CN215862168U - Plastic sleeve steel thermal insulation pipe expansion joint - Google Patents
Plastic sleeve steel thermal insulation pipe expansion joint Download PDFInfo
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- CN215862168U CN215862168U CN202121520286.8U CN202121520286U CN215862168U CN 215862168 U CN215862168 U CN 215862168U CN 202121520286 U CN202121520286 U CN 202121520286U CN 215862168 U CN215862168 U CN 215862168U
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Abstract
The utility model provides a plastic sleeve steel thermal insulation pipe expansion joint. The plastic sleeve steel thermal insulation pipe expansion joint comprises a plastic sleeve steel thermal insulation pipe expansion joint body; the telescopic joint, the one end threaded connection of telescopic joint has the connecting sleeve who is used for adjusting length, connecting sleeve's surface is provided with a plurality of and adjusts the latch, be provided with between a plurality of regulation latch and be used for strengthening sealed rubber ring, the outside cover of adjusting the latch is equipped with upper leaf sleeve and lower leaf sleeve, four fixed blocks of equal fixedly connected with on upper leaf sleeve and the lower leaf sleeve, four the spread groove has been opened on the fixed block, the bottom of fixed block is provided with short bolt, short bolt runs through the fixed block extends to the outside of fixed block. The expansion joint of the plastic-sheathed steel heat-preservation pipe provided by the utility model has the effect of adjusting the length of the expansion joint under the condition that the length between pipelines and the distance between the expansion joints are not proper, the application range of the expansion joint is expanded to a certain extent, and the efficiency is indirectly improved.
Description
Technical Field
The utility model relates to the field of expansion joints, in particular to an expansion joint of a plastic-sheathed steel heat-preservation pipe.
Background
The expansion joint can also be called a pipeline expansion joint, a compensator or an expansion joint. The telescopic joint comprises: corrugated expansion joints, sleeve expansion joints, square natural compensation expansion joints and the like are used, wherein the corrugated expansion joints are commonly used.
The telescopic joint needs to be judged according to the temperature difference change of the place where the user is located, if the temperature difference is larger, the telescopic joint needs to be used in the pipeline, and because the temperature change is larger, the used pipeline can expand with heat and contract with cold, the telescopic joint can well solve the problem and protect our pipeline.
The problem that the length of the telescopic joint is not adjustable exists in the existing technical scheme about the telescopic joint, for example, the telescopic joint needs to be installed on a construction site in the face of a pipeline which is connected well, but the telescopic joint cannot be installed due to the fact that the distance between the telescopic joint and two sections of pipelines is not matched, and therefore the telescopic joint needs to be installed by connecting one section of pipeline on the original basis of the pipeline, so that unnecessary time is consumed to a certain extent, the application range of the telescopic joint is limited, the practicability is reduced, the length needs to be measured in advance when the telescopic joint is used, and inconvenience is caused to the installation process.
Therefore, it is necessary to provide a plastic-sheathed steel expansion joint for thermal insulation pipes to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a plastic sleeve steel thermal insulation pipe expansion joint, which solves the problem that the length of the expansion joint is not adjustable.
In order to solve the technical problem, the utility model provides a plastic-sheathed steel heat-preservation pipe expansion joint, which comprises: the telescopic joint, the one end threaded connection of telescopic joint has the connecting sleeve who is used for adjusting length, connecting sleeve's surface is provided with a plurality of and adjusts the latch, be provided with between a plurality of regulation latch and be used for strengthening sealed rubber ring, the outside cover of adjusting the latch is equipped with upper leaf sleeve and lower leaf sleeve, four fixed blocks of equal fixedly connected with on upper leaf sleeve and the lower leaf sleeve, four the spread groove has been opened on the fixed block, the bottom of fixed block is provided with short bolt, short bolt runs through the fixed block extends to the outside of fixed block, the surface threaded connection of short bolt has fixation nut, upper leaf sleeve with all be provided with on the telescopic inner wall of lower leaf and be used for the joint latch with connecting sleeve connects.
Preferably, a front flange and a rear flange are respectively arranged at two ends of the outer surface of the telescopic joint.
Preferably, one side of the front flange is in threaded connection with a bolt, and one end of the bolt sequentially penetrates through the front flange and the rear flange and extends to the outside of the rear flange.
Preferably, one end of the bolt is in threaded connection with a nut.
Preferably, both ends of the bolt are provided with threads.
Preferably, the outer surface of the bolt is sleeved with two springs, and one end of one spring is fixedly connected to one side of the flange.
Preferably, the outer surface cover of bolt is equipped with and removes the lantern ring, it sets up in two to remove the lantern ring between the spring, be provided with the siren on the removal lantern ring.
Compared with the related technology, the expansion joint of the plastic-sheathed steel heat-preservation pipe provided by the utility model has the following beneficial effects:
the utility model provides a plastic-sheathed steel heat-insulating pipe expansion joint, which is characterized in that after an adjusting latch arranged on a connecting sleeve is connected with a pipeline, the plastic-sheathed steel heat-insulating pipe expansion joint is fixed after being adjusted through an upper blade sleeve and a lower blade sleeve, so that the effect of adjusting the length of the pipeline under the condition that the length between the pipelines is not proper to the distance between the expansion joints is achieved, the application range of the expansion joint is expanded to a certain extent, and the efficiency is indirectly improved.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the expansion joint of the plastic-sheathed steel insulated pipe provided by the utility model;
FIG. 2 is a schematic view of the latch of FIG. 1;
FIG. 3 is a schematic view of the telescopic joint shown in FIG. 1;
fig. 4 is a schematic structural diagram of a second embodiment of the expansion joint of the plastic-sheathed steel insulating pipe provided by the utility model.
Reference numbers in the figures: 1. an expansion joint; 2. a connecting sleeve; 3. adjusting the latch; 4. sealing the rubber ring; 5. an upper blade sleeve; 6. a lower blade sleeve; 7. a fixed block; 8. connecting grooves; 9. a short bolt; 10. fixing a nut; 11. clamping the latch; 12. a front flange; 13. a rear flange; 14. a bolt; 15. a nut; 16. a spring; 17. moving the collar; 18. an alarm.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a plastic-sheathed steel thermal insulation pipe expansion joint provided by the present invention; FIG. 2 is a schematic view of the latch of FIG. 1; fig. 3 is a schematic structural view of the telescopic joint shown in fig. 1. The plastic sleeve steel thermal insulation pipe expansion joint comprises an expansion joint 1, one end of the expansion joint 1 is connected with a connecting sleeve 3 for adjusting the length through a thread, a plurality of adjusting latch teeth 3 are arranged on the outer surface of the connecting sleeve 2, a sealing rubber ring 4 for strengthening sealing is arranged between the adjusting latch teeth 3, an upper blade sleeve 5 and a lower blade sleeve 6 are sleeved outside the adjusting latch 3, four fixed blocks 7 are fixedly connected to the upper blade sleeve 5 and the lower blade sleeve 6, connecting grooves 8 are formed in the four fixed blocks 7, the bottom of the fixed block 7 is provided with a short bolt 9, the short bolt 9 penetrates through the fixed block 7 and extends to the outside of the fixed block 7, the outer surface of the short bolt 9 is in threaded connection with a fixing nut 10, and the inner walls of the upper blade sleeve 5 and the lower blade sleeve 6 are provided with clamping latch teeth 11 for connecting the connecting sleeve 2;
the sealing rubber ring 4 has the effect of maintaining the sealing effect and also has the effect of preserving the heat of the connecting sleeve 2 on the expansion joint 1;
the sealing rubber ring 4 can be replaced according to the use condition;
the upper blade sleeve 5 and the lower blade sleeve 6 are consistent in shape;
the clamping latch 11 is matched with the adjusting latch 3.
The two ends of the outer surface of the telescopic joint 1 are respectively provided with a front flange 12 and a rear flange 13;
four bolts 14 are connected to the front flange 12 and the rear flange 13 through threads.
One side of the front flange 12 is in threaded connection with a bolt 14, and one end of the bolt 14 sequentially penetrates through the front flange 12 and the rear flange 13 and extends to the outside of the rear flange 13.
A nut 15 is screwed to one end of the bolt 14.
Both ends of the bolt 14 are provided with threads.
Two springs 16 are sleeved on the outer surface of the bolt 14, and one end of one spring 16 is fixedly connected to one side of the front flange 12;
the spring 16 can be replaced as appropriate.
The outer surface of the bolt 14 is sleeved with a movable lantern ring 17, the movable lantern ring 17 is arranged between the two springs 16, and an alarm 18 is arranged on the movable lantern ring.
The working principle of the expansion joint of the plastic-sheathed steel heat-preservation pipe provided by the utility model is as follows:
firstly, when the distance between the pipelines is greater than the length of the expansion joint 1 in the original state, the clamping latch 11 on the inner walls of the upper blade sleeve 5 and the lower blade sleeve 6 is firstly arranged on the connecting sleeve 2, when the length which can be connected with the pipelines is adjusted, the clamping latch 11 can be arranged on the adjusting latch 3, meanwhile, the clamping latch 11 is in contact with the sealing rubber ring 4, then, the short bolt 9 is used for penetrating through the connecting groove 8 through the fixing block 7 on the upper blade sleeve 5 and the lower blade sleeve 6, and then, the short bolt 9 is screwed and fixed by using the fixing nut 10.
Compared with the related technology, the expansion joint of the plastic-sheathed steel heat-preservation pipe provided by the utility model has the following beneficial effects:
the utility model provides a plastic-sheathed steel heat-insulating pipe expansion joint, which is characterized in that an adjusting latch 3 arranged on a connecting sleeve 2 is connected with a pipeline and then is fixed after being adjusted through an upper blade sleeve 2 and a lower blade sleeve 3, so that the effect of adjusting the length of the expansion joint under the condition that the length between the pipelines and the distance between the expansion joints are not proper is achieved, the application range of the expansion joint is expanded to a certain extent, and the efficiency is indirectly improved.
Second embodiment
Referring to fig. 4, a second embodiment of the present application provides another plastic-sheathed steel thermal insulation pipe telescopic joint based on the anti-slip tree pruner for the plastic-sheathed steel thermal insulation pipe telescopic joint provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference that a plastic cover steel insulating tube telescopic joint that the second embodiment of this application provided lies in:
two springs 16 are sleeved on the outer surface of the bolt 14, and one end of one spring 16 is fixedly connected to one side of the front flange 12.
The outer surface of the bolt 14 is sleeved with a movable lantern ring 17, the movable lantern ring 17 is arranged between the two springs 16, and an alarm 18 is arranged on the movable lantern ring.
The working principle of the expansion joint of the plastic-sheathed steel heat-preservation pipe provided by the embodiment is as follows;
firstly, in the process of successfully installing and using the telescopic joint 1 and the pipeline, the pressure in the pipeline may increase to cause the telescopic joint 1 to be extruded, at the moment, the alarm 18 which is installed can give an alarm when being extruded to inform maintenance personnel to maintain the telescopic joint, however, the movable lantern ring 17 below the alarm 18 can enable the alarm 18 to move on the bolt 14 to prevent the alarm from being extruded and damaged, meanwhile, the spring 16 buffers the alarm 18, and the service life of the alarm 18 is further ensured.
The beneficial effect of the plastic cover steel insulating tube telescopic joint that this embodiment provided is as follows:
the alarm 18 arranged on the bolt 14 can give an alarm through the extrusion of the front flange 12 and the rear flange 13 to the alarm 18 when the pressure in the pipeline and the telescopic joint 1 is too high to cause the stress of the telescopic joint 1 to reach the upper limit and be extruded, and a maintenance worker is informed to maintain the telescopic joint 1 to the greatest extent, so that the integrity of the telescopic joint 1 is guaranteed, and the telescopic joint 1 is guaranteed when being used.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a plastic cover steel insulating tube telescopic joint, includes telescopic joint (1), its characterized in that: one end threaded connection of telescopic joint (1) has connecting sleeve (2) that is used for adjusting length, the surface of connecting sleeve (2) is provided with a plurality of regulation latch (3), be provided with between a plurality of regulation latch (3) and be used for strengthening sealed rubber ring (4), the outside cover of adjusting latch (3) is equipped with upper leaf sleeve (5) and lower leaf sleeve (6), upper leaf sleeve (5) and lower leaf sleeve (6) go up four fixed block (7) of equal fixedly connected with, four open spread groove (8) on fixed block (7), the bottom of fixed block (7) is provided with short bolt (9), short bolt (9) run through fixed block (7) and extend to the outside of fixed block (7), the surface threaded connection of short bolt (9) has fixation nut (10), upper leaf sleeve (5) with all be provided with on the inner wall of lower leaf sleeve (6) and be used for with connecting sleeve (2) ) A connecting clamping latch (11).
2. The expansion joint of the plastic-sheathed steel thermal insulation pipe according to claim 1, wherein a front flange (12) and a rear flange (13) are respectively arranged at two ends of the outer surface of the expansion joint (1).
3. The expansion joint of the plastic-sheathed steel thermal insulation pipe according to claim 2, wherein one side of the front flange (12) is in threaded connection with a bolt (14), and one end of the bolt (14) sequentially penetrates through the front flange (12) and the rear flange (13) and extends to the outside of the rear flange (13).
4. The expansion joint of plastic-sheathed steel insulated pipe according to claim 3, characterized in that one end of the bolt (14) is connected with a nut (15) by screw thread.
5. The expansion joint of plastic-sheathed steel insulated pipe according to claim 3, characterized in that both ends of the bolt (14) are provided with threads.
6. The expansion joint of plastic-sheathed steel insulated pipe according to claim 3, characterized in that the outer surface of the bolt (14) is sheathed with two springs (16), and one end of one spring (16) is fixedly connected with one side of the front flange (12).
7. The plastic-sheathed steel insulated pipe expansion joint according to claim 6, characterized in that the outer surface of the bolt (14) is sheathed with a movable collar (17), the movable collar (17) is arranged between the two springs (16), and an alarm (18) is arranged on the movable collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121520286.8U CN215862168U (en) | 2021-07-06 | 2021-07-06 | Plastic sleeve steel thermal insulation pipe expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121520286.8U CN215862168U (en) | 2021-07-06 | 2021-07-06 | Plastic sleeve steel thermal insulation pipe expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215862168U true CN215862168U (en) | 2022-02-18 |
Family
ID=80332731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121520286.8U Active CN215862168U (en) | 2021-07-06 | 2021-07-06 | Plastic sleeve steel thermal insulation pipe expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215862168U (en) |
-
2021
- 2021-07-06 CN CN202121520286.8U patent/CN215862168U/en active Active
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