CN215909479U - Double-layer structure exhaust pipe for refrigerating system - Google Patents

Abstract

The utility model discloses a double-layer exhaust pipe for a refrigerating system, which comprises a first exhaust section, a second exhaust section and a liquid storage elbow, wherein the first exhaust section is connected with the second exhaust section through the liquid storage elbow, the first exhaust section, the second exhaust section and the liquid storage elbow respectively comprise an inner layer pipe body and an outer layer pipe body, and a liquid drainage mechanism is arranged on the liquid storage elbow. The utility model can intercept lubricating oil or condensate, prevent the lubricating oil or condensate from entering the compressor, ensure the normal work of the compressor, prolong the service life of the refrigerating system, discharge the liquid in the liquid storage elbow by the liquid discharge mechanism, ensure the normal work of the refrigerating system, simultaneously facilitate the reduction of noise, realize the double-layer delivery of gas by the design of the inner-layer pipe body and the outer-layer pipe body, and improve the safety and the reliability of the refrigerating system.

Description

Double-layer structure exhaust pipe for refrigerating system

Technical Field

The utility model relates to a double-layer structure exhaust pipe for a refrigeration system.

Background

In the refrigeration system, the vapor with lower pressure is compressed into the vapor with higher pressure, so that the volume of the vapor is reduced and the pressure is increased. The compressor sucks working medium steam with lower pressure from the evaporator, the working medium steam with lower pressure is sent into the condenser after the pressure of the working medium steam is increased, the working medium steam is condensed into liquid with higher pressure in the condenser, the liquid with lower pressure is sent into the evaporator after the liquid is throttled by the throttle valve, the liquid is evaporated by absorbing heat in the evaporator to form steam with lower pressure, and the steam is sent into an inlet of the compressor, so that the refrigeration cycle is completed.

The exhaust pipe is a gas pipe for conveying high-pressure gas discharged by the refrigerator of the refrigeration house to the condenser, and when an existing refrigeration system works, lubricating oil or condensate is easy to flow back to the compressor, so that the normal work of the compressor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a technical scheme of a double-layer structure exhaust pipe for a refrigerating system aiming at the defects in the prior art, lubricating oil or condensate can be intercepted through the design of a liquid storage elbow, the lubricating oil or the condensate is prevented from entering a compressor, the normal work of the compressor is ensured, the service life of the refrigerating system is prolonged, a liquid drainage mechanism can drain the liquid in the liquid storage elbow, the normal work of the refrigerating system is ensured, meanwhile, the noise is reduced, the double-layer conveying of gas can be realized through the design of an inner layer pipe body and an outer layer pipe body, and the safety and the reliability of the refrigerating system are improved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the double-layer structure exhaust pipe for the refrigerating system is characterized in that: the exhaust device comprises a first exhaust section, a second exhaust section and a liquid storage elbow, wherein the first exhaust section is connected with the second exhaust section through the liquid storage elbow; through the design of depositing the liquid return bend, can hold back lubricating oil or condensate, avoid lubricating oil or condensate to get into the compressor, guarantee that the compressor normally works, extension refrigerating system's life, drainage mechanism can be with depositing the liquid discharge in the liquid return bend, guarantee refrigerating system normally works, be favorable to the noise reduction simultaneously, through the design of inlayer body and outer body, can realize gaseous double-deck transport, improved refrigerating system's security and reliability.

Further, the inlayer body is connected in the inside of outer body through two fixed strips, and two fixed strips separate for first exhaust chamber and second exhaust chamber between inlayer body and the outer body, and the fixed strip has improved joint strength and the stability between inlayer body and the outer body, and first exhaust chamber and second exhaust chamber are convenient for gaseous transport.

Further, the liquid drainage mechanism comprises a box body, the top and the bottom of the box body are respectively provided with a limiting hole and a liquid outlet interface, an adjusting component is arranged between the limiting hole and the liquid outlet interface, the adjusting component is convenient to adjust through the limiting hole, so that liquid in the liquid storage elbow is drained through the liquid outlet interface, and the normal work of the refrigerating system is guaranteed.

Further, the adjusting part includes the nut, screw rod and flowing back pole, nut fixed connection is on the top of screw rod, nut and spacing hole phase-match, the top of flowing back pole is passed through the T-shaped piece and is rotated the bottom of connecting at the screw rod, the bottom of flowing back pole runs through outer body and inlayer body and is connected to liquid outlet, can drive the screw rod through rotating the nut and reciprocate in rotatory, and then can drive the flowing back pole through the T-shaped piece and reciprocate, satisfy the flowing back requirement of inlayer body and outer body, make liquid finally discharge through liquid outlet.

Further, be provided with the gasket on the drainage pole, first drain hole, second drain hole and play sap cavity, first drain hole is used for communicateing first exhaust chamber, second exhaust chamber and inlayer body, second exhaust chamber passes through second drain hole and communicates a sap cavity, when not carrying out the flowing back, can seal through the gasket, guarantee that inlayer body and outer body are normally carminative, when needs carry out the flowing back, drive flowing back pole through the screw rod and upwards remove, make the liquid in the first exhaust chamber get into the inlayer body through first drain hole, the liquid of inlayer body bottom gets into second exhaust chamber through first drain hole, the liquid of second exhaust chamber bottom imports out the sap cavity through second drain hole, finally discharge through going out the liquid interface.

Further, be provided with the sealing washer between flowing back pole and the box body, the sealing washer can seal, prevents that gas from overflowing through the sealed department between screw rod and the box body.

Furthermore, the outer side surface of the outer-layer pipe body is provided with a heat preservation layer which can play a role in heat preservation.

Furthermore, all be provided with the muffler on first exhaust section and the second exhaust section, the muffler can play the amortization, reduces the noise of refrigerating system during operation.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

1. through the design of the liquid storage elbow pipe, lubricating oil or condensate can be intercepted, the lubricating oil or the condensate is prevented from entering the compressor, the normal work of the compressor is guaranteed, and the service life of the refrigerating system is prolonged.

2. The liquid discharge mechanism can discharge liquid in the liquid storage elbow, so that the normal work of the refrigerating system is ensured, and meanwhile, the noise is reduced.

3. Through the design of the inner layer pipe body and the outer layer pipe body, double-layer conveying of gas can be achieved, and the safety and the reliability of the refrigerating system are improved.

Description of the drawings:

the utility model will be further described with reference to the accompanying drawings in which:

FIG. 1 is an effect diagram of a dual-layer structure of an exhaust pipe for a refrigeration system according to the present invention;

FIG. 2 is a schematic view of the connection between the inner tube and the outer tube of the present invention;

FIG. 3 is a schematic view of the structure of the drainage mechanism of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at I;

fig. 5 is a partial enlargement at ii in fig. 3.

In the figure: 1-a first exhaust section; 2-a second exhaust section; 3-storing the liquid elbow; 4-a silencer; 5-a liquid discharge mechanism; 6-inner layer pipe body; 7-outer layer pipe body; 8-fixing strips; 9-a first exhaust cavity; 10-a second exhaust chamber; 11-a box body; 12-a limiting hole; 13-a screw cap; 14-liquid outlet interface; 15-screw rod; 16-a drainage rod; 17-a sealing ring; 18-T-shaped blocks; 19-sealing piece; 20-a first drain hole; 21-a second drainage hole; 22-liquid outlet chamber.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terms first, second and the like in the description and in the claims, and in the drawings, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

As shown in fig. 1 to 5, the exhaust pipe with a double-layer structure for a refrigeration system of the present invention includes a first exhaust section 1, a second exhaust section 2 and a liquid storage elbow 3, wherein the first exhaust section 1 is connected to the second exhaust section 2 through the liquid storage elbow 3, and silencers 4 are disposed on both the first exhaust section 1 and the second exhaust section 2, and the silencers 4 can perform a silencing function to reduce noise generated during operation of the refrigeration system.

First exhaust section 1, second exhaust section 2 and deposit liquid return bend 3 all include inlayer body 6 and outer body 7, inlayer body 6 is connected in the inside of outer body 7 through two fixed strips 8, two fixed strips 8 separate for first exhaust chamber 9 and second exhaust chamber 10 between inlayer body 6 and the outer body 7, fixed strip 8 has improved joint strength and the stability between inlayer body 6 and the outer body 7, the gaseous transport of being convenient for in first exhaust chamber 9 and second exhaust chamber 10. The outer side of the outer pipe body 7 is provided with a heat preservation layer which can play a role in heat preservation.

The liquid draining mechanism 5 is arranged on the liquid storage elbow 3 and comprises a box body 11, the top and the bottom of the box body 11 are respectively provided with a limiting hole 12 and a liquid outlet port 14, an adjusting component is arranged between the limiting hole 12 and the liquid outlet port 14, the adjusting component is convenient to adjust through the limiting hole 12, liquid in the liquid storage elbow 3 is discharged through the liquid outlet port 14, and normal work of the refrigerating system is guaranteed.

The adjusting part includes nut 13, screw rod 15 and flowing back pole 16, nut 13 fixed connection is on the top of screw rod 15, nut 13 and spacing hole 12 phase-match, 18 rotations in the bottom at screw rod 15 are passed through on the top of flowing back pole 16, outer body 7 and inlayer body 6 are run through to the bottom of flowing back pole 16 and are connected to out liquid interface 14, can drive screw rod 15 through rotating nut 13 and reciprocate in the rotatory time, and then can drive the flowing back pole 16 through T-shaped piece 18 and reciprocate, satisfy the flowing back requirement of inlayer body 6 and outer body 7, make liquid finally discharge through out liquid interface 14.

The liquid discharging rod 16 is provided with a sealing sheet 19, a first liquid guiding hole 20, a second liquid guiding hole 21 and a liquid discharging cavity 22, the first liquid guiding hole 20 is used for communicating the first liquid discharging cavity 9, the second liquid discharging cavity 10 and the inner-layer tube body 6, the second liquid discharging cavity 10 is communicated with the liquid discharging cavity 22 through the second liquid guiding hole 21, when liquid discharging is not carried out, sealing can be carried out through the sealing sheet 19, normal air discharging of the inner-layer tube body 6 and the outer-layer tube body 7 is guaranteed, when liquid discharging is needed, the liquid discharging rod 16 is driven to move upwards through the screw 15, liquid in the first liquid discharging cavity 9 enters the inner-layer tube body 6 through the first liquid guiding hole 20, liquid at the bottom of the inner-layer tube body 6 enters the second liquid discharging cavity 10 through the first liquid guiding hole 20, liquid at the bottom of the second liquid discharging cavity 10 is input into the liquid discharging cavity 22 through the second liquid guiding hole 21, and finally discharged through the liquid interface 14.

A sealing ring 17 is arranged between the liquid discharging rod 16 and the box body 11, and the sealing ring 17 can seal to prevent gas from overflowing through a sealing position between the screw rod 15 and the box body 11. Through the design of deposit liquid return bend 3, can hold back lubricating oil or condensate, avoid lubricating oil or condensate to get into the compressor, guarantee that the compressor normally works, extension refrigerating system's life, drainage mechanism 5 can be with the liquid discharge in deposit liquid return bend 3, guarantee refrigerating system normally works, be favorable to the noise reduction simultaneously, through the design of inlayer body 6 and outer body 7, can realize gaseous double-deck transport, refrigerating system's security and reliability have been improved.

The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.

Claims (8)

1. The double-layer structure exhaust pipe for the refrigerating system is characterized in that: including first exhaust section, second exhaust section and deposit the liquid return bend, first exhaust section passes through deposit the liquid return bend and connect the second exhaust section, first exhaust section the second exhaust section with deposit the liquid return bend and all include inlayer body and outer body, be provided with flowing back mechanism on the deposit liquid return bend.

2. The double-layer exhaust pipe for a refrigeration system according to claim 1, wherein: the inner-layer pipe body is connected to the inner portion of the outer-layer pipe body through two fixing strips, and the inner-layer pipe body and the outer-layer pipe body are divided into a first exhaust cavity and a second exhaust cavity through the two fixing strips.

3. The double-layer exhaust pipe for a refrigeration system according to claim 2, wherein: the liquid discharge mechanism comprises a box body, the top and the bottom of the box body are respectively provided with a limiting hole and a liquid outlet interface, and an adjusting component is arranged between the limiting hole and the liquid outlet interface.

4. The double-layer exhaust pipe for a refrigeration system according to claim 3, wherein: the adjusting component comprises a screw cap, a screw rod and a liquid discharging rod, the screw cap is fixedly connected to the top end of the screw rod, the screw cap is matched with the limiting hole, the top end of the liquid discharging rod is rotatably connected to the bottom end of the screw rod through a T-shaped block, and the bottom end of the liquid discharging rod penetrates through the outer layer pipe body and the inner layer pipe body and is connected to the liquid outlet port.

5. The double-layer exhaust pipe for a refrigeration system according to claim 4, wherein: the drainage rod is provided with a sealing sheet, a first drainage hole, a second drainage hole and a liquid outlet cavity, the first drainage hole is used for communicating the first exhaust cavity, the second exhaust cavity and the inner-layer pipe body, and the second exhaust cavity is communicated with the liquid outlet cavity through the second drainage hole.

6. The double-layer exhaust pipe for a refrigeration system according to claim 4, wherein: and a sealing ring is arranged between the liquid discharging rod and the box body.

7. The double-layer exhaust pipe for a refrigeration system according to claim 1, wherein: and a heat-insulating layer is arranged on the outer side surface of the outer-layer pipe body.

8. The double-layer exhaust pipe for a refrigeration system according to claim 1, wherein: and the first exhaust section and the second exhaust section are both provided with silencers.

Images