CN216306960U

CN216306960U - Telescopic air pipe device

Info

Publication number: CN216306960U
Application number: CN202122707072.8U
Authority: CN
Inventors: 刘美玲; 杨中; 马钰婷
Original assignee: Zhuhai Architectural Design Institute
Current assignee: Zhuhai Architectural Design Institute
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-15
Anticipated expiration: 2031-11-08

Abstract

The utility model provides a telescopic air duct device, comprising: the air duct comprises an installation support, an air duct telescopic mechanism and a support fixing mechanism; the middle part of the mounting bracket is provided with an air pipe mounting opening, one end of the air pipe is arranged in the air pipe mounting opening, and the other end of the air pipe extends upwards from the air pipe mounting opening; the air pipe telescopic mechanism is arranged at the top of the mounting bracket and connected with the air pipe, and can be stretched in the vertical direction; the supporting and fixing mechanism is arranged at the top of the mounting bracket and is respectively connected with the air pipe telescopic mechanism and the mounting bracket. According to the telescopic air pipe device, the air pipe telescopic mechanism is arranged to assist the air pipe to realize the telescopic effect, and the air pipe telescopic mechanism can drive the air pipe to stretch in the vertical direction. Furthermore, still through setting up support fixed establishment, can provide certain holding power to it and fix after tuber pipe telescopic machanism extends to prevent that tuber pipe telescopic machanism from receiving the damage under bad weather.

Description

Telescopic air pipe device

Technical Field

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

Background

In an emergency heating outpatient building, good ventilation is kept, so that the method is an effective means for severe respiratory infectious diseases, if the ventilation is not good, the indoor air circulation is not smooth, pathogenic bacteria cannot be fully diluted and discharged, and the risk of cross infection is increased. At present, the theoretical analysis and discussion on the ventilation system of the heating outpatient department is carried out in the design example of the emergency heating outpatient department, which requires that an exhaust unit is arranged at the tail end of the negative pressure side of an exhaust pipeline and is arranged outdoors, and an exhaust outlet of the exhaust unit is 3 meters higher than the top of a building and is not close to a dense area of people. In the prior art, the height of the air duct is generally not adjustable, and the emergency heating outpatient service building is used in ordinary times and in epidemic situations, and in ordinary times, the air outlet does not have the requirement of being 3m away from the top of the building, and if the air outlet is always 3m away from the top of the building, on one hand, the air outlet can affect the aesthetic degree of the building and on the other hand, the air outlet is easily damaged under the influence of severe weather (such as typhoon weather in the Guangdong coastal area). Therefore, it is urgently needed to design a telescopic air duct device to meet the use requirements of the heating outpatient building.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a telescopic air pipe device to solve the defects in the prior art.

The utility model relates to a telescopic air pipe device, which comprises: the air duct comprises an installation support, an air duct telescopic mechanism and a support fixing mechanism;

an air pipe mounting opening is formed in the middle of the mounting support, one end of the air pipe is arranged in the air pipe mounting opening, and the other end of the air pipe extends upwards from the air pipe mounting opening; the air pipe telescopic mechanism is arranged at the top of the mounting bracket and connected with the air pipe, and can be stretched in the vertical direction; the supporting and fixing mechanism is arranged at the top of the mounting bracket and is respectively connected with the air pipe telescopic mechanism and the mounting bracket, and the supporting and fixing mechanism is used for fixing the air pipe telescopic mechanism after the air pipe telescopic mechanism extends.

Compared with the prior art, the telescopic air pipe device has the advantages that the air pipe telescopic mechanism is arranged to assist the air pipe to realize the telescopic effect, and the air pipe telescopic mechanism can drive the air pipe to stretch in the vertical direction. Furthermore, still through setting up support fixed establishment, can provide certain holding power to it and fix after tuber pipe telescopic machanism extends to prevent that tuber pipe telescopic machanism from receiving the damage under bad weather.

In a preferred or optional embodiment, the air duct telescopic mechanism comprises two groups of telescopic assemblies, wherein the two groups of telescopic assemblies are symmetrically arranged and are respectively positioned at two sides of the air duct mounting opening; the air pipe is positioned between the two groups of telescopic assemblies and is connected to the top ends of the two groups of telescopic assemblies.

In a preferred or alternative embodiment, each set of telescoping assemblies comprises a scissor-type telescopic frame, a connecting base and a connecting top base;

the connecting base is fixedly connected to the top of the mounting support, a first sliding groove extending in the horizontal direction is formed in the connecting base, a first sliding block is arranged in the first sliding groove in a sliding mode, one connector at the bottom end of the scissor type telescopic frame is hinged to the connecting base, and the other connector at the bottom end of the scissor type telescopic frame is hinged to the first sliding block; the connecting top seat is positioned at the top end of the scissor type telescopic frame, a second sliding groove extending along the horizontal direction is formed in the connecting top seat, a second sliding block is arranged in the second sliding groove in a sliding mode, one connector at the top end of the scissor type telescopic frame is hinged with the connecting top seat, and the other connector at the top end of the scissor type telescopic frame is hinged with the second sliding block; the air pipe is connected with the top seat of the telescopic assembly.

In a preferred or optional embodiment, the air duct telescopic mechanism further comprises a connecting flange, the connecting flange is arranged between the two sets of telescopic assemblies and is respectively in sliding connection with the scissor type telescopic frames, and the outer wall of the air duct is further connected with the inner wall of the connecting flange.

In a preferred or optional embodiment, the connecting flange is provided in a plurality, and the plurality of connecting flanges are uniformly arranged along the vertical direction.

In a preferred or optional embodiment, each set of the telescopic assemblies further comprises a driving cylinder, the driving cylinder is mounted on the mounting bracket, and an output shaft of the driving cylinder is connected to the first sliding block.

In a preferred or optional embodiment, the supporting and fixing mechanism comprises a supporting rod group and a supporting base, a third sliding groove extending in the horizontal direction is arranged on the supporting base, a third sliding block is arranged in the third sliding groove in a sliding manner, and a clamping position matched with the third sliding block is arranged at the end part of the third sliding groove; the bottom end of the supporting rod group is hinged to the third sliding block, the top end of the supporting rod group is hinged to the connecting top seat, the supporting rod group comprises a plurality of supporting rod pieces which are sequentially hinged, and a clamping block and a clamping groove which are matched with each other are respectively arranged between every two supporting rod pieces which are hinged to each other;

when the air pipe telescopic mechanism extends, the support rod pieces are connected into a linear structure, the clamping blocks are buckled in the corresponding clamping grooves, and the third sliding block is buckled in the clamping positions.

In a preferred or optional embodiment, the number of the supporting and fixing mechanisms is two, and the two supporting and fixing mechanisms are symmetrically arranged and are respectively located at two sides of the air pipe telescoping mechanism.

In a preferred or alternative embodiment, the air conduit is a canvas hose.

For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the extendable air duct apparatus of the present invention;

FIG. 2 is a schematic view of the retractable duct assembly of the present invention in a retracted configuration;

FIG. 3 is a schematic view of the telescoping assembly of the present invention;

FIG. 4 is a schematic structural view of the retractable duct assembly of the present invention;

fig. 5 is an enlarged schematic view of a in fig. 4.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "hollow" are to be construed broadly, e.g., as meaning 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 application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 5, the present embodiment provides a retractable duct device, which includes: the device comprises a mounting bracket 1, an air pipe 2, an air pipe telescopic mechanism 3 and a supporting and fixing mechanism 4.

The mounting bracket 1 can be mounted at the top of a building close to the air outlet, and can be a steel bracket structure consisting of a plurality of steel plates. This embodiment 1 middle part of installing support is provided with an tuber

pipe installing port

11, 2 one ends of tuber pipe set up in the tuber pipe installing port 11, the other end is followed tuber pipe installing port 11 stretches out upwards, the bottom of tuber pipe 2 can communicate with indoor exhaust unit, this embodiment tuber pipe 2 is the telescopic tuber pipe, specifically is the canvas hose, both can stretch out and expand the use, can contract again and fold the use.

The air pipe telescopic mechanism 3 is arranged at the top of the mounting bracket 1 and connected with the air pipe 2, and the air pipe telescopic mechanism 3 can be stretched in the vertical direction; the supporting and fixing mechanism 4 is arranged at the top of the mounting bracket 1 and is respectively connected with the air pipe telescopic mechanism 3 and the mounting bracket 1, and the supporting and fixing mechanism 4 is used for fixing the air pipe telescopic mechanism 3 after the air pipe telescopic mechanism 3 is extended.

According to the telescopic air pipe device, the air pipe telescoping mechanism 3 is arranged to assist the air pipe 2 to achieve the telescopic effect, and the air pipe telescoping mechanism 3 can drive the air pipe 2 to telescope in the vertical direction. Further, still through setting up support fixed establishment 4, can provide certain holding power to it and fix after tuber pipe telescopic machanism 3 extends to prevent that tuber pipe telescopic machanism 3 from receiving the damage under bad weather.

Specifically, referring to fig. 3, the air duct telescoping mechanism 3 of the present embodiment includes two sets of telescoping assemblies 31, where the two sets of telescoping assemblies 31 are symmetrically disposed and located at two sides of the air duct mounting opening 11 respectively; the air pipe 2 is positioned between the two groups of telescopic assemblies 31 and is connected to the top ends of the two groups of telescopic assemblies 31. Through such setting, can be so that tuber pipe 2 is fixed well to carry out the flexible action better. Referring to fig. 3, in the present embodiment, each set of the telescopic assemblies 31 includes a scissor type telescopic frame 311, a connecting base 312 and a connecting top base 313. Scissor-fork expansion bracket 311 is the common expansion bracket among the prior art, and it includes along vertical direction articulated a plurality of "X" shape scissor-rod 3110 that set up in proper order, and every "X" shape scissor-rod 3110 can be formed by two member middle parts are articulated, scissor-fork expansion bracket 311's top and bottom all have two connectors to install, and the concrete theory of operation that should understand scissor-fork expansion bracket 311 by skilled in the art, need not be repeated here. Referring to fig. 1 and 3, the connection base 312 is fixedly connected to the top of the mounting bracket 1, a first sliding groove 3121 extending in the horizontal direction is formed in the connection base 312, a first sliding block 3122 is slidably disposed in the first sliding groove 3121, one of the connectors at the bottom end of the scissor type telescopic frame 311 is hinged to the connection base 312, and the other connector at the bottom end of the scissor type telescopic frame 311 is hinged to the first sliding block 3122; the connecting top seat 313 is located at the top end of the scissor-type telescopic frame 311, a second sliding groove 3131 extending in the horizontal direction is arranged in the connecting top seat 313, a second sliding block 3132 is arranged in the second sliding groove 3131 in a sliding manner, one connector at the top end of the scissor-type telescopic frame 311 is hinged to the connecting top seat 313, and the other connector at the top end of the scissor-type telescopic frame 311 is hinged to the second sliding block 3132; the air duct 2 is connected to the connection top seat 313 of the telescopic assembly 31. With such an arrangement, when the first sliding block 3122 is pushed to slide along the first sliding groove 3121, the scissor type telescopic frame 311 can be extended or retracted, and the second sliding block 3132 is driven by the scissor type telescopic frame 311 to slide in the second sliding groove 3131, so that the connection top seat 313 is raised or lowered, thereby controlling the extension or retraction of the air duct 2. This implementation telescopic component 31's structural design is reasonable, can carry out normal concertina movement well, when needs extend tuber pipe 2, towards a direction (for example towards left direction) first slider 3122 that slides, then cut fork expansion bracket 311 and extend up, and then drive tuber pipe 2 and stretch out certain height upwards, when needs shrink tuber pipe 2, towards another direction (for example towards right direction) first slider 3122 that slides, then cut fork expansion bracket 311 and contract down, and then drive tuber pipe 2 and contract folding down.

Further, in order to enable the air duct 2 to be more stably fixed between the telescopic assemblies 31, please refer to fig. 4, the air duct telescopic mechanism 3 further includes a connecting flange 32, the connecting flange 32 is disposed between the two sets of telescopic assemblies 31 and is respectively connected with the scissor-fork type telescopic frames 311 in a sliding manner, specifically, the middle portion of the connecting flange 32 is connected with the end portion of the "X" shaped scissor-fork lever 3110 in a sliding manner, and the outer wall of the air duct 2 is further connected with the inner wall of the connecting flange 32. Through so setting up, tuber pipe 2 middle part is connected with flange 32, can be so that tuber pipe 2 is fixed well to follow and cut fork expansion bracket 311 and carry out concertina movement. Preferably, the connecting flange 32 is provided in a plurality, the connecting flanges 32 are uniformly arranged in a vertical direction (not shown in the figure), the number of the connecting flanges 32 can be designed according to actual requirements, and when the length of the air duct 2 is longer, the number of the connecting flanges 32 can be correspondingly increased.

Preferably, with continued reference to fig. 1 and 3, each set of telescopic assemblies 31 further includes a driving cylinder 314, the driving cylinder 314 is mounted on the mounting bracket 1, and an output shaft thereof is connected to the first sliding block 3122, so that the driving cylinder 314 is operated to drive the scissor type telescopic frame 311 to move, which is convenient for a user to use.

The supporting and fixing mechanism 4 may have a plurality of setting manners, specifically, referring to fig. 4 and 5, in this embodiment, the supporting and fixing mechanism 4 includes a supporting rod set 41 and a supporting base 42, a third sliding slot 421 extending along a horizontal direction is disposed on the supporting base 42, a third sliding block 422 is slidably disposed in the third sliding slot 421, and a position-locking portion 423 matched with the third sliding block 422 is disposed at an end of the third sliding slot 421; the bottom end of the supporting rod group 41 is hinged to the third sliding block 422, the top end of the supporting rod group 41 is hinged to the connecting top seat 313, the supporting rod group 41 comprises a plurality of supporting rod pieces 411 which are sequentially hinged, and a clamping block and a clamping groove (not shown) which are matched with each other are respectively arranged between every two supporting rod pieces 411 which are hinged to each other. After the air duct telescopic mechanism 3 extends, the plurality of support rod members 411 are connected to form a linear structure, the clamping blocks are buckled in the corresponding clamping grooves, and the third sliding block 422 is buckled in the clamping groove 423. The linear structure one end that forms between many spinal branchs vaulting pole piece 411 can support in connecting footstock 313, and the other end supports in the screens 423 in third spout 421, just joint piece and the mutual lock in joint groove between the spinal branchvaulting pole piece 411 make the vaulting pole group 41 can play fine supporting effect, makes whole tuber pipe telescopic machanism 3 be in fixed state. In addition, in practical use, when the air duct telescoping mechanism 3 needs to be retracted, the third sliding block 422 is firstly removed from the blocking position 423, and then the blocking blocks and the blocking grooves are mutually unlocked one by one, so that the supporting rod group 41 can be folded (the folded state can refer to fig. 2), and at this time, the supporting rod group 41 does not provide any supporting force any more. The supporting and fixing mechanism 4 is reasonable in structural design, and can provide good supporting force, so that the air pipe telescoping mechanism 3 is supported and fixed.

Preferably, the number of the supporting and fixing mechanisms 4 is two, and the two supporting and fixing mechanisms 4 are symmetrically arranged and respectively located on two sides of the air pipe telescoping mechanism 3, so that the supporting and fixing effects are better.

The telescopic air pipe device can well solve the problem that air pipes installed on roofs of heating clinics or other buildings need to be more than 3 meters higher than roofs in special periods and only need to be discharged at low positions at ordinary times. In a special period, the air pipe 2 can be extended out by the air pipe telescopic mechanism 3, and the supporting and fixing mechanism 4 is used for fixing, so that the air pipe 2 can be retracted by the air pipe telescopic mechanism 3 when the air pipe is used at ordinary times, and the attractiveness of a building and the convenience in maintenance of the air pipe are guaranteed.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A retractable duct assembly, comprising: the air duct comprises an installation support, an air duct telescopic mechanism and a support fixing mechanism; an air pipe mounting opening is formed in the middle of the mounting support, one end of the air pipe is arranged in the air pipe mounting opening, and the other end of the air pipe extends upwards from the air pipe mounting opening; the air pipe telescopic mechanism is arranged at the top of the mounting bracket and connected with the air pipe, and can be stretched in the vertical direction; the supporting and fixing mechanism is arranged at the top of the mounting bracket and is respectively connected with the air pipe telescopic mechanism and the mounting bracket, and the supporting and fixing mechanism is used for fixing the air pipe telescopic mechanism after the air pipe telescopic mechanism extends.

2. The retractable ductwork apparatus according to claim 1, wherein: the air pipe telescopic mechanism comprises two groups of telescopic assemblies, and the two groups of telescopic assemblies are symmetrically arranged and are respectively positioned on two sides of the air pipe mounting opening; the air pipe is positioned between the two groups of telescopic assemblies and is connected to the top ends of the two groups of telescopic assemblies.

3. The retractable ductwork apparatus according to claim 2, wherein: each group of telescopic assemblies comprises a scissor type telescopic frame, a connecting base and a connecting top seat; the connecting base is fixedly connected to the top of the mounting support, a first sliding groove extending in the horizontal direction is formed in the connecting base, a first sliding block is arranged in the first sliding groove in a sliding mode, one connector at the bottom end of the scissor type telescopic frame is hinged to the connecting base, and the other connector at the bottom end of the scissor type telescopic frame is hinged to the first sliding block; the connecting top seat is positioned at the top end of the scissor type telescopic frame, a second sliding groove extending along the horizontal direction is formed in the connecting top seat, a second sliding block is arranged in the second sliding groove in a sliding mode, one connector at the top end of the scissor type telescopic frame is hinged with the connecting top seat, and the other connector at the top end of the scissor type telescopic frame is hinged with the second sliding block; the air pipe is connected with the top seat of the telescopic assembly.

4. The retractable ductwork apparatus according to claim 3, wherein: the air pipe telescopic mechanism further comprises a connecting flange, the connecting flange is arranged between the two groups of telescopic assemblies and is respectively in sliding connection with the scissor type telescopic frames, and the outer wall of the air pipe is further connected with the inner wall of the connecting flange.

5. The retractable air duct apparatus of claim 4, wherein: the connecting flanges are arranged in a plurality of numbers, and the connecting flanges are uniformly arranged along the vertical direction.

6. The retractable ductwork apparatus according to claim 3, wherein: each group of telescopic assemblies further comprises a driving cylinder, the driving cylinder is mounted on the mounting bracket, and an output shaft of the driving cylinder is connected to the first sliding block.

7. The retractable ductwork apparatus according to claim 3, wherein: the supporting and fixing mechanism comprises a supporting rod group and a supporting base, a third sliding groove extending along the horizontal direction is arranged on the supporting base, a third sliding block is arranged in the third sliding groove in a sliding mode, and a clamping position matched with the third sliding block is arranged at the end portion of the third sliding groove; the bottom end of the supporting rod group is hinged to the third sliding block, the top end of the supporting rod group is hinged to the connecting top seat, the supporting rod group comprises a plurality of supporting rod pieces which are sequentially hinged, and a clamping block and a clamping groove which are matched with each other are respectively arranged between every two supporting rod pieces which are hinged to each other; when the air pipe telescopic mechanism extends, the support rod pieces are connected into a linear structure, the clamping blocks are buckled in the corresponding clamping grooves, and the third sliding block is buckled in the clamping positions.

8. The retractable air duct apparatus of claim 7, wherein: the two supporting and fixing mechanisms are symmetrically arranged and are respectively positioned on two sides of the air pipe telescopic mechanism.

9. The retractable air duct apparatus of any one of claims 1-8, wherein: the air pipe is a canvas hose.