CN212594286U

CN212594286U - Filter core suitable for cross-flow filtration

Info

Publication number: CN212594286U
Application number: CN202021074754.9U
Authority: CN
Inventors: 彭名睿; 王再雄
Original assignee: Nanjing Xiong Kai Filter Equipment Co ltd
Current assignee: Nanjing Xiong Kai Filter Equipment Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-26
Anticipated expiration: 2030-06-11

Abstract

The utility model relates to the technical field of filtration, and a filter core suitable for cross-flow filtration is disclosed, including outer filtering layer, interior filtering layer, upper end cover and lower end cover, interior filtering layer is located and sets up in the outer filtering layer, and be connected through upper end cover and lower end cover between interior filtering layer and the outer filtering layer, the upper end cover comprises inner cup and outer joint connection, the upper surface fixed connection of outer joint and upper end cover, the top of outer filtering layer and interior filtering layer all is connected with the lower surface fixed connection of inner cup, the outer joint is connected with the outer pipe through pipeline docking mechanism, the lower end cover comprises inner ring and outer loop connection, be connected through a plurality of evenly distributed's branch between inner ring and the outer loop, the bottom of outer filtering layer and the top of outer loop are along limit fixed connection, the bottom of inner filtering layer and the top of inner ring are along limit fixed connection; the pipeline butt joint mechanism comprises an annular plug fixedly sleeved on the outer pipe wall at the end part of the external pipe. The utility model discloses not only effectively improve the filtration efficiency of filter core, make the difficult emergence of filter core block up moreover.

Description

Filter core suitable for cross-flow filtration

Technical Field

The utility model relates to a filter technical field especially relates to a filter core suitable for cross-flow filtration.

Background

The sintered metal powder filter element is installed in a liquid or gas filter and is used for removing particle impurities in gas or liquid. Traditional sintering metal powder filter core adopts the outer filtration form of advancing interior play, and impurity gathering only is equipped with single axial through channel hole in the filter core on the surface of filter core, and not only filter area is little, and along with the time lapse, the impurity of gathering at the filter core surface can block the filter core very fast moreover, consequently, need frequently change the washing filter core, reduces work efficiency and increase running cost simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the sintered metal powder filter element is easy to block in the prior art, and providing a filter element suitable for cross flow filtration.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the filter element suitable for cross-flow filtration comprises an outer filter layer, an inner filter layer, an upper end cover and a lower end cover, wherein the inner filter layer is arranged in the outer filter layer, the inner filter layer is connected with the outer filter layer through the upper end cover and the lower end cover, the upper end cover is formed by connecting an inner cover and an outer joint, the outer joint is fixedly connected with the upper surface of the upper end cover, the top ends of the outer filter layer and the inner filter layer are fixedly connected with the lower surface of the inner cover, the outer joint is connected with an outer pipe through a pipeline butt joint mechanism, the lower end cover is formed by connecting an inner ring and an outer ring, the inner ring is connected with the outer ring through a plurality of uniformly distributed support rods, the bottom end of the outer filter layer is fixedly connected with the top edge of the outer ring, and the bottom end of the inner filter layer is fixedly connected with the top edge of the inner.

Preferably, pipeline docking mechanism is including fixed the annular stopper of cup jointing on the outer pipe wall of outer takeover tip, outer takeover tip extends to in the outer joint, and annular stopper suits with the outer joint, be equipped with the screw thread on the lateral wall of outer joint, and outer takeover outside screw thread has cup jointed the screw sleeve that matches, fixedly connected with bearing in the screw sleeve, and the bearing housing is established and is taken over to set up on the outer takeover, the outer takeover is rotated with the bearing and is connected, and the outer pipe wall of outer takeover and the inner circle fixed connection of bearing.

Preferably, the outer filter layer and the inner filter layer are both sintered metal powder filter elements.

Preferably, a plurality of staggered holes are formed in the inner cover, and the bottom end of the inner ring is of a sealing structure.

Preferably, the lantern ring has been cup jointed in the outside activity of outer joint, and the lantern ring is located the setting of screw sleeve below, the inner circle symmetry fixedly connected with slider of the lantern ring, the spout has been seted up to the symmetry on the lateral wall of outer joint, and slider and spout sliding connection, the bottom edge symmetry fixedly connected with spring of the lantern ring, the other end of spring and the last fixed surface of inner cup are connected, the top edge symmetry fixedly connected with fixture block of the lantern ring, the draw-in groove has been seted up to screw sleeve's bottom edge symmetry, and fixture block and draw-in groove block set up.

Preferably, the outer cylinder wall of the threaded sleeve is provided with anti-skid threads.

Preferably, the cross-sectional inner diameters of the outer filter layer and the inner filter layer are equal to the cross-sectional inner diameters of the outer ring and the inner ring, respectively.

Preferably, a ball groove is formed in one side, close to the bottom of the sliding groove, of the sliding block, a ball is installed in the ball groove, and one end, far away from the bottom of the ball groove, of the ball penetrates through a groove opening of the ball groove and extends outwards and is in rolling connection with the bottom of the sliding groove.

Preferably, the groove diameter of the ball groove notch is smaller than the ball diameter of the ball.

Compared with the prior art, the utility model provides a be applicable to filterable filter core of cross-flow possesses following beneficial effect:

1. the filter element suitable for cross-flow filtration is provided with an outer filter layer, an inner cover, cross flow holes, an outer joint, an inner ring, an outer ring, an annular plug, a threaded sleeve and a bearing, wherein liquid to be filtered passes through the plurality of cross flow holes so as to conveniently carry out high-speed flow distribution on the liquid, the liquid after flow distribution carries out cross flow in a channel formed by the outer filter layer and the inner filter layer in a matching way, so that not only is the filtering area effectively increased, but also impurities obtained after filtration are directly washed down under the flowing of the liquid so as to effectively avoid the blockage of the filter element, the outer joint is inserted into the outer joint, the annular plug effectively ensures the sealing property of the splicing part, the threaded sleeve is rotated to be connected with the outer joint in a threaded way, the outer joint and the outer joint can be installed, the threaded sleeve is rotated, the outer joint is horizontally moved under the driving of the bearing, and the disassembly can, thereby make between external joint and the external pipe conveniently carry out quick assembly disassembly as required.

2. This filter core suitable for cross-flow filtration, through setting up the threaded sleeve, the lantern ring, the slider, the spout, a spring, fixture block and draw-in groove, threaded sleeve and external joint threaded connection back, push down lantern ring compression spring, drive the slider and slide along the spout, rotate threaded sleeve to suitable position, loosen the lantern ring, the spring drives it and takes place to reset, make the fixture block on lantern ring top edge and the draw-in groove looks block on threaded sleeve bottom edge, can restrict threaded sleeve's rotational degree of freedom, avoid threaded sleeve to take place to become flexible and influence the stability of connecting.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses not only effectively improve the filtration efficiency of filter core, make the difficult emergence of filter core to block up moreover.

Drawings

Fig. 1 is a schematic structural diagram of a filter element suitable for cross-flow filtration according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural view of a connecting portion between an inner cover and an outer joint of a filter element suitable for cross-flow filtration according to the present invention;

fig. 4 is a schematic structural diagram of a connecting portion between an inner ring and an outer ring of a filter element suitable for cross-flow filtration according to the present invention.

In the figure: the filter comprises an outer filter layer 1, an inner filter layer 2, an upper end cover 3, a lower end cover 4, an outer connecting pipe 5, a support rod 6, an annular plug 7, a threaded sleeve 8, a bearing 9, a staggered hole 10, a lantern ring 11, a sliding block 12, a sliding groove 13, a spring 14, a clamping block 15, a clamping groove 16 and a ball 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a filter core suitable for cross-flow filtration, including outer filter layer 1, interior filter layer 2, upper end cover 3 and lower end cover 4, interior filter layer 2 is located and sets up in outer filter layer 1, and be connected through upper end cover 3 and lower end cover 4 between interior filter layer 2 and the outer filter layer 1, upper end cover 3 is connected by inner cup 31 and outer joint 32 and constitutes, outer joint 32 is connected with the upper surface fixed connection of upper end cover 3, the top of outer filter layer 1 and interior filter layer 2 all is connected with the lower fixed surface of inner cup 31, outer joint 32 is connected with outer takeover 5 through pipeline docking mechanism, lower end cover 4 is connected by inner ring 41 and outer loop 42 and constitutes, be connected through a plurality of evenly distributed's branch 6 between inner ring 41 and the outer loop 42, the bottom of outer filter layer 1 and the top edgewise fixed connection of outer loop 42, the bottom of interior filter layer 2 and the top edgewise fixed connection of inner ring 41.

The pipeline butt joint mechanism comprises an annular plug 7 fixedly sleeved on the outer pipe wall of the end part of the outer pipe 5, the end part of the outer pipe 5 extends into the outer joint 32, the annular plug 7 is matched with the outer joint 32, the outer side wall of the outer joint 32 is provided with threads, the outer threads of the outer joint 32 are sleeved with matched threaded sleeves 8, the threaded sleeves 8 are internally and fixedly connected with bearings 9, the bearings 9 are sleeved on the outer pipe 5, the outer pipe 5 is rotatably connected with the bearings 9, the outer pipe wall of the outer pipe 5 is fixedly connected with the inner rings of the bearings 9, liquid to be filtered passes through a plurality of cross flow holes 10, so that the liquid is conveniently split at a high speed, the split liquid passes through a channel formed by the outer filter layer 1 and the inner filter layer 2 to perform cross flow, the filter area is effectively increased, the filtered impurities are directly flushed down under the flow of the liquid, and the filter element blockage is effectively avoided, insert the outer joint 32 with outer takeover 5 in, the leakproofness of grafting department is effectively guaranteed to annular stopper 7, rotate threaded sleeve 8 and make its and outer joint 32 threaded connection, can accomplish the installation of outer takeover 5 and outer joint 32, rotate threaded sleeve 8, under the drive of bearing 9, make outer takeover 5 horizontal migration, separate with outer joint 32 when outer takeover 5, can accomplish the dismantlement, thereby make and conveniently carry out quick assembly disassembly as required between outer joint 32 and the outer takeover 5.

The outer filter layer 1 and the inner filter layer 2 are both sintered metal powder filter elements, and the structural strength of the outer filter layer 1 and the inner filter layer 2 is guaranteed.

The inner cover 31 is provided with a plurality of staggered holes 10, and the bottom end of the inner ring 41 is a sealing structure.

The outer side of the outer joint 32 is movably sleeved with a lantern ring 11, the lantern ring 11 is arranged below the threaded sleeve 8, the inner ring of the lantern ring 11 is symmetrically and fixedly connected with a sliding block 12, the outer side wall of the outer joint 32 is symmetrically provided with sliding grooves 13, the sliding block 12 is in sliding connection with the sliding grooves 13, the bottom edge of the lantern ring 11 is symmetrically and fixedly connected with a spring 14, the other end of the spring 14 is fixedly connected with the upper surface of the inner cover 31, the top edge of the lantern ring 11 is symmetrically and fixedly connected with a clamping block 15, the bottom edge of the threaded sleeve 8 is symmetrically provided with clamping grooves 16, the clamping block 15 is clamped with the clamping grooves 16, after the threaded sleeve 8 is in threaded connection with the outer joint 32, the lantern ring 11 is pressed downwards to compress the spring 14, the sliding block 12 is driven to slide downwards along the sliding grooves 13, the threaded sleeve 8 is rotated to a proper position, the lantern ring 11 is loosened, the spring 14 drives the threaded, can restrict the rotational degree of freedom of the threaded sleeve 8 and avoid the threaded sleeve 8 from loosening and influencing the connection stability.

The outer cylinder wall of the threaded sleeve 8 is provided with anti-slip threads, so that the adhesive force is increased, and the threaded sleeve 8 is conveniently controlled to rotate.

The inner diameters of the cross sections of the outer filter layer 1 and the inner filter layer 2 are equal to the inner diameters of the cross sections of the outer ring 42 and the inner ring 41, respectively.

The ball groove has been seted up to one side that slider 12 is close to spout 13 tank bottom, and installs ball 17 in the ball groove, and ball 17 keeps away from the one end of ball groove tank bottom and passes the notch in ball groove and outwards extend, and with the tank bottom rolling connection of spout 13, reduces the frictional force between slider 12 and the spout 13.

The groove diameter of the ball groove opening is smaller than the ball diameter of the ball 17, so that the ball 17 is prevented from being separated from the ball groove, and the stability of rolling connection is ensured.

The utility model discloses in, the liquid that treats the filtration passes through a plurality of cross flow holes 10, thereby conveniently carry out the high-speed reposition of redundant personnel to liquid, the liquid after the reposition of redundant personnel carries out the cross flow through the passageway that outer filter layer 1 cooperation inner filter layer 2 formed, not only effectively improve filter area, and filter the impurity that gets off, directly dash down under the flow of liquid, thereby effectively avoid the filter core to take place to block up, insert outer takeover 5 in outer joint 32, annular stopper 7 effectively guarantees the leakproofness of grafting department, rotate threaded sleeve 8 and make it and outer joint 32 threaded connection, can accomplish the installation of outer takeover 5 and outer joint 32, rotate threaded sleeve 8, under the drive of bearing 9, make outer takeover 5 horizontal migration, when outer takeover 5 separates with outer joint 32, can accomplish the dismantlement, thereby make between outer joint 32 and the outer takeover 5 conveniently carry out quick dismouting as required; after the threaded sleeve 8 and the outer 32 threaded connection of joint, the 11 compression spring 14 of lantern ring pushes down, drive slider 12 along spout 13 gliding, rotate threaded sleeve 8 to suitable position, loosen lantern ring 11, spring 14 drives it and takes place to reset, make the fixture block 15 on 11 tops of lantern ring edgewise and the draw-in groove 16 looks block on 8 bottom edges of threaded sleeve, can restrict threaded sleeve 8's rotational degree of freedom, avoid threaded sleeve 8 to take place not hard up and influence the stability of connecting.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A filter element suitable for cross-flow filtration comprises an outer filter layer (1), an inner filter layer (2), an upper end cover (3) and a lower end cover (4), and is characterized in that the inner filter layer (2) is arranged in the outer filter layer (1), the inner filter layer (2) is connected with the outer filter layer (1) through the upper end cover (3) and the lower end cover (4), the upper end cover (3) is formed by connecting an inner cover (31) and an outer joint (32), the outer joint (32) is fixedly connected with the upper surface of the upper end cover (3), the top ends of the outer filter layer (1) and the inner filter layer (2) are fixedly connected with the lower surface of the inner cover (31), the outer joint (32) is connected with an outer connecting pipe (5) through a pipeline butt joint mechanism, the lower end cover (4) is formed by connecting an inner ring (41) and an outer ring (42), and the inner ring (41) is connected with the outer ring (42) through a plurality of uniformly distributed support rods (6), the bottom end of the outer filter layer (1) is fixedly connected with the top edge of the outer ring (42), and the bottom end of the inner filter layer (2) is fixedly connected with the top edge of the inner ring (41).

2. The filter element suitable for cross-flow filtration according to claim 1, wherein the pipeline butt joint mechanism comprises an annular plug (7) fixedly sleeved on an outer pipe wall of an end portion of the outer joint pipe (5), the end portion of the outer joint pipe (5) extends into the outer joint (32), the annular plug (7) is adapted to the outer joint (32), a thread is arranged on an outer side wall of the outer joint (32), a matched thread sleeve (8) is sleeved on an outer side thread of the outer joint (32), a bearing (9) is fixedly connected in the thread sleeve (8), the bearing (9) is sleeved on the outer joint pipe (5), the outer joint pipe (5) is rotatably connected with the bearing (9), and an outer pipe wall of the outer joint pipe (5) is fixedly connected with an inner ring of the bearing (9).

3. A filter element suitable for cross-flow filtration according to claim 1, wherein the outer filter layer (1) and the inner filter layer (2) are both sintered metal powder filter elements.

4. A filter element suitable for cross-flow filtration according to claim 1, wherein the inner cover (31) is provided with a plurality of cross-flow holes (10), and the bottom end of the inner ring (41) is provided with a sealing structure.

5. A filter insert suitable for cross-flow filtration according to claim 2, wherein the outer side of the outer joint (32) is movably sleeved with a collar (11), the lantern ring (11) is arranged below the threaded sleeve (8), the inner ring of the lantern ring (11) is symmetrically and fixedly connected with the sliding blocks (12), the outer side wall of the outer joint (32) is symmetrically provided with the sliding grooves (13), the sliding block (12) is connected with the sliding groove (13) in a sliding way, the bottom end edge of the lantern ring (11) is symmetrically and fixedly connected with a spring (14), the other end of the spring (14) is fixedly connected with the upper surface of the inner cover (31), the top edge of the lantern ring (11) is symmetrically and fixedly connected with clamping blocks (15), clamping grooves (16) are symmetrically formed in the bottom end of the threaded sleeve (8) along the edge, and the clamping blocks (15) are clamped with the clamping grooves (16).

6. A filter element suitable for cross-flow filtration according to claim 2, wherein the outer cylindrical wall of the threaded sleeve (8) is provided with anti-slip threads.

7. A filter cartridge suitable for cross-flow filtration according to claim 1, wherein the cross-sectional inner diameters of the outer (1) and inner (2) filter layers are equal to the cross-sectional inner diameters of the outer (42) and inner (41) rings, respectively.

8. A filter element suitable for cross-flow filtration according to claim 5, wherein the slide block (12) is provided with a ball groove at one side close to the bottom of the slide groove (13), and a ball (17) is mounted in the ball groove, and one end of the ball (17) far away from the bottom of the ball groove passes through the notch of the ball groove and extends outwards and is in rolling connection with the bottom of the slide groove (13).

9. A filter insert suitable for cross-flow filtration according to claim 8, wherein the groove diameter of the ball groove opening is smaller than the ball diameter of the ball (17).