CN203139782U - Scraper - Google Patents
Scraper Download PDFInfo
- Publication number
- CN203139782U CN203139782U CN 201320131887 CN201320131887U CN203139782U CN 203139782 U CN203139782 U CN 203139782U CN 201320131887 CN201320131887 CN 201320131887 CN 201320131887 U CN201320131887 U CN 201320131887U CN 203139782 U CN203139782 U CN 203139782U
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- CN
- China
- Prior art keywords
- blade
- main shaft
- connecting rod
- scraper
- connection rod
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a scraper. The key points of the technical scheme are as follows: the scraper comprises a main shaft, a connection rod assembly and a blade, wherein the connection rod assembly comprises a main shaft connection rod and a blade connection rod; the main shaft connection rod is vertical to the main shaft and fixedly connected with the main shaft; the main shaft connection rod is of a hollow tubular structure; and the blade connection rod comprises a movable part elastically arranged in a main shaft connection rod pipeline and a vertically-fixed connection part. Due to the adoption of the technical scheme, the blade connection rod is elastically arranged in the main shaft connection rod pipeline, in other words, the distance between the main shaft and the blade is adjustable; before the scraper is assembled in a filter cylinder body, the distance between the main shaft and the blade can be adjusted to be shorter than the inner diameter of the filter cylinder body in advance, so that the assembling of the scraper is facilitated; and furthermore, as the distance between the main shaft and the blade is shorter than the inner diameter of the filter cylinder, the cutting edge of the blade is not contacted with the inner wall of the filter cylinder, so that the damage of the blade is avoided, the service life of the blade is prolonged and the service life of the whole scrapper is prolonged.
Description
Technical field
The utility model relates to a kind of scraper, and more particularly, it relates to special-purpose scraper in a kind of self-cleaning filter.
Background technology
Self-cleaning filter is that a kind of filter screen that utilizes is directly tackled impurity in the water; remove water body suspension, particle; reduce turbidity; purify water, reduce generations such as system's dirt, bacterium algae, corrosion, to purify water and the precision equipment of other equipment operate as normal of protection system; water enters the self-cleaning filter body by water inlet; because intelligent (PLC, PAC) design, system can identify impurity deposition degree automatically, gives blowoff valve signal automatic pollution discharge.
At present, self-cleaning filter on the market is of a great variety, and a kind of electric scraper formula self-cleaning filter that is is wherein arranged, and scraper is placed in the filter cylinder, be used for stick on the wedge shape filter screen foreign material fully from screen surface scrape from, make foreign material along with filtrate is collected in down in the cavity together.Traditional scraper comprises a rotating spindle, be installed with connecting rod some and that rotating spindle is perpendicular on the rotating spindle, be installed with metal blade on the connecting rod, described metal blade is vertical with connecting rod, parallel with rotating spindle, and the blade of metal blade is conflicted with the filter cylinder inwall and is connected.
The scraper of this structure, rotating spindle, connecting rod and metal blade are each other fixedlys connected, owing to whole scraper need be placed in the filter cylinder, if scraper along the radial direction size of the main shaft radial dimension greater than filter cylinder, then whole scraper is difficult to be installed in the filter cylinder; Moreover, because blade is metal blade, the blade position of blade is prone to damage in installation process, make do not reach the service life of scraper time of expection, and this scraper damages screen pack easily, shortens the service life of screen pack, if frequently change screen pack, not only waste screen pack but also lose time the increase cost.
The utility model content
At the deficiency that prior art exists, the purpose of this utility model is to provide a kind of to be convenient to install, long perfomance life, scraper that cost is low.
For achieving the above object, the utility model provides following technical scheme: a kind of scraper, comprise main shaft, connecting rod assembly and blade, described connecting rod assembly comprises main shaft connecting rod and blade connecting rod, described main shaft connecting rod is perpendicular with main shaft and fixedly connected, the main shaft connecting rod is hollow tubular structure, described blade connecting rod include telescopically place in the main shaft connecting rod pipeline movable part and with the connecting portion of vertical fixing.
By adopting technique scheme, blade connecting rod telescopically places in the main shaft connecting rod pipeline, be that distance between main shaft and the blade can be adjusted, before being assembled to scraper in the filter cylinder, can earlier the distance between main shaft and the blade be adjusted to and be shorter than the filter cylinder internal diameter, make things convenient for the assembling of scraper; Moreover because the distance between main shaft and the blade is shorter than the filter cylinder internal diameter, the blade of blade does not contact when mounted with the filter cylinder inwall, avoided the damage of blade and screen pack, improved the service life of blade, thereby prolonged the service life of whole scraper, and reduced cost.
The utility model further is set to: the movable part of the internal pipeline of described main shaft connecting rod, blade connecting rod and the connecting portion of blade connecting rod all are cylindrical-shaped structure, the diameter of movable part is less than the diameter of connecting portion, and the diameter of movable part is smaller or equal to the diameter of main shaft connecting rod internal pipeline.
By adopting technique scheme, the concrete clear and definite set-up mode of blade connecting rod telescopic action in main shaft connecting rod pipeline, simple and reasonable.
The utility model further is set to: be provided with spring between the connecting portion of described main shaft connecting rod and blade connecting rod, described spring housing is located at the outer surface of blade connecting rod movable part.
By adopting technique scheme, distance between main shaft and the blade is installed into scraper in the filter cylinder after adjusting to and being shorter than the filter cylinder internal diameter, and the blade connecting rod that is arranged so that of spring resets, blade can be conflicted with the filter cylinder inwall automatically and is connected, and is simple and reasonable.
The utility model further is set to: described spring one end is fixedlyed connected with the main shaft connecting rod, and the other end is fixedlyed connected with the connecting portion of blade connecting rod.
By adopting technique scheme, spring forms a fixed connection with main shaft connecting rod, blade connecting rod respectively, and the retractility of spring and rockiness make the movable part of blade connecting rod can not break away from the main shaft connecting rod, and structure is more reliable.
The utility model further is set to: described blade is made of flexible plastic.
By adopting technique scheme, the blade that flexible plastic constitutes is poly-certain elasticity, not easy damaged, wearability is strong and be convenient to assembling.
The utility model further is set to: described blade is provided with two and evenly distribute along the circumferencial direction of main shaft at least.
By adopting technique scheme, can improve the efficient that scraper is scraped the removal of impurity.
The utility model further is set to: described each blade all forms parallel by three groups of connecting rod assemblies with main shaft and is fixedly coupled.
By adopting technique scheme, make between scraper and the main shaft be connected more reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model scraper embodiment;
Fig. 2 is the A portion enlarged drawing of Fig. 1.
The specific embodiment
Embodiment is described further referring to figs. 1 through the utility model scraper of Fig. 2.
A kind of scraper, comprise main shaft 1, connecting rod assembly 2 and blade 3, described connecting rod assembly 2 comprises main shaft connecting rod 21 and blade connecting rod 22, described main shaft connecting rod 21 and main shaft 1 are perpendicular and fixedly connected, main shaft connecting rod 21 is hollow tubular structure, described blade connecting rod 22 include telescopically place in main shaft connecting rod 21 pipelines movable part 221 and with the connecting portion 222 of vertical fixing.
By adopting technique scheme, blade connecting rod 22 telescopicallies place in main shaft connecting rod 21 pipelines, be that distance between main shaft 1 and the blade 3 can be adjusted, before being assembled to scraper in the filter cylinder, can earlier the distance between main shaft 1 and the blade 3 be adjusted to and be shorter than the filter cylinder internal diameter, make things convenient for the assembling of scraper; Moreover because the distance between main shaft 1 and the blade 3 is shorter than the filter cylinder internal diameter, the blade of blade 3 does not contact with the filter cylinder inwall, has avoided the damage of blade 3, has improved the service life of blade 3, thereby prolongs the service life of whole scraper.
The internal pipeline of described main shaft connecting rod 21, the movable part 221 of blade connecting rod 22 and the connecting portion 222 of blade connecting rod 22 all are cylindrical-shaped structure, the diameter of movable part 221 is less than the diameter of connecting portion 222, the diameter of movable part 221 (it should be noted that smaller or equal to the diameter of main shaft connecting rod 21 internal pipelines herein, the telescoping tube that described blade connecting rod 22 can fix for an end and main shaft connecting rod 21, also can be constituted by a telescoping tube for whole connecting rod assembly 2, simple and reasonable for making, the stretch mode of control connection bar assembly 2 is simple and convenient, and the preferred above-mentioned technology of present embodiment is convenient).
By adopting technique scheme, the concrete clear and definite set-up mode of blade connecting rod 22 telescopic action in main shaft connecting rod 21 pipelines, simple and reasonable.
Be provided with spring 23 between the connecting portion 222 of described main shaft connecting rod 21 and blade connecting rod 22, described spring 23 is set in the outer surface of the movable part 221 of blade connecting rod 22.
By adopting technique scheme, distance between main shaft 1 and the blade 3 is installed into scraper in the filter cylinder after adjusting to and being shorter than the filter cylinder internal diameter, and the blade connecting rod 22 that is arranged so that of spring 23 resets, blade 3 can be conflicted with the filter cylinder inwall automatically and is connected, and is simple and reasonable.
Described spring 23 1 ends are fixedlyed connected with main shaft connecting rod 21, the other end is fixedlyed connected with the connecting portion 222 of blade connecting rod 22 and (be it should be noted that herein, spring 23 can be set on the movable part 221 of blade connecting rod 22 simply, do not form a fixed connection with main shaft connecting rod 21 or blade connecting rod 22, for making the 23 automatically reset whiles of spring, the movable part 221 that guarantees blade connecting rod 22 can not break away from main shaft connecting rod 21, structure is more reliable, present embodiment is preferred, spring 23 1 ends are fixedlyed connected with main shaft connecting rod 21, and the other end is fixedlyed connected with the connecting portion 222 of blade connecting rod 22).
Described blade 3 is made of flexible plastic and (it should be noted that herein, described blade 3 can be metal blade 3, considering that blade that flexible plastic constitutes 3 is poly-has certain elasticity, wearability, non-easy damaged and is convenient to assembling, so this enforcement is preferred, blade 3 constitutes this material optimization polyurethane material by flexible plastic).
Described blade 3 is provided with two and evenly distribute along the circumferencial direction of main shaft 1 and (it should be noted that at least herein, blade 3 can only arrange one, scrapes the efficient of the removal of impurity for improving scraper, and present embodiment is preferred, blade 3 is provided with two at least, and best can be four).
Described each blade 3 all forms parallel and is fixedly coupled with main shaft 1 by three groups of connecting rod assemblies 2 and (it should be noted that herein, can only be connected by one group of connecting rod assembly 2 between each blade 3 and the main shaft 1, also one group of connecting rod assembly 2 can be set at the two ends of each blade 3 respectively, can also connect by many group connecting rod assemblies 2, for make between scraper and the main shaft 1 be connected more reliable, more reasonable structure, present embodiment is preferred, each blade 3 all forms parallel by three groups of connecting rod assemblies 2 with main shaft 1 and is fixedly coupled, and three groups of connecting rod assemblies 2 connect two ends and the centre of blade 3 respectively).
Claims (7)
1. scraper, comprise main shaft, connecting rod assembly and blade, it is characterized in that: described connecting rod assembly comprises main shaft connecting rod and blade connecting rod, described main shaft connecting rod is perpendicular with main shaft and fixedly connected, the main shaft connecting rod is hollow tubular structure, described blade connecting rod include telescopically place in the main shaft connecting rod pipeline movable part and with the connecting portion of vertical fixing.
2. scraper according to claim 1, it is characterized in that: the movable part of the internal pipeline of described main shaft connecting rod, blade connecting rod and the connecting portion of blade connecting rod all are cylindrical-shaped structure, the diameter of movable part is less than the diameter of connecting portion, and the diameter of movable part is smaller or equal to the diameter of main shaft connecting rod internal pipeline.
3. scraper according to claim 2, it is characterized in that: be provided with spring between the connecting portion of described main shaft connecting rod and blade connecting rod, described spring housing is located at the outer surface of blade connecting rod movable part.
4. scraper according to claim 3, it is characterized in that: described spring one end is fixedlyed connected with the main shaft connecting rod, and the other end is fixedlyed connected with the connecting portion of blade connecting rod.
5. according to claim 1 or 2 or 3 or 4 described scrapers, it is characterized in that: described blade is made of flexible plastic.
6. according to claim 1 or 2 or 3 or 4 described scrapers, it is characterized in that: described blade is provided with two and evenly distribute along the circumferencial direction of main shaft at least.
7. scraper according to claim 6, it is characterized in that: described each blade all forms parallel by three groups of connecting rod assemblies with main shaft and is fixedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131887 CN203139782U (en) | 2013-03-21 | 2013-03-21 | Scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131887 CN203139782U (en) | 2013-03-21 | 2013-03-21 | Scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203139782U true CN203139782U (en) | 2013-08-21 |
Family
ID=48967339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320131887 Expired - Fee Related CN203139782U (en) | 2013-03-21 | 2013-03-21 | Scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203139782U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669136A (en) * | 2015-02-11 | 2015-06-03 | 河南东风新研材科技有限公司 | Spread material scraper |
| CN105604523A (en) * | 2015-12-25 | 2016-05-25 | 贵州高峰石油机械股份有限公司 | Method for improving pipe scraper and pipe scraper |
| CN106694494A (en) * | 2016-11-29 | 2017-05-24 | 无锡同心塑料制品有限公司 | Residue scrapping device for material barrel for foamed plastic production |
| CN107433070A (en) * | 2017-07-17 | 2017-12-05 | 宁波盾科新材料有限公司 | A kind of filter for being used to produce nano paint |
| CN108748788A (en) * | 2018-05-18 | 2018-11-06 | 贵州好能手日用品商贸有限公司 | A kind of tubular plastic clearing and retrieving device |
| CN110115874A (en) * | 2019-05-31 | 2019-08-13 | 重庆工业职业技术学院 | A kind of chemical wastewater treatment device |
-
2013
- 2013-03-21 CN CN 201320131887 patent/CN203139782U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669136A (en) * | 2015-02-11 | 2015-06-03 | 河南东风新研材科技有限公司 | Spread material scraper |
| CN105604523A (en) * | 2015-12-25 | 2016-05-25 | 贵州高峰石油机械股份有限公司 | Method for improving pipe scraper and pipe scraper |
| CN106694494A (en) * | 2016-11-29 | 2017-05-24 | 无锡同心塑料制品有限公司 | Residue scrapping device for material barrel for foamed plastic production |
| CN106694494B (en) * | 2016-11-29 | 2019-07-23 | 无锡同心塑料制品有限公司 | A kind of foam production material barrel clout removing device |
| CN107433070A (en) * | 2017-07-17 | 2017-12-05 | 宁波盾科新材料有限公司 | A kind of filter for being used to produce nano paint |
| CN108748788A (en) * | 2018-05-18 | 2018-11-06 | 贵州好能手日用品商贸有限公司 | A kind of tubular plastic clearing and retrieving device |
| CN108748788B (en) * | 2018-05-18 | 2020-04-28 | 贵州好能手日用品商贸有限公司 | Tubular plastic cleaning and recycling device |
| CN110115874A (en) * | 2019-05-31 | 2019-08-13 | 重庆工业职业技术学院 | A kind of chemical wastewater treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20170321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |