CN103990525A - Manhole cover ripple lining plate - Google Patents
Manhole cover ripple lining plate Download PDFInfo
- Publication number
- CN103990525A CN103990525A CN201410235618.6A CN201410235618A CN103990525A CN 103990525 A CN103990525 A CN 103990525A CN 201410235618 A CN201410235618 A CN 201410235618A CN 103990525 A CN103990525 A CN 103990525A
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- CN
- China
- Prior art keywords
- lining plate
- manhole cover
- plate body
- liner plate
- cover ripple
- 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.)
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Abstract
The invention relates to a manhole cover ripple lining plate. The manhole cover ripple lining plate comprises a lining plate body, wherein the end surface of the bottom end of the lining plate body is provided with a clamping groove; the two ends of the lining plate body are provided with ellipse grooves, the ellipse grooves are internally provided with positioning holes, and the shape of the lining plate body is of a ripple shape. The manhole cover ripple lining plate provided by the invention has the advantages that the structure is simple, the use is convenient, the production is convenient, the manufacture accuracy and the quality of a product are improved, the production efficiency of a material is improved, the use ratio of the material is increased, the operation is easy, the connection is firm, a sealing property is good, and the service life of the product is prolonged.
Description
Technical field
The present invention relates to a kind of manhole cover corrugated liner.
Background technology
Manhole cover is divided into tri-kinds of A, B, C according to its purposes, the position that the manhole cover of every kind of model has him to use, manhole cover comprises body and the lid of mutual coupling, and lid one side and body are hinged, configure the fastener that hasp body is used on lid, lid covers tightly after body, fastener on lid snaps on body, and still this fastener will be buckled on body and need contraposition accurate, and hasp operation is simultaneously difficult to operation, cause lid and body snapping firm not, while closing, sealing property is poor.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiency in prior art, provide a kind of and be connected firmly, the manhole cover corrugated liner of good seal performance.
The technical solution adopted for the present invention to solve the technical problems is: a kind of manhole cover corrugated liner, there is liner plate body, on the bottom end face of described liner plate body, be provided with draw-in groove, the two ends of liner plate body are provided with oval recess, in oval recess, be provided with locating hole, liner plate body be shaped as ripple type.
Further, the surface of described liner plate body is through heat treatment, case hardness HRC >=46.
Further, the thickness of described draw-in groove is 4-6mm.
The invention has the beneficial effects as follows: the present invention is simple in structure, easy to use, convenient production, improve making precision and the product quality of product, enhance productivity and the utilization rate of material, simple to operate, be connected firmly, there is good sealing property, extend the service life of product.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is structural representation of the present invention.
1. liner plate bodies in figure, 2. draw-in groove, 3. oval recess, 4. locating hole.
The specific embodiment
The present invention is further illustrated with preferred embodiment by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention is only described in a schematic way, so it only show the formation relevant with the present invention.
As Fig. 1, a kind of manhole cover corrugated liner shown in 2, there is liner plate body 1, on the bottom end face of liner plate body 1, be provided with draw-in groove 2, the thickness of draw-in groove 2 is 4-6mm, the two ends of liner plate body 1 are provided with oval recess 3, in oval recess 3, be provided with locating hole 4, locating hole 4 can well ensure the fixing of liner plate, liner plate body 1 be shaped as ripple type, good sealing property, extend the service life of product, the surface of liner plate body 1 is through heat treatment, case hardness HRC >=46, simple in structure, easy to use, convenient production, improve making precision and the product quality of product, enhance productivity and the utilization rate of material, simple to operate, be connected firmly.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (3)
1. a manhole cover corrugated liner, there is liner plate body (1), it is characterized in that: on the bottom end face of described liner plate body (1), be provided with draw-in groove (2), the two ends of liner plate body (1) are provided with oval recess (3), in oval recess (3), be provided with locating hole (4), liner plate body (1) be shaped as ripple type.
2. a kind of manhole cover corrugated liner according to claim 1, is characterized in that: the surface of described liner plate body (1) is through heat treatment, case hardness HRC >=46.
3. a kind of manhole cover corrugated liner according to claim 1, is characterized in that: the thickness of described draw-in groove (2) is 4-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235618.6A CN103990525A (en) | 2014-05-29 | 2014-05-29 | Manhole cover ripple lining plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235618.6A CN103990525A (en) | 2014-05-29 | 2014-05-29 | Manhole cover ripple lining plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103990525A true CN103990525A (en) | 2014-08-20 |
Family
ID=51305002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410235618.6A Pending CN103990525A (en) | 2014-05-29 | 2014-05-29 | Manhole cover ripple lining plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103990525A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2404586Y (en) * | 1999-11-11 | 2000-11-08 | 张仲英 | Inner liner of bowl mill |
| US20080302896A1 (en) * | 2007-05-02 | 2008-12-11 | Aia Engineering Ltd. | Installation of liners in a tube mill, tube mill provided with liners |
| CN101961668A (en) * | 2010-10-28 | 2011-02-02 | 淮阴工学院 | Ball mill groove type lining plate capable of fixing material cushion layer and manufacturing method thereof |
| CN101988174A (en) * | 2010-12-06 | 2011-03-23 | 宝钢集团新疆八一钢铁有限公司 | Large-scale ball mill liner and heat treatment method thereof |
| CN102011044A (en) * | 2010-12-15 | 2011-04-13 | 安徽省宁国耐磨配件总厂 | Continuous-casting martensitic spheroidal graphite cast iron lining plate and machining process thereof |
| CN103120971A (en) * | 2011-11-19 | 2013-05-29 | 付金水 | Ball grinder liner |
| CN103191808A (en) * | 2013-04-28 | 2013-07-10 | 昆明学院 | Corrugated lining plate of ball grinder |
| CN204122189U (en) * | 2014-05-29 | 2015-01-28 | 顾开明 | Manhole cover corrugated liner |
-
2014
- 2014-05-29 CN CN201410235618.6A patent/CN103990525A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2404586Y (en) * | 1999-11-11 | 2000-11-08 | 张仲英 | Inner liner of bowl mill |
| US20080302896A1 (en) * | 2007-05-02 | 2008-12-11 | Aia Engineering Ltd. | Installation of liners in a tube mill, tube mill provided with liners |
| CN101961668A (en) * | 2010-10-28 | 2011-02-02 | 淮阴工学院 | Ball mill groove type lining plate capable of fixing material cushion layer and manufacturing method thereof |
| CN101988174A (en) * | 2010-12-06 | 2011-03-23 | 宝钢集团新疆八一钢铁有限公司 | Large-scale ball mill liner and heat treatment method thereof |
| CN102011044A (en) * | 2010-12-15 | 2011-04-13 | 安徽省宁国耐磨配件总厂 | Continuous-casting martensitic spheroidal graphite cast iron lining plate and machining process thereof |
| CN103120971A (en) * | 2011-11-19 | 2013-05-29 | 付金水 | Ball grinder liner |
| CN103191808A (en) * | 2013-04-28 | 2013-07-10 | 昆明学院 | Corrugated lining plate of ball grinder |
| CN204122189U (en) * | 2014-05-29 | 2015-01-28 | 顾开明 | Manhole cover corrugated liner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140820 |