Air conditioning pipe joint

Abstract

The utility model discloses an air conditioning pipe joint, including a joint body, the joint body is provided with a connection hole, the end A of the connection hole is provided with an expansion slot, the expansion slot is connected to the connection hole, the diameter of the expansion slot is larger than the diameter of the connection hole, the connection hole is used to engage the air conditioning pipe, and the expansion slot is used to place a first sealing ring, so that the first sealing ring makes up for the connection gap between the air conditioning pipe and the connection hole. Through the above structure, the plug-in connection between the air conditioning pipe and the joint body has sealing performance, which saves installation time, improves installation efficiency, and is more conducive to batch assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of joints, and in particular relates to an air-conditioning pipe joint. Background Art

[0002] Air conditioning pipes usually adopt hard pipes, which have the advantages of pressure resistance, corrosion resistance, thermal conductivity, etc., so that the air conditioning pipes can withstand higher pressure, are not easy to deform, are not easily corroded by refrigerant and working medium, and quickly conduct the temperature of refrigerant and working medium, thereby ensuring the refrigeration efficiency of the air conditioning system, and the pipeline channel can operate stably for a long time. In the prior art, joints are usually set at the connection between air conditioning pipes. In order to ensure the sealing inside the air conditioning pipe, welding is usually adopted to connect the air conditioning pipe and the joint. However, welding leads to a long installation time of the joint and the air conditioning pipe, low installation efficiency, and is not conducive to mass production. Therefore, the utility model proposes an air conditioning pipe joint. Utility Model Content

[0003] The utility model aims to solve the above-mentioned technical problems existing in the prior art and provide an air conditioning pipe joint, which shortens the installation time of the joint body and the air conditioning pipe and improves the installation efficiency.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] An air conditioning pipe joint comprises a joint body, the joint body is provided with a connecting hole, an end A of the connecting hole is provided with an expansion groove, the expansion groove is connected to the connecting hole, the diameter of the expansion groove is larger than the diameter of the connecting hole, the connecting hole is used to engage the air conditioning pipe, and the expansion groove is used to place a first sealing ring, so that the first sealing ring makes up for the connection gap between the air conditioning pipe and the connecting hole.

[0006] Furthermore, the connecting hole includes a first hole and a second hole, and the first hole and the second hole intersect and form an angle.

[0007] Furthermore, the joint body is provided with a connecting plate, the connecting plate is provided with a connecting hole, a connecting piece is inserted into the connecting hole, and the connecting piece fixes the connecting plate.

[0008] Furthermore, the connecting piece adopts a bolt, and the end of the connecting hole is chamfered along the hole edge so that the end of the connecting hole matches the head of the bolt, and then the head of the bolt is embedded in the connecting hole.

[0009] Furthermore, a positioning groove is formed between the connecting plate and the joint body, and the positioning groove is connected to the mounting plate in the shell of the refrigeration system by being engaged.

[0010] Furthermore, the connecting plate and the joint body are integrally arranged.

[0011] Furthermore, a connecting pipe is provided at the end B of the connecting hole, and an annular groove is provided along the outer wall of the connecting pipe. The annular groove is used to limit the fourth sealing ring, and the connecting pipe is used to be embedded in the air conditioning pipe.

[0012] An air conditioning pipe joint includes a joint body, wherein the joint body is provided with a connecting hole, and an end A of the connecting hole is provided with a threaded hole, the threaded hole is connected to the connecting hole, the diameter of the threaded hole is larger than the diameter of the connecting hole, the threaded hole is used for threaded connection with the air conditioning pipe, an embedding tube is provided along the hole edge of the connecting hole, a sealing assembly is provided on the embedding tube, and the embedding tube is used for sealing and embedding in the air conditioning pipe.

[0013] Furthermore, the sealing assembly includes a second sealing ring and a third sealing ring. The second sealing ring is sleeved on the outer wall of the mosaic tube and is used to seal the gap between the side walls of the mosaic tube and the air-conditioning tube. The third sealing ring is arranged at the bottom of the threaded hole. The outer diameter of the third sealing ring is larger than the outer diameter of the second sealing ring, and the inner diameter of the air-conditioning tube is smaller than the inner diameter of the third sealing ring, so that the end of the air-conditioning tube is against the third sealing ring.

[0014] Furthermore, the chimeric tube is provided with a baffle plate, the diameter of which is larger than the outer diameter of the chimeric tube, and the second sealing ring is provided with a chimeric groove, the baffle plate is embedded in the chimeric groove, so that the second sealing ring is fixed on the baffle plate.

[0015] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0016] The utility model includes a joint body, the joint body is provided with a connection hole, the end A of the connection hole is provided with an expansion slot, the expansion slot is connected to the connection hole, the diameter of the expansion slot is larger than the diameter of the connection hole, the connection hole is used to fit the air conditioning pipe, and the expansion slot is used to place a first sealing ring, so that the first sealing ring makes up for the connection gap between the air conditioning pipe and the connection hole. Through the above structure, the plug-in connection between the air conditioning pipe and the joint body has sealing performance, which saves installation time, improves installation efficiency, and is more conducive to batch assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings:

[0018] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present utility model (I);

[0019] Figure 2 This is a structural schematic diagram (II) of Embodiment 2 of the present utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the second embodiment of the present utility model;

[0021] Figure 4 for Figure 3 Sectional view at AA in the middle;

[0022] Figure 5 for Figure 4 Enlarged view of point a in the middle.

[0023] In the figure, 1-connector body; 2-connecting plate; 3-connecting hole; 4-expansion groove; 5-connecting pipe; 6-annular groove; 7-positioning groove; 8-first sealing ring; 9-air conditioning pipe; 10-first channel; 11-second channel; 12-connecting hole; 13-mocked pipe; 14-edge plate; 15-second sealing ring; 16-threaded hole; 17-third sealing ring; 18-fourth sealing ring. DETAILED DESCRIPTION

[0024] like Figure 1 and Figure 2 As shown, it is the first embodiment of the utility model, an air conditioning pipe joint, comprising a joint body 1, the joint body 1 is provided with a connection hole 12, the end A of the connection hole 12 is provided with an expansion slot 4, the expansion slot 4 is connected to the connection hole 12, the diameter of the expansion slot 4 is larger than the diameter of the connection hole 12, the connection hole 12 is used to fit the air conditioning pipe 9, and the expansion slot 4 is used to place the first sealing ring 8, so that the first sealing ring 8 makes up for the connection gap between the air conditioning pipe 9 and the connection hole 12. Through the above structure, the plug-in of the air conditioning pipe 9 and the joint body 1 is sealed, which saves installation time, improves installation efficiency, and is more conducive to mass production and assembly.

[0025] The connection hole 12 includes a first hole 10 and a second hole 11, which intersect and form an angle. With the assistance of the joint body 1, the independent air conditioning pipe 9 respectively connected to the first hole 10 and the second hole 11 is bent at a right angle of 90 degrees to better match the internal space of the refrigeration system shell.

[0026] The connection plate 2 and the joint body 1 are integrated to enhance the stability of the connection between the two. The connection plate 2 is provided with a connection hole 3, and a connector is inserted into the connection hole 3 to fix the connection plate 2. The connector adopts a bolt, and the end of the connection hole 3 is chamfered along the hole edge so that the end of the connection hole 3 matches the head of the bolt, and then the head of the bolt is embedded in the connection hole 3. The joint body 1 is fixed to the mounting plate in the refrigeration system housing through the connection plate 2 to ensure the stability of the two air conditioning pipes 9 connected to the joint body 1.

[0027] Upper and lower positioning grooves 7 are formed between the connecting plate 2 and the connector body 1, and the positioning grooves 7 are engaged with the plate body inside the air conditioner to locate the position of the connector body 1. During installation, the positioning grooves 7 are engaged and positioned on the mounting plate, and then the connecting plate 2 is fixed to improve the connection efficiency.

[0028] A connecting pipe 5 is provided at the end B of the connecting hole 12, and an annular groove 6 is provided along the outer wall of the connecting pipe 5. The annular groove 6 is used to limit the fourth sealing ring 18. When the connecting pipe 5 is embedded in the air-conditioning pipe 9, the fourth sealing ring 18 fills the connection gap between the air-conditioning pipe 9 and the connecting pipe 5, thereby improving the sealing between the air-conditioning pipe 9 and the connecting pipe 5.

[0029] like Figures 3 to 5 As shown, it is the second embodiment of the utility model, an air conditioning pipe joint, including a joint body 1, the joint body 1 is provided with a connection hole 12, the end A of the connection hole 12 is provided with a threaded hole 16, the threaded hole 16 is connected to the connection hole 12, the diameter of the threaded hole 16 is larger than the diameter of the connection hole 12, the threaded hole 16 is used to be threadedly connected with the air conditioning pipe 9, and a chimeric tube 13 is provided along the hole edge of the connection hole 12, and a sealing component is provided on the chimeric tube 13, and the chimeric tube 13 is used to be sealed and chimeric in the air conditioning pipe 9. When the air conditioning pipe 9 is screwed into the threaded hole 16 during connection, the chimeric tube 13 is embedded in the interior of the air conditioning pipe 9, which improves the connection strength and stability.

[0030] The sealing assembly includes a second sealing ring 15 and a third sealing ring 17. The chimeric tube 13 is provided with a baffle plate 14, the diameter of which is larger than the outer diameter of the chimeric tube 13. The second sealing ring 15 is provided with a chimeric groove, and the baffle plate 14 is embedded in the chimeric groove, so that the second sealing ring 15 is fixed on the baffle plate 14. The second sealing ring 15 is used to seal the gap between the chimeric tube 13 and the side wall of the air conditioning tube 9. The third sealing ring 17 is arranged at the bottom of the threaded hole 16. The outer diameter of the third sealing ring 17 is larger than the outer diameter of the second sealing ring 15. The inner diameter of the air conditioning tube 9 is smaller than the inner diameter of the third sealing ring 17, so that the end of the air conditioning tube 9 is against the third sealing ring 17. Double-layer sealing effectively prevents leakage of refrigerant.

[0031] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. An air conditioning pipe joint, comprising a joint body, wherein the joint body is provided with a connection hole, characterized in that: An expansion groove is provided at the end A of the connecting hole, and the expansion groove is connected to the connecting hole. The diameter of the expansion groove is larger than the diameter of the connecting hole. The connecting hole is used to engage the air-conditioning pipe, and the expansion groove is used to place the first sealing ring so that the first sealing ring makes up for the connection gap between the air-conditioning pipe and the connecting hole.

2. An air conditioning pipe joint according to claim 1, characterized in that: The connecting hole includes a first hole and a second hole, and the first hole and the second hole intersect and form an angle.

3. An air conditioning pipe joint according to claim 1, characterized in that: The joint body is provided with a connecting plate, and the connecting plate is provided with a connecting hole. A connecting piece is inserted into the connecting hole, and the connecting piece fixes the connecting plate.

4. An air conditioning pipe joint according to claim 3, characterized in that: The connecting piece is a bolt, and the end of the connecting hole is chamfered along the hole edge so that the end of the connecting hole matches the head of the bolt, and then the head of the bolt is embedded in the connecting hole.

5. The air conditioning pipe joint according to claim 3, characterized in that: A positioning groove is formed between the connecting plate and the joint body, and the positioning groove is connected to the mounting plate in the refrigeration system shell by being embedded.

6. An air conditioning pipe joint according to claim 3, characterized in that: The connecting plate and the joint body are integrally arranged.

7. An air conditioning pipe joint according to claim 1, characterized in that: A connecting pipe is provided at the end B of the connecting hole. An annular groove is provided along the outer wall of the connecting pipe. The annular groove is used to limit the fourth sealing ring. The connecting pipe is used to be embedded in the air conditioning pipe.

8. The air conditioning pipe joint according to claim 1, characterized in that: A threaded hole is provided at the end A of the connecting hole, the threaded hole is connected to the connecting hole, the diameter of the threaded hole is larger than the diameter of the connecting hole, the threaded hole is used for threaded connection with the air-conditioning pipe, a mosaic tube is provided along the hole edge of the connecting hole, a sealing assembly is provided on the mosaic tube, and the mosaic tube is used for sealing and mosaicking in the air-conditioning pipe.

9. An air conditioning pipe joint according to claim 8, characterized in that: The sealing assembly includes a second sealing ring and a third sealing ring. The second sealing ring is sleeved on the outer wall of the mosaic tube. The second sealing ring is used to seal the gap between the mosaic tube and the side wall of the air-conditioning pipe. The third sealing ring is arranged at the bottom of the threaded hole. The outer diameter of the third sealing ring is larger than the outer diameter of the second sealing ring. The inner diameter of the air-conditioning pipe is smaller than the inner diameter of the third sealing ring, so that the end of the air-conditioning pipe is against the third sealing ring.

10. An air conditioning pipe joint according to claim 9, characterized in that: The embedded tube is provided with a baffle plate, the diameter of which is larger than the outer diameter of the embedded tube, and the second sealing ring is provided with an embedded groove, the baffle plate is embedded in the embedded groove, so that the second sealing ring is fixed on the baffle plate.

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