CN211836674U

CN211836674U - Filter

Info

Publication number: CN211836674U
Application number: CN201922454945.1U
Authority: CN
Inventors: 陈德和
Original assignee: Universal PCB Equipment Co Ltd
Current assignee: Universal PCB Equipment Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-11-03
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to the technical field of filtration, and provides a filter, which comprises a base, a shell arranged on the base and a filter element arranged in the shell, wherein the filter element is in a cylindrical shape, and the base is provided with a first pipeline communicated with the inner side of the filter element and a second pipeline communicated with a corresponding part of the shell outside the filter element; the filter still including the support frame that supports the filter core and with the fixed filter core of base cooperation keep off the cap, the one end of support frame links to each other with the base, keeps off the cap and can dismantle with the other end of support frame and be connected, the filter core can be dismantled the suit on the support frame. The utility model provides a filter adopts the support frame and keeps off the cap fixed with the filter core, and the position that keeps off the cap can be adjusted according to the length of filter core, keeps off the cap and can cover the tip that closes at the filter core, has reduced the requirement to filter core length and diameter equidimension, can compatible more filter cores.

Description

Filter

Technical Field

The utility model belongs to the technical field of filter, more specifically say, relate to a filter.

Background

In a process of manufacturing a Printed Circuit Board (PCB), a plurality of kinds of liquid medicines are used, and the liquid medicines are generally filtered to remove impurities therein. The existing filter comprises a base and a shell which is detachably mounted on the base, a filter cavity is formed in the shell, the shell and the base are matched to fix a filter element in the filter cavity in a clamping mode, the size of the filter element in the filter needs to be matched with the filter cavity between the shell and the base, and the filter element has high requirements on size and specification, so that the compatibility of the filter element is extremely poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter, including but not limited to the technical problem who solves the compatibility utmost point of filter among the prior art to the filter core.

In order to solve the technical problem, an embodiment of the present invention provides a filter, including a base, a housing installed on the base, and a filter element installed in the housing, wherein the filter element is in a tubular shape, and the base is provided with a first pipeline communicated with an inner side of the filter element and a second pipeline communicated with a corresponding portion of the housing outside the filter element; the filter also comprises a support frame for supporting the filter element and a blocking cap matched and fixed with the base, wherein the filter element is fixed on the blocking cap, one end of the support frame is connected with the base, the blocking cap is detachably connected with the other end of the support frame, and the filter element is detachably sleeved on the support frame.

Optionally, the support frame is cylindrical, and a plurality of through holes are formed in the support frame.

Optionally, one end of the supporting frame, which is far away from the base, is provided with an external thread, and an internal thread matched with the external thread is arranged in the blocking cap.

Optionally, the blocking cap comprises a cap body connected with one end of the support frame and a first flange fixed at one end of the cap body close to the base, a second flange is arranged at the other end of the support frame connected with the base, and two ends of the filter element are detachably connected with the first flange and the second flange respectively.

Optionally, the filter element is a cartridge filter element, one end of the cartridge filter element abuts against the first flange, and the other end of the cartridge filter element abuts against the second flange;

or the filter element is a bag-type filter element, one end of the bag-type filter element is fixed on the first flange, and the other end of the bag-type filter element is fixed on the second flange;

or the filter element is a plate-type filter element, the plate-type filter element is wound to be cylindrical and sleeved on the support frame, one end of the plate-type filter element is abutted to the first flange, and the other end of the plate-type filter element is abutted to the second flange.

Optionally, the edge of the first flange protrudes to the side where the second flange is located, and the edge of the second flange protrudes to the side where the first flange is located.

Optionally, the housing is made of a transparent material.

Optionally, the casing includes barrel and lid, the one end of barrel with the base can be dismantled and be connected, the lid approximately fits the other end of barrel.

Optionally, the base is provided with a connecting rod along the axis direction of the barrel, one end of the connecting rod is inserted into the barrel and connected with the base, the other end of the connecting rod penetrates through the cover body to extend out, and the cover body is externally provided with a fastener in threaded connection with the other end of the connecting rod.

Optionally, the filter comprises a plurality of filter elements, a plurality of support frames respectively supporting the filter elements, and a plurality of retaining caps respectively connected to the support frames; the inner side of each filter element is communicated with the first pipeline, and the corresponding part of the shell at the outer side of each filter element is communicated with the second pipeline.

The utility model provides a filter adopts the support frame and keeps off the cap fixed with the filter core, and the position that keeps off the cap can be adjusted according to the length of filter core, keeps off the cap and can cover the tip that closes at the filter core, has reduced the requirement to filter core length and diameter equidimension, can compatible more filter cores.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a front view of a filter provided by an embodiment of the present invention;

fig. 2 is a top view of a filter according to an embodiment of the present invention;

fig. 3 is a first perspective view of a filter provided by an embodiment of the present invention;

fig. 4 is a second perspective view of a filter according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional structural view of a filter element, a support frame, a stop cap and a second flange according to an embodiment of the present invention;

fig. 6 is a perspective view of a filter according to an embodiment of the present invention without a filter element.

Wherein, in the figures, the respective reference numerals:

11-base, 12-casing, 121-barrel, 122-lid, 13-backup pad, 14-fastener, 15-first pipeline, 16-second pipeline, 17-connecting rod, 21-support frame, 210-through-hole, 22-fender cap, 221-cap, 222-first flange, 23-second flange, 24-filter core.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to 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 those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, fig. 3 and fig. 5, the filter according to the present invention will now be described. The filter comprises a base 11, a shell 12 and a filter element 24, wherein the shell 12 is installed on the base 11, and the filter element 24 is installed in the shell 12. The filter element 24 is cylindrical, the base 11 is provided with a first pipeline 15 and a second pipeline 16, the first pipeline 15 is communicated with the inner side of the filter element 24, and the second pipeline 16 is communicated with the corresponding part of the shell 12 at the outer side of the filter element 24 (please refer to fig. 4). The filter also comprises a support frame 21 and a blocking cap 22, wherein the support frame 21 supports the filter element 24, and the blocking cap 22 is matched with the base 11 to fix the filter element 24. One end of the support frame 21 is connected with the base 11, the blocking cap 22 is detachably connected with the other end of the support frame 21, and the filter element 24 is detachably sleeved on the support frame 21. When the filter element 24 is installed, the filter element 24 is sleeved on the support frame 21, and the two ends of the filter element 24 are fixed through the matching of the blocking cap 22 and the base 11. Therefore, the size of the filter element 24 does not need to correspond to the size of the shell 12 and the base 11, when the retaining cap 22 is connected with the support frame 21, the position of the retaining cap 22 can adapt to the length and the diameter of the filter element 24, the requirements on the size and the model of the filter element 24 are reduced, the filter element 24 with similar length and inner diameter is universal, and the compatibility of the filter with different filter elements 24 is improved.

In one embodiment, referring to fig. 3, 4 and 5, the supporting frame 21 is cylindrical, a plurality of through holes 210 are formed on the supporting frame 21, and the plurality of through holes 210 can allow the liquid medicine to pass through. After the filter element 24 is sleeved on the support frame 21, the liquid medicine can flow from the outer side of the filter element 24 to the inner side of the support frame 21, so that the liquid medicine is filtered, and the liquid medicine can flow between the first pipeline 15 and the second pipeline 16. Therefore, the support frame 21 can support the inner cavity of the filter element 24 to be opened, and the filtering efficiency of the filter element 24 is improved. Meanwhile, the requirement on the strength (stiffness) of the filter element 24 is lowered, the filter element 24 made of flexible materials (such as a bag-type filter element) can be compatible, and the filter element 24 is prevented from being bent and damaged when in use. Of course, the support frame 21 may have other structures as long as it can support the filter element 24 and allow the liquid medicine to pass through.

Optionally, the first conduit 15 is a filter solution outlet and the second conduit 16 is a filter solution inlet. With first pipeline 15 as the export, second pipeline 16 is as the entry, when the liquid medicine passes through the filter, firstly gets into filter element 24 exterior space in the filter chamber, then gets into the inner chamber of filter element 24 (and support frame 21) by the filter element 24 outside, can reduce the impact to filter element 24 when the liquid medicine passes through filter element 24 like this, avoids 24 edge seal failures of filter element. Of course, in other embodiments, the first conduit 15 may be used as the filter outlet and the second conduit 16 may be used as the filter inlet.

Optionally, one end of the support frame 21, which is far away from the base 11, is provided with an external thread, an internal thread matched with the external thread is arranged in the blocking cap 22, the position of the blocking cap 22 on the support frame 21 can be adjusted through the matching of the internal thread and the external thread, the position of the end part of the filter element 24 can be controlled, two ends of the filter element 24 with different lengths are fixed and sealed, and the liquid medicine is prevented from passing through the openings at two ends of the filter element 24.

Optionally, the other end of the supporting frame 21 is in threaded connection with the base 11, so that the connecting position of the base 11 and the other end of the supporting frame 21 can be adjusted to adapt to filter elements 24 with different lengths; meanwhile, the support frame 21 is convenient to detach and mount, and the inside of the filter is convenient to clean and maintain. Of course, in other embodiments, the other end of the supporting frame 21 and the base 11 may also be connected by a snap-fit or fixed connection.

Further, referring to fig. 3 and 5, the blocking cap 22 includes a cap body 221 and a first flange 222, the cap body 221 is connected to an end of the supporting frame 21 away from the base 11, and the first flange 222 is fixed to an end of the cap body 221 close to the base 11. The other end of the support frame 21 connected with the base 11 is provided with a second flange 23, and two ends of the filter element 24 are detachably connected with the first flange 222 and the second flange 23 respectively. The cap body 221 can seal one end of the support frame 21 far away from the base 11, the first flange 222 seals one end of the filter element 24, and the second flange 23 seals the other end of the filter element 24, so that the filter effect of the filter element 24 is prevented from being influenced by liquid leakage at two ends of the filter element 24. When the filter element 24 needs to be detached, the blocking cap 22 can be detached from the support frame 21, and the cap body 221 facilitates the holding of a user, which is beneficial to the detachment and installation of the blocking cap 22. Of course, a closed structure may be adopted at the end of the supporting frame 21 away from the base 11, so that the top of the cap body 221 may also adopt an open structure; the retainer cap 22 may also be provided as a flange structure that is threadedly coupled to the support bracket 21.

Specifically, referring to fig. 5, a protruding ring is disposed on a side of the first flange face 222 facing the second flange 23, and a protruding ring is disposed on a side of the second flange 23 facing the first flange 222, so as to facilitate positioning and sealing of the filter element 24.

Optionally, the filter element 24 is a cartridge filter element, one end of which abuts against the first flange 222 and the other end of which abuts against the second flange 23, so that the two ends of the cartridge filter element can be clamped by the first flange 222 and the second flange 23 to seal the two ends of the filter element 24. Of course, the end of the cartridge filter may be directly abutted against the base 11 without providing the second flange 23.

Optionally, filter element 24 is a bag filter element, one end of which is secured to first flange 222 and the other end of which is secured to second flange 23. Specifically, one end of the bag filter element can be clamped between the base 11 and the second flange 23, so that one end of the bag filter element is fixed; a nut is provided at the other end of the support frame 21, and one end of the bag-type filter element is clamped by the nut and the first flange 222. Therefore, the filter can be compatible with bag type filter elements, and the compatibility of the filter with different types of filter elements 24 is improved. Of course, in other embodiments, other ways of securing the ends of the bag-type filter element may be used. One end or two ends of the bag-type filter element are open, and for the bag-type filter element with one open end, after the bag-type filter element is sleeved on the support frame 21, the open end can be clamped and fixed by the second flange 23 and the base 11, so that the bag-type filter element is expanded by the support frame 21 in a cylindrical shape; for a bag filter with two open ends, the other end of the bag filter is fixed on the first flange 222, and the first flange 222 and the second flange 23 expand the bag filter in a cylindrical shape.

Optionally, the filter element 24 is a plate filter element, which is wound in a cylindrical shape and is fitted over the support frame 21. One end of the cylinder around which the plate-type filter element is wound abuts against the first flange 222, and the other end of the cylinder around which the plate-type filter element is wound abuts against the second flange 23. After the plate-type filter element is wound into a cylinder and sleeved on the support frame 21, the support frame 21 can support the inner side of the cylinder to avoid deformation of the inner side of the cylinder, and two ends of the cylinder are sealed through the first flange 222 and the second flange 23, so that filtering can be performed. Alternatively, other fasteners (such as rope belts, silk threads and the like) can be used for fixing the periphery of the cylinder wound by the plate-type filter element, or a cylinder pipe fitting with a through hole is sleeved outside the cylinder, and the cylinder wound by the plate-type filter element is clamped between the cylinder pipe fitting and the support frame 21, so that the filter element 24 is prevented from moving outwards. This enables compatibility of the filter with the plate cartridge.

Optionally, the casing 12 is made by transparent material, and in the filter use, can see through the situation of casing 12 observation inside filter core 24 and liquid medicine, when the liquid medicine filters, can observe the in service behavior of filter core 24 under the condition of not taking apart the filter, in time discover whether the filter core 24 blocks up the damage, confirm whether the filter core 24 needs to be changed or wash, be convenient for ensure the normal filtration of liquid medicine.

In one embodiment, referring to fig. 1, 3 and 6, the housing 12 includes a cylinder 121 and a cover 122, one end of the cylinder 121 is detachably connected to the base 11, and the cover 122 covers the other end of the cylinder 121. In the process of disassembling and assembling the filter element 24, the cover body 122 or the cylinder body 121 can be disassembled, so that the filter element 24 is convenient to assemble and maintain, and the inside of the filter is convenient to clean and maintain.

Referring to fig. 1, 3 and 6, a connecting rod 17 is disposed on the base 11 along the axial direction of the cylinder 121, one end of the connecting rod 17 is inserted into the cylinder 121 and connected to the base 11, the other end of the connecting rod 17 passes through the cover 122 and extends outward, a fastening member 14 is disposed outside the cover 122, and the fastening member 14 is in threaded connection with the other end of the connecting rod 17. When the cover 122 covers the cylinder 121, the fastener 14 can be connected with the connecting rod 17 to tightly press the cover 122, so that sealing between the cover 122 and the cylinder 121 is guaranteed; after removal of the fasteners 14, the cover 122 may be removed, which may facilitate filter maintenance by removing and installing the filter cartridge 24 without requiring complete removal of the housing 12. Specifically, the fastener 14 may be a nut or a handwheel, a handle, or the like.

Further, a sealing member is disposed between the fastening member 14 and the cover 122, and the sealing member seals a gap between the fastening member 14 and the cover 122, so as to prevent the liquid medicine from flowing out from a through hole of the cover 122 for the connection rod 17 to extend out. Specifically, the sealing member is a rubber ring or a silicone ring, and a corresponding groove may be provided on the surface of the cover 122 to accommodate the sealing member, so as to position the sealing member.

Optionally, the filter includes a plurality of cartridges 24, a plurality of support frames 21, and a plurality of retaining caps 22, each support frame 21 supporting a respective cartridge 24, and each retaining cap 22 being connected to a respective support frame 21. The inside of each filter element 24 communicates with the first conduit 15, and the corresponding portion of the housing 12 outside of each filter element 24 communicates with the second conduit 16. This allows for the installation of multiple cartridges 24 within the filter cavity, which facilitates the improvement of the filtration efficiency of the filter. Specifically, a plurality of filter elements 24 are arrayed on the base 11 centering on the connecting rod 17.

Optionally, the filter further comprises a support plate 13, the base 11 is arranged on the support plate 13, and the support plate 13 can be adapted to the installation requirements of different positions, so that the filter is convenient to install and maintain.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A filter comprises a base, a shell arranged on the base and a filter element arranged in the shell, wherein the filter element is cylindrical, and the base is provided with a first pipeline communicated with the inner side of the filter element and a second pipeline communicated with a corresponding part of the shell, which is positioned at the outer side of the filter element; the method is characterized in that: the filter also comprises a support frame for supporting the filter element and a blocking cap matched and fixed with the base, wherein the filter element is fixed on the blocking cap, one end of the support frame is connected with the base, the blocking cap is detachably connected with the other end of the support frame, and the filter element is detachably sleeved on the support frame.

2. The filter of claim 1, wherein: the support frame is the tube-shape, a plurality of through-holes have been seted up on the support frame.

3. The filter of claim 2, wherein: the support frame is kept away from the one end of base is equipped with the external screw thread, be equipped with in the fender cap with external screw thread complex internal thread.

4. The filter of claim 2, wherein: the stop cap comprises a cap body connected with one end of the support frame and a first flange fixed at one end of the cap body close to the base, a second flange is arranged at the other end of the support frame connected with the base, and two ends of the filter element are detachably connected with the first flange and the second flange respectively.

5. The filter of claim 4, wherein: the filter element is a cylinder type filter element, one end of the cylinder type filter element is abutted against the first flange, and the other end of the cylinder type filter element is abutted against the second flange;

6. The filter of claim 4, wherein: the edge of the first flange protrudes towards one side where the second flange is located, and the edge of the second flange protrudes towards one side where the first flange is located.

7. The filter of claim 1, wherein: the shell is made of transparent materials.

8. The filter of claim 1, wherein: the shell comprises a barrel body and a cover body, one end of the barrel body is detachably connected with the base, and the cover body covers the other end of the barrel body.

9. The filter of claim 8, wherein: the base is provided with a connecting rod along the axis direction of the barrel body, one end of the connecting rod is inserted into the barrel body and connected with the base, the other end of the connecting rod penetrates through the cover body to extend out, and the cover body is externally provided with a fastener in threaded connection with the other end of the connecting rod.

10. A filter according to any one of claims 1 to 9, wherein: the filter comprises a plurality of filter elements, a plurality of support frames for respectively supporting the filter elements and a plurality of retaining caps respectively connected with the support frames; the inner side of each filter element is communicated with the first pipeline, and the corresponding part of the shell at the outer side of each filter element is communicated with the second pipeline.