Heat insulation smoke prevention and exhaust air pipe device convenient and fast to install
The innovative design of pre-fabricated cavities and spring-loaded rods in smoke exhaust pipes addresses connection instability by ensuring secure and rapid installation, maintaining structural integrity.
Patent Information
- Application Number
- CN202422552743.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-10-22
AI Technical Summary
The existing smoke exhaust ducts increase with the use time during installation, and the connecting support structure is prone to bend, resulting in the problem of insolid connection.
An air duct device including a second reserved cavity and a third reserved cavity is designed, and a first and second connecting support rod are provided inside. The support rod is rotatably connected to the air duct through a rotating shaft body, and is equipped with a telescopic rod member and a spring telescopic rod. When installed, the support rod extends out of the cavity and is fixed in the reserved adjustment groove to provide stable support.
It realizes convenient and rapid installation of the air duct device, avoids bending of the support structure caused by long-term use, and ensures the firmness and stability of the connection.
Smart Images

Figure CN223105511U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air duct installation, and particularly relates to a heat-insulating and smoke-exhaust air duct device with convenient and rapid installation. Background Technique
[0002] An air duct is a pipeline system used for air transportation and distribution. There are two types: composite air ducts and inorganic air ducts. The composite air duct is represented by the Durkduct air duct. It can be classified according to the cross-sectional shape and material. The production of stainless steel air ducts is to apply sealant (such as neutral silicone sealant) at the joints such as the bite seams, rivet seams, and the four corners of the flange flanging.
[0003] For example, the publication number is CN213685616U, and the Chinese authorized patent name is (A New Type of Smoke Exhaust and Fire-Resistant Air Duct), including: a device main body, the device main body includes an air duct main body, a protection mechanism is arranged inside the air duct main body, the protection mechanism includes a sealing layer and a heat-insulating layer, a sealing layer is arranged inside the air duct main body, a heat-insulating layer is arranged inside the sealing layer, a wear-resistant layer is arranged on the surface of the heat-insulating layer, a pipe wall is arranged on the surface of the wear-resistant layer, installation mechanisms are arranged on both sides of the air duct main body, and the installation mechanism includes a chute and a slider. Through the arrangement of the pipe wall, wear-resistant layer, heat-insulating layer and sealing layer, the device seals the smoke inside the device during use, insulates the outer wall of the pipe wall, so that the device has the effect of heat resistance and fire resistance during use, making the device more efficient during use, greatly increasing the efficiency of the device during use, and increasing the service life of the device.
[0004] However, when the existing smoke exhaust air ducts are installed, with the increase of the service time, the connection support structure is bent, resulting in the problem of insecure connection; therefore, it does not meet the existing requirements, and for this reason, we propose a heat-insulating and smoke-exhaust air duct device with convenient and rapid installation. Content of the Utility Model
[0005] The purpose of the utility model is to provide a heat-insulating and smoke-exhaust air duct device with convenient and rapid installation, so as to solve the problem that when the existing smoke exhaust air ducts are installed, with the increase of the service time, the connection support structure is bent, resulting in the problem of insecure connection as mentioned in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: a heat-insulating and smoke-exhaust air duct device with convenient and rapid installation, including: an air duct device main body, external disks are arranged on the outer sides of both ends of the air duct device main body, and there are two external disks, and both external disks are welded to the air duct device main body;
[0007] It further includes:
[0008] The second reserved cavity is installed inside both ends on the outer wall of the main body of the air duct device. There are four second reserved cavities, and a third reserved cavity is arranged below each of the four second reserved cavities;
[0009] The second connecting support rod is installed inside the four second reserved cavities. One end of the second connecting support rod is rotatably connected to the main body of the air duct device through a second rotating shaft body. A first connecting support rod is arranged inside the third reserved cavity. The other end of the second connecting support rod is provided with a telescopic member. One end of the telescopic member penetrates and extends into the second connecting support rod. The telescopic member is elastically telescopic and fixed to the second connecting support rod through a spring telescopic rod, and one end of the spring telescopic rod is elastically fixedly connected inside the spring telescopic rod.
[0010] Preferably, one end of the first connecting support rod is rotatably connected to the main body of the air duct device through a first rotating shaft body. A handle groove is arranged on the outer wall of the other end of the first connecting support rod, and the handle groove is integrally formed with the first connecting support rod.
[0011] Preferably, mounting reserved holes are arranged on the upper side of the end face of the first connecting support rod, and there are two mounting reserved holes. A reserved adjustment groove is arranged on one side of the two mounting reserved holes, and there are three reserved adjustment grooves. The two mounting reserved holes and the three mounting reserved holes are all integrally formed with the first connecting support rod.
[0012] Preferably, a first reserved cavity is arranged inside one side of the main body of the air duct device, and an observation window is arranged inside the first reserved cavity. The observation window is embedded and fixedly connected in the first reserved cavity.
[0013] Preferably, a conveying cavity is arranged inside the main body of the air duct device, and threaded mounting holes are arranged inside both of the two external connection plates.
[0014] Preferably, heat-resistant layers are arranged around the inner wall of the main body of the air duct device.
[0015] Compared with the prior art, the beneficial effects of the present utility model are:
[0016] 1. In the utility model, the first connecting support rod and the second connecting support rod are arranged inside the second reserved cavity and the third reserved cavity, and the installation reserved holes, reserved adjustment grooves, telescopic rod members and spring telescopic rods are arranged on the first connecting support rod and the second connecting support rod. When the main body of the air duct device is installed and fixed, the first connecting support rod and the second connecting support rod are respectively rotated out from the inside of the second reserved cavity and the third reserved cavity. The first connecting support rod is connected to the screw mechanism installation component at the external installation position. After the installation is completed, the telescopic rod member inside the second connecting support rod is extended, and the spring telescopic rod can fix the lengths of the telescopic rod member and the second connecting support rod. Thus, the end of the telescopic rod member is fixed inside the reserved adjustment groove to provide a supporting force for the first connecting support rod, avoiding the problem that the connection support structure of the existing smoke exhaust air duct is bent and the connection is not firm during the installation with the increase of the service time. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 is a schematic top view of the unfolded first connecting support rod of the utility model;
[0019] Figure 3 is a schematic side view of the overall device with the first connecting support rod and the second connecting support rod unfolded of the utility model;
[0020] Figure 4 is an enlarged schematic view of the structure at A of the utility model;
[0021] In the figure: 100, main body of the air duct device; 1001, heat-resistant layer; 101, external connection plate; 10101, threaded installation hole; 102, conveying cavity; 103, first reserved cavity; 104, observation window; 105, second reserved cavity; 106, third reserved cavity; 200, first connecting support rod; 201, installation reserved hole; 202, reserved adjustment groove; 203, first rotating shaft body; 204, handle groove; 300, second connecting support rod; 301, telescopic rod member; 302, spring telescopic rod; 303, second rotating shaft body. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.
[0023] Embodiment 1
[0024] Please refer to Figures 1-4, An embodiment provided by the present utility model: An installation - convenient and fast heat - insulation and smoke - exhaust air duct device, including: An air duct device main body 100, external connection plates 101 are arranged on the outer sides of both ends of the air duct device main body 100, and there are two external connection plates 101, and both of the two external connection plates 101 are welded and connected to the air duct device main body 100;
[0025] It further includes:
[0026] A second reserved cavity 105, which is installed inside the two - end parts on both sides of the outer wall of the air duct device main body 100. There are four second reserved cavities 105, and a third reserved cavity 106 is arranged below each of the four second reserved cavities 105;
[0027] A second connecting support rod 300, which is installed inside the four second reserved cavities 105. One end of the second connecting support rod 300 is rotationally connected to the air duct device main body 100 through a second rotating shaft body 303. A first connecting support rod 200 is arranged inside the third reserved cavity 106. The other end of the second connecting support rod 300 is provided with a telescopic member 301. One end of the telescopic member 301 penetrates and extends into the second connecting support rod 300. The telescopic member 301 is elastically telescopic and fixed to the second connecting support rod 300 through a spring telescopic rod 302. One end of the spring telescopic rod 302 is elastically fixed to the inside of the spring telescopic rod 302.
[0028] When the air duct device main body 100 is installed and fixed, the first connecting support rod 200 and the second connecting support rod 300 are respectively rotated out from inside the second reserved cavity 105 and the third reserved cavity 106. The first connecting support rod 200 is connected to a screw mechanism installation component at the external installation position. After the installation is completed, the telescopic member 301 inside the second connecting support rod 300 is extended and fixed inside the reserved adjustment groove 202 to provide a supporting force for the first connecting support rod 200.
[0029] Embodiment 2
[0030] Please refer to Figure 1 and Figure 4 , One end of the first connecting support rod 200 is rotationally connected to the air duct device main body 100 through a first rotating shaft body 203. A handle groove 204 is arranged on the outer wall of the other end of the first connecting support rod 200, and the handle groove 204 is integrally formed with the first connecting support rod 200.
[0031] The setting of the handle groove 204 enables convenient grasping when the first connecting support rod 200 is rotated and taken.
[0032] Please refer to Figure 2, on the upper side of the end face of the first connecting support rod 200, there are installation reserved holes 201, and there are two installation reserved holes 201. On one side of the two installation reserved holes 201, there is a reserved adjustment groove 202, and there are three reserved adjustment grooves 202. The two installation reserved holes 201 and the three installation reserved holes 201 are integrally formed with the first connecting support rod 200.
[0033] The setting of the installation reserved holes 201 can provide an installation position for the connection of the device, and the set reserved adjustment grooves 202 can be adjusted according to the horizontal angle.
[0034] Please refer to Figure 1 , inside one side of the main body 100 of the air duct device, there is a first reserved cavity 103. Inside the first reserved cavity 103, there is an observation window 104. The observation window 104 is embedded and installed in the first reserved cavity 103 and is fixedly connected. Inside the main body 100 of the air duct device, there is a conveying cavity 102. Inside both of the two external connection disks 101, there are threaded installation holes 10101.
[0035] The set observation window 104 allows the staff to directly observe the internal situation from the outside.
[0036] Please refer to Figure 3 , on the four sides of the inner wall of the main body 100 of the air duct device, there are heat-resistant layers 1001.
[0037] The setting of the heat-resistant layers 1001 can effectively protect the main body 100 of the air duct device and prevent the discharged hot gas from damaging the inner wall of the main body 100 of the air duct device.
[0038] Working principle: When the main body 100 of the air duct device is installed and fixed, the first connecting support rod 200 and the second connecting support rod 300 are respectively rotated out from the inside of the second reserved cavity 105 and the third reserved cavity 106. The first connecting support rod 200 is connected to the screw mechanism installation component at the external installation position. After the installation is completed, then the telescopic member 301 inside the second connecting support rod 300 is extended and fixed inside the reserved adjustment groove 202. The corresponding reserved adjustment groove 202 can be selected according to different horizontal angles, which can effectively support the position of the first connecting support rod 200 and prevent the first connecting support rod 200 from sagging due to long-term gravity and causing bending.
[0039] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.
Claims
1. An air duct device with convenient and fast installation for heat insulation and smoke exhaust, comprising a main body of the air duct device (100). On the outer sides of both ends of the main body of the air duct device (100), there are external connection plates (101), and there are two external connection plates (101). Both of the two external connection plates (101) are welded to the main body of the air duct device (100). It is characterized in that: It further includes: Second reserved cavities (105), which are installed inside the two ends on both sides of the outer wall of the main body of the air duct device (100). There are four second reserved cavities (105), and below each of the four second reserved cavities (105), there is a third reserved cavity (106). Second connecting support rods (300), which are installed inside the four second reserved cavities (105). One end of the second connecting support rod (300) is rotatably connected to the main body of the air duct device (100) through a second rotating shaft body (303). Inside the third reserved cavity (106), there is a first connecting support rod (200). The other end of the second connecting support rod (300) is provided with a telescopic member (301). One end of the telescopic member (301) penetrates and extends into the second connecting support rod (300). The telescopic member (301) is elastically telescopic and fixed to the second connecting support rod (300) through a spring telescopic rod (302). One end of the spring telescopic rod (302) is elastically fixed inside the spring telescopic rod (302).
2. The installation-convenient and fast heat-insulating and smoke-exhausting air duct device according to claim 1, characterized in that: One end of the first connecting support rod (200) is rotatably connected to the main body of the air duct device (100) through a first rotating shaft body (203). On the outer wall of the other end of the first connecting support rod (200), there is a handle groove (204), and the handle groove (204) is integrally formed with the first connecting support rod (200).
3. An installation-convenient and fast heat-insulating and smoke-exhausting air duct device according to claim 1, characterized in that: On the upper side of the end face of the first connecting support rod (200), there are installation reserved holes (201), and there are two installation reserved holes (201). On one side of the two installation reserved holes (201), there is a reserved adjustment groove (202), and there are three reserved adjustment grooves (202). The two installation reserved holes (201) and the three installation reserved holes (201) are all integrally formed with the first connecting support rod (200).
4. The installation-convenient and rapid heat-insulating and smoke-exhausting air duct device according to claim 1, characterized in that: Inside one side of the main body of the air duct device (100), there is a first reserved cavity (103). Inside the first reserved cavity (103), there is an observation window (104). The observation window (104) is embedded and installed in the first reserved cavity (103) and fixedly connected.
5. The installation-convenient and fast heat-insulating and smoke-exhausting air duct device according to claim 1, characterized in that: Inside the main body of the air duct device (100), there is a conveying cavity (102). Inside both of the two external connection plates (101), there are threaded installation holes (10101).
6. The installation-convenient and fast heat-insulating and smoke-exhausting air duct device according to claim 1, characterized in that: On the four sides of the inner wall of the main body of the air duct device (100), there are heat-resistant layers (1001).
Citation Information
Patent Citations
Novel fire-resistant air pipe capable of preventing and exhausting smoke
CN213685616U