CN217111273U

CN217111273U - Double-walled bellows convenient to it is fixed

Info

Publication number: CN217111273U
Application number: CN202220797686.1U
Authority: CN
Inventors: 翟冬月
Original assignee: Harbin Tianyu Weiye Plastic Co ltd
Current assignee: Harbin Tianyu Weiye Plastic Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-02
Anticipated expiration: 2032-04-08

Abstract

The utility model relates to the technical field of corrugated pipes, and discloses a double-wall corrugated pipe convenient to fix, which comprises a corrugated pipe body, the upper end and the lower end of the corrugated pipe body are both fixedly provided with connecting pipes, one ends of the two groups of connecting pipes far away from the corrugated pipe body are both fixedly provided with hard screwed pipes, wherein the inner wall of one group of hard threaded pipes is fixedly provided with a first rubber pipe, the inner wall of the other group of hard threaded pipes is fixedly provided with a second rubber pipe, the heights of the hard threaded pipes and the second rubber pipes are both larger than the height of the hard threaded pipes, when the two groups of corrugated pipe bodies are butted together, the two groups of hard threaded pipes are butted, the first rubber pipe is inserted into the second rubber pipe, the second rubber pipe is positioned in the gap between the first rubber pipe and the hard threaded pipes, two groups of hard threaded pipes are fastened together by using the flange, so that the two groups of corrugated pipes are conveniently butted.

Description

Double-wall corrugated pipe convenient to fix

Technical Field

The utility model relates to a bellows technical field specifically is a double-walled bellows convenient to it is fixed.

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, the measurement range is dozens of Pa to dozens of MPa, and the double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall.

The traditional corrugated pipe body is short, so that two groups of corrugated pipes are required to be combined together when the corrugated pipe is used, however, the two ends of the common corrugated pipe are made of soft materials, the two groups of corrugated pipes are difficult to realize butt joint, the butt-jointed corrugated pipe is easy to bend, the length of the butt-jointed corrugated pipe is limited and fixed, the stability after installation is influenced, and the use effect is poor; thus, the existing need is not met, for which a double-walled corrugated pipe is proposed that is easy to fix.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double-walled bellows convenient to it is fixed possesses the butt joint of being convenient for realize two sets of bellows, and the beneficial effect of the fixed bellows length of being convenient for has solved the material at the both ends of the general bellows that mention among the above-mentioned background art softer, and the butt joint of difficult realization two sets of bellows, and the problem of buckling takes place easily for the bellows pipeline after the butt joint.

The utility model provides a following technical scheme: the utility model provides a double-walled bellows convenient to it is fixed, includes the bellows body, the equal fixed mounting in upper and lower both ends of bellows body has the connecting pipe, and the equal fixed mounting in one end that the bellows body was kept away from to two sets of connecting pipes has the stereoplasm screwed pipe, and fixed mounting has first rubber tube on the inner wall of one of them group of stereoplasm screwed pipe, and fixed mounting has the second rubber tube on the inner wall of another group of stereoplasm screwed pipe, and the height of stereoplasm screwed pipe and second rubber tube all is greater than the height of stereoplasm screwed pipe.

As an alternative to the double-walled bellows convenient to fix of the present invention, wherein: the diameter of the first rubber tube is smaller than that of the second rubber tube.

As an alternative to the double-walled bellows convenient to fix of the present invention, wherein: and one end of the hard threaded pipe is provided with a connecting sleeve, and one end of the connecting sleeve is fixedly provided with a conical sleeve.

As an alternative to the double-walled bellows convenient to fix of the present invention, wherein: and a second threaded opening is formed in the inner wall of the connecting sleeve and is in threaded connection with the hard threaded pipe.

As an alternative to the double-walled bellows convenient to fix of the present invention, wherein: and one end of the connecting sleeve, which is far away from the conical sleeve, is provided with a supporting column which is connected with the corrugated pipe body in an inserting manner.

As an alternative to the double-walled bellows convenient to fix of the present invention, wherein: four groups of fixed rods are arranged on the inner wall of the connecting sleeve, a built-in sleeve is jointly installed among the four groups of fixed rods, and the lower end of the built-in sleeve is detachably connected with the supporting column.

As an alternative to the double-walled bellows convenient to fix of the present invention, wherein: and a third threaded port communicated with the built-in sleeve is formed in the conical sleeve, and the third threaded port is connected with the supporting column in an inserting mode.

As an alternative to the double-walled bellows convenient to fix of the present invention, wherein: the lower extreme fixed mounting of support column has the screw thread post, screw thread post and third screw thread mouth threaded connection.

The utility model discloses possess following beneficial effect:

1. this double-walled bellows convenient to it is fixed, when with two sets of bellows bodies butt joint together, two sets of stereoplasm screwed pipe butt joints, first rubber tube inserts in the second rubber tube, the second rubber tube is arranged in the space of first rubber tube and stereoplasm screwed pipe, utilize the flange to fasten two sets of stereoplasm screwed pipes together, be convenient for dock two sets of bellows, the butt joint back, the leakproofness of bellows body can be ensured to the cooperation connection of first rubber tube and second rubber tube, subsequent use of being convenient for.

2. This double-walled bellows convenient to it is fixed, connecting tube and stereoplasm screwed pipe link together the back, and the support column can be inserted in the bellows body, can fix the shape of bellows body, avoids it to produce deformation, when the shape of bellows body needs to be changed, can dismantle built-in sleeve and support column, and the bellows body of being convenient for deposits alone, and the bellows body of being convenient for changes the form, excellent in use effect.

3. This double-walled bellows convenient to it is fixed, adapter sleeve and bellows body installation one side are whole after, with its butt joint together, the taper sleeve pipe of the adapter sleeve pipe upper end of second group inserts in the second rubber tube of first group bellows body, the second rubber tube takes place deformation, and laminate mutually with the taper sleeve pipe of second group, wherein the support column of first group can insert in the taper sleeve pipe's of second group third screw thread mouth, be convenient for ensure that multiunit bellows body can install together continuously, and can not discover deformation, the butt joint is comparatively firm, and has inseparable effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a state diagram of the two sets of bellows bodies of the present invention after being butted.

Fig. 3 is a cross-sectional view of the two sets of bellows bodies after butt joint.

Fig. 4 is the cross-sectional view of the two sets of bellows bodies and the connecting sleeve after butt joint.

Fig. 5 is a schematic view of the structure of the connection sleeve of the present invention.

In the figure: 1. a bellows body; 2. a connecting pipe; 3. a hard threaded pipe; 4. a first rubber tube; 5. connecting a sleeve; 51. fixing the rod; 52. a sleeve is arranged inside; 53. a second threaded port; 6. a tapered sleeve; 61. a third threaded port; 7. a support pillar; 71. a threaded post; 8. and a second rubber tube.

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.

Example 1

This embodiment is anticipated is promoting to solve the problem of carrying out the butt joint to two sets of bellows bodies 1, please refer to fig. 1-4, a double-walled bellows convenient to it is fixed, including bellows body 1, equal fixed mounting in the upper and lower both ends of bellows body 1 has connecting pipe 2, equal fixed mounting has stereoplasm screwed pipe 3 in the one end that bellows body 1 was kept away from to two sets of connecting pipe 2, fixed mounting has first rubber tube 4 on one of them group's stereoplasm screwed pipe 3's the inner wall, fixed mounting has second rubber tube 8 on the inner wall of another group's stereoplasm screwed pipe 3, the height that stereoplasm screwed pipe 3 and second rubber tube 8 all are greater than stereoplasm screwed pipe 3, first rubber tube 4 and second rubber tube 8 are the rubber material and make, rubber material itself has sealed and skid-proof effect, be convenient for ensure the fastening effect after two sets of bellows bodies 1 connect.

The diameter of the first rubber tube 4 is smaller than the diameter of the second rubber tube 8.

Connecting pipe 2 and stereoplasm screwed pipe 3 are installed respectively to the both ends of bellows body 1, the stereoplasm screwed pipe 3 material is harder, difficult deformation that takes place, be convenient for ensure the toughness of bellows body 1, two sets of stereoplasm screwed pipes 3 are connected with first rubber tube 4 and second rubber tube 8 respectively, when docking two sets of bellows bodies 1 together, two sets of stereoplasm screwed pipes 3 dock, first rubber tube 4 inserts in the second rubber tube 8, second rubber tube 8 is arranged in first rubber tube 4 and the space of stereoplasm screwed pipe 3, utilize the flange to fasten two sets of stereoplasm screwed pipes 3 together, be convenient for dock two sets of bellows, after the butt joint, bellows body 1's leakproofness can be ensured in the cooperation connection of first rubber tube 4 and second rubber tube 8, subsequent use of being convenient for.

Example 2

In the present embodiment, in order to facilitate solving the problem of how to ensure the fixing of the form of the corrugated pipe body 1, the present embodiment is an improvement made on the basis of the embodiment 1, specifically, please refer to fig. 1, fig. 2, fig. 4 and fig. 5, one end of the hard threaded pipe 3 is installed with a connection sleeve 5, and one end of the connection sleeve 5 is fixedly installed with a tapered sleeve 6.

Through installation connecting sleeve 5 and taper sleeve 6, be convenient for carry on spacingly and fixed to the both ends of bellows body 1.

Second thread mouth 53 has been seted up on adapter sleeve 5's the inner wall, and

second thread mouth

53 and 3 threaded connection of stereoplasm screwed pipe are convenient for accomplish installation and the dismantlement between adapter sleeve 5 and the stereoplasm screwed pipe 3, and after both installed together, adapter sleeve 5 can play the effect of protection to the both ends of stereoplasm screwed pipe 3, avoids stereoplasm screwed pipe 3 to produce wearing and tearing, influences the later stage butt joint.

And a supporting column 7 which is connected with the corrugated pipe body 1 in an inserting way is arranged at one end of the connecting sleeve 5, which is far away from the conical sleeve 6.

After the connecting sleeve 5 is connected with the hard threaded pipe 3, the supporting column 7 can be inserted into the corrugated pipe body 1, so that the shape of the corrugated pipe body 1 can be fixed, and the deformation of the corrugated pipe body 1 is avoided.

Four groups of fixed rods 51 are arranged on the inner wall of the connecting sleeve 5, built-in sleeves 52 are jointly installed among the four groups of fixed rods 51, and the lower ends of the built-in sleeves 52 are detachably connected with the supporting columns 7.

Through installation dead lever 51 and built-in sleeve 52, be convenient for ensure that adapter sleeve 5 is difficult for taking place deformation, when the shape of bellows body 1 needs to be changed, can dismantle built-in sleeve 52 and support column 7, the independent of the support column 7 of being convenient for is deposited, and the bellows body 1 of being convenient for changes the form, excellent in use effect.

Example 3

In the present embodiment, it is intended to promote how to increase the problem of fixing the butted corrugated pipe body 1, and the present embodiment is an improvement made on the basis of embodiment 2, specifically, please refer to fig. 1, fig. 2, fig. 4 and fig. 5, a third threaded opening 61 communicated with the built-in sleeve 52 is formed on the tapered sleeve 6, and the third threaded opening 61 is inserted and connected with the supporting column 7.

After the connecting sleeve 5 and the corrugated pipe body 1 are integrally installed on one side, the connecting sleeve 5 and the corrugated pipe body 1 are butted together, the tapered sleeve 6 at the upper end of the connecting sleeve 5 of the second group is inserted into the second rubber pipe 8 of the first group of corrugated pipe body 1, the second rubber pipe 8 deforms and is attached to the tapered sleeve 6 of the second group, the supporting column 7 of the first group can be inserted into the third threaded opening 61 of the tapered sleeve 6 of the second group, the continuous installation of the groups of corrugated pipe bodies 1 can be conveniently ensured, the deformation cannot be found, the butt joint is stable, and the tight effect is achieved.

The lower end of the support column 7 is fixedly provided with a threaded column 71, and the threaded column 71 is in threaded connection with the third threaded port 61.

The threaded column 71 at the lower end of the support column 7 is inserted into the third threaded opening 61 of the tapered sleeve 6, and the depth of the threaded column 71 and the third threaded opening 61 is related to the length of the corrugated pipe body 1, so that the length of the corrugated pipe body 1 can be changed, and the length can be fixed.

After the threaded column 71 is fastened with the third threaded opening 61, the second rubber tube 8 is more attached to the tapered sleeve 6, and the sealing performance of the corrugated tube body 1 is better.

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.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A double-walled bellows convenient to it is fixed, includes bellows body (1), its characterized in that: the corrugated pipe comprises a corrugated pipe body (1), wherein connecting pipes (2) are fixedly mounted at the upper end and the lower end of the corrugated pipe body (1), hard threaded pipes (3) are fixedly mounted at one ends of the two groups of connecting pipes (2), the corrugated pipe body (1) is far away from the inner wall of one group of hard threaded pipes (3), first rubber pipes (4) are fixedly mounted on the inner wall of the other group of hard threaded pipes (3), second rubber pipes (8) are fixedly mounted on the inner wall of the other group of hard threaded pipes (3), and the heights of the hard threaded pipes (3) and the second rubber pipes (8) are larger than the heights of the hard threaded pipes (3).

2. A double-walled corrugated pipe for facilitating securement according to claim 1, wherein: the diameter of the first rubber tube (4) is smaller than that of the second rubber tube (8).

3. A double-walled corrugated pipe for facilitating securement according to claim 1, wherein: a connecting sleeve (5) is installed at one end of the hard threaded pipe (3), and a tapered sleeve (6) is fixedly installed at one end of the connecting sleeve (5).

4. A double-walled corrugated pipe for facilitating securement according to claim 3, wherein: and a second threaded opening (53) is formed in the inner wall of the connecting sleeve (5), and the second threaded opening (53) is in threaded connection with the hard threaded pipe (3).

5. A double-walled corrugated pipe for facilitating securement according to claim 4, wherein: and one end of the connecting sleeve (5) far away from the conical sleeve (6) is provided with a supporting column (7) which is connected with the corrugated pipe body (1) in a penetrating manner.

6. A double-walled corrugated pipe for facilitating securement according to claim 5, wherein: four groups of fixing rods (51) are arranged on the inner wall of the connecting sleeve (5), a built-in sleeve (52) is jointly installed among the four groups of fixing rods (51), and the lower end of the built-in sleeve (52) is detachably connected with the supporting column (7).

7. A double-walled corrugated pipe for facilitating securement according to claim 6, wherein: the conical sleeve (6) is provided with a third threaded opening (61) communicated with the built-in sleeve (52), and the third threaded opening (61) is connected with the supporting column (7) in a penetrating manner.

8. A double-walled corrugated pipe for facilitating securement according to claim 7, wherein: the lower extreme fixed mounting of support column (7) has screw thread post (71), screw thread post (71) and third screw thread mouth (61) threaded connection.