CN214008465U - Corrugated pipe with buffering performance for vacuum furnace - Google Patents

Abstract

The utility model discloses a corrugated pipe with buffering performance for a vacuum furnace, which comprises a pipe body, wherein ring bodies are fixedly sleeved at both ends of the pipe body, an annular cavity is arranged at one side of each ring body, and a sealing mechanism is fixedly arranged inside each ring body; sealing mechanism includes the gasbag, ring body outside cover is equipped with the lid, the inside fixed clamping ring that is equipped with of lid, two spouts, two have been seted up to the inside lateral wall of annular cavity the inside cushion that all is equipped with of spout. The utility model has the advantages that: through pressing the lid to the ring body direction, the clamping ring gets into the annular chamber internal and extrude the gasbag, and that air was arranged in the gasbag is accomplished and is included the clamping ring, has filled the gap between clamping ring and the annular chamber from this, and in addition, during this, the cushion supports the stopper and presses into the spacing inslot, makes lid and ring body more firm, and simple structure arranges rationally, and installation effectiveness has been improved less to the installation step.

Description

Corrugated pipe with buffering performance for vacuum furnace

Technical Field

The utility model relates to a bellows specifically is a bellows that has shock-absorbing capacity that vacuum furnace used, belongs to bellows technical field.

Background

The corrugated pipe is a tubular elastic sensitive element which is formed by connecting foldable corrugated sheets along the folding and stretching direction. The corrugated pipe has wide application in instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force. The corrugated pipe has thin pipe wall and high sensitivity, and the measurement range is from tens of Pa to tens of MPa. Its open end is fixed, its sealed end is in free state, and its elasticity is increased by using auxiliary helical spring or reed. When working, the pipe is extended along the length direction under the action of internal pressure, so that the movable end generates displacement in a certain relation with the pressure. The movable end drives the pointer to directly indicate the pressure. Bellows are often combined with displacement sensors to form pressure sensors that output an electrical quantity, sometimes also acting as isolation elements. The response speed of the bellows is slower than that of the bourdon tube because of the large volume change required for the expansion of the bellows. The bellows is adapted to measure low pressure.

The existing vacuum furnace corrugated pipe needs to be installed firstly in normal use, the sealing performance is always the point needing attention in the installation process, in order to improve the sealing performance, the installation structure is quite complex in design, then the situation of multiple steps is caused in application, and the installation efficiency is seriously reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide a bellows with a buffering function for a vacuum furnace to solve the above problems in the prior art.

The utility model discloses a bellows with buffer performance for vacuum furnace, which comprises a tube body, wherein two ends of the tube body are fixedly sleeved with a ring body, one side of the ring body is provided with an annular cavity, a sealing mechanism is fixedly arranged in the ring body, and the sealing mechanism passes through the ring body and extends to the outer side of the ring body;

sealing mechanism includes the gasbag, the gasbag is fixed to be established inside annular cavity, ring body outside cover is equipped with the lid, the inside fixed clamping ring that is equipped with of lid, clamping ring and annular cavity looks adaptation, two spouts, two have been seted up to the inside lateral wall of annular cavity the inside cushion that all is equipped with of spout, the fixed stopper that is equipped with in cushion inner, cushion outer wall and stopper outer wall all contact with the spout inner wall, two spacing grooves have been seted up in the clamping ring outside, two the spacing groove is established respectively at two spout inboards, spacing groove and stopper looks adaptations.

Preferably, the fixed strengthening rib that is equipped with in body inside, the inside cylinder that is equipped with of strengthening rib, the fixed a plurality of connecting rods that are equipped with between cylinder and the strengthening rib.

Preferably, the cover body has a length smaller than that of the ring body, and the cover body and the ring body are both made of a metal material.

Preferably, an air pipe is fixedly arranged at the output end of the air bag, one end of the air pipe penetrates through the ring body and extends to one side of the ring body, and the air pipe is fixedly connected with the ring body.

Preferably, the air pipe is provided with a switch valve, and the switch valve is arranged on the other side of the ring body and positioned at the top of the pipe body.

Preferably, an opening is formed in one side of the cover body, the pressing ring is sleeved on the outer side of the opening, and the opening is communicated with the inside of the pipe body.

Preferably, the inner side of the pressing ring is processed into an arc shape, and the radius of the pressing ring is equal to that of the annular cavity.

The utility model has the advantages that:

1. through pressing the lid to the ring body direction, the clamping ring gets into the annular chamber internal and extrude the gasbag, and that air was arranged in the gasbag is accomplished and is included the clamping ring, has filled the gap between clamping ring and the annular chamber from this, and in addition, during this, the cushion supports the stopper and presses into the spacing inslot, makes lid and ring body more firm, and simple structure arranges rationally, and installation effectiveness has been improved less to the installation step.

2. Through opening the on-off valve, then pack the air from the trachea to the gasbag, along with the gasbag air is more and more, gasbag self inflation then extrudees the clamping ring to the outside, and the clamping ring drives lid and ring body separation, and it is convenient to dismantle, has alleviateed workman's intensity of labour.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

fig. 3 is a left side view of the reinforcing rib of the present invention;

FIG. 4 is an enlarged view of the part A structure of FIG. 2 according to the present invention;

fig. 5 is an enlarged view of the portion B of fig. 2 according to the present invention.

In the figure: 1. a pipe body; 2. a ring body; 3. an annular cavity; 4. an air bag; 5. an air tube; 6. an on-off valve; 7. a cover body; 8. pressing a ring; 9. an opening; 10. a chute; 11. an elastic pad; 12. a limiting block; 13. a limiting groove; 14. reinforcing ribs; 15. a cylinder; 16. a connecting rod.

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. 1-5, a corrugated pipe with buffering performance for a vacuum furnace includes a pipe body 1, wherein two ends of the pipe body 1 are fixedly sleeved with a ring body 2, one side of the ring body 2 is provided with an annular cavity 3, a sealing mechanism is fixedly arranged inside the ring body 2, and the sealing mechanism penetrates through the ring body 2 and extends to the outer side of the ring body 2;

sealing mechanism includes gasbag 4, gasbag 4 is fixed to be established inside annular cavity 3, 2 outside covers of ring body are equipped with lid 7, the inside fixed clamping ring 8 that is equipped with of lid 7, clamping ring 8 and 3 looks adaptations of annular cavity, two spouts 10, two have been seted up to 3 inside lateral walls of annular cavity spout 10 inside all is equipped with cushion 11, 11 the inner fixed stopper 12 that is equipped with of cushion, 11 outer walls of cushion and stopper 12 outer walls all contact with 10 inner walls of spout, two spacing grooves 13, two have been seted up in the 8 outsides of clamping ring spacing groove 13 establish respectively in 10 inboards of two spouts, spacing groove 13 and stopper 12 looks adaptations.

As a technical optimization scheme of the utility model, 1 inside fixed strengthening rib 14 that is equipped with of body, the inside cylinder 15 that is equipped with of strengthening rib 14, the fixed a plurality of connecting rods 16 that are equipped with between cylinder 15 and the strengthening rib 14, cylinder 15, connecting rod 16 and strengthening rib 14 mutually support and can prop up it with 1 one end of body from its inside, make body 1 fixed by ring body 2 more easily.

As a technical optimization scheme of the utility model, the length of lid 7 is less than the length of ring body 2, lid 7 and ring body 2 are made by metal material, and lid 7 and ring body 2 that metal material made, hardness is high, and the deformation rate is low, has prolonged the life of the two.

As a technical optimization scheme of the utility model, 4 output ends of gasbag are fixed and are equipped with trachea 5, 5 one ends of trachea are passed ring body 2 and are extended to ring body 2 one side, trachea 5 and 2 fixed connection of ring body set up trachea 5 and are convenient for 4 exhaust of gasbag and admit air.

As a technical optimization scheme of the utility model, be equipped with ooff valve 6 on trachea 5, ooff valve 6 establishes at ring body 2 opposite side and is located body 1 top, sets up ooff valve 6 and is favorable to opening and close of user control trachea 5.

As a technical optimization scheme of the utility model, opening 9 has been seted up to lid 7 one side, 8 covers of clamping ring are established in the opening 9 outside, opening 9 and the inside intercommunication of body 1 set up opening 9 and can make things convenient for the medium in the body 1 to freely circulate.

As a technical optimization scheme of the utility model, 8 inboard processing of clamping ring are the arc, the radius of clamping ring 8 equals with annular cavity 3's radius.

When the utility model is used, under the initial state, the reinforcing rib 14 is fixedly arranged inside the port of the pipe body 1, the ring body 2 is sleeved outside the port of the pipe body 1, when the pipe body is installed, the cover body 7 is firstly moved towards the direction of the ring body 2, the pressing ring 8 enters the annular cavity 3 and extrudes the air bag 4, the air bag 4 exhausts the air inside the air bag 4 from the air pipe 5 after being stressed, meanwhile, the air bag 4 wraps the pressing ring 8 while shrinking, thereby compensating the gap between the pressing ring 8 and the annular cavity 3, improving the sealing performance between the cover body 7 and the ring body 2, the elastic cushion 11 extrudes the limiting block 12 in real time, the limiting block 12 suddenly extends into the limiting groove 13 after the limiting groove 13 on the pressing ring 8 passes through the limiting block 12, the limiting block 12 and the limiting groove 13 are mutually matched to prevent the cover body 7 from loosening, when the pipe body is disassembled, only the switch valve 6 needs to be opened, then fill up the air in 4 gasbags through trachea 5, can separate lid 7 and ring body 2, simple structure arranges rationally, and the installation effectiveness has been improved to the installation step is few.

To technical personnel in the field, press lid 7 to ring body 2 direction, the clamping ring 8 gets into in the annular cavity 3 and extrudees gasbag 4, the air is arranged in the gasbag 4 the moment, gasbag 4 accomplishes including clamping ring 8, has filled the gap between clamping ring 8 and the annular cavity 3 from this, in addition, during this period, cushion 11 supports stopper 12 and presses into spacing groove 13 in, makes lid 7 and ring body 2 more firm, simple structure, it is reasonable to arrange, the installation effectiveness has been improved to the installation step is few.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a bellows that has shock-absorbing capacity that vacuum furnace used, includes body (1), its characterized in that: the two ends of the pipe body (1) are fixedly sleeved with ring bodies (2), an annular cavity (3) is formed in one side of each ring body (2), a sealing mechanism is fixedly arranged in each ring body (2), and the sealing mechanism penetrates through each ring body (2) and extends to the outer side of each ring body (2);

sealing mechanism includes gasbag (4), gasbag (4) are fixed to be established inside annular cavity (3), ring body (2) outside cover is equipped with lid (7), lid (7) inside fixed clamping ring (8) that is equipped with, clamping ring (8) and annular cavity (3) looks adaptation, two spout (10), two have been seted up to the inside lateral wall of annular cavity (3) spout (10) inside all is equipped with cushion (11), cushion (11) the inner is fixed and is equipped with stopper (12), cushion (11) outer wall and stopper (12) outer wall all contact with spout (10) inner wall, two spacing groove (13) have been seted up in the clamping ring (8) outside, two spacing groove (13) are established respectively in two spout (10) inboards, spacing groove (13) and stopper (12) looks adaptation.

2. The bellows having a buffer property for a vacuum furnace according to claim 1, wherein: the pipe body (1) is internally and fixedly provided with a reinforcing rib (14), a cylinder (15) is arranged inside the reinforcing rib (14), and a plurality of connecting rods (16) are fixedly arranged between the cylinder (15) and the reinforcing rib (14).

3. The bellows having a buffer property for a vacuum furnace according to claim 1, wherein: the length of the cover body (7) is smaller than that of the ring body (2), and the cover body (7) and the ring body (2) are both made of metal materials.

4. The bellows having a buffer property for a vacuum furnace according to claim 1, wherein: the air bag is characterized in that an air pipe (5) is fixedly arranged at the output end of the air bag (4), one end of the air pipe (5) penetrates through the ring body (2) and extends to one side of the ring body (2), and the air pipe (5) is fixedly connected with the ring body (2).

5. The bellows having a buffer property for a vacuum furnace according to claim 4, wherein: and the air pipe (5) is provided with a switch valve (6), and the switch valve (6) is arranged on the other side of the ring body (2) and is positioned at the top of the pipe body (1).

6. The bellows having a buffer property for a vacuum furnace according to claim 1, wherein: opening (9) have been seted up to lid (7) one side, clamping ring (8) cover is established in the opening (9) outside, opening (9) and body (1) inside intercommunication.

7. The bellows having a buffer property for a vacuum furnace according to claim 1, wherein: the inner side of the pressing ring (8) is processed into an arc shape, and the radius of the pressing ring (8) is equal to that of the annular cavity (3).

Images