CN217559294U - Flange gland loose sleeve compensation joint - Google Patents
Flange gland loose sleeve compensation joint Download PDFInfo
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- CN217559294U CN217559294U CN202220912294.5U CN202220912294U CN217559294U CN 217559294 U CN217559294 U CN 217559294U CN 202220912294 U CN202220912294 U CN 202220912294U CN 217559294 U CN217559294 U CN 217559294U
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- gland
- flange
- limiting
- telescopic pipe
- fixedly connected
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Abstract
The utility model is suitable for a gland loose tube equipment technical field provides a flange gland loose tube compensation joint, including flange body and spacing flexible pipe, spacing flexible pipe cover is established in the inside of body, the sealing washer cover is established at the surface of spacing flexible pipe and at the internal surface of gland, spacing screw rod and nut are with first flange, gland and spacing flange fixed connection, can realize the flexible of compensation joint through adjusting the distance between gland and the spacing flange, double-screw bolt and nut are with second flange and gland fixed connection; the bottom end of the threaded pressure rod can tightly press the pressing ring by rotating the threaded pressure rod, so that the sealing ring can be tightly pressed, and a better sealing effect is achieved; the inner wall of the limiting telescopic pipe is provided with the lubricating coating, so that the friction force between the limiting telescopic pipe and the bottom pipe can be reduced, and the sliding of the limiting telescopic pipe on the surface of the bottom pipe is facilitated.
Description
Technical Field
The utility model belongs to the technical field of the gland loose tube equipment, especially, relate to a flange gland loose tube compensation connects.
Background
The compensating joint is a new product for connecting equipment such as a pump, a valve, a pipeline and the like with the pipeline, the equipment and the pipeline are connected through bolts to form a whole and have a certain displacement, the expansion joint is mainly applied to installation and maintenance and is adjusted according to the field installation size, and axial thrust can be transmitted to the whole pipeline system during operation, so that the working efficiency is improved, and certain protection effect is achieved on the pipeline equipment such as the pump, the valve and the like.
The loose compensation joint of the flange gland on the current market mainly has the following problems: the expansion effect is poor, and sometimes the expansion is inconvenient because the pipeline is touched; the sealing effect is poor, and liquid seepage at the joint of the compensation joint and the pipeline can be caused sometimes. There is a problem in that it is inconvenient to use the pipe. Therefore, the flange gland loose compensation joint is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a loose cover compensation of flange gland connects aims at solving the problem that prior art exists.
The utility model is realized in such a way that the flange gland loose sleeve compensation joint comprises a flange body and a limit telescopic pipe;
the bottom of one side of the body is fixedly connected with a first flange, and the bottom of the other side of the body is fixedly connected with a second flange;
the top of the inner surface of the body is movably sleeved with the limiting telescopic pipe, the outer surface of the limiting telescopic pipe is sleeved with the gland, the inner surface of the first flange is fixedly connected with the gland through a limiting screw, and the inner surface of the second flange is fixedly connected with the gland through a stud;
a sealing ring is arranged on the inner surface of the top of the body and is positioned on the bottom surface of the gland, a pressing ring is fixedly arranged on the outer surface of the sealing ring, and a pressing groove is formed in the outer surface of the pressing ring;
a threaded pressure rod is arranged on the gland and is in threaded connection with the gland, one end of the threaded pressure rod is accommodated in the inner space of the pressure groove, and the other end of the threaded pressure rod is fixedly connected with a knob;
one side of the limiting telescopic pipe is fixedly provided with a limiting flange, the limiting flange is fixedly connected with the gland through a limiting screw, and a lubricating coating is sprayed on the inner wall of the limiting telescopic pipe.
Preferably, two nuts are arranged in the middle of the limiting screw, one nut is located on the inner side face of the gland, and the other nut is located on the outer side face of the limiting flange.
Preferably, a nut is fixedly arranged on one side of the stud and is positioned on the inner side surface of the gland.
Preferably, the number of the limiting screws is multiple, and the limiting screws are uniformly distributed at intervals along the side surface of the gland in a circular ring shape;
the plurality of studs are uniformly distributed at intervals along the side surface of the press cover in a circular ring shape.
Preferably, a plurality of pressure grooves are formed and uniformly distributed at intervals along the outer surface of the pressing ring;
the screw thread depression bar is equipped with a plurality ofly, and is a plurality of the screw thread depression bar is followed the even interval distribution of gland surface.
Preferably, the lubricating coating is a lubricant covering film, and Ca, ag, pb, ni and Sn materials are mainly used as binders.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the inner surface of the limit telescopic pipe is provided with a lubricating coating which can form a solid lubricating film firmly adhered to the surface of a substrate, the lubricating coating reduces the friction force between the limit telescopic pipe and the bottom pipe, and endows the limit telescopic pipe with good physical and mechanical properties, corrosion resistance, environmental medium resistance and wear resistance, thereby achieving the effects of good telescopic effect and corrosion resistance;
2. the sealing device is provided with a plurality of thread pressing rods, the thread pressing rods can descend by rotating the rotary knob, and the pressing rings can be pressed by descending of the thread pressing rods, so that the sealing rings can be pressed by the pressing rings, and a good sealing effect is achieved.
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 an enlarged view of a portion a in fig. 2.
In the figure: 1. a body; 11. a first flange; 12. a second flange; 2. a gland; 3. a limit screw; 4. a nut; 5. a seal ring; 51. pressing a ring; 52. pressing a groove; 6. a threaded compression bar; 61. a knob; 7. limiting the telescopic pipe; 71. a limiting flange; 72. a lubricious coating; 8. a stud.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: a flange gland loose compensation joint comprises a flange body 1 and a limiting telescopic pipe 7;
the bottom of one side of the body 1 is fixedly connected with a first flange 11, and the bottom of the other side of the body 1 is fixedly connected with a second flange 12;
the top of the inner surface of the body 1 is movably sleeved with a limiting telescopic pipe 7, the outer surface of the limiting telescopic pipe 7 is sleeved with a gland 2, the inner surface of a first flange 11 is fixedly connected with the gland 2 through a limiting screw 3, and the inner surface of a second flange 12 is fixedly connected with the gland 2 through a stud 8;
a sealing ring 5 is arranged on the inner surface of the top of the body 1, the sealing ring 5 is positioned on the bottom surface of the gland 2, a pressing ring 51 is fixedly arranged on the outer surface of the sealing ring 5, and a pressing groove 52 is formed in the outer surface of the pressing ring 51;
a threaded pressure rod 6 is arranged on the gland 2, the threaded pressure rod 6 is in threaded connection with the gland 2, one end of the threaded pressure rod 6 is accommodated in the inner space of the pressure groove 52, and the other end of the threaded pressure rod 6 is fixedly connected with a knob 61;
a limiting flange 71 is fixedly arranged on one side of the limiting telescopic pipe 7, the limiting flange 71 is fixedly connected with the gland 2 through a limiting screw 3, and a lubricating coating 72 is sprayed on the inner wall of the limiting telescopic pipe 7.
In the embodiment, the limiting telescopic pipe 7 is sleeved inside the body 1, the sealing ring 5 is sleeved on the outer surface of the limiting telescopic pipe 7 and on the inner surface of the gland 2, the first flange 11, the gland 2 and the limiting flange 71 are fixedly connected by the limiting screw 3 and the nut 4, the expansion of the compensation joint can be realized by adjusting the distance between the gland 2 and the limiting flange 71, and the second flange 12 and the gland 2 are fixedly connected by the stud 8 and the nut 4; the bottom end of the threaded pressure rod 6 can be tightly pressed on the pressing ring 51 by rotating the threaded pressure rod 6, and the pressing ring 51 can be tightly pressed on the sealing ring 5, so that a better sealing effect is achieved; the inner wall of the limiting telescopic pipe 7 is provided with a lubricating coating 72, so that the friction force between the limiting telescopic pipe 7 and the bottom pipe can be reduced, and the sliding of the surface of the bottom pipe of the limiting telescopic pipe 7 is facilitated.
Furthermore, two nuts 4 are arranged in the middle of the limiting screw rod 3, one nut 4 is located on the inner side face of the gland 2, and the other nut 4 is located on the outer side face of the limiting flange 71.
In the present embodiment, the two nuts 4 are located at the middle position of the limiting screw 3, one of the nuts 4 is located on the inner side surface of the gland 2, the first flange 11 and the gland 2 can be fixedly connected by rotating the nuts 4, the other nut 4 is located on the outer side surface of the limiting flange 71, and the limiting flange 71 and the gland 2 can be fixedly connected by rotating the nuts 4.
Furthermore, a nut 4 is fixedly arranged on one side of the stud 8, and the nut 4 is positioned on the inner side surface of the gland 2.
In the present embodiment, the nut 4 is positioned on the inner side surface of the gland 2, and the second flange 12 can be fixedly connected to the gland 2 by rotating the nut 4.
Furthermore, a plurality of limiting screws 3 are arranged, and the plurality of limiting screws 3 are uniformly distributed at intervals along the side surface of the gland 2 in a circular ring shape; the number of the studs 8 is multiple, and the studs 8 are uniformly distributed at intervals along the side surface of the gland 2 in a circular ring shape.
In the embodiment, the plurality of limiting screws 3 can make the connection between the first flange 11 and the gland 2 more tight, and the connection force between the first flange 11 and the gland 2 is more uniform; the plurality of studs 8 may make the connection between the second flange 12 and the fixed connection of the gland 2 tighter and the connection force between the second flange 12 and the gland 2 more uniform.
Furthermore, a plurality of pressing grooves 52 are arranged, and the plurality of pressing grooves 52 are uniformly distributed at intervals along the outer surface of the pressing ring 51; the screw thread depression bar 6 is equipped with a plurality ofly, and a plurality of screw thread depression bars 6 are along gland 2 surface evenly spaced apart distribution.
In this embodiment, the rotary knob 61 can rotate the threaded compression rod 6 to descend, and the threaded compression rod 6 can compress the pressing ring 51 when descending, so that the pressing ring 51 can compress the sealing ring 5, and the plurality of pressing grooves 52 corresponding to the plurality of threaded compression rods 6 one to one enable the sealing ring 5 to be uniformly stressed, and a good sealing effect is achieved.
Further, the lubricant coating 72 is a lubricant covering film, and mainly uses Ca, ag, pb, ni, sn material as a binder.
In the embodiment, the lubricating coating 72 is arranged on the inner surface of the limit telescopic pipe 7, the lubricating coating 72 can form a layer of solid lubricating film which is firmly attached on the inner surface of the limit telescopic pipe 7, and the lubricating film takes Ca, ag, pb, ni and Sn as a binder, and has good physical and mechanical properties, corrosion resistance, environmental medium resistance and wear resistance, so that the telescopic effect is good and the corrosion resistance is achieved.
The utility model discloses a theory of operation and use flow: after the utility model is installed, the limiting telescopic pipe 7 is sleeved in the body 1, the sealing ring 5 is sleeved on the outer surface of the limiting telescopic pipe 7 and on the inner surface of the gland 2, the first flange 11, the gland 2 and the limiting flange 71 are fixedly connected by the limiting screw 3 and the nut 4, the expansion of the compensation joint can be realized by adjusting the distance between the gland 2 and the limiting flange 71, and the second flange 12 and the gland 2 are fixedly connected by the stud 8 and the nut 4; the bottom end of the threaded pressure rod 6 can be tightly pressed on the pressing ring 51 by rotating the threaded pressure rod 6, and the pressing ring 51 can be tightly pressed on the sealing ring 5, so that a better sealing effect is achieved; the inner wall of the limiting telescopic pipe 7 is provided with a lubricating coating 72, so that the friction force between the limiting telescopic pipe 7 and the bottom pipe can be reduced, and the sliding of the limiting telescopic pipe 7 on the surface of the bottom pipe is facilitated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (6)
1. The utility model provides a flange gland loose tube compensation connects which characterized in that: comprises a flange body (1) and a limit telescopic pipe (7);
the bottom of one side of the body (1) is fixedly connected with a first flange (11), and the bottom of the other side of the body (1) is fixedly connected with a second flange (12);
the top of the inner surface of the body (1) is movably sleeved with the limit telescopic pipe (7), the outer surface of the limit telescopic pipe (7) is sleeved with the gland (2), the inner surface of the first flange (11) is fixedly connected with the gland (2) through a limit screw (3), and the inner surface of the second flange (12) is fixedly connected with the gland (2) through a stud (8);
a sealing ring (5) is arranged on the inner surface of the top of the body (1), the sealing ring (5) is positioned on the bottom surface of the gland (2), a pressing ring (51) is fixedly arranged on the outer surface of the sealing ring (5), and a pressing groove (52) is formed in the outer surface of the pressing ring (51);
a threaded pressure rod (6) is arranged on the gland (2), the threaded pressure rod (6) is in threaded connection with the gland (2), one end of the threaded pressure rod (6) is accommodated in the inner space of the pressure groove (52), and the other end of the threaded pressure rod is fixedly connected with a knob (61);
one side of the limiting telescopic pipe (7) is fixedly provided with a limiting flange (71), the limiting flange (71) is fixedly connected with the gland (2) through a limiting screw (3), and a lubricating coating (72) is sprayed on the inner wall of the limiting telescopic pipe (7).
2. The flange gland loose compensating joint of claim 1, wherein: two nuts (4) are arranged in the middle of the limiting screw rod (3), one nut (4) is located on the inner side face of the gland (2), and the other nut (4) is located on the outer side face of the limiting flange (71).
3. The flange gland loose compensation joint of claim 1, characterized in that: and a nut (4) is fixedly arranged on one side of the stud (8), and the nut (4) is positioned on the inner side surface of the gland (2).
4. The flange gland loose compensating joint of claim 1, wherein: a plurality of limiting screws (3) are arranged, and the plurality of limiting screws (3) are uniformly distributed at intervals along the side surface of the gland (2) in a ring shape;
the screw studs (8) are arranged in a plurality, and the screw studs (8) are uniformly distributed at intervals in a circular ring shape along the side surface of the gland (2).
5. The flange gland loose compensating joint of claim 1, wherein: the pressing grooves (52) are arranged in a plurality, and the pressing grooves (52) are uniformly distributed at intervals along the outer surface of the pressing ring (51);
the screw thread depression bar (6) are equipped with a plurality ofly, and are a plurality of screw thread depression bar (6) are followed gland (2) surface evenly spaced apart distribution.
6. The flange gland loose compensating joint of claim 1, wherein: the lubricating coating (72) is a lubricating agent covering film, and Ca, ag, pb, ni and Sn materials are mainly used as a binder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220912294.5U CN217559294U (en) | 2022-04-19 | 2022-04-19 | Flange gland loose sleeve compensation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220912294.5U CN217559294U (en) | 2022-04-19 | 2022-04-19 | Flange gland loose sleeve compensation joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217559294U true CN217559294U (en) | 2022-10-11 |
Family
ID=83472887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220912294.5U Active CN217559294U (en) | 2022-04-19 | 2022-04-19 | Flange gland loose sleeve compensation joint |
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|---|---|
| CN (1) | CN217559294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115539725A (en) * | 2022-10-24 | 2022-12-30 | 兴化市通科机械有限公司 | End-constrained rated-pressure sealed pipe joint |
-
2022
- 2022-04-19 CN CN202220912294.5U patent/CN217559294U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115539725A (en) * | 2022-10-24 | 2022-12-30 | 兴化市通科机械有限公司 | End-constrained rated-pressure sealed pipe joint |
| CN115539725B (en) * | 2022-10-24 | 2024-01-23 | 兴化市通科机械有限公司 | Rated pressure seal pipe joint with constrained end |
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