CN203944212U - A kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance - Google Patents
A kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance Download PDFInfo
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- CN203944212U CN203944212U CN201420397391.0U CN201420397391U CN203944212U CN 203944212 U CN203944212 U CN 203944212U CN 201420397391 U CN201420397391 U CN 201420397391U CN 203944212 U CN203944212 U CN 203944212U
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Abstract
The utility model discloses a kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance, belong to filter technology field.The utility model comprises the first cartridge filter, the second cartridge filter and one or three six-way valves, the first cartridge filter, the second cartridge filter and three six-way valves are " product " character form structure, between described three six-way valves and the first cartridge filter, be provided with two oil transportation paths, on two oil transportation paths, be connected with respectively the first oil-feed control valve and first and go out oil control valve; Between described three six-way valves and the second cartridge filter, be also provided with two oil transportation paths, on two oil transportation paths, be connected with respectively the second oil-feed control valve and second and go out oil control valve.The utility model has realized that real cartridge filter switches without crushing, without altering pressures, nothing is altered oil; And processing cost is low, it is easy to maintenance to clean.
Description
Technical field
The utility model relates to filter technology field, more particularly, relates to a kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance.
Background technology
Filter is the important component part of centralized lubricating system.Existing filter generally comprises monotubular filter and double-drum filter.The filter core of monotubular filter stops up to be needed to a certain extent to clean or more during renew cartridge, shutdown operation, so not only loses time, and can not meet the needs of main frame continuous operation.Double-drum filter is a use because of it, and one standby, in the time of can stopping up at the filter core of used cartridge filter; switch and use standby cartridge filter at once; guarantee not shut down and can clean filter core, therefore, double-drum filter application in lubricated hydraulic test is comparatively extensive.
Yet, often there is following defect in existing bitubular oil strainer: 1) relies on merely reversal valve to carry out cartridge filter handover operation, so, after the long-time use of filter, change-over valve core can be because wearing and tearing, cause commutation not thorough, appearance two cartridge filters are altered mutually oil condition, to such an extent as to filter fuel-displaced undesirable; 2) two cartridge filters and the reversal valve of filter are welded as a whole, to the manufacturing processing technic of filter, require high and processing cost is also higher, in addition, when filter is cleaned to blowdown or maintenance operation, also have the problems such as cleaning is thorough, maintain and replace part trouble, the result of use of bitubular oil strainer is poor.
Through retrieval, China Patent No. ZL201020167084.5, Granted publication day is on December 29th, 2010, invention and created name is: double-drum filter, this application case comprises the connecting line of two cartridge filters, oil-out, connection oil-out and each cartridge filter oil drain out, the oil-in of two cartridge filters is all connected with the end of a three-way diverter valve by detachable syndeton, and the middle hydraulic fluid port of three-way diverter valve is as the oil-in of double-drum filter; Oil drain out place at each cartridge filter is equipped with check valve.This application case has to be convenient to processing, to install, and seals reliable advantage, but this application case complex structure, manufacturing cost are high.
Chinese Patent Application No. 201110246583.2, the applying date is on August 26th, 2011, invention and created name is: double-drum filter; This application case comprises the first filter, the second filter connecting by pipeline and is connected the reversal valve of described first and second filter, described the first filter is connected by upper and lower pipeline with the second filter, in the middle of upper and lower pipeline, be respectively equipped with oil-in and oil-out, described reversal valve is comprised of oil-feed reversal valve and fuel-displaced reversal valve, described oil-feed reversal valve and fuel-displaced reversal valve are syndeton in the same way, and described oil-feed reversal valve and fuel-displaced reversal valve are installed on respectively described oil-in and oil-out place.This application case can be changed filter element in the situation that not affecting the normal work of hydraulic system; But this application case does not solve between two cartridge filters that reversal valve commutation thoroughly do not cause and alters oily problem, still needs further improvement.
Summary of the invention
1. the technical problem that utility model will solve
The purpose of this utility model is to overcome that existing bitubular oil strainer exists: 1) to switch crushing large for cartridge filter, easily alters oil, alters pressure between filter cylinder; 2) filter processing cost is high, and the deficiency of cleaning, inconvenient maintenance, provides a kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance; The technical scheme that the utility model provides, has realized that real cartridge filter switches without crushing, without altering pressures, nothing is altered oil; And processing cost is low, it is easy to maintenance to clean.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance of the present utility model, comprise the first cartridge filter, the second cartridge filter and one or three six-way valves, the first cartridge filter, the second cartridge filter and three six-way valves are " product " character form structure, between described three six-way valves and the first cartridge filter, be provided with two oil transportation paths, on two oil transportation paths, be connected with respectively the first oil-feed control valve and first and go out oil control valve; Between described three six-way valves and the second cartridge filter, be also provided with two oil transportation paths, on two oil transportation paths, be connected with respectively the second oil-feed control valve and second and go out oil control valve.
Further, described the first oil-feed control valve, first goes out oil control valve, the second oil-feed control valve, second goes out oil control valve and all by loose joint, is connected with 4 oil transportation mouths of three six-way valves; The first oil-feed control valve, first goes out oil control valve and also by loose joint, is connected with two ports of the first cartridge filter sidewall, and the second oil-feed control valve, second goes out oil control valve and also by loose joint, is connected with two ports of the second cartridge filter sidewall.
Further, three described six-way valves also comprise switching handle, oil-in, oil-out, described switching handle is positioned at the top of three six-way valve valve bodies, oil-out is opened in the bottom of valve body, described oil-in is opened in body wall, and oil-in and the first oil-feed control valve, the second oil-feed control valve place oil transportation path are positioned at same level.
Further, the first described cartridge filter comprises end cap, O RunddichtringO, cylindrical shell, filter core, blowoff valve and bearing, described end cap is connected with the upper port of cylindrical shell, between end cap and cylindrical shell, by O RunddichtringO, seal, described inner barrel is provided with filter core, the bottom sewage draining exit of this cylindrical shell is connected with blowoff valve, seat supports cylindrical shell, and the second described cartridge filter is identical with the shape and structure of the first cartridge filter.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compares with existing known technology, has following beneficial effect:
(1) a kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance of the present utility model, on oil transportation path between its first cartridge filter, the second cartridge filter and three six-way valves, be provided with by-pass valve control, while having avoided independent dependence reversal valve to carry out cartridge filter handover operation, because two cartridge filters that change-over valve core wearing and tearing cause are altered mutually pressures, altered oil condition, cartridge filter handoff procedure accomplished truly without crushing, without altering pressure, nothing is altered oil;
(2) a kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance of the present utility model, its by-pass valve control is all connected by loose joint with the first cartridge filter, the second cartridge filter, three six-way valves, so, one version cartridge filter and reversal valve being welded as a whole compared to tradition, processing cost, the difficulty of processing of filter significantly reduce, two can realize filter in not parking situation, standby cartridge filter is removed, with thoroughly cleaning and filtering cylinder or maintain and replace parts more easily.
Accompanying drawing explanation
Fig. 1 is the structural representation of bitubular oil strainer of the present utility model.
Label declaration in schematic diagram:
11, the first cartridge filter; 12, the second cartridge filter; 111, end cap; 112, O RunddichtringO; 113, cylindrical shell; 114, filter core; 115, blowoff valve; 116, bearing; 21, switch handle; 22, oil-in; 23, oil-out; 31, the first oil-feed control valve; 32, first goes out oil control valve; 33, the second oil-feed control valve; 34, second goes out oil control valve.
The specific embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
In conjunction with Fig. 1, a kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance of the present embodiment, comprises the first cartridge filter 11, the second cartridge filter 12 and one or three six-way valves.The first described cartridge filter 11 comprises end cap 111, O RunddichtringO 112, cylindrical shell 113, filter core 114, blowoff valve 115 and bearing 116, described end cap 111 is threaded with the upper port of cylindrical shell 113, the upper surface of end cap 111 is welded with handle, to facilitate the movement of bitubular oil strainer, between end cap 111 and cylindrical shell 113, by O RunddichtringO 112, seal.Described cylindrical shell 113 inside are provided with filter core 114, the bottom sewage draining exit of this cylindrical shell 113 is connected with blowoff valve 115, bearing 116 supports cylindrical shell 113, and the second described cartridge filter 12 is identical with the shape and structure of the first cartridge filter 11, and the first cartridge filter 11 and the second cartridge filter 12 are standby each other.
The first cartridge filter 11, the second cartridge filter 12 and three six-way valves are " product " character form structure, three described six-way valves comprise 4 oil transportation mouths that switch handle 21, oil-in 22, oil-out 23 and sidewall, described switching handle 21 is positioned at the top of three six-way valve valve bodies, oil-out 23 is opened in the bottom of valve body, and described oil-in 22 is opened in body wall.Between three six-way valves and the first cartridge filter 11, be provided with two oil transportation paths, on two oil transportation paths, being respectively arranged with the first oil-feed control valve 31 and first goes out oil control valve 32, the first oil-feed control valve 31 place oil transportation paths and is positioned at the first top that goes out oil control valve 32 place oil transportation paths.Between described three six-way valves and the second cartridge filter 12, be also provided with two oil transportation paths, on two oil transportation paths, being connected with respectively the second oil-feed control valve 33 and second goes out oil control valve 34, the second oil-feed control valve 33 place oil transportation paths and is positioned at the second top that goes out oil control valve 34 place oil transportation paths.Described oil-in 22 and the first oil-feed control valve 31, the second oil-feed control valve 33 place oil transportation paths are positioned in same level.The present embodiment is all provided with by-pass valve control on the oil transportation path between the first cartridge filter 11, the second cartridge filter 12 and three six-way valves, while having avoided three six-way valves of independent dependence to carry out cartridge filter handover operation, because three six-way valves use two cartridge filters that spool wearing and tearing cause for a long time, alter mutually pressures, alter oil condition, cartridge filter handoff procedure accomplished truly without crushing, without altering pressure, nothing is altered oil.
In addition, the first oil-feed control valve 31, first of the present embodiment goes out oil control valve 32, the second oil-feed control valve 33, second goes out oil control valve 34 and all by loose joint, is connected with 4 oil transportation mouths of three six-way valves; The first oil-feed control valve 31, first goes out oil control valve 32 and also by loose joint, is connected with two ports of the first cartridge filter 11 sidewalls, and in like manner, the second oil-feed control valve 33, second goes out oil control valve 34 and also by loose joint, is connected with two ports of the second cartridge filter 12 sidewalls.The present embodiment adopts the connected mode of loose joint, one version cartridge filter and reversal valve being welded as a whole compared to tradition, filter processing cost, difficulty of processing significantly reduce, two can realize filter in not parking situation, standby cartridge filter is removed, with thoroughly cleaning and filtering cylinder or maintain and replace parts more easily.
During actual use, when the filter of the present embodiment has just come into operation, 4 control valves, all in open mode, only rely on the switching handle 21 at three six-way valve tops to carry out the switching of the first cartridge filter 11, the second cartridge filter 12 duties.As switch handle 21 filter is switched to the first cartridge filter 11 work, the standby state of the second cartridge filter 12, oil to be filtered enters in the first cartridge filter 11 by oil-in 22, the first oil-feed control valve 31 place oil transportation paths, after filter core 114 filters, then go out oil control valve 32 place oil transportation paths, oil-out 23 outputs through first.The second cartridge filter 12 is when in running order, and oil strain principle is identical.And when filter is after use a period of time, wearing and tearing have appearred in three six-way valve spools, between the first cartridge filter 11 and the second cartridge filter 12, path can not rely on three six-way valve seal spools completely.Now, carrying out before cartridge filter duty switches, first respective channels control valve is closed, can realize cartridge filter switch truly without crushing, without altering pressures, without altering oil, cartridge filter switches thorough.In addition, when cartridge filter is used for a long time, when needing to clean or keeping in repair, the present embodiment is holistic filter compared to traditional welding, can in not parking of filter situation, cartridge filter to be cleaned or maintenance be dismantled fast, easily, cartridge filter cleans more thoroughly, maintain and replace parts are more convenient.
A kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance described in embodiment 1, when cost, difficulty of processing reduce, realize the switch filtering cylinder that do not stop and carried out work, in handoff procedure, accomplished truly without crushing, without altering pressures, nothing is altered oil, also can realize and under working condition, cleaning or maintain and replace parts, can not affect the flow of output and pressure etc., very convenient effective and rapid.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (4)
1. a bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance, comprise the first cartridge filter (11) and the second cartridge filter (12), it is characterized in that: also comprise one or three six-way valves, the first cartridge filter (11), the second cartridge filter (12) and three six-way valves are " product " character form structure, between described three six-way valves and the first cartridge filter (11), be provided with two oil transportation paths, on two oil transportation paths, be connected with respectively the first oil-feed control valve (31) and first and go out oil control valve (32); Between described three six-way valves and the second cartridge filter (12), be also provided with two oil transportation paths, on two oil transportation paths, be connected with respectively the second oil-feed control valve (33) and second and go out oil control valve (34).
2. a kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance according to claim 1, is characterized in that: described the first oil-feed control valve (31), first goes out oil control valve (32), the second oil-feed control valve (33), second goes out oil control valve (34) and all by loose joint, is connected with 4 oil transportation mouths of three six-way valves; The first oil-feed control valve (31), first goes out oil control valve (32) and also by loose joint, is connected with two ports of the first cartridge filter (11) sidewall, and the second oil-feed control valve (33), second goes out oil control valve (34) and also by loose joint, is connected with two ports of the second cartridge filter (12) sidewall.
3. a kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance according to claim 2, it is characterized in that: three described six-way valves also comprise switching handle (21), oil-in (22), oil-out (23), described switching handle (21) is positioned at the top of three six-way valve valve bodies, oil-out (23) is opened in the bottom of valve body, described oil-in (22) is opened in body wall, and oil-in (22) is positioned at same level with the first oil-feed control valve (31), the second oil-feed control valve (33) place oil transportation path.
4. according to a kind of being convenient to described in claim 2 or 3, switch, blowdown, the bitubular oil strainer of processing and maintenance, it is characterized in that: described the first cartridge filter (11) comprises end cap (111), O RunddichtringO (112), cylindrical shell (113), filter core (114), blowoff valve (115) and bearing (116), described end cap (111) is connected with the upper port of cylindrical shell (113), between end cap (111) and cylindrical shell (113), by O RunddichtringO (112), seal, described cylindrical shell (113) inside is provided with filter core (114), the bottom sewage draining exit of this cylindrical shell (113) is connected with blowoff valve (115), bearing (116) supports cylindrical shell (113), described the second cartridge filter (12) is identical with the shape and structure of the first cartridge filter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420397391.0U CN203944212U (en) | 2014-07-17 | 2014-07-17 | A kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420397391.0U CN203944212U (en) | 2014-07-17 | 2014-07-17 | A kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance |
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| Publication Number | Publication Date |
|---|---|
| CN203944212U true CN203944212U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420397391.0U Expired - Fee Related CN203944212U (en) | 2014-07-17 | 2014-07-17 | A kind of bitubular oil strainer of being convenient to switching, blowdown, processing and maintenance |
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| CN (1) | CN203944212U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917791A (en) * | 2015-12-28 | 2017-07-04 | 镇江润京机电科技有限公司 | A kind of double-drum filter that can mutually switch |
| CN110131246A (en) * | 2019-03-29 | 2019-08-16 | 武汉船用机械有限责任公司 | A kind of filter |
| CN110513172A (en) * | 2019-09-11 | 2019-11-29 | 浙江环球滤清器有限公司 | Convenient replaceable oil filter assembly |
| CN110563055A (en) * | 2019-09-03 | 2019-12-13 | 上海饮泉水处理设备有限公司 | Water purifier with intelligent Internet of things function |
-
2014
- 2014-07-17 CN CN201420397391.0U patent/CN203944212U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917791A (en) * | 2015-12-28 | 2017-07-04 | 镇江润京机电科技有限公司 | A kind of double-drum filter that can mutually switch |
| CN110131246A (en) * | 2019-03-29 | 2019-08-16 | 武汉船用机械有限责任公司 | A kind of filter |
| CN110563055A (en) * | 2019-09-03 | 2019-12-13 | 上海饮泉水处理设备有限公司 | Water purifier with intelligent Internet of things function |
| CN110513172A (en) * | 2019-09-11 | 2019-11-29 | 浙江环球滤清器有限公司 | Convenient replaceable oil filter assembly |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20160717 |