CN115076496A - Access cover and air pipe assembly comprising same - Google Patents
Access cover and air pipe assembly comprising same Download PDFInfo
- Publication number
- CN115076496A CN115076496A CN202210804730.1A CN202210804730A CN115076496A CN 115076496 A CN115076496 A CN 115076496A CN 202210804730 A CN202210804730 A CN 202210804730A CN 115076496 A CN115076496 A CN 115076496A
- Authority
- CN
- China
- Prior art keywords
- access cover
- insulating layer
- base
- mounting portion
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L45/00—Pipe units with cleaning aperture and closure therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses an access cover and an air pipe assembly comprising the same, wherein the access cover comprises a cover plate and an installation part, one end of the installation part is connected with the cover plate, the other end of the installation part is provided with threads, and the installation part is used for being connected with the air pipe threads. During the installation, the access cover passes through the screw thread and is connected with the tuber pipe, and its stability is better, and screws up the difficult not hard up of back installation department to can improve the gas tightness of tuber pipe in access cover department, reduce the risk that the access cover drops from the tuber pipe simultaneously.
Description
Technical Field
The invention relates to the field of ship manufacturing, in particular to an access cover and an air pipe assembly comprising the same.
Background
In the production design of the cruise ship, in order to meet the requirements, an access cover needs to be arranged on the air pipe near each windproof air brake so as to facilitate the test, and in addition, when the pipe diameter of the exhaust pipe at the catering place is more than 600 × 400mm, the access cover also needs to be arranged at a proper position so as to facilitate the cleaning of the pipeline.
In the prior art, the maintenance cover is generally arranged by firstly forming a waist-round hole with a preset size on an air pipe, then matching the maintenance cover with a base with a proper size, connecting the maintenance cover with the base through a buckle, and finally covering a heat-insulating layer or an insulating layer on the outer side of the maintenance cover according to needs when closing the maintenance cover. The air tightness of the air pipe cannot be well guaranteed because the buckle connection is easy to loosen; in addition, the insulation layer and the insulation layer covered above the access cover need to be damaged every time the access cover is opened, so that the access cover is quite complicated, and the local insulation performance and the insulation performance of the air pipe are reduced.
Disclosure of Invention
The invention aims to overcome the defect that the air tightness of an air pipe at an access cover in the prior art is poor, and provides the access cover and the air pipe assembly comprising the same.
The invention solves the technical problems through the following technical scheme: the utility model provides an access cover, its includes the apron, access cover still includes the installation department, the one end of installation department with lap joint, be provided with the screw thread on the other end of installation department, the installation department be used for with tuber pipe threaded connection.
In this scheme, during the installation, the access cover passes through the screw thread and is connected with the tuber pipe, and its stability is better, and screws up the difficult not hard up of back installation department to can improve the gas tightness of tuber pipe in access cover department, reduce the risk that the access cover drops from the tuber pipe simultaneously.
Preferably, the access cover has an inner cavity, the access cover includes an insulating layer, and the insulating layer is arranged in the inner cavity;
or, the access cover includes an insulating layer disposed in the inner cavity;
or, the access cover comprises a heat-insulating layer, and the heat-insulating layer is arranged in the inner cavity.
In this scheme, with heat preservation, insulating layer or heat preservation insulating layer setting in the inner chamber of access cover, the access cover need not to cover after the installation and additionally covers heat preservation, insulating layer or heat preservation insulating layer again, easy dismounting, during subsequent use access cover simultaneously, can avoid destroying heat preservation, insulating layer or heat preservation insulating layer repeatedly, guarantees the heat preservation and the insulating effect of tuber pipe in access cover department.
Preferably, the heat-insulating layer, the insulating layer or the heat-insulating layer is close to the joint of the access cover and the air pipe.
In this scheme, through the setting to the position of heat preservation, insulating layer or heat preservation insulating layer, its opening part that is more close to the tuber pipe keeps warm and insulates the tuber pipe better, further improves heat preservation and insulating effect.
Preferably, the installation department is including the double-screw bolt that has the external screw thread, the installation department passes through the double-screw bolt with tuber pipe threaded connection, perhaps the installation department is including the first screw hole that has the internal thread, the installation department passes through first screw hole with tuber pipe threaded connection.
In the scheme, when the mounting part comprises the stud with the external thread, the air pipe matched with the mounting part is provided with the threaded hole, the threaded hole naturally forms an opening of the air pipe, an extra space is not needed for additionally arranging the opening, and the mounting structure is more compact after mounting; when the mounting part comprises the first threaded hole with the internal thread, the mounting part is beneficial to reducing weight, so that the manufacturing cost of the detection cover is reduced.
Preferably, the access cover further comprises a handle, and the handle is arranged on one surface of the cover plate far away from the mounting part.
In this scheme, set up the handle on the top surface of access cover, be convenient for open the access cover when overhauing the tuber pipe or debugging.
The invention also discloses an air pipe assembly which comprises the access cover and the air pipe.
In this scheme, the access cover and the access cover of tuber pipe subassembly pass through screw-thread fit installation back, and stability is good, has guaranteed the gas tightness of tuber pipe, and the access cover is also convenient for install and dismantle simultaneously, has further improved the heat preservation and the insulating effect of tuber pipe in access cover department moreover.
Preferably, the air duct assembly further comprises a base, the base is mounted on the air duct, and the mounting portion is in threaded connection with the base.
In this scheme, be convenient for set up on the base with installation department complex internal thread or external screw thread, avoid directly setting up the screw thread on the tuber pipe to avoid tuber pipe intensity to reduce.
Preferably, the base is connected with the air pipe through a rivet.
In this scheme, the base passes through rivet connection with the tuber pipe, simple structure, and the good reliability is shock-resistant moreover, and fatigue resistance can be good.
Preferably, the base includes a second threaded hole having an internal thread, the mounting portion is connected with the base through the second threaded hole, or the base includes a screw having an external thread, the mounting portion is connected with the base through the screw.
In the scheme, the base is provided with a second threaded hole matched with the mounting part, namely the second threaded hole forms an opening of the air pipe assembly, so that the air pipe assembly is more compact in structure; the screw thread spare is similar to the opening of bottle, and the external screw thread and the installation department cooperation of screw thread spare, the inner chamber of screw thread spare form the opening of tuber pipe subassembly, and the installation department of complex with it is the screw hole, is favorable to losing of installation department heavy to reduce cost.
Preferably, a groove is formed in the side wall of the air pipe, and the access cover is located in the groove.
In this scheme, prevent that the access cover protrusion from in the lateral wall of tuber pipe, avoided the access cover to produce the interference to other parts.
The positive progress effects of the invention are as follows: when the maintenance cover is installed, the maintenance cover is connected with the air pipe through threads, the stability is better, and the installation part is not easy to loosen after the maintenance cover is screwed down, so that the air tightness of the air pipe at the maintenance cover can be improved, and the risk that the maintenance cover falls off from the air pipe is reduced; with heat preservation, insulating layer or heat preservation insulating layer setting in the inner chamber of access cover, the access cover need not to cover after the installation additionally again and covers heat preservation, insulating layer or heat preservation insulating layer, easy dismounting, when the access cover is used to follow-up use simultaneously, can avoid destroying heat preservation, insulating layer or heat preservation insulating layer repeatedly, guarantee the heat preservation and the insulating effect of tuber pipe in access cover department.
Drawings
Fig. 1 is a schematic partial sectional structure view of a cross section of an air duct and an access cover according to a preferred embodiment of the present invention.
Description of the reference numerals
Access cover 1
Mounting part 11
Cover plate 12
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1, the present embodiment discloses an access cover 1, which includes a cover plate 12, and the access cover 1 further includes an installation part 11, wherein one end of the installation part 11 is connected to the cover plate 12, a thread is provided on the other end of the installation part 11, and the installation part 11 is used for being connected to the air pipe 2 by a thread.
During the installation, access cover 1 passes through the screw thread to be connected with tuber pipe 2, and its stability is better, and screws up the difficult not hard up of back installation department 11 to can improve the gas tightness of tuber pipe 2 in access cover 1 department, reduce the risk that access cover 1 drops from tuber pipe 2 simultaneously.
As shown in fig. 1, in the present embodiment, the access cover 1 has an inner cavity 13, and the access cover 1 further includes an insulating layer 14, wherein the insulating layer 14 is disposed in the inner cavity 13. With heat preservation 14 setting in the inner chamber 13 of access cover 1, access cover 1 need not to cover after the installation and additionally covers 14 easy dismounting of heat preservation again, and when subsequent use access cover 1, can avoid destroying heat preservation 14 repeatedly simultaneously, guarantee the heat preservation effect of tuber pipe 2 in access cover 1 department. Of course, in other embodiments, in order to ensure the insulation effect of the air duct 2 at the access cover 1, the access cover 1 may also include an insulation layer, which is disposed in the inner cavity 13; in addition, when the occasion of heat preservation and insulation simultaneously is required, in order to ensure the heat preservation and insulation effect of the air duct 2 at the access cover 1, in other embodiments, the access cover 1 may further include a heat preservation insulating layer, and the heat preservation insulating layer is disposed in the inner cavity 13.
As shown in fig. 1, in this embodiment, the insulation 14 is near the connection of the access cover 1 and the air duct 2. Through the arrangement of the position of the heat preservation layer 14, the heat preservation layer is closer to the opening 24 of the air pipe 2, so that the heat preservation effect of the air pipe 2 is better improved. Of course, in other embodiments, the insulation layer 14 may be disposed at other locations within the interior 13 of the access cover 1.
Specifically, in the present embodiment, the insulating layer 14 is provided in the inner cavity 13 of the cover plate 12 at a position close to the mounting portion 11. Of course, in other embodiments, the insulation layer 14 may be disposed at other locations within the interior cavity 13 of the mounting portion 11.
As shown in fig. 1, the access cover 1 further includes a handle 15, and the handle 15 is provided on a surface of the cover plate 12 remote from the mounting portion 11. The top surface of the access cover 1 is provided with a handle 15, so that the access cover 1 can be opened conveniently when the air pipe 2 is overhauled or debugged.
As shown in fig. 1, the present embodiment further discloses an air duct assembly, which includes the access cover 1, and the air duct assembly further includes an air duct 2.
Specifically, the mounting portion 11 includes a stud having an external thread, an internal thread is provided at the opening 24 of the air duct 2, and the mounting portion 11 is screwed with the internal thread of the air duct 2 through the stud. Through the double-screw bolt that sets up the external screw thread at installation department 11 to and the screw hole that sets up with installation department 11 complex tuber pipe 2 department, the screw hole forms the opening 24 of tuber pipe 2 naturally, does not need extra space to set up opening 24 separately, and the access cover 1 is better with the compact of tuber pipe 2 installation back. Of course, in other embodiments, a first threaded hole having an internal thread may be provided on the mounting portion 11, an internal thread may be provided at the opening 24 of the air duct 2, and the mounting portion 11 is in threaded connection with the external thread of the air duct 2 through the first threaded hole. When the first threaded hole is provided in the mounting portion 11, the weight reduction of the mounting portion 11 is facilitated, thereby reducing the manufacturing cost of the detection cover.
Specifically, as shown in fig. 1, the air duct assembly further includes a base 21, the base 21 is mounted on the air duct 2, and the mounting portion 11 is in threaded connection with the base 21. The base 21 is convenient to be provided with an internal thread or an external thread matched with the mounting part 11, and the situation that the screw thread is directly arranged on the air pipe 2 is avoided, so that the strength of the air pipe 2 is prevented from being reduced. Of course, in other embodiments, the threads may be provided directly at the opening 24 of the air duct 2.
Specifically, as shown in fig. 1, the base 21 includes a second screw hole having an internal thread, and the mounting portion 11 is connected to the base 21 through the second screw hole. And a second threaded hole matched with the mounting part 11 is formed in the base 21, and the second threaded hole forms an opening 24 of the air pipe assembly, so that the air pipe assembly is more compact in structure. Of course, in other embodiments, the base 21 may be provided with a screw member having an external thread, the mounting portion 11 is provided with a threaded hole including an internal thread, and the mounting portion 11 is screwed with the base 21 by the screw member. The screw is similar to the opening 24 of the bottle, the external thread of the screw co-operating with the mounting portion 11, the internal cavity 13 of the screw forming the opening 24 of the air hose assembly.
Specifically, as shown in fig. 1, the base 21 and the duct 2 are connected by a rivet 22. The base 21 is connected with the air pipe 2 through the rivet 22, and has the advantages of simple structure, good reliability, impact resistance and good fatigue resistance. Of course, in other embodiments, the base 21 and the air duct 2 may be connected by welding or screws.
Specifically, as shown in fig. 1, a groove 23 is formed on a side wall of the air duct 2, and the access cover 1 is located in the groove 23. The access cover 1 is arranged in the groove 23, the access cover 1 is prevented from protruding out of the side wall of the air pipe 2, and interference of the access cover 1 on other parts around the air pipe 2 is avoided.
While specific embodiments of the invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes or modifications to these embodiments may be made by those skilled in the art without departing from the principle and spirit of this invention, and these changes and modifications are within the scope of this invention.
Claims (10)
1. The utility model provides an access cover, its includes the apron, its characterized in that, access cover still includes the installation department, the one end of installation department with lap joint, be provided with the screw thread on the other end of installation department, the installation department be used for with tuber pipe threaded connection.
2. The access cover of claim 1, wherein the access cover has an interior cavity, the access cover including an insulating layer disposed in the interior cavity;
or, the access cover includes an insulating layer disposed in the inner cavity;
or, the access cover comprises a heat-insulating layer, and the heat-insulating layer is arranged in the inner cavity.
3. The access cover of claim 2, wherein the insulating layer, or the insulating layer is proximate to a connection of the access cover to the air duct.
4. The access cover of claim 1, wherein the mounting portion includes a threaded stud having external threads through which the mounting portion is threadably connected to the air hose, or includes a first threaded hole having internal threads through which the mounting portion is threadably connected to the air hose.
5. The access cover of claim 1, further comprising a handle disposed on a side of the cover plate remote from the mounting portion.
6. An air duct assembly comprising the access cover of any of claims 1-5, the air duct assembly further comprising the air duct.
7. The air hose assembly of claim 6, further comprising a base mounted on the air hose, wherein the mounting portion is threadably connected to the base.
8. The air hose assembly of claim 7, wherein the base is connected to the air hose by rivets.
9. The air hose assembly according to claim 7, wherein the base includes a second threaded bore having internal threads through which the mounting portion is coupled to the base, or the base includes a threaded member having external threads through which the mounting portion is threadably coupled to the base.
10. The air hose assembly of claim 6, wherein the air hose has a recess defined in a sidewall thereof, and wherein the access cover is positioned within the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210804730.1A CN115076496A (en) | 2022-07-08 | 2022-07-08 | Access cover and air pipe assembly comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210804730.1A CN115076496A (en) | 2022-07-08 | 2022-07-08 | Access cover and air pipe assembly comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115076496A true CN115076496A (en) | 2022-09-20 |
Family
ID=83258088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210804730.1A Pending CN115076496A (en) | 2022-07-08 | 2022-07-08 | Access cover and air pipe assembly comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115076496A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200402381Y1 (en) * | 2005-08-25 | 2005-11-30 | 대륙화학공업 주식회사 | Manhole shutter with function of an electric shock prevention |
| KR20070008361A (en) * | 2005-07-13 | 2007-01-17 | 오정열 | Tight Manhole Cover |
| CN103994299A (en) * | 2014-05-23 | 2014-08-20 | 大连兆和科技发展有限公司 | Automobile coating system pipeline access door |
| WO2015130188A1 (en) * | 2014-02-28 | 2015-09-03 | Общество С Ограниченной Ответственностью "Смит-Ярцево" | Heat-insulated pipe and pipeline section with hydroprotection along the external surface and along the ends |
| CN206280656U (en) * | 2016-11-22 | 2017-06-27 | 广东美的暖通设备有限公司 | Sealing plug and electrical equipment |
| CN207092129U (en) * | 2017-08-08 | 2018-03-13 | 上海东方雨虹防水工程有限公司 | A kind of underground energy-accumulation space access panel heat insulating and water proof structure |
-
2022
- 2022-07-08 CN CN202210804730.1A patent/CN115076496A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070008361A (en) * | 2005-07-13 | 2007-01-17 | 오정열 | Tight Manhole Cover |
| KR200402381Y1 (en) * | 2005-08-25 | 2005-11-30 | 대륙화학공업 주식회사 | Manhole shutter with function of an electric shock prevention |
| WO2015130188A1 (en) * | 2014-02-28 | 2015-09-03 | Общество С Ограниченной Ответственностью "Смит-Ярцево" | Heat-insulated pipe and pipeline section with hydroprotection along the external surface and along the ends |
| CN103994299A (en) * | 2014-05-23 | 2014-08-20 | 大连兆和科技发展有限公司 | Automobile coating system pipeline access door |
| CN206280656U (en) * | 2016-11-22 | 2017-06-27 | 广东美的暖通设备有限公司 | Sealing plug and electrical equipment |
| CN207092129U (en) * | 2017-08-08 | 2018-03-13 | 上海东方雨虹防水工程有限公司 | A kind of underground energy-accumulation space access panel heat insulating and water proof structure |
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