CN210510569U

CN210510569U - Forming vacuum corrugated pipe

Info

Publication number: CN210510569U
Application number: CN201921370232.0U
Authority: CN
Inventors: 纪华荣
Original assignee: Kunshan Jan Yu Corp Ltd
Current assignee: Kunshan Jan Yu Corp Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-05-12
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a shaping vacuum bellows, including shaping body, vacuum flange and vacuum bellows, the inside central point of shaping body puts the department and is provided with vacuum bellows, and vacuum bellows all overlaps at both ends and be equipped with vacuum flange about, the inside central point of vacuum flange puts the department and has all seted up logical groove, and vacuum bellows about both ends all with the logical inslot lateral wall in close contact with that corresponds, the constant head tank has all been seted up to one side that vacuum flange is close to vacuum bellows, and has all seted up heavy groove on vacuum flange's the lateral wall. This shaping vacuum bellows, the inside solder joint location and the outside installation location of not only being convenient for have improved shaping vacuum bellows's assembly efficiency, have improved holistic pliability and leakproofness moreover, reach vibration/noise reduction and maintain clear function, have improved shaping vacuum bellows's practical function.

Description

Forming vacuum corrugated pipe

Technical Field

The utility model relates to a bellows technical field specifically is a shaping vacuum bellows.

Background

In vacuum and medical delivery pipelines, a vacuum bellows is generally used as a fluid delivery channel, and the impact between the fluid and the pipeline is reduced through the elastic buffer characteristic of the bellows, so that the performance state of the fluid is prevented from being influenced. Traditional bellows can satisfy the demand when installing the pipeline at conventional pressure, nevertheless installs when vacuum or medicine pipeline and equipment, can't satisfy holistic requirement, and the bellows requires very soft to satisfy the shock attenuation of pipeline, noise reduction, the cleanliness factor that requires the bellows simultaneously is very high, but nevertheless current vacuum bellows still has certain problem, and concrete problem has following several:

1. the traditional vacuum corrugated pipe is cut to a fixed length after being subjected to wave-bulging forming, and finally is assembled and welded with various joints, so that the manufacturing process is low in efficiency and inconvenient to install at a later stage;

2. traditional vacuum bellows adopts thick raw materials preparation, and the pliability is difficult to satisfy the transport requirement of special environment such as vacuum, simultaneously, because the tie point is more, sealing performance is often relatively poor, receives external erosion more easily and leads to revealing, and practical function is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a shaping vacuum bellows possesses advantages such as assembly efficiency is high, practical function is good, has solved and has made and the relatively poor problem of lower, pliability and leakproofness of installation effectiveness.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shaping vacuum bellows, includes shaping body, vacuum flange and vacuum bellows, the inside central point of shaping body puts the department and is provided with vacuum bellows, and vacuum bellows all overlaps at both ends and be equipped with vacuum flange about, the inside central point of vacuum flange puts the department and has all seted up logical groove, and vacuum bellows about both ends all with the logical inslot lateral wall in close contact with that corresponds, the constant head tank has all been seted up to one side that vacuum flange is close to vacuum bellows, and has all seted up the heavy groove on vacuum flange's the lateral wall.

Preferably, the middle part of the vacuum corrugated pipe is of a corrugated structure with equal intervals, and the wall thickness, the wave height and the wave distance of the middle part and the two ends of the vacuum corrugated pipe are all uniformly arranged.

Preferably, the left end and the right end of the vacuum corrugated pipe are both in a cylindrical structure, and the left end and the right end of the vacuum corrugated pipe are fixedly connected with one end of the through groove through a TIG welding method.

Preferably, the positioning groove and the sinking groove are both in an annular structure, the cross section of the positioning groove is in a rectangular structure, and the cross section of the sinking groove is in a semicircular structure.

Preferably, the cross-section that leads to the groove all is the notch cuttype structure, and leads to the groove and keep away from one side of vacuum bellows and all equal angle and set up jaggedly to the breach all is V-arrangement structure.

(III) advantageous effects

Compared with the prior art, the utility model provides a shaping vacuum bellows possesses following beneficial effect:

1. this shaping vacuum bellows, through the logical groove of seting up the notch cuttype structure at vacuum flange's middle part, and lead to one side of groove and wait the angle and set up the breach of V-arrangement structure for the solder joint location, through seting up constant head tank, heavy groove of loop configuration on vacuum flange's lateral wall, and the constant head tank is rectangle, semi-circular respectively with the cross-section that sinks the groove, is used for external location, thereby has improved shaping vacuum bellows's assembly efficiency.

2. This shaping vacuum bellows, because vacuum bellows's middle part is equidistant ripple column structure, and the wall thickness at vacuum bellows middle part and both ends, wave height, wave distance all evenly set up, improve the pliability, because vacuum bellows's the left and right sides both ends are cylindric structure, and vacuum bellows's both ends all with the logical groove in close contact with that corresponds and through TIG welding method fixed connection, strengthen the leakproofness to shaping vacuum bellows's practical effect has been improved.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

In the figure: 1. forming a pipe body; 2. a vacuum connection flange; 3. a vacuum bellows; 4. positioning a groove; 5. sinking a groove; 6. a through groove; 7. and (4) a notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a shaping vacuum bellows, including shaping body 1, vacuum flange 2 and vacuum bellows 3, the inside central point of shaping body 1 puts the department and is provided with vacuum bellows 3, and vacuum bellows 3 all overlaps at both ends and be equipped with vacuum flange 2, the inside central point of vacuum flange 2 puts the department and has all seted up logical groove 6, and vacuum bellows 3 about both ends all with the logical 6 inside wall in close contact with of groove that correspond, constant head tank 4 has all been seted up to one side that vacuum flange 2 is close to vacuum bellows 3, and heavy groove 5 has all been seted up on vacuum flange 2's the lateral wall.

As shown in fig. 1, the middle of the vacuum corrugated tube 3 is in a corrugated structure with equal intervals, and the wall thickness, wave height and wave distance between the middle and the two ends of the vacuum corrugated tube 3 are all uniformly arranged, so that the flexibility is improved.

As shown in fig. 2, both left and right ends of the vacuum bellows 3 are cylindrical, and both left and right ends of the vacuum bellows 3 are fixedly connected to one end of the through groove 6 by a TIG welding method, so as to enhance the sealing property.

As shown in fig. 1, the positioning groove 4 and the sinking groove 5 are both ring-shaped structures, the cross section of the positioning groove 4 is both rectangular, and the cross section of the sinking groove 5 is both semicircular for external positioning.

As shown in fig. 2, the cross-section of the through groove 6 is a stepped structure, and the through groove 6 is provided with notches 7 at equal angles on the sides away from the vacuum bellows 3, and the notches 7 are all V-shaped structures for positioning welding points.

The working principle is as follows: when the vacuum corrugated pipe is used, according to the attached

drawings

1 and 2, the left end and the right end of the vacuum corrugated pipe 3 are respectively inserted into the through groove 6 of the step-shaped structure, the end parts of the vacuum corrugated pipe are flush with the notch 7 of the V-shaped structure, meanwhile, the left end and the right end of the vacuum corrugated pipe 3 are in cylindrical structures, the two ends of the vacuum corrugated pipe are in close contact with the corresponding through groove 6, and then the spot welding is carried out on the side wall of the through groove 6 between the vacuum corrugated pipe 3 and the notch 7 through the TIG welding method, so that the sealing performance of the connecting part is greatly enhanced;

according to the attached figure 1, when the vacuum corrugated pipe forming machine is used in the later period, as the positioning groove 4 and the sinking groove 5 which are of the annular structures are arranged on the outer side wall of the vacuum connecting flange 2 in advance, and the cross sections of the positioning groove 4 and the sinking groove 5 are respectively rectangular and semicircular, the positioning installation of the forming vacuum corrugated pipe and related equipment can be completed quickly, meanwhile, as the middle part of the vacuum corrugated pipe 3 is of the corrugated structure with equal intervals, and the wall thickness, the wave height and the wave distance of the middle part and two ends of the vacuum corrugated pipe 3 are all uniformly arranged, the flexibility of the vacuum corrugated pipe is obviously improved compared with that of similar products, the shock absorption and noise reduction requirements of pipelines are met, the cleanliness of the inside is very high, the influence of the external environment on the fluid state can be effectively reduced.

In conclusion, the forming vacuum corrugated pipe is convenient for the positioning of the inner welding spot and the mounting and the positioning of the outer part, improves the assembly efficiency of the forming vacuum corrugated pipe, improves the overall flexibility and the sealing performance, achieves the functions of damping and reducing noise and maintaining cleanness, and improves the practical effect of the forming vacuum corrugated pipe.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shaping vacuum bellows, includes shaping body (1), vacuum flange (2) and vacuum bellows (3), its characterized in that: the vacuum corrugated pipe forming machine is characterized in that a vacuum corrugated pipe (3) is arranged at the central position inside a forming pipe body (1), a vacuum connecting flange (2) is sleeved at each of the left end and the right end of the vacuum corrugated pipe (3), a through groove (6) is formed in the central position inside the vacuum connecting flange (2), the left end and the right end of the vacuum corrugated pipe (3) are in close contact with the inner side wall of the corresponding through groove (6), a positioning groove (4) is formed in one side, close to the vacuum corrugated pipe (3), of the vacuum connecting flange (2), and a sinking groove (5) is formed in the outer side wall of the vacuum connecting flange (2).

2. A shaped vacuum bellows as claimed in claim 1, wherein: the middle part of the vacuum corrugated pipe (3) is of a corrugated structure with equal intervals, and the wall thickness, the wave height and the wave distance of the middle part and the two ends of the vacuum corrugated pipe (3) are all uniformly arranged.

3. A shaped vacuum bellows as claimed in claim 1, wherein: the left end and the right end of the vacuum corrugated pipe (3) are both of cylindrical structures, and the left end and the right end of the vacuum corrugated pipe (3) are fixedly connected with one end of the through groove (6) through a TIG welding method.

4. A shaped vacuum bellows as claimed in claim 1, wherein: the positioning groove (4) and the sinking groove (5) are both in an annular structure, the cross section of the positioning groove (4) is in a rectangular structure, and the cross section of the sinking groove (5) is in a semicircular structure.

5. A shaped vacuum bellows as claimed in claim 1, wherein: the cross-section that leads to groove (6) all is the notch cuttype structure, and leads to groove (6) and keep away from one side of vacuum bellows (3) and all wait the angle and set up jaggedly (7) to breach (7) all are the V-arrangement structure.