CN220688435U

CN220688435U - Double-layer heat-insulating spiral air pipe

Info

Publication number: CN220688435U
Application number: CN202322481193.4U
Authority: CN
Inventors: 尚从跃; 尚子文; 尚红宇
Original assignee: Shanghai Wenchong Ventilation Equipment Co ltd
Current assignee: Shanghai Wenchong Ventilation Equipment Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-03-29
Anticipated expiration: 2033-09-13

Abstract

This utility model provides a double-layer adiabatic spiral air duct, comprising a first and a second pipe bodies, a pipe connector for connecting the first and second pipe bodies. The pipe walls of the first and second pipe bodies respectively include an outer ring steel plate and an inner ring steel plate, and an insulation layer is sandwiched between the outer ring steel plate and the inner ring steel plate. The pipe connector includes a joint sleeve inserted and installed between the first and second pipe bodies. The insertion plate in the device is inserted into the interlayer between the outer ring steel plate and the inner ring steel plate, and the inner ring steel plate is adhered to the insertion plate through the pressure plate to improve the sealing of the joint. The sliding pressure piece is sliding installed on the pressure rail and can be moved by rotating the bolt to compress the folded edge of the outer ring steel plate through the adhesive plate, thereby fixing the outer ring steel plate on the joint sleeve. The device has a simple structure, stable docking, good insulation effect, and is easy to disassemble in the later stage.

Description

Double-layer heat-insulating spiral air pipe

Technical Field

The utility model relates to the technical field of spiral air pipes, in particular to a double-layer heat-insulating spiral air pipe.

Background

The spiral duct is generally used for fire control and smoke discharging, central air conditioning ventilation duct, air conditioner mouth exhaust or ordinary exhaust, be equipped with adiabatic intermediate layer in the double-deck adiabatic spiral duct, the intermediate layer's both ends are equipped with the steel sheet respectively, current two sets of spiral duct connection are established the laminating together through the clamp card generally, but the clamp can only laminate the outer steel sheet of spiral duct fixedly, the inboard steel sheet of spiral duct and adiabatic intermediate layer of spiral duct receive factor influences such as crooked, warp, can not laminate, there is great clearance, lead to two sets of spiral duct joints unstable, and seal effect between two sets of spiral duct is poor, play thermal-insulated effect.

Disclosure of Invention

The utility model solves the technical problem of providing a double-layer heat-insulating spiral duct which is stable in splicing and good in sealing performance, so as to solve the problem in the background art.

The technical problems solved by the utility model are realized by adopting the following technical scheme: the utility model provides a double-deck adiabatic spiral duct, includes first body and second body, is used for connecting the pipe joint spare of first body and second body, the pipe wall of first body and second body includes outer lane steel sheet and inner circle steel sheet respectively, it is equipped with the insulating layer to press from both sides between outer lane steel sheet and the inner circle steel sheet, the joint cover of installing between first body and second body is including inserting to the pipe joint spare, adjustable clamp plate of installing in the joint cover inner chamber, clamp plate annular distribution installs in the inner chamber of joint cover, through the clearance between regulation clamp plate and the joint cover to the centre gripping is fixed the inner circle steel sheet, the outer end slidable mounting of joint cover has the slider, in order to fix the hem laminating of outer lane steel sheet at the outer end side of joint cover.

As a further scheme of the utility model: the joint sleeve comprises a ring body and plugboards integrally arranged at two sides of the inner end of the ring body, wherein the plugboards at two sides are respectively inserted into interlayers of the first pipe body and the second pipe body and are attached to one side of an inner ring steel plate; the annular distribution is equipped with spacing hole on the ring body, the clamp plate middle part is fixed to be equipped with spacing post, is equipped with the screw in the spacing post, spacing post slides and inserts to establish in spacing hole to set up on the ring body through the screw fixation, through the clearance between rotatory screw adjustment clamp plate and the picture peg, thereby fix the inner circle steel sheet centre gripping of first body and second body between clamp plate and picture peg.

As a further scheme of the utility model: the limiting column is of a polygonal structure, and the limiting hole is matched with the limiting column, so that the limiting column slides in the limiting hole, the limiting column can be prevented from rotating, and the pressing plate extrudes the inner ring steel plate to be attached and fixed with the plugboard.

As a further scheme of the utility model: the outer end of the ring body is provided with a plurality of groups of guide pieces in an annular distribution corresponding to the sliding parts, each guide piece comprises guide rails symmetrically arranged on two sides of the joint sleeve and a positioning plate fixedly arranged on one side of each guide rail, each positioning plate is provided with two positioning holes corresponding to two groups of guide rails in parallel, the inner side of each guide rail is provided with a guide groove, the inner side wall of each guide groove is of a slope-shaped inclined structure, and the inner wall of each guide groove protrudes gradually towards one side of each positioning plate.

As a further scheme of the utility model: the sliding part comprises a sliding block which is slidably arranged on the pressure guide rail and a flitch which is integrally arranged at the outer end of the sliding block, wherein a locking plate is vertically arranged at the outer end of the sliding block, the sliding block is fixedly connected with the positioning plate through a bolt, a sliding groove is arranged on the sliding block corresponding to the pressure guide rail, and a clamping block which is inserted into the guiding groove is arranged in the sliding groove.

As a further scheme of the utility model: the outer ring steel plate and the inner ring steel plate are galvanized steel plates, and the heat insulation layer is aluminum silicate cotton.

Compared with the prior art, the utility model has the beneficial effects that: the flashboard in the device is inserted into an interlayer between the outer ring steel plate and the inner ring steel plate, and the inner ring steel plate is attached to the flashboard through the pressing plate, so that the joint tightness is improved. The sliding part is slidably arranged on the pressure guide rail, and the sliding part can be pushed to move through the rotary bolt so as to squeeze the folded edge of the outer ring steel plate through the flitch, thereby fixedly arranging the outer ring steel plate on the joint sleeve. The device simple structure, the butt joint is firm, and is thermal-insulated effectual, and be convenient for later stage dismantlement.

Drawings

FIG. 1 is a schematic view of an assembled structure of the present utility model;

FIG. 2 is a schematic view of a pipe joint according to the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2 at A;

FIG. 4 is a schematic view of a joint sleeve according to the present utility model;

the marks in the figure are as follows: 1. a first tube body; 2. a second tube body; 3. a pipe joint; 4. a joint sleeve; 5. a slider; 11. an outer ring steel plate; 12. an inner ring steel plate; 13. a thermal insulation layer; 14. the method comprises the steps of carrying out a first treatment on the surface of the 31. A pressing plate; 41. a ring body; 42. inserting plate; 43. a limiting hole; 44. a screw; 45. a pressure guide rail; 46. a positioning plate; 47. a guide groove; 51. pasting a board; 52. a slide block; 53. a locking plate.

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the implementation, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in figures 1 to 4 of the drawings,

the embodiment provides a double-layer heat-insulating spiral duct, which comprises a first duct body 1, a second duct body 2 and a duct joint 3 for connecting the first duct body 1 and the second duct body 2, wherein the duct walls of the first duct body 1 and the second duct body 2 respectively comprise an outer ring steel plate 11 and an inner ring steel plate 12, a heat insulation layer 13 is clamped between the outer ring steel plate 11 and the inner ring steel plate 12, the duct joint 3 comprises a joint sleeve 4 inserted and installed between the first duct body 1 and the second duct body 2, pressing plates 31 are adjustably installed in the inner cavity of the joint sleeve 4, the pressing plates 31 are annularly distributed and installed in the inner cavity of the joint sleeve 4, the inner ring steel plate 12 is clamped and fixed through adjusting gaps between the pressing plates 31 and the joint sleeve 4, and a sliding piece 5 is slidably installed at the outer end of the joint sleeve 4 so as to fixedly attach a hem 14 of the outer ring steel plate 11 to the outer end side of the joint sleeve 4.

In this embodiment, the joint sleeve 4 includes a ring 41 and insert plates 42 integrally disposed at two sides of the inner end of the ring 41, where the insert plates 42 at two sides are respectively inserted into the interlayers of the first pipe body 1 and the second pipe body 2 and attached to one side of the inner ring steel plate 12; limiting holes 43 are distributed on the ring body 41 in an annular mode, limiting columns are fixedly arranged in the middle of the pressing plate 31, screw holes are formed in the limiting columns, the limiting columns are inserted into the limiting holes 43 in a sliding mode and fixedly arranged on the ring body 41 through screws 44, gaps between the pressing plate 31 and the inserting plate 42 are adjusted through rotating the screws 44, and therefore the inner ring steel plates 12 of the first pipe body 1 and the second pipe body 2 are clamped and fixed between the pressing plate 31 and the inserting plate 42. The limit posts are polygonal, the limit holes 43 are correspondingly matched with the limit posts, so that the limit posts slide in the limit holes 43, and the limit posts can be prevented from rotating, and the press plate 31 presses the inner ring steel plate 12 to be attached and fixed with the plugboard 42.

In this embodiment, the outer end of the ring 41 is provided with a plurality of groups of guiding elements corresponding to the sliding elements 5 in an annular distribution manner, the guiding elements comprise guiding and pressing rails 45 symmetrically arranged at two sides of the joint sleeve 4, and a positioning plate 46 fixedly arranged at one side of the guiding and pressing rails 45, the positioning plate 46 is provided with two positioning holes corresponding to two groups of guiding and pressing rails 45 in parallel, the inner side of the guiding and pressing rails 45 is provided with a guiding groove 47, the inner side wall of the guiding groove 47 is of a slope-shaped inclined structure, and the inner wall of the guiding groove 47 gradually protrudes towards one side of the positioning plate 46. The sliding part 5 comprises a sliding block 52 which is slidably arranged on the pressure guide rail 45 and a pasting plate 51 which is integrally arranged at the outer end of the sliding block 52, wherein a locking plate 53 is vertically arranged at the outer end of the sliding block 52 and is fixedly connected with the positioning plate 46 through a bolt, the sliding block 52 is provided with a sliding groove corresponding to the pressure guide rail 45, and a clamping block which is inserted into the guiding groove 47 is arranged in the sliding groove. Specifically, the sliding block 52 slides to the positioning plate 46 side on the pressure guide rail 45, and the guide groove 47 gradually protrudes outwards, so that the sliding part 5 gradually moves inwards, the flange plate 51 fixedly clamps the folded edge 14 on the outer side of the outer ring steel plate 11 at the outer end of the ring body 41, the sliding part 5 fixedly connects the lock plate 53 with the positioning plate 46 through the bolt, and the bolt can be rotated, so that the lock plate 53 is close to the positioning plate 46, and the clamping force of the flange plate 51 on the folded edge 14 is improved.

In this embodiment, the outer ring steel plate 11 and the inner ring steel plate 12 are galvanized steel plates, and the heat insulating layer 13 is aluminum silicate wool.

The working principle of the utility model is as follows: the plugboards 42 on two sides of the joint sleeve 4 are respectively inserted into the interlayer of the first pipe body 1 and the second pipe body 2 and are close to the inner ring steel plate 12, and a person can rotate the screw 44, so that the pressing plate 31 presses the inner ring steel plate 12 to clamp and fix the inner ring steel plate 12 by matching with the inner cavity wall of the ring body 41. The outer ring steel plate 11 is attached to the ring body 41 through the integrally arranged folded edge 14, the sliding part 5 is slidably arranged on the pressure guide rail 45, the attaching plate 51 is abutted to the outer end of the folded edge 14, the locking plate 53 is connected with the positioning plate 46 through bolts, a person can enable the locking plate 53 to be gradually close to the positioning plate 46 through rotating the bolts, and the attaching plate 51 extrudes the folded edge 14 under the pushing of the guide groove 47 and clamps and fixes the outer ring steel plate 11 in cooperation with the ring body 41.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof. It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a double-deck adiabatic spiral duct, includes first body and second body, is used for connecting the pipe joint piece of first body and second body, the pipe wall of first body and second body includes outer lane steel sheet and inner circle steel sheet respectively, it is equipped with the insulating layer to press from both sides between outer lane steel sheet and the inner circle steel sheet, its characterized in that: the pipe connector comprises a joint sleeve inserted and arranged between a first pipe body and a second pipe body, a pressing plate is adjustably arranged in the inner cavity of the joint sleeve, the pressing plate is annularly arranged in the inner cavity of the joint sleeve, the inner ring steel plate is clamped and fixed by adjusting a gap between the pressing plate and the joint sleeve, and a sliding part is slidably arranged at the outer end of the joint sleeve so as to fixedly attach a folded edge of the outer ring steel plate to the outer end side of the joint sleeve.

2. A double-deck insulated spiral duct according to claim 1, wherein: the joint sleeve comprises a ring body and plugboards integrally arranged at two sides of the inner end of the ring body, wherein the plugboards at two sides are respectively inserted into interlayers of the first pipe body and the second pipe body and are attached to one side of an inner ring steel plate; the annular distribution is equipped with spacing hole on the ring body, the clamp plate middle part is fixed to be equipped with spacing post, is equipped with the screw in the spacing post, spacing post slides and inserts to establish in spacing hole to set up on the ring body through the screw fixation, rotatory screw adjusts the clearance between clamp plate and the picture peg, thereby fix the inner circle steel sheet centre gripping of first body and second body between clamp plate and picture peg.

3. A double-deck insulated spiral duct according to claim 2, wherein: the limit column is of a polygonal structure, and the limit hole is matched with the limit column, so that the limit column slides in the limit hole and can be prevented from rotating.

4. A double-deck insulated spiral duct according to claim 2, wherein: the outer end of the ring body is provided with a plurality of groups of guide pieces in an annular distribution corresponding to the sliding parts, each guide piece comprises guide rails symmetrically arranged on two sides of the joint sleeve and a positioning plate fixedly arranged on one side of each guide rail, each positioning plate is provided with two positioning holes corresponding to two groups of guide rails in parallel, the inner side of each guide rail is provided with a guide groove, the inner side wall of each guide groove is of a slope-shaped inclined structure, and the inner wall of each guide groove protrudes gradually towards one side of each positioning plate.

5. The double-deck insulated ducted air duct of claim 4, wherein: the sliding part comprises a sliding block which is slidably arranged on the pressure guide rail and a flitch which is integrally arranged at the outer end of the sliding block, wherein a locking plate is vertically arranged at the outer end of the sliding block, the sliding block is fixedly connected with the positioning plate through a bolt, a sliding groove is arranged on the sliding block corresponding to the pressure guide rail, and a clamping block which is inserted into the guiding groove is arranged in the sliding groove.

6. A double-deck insulated spiral duct according to claim 1, wherein: the outer ring steel plate and the inner ring steel plate are galvanized steel plates, and the heat insulation layer is aluminum silicate cotton.