阅读说明：本技术 一种压缩机回油口回油管对接工艺 (Butt joint process for oil return pipe of oil return port of compressor ) 是由 屠勇跃 于 2019-12-30 设计创作，主要内容包括：本发明涉及一种压缩机回油口回油管对接工艺,回油口为具有外螺纹的压缩机螺纹口,回油管通过纳子对接所述回油口,所述纳子的内圈的一侧具有与所述压缩机螺纹口适配的内螺纹,所述纳子内圈的另一侧设置有焊接倒角,回油管插设在所述纳子内圈的另一侧并且与所述纳子焊接固定。本发明能够实现标准化操作,纳子螺纹紧固效果更加,密封效果更好,而且便于拆卸维修。(The invention relates to a butt joint process of an oil return pipe of an oil return opening of a compressor, wherein the oil return opening is a compressor threaded opening with external threads, the oil return pipe is in butt joint with the oil return opening through a nano-tube, one side of an inner ring of the nano-tube is provided with internal threads matched with the compressor threaded opening, the other side of the inner ring of the nano-tube is provided with a welding chamfer, and the oil return pipe is inserted into the other side of the inner ring of the nano-tube and is welded and fixed with the nano-tube. The invention can realize standardized operation, has better tightening effect of the screw threads, better sealing effect and convenient disassembly and maintenance.)

1. The butt joint process of the oil return pipe of the oil return opening of the compressor is characterized in that one side of an inner ring of the containing device is provided with an internal thread matched with the thread opening of the compressor, the other side of the inner ring of the containing device is provided with a welding chamfer, and the oil return pipe is inserted into the other side of the inner ring of the containing device and is welded and fixed with the containing device.

2. The compressor oil return port and oil return pipe butt joint process according to claim 1, wherein a boss serving as a copper pipe clamping groove is arranged in the middle of the inner ring of the nano-tube.

3. The compressor oil return opening and oil return pipe butt joint process according to claim 1 or 2, wherein the opening aperture of the other side of the welding chamfer is larger than the standard copper pipe of the oil return pipe with the butted oil return opening.

4. The compressor oil return port and oil return pipe butt joint process according to claim 3, wherein when the oil return port and the oil return pipe need to be repaired, the oil return pipe is sawn off, and a copper pipe with a mark smaller than that of the current oil return pipe is welded and fixed with the current oil return pipe, so that butt joint of the oil return port and a new oil return pipe is realized.

5. The compressor oil return opening and oil return pipe butt joint process according to claim 4, wherein a standard copper pipe corresponding to the oil return opening is a quarter pipe, and a copper pipe in butt joint with the nano tube and welded at a welding chamfer angle is a three-eighths pipe.

Technical Field

The invention relates to a butt joint process of an oil return pipe of an oil return opening of a compressor.

Background

When the oil return port of the compressor is butted with an external copper pipe, the current butt joint process is that a worker penetrates a standard copper pipe matched with the oil return port through a receiving device and expands the head of the copper pipe to form a horn mouth, then the receiving device and the oil return port are fixed by threads, and the copper pipe is locked on the oil return port, and the fixing mode has the following defects:

firstly, the sizes of the manufactured bell mouths are different due to different manual methods and proficiency degrees of workers, the sealing difference is large, standard operation cannot be guaranteed, and finally the problem of the operation of the compressor occurs;

secondly, the compressor can vibrate in the operation process to drive the screw to shake, the screw is not ideally sealed and fixed due to the existence of the bell mouth of the copper pipe, and the screw mouth of the screw is loosened to leak refrigerant after long-time operation;

thirdly, aiming at the defect that the long-term vibration causes the screw thread opening of the screw to loosen, glue is adopted for sealing the screw thread at present, but the glue also causes more trouble when the screw needs to be disassembled for maintenance.

Disclosure of Invention

The invention aims to provide a compressor oil return opening oil return pipe butt joint process which can realize standardized operation, has a better tightening effect of nano threads, has a better sealing effect and is convenient to disassemble and maintain.

In order to achieve the purpose, the invention adopts the technical scheme that:

the invention provides a butt joint process of an oil return pipe of an oil return opening of a compressor, wherein the oil return opening is a compressor threaded opening with external threads, the oil return pipe is in butt joint with the oil return opening through a nano-tube, one side of an inner ring of the nano-tube is provided with internal threads matched with the compressor threaded opening, the other side of the inner ring of the nano-tube is provided with a welding chamfer, and the oil return pipe is inserted into the other side of the inner ring of the nano-tube and is welded and fixed with the nano-tube.

With respect to the above technical solutions, the applicant has further optimized embodiments.

Furthermore, a boss serving as a copper pipe clamping groove is arranged in the middle of the inner ring of the nano-tube.

Furthermore, the aperture of the opening at the other side of the nut, which is arranged on the welding chamfer, is larger than the standard copper pipe label of the oil return pipe with the butt joint of the oil return port.

Furthermore, when the oil return port and the oil return pipe need to be repaired, the oil return pipe is sawn off, and a copper pipe with a mark smaller than that of the current oil return pipe is welded and fixed with the current oil return pipe, so that the oil return port is butted with a new oil return pipe.

Furthermore, the standard copper pipe corresponding to the oil return port is a quarter pipe, and the copper pipe which is in butt joint with the nanohorn and welded at the welding chamfer is a three-eighths pipe.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

the butt joint process for the oil return pipe of the oil return port of the compressor changes the structure of the sodium, workers do not need to self-manufacture the bell mouth of the copper pipe during assembly, standardized operation construction is realized, the installation effect can be ensured, the sealing of the screw mouth of the sodium is changed into direct welding sealing between the sodium and the oil return pipe, the sealing effect is better undoubtedly, the screw thread fixing between the sodium and the oil return port is more stable without the influence of the bell mouth in the sodium, and the looseness caused by vibration can be avoided.

Furthermore, when the maintenance oil return port or the oil return pipe needs to be disassembled, the holding can be conveniently disassembled due to no glue, in addition, the current copper pipe can be directly cut off, a new copper pipe is correspondingly welded, and due to the fact that the pipe diameter difference exists between the two copper pipes, welding and fixing are convenient to conduct, and quick disassembling and maintenance are achieved.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic diagram of a compressor oil return port and oil return pipe interface according to one embodiment of the present invention;

fig. 2 is a schematic diagram of a connection relationship between an oil return port and a nano-tube according to an embodiment of the invention.

Wherein the reference numerals are as follows:

1. oil return port, 2, oil return pipe, 3, nano, 31, welding chamfer, 32 and boss.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The embodiment describes a compressor oil return opening and oil return pipe butt joint process, as shown in fig. 1 and fig. 2, an oil return opening 1 is a compressor threaded opening with an external thread, an oil return pipe 2 is in butt joint with the oil return opening 1 through a receiving member 3, one side of an inner ring of the receiving member 3 is provided with an internal thread matched with the compressor threaded opening, the other side of the inner ring of the receiving member 3 is provided with a welding chamfer 31, and the oil return pipe 2 is inserted into the other side of the inner ring of the receiving member 3 and is welded and fixed with the receiving member 3.

The middle part of the inner ring of the nano-tube 3 is provided with a boss 32 as a copper tube clamping groove, and the copper tube can be quickly positioned after being inserted, so that the subsequent welding is convenient.

This embodiment has changed the structure of receiving son 3, need not the workman and self-made copper pipe horn mouth when the assembly, standardized operation construction has been realized, can guarantee the installation effect, receive 3 screw thread mouths of son sealed change for receiving son 3 and return oil pipe 2 between direct welded seal, sealed effect is better undoubtedly, and do not have the influence of horn mouth in receiving son 3, just also can guarantee just that the thread tightening between son 3 and the oil return mouth 1 is more firm, can not become flexible because of the vibration.

In a further embodiment, the opening aperture of the other side of the nano tube 3, which is provided with the welding chamfer 31, is larger than the standard copper tube of the oil return tube 2 with the butt joint of the oil return port 1. In this embodiment, the standard copper tube corresponding to the oil return port 1 is a quarter tube, and the copper tube butted and welded to the nano-tube 3 at the welding chamfer 31 is a three-eighths tube. When the oil return port 1 and the oil return pipe 2 need to be repaired, the oil return pipe 2 is sawn off, and a copper pipe with a mark smaller than that of the current oil return pipe 2 is welded and fixed with the current oil return pipe 2, so that the oil return port 1 is butted with the new oil return pipe 2.

When needs dismantle maintenance oil return opening 1 or time oil pipe 2, because do not have glue and therefore can conveniently pull down son 3 of receiving, in addition, still can directly cut current copper pipe, correspond the new copper pipe in the welding, because it is poor to have the pipe diameter between two copper pipes, be convenient for weld fixation, realize dismantling the maintenance fast.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.