Warm ventilation pipe with butt joint gap sealing structure
By using a sealing plate and gasket design at the joint of the heating and ventilation duct, combined with the expansion filling of polyethylene foam, the problem of air leakage at the joint of the heating and ventilation duct is solved, achieving a stable connection and efficient sealing.
Patent Information
- Application Number
- CN202422651107.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-31
AI Technical Summary
The existing heating and ventilation ducts have gaps at the joints caused by the screw locking structure, which leads to gas leakage and affects the air supply efficiency.
The heating and ventilation duct adopts a sealing structure for the butt joint. Through the design of sealing plates and sealing gaskets, the connection and sealing mechanisms of the sealing plates are utilized, combined with the expansion and filling of polyethylene foam, to achieve a stable connection and seal of the butt joint.
It effectively prevents air leakage in heating and ventilation ducts, improves air supply efficiency, and ensures airtightness.
Smart Images
Figure CN223469875U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of warm air pipe, specifically a warm air pipe with butt joint gap sealing structure. BACKGROUND
[0002] The air pipe is a metal or nonmetal pipe used in the ventilation and air conditioning engineering of industrial and civil buildings, is a kind of municipal infrastructure for making air flow and reducing harmful gas concentration, and the plate, profile and other main finished materials used in pipe manufacturing and installation.
[0003] The warm air pipe on the market is composed of multiple short pipes, and the butt joint is connected by screws, so that the butt joint is firm, and due to the locking structure of the bolt, the gap around the screw is enlarged, gas leakage occurs in the warm air pipe, and the air supply efficiency of the warm air pipe is affected. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a warm air pipe with butt joint gap sealing structure to solve the above technical problems.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A warm air pipe with butt joint gap sealing structure, comprising a pipe body, the pipe body is provided with a connecting plate at both ends, the connecting plate of one pipe body is connected with the connecting plate of another pipe body, an annular sealing gasket is sleeved between the two connecting plates, a sealing clamping plate is sleeved on the outer surface of the two connecting plates, the sealing clamping plate is divided into two parts, and a recess for accommodating the two connecting plates and the sealing gasket is formed in the inner ring, the sealing clamping plate is fixedly connected by two groups of first connecting mechanisms and second connecting mechanisms, the second connecting mechanism is provided with a fixing mechanism for fixing the first connecting mechanism, and the sealing clamping plate is further provided with a sealing mechanism for enhancing the air tightness of the sealing gasket.
[0007] As a further scheme of the utility model: the sealing clamping plate is provided with two same structures, and the two structures are clamped to form a rectangular frame, a rectangular frame-shaped accommodating cavity is formed in the sealing clamping plate, the accommodating cavity and the recess of the sealing clamping plate are communicated through an output cavity, a plurality of piercing nails are arranged on the two sides of the output cavity, the gap of the output cavity is smaller than that of the accommodating cavity, and the output cavity corresponds to the sealing gasket.
[0008] As a further scheme of the utility model: the sealing mechanism comprises a driving plate slidably connected in the accommodating cavity, a coating layer is arranged below the driving plate and fills the accommodating cavity, and a polyethylene foaming agent is arranged in the coating layer.
[0009] As a further scheme of the utility model: the side of the driving plate far from the cladding layer is rotationally connected with a second screw rod through a bearing, the second screw rod is threadedly connected on the sealing batten, and the free end extends out of the sealing batten and is fixedly connected with a second rotating disc.
[0010] As a further scheme of the utility model: the first connecting mechanism comprises a first support fixedly installed on the outer surface of the end portion of any one sealing batten, the side of the first support towards the end portion of another sealing batten is provided with an insertion block, and a fixing hole perpendicular to the extension direction of the insertion block is formed on the insertion block.
[0011] As a further scheme of the utility model: the second connecting mechanism comprises a second support fixedly installed on the outer surface of the end portion of another sealing batten, an insertion hole corresponding to the extension direction of the insertion block is formed on the second support, the insertion hole is matched with the insertion block, and a moving cavity perpendicular to the extension direction of the insertion hole is formed in the second support.
[0012] As a further scheme of the utility model: the fixing mechanism comprises a moving plate slidingly connected in the moving cavity, the side of the moving plate close to the insertion hole is provided with a fixing block, the fixing block extends out of the moving cavity and is inserted into the insertion hole, and the fixing block is positionally corresponding and matched with the fixing hole.
[0013] As a further scheme of the utility model: a rotating disc is rotationally connected in the moving plate, the side of the rotating disc far from the fixing block is fixedly connected with a connecting rod, the connecting rod is rotationally connected on the moving plate, and the free end is fixedly connected with a first screw rod, the first screw rod is threadedly connected on the second support, and the extension direction is consistent with the moving direction of the moving plate, and the free end of the first screw rod extends out of the second support and is fixedly connected with a first rotating disc.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] The fixing mechanism in the utility model can fix the insertion block inserted in the insertion hole, and the insertion block cannot be separated from the insertion hole, so that the stable connection of the two parts of the sealing batten is realized; the moving plate can slide along the moving cavity, the fixing block can be extended into the insertion hole, and the insertion block can be inserted into the fixing hole, so that the insertion block can be stably fixed, and the insertion block can be prevented from separating from the insertion hole; the fixing block is positionally corresponding and matched with the fixing hole, so that the fixing block can be inserted into the fixing hole, and the position of the insertion block can be fixed.
[0016] The utility model discloses a drive plate drives the cladding layer to move to the output cavity, and the output cavity gap is less than the accommodation cavity, so the cladding layer is under great pressure, and after entering the output cavity, the cladding layer is punctured by the puncture nail, the internal polyethylene foaming agent exchanges with the air in the external environment, and through the output cavity solidification expansion, the gap between the two connecting plates is filled, and the sealing property of the sealing gasket is further improved, and the output cavity gap is less than the accommodation cavity, so that the part of the cladding layer in the output cavity can bear great pressure, and the puncture nail is punctured. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0018] Figure 2 It is the three-dimensional structure schematic diagram of the utility model; Figure 1 It is the enlarged view of A in the utility model;
[0019] Figure 3 It is the front view of the utility model;
[0020] Figure 4 It is the three-dimensional structure schematic diagram of the first connecting mechanism in the utility model;
[0021] Figure 5 It is the internal structure schematic diagram of the second support in the utility model;
[0022] Figure 6 It is the side view of the utility model;
[0023] Figure 7 It is the three-dimensional structure schematic diagram of the utility model; Figure 6 It is the enlarged view of B in the utility model.
[0024] In the drawing: 1, air pipe body; 2, connecting plate; 3, sealing gasket; 4, sealing clamping plate; 41, accommodation cavity; 42, output cavity; 43, puncture nail; 5, first connecting mechanism; 51, first support; 52, plug block; 53, fixed hole; 6, second connecting mechanism; 61, second support; 62, plug hole; 63, moving cavity; 7, fixed mechanism; 71, moving plate; 72, fixed block; 73, first screw rod; 74, connecting rod; 75, rotating disc; 76, second rotating disc; 8, sealing mechanism; 81, drive plate; 82, cladding layer; 83, polyethylene foaming agent; 84, second screw rod; 85, second rotating disc. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, 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 the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] Embodiment
[0027] A warm air duct with a butt joint gap sealing structure, referring to Figures 1-7 , comprising a duct body 1, the duct body 1 is provided with a connecting plate 2 at both ends, the connecting plate 2 of one duct body 1 is connected with the connecting plate 2 of another duct body 1, and an annular sealing gasket 3 is sleeved between the two connecting plates 2; the above-mentioned components achieve the effect that the duct body 1 communicates with other duct body 1 through the connecting plates 2 at both ends, and the annular sealing gasket 3 can block the gap between the two connected connecting plates 2, preventing the duct body 1 from leaking, and ensuring the air supply efficiency of the duct body 1.
[0028] As shown in Figures 1-7 , in the embodiment: the outer surface of the two connecting plates 2 is sleeved with a sealing clamping plate 4, the sealing clamping plate 4 is divided into two parts, the sealing clamping plate 4 is provided with two identical structures, and is clamped with each other to form a rectangular frame, and the inner circle is provided with a groove for accommodating the two connecting plates 2 and the sealing gasket 3; the above-mentioned components achieve the effect that the two parts of the sealing clamping plate 4 are clamped with each other, the outer surface of the two connecting plates 2 can be sleeved in the groove, so that the two connecting plates 2 are fixedly connected and will not appear radial displacement; the two connecting plates 2 are of rectangular structure, so that after the two parts of the sealing clamping plate 4 are clamped with each other, a rectangular frame is formed.
[0029] As shown in Figures 1-7 , in the embodiment: the sealing clamping plate 4 is fixedly connected by two groups of first connecting mechanisms 5 and second connecting mechanisms 6, the first connecting mechanism 5 includes a first support 51 fixedly installed on the outer surface of the end portion of any part of the sealing clamping plate 4, the first support 51 is provided with an insertion block 52 on the side surface facing the end portion of the other part of the sealing clamping plate 4, the second connecting mechanism 6 includes a second support 61 fixedly installed on the outer surface of the end portion of the other part of the sealing clamping plate 4, the second support 61 is provided with an insertion hole 62 corresponding to the extension direction of the insertion block 52, and the insertion hole 62 is matched with the insertion block 52; the above-mentioned components achieve the effect that the two groups of first connecting mechanisms 5 and second connecting mechanisms 6 can fixedly connect the two parts of the sealing clamping plate 4 and will not shake; the insertion block 52 of the first support 51 is inserted into the insertion hole 62 of the second support 61, which can connect the first support 51 and the second support 61, and further realize the fixed connection of the two parts of the sealing clamping plate 4.
[0030] As shown in Figures 1-7As shown in the figure, in the embodiment: the second support 61 is provided with a moving cavity 63 perpendicular to the extension direction of the insertion hole 62, the second connecting mechanism 6 is provided with a fixing mechanism 7 for fixing the first connecting mechanism 5, the fixing mechanism 7 comprises a moving plate 71 slidingly connected in the moving cavity 63, the side of the moving plate 71 close to the insertion hole 62 is provided with a fixing block 72, the fixing block 72 extends out of the moving cavity 63 and is inserted into the insertion hole 62, the insertion block 52 is provided with a fixing hole 53 perpendicular to the extension direction of the insertion block 52, the fixing block 72 is positionally corresponding and matched with the fixing hole 53; the effects of the above components are that: the fixing mechanism 7 can fix the insertion block 52 inserted into the insertion hole 62, so that the insertion block 52 cannot be separated from the insertion hole 62, thereby realizing the stable connection of the two parts of the sealing batten 4; the moving plate 71 slides along the moving cavity 63, so that the fixing block 72 can extend into the insertion hole 62 and be inserted into the fixing hole 53, thereby stably fixing the insertion block 52 and preventing the insertion block 52 from being separated from the insertion hole 62; the fixing block 72 is positionally corresponding and matched with the fixing hole 53, so that the fixing block 72 can be inserted into the fixing hole 53 to fix the position of the insertion block 52.
[0031] As shown in the figure, Figures 1-7 In the embodiment: the moving plate 71 is rotatably connected with a rotating disc 75, the side of the rotating disc 75 away from the fixing block 72 is fixedly connected with a connecting rod 74, the connecting rod 74 is rotatably connected with the moving plate 71, and the free end of the connecting rod 74 is fixedly connected with a first screw rod 73, the first screw rod 73 is threadedly connected with the second support 61, and the extension direction of the first screw rod 73 is consistent with the moving direction of the moving plate 71, and the free end of the first screw rod 73 extends out of the second support 61 and is fixedly connected with a first rotating disc 76; the effects of the above components are that: the first rotating disc 76 can drive the first screw rod 73 to rotate spirally along the second support 61; the moving plate 71 can be driven to slide along the moving cavity 63 by the connecting rod 74 and the rotating disc 75 during the spiral rotation of the second support 61; the extension direction of the first screw rod 73 is consistent with the moving direction of the moving plate 71, so that the moving plate 71 can be driven to move synchronously during the spiral movement of the first screw rod 73.
[0032] As shown in the figure, Figures 1-7 In the embodiment: the sealing batten 4 is provided with a rectangular frame-shaped accommodating cavity 41, and the sealing batten 4 is further provided with a sealing mechanism 8 for enhancing the air tightness of the sealing gasket 3, the sealing mechanism 8 comprises a driving plate 81 slidingly connected in the accommodating cavity 41, the driving plate 81 is provided below with a cladding layer 82 filling the accommodating cavity 41, and the cladding layer 82 is provided with a polyethylene foaming agent 83; the effects of the above components are that: the driving plate 81 is slidingly connected in the accommodating cavity 41, so that the cladding layer 82 can be pressed along the accommodating cavity 41.
[0033] As shown in the figure, Figures 1-7As shown in the embodiment: the side of the driving plate 81 away from the cladding layer 82 is rotatably connected with the second screw rod 84 through a bearing, the second screw rod 84 is threadedly connected on the sealing clamping plate 4, and the free end extends out of the sealing clamping plate 4 and is fixedly connected with the second rotating disc 85; the above-mentioned components achieve the effect that the second rotating disc 85 can drive the second screw rod 84 to move spirally along the sealing clamping plate 4, and the second screw rod 84 can drive the driving plate 81 to move along the containing cavity 41 to the direction of the cladding layer 82.
[0034] As shown in the embodiment: Figures 1-7 As shown in the embodiment: the containing cavity 41 and the groove of the sealing clamping plate 4 are communicated through the output cavity 42, a plurality of piercing nails 43 are arranged on the two sides of the output cavity 42, the gap of the output cavity 42 is smaller than that of the containing cavity 41, and the output cavity 42 corresponds to the sealing gasket 3; the above-mentioned components achieve the effect that the driving plate 81 drives the cladding layer 82 to move to the output cavity 42, the gap of the output cavity 42 is smaller than that of the containing cavity 41, so that the cladding layer 82 is subjected to a great pressure, the cladding layer 82 is pierced by the piercing nails 43 after entering the output cavity 42, the internal polyethylene foaming agent 83 exchanges with the air in the external environment, and solidifies and expands through the output cavity 42 to fill the gap between the two connecting plates 2, thereby improving the sealing performance of the sealing gasket 3; the gap of the output cavity 42 is smaller than that of the containing cavity 41, so that the part of the cladding layer 82 located in the output cavity 42 can be subjected to a great pressure, and the cladding layer 82 is easily pierced by the piercing nails 43.
[0035] The use principle of the utility model is as follows: firstly, a plurality of air pipe bodies 1 are connected at the head and tail, the two connecting plates 2 are ensured to be arc-shaped and attached together, then the annular sealing gasket 3 is sleeved on the gap between the two connected connecting plates 2, then the two parts of the sealing clamping plate 4 are mutually clamped, and the outer surfaces of the two connecting plates 2 are sleeved in the groove, in this process, the plug 52 is ensured to smoothly enter the plug-in hole 62, then the first rotating disc 76 drives the first screw rod 73 to rotate spirally, the second support 61 rotates spirally in the process through the connecting rod 74 and the rotating disc 75 to drive the moving plate 71 to slide along the moving cavity 63, the moving plate 71 slides along the moving cavity 63 to drive the fixed block 72 to be inserted into the fixed hole 53, so that the plug 52 can be stably fixed, then the second rotating disc 85 is rotated, the second rotating disc 85 drives the second screw rod 84 to move spirally along the sealing clamping plate 4, the second screw rod 84 drives the driving plate 81 to move along the containing cavity 41 to the direction of the cladding layer 82, the driving plate 81 drives the cladding layer 82 to move to the output cavity 42, the cladding layer 82 is pierced by the piercing nails 43 after entering the output cavity 42, the internal polyethylene foaming agent 83 exchanges with the air in the external environment, and solidifies and expands through the output cavity 42 to fill the gap between the two connecting plates 2, thereby improving the sealing performance of the sealing gasket 3.
[0036] The above merely is the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the present utility model is equivalent to replace or change within the technical range disclosed by the present utility model, and should be covered in the protection scope of the present utility model.
Claims
1. A heating and ventilating duct having a butt joint gap sealing structure, comprising a duct body (1), characterized in that: The air pipe body (1) is respectively provided with a connecting plate (2) at both ends, the connecting plate (2) of one air pipe body (1) is connected with the connecting plate (2) of another air pipe body (1), the connecting plate (2) is provided with a sealing gasket (3) between two connecting plates (2), the outer surface of two connecting plates (2) is provided with a sealing clamping plate (4), the sealing clamping plate (4) is divided into two parts, and the inner ring is provided with a recess for accommodating two connecting plates (2) and sealing gaskets (3), the sealing clamping plate (4) is fixedly connected by two groups of first connecting mechanisms (5) and second connecting mechanisms (6), the second connecting mechanism (6) is provided with a fixing mechanism (7) for fixing the first connecting mechanism (5), and the sealing clamping plate (4) is further provided with a sealing mechanism (8) for enhancing the air tightness of the sealing gasket (3).
2. A heating and ventilating duct having a butt joint gap sealing structure according to claim 1, characterized in that: The sealing clamping plate (4) is provided with two same structures, and is clamped to form a rectangular frame, the sealing clamping plate (4) is provided with a rectangular frame-shaped accommodating cavity (41), the accommodating cavity (41) and the recess of the sealing clamping plate (4) are communicated through an output cavity (42), the output cavity (42) is provided with a plurality of piercing nails (43) on both sides, the gap of the output cavity (42) is smaller than that of the accommodating cavity (41), and the output cavity (42) corresponds to the sealing gasket (3).
3. A heating and ventilating duct having a butt joint gap sealing structure according to claim 2, characterized in that: The sealing mechanism (8) comprises a driving plate (81) slidably connected in the accommodating cavity (41), a cladding layer (82) filled in the accommodating cavity (41) is arranged below the driving plate (81), and polyethylene foaming agent (83) is arranged in the cladding layer (82).
4. A heating and ventilating duct having a butt joint gap sealing structure according to claim 3, characterized in that: The side of the driving plate (81) away from the cladding layer (82) is rotatably connected with a second screw rod (84) through a bearing, the second screw rod (84) is threadedly connected on the sealing clamping plate (4), and the free end of the second screw rod (84) extends out of the sealing clamping plate (4) and is fixedly connected with a second rotating disc (85).
5. A heating and ventilating duct having a butt joint gap sealing structure according to claim 4, characterized in that: The first connecting mechanism (5) comprises a first support (51) fixedly installed on the outer surface of the end portion of any one part of the sealing clamping plate (4), the side of the first support (51) facing the end portion of the other part of the sealing clamping plate (4) is provided with an insertion block (52), and a fixing hole (53) perpendicular to the extension direction of the insertion block (52) is formed in the insertion block (52).
6. A heating and ventilating duct having a butt joint gap sealing structure according to claim 5, characterized by: The second connecting mechanism (6) comprises a second support (61) fixedly installed on the outer surface of the end portion of the other part of the sealing clamping plate (4), the second support (61) is provided with an insertion hole (62) corresponding to the extension direction of the insertion block (52), the insertion hole (62) is matched with the insertion block (52), and a moving cavity (63) perpendicular to the extension direction of the insertion hole (62) is formed in the second support (61).
7. A heating and ventilating duct having a butt joint gap sealing structure according to claim 6, characterized in that: The fixing mechanism (7) comprises a moving plate (71) slidably connected in the moving cavity (63), the side of the moving plate (71) close to the insertion hole (62) is provided with a fixing block (72), the fixing block (72) extends out of the moving cavity (63) and is inserted into the insertion hole (62), and the fixing block (72) is matched with the fixing hole (53) in position.
8. A heating and ventilating duct having a butt joint gap sealing structure according to claim 7, characterized in that: The moving plate (71) is rotationally connected with a rotating disc (75) in the inner gap, the side away from the fixed block (72) of the rotating disc (75) is fixedly connected with a connecting rod (74), the connecting rod (74) is rotationally connected on the moving plate (71), and the free end is fixedly connected with a first screw rod (73), the first screw rod (73) is threadedly connected on the second support (61), and the extension direction is consistent with the moving direction of the moving plate (71), the free end of the first screw rod (73) extends out of the second support (61) and is fixedly connected with a first rotating disc (76).