Building heating and ventilation pipeline connecting structure

Abstract

The utility model discloses a building heating and ventilation pipeline connecting structure, and relates to the field of heating and ventilation pipelines, the building heating and ventilation pipeline connecting structure comprises a first heating and ventilation pipe and a second heating and ventilation pipe, the first heating and ventilation pipe and the second heating and ventilation pipe are connected in a limiting mode through a limiting piece, and the first heating and ventilation pipe comprises a first pipe body and a first pipe opening; the second heating and ventilation pipe comprises a second pipe body and a second pipe opening, the first pipe opening and the second pipe opening are connected in an attached mode, and the first pipe opening and the second pipe opening are connected in a reinforced mode through a reinforcing piece. The connecting stability is ensured in various modes, the limiting knob in the limiting piece is matched with the limiting hole, and the first pipe body and the second pipe body are further limited; a limiting plate in the reinforcing piece is inserted into a matching groove to achieve a preliminary limiting effect; the threaded ring is matched with the external threads of the first pipe opening and the second pipe opening, primary limiting is achieved, multiple limiting modes are matched with one another, the influence of factors such as pipeline vibration and thermal expansion and cold contraction can be effectively resisted, and the connection stability is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of heating and ventilation pipeline, specifically, relate to building heating and ventilation pipeline connecting structure. BACKGROUND

[0002] Heating and ventilation means heating, ventilation and central air conditioning, in practical application, all need to transfer cold source or heat source through pipeline, and the connection of pipeline is particularly important, because if the pipeline is not connected tightly, the connection will leak cold source or heat source, causing energy loss, therefore, the connection of pipeline is particularly important.

[0003] The utility model discloses a building heating and ventilation pipeline connecting device, including the body, the body includes first connecting structure and second connecting structure, the first connecting structure is the taper structure, and the first connecting structure is provided with the taper hole, the bottom of first connecting structure is provided with the first connecting ring groove, and the first connecting ring groove is connected with the first pipeline. The building heating and ventilation pipeline connecting device is connected through the first connecting structure and the second connecting structure, and the gas is transmitted to the gasbag ring through the action of the gasbag in the connecting process, so that the gasbag ring causes the pressure to the connected pipeline, so that the utility model and the pipeline are connected more tightly, and the utility model support is also connected tightly through the connection of the connecting ring. However, the existing building heating and ventilation pipeline connecting device mainly relies on the pressure of the gasbag ring and the connection of the connecting ring to realize the connection of the pipeline. However, only through the two ways, when facing the complex working conditions such as pipeline vibration, thermal expansion and cold shrinkage, it may not provide enough connection stability, and the loose or even falling off may occur, which affects the normal operation of the heating and ventilation system. Moreover, although the existing device uses the gasbag ring to apply pressure to the connected pipeline to enhance sealing, the sealing mode of the gasbag ring is relatively single, and for some slight gaps or sealing problems caused by pipeline deformation, it may not be effectively solved, and there is a risk of incomplete sealing and leakage. In view of this, the utility model is proposed. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0005] The building heating and ventilation pipeline connecting structure comprises a first heating and ventilation pipeline and a second heating and ventilation pipeline, and is characterized in that the first heating and ventilation pipeline and the second heating and ventilation pipeline are connected through a limiting piece.

[0006] The first heating and ventilation pipeline comprises a first pipeline body and a first pipeline opening.

[0007] The second heating and ventilation pipeline comprises a second pipeline body and a second pipeline opening.

[0008] The first pipe mouth and the second pipe mouth are connected in close contact, and the first pipe mouth and the second pipe mouth are connected through a reinforcing piece, and the inner parts of the first pipe mouth and the second pipe mouth are respectively provided with air bag mechanisms, and the two air bag mechanisms are in close contact with each other and are used for sealing the first pipe mouth and the second pipe mouth.

[0009] Preferably, the reinforcing piece comprises a plurality of matching grooves arranged in a ring array and formed on the inner wall of the first pipe mouth opening and a plurality of limiting plates arranged in a ring array and fixed at the end of the second pipe mouth, and the limiting plates and the matching grooves are matched.

[0010] Preferably, the outer side of the end of the first pipe mouth is provided as an inclined mouth, and the outer side of the end of the second pipe mouth is bonded with a rubber ring corresponding to the inclined mouth.

[0011] Preferably, the air bag assembly in the first pipe mouth comprises a first air bag bonded to the inner wall of the first pipe mouth, one end of the first air bag is provided with a first inflation port, and the outer side wall of the other end of the first pipe mouth is provided with a first inflation head; and the air bag mechanism in the second pipe mouth comprises a second air bag bonded to the inner wall of the second pipe mouth, one end of the second air bag is provided with a second inflation port, and the outer side wall of the other end of the second pipe mouth is provided with a second inflation head.

[0012] Preferably, the outer side wall of the first pipe mouth and the outer side wall of the second pipe mouth are both provided with external threads, the outer side of the second pipe mouth is sleeved with a threaded ring, and the threaded ring is matched with the external threads on the first pipe mouth.

[0013] Preferably, the limiting piece comprises an extension plate fixed to the two side walls of the second pipe body, one end of the extension plate is provided with a screw groove, the inside of the screw groove is connected with a limiting knob in penetration, and one end of the limiting knob is matched with a limiting hole formed on the first pipe body.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model ensures the stability of connection through various ways, the limiting knob in the limiting piece is matched with the limiting hole, and the first pipe body and the second pipe body are further limited; the limiting plate in the reinforcing piece is inserted into the matching groove and plays a preliminary limiting role; the threaded ring is matched with the external threads of the first pipe mouth and the second pipe mouth, preliminary limiting is realized, various limiting modes are matched with each other, can effectively resist the influence of factors such as pipeline vibration, thermal expansion and cold shrinkage, greatly improve the stability of connection, and guarantee the reliable operation of the heating system.

[0016] The utility model discloses a double sealing structure is adopted, on one hand, the oblique mouth of first pipe mouth and the rubber ring contact of second pipe mouth, can realize primary sealing, on the other hand, the air bag mechanism in first pipe mouth and second pipe mouth, through the inflation to first air bag and second air bag, make both contact and close adhesion, and the convex and the slot of first air bag and second air bag further enhance sealing effect, this double sealing structure can effectively prevent the leakage of connecting place, ensure the sealing property and security of warm air pipe system.

[0017] The utility model discloses a concrete implementation mode makes further detailed description below in combination with the drawing. DRAWINGS

[0018] In the drawings:

[0019] Fig. 1 It is whole structure schematic diagram of the utility model;

[0020] Fig. 2 It is first warm air pipe structure schematic diagram of the utility model;

[0021] Fig. 3 It is second warm air pipe structure schematic diagram of the utility model.

[0022] In the drawing: first warm air pipe 1, first pipe body 11, limit hole 12, first pipe mouth 13, first air bag 14, first inflation mouth 15, first inflation head 16, oblique mouth 17, cooperation slot 18, second warm air pipe 2, second pipe body 21, second pipe mouth 22, second air bag 23, second inflation mouth 24, second inflation head 25, screw ring 26, rubber ring 27, limit plate 28, limit piece 3, extension plate 31, screw groove 32, limit knob 33. CONCRETE IMPLEMENTATION

[0023] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, below will combine the drawing in the utility model embodiment, and the technical scheme in the embodiment is clearly and completely described, and the following embodiment is used to explain the utility model.

[0024] As Figs. 1 to 3 Shown, building warm air pipe connection structure includes first warm air pipe 1 and second warm air pipe 2, and the first warm air pipe 1 includes first pipe body 11 and first pipe mouth 13, and the second warm air pipe 2 includes second pipe body 21 and second pipe mouth 22.

[0025] Specifically, the first heating pipe 1 and the second heating pipe 2 are limitedly connected through the limiting piece 3, the limiting piece 3 comprises the extension plate 31 fixed on the two side walls of the second pipe body 21, one end of the extension plate 31 is provided with the screw groove 32, the inside of the screw groove 32 is penetrated and connected with the limiting knob 33, one end of the limiting knob 33 is matched with the limiting hole 12 provided on the first pipe body 11.

[0026] Specifically, the outer side wall of the first pipe opening 13 and the second pipe opening 22 is provided with the external thread, the second pipe opening 22 is sleeved with the threaded ring 26, the threaded ring 26 is matched with the external thread on the first pipe opening 13, the end of the first pipe opening 13 is provided with the inclined opening 17, the end of the second pipe opening 22 is bonded with the rubber ring 27, the rubber ring 27 is matched with the inclined opening 17.

[0027] More specifically, the first pipe opening 13 and the second pipe opening 22 are connected in close contact, and the first pipe opening 13 and the second pipe opening 22 are connected through the reinforcing piece, the reinforcing piece comprises the multiple matching grooves 18 arranged in the annular array on the inner wall of the first pipe opening 13 and the multiple limiting plates 28 arranged in the annular array and fixed on the end of the second pipe opening 22, the limiting plate 28 is matched with the matching groove 18.

[0028] More specifically, the inner part of the first pipe opening 13 and the second pipe opening 22 is respectively provided with the air bag mechanism, the two air bag mechanisms are in close contact with each other, and are used for sealing the first pipe opening 13 and the second pipe opening 22, the air bag assembly in the first pipe opening 13 comprises the first air bag 14 bonded on the inner wall of the first pipe opening 13, one end of the first air bag 14 is provided with the first inflation opening 15, the other end of the first pipe opening 13 is provided with the first inflation head 16 on the outer side wall, the air bag mechanism in the second pipe opening 22 comprises the second air bag 23 bonded on the inner wall of the second pipe opening 22, one end of the second air bag 23 is provided with the second inflation opening 24, the other end of the second pipe opening 22 is provided with the second inflation head 25 on the outer side wall, the first air bag 14 and the second air bag 23 are respectively provided with the protrusion and the notch corresponding to each other, which are used for connecting and sealing.

[0029] When the device is installed, first, the limiting plate 28 on the second pipe 22 is inserted into the matching groove 18 on the first pipe 13 until the inclined opening 17 on the first pipe 13 contacts the rubber ring 27 on the second pipe 22, which plays a role of preliminary limiting; when the first pipe 13 and the second pipe 22 are matched, the external threads on the first pipe 13 and the second pipe 22 are connected, then the threaded ring 26 on the second pipe 22 is screwed until the threaded ring 26 is screwed onto the first pipe 13, which preliminarily limits the first pipe 13 and the second pipe 22; at this time, the screw groove 32 on the extension plate 31 corresponds to the limiting hole 12 on the first pipe body 11, the limiting knob 33 is screwed, one end of the limiting knob 33 is screwed into the limiting hole 12, which further limits the first pipe body 11 and the second pipe body 21; finally, the first air bag 14 and the second air bag 23 are inflated through the first inflation head 16 and the second inflation head 25 respectively until the first air bag 14 and the second air bag 23 contact, at this time, the first air bag 14 and the second air bag 23 are matched to play a role of sealing, which avoids leakage at the connection.

[0030] Finally, it should be noted that: the above only for the 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 can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A structure for connecting heating and ventilation pipes in a building, characterized by The utility model provides a first warm and the second warm, and the first warm and the second warm are limitedly connected through the limiting piece between them. The first warm includes a first pipe body and a first pipe opening. The second warm includes a second pipe body and a second pipe opening. The first pipe opening and the second pipe opening are connected in close contact, and the first pipe opening and the second pipe opening are connected through the reinforcing piece, the inner part of the first pipe opening and the second pipe opening is respectively provided with a gasbag mechanism, and the two gasbag mechanisms are in close contact with each other and are used for sealing the first pipe opening and the second pipe opening.

2. The construction HVAC duct connection structure according to claim 1, wherein The reinforcing piece includes a plurality of cooperation slots in annular array distribution arranged on the inner wall of the first pipe opening opening and a plurality of limiting plates in annular array distribution fixed at the end of the second pipe opening, and the limiting plate and the cooperation slot are matched.

3. The constructional heating and ventilating duct connection structure according to claim 1, wherein The end outside of the first pipe opening is provided as an inclined opening, the end outside of the second pipe opening is bonded with a rubber ring, and the rubber ring corresponds to the inclined opening.

4. The constructional heating and ventilating duct connection structure according to claim 1, wherein The gasbag assembly in the first pipe opening includes a first gasbag bonded on the inner wall of the first pipe opening, one end of the first gasbag is provided with a first inflation opening, the outer side wall of the other end of the first pipe opening is provided with a first inflation head, the gasbag mechanism in the second pipe opening includes a second gasbag bonded on the inner wall of the second pipe opening, one end of the second gasbag is provided with a second inflation opening, and the outer side wall of the other end of the second pipe opening is provided with a second inflation head.

5. The constructional heating and ventilating duct connection structure according to claim 1, wherein The outer side wall of the first pipe opening and the second pipe opening is provided with an external thread, the outer side of the second pipe opening is sleeved with a threaded ring, and the threaded ring is matched with the external thread on the first pipe opening.

6. The constructional heating and ventilating duct connection structure according to claim 1, wherein The limiting piece includes an extension plate fixed on the two side walls of the second pipe body, one end of the extension plate is provided with a screw groove, the inside of the screw groove is penetrated and connected with a limiting knob, and one end of the limiting knob is matched with a limiting hole arranged on the first pipe body.

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