Smoke prevention and exhaust air pipe plate fixing assembly

By designing a plate fixing component of smoke-proof and exhaust air duct, using pallets, fixing grooves, slide chutes and other structures, the problems of loosening and rusting of the existing smoke-proof and exhaust air duct fixing connections are solved, and a more stable and flexible air duct installation is achieved.

CN222992357UActive Publication Date: 2025-06-17JIANGSU HUAFENG NEW MATERIAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421760613.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-06-17
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

The fixed connection method of the existing smoke-proof air duct has problems with bolts loose and rust, and the support device is simple in structure and has limitations during installation.

Method used

A smoke-proof and exhaust air duct plate fixing assembly is designed, including the air duct main body, mounting plate, pallet, fixing groove, hanging rod, slider, screw rod and limiting assembly. Through the synergy of these components, the stable fixation and diverse installation of the air duct main body are achieved.

Benefits of technology

It effectively avoids bolt loosening and rust problems, improves the stability of the air duct body and the firmness of the connection, and increases the flexibility and diversity of installation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222992357U_ABST
    Figure CN222992357U_ABST
Patent Text Reader

Abstract

The utility model discloses a smoke prevention and exhaust air pipe plate fixing assembly which comprises air pipe bodies, the two ends of each air pipe body are fixedly connected with mounting plates, the mounting plates at one ends of the two air pipe bodies are connected together in an attached mode and placed in a supporting plate in an embedded mode, fixing grooves are formed in the two sides of the supporting plate, and the fixing grooves are fixedly connected with the mounting plates. A hanging rod is placed in the fixing groove, a placing groove is formed in the end face of the top end of the supporting plate, one side of the placing groove is of an open structure, sliding grooves are formed in the positions, located on the inner wall of the supporting plate, of the two sides of the placing groove correspondingly, and sliding rods and lead screws are placed in the sliding grooves correspondingly; the sliding rod and the lead screw are both in transmission connection with limiting assemblies, and overhauling openings are formed in the positions, located on the outer wall of the supporting plate, of the two ends of the sliding groove. The air duct is stable in structure and comprehensive in function, the supporting plate is placed at the bottom of the connecting position of the air duct body, the side plates with the adjustable distance are arranged on the two sides of the supporting plate, and more stable supporting can be conveniently provided for the air duct body.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust ducts, in particular to a smoke exhaust duct plate fixing component. Background Art

[0002] Smoke and exhaust ducts are important equipment used to prevent the spread of fire and remove harmful gases. Depending on different needs and environments, the materials and specifications of smoke and exhaust ducts are also different. The following are several common smoke and exhaust ducts and their characteristics: Common plate flange ducts: This type of duct is usually made of tinplate or stainless steel and is suitable for various ventilation and air conditioning systems. They can also be used for fire smoke exhaust, especially when smoke and heat need to be quickly removed. Fireproof ducts: This type of duct is usually made of non-combustible materials, such as steel-faced magnesium composite materials, and has good fire resistance. They are often used in industrial integrated high-temperature resistant ventilation ducts that require fire protection. In general, the choice of smoke and exhaust ducts should be determined according to the specific use environment and needs. The current smoke and exhaust ducts are usually fixed and connected by multiple sets of bolts, and are simply fixed and supported by metal pull rods and hanging plates at the center of the duct. However, after long-term use, not only will the fixing bolts rust and loosen, resulting in a decrease in the fixing effect, but the existing support device structure is relatively simple, so there are certain limitations during installation. Utility Model Content

[0003] The utility model aims to provide a smoke exhaust duct plate fixing assembly to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a smoke exhaust duct plate fixing assembly, including an air duct main body, both ends of the air duct main body are fixedly connected with mounting plates, the mounting plates at one end of the two air duct main bodies are fitted and connected together, and embedded in a support plate, both sides of the support plate are provided with fixing grooves, a hanger is placed in the fixing grooves, a placement groove is arranged in the top end surface of the support plate, and one side of the placement groove is an open structure, both sides of the placement groove and on the inner wall of the support plate are provided with sliding grooves, sliding rods and screw rods are respectively placed in the sliding grooves, wherein the sliding rods and screw rods are transmission-connected with limiting components, both ends of the sliding groove and on the outer wall of the support plate are provided with inspection openings, and a cover plate is connected to the inspection opening by screws.

[0005] Preferably, the fixing groove is an arc-shaped hole structure and is through-opened on both sides of the support plate, wherein one end of the suspension rod passes through the fixing groove and is screwed and connected with a supporting nut.

[0006] Preferably, the limiting component is composed of a first side plate, a second side plate, a first slider and a second slider, wherein the first slider and the second slider are fixedly connected to the two sides of the bottom of the first side plate and the second side plate respectively.

[0007] Preferably, the first slider and the second slider are respectively sleeved on a slide bar and a lead screw and are in transmission connection, wherein the outer walls of the first slider and the second slider are respectively attached to the inner wall of a chute, the two ends of the slide bar are fixedly installed on the inner wall of the chute, and one end of the lead screw is movably connected to the inner wall of the other chute through a bearing.

[0008] Preferably, two corresponding thread grooves are correspondingly formed on the outer wall of the lead screw, wherein the second sliders in the first side plate and the second side plate are sleeved on the lead screw and are in corresponding screw thread transmission connection.

[0009] Preferably, the bottoms of the first slider and the second slider are attached to the inner wall of a placement groove, and trapezoidal grooves are correspondingly formed on the inner walls of the first side plate and the second side plate.

[0010] Preferably, a plurality of installation holes are formed in a through manner on both sides of the first side plate, the second side plate and the support plate, and the installation holes are arranged in a strip-shaped structure.

[0011] Preferably, fixing bolts are placed in the installation holes, wherein two springs are sleeved on the fixing bolts, and nuts are screwed at both ends of the two springs.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. In the utility model, a support plate is placed below the connection position of the air duct main body, which is convenient for stably supporting the connection position of the air duct main body by using the support plate. At the same time, arc-shaped fixing grooves are formed on both sides of the support plate, and suspension rods are placed in the fixing grooves. A support nut is screwed on the suspension rod, so that the suspension rod can be stably placed in the fixing groove and stably support the support plate. At the same time, the fixing groove is set in an arc-shaped structure, so that the position of the suspension rod can be better adjusted, and the diversity of the installation position of the suspension rod is further increased.

[0014] 2. The utility model provides a placement groove in the top end face of the support plate, which is convenient for placing the mounting plate on the air duct main body. At the same time, sliding grooves are provided on both sides of the placement groove, and sliding rods and screw rods are respectively fixedly placed in the sliding grooves, wherein a slider is transmission-connected to the screw rod and the sliding rod, and two side plates are fixedly connected to the top of the slider, and reverse threaded grooves are correspondingly provided on the screw rod, so that the two side plates can move relatively, and the two sides of the air duct main body are further clamped and fixed for use. At the same time, a number of mounting holes are provided on the side plate and the support plate, and fixing bolts are screwed in the mounting holes, and two springs are respectively placed on the fixing bolts, and nuts are screwed at both ends of the springs, so that the air duct main body can be better kept stably supported on the support plate, thereby increasing the overall connection stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the installation of the pipeline main body of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection between the support plate and the side plate of the utility model;

[0017] Figure 3 It is a top view of the support plate of the utility model;

[0018] Figure 4 It is a side view of the chute of the utility model;

[0019] Figure 5 This is a schematic diagram of the connection between the side plate and the slider of the utility model;

[0020] Figure 6 It is a schematic diagram of the overall connection of the limit assembly of the utility model.

[0021] In the figure: 1. Duct body; 2. Mounting plate; 3. Support plate; 31. Fixing groove; 32. Hanging rod; 302. Support nut; 33. Placement groove; 4. Slide groove; 41. Slide rod; 42. Screw rod; 43. Inspection port; 44. Cover plate; 5. Limiting assembly; 51. First side panel; 52. Second side panel; 53. Slider No. 1; 54. Slider No. 2; 55. Trapezoidal groove; 6. Mounting hole; 7. Fixing bolt; 71. Spring; 72. Nut. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Please refer to Figure 1-6 , the present utility model provides a technical solution: a fixing component for a smoke exhaust and supply air duct plate, including a duct main body 1. Both ends of the duct main body 1 are fixedly connected with mounting plates 2. The mounting plates 2 at one end of the two duct main bodies 1 are attached and connected together, which is convenient for stable connection between the duct main bodies 1, and is embedded in a support plate 3. Fixed slots 31 are provided on both sides of the support plate 3. Suspension rods 32 are placed in the fixed slots 31. At the same time, the fixed slots 31 are arc-shaped hole structures and are penetrated and opened on both sides of the support plate 3. One end of the suspension rod 32 passes through the fixed slot 31 and is screwed and connected with a support nut 302, which is convenient for adjusting the position of the suspension rod 32 for use, and further maintains the installation diversity of the suspension rod 32.

[0024] A placement groove 33 is provided in the top end face of the support plate 3, and one side of the placement groove 33 is an open structure. Sliding grooves 4 are provided on both sides of the placement groove 33 and on the inner wall of the support plate 3. A sliding rod 41 and a lead screw 42 are respectively placed in the sliding grooves 4. Among them, a first slider 53 and a second slider 54 are respectively sleeved on the sliding rod 41 and the lead screw 42 and are in transmission connection. The outer walls of the first slider 53 and the second slider 54 are respectively attached to the inner walls of the sliding grooves 4. Both ends of the sliding rod 41 are fixedly installed on the inner walls of the sliding grooves 4. One end of the lead screw 42 is movably connected to the inner wall of the other sliding groove 4 through a bearing, which is convenient for maintaining the support stability of the sliding rod 41 and the lead screw 42, and enables the lead screw 42 to rotate in the sliding groove 4.

[0025] Among them, a limiting component 5 is in transmission connection on both the sliding rod 41 and the lead screw 42. The limiting component 5 is composed of a first side plate 51, a second side plate 52, a first slider 53 and a second slider 54. One end of the lead screw 42 is movably connected to the inner wall of the other sliding groove 4 through a bearing, which is convenient for maintaining the support stability of the sliding rod 41 and the lead screw 42, and enables the lead screw 42 to rotate in the sliding groove 4. Among them, two corresponding threaded grooves are correspondingly opened on the outer wall of the lead screw 42. The second slider 54 in the first side plate 51 and the second side plate 52 is sleeved on the lead screw 42 and is in corresponding threaded transmission connection, which is convenient for driving the first side plate 51 and the second side plate 52 to move correspondingly by using the lead screw 42.

[0026] At the same time, the bottoms of the first slider 53 and the second slider 54 are attached to the inner wall of the placement groove 33. Trapezoidal grooves 55 are correspondingly opened on the inner walls of the first side plate 51 and the second side plate 52, which is convenient for clamping and fixing the mounting plates 2 on both sides of the duct main body 1. A number of mounting holes 6 are penetrated and opened on both sides of the first side plate 51, the second side plate 52 and the support plate 3. The mounting holes 6 are set as long strip structures, and fixing bolts 7 are placed in the mounting holes 6. Two springs 71 are sleeved on the fixing bolts 7, and nuts 72 are screwed at both ends of the two springs 71, then the connection tightness between the mounting plates 2 can be further maintained.

[0027] At both ends of the chute 4 and on the outer wall of the supporting plate 3, there are inspection openings 43. A cover plate 44 is tightly connected to the inspection opening 43 by screws, which is convenient for opening and closing the inspection opening 43 by using the cover plate 44, further maintaining the sealing performance of the inspection opening 43, and the structure of the limiting component 5 can be replaced and installed.

[0028] Working principle: When this utility model is in use, first, the air duct main bodies 1 are adhesively connected through the mounting plate 2. At this time, one end of the suspender 32 passes through the fixing groove 31 and is screwed with the supporting nut 302, so that the suspender 32 can stably support on both sides of the supporting plate 3. At the same time, the other end of the suspender 32 is fixedly connected to the ceiling, so that the supporting plate 3 can be stably supported and lifted by the suspender 32, and the position of the suspender 32 can be adjusted through the arc-shaped fixing groove 31, with richer practicability. At the same time, the mounting plate 2 at the bottom of the air duct main body 1 is placed in the placing groove 33, and the fixing bolt 7 passes through the mounting hole 6 in the supporting plate 3 and is screwed with the nut 72. At the same time, nuts 72 are tightly connected to both sides of the mounting plate 2, and a spring 71 is tightly connected to the outer wall of the nut 72, which is convenient for further maintaining the connection stability between the mounting plates 2. At the same time, a first side plate 51 and a second side plate 52 are respectively placed on both sides of the placing groove 33, and a first slider 53 and a second slider 54 are respectively fixedly connected to the bottom sides of the first side plate 51 and the second side plate 52. At the same time, the first slider 53 and the second slider 54 are respectively sleeved on the slide rod 41 and the lead screw 42 and are in transmission connection. At the same time, corresponding reverse thread grooves are provided on the lead screw 42, which is convenient for further driving the first side plate 51 and the second side plate 52 to move correspondingly by the rotation of the lead screw 42, so as to clamp and fix both sides of the air duct main body 1. In this way, not only can the air duct main body 1 be stably supported, but also its service life is longer.

[0029] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0030] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A smoke exhaust duct plate fixing assembly, comprising a duct body (1), both ends of the duct body (1) being fixedly connected with mounting plates (2), characterized in that: The mounting plates (2) at one end of the two air duct bodies (1) are fitted together and embedded in a support plate (3). Both sides of the support plate (3) are provided with fixing grooves (31), and a suspension rod (32) is placed in the fixing grooves (31). A placement groove (33) is provided in the top end surface of the support plate (3), and one side of the placement groove (33) is in an open structure. Both sides of the placement groove (33) and on the inner wall of the support plate (3) are provided with sliding grooves (4), and sliding rods (41) and screw rods (42) are respectively placed in the sliding grooves (4), wherein the sliding rods (41) and screw rods (42) are both transmission-connected to limit position assemblies (5). Both ends of the sliding groove (4) and on the outer wall of the support plate (3) are provided with inspection openings (43), and a cover plate (44) is tightly connected to the inspection opening (43) by screws.

2. The smoke exhaust duct plate fixing assembly according to claim 1 is characterized in that: The fixing groove (31) is an arc-shaped hole structure and is through-opened on both sides of the support plate (3), wherein one end of the suspension rod (32) passes through the fixing groove (31) and is screwed and connected with a supporting nut (302).

3. The smoke exhaust duct plate fixing assembly according to claim 2 is characterized in that: The position limiting assembly (5) is composed of a first side plate (51), a second side plate (52), a first slider (53) and a second slider (54), wherein the first slider (53) and the second slider (54) are fixedly connected to both sides of the bottom of the first side plate (51) and the second side plate (52), respectively.

4. The smoke exhaust duct plate fixing assembly according to claim 3 is characterized in that: The first slider (53) and the second slider (54) are respectively sleeved on the slide rod (41) and the screw rod (42) and are connected in transmission, wherein the outer walls of the first slider (53) and the second slider (54) are respectively fitted and connected to the inner wall of the slide groove (4), the two ends of the slide rod (41) are fixedly mounted on the inner wall of the slide groove (4), and one end of the screw rod (42) is movably connected to the inner wall of the slide groove (4) on the other side through a bearing.

5. The smoke exhaust duct plate fixing assembly according to claim 4 is characterized in that: Two corresponding thread grooves are formed on the outer wall of the screw rod (42), wherein the second slider (54) in the first side plate (51) and the second side plate (52) is sleeved on the screw rod (42) and connected with the corresponding threaded transmission.

6. The smoke exhaust duct plate fixing assembly according to claim 5, characterized in that: The bottoms of the first sliding block (53) and the second sliding block (54) are fitted and connected to the inner wall of the placement groove (33), and trapezoidal grooves (55) are correspondingly provided on the inner walls of the first side plate (51) and the second side plate (52).

7. The smoke exhaust duct plate fixing assembly according to claim 6, characterized in that: A plurality of mounting holes (6) are provided through-through on both sides of the first side plate (51), the second side plate (52) and the support plate (3), and the mounting holes (6) are arranged as long strip structures.

8. The smoke exhaust duct plate fixing assembly according to claim 7, characterized in that: A fixing bolt (7) is placed in the mounting hole (6), wherein two springs (71) are sleeved on the fixing bolt (7), and nuts (72) are screwed and connected at both ends of the two springs (71).