CN216331327U

CN216331327U - High-performance air return pipe for air conditioner of double-loop refrigerator car

Info

Publication number: CN216331327U
Application number: CN202122631633.0U
Authority: CN
Inventors: 倪升东; 焦银兰; 刘好
Original assignee: Yangzhou Reds Industrial Co ltd
Current assignee: Yangzhou Reds Industrial Co ltd
Priority date: 2021-10-30
Filing date: 2021-10-30
Publication date: 2022-04-19
Anticipated expiration: 2031-10-30

Abstract

The utility model discloses a high-performance return pipe for a double-loop refrigerator car air conditioner, which comprises a collecting pipe, a return main pipe and a return auxiliary pipe, wherein the bottom end of the collecting pipe is fixedly connected with a two-way pipe, one end of the two-way pipe is fixedly communicated with one end of the return main pipe, the other end of the return main pipe is communicated with one end of the return auxiliary pipe through a telescopic connecting assembly, the collecting pipe is fixedly connected with a plurality of direct-connected pipes at equal intervals, one end of the return main pipe is fixedly provided with an inflation valve, the other end of the return main pipe is fixedly communicated with a bent connecting pipe, and the other end of the return auxiliary pipe is a necking end, and the utility model has the beneficial effects that: the flexible pipe through flexible coupling assembling can make the return air be responsible for and the return air auxiliary pipe is flexible in the installation, can shorten the return air then and be responsible for and the concatenation length of return air auxiliary pipe, and the return air pipe of being convenient for is installed at the narrow and small position in space, and simple to operate, and possesses dual leak-proof effect, avoids extending structure to cause gas leakage easily.

Description

High-performance air return pipe for air conditioner of double-loop refrigerator car

Technical Field

The utility model relates to an air return pipe for an air conditioner, in particular to a high-performance air return pipe for a double-loop refrigerator car air conditioner, and belongs to the technical field of air return pipes for air conditioners.

Background

An air conditioner, i.e., an air conditioner, a temperature, humidity, and wall air conditioner is a unit for providing a space area (generally, an enclosed space) with a temperature change of air to be processed. Its function is to regulate the parameters of temperature, humidity, cleanliness and air flow rate of air in the room (or closed space, zone) so as to meet the requirements of human body comfort or technological process. An air return pipeline is arranged between an internal machine and an external machine of the air conditioner, and the air return pipeline is generally made of copper pipes or aluminum pipes.

The return pipe structure for the existing air conditioner for the refrigerator car is simple and can not stretch out and draw back, and due to the fact that the reserved pipeline space is limited, a multi-channel return pipe group needs to be designed in a narrow space, the return pipe is not convenient to install, the installation difficulty is greatly increased, and the installation of the air conditioner is severely limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-performance return pipe for an air conditioner of a double-loop refrigerator car, which aims to solve the problem that the return pipe is inconvenient to install due to the fact that the existing return pipe for the air conditioner of the refrigerator car, which is proposed in the background art, cannot be stretched.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high performance dual circuit air return pipe for refrigerator car air conditioner, is responsible for and the return-air auxiliary pipe including collector, return-air, the bottom fixedly connected with two-way pipe of collector, the one end of two-way pipe and the fixed intercommunication of the one end of being responsible for of return-air, the other end that the return-air was responsible for communicates through the one end of flexible coupling assembling and return-air auxiliary pipe, equidistant fixedly connected with a plurality of directly links the pipe on the collector, the one end fixed mounting that the return-air was responsible for has the inflation valve, the fixed intercommunication of the other end that the return-air was responsible for has the elbow pipe, the other end of return-air auxiliary pipe is the throat end.

As a preferred technical scheme of the present invention, the telescopic connection assembly includes a sleeve and a telescopic pipe, one end of the sleeve is fixedly sleeved at the other end of the main air return pipe, two ends of the telescopic pipe are respectively and fixedly connected with the other end of the main air return pipe and one end of the auxiliary air return pipe, and the sleeve is sleeved outside the telescopic pipe.

As a preferred technical scheme of the utility model, the telescopic connection assembly further comprises a limiting ring and a sealing ring, the limiting ring is fixedly sleeved at one end of the air return auxiliary pipe, the sealing ring is fixedly arranged at one end inside the sleeve, a sealing ring is fixedly arranged at one side of the sealing ring, and the other side of the limiting ring is tightly contacted with the sealing ring.

As a preferable technical scheme, the telescopic connecting assembly further comprises an external threaded pipe, the external threaded pipe is sleeved on the air return auxiliary pipe in a sealing and rotating mode, and the middle of the external threaded pipe is connected with the middle of the other end of the sleeve in a threaded penetrating mode.

As a preferred technical scheme, the sleeve is provided with an air leakage alarm assembly, the air leakage alarm assembly comprises a negative pressure cavity and an air exhaust pipe, the negative pressure cavity is reserved between the sealing ring and the external threaded pipe, the air exhaust pipe is fixedly inserted into the other end of the top of the sleeve, the bottom end of the air exhaust pipe is communicated with the inside of the negative pressure cavity, and the air exhaust pipe is fixedly provided with a check valve.

As a preferred technical scheme of the utility model, the air leakage alarm assembly further comprises an air pressure switch and an alarm, the air pressure switch is fixedly arranged at the bottom of the inner wall of the negative pressure cavity, and the alarm is arranged at the top of the sleeve.

As a preferred technical scheme of the utility model, the alarm is electrically connected with an external power supply through an air pressure switch.

Compared with the prior art, the utility model has the beneficial effects that: according to the high-performance double-loop air return pipe for the refrigerator car air conditioner, the air return main pipe and the air return auxiliary pipe can be stretched in the installation process through the telescopic pipe of the telescopic connecting assembly, so that the splicing length of the air return main pipe and the air return auxiliary pipe can be shortened, the air return pipe can be conveniently installed at a narrow position, the installation is convenient, the double leakage-proof effect is achieved, the air leakage caused by a telescopic structure is avoided, the high-performance double-loop air return pipe is more practical, an alarm can be given in time when the air leakage occurs, and workers are reminded of overhauling in time.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A of FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the utility model at B of fig. 2.

In the figure: 1. a header; 2. a main air return pipe; 3. a gas return auxiliary pipe; 4. a two-way pipe; 5. a direct connection pipe; 6. an inflation valve; 7. bending the connecting pipe; 8. a telescopic connecting component; 81. a sleeve; 82. a telescopic pipe; 83. a limiting ring; 84. a seal ring; 85. a seal ring; 86. an externally threaded tube; 9. an air leakage alarm component; 91. a negative pressure chamber; 92. an air exhaust pipe; 93. a pneumatic switch; 94. an alarm.

Detailed Description

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 given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a high-performance return pipe for a dual-loop refrigerator car air conditioner, comprising a header pipe 1, a return main pipe 2 and a return auxiliary pipe 3, wherein the bottom end of the header pipe 1 is fixedly connected with a two-way pipe 4, one end of the two-way pipe 4 is fixedly communicated with one end of the return main pipe 2, the other end of the return main pipe 2 is communicated with one end of the return auxiliary pipe 3 through a telescopic connecting component 8, the return main pipe 2 and the return auxiliary pipe 3 can be stretched in the installation process through a telescopic pipe 82 of the telescopic connecting component 8, so that the splicing length of the return main pipe 2 and the return auxiliary pipe 3 can be shortened, the return pipe can be conveniently installed at a narrow space, the header pipe 1 is fixedly connected with a plurality of straight connecting pipes 5 at equal intervals, one end of the return main pipe 2 is fixedly provided with an inflation valve 6, the other end of the return main pipe 2 is fixedly communicated with a bent connecting pipe 7, the other end of the air return auxiliary pipe 3 is a necking end.

Preferably, the telescopic connection assembly 8 comprises a sleeve 81 and a telescopic pipe 82, one end of the sleeve 81 is fixedly sleeved at the other end of the air return main pipe 2, two ends of the telescopic pipe 82 are fixedly connected with the other end of the air return main pipe 2 and one end of the air return auxiliary pipe 3 respectively, the sleeve 81 is sleeved outside the telescopic pipe 82, the telescopic pipe 82 can be protected through the sleeve 81, and meanwhile, the telescopic of the telescopic pipe 82 is not affected; the telescopic connection assembly 8 further comprises a limiting ring 83 and a sealing ring 84, the limiting ring 83 is fixedly sleeved at one end of the air return auxiliary pipe 3, the sealing ring 84 is fixedly arranged at one end inside the sleeve 81, a sealing ring 85 is fixedly arranged at one side of the sealing ring 84, the other side of the limiting ring 83 is tightly contacted with the sealing ring 85, and a sealing structure can be formed by matching the sealing ring 84 with the sealing ring 85 and the limiting ring 83, so that leakage of the telescopic pipe 82 after air leakage is prevented; the telescopic connecting assembly 8 further comprises an external threaded pipe 86, the external threaded pipe 86 is sleeved on the air return auxiliary pipe 3 in a sealing and rotating mode, the middle of the external threaded pipe 86 is in threaded insertion connection with the middle of the other end of the sleeve 81, the sealing performance of the joint of the other end of the sleeve 81 can be guaranteed through the external threaded pipe 86, and then the normal work of the subsequent air leakage alarm assembly 9 can be guaranteed; the sleeve 81 is provided with the air leakage alarm component 9, the air leakage alarm component 9 comprises a negative pressure cavity 91 and an exhaust tube 92, the negative pressure cavity 91 is reserved between the sealing ring 84 and the external threaded tube 86, the exhaust tube 92 is fixedly inserted and arranged at the other end of the top of the sleeve 81, the bottom end of the exhaust tube 92 is communicated with the inside of the negative pressure cavity 91, a check valve is fixedly arranged on the exhaust tube 92, and the exhaust tube 92 is convenient for sucking negative pressure in the negative pressure cavity 91 after installation; the air leakage alarm assembly 9 further comprises an air pressure switch 93 and an alarm 94, the air pressure switch 93 is fixedly installed at the bottom of the inner wall of the negative pressure cavity 91, the alarm 94 is arranged at the top of the sleeve 81, and air pressure in the negative pressure cavity 91 can be monitored in real time through the air pressure switch 93; the alarm 94 is electrically connected with an external power supply through the air pressure switch 93, and the alarm 94 can be automatically controlled to work through the air pressure switch 93 to give an alarm.

When in specific use, the utility model relates to a high-performance double-loop air return pipe for a refrigerator car air conditioner, firstly, the whole air return pipe is arranged at a proper position, before the air return pipe is arranged, the external thread pipe 86 is rotated, the air return auxiliary pipe 3 is simultaneously pressed inwards until the external thread pipe 86 is separated from the sleeve 81, at the moment, the air return auxiliary pipe 3 can be freely stretched, namely, the air return main pipe 2 and the air return auxiliary pipe 3 can be stretched in the installation process through the telescopic pipe 82 of the telescopic connecting assembly 8, then, the splicing length of the air return main pipe 2 and the air return auxiliary pipe 3 can be shortened, the air return pipe can be conveniently arranged at a narrow space part, the installation is convenient, after the installation is finished, the steps are reversely operated to ensure that the external thread pipe 86 is in threaded fit with the sleeve 81 again, then, the top end of the air suction pipe 92 is communicated with the air suction pump, the inside of the cavity 91 is pumped into negative pressure through the air suction pipe 92, and then the air return pipe can be put into normal use, in the normal use process, can play the effect of protection to flexible pipe 82 through sleeve 81, when flexible pipe 82 takes place to leak gas, cooperate through sealing ring 84 and sealing washer 85 and spacing ring 83 and can form seal structure, directly cause the leakage after preventing flexible pipe 82 from leaking gas, sealing ring 84 and sealing washer 85 and spacing ring 83 inefficacy back, the gas of leakage can get into the inside of negative pressure chamber 91, the inside atmospheric pressure in negative pressure chamber 91 rises this moment, it can be LF 11's atmospheric pressure switch 93 work for the atmospheric pressure switch 93 of model can automatic control alarm 94 this moment to trigger, in time, remind the staff to overhaul, can ensure the leakproofness of sleeve 81 other end junction through outer threaded pipe 86 when alarm 94 triggers, then can ensure follow-up gas leakage alarm subassembly 9's normal work, possess dual leak-proof effect, avoid extending structure to cause gas leakage easily, and is more practical.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high performance double circuit air return pipe for refrigerator car air conditioner, is responsible for (2) and return-air auxiliary pipe (3) including header (1), return-air, its characterized in that, the bottom fixedly connected with two-way pipe (4) of header (1), the one end of two-way pipe (4) is responsible for the fixed intercommunication of one end of (2) with the return-air, the other end that the return-air was responsible for (2) is through the one end intercommunication of flexible coupling assembling (8) and return-air auxiliary pipe (3), equidistant fixedly connected with a plurality of directly links pipe (5) on header (1), the one end fixed mounting that the return-air was responsible for (2) has inflation valve (6), the other end fixed intercommunication that the return-air was responsible for (2) has turn-joint pipe (7), the other end of return-air auxiliary pipe (3) is the convergent end.

2. A high performance dual circuit air return duct for a refrigerated vehicle air conditioner as recited in claim 1 wherein: flexible coupling assembling (8) include sleeve (81) and flexible pipe (82), the fixed cover of one end of sleeve (81) is established at the other end that the return air is responsible for (2), the both ends of flexible pipe (82) are responsible for the other end of (2) and the one end fixed connection of return air auxiliary pipe (3) with the return air respectively, sleeve (81) cover is established in the outside of flexible pipe (82).

3. A high performance dual circuit air return duct for a refrigerated vehicle air conditioner as recited in claim 2 wherein: flexible coupling assembling (8) still include spacing ring (83) and sealing ring (84), the one end at return-air auxiliary pipe (3) is established to spacing ring (83) fixed cover, sealing ring (84) are fixed to be set up in the inside one end of sleeve (81), one side of sealing ring (84) is fixed and is equipped with sealing washer (85), the opposite side and sealing washer (85) the in close contact with of spacing ring (83).

4. A high performance dual circuit air return duct for a refrigerated vehicle air conditioner as recited in claim 3 wherein: flexible coupling assembling (8) still include external screw thread pipe (86), external screw thread pipe (86) seal the rotation cover establish on return-air auxiliary pipe (3), just the middle part of external screw thread pipe (86) and the middle part screw thread alternate connection of the sleeve (81) other end.

5. The return air pipe for the air conditioner of the high-performance double-circuit refrigerator car as claimed in claim 4, wherein: be equipped with gas leakage warning subassembly (9) on sleeve (81), gas leakage warning subassembly (9) include negative pressure chamber (91) and exhaust tube (92), reserve between sealing ring (84) and external screw tube (86) negative pressure chamber (91), the other end at sleeve (81) top is set up in fixed interlude of exhaust tube (92), the bottom of exhaust tube (92) and the inside intercommunication in negative pressure chamber (91), just fixed mounting has the check valve on exhaust tube (92).

6. The return air duct for a high-performance dual-circuit refrigerator car air conditioner as claimed in claim 5, wherein: air leakage warning subassembly (9) still include air pressure switch (93) and alarm (94), air pressure switch (93) fixed mounting is in the bottom of negative pressure chamber (91) inner wall, alarm (94) set up the top at sleeve (81).

7. The return air duct for a high-performance dual-circuit refrigerator car air conditioner as claimed in claim 6, wherein: the alarm (94) is electrically connected with an external power supply through an air pressure switch (93).