Joint pipe fitting for refrigeration equipment

Abstract

The utility model discloses a joint pipe fitting for refrigeration equipment, which comprises a joint body, fixing rings are arranged on the inner walls of the two sides of the joint body, annular grooves are formed in the side walls of the two fixing rings, sealing rings are arranged in the two annular grooves, a plurality of circumferentially arranged positioning blocks are arranged in the two annular grooves, and the positioning blocks are arranged in the joint body. Moving mechanisms used for moving the multiple positioning blocks are arranged in the two annular grooves correspondingly, and driving mechanisms used for driving the moving mechanisms are arranged in the two fixing rings correspondingly. The movable blocks move to push the positioning blocks to move, the positioning blocks make contact with the inner wall of the pipe fitting and provide outward pushing force for the pipe fitting, and therefore the effect of limiting the position of the pipe fitting is achieved, operation is easy, and convenience is brought to people.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe fittings joints, in particular to a joint pipe fitting for refrigeration equipment. Background Technique

[0002] A pipe fitting joint is a connecting tool between pipes and is a part for connecting pipelines in a hydraulic system or installing pipelines on hydraulic components.

[0003] During the production process of refrigeration equipment, joint pipe fittings are generally used to connect pipelines. However, the existing joint pipe fittings are rather cumbersome to operate when connecting two pipe fittings. Professional connecting tools are required for connection, which is inconvenient and brings trouble to people. Moreover, multiple operations are needed to complete the connection process, reducing the overall linkage of the device. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. By moving multiple moving blocks to push multiple positioning blocks to move, making the multiple positioning blocks contact the inner wall of the pipe fitting and providing an outward thrust to the pipe fitting, the effect of restricting the position of the pipe fitting is achieved. The operation is simple and convenient for people. Thus, a joint pipe fitting for refrigeration equipment is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A joint pipe fitting for refrigeration equipment includes a joint body. Fixed rings are provided on the inner walls of both sides of the joint body. Annular grooves are provided on the side walls of the two fixed rings. Sealing rings are provided in the two annular grooves. Multiple circumferentially arranged positioning blocks are provided in the two annular grooves. Moving mechanisms for moving the multiple positioning blocks are provided in the two annular grooves. Driving mechanisms for driving the moving mechanisms are provided in the two fixed rings.

[0007] Preferably, the moving mechanism includes a plurality of circumferentially arranged threaded rods rotatably connected to the inner wall of the fixed ring. Moving blocks are threadedly connected to the outer walls of the multiple threaded rods. Two connecting rods are provided on each of the multiple moving blocks. The two connecting rods penetrate through the inner wall of the fixed ring and are connected to the positioning blocks.

[0008] Preferably, the driving mechanism includes a plurality of circumferentially arranged fixed rods provided on the inner wall of the fixed ring. A fixed disk is fixedly connected to the ends of the multiple fixed rods. A bevel gear ring is rotatably connected to the side wall of the fixed disk. First bevel gears meshing with the bevel gear ring are provided at the ends of the multiple threaded rods.

[0009] Preferably, a transmission rod is rotatably connected through between the two fixed disks. The two bevel gear rings are respectively provided on the outer walls at both ends of the transmission rod and fixedly connected thereto.

[0010] Preferably, an operating rod is rotatably connected through the upper end of the joint body, and second bevel gears are provided on the end of the operating rod and the outer wall of the transmission rod, and the two second bevel gears are meshed with each other.

[0011] Preferably, a knob is provided at the upper end of the operating rod, and a damping gasket is provided at the through-rotating connection of the operating rod and the joint body.

[0012] Advantages of the utility model:

[0013] 1. By moving multiple moving blocks to push multiple positioning blocks to move, the multiple positioning blocks are brought into contact with the inner wall of the pipe fitting and provide an outward thrust to the pipe fitting, so as to achieve the effect of restricting the position of the pipe fitting. The operation is simple and convenient for people.

[0014] 2. By setting the meshing of the bevel gear ring and multiple first bevel gears, and the meshing of two second bevel gears, when the operating rod is rotated, the simultaneous rotation of multiple threaded rods can be realized, improving the overall linkage of the device. Description of the drawings

[0015] Figure 1 It is a left side view schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a right side view schematic diagram of the overall structure of the utility model;

[0017] Figure 3 It is a side view schematic diagram of the overall structure of the utility model.

[0018] In the figure: 1 joint body, 2 operating rod, 3 damping gasket, 4 fixing ring, 5 annular groove, 6 sealing ring, 7 threaded rod, 8 moving block, 9 connecting rod, 10 positioning block, 11 fixing rod, 12 fixing disk, 13 bevel gear ring, 14 first bevel gear, 15 transmission rod, 16 second bevel gear. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is 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 should not be construed as a limitation of the present utility model.

[0021] Referring to Figures 1-3 , a joint pipe fitting for a refrigeration device, comprising a joint body 1. Fixed rings 4 are provided on the inner walls of both sides of the joint body 1. Annular grooves 5 are provided on the side walls of the two fixed rings 4. Sealing rings 6 are provided in the two annular grooves 5. A plurality of circumferentially arranged positioning blocks 10 are provided in the two annular grooves 5. A moving mechanism for moving the plurality of positioning blocks 10 is provided in the two annular grooves 5. The moving mechanism includes a plurality of circumferentially arranged threaded rods 7 rotatably connected to the inner walls of the fixed rings 4. Moving blocks 8 are threadedly connected to the outer walls of the plurality of threaded rods 7. Two connecting rods 9 are provided on each of the plurality of moving blocks 8. The two connecting rods 9 penetrate through the inner walls of the fixed rings 4 and are connected to the positioning blocks 10. By moving the plurality of moving blocks 8 to push the plurality of positioning blocks 10 to move, the plurality of positioning blocks 10 are brought into contact with the inner wall of the pipe fitting and provide an outward thrust to the pipe fitting, thereby achieving the effect of restricting the position of the pipe fitting. The operation is simple and convenient for people.

[0022] A driving mechanism for driving the moving mechanism is provided in each of the two fixed rings 4. The driving mechanism includes a plurality of circumferentially arranged fixed rods 11 provided on the inner walls of the fixed rings 4. A fixed disk 12 is fixedly connected to the ends of the plurality of fixed rods 11. A bevel gear ring 13 is rotatably connected to the side wall of the fixed disk 12. First bevel gears 14 meshing with the bevel gear ring 13 are provided at the ends of the plurality of threaded rods 7.

[0023] A transmission rod 15 is rotatably connected through between the two fixed disks 12. The two bevel gear rings 13 are respectively provided on the outer walls at both ends of the transmission rod 15 and fixedly connected thereto.

[0024] An operating rod 2 is rotatably connected through the upper end of the joint body 1. Second bevel gears 16 are provided on the ends of the operating rod 2 and the outer wall of the transmission rod 15. The two second bevel gears 16 are meshed with each other. By setting the meshing of the bevel gear ring 13 with the plurality of first bevel gears 14 and the meshing of the two second bevel gears 16, when the operating rod 2 is rotated, the simultaneous rotation of the plurality of threaded rods 7 can be realized, improving the overall linkage of the device.

[0025] A knob is provided at the end of the upper end of the operating rod 2. A damping gasket 3 is provided at the rotatable connection through portion of the operating rod 2 and the joint body 1.

[0026] When the utility model is in use, when connecting pipe fittings, place the two pipe fittings on both sides of the joint body 1, push the pipe fittings inward, so that the two pipe fittings are respectively located in the annular grooves 5 on the side walls of the two fixing rings 4, and the sealing rings 6 in the annular grooves 5 seal between the pipe fittings and the annular grooves 5 to ensure the sealing performance of the device. Then rotate the operating rod 2. By the meshing of the second bevel gear 16 between the operating rod 2 and the transmission rod 15, the transmission rod 15 rotates, so that the bevel gear rings 13 on the outer walls at both ends of the transmission rod 15 rotate. By the meshing of the bevel gear rings 13 and a plurality of first bevel gears 14, the plurality of first bevel gears 14 rotate to drive the plurality of threaded rods 7 to rotate. With the threaded connection between the moving blocks 8 and the threaded rods 7 and the connection effect of multiple pairs of connecting rods 9, the plurality of moving blocks 8 move to push the plurality of positioning blocks 10 to move, so that the plurality of positioning blocks 10 contact the inner walls of the pipe fittings and provide an outward thrust to the pipe fittings, thus achieving the effect of restricting the positions of the pipe fittings. The operation is simple and convenient for people.

[0027] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution of the utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the utility model.

Claims

1. A joint pipe for refrigeration equipment, comprising a joint body (1), characterized in that: The inner walls on both sides of the joint body (1) are provided with fixing rings (4), the side walls of the two fixing rings (4) are provided with annular grooves (5), the two annular grooves (5) are provided with sealing rings (6), the two annular grooves (5) are provided with a plurality of circumferentially arranged positioning blocks (10), the two annular grooves (5) are provided with a moving mechanism for moving the plurality of positioning blocks (10), and the two fixing rings (4) are provided with a driving mechanism for driving the moving mechanism.

2. A joint pipe for refrigeration equipment according to claim 1, characterized in that: The moving mechanism comprises a plurality of circumferentially arranged threaded rods (7) rotatably connected to the inner wall of the fixing ring (4); the outer walls of the plurality of threaded rods (7) are all threadedly connected to moving blocks (8); the plurality of moving blocks (8) are each provided with two connecting rods (9); the two connecting rods (9) penetrate the inner wall of the fixing ring (4) and are connected to the positioning block (10).

3. A joint pipe for refrigeration equipment according to claim 2, characterized in that: The driving mechanism comprises a plurality of circumferentially arranged fixed rods (11) arranged on the inner wall of a fixed ring (4); the ends of the plurality of fixed rods (11) are commonly fixedly connected to a fixed disk (12); a rotating rod on the side wall of the fixed disk (12) is connected to a bevel gear ring (13); and the ends of the plurality of threaded rods (7) are each provided with a first bevel gear (14) meshing with the bevel gear ring (13).

4. A joint pipe for refrigeration equipment according to claim 3, characterized in that: A transmission rod (15) is rotatably connected through the two fixed plates (12), and the two bevel gear rings (13) are respectively arranged on the outer walls at both ends of the transmission rod (15) and are fixedly connected thereto.

5. A joint pipe for refrigeration equipment according to claim 4, characterized in that: An operating rod (2) is rotatably connected to the upper end of the joint body (1), and a second bevel gear (16) is provided at the end of the operating rod (2) and the outer wall of the transmission rod (15), and the two second bevel gears (16) are meshed with each other.

6. A joint pipe for refrigeration equipment according to claim 5, characterized in that: A knob is provided at the upper end of the operating rod (2), and a damping gasket (3) is provided at the through-rotation connection between the operating rod (2) and the joint body (1).

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