阅读说明：本技术 一种避震管 (Shock-proof tube ) 是由 侯竞 于 2019-12-27 设计创作，主要内容包括：一种避震管,属于避震管技术领域；包括不锈钢网套和波纹管,所述波纹管放置在不锈钢网套的内部,所述波纹管的外壁与不锈钢网套的内壁相互贴合,其特征在于：所述不锈钢网套的两端插接有紫铜管,所述不锈钢网套两侧与紫铜管连接处的表面套接有套管,所述套管和不锈钢网套之间通过黏胶相互连接。本发明专利通过在紫铜管小头部的表面开设有插接剖口,此时剖口的外壁与波纹管的内壁相互搭接,从而当波纹管内受到挤压弯曲时,此时其两端的光管部会插接进插接剖口与不锈钢网套之间的空隙中,从而减缓紫铜管受到的压力。(A shock-absorbing tube belongs to the technical field of shock-absorbing tubes; including stainless steel net cover and bellows, the inside at the stainless steel net cover is placed to the bellows, the outer wall of bellows and the inner wall of stainless steel net cover laminate its characterized in that each other: the two ends of the stainless steel mesh sleeve are inserted with the red copper tubes, the two sides of the stainless steel mesh sleeve are sleeved with the sleeve pipes on the surfaces of the joints of the red copper tubes, and the sleeve pipes are connected with the stainless steel mesh sleeve through viscose glue. According to the invention, the surface of the small head part of the copper tube is provided with the splicing groove, and the outer wall of the groove is in lap joint with the inner wall of the corrugated tube, so that when the corrugated tube is extruded and bent, the light tube parts at two ends of the corrugated tube can be spliced into a gap between the splicing groove and the stainless steel mesh sleeve, and the pressure on the copper tube is relieved.)

1. The utility model provides a shock tube, includes stainless steel net cover and bellows, the inside at the stainless steel net cover is placed to the bellows, the outer wall of bellows and the inner wall of stainless steel net cover laminate its characterized in that each other: the stainless steel net cover is characterized in that red copper tubes are inserted into two ends of the stainless steel net cover in an inserting mode, sleeves are sleeved on the surfaces of the two sides of the stainless steel net cover and the joints of the red copper tubes, the sleeves and the stainless steel net cover are welded with each other, springs are arranged on the inner wall of the corrugated pipe, and the springs are arranged in protrusions on the inner wall of the corrugated pipe.

2. The shock tube as set forth in claim 1, wherein: the copper tube comprises a large head part, a small head part and a turning part, wherein the turning part is positioned at the joint of the large head part and the small head part, the diameter of the outer circle of the large head part is equal to that of the outer circle of the stainless steel net sleeve, the small head part is inserted into the stainless steel net sleeve and is mutually overlapped with one end of the corrugated tube, and the surface of the turning part is mutually welded with the sleeve through flame welding to form a welding part.

3. A shock tube as set forth in claim 2, wherein: the surface of the small head is provided with an inserting groove, the inserting groove is in lap joint with one end of the corrugated pipe, and an included angle of 30 degrees is formed between the inserting groove and the stainless steel mesh sleeve.

4. The shock tube as set forth in claim 1, wherein: the corrugated pipe comprises a corrugated part and a light pipe part, the light pipe part is positioned at two ends of the corrugated part, and the outer surfaces of the light pipe part and the corrugated part are mutually lapped with the inner wall of the stainless steel net sleeve.

5. A method of producing a shock tube as defined in claim 1, 2, 3 or 4, wherein said method of producing includes the steps of:

the method comprises the following steps: cleaning parts, namely cleaning the corrugated pipe, the stainless steel net sleeve and the red copper pipe part by using cleaning equipment, so that the damage to hands caused by residual scraps on the surface of the corrugated pipe, the stainless steel net sleeve and the red copper pipe part is avoided, and meanwhile, the inner wall of the corrugated pipe is cleaned to keep the inner wall clean;

step two: assembling the stainless steel net sleeve and the sleeve, assembling the stainless steel net sleeve and the sleeve mutually, and pressing the stainless steel net sleeve and the sleeve together by pressing and tight fitting, thereby having a furling effect on two ends of the stainless steel net sleeve;

step three: assembling the corrugated pipe and the stainless steel net sleeve, placing the spring in the groove of the corrugated pipe, and pressing the outer part of the stainless steel net sleeve to ensure that the inner wall of the stainless steel net sleeve is tightly matched with the corrugated pipe, thereby drawing the corrugated pipe and the stainless steel net sleeve;

step four: cutting redundant mesh-knitted nets, wherein a large number of redundant raised lines are remained at two ends of a pipeline after pressing is completed, so that the redundant mesh-knitted nets need to be cut through a shearing device;

step five: the deburring sizing method comprises the following steps that (1) burrs are left at two ends after cutting, and the burrs are polished through polishing equipment;

step six: buckling and welding, namely fixing the copper tube and the pipe sleeve together by flame welding so as to weld the copper tube and the pipe sleeve;

step seven: leakage testing, namely, performing full detection on two ends of the assembled shock absorbing pipe under the pressure of a 2mp meter without leakage, and calculating that the detection is qualified if the shock absorbing pipe is not obviously deformed or damaged under the pressure of an 18mpa meter;

step eight: polishing and external inspection, and finally polishing the welding position.

Technical Field

The invention belongs to the technical field of shock-absorbing pipes, and particularly relates to a shock-absorbing pipe.

Background

The shock-absorbing pipe is mainly used between a compressor and a circulation pipeline in a freezer, a household or automobile air conditioner and a freeze dryer, the compressor can run at high frequency and ultrahigh frequency along with the improvement of the air conditioner frequency conversion technology, and the shock-absorbing pipe is used for absorbing the shock generated by the compressor, protecting the whole pipeline system and simultaneously playing a role in protecting the pipeline.

Because the shock tube need be buckled to it usually when using, its inside bellows can exert great pressure to the copper pipe that both sides are contradicted when buckling, and pressure can be exerted towards both sides always simultaneously, can cause the influence to the connection of copper pipe.

Disclosure of Invention

The invention mainly solves the technical problems in the prior art and provides a shock absorbing tube.

The technical problem of the patent of the invention is mainly solved by the following technical scheme: the utility model provides a shock tube, includes stainless steel net cover and bellows, the inside at the stainless steel net cover is placed to the bellows, the outer wall of bellows and the inner wall of stainless steel net cover laminate its characterized in that each other: the stainless steel net cover is characterized in that red copper tubes are inserted into two ends of the stainless steel net cover in an inserting mode, sleeves are sleeved on the surfaces of the two sides of the stainless steel net cover and the joints of the red copper tubes, the sleeves and the stainless steel net cover are welded with each other, springs are arranged on the inner wall of the corrugated pipe, and the springs are arranged in protrusions on the inner wall of the corrugated pipe.

Preferably, the copper tube comprises a large head part, a small head part and a turning part, the turning part is positioned at the joint of the large head part and the small head part, the diameter of the outer circle of the large head part is equal to that of the outer circle of the stainless steel net sleeve, the small head part is inserted into the stainless steel net sleeve and is mutually overlapped with one end of the corrugated tube, and the surface of the turning part and the sleeve are mutually welded together through flame welding to form a welding part.

Preferably, the surface of the small head is provided with an insertion groove, the insertion groove is in lap joint with one end of the corrugated pipe, and an included angle of 30 degrees is formed between the insertion groove and the stainless steel mesh sleeve.

Preferably, the corrugated pipe comprises a corrugated part and a light pipe part, the light pipe part is positioned at two ends of the corrugated part, and the outer surfaces of the light pipe part and the corrugated part are mutually overlapped with the inner wall of the stainless steel net sleeve.

Preferably, the production method comprises the steps of:

the method comprises the following steps: cleaning parts, namely cleaning the corrugated pipe, the stainless steel net sleeve and the red copper pipe part by using cleaning equipment, so that the damage to hands caused by residual scraps on the surface of the corrugated pipe, the stainless steel net sleeve and the red copper pipe part is avoided, and meanwhile, the inner wall of the corrugated pipe is cleaned to keep the inner wall clean;

step two: assembling the stainless steel net sleeve and the sleeve, assembling the stainless steel net sleeve and the sleeve mutually, and pressing the stainless steel net sleeve and the sleeve together by pressing and tight fitting, thereby having a furling effect on two ends of the stainless steel net sleeve;

step three: assembling the corrugated pipe and the stainless steel net sleeve, placing the spring in the groove of the corrugated pipe, and pressing the outer part of the stainless steel net sleeve to ensure that the inner wall of the stainless steel net sleeve is tightly matched with the corrugated pipe, thereby drawing the corrugated pipe and the stainless steel net sleeve;

step four: cutting redundant mesh-knitted nets, wherein a large number of redundant raised lines are remained at two ends of a pipeline after pressing is completed, so that the redundant mesh-knitted nets need to be cut through a shearing device;

step five: the deburring sizing method comprises the following steps that (1) burrs are left at two ends after cutting, and the burrs are polished through polishing equipment;

step six: buckling and welding, namely fixing the copper tube and the pipe sleeve together by flame welding so as to weld the copper tube and the pipe sleeve;

step seven: leakage testing, namely, performing full detection on two ends of the assembled shock absorbing pipe under the pressure of a 2mp meter without leakage, and calculating that the detection is qualified if the shock absorbing pipe is not obviously deformed or damaged under the pressure of an 18mpa meter;

step eight: polishing and external inspection, and finally polishing the welding position.

The invention has the following beneficial effects:

1. the surface of the small head of the copper tube is provided with an inserting opening, the outer wall of the opening is in lap joint with the inner wall of the corrugated tube, so that when the corrugated tube is extruded and bent, the light tube parts at the two ends can be inserted into a gap between the inserting opening and the stainless steel mesh sleeve, and the pressure of the copper tube is relieved.

2. The copper tube and the sleeve are welded through flame welding, so that the stable effect of connection between the copper tube and the sleeve is better, and the phenomenon of falling is avoided.

Drawings

FIG. 1 is a schematic view, partly in section, of the present invention;

FIG. 2 is a schematic cross-sectional view of the copper tube of the present invention;

FIG. 3 is a schematic view, partly in section, of a bushing of the invention;

FIG. 4 is a schematic view of one construction of the bellows of the present invention;

fig. 5 is a partially enlarged schematic view of a structure shown in fig. 1.

In the figure: 1. a stainless steel mesh sleeve; 2. a bellows; 21. a corrugated portion; 22. a light pipe section; 3. a red copper tube; 31. a large head; 32. a turning part; 33. a small head; 34. splicing and cutting; 4. a sleeve; 5. welding the part; 6. a spring.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.