Basement combined ventilation pipeline convenient to install
By designing a fixed ring and mounting ring structure, and utilizing the combination of a lever and rubber pad, the problems of complicated connection of basement ventilation ducts and bolt corrosion are solved, achieving convenient pipe fastening and stable installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-22
- Publication Date
- 2026-03-24
AI Technical Summary
The existing basement ventilation duct connection method is cumbersome, and the bolts are prone to corrosion and rust, making installation and disassembly difficult.
The system employs a fixed ring and mounting ring structure, using a lever to drive a slider and pressure block to fasten the pipe. Combined with the design of rubber pads and springs, it achieves rapid fastening and positioning of the pipe.
It enables rapid and stable installation of pipelines, simplifies the operation process, reduces bolt corrosion problems, and improves the convenience of installation and disassembly.
Smart Images

Figure CN224033304U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ventilation duct technical field, concretely is a basement combined ventilation duct convenient to install. BACKGROUND
[0002] Basement ventilation duct is the ventilation equipment installed in the basement, mainly used for promoting air circulation, reducing harmful gas concentration, removing humidity, thereby improving the air quality and environment of the basement, through the ventilation duct, outdoor fresh air can be introduced into the basement, and indoor dirty air can be discharged, keeping the air fresh.
[0003] And the ventilation duct is usually laid long duct in use, and the long duct is inconvenient to transport and install, and thus is generally connected and used by the combined duct, but the existing duct connection mode is mostly fastened by bolts, the operation is more cumbersome, a lot of time is occupied, and the bolts are corroded and rusty, which also causes difficulty in disassembly in the later period, therefore, further improvement can be made. UTILITY MODEL CONTENTS
[0004] In order to solve the above-mentioned problems, the utility model provides the following technical scheme: a basement combined ventilation duct convenient to install, which comprises a fixing ring, two sides of the fixing ring are fixedly installed with mounting rings, an installation groove for inserting a duct is formed in the inside of the mounting ring, four groups of air slots are formed in the inside of the mounting ring, a duct limiting assembly for extruding and fixing the duct is arranged in the inside of the air slot, and the duct limiting assembly is replaced by a traditional bolt fastening through a wrenching mode.
[0005] As an optimization, the duct limiting assembly comprises a sliding block slidingly connected in the inside of the air slot, a fixed plate is fixedly installed in the inside of the air slot, a connecting rod is fixedly installed at the bottom center of the sliding block, a pressing block is fixedly installed at the bottom of the connecting rod penetrating through the fixed plate, a compression spring is fixedly installed between the sliding block and the fixed plate, a wrenching piece for extruding the sliding block downward is arranged above the sliding block, the sliding block is moved downward by extruding the wrenching piece, and the pressing block is extruded downward outside the duct through the connecting rod, so that the duct can be fixed and positioned.
[0006] As an optimization, a rubber pad is glued and bonded to the bottom side of the pressing block, and a texture for increasing friction is arranged on the bottom side of the rubber pad.
[0007] As an optimization, the wrenching piece comprises a rotating shaft rotatably connected to the side surface of the mounting ring, a rotating shaft is fixedly installed at the end of the rotating shaft, a rotating plate is fixedly installed on the outside of the rotating shaft, a roller is rotatably connected to the end of the rotating plate, a push plate is fixedly installed on the top side of the rotating shaft, the rotating plate is rotated by wrenching the push plate, and the sliding block is moved downward by extruding.
[0008] As optimization, the top of the slider has a slope on both sides, and the top side of the slider is provided with an embedding groove, and the roller is rotated around the rotating rod as the shaft, which will press along the slope of the slider, and then drive the slider to move downward until the roller is embedded in the embedding groove on the top side of the slider, thereby achieving the positioning limiting effect.
[0009] As optimization, the top of the rotating rod is provided with a positioning member for positioning, and the side surface of the fixed ring is provided with an arc groove corresponding to the positioning member, both ends of the arc groove are provided with a clamping groove, and the arc of the arc groove is set corresponding to the turning angle of the lever.
[0010] As optimization, the positioning member comprises a fixed seat fixedly installed on the top side of the rotating rod, a plug rod is slidably inserted into the inside of the fixed seat, a spring is fixedly installed between the plug rod and the bottom wall of the fixed seat, a ball is rotatably connected to the end of the plug rod, and the ball is embedded in the clamping groove, the spring provides an outward moving force to the plug rod by its own elastic force, thereby making the ball always embedded in the clamping groove, and the rotating rod rotates along the arc groove and is embedded in another clamping groove for positioning.
[0011] The beneficial effects of the utility model are:
[0012] 1. The basement combined ventilation duct convenient to install, the lever is turned to drive the rotating plate to rotate downward, thereby driving the roller to press the slider, so that the slider slides along the inner wall of the hollow groove to the center, and then the connecting rod drives the pressing block to press downward on the outer side of the duct, so that the duct can be tightly positioned and installed, which is convenient and fast.
[0013] 2. The basement combined ventilation duct convenient to install, the lever is turned to drive the rotating rod to rotate synchronously, thereby driving the plug rod in the fixed seat to rotate around the rotating rod, so that the ball rolls along the arc groove, and the spring provides an outward moving force to the plug rod by its elastic force, thereby enabling the ball to be embedded in the clamping groove for positioning, further improving the stability of installation and positioning. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is a partial structure cutaway schematic view of the utility model;
[0016] Figure 3 It is a duct limiting structure schematic view of the utility model;
[0017] Figure 4 It is a duct limiting structure schematic view of the utility model Figure 2 It is a partial structure enlarged schematic view of the utility model;
[0018] Figure 5The utility model discloses a positioning structure schematic view.
[0019] In the drawing: 1, fixed ring, 2, mounting ring, 3, mounting groove, 4, empty slot, 5, pipeline limiting assembly, 6, sliding block, 7, fixed plate, 8, connecting rod, 9, briquetting, 10, compression spring, 11, rotating shaft, 12, rotating plate, 13, roller, 14, push plate, 15, arc groove, 16, clamping groove, 17, fixed seat, 18, inserting rod, 19, spring, 20, ball. DETAILED DESCRIPTION
[0020] In the description of the present application, it needs to be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Please refer to Figures 1-2 A basement combined ventilation duct convenient to install, including fixed ring 1, the both sides of fixed ring 1 are fixedly installed mounting ring 2, the inside of mounting ring 2 is opened and is equipped with the installation groove 3 for inserting pipeline, the inside of mounting ring 2 is opened and is equipped with four groups of empty slots 4, the inside of empty slot 4 is provided with pipeline limiting assembly 5 for extruding pipeline and is fixed in position, and pipeline limiting assembly 5 replaces traditional bolt fastening by turning mode;
[0023] Please refer to Figure 3The pipeline limiting assembly 5 comprises a sliding block 6 slidingly connected inside the hollow groove 4, a fixed plate 7 fixedly installed inside the hollow groove 4, a connecting rod 8 fixedly installed at the bottom center of the sliding block 6, a pressing block 9 fixedly installed at the connecting rod 8 penetrating through the bottom of the fixed plate 7, a rubber pad glued and bonded at the bottom side of the pressing block 9, a friction-increasing pattern provided at the bottom side of the rubber pad, a compression spring 10 fixedly installed between the sliding block 6 and the fixed plate 7, a turning member provided above the sliding block 6 for extruding the sliding block 6 downward, the turning member is turned to extrude the sliding block 6 downward, and then the connecting rod 8 drives the pressing block 9 to extrude the pipeline outside, so that the pipeline can be tightly fixed and positioned, and the compression spring 10 is compressed, facilitating subsequent disassembly and resetting;
[0024] Please refer to Figures 3-4 The turning member comprises a rotating shaft 11 fixedly installed at the end of the rotating rod, a rotating plate 12 fixedly installed at the outer side of the rotating shaft 11, a roller 13 rotatably connected at the end of the rotating plate 12, a push plate 14 fixedly installed at the top side of the rotating shaft 11, the push plate 14 is turned to drive the rotating plate 12 to rotate, and then the roller 13 extrudes the sliding block 6 to move downward.
[0025] Please refer to Figures 3-4 The top sides of the sliding block 6 are provided with inclined surfaces, and the top side of the sliding block 6 is provided with an embedding groove, the roller 13 is rotated with the rotating rod as the axis, and is extruded along the inclined surface of the sliding block 6, and then drives the sliding block 6 to move downward until the roller 13 is embedded in the embedding groove at the top side of the sliding block 6, so as to play a positioning limiting role.
[0026] Please refer to Figures 4-5 The top side of the rotating rod is provided with a positioning member for positioning, and the side surface of the fixed ring 1 is provided with an arc groove 15 corresponding to the positioning member, both ends of the arc groove 15 are provided with a clamping groove 16, and the curvature of the arc groove 15 corresponds to the turning angle of the push plate 14, the positioning member comprises a fixed seat 17 fixedly installed at the top side of the rotating rod, a plug rod 18 slidingly inserted into the fixed seat 17, a spring 19 fixedly installed between the plug rod 18 and the bottom wall of the fixed seat 17, a ball 20 rotatably connected at the end of the plug rod 18, and the ball 20 is embedded in the clamping groove 16, the spring 19 provides an outward moving force for the plug rod 18 by its own elastic force, so that the ball 20 is always embedded in the clamping groove 16, and the rotating rod is rotated and rolled along the arc groove 15 and embedded in the other clamping groove 16 for positioning.
[0027] In use, first, the pipeline is inserted into the installation groove 3 on both sides, and then the push plate 14 is turned downward to drive the rotating plate 12 to rotate downward, and then the roller 13 extrudes the sliding block 6, so that the sliding block 6 slides along the inner wall of the hollow groove 4 to the center, and then the connecting rod 8 drives the pressing block 9 to extrude the pipeline outside, so that the pipeline can be tightly fixed and positioned, and the roller 13 is rotated and embedded in the embedding groove provided at the top of the sliding block 6, so as to play a positioning role.
[0028] When the turning handle 14 is turned, the turning rod is synchronously turned, and the inserting rod 18 in the fixed seat 17 is turned around the turning rod as the axis, so that the ball 20 is rolled along the arc groove 15, and the spring 19 provides the outward moving force for the inserting rod 18, so that the ball 20 can be embedded in the clamping groove 16 for positioning.
[0029] In conclusion, the basement combined ventilation duct convenient to install is characterized in that when the turning handle 14 is turned, the turning plate 12 is turned downward, the roller 13 is pressed to make the sliding block 6 slide along the inner wall of the hollow groove 4 to the center, and the connecting rod 8 drives the pressing block 9 to press the duct outside, so that the duct can be fixed and positioned for installation conveniently and quickly.
[0030] When the turning handle 14 is turned, the turning rod is synchronously turned, and the inserting rod 18 in the fixed seat 17 is turned around the turning rod as the axis, so that the ball 20 is rolled along the arc groove 15, and the spring 19 provides the outward moving force for the inserting rod 18, so that the ball 20 can be embedded in the clamping groove 16 for positioning.
[0031] In the description of the utility model, unless another explicit provision and limitation, the terms "arrange", "install", "connect", "connect", "fix" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements or the interaction of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0032] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings.
[0033] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled in the art can be replaced or changed according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and should be covered in the protection scope of the utility model.
Claims
1. A modular ventilation duct for basements that is easy to install, comprising a fixing ring (1), characterized in that: The mounting ring (1) is fixedly installed on both sides of the mounting ring (2). The mounting ring (2) has an installation groove (3) for inserting pipes inside. The mounting ring (2) has four sets of empty grooves (4) arranged inside. The empty grooves (4) are provided with pipe limiting components (5) for squeezing the pipes for tight positioning. The pipe limiting components (5) are fastened by turning instead of traditional bolts.
2. The easily installable basement modular ventilation duct according to claim 1, characterized in that: The pipe limiting assembly (5) includes a slider (6) slidably connected inside the slot (4). A fixing plate (7) is fixedly installed inside the slot (4). A connecting rod (8) is fixedly installed at the bottom center of the slider (6). A pressure block (9) is fixedly installed through the bottom of the fixing plate (7) through the connecting rod (8). A compression spring (10) is fixedly installed between the slider (6) and the fixing plate (7). A lever is provided above the slider (6) for squeezing the slider (6) downward.
3. The easily installable basement modular ventilation duct according to claim 2, characterized in that: The bottom side of the pressure block (9) is glued with a rubber pad, and the bottom side of the rubber pad is provided with texture to increase friction.
4. The easily installable basement modular ventilation duct according to claim 2, characterized in that: The rotating component includes a rotating rod rotatably connected to the side of the mounting ring (2), a rotating shaft (11) is fixedly installed at the end of the rotating rod, a rotating plate (12) is fixedly installed on the outside of the rotating shaft (11), a roller (13) is rotatably connected to the inside of the end of the rotating plate (12), and a lever plate (14) is fixedly installed on the top side of the rotating shaft (11).
5. The easily installable basement modular ventilation duct according to claim 4, characterized in that: The top two sides of the slider (6) have inclined surfaces, and the top side of the slider (6) is provided with a groove.
6. The easily installable basement modular ventilation duct according to claim 4, characterized in that: The top of the rotating rod is provided with a positioning component for positioning, and the side of the fixing ring (1) is provided with an arc groove (15) corresponding to the positioning component. The two ends of the arc groove (15) are provided with slots (16), and the arc of the arc groove (15) is set to correspond to the turning angle of the lever (14).
7. The easily installable basement modular ventilation duct according to claim 6, characterized in that: The positioning component includes a fixed seat (17) fixedly installed on the top side of the rotating rod. A plug rod (18) is slidably inserted into the fixed seat (17). A spring (19) is fixedly installed between the plug rod (18) and the bottom wall of the fixed seat (17). A ball (20) is rotatably connected to the end of the plug rod (18), and the ball (20) is embedded in the slot (16).