CN219954603U

CN219954603U - Bellows with leak-proof structure

Info

Publication number: CN219954603U
Application number: CN202321038377.7U
Authority: CN
Inventors: 张维科
Original assignee: Guangxi Xinghuiteng Plastic Co ltd
Current assignee: Guangxi Xinghuiteng Plastic Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-11-03
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses a corrugated pipe with a leakage-proof structure, which comprises a first corrugated pipe and a second corrugated pipe, wherein the first corrugated pipe is inserted into the inner surface of the second corrugated pipe, the outer surface of the second corrugated pipe is fixedly connected with a positioning ring, the right side of the positioning ring is uniformly connected with a threaded rod in a threaded manner, the right side of the threaded rod is fixedly connected with a rotating handle, the left side of the threaded rod is rotationally connected with a first mounting ring through a bearing, and the right side of the outer surface of the first corrugated pipe is fixedly connected with a second mounting ring.

Description

Bellows with leak-proof structure

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a corrugated pipe with a leakage-proof structure.

Background

The corrugated pipe is a tubular elastic sensing element formed by connecting foldable corrugated sheets along the folding and stretching directions. The bellows is widely applied in instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, and the bellows used at present still has defects in the practical application process although the normal use requirement can be met, for example, the conventional metal bellows is easy to cause interface abrasion under the action of long-time back and forth twisting, and serious damage can be caused to the bellows to damage tightness, so that leakage is caused, and improvement is needed.

Disclosure of Invention

The utility model aims to provide a corrugated pipe with a leakage-proof structure, which has the advantages of good sealing performance and difficult leakage of the corrugated pipe after long-time use, and solves the problems that the conventional metal corrugated pipe is easy to cause interface abrasion under the action of long-time back and forth twisting, and the sealing performance is damaged due to severe damage of the corrugated pipe, so that the leakage is caused and the improvement is needed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bellows with leak protection structure, includes first bellows and second bellows, first bellows is pegged graft in the internal surface of second bellows, the surface fixedly connected with holding ring of second bellows, the even threaded connection in right side of holding ring has the threaded rod, the right side fixedly connected with turning handle of threaded rod, the left side of threaded rod is connected with first collar through the bearing rotation, the right side fixedly connected with second collar of first bellows surface, the surface of first collar is provided with fixed establishment.

As one preferable corrugated pipe with the leakage-proof structure, the fixing mechanism comprises a screw rod, wherein the screw rod is uniformly connected with the outer surface of the first mounting ring in a threaded manner, the left side of the screw rod penetrates through the second mounting ring, and a limit nut is connected with the outer surface of the screw rod in a threaded manner.

As the corrugated pipe with the leakage-proof structure, the inner surface of the second corrugated pipe is preferably fixedly connected with a limiting ring, and the left side of the limiting ring is preferably fixedly connected with a sealing ring.

As a preferable corrugated pipe with the leakage-proof structure, a sealing ring is fixedly connected to the left side of the inner surface of the second corrugated pipe, and the inner surface of the sealing ring is tightly attached to the outer surface of the first corrugated pipe.

As one of the bellows with the leak-proof structure of the present utility model, preferably, the right side of the first bellows is closely attached to the left side of the seal ring, and the thickness of the seal ring is 5mm.

As a bellows having a leak-proof structure of the present utility model, preferably, the inner surface of the first mounting ring is slidably connected to the outer surface of the second bellows, and the number of the threaded rods is four.

In the bellows with the leakage-proof structure, preferably, the number of the screws is four, and the right side of the limit nut is tightly attached to the left side of the second mounting ring.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the positioning ring, the rotating handle, the threaded rod, the first mounting ring and the second mounting ring are arranged, so that the first corrugated pipe and the second corrugated pipe can be conveniently connected and fixed, the sealing effect between the first corrugated pipe and the second corrugated pipe can be improved, leakage in the use process is avoided, the sealing performance is good, the problem that the corrugated pipe is difficult to leak after long-time use is solved, the problem that the interface is easy to wear under the action of long-time back and forth twisting of the existing metal corrugated pipe, the sealing performance is damaged seriously, and the leakage is caused, so that the problem of improvement is needed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

fig. 3 is an enlarged view of a portion of fig. 2 a, which is a structural view of the present utility model.

In the figure: 1. a first bellows; 2. a second bellows; 3. a positioning ring; 4. a threaded rod; 5. a rotating handle; 6. a first mounting ring; 7. a second mounting ring; 8. a fixing mechanism; 801. a screw; 802. a limit nut; 9. a limiting ring; 10. a seal ring; 11. and (3) a sealing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a bellows with anti-leakage structure includes a first bellows 1 and a second bellows 2, the first bellows 1 is inserted into an inner surface of the second bellows 2, an outer surface of the second bellows 2 is fixedly connected with a positioning ring 3, a right side of the positioning ring 3 is uniformly connected with a threaded rod 4 in a threaded manner, a rotating handle 5 is fixedly connected to a right side of the threaded rod 4, a first mounting ring 6 is rotatably connected to a left side of the threaded rod 4 through a bearing, a second mounting ring 7 is fixedly connected to a right side of an outer surface of the first bellows 1, and a fixing mechanism 8 is arranged on a surface of the first mounting ring 6.

In this embodiment: through setting up holding ring 3, stem 5, threaded rod 4, first collar 6 and second collar 7, can conveniently be connected fixedly between first bellows 1 and the second bellows 2, can also improve simultaneously the sealed effect between first bellows 1 and the second bellows 2, avoid producing the leakage in the use, through setting up above structure, possess sealing performance better, be difficult for causing the advantage that the bellows leaked after long-time use.

As a technical optimization scheme of the utility model, further, the fixing mechanism 8 comprises a screw 801, the screw 801 is uniformly and threadedly connected to the outer surface of the first mounting ring 6, the left side of the screw 801 penetrates through the second mounting ring 7, and a limit nut 802 is threadedly connected to the outer surface of the screw 801.

In this embodiment: by providing the screw 801 and the limit nut 802 together to construct the fixing mechanism 8, the first mounting ring 6 and the second mounting ring 7 can be connected and fixed.

As a technical optimization scheme of the utility model, further, the inner surface of the second corrugated pipe 2 is fixedly connected with a limiting ring 9, and the left side of the limiting ring 9 is fixedly connected with a sealing ring 10.

In this embodiment: through setting up spacing ring 9 and sealing washer 10, can carry out spacingly to the removal of first bellows 1, can also improve the leakproofness of first bellows 1 and the junction of second bellows 2 simultaneously.

As a technical optimization scheme of the utility model, further, the left side of the inner surface of the second corrugated pipe 2 is fixedly connected with a sealing ring 11, and the inner surface of the sealing ring 11 is tightly attached to the outer surface of the first corrugated pipe 1.

In this embodiment: by providing the seal ring 11, the sealing property of the junction between the first bellows 1 and the second bellows 2 can be further improved.

As a technical optimization scheme of the utility model, further, the right side of the first corrugated pipe 1 is closely attached to the left side of the sealing ring 10, and the thickness of the sealing ring 10 is 5mm.

As a technical optimization scheme of the utility model, further, the inner surface of the first mounting ring 6 is in sliding connection with the outer surface of the second corrugated pipe 2, and the number of the threaded rods 4 is four.

As a technical optimization scheme of the utility model, the number of the screws 801 is four, and the right side of the limit nut 802 is tightly attached to the left side of the second mounting ring 7.

The principle of this embodiment is:

during the use, insert first bellows 1 in the second bellows 2 when connecting, fix first collar 6 and second collar 7 together through screw rod 801 and limit nut 802, then rotate four turnpieces 5 in proper order, turnpiece 5 drives threaded rod 4 rotation, threaded rod 4 drives first collar 6 and moves right, first collar 6 drives second collar 7 and first bellows 1 and moves right, closely laminate between messenger's first bellows 1 and sealing washer 10, improve the leakproofness of first bellows 1 and the junction of second bellows 2, and then can effectually avoid the junction of first bellows 1 and second bellows 2 to take place to leak, through setting up above structure, possess sealing performance better, be difficult for causing the advantage that the bellows leaked after long-time use.

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

Claims

1. Bellows with leak protection structure, including first bellows (1) and second bellows (2), its characterized in that: the utility model discloses a corrugated pipe, including first bellows (1), second bellows (2), outer surface fixedly connected with holding ring (3) of second bellows (2), even threaded connection in right side of holding ring (3) has threaded rod (4), the right side fixedly connected with turning handle (5) of threaded rod (4), the left side of threaded rod (4) is connected with first collar (6) through the bearing rotation, right side fixedly connected with second collar (7) of first bellows (1) surface, the surface of first collar (6) is provided with fixed establishment (8).

2. A bellows with a leak-proof structure according to claim 1, characterized in that: the fixing mechanism (8) comprises a screw rod (801), the screw rod (801) is uniformly connected with the outer surface of the first mounting ring (6) in a threaded mode, the left side of the screw rod (801) penetrates through the second mounting ring (7), and a limit nut (802) is connected with the outer surface of the screw rod (801) in a threaded mode.

3. A bellows with a leak-proof structure according to claim 1, characterized in that: the inner surface of the second corrugated pipe (2) is fixedly connected with a limiting ring (9), and the left side of the limiting ring (9) is fixedly connected with a sealing ring (10).

4. A bellows with a leak-proof structure according to claim 1, characterized in that: the left side fixedly connected with sealing ring (11) of second bellows (2) internal surface, the internal surface of sealing ring (11) closely laminates with the surface of first bellows (1).

5. A bellows with a leak-proof structure according to claim 3, characterized in that: the right side of the first corrugated pipe (1) is tightly attached to the left side of the sealing ring (10), and the thickness of the sealing ring (10) is 5mm.

6. A bellows with a leak-proof structure according to claim 1, characterized in that: the inner surface of the first mounting ring (6) is in sliding connection with the outer surface of the second corrugated pipe (2), and the number of the threaded rods (4) is four.

7. A bellows with a leak-proof structure according to claim 2, characterized in that: the number of the screws (801) is four, and the right side of the limit nut (802) is tightly attached to the left side of the second mounting ring (7).