Water leakage prevention connecting structure of heating and ventilation project

Abstract

The utility model relates to the technical field of heating and ventilation pipe installation, and discloses a water leakage prevention connecting structure for heating and ventilation engineering, which comprises a top plate, a first heating and ventilation pipe and a second heating and ventilation pipe, and the outer side of the first heating and ventilation pipe and the outer side of the second heating and ventilation pipe are fixedly connected with a first fastening hoop and a second fastening hoop respectively. The bottom of the top plate, the top of the outer wall of the first heating and ventilation pipe and the top of the outer wall of the second heating and ventilation pipe are fixedly connected with a plurality of switching blocks, the adjacent sides of the switching blocks on the upper side and the lower side are fixedly connected with hydraulic dampers, and the outer side of the first heating and ventilation pipe and the outer side of the second heating and ventilation pipe are fixedly connected with the same protective sleeve. And a plurality of memory alloy wires are fixedly connected to the interior of the protective sleeve. According to the connecting structure, the fastening hoop is fixed through the adapter block and the hydraulic damper, energy generated by vibration is shared, the position of the fastening hoop is limited through the limiting block and the guide rod, the applicability of the guide rod is improved through the spring, and the adaptability of the connecting structure to high-frequency vibration can be enhanced through the protective sleeve with the memory alloy wire.

Description

TECHNICAL FIELD

[0001] The utility model relates to heating pipe installation technical field especially relates to the anti -leakage connecting structure of heating engineering. BACKGROUND

[0002] Heating engineering as the key component of building field is mainly responsible for the heating, ventilation and air conditioning of building interior, through the design, installation and maintenance of heating equipment, ventilation equipment and air conditioning device, completes heat delivery and regulation, air replacement and accurate control of temperature and humidity, to ensure that the indoor environment can keep the suitable temperature, humidity and air quality, and in the whole heating system engineering, the stability and reliability of pipeline connection are very important, once the leakage problem appears at the connection, not only influences the normal operation of equipment, but also leads to the bad consequences of energy waste and equipment damage, for this, the anti -leakage connecting structure of heating engineering is created.

[0003] However, the anti -leakage connecting structure of traditional heating engineering is too close between the branch pipe welding node and the silk joint node of the distribution water collector, leads to the limited construction and maintenance space, increases the interface leakage risk, and the thermal expansion and cold shrink adaptability of traditional rubber ring is poor, the sealing cannot adapt to the pipeline expansion, especially in the water supply and drainage pipe will loosen and leak, the existing solution is to use the anti -leakage device with corrugated expansion sleeve, through the elastic expansion compensation of thermal expansion and cold shrink, reduces the interface stress concentration, avoids the leakage caused by pipeline deformation, and uses the new type of temperature -resistant and aging -resistant sealing material, the elastic connecting device such as corrugated expansion sleeve will be deformed due to fatigue after long -term use Failure, and the adaptability to high frequency vibration environment is still limited, the rubber material will accelerate aging in the strong chemical corrosion environment, and needs to be replaced regularly. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortage, the utility model provides the anti -leakage connecting structure of heating engineering, aims at improving the problem of limited adaptability of elastic connecting device to high frequency vibration environment in prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: the water leakage prevention connecting structure of heating engineering, including roof, heating pipe one and heating pipe two, the outside of heating pipe one and the outside of heating pipe two are all fixedly connected with fastening hoop no.

[0006] As a further description of the above technical scheme:

[0007] The anti-seepage mechanism includes a nitrile rubber ring, the inner wall of the nitrile rubber ring is fixedly connected to the outer side of the heating pipe one and the outer side of the heating pipe two, the inner wall of the nitrile rubber ring is fixedly connected with a sealing rubber ring in the middle, the outer wall of the nitrile rubber ring is fixedly connected with an elastic support block on the front and back sides, the outer side of the heating pipe one and the outer side of the heating pipe two are fixedly connected with a water blocking ring, the outer side of the heating pipe one and the outer side of the heating pipe two are fixedly connected with a plurality of expansion waterstop, the bottom of the protective sleeve is communicated with a drain pipe, the outer side of the plurality of expansion waterstops is fixedly connected with the same metal bellows, and the outer side of the metal bellows is fixedly connected with a protective shell.

[0008] As a further description of the above technical scheme:

[0009] The inner wall of the protective sleeve is fixedly connected with a humidity sensor on the left and right sides, and the outer wall of the two fastening hoops one is fixedly connected with an alarm on the front side.

[0010] As a further description of the above technical scheme:

[0011] The outer wall top of the two fastening hoops one is fixedly connected with a rotating shaft, and the outer wall top of the two fastening hoops two is fixedly connected with a pin shaft.

[0012] As a further description of the above technical scheme:

[0013] Each of the hydraulic dampers is slidably connected to a screw on its upper and lower sides, and each of the screws is threaded with a hexagonal nut on its outer side.

[0014] As a further description of the above technical solution:

[0015] Both fastening clamps 1 and 2 have multiple riveting holes at their bottoms, and rivets are slidably connected to the inner walls of the multiple riveting holes.

[0016] As a further description of the above technical solution:

[0017] Each of the front and rear rigid moving columns has a buffer pad fixedly connected to an adjacent side, and the shape of each buffer pad is consistent with the shape of the rigid moving column.

[0018] As a further description of the above technical solution:

[0019] Multiple anti-slip strips are fixedly connected to the inner bottom walls of both limiting blocks, and the distance between the multiple anti-slip strips is the same.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, the fastening clamp is fixed by the adapter block and the hydraulic damper, so that the HVAC pipe can share the energy generated by high-frequency vibration when it vibrates. At the same time, the limiting block provides upward support for the HVAC pipe, and the guide rod can ensure that the forward and backward movement of the HVAC pipe during vibration can be restricted. The spring increases the service life and applicability of the guide rod, and the protective sleeve with shape memory alloy wire can prevent large bending at the connection and improve the adaptability to high-frequency vibration environment.

[0022] 2. In this utility model, the connection is sealed by nitrile rubber ring and sealing ring. At the same time, the elastic support block can help the nitrile rubber ring to better adapt to deformation when the pipe is thermally expanded. Meanwhile, when water seeps out, the water-blocking ring and expansion sealing strip can prevent water from flowing into the connection of other components, and the drain pipe can drain the seeping water to prevent water accumulation and corrosion of the components. Attached Figure Description

[0023] Figure 1 This is a perspective view of the leak-proof connection structure for HVAC engineering proposed in this utility model.

[0024] Figure 2 This is a front view of the leak-proof connection structure for HVAC engineering proposed in this utility model;

[0025] Figure 3 This is a schematic diagram of the nitrile rubber ring in the leak-proof connection structure for HVAC engineering proposed in this utility model.

[0026] Figure 4 The utility model discloses a split drawing of the guide rod of the water leakage prevention connecting structure of heating engineering,

[0027] Figure 5 The utility model discloses a split drawing of the screw of the water leakage prevention connecting structure of heating engineering,

[0028] Figure 6 The utility model discloses a split drawing of the dustproof gasket of the water leakage prevention connecting structure of heating engineering,

[0029] Figure 7 The utility model discloses a split drawing of the dustproof gasket of the water leakage prevention connecting structure of heating engineering,

[0030] Legend:

[0031] 1, top plate, 2, heating pipe one, 3, heating pipe two, 4, anti -infiltration mechanism, 401, nitrile rubber ring, 402, seal rubber ring, 403, elastic support block, 404, water ring, 405, expansion waterstop, 406, drain pipe, 407, metal bellows, 408, protective shell, 5, fastening hoop one, 6, fastening hoop two, 7, adapter block, 8, hydraulic damper, 9, protective sleeve, 10, memory alloy wire, 11, buffer damping ball, 12, fixed frame, 13, limit block, 14, guide rod, 15, hard mobile column, 16, spring, 17, humidity sensor, 18, alarm, 19, screw, 20, hexagon nut, 21, pin shaft, 22, rotating shaft, 23, riveting hole, 24, rivet, 25, dustproof gasket, 26, buffer pad, 27, antiskid strip. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely 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 the ordinary skill in the art without creative labor fall within the scope of the utility model.

[0033] Reference Figure 1 , Figure 4 and Figure 5The utility model provides a kind of embodiment: the water leakage prevention connecting structure of heating engineering, including roof 1, heating pipe one 2 and heating pipe two 3, the outside of heating pipe one 2 and the outside of heating pipe two 3 are all fixedly connected with fastening hoop one 5 and fastening hoop two 6, fastening hoop one 5 and fastening hoop two 6 are used to fix the structure component of water leakage prevention, avoid the loosening of water leakage prevention connecting component, the bottom of roof 1, the outer wall top of heating pipe one 2 and the outer wall top of heating pipe two 3 are all fixedly connected with multiple adapter blocks 7, adapter block 7 is used to connect hydraulic damper 8, the adjacent side of upper and lower side adapter blocks 7 is all fixedly connected with hydraulic damper 8, the influence of multiple hydraulic dampers 8 is reduced when each component is subjected to vibration, the outside of heating pipe one 2 and the outside of heating pipe two 3 are all fixedly connected with same protective sleeve 9, protective sleeve 9 provides position space for memory alloy wire 10, multiple memory alloy wires 10 are fixedly connected in protective sleeve 9, memory alloy wire 10 is used to restore original state when connecting place is bent due to vibration, avoid the phenomenon of water leakage, the inner wall of protective sleeve 9 is fixedly connected with multiple buffer damping balls 11, multiple buffer damping balls 11 are used to absorb the force generated by vibration, reduce the influence when being subjected to vibration, the bottom of roof 1 is fixedly connected with two fixed frames 12, two fixed frames 12 provide support for limiting block 13, the inner bottom wall of two fixed frames 12 is all fixedly connected with limiting block 13, limiting block 13 is used to support heating pipe upwards, avoid heating pipe to fall downwards, the inner wall of two fixed frames 12 is all fixedly connected with guide rod 14 before and after, guide rod 14 is used to guide the moving direction of spring 16, the adjacent side of front and back guide rods 14 is all fixedly connected with hard moving column 15, hard moving column 15 is used to transfer the force generated by spring 16, the side of front and back hard moving columns 15 is all fixedly connected with spring 16, heating pipe is maintained in fixed position by spring 16, the outside of heating pipe one 2 and the outside of heating pipe two 3 are all fixedly connected with dust gasket 25, dust gasket 25 is used to reduce the influence of dust on each component, the outside of heating pipe one 2 and the outside of heating pipe two 3 are all provided with anti-seepage mechanism 4, and anti-seepage mechanism 4 is used to prevent leakage at connecting place;

[0034] Specifically, the fastening hoop one 5 and the fastening hoop two 6 are respectively sleeved on the outer sides of the heating and ventilation pipe one 2 and the heating and ventilation pipe two 3, and are fixed by the screw 19 and the hexagonal nut 20, to ensure the stability of the water leakage prevention structure component. The adapter block 7 is installed on the bottom of the top plate 1 and the top outer wall of the heating and ventilation pipe one 2 and the heating and ventilation pipe two 3. The hydraulic damper 8 is connected between the upper and lower adjacent adapter blocks 7 to form a vibration buffering structure. The protective sleeve 9 is sleeved on the outer sides of the two heating and ventilation pipes, and the memory alloy wire 10 is fixed inside for anti-bending and resetting. The buffer damping ball 11 is fixed and installed on the inner wall for absorbing vibration energy. The fixed frame 12 is fixed on the bottom of the top plate 1, and the limiting block 13 is installed on the inner bottom wall of the fixed frame 12 for supporting the heating and ventilation pipe. The guide rod 14 is installed on the inner wall of the fixed frame 12 on the front and rear sides. The hard moving column 15 and the spring 16 are connected on the guide rod 14. The transverse displacement of the heating and ventilation pipe is limited by the spring 16. The dust gasket 25 is additionally installed on the outer sides of the heating and ventilation pipe one 2 and the heating and ventilation pipe two 3 to prevent dust from entering and affecting the sealing performance. When the heating and ventilation pipe is subjected to severe vibration, the hydraulic damper 8 absorbs high-frequency vibration energy, the limiting block 13 supports the pipeline upward to prevent the pipeline from falling, the guide rod 14 guides the transverse movement of the spring 16, and the spring 16 and the hard moving column 15 maintain the stability of the position of the heating and ventilation pipe. The memory alloy wire 10 in the protective sleeve 9 automatically resets the bending, and the buffer damping ball 11 further dissipates vibration energy. The dust gasket 25 blocks the dust from entering to ensure the long-term reliable operation of each component.

[0035] Referring to Figure 3 , Figure 6 and Figure 7The anti-leakage mechanism 4 comprises a nitrile rubber ring 401 for isolating corrosive substances in the heating and ventilation pipes, the inner wall of the nitrile rubber ring 401 is fixedly connected to the outer side of the heating and ventilation pipe one 2 and the outer side of the heating and ventilation pipe two 3, the middle of the inner wall of the nitrile rubber ring 401 is fixedly connected with a sealing rubber ring 402, the sealing rubber ring 402 can reduce water leakage, the outer wall of the nitrile rubber ring 401 is fixedly connected with elastic support blocks 403 on the front and back sides, when the pipeline is hot expanded, the elastic support blocks 403 can provide support force, assist the nitrile rubber ring 401 to better adapt to deformation, at the same time, the elastic support blocks 403 can also reduce the extrusion stress of the nitrile rubber ring 401, prolong the service life, the outer side of the heating and ventilation pipe one 2 and the outer side of the heating and ventilation pipe two 3 are fixedly connected with water blocking rings 404, the water blocking rings 404 serve as the second line of defense to prevent liquid from further leaking outward, the outer side of the heating and ventilation pipe one 2 and the outer side of the heating and ventilation pipe two 3 are fixedly connected with a plurality of expansion waterstop strips 405, the plurality of expansion waterstop strips 405 further fill the space, extrude the nitrile rubber ring 401 and the elastic support blocks 403, and enhance the overall sealing effect, the bottom of the protective sleeve 9 is communicated with a drain pipe 406, the drain pipe 406 can drain water in time, avoid water immersion for a long time to cause damage to parts, the outer side of the plurality of expansion waterstop strips 405 is fixedly connected with the same metal bellows 407, the metal bellows 407 has good stretchability and flexibility, can adapt to the thermal expansion and contraction and vibration of the pipeline, at the same time, the metal bellows 407 can protect the internal sealing structure, the outer side of the metal bellows 407 is fixedly connected with a protective shell 408, the protective shell 408 is used for protecting the metal bellows 407;

[0036] Specific, using cleaning agent and clean cloth, thoroughly clean the outside of the heating pipe two 2 and heating pipe two 3 connecting parts, remove oil, dust and rust, ensure the surface is clean and smooth, to facilitate the installation and sealing of parts, in the middle of the nitrile rubber ring 401 inner wall, apply an appropriate amount of adhesive, quickly and accurately placed and pressed in the predetermined position, ensure the sealing ring 402 and nitrile rubber ring 401 bonding, nitrile rubber ring 401 set in the heating pipe two 2 connecting parts outside, ensure the position is accurate, then in the same way set in the corresponding position of the heating pipe two 3, make nitrile rubber ring 401 closely fitted pipe wall, mark the installation position on the front and back side of nitrile rubber ring 401 outer wall, after applying adhesive, the elastic support block 403 is accurately pasted in the marked place, gently press the elastic support block 403 fixed, in the outside of the heating pipe two 2 and heating pipe two 3, at a suitable position from the nitrile rubber ring 401, after applying adhesive, the water ring 404 and a plurality of expansion waterstop 405 are fixed in turn on the pipe, in the bottom of the protective sleeve 9 hole, ensure the size of the hole and the drain pipe 406 pipe diameter adaptation, one end of the drain pipe 406 is inserted into the hole, using sealant for sealing treatment, ensure the connection is tight, prevent water leakage, the metal bellows 407 is set in the pipe outside of the installed expansion waterstop 405, make the metal bellows 407 cover the internal sealing structure, in the metal bellows 407 outside, the protective shell 408 is installed and fixed on the metal bellows 407, ensure the protective shell 408 tightly wrapped metal bellows 407, play a protective role.

[0037] Referring to Figure 1 , Figure 2 and Figure 3The inner wall of the protective sleeve 9 is fixedly connected with humidity sensors 17 on the left and right sides, the humidity sensors 17 are used for detecting the humidity outside the connection, the outer wall of the two fastening hoops one 5 is fixedly connected with alarm 18 on the front side, when the humidity sensor 17 checks the moral data change is larger, the alarm 18 reminds the staff, the outer wall of the two fastening hoops one 5 is fixedly connected with the rotating shaft 22 on the top, the outer wall of the two fastening hoops two 6 is fixedly connected with the pin shaft 21 on the top, the rotating shaft 22 and the pin shaft 21 make the installation between the fastening hoop one 5 and the fastening hoop two 6 convenient, the upper and lower sides of the plurality of hydraulic dampers 8 are slidably connected with screws 19, the outer sides of the plurality of screws 19 are threadedly connected with hexagonal nuts 20, the adapter block 7 and the hydraulic damper 8 are fixed through the screws 19 and the hexagonal nuts 20, the bottoms of the two fastening hoops one 5 and the fastening hoop two 6 are provided with a plurality of riveting holes 23, the inner walls of the plurality of riveting holes 23 are slidably connected with rivets 24, the plurality of riveting holes 23 and the rivets 24 fix the fastening hoop one 5 and the fastening hoop two 6, the adjacent sides of the front and rear hard moving columns 15 are fixedly connected with buffer pads 26, the buffer pads 26 are used for reducing the impact force of the hard moving column 15 on the heating and ventilation pipe, the shapes of the plurality of buffer pads 26 are consistent with the shape of the hard moving column 15, the inner bottom walls of the two limit blocks 13 are fixedly connected with a plurality of anti-skid strips 27, the distances between the plurality of anti-skid strips 27 are the same, the plurality of anti-skid strips 27 are used for increasing the friction between the limit block 13 and the heating and ventilation pipe;

[0038] Specifically, mark the installation position on the left and right sides of the inner wall of the protective sleeve 9 in advance to ensure that the humidity sensor 17 can detect the humidity outside the connection after installation, use appropriate adhesive to fix the humidity sensor 17 at the marked position, ensure that the humidity sensor 17 is closely attached to the inner wall of the protective sleeve 9, and avoid line entanglement or exposure, select an appropriate installation area on the front side of the outer wall of the two fastening hoops 5, fix the alarm 18, and connect the line between the alarm 18 and the humidity sensor 17, so that they can communicate normally, when the humidity sensor 17 detects that the data changes greatly beyond the set threshold, the alarm 18 can send a prompt signal in time, the pin shaft 21 cooperates with the rotating shaft 22, and the convenient rotating connection between the fastening hoop 5 and the fastening hoop 6 can be realized, which is convenient for subsequent installation and adjustment, place the adapter block 7 at the predetermined position, align the mounting holes of the multiple hydraulic dampers 8 with the mounting holes of the adapter block 7, pass the screws 19 through the mounting holes of the hydraulic dampers 8 and the corresponding holes of the adapter block 7, then screw the hex nuts 20 on the outside of the screws 19, fix the adapter block 7 and the hydraulic dampers 8, put the fastening hoop 5 and the fastening hoop 6 on the predetermined position outside the heating and ventilation pipe 2 and the heating and ventilation pipe 3 respectively, align the riveting holes 23, insert the rivets 24 into the riveting holes 23, use riveting tools to rivet the rivets 24, and ensure that the fastening hoops are fixed on the heating and ventilation pipes, apply an appropriate amount of adhesive to the contact surface of the buffer pad 26 and the hard moving column 15, accurately paste the buffer pad 26 to the hard moving column 15, and bond the buffer pad 26 and the hard moving column 15, which effectively reduces the impact force on the heating and ventilation pipe, and the multiple anti-skid strips 27 can increase the friction between the limiting block 13 and the heating and ventilation pipe to prevent the heating and ventilation pipe from sliding on the limiting block 13.

[0039] Working principle: fastening hoop one 5 and fastening hoop two 6 are respectively sleeved outside the warm air pipe one 2 and the warm air pipe two 3, which provides a stable installation foundation for the whole water leakage prevention structure, ensures that the relative position of each component remains stable during operation, when the warm air pipe is subjected to severe vibration, the vibration energy is transmitted to the hydraulic damper 8, the hydraulic damper 8 converts the high-frequency vibration energy into heat energy form and dissipates it, thereby reducing the vibration amplitude of each component and reducing the influence of vibration on the whole connection structure, when the warm air pipe has a transverse displacement trend, the spring 16 generates elastic restoring force, the guide rod 14 ensures that the spring 16 can only stretch and contract along a specific transverse direction, avoiding damage caused by the spring 16 exerting force in the wrong direction, the hard moving column 15 plays a role in transmitting force and maintaining the position stability of the warm air pipe in the vibration environment, reducing the risk of loosening caused by transverse displacement, when the connection part is bent due to vibration, the memory alloy wire 10 automatically restores to the original shape under the action of temperature and stress, thereby restoring the connection part to its original state, effectively avoiding the phenomenon of pipe rupture or sealing failure caused by excessive bending, which leads to water leakage, when the warm air pipe vibrates, the buffer damping ball 11 collides with the inner wall of the protective sleeve 9, converting the vibration kinetic energy into heat energy, further reducing the damage of vibration to the pipe connection, when the warm air pipe is subjected to downward force, the limiting block 13 supports the pipe upward to prevent the pipe from falling downward, maintaining the integrity and stability of the pipe connection;

[0040] And, the nitrile rubber ring 401 has good corrosion resistance, tightly fits on the outside of the first heating pipe 2 and the second heating pipe 3, insulates the corrosive substances in the pipes, prevents the corrosive substances from eroding the outside structure, guarantees the long-term stable operation of the entire anti-leakage mechanism 4, the sealing rubber ring 402 in the middle of the inner wall of the nitrile rubber ring 401, by virtue of its sealing performance, further fills the small gap between the nitrile rubber ring 401 and the pipeline, when there is moisture, the sealing rubber ring 402 can effectively prevent water from leaking through the gap, enhancing the overall waterproof effect, when the pipeline is heat-expanded, the pipe diameter increases, the nitrile rubber ring 401 is extruded, at this time, the elastic supporting blocks 403 on the front and back sides of the outer wall of the nitrile rubber ring 401 provide additional supporting force, assisting the nitrile rubber ring 401 to better adapt to the deformation of the pipeline, maintaining the close fit with the pipeline, and being able to disperse the extrusion stress suffered by the nitrile rubber ring 401, thereby prolonging the service life of the nitrile rubber ring 401 and ensuring the durability of the sealing performance, when liquid breaks through the nitrile rubber ring 401 and the sealing rubber ring 402, the water-blocking ring 404 can block the liquid from further leaking outward, the plurality of expansion water-stopping strips 405 are fixed around the pipeline, when moisture contacts the expansion water-stopping strips 405, the water-stopping strips are expanded, the volume is increased, further filling the gap between the pipeline and the sealing structure, enhancing the overall sealing effect and preventing moisture from leaking, the drain pipe 406 connected to the bottom of the protective sleeve 9 can timely drain the accumulated water in the protective sleeve 9, protecting the components from being eroded by the accumulated water, the metal corrugated pipe 407 has good stretchability and flexibility, being able to adapt to the thermal expansion and contraction and vibration of the pipeline during operation, the protective shell 408 provides additional protection for the metal corrugated pipe 407, preventing the metal corrugated pipe 407 from being affected by external impact and wear, prolonging the service life of the metal corrugated pipe 407.

[0041] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A water leakage preventing connecting structure for heating, ventilation and air conditioning, comprising a top plate (1), a heating, ventilation and air conditioning pipe I (2) and a heating, ventilation and air conditioning pipe II (3), characterized in that: The outer side of the first heating pipe (2) and the outer side of the second heating pipe (3) are fixedly connected with a fastening hoop one (5) and a fastening hoop two (6), the bottom of the roof (1), the outer wall top of the first heating pipe (2) and the outer wall top of the second heating pipe (3) are fixedly connected with a plurality of adapter blocks (7), the adjacent side of the adapter blocks (7) is fixedly connected with a hydraulic damper (8), the outer side of the first heating pipe (2) and the outer side of the second heating pipe (3) are fixedly connected with the same protective sleeve (9), the inside of the protective sleeve (9) is fixedly connected with a plurality of memory alloy wires (10), the inner wall of the protective sleeve (9) is fixedly connected with a plurality of buffer damping balls (11), the bottom of the roof (1) is fixedly connected with two fixed frames (12), the inner bottom wall of the two fixed frames (12) is fixedly connected with a limiting block (13), the inner wall of the two fixed frames (12) is fixedly connected with a guide rod (14), the adjacent side of the guide rod (14) is fixedly connected with a hard moving column (15), the far side of the hard moving column (15) is fixedly connected with a spring (16), the outer side of the first heating pipe (2) and the outer side of the second heating pipe (3) are fixedly connected with a dust gasket (25), the outer side of the first heating pipe (2) and the outer side of the second heating pipe (3) are provided with a leakage prevention mechanism (4), and the leakage prevention mechanism (4) is used to prevent leakage at the connection.

2. The water leakage preventing connection structure for heating, ventilation, and air conditioning engineering according to claim 1, characterized by: The leakage prevention mechanism (4) comprises a nitrile rubber ring (401), the inner wall of the nitrile rubber ring (401) is fixedly connected with the outer side of the first heating pipe (2) and the outer side of the second heating pipe (3), the inner wall of the nitrile rubber ring (401) is fixedly connected with a sealing rubber ring (402), the outer wall of the nitrile rubber ring (401) is fixedly connected with an elastic support block (403), the outer side of the first heating pipe (2) and the outer side of the second heating pipe (3) are fixedly connected with a water blocking ring (404), the outer side of the first heating pipe (2) and the outer side of the second heating pipe (3) are fixedly connected with a plurality of expansion waterstop strips (405), the bottom of the protective sleeve (9) is communicated with a drain pipe (406), the outer side of the plurality of expansion waterstop strips (405) is fixedly connected with the same metal bellows (407), and the outer side of the metal bellows (407) is fixedly connected with a protective shell (408).

3. The water leakage preventing connection structure for heating, ventilation, and air conditioning engineering according to claim 2, characterized by: The inner wall of the protective sleeve (9) is fixedly connected with a humidity sensor (17) on the left and right sides, and the outer wall of the two fastening hoop one (5) is fixedly connected with an alarm (18) on the front side.

4. The water leakage preventing connection structure for heating, ventilation, and air conditioning engineering according to claim 1, characterized by: The outer wall top of the two fastening hoop one (5) is fixedly connected with a rotating shaft (22), and the outer wall top of the two fastening hoop two (6) is fixedly connected with a pin shaft (21).

5. The water leakage preventing connection structure for heating, ventilation, and air conditioning engineering according to claim 1, characterized by: The upper and lower sides of the plurality of hydraulic dampers (8) are slidingly connected with screws (19), and the outer sides of the plurality of screws (19) are threadedly connected with hexagonal nuts (20).

6. The water leakage preventing connection structure for heating, ventilation, and air conditioning engineering according to claim 4, characterized by: The bottom of each of the two fastening hoops (5) and (6) is provided with a plurality of rivet holes (23), and the inner wall of each of the plurality of rivet holes (23) is slidably connected with a rivet (24).

7. The water leakage preventing connection structure for heating, ventilation, and air conditioning engineering according to claim 1, characterized by: The adjacent side of each of the front and rear hard moving columns (15) is fixedly connected with a buffer pad (26), and the shape of each of the plurality of buffer pads (26) is consistent with that of the hard moving column (15).

8. The water leakage preventing connection structure for heating, ventilation, and air conditioning engineering according to claim 1, characterized by: The inner bottom wall of each of the two limiting blocks (13) is fixedly connected with a plurality of anti-skid strips (27), and the distance between the plurality of anti-skid strips (27) is the same.

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