate bottom center fixedly connected with bearing, bearing bottom fixedly connected with threaded rod, the tuber pipe is close to one side set up threaded hole of threaded rod, the tuber pipe inside wall is close to one side fixedly connected with sealing washer of screw hole, threaded rod bottom runs through sealing washer and screw hole and fixedly connected with rotation handle.

As a further description of the above technical solution:

the inside wall of the sliding groove is smoothly attached to the outer side wall of the sliding block, the sliding block is a T-shaped sliding block, and the sliding groove is a T-shaped sliding groove.

As a further description of the above technical solution:

the smooth laminating of the lateral wall of sealing washer inside wall and threaded rod, and the sealing washer is made for the rubber material, the movable tube is made for the alloy material with fixed pipe, the movable tube is square pipe with fixed pipe.

As a further description of the above technical solution:

the bottom of the first rubber cushion and the bottom of the second rubber cushion are fixedly connected with the bottom of the inner side wall of the air pipe, and the top ends of the first rubber cushion and the second rubber cushion are fixedly connected with the bottom edge of the moving plate respectively.

As a further description of the above technical solution:

the rotating handle and the threaded rod are made of alloy materials and are integrally cast and formed.

As a further description of the above technical solution:

the maximum extending height of the first rubber cushion and the second rubber cushion is not lower than 6 cm.

As a further description of the above technical solution:

the section of the air pipe is rectangular.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the threaded rod, sealing washer and screw hole, when the bore and the air volume of tuber pipe are adjusted to needs, rotate the rotation handle, it drives the threaded rod rotation to rotate the handle, at slider and spout, the threaded rod rebound under the drive of screw hole, and promote the bearing, the movable plate, the expansion pipe, first rubber cushion and second rubber cushion rebound, the setting of first rubber cushion and second rubber cushion is convenient for better block tuber pipe inner channel, thereby make the bore of adjusting the tuber pipe more convenient, the inside gaseous effluvium of tuber pipe is avoided in the setting of sealing washer, the better regulation of being convenient for of setting up of screw hole and threaded rod, the device easy operation, the regulating effect is better, be convenient for the better bore of adjusting the tuber pipe.

2. The utility model discloses a set up first rubber cushion and second rubber cushion, first rubber cushion sets up the both sides at the movable plate respectively with second rubber cushion to reduce the inside gas flow direction sealing washer of tuber pipe, simultaneously first rubber cushion blocks the interior airflow of tuber pipe better with setting up of second rubber cushion, the device easy operation, and the regulating effect is better, and the effect of blocking wind is better, avoids the interior airflow of tuber pipe to flow out.

Drawings

Fig. 1 is a side view of a spiral duct with an adjustable diameter according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an elevation view of the spiral duct with adjustable aperture of the present invention.

Illustration of the drawings:

1. an air duct; 2. a threaded rod; 3. a movable tube; 4. a fixed tube; 5. rotating the handle; 6. a threaded hole; 7. a seal ring; 8. a bearing; 9. a chute; 10. a slider; 11. moving the plate; 12. a first rubber cushion; 13. a second rubber cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a bore adjustable spiral duct, including tuber pipe 1, the fixed pipe 4 of 1 top fixedly connected with of tuber pipe, the smooth laminating of inside wall of fixed pipe 4 has

movable pipe

3, 3 bottom fixedly connected with movable plate 11 of movable pipe, the equal fixedly connected with slider 10 in movable plate 11 both ends, spout 9 has been seted up to one side correspondence that tuber pipe 1 is close to slider 10, be provided with first rubber cushion 12 and second rubber cushion 13 between 11 bottom both sides of movable plate and the 1 inside wall of tuber pipe respectively, 11 bottom center department fixedly connected with bearings 8 of movable plate, 8 bottom fixedly connected with threaded rod 2 of bearings, threaded hole 6 has been seted up to one side that tuber pipe 1 is close to threaded rod 2, 1 inside wall of tuber pipe is close to one side fixedly connected with sealing washer 7 of threaded

hole

6, 2 bottoms of threaded rod run through sealing washer.

Smooth laminating of 9 inside walls of spout and 10 outside walls of slider, slider 10 are "T" type slider 10, and spout 9 is "T" type spout 9, and it is spacing to be convenient for better carry on movable plate 11, avoids movable plate 11 to take place the skew at the during operation. 7 inside walls of sealing washer and the smooth laminating of lateral wall of threaded rod 2, and sealing washer 7 is made for the rubber material, is convenient for better seal threaded rod 2 and threaded hole 6's junction, avoids 1 inside gaseous of tuber pipe to let out from the junction of threaded rod 2 and threaded hole 6 to improve tuber pipe 1's leakproofness, movable tube 3 is the alloy material with fixed pipe 4 and makes, and movable tube 3 is square pipe with fixed pipe 4. The bottom of the first rubber cushion 12 and the bottom of the second rubber cushion 13 are fixedly connected with the bottom of the inner side wall of the air pipe 1, and the top ends of the first rubber cushion 12 and the second rubber cushion 13 are fixedly connected with the bottom edge of the moving plate 11 respectively, so that the caliber of the air pipe 1 can be adjusted better. The rotating handle 5 and the threaded rod 2 are made of alloy materials, and the rotating handle 5 and the threaded rod 2 are integrally cast and molded. The maximum extending height of the first rubber cushion 12 and the second rubber cushion 13 is not less than 6 cm. The section of the air pipe 1 is rectangular, so that the caliber of the air pipe 1 can be adjusted better.

The working principle is as follows: when the bore and the air volume of tuber pipe 1 need be adjusted, rotate and rotate handle 5, it drives threaded rod 2 and rotates to rotate handle 5, at slider 10 and spout 9, threaded rod 2 rebound under the drive of screw hole 6, and promote bearing 8, movable plate 11, the movable tube 3, first rubber cushion 12 and second rubber cushion 13 rebound, first rubber cushion 12 blocks tuber pipe 1 inner channel better with the setting of second rubber cushion 13, thereby make the bore of adjusting tuber pipe 1 more convenient, the inside gaseous effluence of tuber pipe 1 is avoided in the setting of sealing washer 7.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a bore adjustable spiral duct, includes tuber pipe (1), its characterized in that: the air pipe is characterized in that a fixed pipe (4) is fixedly connected to the top end of the air pipe (1), a movable pipe (3) is smoothly attached to the inner side wall of the fixed pipe (4), a movable plate (11) is fixedly connected to the bottom of the movable pipe (3), sliders (10) are fixedly connected to the two ends of the movable plate (11), a sliding groove (9) is correspondingly formed in one side, close to the sliders (10), of the air pipe (1), a first rubber cushion (12) and a second rubber cushion (13) are respectively arranged between the two sides of the bottom of the movable plate (11) and the inner side wall of the air pipe (1), a bearing (8) is fixedly connected to the center of the bottom of the movable plate (11), a threaded rod (2) is fixedly connected to the bottom of the bearing (8), a threaded hole (6) is formed in one side, close to the threaded rod (2), and a, the bottom of the threaded rod (2) penetrates through the sealing ring (7) and the threaded hole (6) and is fixedly connected with a rotating handle (5).

2. The adjustable-diameter spiral duct of claim 1, wherein: the inner side wall of the sliding groove (9) is smoothly attached to the outer side wall of the sliding block (10), the sliding block (10) is a T-shaped sliding block (10), and the sliding groove (9) is a T-shaped sliding groove (9).

3. The adjustable-diameter spiral duct of claim 1, wherein: the smooth laminating of the lateral wall of sealing washer (7) inside wall and threaded rod (2), and sealing washer (7) are made for the rubber material, movable tube (3) are made for the alloy material with fixed pipe (4), movable tube (3) are square pipe with fixed pipe (4).

4. The adjustable-diameter spiral duct of claim 1, wherein: first rubber cushion (12) and second rubber cushion (13) bottom all with the inside wall bottom fixed connection of tuber pipe (1), first rubber cushion (12) and second rubber cushion (13) top respectively with the bottom edge fixed connection of movable plate (11).

5. The adjustable-diameter spiral duct of claim 1, wherein: the rotating handle (5) and the threaded rod (2) are made of alloy materials, and the rotating handle (5) and the threaded rod (2) are integrally cast and formed.

6. The adjustable-diameter spiral duct of claim 1, wherein: the maximum extending height of the first rubber cushion (12) and the second rubber cushion (13) is not less than 6 cm.

7. The adjustable-diameter spiral duct of claim 1, wherein: the section of the air pipe (1) is rectangular.