CN113062560A - Multi-section air pipe structure in narrow vertical air duct - Google Patents
Multi-section air pipe structure in narrow vertical air duct Download PDFInfo
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- CN113062560A CN113062560A CN202110317820.3A CN202110317820A CN113062560A CN 113062560 A CN113062560 A CN 113062560A CN 202110317820 A CN202110317820 A CN 202110317820A CN 113062560 A CN113062560 A CN 113062560A
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- 238000007789 sealing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 239000012634 fragment Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to the technical field of vertical air ducts and air ducts, in particular to a multi-section air duct structure in a narrow vertical air duct, which comprises a plurality of stretching hook structures which are arranged between adjacent air ducts of a plurality of mutually connected air ducts and used for fastening the joints of the air ducts; the stretching clamping hook structure comprises a rotating clamping hook, a locking pull rod and an unlocking pull rod are connected to the rotating clamping hook, the rotating clamping hook correspondingly rotates to a locking position and an unlocking position when the locking pull rod and the unlocking pull rod are respectively pulled, the rotating clamping hook locks two adjacent air pipes when in the locking position, and the rotating clamping hook unlocks the two air pipes when in the unlocking position. The air pipe structure disclosed by the invention realizes connection fastening and loosening between two adjacent air pipes by stretching the hook structure, and can realize longitudinal splicing of the air pipes in a narrow air shaft space; the limit of narrow space is avoided, the consumption of manpower and material resources is reduced, the installation of the air pipe is simplified and efficient, and the reliability is fully ensured.
Description
Technical Field
The invention relates to the technical field of vertical air ducts and air ducts, in particular to a multi-section air duct structure in a narrow vertical air duct.
Background
Buildings such as high-rise houses and the like are required to introduce and exhaust smoke, and an air shaft is often arranged to intensively deal with the indoor smoke emission problem. Generally, the air shaft is used as an air duct, and a corresponding air pipe is arranged in the air duct to remove smoke. Because the height of the building is larger, the air pipes are generally manufactured into a plurality of sections of air pipes with smaller lengths, and the air pipes are spliced and assembled to form a complete air duct during construction.
The existing air pipes are generally made of section steel, the main body is covered on the surface of the main body through color steel, iron sheets and the like to form a complete air pipe structure, and the multi-section air pipes are fastened and connected through bolts to complete splicing. Because the distance between the air pipe and the wall of the air shaft is only 50-100 mm when the air pipe is installed, the installation of bolts in narrow gaps is very difficult in the splicing process, and the efficiency is low; and generally need set up a plurality of bolts in the edge of tuber pipe interface and can realize connecting, need consume very big manpower and material resources. Even so, after the installation of tuber pipe is accomplished, because the clearance is narrow and small, the bolt is numerous, if need carry out maintenance very difficult.
Therefore, the structure of the lining air pipe arranged in the existing air duct still has a space needing to be improved, and mainly solves the problems of inconvenient construction and difficult maintenance in a narrow space and low efficiency. The air pipe structure should be optimized and improved or be suitable for a more applicable structure, so a more reasonable technical scheme needs to be provided, and the defects in the prior art are overcome.
Disclosure of Invention
In order to solve the defects of the prior art mentioned in the above, the invention provides a multi-section air pipe structure in a narrow vertical air duct, and the splicing position is fastened or loosened in a clamping hook mode through splicing the multi-section air pipes, so that the quick connection and disconnection are realized, the operation is convenient and efficient, and the operation can be performed in a narrow air shaft space.
In order to achieve the purpose, the invention specifically adopts the technical scheme that:
a multi-section air duct structure in a narrow vertical air duct comprises a plurality of mutually connected adjacent air ducts, wherein a stretching hook structure used for fastening the joints of the air ducts is arranged between the adjacent air ducts; the stretching clamping hook structure comprises a rotating clamping hook, a locking pull rod and an unlocking pull rod are connected to the rotating clamping hook, the rotating clamping hook correspondingly rotates to a locking position and an unlocking position when the locking pull rod and the unlocking pull rod are respectively pulled, the rotating clamping hook locks two adjacent air pipes when in the locking position, and the rotating clamping hook unlocks the two air pipes when in the unlocking position.
The air pipe structure disclosed by the above is formed into a complete smoke exhaust air pipe by mutually splicing and communicating a plurality of sections of air pipes; the two adjacent air pipes are connected and locked or disconnected through the stretching clamping hook structure, when splicing operation is carried out, only two sections of air pipes to be connected need to be aligned in the longitudinal direction, the connecting surfaces of the two air pipes keep relative positions after contact and fitting, the two air pipes can be quickly fastened by pulling the locking pull rod, and then the two air pipes can be unlocked by pulling the unlocking pull rod. The stretching hook structure can not automatically reset, so that the rotating hook can be kept at the locking position or the unlocking position after the locking operation or the unlocking operation is carried out. Even in the air shaft with narrow space, the method disclosed by the invention is very convenient for splicing the air pipes.
Furthermore, the rotating hook used in the present invention is used to lock two adjacent air ducts, and the rotating hook can be constructed into various feasible structures, which are optimized and listed as feasible options: because two adjacent air pipes are longitudinally communicated, and the operation is convenient to carry out from top to bottom, the rotating clamping hook is hinged with the upper air pipe, and the rotating clamping hook rotates in a reciprocating way in the longitudinal direction; the rotating hook comprises a rotating arm and a hook head which are integrally formed, the hinged position of the rotating hook and the air pipe is positioned on the cantilever, and the locking pull rod and the unlocking pull rod are respectively connected to two sides of the hinged position and pull the rotating arm to rotate around the hinged position in the longitudinal direction. When the scheme is adopted, the rotating arm rotates towards different directions when the locking pull rod and the unlocking pull rod exert force on the rotating arm, so that the hook head is driven to fasten or unlock the two air pipes.
Further, the locking and unlocking tie rods used in the present invention provide an upward pulling force mainly in the longitudinal direction, which itself can be constructed in various configurations, optimized here and one of the possible options: the locking pull rod and the unlocking pull rod respectively comprise a pull rod part and a pull hook part, the lower end of the pull rod part is hinged with the rotating arm, and the pull hook part is arranged at the upper end of the pull rod part. When the scheme is adopted, the pull rod part can be driven to lift by applying upward pulling force to drive the rotating arm to rotate. Specifically, the pulling action can be realized by hooking the pulling hook part by a long strip-shaped rod-shaped piece and then lifting the pulling hook part, or by pulling a rope tied on the pulling hook part.
Further, in the process that the tumbler rotates, the connection point of the tumbler and the locking pull rod and the unlocking pull rod generates circumferential displacement around the hinged position of the tumbler and the air pipe, the locking pull rod and the unlocking pull rod are kept in an upward direction for helping, operation is conveniently carried out from the upper side, the structure of the air pipe is optimized, and one feasible option is provided: the air pipe is connected with a guide sleeve, and the guide sleeve comprises a guide seat which is rotatably arranged and a rod sleeve which is arranged on the guide seat; the guide sleeves correspond to the pull rod parts one by one, and the pull rod parts penetrate through the rod sleeves. When the rotary arm rotates, the pull rod part is not always in the vertical direction, and the rotary rod sleeve can be coaxial with the pull rod part, so that the pull rod part is prevented from being interfered and blocked.
Further, the rotating pothook is switched between the locking position and the unlocking position, and when the looseness occurs, the rotating pothook can not lock the air pipe at the locking position, so that the setting structure of the rotating pothook is optimized and one feasible choice is shown: the air pipe is sleeved with a positioning and stretching structure, and the rotating arm is hinged to the positioning and stretching structure and moves along with the positioning and stretching structure in the longitudinal direction. When the scheme is adopted, the rotating hook can be integrally moved upwards through the position-adjusting stretching structure after rotating to the locking position, so that the fastening force of the rotating hook on the air pipe is increased.
Still further, the positioning and stretching structure adopted in the present invention may adopt various feasible schemes, and is not limited only, and is optimized here and one of the feasible options is shown: the position adjusting and stretching structure comprises a position adjusting slide rod, a position adjusting seat which can slide and lift in the longitudinal direction is arranged on the position adjusting slide rod, and the rotating arm is hinged to the position adjusting seat and moves up and down along with the position adjusting seat; the position adjusting slide rod is provided with an elastic piece, and the elastic piece applies upward elastic force to the position adjusting seat.
Still further, the elastic member may be an elastic member including a spring.
Still further, optimize the alignment stretching structure and show the following feasible schemes: the position-adjusting stretching structure further comprises a position-adjusting pull rod, and the position-adjusting pull rod is connected with the position-adjusting seat and pulls the position-adjusting seat to slide on the position-adjusting slide rod. When the scheme is adopted, the positioning pull rod can be operated from the upper part to pull the positioning pull rod, so that the position of the positioning seat is lifted, and the fastening force of the rotating clamping hook is increased.
Further, after setting up the tensile structure of positioning, in order to prevent that the tensile structure of positioning from appearing not hard up the power of cramping that reduces the rotating pothook, can set up contrary structure and the tensile structure cooperation of positioning, optimize here and lift one of them feasible selection: the air pipe on be provided with contrary latch, the transposition seat on be provided with contrary shell fragment that ends, contrary shell fragment and contrary latch cooperation and restriction transposition seat receive upward force and move up under the effect, receive downward force and acted on by the locking. When the scheme is adopted, the non-return elastic sheet rises along with the rising of the position adjusting seat, and meanwhile, the non-return elastic sheet is matched with the non-return latch at the higher position to keep the height of the position adjusting seat.
Furthermore, because the rotating latch is stressed under a large force when fastened, the structure for enhancing the strength of the air pipe is arranged for preventing the deformation of the air pipe caused by the force, and particularly, the structure is optimized and one feasible option is provided: the port department of tuber pipe be provided with the tuber pipe cover, tensile pothook structure connect and fix to the tuber pipe cover.
Still further, the wind pipe sleeve can be used for being matched with a rotating hook to realize fastening, and the structure of the wind pipe sleeve can be set into various structures, wherein one of the feasible options is as follows: the wind pipe sleeve also comprises a flange structure, and the rotating clamping hook is fastened to the flange structure when positioned at a locking position; and a sealing gasket is arranged between the binding surfaces of the two adjacent air pipes, and the sealing gasket is tightly pressed by the flange structure when the air pipes are connected. When the scheme is adopted, the flange structure bears the fastening force of the rotating clamping hook and keeps the shape unchanged, and the reliability of air pipe connection is improved.
Compared with the prior art, the invention has the beneficial effects that:
the air pipe structure disclosed by the invention realizes connection fastening and loosening between two adjacent air pipes through the stretching hook structure, has a simple structure, is convenient to operate, and can realize longitudinal splicing of the air pipes in a narrow air shaft space; the limit of narrow space is avoided, the consumption of manpower and material resources is greatly reduced, and the installation of the air pipe is simplified and efficient; and the rotating hook can tightly connect the upper and lower air pipes, so that the reliability is fully ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the rotary latch in the locking position.
Fig. 2 is a schematic structural view of the rotating latch in the unlocked position.
Fig. 3 is an enlarged view of a portion of a structure at a in fig. 1.
Fig. 4 is an enlarged view of a portion of the structure at B in fig. 2.
In the above drawings, the meanings of the respective symbols are: 1. an air duct; 2. a wind pipe sleeve; 3. unlocking the pull rod; 4. locking the pull rod; 5. a position adjusting pull rod; 6. a guide sleeve; 7. rotating the hook; 8. a gasket; 9. a position adjusting seat; 10. a non-return latch; 11. a non-return spring sheet; 12. an elastic member; 13. and (4) a flange structure.
Detailed Description
The invention is further explained below with reference to the drawings and the specific embodiments.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
Examples
Under the circumstances that there is inefficiency, difficult operation, installation quality to obtain the guarantee in the inside lining tuber pipe of the wind channel of vertically installing in the narrow space of air shaft, this embodiment discloses a tuber pipe structure, can be applied to in the narrow air shaft space, solve the problem that exists among the prior art.
Specifically, the technical solution disclosed in this embodiment is as follows:
as shown in fig. 1 and 2, a multi-section air duct structure in a narrow vertical air duct comprises a plurality of interconnected air ducts 1, and a stretching hook structure for fastening the joints of the air ducts 1 is arranged between the adjacent air ducts 1; the stretching clamping hook structure comprises a rotating clamping hook 7, wherein a locking pull rod 4 and an unlocking pull rod 3 are connected to the rotating clamping hook 7, the rotating clamping hook 7 correspondingly rotates to a locking position and an unlocking position when the locking pull rod 4 and the unlocking pull rod 3 are respectively pulled, the rotating clamping hook 7 locks two adjacent air pipes 1 when in the locking position, and the rotating clamping hook 7 unlocks the two air pipes 1 when in the unlocking position.
The air duct 1 structure disclosed above is formed into a complete smoke exhaust air duct 1 by mutually splicing and communicating a plurality of sections of air ducts 1; the connection locking or disconnection between two adjacent air pipes 1 is realized through a stretching clamping hook structure, when splicing operation is carried out, only two sections of air pipes 1 to be connected need to be aligned in the longitudinal direction, the connection surfaces of the two air pipes keep relative positions after contact fitting, the two air pipes 1 can be quickly fastened by pulling the locking pull rod 4, and then the two air pipes 1 can be unlocked by pulling the unlocking pull rod 3. The stretching hook structure will not automatically reset, so the rotating hook 7 will be kept at the locking position or the unlocking position after the locking operation or the unlocking operation. Even in the air shaft with narrow space, the splicing construction of the air pipe 1 by adopting the method disclosed by the embodiment is very convenient.
The rotating hook 7 adopted in the present embodiment is used for locking two adjacent air ducts 1, the rotating hook 7 can be configured into various feasible structures, and in some embodiments, the rotating hook 7 can be configured into an arc-shaped hook, a folded edge straight hook, and the like, and the present embodiment is optimized and adopts one of the feasible options: as shown in fig. 3 and 4, because two adjacent air ducts 1 are longitudinally communicated, and for convenience of operation from top to bottom, the rotating hook 7 is hinged with the upper air duct 1, and the rotating hook 7 rotates in a reciprocating manner in the longitudinal direction; the rotating hook 7 comprises a rotating arm and a hook head which are integrally formed, the hinged part of the rotating hook 7 and the air pipe 1 is positioned on the cantilever, and the locking pull rod 4 and the unlocking pull rod 3 are respectively connected to two sides of the hinged part and pull the rotating arm to rotate around the hinged part in the longitudinal direction. When the scheme is adopted, the rotating arm rotates towards different directions when the locking pull rod 4 and the unlocking pull rod 3 exert force on the rotating arm, so that the hook head is driven to fasten or unlock the two air pipes 1.
The locking and unlocking tie rods 4, 3 used in this embodiment, which provide mainly upward pulling force in the longitudinal direction, can be configured in various structures, and in some embodiments, can be a mechanism for providing hooks on straight rods, and this embodiment is optimized and uses one of the feasible options: locking pull rod 4 and unblock pull rod 3 all include pull rod portion and drag hook portion, the lower extreme and the rocking arm of pull rod portion are articulated, drag hook portion sets up in the upper end of pull rod portion. When the scheme is adopted, the pull rod part can be driven to lift by applying upward pulling force to drive the rotating arm to rotate. Specifically, the pulling action can be realized by hooking the pulling hook part by a long strip-shaped rod-shaped piece and then lifting the pulling hook part, or by pulling a rope tied on the pulling hook part.
In the process that the tumbler rotates, its tie point with locking pull rod 4, unblock pull rod 3 takes place the circular displacement around the articulated department of tumbler and tuber pipe 1, in order to help locking pull rod 4 and unblock pull rod 3 to keep ascending orientation, conveniently operates from the top, and this embodiment optimizes the structure of tuber pipe 1 to adopt one of them feasible selection: the air pipe 1 is connected with a guide sleeve 6, and the guide sleeve 6 comprises a guide seat which is rotatably arranged and a rod sleeve which is arranged on the guide seat; the guide sleeves 6 correspond to the pull rod parts one by one, and the pull rod parts penetrate through the rod sleeves. When the rotary arm rotates, the pull rod part is not always in the vertical direction, and the rotary rod sleeve can be coaxial with the pull rod part, so that the pull rod part is prevented from being interfered and blocked.
Preferably, a support rod is arranged on the air pipe 1, and the guide sleeve 6 is arranged on the support rod.
The rotating hook 7 is switched between a locking position and an unlocking position, and when looseness occurs, the air duct 1 cannot be locked by rotating the hook 7 at the locking position, so that the arrangement structure of the rotating hook 7 is optimized and one feasible option is adopted in the embodiment: the air pipe 1 is sleeved with a positioning and stretching structure, and the rotating arm is hinged to the positioning and stretching structure and moves along with the positioning and stretching structure in the longitudinal direction. When the scheme is adopted, the rotating hook 7 can be integrally moved upwards through the position-adjusting stretching structure after the rotating hook 7 rotates to the locking position, so that the fastening force of the rotating hook 7 on the air pipe 1 is increased.
The positioning and stretching structure adopted in the present embodiment may adopt various feasible schemes, and is not limited only, in some embodiments, the positioning and stretching structure may be configured as a rack structure, a hanging hole structure, and the like, and the present embodiment is optimized and adopts one of the feasible options: the position adjusting and stretching structure comprises a position adjusting slide rod, a position adjusting seat 9 which can slide and lift in the longitudinal direction is arranged on the position adjusting slide rod, and the rotating arm is hinged on the position adjusting seat 9 and can move up and down along with the position adjusting seat 9; the position adjusting slide rod is provided with an elastic part 12, and the elastic part 12 applies upward elastic force to the position adjusting seat 9.
Preferably, the elastic member 12 is a spring.
The positioning and stretching structure is optimized and the following feasible scheme is adopted: the position-adjusting stretching structure further comprises a position-adjusting pull rod 5, and the position-adjusting pull rod 5 is connected with the position-adjusting seat 9 and pulls the position-adjusting seat 9 to slide on the position-adjusting slide rod. When the scheme is adopted, the positioning pull rod 5 can be pulled by operating from the upper part, so that the position of the positioning seat 9 is lifted, and the fastening force of the rotating hook 7 is increased.
After setting up the tensile structure of positioning, in order to prevent that the tensile structure of positioning from appearing not hard up the power of cramping that reduces rotating pothook 7, can set up contrary structure and the tensile structure cooperation of positioning, this embodiment is optimized and is adopted one of them feasible selection: the air pipe 1 on be provided with contrary latch 10, the accent seat 9 on be provided with contrary shell fragment 11 that ends, contrary shell fragment 11 and contrary latch 10 cooperation and restriction accent seat 9 receive upward force to do all can and move up, receive down the locking of doing all can the time. When the scheme is adopted, the non-return elastic sheet 11 rises along with the rising of the positioning seat 9, and meanwhile, the non-return elastic sheet 11 is matched with the non-return latch 10 at the higher position to keep the height of the positioning seat 9.
Because the effect of the power that receives is great when rotating latch straining, for the effect of preventing power leads to tuber pipe 1 to warp, the structure of 1 intensity of reinforcing tuber pipe is set up to this embodiment, and is concrete, and this embodiment is optimized and is adopted one of them feasible selection: the port department of tuber pipe 1 be provided with the tuber pipe cover 2, tensile pothook structure connect and fix to tuber pipe cover 2.
Preferably, the wind pipe sleeve 2 can also be used to cooperate with the rotating hook 7 to achieve fastening, specifically, the structure of the wind pipe sleeve 2 can be set to be various, and this embodiment adopts one of the feasible options: the wind pipe sleeve 2 also comprises a flange structure 13, and the flange structure 13 is fastened when the rotating hook 7 is positioned at the locking position; a sealing gasket 8 is arranged between the binding surfaces of the two adjacent air pipes 1, and the flange structure 13 compresses the sealing gasket 8 when the air pipes 1 are connected. When the scheme is adopted, the flange structure 13 bears the fastening force of the rotating hook 7 and keeps the shape unchanged, so that the connection reliability of the air pipe 1 is improved.
The above embodiments are just exemplified in the present embodiment, but the present embodiment is not limited to the above alternative embodiments, and those skilled in the art can obtain other various embodiments by arbitrarily combining with each other according to the above embodiments, and any other various embodiments can be obtained by anyone in light of the present embodiment. The above detailed description should not be construed as limiting the scope of the present embodiments, which should be defined in the claims, and the description should be used for interpreting the claims.
Claims (10)
1. The utility model provides a multisection tuber pipe structure in narrow vertical wind channel which characterized in that: comprises a plurality of mutually connected air pipes (1), wherein a stretching hook structure used for fastening the connection part of the air pipes (1) is arranged between the adjacent air pipes (1); tensile pothook structure include rotating pothook (7), be connected with locking pull rod (4) and unblock pull rod (3) on rotating pothook (7), rotating pothook (7) correspond the rotation to locking position and unblock position when pulling locking pull rod (4), unblock pull rod (3) respectively, rotating pothook (7) are locked adjacent two tuber pipes (1) when locking the position, two tuber pipes (1) that locking was relieved in rotating pothook (7) when unblock position.
2. The internal multi-duct structure for narrow vertical ducts of claim 1, wherein: the two adjacent air pipes (1) are longitudinally communicated, the rotating hook (7) is hinged with the upper air pipe (1), and the rotating hook (7) rotates in a reciprocating manner in the longitudinal direction; the rotating hook (7) comprises a rotating arm and a hook head which are integrally formed, the hinged part of the rotating hook (7) and the air pipe (1) is positioned on the cantilever, and the locking pull rod (4) and the unlocking pull rod (3) are respectively connected to two sides of the hinged part and pull the rotating arm to rotate around the hinged part in the longitudinal direction.
3. The structure of multiple ductwork within a narrow vertical air duct according to claim 1 or 2, wherein: locking pull rod (4) and unblock pull rod (3) all include pull rod portion and drag hook portion, the lower extreme and the rocking arm of pull rod portion are articulated, drag hook portion sets up in the upper end of pull rod portion.
4. The internal multi-duct structure of a narrow vertical air duct of claim 3, wherein: the air pipe (1) is connected with a guide sleeve (6), and the guide sleeve (6) comprises a guide seat which is rotatably arranged and a rod sleeve which is arranged on the guide seat; the guide sleeves (6) correspond to the pull rod parts one by one, and the pull rod parts penetrate through the rod sleeves.
5. The internal multi-duct structure of a narrow vertical air duct of claim 2, wherein: the air pipe (1) is sleeved with a positioning and stretching structure, and the rotating arm is hinged to the positioning and stretching structure and moves longitudinally along with the positioning and stretching structure.
6. The internal multi-duct structure of a narrow vertical air duct of claim 5, wherein: the position adjusting and stretching structure comprises a position adjusting slide rod, a position adjusting seat (9) which can slide and lift in the longitudinal direction is arranged on the position adjusting slide rod, and the rotating arm is hinged to the position adjusting seat (9) and moves up and down along with the position adjusting seat (9); the position adjusting slide rod is provided with an elastic piece (12), and the elastic piece (12) applies upward elastic force to the position adjusting seat (9).
7. The internal multi-duct structure of a narrow vertical air duct of claim 6, wherein: the position-adjusting stretching structure further comprises a position-adjusting pull rod (5), and the position-adjusting pull rod (5) is connected with the position-adjusting seat (9) and pulls the position-adjusting seat (9) to slide on the position-adjusting slide rod.
8. The internal multi-duct structure of a narrow vertical air duct of claim 7, wherein: the air pipe (1) is provided with a non-return latch (10), the position adjusting seat (9) is provided with a non-return elastic piece (11), the non-return elastic piece (11) is matched with the non-return latch (10) and limits the position adjusting seat (9) to move upwards under the action of upward force, and the position adjusting seat is locked under the action of downward force.
9. The internal multi-duct structure for narrow vertical ducts of claim 1, wherein: the port department of tuber pipe (1) be provided with tuber pipe cover (2), tensile pothook structural connection fix to tuber pipe cover (2).
10. The internal multi-duct structure of a narrow vertical air duct of claim 9, wherein: the wind pipe sleeve (2) also comprises a flange structure (13), and the rotating clamping hook (7) is fastened on the flange structure (13) when located at a locking position; a sealing gasket (8) is arranged between the binding surfaces of two adjacent air pipes (1), and the sealing gasket (8) is compressed by a flange structure (13) when the air pipes (1) are connected.
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| CN202110317820.3A CN113062560A (en) | 2021-03-25 | 2021-03-25 | Multi-section air pipe structure in narrow vertical air duct |
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| CN202110317820.3A CN113062560A (en) | 2021-03-25 | 2021-03-25 | Multi-section air pipe structure in narrow vertical air duct |
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