CN212523166U - Variable precision filter screen - Google Patents
Variable precision filter screen Download PDFInfo
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- CN212523166U CN212523166U CN202021551775.5U CN202021551775U CN212523166U CN 212523166 U CN212523166 U CN 212523166U CN 202021551775 U CN202021551775 U CN 202021551775U CN 212523166 U CN212523166 U CN 212523166U
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Abstract
The utility model relates to a variable-precision filter screen, which comprises an outer chassis, a plurality of foundation rings and a self-locking adjusting mechanism, wherein the foundation rings are sequentially arranged above the outer chassis from top to bottom; the self-locking adjusting mechanism is arranged on the outer chassis, each foundation ring is connected and fixed with the self-locking adjusting mechanism, and the distance between the outer chassis and the adjacent foundation ring and the distance between the adjacent two foundation rings are adjusted through the self-locking adjusting mechanism. The beneficial effects are that: the self-locking adjusting mechanism is introduced, the outer chassis and the foundation rings are connected with the outer chassis, and the distance between the outer chassis and the foundation ring adjacent to the outer chassis and the distance between the two adjacent foundation rings are adjusted through the self-locking adjusting mechanism during field application so as to achieve the expected distance, thereby achieving the purpose of adjusting the precision of the filter screen and enabling the filter screen to be suitable for various working condition requirements.
Description
Technical Field
The utility model relates to a sewage filtration technology field, concretely relates to variable precision filter screen.
Background
Need use the filter screen to filter in the sewage filtration process in environmental protection and scientific research field, the filter screen all is the design of fixed precision at present, and when the operating mode needs filter fineness to change, can only take to change the filter screen that corresponds the precision and realize, more can not adjust filter fineness on line.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a variable precision filter screen is provided to overcome not enough among the above-mentioned prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a variable-precision filter screen comprises an outer chassis, a plurality of foundation rings and a self-locking adjusting mechanism, wherein the foundation rings are sequentially arranged above the outer chassis from top to bottom; the self-locking adjusting mechanism is arranged on the outer chassis, each foundation ring is connected and fixed with the self-locking adjusting mechanism, and the distance between the outer chassis and the foundation ring adjacent to the outer chassis and the distance between the two adjacent foundation rings are adjusted through the self-locking adjusting mechanism.
The utility model has the advantages that: the self-locking adjusting mechanism is introduced, the outer chassis and the foundation rings are connected with the outer chassis, and the distance between the outer chassis and the foundation ring adjacent to the outer chassis and the distance between the two adjacent foundation rings are adjusted through the self-locking adjusting mechanism during field application so as to achieve the expected distance, thereby achieving the purpose of adjusting the precision of the filter screen and enabling the filter screen to be suitable for various working condition requirements.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the self-locking adjusting mechanism comprises an inner chassis, a telescopic rod, an outer rotating disk, an inner rotating disk, a self-locking adjusting assembly and a connecting rod, wherein the outer rotating disk is arranged above the outer chassis, the inner rotating disk is movably arranged in the inner cavity of the outer rotating disk, the inner rotating disk is movably arranged in the inner cavity of the outer chassis, and all the basic rings are sequentially arranged between the inner rotating disk and the inner rotating disk from top to bottom; an inlet a is arranged on the area surrounded by the inner rotating disc and opposite to the base ring, and an inlet b is arranged on the outer rotating disc and opposite to the inlet a; the upper ends of the connecting rods are connected with the outer rotating disc, and the lower ends of the connecting rods sequentially penetrate through the odd-numbered layers of foundation rings and then are connected with the outer bottom disc; the upper ends of the telescopic rods are connected with the inner rotating disc, and the lower ends of the telescopic rods sequentially penetrate through the foundation rings on the even number layers and then are connected with the inner bottom disc; a plurality of self-locking adjusting components for realizing the distance adjustment are arranged between the inner rotating disk and the foundation ring adjacent to the inner rotating disk, between two adjacent foundation rings and between the inner chassis and the foundation ring adjacent to the inner chassis.
Adopt above-mentioned further beneficial effect to do: because the upper end of part of the telescopic rod is connected with the outer rotating disc, the lower end of the part of the telescopic rod penetrates through the odd layers of foundation rings in sequence and then is connected with the outer chassis; the upper end of part telescopic link links to each other with interior rolling disc, and its lower extreme links to each other with interior bottom disc after passing the basic ring of even number layer in proper order for whole structure is established ties each other, and when rotatory self-locking adjusting component, can synchronous adjustment interior rotary disk and with between the adjacent basic ring of interior rolling disc, between two adjacent basic rings and interior bottom disc and with the adjacent basic ring of interior bottom disc between the interval, guarantee the uniformity of clearance size everywhere, thereby guarantee filter screen whole filter accuracy.
Furthermore, the self-locking adjusting mechanism also comprises elastic components, and the elastic components are arranged between the upper end surface of the inner rotating disk and the top wall of the outer rotating disk and between the lower end surface of the inner chassis and the bottom wall of the outer chassis;
the self-locking adjusting assembly comprises an upper adjusting block and a lower adjusting block, a plurality of notches are formed in the lower end face of the upper adjusting block, the heights of the bottoms of all notches from the horizontal plane are different, the upper end of the lower adjusting block is located in one of the notches, the distance from the lower end face of the lower adjusting block to the lower end face of the upper adjusting block is different when the upper end of the lower adjusting block is located in different notches, and the lower adjusting block and the upper adjusting block rotate relatively to enable the upper end of the lower adjusting block to be located in different notches, so that the distance adjustment is realized; all the upper adjusting blocks and the lower adjusting blocks positioned on the same layer are distributed in a circular shape, and the formed circles are coaxial with the basic ring;
the upper adjusting block and the lower adjusting block are respectively and fixedly arranged on the inner rotating disk and the foundation ring adjacent to the inner rotating disk,
or the like, or, alternatively,
the upper adjusting block and the lower adjusting block are respectively and fixedly arranged on the two adjacent basic rings,
or the like, or, alternatively,
the upper adjusting block and the lower adjusting block are respectively and fixedly arranged on the foundation ring and the inner chassis which are adjacent to the inner chassis.
Adopt above-mentioned further beneficial effect to do: when the filter screen precision adjustment, only need let the upper end of lower regulating block be in the different notches of last regulating block can, it is very convenient, in addition, the cooperation form between lower regulating block and the last regulating block can prevent relative slip, guarantees the precision.
Furthermore, the lower end surface of the upper adjusting block is an inclined surface a, each notch is formed by two intersecting surfaces, one surface is an inclined surface b, the other surface is a vertical surface, the directions of the inclined surface a and the inclined surface b are the same, the upper end surface of the lower adjusting block is an inclined surface c, and the inclined surface c is parallel to the inclined surface b.
Adopt above-mentioned further beneficial effect to do: when the filter screen precision adjustment, to slightly big clearance adjustment, let interior rotary disk, the basis ring on even layer and interior chassis rotate according to the predetermined direction for the basis ring on odd layer for the upper end of regulating block slides on the last regulating block correspond the notch in can, to slightly little clearance adjustment, upwards promote interior rotary disk and the basis ring that has the last regulating block, then interior rotary disk and basis ring of opposite direction rotation, make the upper end of lower regulating block get into on the regulating block correspond the notch in can.
Further, the elastic component is an elastic sealing ring.
Adopt above-mentioned further beneficial effect to do: not only can ensure the longitudinal displacement and stress, but also can ensure the sealing performance.
Furthermore, a plurality of lugs a are arranged on the inner circumferential surface of the base ring positioned on the odd-numbered layer, and through holes for the corresponding connecting rods to pass through are formed in the lugs a.
Adopt above-mentioned further beneficial effect to do: the connecting rod is convenient to install.
Furthermore, a plurality of lugs b are arranged on the outer circumferential surface of the base ring positioned on the even layers, and through holes for the corresponding telescopic rods to pass through are formed in the lugs b.
Adopt above-mentioned further beneficial effect to do: the installation of the telescopic rod is convenient.
Drawings
Fig. 1 is a perspective view of the variable-precision filter screen of the present invention;
fig. 2 is a partial cross-sectional view of a variable precision screen according to the present invention;
fig. 3 is a partially enlarged view of fig. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1. outer chassis, 2, basic ring, 210, lug a, 220, lug b, 3, self-locking adjusting mechanism, 310, inner chassis, 320, telescopic rod, 330, outer rotating disc, 331, entrance b, 340, self-locking adjusting component, 341, upper adjusting block, 3411, notch, 342, lower adjusting block, 350, elastic component, 360, inner rotating disc, 361, entrance a, 370 and connecting rod.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1 to 3, a variable-precision filter screen comprises an outer chassis 1, a plurality of foundation rings 2 and a self-locking adjusting mechanism 3, wherein the plurality of foundation rings 2 are sequentially arranged above the outer chassis 1 from top to bottom; the self-locking adjusting mechanism 3 is arranged on the outer chassis 1, each base ring 2 is connected and fixed with the self-locking adjusting mechanism 3, and the distance between the outer chassis 1 and the base ring 2 adjacent to the outer chassis 1 and the distance between the two adjacent base rings 2 are adjusted through the self-locking adjusting mechanism 3.
Example 2
As shown in fig. 1 to fig. 3, this embodiment is a further improvement on embodiment 1, and is specifically as follows:
the self-locking adjusting mechanism 3 comprises an inner chassis 310, a telescopic rod 320, an outer rotating disk 330, an inner rotating disk 360, a self-locking adjusting assembly 340 and a connecting rod 370, wherein the outer rotating disk 330 is arranged above the outer chassis 1, the inner rotating disk 360 is movably arranged in the inner cavity of the outer rotating disk 330, under normal circumstances, the inner cavity of the outer rotating disk 330 is cylindrical, the inner rotating disk 360 is annular, the inner rotating disk 360 and the outer rotating disk 330 are coaxially arranged, the inner bottom disk 310 is movably arranged in the inner cavity of the outer chassis 1, under normal circumstances, the inner cavity of the outer chassis 1 is cylindrical, the inner bottom disk 310 is annular, the inner bottom disk 310 and the outer bottom disk 1 are coaxially arranged, and all the foundation rings 2 are sequentially arranged between the inner rotating disk 360 and the inner bottom disk 310 from; an inlet a361 is arranged on the area surrounded by the inner rotating disc 360, which is opposite to the base ring 2, and an inlet b331 is arranged on the outer rotating disc 330, which is opposite to the inlet a 361; the upper ends of the connecting rods 370 are connected with the outer rotating disc 330, and the lower ends thereof are connected with the outer bottom disc 1 after sequentially passing through the base rings 2 of odd-numbered layers; the upper ends of the plurality of telescopic rods 320 are connected with the inner rotating disc 360, and the lower ends of the telescopic rods sequentially penetrate through the foundation rings 2 on the even number layers and then are connected with the inner bottom disc 310; a plurality of self-locking adjusting components 340 for realizing the distance adjustment are arranged between the inner rotating disk 360 and the base ring 2 adjacent to the inner rotating disk 360, between two adjacent base rings 2 and between the inner chassis 310 and the base ring 2 adjacent to the inner chassis 310, all the self-locking adjusting components 340 on each layer are circularly arranged, and the formed circle and the base ring 2 share the same axis.
Example 3
As shown in fig. 1 to fig. 3, this embodiment is a further improvement on embodiment 2, and is specifically as follows:
the self-locking adjusting mechanism 3 further comprises elastic components 350, and the elastic components 350 are arranged between the upper end surface of the inner rotating disc 360 and the top wall of the outer rotating disc 330 and between the lower end surface of the inner chassis 310 and the bottom wall of the outer chassis 1;
the self-locking adjusting assembly 340 comprises an upper adjusting block 341 and a lower adjusting block 342, a plurality of notches 3411 are arranged on the lower end surface of the upper adjusting block 341, the heights of the bottoms of all the notches 3411 from the same horizontal plane are different, the upper end of the lower adjusting block 342 is positioned in one of the notches 3411, and the distances from the lower end surface (of the lower adjusting block 342) to the lower end surface of the upper adjusting block 341 are different when the upper end of the lower adjusting block 342 is positioned in different notches 3411; the lower adjusting block 342 and the upper adjusting block 341 rotate relatively to each other, so that the upper end of the lower adjusting block 342 is positioned in different notches 3411 to realize the distance adjustment, all the upper adjusting blocks 341 and the lower adjusting blocks 342 positioned on the same layer are distributed in a circular shape, and the formed circle is coaxial with the base ring 2;
the upper adjusting block 341 and the lower adjusting block 342 are respectively and fixedly arranged on the inner rotating disk 360 and the base ring 2 adjacent to the inner rotating disk 360, when the height of the whole formed by the lower adjusting block 342 and the lower adjusting block 342 is reduced, the distance between the inner rotating disk 360 and the base ring 2 adjacent to the inner rotating disk 360 is reduced, otherwise, the distance is increased;
or the like, or, alternatively,
the upper adjusting block 341 and the lower adjusting block 342 are respectively and fixedly arranged on the two adjacent base rings 2, and when the height of the whole formed by the lower adjusting block 342 and the lower adjusting block 342 is reduced, the distance between the two adjacent base rings 2 is reduced, otherwise, the distance is increased;
or the like, or, alternatively,
the upper adjusting block 341 and the lower adjusting block 342 are respectively and fixedly arranged on the base ring 2 and the inner chassis 310 adjacent to the inner chassis 310, and when the height of the whole formed by the lower adjusting block 342 and the lower adjusting block 342 is reduced, the distance between the base ring 2 and the inner chassis 310 adjacent to the inner chassis 310 is reduced, otherwise, the distance is increased;
when the pitch becomes smaller, the filtration accuracy of the constructed screen will become larger, and when the pitch becomes larger, the filtration accuracy of the constructed screen will become smaller.
Example 4
As shown in fig. 1 to fig. 3, this embodiment is a further improvement on embodiment 3, and is specifically as follows:
the lower end surface of the upper adjusting block 341 is an inclined surface a, each notch 3411 is formed by two intersecting surfaces, one of the surfaces is an inclined surface b, the other surface is a vertical surface, the upper end of the inclined surface b intersects with the upper end of the vertical surface, the orientations of the inclined surface a and the inclined surface b are the same, the upper end surface of the lower adjusting block 342 is an inclined surface c, and the inclined surface c is parallel to the inclined surface b.
Example 5
As shown in fig. 1 to fig. 3, this embodiment is a further improvement on embodiment 3 or 4, and is specifically as follows:
the resilient member 350 is a resilient gasket.
Example 6
As shown in fig. 1 to 3, this embodiment is a further improvement on any one of embodiments 2 to 5, and specifically includes the following steps:
the inner circumferential surface of the base ring 2 located at the odd-numbered level is provided with a plurality of lugs a210, and the lugs a210 are provided with through holes for the corresponding connecting rods 370 to pass through.
Example 7
As shown in fig. 1 to 3, this embodiment is a further improvement on any one of embodiments 2 to 6, and specifically includes the following steps:
a plurality of lugs b220 are arranged on the outer circumferential surface of the base ring 2 at the even number of layers, and through holes for the corresponding telescopic rods 320 to pass through are arranged on the lugs b 220.
For embodiment 3, the upper adjusting block 341 and the lower adjusting block 342 may be matched not by the above-mentioned engaging manner, but by a screw connection manner, at this time, the inner side surface of the upper adjusting block 341 is an arc surface, the arc surface is provided with a screw thread, the outer side surface of the lower adjusting block 342 is an arc surface, the arc surface is provided with a screw thread, the screw thread on the inner side surface of the upper adjusting block 341 is engaged with the screw thread on the outer side surface of the lower adjusting block 342, because the plurality of upper adjusting blocks 341 and the plurality of lower adjusting blocks 342 are respectively provided between the inner rotating disk 360 and the base ring 2 adjacent to the inner rotating disk 360, between the two adjacent base rings 2, and between the inner chassis 310 and the base ring 2 adjacent to the inner chassis 310, all the upper adjusting blocks 341 and the lower adjusting blocks 342 located on the same layer are distributed in a circular shape, and the circle formed is coaxial with the base ring 2, therefore, when the upper adjusting block 341 and the lower adjusting block 342 are relatively rotated, the height of the whole formed by the lower adjusting block 342 and the lower adjusting block 342 can be increased and decreased, and the distance can be increased and decreased in the process of increasing and decreasing.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. The variable-precision filter screen is characterized by comprising an outer chassis (1), a base ring (2) and a self-locking adjusting mechanism (3), wherein a plurality of base rings (2) are sequentially arranged above the outer chassis (1) from top to bottom; the self-locking adjusting mechanism (3) is arranged on the outer chassis (1), each foundation ring (2) is connected and fixed with the self-locking adjusting mechanism (3), and the distance between the outer chassis (1) and the foundation ring (2) adjacent to the outer chassis (1) and the distance between the two adjacent foundation rings (2) are adjusted through the self-locking adjusting mechanism (3).
2. The variable-precision filter screen according to claim 1, wherein the self-locking adjusting mechanism (3) comprises an inner chassis (310), an expansion link (320), an outer rotating disk (330), an inner rotating disk (360), a self-locking adjusting component (340) and a connecting rod (370), the outer rotating disk (330) is arranged above the outer chassis (1), the inner rotating disk (360) is movably arranged in an inner cavity of the outer rotating disk (330), the inner chassis (310) is movably arranged in an inner cavity of the outer chassis (1), and each base ring (2) is sequentially arranged between the inner rotating disk (360) and the inner chassis (310) from top to bottom; an inlet a (361) is arranged on the area surrounded by the inner rotating disc (360) facing the base ring (2), and an inlet b (331) is arranged on the outer rotating disc (330) facing the inlet a (361); the upper ends of the connecting rods (370) are connected with the outer rotating disc (330), and the lower ends of the connecting rods sequentially penetrate through the base rings (2) at odd layers and then are connected with the outer chassis (1); the upper ends of the telescopic rods (320) are connected with the inner rotating disc (360), and the lower ends of the telescopic rods sequentially penetrate through the foundation rings (2) on the even layers and then are connected with the inner chassis (310); a plurality of self-locking adjusting components (340) for adjusting the distance are arranged between the inner rotating disk (360) and the foundation ring (2) adjacent to the inner rotating disk (360), between two adjacent foundation rings (2) and between the inner chassis (310) and the foundation ring (2) adjacent to the inner chassis (310).
3. A variable precision screen according to claim 2 characterized in that the self locking adjustment mechanism (3) further comprises an elastic assembly (350), an elastic assembly (350) is provided between the upper end face of the inner rotary disk (360) and the top wall of the outer rotary disk (330) and between the lower end face of the inner chassis (310) and the bottom wall of the outer chassis (1);
the self-locking adjusting assembly (340) comprises an upper adjusting block (341) and a lower adjusting block (342), a plurality of notches (3411) are arranged on the lower end surface of the upper adjusting block (341), the heights of the bottoms of all the notches (3411) from the horizontal plane are different, the upper end of the lower adjusting block (342) is located in one of the notches (3411), the distances from the lower end surface of the lower adjusting block (342) to the lower end surface of the upper adjusting block (341) are different when the upper end of the lower adjusting block (342) is located in different notches (3411), and the lower adjusting block (342) and the upper adjusting block (341) rotate relatively to enable the upper end of the lower adjusting block (342) to be located in different notches (3411) to achieve spacing adjustment; all the upper adjusting blocks (341) and the lower adjusting blocks (342) positioned on the same layer are distributed in a circular shape, and the formed circles are coaxial with the basic ring (2);
the upper adjusting block (341) and the lower adjusting block (342) are respectively and fixedly arranged on the inner rotating disk (360) and a base ring (2) adjacent to the inner rotating disk (360),
or the like, or, alternatively,
the upper adjusting block (341) and the lower adjusting block (342) are respectively and fixedly arranged on two adjacent foundation rings (2),
or the like, or, alternatively,
the upper adjusting block (341) and the lower adjusting block (342) are respectively and fixedly arranged on the base ring (2) adjacent to the inner chassis (310) and the inner chassis (310).
4. A variable precision screen according to claim 3 wherein the lower end face of the upper adjustment block (341) is a bevel a and each slot (3411) is formed by two intersecting faces, one of which is a bevel b and the other of which is a vertical face, the bevel a being oriented in the same direction as the bevel b, and the upper end face of the lower adjustment block (342) being a bevel c parallel to the bevel b.
5. A variable precision screen according to claim 3 or 4 wherein the resilient member (350) is a resilient gasket.
6. A variable precision screen according to claim 2 characterized in that a plurality of lugs a (210) are provided on the inner circumferential surface of the base ring (2) in the odd number of layers, said lugs a (210) being provided with through holes for the passage of the corresponding tie rods (370).
7. The screen according to claim 2, characterized in that a plurality of lugs b (220) are provided on the outer circumferential surface of the base ring (2) in an even number of layers, and the lugs b (220) are provided with through holes for the corresponding telescopic rods (320) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021551775.5U CN212523166U (en) | 2020-07-30 | 2020-07-30 | Variable precision filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021551775.5U CN212523166U (en) | 2020-07-30 | 2020-07-30 | Variable precision filter screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212523166U true CN212523166U (en) | 2021-02-12 |
Family
ID=74517715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021551775.5U Active CN212523166U (en) | 2020-07-30 | 2020-07-30 | Variable precision filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212523166U (en) |
-
2020
- 2020-07-30 CN CN202021551775.5U patent/CN212523166U/en active Active
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