Fireproof air pipe with stable structure

Abstract

The utility model discloses a fireproof air pipe with a stable structure, and relates to the technical field of fireproof air pipes. The fireproof air pipe with the stable structure comprises air pipe main bodies and further comprises an outer supporting plate, an inner supporting plate is installed at the top end of the interior of each air pipe main body, an upper mounting plate is arranged above the joint of the two air pipe main bodies, and a lower mounting plate is arranged below the joint of the two air pipe main bodies; two sets of first clamping pieces are symmetrically arranged between the two air pipe bodies, and a second clamping piece is arranged between the two first clamping pieces. The utility model is used for supporting the upper part of the air duct main body, enhancing the rigidity of the air duct main body, avoiding sinking of the upper part caused by long-time use or accumulation of sundries on the upper part of the air duct main body, reducing the probability of deformation, prolonging the service life of the air duct main body, quickly completing the butt-joint installation of two adjacent air duct main bodies, improving the connection effect, avoiding falling off, and improving the production efficiency. The operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof air ducts, in particular to a fireproof air duct with a stable structure. Background Art

[0002] Fireproof duct is a pipe that can meet the requirements of fire resistance stability and integrity for a certain period of time, mainly used to prevent the spread of fire. It is made of synthetic materials (such as glass fiber and polymer), has high thermal insulation performance and non-combustibility, and can maintain its structural and functional characteristics in high temperature environment for a period of time without deformation or damage until the specified fire extinguishing time is reached.

[0003] Traditional fireproof air ducts are connected by flanges during use. Due to the large air volume, the size of the air duct is usually large. After the air duct is used for a long time, debris will accumulate on the upper part of the air duct, which can easily cause depression in the upper part of the air duct, affecting the overall use effect of the fireproof air duct. Therefore, we proposed a fireproof air duct with a stable structure to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a fireproof air duct with a stable structure, aiming to solve the problem that the air duct is large in size, and debris will accumulate on the upper part of the air duct after long-term use, which may easily cause depression in the upper part of the air duct and affect the overall use effect of the fireproof air duct.

[0005] The utility model is implemented as follows: a fireproof air duct with a stable structure includes an air duct main body and an outer support plate, wherein the outer support plate is installed on the outer top end of the air duct main body, and the inner support plate is installed on the inner top end of the air duct main body, the outer support plate and the inner support plate are both reinforcing rib plates, and mounting parts are installed on both ends of the inner support plate. The air duct main body is in the shape of a square cylinder, an upper mounting plate is arranged above the connection between the two air duct main bodies, and a lower mounting plate is arranged below the connection between the two air duct main bodies, two groups of first clamping parts are symmetrically arranged between the two air duct main bodies, and a second clamping part is arranged between the two first clamping parts for docking and installing the two air duct main bodies.

[0006] Furthermore, the air duct body includes an outer tube, a fireproof board layer and an inner tube, the inner tube is arranged inside the outer tube, the outer tube and the inner tube enclose an annular area, and the fireproof board layer is filled and arranged in the annular area.

[0007] Furthermore, the outer support plate is installed on the outer top of the outer tube, the inner support plate is installed on the inner top of the inner tube, and the two mounting parts are symmetrically installed at both ends of the inner tube.

[0008] Furthermore, the mounting member includes a connecting member and a convex plate, wherein the convex plate is mounted on the upper end of the connecting member by means of screws, and the convex plate is mounted on the end of the outer layer tube.

[0009] Furthermore, the connecting piece is fixedly installed in the inner tube, one end of the connecting piece is fixedly connected to the end of the inner support plate, and the other end extends to the outside of the inner tube, and the connecting piece is wrapped around the outside of the end of the inner tube.

[0010] Furthermore, the upper mounting plate is installed at one end outside the outer tube, and the lower mounting plate is installed at the other end at the bottom of the outer tube. The upper mounting plate and the lower mounting plate on the same air duct body are relatively far away from one end and extend to the outside of the air duct body, and the upper mounting plate is installed on one end of the outer support plate close to one end of the air duct body.

[0011] Furthermore, the first clamping member includes a slide plate, a clamping plate is mounted on the slide plate, the clamping plate is slidably connected to a fixed plate, the clamping plate is slidably connected to a clamping groove, and the clamping groove is provided on an upper surface of the fixed plate.

[0012] Furthermore, the second clamping component includes a first connecting plate, on which a linear array of protrusions are installed, the protrusions are clamped and connected to the second connecting plate, the protrusions are clamped with grooves, and the linear array of grooves is opened on the upper surface of the second connecting plate.

[0013] Furthermore, the cross-sections of the snap-in plate, snap-in groove, protrusion and groove are all dovetail-shaped, the slide plate is installed on the side of one end of the air duct body, the first connecting plate is installed on the bottom of one end of the air duct body, the fixing plate is installed on the side of the other end of the same air duct body, and the second connecting plate is installed on the bottom of the other end of the same air duct body.

[0014] Furthermore, two fixing hoops are symmetrically sleeved on the outside of the upper mounting plate and the lower mounting plate at the connection of the two air duct bodies, mounting blocks are installed on the upper ends of the two fixing hoops, hanging parts are installed on the mounting blocks, and a supporting block is installed between the lower ends of the two fixing hoops.

[0015] Compared with the prior art, the fireproof air duct with a stable structure provided by the utility model has the following beneficial effects:

[0016] The utility model plays a fire prevention role through the use of the outer tube, the fireproof board layer and the inner tube. The outer support plate, the inner support plate, the connecting piece and the convex plate are used to support the upper part of the air duct main body to enhance its rigidity, avoid long-term use or accumulation of debris on the upper part of the air duct main body, resulting in depression of the upper part, reduce the probability of deformation, and extend the service life of the air duct main body. The upper mounting plate, the lower mounting plate, the first clamping piece and the second clamping piece are used together, the structure is simple, and the docking installation of two adjacent air duct main bodies can be quickly completed. When used in combination with the fixing hoop, the mounting block, the supporting block and the hanging piece, the connection effect of the joint can be improved, and it can be avoided from falling off and is convenient for installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A schematic diagram of the structure from another perspective;

[0019] Figure 3 It is a structural schematic diagram of the mounting block and the hanging member of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the clamping plate and the fixing plate of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the fixing hoop and the mounting block of the utility model;

[0022] Figure 6 For this utility model Figure 5 A schematic diagram of the structure from another perspective;

[0023] Figure 7 It is a structural schematic diagram of the connecting piece and the convex plate of the utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0026] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0027] Reference Figure 1-7 As shown, it is a preferred embodiment provided by the utility model.

[0028] The fireproof air duct with a stable structure includes an air duct main body and an outer support plate 4. The outer support plate 4 is installed at the outer top of the air duct main body, and an inner support plate 5 is installed at the inner top of the air duct main body. The outer support plate 4 and the inner support plate 5 are both reinforcing rib plates to enhance the rigidity of the air duct main body and reduce the possibility of deformation. Mounting parts are installed at both ends of the inner support plate 5. The air duct main body is in the shape of a square cylinder. An upper mounting plate 8 is arranged above the connection between the two air duct main bodies, and a lower mounting plate 9 is arranged below the connection between the two air duct main bodies. Two groups of first clamping parts are symmetrically arranged between the two air duct main bodies, and a second clamping part is arranged between the two first clamping parts for docking and installing the two air duct main bodies.

[0029] Specifically, the air duct body includes an outer tube 1, a fireproof board layer 2 and an inner tube 3, the inner tube 3 is arranged inside the outer tube 1, and an annular area is formed between the outer tube 1 and the inner tube 3, and the fireproof board layer 2 is filled and arranged in the annular area, the outer support plate 4 is installed on the outer top of the outer tube 1, and the inner support plate 5 is installed on the inner top of the inner tube 3. The two mounting parts are symmetrically installed at both ends of the inner tube 3, and the mounting parts include a connecting part 6 and a convex plate 7, and the convex plate 7 is installed on the upper end of the connecting part 6 by screws. 7 is installed at the end of the outer tube 1, the connecting piece 6 is fixedly installed in the inner tube 3, one end of the connecting piece 6 is fixedly connected to the end of the inner support plate 5, and the other end extends to the outside of the inner tube 3, the connecting piece 6 is wrapped outside the end of the inner tube 3, the upper mounting plate 8 is installed at one end outside the outer tube 1, the lower mounting plate 9 is installed at the other end of the bottom of the outer tube 1, the upper mounting plate 8 and the lower mounting plate 9 on the same air duct body are relatively far away from one end and both extend to the outside of the air duct body, and the upper mounting plate 8 is installed at one end of the outer support plate 4 close to one end of the air duct body.

[0030] The fireproof board layer 2 is set to prevent fire, and the outer support plate 4 and the upper support plate 8 are welded and installed on the outer tube 1. One end of the outer support plate 4 is welded and connected to one end of the upper support plate 8, and the inner support plate 5 is welded and installed on the inner top of the inner tube 3. Two connecting pieces 6 are relatively close to one end and are respectively welded and connected to the two ends of the inner support plate 5. The two connecting pieces 6 are welded and installed at the two ends of the inner tube 3. The convex plate 7 is welded and installed above the end of the outer tube 1 for connecting with the connecting piece 6. The lower mounting plate 9 on the same air duct main body is welded and installed at the other end of the bottom of the outer tube 1. Through the setting of the outer support plate 4, the inner support plate 5, the connecting piece 6 and the convex plate 7, the overall rigidity of the air duct main body is enhanced to avoid objects accumulating on the top of the air duct main body, which causes the upper part of the air duct main body to be concave and deformed. The upper mounting plate 8, the lower mounting plate 9, the first clamping piece and the second clamping piece are used to dock and connect the two air duct main bodies, which is convenient to operate and can quickly complete the docking.

[0031] Specifically, the first clamping member includes a slide plate 10, on which a clamping plate 11 is installed, and the clamping plate 11 is slidably connected to a fixed plate 12, and the clamping plate 11 is slidably connected to a clamping groove 13, and the clamping groove 13 is arranged on the upper surface of the fixed plate 12, and the second clamping member includes a first connecting plate 14, on which a linear array of protrusions 15 are installed, and the protrusions 15 are clamped and connected to a second connecting plate 16, and the protrusions 15 are clamped to grooves 17, and the grooves 17 are linearly arranged on the upper surface of the second connecting plate 16, and the cross-sections of the clamping plate 11, the clamping groove 13, the protrusions 15 and the grooves 17 are all dovetail-shaped, and the slide plate 10 is installed on the side of one end of the air duct body, the first connecting plate 14 is installed on the bottom edge of one end of the air duct body, the fixed plate 12 is installed on the side of the other end of the same air duct body, and the second connecting plate 16 is installed on the bottom edge of the other end of the same air duct body.

[0032] In this embodiment, the slide plate 10 and the clamping plate 11 are an integral structure, the first connecting plate 14 and the protrusion 15 are an integral structure, the slide plate 10 and the first connecting plate 14 are welded and installed on one end of the air duct body, the fixed plate 12 and the second connecting plate 16 are welded and installed on the other end of the same air duct body, and there are multiple protrusions 15 and grooves 17. Through the dovetail shape setting, the effect of the clamping connection is improved and it is not easy to fall off, thereby improving the connection effect between the two air duct bodies. The upper mounting plate 8 is arranged above the end of the air duct body where the slide plate 10 and the clamping plate 11 are installed, and the lower mounting plate 9 is arranged below the end of the air duct body where the fixed plate 12 and the second connecting plate 16 are installed.

[0033] Specifically, two fixing hoops 18 are symmetrically sleeved on the outside of the upper mounting plate 8 and the lower mounting plate 9 at the connection of the two air duct bodies, and mounting blocks 19 are installed on the upper ends of the two fixing hoops 18. A hanging piece 21 is installed on the mounting block 19, and a support block 20 is installed between the lower ends of the two fixing hoops 18.

[0034] In this embodiment, the fixing hoop 18 is divided into two halves, which are connected by bolts. The upper ends of the two fixing hoops 18 are welded to the mounting block 19, and the lower ends of the two fixing hoops 18 are welded to the support block 20. The hanging member 21 is installed on the mounting block 19 by screws. The mounting block 19 and the support block 20 are both reinforcing plates, which are used to tighten the upper mounting plate 8 and the lower mounting plate 9 at the connection of the two air duct bodies, further enhancing the connection effect of the connection, and the connection can be suspended at this location through the hanging member 21.

[0035] When in use, one end of the duct body on which the slide plate 10 and the first connecting plate 14 are installed is directed toward one end of the adjacent duct body on which the fixing plate 12 and the second connecting plate 16 are installed, so that the clamping plate 11 at one end of the duct body is aligned with the clamping groove 13 at that end of the adjacent duct body from above, and at the same time, the protrusion 15 at one end of the duct body is aligned with the groove 17 at that end of the adjacent duct body, and the duct body is slowly moved downward, so that the clamping plate 11 slides down from top to bottom into the clamping groove 13 until it can no longer move downward, at which time the protrusion 15 is clamped in the groove 17, and the duct body is The extended portion of the upper mounting plate 8 on the main body fits with the upper end of the adjacent air duct main body, and the extended portion of the lower mounting plate 9 at the bottom of the adjacent air duct main body fits with the lower end of the air duct main body to ensure the sealing effect of the connection. Then, two fixing hoops 18 are sleeved on the upper mounting plate 8 and the outside of the lower mounting plate 9 at the connection, and the bolts are tightened to complete the docking installation of the two air duct main bodies. The operation can be repeated with the air duct main body. Through the set hanging part 21, it is connected to the top of the building with screws, and the connection of the two air duct main bodies can be hoisted.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fireproof air duct with a stable structure, comprising an air duct body, characterized in that: It also includes an outer support plate, which is installed on the outer top of the air duct body, and an inner support plate is installed on the inner top of the air duct body. The outer support plate and the inner support plate are both reinforcing rib plates, and mounting parts are installed on both ends of the inner support plate. The air duct body is in the shape of a square cylinder, an upper mounting plate is arranged above the connection between the two air duct bodies, and a lower mounting plate is arranged below the connection between the two air duct bodies. Two groups of first clips are symmetrically arranged between the two air duct bodies, and a second clip is arranged between the two first clips for docking and installing the two air duct bodies.

2. The structurally stable fireproof air duct according to claim 1, characterized in that: The air duct body includes an outer tube, a fireproof board layer and an inner tube. The inner tube is arranged inside the outer tube. The outer tube and the inner tube enclose a ring area, and the fireproof board layer is filled in the ring area.

3. The structurally stable fireproof air duct according to claim 2 is characterized in that: The outer support plate is installed at the outer top of the outer tube, the inner support plate is installed at the inner top of the inner tube, and the two mounting parts are symmetrically installed at both ends of the inner tube.

4. The structurally stable fireproof air duct according to claim 3 is characterized in that: The mounting member comprises a connecting member and a convex plate, wherein the convex plate is mounted on the upper end of the connecting member by means of screws, and the convex plate is mounted on the end of the outer layer tube.

5. The structurally stable fireproof air duct according to claim 4, characterized in that: The connecting piece is fixedly installed in the inner tube, one end of the connecting piece is fixedly connected to the end of the inner support plate, and the other end extends to the outside of the inner tube, and the connecting piece is wrapped around the outside of the end of the inner tube.

6. The structurally stable fireproof air duct according to claim 2, characterized in that: The upper mounting plate is installed at one end outside the outer tube, and the lower mounting plate is installed at the other end at the bottom of the outer tube. The upper mounting plate and the lower mounting plate on the same air duct body are relatively far away from one end and extend to the outside of the air duct body, and the upper mounting plate is installed at one end of the outer support plate close to one end of the air duct body.

7. The structurally stable fireproof air duct according to claim 1, characterized in that: The first clamping member comprises a slide plate, a clamping plate is mounted on the slide plate, the clamping plate is slidably connected to a fixing plate, the clamping plate is slidably connected to a clamping groove, and the clamping groove is arranged on the upper surface of the fixing plate.

8. The structurally stable fireproof air duct according to claim 7, characterized in that: The second clamping component includes a first connecting plate, on which a linear array of protrusions is installed, the protrusions are clamped and connected to the second connecting plate, the protrusions are clamped with grooves, and the linear array of grooves is opened on the upper surface of the second connecting plate.

9. The structurally stable fireproof air duct according to claim 8, characterized in that: The cross-sections of the clamping plate, clamping groove, protrusion and groove are all dovetail-shaped. The slide plate is installed on the side of one end of the air duct body, the first connecting plate is installed on the bottom of one end of the air duct body, the fixing plate is installed on the side of the other end of the same air duct body, and the second connecting plate is installed on the bottom of the other end of the same air duct body.

10. The structurally stable fireproof air duct according to claim 1, characterized in that: Two fixing hoops are symmetrically sleeved on the outer sides of the upper mounting plate and the lower mounting plate at the connection of the two air duct bodies, mounting blocks are installed on the upper ends of the two fixing hoops, hanging parts are installed on the mounting blocks, and a supporting block is installed between the lower ends of the two fixing hoops.

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