Filter with backwashing function
Technical field
The invention belongs to the liquid filtering field, specifically, relate to a kind of filter with backwashing function, be used for the filtration on liquid road.
Background technology
Existing sedimeter generally comprises external shell and is arranged on the filter core of crossing of enclosure interior, during use, filter is installed between inlet and the liquid outlet, by crossing filter core liquid is filtered, impurity and particle in the liquid all were trapped in the material for core.As time goes on, cross impurity and the particle retained in the filter core and too much will cause filter core to stop up, must clean or change filter core, not only use cost is high, and inconvenient operation.
But the filter of backwash be at any time can reverse circulated filter, at present, the filter of existing back flush changes the flow direction by valve system, and current can be taken away particle and the impurity in the filter, and by floss hole it is discharged, and need to provide power by power set, product structure is complicated, and production cost is high, damages in case cross filter core, the filter dismounting is inconvenient, causes to change difficulty.
Summary of the invention
The present invention is directed to existing filter above shortcomings, provide a kind of simple and reasonable, production cost is low and cross the filter that filter element replacing has backwashing function easily.
Technical scheme of the present invention is: a kind of filter with backwashing function, comprise feed tube, drain pipe, cleaning hose and filter, described filter also arranges two jockeys, wherein, the first jockey connects the liquid feeding end of feed tube and filter, and the second jockey connects the outlet end of drain pipe and filter; The end that feed tube is connected with the first jockey is provided with blow-off pipe, and feed tube, drain pipe, cleaning hose and blow-off pipe are provided with hand-operated valve; One end of described cleaning hose is connected with feed tube, and the other end is connected with drain pipe; Be provided with spring in the end housing body that filter is connected with the first jockey.
Preferably, described the first jockey comprises the first mount pad and the first plug that connects as one with the first mount pad, and the liquid feeding end of filter is connected with the first plug; The second jockey comprises the second mount pad and the second plug that connects as one with the second mount pad, and the outlet end of filter is connected with the second plug.
Preferably, be provided with linkage between the first plug and the second plug, filter is fastened between the first plug and the second plug by linkage.
Preferably, linkage comprises connecting rod and bolt, and connecting rod in the installing hole that the first plug and the second plug arrange, connects the first plug and the second plug by bolted.
Preferably, be provided with installing hole on the first mount pad and the second mount pad.
Preferably, filter comprises housing and the filter core of crossing that is arranged on enclosure interior, and the liquid feeding end of crossing filter core is connected with the first plug, and the outlet end of crossing filter core is connected with the second plug.
Preferably, spring fitting is between the liquid feeding end and the first plug of crossing filter core.
The invention has the beneficial effects as follows: the present invention is simple and reasonable, low cost of manufacture, easy to use, by two jockeys that arrange filter is installed between feed tube and the drain pipe, filter replacement is convenient, and by cleaning hose filter is carried out backwash, removed the materials such as the impurity that adheres on the filter core and particle, effectively solved the problem that filter core stops up of crossing, when carrying out backwash, only need close valve on feed tube and the drain pipe, the valve of opening on cleaning hose and the blow-off pipe gets final product, and is simple to operate.
Description of drawings
Accompanying drawing 1 is the structural representation of the specific embodiment of the invention;
Accompanying drawing 2 is the structure explosive view of two jockeys of the specific embodiment of the invention and filter part.
The specific embodiment
Specific embodiments of the invention: shown in Fig. 1 to 2, a kind of filter with backwashing function, comprise feed tube 1, drain pipe 2, cleaning hose 3 and filter 4, described filter also arranges two jockeys, wherein, the first jockey connects the liquid feeding end of feed tube 1 and filter 4, and the second jockey connects the outlet end of drain pipe 2 and filter 4; The end that feed tube 1 is connected with the first jockey is provided with blow-off pipe 5, and feed tube 1, drain pipe 2, cleaning hose 3 and blow-off pipe 5 are provided with hand-operated valve 6; One end of described cleaning hose 3 is connected with feed tube 1, and the other end is connected with drain pipe 2; Be provided with spring 7 in the end housing body that filter 4 is connected with the first jockey.
Above-mentioned the first jockey comprises the first mount pad 8 and the first plug 9 that connects as one with the first mount pad 8, and the liquid feeding end of filter 4 is connected with the first plug 9; The second jockey comprises the second mount pad 10 and the second plug 11 that connects as one with the second mount pad 10, and the outlet end of filter 4 is connected with the second plug 11.
For the ease of the installation of filter 4, be provided with linkage between above-mentioned the first plug 9 and the second plug 11, filter 4 is fastened between the first plug 9 and the second plug 11 by linkage.
In order to realize filter 4 and the first plug 9 and to be connected being connected of plug 11, above-mentioned linkage comprises connecting rod 12 and bolt 13, connecting rod 12 is fastened in the installing hole that arranges on the first plug 9 and the second plug 11 by bolt 13, connects the first plug 9 and the second plug 11.
For the ease of the installation of filter, be provided with installing hole 14 on above-mentioned the first mount pad 8 and the second mount pad 10.
In order to realize backwash, above-mentioned filter 4 comprises housing 15 and is arranged on the excessively filter core 16 of housing 15 inside, the liquid feeding end of crossing filter core 16 is connected with the first plug 9, and the outlet end of crossing filter core 16 is connected with the second plug 11, and spring 7 was installed between the liquid feeding end and the first plug 9 of filter core 16.
During use, open the hand-operated valve on feed tube and the drain pipe, close the hand-operated valve on cleaning hose and the blow-off pipe, can filter liquid.When if the user finds that in use fluid flow diminishes, illustrated that stopping up had appearred in filter core, then can close the hand-operated valve on feed tube and the drain pipe, open the hand-operated valve on cleaning hose and the blow-off pipe, carry out backwash to crossing filter core, materials such as crossing the impurity that adheres on the filter core and particle is rinsed out, and discharge through blow-off pipe, simple to operation.