Ventilation pipeline with heat preservation structure

Abstract

The utility model relates to the technical field of ventilating ducts, in particular to a ventilating duct with a heat preservation structure, which comprises an outer cylinder, a connecting inner cylinder is slidably arranged in the outer cylinder, the connecting inner cylinder comprises a movable inner cylinder slidably arranged in the outer cylinder, the upper end and the lower end of the movable inner cylinder are respectively provided with a connecting groove, and the inner side wall of each connecting groove is fixedly connected with a sealing block. The side, close to the outer cylinder, of the sealing block is fixedly connected with an inserting rod, the upper end and the lower end of the inner side wall of the outer cylinder are fixedly connected with connecting ribs, the two sides of each connecting rib are fixedly connected with limiting blocks, the inner side walls of the limiting blocks are provided with limiting holes, the inner side walls of the limiting holes are fixedly connected with rubber rings, and the inserting rod and the limiting holes are in an inserting connection relation. The outer barrel is matched with the connecting inner barrel, the limiting holes are matched with the inserting rods to achieve connection of the outer barrel and the connecting inner barrel, the connecting position is hidden through matching of the sealing blocks and the limiting blocks, and the problems that the sealing performance is damaged and disassembly and assembly are hindered due to bolt connection are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation duct with heat preservation structure. BACKGROUND

[0002] Ventilation ducts are widely used in the field of construction, especially in some large-scale shopping malls, hotels, office buildings, hospitals and the like. As long as the building is high-rise, a ventilation duct is indispensable, and the ventilation duct used for connecting structures such as air conditioners often needs certain heat preservation function to reduce energy consumption.

[0003] After searching, a ventilation duct with publication number CN 215981454 U is disclosed: the utility model relates to ventilation duct technical field, concretely is a double -layer high temperature -resisting formula prevents and discharges smoke fire -resistant heat preservation ventilation duct, including heat preservation cylinder and ventilation duct, the outer metal heat preservation cylinder inner chamber side wall is provided with installation groove along the heat preservation cylinder length direction, the ventilation duct outer wall is provided with the installation strip that cooperates with the installation groove, the ventilation duct is inserted in the heat preservation cylinder through the cooperation of installation strip and installation groove, the heat preservation cylinder outer wall front and back two ends are provided with fixed assembly, and the ventilation duct is fixed through the fixed assembly between the heat preservation cylinder, the ventilation duct of the utility model can be inserted in the heat preservation cylinder through the cooperation of installation strip and installation groove when using, and is fixed through the fixed assembly, so that the effect of heat insulation, heat preservation can be achieved when using the ventilation duct, and the ventilation duct can also be conveniently taken down for cleaning when cleaning.

[0004] The above technical solution realizes the connection between the two layers of ventilation ducts through the nut and bolt during use. Under the influence of wind and rain, this connection mode is easily affected by the rust of the bolt or the impact of rainwater, thereby damaging the sealing property and hindering disassembly and assembly.

[0005] Therefore, it is necessary to invent a ventilation duct with heat preservation structure to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a ventilation duct with heat preservation structure, which reinforces the connection between the outer cylinder and the connecting inner cylinder to solve the problem of the rust of the bolt or the impact of rainwater affecting the firmness of the connection in the prior art, thereby damaging the sealing property and hindering disassembly and assembly.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A ventilating pipeline with heat preservation structure, including the outer tube, the inside of outer tube is slid and is connected with the inner tube, the inner tube includes the movable inner tube of sliding in the inside of outer tube, the upper and lower both ends of movable inner tube all are equipped with the connecting groove, the inner side wall of connecting groove is fixedly connected with the sealing block, the side fixedly connected with the plug rod of sealing block is close to the outer tube, the upper and lower both ends of outer tube inner side wall all are fixedly connected with the connecting rib, the both sides of connecting rib all are fixedly connected with the limit block, the inner side wall of limit block is equipped with the limit hole and the inner side wall of limit hole is fixedly connected with the rubber ring, the plug rod and limit hole are mutually inserted, hide the connecting place of outer tube and connecting inner tube to prevent its loosening influence sealing and dismounting.

[0008] Preferably, the inside of the connecting rib is slidably connected with a sealing strip, the sealing strip is fixedly connected to the upper and lower ends of the movable inner tube, the diameter of the end of the movable inner tube away from the outer tube is smaller than the diameter of the end of the movable inner tube close to the outer tube, thereby reducing the vibration at the air inlet and providing shockproof function by the sealing strip.

[0009] Preferably, the inner side wall of the outer tube is provided with a plurality of heat preservation filling layers, the heat preservation filling layers are arranged in a circular ring around the center of the outer tube, thereby increasing the heat preservation performance of the structure.

[0010] Preferably, the inner side wall of the movable inner tube is fixedly connected with a heat insulation layer, the inner side wall of the heat insulation layer is fixedly connected with a metal foil layer, thereby enhancing the functionality of the structure by the cooperation of the metal foil layer and the heat insulation layer.

[0011] Preferably, the inner side wall of the metal foil layer is fixedly connected with a threaded strip, the outer side wall of the threaded strip is sleeved with a sound-absorbing panel, thereby making the noise continuously reflect and dissipate by the cooperation of the threaded strip and the sound-absorbing panel.

[0012] Preferably, the inner side wall of the movable inner tube is provided with a sound-absorbing block, a plurality of sound-absorbing holes are formed in the surface of the sound-absorbing block, and a filter screen is mounted on one side of the sound-absorbing holes, thereby facilitating the cleaning of the inside of the movable inner tube.

[0013] In the above technical scheme, the utility model provides the technical effect and advantage:

[0014] By the cooperation of the outer tube and the connecting inner tube, by the cooperation of the connecting rib and the sealing strip, the preliminary connection of the outer tube and the sound-absorbing block is realized, and the space is reserved to realize the shockproof, at the same time, by the cooperation of the limit hole and the plug rod, the connection of the outer tube and the connecting inner tube is realized, and by the cooperation of the sealing block and the limit block, the connecting place is hidden, thereby reducing the influence of external factors on the connection, and further avoiding the problems of damaging the sealing and hindering the dismounting caused by the bolt connection;

[0015] Through cooperation of the soundproof board, the soundproof block and the threaded strip, the noise is continuously reflected in the interior of the threaded strip and is dissipated by cooperation of the soundproof board and the threaded strip, the heat preservation function of the structure is realized through cooperation of the heat preservation filling layer and the heat insulation layer, and the soundproof block blocks the dust blown from outside, so that the functionality of the structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 It is a whole first visual angle structural schematic view of the utility model;

[0018] Figure 2 It is a whole second visual angle structural schematic view of the utility model;

[0019] Figure 3 It is a whole third visual angle structural schematic view of the utility model;

[0020] Figure 4 It is a whole third visual angle structural schematic view of the utility model; Figure 1 It is an enlarged structural schematic view of A in the utility model;

[0021] Figure 5 It is an internal structural schematic view of the movable inner cylinder.

[0022] Explanation of reference signs:

[0023] 1, outer cylinder; 2, connecting inner cylinder; 201, movable inner cylinder; 202, connecting groove; 203, sealing block; 204, plug-in rod; 205, connecting rib; 206, limiting block; 207, limiting hole; 208, sealing strip; 3, heat preservation filling layer; 4, soundproof board; 5, soundproof block; 6, threaded strip; 7, metal foil layer; 8, heat insulation layer. DETAILED DESCRIPTION

[0024] In order to make those skilled in the art better understand the technical solutions of the utility model, the utility model will be further described in detail in combination with the drawings.

[0025] The utility model provides a Figures 1-5The utility model discloses a ventilating duct with heat preservation structure, including outer tube 1, the inside sliding of outer tube 1 is connected inner tube 2, and connected inner tube 2 includes the movable inner tube 201 of sliding in the inside of outer tube 1, and the upper and lower both ends of movable inner tube 201 are all set up the connecting groove 202 of the inner side wall, and the inner side wall of connecting groove 202 is fixedly connected with the sealing block 203, and the side fixedly connected with the plug-in rod 204 of sealing block 203 is close to outer tube 1, and the upper and lower both ends of the inner side wall of outer tube 1 are all fixedly connected with the connecting rib 205, and the installation track of movable inner tube 201 is limited by connecting rib 205, and the both sides of connecting rib 205 are all fixedly connected with the limiting block 206, and the cooperation of limiting block 206 and sealing block 203 is limited to movable inner tube 201 and other parts, and the inner side wall of limiting block 206 is set up with the limiting hole 207 of the inner side wall fixedly connected with rubber ring, and the plug-in rod 204 and limiting hole 207 are mutually inserted, and the connection of outer tube 1 and connected inner tube 2 is realized by the insertion of plug-in rod 204 and limiting hole 207, and the rubber ring in limiting hole 207 is used to increase the connecting strength, and the connecting place of outer tube 1 and connected inner tube 2 is hidden to prevent its loosening from affecting sealing and dismounting, and the inside sliding of connecting rib 205 is sealed strip 208, and sealed strip 208 is fixedly connected to the upper and lower both ends of movable inner tube 201, and the diameter of the end of movable inner tube 201 away from outer tube 1 is less than the diameter of the end close to outer tube 1, to reduce the vibration of air hole and provide shockproof function by sealed strip 208, and rainwater objects can be guided to change direction to reduce the impact on movable inner tube 201, and the preliminary connection of outer tube 1 and sound-absorbing block 5 is realized by the cooperation of outer tube 1 and connected inner tube 2 and the cooperation of connecting rib 205 and sealed strip 208, and the space is reserved to realize shockproof, and the connection of outer tube 1 and connected inner tube 2 is realized by the cooperation of limiting hole 207 and plug-in rod 204, and the connecting place is hidden by the cooperation of sealing block 203 and limiting block 206, to reduce the influence of external factors on the connection, and further avoid the damage to sealing and the problem of hindering dismounting caused by bolt connection.

[0026] The accompanying drawings are referred to in the description of the utility model Figures 1-5The inner wall of the outer cylinder 1 is equipped with several sets of thermal insulation filling layers 3, which are arranged in a ring around the center of the outer cylinder 1 to increase the thermal insulation performance of the structure. The inner wall of the movable inner cylinder 201 is fixedly connected with a heat insulation layer 8, and the inner wall of the heat insulation layer 8 is fixedly connected with a metal foil layer 7. The metal foil layer 7 prevents the inside of the movable inner cylinder 201 from rusting. The cooperation between the metal foil layer 7 and the heat insulation layer 8 enhances the functionality of the structure. The inner wall of the metal foil layer 7 is fixedly connected with a threaded strip 6, and the outer wall of the threaded strip 6 is fitted with a sound-absorbing plate 4. The cooperation between the threaded strip 6 and the sound-absorbing plate 4 enhances the thermal insulation performance of the structure. To continuously reflect and dissipate noise, a sound-absorbing block 5 is provided on the inner wall of the movable inner cylinder 201. Several sets of sound-absorbing holes are opened on the surface of the sound-absorbing block 5. A filter screen is installed on one side of the sound-absorbing hole to facilitate cleaning of the inside of the movable inner cylinder 201. Through the cooperation of parts such as the sound-absorbing plate 4, the sound-absorbing block 5, and the threaded strip 6, the noise is continuously reflected and dissipated inside the threaded strip 6 by the cooperation of the sound-absorbing plate 4 and the threaded strip 6. The heat insulation function of the structure is achieved by the cooperation of the heat insulation filling layer 3 and the heat insulation layer 8. The sound-absorbing block 5 is used to block the dust blown in from the outside, thereby improving the functionality of the structure.

[0027] The working principle of this practical application is as follows:

[0028] Refer to the instruction manual appendix Figures 1-5 When it is necessary to install the outer cylinder 1 and the connecting inner cylinder 2, align the sealing strip 208 with the inside of the connecting rib 205, and push the movable inner cylinder 201 until the insertion rod 204 enters the inside of the limiting hole 207, thereby connecting the outer cylinder 1 and the connecting inner cylinder 2. The cooperation between the connecting rib 205 and the sealing strip 208 allows the sealing strip 208 to move at the connection point, thus reserving space for shock absorption. At the same time, the cooperation between the limiting hole 207 and the insertion rod 204 connects the outer cylinder 1 and the connecting inner cylinder 2. The cooperation between the sealing block 203 and the limiting block 206 hides the connection point, thereby reducing the impact of external factors on the connection. Furthermore, the movable inner cylinder 201 avoids the problems of bolt connection that damage its sealing performance and hinder disassembly and assembly.

[0029] After the outer cylinder 1 is connected to the inner cylinder 2, the noise is continuously reflected and dissipated inside the threaded strip 6 by the cooperation of the sound-absorbing plate 4 and the threaded strip 6. The heat insulation function of the structure is achieved by the cooperation of the heat insulation filling layer 3 and the heat insulation layer 8. The sound-absorbing block 5 blocks the dust blown in from the outside, so that the movable inner cylinder 201 can take out the dust inside after being pulled out of the outer cylinder 1, thereby reducing the cleaning steps and improving the functionality of the structure.

[0030] The above description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A ventilation duct with a heat-insulating structure, comprising an outer cylinder (1), characterized in that: The inner cylinder (2) is slidably connected inside the outer cylinder (1). The inner cylinder (2) includes a movable inner cylinder (201) that slides inside the outer cylinder (1). The upper and lower ends of the movable inner cylinder (201) are provided with connecting grooves (202). A sealing block (203) is fixedly connected to the inner wall of the connecting groove (202). A plug rod (204) is fixedly connected to the side of the sealing block (203) near the outer cylinder (1). The upper and lower ends of the inner wall of the outer cylinder (1) are fixedly connected with connecting ribs (205). Limiting blocks (206) are fixedly connected to both sides of the connecting ribs (205). A limiting hole (207) is opened on the inner wall of the limiting block (206), and a rubber ring is fixedly connected to the inner wall of the limiting hole (207). The plug rod (204) and the limiting hole (207) are plugged into each other.

2. A ventilation duct with a thermal insulation structure according to claim 1, characterized in that: A sealing strip (208) slides inside the connecting rib (205). The sealing strip (208) is fixedly connected to the upper and lower ends of the movable inner cylinder (201). The diameter of the end of the movable inner cylinder (201) away from the outer cylinder (1) is smaller than the diameter of the end of the movable inner cylinder (201) close to the outer cylinder (1).

3. A ventilation duct with a thermal insulation structure according to claim 1, characterized in that: The inner wall of the outer cylinder (1) is equipped with several sets of thermal insulation filling layers (3), and the thermal insulation filling layers (3) are arranged in a ring around the center of the outer cylinder (1).

4. A ventilation duct with a thermal insulation structure according to claim 1, characterized in that: The inner wall of the movable inner cylinder (201) is fixedly connected to a heat insulation layer (8), and the inner wall of the heat insulation layer (8) is fixedly connected to a metal foil layer (7).

5. A ventilation duct with a thermal insulation structure according to claim 4, characterized in that: The inner wall of the metal foil layer (7) is fixedly connected with a threaded strip (6), and the outer wall of the threaded strip (6) is fitted with a sound-absorbing plate (4).

6. A ventilation duct with a thermal insulation structure according to claim 1, characterized in that: The inner wall of the movable inner cylinder (201) is provided with a sound-absorbing block (5), and the surface of the sound-absorbing block (5) is provided with a number of sound-absorbing holes, and a filter screen is installed on one side of the sound-absorbing hole.

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