CN219630724U - Direct-connection online filter - Google Patents
Direct-connection online filter Download PDFInfo
- Publication number
- CN219630724U CN219630724U CN202320696304.0U CN202320696304U CN219630724U CN 219630724 U CN219630724 U CN 219630724U CN 202320696304 U CN202320696304 U CN 202320696304U CN 219630724 U CN219630724 U CN 219630724U
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- China
- Prior art keywords
- plug
- hole
- filter
- threaded column
- boss
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- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 abstract description 5
- 239000008187 granular material Substances 0.000 abstract 2
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The utility model discloses a direct-connection online filter, which relates to the technical field of filtration and comprises a cylindrical small Kong Xianguan, a boss, a threaded column, a connecting body with a hexagonal section, a plug-in end and a connecting end, wherein the small Kong Xianguan, the boss, the threaded column, the connecting body and the plug-in end are sequentially connected together from left to right; the outside pipeline is in the same place with the connection of internal thread hole II, and outside pipeline gets into liquid and filters through flowing into the filter plate through the hole, then in the liquid after the filtration flows out required equipment through tiny round hole, separates out liquid through the filtration net, both can effectually prevent that the granule from getting into the system, can guarantee sufficient liquid flow again, in the use, along with the wearing and tearing of plunger seal, the tiny particle that falls can get into equipment along the pipeline, causes equipment harm, and then causes external pollution, the online filter adopts the filter to receive liquid effectually, long service life, both can effectually prevent the granule to get into the system, can guarantee sufficient liquid flow again.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a direct-connection online filter.
Background
In the use of high performance liquid chromatography, along with the abrasion of the plunger seal, small particles falling down can enter a sample injection valve along a pipeline to cause the damage of the injection valve, thereby causing the pollution of a chromatographic column. The sieve plate in the online filter plays a great role in intercepting impurities in the mobile phase and protecting a liquid phase system. Contamination of the column inlet cartridge can lead to increased backpressure and reduced column efficiency. Plugging of the micro-diameter column is a serious problem because of the small aperture of the inlet screen plate. In order to avoid blockage, the utility model provides a multi-station chromatographic column and column sieve plate detacher.
Disclosure of Invention
The utility model provides a direct-connection online filter, which solves the problems of high maintenance and stable performance reduction of modes such as adsorption and filtration in the background technology, and aims to solve the problems in the prior art.
In order to solve the problems, the utility model provides the following technical scheme:
the direct connection on-line filter comprises a small cylindrical Kong Xianguan, a boss, a threaded column, a connecting body with a hexagonal section, a plug-in end and a connecting end,
the small Kong Xianguan, the boss, the threaded column, the connector and the plug-in end are sequentially connected together from left to right;
the small Kong Xianguan in a cylindrical shape is fixed on the end face of the spool base, the boss is fixed on the end face of the other side of the threaded column, and the threaded column connector is integrally pressed and combined with the plug-in end;
the diameter of the small hole line pipe is smaller than that of the end face of the boss, and the side face of the boss is a smooth and inclined shaft face;
the side surface of the threaded column is provided with a plurality of threads, the threaded column and the connecting body are integrated, and the threaded column and the connecting body are provided with arc surfaces;
the inside of the connecting body is provided with a moving groove which is used for the connecting body to slide up and down along the moving cylinder and limit by the outer bulge at the top of the moving cylinder,
the top of the plug-in end is provided with a movable cylinder with a small-hole spool, the top of the cylinder is provided with a step,
the step of the plug-in end is provided with an inclined chamfer,
flat cutting edges are symmetrically arranged on two side edges of the plug-in end, the first bevel edge is cut to the middle position of the plug-in end, a chamfer is arranged at the bottom of the flat cutting edge, and a plurality of quadrilateral rhombus bodies are arranged from the middle to the bottom of the plug-in end;
an internal thread hole is arranged at the center of the bottom surface of the plug-in end,
further, the top of link is provided with the external screw thread post, grafting end and link pass through internal thread hole and external screw thread post threaded connection together, the second flat cutting limit has been seted up to the both sides face symmetry of link, is provided with a plurality of quadrangles rhombus second between two second flat cutting limit, the ground central point of link puts and is provided with internal thread hole second.
Further, the inside of aperture spool is provided with the round hole that runs through for through liquid, the inside of grafting end still is provided with the ring, the central authorities of ring are provided with the filter piece.
Further, a through hole is formed in the outer thread column of the connecting end, and the through hole is aligned with the filter disc after the connecting end and the inserting end are connected.
Further, the other side of the internal thread of the plug-in end is also provided with a spool base fixed with the small-hole spool, and the center of the spool base is provided with a connecting hole.
The utility model has the beneficial effects that: the utility model provides the direct-connection online filter, the external pipeline is connected with the internal thread hole II, liquid entering the external pipeline flows into the filter disc through the through hole, then the liquid is filtered through the filter mesh of the filter disc, the filtered liquid flows out to required equipment through the tiny round hole, and the liquid is separated out through the filter mesh, so that particles can be effectively prevented from entering the system, enough liquid flow can be ensured, and in use, along with the abrasion of the plunger seal, the falling small particles can enter the equipment along the pipeline, the equipment damage is caused, the external pollution is further caused, the online filter has good liquid receiving effect by adopting the filter plate, and long service life, the particles can be effectively prevented from entering the system, and the enough liquid flow can be ensured.
Drawings
FIG. 1 is a front view of a direct inline filter according to one embodiment of the present utility model;
FIG. 2 is a perspective view of a direct inline filter according to one embodiment of the present utility model;
FIG. 3 is a top view of a direct in-line filter according to one embodiment of the present utility model;
FIG. 4 is a cross-sectional view of one embodiment of the present utility model depicted in direct line filter A-A;
FIG. 5 is a perspective view of a direct inline filter according to one embodiment of the present utility model;
reference numerals: 1-small hole line pipe, 2-boss, 3-screw thread post, 4-connector, 5-grafting end, 6-connector, 7-axial plane, 8-screw thread, 9-arc surface, 10-chamfer, 11-flat cutting edge, 12-chamfer, 13-rhombus, 14-internal thread hole, 15-external screw thread post, 16-second flat cutting edge, 17-rhombus two, 18-internal thread hole, 19-round hole, 20-ring, 21-filter disc, 22-through hole, 23-connecting hole, 24-line pipe base, 25-movable groove, 26-movable cylinder, 27-external bulge.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 5, an embodiment of the direct on-line filter provided by the present utility model is illustrated.
Embodiment one:
the direct-connection online filter comprises a cylindrical small-hole wire tube 1, a boss 2, a threaded column 3, a connecting body 4 with a hexagonal section, a plug-in end 5 and a connecting end 6, wherein the small-hole wire tube 1, the boss 2, the threaded column 3, the connecting body 4 and the plug-in end 5 are sequentially connected together from left to right; the cylindrical small-hole line tube 1 is fixed on the end face of the line tube base 24, the boss 2 is fixed on the end face of the other side of the threaded column 3, and the threaded column 3 and the connecting body 4 are integrally pressed and combined together with the plug-in end; the diameter of the small-hole line pipe 1 is smaller than the diameter of the end face of the boss 2, and the side face of the boss 2 is a smooth and inclined shaft face 7; the side surface of the threaded column 3 is provided with a plurality of threads 8, the threaded column 3 and the connecting body 4 are integrated, and the threaded column 3 and the connecting body 4 are provided with arc surfaces 9; the inside of the connector 4 is provided with a movable groove 25 for the connector 4 to slide up and down along the movable cylinder 26, the movable cylinder 26 with a small hole spool 1 is arranged at the top of the plug-in end 5, the top of the cylinder is provided with a step, the step of the plug-in end 5 is provided with an inclined chamfer, two sides of the plug-in end 5 are symmetrically provided with flat cutting edges 11, the first cut bevel edge is cut to the middle position of the plug-in end 5, the bottom of the flat cutting edge 11 is provided with a chamfer, and the middle to the bottom of the plug-in end 5 is provided with a plurality of quadrangular rhombuses 13; the bottom surface central point of grafting end 5 puts and has seted up the internal thread hole, the top of link 6 is provided with external screw thread post 15, grafting end 5 and link 6 are in the same place through internal thread hole and external screw thread post 15 screw thread 8, the second flat cutting edge 16 has been seted up to the both sides face symmetry of link 6, is provided with a plurality of quadrangles rhombus second 17 between two second flat cutting edges 16, the ground central point of link 6 is provided with internal thread hole second.
The inside of aperture spool 1 is provided with the round hole 19 that runs through for through liquid, the inside of grafting end 5 still is provided with ring 20, the central authorities of ring 20 are provided with filter 21.
The external screw post 15 of the connection end 6 is provided with a through hole 22 penetrating through, and the through hole 22 is aligned with the filter 21 after the connection end 6 is connected with the plug end 5.
The other side of the internal thread 8 in the plug-in end 5 is also provided with a conduit base 24 fixed with the small-hole conduit 1, and the center of the conduit base 24 is provided with a connecting hole 23.
Working principle:
the utility model provides a direct-connection online filter, an external pipeline is connected with an internal threaded hole II, liquid entering the external pipeline flows into a filter disc 21 through a through hole, then the liquid is filtered through a filter grid of the filter disc 21, the filtered liquid flows out into required equipment through a small round hole 19, and the liquid is separated out through the filter grid, so that particles can be effectively prevented from entering a system, and enough liquid flow can be ensured.
In an embodiment, the on-line filter is arranged between the outlet of the pump and the sample injection valve and is used for filtering fine particles passing through, the fallen small particles can enter equipment along a pipeline to cause equipment damage and further cause external pollution, the on-line filter adopts the filter plate and the filter grid to receive liquid, the on-line filter has good effect and long service life, and the on-line filter can not only effectively prevent the particles from entering the system, but also ensure enough liquid flow.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The direct connection on-line filter is characterized by comprising a small cylindrical Kong Xianguan, a boss, a threaded column, a connecting body with a hexagonal section, a plug-in end and a connecting end,
the small Kong Xianguan, the boss, the threaded column, the connector and the plug-in end are sequentially connected together from left to right;
the small Kong Xianguan in a cylindrical shape is fixed on the end face of the spool base, the boss is fixed on the end face of the other side of the threaded column, and the threaded column connector is integrally pressed and combined with the plug-in end;
the diameter of the small hole line pipe is smaller than that of the end face of the boss, and the side face of the boss is a smooth and inclined shaft face;
the side surface of the threaded column is provided with a plurality of threads, the threaded column and the connecting body are integrated, and the threaded column and the connecting body are provided with arc surfaces;
the inside of the connecting body is provided with a moving groove which is used for the connecting body to slide up and down along the moving cylinder and limit by the outer bulge at the top of the moving cylinder,
the top of the plug-in end is provided with a movable cylinder with a small-hole spool, the top of the cylinder is provided with a step,
the step of the plug-in end is provided with an inclined chamfer,
flat cutting edges are symmetrically arranged on two side edges of the plug-in end, the first bevel edge is cut to the middle position of the plug-in end, a chamfer is arranged at the bottom of the flat cutting edge, and a plurality of quadrilateral rhombus bodies are arranged from the middle to the bottom of the plug-in end;
an internal thread hole is arranged at the center of the bottom surface of the plug-in end,
the top of link is provided with the external screw thread post, grafting end and link pass through internal thread hole and external screw thread post threaded connection together, the both sides face symmetry of link has seted up the flat cutting limit of second, is provided with the rhombus second of a plurality of quadrilaterals between two flat cutting limits, the ground central point of link puts and is provided with internal thread hole second.
2. The direct connection online filter according to claim 1, wherein a through round hole is formed in the small hole line pipe for passing liquid, a circular ring is further arranged in the plug-in end, and a filter disc is arranged in the center of the circular ring.
3. The direct connection in-line filter of claim 1, wherein the externally threaded post of the connection end is internally provided with a through-hole therethrough that aligns with the filter sheet after the connection end is connected to the plug end.
4. The direct connection online filter according to claim 1, wherein the other side of the internal thread of the plug-in end is further provided with a conduit base fixed with the small-hole conduit, and a connecting hole is formed in the center of the conduit base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320696304.0U CN219630724U (en) | 2023-04-03 | 2023-04-03 | Direct-connection online filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320696304.0U CN219630724U (en) | 2023-04-03 | 2023-04-03 | Direct-connection online filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219630724U true CN219630724U (en) | 2023-09-05 |
Family
ID=87806571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320696304.0U Active CN219630724U (en) | 2023-04-03 | 2023-04-03 | Direct-connection online filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219630724U (en) |
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2023
- 2023-04-03 CN CN202320696304.0U patent/CN219630724U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |