Improved precision copper pipe for refrigeration equipment

Abstract

The utility model discloses an improved precision copper pipe for refrigeration equipment, which comprises a refrigeration equipment connecting pipe and a refrigeration copper pipe, the refrigeration copper pipe is arranged on the inner side of the refrigeration equipment connecting pipe, one end of the refrigeration copper pipe extends to the outside, and the outer surface of the refrigeration copper pipe is attached to the inner wall of the refrigeration equipment connecting pipe. A first assembling plate and a second assembling plate are fixedly connected to the outer surface of the refrigeration equipment connecting pipe and the outer surface of the refrigeration copper pipe correspondingly, through openings are symmetrically formed in the first assembling plate, and movable blocks are slidably connected into the through openings in the transverse direction. The improved precise copper pipe for the refrigeration equipment is reasonable in structural design and convenient to assemble, rapid connection between the copper pipe and a pipeline of the refrigeration equipment can be formed in a secondary connection fixing mode, the connection stability is good, and when liquid flows, even if the liquid is subjected to vibration force generated during liquid flowing and refrigeration equipment working, the copper pipe can be quickly connected with the pipeline of the refrigeration equipment. And the situation that the connecting position is loosened is avoided, and the good using effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper pipe technical field, concretely is a kind of improved precision copper pipe for refrigeration equipment. BACKGROUND

[0002] Refrigeration equipment is the device that refrigeration machine and the facility of using cold quantity are combined together, design and build refrigeration device, it is to effectively use cold quantity to refrigerate food or other articles;Product performance test and scientific research test are carried out at low temperature;Some cooling processes are realized in industrial production, or air conditioning is carried out, refrigeration copper pipe needs to be connected on refrigeration equipment, refrigeration copper pipe is through the output pressure compressed air, through vortex conversion, one end generates cold air, one end generates hot air.

[0003] According to the patent literature CN202223145480.X, a quick connection type high sealing refrigeration copper pipe is disclosed, which includes a copper pipe main pipe. One end of the copper pipe main pipe is provided with a quick connection pipe. The quick connection pipe and the first quick connection mechanism are arranged to be squeezed towards each other. When the clamping block contacts the squeezing block, the clamping block has not completely entered the sliding groove. Further squeezing the quick connection pipe and the first quick connection mechanism causes the squeezing block to squeeze the pressure rod to shrink until the clamping block completely enters the sliding groove. After rotating a certain angle, the clamping ring enters the clamping groove.

[0004] The patent connects the quick connection pipe and the outer fixing sleeve through clamping, achieving the installation of the refrigeration copper pipe. However, when liquid flows through the refrigeration copper pipe due to the refrigeration equipment, the clamping part is prone to loosening due to the influence of liquid flow and vibration during the operation of the refrigeration equipment, resulting in gaps and reducing the fixing effect of the refrigeration copper pipe. Therefore, an improved precision copper pipe for refrigeration equipment is proposed to solve the problems raised in the background technology. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an improved precision copper pipe for refrigeration equipment to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an improved precision copper pipe for refrigeration equipment, which includes a refrigeration equipment connecting pipe and a refrigeration copper pipe. The refrigeration copper pipe is arranged inside the refrigeration equipment connecting pipe and extends to the outside at one end. The outer surface of the refrigeration copper pipe is attached to the inner wall of the refrigeration equipment connecting pipe. The outer surfaces of the refrigeration equipment connecting pipe and the refrigeration copper pipe are respectively fixedly connected with a first assembly plate and a second assembly plate. Symmetrical through openings are formed in the first assembly plate. A movable block is connected to the through openings in a horizontal direction. A locking frame for fixing the second assembly plate is fixed to the front surface of the movable block. A locking member for further fixing the second assembly plate is installed on the front surface of the locking frame.

[0007] Further, the circular cavity inside the movable block is fixedly connected with a circular rotating plate, the center of one side of the circular rotating plate is fixedly connected with a screw rod, one end of the screw rod extends to the outside of the first assembly plate through the movable block and the through hole in sequence, and the screw rod is in threaded connection with the first assembly plate.

[0008] Further, the upper side of the through hole of the first assembly plate is provided with a guide hole, a guide rod is fixedly installed in the guide hole, the guide rod is in axial sliding connection with a guide sliding frame, and one end of the guide sliding frame is fixedly connected with the top of the locking frame.

[0009] Further, the locking part comprises a shell, the shell is fixedly connected to the front surface of the locking frame, the inside of the shell is movably connected with a positioning socket, and the front surface of the first assembly plate is provided with a locking hole matched with the positioning socket.

[0010] Further, one side of the positioning socket is fixedly connected with a pull rod, and one end of the pull rod is fixedly connected with a pull handle outside the shell.

[0011] Further, the surface of the pull rod is provided with a thrust spring, and the two ends of the thrust spring are fixedly connected with the inner wall of the shell and the surface of the positioning socket.

[0012] Further, the surface of the refrigeration copper pipe in the refrigeration equipment connecting pipe is provided with a sealing groove, and the sealing groove is provided with a sealing ring.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The refrigeration copper pipe with the sealing groove is inserted into the refrigeration equipment connecting pipe, so that the first assembly plate and the second assembly plate are mutually adhered, the preliminary connection of two pipelines is formed, the screw rod is rotated, the pull handle is pulled outward at the same time of rotation, the screw rod is in threaded connection with the first assembly plate, the circular rotating plate can be rotated and moved inward, the movable block and the locking frame can be translated inward through the limiting of the guide rod and the guide sliding frame, the locking frame is clamped from the outside of the second assembly plate, the preliminary fixing of the second assembly plate and the refrigeration copper pipe is realized, the pull handle is loosened when the movable block moves to the deepest position, the positioning socket is pushed back by the thrust spring and inserted into the locking hole on the second assembly plate, and the secondary fixing is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic view of the utility model;

[0016] Figure 2 is a side view structural schematic view of the first assembling plate of the utility model;

[0017] Figure 3 is a front view structural sectional view of the movable block and the locking frame of the utility model;

[0018] Figure 4 is a structural sectional view of the locking frame and the locking member of the utility model;

[0019] Figure 5 is a three-dimensional structural schematic view of the refrigeration copper pipe and the second assembling plate of the utility model.

[0020] In the drawing: 1 is a refrigeration equipment connecting pipe, 2 is a refrigeration copper pipe, 3 is a first assembling plate, 4 is a second assembling plate, 5 is a through opening, 6 is a movable block, 7 is a locking frame, 8 is a locking member, 81 is a shell cover, 82 is a positioning socket, 83 is a pulling rod, 84 is a thrust spring, 9 is a circular rotating plate, 10 is a screw rod, 11 is a guide opening, 12 is a guide rod, 13 is a guide sliding frame, 14 is a locking hole, 15 is a sealing groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-5The utility model provides an improved precision copper pipe for refrigeration equipment, which comprises a refrigeration equipment connecting pipe 1 and a refrigeration copper pipe 2, the refrigeration copper pipe 2 is arranged inside the refrigeration equipment connecting pipe 1 and extends to the outside at one end, the outer surface of the refrigeration copper pipe 2 is attached to the inner wall of the refrigeration equipment connecting pipe 1, the outer surfaces of the refrigeration equipment connecting pipe 1 and the refrigeration copper pipe 2 are fixedly connected with a first assembly plate 3 and a second assembly plate 4 respectively, the first assembly plate 3 and the second assembly plate 4 are both made of metal plate and adopt rectangular structure, the area of the first assembly plate 3 is larger than that of the second assembly plate 4, a through opening 5 is symmetrically arranged on the first assembly plate 3, a movable block 6 is slidably connected in the through opening 5 in the transverse direction, a locking frame 7 for fixing the second assembly plate 4 is fixedly connected to the front surface of the movable block 6, the front side of the second assembly plate 4 can be pressed after the locking frame 7 is slid in the transverse direction, a locking member 8 for further fixing the second assembly plate 4 is installed on the front surface of the locking frame 7, the second assembly plate 4 is fixed again by the locking member 8 after being pressed by the locking frame 7, thereby further improving the connection stability of the first assembly plate 3 and the second assembly plate 4, i.e., the stability of the connection between the refrigeration equipment connecting pipe 1 and the refrigeration copper pipe 2.

[0023] A circular rotating plate 9 is fixedly connected in the circular cavity in the movable block 6, a screw rod 10 is fixedly connected to the center position on one side of the circular rotating plate 9, one end of the screw rod 10 penetrates the movable block 6 and the through opening 5 in sequence and extends to the outside of the first assembly plate 3, the screw rod 10 is threadedly connected with the first assembly plate 3, a guide opening 11 is formed in the upper portion of the first assembly plate 3 corresponding to the through opening 5, a guide rod 12 is fixedly installed in the guide opening 11, a guide sliding frame 13 is slidably connected to the guide rod 12 in the axial direction, and one end of the guide sliding frame 13 is fixedly connected to the top of the locking frame 7.

[0024] The locking member 8 comprises a shell sleeve 81, the shell sleeve 81 is fixedly connected to the front surface of the locking frame 7, a positioning socket 82 is movably connected in the inside of the shell sleeve 81, a locking hole 14 is formed in the front surface of the first assembly plate 3 and matched with the positioning socket 82, a pulling rod 83 is fixedly connected to one side of the positioning socket 82, one end of the pulling rod 83 penetrates to the outside of the shell sleeve 81 and is fixedly connected with a pull handle, a thrust spring 84 is sleeved on the surface of the pulling rod 83, and both ends of the thrust spring 84 are fixedly connected with the inner wall of the shell sleeve 81 and the surface of the positioning socket 82 respectively.

[0025] A sealing groove 15 is formed in the surface of the refrigeration copper pipe 2 inside the refrigeration equipment connecting pipe 1, and a sealing ring is installed in the sealing groove 15, so that the flowing liquid can be prevented from seeping out from the gap between the refrigeration equipment connecting pipe 1 and the refrigeration copper pipe 2.

[0026] The improved precision copper pipe for refrigeration equipment has reasonable structure design, is convenient to assemble, can form quick connection of the copper pipe and the pipeline of the refrigeration equipment by adopting secondary connection fixing mode, has good connection stability, and cannot cause loosening of the connection position when liquid flows and vibration force generated by operation of the refrigeration equipment is received, and has good use effect.

[0027] In use, the refrigeration copper pipe 2 with the sealing groove 15 at one end is inserted into the inside of the refrigeration equipment connecting pipe 1, the first assembling plate 3 and the second assembling plate 4 are mutually adhered to form preliminary connection of the two pipelines, the screw rod 10 is rotated, the pull handle is pulled outwardly while rotating, the screw rod 10 is rotated and connected with the first assembling plate 3 by the thread connection, the circular rotating plate 9 is moved inwardly, the movable block 6 and the locking frame 7 are moved inwardly by the limiting of the guide rod 12 and the guide sliding bracket 13, the locking frame 7 is clamped from the outside of the second assembling plate 4, preliminary fixation of the second assembling plate 4 and the refrigeration copper pipe 2 is realized, the pull handle is released when the movable block 6 moves to the deepest position, the push spring 84 pushes the positioning socket 82 back to the locking hole 14 on the second assembling plate 4, and secondary fixation is realized.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An improved precision copper tube for a refrigeration apparatus, comprising a refrigeration apparatus connecting tube (1) and a refrigeration copper tube (2), characterized in that: The refrigeration copper pipe (2) is arranged inside the refrigeration equipment connecting pipe (1) and extends to the outside at one end, the outer surface of the refrigeration copper pipe (2) is attached to the inner wall of the refrigeration equipment connecting pipe (1), the outer surfaces of the refrigeration equipment connecting pipe (1) and the refrigeration copper pipe (2) are fixedly connected with the first assembly plate (3) and the second assembly plate (4) respectively, the first assembly plate (3) is symmetrically provided with a through hole (5) above, the through hole (5) is slidably connected with a movable block (6) in the transverse direction, the movable block (6) is fixedly connected with a locking frame (7) on the front surface, the locking frame (7) is further provided with a locking piece (8) for further fixing the second assembly plate (4).

2. The improved precision copper tube for a refrigeration apparatus according to claim 1, characterized by: The circular cavity in the movable block (6) is fixedly connected with a circular rotating plate (9), the screw rod (10) is fixedly connected to the center position on one side of the circular rotating plate (9), one end of the screw rod (10) penetrates the movable block (6) and the through hole (5) in sequence and extends to the outside of the first assembly plate (3), and the screw rod (10) is threadedly connected with the first assembly plate (3).

3. The improved precision copper tube for a refrigeration apparatus according to claim 2, characterized in that: The first assembly plate (3) is provided with a guide hole (11) above the through hole (5), the guide hole (11) is fixedly provided with a guide rod (12), the guide rod (12) is slidably connected with a guide sliding frame (13) in the axial direction, and one end of the guide sliding frame (13) is fixedly connected with the top of the locking frame (7).

4. The improved precision copper tube for a refrigeration apparatus according to claim 3, characterized in that: The locking piece (8) comprises a shell (81), the shell (81) is fixedly connected to the front surface of the locking frame (7), the inside of the shell (81) is movably connected with a positioning socket (82), and the front surface of the first assembly plate (3) is provided with a locking hole (14) matched with the positioning socket (82).

5. The improved precision copper tube for refrigeration plant as claimed in claim 4, wherein: One side of the positioning socket (82) is fixedly connected with a pulling rod (83), one end of the pulling rod (83) penetrates to the outside of the shell (81) and is fixedly connected with a pull handle.

6. The improved precision copper tube for a refrigeration apparatus according to claim 5, characterized in that: The surface of the pulling rod (83) is provided with a thrust spring (84), and the two ends of the thrust spring (84) are fixedly connected with the inner wall of the shell (81) and the surface of the positioning socket (82) respectively.

7. The improved precision copper tube for a refrigeration apparatus according to claim 6, characterized in that: The surface of the refrigeration copper pipe (2) arranged in the refrigeration equipment connecting pipe (1) is provided with a sealing groove (15), and the sealing groove (15) is provided with a sealing ring.

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