CN110654734A - Manhole cover - Google Patents
Manhole cover Download PDFInfo
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- CN110654734A CN110654734A CN201911015319.0A CN201911015319A CN110654734A CN 110654734 A CN110654734 A CN 110654734A CN 201911015319 A CN201911015319 A CN 201911015319A CN 110654734 A CN110654734 A CN 110654734A
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- Prior art keywords
- cover
- upper cover
- manhole
- ups
- turn
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/10—Manholes; Inspection openings; Covers therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model provides a manhole cover, includes upper cover and lower cover, the upper cover is equipped with downwardly extending's first turn-ups, and the lower cover is equipped with the second turn-ups of upwards extending, and the upper cover setting forms annular seal groove between upper cover, first turn-ups and the second turn-ups in lower cover top. The sealing groove of the manhole cover is an annular groove with a downward opening, which is directly formed after the upper cover and the lower cover are installed, so that the manhole cover does not need to use a cover lining ring, the raw material cost is reduced, the turning procedure of the sealing groove is reduced, and the processing cost is reduced; the upper cover is arranged, so that the overall heat insulation effect of the manhole cover is improved, and some heat insulation materials can be added between the upper cover and the lower cover to further improve the heat insulation effect; because the upper cover and the lower cover are not integrally formed, the material of the upper cover can be different from that of the lower cover, the lower cover mainly plays a role in framework strength, and the upper cover is mainly convenient to operate and plays a role in heat insulation.
Description
Technical Field
The invention relates to a sealing component, in particular to a manhole cover.
Background
At present, both the tank and the tank container are equipped with one or more manholes, which are generally used for cleaning, maintaining and checking the inside of the tank and the tank container, and the manhole is needed to replace a feed port when necessary so as to improve the loading capacity, and the manhole cover is generally arranged on the manhole for the sealing performance of the tank and the tank container. Existing manhole covers typically come in both single and double layer versions. Regardless of single-layer or double-layer style, most of the sealing groove of the manhole cover is formed by turning the cover lining ring by a lathe, so that the raw material cost is increased, the processing cost is increased, and more waste materials are generated in the processing.
Disclosure of Invention
The invention aims to provide the manhole cover which has the advantages of high strength, good sealing performance, convenience in later maintenance, low comprehensive cost and convenience in assembly process.
In order to solve the technical problems, the invention provides a manhole cover which comprises an upper cover and a lower cover, wherein the upper cover is provided with a first flanging extending downwards, the lower cover is provided with a second flanging extending upwards, the upper cover is arranged above the lower cover, an annular sealing groove is formed among the upper cover, the first flanging and the second flanging, the first flanging is vertical to the upper cover and is integrally formed, and the lower cover is vertical to the second flanging and is integrally formed.
Preferably, the second flange is fixedly connected to the first position of the upper cover.
Preferably, the second flange is welded at the first position of the upper cover.
In order to connect the lower cover to the upper cover more stably, a third flanging extending horizontally outwards is arranged on the second flanging, and the third flanging is connected to the second position of the upper cover.
Preferably, the third flange is welded at the second position of the upper cover.
In order to ensure that the top end of the sealing groove is flat, the length of the third flanging is matched with the distance between the first flanging and the second flanging.
In order to ensure the sealing performance of the sealing groove, the height of the first flanging is flush with that of the second flanging.
In order to facilitate the operation of the manhole cover, the upper cover is provided with a handle.
In order to protect the manhole cover, the upper cover is provided with an upper support lug.
In order to operate the manhole cover conveniently, an opening bracket is arranged on the upper cover.
The invention has the beneficial effects that: the sealing groove of the manhole cover is an annular groove with a downward opening, which is directly formed after the upper cover and the lower cover are installed, so that the manhole cover does not need to use a cover lining ring, the raw material cost is reduced, the turning procedure of the sealing groove is reduced, and the processing cost is reduced; the upper cover is arranged, so that the overall heat insulation effect of the manhole cover is improved, and some heat insulation materials can be added between the upper cover and the lower cover to further improve the heat insulation effect; because the upper cover and the lower cover are not integrally formed, the material of the upper cover can be different from that of the lower cover, the lower cover mainly plays a role in framework strength, and the upper cover is mainly convenient to operate and plays a role in heat insulation.
Drawings
FIG. 1 is a schematic view of the sloping surface of a manhole cover of example 1;
FIG. 2 is a diagram of the slope of a manhole cover of example 1;
FIG. 3 is a drawing of the dome of a manhole cover of example 2, FIG. 1;
FIG. 4 is a schematic view of the sloping surface of the manhole cover of example 2;
FIG. 5 is a schematic diagram of the construction of the manhole cover of the present invention;
description of reference numerals: 1-covering the upper cover; 11-a first flanging; 12-a first position; 13-a second position; 2-lower cover; 21-second flanging; 22-third flanging; 3-sealing the groove; 4-a handle; 5-upper support lug; 6-opening the bracket;
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Example 1
Referring to fig. 1, the present invention provides a manhole cover, including an upper cover 1 and a lower cover 2, wherein the upper cover 1 is provided with a first flanging 11 extending downward, the lower cover 2 is provided with a second flanging 21 extending upward, the second flanging 21 of the lower cover 2 is connected to a first position 12 of the upper cover 1, and an annular sealing groove 3 is formed between the upper cover 1, the first flanging 11 and the second flanging 21.
In this embodiment, the upper cover 1 is formed by one-step press.
In this embodiment, the lower cover 2 is formed by one-step press.
In this embodiment, the height of first turn-ups 11 highly flushes with the height of second turn-ups 21, can guarantee outward appearance pleasing to the eye like this, can guarantee again that first turn-ups 11 flushes with the 3 both sides of seal groove that second turn-ups 21 formed, guarantees sealed effect.
In this embodiment, the second flange 21 and the upper cover 1 are fixed by welding, but the connection manner between the second flange 21 and the upper cover 1 is not limited in the present invention, and the second flange and the upper cover may be bonded, riveted, screwed, or buckled, so long as the purpose of connecting and fixing the second flange 21 and the upper cover is achieved.
In this embodiment, the lower cover 2 is provided with a certain upward radian, so that the operation space of the manhole cover is ensured.
In this embodiment, the upper cover 1 is provided with a handle 4 for facilitating operation.
In this embodiment, the upper cover 1 is provided with an upper support lug 5.
In this embodiment, the upper cover 1 is provided with an opening bracket 6.
In the embodiment, the sealing groove 3 of the manhole cover is an annular groove with a downward opening, which is directly formed after the upper cover 1 and the lower cover 2 are installed, so that the manhole cover does not need to use a cover lining ring, the raw material cost is reduced, the turning process of the sealing groove 3 is reduced, and the processing cost is reduced; the upper cover 1 is arranged to improve the overall heat insulation effect of the manhole cover, and some heat insulation materials can be added between the upper cover 1 and the lower cover 2 to further improve the heat insulation effect, and the invention is not particularly limited. Because upper cover 1 and lower cover 2 are not integrated into one piece, the material of upper cover 1 can be different with lower cover 2 in this embodiment, lower cover 2 mainly plays the effect of framework intensity, upper cover 1 mainly is convenient operation, thermal-insulated effect, therefore in this embodiment, the material of upper cover 1 can be the non-metallic material of high strength, this non-metallic material can be plastics, this plastics can be polyformaldehyde, polyformaldehyde has advantages such as heat resistance intensity, bending strength, fatigue resistance intensity are all high, possess "plastic steel" and call, can be effectual the weight that reduces the manhole cover under the prerequisite that does not reduce the intensity, simultaneously, upper cover 1 blows the sun in the surface branch outward, the life-span can be less than lower cover 2, can simply change, promote the life-span of whole manhole cover.
Example 2
Referring to fig. 2, the present invention provides a manhole cover, including an upper cover 1 and a lower cover 2, wherein the upper cover 1 is provided with a first flanging 11 extending downward, the lower cover 2 is provided with a second flanging 21 extending upward, the second flanging 21 is provided with a third flanging 22 extending horizontally outward, the third flanging 22 is connected to a second position 13 of the upper cover 1, and an annular sealing groove 3 is formed between the upper cover 1, the first flanging 11, the second flanging 21 and the third flanging 22.
In this embodiment, the upper cover 1 is formed by one-step press.
In this embodiment, the lower cover 2 is formed by one-step press.
In this embodiment, the height of first turn-ups 11 highly flushes with the height of second turn-ups 21, can guarantee outward appearance pleasing to the eye like this, can guarantee again that first turn-ups 11 flushes with the 3 both sides of seal groove that second turn-ups 21 formed, guarantees sealed effect.
In this embodiment, the length of the third flange 22 matches the distance between the first flange 11 and the second flange 21, so that the top of the sealing groove 3 is flush, and the sealing performance of the sealing groove 3 is ensured.
In this embodiment, the third flange 22 and the upper cover 1 are fixed by welding, but the present invention does not limit the connection manner between the third flange 22 and the upper cover 1, and the third flange and the upper cover may be bonded, riveted, screwed, or buckled, so long as the purpose of connecting and fixing the third flange 22 and the upper cover is achieved.
In this embodiment, the lower cover 2 is provided with a certain upward radian, so that the operation space of the manhole cover is ensured.
In this embodiment, the upper cover 1 is provided with a handle 4 for facilitating operation.
In this embodiment, the upper cover 1 is provided with an upper support lug 5.
In this embodiment, the upper cover 1 is provided with an opening bracket 6.
In the embodiment, the sealing groove 3 of the manhole cover is an annular groove with a downward opening, which is directly formed after the upper cover 1 and the lower cover 2 are installed, so that the manhole cover does not need to use a cover lining ring, the raw material cost is reduced, the turning process of the sealing groove 3 is reduced, and the processing cost is reduced; the upper cover 1 is arranged to improve the overall heat insulation effect of the manhole cover, and some heat insulation materials can be added between the upper cover 1 and the lower cover 2 to further improve the heat insulation effect, and the invention is not particularly limited. Because upper cover 1 and lower cover 2 are not integrated into one piece, the material of upper cover 1 can be different with lower cover 2 in this embodiment, lower cover 2 mainly plays the effect of framework intensity, upper cover 1 mainly is convenient operation, thermal-insulated effect, therefore in this embodiment, the material of upper cover 1 can be the non-metallic material of high strength, this non-metallic material can be plastics, this plastics can be polyformaldehyde, polyformaldehyde has advantages such as heat resistance intensity, bending strength, fatigue resistance intensity are all high, possess "plastic steel" and call, can be effectual the weight that reduces the manhole cover under the prerequisite that does not reduce the intensity, simultaneously, upper cover 1 blows the sun in the surface branch outward, the life-span can be less than lower cover 2, can simply change, promote the life-span of whole manhole cover.
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 performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a manhole cover, its characterized in that, includes upper cover and lower cover, the upper cover is equipped with downwardly extending's first turn-ups, and the lower cover is equipped with the second turn-ups of upwards extending, and the upper cover setting forms annular seal groove between upper cover, first turn-ups and the second turn-ups in the lower cover top, first turn-ups is perpendicular and integrated into one piece with the upper cover, the lower cover is perpendicular and integrated into one piece with the second turn-ups.
2. A manhole cover according to claim 1, wherein the second flange is fixedly attached to the upper cover at a first location.
3. A manhole cover according to claim 2, wherein the second flange is welded to the upper cover at the first location.
4. The manhole cover of claim 1, wherein the second flange has a third flange extending horizontally outwardly therefrom, the third flange being connected to the upper cover at a second location.
5. A manhole cover according to claim 4, wherein the third flange is welded to the upper cover at the second location.
6. The manhole cover of claim 4, wherein the third flange has a length that matches the distance between the first and second flanges.
7. A manhole cover according to any of claims 1 to 6, wherein the first flange is of a height which is substantially level with the height of the second flange.
8. A manhole cover according to any one of claims 1 to 6, wherein the upper cover is provided with a handle.
9. A manhole cover according to any one of claims 1 to 6, wherein the upper cover is provided with upper lugs.
10. A manhole cover according to any one of claims 1 to 6, wherein the cover is provided with an opening bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911015319.0A CN110654734A (en) | 2019-10-24 | 2019-10-24 | Manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911015319.0A CN110654734A (en) | 2019-10-24 | 2019-10-24 | Manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110654734A true CN110654734A (en) | 2020-01-07 |
Family
ID=69041584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911015319.0A Withdrawn CN110654734A (en) | 2019-10-24 | 2019-10-24 | Manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110654734A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2350227A1 (en) * | 2023-02-28 | 2023-11-14 | Delaval Holding Ab | Manhole cover for a milk cooling tank |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9200404A (en) * | 1992-03-04 | 1993-10-01 | Holvrieka Nirota Bv | Manhole collar structure for tanks |
| CN202754346U (en) * | 2012-07-11 | 2013-02-27 | 西安轨道交通装备有限责任公司 | Manhole cover for railway tanker car |
| CN203283679U (en) * | 2013-05-29 | 2013-11-13 | 浙江章达轻工机械厂 | Heat preservation tank with vacuum heat insulation manhole |
| CN203428300U (en) * | 2013-08-08 | 2014-02-12 | 南通中集罐式储运设备制造有限公司 | Heat preservation manhole cover and tank container |
| CN203727981U (en) * | 2014-03-19 | 2014-07-23 | 河北光德流体控制有限公司 | Double-layer manhole cover |
| CN105857983A (en) * | 2016-05-05 | 2016-08-17 | 河北光德流体控制有限公司 | Manhole cover |
| CN207511158U (en) * | 2017-10-31 | 2018-06-19 | 山东明航智能物流装备股份有限公司 | A kind of normal pressure tank car quick opening manhole |
| CN208843019U (en) * | 2018-09-18 | 2019-05-10 | 上海东富龙制药设备制造有限公司 | A kind of manhole mechanism for tank body |
-
2019
- 2019-10-24 CN CN201911015319.0A patent/CN110654734A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9200404A (en) * | 1992-03-04 | 1993-10-01 | Holvrieka Nirota Bv | Manhole collar structure for tanks |
| CN202754346U (en) * | 2012-07-11 | 2013-02-27 | 西安轨道交通装备有限责任公司 | Manhole cover for railway tanker car |
| CN203283679U (en) * | 2013-05-29 | 2013-11-13 | 浙江章达轻工机械厂 | Heat preservation tank with vacuum heat insulation manhole |
| CN203428300U (en) * | 2013-08-08 | 2014-02-12 | 南通中集罐式储运设备制造有限公司 | Heat preservation manhole cover and tank container |
| CN203727981U (en) * | 2014-03-19 | 2014-07-23 | 河北光德流体控制有限公司 | Double-layer manhole cover |
| CN105857983A (en) * | 2016-05-05 | 2016-08-17 | 河北光德流体控制有限公司 | Manhole cover |
| CN207511158U (en) * | 2017-10-31 | 2018-06-19 | 山东明航智能物流装备股份有限公司 | A kind of normal pressure tank car quick opening manhole |
| CN208843019U (en) * | 2018-09-18 | 2019-05-10 | 上海东富龙制药设备制造有限公司 | A kind of manhole mechanism for tank body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2350227A1 (en) * | 2023-02-28 | 2023-11-14 | Delaval Holding Ab | Manhole cover for a milk cooling tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200107 |