CN210141402U - Flexible connecting pipe of smoke prevention and exhaust system - Google Patents
Flexible connecting pipe of smoke prevention and exhaust system Download PDFInfo
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- CN210141402U CN210141402U CN201920970781.5U CN201920970781U CN210141402U CN 210141402 U CN210141402 U CN 210141402U CN 201920970781 U CN201920970781 U CN 201920970781U CN 210141402 U CN210141402 U CN 210141402U
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Abstract
The utility model discloses a flexible connecting pipe of smoke prevention and exhaust system, which comprises a flexible pipeline and connecting mechanisms detachably connected with two ends of the flexible pipeline respectively, wherein each connecting mechanism comprises a flange, an inner sleeve and an outer sleeve sleeved outside the inner sleeve, the flange is fixed at the end part of the inner sleeve, and one end of the outer sleeve, which is close to the flange, is fixed on the flange through a screw; the flexible pipeline is sleeved on the inner sleeve. Locate the inner skleeve outside with flexible pipeline through the clamp, the clamp is located annular indent to use the outer sleeve to push down and fix flexible pipeline and clamp, be fixed in the flange with the outer sleeve through the bolt on, flexible pipeline appears damaged back after long-time the use, takes off outer sleeve and clamp and just can change flexible pipeline, improves maintenance efficiency, and through setting up annular clamp, guarantees flexible pipeline and sheathed tube leakproofness, improves the reliability of preventing the exhaust system.
Description
The technical field is as follows:
the utility model relates to a building field, concretely relates to prevent system's flexonics pipe that discharges fume.
Background art:
the smoke prevention and exhaust system plays a significant role in the current building safety function environment and plays an important role in the prevention and control of the initial stage of building fire and the guarantee of the safe evacuation of personnel and the winning evacuation time. The smoke prevention and discharge system consists of a metal air pipe, a valve component and a fan device, wherein the fan device is connected with the metal air pipe and needs to adopt flexible connection to adjust and compensate installation errors. The flexible connection of the existing smoke prevention and exhaust system is that a galvanized steel plate pressing strip is used for pressing the end part of a flexible pipe on an angle steel flange, and the flexible pipe, the pressing strip and the flange are fixed through rivets; in use, if the flexible pipe is damaged, the flanges at the two ends need to be taken down, and the whole flexible connection is replaced, so that the operation is complicated and very inconvenient; moreover, because use the rivet to be the interval setting, still can appear the gap between flexible pipe between two adjacent rivets and the flange, and the rivet can destroy the wholeness of flexible pipe, receives external environment to influence the flexible pipe and rocks the flexible pipe that can make the rivet annex and tear, damage, and sealed effect is not good, has reduced the operating efficiency of system of preventing discharging fume.
The utility model has the following contents:
an object of the utility model is to provide a prevent system's flexonics pipe of discharging fume convenient to change.
The utility model discloses by following technical scheme implement:
a flexible connecting pipe of a smoke prevention and exhaust system comprises a flexible pipeline and connecting mechanisms detachably connected to two ends of the flexible pipeline respectively, wherein each connecting mechanism comprises a flange, an inner sleeve and an outer sleeve sleeved outside the inner sleeve, the flange is fixed at the end part of the inner sleeve, and one end, close to the flange, of the outer sleeve is fixed on the flange through a screw; the flexible pipeline is sleeved outside the inner sleeve, an annular pressing groove arranged along the circumferential direction of the inner sleeve is formed in the outer side wall of the inner sleeve, and a clamp for pressing the flexible pipeline in the annular pressing groove is arranged in the annular pressing groove; and a sealing clamping groove is formed in the end part of the outer sleeve adjacent to the flange, and the groove bottom of the sealing clamping groove is in movable contact with the adjacent end part of the hoop.
Preferably, the clamp is composed of two semicircular rings hinged at one end.
Preferably, a sealing ring is fixed at one end of the outer sleeve adjacent to the flange, and the sealing ring is inserted into an annular sealing slot formed in the end face of the flange.
Preferably, a liquid discharge pipe communicated with the flexible pipeline is fixed in the middle of the flexible pipeline, and a valve is mounted on the liquid discharge pipe.
Preferably, an elastic rubber layer is fixed on the inner side wall of the clamping hoop.
The utility model has the advantages that: locate the inner skleeve outside with flexible pipeline pressure through the clamp, the clamp is located annular indent to use the outer sleeve to push down and fix flexible pipeline and clamp, be fixed in the flange with the outer sleeve through the bolt on, flexible pipeline appears damaged back after using for a long time, takes off outer sleeve and clamp and just can change flexible pipeline, improves maintenance efficiency, and through setting up the clamp, guarantees flexible pipeline and sheathed tube leakproofness, improves the reliability of preventing the exhaust system.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the clamp of the present invention;
fig. 3 is a schematic structural view of the outer sleeve of the present invention.
In the figure: the flexible pipe comprises a flexible pipe 1, a connecting mechanism 2, a flange 3, an inner sleeve 4, an outer sleeve 5, an annular pressure groove 6, a hoop 7, a sealing clamping groove 8, a sealing ring 9, an annular sealing slot 10, a liquid discharge pipe 11, a valve 12 and an elastic rubber layer 13.
The specific implementation mode is as follows:
as shown in fig. 1 to 3, a flexible connection pipe of a smoke prevention and exhaust system comprises a flexible pipeline 1 and connection mechanisms 2 detachably connected to two ends of the flexible pipeline 1 respectively, wherein each connection mechanism 2 comprises a flange 3, an inner sleeve 4 and an outer sleeve 5 sleeved outside the inner sleeve 4, the flange 3 is fixed at the end of the inner sleeve 4, and one end of the outer sleeve 5, which is close to the flange 3, is fixed on the flange 3 through a screw; the flexible pipeline 1 is sleeved outside the inner sleeve 4, an annular pressure groove 6 arranged along the circumferential direction of the inner sleeve 4 is formed in the outer side wall of the inner sleeve 4, and a clamp 7 for pressing the flexible pipeline 1 in the annular pressure groove 6 is arranged in the annular pressure groove 6; the end part of the outer sleeve 5 adjacent to the flange 3 is provided with a sealing clamping groove 8, the groove bottom of the sealing clamping groove 8 is in movable contact with the end part of the adjacent hoop 7, the side surface of the hoop 7 is pressed on the side surface of the annular pressing groove 6 by the groove bottom of the sealing clamping groove 8, and the outer side of the hoop 7 is pressed by the outer sleeve 5, so that the sealing performance is improved;
the flexible pipeline 1 is pressed on the outer side of the inner sleeve 4 through the hoop 7, the hoop 7 is located in the annular pressure groove 6, the flexible pipeline 1 and the hoop 7 are pressed and fixed through the outer sleeve 5, the outer sleeve 5 is fixed on the flange 3 through bolts, after the flexible pipeline 1 is damaged after being used for a long time, the flexible pipeline 1 can be replaced by taking down the outer sleeve 5 and the hoop 7, the overhauling efficiency is improved, the tightness of the flexible pipeline 1 and the sleeve 2 is ensured through the arrangement of the hoop 7, and the reliability of an anti-smoke system is improved;
the clamp 7 is composed of two semicircular rings with one ends hinged, fastening is not needed in the installation process, the clamp 7 is tightly pressed by the outer sleeve 5, and the installation speed is accelerated.
Be fixed with sealing ring 9 in the one end that outer sleeve 5 and flange 3 are adjacent, sealing ring 9 pegs graft in offering the annular seal slot 10 on the flange 3 terminal surface, peg graft in annular seal slot 10 through setting up sealing ring 9, guarantee in use that the rainwater can not flow into outer sleeve 5 in, prevent that clamp 7 from rustting, influence the leakproofness.
Be fixed with the fluid-discharge tube 11 of flexible pipeline 1 intercommunication in the middle part of flexible pipeline 1, install valve 12 on fluid-discharge tube 11, when overhauing, open valve 12 and discharge flexible pipeline 1 internal condensation's water from fluid-discharge tube 11, prevent that the liquid of retaining from preserving flexible pipeline 1 and flange 3 for a long time.
An elastic rubber layer 13 is fixed on the inner side wall of the clamp 7, and the flexible pipeline 1 is sealed with the inner sleeve 4 through the elastic rubber layer 13.
Instructions for use: when the flexible pipeline 1 is replaced, the bolt for fixing the outer sleeve 5 is disassembled, the outer sleeve 5 is moved to one side far away from the flange 3, the hoop 7 is taken down, the flexible pipeline 1 is taken down, the new flexible pipeline 1 is sleeved on the outer sleeve 5, then the hoop 7 is used for pressing the flexible pipeline 1 in the annular pressure groove 6, the outer sleeve 5 is sleeved on the annular pressure groove, and the flexible pipeline 1 is fixed on the flange 3 through the bolt.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a prevent flexible coupling pipe of system of discharging fume which characterized in that: the connecting mechanism comprises a flange, an inner sleeve and an outer sleeve, wherein the outer sleeve is sleeved outside the inner sleeve, the flange is fixed at the end part of the inner sleeve, and one end of the outer sleeve, which is close to the flange, is fixed on the flange through a screw; the flexible pipeline is sleeved outside the inner sleeve, an annular pressing groove arranged along the circumferential direction of the inner sleeve is formed in the outer side wall of the inner sleeve, and a clamp for pressing the flexible pipeline in the annular pressing groove is arranged in the annular pressing groove; and a sealing clamping groove is formed in the end part of the outer sleeve adjacent to the flange, and the groove bottom of the sealing clamping groove is in movable contact with the adjacent end part of the hoop.
2. The flexible connection tube of smoke prevention and exhaust system according to claim 1, characterized in that: the clamp is composed of two semicircular rings with one ends hinged.
3. The flexible connection tube of an anti-smoke exhaust system according to any one of claims 1 or 2, characterized in that: and a sealing ring is fixed at one end of the outer sleeve adjacent to the flange and is inserted into an annular sealing slot formed in the end face of the flange.
4. The flexible connection tube of an anti-smoke exhaust system according to any one of claims 1 or 2, characterized in that: and a liquid discharge pipe communicated with the flexible pipeline is fixed in the middle of the flexible pipeline, and a valve is arranged on the liquid discharge pipe.
5. The flexible connection tube of the smoke prevention and exhaust system according to claim 3, wherein: and a liquid discharge pipe communicated with the flexible pipeline is fixed in the middle of the flexible pipeline, and a valve is arranged on the liquid discharge pipe.
6. The flexible connection tube of an anti-smoke exhaust system according to any one of the claims 1, 2 or 5, characterized in that: and an elastic rubber layer is fixed on the inner side wall of the clamp.
7. The flexible connection tube of the smoke prevention and exhaust system according to claim 3, wherein: and an elastic rubber layer is fixed on the inner side wall of the clamp.
8. The flexible connection tube of the smoke prevention and exhaust system according to claim 4, wherein: and an elastic rubber layer is fixed on the inner side wall of the clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970781.5U CN210141402U (en) | 2019-06-25 | 2019-06-25 | Flexible connecting pipe of smoke prevention and exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970781.5U CN210141402U (en) | 2019-06-25 | 2019-06-25 | Flexible connecting pipe of smoke prevention and exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210141402U true CN210141402U (en) | 2020-03-13 |
Family
ID=69735649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920970781.5U Active CN210141402U (en) | 2019-06-25 | 2019-06-25 | Flexible connecting pipe of smoke prevention and exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210141402U (en) |
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2019
- 2019-06-25 CN CN201920970781.5U patent/CN210141402U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: The Inner Mongolia Autonomous Region city Dongsheng District 017000 Ordos ejinhuro Street No. 7 Patentee after: INNER MONGOLIA XINGTAI CONSTRUCTION GROUP Co.,Ltd. Address before: 017099 T4 tower, Xingtai Business Plaza (CBD), South Bank of Ulan Mulun River, Kangbashi New District, Ordos City, Inner Mongolia Autonomous Region Patentee before: INNER MONGOLIA XINGTAI CONSTRUCTION GROUP Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The Inner Mongolia Autonomous Region city Dongsheng District 017000 Ordos ejinhuro Street No. 7 Patentee after: Xingtai Construction Group Co., Ltd Address before: The Inner Mongolia Autonomous Region city Dongsheng District 017000 Ordos ejinhuro Street No. 7 Patentee before: INNER MONGOLIA XINGTAI CONSTRUCTION GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |