Sleeve, connecting pipe assembly and air conditioner

Abstract

The utility model discloses a sleeve, a connecting pipe assembly and an air conditioner. The sleeve comprises a body and a first limiting part. The body is in an open ring shape, and the body is provided with a first containing cavity and a second containing cavity which are sequentially arranged and communicated in the direction from the closed end to the open end of the body. The first limiting part is located at one axial end of the body and connected with the part, forming the first containing cavity, of the body, the first limiting part is provided with a protruding part protruding towards the interior of the first containing cavity, and at least part of the protruding part is opposite to the first containing cavity in the axial direction of the body. According to the sleeve, the fixed part and the fixed part can be firmly and reliably fixed, the fixed part in the sleeve is limited to slide in the axis direction, and the fixed part is prevented from falling off from the sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of air processing devices, in particular to a sleeve, a connecting pipe component and an air conditioner. Background Art

[0002] In the related art, the parts fixed by the sleeve are prone to slippage or even falling off, and the fixing effect is poor and cannot meet the use requirements. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a sleeve, which can achieve a firm and reliable fixation of a fixing member and a fixed member, and limit the sliding of the fixed member in the sleeve in the axial direction to prevent the fixed member from falling out of the sleeve.

[0004] Another object of the utility model is to provide a connecting pipe assembly having the above-mentioned sleeve.

[0005] Another object of the utility model is to provide an air conditioner having the connecting pipe assembly.

[0006] According to the sleeve of the embodiment of the utility model, it includes: a body, which is an open ring shape, and in the direction from the closed end to the open end of the body, the body has a first accommodating cavity and a second accommodating cavity which are arranged in sequence and connected; a first limiting portion, the first limiting portion is located at one axial end of the body and is connected to the part of the body that constitutes the first accommodating cavity, the first limiting portion has a protruding portion protruding toward the first accommodating cavity, and in the axial direction of the body, at least a part of the protruding portion is opposite to the first accommodating cavity.

[0007] According to the sleeve of the embodiment of the utility model, a first limiting portion is added to an axial end of the main body, and the first limiting portion has a protrusion protruding toward the first accommodating cavity. Along the axial direction of the main body, at least a part of the protrusion is opposite to the first accommodating cavity. The protrusion can play a limiting role in the axial direction of the first accommodating cavity, and can limit the fixed part in the first accommodating cavity from sliding in the direction of the main body axis toward the protrusion, thereby avoiding the fixed part in the first accommodating cavity from falling off, and ensuring that the fixing part and the fixed part assembled in the sleeve are firm and reliable.

[0008] In some embodiments of the utility model, the main body includes: a main body portion, which is an open ring shape, the first accommodating cavity includes a first cavity located in the main body portion, and the second accommodating cavity is located in the main body portion; a fixed portion, the main body portion is provided with the fixed portion at at least one of the two ends along the axial direction of the main body, the fixed portion is an open ring shape and has the same opening direction as the main body portion, the first accommodating cavity also includes a second cavity located in the fixed portion, the second cavity and the first cavity are arranged opposite to each other in the axial direction of the body, and the first limiting portion is connected to the end of the fixed portion away from the main body portion.

[0009] In some embodiments of the present invention, in the direction from the closed end to the open end of the second cavity, both ends of the fixing portion in the circumferential direction are inclined toward a direction approaching each other.

[0010] In some embodiments of the present invention, both ends of the opening of the fixing portion are connected with first guide portions, and in the direction from the closed end to the open end of the second cavity, the two first guide portions are inclined in a direction away from each other.

[0011] In some embodiments of the utility model, at least one of the two opposite side walls of the main body has a first protrusion, and the side of the first protrusion facing away from the main body opening is used to form the inner wall of the first accommodating cavity, and / or, at least one of the two opposite side walls of the main body has a second protrusion, and the side of the second protrusion facing the main body opening is used to form the inner wall of the second accommodating cavity.

[0012] In some embodiments of the present invention, the first protrusion and the second protrusion are provided on the side wall of the main body, and the second protrusion is spaced apart from the first protrusion and is located on a side of the first protrusion facing the main body opening.

[0013] In some embodiments of the present invention, in the direction from the closed end to the open end of the body, the two ends of the body in the circumferential direction are inclined toward a direction approaching each other.

[0014] In some embodiments of the present invention, both ends of the opening of the body are connected with second guide parts, and in the direction from the closed end to the open end of the body, the two second guide parts are inclined in a direction away from each other.

[0015] In some embodiments of the utility model, both guide parts are provided with limiting notches and the two limiting notches are arranged opposite to each other.

[0016] The connecting pipe assembly according to the embodiment of the utility model comprises: the above-mentioned sleeve, the connecting pipe and the temperature sensing probe. The connecting pipe is inserted into the second accommodating cavity; the temperature sensing probe is inserted into the first accommodating cavity and one end of the temperature sensing probe abuts against the first limiting portion.

[0017] According to the connecting pipe assembly of the embodiment of the utility model, a first limiting portion is added to an axial end of the main body, and the first limiting portion has a protrusion protruding toward the first accommodating cavity. Along the axial direction of the main body, at least a part of the protrusion is opposite to the first accommodating cavity. The protrusion can play a limiting role in the axial direction of the first accommodating cavity, and can limit the fixed part in the first accommodating cavity from sliding in the direction of the main body axis toward the protrusion, thereby avoiding the fixed part in the first accommodating cavity from falling off, and ensuring that the fixing part and the fixed part assembled in the sleeve are firm and reliable.

[0018] An air conditioner according to an embodiment of the utility model includes: the above-mentioned connecting pipe assembly.

[0019] According to the air conditioner of the embodiment of the utility model, a first limiting portion is added to an axial end of the main body, and the first limiting portion has a protrusion protruding toward the first accommodating cavity. Along the axial direction of the main body, at least a part of the protrusion is opposite to the first accommodating cavity. The protrusion can play a limiting role in the axial direction of the first accommodating cavity, and can limit the fixed part in the first accommodating cavity from sliding in the direction of the main body axis toward the protrusion, thereby avoiding the fixed part in the first accommodating cavity from falling off, and ensuring that the fixing part and the fixed part assembled in the sleeve are firm and reliable.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 is a front view of a sleeve according to an embodiment of the utility model;

[0023] Figure 2 It is a left side view of the sleeve according to an embodiment of the utility model;

[0024] Figure 3 is a top view of a sleeve according to an embodiment of the utility model;

[0025] Figure 4 yes Figure 1 The enlarged view of point A in the middle;

[0026] Figure 5 is along Figure 1Sectional view along the midline BB;

[0027] Figure 6 It is an assembly diagram of a connecting pipe assembly according to an embodiment of the utility model.

[0028] Reference numerals:

[0029] 100, sleeve;

[0030] 1. body; 11. main body; 111. first protrusion; 112. second protrusion; 12. fixing part; 13. first accommodating cavity; 131. first cavity; 132. second cavity; 14. second accommodating cavity;

[0031] 2. a first limiting portion; 21. a raised portion;

[0032] 3. A first guide portion;

[0033] 4. a second guide portion; 41. an anti-scratch portion;

[0034] 5. Limiting gap;

[0035] 200, connecting pipe assembly; 201, connecting pipe; 202, temperature sensing probe. DETAILED DESCRIPTION

[0036] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0037] The sleeve 100 according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0038] like Figure 1 and Figure 4 As shown, the sleeve 100 according to the embodiment of the utility model includes a body 1 and a first limiting portion 2.

[0039] Specifically, if Figure 1-Figure 2 As shown, the body 1 is an open ring, and in the direction from the closed end to the open end of the body 1, the body 1 has a first accommodating cavity 13 and a second accommodating cavity 14 which are arranged in sequence and connected. Figure 5 As shown, the body 1 of the sleeve 100 has a semicircular closed end in a cross section perpendicular to the axial direction of the body 1, and the first accommodating chamber 13 and the second accommodating chamber 14 are interconnected, which is suitable for assembling the tubular fixed part and the fixing part into the first accommodating chamber 13 and the second accommodating chamber 14, and ensuring that the fixing part and the fixed part are firm and reliable.

[0040] When the sleeve 100 is used to assemble the fixed part (such as the temperature sensing probe 202 described below) and the fixing part (such as the connecting pipe 201 described below), since the first accommodating chamber 13 and the second accommodating chamber 14 are connected to each other, the fixed part first enters the second accommodating chamber 14 from the open end of the body 1, and then the fixed part is assembled into the first accommodating chamber 13, and then the fixing part is assembled into the second accommodating chamber 14. By assembling the fixed part and the fixing part directly into the first accommodating chamber 13 and the second accommodating chamber 14 from the open end of the body 1, the fixed part can be fixed to the fixing part through the sleeve 100, so that the fixing part and the fixed part are firmly and reliably fixed.

[0041] In addition, if Figure 1 and Figure 3 As shown, the first limiting portion 2 is located at one axial end of the body 1 and is connected to the part of the body 1 that constitutes the first accommodating cavity 13, so that the first limiting portion 2 can be used to limit the fixed part located in the first accommodating cavity 13. The first limiting portion 2 has a protrusion 21 protruding toward the first accommodating cavity 13, and in the axial direction of the body 1, at least part of the protrusion 21 is opposite to the first accommodating cavity 13. For the fixed part in the first accommodating cavity 13, the part of the protrusion 21 opposite to the first accommodating cavity 13 plays a limiting role, which can limit the fixed part in the first accommodating cavity 13 from sliding in the direction of the axis of the body 1 toward the protrusion 21, and prevent the fixed part in the first accommodating cavity 13 from falling off.

[0042] According to the sleeve 100 of the embodiment of the utility model, a first limiting portion 2 is added to an axial end of the main body 1, and the first limiting portion 2 has a protrusion 21 protruding toward the first accommodating cavity 13. Along the axial direction of the main body 1, at least a part of the protrusion 21 is opposite to the first accommodating cavity 13. The protrusion 21 can play a limiting role in the axial direction of the first accommodating cavity 13, and can limit the fixed part in the first accommodating cavity 13 from sliding in the direction of the axis of the main body 1 toward the protrusion 21, thereby avoiding the fixed part in the first accommodating cavity 13 from falling off, and ensuring that the fixing part and the fixed part assembled in the sleeve 100 are firm and reliable.

[0043] In some embodiments of the present invention, Figure 1 and Figure 2 As shown, the body 1 includes a main body portion 11 and a fixing portion 12, the main body portion 11 is an open ring, the first accommodating cavity 13 includes a first cavity 131 located in the main body portion 11, and the second accommodating cavity 14 is located in the main body portion 11, so as to facilitate the connection between the first accommodating cavity 13 and the second accommodating cavity 14, and to facilitate the assembly of the fixed part into the second accommodating cavity 14 in the main body portion 11 through the open end on the main body portion 11, and then into the first cavity 131.

[0044] A fixing portion 12 is provided at at least one of the two ends of the main body 11 along the axial direction of the main body 1. It is understandable that the fixing portion 12 can be provided only at any one end of the main body 11 along the axial direction of the main body 1, or at both ends of the main body 11 along the axial direction of the main body 1. The fixing portion 12 is an open ring and has the same opening direction as the main body 11. The first accommodating cavity 13 also includes a second cavity 132 located in the fixing portion 12. The second cavity 132 is arranged opposite to the first cavity 131 in the axial direction of the main body 1. The first cavity 131 is connected to the second cavity 132 to form the first accommodating cavity 13. The arrangement of the first cavity 131 and the second cavity 132 can extend the length of the first accommodating cavity 13 in the axial direction of the main body 1, and can improve the fixing effect of the fixed part. The first limiting portion 2 is connected to the end of the fixing portion 12 that is away from the main body 11, which is convenient for the arrangement of the first limiting portion 2. The raised portion 21 on the first limiting portion 2 has a limiting function, which can limit the fixed part in the first accommodating cavity 13 from sliding in the direction of the axis of the main body 1 toward the raised portion 21, thereby preventing the fixed part in the first accommodating cavity 13 from falling off, and ensuring that the fixing part assembled in the sleeve 100 is firmly and reliably fixed to the fixed part.

[0045] In some embodiments of the present invention, Figure 2 As shown, in the direction from the closed end to the open end of the second cavity 132, the two end portions of the fixing portion 12 in the circumferential direction are inclined toward each other, which can reduce the opening width of the fixing portion 12 and increase the limiting effect of the two end portions of the fixing portion 12 in the circumferential direction on the fixed component in the second cavity 132, thereby preventing the fixed component from escaping from the opening of the fixing portion 12.

[0046] In some embodiments of the present invention, Figure 2 and Figure 3 As shown, both ends of the opening of the fixing portion 12 are connected with the first guide portions 3, and in the direction from the closed end to the open end of the second cavity 132, the two first guide portions 3 are inclined in a direction away from each other. In the process of assembling the fixed part from the second accommodating cavity 14 into the first accommodating cavity 13, the first guide portions 3 play a guiding role, making it easier to assemble the fixed part into the second cavity 132 of the fixing portion 12.

[0047] In some embodiments of the present invention, Figure 2 As shown, the two opposite side walls of the main body 11 near the closed end are parallel flat plates, thereby simplifying the structure and processing technology of the main body 11, improving production efficiency and reducing production costs.

[0048] In some embodiments of the present invention, Figure 1 and Figure 5As shown, at least one of the two opposite side walls of the main body 11 has a first protrusion 111, and the side of the first protrusion 111 facing away from the opening of the main body 1 is used to form the inner wall of the first accommodating cavity 13. The first protrusion 111 can limit the movement of the fixed part in the first accommodating cavity 13 toward the second accommodating cavity 14, further improving the fixing effect of the first accommodating cavity 13 on the fixed part, and preventing the fixed part from escaping from the first accommodating cavity 13.

[0049] In some embodiments of the present invention, Figure 1 and Figure 5 As shown, at least one of the two opposite side walls of the main body 1 has a second protrusion 112, and the side of the second protrusion 112 facing the opening of the main body 1 is used to form the inner wall of the second accommodating cavity 14. The second protrusion 112 can limit the movement of the fixing part in the second accommodating cavity 14 toward the first accommodating cavity 13, further improving the fixing effect of the second accommodating cavity 14 on the fixing part, and can prevent the fixing part from shaking in the second accommodating cavity 14 toward the first accommodating cavity 13, thereby ensuring the reliability of the fixing of the fixing part and the fixed part through the sleeve 100.

[0050] In some embodiments of the present invention, Figure 2 and Figure 5 As shown, the side wall of the body 1 is provided with a first protrusion 111 and a second protrusion 112, the second protrusion 112 is spaced apart from the first protrusion 111 and is located on the side of the first protrusion 111 that faces the opening of the body 1, so that a certain gap is left between the fixed part in the first accommodating cavity 13 and the fixing part in the second accommodating cavity 14. When the fixing part vibrates or the sleeve 100 moves, the fixing part can avoid direct contact or collision with the fixed part to cause damage.

[0051] In some embodiments of the present invention, Figure 2 and Figure 5 As shown, in the direction from the closed end to the open end of the main body 1, the two end portions in the circumferential direction of the main body 1 are inclined toward each other, which can reduce the opening width at the open end of the main body 1 and increase the limiting effect of the two end portions in the circumferential direction of the main body 1 on the fixing part in the second accommodating cavity 14, thereby preventing the fixing part from falling out of the opening of the main body 1.

[0052] In some embodiments of the present invention, Figure 1 and Figure 5 As shown, both ends of the opening of the body 1 are connected with second guide portions 4, and in the direction from the closed end to the open end of the body 1, the two second guide portions 4 are inclined in a direction away from each other. In the process of assembling the fixing member or the fixed member into the sleeve 100, the second guide portions 4 play a guiding role, making it easy to assemble the fixing member or the fixed member from the open end of the body 1 into the second accommodating cavity 14 or the first accommodating cavity 13.

[0053] In some embodiments of the present invention, Figure 2 As shown, the two second guide portions 4 have an anti-scratch portion 41 at one end facing away from the main body 1. In the direction from the open end to the closed end of the main body 1, the two anti-scratch portions 41 are inclined in a direction away from each other, thereby avoiding scratches on the fixed part or the fixing part during the process of assembling the fixed part and the fixing part from the open end of the main body 1 into the sleeve 100, thereby protecting the fixed part and the fixing part.

[0054] In some embodiments of the present invention, Figure 1 As shown, both guide parts are provided with limiting notches 5 and the two limiting notches 5 are arranged opposite to each other, and a cable tie can be sleeved outside the sleeve 100 to further prevent the fixing member and the fixed member from falling out of the sleeve 100, so as to increase the reliability of the fixing between the fixing member and the fixed member. The cable tie passing through the limiting notch 5 on the second guide part 4 can limit the cable tie from moving along the axial direction of the body 1 and falling out of the sleeve 100, thereby increasing the reliability of fixing the fixing member and the fixed member.

[0055] According to the following Figure 1 and Figure 6 A connecting pipe assembly 200 according to an embodiment of the present invention is described.

[0056] like Figure 1 and Figure 6 As shown, the connecting pipe assembly 200 according to the embodiment of the utility model includes the above-mentioned sleeve 100, the connecting pipe 201 and the temperature sensing probe 202. The connecting pipe 201 is inserted into the second accommodating chamber 14, and the connecting pipe 201 is a fixed part. The temperature sensing probe 202 is inserted into the first accommodating chamber 13 and one end of the temperature sensing probe 202 is stopped against the first limiting part 2, and the temperature sensing probe 202 is a fixed part. The temperature sensing probe 202 is fixed on the connecting pipe 201 through the sleeve 100, and the sleeve 100 as a whole is tilted downward at one end close to the first limiting part 2 in the axial direction. The downwardly tilted end of the temperature sensing probe 202 is stopped against the first limiting part 2, which can prevent the temperature sensing probe 202 from slipping under the action of gravity and prevent the temperature sensing probe 202 from falling off the sleeve 100.

[0057] The temperature sensing probe 202 is assembled in the first accommodating cavity 13 of the sleeve 100, and transmits the detected temperature information to the corresponding controller by detecting the temperature and temperature change of the surface of the connecting pipe 201, and compares it with the expected temperature value set by the controller. The controller makes the temperature of the medium in the connecting pipe 201 and the expected temperature value set by the controller continuously converge through the difference between the temperature information and the expected temperature value, thereby realizing the controller to adjust and control the temperature of the medium in the connecting pipe 201.

[0058] According to the connecting pipe assembly 200 of the embodiment of the utility model, a first limiting portion 2 is added to an axial end of the main body 1, and the first limiting portion 2 has a protrusion 21 protruding toward the first accommodating cavity 13. Along the axial direction of the main body 1, at least a part of the protrusion 21 is opposite to the first accommodating cavity 13. The protrusion 21 can play a limiting role in the axial direction of the first accommodating cavity 13, and can limit the fixed part in the first accommodating cavity 13 from sliding in the direction of the axis of the main body 1 toward the protrusion 21, thereby avoiding the fixed part in the first accommodating cavity 13 from falling off, and ensuring that the fixing part and the fixed part assembled in the sleeve 100 are firm and reliable.

[0059] The air conditioner according to the embodiment of the utility model includes the above-mentioned connecting pipe assembly 200, by adding a first limiting portion 2 at one axial end of the main body 1, and the first limiting portion 2 has a protrusion 21 protruding toward the first accommodating cavity 13. Along the axial direction of the main body 1, at least a part of the protrusion 21 is opposite to the first accommodating cavity 13. The protrusion 21 can play a limiting role in the axial direction of the first accommodating cavity 13, and can limit the fixed part in the first accommodating cavity 13 from sliding in the direction of the axis of the main body 1 toward the protrusion 21, thereby preventing the fixed part in the first accommodating cavity 13 from falling off, and ensuring that the fixing part and the fixed part assembled in the sleeve 100 are firm and reliable.

[0060] Wherein, the air conditioner includes a refrigeration system, which includes a compressor, an indoor heat exchanger, an outdoor heat exchanger and a four-way valve, the four-way valve includes a first port, a second port, a third port and a fourth port, the first port, the second port and one of the third ports are connected, the fourth port and the second port and the other of the third ports are connected, the exhaust port of the compressor and the first port are connected through a first pipeline, the return air port and the fourth port are connected through a second pipeline, one end of the indoor heat exchanger and the second port are connected through a third pipeline, one end of the outdoor heat exchanger is connected to the third port through a fourth pipeline, the other end of the indoor heat exchanger and the other end of the outdoor heat exchanger are connected through a fifth pipeline, and the connecting pipe 201 can be one of the first pipeline, the second pipeline, the third pipeline, the fourth pipeline and the fifth pipeline.

[0061] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0062] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0064] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A sleeve, characterized in that: include: A body, the body is in an open ring shape, and in a direction from the closed end to the open end of the body, the body has a first accommodating cavity and a second accommodating cavity which are sequentially arranged and connected; A first limiting portion, the first limiting portion is located at one axial end of the main body and is connected to a portion of the main body that constitutes the first accommodating cavity, the first limiting portion has a protruding portion protruding toward the first accommodating cavity, and in the axial direction of the main body, at least a portion of the protruding portion is opposite to the first accommodating cavity.

2. The sleeve according to claim 1, characterized in that The body comprises: A main body, wherein the main body is an open ring, the first accommodating cavity comprises a first cavity located in the main body, and the second accommodating cavity is located in the main body; A fixing portion, wherein the fixing portion is provided at at least one of the two ends of the main body along the axial direction of the main body, the fixing portion is an open ring and has the same opening direction as the main body, the first accommodating cavity also includes a second cavity located in the fixing portion, the second cavity and the first cavity are arranged opposite to each other in the axial direction of the main body, and the first limiting portion is connected to an end of the fixing portion away from the main body.

3. The sleeve according to claim 2, characterized in that In a direction from the closed end to the open end of the second cavity, both ends of the fixing portion in the circumferential direction are inclined toward directions approaching each other.

4. The sleeve according to claim 2, characterized in that Both ends of the opening of the fixing portion are connected with first guide portions, and in the direction from the closed end to the open end of the second cavity, the two first guide portions are inclined in a direction away from each other.

5. The sleeve according to claim 2, characterized in that At least one of the two opposite side walls of the main body has a first protrusion, and a side of the first protrusion facing away from the main body opening is used to form an inner wall of the first accommodating cavity. And / or, at least one of the two opposite side walls of the main body has a second protrusion, and a side of the second protrusion facing the main body opening is used to form an inner wall of the second accommodating cavity.

6. The sleeve according to claim 5, characterized in that The first protrusion and the second protrusion are provided on the side wall of the main body. The second protrusion is spaced apart from the first protrusion and is located on a side of the first protrusion facing the main body opening.

7. The sleeve according to claim 1, characterized in that In a direction from the closed end to the open end of the body, both ends of the body in the circumferential direction are inclined toward directions approaching each other.

8. The sleeve according to claim 1, characterized in that Both ends of the opening of the body are connected with second guide parts, and in the direction from the closed end to the open end of the body, the two second guide parts are inclined in a direction away from each other.

9. The sleeve according to claim 8, characterized in that The two guide parts are both provided with limiting notches and the two limiting notches are arranged opposite to each other.

10. A connecting pipe assembly, characterized in that: include: The sleeve according to any one of claims 1 to 9; A connecting pipe, the connecting pipe is inserted into the second accommodating cavity; A temperature sensing probe is inserted into the first accommodating cavity and one end of the temperature sensing probe abuts against the first limiting portion.

11. An air conditioner, characterized in that: Comprising the connecting pipe assembly according to claim 10.

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