CN209714397U

CN209714397U - Mechanical filter

Info

Publication number: CN209714397U
Application number: CN201920346973.9U
Authority: CN
Inventors: 幸蜀巍
Original assignee: Harbin Sanxing Water Treatment Equipment Manufacturing Co Ltd
Current assignee: Harbin Sanxing Water Treatment Equipment Manufacturing Co Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2019-12-03
Anticipated expiration: 2029-03-19

Abstract

The utility model relates to filter device fields, more particularly to mechanical filter, including rack, pressing mechanism, filtrate adds door and door lock, the rack includes extrusion barrel, mounting plate, support plate, bottom plate, door lock seat, jam plate baffle, add door rotating seat, closure plate, outlet, spacing board, filtrate filter, water hole and filtrate, the pressing mechanism includes spinning blade, squeeze axis, cover board, water inlet pipe, drive pulley, electrical machine belt pulley and motor, the filtrate addition door includes arc door-plate, arc sealing-plug, arc-shaped door swivel base, arc door pivot, connecting plate, locking plate and knob, the door lock includes hook jam plate, shaft, unlocking rod and spring, the utility model can remove the impurity in water removal, filter efficiency is high, and it is convenient for changing filtering filtrate, it is simple and easy to use.

Description

Mechanical filter

Technical field

The utility model relates to filter device fields, more particularly to mechanical filter.

Background technique

Water is one of most common substance, is all life are survived including humans valuable source and organism Most important component part.Water plays an important role in Life Evolution.Water be widely used in electric power, petroleum, chemical industry, The all trades and professions such as metallurgy, papermaking, weaving, food, beverage, tap water, swimming pool.But water needs to remove before by application Suspended matter, organic matter, colloid, silt in water etc..

Utility model content

The purpose of the utility model is to provide a kind of mechanical filters, can remove the impurity in water removal, and filter efficiency is high, and And it is convenient for changing filtering filtrate, it is simple and easy to use.

The purpose of this utility model is achieved through the following technical solutions:

Mechanical filter, including rack, pressing mechanism, filtrate addition door and door lock, the rack include extrusion barrel, peace Loading board, support plate, bottom plate, door lock seat, jam plate baffle, addition door rotating seat, closure plate, outlet, spacing board, filtrate filter, mistake Water hole and filtrate, there are two support plate is set, the upper end of two support plates is fixedly connected in extrusion barrel, under two support plates End is fixedly connected on bottom plate, and mounting plate is fixedly connected on one end of extrusion barrel, and closure plate is fixedly connected on the another of extrusion barrel End, outlet are fixedly connected on closure plate, and door lock seat and addition door rotating seat are fixedly connected in extrusion barrel, are set in door lock seat There is spring mounting hole, jam plate baffle is fixedly connected on door lock seat, and spacing board is fixedly connected in extrusion barrel, and filtrate filter is equipped with Two, two filtrate filters are fixedly connected in extrusion barrel, water hole be equipped with it is multiple, multiple water holes are arranged at spacing board On, filtrate is arranged between two filtrate filters；Pressing mechanism is fixedly connected with mounting plate and bottom plate, pressing mechanism and interval Plate rotation connection, filtrate addition door are rotatably connected on addition door rotating seat, and door lock is rotatably connected on door lock seat, filtrate addition Door fits with door lock；

The pressing mechanism includes spinning blade, squeezes axis, cover board, water inlet pipe, drive pulley, electrical machine belt pulley and electricity Machine, water inlet pipe are fixedly connected on the cover board, and cover board is fixedly connected by gasket with bolt seal on a mounting board, and it is logical to squeeze axis Cross bearing rotation connection on the cover board, the right end for squeezing axis is rotatably connected on spacing board by bearing, and extruding axis is around from axis Rotation and axial restraint, drive pulley are fixedly connected on the left end for squeezing axis, and spinning blade, which is fixedly connected on, to be squeezed on axis, spinning Blade is rotatably connected in extrusion barrel, and electrical machine belt pulley is fixedly connected on motor output shaft, and motor is fixedly connected on bottom plate, electricity Machine belt wheel is connect with drive pulley by V belt translation；

The described filtrate addition door include arc door-plate, arc sealing-plug, arc-shaped door swivel base, arc door pivot, connecting plate, Locking plate and knob, arc sealing-plug are fixedly connected on arc door-plate inner wall, and there are two arc-shaped door swivel base is set, two arc-shaped doors turn Seat is fixedly connected in the rear end of arc door-plate, and arc door pivot is rotatably connected on addition door rotating seat, and two arc-shaped doors turn Seat is rotatably connected on the both ends of arc door pivot respectively, and connecting plate is fixedly connected on the front end of arc door-plate, and locking plate is fixed to be connected It connects on connecting plate, knob is fixedly connected on connecting plate, and arc door-plate fits with extrusion barrel, and locking plate is affixed with door lock It closes；

The door lock includes hook jam plate, shaft, unlocking rod and spring, and shaft is rotatably connected on door lock seat, hook Jam plate is rotatably connected in shaft, and unlocking rod is fixedly connected on hook jam plate, and one end of spring is fixedly connected on spring installation In hole, the other end of spring is fixedly connected on hook jam plate, and hook jam plate fits with jam plate baffle, jam plate and locking plate phase Fitting, hook jam plate upper end are equipped with inclined-plane；

The spinning blade outer end is bonded with extrusion barrel inner wall；

The water inlet pipe is equipped with controlled valve.

The utility model has the beneficial effects that the utility model provides a kind of mechanical filter, by rack, extruder The use of structure, filtrate addition door and door lock, can remove the impurity in water removal, and filter efficiency is high, and is convenient for changing filtering filtrate, It is simple and easy to use.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the rack construction schematic diagram one of the utility model；

Fig. 3 is the rack construction schematic diagram two of the utility model；

Fig. 4 is the rack schematic cross-sectional view of the utility model；

Fig. 5 is the extrusion barrel of the utility model, door lock seat and addition door rotating seat schematic cross-sectional view；

Fig. 6 is the pressing mechanism structural schematic diagram of the utility model；

Fig. 7 is the filtrate addition door schematic diagram of the utility model；

Fig. 8 is the door latch structure schematic diagram of the utility model.

In figure: rack 1；Extrusion barrel 1-1；Mounting plate 1-2；Support plate 1-3；Bottom plate 1-4；Door lock seat 1-5；Jam plate baffle 1- 6；Add door rotating seat 1-7；Closure plate 1-8；Outlet 1-9；Spacing board 1-10；Filtrate filter 1-11；Water hole 1-12；Filtrate 1- 13；Pressing mechanism 2；Spinning blade 2-1；Squeeze axis 2-2；Cover board 2-3；Water inlet pipe 2-4；Drive pulley 2-5；Electrical machine belt pulley 2-6； Motor 2-7；Filtrate adds door 3；Arc door-plate 3-1；Arc sealing-plug 3-2；Arc-shaped door swivel base 3-3；Arc door pivot 3-4；Even Fishplate bar 3-5；Locking plate 3-6；Shake hands 3-7；Door lock 4；Hook jam plate 4-1；Shaft 4-2；Unlocking rod 4-3；Spring 4-4.

Specific embodiment

1-8 is described in further detail the utility model with reference to the accompanying drawing.

Specific embodiment 1:

As shown in figures 1-8, mechanical filter, including rack 1, pressing mechanism 2, filtrate addition door 3 and door lock 4, it is described Rack 1 includes extrusion barrel 1-1, mounting plate 1-2, support plate 1-3, bottom plate 1-4, door lock seat 1-5, jam plate baffle 1-6, addition door rotation Transposase 11-7, closure plate 1-8, outlet 1-9, spacing board 1-10, filtrate filter 1-11, water hole 1-12 and filtrate 1-13, support plate There are two 1-3 is set, the upper end of two support plate 1-3 is fixedly connected on extrusion barrel 1-1, and the lower end of two support plate 1-3 is equal It is fixedly connected on bottom plate 1-4, mounting plate 1-2 is fixedly connected on one end of extrusion barrel 1-1, and closure plate 1-8 is fixedly connected on extruding The other end of bucket 1-1, outlet 1-9 are fixedly connected on closure plate 1-8, door lock seat 1-5 and the fixed company of addition door rotating seat 1-7 It connects on extrusion barrel 1-1, spring mounting hole 1-5-1 is equipped in door lock seat 1-5, jam plate baffle 1-6 is fixedly connected on door lock seat 1-5 On, spacing board 1-10 is fixedly connected in extrusion barrel 1-1, and there are two filtrate filter 1-11 is set, two filtrate filter 1-11 are solid Surely be connected in extrusion barrel 1-1, water hole 1-12 be equipped with it is multiple, multiple water hole 1-12 are arranged on spacing board 1-10, filter Expect that 1-13 is arranged between two filtrate filter 1-11；Pressing mechanism 2 is fixedly connected with mounting plate 1-2 and bottom plate 1-4, is squeezed Mechanism 2 and spacing board 1-10 are rotatablely connected, and filtrate addition door 3 is rotatably connected on addition door rotating seat 1-7, and the rotation of door lock 4 connects It connects on door lock seat 1-5, filtrate addition door 3 fits with door lock 4；

When in use, the cover board 2-3 of pressing mechanism 2 is sealedly and fixedly connected in mounting plate by gasket and bolt first On 1-2, then filtrate 1-13 is filled up by filtrate addition door 3 and door lock 4 and is sealed between two filtrate filter 1-11, then The water inlet pipe 2-4 of pressing mechanism 2 and unfiltered water pipe are connected, while outlet 1-9 being switched in collecting device, is made not The water of filtering is entered in extrusion barrel 1-1 by water inlet pipe 2-4, and sewage flow to spacing board by the spinning blade 2-1 of pressing mechanism 2 At 1-10, then by the filtrate 1-13 between two filtrate filter 1-11 of water hole 1-12 arrival, sewage passes through filtrate filter 1- 11 and filtrate 1-13, is finally flowed out in collecting device by outlet 1-9, during sewage passes through filtrate 1-13, filtrate 1-13 will filter out the impurity in sewage, to complete sewage water filtration, can add door 3 by filtrate and replace filtrate 1-13, Filtrate 1-13 can select quartz sand, anthracite, particle porous ceramics, manganese sand etc., can select filtrate according to the water quality of sewage 1-13 medium.

Specific embodiment 2:

As shown in figures 1-8, the pressing mechanism 2 includes spinning blade 2-1, squeezes axis 2-2, cover board 2-3, water inlet pipe 2- 4, drive pulley 2-5, electrical machine belt pulley 2-6 and motor 2-7, water inlet pipe 2-4 are fixedly connected on cover board 2-3, and cover board 2-3 passes through close Packing and bolt seal are fixedly connected on mounting plate 1-2, are squeezed axis 2-2 and are rotatably connected on cover board 2-3 by bearing, are squeezed The right end of axis 2-2 is rotatably connected on spacing board 1-10 by bearing, is squeezed axis 2-2 around from axis rotation and axial restraint, is passed Movable belt pulley 2-5 is fixedly connected on the left end for squeezing axis 2-2, and spinning blade 2-1, which is fixedly connected on, to be squeezed on axis 2-2, spinning blade 2-1 is rotatably connected in extrusion barrel 1-1, and electrical machine belt pulley 2-6 is fixedly connected on motor 2-7 output shaft, and motor 2-7 is fixedly connected On bottom plate 1-4, electrical machine belt pulley 2-6 is connect with drive pulley 2-5 by V belt translation；

When using pressing mechanism 2, when sewage enters in extrusion barrel 1-1, start motor 2-7, motor 2-7 drives defeated Electrical machine belt pulley 2-6 rotation on shaft, electrical machine belt pulley 2-6 rotate drive pulley 2-5 by V belt translation, and drive pulley 2-5 is logical It crossing extruding axis 2-2 and drives spinning blade 2-1 rotation, the spinning blade 2-1 of rotation can push sewage to extrusion barrel 1-1 right end, The pressure for increasing sewage in extrusion barrel 1-1, flow to sewage quickly at spacing board 1-10, then reaches two by water hole 1-12 At filtrate 1-13 between filtrate filter 1-11, pressurization by spinning blade 2-1 to sewage enables sewage to pass rapidly through filter Expect filter 1-11 and filtrate 1-13, is finally flowed out in collecting device by outlet 1-9, so that the quick filtering of sewage is completed, Improve filter efficiency.

Specific embodiment 3:

As shown in figures 1-8, filtrate addition door 3 includes arc door-plate 3-1, arc sealing-plug 3-2, arc-shaped door swivel base 3-3, arc door pivot 3-4, connecting plate 3-5, locking plate 3-6 and knob 3-7, arc sealing-plug 3-2 are fixedly connected on arc-shaped door Plate 3-1 inner wall, there are two arc-shaped door swivel base 3-3 is set, two arc-shaped door swivel base 3-3 are fixedly connected with after arc door-plate 3-1 End, arc door pivot 3-4 are rotatably connected on addition door rotating seat 1-7, and two arc-shaped door swivel base 3-3 are rotatably connected on arc respectively The both ends of shape door pivot 3-4, connecting plate 3-5 are fixedly connected on the front end of arc door-plate 3-1, and locking plate 3-6 is fixedly connected on company On fishplate bar 3-5, knob 3-7 is fixedly connected on connecting plate 3-5, and arc door-plate 3-1 fits with extrusion barrel 1-1, locking plate 3-6 It fits with door lock 4；

When using filtrate addition door 3, the locking to arc door-plate 3-1 is released by door lock 4, then pulls knob 3-7, It can make arc door-plate 3-1 on arc door pivot 3-4 around addition door rotating seat 1-7 rotation, at this time by the filtrate 1-13 of exposing It takes out, then after being changed to the filtrate 1-13 of needs, pulls knob 3-7, make arc door-plate 3-1 to back rotation, as arc door-plate 3-1 When being bonded with extrusion barrel 1-1, door lock 4 opens locking to arc door-plate 3-1, arc sealing-plug 3-2 will make arc door-plate 3-1 with Extrusion barrel 1-1 is tightly connected.

Specific embodiment 4:

As shown in figures 1-8, the door lock 4 includes hook jam plate 4-1, shaft 4-2, unlocking rod 4-3 and spring 4-4, is turned Axis 4-2 is rotatably connected on door lock seat 1-5, and hook jam plate 4-1 is rotatably connected on shaft 4-2, and unlocking rod 4-3 is fixedly connected on On hook jam plate 4-1, one end of spring 4-4 is fixedly connected in spring mounting hole 1-5-1, and the other end of spring 4-4 is fixed to be connected It connects on hook jam plate 4-1, hook jam plate 4-1 fits with jam plate baffle 1-6, and jam plate 4-1 fits with locking plate 3-6, hook The type upper end jam plate 4-1 is equipped with inclined-plane；

When using door lock 4, it is pulled along unlocking rod 4-3, makes hook jam plate 4-1 on shaft 4-2 by unlocking rod 4-3 Rotation, hook jam plate 4-1 squeezes spring 4-4 while rotation, until locking plate 3-6 takes off at the groove of hook jam plate 4-1 From so that locking of the releasing to arc door-plate 3-1, then unclamps unlocking rod 4-3, hook jam plate 4-1 is under the action of spring 4-4 To back rotation, until hook jam plate 4-1 is bonded with jam plate baffle 1-6, when closing arc door-plate 3-1, knob 3-7 is pulled, is made Arc door-plate 3-1 is to back rotation, until locking plate 3-6 is contacted with hook jam plate 4-1, since the hook upper end jam plate 4-1 is equipped with tiltedly Face squeezes the inclined-plane on hook jam plate 4-1, hook jam plate 4-1 is made to start to overcome while continuing to rotate locking plate 3-6 Spring 4-4 elastic force is turned out, until locking plate 3-6 slips over the inclined-plane of hook jam plate 4-1, hook jam plate 4-1 is spring 4-4's It to back rotation under effect, falls into locking plate 3-6 in the locked groove of hook jam plate 4-1, is locked arc door-plate 3-1 in this position It sets.

Specific embodiment 5:

As shown in figures 1-8, the spinning outer end blade 2-1 is bonded with extrusion barrel 1-1 inner wall；The spinning blade 2- of rotation 1 makes sewage not flow back, and increases the pressure of sewage, improves filter efficiency.

Specific embodiment 6:

As shown in figures 1-8, the water inlet pipe 2-4 is equipped with controlled valve, can pass through the switch valve on water inlet pipe 2-4 The entrance of door control sewage.

A kind of mechanical filter of the utility model uses principle are as follows: when in use, first will by gasket and bolt The cover board 2-3 of pressing mechanism 2 is sealedly and fixedly connected on mounting plate 1-2, then adds door 3 and door lock 4 for filtrate 1- by filtrate 13 fill up and are sealed between two filtrate filter 1-11, then connect the water inlet pipe 2-4 of pressing mechanism 2 with unfiltered water pipe It is logical, while outlet 1-9 being switched in collecting device, enter unfiltered water in extrusion barrel 1-1 by water inlet pipe 2-4, it is dirty Water is flow at spacing board 1-10 by the spinning blade 2-1 of pressing mechanism 2, then reaches two filtrate filters by water hole 1-12 At filtrate 1-13 between 1-11, sewage passes through filtrate filter 1-11 and filtrate 1-13, finally flows out to collection by outlet 1-9 In equipment, during sewage passes through filtrate 1-13, filtrate 1-13 will filter out the impurity in sewage, to complete sewage Filtering can add door 3 by filtrate and replace filtrate 1-13, and filtrate 1-13 can select quartz sand, anthracite, particle porous pottery Porcelain, manganese sand etc. can select filtrate 1-13 medium according to the water quality of sewage.When using pressing mechanism 2, entered in sewage crowded When pressing in bucket 1-1, start motor 2-7, motor 2-7 drives the electrical machine belt pulley 2-6 rotation on output shaft, and electrical machine belt pulley 2-6 passes through V belt translation rotates drive pulley 2-5, and drive pulley 2-5 drives spinning blade 2-1 rotation, the rotation of rotation by squeezing axis 2-2 It presses blade 2-1 that can push sewage to extrusion barrel 1-1 right end, increases the pressure of sewage in extrusion barrel 1-1, flow sewage quickly The filtrate 1-13 between two filtrate filter 1-11 is reached at spacing board 1-10, then by water hole 1-12, passes through spinning leaf Pressurization of the piece 2-1 to sewage, enables sewage to pass rapidly through filtrate filter 1-11 and filtrate 1-13, is finally flowed by outlet 1-9 Out into collecting device, to complete the quick filtering of sewage, filter efficiency is improved.When using filtrate addition door 3, pass through door Lock 4 releases the locking to arc door-plate 3-1, then pulls knob 3-7, can make arc door-plate 3-1 on arc door pivot 3-4 Around addition door rotating seat 1-7 rotation, the filtrate 1-13 of exposing is taken out at this time, then after being changed to the filtrate 1-13 of needs, is pulled Shake hands 3-7, makes arc door-plate 3-1 to back rotation, and when arc door-plate 3-1 is bonded with extrusion barrel 1-1, door lock 4 is opened to arc The locking of door-plate 3-1, arc sealing-plug 3-2 will be such that arc door-plate 3-1 and extrusion barrel 1-1 is tightly connected.When using door lock 4, It is pulled along unlocking rod 4-3, rotates hook jam plate 4-1 on shaft 4-2 by unlocking rod 4-3, hook jam plate 4-1 is being rotated While squeeze spring 4-4, until locking plate 3-6 is detached from the groove of hook jam plate 4-1, so that releasing is to arc door-plate 3- 1 locking, then unclamps unlocking rod 4-3, hook jam plate 4-1 under the action of spring 4-4 to back rotation, until hook jam plate 4- 1 is bonded with jam plate baffle 1-6, when closing arc door-plate 3-1, pulls knob 3-7, makes arc door-plate 3-1 to back rotation, until Locking plate 3-6 is contacted with hook jam plate 4-1, since the hook upper end jam plate 4-1 is equipped with inclined-plane, locking plate 3-6 is allow to continue to turn The inclined-plane on hook jam plate 4-1 is squeezed while dynamic, and hook jam plate 4-1 is made to start that spring 4-4 elastic force is overcome to be turned out, until Locking plate 3-6 slips over the inclined-plane of hook jam plate 4-1, and hook jam plate 4-1, to back rotation, makes locking plate under the action of spring 4-4 3-6 is fallen into the locked groove of hook jam plate 4-1, is locked arc door-plate 3-1 in this position.The outer end spinning blade 2-1 It is bonded with extrusion barrel 1-1 inner wall；The spinning blade 2-1 of rotation makes sewage not flow back, and increases the pressure of sewage, improves filtering effect Rate.The water inlet pipe 2-4 is equipped with controlled valve, and the entrance of sewage can be controlled by the controlled valve on water inlet pipe 2-4.

Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill The variation that the those of ordinary skill in art field is made in the essential scope of the utility model；Remodeling；Addition or replacement, also belong to In the protection scope of the utility model.

Claims

1. mechanical filter, including rack (1), pressing mechanism (2), filtrate addition door (3) and door lock (4), it is characterised in that: institute The rack (1) stated includes extrusion barrel (1-1), mounting plate (1-2), support plate (1-3), bottom plate (1-4), door lock seat (1-5), jam plate Baffle (1-6), addition door rotating seat (1-7), closure plate (1-8), outlet (1-9), spacing board (1-10), filtrate filter (1- 11), water hole (1-12) and filtrate (1-13), there are two support plate (1-3) is set, the upper end of two support plates (1-3) is fixed It is connected on extrusion barrel (1-1), the lower end of two support plates (1-3) is fixedly connected on bottom plate (1-4), mounting plate (1-2) It is fixedly connected on one end of extrusion barrel (1-1), closure plate (1-8) is fixedly connected on the other end of extrusion barrel (1-1), outlet (1- 9) it is fixedly connected on closure plate (1-8), door lock seat (1-5) and addition door rotating seat (1-7) are fixedly connected at extrusion barrel (1-1) On, it is equipped with spring mounting hole (1-5-1) in door lock seat (1-5), jam plate baffle (1-6) is fixedly connected on door lock seat (1-5), Partition (1-10) is fixedly connected in extrusion barrel (1-1), and there are two filtrate filter (1-11) is set, two filtrate filters (1-11) are equal It is fixedly connected in extrusion barrel (1-1), water hole (1-12) is equipped with multiple, and multiple water holes (1-12) are arranged at spacing board On (1-10), filtrate (1-13) is arranged between two filtrate filters (1-11)；Pressing mechanism (2) and mounting plate (1-2) and bottom Plate (1-4) is fixedly connected with, and pressing mechanism (2) and spacing board (1-10) are rotatablely connected, and filtrate addition door (3), which is rotatably connected on, to be added Add on a rotating seat (1-7), door lock (4) is rotatably connected on door lock seat (1-5), and filtrate addition door (3) is affixed with door lock (4) It closes.

2. mechanical filter according to claim 1, it is characterised in that: the pressing mechanism (2) includes spinning blade (2-1), axis (2-2), cover board (2-3), water inlet pipe (2-4), drive pulley (2-5), electrical machine belt pulley (2-6) and motor (2- are squeezed 7), water inlet pipe (2-4) is fixedly connected on cover board (2-3), and cover board (2-3) is sealedly and fixedly connected on mounting plate (1-2), is squeezed Axis (2-2) is rotatably connected on cover board (2-3), and the right end for squeezing axis (2-2) is rotatably connected on spacing board (1-10), transmission belt Wheel (2-5) is fixedly connected on the left end for squeezing axis (2-2), and spinning blade (2-1), which is fixedly connected on, to be squeezed on axis (2-2), spinning Blade (2-1) is rotatably connected in extrusion barrel (1-1), and electrical machine belt pulley (2-6) is fixedly connected on motor (2-7) output shaft, electricity Machine (2-7) is fixedly connected on bottom plate (1-4), and electrical machine belt pulley (2-6) is connect with drive pulley (2-5) by V belt translation.

3. mechanical filter according to claim 2, it is characterised in that: filtrate addition door (3) includes arc-shaped door Plate (3-1), arc sealing-plug (3-2), arc-shaped door swivel base (3-3), arc door pivot (3-4), connecting plate (3-5), locking plate (3- 6) and knob (3-7), arc sealing-plug (3-2) are fixedly connected on arc door-plate (3-1) inner wall, and arc-shaped door swivel base (3-3) is equipped with Two, two arc-shaped door swivel bases (3-3) are fixedly connected in the rear end of arc door-plate (3-1), and arc door pivot (3-4) rotation connects It connects in addition door rotating seat (1-7), two arc-shaped door swivel bases (3-3) are rotatably connected on the two of arc door pivot (3-4) respectively End, connecting plate (3-5) are fixedly connected on the front end of arc door-plate (3-1), and locking plate (3-6) is fixedly connected on connecting plate (3-5) On, knob (3-7) is fixedly connected on connecting plate (3-5), and arc door-plate (3-1) fits with extrusion barrel (1-1), locking plate (3-6) fits with door lock (4).

4. mechanical filter according to claim 3, it is characterised in that: the door lock (4) includes hook jam plate (4- 1), shaft (4-2), unlocking rod (4-3) and spring (4-4), shaft (4-2) are rotatably connected on door lock seat (1-5), hook jam plate (4-1) is rotatably connected on shaft (4-2), and unlocking rod (4-3) is fixedly connected on hook jam plate (4-1), and the one of spring (4-4) End is fixedly connected in spring mounting hole (1-5-1), and the other end of spring (4-4) is fixedly connected on hook jam plate (4-1), hook Type jam plate (4-1) fits with jam plate baffle (1-6), and jam plate (4-1) fits with locking plate (3-6), on hook jam plate (4-1) End is equipped with inclined-plane.

5. mechanical filter according to claim 4, it is characterised in that: the spinning blade outer end (2-1) and extruding Bucket (1-1) inner wall fitting.

6. mechanical filter according to claim 5, it is characterised in that: the water inlet pipe (2-4) is equipped with switch valve Door.