CN219177178U

CN219177178U - Filtering elbow

Info

Publication number: CN219177178U
Application number: CN202223453360.6U
Authority: CN
Inventors: 杨月洁
Original assignee: Zhejiang Good Fittings Co ltd
Current assignee: Zhejiang Good Fittings Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-13
Anticipated expiration: 2032-12-22

Abstract

The application relates to the technical field of elbows, especially, relate to a filter elbow, it includes elbow body and filter equipment, the elbow body includes import, export and passageway, import and export are located the both ends of elbow body respectively, passageway intercommunication import and export, filter equipment sets up in the elbow body and is close to import department, filter equipment includes the filter screen and cup joints in the coupling assembling in the filter screen outside, coupling assembling includes go-between, fixed cylinder, spring and fixed block, fixed cylinder and passageway inner wall butt, go-between fixed connection is close to import one end and external diameter is greater than the import diameter in fixed cylinder, the fixed slot that supplies the fixed block to place and gliding is offered to the fixed cylinder, wall fixed connection in spring one end and the fixed slot, the other end and fixed block fixed connection, the draw-in groove that supplies the fixed block card to go-between has been offered to the passageway inner wall. This application has the effect of easily changing the filter screen.

Description

Filtering elbow

Technical Field

The application relates to the technical field of elbows, in particular to a filtering elbow.

Background

The elbow is a common pipe fitting for changing the direction of a pipeline, and is widely used in pipeline systems in the industries of chemical industry, petroleum industry, water supply, water drainage, water heating industry, pharmacy industry, boiler industry, ship industry and the like. The bends are of many kinds, such as reducing bends, seamless bends, butt-welded bends, 90 bends, 45 bends, stamped bends, high-pressure bends, abrasion-resistant bends, etc., depending on the needs of the different pipes.

Chinese patent with bulletin number CN208295373U discloses an elbow water supply pipe fitting with filtering capability, it includes elbow body, first elbow connector, second elbow connector, first flange, second flange, coarse filtration layer and smart filter layer, and first flange is established in the one end of elbow body, and the other end at the elbow body is established to the second flange, and coarse filtration layer and smart filter layer all set up in the inside of elbow body, and coarse filtration layer is established and is being close to first flange one end, and smart filter layer is established and is being close to second flange one end, and first elbow connector is located one side of intaking, and second elbow connector is located one side of yielding water. When water passes through, the coarse filter layer can preliminarily filter sediment and sedimentation large-particle impurities in the water, and the fine filter layer can filter bacteria and microorganism impurities in the water, so that the water quality in the pipeline is ensured to reach the standard.

For the related technology, after a period of use, impurities are accumulated in the filter screen, the pipe fitting is detached, reverse high-pressure flushing is carried out, and the pipe fitting is replaced periodically. Because coarse filter screen and thin filter screen all set up inside the pipeline, be difficult to dismantle alone, so can only reach the purpose of changing the filter screen through changing the pipe fitting, cause the waste of elbow. Therefore, there is a problem in that the filter screen is difficult to be detached alone.

Disclosure of Invention

In order to be convenient for change the filter screen, this application provides a filter elbow, adopts following technical scheme:

the utility model provides a filter elbow, includes elbow body and filter equipment, the elbow body includes import, export and passageway, import and export are located the both ends of elbow body respectively, passageway intercommunication import and export, filter equipment sets up in the elbow body and is close to import department, filter equipment includes the filter screen and cup joints in the coupling assembling in the filter screen outside, coupling assembling includes go-between, fixed cylinder, spring and fixed block, fixed cylinder and passageway inner wall butt, go-between fixed cylinder fixedly connected is close to import one end and external diameter is greater than the import diameter in fixed cylinder, the fixed slot that supplies the fixed block to place and gliding is offered to the fixed cylinder, wall fixed connection in spring one end and the fixed slot, the other end and the fixed block fixed connection, the draw-in groove that supplies the fixed block card to go-between is offered to the passageway inner wall.

By adopting the technical scheme, the medium flows in through the inlet, impurities are filtered out through the filtering device, enter the channel, and finally flow into the next pipeline from the outlet. When the filter device is installed, one end of the fixed cylinder, which is far away from the connecting ring, is directly pushed into the elbow body from the inlet, and along with the pushing of the fixed cylinder, the fixed block is extruded by the inner wall of the channel so as to compress the spring, and when the fixed cylinder is pushed into the connecting ring to be abutted with the elbow body, the spring resets to push the fixed block into the clamping groove for fixing; when the filter screen is required to be cleaned or replaced, the filter device can be taken out only by holding the connecting ring to move in the direction away from the elbow body, and the operation is very simple and convenient. Meanwhile, compared with the filter screen arranged inside the channel, the filter device is arranged at the inlet and is convenient for disassembly and assembly.

Optionally, one end of the fixed block away from the connecting ring is provided with an installation inclined plane, and one end of the fixed block close to the connecting ring is provided with a disassembly inclined plane.

Through adopting above-mentioned technical scheme, be convenient for dismouting filter equipment, simultaneously, dismantle the inclined plane and can prevent that the fixed block from blocking and lead to dismantling the difficulty.

Optionally, the installation inclined plane and the dismantlement inclined plane are all fixedly connected with the abrasionproof pad.

By adopting the technical scheme, the abrasion of the surface of the fixed block and the inner wall of the channel caused by the extrusion of the fixed block and the inner wall of the channel can be avoided, and the service life of the fixed block is prolonged.

Optionally, a positioning groove is formed in the position, close to the inlet, of the elbow body, corresponding to the clamping groove, the connecting ring is fixedly connected with a positioning block corresponding to the fixing groove, and the positioning block can be clamped into the positioning groove.

Through adopting above-mentioned technical scheme, convenient to use person is to the location of fixed block and draw-in groove, when pushing into the fixed section of thick bamboo, aligns the locating piece positioning groove, can ensure that the fixed block blocks into the draw-in groove smoothly.

Optionally, the filter screen includes gauze layer, adsorbed layer and the filter membrane layer that sets gradually, gauze layer is located the fixed section of thick bamboo and is close to import one end.

By adopting the technical scheme, the gauze layer can filter impurities with larger particle diameters and prevent the impurities with larger particles from continuously entering the elbow body to cause abrasion on the inner wall of the channel; the adsorption layer can further adsorb gas impurities; the filter membrane layer can filter microorganism impurities such as bacteria and the like, and further ensures that the quality of flowing medium reaches the standard.

Optionally, the fixed cylinder includes filter screen portion and the filter membrane portion of being connected with filter screen portion, filter membrane portion inboard is connected with the filter membrane layer, gauze layer and adsorbed layer all are connected with filter screen portion.

By adopting the technical scheme, the gauze layer and the filter membrane layer are arranged separately because the cleaning modes of the gauze layer and the filter membrane layer are different. After the filter device is disassembled by a user, the filter screen part and the filter membrane part can be disassembled, so that the gauze layer and the filter membrane layer are separately cleaned, the filter membrane layer is thoroughly cleaned, and the filter function of the filter membrane layer is affected due to abrasion caused by improper cleaning.

Optionally, one end of the connecting ring far away from the fixed cylinder is fixedly connected with a sealing gasket.

Through adopting above-mentioned technical scheme, can ensure the connection leakproofness between elbow body and the other pipelines that are equipped with filter equipment, prevent extravasation and reveal.

Optionally, a diversion inclined plane is arranged at one end of the fixed cylinder far away from the connecting ring.

Through adopting above-mentioned technical scheme, the medium through the filter screen layer can flow away along the water conservancy diversion inclined plane, avoids appearing the dead angle in the passageway and breeds the bacterium.

Optionally, the inner wall of the channel is fixedly connected with a guide strip, one side of the guide strip is fixedly connected with a reinforcing strip, and the other side of the guide strip is provided with an arc-shaped groove.

By adopting the technical scheme, the flow guide strip can avoid turbulent flow phenomenon caused by medium flowing through the bending part; the arc-shaped groove can increase the contact area between the guide strip and the medium, and the stress of the guide strip is more uniform, so that the service life of the guide strip is prolonged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up the coupling assembling, realize the detachable connection of filter equipment and elbow body, the user of being convenient for washs or changes the filter screen, and need not to change whole elbow;

2. the gauze layer, the adsorption layer and the filter membrane layer are arranged, so that most impurities can be filtered, and the quality of the flowing medium is ensured to reach the standard;

3. through setting up filter screen portion and filter membrane portion for the user can separate the gauze layer and filter membrane layer and wash, ensures the filter effect of filter screen;

4. by arranging the flow guide strips, the turbulent flow phenomenon in the channel is avoided.

Drawings

Fig. 1 is a schematic structural view of a filter elbow according to an embodiment of the present application.

Fig. 2 is a top view of a filter elbow of an embodiment of the present application.

Fig. 3 is a schematic cross-sectional view taken along line A-A in fig. 2.

Fig. 4 is an enlarged schematic view at B in fig. 3.

Fig. 5 is an enlarged schematic view at C in fig. 3.

Reference numerals illustrate: 1. an elbow body; 11. an inlet; 12. an outlet; 13. a channel; 131. a clamping groove; 132. a flow guiding strip; 1321. reinforcing strips; 1322. an arc-shaped groove; 14. a positioning groove; 2. a filtering device; 3. a filter screen; 31. a gauze layer; 32. an adsorption layer; 33. a filter membrane layer; 4. a connection assembly; 41. a connecting ring; 411. a sealing gasket; 412. a positioning block; 42. a fixed cylinder; 421. a fixing groove; 422. a filter screen part; 423. a filter membrane section; 424. a diversion inclined plane; 43. a spring; 44. a fixed block; 441. a mounting inclined plane; 442. disassembling the inclined plane; 443. and (3) an abrasion-proof pad.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a filter elbow.

Referring to fig. 1, a filter elbow includes an elbow body 1 and a filter device 2 detachably connected to the elbow body 1. The elbow body 1 comprises an inlet 11, an outlet 12 and a channel 13 for communicating the inlet 11 and the outlet 12, wherein the inlet 11 and the outlet 12 are respectively arranged at two ends of the elbow body 1, and the filtering device 2 is positioned at the inlet 11. The medium enters from the inlet 11, passes through the filtering device 2, filters most of impurities, enters the channel 13, and finally flows into the next pipeline from the outlet 12.

Referring to fig. 2 and 3, the filtering device 2 includes a connection assembly 4 and a filter screen 3, wherein the connection assembly 4 includes a fixed cylinder 42 sleeved outside the filter screen 3, a connection ring 41 fixedly connected to one end of the fixed cylinder 42 near the inlet 11, a spring 43 fixedly connected to one side of the fixed cylinder 42 away from the filter screen 3, and a fixed block 44 fixedly connected to one end of the spring 43 away from the fixed cylinder 42. One side of the fixed cylinder 42 far away from the filter screen 3 is abutted against the inner wall of the channel 13, the inner wall of the channel 13 is provided with a clamping groove 131 corresponding to the fixed block 44, one section of the elbow body 1 close to the inlet 11 is provided with a positioning groove 14 corresponding to the clamping groove 131, the outer diameter of the connecting ring 41 is larger than the diameter of the channel 13 and is fixedly connected with a positioning block 412 corresponding to the fixed groove 421, and the positioning block 412 can be clamped into the positioning groove 14. When the filter device 2 is installed, one end of the fixed cylinder 42, which is far away from the connecting ring 41, is aligned with the inlet 11, and the fixed block 44 is contacted with the inner wall of the channel 13 and is extruded, so that the spring 43 is in a compressed state, when the fixed cylinder 42 is pushed to the position block 412 to be clamped into the positioning groove 14, the fixed block 44 is opposite to the clamping groove 131, and the spring 43 is reset to push the fixed block 44 into the clamping groove 131 for fixing.

Referring to fig. 3, the fixed cylinder 42 includes a screen portion 422 fixedly connected to the connection ring 41 and a filter portion 423 screw-connected to the screen portion 422. The filter screen 3 includes a gauze layer 31, an adsorption layer 32 and a filter membrane layer 33, wherein the gauze layer 31 and the adsorption layer 32 are fixedly connected to the inner side of the filter screen portion 422, and the filter membrane layer 33 is fixedly connected to the inner side of the filter membrane portion 423. After the user removes the filter device 2, the screen portion 422 and the filter membrane portion 423 can be separated, and the gauze layer 31 and the filter membrane layer 33 can be cleaned separately. In this embodiment, the adsorption layer 32 is an activated carbon layer.

Referring to fig. 3 and 4, a diversion inclined plane 424 is disposed at one end of the fixed cylinder 42 far away from the connection ring 41, so that the medium can flow along the diversion inclined plane 424 after passing through the filter membrane layer 33, and no dead angle is ensured in the channel 13, thereby avoiding bacteria breeding at the dead angle and medium pollution. One end of the connecting ring 41 far away from the fixed cylinder 42 is fixedly connected with a sealing gasket 411, so that the tightness of the joint of the elbow body 1 provided with the filtering device 2 and other pipelines is ensured, and the medium is prevented from leaking or leaking.

Referring to fig. 3 and 4, an installation inclined surface 441 is disposed at one end of the fixing block 44 away from the connection ring 41, and a disassembly inclined surface 442 is disposed at the other end, when the fixing block is installed, the installation inclined surface 441 is firstly abutted against the inner wall of the channel 13, so that the fixing block 44 is more smoothly extruded and enters the channel 13; when the fixing block is detached, the detachment inclined surface 442 is firstly abutted against the inner wall of the clamping groove 131, so that the fixing block 44 is more smoothly separated from the clamping groove 131, and is further extruded by the inner wall of the channel 13. The installation inclined plane 441 and the disassembly inclined plane 442 are fixedly connected with the anti-abrasion pad 443, so that abrasion caused by extrusion of the inner wall of the channel 13 and the fixed block 44 can be prevented, and the service life is prolonged.

Referring to fig. 3 and 5, a guide bar 132 is fixedly connected to the inner wall of the channel 13, and the guide bar 132 is spiral and has an arc groove 1322 formed on a side facing the inlet 11. After entering the channel 13 through the inlet 11, the medium abuts against the inner bottom wall of the arc-shaped groove 1322 and flows along the guide strip 132, so that turbulence is avoided. The guide strip 132 is fixedly connected with the reinforcing strip 1321 at one side far away from the inlet 11, so that the structural strength of the guide strip 132 can be increased, and the guide strip 132 is prevented from being askew by a medium, so that the guide effect of the guide strip 132 is ensured, and the service life of the guide strip 132 is prolonged.

The implementation principle of the filter elbow in the embodiment of the application is as follows: when the connecting ring 41 is mounted, the positioning block 412 is aligned with the positioning groove 14, the fixed cylinder 42 is pushed into the channel 13 from the inlet 11, the fixed block 44 is pressed by the inner wall of the channel 13 to compress the spring 43, when the connecting ring 41 is abutted with the elbow body 1 and the positioning block 412 is clamped into the positioning groove 14, the fixed block 44 is opposite to the clamping groove 131, and the spring 43 is reset to push the fixed block 44 into the clamping groove 131;

when the device works, a medium enters the channel 13 from the inlet 11, sequentially passes through the gauze layer 31, the adsorption layer 32 and the filter membrane layer 33, filters most impurities, passes through the guide strip 132 and finally flows into the next pipeline from the outlet 12;

when the filter device 2 is detached, the previous pipeline is separated from the elbow body 1, the connecting ring 41 is held to move towards one end far away from the elbow body 1, and then the filter screen part 422 and the filter membrane part 423 are separated to separate the gauze layer 31 and the filter membrane layer 33.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a filter elbow, includes elbow body (1) and filter equipment (2), elbow body (1) is including import (11), export (12) and passageway (13), import (11) are located the both ends of elbow body (1) respectively with export (12), passageway (13) intercommunication import (11) and export (12), filter equipment (2) set up in elbow body (1) are close to import (11) department, its characterized in that: the filter device is characterized in that the filter device (2) comprises a filter screen (3) and a connecting component (4) sleeved outside the filter screen (3), the connecting component (4) comprises a connecting ring (41), a fixing barrel (42), a spring (43) and a fixing block (44), the fixing barrel (42) is in butt joint with the inner wall of the channel (13), the connecting ring (41) is fixedly connected with the fixing barrel (42) and is close to one end of the inlet (11) and the outer diameter is larger than the diameter of the inlet (11), a fixing groove (421) for placing and sliding the fixing block (44) is formed in the fixing barrel (42), one end of the spring (43) is fixedly connected with the inner bottom of the fixing groove (421), the other end of the spring is fixedly connected with the fixing block (44), and a clamping groove (131) for clamping the fixing block (44) is formed in the inner wall of the channel (13).

2. A filter elbow according to claim 1, wherein: one end of the fixed block (44) far away from the connecting ring (41) is provided with an installation inclined plane (441), and one end of the fixed block (44) close to the connecting ring (41) is provided with a disassembly inclined plane (442).

3. A filter elbow according to claim 2, wherein: the installation inclined plane (441) and the disassembly inclined plane (442) are fixedly connected with an anti-abrasion pad (443).

4. A filter elbow according to claim 1, wherein: locating grooves (14) are formed in the position, close to the inlet (11), of the elbow body (1) corresponding to the clamping grooves (131), locating blocks (412) corresponding to the fixing grooves (421) are fixedly connected to the connecting ring (41), and the locating blocks (412) can be clamped into the locating grooves (14).

5. A filter elbow according to claim 1, wherein: the filter screen (3) comprises a gauze layer (31), an adsorption layer (32) and a filter membrane layer (33) which are sequentially arranged, and the gauze layer (31) is positioned at one end of the fixed cylinder (42) close to the inlet (11).

6. A filter elbow according to claim 5, wherein: the fixed cylinder (42) comprises a filter screen part (422) and a filter membrane part (423) connected with the filter screen part (422), wherein the inner side of the filter membrane part (423) is connected with the filter membrane layer (33), and the gauze layer (31) and the adsorption layer (32) are connected with the filter screen part (422).

7. A filter elbow according to claim 1, wherein: one end of the connecting ring (41) far away from the fixed cylinder (42) is fixedly connected with a sealing gasket (411).

8. A filter elbow according to claim 1, wherein: one end of the fixed cylinder (42) far away from the connecting ring (41) is provided with a diversion inclined plane (424).

9. A filter elbow according to claim 1, wherein: the inner wall of the channel (13) is fixedly connected with a guide strip (132), one side of the guide strip (132) is fixedly connected with a reinforcing strip (1321), and the other side of the guide strip is provided with an arc-shaped groove (1322).