CN218063784U

CN218063784U - Pipeline connecting structure for heating and ventilation construction

Info

Publication number: CN218063784U
Application number: CN202220477074.4U
Authority: CN
Inventors: 李波
Original assignee: Chengdu Jingzhi Hvac Engineering Co ltd
Current assignee: Chengdu Jingzhi Hvac Engineering Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-12-16
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses a warm pipe connection structure for construction that leads to, including inner tube and outer tube, and the inner tube setting is in the inside of outer tube, the middle part outside of inner tube is provided with the connecting piece, and inner tube and outer tube pass through connecting piece fixed connection, the inside wall embedding of outer tube is provided with elastic ring, and elastic ring and outer tube fixed welding, elastic ring's inboard embedding is provided with the second sealing washer, elastic ring's the outside is provided with the hoop, the top of hoop is provided with tightens up the piece, and the both ends of hoop all with tighten up the piece and be connected. The utility model discloses an in inserting the space that forms between inner tube and the outer tube with first body and second body, then rotate and tighten up a rolling hoop both ends, the elastic ring is tightened to the hoop, makes elastic ring extrusion second sealing washer, behind this structural connection pipe fitting, does the extrusion to the sealing washer of pipe fitting junction and consolidates the processing, the leakproofness is good.

Description

Pipeline connecting structure for heating and ventilation construction

Technical Field

The utility model relates to a connection structure field, concretely relates to pipeline connection structure is used in warm logical construction.

Background

The central air conditioning system is composed of one or more cold and heat source systems and a plurality of air conditioning systems, the system is different from the traditional refrigerant type air conditioner, the air is intensively processed (such as a single machine, VRV) to achieve the comfort requirement, the liquid gasification refrigeration principle is adopted to provide the required cold energy for the air conditioning system to offset the heat load of the indoor environment, the heating system provides the required heat for the air conditioning system to offset the cold and heat load of the indoor environment, and the pipelines of the central air conditioner are connected through a connecting structure;

the pipeline provides the passageway of ventilating in order to realize the heating, and in the warm construction of ventilating, for satisfying remote heating demand, need lay the pipeline that corresponds length, consequently need use pipeline connection structure to splice and assemble in order to obtain the heating passageway that accords with the size to the multiunit pipeline.

The prior art has the following defects: after two sections pipelines are connected by the existing connecting structure, the sealing ring is mainly added for sealing, the sealing ring is directly sleeved between the pipe bodies without reinforcement treatment, and the defect of insufficient sealing performance still exists, so that leakage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a warm pipeline connection structure for construction that leads to it is not enough in the solution background art.

In order to achieve the above object, the present invention provides the following technical solutions: a pipeline connecting structure for heating and ventilation construction comprises an inner pipe and an outer pipe, wherein the inner pipe is arranged inside the outer pipe, a connecting piece is arranged on the outer side of the middle of the inner pipe, and the inner pipe is fixedly connected with the outer pipe through the connecting piece;

preferably, the inside wall embedding of outer tube is provided with the elastic ring, and elastic ring and outer tube fixed weld, the inboard embedding of elastic ring is provided with the second sealing washer, the outside of elastic ring is provided with the hoop, the top of hoop is provided with tightens up the piece, and the both ends of hoop all with tighten up the piece and be connected.

Preferably, the outer side of the inner pipe is further sleeved with a first sealing ring, the position of the second sealing ring corresponds to that of the first sealing ring, when the second sealing ring is pressed, the first sealing ring can be extruded by the first pipe body and the second pipe body, the first sealing ring is used for sealing the inner walls of the first pipe body and the second pipe body, the second sealing ring is used for sealing the outer walls of the first pipe body and the second pipe body, and the sealing performance of the connecting structure is further improved.

Preferably, the first sealing ring and the second sealing ring are both made of rubber materials, so that the sealing performance is better;

preferably, the inner pipe, the outer pipe and the connecting piece are made of carbon steel materials, the hardness is high, the shock resistance is good, and the elastic ring is made of spring steel materials and has elasticity.

Preferably, the connecting piece is the ring, respectively with inner tube and outer pipe layer integral type structural design, the piece of receiving is the horizontal pole, fixes the both ends of band respectively at the both ends of horizontal pole, can receive tight band when rotating the horizontal pole, and the band is made for the iron wire.

In the technical scheme, the utility model provides a technological effect and advantage:

the utility model discloses an in inserting the space that forms between inner tube and the outer tube with first body and second body, then rotate and tighten up a rolling hoop both ends, the elastic ring is tightened to the hoop, makes elastic ring extrusion second sealing washer, behind this structural connection pipe fitting, does the extrusion to the sealing washer of pipe fitting junction and consolidates the processing, the leakproofness is good.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a longitudinal sectional view of the present invention.

Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1 according to the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

Description of reference numerals:

1. a first pipe body; 2. a second tube body; 3. an inner tube; 4. an outer tube; 5. a connecting member; 6. a first seal ring; 7. a second seal ring; 8. an elastic ring; 9. a hoop; 10. a take-up member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Example 1

Referring to fig. 1, the pipe connection structure for heating and ventilation construction according to the present embodiment is different from the prior art in that the pipe connection structure for heating and ventilation construction includes an inner pipe 3 and an outer pipe 4, the inner pipe 3 is disposed inside the outer pipe 4, a connecting member 5 is disposed at an outer side of a middle portion of the inner pipe 3, and the inner pipe 3 is fixedly connected to the outer pipe 4 through the connecting member 5;

an elastic ring 8 is embedded in the inner side wall of the outer tube 4, the elastic ring 8 is fixedly welded with the outer tube 4, a second sealing ring 7 is embedded in the inner side of the elastic ring 8, a hoop 9 is arranged on the outer side of the elastic ring 8, a tightening piece 10 is arranged at the top of the hoop 9, and two ends of the hoop 9 are connected with the tightening piece 10;

during the use, insert first body 1 and second body 2 in the space that forms between inner tube 3 and the outer tube 4, then rotate 10 rolling hoop 9 both ends of tightening piece, the elastic ring 8 is tightened to hoop 9, makes elastic ring 8 extrusion second sealing washer 7, and after this structural connection pipe fitting, do the extrusion reinforcement to the sealing washer of pipe fitting junction and handle, the leakproofness is good.

Example 2

Referring to fig. 1, the pipe connection structure for heating and ventilation construction according to the present embodiment is different from the prior art in that the pipe connection structure includes an inner pipe 3 and an outer pipe 4, the inner pipe 3 is disposed inside the outer pipe 4, a connecting member 5 is disposed outside a middle portion of the inner pipe 3, and the inner pipe 3 is fixedly connected to the outer pipe 4 through the connecting member 5;

referring to fig. 2, an elastic ring 8 is embedded in the inner side wall of the outer tube 4, the elastic ring 8 is fixedly welded to the outer tube 4, a second sealing ring 7 is embedded in the inner side of the elastic ring 8, a hoop 9 is arranged on the outer side of the elastic ring 8, a tightening member 10 is arranged on the top of the hoop 9, and two ends of the hoop 9 are connected to the tightening member 10;

The outside of inner tube 3 still overlaps and is equipped with first sealing washer 6, and second sealing washer 7 is corresponding with first sealing washer 6 position, and when second sealing washer 7 pressurized, first sealing washer 6 also can be extruded to first body 1 and second body 2, and first sealing washer 6 is sealed the processing for the inner wall of first body 1 and second body 2, and second sealing washer 7 is sealed the processing for the outer wall of first body 1 and second body 2, further improves connection structure's sealing performance.

Example 3

As shown in fig. 3, a first sealing ring 6 is further sleeved outside the inner tube 3, and the second sealing ring 7 corresponds to the first sealing ring 6, when the second sealing ring 7 is pressed, the first sealing ring 6 is also extruded by the first tube 1 and the second tube 2, the first sealing ring 6 performs sealing treatment on the inner walls of the first tube 1 and the second tube 2, and the second sealing ring 7 performs sealing treatment on the outer walls of the first tube 1 and the second tube 2, so as to further improve the sealing performance of the connection structure.

Furthermore, in the embodiment, the first sealing ring 6 and the second sealing ring 7 are both made of rubber materials, so that the sealing performance is better;

the inner pipe 3, the outer pipe 4 and the connecting piece 5 are made of carbon steel materials, the hardness is high, the shock resistance is good, and the elastic ring 8 is made of spring steel materials and has elasticity.

Connecting piece 5 is the ring, respectively with 4 layers of integral type structural design of inner tube 3 and outer tube, tightening member 10 is the horizontal pole, fixes the both ends at the horizontal pole respectively with the both ends of band 9, can tighten up band 9 when rotating the horizontal pole, and band 9 is made for the iron wire.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a pipe connection structure is used in warm construction that leads to which characterized in that: the pipe joint comprises an inner pipe (3) and an outer pipe (4), wherein the inner pipe (3) is arranged inside the outer pipe (4), a connecting piece (5) is arranged on the outer side of the middle part of the inner pipe (3), and the inner pipe (3) is fixedly connected with the outer pipe (4) through the connecting piece (5);

the inside wall embedding of outer tube (4) is provided with elastic ring (8), and elastic ring (8) and outer tube (4) fixed weld, the inboard embedding of elastic ring (8) is provided with second sealing washer (7), the outside of elastic ring (8) is provided with hoop (9), the top of hoop (9) is provided with tightens up piece (10), and the both ends of hoop (9) all with tighten up piece (10) and be connected.

2. The pipe connecting structure for heating and ventilation construction according to claim 1, wherein: the outer side of the inner pipe (3) is further sleeved with a first sealing ring (6), and the second sealing ring (7) corresponds to the first sealing ring (6).

3. The pipe connecting structure for heating and ventilation construction according to claim 2, wherein: the first sealing ring (6) and the second sealing ring (7) are both made of rubber materials.

4. The pipe connecting structure for heating and ventilation construction according to claim 1, wherein: the inner pipe (3), the outer pipe (4) and the connecting piece (5) are made of carbon steel materials, and the elastic ring (8) is made of spring steel materials.

5. The pipe connecting structure for heating and ventilation construction according to claim 4, wherein: the connecting piece (5) is a circular ring and is designed into an integrated structure with the inner pipe (3) and the outer pipe (4) respectively.

6. The pipe connecting structure for heating and ventilation construction according to claim 5, wherein: the tightening piece (10) is a cross rod, two ends of the hoop (9) are fixed to two ends of the cross rod respectively, and the hoop (9) is made of iron wires.