Heating and ventilation pipeline connecting device for passive house

Abstract

The utility model relates to the technical field of heating and ventilation pipeline connection, in particular to a heating and ventilation pipeline connecting device for a passive house, which comprises a heating and ventilation pipe, two connecting pipes fixedly mounted on the outer side of the heating and ventilation pipe, connecting flanges fixedly mounted on the surfaces of the two connecting pipes, and an adaptive adjusting mechanism connected with the two connecting flanges. The adaptive adjusting mechanism for adaptively fixing the temperature deformation of the heating and ventilation pipe is arranged on the outer side of the heating and ventilation pipe; when two heating and ventilation pipes are mutually connected, the two connecting pipes can be mutually connected through the two connecting pipes and the corresponding connecting flanges in a flange connecting mode, and after connection, when thermal expansion deformation occurs at the connecting position of the heating and ventilation pipes through the adjusting assembly, synchronous adjustment can be conducted through the adjusting assembly; the sealing performance and stability of the connecting position are guaranteed, and the sealing performance can be improved through the sealing assembly when the adjusting assembly is used.

Description

Technical Field

[0001] The utility model relates to the technical field of HVAC pipeline connection, in particular to a HVAC pipeline connection device for a passive house. Background Art

[0002] The HVAC pipe connection device is a device specially used to connect pipes in the HVAC system to form a complete circulation system to achieve functions such as heating, ventilation and air conditioning;

[0003] As shown in the reference case "A HVAC pipe connection structure for passive houses" publication number "CN212509934U", the advantages are that it solves the problems of water leakage, complicated operation, and damage to the thread structure;

[0004] However, during use, HVAC pipes may deform due to thermal expansion and contraction. At this time, the fixed connection device is difficult to adapt to such changes, resulting in the sealing and stability of the connection being affected.

[0005] Therefore, a HVAC pipe connecting device for a passive house is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a HVAC pipe connecting device for a passive room in order to solve the above-mentioned problem, which improves the problem that during use, the HVAC pipe may be deformed due to thermal expansion and contraction, and the fixed connecting device is difficult to adapt to such changes, resulting in the sealing and stability of the connection being affected.

[0007] The utility model achieves the above-mentioned purpose through the following technical solutions: a HVAC pipe connection device for a passive room, comprising: a HVAC pipe, two connecting pipes are fixedly installed on the outside of the HVAC pipe, and connecting flanges are fixedly installed on the surfaces of the two connecting pipes. The two connecting flanges are flange-connected to each other, and an adaptive adjustment mechanism is used to adapt to the temperature deformation of the HVAC pipe. The fixed adaptive adjustment mechanism is arranged on the outside of the HVAC pipe, wherein the adaptive adjustment mechanism comprises a sealing sleeve arranged on the outside of the HVAC pipe, an adjustment component is arranged on one side of the sealing sleeve, and a sealing component is arranged on one side of the adjustment component. When the two HVAC pipes are connected to each other, the two connecting pipes and the corresponding connecting flanges can be connected to each other by flange connection. After the connection, when thermal expansion deformation occurs at the connection of the HVAC pipe, the adjusting component can be used to perform synchronous adjustment to ensure the sealing and stability of the connection, and the sealing of the adjusting component can be increased when it is used.

[0008] Preferably, the adjustment assembly includes a closing plate fixedly mounted on one side of the connecting pipe, movable blocks are arranged on both sides of the closing plate, abutment plates are fixedly mounted on both sides of the sealing sleeve, moving blocks are fixedly mounted on the sides away from each other of the two abutment plates, the two moving blocks are slidably connected to the inner wall of the connecting pipe, a screw is installed through the surface of the moving block on one side, the screw is threadedly connected to the adjacent moving block, a sliding rod is installed through the surface of the moving block on the other side, the two movable blocks are respectively located on one side of the screw and the sliding rod, and one end of the screw and the sliding rod penetrates the corresponding movable The movable block extends the connecting pipe. When in use, the connecting pipe sleeve can be first set on the outside of the HVAC pipe, and then the two connecting pipes can be flange-connected to each other through the connecting flange. At this time, the screw can be turned to drive the corresponding moving block to drive the clamping plate to move. The clamping plate can simultaneously drive the sealing sleeve to move to the connection to seal the connection, thereby increasing the sealing of the connection. When the HVAC pipe undergoes thermal expansion deformation, the elasticity of the sealing sleeve itself can adapt to it, and at the same time, the clamping plate on the outside of the sealing sleeve is pressed against the outside of the sealing sleeve to ensure that the sealing sleeve is tightly connected to the connection when deformed.

[0009] Preferably, the clamping plate is arranged in an arc shape, and the two movable blocks are both slidably connected to the closing plate. This arc-shaped design not only enables the clamping plate to move smoothly, but also ensures that it fits tightly with the sealing sleeve when the sealing sleeve expands and contracts due to heat, thereby ensuring the sealing of the connection.

[0010] Preferably, the sealing assembly includes a plurality of sealing rings fixedly mounted on the inner wall of the sealing sleeve, wherein the plurality of sealing rings are tightly pressed against the surface of the HVAC pipe. The sealing rings ensure a tight connection between the sealing sleeve and the surface of the HVAC pipe, so that the HVAC pipe connection can maintain good sealing performance.

[0011] Preferably, the sealing assembly also includes a driving tube fixedly mounted on the surface of the screw rod and the sliding rod, a positioning plate is provided on one side of the two driving tubes, and two springs are provided between the positioning plate and the adjacent driving tubes. When the clamping plate and the sealing sleeve are pressed tightly, the two positioning plates squeeze the adjacent driving tubes through the two adjacent springs, so that the two driving tubes can synchronously drive the corresponding sliding rod and the screw rod to move closer to each other, thereby synchronously driving the two clamping plates to be pressed against the sealing sleeve synchronously, and when the sealing sleeve is deformed, they can be adaptively moved synchronously to ensure that the connection maintains good sealing and stability.

[0012] Preferably, two support rods are fixedly installed on one side of the positioning plate, the outer side of the driving tube is slidably connected to the two support rods, and the two springs are respectively sleeved on the outer sides of the two support rods. The driving tube can be positioned and guided by the support rods when moving, thereby making the movement of the driving tube more stable.

[0013] Preferably, the positioning plate is configured to be in an arc shape, and both ends of the spring are fixedly connected to the positioning plate and the driving tube respectively. The arc-shaped positioning plate can increase the contact area between the positioning plate and the inner wall of the connecting tube, thereby making the positioning effect more stable.

[0014] The beneficial effects of the utility model are:

[0015] 1. When two HVAC pipes are connected to each other, the two connecting pipes can be connected to each other through two connecting pipes and corresponding connecting flanges through flange connection. After the connection, when thermal expansion deformation occurs at the HVAC pipe connection, the adjusting component can be used to perform synchronous adjustment to ensure the sealing and stability of the connection. The sealing component can be used to increase its sealing when the adjusting component is used;

[0016] 2. When the clamping plate and the sealing sleeve are pressed tightly, the two positioning plates squeeze the adjacent driving tubes through the two adjacent springs, so that the two driving tubes can synchronously drive the corresponding sliding rods and screws to move closer to each other, thereby synchronously driving the two clamping plates to be pressed against the sealing sleeve synchronously, and when the sealing sleeve is deformed, they can be adapted and moved synchronously to ensure that the connection maintains good sealing and stability. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a schematic diagram of the structure of the adaptive adjustment mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the abutment plate and the sealing sleeve of the utility model;

[0021] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of A.

[0022] In the figure: 1. HVAC pipe; 101. Connecting pipe; 102. Connecting flange; 2. Adaptive adjustment mechanism; 21. Sealing sleeve; 22. Adjusting assembly; 221. Closing plate; 222. Movable block; 223. Screw rod; 224. Moving block; 225. Abutting plate; 226. Sliding rod; 23. Sealing assembly; 231. Sealing ring; 232. Positioning plate; 233. Driving pipe; 234. Support rod; 235. Spring. DETAILED DESCRIPTION

[0023] 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.

[0024] When implementing: Figure 1-5 As shown, a HVAC pipe connection device for a passive house comprises: a HVAC pipe 1, two connecting pipes 101 are fixedly installed on the outer side of the HVAC pipe 1, connecting flanges 102 are fixedly installed on the surfaces of the two connecting pipes 101, the two connecting flanges 102 are flange-connected to each other, and an adaptability adjustment mechanism 2 is used to adapt to the temperature deformation of the HVAC pipe 1. The fixed adaptability adjustment mechanism 2 is arranged on the outer side of the HVAC pipe 1, wherein the adaptability adjustment mechanism 2 comprises a sealing sleeve 21 arranged on the outer side of the HVAC pipe 1, an adjustment component 22 is arranged on one side of the sealing sleeve 21, and a sealing component 23 is arranged on one side of the adjustment component 22. When the two HVAC pipes 1 are connected to each other, the two connecting pipes 101 and the corresponding connecting flanges 102 can be used to connect the two connecting pipes 101 to each other by flange connection. After the connection, when thermal expansion deformation occurs at the connection of the HVAC pipe 1, the adjusting component 22 can be used to perform synchronous adjustment to ensure the sealing and stability of the connection. The sealing component 23 can be used to increase the sealing of the adjusting component 22 when it is used.

[0025] like Figure 2 , Figure 3 and Figure 4As shown, the adjustment component 22 includes a closing plate 221 fixedly mounted on one side of the connecting pipe 101, and movable blocks 222 are arranged on both sides of the closing plate 221. Abutment plates 225 are fixedly mounted on both sides of the sealing sleeve 21, and a moving block 224 is fixedly mounted on the side away from the two abutment plates 225. The two moving blocks 224 are both slidably connected to the inner wall of the connecting pipe 101. A screw 223 is installed through the surface of the moving block 224 on one side, and the screw 223 is threadedly connected to the adjacent moving block 224. A sliding rod 226 is installed through the surface of the moving block 224 on the other side. The two movable blocks 222 are respectively located on one side of the screw 223 and the sliding rod 226. One end of the screw 223 and the sliding rod 226 penetrates the corresponding movable block 222 and extends out of the connecting pipe 101. When in use, the connecting pipe 101 can be firstly sleeved on the outside of the HVAC pipe 1, and then the two connecting pipes 101 can be connected. 1 are connected to each other by connecting flanges 102. At this time, the screw rod 223 can be rotated to drive the corresponding moving block 224 to drive the pressing plate 225 to move. The pressing plate 225 can synchronously drive the sealing sleeve 21 to move to the connection to seal the connection, thereby increasing the sealing of the connection. When the HVAC pipe 1 undergoes thermal expansion deformation, it can adapt to it through the elasticity of the sealing sleeve 21 itself, and at the same time, the pressing plate 225 on the outside of the sealing sleeve 21 is pressed against the outside of the sealing sleeve 21 to ensure that the sealing sleeve 21 is tightly connected to the connection when deformed. The pressing plate 225 is set in an arc shape, and the two movable blocks 222 are both slidably connected to the closing plate 221. This arc shape design not only enables the pressing plate 225 to move smoothly, but also ensures that it is tightly fitted with the sealing sleeve 21 when it undergoes thermal expansion and contraction deformation, thereby ensuring the sealing of the connection.

[0026] like Figure 2 , Figure 4 and Figure 5As shown, the sealing assembly 23 includes a plurality of sealing rings 231 fixedly mounted on the inner wall of the sealing sleeve 21, and the plurality of sealing rings 231 are tightly pressed against the surface of the HVAC pipe 1. The sealing rings 231 ensure the tight connection formed by the sealing sleeve 21 on the surface of the HVAC pipe 1, so that the HVAC pipe connection can maintain good sealing performance. The sealing assembly 23 also includes a driving tube 233 fixedly mounted on the surface of the screw rod 223 and the sliding rod 226. A positioning plate 232 is provided on one side of the two driving tubes 233. Two springs 235 are provided between the positioning plate 232 and the adjacent driving tubes 233. When the pressing plate 225 is pressed against the sealing sleeve 21, the two positioning plates 232 squeeze the adjacent driving tubes 233 through the two adjacent springs 235, so that the two driving tubes 233 can synchronously drive the corresponding sliding rod 226 and the screw 223 to move closer to each other, thereby The two clamping plates 225 are synchronously driven to be clamped against the sealing sleeve 21, and when the sealing sleeve 21 is deformed, they can be adapted and moved synchronously to ensure that the connection maintains good sealing and stability. Two support rods 234 are fixedly installed on one side of the positioning plate 232, and the outer side of the driving tube 233 is slidably connected to the two support rods 234. The two springs 235 are respectively sleeved on the outer sides of the two support rods 234. The driving tube 233 can be positioned and guided by the support rods 234 when moving, so that the movement of the driving tube 233 is more stable. The positioning plate 232 is set to an arc shape, and the two ends of the spring 235 are fixedly connected to the positioning plate 232 and the driving tube 233 respectively. The arc-shaped positioning plate 232 can increase the contact area between the positioning plate 232 and the inner wall of the connecting tube 101, so that the positioning effect is more stable.

[0027] When the utility model is in use, the connecting pipe 101 can be firstly sleeved on the outer side of the HVAC pipe 1, and then the two connecting pipes 101 can be connected to each other by flange connection through the connecting flange 102. At this time, the screw 223 can be rotated to allow the screw 223 to drive the corresponding moving block 224 to drive the pressing plate 225 to move. The pressing plate 225 can synchronously drive the sealing sleeve 21 to move to the connection to seal the connection, thereby increasing the sealing of the connection. When the HVAC pipe 1 undergoes thermal expansion deformation, the elasticity of the sealing sleeve 21 itself can adapt to it, and at the same time, the pressing plate 225 on the outer side of the sealing sleeve 21 is pressed against the outer side of the sealing sleeve 21 to ensure that the sealing sleeve 2 When the pressing plate 225 is pressed against the sealing sleeve 21, the two positioning plates 232 squeeze the adjacent driving tubes 233 through the two adjacent springs 235, so that the two driving tubes 233 can synchronously drive the corresponding sliding rods 226 and the screw rod 223 to move closer to each other, thereby synchronously driving the two pressing plates 225 to be pressed against the sealing sleeve 21 synchronously, and when the sealing sleeve 21 is deformed, they can be adapted and moved synchronously, so as to ensure that the connection maintains good sealing and stability.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A HVAC pipe connection device for a passive house, characterized in that: include: A heating and ventilation pipe (1), wherein two connecting pipes (101) are fixedly mounted on the outer side of the heating and ventilation pipe (1), connecting flanges (102) are fixedly mounted on the surfaces of the two connecting pipes (101), and the two connecting flanges (102) are flange-connected to each other; An adaptive adjustment mechanism (2) for adapting and fixing the temperature deformation of the heating and ventilation pipe (1); the adaptive adjustment mechanism (2) is arranged on the outside of the heating and ventilation pipe (1); The adaptive adjustment mechanism (2) comprises a sealing sleeve (21) arranged on the outside of the HVAC pipe (1), an adjustment component (22) is arranged on one side of the sealing sleeve (21), and a sealing component (23) is arranged on one side of the adjustment component (22).

2. A HVAC pipe connection device for a passive house according to claim 1, characterized in that: The adjustment assembly (22) comprises a closing plate (221) fixedly mounted on one side of the connecting pipe (101), movable blocks (222) are arranged on both sides of the closing plate (221), abutting plates (225) are fixedly mounted on both sides of the sealing sleeve (21), and a moving block (224) is fixedly mounted on the side away from the two abutting plates (225), and the two moving blocks (224) are slidably connected to the inner wall of the connecting pipe (101), and one side of the moving blocks (224) is fixedly mounted on the inner wall of the connecting pipe (101). A screw rod (223) is installed through the surface of the movable block (224), and the screw rod (223) is threadedly connected to the adjacent movable block (224). A sliding rod (226) is installed through the surface of the movable block (224) on the other side. The two movable blocks (222) are respectively located on one side of the screw rod (223) and the sliding rod (226). One end of the screw rod (223) and the sliding rod (226) both penetrate the corresponding movable block (222) and extend out of the connecting pipe (101).

3. A HVAC pipe connection device for a passive house according to claim 2, characterized in that: The abutting plate (225) is configured in an arc shape, and the two movable blocks (222) are both slidably connected to the closing plate (221).

4. A HVAC pipe connection device for a passive house according to claim 1, characterized in that: The sealing assembly (23) comprises a plurality of sealing rings (231) fixedly mounted on the inner wall of the sealing sleeve (21), and the plurality of sealing rings (231) are tightly pressed against the surface of the HVAC pipe (1).

5. A HVAC pipe connection device for a passive house according to claim 1, characterized in that: The sealing assembly (23) further comprises a driving tube (233) fixedly mounted on the surface of the screw rod (223) and the sliding rod (226), a positioning plate (232) being arranged on one side of each of the two driving tubes (233), and two springs (235) being arranged between the positioning plate (232) and the adjacent driving tube (233).

6. A HVAC pipe connection device for a passive house according to claim 5, characterized in that: Two support rods (234) are fixedly mounted on one side of the positioning plate (232), the outer side of the driving tube (233) is slidably connected to the two support rods (234), and the two springs (235) are respectively sleeved on the outer sides of the two support rods (234).

7. A HVAC pipe connection device for a passive house according to claim 6, characterized in that: The positioning plate (232) is configured to be in an arc shape, and two ends of the spring (235) are fixedly connected to the positioning plate (232) and the driving tube (233) respectively.

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