Air inlet and outlet assembly and air conditioner having the same

Abstract

The present invention provides an air inlet and outlet assembly and an air conditioner having the same. The air inlet and outlet assembly is suitable for the air conditioner. The air inlet and outlet assembly comprises: a first tube and a second tube, the first tube is sleeved outside the second tube; an annular channel is formed between the first tube and the second tube for supplying a first gas to flow; the second tube is used for supplying a second gas to flow; wherein the second tube comprises an inner tube and a heat preservation tube sleeved outside the inner tube, the inner tube is used for supplying the second gas to flow, and the heat preservation tube is used for heat preservation of the inner tube. The air inlet and outlet assembly of the present invention solves the problem of a large number of openings when the fresh air exhaust system of the air conditioner in the prior art is installed on the wall.

Description

Technical Field

[0001] The present invention relates to the field of air conditioners, and in particular to an air inlet and outlet assembly and an air conditioner having the same. Background Art

[0002] With the improvement of consumer living standards, the diversity of air conditioners is gradually becoming more and more extensive. The air conditioners in the prior art are generally in internal circulation mode in a closed space, which prevents the indoor air from being exchanged with the outside world, thereby causing the turbidity of the indoor air to become more and more serious. Therefore, the fresh air function plays a vital role in the diversification of air conditioners.

[0003] In the air conditioner with fresh air function in the prior art, the fresh air exhaust system is provided with an air inlet duct and an exhaust duct. The diameter of the air inlet duct is smaller than the diameter of the exhaust duct. When installing these two ducts, if an air inlet hole and an air outlet hole are opened on the wall, the number of holes is large. If one hole is opened on the wall, the total area of ​​the holes is large and the cost is high, which increases the difficulty of installing the air conditioner, increases the installation cost of the air conditioner, and affects the user's consumption experience. Summary of the invention

[0004] The main purpose of the present invention is to provide an air inlet and outlet assembly and an air conditioner having the same, so as to solve the problem of a large number of openings in the fresh air exhaust system of the air conditioner in the prior art when it is installed on the wall.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, there is provided an air inlet and outlet assembly suitable for an air conditioner, the air inlet and outlet assembly comprising: a first tube and a second tube, the first tube being sleeved outside the second tube; an annular channel being formed between the first tube and the second tube for supplying a first gas to flow; the second tube being used for supplying a second gas to flow; wherein the second tube comprises an inner tube and an insulating tube sleeved outside the inner tube, the inner tube being used for supplying a second gas to flow, and the insulating tube being used for insulating the inner tube.

[0006] Furthermore, the air inlet and outlet assembly also includes: a first joint, which is used to be installed in the casing of the air conditioner on the indoor side, and the first joint is provided with a first air duct and a second air duct; a second joint, which is used to be arranged on the outdoor side, and the second joint includes a first connecting part and a second connecting part which are connected to each other; wherein, one end of the annular channel is connected to the first air duct, and the other end of the annular channel is connected to the first connecting part; one end of the second tube is connected to the second air duct, and the other end of the second tube is connected to the second connecting part.

[0007] Furthermore, the first connection part and the second connection part are arranged in sequence along a predetermined direction; one side of the first connection part is connected to one end of the first tube, and the other side of the first connection part is connected to the second connection part; one end of the second tube passes through the first connection part and is connected to the second connection part.

[0008] Further, the first connecting part includes a connecting body and a connecting end cover, one end of the connecting end cover is connected to the connecting body, and the other end of the connecting end cover is used to connect to one end of the first tube.

[0009] Furthermore, the connecting body includes a first accommodating cavity and a first opening portion and a second opening portion connected to the first accommodating cavity; the first opening portion is located on a side of the first accommodating cavity close to the connecting end cover, and the first tube is connected to the first accommodating cavity through the first opening portion; the second opening portion is located on a side of the first accommodating cavity close to the second connecting portion, and one end of the second tube is connected to the second connecting portion after passing through the first accommodating cavity and the second opening portion.

[0010] Furthermore, the connecting body includes a first accommodating cavity and a third opening portion connected to the first accommodating cavity, the first connecting portion also includes a connecting tube, one end of the connecting tube is connected to the third opening portion, the other end of the connecting tube is used for the first gas to enter and exit, and the first tube is connected to the connecting tube through the first accommodating cavity and the third opening portion.

[0011] Furthermore, the connecting tube includes a first tube body portion and a second tube body portion, the first tube body portion is parallel to the horizontal direction, and the second tube body portion is parallel to the vertical direction; the first end of the first tube body portion is connected to the third opening portion, the second end of the first tube body portion is connected to the first end of the second tube body portion, and the second end of the second tube body portion is located on a side of the first tube body portion close to the supporting base surface.

[0012] Furthermore, the second connecting part includes a box body and a box cover; the box cover includes a second accommodating cavity and a fourth opening and a fifth opening connected to the second accommodating cavity; the fourth opening is located on a side of the second accommodating cavity close to the second tube, and the second tube is connected to the second accommodating cavity through the fourth opening; the fifth opening is located on a side of the second connecting part close to the supporting base surface, and is used for allowing the second gas to enter and exit.

[0013] Furthermore, the box cover comprises a cover plate and a sleeve portion, wherein the cover plate is used to cover the box body, and the sleeve portion is sleeved on the thermal insulation pipe.

[0014] According to another aspect of the present invention, an air conditioner is provided. The air conditioner includes the above-mentioned air inlet and outlet assembly.

[0015] By applying the technical solution of the present invention, the air inlet and outlet assembly of the present invention is suitable for air conditioners, and the air inlet and outlet assembly includes a first tube and a second tube, and the first tube is sleeved outside the second tube; the annular channel between the first tube and the second tube is used for the flow of the first gas, and the second tube is used for the flow of the second gas, and the second tube includes an inner tube and an insulation tube sleeved outside the inner tube, and the inner tube is used for the flow of the second gas, and the insulation tube is used for insulating the inner tube. In this way, when installing the air conditioner, only one hole needs to be drilled on the wall, which can reduce the degree of damage to the user's wall, merge some small parts to solve the problem of complex assembly of parts, reduce the difficulty of installing the air conditioner during installation, reduce installation costs, save installation space, improve the practicality of the air conditioner, and provide users with a better consumer experience, solving the problem of a large number of holes when the fresh air exhaust system of the air conditioner in the prior art is installed on the wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 A structural schematic diagram of an embodiment of an air inlet and outlet assembly according to the present invention is shown;

[0018] Figure 2 Shows Figure 1 An exploded view of the air inlet and outlet components shown;

[0019] Figure 3 Shows Figure 1 A half-section view of the air inlet and outlet assembly shown; and

[0020] Figure 4 Shows Figure 1 A side view of the first joint of the air inlet and outlet assembly is shown.

[0021] The above drawings include the following reference numerals:

[0022] 1. First joint; 101. First air duct; 102. Second air duct; 11. First pipe connection port; 12. Second pipe connection port; 2. Second joint; 21. First connecting portion; 211. Connecting body; 212. Connecting end cover; 213. Connecting pipe; 2131. First pipe body; 2132. Second pipe body; 22. Second connecting portion; 221. Box body; 222. Box cover; 2221. Cover plate; 2222. Sleeve portion; 3. First pipe; 4. Second pipe; 41. Insulating pipe; 42. Inner pipe; 5. Transition joint; 51. First connecting ring; 52. Second connecting ring; 6. Sealing member. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] like Figures 1 to 4 As shown, the present invention provides an air inlet and outlet assembly, which is suitable for an air conditioner. The air inlet and outlet assembly includes: a first tube 3 and a second tube 4, wherein the first tube 3 is sleeved outside the second tube 4; an annular channel is formed between the first tube 3 and the second tube 4 for supplying a first gas to flow; the second tube 4 is used for supplying a second gas to flow; wherein the second tube 4 includes an inner tube 42 and an insulation tube 41 sleeved outside the inner tube 42, wherein the inner tube 42 is used for supplying the second gas to flow, and the insulation tube 41 is used for insulating the inner tube 42.

[0025] The air inlet and outlet assembly of the present invention is suitable for air conditioners, and the air inlet and outlet assembly sets the first tube 3 outside the second tube 4; the annular channel between the first tube 3 and the second tube 4 is used for the flow of the first gas, and the second tube 4 is used for the flow of the second gas. The second tube 4 includes an inner tube 42 and a heat preservation tube 41 set outside the inner tube 42, the inner tube 42 is used for the flow of the second gas, and the heat preservation tube 41 is used to insulate the inner tube 42. In this way, when installing the air conditioner, only one hole needs to be drilled on the wall, which can reduce the degree of damage to the user's wall, merge some small parts to solve the problem of complex assembly of parts, reduce the difficulty of installing the air conditioner, reduce installation costs, save installation space, improve the practicality of the air conditioner, and provide users with a better consumer experience. It solves the problem of a large number of holes when the fresh air exhaust system of the air conditioner in the prior art is installed on the wall.

[0026] Specifically, the first gas flow is the dirty air flowing from the inside of the air conditioner to the outside, and the second gas is the fresh air flowing from the outside to the inside of the air conditioner.

[0027] The second tube 4 of the air inlet and outlet assembly of the present invention is provided with an insulation tube 41 outside the inner tube 42 to insulate the inner tube 42 and the fresh air therein. When the temperature of the fresh air flowing in from the outdoor side is lower than the temperature of the dirty air flowing out of the air conditioner, the outer wall of the inner tube 42 can be prevented from directly contacting the dirty air coming out of the air conditioner, thereby preventing the fresh air in the inner tube 42 from directly exchanging heat with the dirty air through the tube wall of the inner tube 42, and avoiding the problem of condensed water being generated on the outer wall of the inner tube 42 and then remaining in the annular channel between the first tube 3 and the second tube 4; when the temperature of the fresh air flowing in from the outdoor side is higher than the temperature of the dirty air flowing out of the air conditioner, the outer wall of the inner tube 42 can be prevented from directly contacting the dirty air coming out of the air conditioner, thereby preventing the fresh air in the inner tube 42 from directly exchanging heat with the dirty air through the tube wall of the inner tube 42, and avoiding the problem of condensed water being generated on the inner wall of the inner tube 42 and then remaining in the inner tube 42.

[0028] like Figure 3As shown, the air inlet and outlet assembly also includes: a first joint 1, which is used to be installed in the casing of the air conditioner on the indoor side, and a first air duct 101 and a second air duct 102 are arranged in the first joint 1; a second joint 2, which is used to be arranged on the outdoor side, and the second joint 2 includes a first connection part 21 and a second connection part 22 that are connected to each other; wherein, one end of the annular channel is connected to the first air duct 101, and the other end of the annular channel is connected to the first connection part 21; one end of the second pipe 4 is connected to the second air duct 102, and the other end of the second pipe 4 is connected to the second connection part 22.

[0029] like Figure 1 and Figure 3 As shown, the first connection part 21 and the second connection part 22 are arranged in sequence along a predetermined direction; one side of the first connection part 21 is connected to one end of the first tube 3, and the other side of the first connection part 21 is connected to the second connection part 22; one end of the second tube 4 passes through the first connection part 21 and is connected to the second connection part 22.

[0030] Specifically, the first connection portion 21 and the second connection portion 22 are connected by snap-fit ​​connection, and the second connection portion 22 is located at a side of the first connection portion 21 away from the first tube 3 .

[0031] Specifically, the first connecting portion 21 includes a connecting body 211 and a connecting end cover 212 , one end of the connecting end cover 212 is connected to the connecting body 211 , and the other end of the connecting end cover 212 is used to connect to one end of the first tube 3 .

[0032] Specifically, the connecting end cover 212 includes a flange portion and a tube body portion that are connected to each other, the flange portion is provided with a plurality of mounting holes, the connecting body 211 is provided with a plurality of threaded holes corresponding to the plurality of mounting holes, and a plurality of fasteners respectively pass through the corresponding mounting holes and are screwed into the corresponding threaded holes to connect the flange portion and the connecting body 211; the tube body portion is arranged toward the side of the flange portion away from the connecting body 211, the tube body portion is a round tube structure with an external thread, and one end of the first tube 3 close to the tube body portion has an internal thread that matches the external thread of the tube body portion, and the tube body portion is connected to one end of the first tube 3 through threaded matching.

[0033] like Figure 3 As shown, the connecting body 211 includes a first accommodating cavity and a first opening portion and a second opening portion connected to the first accommodating cavity; the first opening portion is located on a side of the first accommodating cavity close to the connecting end cover 212, and the first tube 3 is connected to the first accommodating cavity through the first opening portion; the second opening portion is located on a side of the first accommodating cavity close to the second connecting portion 22, and one end of the second tube 4 is connected to the second connecting portion 22 after passing through the first accommodating cavity and the second opening portion.

[0034] Specifically, the first opening portion and the second opening portion are located on opposite sides of the connecting body 211 along a preset direction, and the flange portion of the connecting end cover 212 is covered on the first opening portion. One end of the first tube 3 is connected to the first accommodating cavity through the tube body and the first opening portion; one end of the second tube 4 passes through the first accommodating cavity and the second opening portion and is connected to the second connecting portion 22. To ensure the sealing of the first accommodating cavity, an interference fit is provided between the outer peripheral surface of the second tube 4 and the second opening portion.

[0035] Specifically, the connecting body 211 includes a first accommodating cavity and a third opening portion communicating with the first accommodating cavity, the first connecting portion 21 also includes a connecting pipe 213, one end of the connecting pipe 213 is connected to the third opening portion, the other end of the connecting pipe 213 is used for the first gas to enter, and the first tube 3 is communicated with the connecting pipe 213 through the first accommodating cavity and the third opening portion. The setting of the connecting pipe 213 can keep a certain distance between the positions of the fresh air inlet and the dirty air outlet, and prevent the dirty air flowing out of the dirty air outlet from returning to the air conditioner through the fresh air inlet, causing pollution to the fresh air and the air conditioner.

[0036] like Figure 1 and Figure 2 As shown, the connecting tube 213 includes a first tube body portion 2131 and a second tube body portion 2132, the first tube body portion 2131 is parallel to the horizontal direction, and the second tube body portion 2132 is parallel to the vertical direction; the first end of the first tube body portion 2131 is connected to the third opening portion, the second end of the first tube body portion 2131 is connected to the first end of the second tube body portion 2132, and the second end of the second tube body portion 2132 is located on a side of the first tube body portion 2131 close to the supporting base surface.

[0037] Specifically, the third opening portion is located on a side perpendicular to the preset direction, the first tube body portion 2131 of the connecting tube 213 is parallel to the horizontal direction and perpendicular to the preset direction, the second tube body portion 2132 is parallel to the vertical direction and perpendicular to the preset direction, and the opening of the second tube body portion 2132 is set downward, which can prevent dust and debris located above the connecting tube 213 from entering the first tube 3 through the opening of the second tube body portion 2132 and causing the first tube 3 to be blocked.

[0038] like Figure 2 and Figure 3 As shown, the second connecting portion 22 includes a box body 221 and a box cover 222; the box cover 222 includes a second accommodating cavity and a fourth opening portion and a fifth opening portion connected to the second accommodating cavity; the fourth opening portion is located on a side of the second accommodating cavity close to the second tube 4, and the second tube 4 is connected to the second accommodating cavity through the fourth opening portion; the fifth opening portion is located on a side of the second connecting portion 22 close to the supporting base surface, and is used for allowing the second gas to enter and exit.

[0039] Preferably, the opening of the fifth opening is arranged downward, which can prevent dust and debris located above the second connecting portion 22 from entering the second tube 4 through the fifth opening, causing blockage of the second tube 4 and even causing damage to the air conditioner.

[0040] like Figure 3 As shown, the box cover 222 includes a cover plate 2221 and a sleeve portion 2222 . The cover plate 2221 is used to cover the box body 221 , and the sleeve portion 2222 is used to sleeve the thermal insulation pipe 41 .

[0041] To ensure the sealing of the second accommodating cavity, an interference fit is formed between the outer circumference of the thermal insulation tube 41 and the sleeve portion 2222. The sleeve portion 2222 is arranged toward the second accommodating cavity, one end of the inner tube 42 is located in the sleeve portion 2222, and a avoidance hole is provided at the portion of the sleeve portion 2222 located in the second accommodating cavity, and one end of the inner tube 42 is located at the avoidance hole to communicate with the second accommodating cavity through the avoidance hole.

[0042] like Figures 1 to 4 As shown, the first joint 1 also includes a first pipe connection port 11 and a second pipe connection port 12, and the second pipe connection port 12 is arranged in the first pipe connection port 11; one end of the first pipe connection port 11 is connected to the first air duct 101, and the other end of the first pipe connection port 11 is connected to the first pipe 3; one end of the second pipe connection port 12 is connected to the second air duct 102, and the other end of the second pipe connection port 12 is connected to the second pipe 4.

[0043] like Figures 1 to 3 As shown, the air inlet and outlet assembly also includes a transition joint 5, which includes: a first connecting ring 51, one end of the first connecting ring 51 is connected to one end of the first pipe 3, and the other end of the first connecting ring 51 is connected to the first connecting pipe port 11; a second connecting ring 52, one end of the second connecting ring 52 is connected to one end of the second pipe 4, and the other end of the second connecting ring 52 is connected to the second connecting pipe port 12.

[0044] Specifically, one end of the first connecting ring 51 is a circular ring structure with an external thread, and the end of the first tube 3 close to the first connecting ring 51 has an internal thread that matches the external thread of the first connecting ring 51, and the first connecting ring 51 is connected to the first tube 3 by threaded matching; the other end of the first connecting ring 51 is connected to the first pipe port 11 by a snap-fit.

[0045] Specifically, one end of the second connecting ring 52 is a circular ring structure with an external thread, and the end of the second tube 4 close to the second connecting ring 52 has an internal thread that matches the external thread of the second connecting ring 52, and the second connecting ring 52 is connected to the first tube 3 by threaded matching; the inner wall surface of the other end of the second connecting ring 52 is a smooth wall surface, which is used for interference connection with the outer peripheral surface of the second connecting pipe port 12.

[0046] A circular annular protrusion is provided at one end of the second connecting ring 52 close to the second tube 4. The maximum diameter of the outer circumferential surface of the circular annular protrusion is smaller than the minor diameter of the external thread of the second connecting ring 52. One end of the inner tube 42 is sleeved on the outer circumferential surface of the circular annular protrusion to connect the inner tube 42 with the second air duct 102 through the second connecting ring 52.

[0047] like Figure 2 and Figure 3 As shown, the air inlet and outlet assembly also includes a seal 6, which is sleeved on the second pipe opening 12, and one end face of the seal 6 is in contact with one end face of the second connecting ring 52 to ensure that the annular channel between the first pipe 3 and the second pipe 4 is separated from the inside of the second pipe 4 to prevent the fresh air and the dirty air from mixing.

[0048] The present invention also provides an air conditioner, which includes the above-mentioned air inlet and outlet components.

[0049] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0050] The air inlet and outlet assembly of the present invention is suitable for air conditioners. The air inlet and outlet assembly includes a first tube 3 and a second tube 4. The first tube 3 is sleeved outside the second tube 4. The annular channel between the first tube 3 and the second tube 4 is used for the flow of the first gas. The second tube 4 is used for the flow of the second gas. The second tube 4 includes an inner tube 42 and a heat preservation tube 41 sleeved outside the inner tube 42. The inner tube 42 is used for the flow of the second gas, and the heat preservation tube 41 is used to insulate the inner tube 42. In this way, when installing the air conditioner, only one hole needs to be drilled on the wall, which can reduce the degree of damage to the user's wall. Some small parts are merged to solve the problem of complex assembly of parts, reduce the difficulty of installing the air conditioner, reduce installation costs, save installation space, improve the practicality of the air conditioner, and provide users with a better consumer experience. The problem of a large number of holes when the fresh air exhaust system of the air conditioner in the prior art is installed on the wall is solved.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An air inlet and outlet assembly, suitable for an air conditioner, characterized in that: The air inlet and outlet components include: A first tube (3) and a second tube (4), wherein the first tube (3) is sleeved outside the second tube (4); an annular channel is formed between the first tube (3) and the second tube (4) for allowing a first gas to flow; and the second tube (4) is used for allowing a second gas to flow; The second tube (4) comprises an inner tube (42) and a heat preservation tube (41) sleeved outside the inner tube (42), the inner tube (42) is used for allowing the second gas to flow, and the heat preservation tube (41) is used for heat preservation of the inner tube (42); The air inlet and outlet assembly further comprises: a first joint (1) for being installed in a casing of the air conditioner on the indoor side, wherein the first joint (1) is provided with a first air duct (101) and a second air duct (102); a second joint (2) for being arranged on the outdoor side, wherein the second joint (2) comprises a first connecting portion (21) and a second connecting portion (22) connected to each other; One end of the annular channel is in communication with the first air duct (101), and the other end of the annular channel is in communication with the first connecting portion (21); one end of the second tube (4) is in communication with the second air duct (102), and the other end of the second tube (4) is in communication with the second connecting portion (22); The first connection part (21) and the second connection part (22) are arranged in sequence along a predetermined direction; one side of the first connection part (21) is connected to one end of the first tube (3), and the other side of the first connection part (21) is connected to the second connection part (22); one end of the second tube (4) passes through the first connection part (21) and is connected to the second connection part (22); The first connecting portion (21) comprises a connecting body (211) and a connecting end cover (212), one end of the connecting end cover (212) is connected to the connecting body (211), and the other end of the connecting end cover (212) is used to be connected to one end of the first tube (3); The first joint (1) further comprises a first pipe connection opening (11) and a second pipe connection opening (12), wherein the second pipe connection opening (12) is arranged inside the first pipe connection opening (11); one end of the first pipe connection opening (11) is connected to the first air duct (101), and the other end of the first pipe connection opening (11) is connected to the first pipe (3); one end of the second pipe connection opening (12) is connected to the second air duct (102), and the other end of the second pipe connection opening (12) is connected to the second pipe (4); The air inlet and outlet assembly further comprises a transition joint (5), wherein the transition joint (5) comprises: a first connecting ring (51), one end of the first connecting ring (51) being connected to one end of the first pipe (3), and the other end of the first connecting ring (51) being connected to the first connecting pipe port (11); and a second connecting ring (52), one end of the second connecting ring (52) being connected to one end of the second pipe (4), and the other end of the second connecting ring (52) being connected to the second connecting pipe port (12).

2. The air inlet and outlet assembly according to claim 1, characterized in that: The connecting body (211) comprises a first accommodating cavity and a first opening portion and a second opening portion connected to the first accommodating cavity; the first opening portion is located on a side of the first accommodating cavity close to the connecting end cover (212), and the first tube (3) is connected to the first accommodating cavity through the first opening portion; the second opening portion is located on a side of the first accommodating cavity close to the second connecting portion (22), and one end of the second tube (4) passes through the first accommodating cavity and the second opening portion and is connected to the second connecting portion (22).

3. The air inlet and outlet assembly according to claim 1, characterized in that: The connecting body (211) comprises a first accommodating cavity and a third opening portion connected to the first accommodating cavity, the first connecting portion (21) further comprises a connecting tube (213), one end of the connecting tube (213) is connected to the third opening portion, the other end of the connecting tube (213) is used for allowing the first gas to enter and exit, and the first tube (3) is connected to the connecting tube (213) through the first accommodating cavity and the third opening portion.

4. The air inlet and outlet assembly according to claim 3, characterized in that: The connecting tube (213) comprises a first tube body portion (2131) and a second tube body portion (2132), wherein the first tube body portion (2131) is parallel to the horizontal direction, and the second tube body portion (2132) is parallel to the vertical direction; the first end of the first tube body portion (2131) is connected to the third opening portion, the second end of the first tube body portion (2131) is connected to the first end of the second tube body portion (2132), and the second end of the second tube body portion (2132) is located on a side of the first tube body portion (2131) close to the supporting base surface.

5. The air inlet and outlet assembly according to claim 1, characterized in that: The second connecting portion (22) comprises a box body (221) and a box cover (222); the box cover (222) comprises a second accommodating cavity and a fourth opening portion and a fifth opening portion which are communicated with the second accommodating cavity; the fourth opening portion is located on a side of the second accommodating cavity close to the second tube (4), and the second tube (4) is communicated with the second accommodating cavity through the fourth opening portion; the fifth opening portion is located on a side of the second connecting portion (22) close to the supporting base surface, and is used for allowing the second gas to enter and exit.

6. The air inlet and outlet assembly according to claim 5, characterized in that: The box cover (222) comprises a cover plate (2221) and a sleeve portion (2222); the cover plate (2221) is used to cover the box body (221); and the sleeve portion (2222) is sleeved on the thermal insulation pipe (41).

7. An air conditioner, characterized in that: The air conditioner comprises the air inlet and outlet assembly according to any one of claims 1 to 6.

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